CN216703236U - Starting device and fire extinguishing apparatus - Google Patents

Abstract

The utility model discloses a starting device and fire extinguishing equipment. The starting device comprises: the device comprises a shell, a valve and a control device, wherein the shell is provided with at least one nozzle; the gas generating device comprises an integrated sealed container and a driving medium sealed in the sealed container, and the sealed container is connected with the shell; the initiating device is positioned outside the gas generating device and comprises a firing pin and an initiator, wherein the firing pin corresponds to the sealed container and is used for puncturing the sealed container so as to enable the driving medium to be sprayed out of the sealed container and form gas; the initiator is coupled to the striker for driving the striker in a direction toward the sealed container to cause the striker to puncture the sealed container. Therefore, the fire extinguishing agent is not required to be stored under pressure, so that the pressure leakage problem of the existing pressure storage type fire extinguishing equipment is fundamentally solved, the maintenance cost of periodical pressurization is saved, the use reliability of the fire extinguishing equipment is improved, and a pressure gauge can be saved.

Description

Starter and fire extinguishing equipment

technical field

The utility model relates to the technical field of fire extinguishing equipment, and more particularly, to a starting device and a fire extinguishing equipment including the starting device.

Background technique

In order to spray the fire extinguishing agent out of the pressure storage type fire extinguishing equipment, it is necessary to fill a certain amount of pressurized gas into the container, and the pressure of the gas generally ranges from 1.2MPa to 20MPa. Since the entire fire extinguishing equipment is composed of many components such as fire extinguishing agent storage container, container valve (bottle head valve), pressure gauge, fire extinguishing agent injection port, signal feedback device, etc., and the pressure storage fire extinguishing equipment is stored under pressure for a long time, the connection of these components is becomes a leak point. Once the fire extinguishing equipment leaks pressure, the fire extinguishing agent cannot be ejected normally. Therefore, storage pressure fire extinguishing equipment needs regular maintenance and pressure charging. If the maintenance is not timely, a fire occurs at this time, especially in public transportation, and the maintenance and charging need to be driven to the station. If the pressure is released while driving, and the fire cannot be extinguished, it will lead to mass deaths and injuries, and the consequences are very serious.

Utility model content

The embodiment of the present utility model provides a start-up device that can be used for fire extinguishing equipment, and has its own gas generating device, so that the fire extinguishing equipment does not need to fill the fire extinguishing agent storage container with pressurized gas, which fundamentally solves the problem of pressure storage fire extinguishing. The leakage pressure problem of the equipment not only reduces the maintenance cost of charging, but also improves the reliability of the fire extinguishing equipment.

In order to achieve the above purpose, an embodiment of the present invention provides a starting device, comprising: a casing, the casing is provided with at least one spout; a gas generating device, comprising an integrated sealed container and sealed in the sealed container the driving medium, the sealed container is connected to the casing; the triggering device is located outside the gas generating device, the triggering device includes a striker and an initiator, the striker is arranged corresponding to the sealed container and is used to stab breaking the sealed container, so that the driving medium sprays out of the sealed container and forms gas; the trigger is matched with the striker, and is used to drive the striker to move in a direction close to the sealed container, so as to The striker is caused to pierce the sealed container.

On the basis of the above technical solutions, the utility model can also be improved as follows.

In an exemplary embodiment, the striker is located in the casing, and defines a sealed cavity with the casing; one end of the initiator is located in the sealed cavity, and is used to make the sealed cavity The air pressure is increased to drive the striker to move in a direction close to the sealed container; the other end of the initiator extends through the casing to the outside of the casing.

In an exemplary embodiment, the initiator includes an electrical initiator, the electrical initiator includes a resistor and a connecting wire connecting the resistor, the resistor is located in the sealed cavity, and the connecting wire passes through The housing extends out of the housing; and/or the initiator includes a thermal initiator.

In an exemplary embodiment, the striker includes: a sliding part, which surrounds the sealing cavity with the casing and is slidably matched with the casing; and a needle-piercing part, which is connected with the sliding part , the acupuncture part is disposed toward the sealed container, and is used for piercing the sealed container.

In an exemplary embodiment, the sliding part includes an end plate and a side shroud; the side shroud is connected to the edge of the end plate, and defines a groove with one end open with the end plate; The casing seals the open end of the groove, and surrounds the sealing cavity with the sliding part; the acupuncture part is connected to the plate surface of the end plate facing away from the side wall.

In an exemplary embodiment, the housing includes a casing and a sealing plug, a first installation cavity is provided in the casing, and at least a part of the sealing plug and the striker are located in the first installation cavity, The sliding part is slidably matched with the housing, and the sealing cavity is defined by the sealing plug and the sliding part.

In an exemplary embodiment, an installation hole and at least one air passage are provided in the casing; the sealed container includes a head and a body, the head is installed in the installation hole, and the head is installed in the installation hole. The gas passage is in communication with the mounting hole, and one end of the gas passage penetrates the casing for conveying the gas formed by the driving medium.

In an exemplary embodiment, the housing includes a casing and a support seat, the casing is provided with a second installation cavity, the support base is installed in the second installation cavity, the installation hole and the The air passage is arranged on the support seat.

In an exemplary embodiment, the support base is further provided with an escape hole, the escape hole is communicated with the installation hole, and a part of the striker is inserted into the escape hole; the cross-section of the escape hole is The area is larger than the cross-sectional area of the installation hole, the air passage passes through both ends of the support seat along the axial direction of the escape hole, and the air passage passes through the air passage along the radial direction of the escape hole. Avoid hole walls.

In an exemplary embodiment, the cross-sectional area of the second installation cavity is larger than the cross-sectional area of the first installation cavity in the housing, so that the first installation cavity and the second installation cavity are formed a stepped hole structure; the end face of the support seat close to the first installation cavity abuts against the end face of the second installation cavity; and the end face of the support seat close to the first installation cavity protrudes out of the first installation cavity The inner side surface of an installation cavity forms a stop surface for stopping the striker.

In an exemplary embodiment, the housing is provided with at least one ejection channel, and the ejection channel communicates with the ejection port; the activation device further includes a sealing valve, which is used to disconnect the The ejection channel is in communication with the ejection port, and the sealing valve is arranged to conduct the ejection channel and the ejection port under the impact of the fluid.

In an exemplary embodiment, the starting device further includes: a siphon pipe, which is fixedly connected with the housing and communicated with the ejection channel.

In an exemplary embodiment, a third installation cavity and an escape cavity communicating with the third installation cavity are further provided in the housing; the sealing valve is installed in the third installation cavity to disconnect the The ejection passage communicates with the spout, and is configured to be able to move into the escape cavity under the impact of the fluid to conduct the ejection passage and the spout.

In an exemplary embodiment, the starting device further includes: an elastic member, which is arranged in the housing and abuts against the sealing valve, and is used for restricting the movement of the sealing valve to the avoidance cavity.

In an exemplary embodiment, the housing includes a sealing cover and a casing, the casing is provided with a fourth installation cavity with two ends open, and one end of the fourth installation cavity is communicated with the third installation cavity, so The sealing cover is used to cover one end of the fourth installation cavity away from the third installation cavity.

In an exemplary embodiment, the sealing cover is provided with a limiting groove, and a part of the elastic member is limited in the limiting groove.

In an exemplary embodiment, the driving medium includes at least one of a gaseous medium, a liquid medium and a solid medium.

The embodiment of the present invention also provides a fire extinguishing equipment, comprising: a fire extinguishing agent storage container, the fire extinguishing agent storage container is filled with fire extinguishing agent; and the starting device according to any one of the above embodiments, the starting device The shell of the fire extinguishing agent is connected with the fire extinguishing agent storage container, the gas generating device of the starting device is used to transport the gas that drives the fire extinguishing agent to spray into the fire extinguishing agent storage container, and the fire extinguishing agent nozzle of the starting device is set to be able to in communication with the fire suppressant storage container.

The starting device and the fire extinguishing equipment provided by the embodiments of the present invention encapsulate the driving medium in an integrated sealed container, and when the fire needs to be extinguished, the sealed container can be opened by the triggering device, so that the driving medium can be ejected from the sealed container and form a driving fire extinguishing The gas ejected by the agent, and then the fire extinguishing agent is ejected under the action of pressure to extinguish the fire. In this way, the fire extinguishing agent does not need to be stored under pressure, thus fundamentally solving the leakage pressure problem of the existing pressure storage type fire extinguishing equipment, not only saving the maintenance cost of regular pressurization, but also improving the reliability of the fire extinguishing equipment. The pressure gauge can also be omitted.

The airtight container of the gas generating device has an integrated structure, which is a sealed whole and a complete part. The drive medium can be stably sealed in a sealed container without leakage.

In addition, in the existing non-pressure storage fire extinguishing equipment, the triggering device is placed inside the gas generating device, and the gas generating device is caused to eject gas by means of an electric initiator or a thermal initiator. Since the gas generating device is a pyrotechnic product, It cannot be used for gas fire extinguishing equipment, so it can only be used for dry powder fire extinguishing equipment. However, in the starting device provided in this solution, the triggering device is placed outside the gas generating device, and the gas generating device is caused to generate gas by opening the sealed container to release the pressure of the sealed container. It is suitable for dry powder fire-extinguishing devices, as well as gas fire-extinguishing devices and liquid fire-extinguishing devices, which greatly expands the scope of non-pressure storage fire-extinguishing equipment and solves the pressure relief problem that has existed in the field of storage-pressure fire-extinguishing equipment for many years.

In addition, compared with the existing non-pressurized dry powder fire extinguishing equipment, the use of the starting device of this solution can avoid the occurrence of dry powder explosion caused by improper ignition, and at the same time reduce the risks in the transportation, storage and use of pyrotechnics, thereby It avoids the potential safety hazard caused by the explosion of the fire extinguishing equipment itself, and at the same time reduces the risk of pyrotechnics management. Compared with the existing pressure-storage gas fire-extinguishing equipment, by using the starting device of this solution, the pressure-storage gas fire-extinguishing equipment can be turned into a non-pressure-storage gas fire-extinguishing equipment, which fundamentally solves the pressure leakage problem of the gas fire-extinguishing equipment. , and improve the fire extinguishing reliability of gas fire extinguishing equipment.

Other features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the present invention may be realized and attained by the structure particularly pointed out in the description and appended drawings.

Description of drawings

The accompanying drawings are used to provide a further understanding of the technical solutions of the present invention, and constitute a part of the description. They are used to explain the technical solutions of the present invention together with the embodiments of the present application, and do not limit the technical solutions of the present invention.

1 is a schematic structural diagram of a starting device provided by an embodiment of the present invention;

Fig. 2 is the structural representation of the gas producing device in Fig. 1;

FIG. 3 is a schematic structural diagram of a fire extinguishing device provided by an embodiment of the present invention.

The reference numbers in Figures 1 to 3 are as follows:

100 starter;

1 housing, 11 housing, 111 first installation cavity, 1111 sealing cavity, 112 second installation cavity, 113 third installation cavity, 114 fourth installation cavity, 115 spout, 116 ejection channel, 117 escape cavity, 12 sealing plug , 13 support seat, 131 mounting hole, 132 air passage, 133 escape hole, 134 stop surface, 14 sealing cover, 141 limit groove;

2 gas generating device, 21 sealed container, 211 head, 212 body, 22 driving medium;

3 Initiating device, 31 striker, 311 sliding part, 3111 end plate, 3112 side wall, 3113 sealing groove, 312 acupuncture part, 3121 transition channel, 32 initiator, 321 resistor, 322 connecting wire;

4 sealing valve, 41 limit boss, 42 limit groove;

5 siphon;

6 elastic parts;

200 fire extinguishing equipment, 210 fire extinguishing agent storage container, 220 fire extinguishing agent.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present utility model more clearly understood, the embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be noted that, the embodiments in the present application and the features in the embodiments may be arbitrarily combined with each other if there is no conflict.

As shown in FIG. 1 , an embodiment of the present invention provides a starting device 100 . The starting device 100 includes: a casing 1 , a gas producing device 2 and an initiating device 3 .

Specifically, the housing 1 is provided with at least one spout 115 . The gas generating device 2 includes an integrated sealed container 21 and a driving medium 22 sealed in the sealed container 21 . The sealed container 21 is connected to the housing 1 . The initiating device 3 is located outside the gas producing device 2 . The initiation device 3 includes a striker 31 and an initiator 32 . The striker 31 is disposed corresponding to the sealed container 21 and is used to pierce the sealed container 21 so that the driving medium 22 is ejected from the sealed container 21 to form gas. The trigger 32 cooperates with the striker 31 to drive the striker 31 to move in a direction close to the sealed container 21 , so that the striker 31 pierces the sealed container 21 .

The starting device 100 provided by the embodiment of the present invention encapsulates the driving medium 22 in the integrated sealed container 21, and can open the sealed container 21 through the initiation device 3 when the fire needs to be extinguished, so that the driving medium 22 can be ejected from the sealed container 21. And form the gas that can drive the fire extinguishing agent 220 to spray out, the gas can enter the fire extinguishing agent storage container 210 to rapidly pressurize the fire extinguishing agent storage container 210, and then make the fire extinguishing agent 220 spray out under the action of pressure to extinguish the fire. In this way, the fire-extinguishing agent 220 does not need to be stored under pressure, thus fundamentally solving the leakage pressure problem of the existing pressure-storage fire-extinguishing equipment, not only saving the maintenance cost of regular pressurization, but also improving the reliability of the fire-extinguishing equipment 200 .

Specifically, the starting device 100 includes a housing 1 , a gas producing device 2 and an initiating device 3 . The housing 1 is provided with at least one nozzle 115 , and the nozzle 115 is configured to communicate with the fire extinguishing agent storage container 210 , so that the fire extinguishing agent 220 in the fire extinguishing agent storage container 210 can be ejected at least through the nozzle 115 of the activation device 100 . The number of the nozzles 115 may be one or multiple, and multiple nozzles 115 are beneficial to improve the fire extinguishing efficiency.

The gas generating device 2 is a non-inflammable product, and specifically includes a sealed container 21 and a driving medium 22 . The sealed container 21 is an integral structure, and the driving medium 22 is stored in the sealed container 21. When a fire needs to be extinguished, the sealing container 21 can be opened by the triggering device 3, and the pressure is quickly released when the sealing container 21 is opened, so that the driving medium 22 is ejected in the form of gas, thereby rapidly increasing the pressure in the fire extinguishing agent storage container 210. , driving the fire extinguishing agent 220 to spray out the fire.

In this way, the fire extinguishing agent 220 does not need to be stored under pressure, and only needs to be quickly pressurized by the gas generating device 2 to be sprayed during use, thereby solving the problem that the fire extinguishing equipment 200 cannot be normally sprayed due to leakage of pressure in the existing pressure-storing fire-extinguishing equipment. The problem of fire extinguishing agent 220 also saves the maintenance cost of regular pressurization, and also saves the pressure gauge.

The airtight container 21 of the gas generator 2 has an integrated structure, is a sealed whole, and is a complete component without sealing rings, sealants, sealing covers, sealing bolts and other structures, and can be stored independently, as shown in Figure 2 Therefore, there is no leakage pressure problem, and the driving medium 22 can be stably sealed in the sealed container 21 without leakage. The shape of the sealed container 21 is not limited, for example, the cross-section of the sealed container 21 may be circular, oval, rectangular, square, triangular, or the like. The sealed container 21 may be a metal container.

Among them, the gas ejected by the gas generating device 2 may be more or less, and the ejection time may be long or short, which may be selected reasonably according to the amount of the driving medium 22 .

In addition, in the existing non-pressure storage fire extinguishing equipment, the triggering device 3 is placed inside the gas generating device 2, and the gas generating device 2 is caused to eject gas by electrical or thermal triggering. Since the gas-generating device used in the existing non-pressure storage fire-extinguishing equipment is a pyrotechnic product, a high temperature of hundreds of degrees Celsius is instantly generated when the initiating device triggers the gas-generating device. The gas will explode when it encounters high temperature, so it cannot be used for gas fire extinguishing equipment, but only for dry powder fire extinguishing equipment. On the other hand, in the starting device 100 provided in this solution, the initiating device 3 is placed outside the gas generating device 2, and the gas generating device 2 is a non-inflammatory product. 2. Gas is produced, so it can be applied not only to dry powder fire extinguishing devices, but also to gas fire extinguishing devices and liquid fire extinguishing devices, thus greatly expanding the scope of non-pressure storage fire extinguishing equipment, and solving the problem of the existence of pressure storage fire extinguishing equipment for many years. pressure relief problem.

In addition, compared with the existing non-pressurized dry powder fire extinguishing equipment, using the starting device 100 of this solution can avoid the dry powder explosion caused by improper ignition, thereby avoiding the potential safety hazard caused by the fire extinguishing equipment 200 self-exploding. Compared with the existing pressure storage type gas fire extinguishing equipment, by using the starting device 100 of the present solution, the pressure storage type gas fire extinguishing equipment can be changed into a non-pressure storage type gas fire extinguishing equipment, which fundamentally solves the leakage pressure of the gas fire extinguishing equipment. problem, and improve the fire extinguishing reliability of gas fire extinguishing equipment.

Of course, the starting device provided by the embodiment of the present invention can not only be used for fire extinguishing equipment, but also can be widely used in pressurized equipment (with pressurized containers) in various fields of the national economy such as energy, transportation, metallurgy, electric power, and communication. , which can transform the existing pressure equipment into non-pressure storage equipment, so as to solve the pressure relief problem that has plagued the industry for many years, and provide an effective guarantee for the protection of national property and the safety of the people.

When the starting device 100 is used for other equipment, correspondingly, the spout 115 is used to spray the substance in the container of other equipment, and the driving medium 22 in the gas generating device 2 is sprayed out of the sealed container 21 and forms a driving medium 22 for driving the other equipment container. Gas emitted from a substance.

As shown in FIG. 1 , the initiation device 3 includes a striker 31 and an initiator 32 . The initiator 32 is used to drive the striker 31 to move. The striker 31 can quickly pierce the sealed container 21 by using the tip part without generating sparks, which is safe to use and has high opening efficiency.

Of course, the initiating device 3 is not limited to the above solution. For example, the initiation device may also include a cutter and a motor, and the motor drives the cutter to move, so that the cutter cuts the sealed container, so that the sealed container is opened; or, the initiation device may also include a small electric drill, and the sealed container is opened by the electric drill.

In an exemplary embodiment, as shown in FIG. 1 , the striker 31 is located in the housing 1 , and defines a sealed cavity 1111 with the housing 1 . One end of the initiator 32 is located in the sealed cavity 1111 , and is used to increase the air pressure of the sealed cavity 1111 to drive the striker 31 to move toward the direction close to the sealed container 21 . The other end of the initiator 32 extends through the housing 1 to the outside of the housing 1 .

In this embodiment, the initiator 32 is specifically used to increase the air pressure of the sealed cavity 1111, and then use the increased air pressure to drive the striker 31 to move, which is a clever idea.

In one illustrative embodiment, initiator 32 comprises an electrical initiator. As shown in FIG. 1 , the electrical initiator includes a resistor 321 and a connecting wire 322 connected to the resistor 321 , the resistor 321 is located in the sealed cavity 1111 , and the connecting wire 322 extends through the casing 1 to the outside of the casing 1 .

In another illustrative embodiment (not shown), initiator 32 comprises a thermal initiator.

In yet another exemplary embodiment (not shown in the figures), the initiator 32 includes both the above-mentioned electrical initiator and the above-mentioned thermal initiator.

The initiator 32 can be an electric initiator. By connecting to a power source, the resistor 321 generates heat, which increases the air pressure of the sealed cavity 1111 , thereby causing the striker 31 to move to open the sealed container 21 . Among them, the electric initiator has three indicators: starting current, safe current and resistance value. These three indicators satisfy the following relationship: the safe current is less than the starting current, and within the safe current index, the resistor 321 must not heat up when energized for five minutes; when the current reaches or exceeds the starting current, the resistor 321 heats up; the smaller the resistance value, the greater the current, Conversely, the larger the resistance value, the smaller the current; the safety current, starting current and resistance value can be set as required.

The initiator 32 can also be a thermal initiator. The thermal initiator includes a heat-sensitive element, which is more sensitive to the outside temperature. When a fire occurs, the heat-sensitive element can sense the increase of the outside temperature and generate heat, so that the air pressure of the sealed cavity 1111 increases, Then, the movement of the striker 31 is automatically triggered to open the sealed container 21 .

Of course, the initiator 32 may also include both an electric initiator and a thermal initiator, so that the fire extinguishing device can be activated manually or automatically, which effectively prevents the risk of the fire extinguishing device from being unable to be activated.

In an exemplary embodiment, as shown in FIG. 1 , the striker 31 includes: a sliding part 311 and a needling part 312 . The sliding portion 311 and the casing 1 define a sealing cavity 1111 , and are slidably matched with the casing 1 . The acupuncture part 312 is connected with the sliding part 311 , and the acupuncture part 312 is disposed toward the sealed container 21 for piercing the sealed container 21 .

The striker 31 includes a sliding portion 311 and a needle-piercing portion 312 , and the sliding portion 311 is slidably matched with the housing 1 to ensure that the striker 31 can smoothly move relative to the housing 1 . The acupuncture portion 312 is disposed correspondingly to the sealed container 21 , and is used for realizing the puncturing function of the striker 31 .

The outer side wall of the sliding portion 311 may adopt a cylindrical structure, so that there are no edges, corners and other structures between the sliding portion 311 and the housing 1, which is beneficial to reduce the probability of jamming between the striker 31 and the housing 1, thereby improving the The reliability of use of the device 100 is activated. The needling portion 312 may comprise a conical structure with both higher strength and a sharper point.

In an exemplary embodiment, as shown in FIG. 1 , the sliding portion 311 includes an end plate 3111 and a side wall 3112 . The side enclosure plate 3112 is connected with the edge of the end plate 3111 , and defines a groove with one end open with the end plate 3111 . The casing 1 seals the open end of the groove, and forms a sealing cavity 1111 with the sliding part 311 . The needle-punched portion 312 is connected to the surface of the end plate 3111 facing away from the side wall 3112 .

In this solution, the sliding part 311 adopts a hollow structure, and the sealing cavity 1111 is surrounded by the sliding part 311 and the casing 1 , which is beneficial to reduce the volume of the sealing cavity 1111 and improve the air pressure rising speed of the sealing cavity 1111 on the one hand. On the other hand, it is also beneficial to reduce the mass of the striker 31, thereby helping to reduce the air pressure value that pushes the striker 31 to move, thereby increasing the triggering speed of the triggering device 3.

Further, the end plate 3111, the side wall 3112 and the acupuncture portion 312 are of a one-piece structure, that is, the striker 31 is integrally formed, so that the striker 31 has high strength and is beneficial to improve assembly efficiency.

In an illustrative embodiment, as shown in FIG. 1 , the housing 1 includes a housing 11 and a sealing plug 12 . A first installation cavity 111 is provided in the housing 11 . At least a portion of the sealing plug 12 and the striker 31 are located in the first installation cavity 111 . The sliding portion 311 is slidably engaged with the housing 11 . A sealing cavity 1111 is defined by the sealing plug 12 and the sliding portion 311 .

Splitting the shell 1 into multiple parts such as the shell 11 and the sealing plug 12 is not only beneficial to reduce the processing difficulty of each part, but also facilitates the rational selection of the material of each part according to the needs, and also facilitates the assembly of the internal parts of the shell 1, thereby The structure of the starting device 100 is optimized to reduce the assembly difficulty of the starting device 100 . Using the sealing plug 12 to block the groove of the sliding portion 311 is beneficial to improve the sealing reliability of the sealing cavity 1111 . Wherein, the casing 11 may be a metal casing. The sealing plug 12 may be a rubber plug or a silicone plug.

Further, the striker 31 can be a metal piece with high hardness, which is convenient for quickly piercing the sealed container 21 . At least one sealing ring is sleeved between the sliding part 311 and the casing 11 to further improve the sealing reliability of the sealing cavity 1111 . The side wall 3112 of the sliding part 311 is provided with at least one sealing groove 3113 for installing the sealing ring, as shown in FIG. 1 . The casing 11 is provided with a through hole, the initiator 32 passes through the sealing plug 12 and the through hole extends to the outside of the casing 1 .

In an exemplary embodiment, as shown in FIG. 1 , a mounting hole 131 and at least one air passage 132 are provided in the housing 1 . The sealed container 21 includes a head 211 and a body 212, as shown in FIG. 2 . The head 211 is installed in the installation hole 131 , and the head 211 is arranged corresponding to the striker 31 , and is used for ejecting the gas formed by the driving medium 22 . The gas passage 132 communicates with the mounting hole 131 , and one end of the gas passage 132 penetrates through the housing 1 for delivering the gas formed by the driving medium 22 to the fire extinguishing agent storage container 210 .

The housing 1 is provided with a mounting hole 131 and an air passage 132 . The mounting hole 131 is used to mount the head 211 of the sealed container 21, and the body 212 of the sealed container 21 can be inserted into the fire extinguishing agent storage container 210. The gas passage 132 is used to deliver gas to the fire extinguishing agent storage container 210 , so as to rapidly pressurize the fire extinguishing agent storage container 210 , and then spray the fire extinguishing agent 220 . The air passage 132 communicates with the installation hole 131 to ensure that the gas ejected from the head 211 of the sealed container 21 can enter the air passage 132; one end of the air passage 132 penetrates the casing 1 to ensure that the casing 1 and the fire extinguishing agent storage container After 210 is assembled, the air passage 132 can communicate with the fire suppressant storage container 210 .

Of course, when the activation device is used in other equipment, the gas passage is used to deliver the gas formed by the driving medium to the container body of the other equipment.

In an exemplary embodiment, as shown in FIG. 1 , the housing 1 includes a housing 11 and a support base 13 . A second installation cavity 112 is provided in the housing 11 . The support base 13 is installed in the second installation cavity 112 . Mounting holes 131 and air passages 132 are provided on the support base 13.

Splitting the shell 1 into multiple parts such as the shell 11 and the support seat 13 not only helps to reduce the processing difficulty of each part, but also facilitates the rational selection of the material of each part according to the needs, and also facilitates the assembly of the internal parts of the shell 1, thereby The structure of the starting device 100 is optimized to reduce the assembly difficulty of the starting device 100 .

In an exemplary embodiment, the support base 13 is further provided with an escape hole 133 , and the escape hole 133 communicates with the installation hole 131 . The acupuncture portion 312 is inserted into the escape hole 133, as shown in FIG. 1 . The cross-sectional area of the avoidance hole 133 is larger than the cross-sectional area of the mounting hole 131 . The air passage 132 penetrates both ends of the support base 13 along the axial direction of the escape hole 133 , and the air passage 132 penetrates the hole wall of the escape hole 133 along the radial direction of the escape hole 133 .

In this embodiment, the arrangement of the avoidance hole 133 reduces the distance between the striker 31 and the sealed container 21 , so that the striker 31 can quickly pierce the sealed container 21 . At the same time, the avoidance hole 133 is relatively thick, and the installation hole 131 is relatively thin, so that the air passage 132 can penetrate the hole wall of the avoidance hole 133 along the radial direction of the avoidance hole 133, so that the hole wall of the avoidance hole 133 is not complete in the circumferential direction annular structure, and the hole wall of the mounting hole 131 may be a complete annular structure in the circumferential direction. In this way, the mounting hole 131 and the head 211 of the sealed container 21 can have a larger contact area, so as to improve the fixing reliability of the sealed container 21; and the gas ejected from the head 211 in the mounting hole 131 can more easily enter the into the air channel 132 , thereby increasing the initiation speed of the initiation device 3 .

Further, the cross section of the escape hole 133 is circular. The cross section of the mounting hole 131 is circular. The avoidance hole 133 is coaxial with the installation hole 131 , and the radius of the avoidance hole 133 is larger than the radius of the installation hole 131 .

Further, the support base 13 is connected with the outer shell 11 in a screw thread, which is reliable in connection and convenient in assembly. The head 211 of the airtight container 21 is threadedly connected with the support base 13 , the connection is reliable, and the assembly is convenient.

Further, the number of air passages 132 is multiple, and the plurality of air passages 132 are arranged at intervals along the circumferential direction of the support base 13 , so that the gas can enter the fire extinguishing agent storage container 210 quickly and evenly.

In an exemplary embodiment, as shown in FIG. 1 , the cross-sectional area of the second installation cavity 112 is larger than the cross-sectional area of the first installation cavity 111 , so that the first installation cavity 111 and the second installation cavity 112 form a step Pore structure. The end face of the support base 13 close to the first installation cavity 111 abuts against the end face of the second installation cavity 112 . The end surface of the support base 13 close to the first installation cavity 111 protrudes from the inner side of the first installation cavity 111 to form a stop surface 134 for stopping the striker 31 , as shown in FIG. 1 .

During assembly, the sealing plug 12 can be inserted into the first installation cavity 111 through the second installation cavity 112 first, then the striker 31 can be inserted into the first installation cavity 111 through the second installation cavity 112, and then the support seat can be inserted into the first installation cavity 111. 13 is installed into the second installation cavity 112 until the support base 13 abuts against the step of the stepped hole, and then the head 211 of the sealed container 21 is installed into the installation hole 131 of the support base 13 . In this way, the assembling process of the activation device 100 is simple and convenient.

In addition, during use, when the striker 31 moves to abut against the support base 13, it will be blocked by the support base 13 and cannot continue to move, thereby limiting the sliding stroke of the striker 31 and preventing the striker 31 from moving too much. The sealed container 21 is excessively deformed and falls off.

Further, the needle-piercing portion 312 of the striker 31 is provided with a transition channel 3121 connected to the air channel 132, as shown in FIG. 1 . In this way, the gas in the sealed container 21 can also enter the gas passage 132 through the transition channel 3121 , thereby further improving the initiation speed of the initiation device 3 . In addition, in this way, the mass of the striker 31 can be further reduced, and the requirements on the initiator 32 can be further reduced.

In an exemplary embodiment, as shown in FIG. 1 , the housing 1 is provided with at least one ejection channel 116 , and the ejection channel 116 communicates with the ejection port 115 . The starting device 100 further includes a sealing valve 4, which is used to disconnect the communication between the ejection channel 116 and the nozzle 115, and the sealing valve 4 is configured to conduct the ejection channel 116 and the nozzle under the impact of the fluid (such as the fire extinguishing agent 220). 115.

The ejection passage 116 is configured to communicate with the extinguishing agent storage container 210 . The sealing valve 4 ensures that the discharge channel 116 and the nozzle 115 are disconnected when the fire extinguishing equipment 200 is not in use, thereby preventing the fire extinguishing agent 220 from being sprayed and causing property damage or personal injury. In the event of a fire, when the initiating device 3 opens the sealed container 21, the fire-extinguishing agent in the fire-extinguishing agent storage container 210 flows to the ejection channel 116 under the action of the air pressure, and then the sealing valve 4 is opened, and the fire-extinguishing agent 115 Spit out fire. Of course, when the activation device 100 is used in other equipment, the ejection channel 116 is configured to be able to communicate with the container body of the other equipment.

Wherein, the sealing valve 4 can use a metal sealing plug, which is in an interference fit with the housing 1 .

Further, at least one sealing ring is sleeved between the sealing valve 4 and the housing 1 to further improve the sealing reliability of the sealing valve 4 . The outer side wall of the sealing valve 4 is provided with a sealing groove 3113 for installing the sealing ring.

Further, the number of the ejection passages 116 can be equal to the number of the ejection ports 115 and correspond one-to-one. At this time, the number of the sealing valves 4 can be equal to the quantity of the ejection passages 116 and correspond one-to-one, so as to ensure that each ejection passage 116 has a one-to-one correspondence with each other. The spout 115 may be open when there is no fire.

The number of the ejection channels 116 may also be different from the number of the ejection ports 115. For example, the ejection channels 116 may have a three-way structure, a four-way structure, etc., and one ejection channel 116 can be connected to three or four ejection ports 115, so that there are It is beneficial to reduce the number of sealing valves 4, thereby simplifying the product structure and reducing the product cost.

In an exemplary embodiment, as shown in FIG. 1 , the activation device 100 further includes: a siphon 5 , which is fixedly connected to the housing 1 and communicated with the ejection channel 116 .

After the starting device 100 is assembled with the fire extinguishing agent storage container 210 , the siphon 5 is inserted into the fire extinguishing agent storage container 210 . The siphon 5 can use the siphon principle to suck the fire extinguishing agent 220 in the fire extinguishing agent storage container 210 into the ejection channel 116, so that the fire extinguishing agent 220 continuously enters the ejection channel 116, thereby improving the fire extinguishing efficiency. Further, the siphon pipe 5 is a plastic pipe, and the siphon pipe 5 is screwed to the housing 1 .

Of course, for small fire-extinguishing equipment, the amount of fire-extinguishing agent 220 is relatively small, and the siphon 5 can also be eliminated. Alternatively, for the case where the fire extinguishing agent storage container 210 is on top and the activation device 100 is on the bottom, the fire extinguishing agent 220 can automatically flow to the ejection channel 116 under the action of gravity, and the siphon 5 can also be eliminated in this case.

In an exemplary embodiment, as shown in FIG. 1 , the housing 1 is further provided with a third installation cavity 113 and an escape cavity 117 communicating with the third installation cavity 113 . The sealing valve 4 is installed in the third installation cavity 113 to disconnect the communication between the ejection channel 116 and the nozzle 115, and is set to be able to move into the avoidance cavity 117 under the impact of the fluid (such as the fire extinguishing agent 220) to conduct the ejection Channel 116 and spout 115 .

In this way, after the sealing valve 4 is impacted by the fire-extinguishing agent 220, it is still located in the casing 1, which can prevent the sealing valve 4 from collapsing and causing property damage or being covered by a person.

In an exemplary embodiment, as shown in FIG. 1 , the activation device 100 further includes: an elastic member 6 , which is arranged in the housing 1 and abuts against the sealing valve 4 for restricting the sealing valve 4 to the avoidance cavity 117 sports.

The elastic member 6 can exert a force on the sealing valve 4 to improve the positional stability of the sealing valve 4 and prevent the fire extinguishing agent 220 from being accidentally ejected when there is no fire, resulting in property damage or personal injury.

The elastic member 6 may be a compression spring, a shrapnel, a silicone ball or the like.

In an exemplary embodiment, as shown in FIG. 1 , the housing 1 includes a sealing cover 14 and a housing 11 . The housing 11 is provided with a fourth installation cavity 114 with both ends open. One end of the fourth installation cavity 114 communicates with the third installation cavity 113 , and the sealing cover 14 is used to cover one end of the fourth installation cavity 114 away from the third installation cavity 113 .

Splitting the casing 1 into multiple parts such as the outer casing 11 and the sealing cover 14 not only helps to reduce the processing difficulty of each part, but also facilitates the rational selection of the material of each part according to the needs, and also facilitates the assembly of the internal parts of the casing 1, thereby The structure of the starting device 100 is optimized to reduce the assembly difficulty of the starting device 100 .

Specifically, during the assembling process, the sealing valve 4 can be installed into the third installation cavity 113 through the fourth installation cavity 114 first, and then the elastic member 6 can be installed into the housing 11 so that the elastic member 6 can abut against the sealing valve 4 , and then cover the sealing cover 14.

In an exemplary embodiment, as shown in FIG. 1 , the sealing cover 14 is provided with a limiting groove 141 , and a part of the elastic member 6 is limited in the limiting groove 141 .

The limiting groove 141 can limit the position of the elastic member 6 to prevent the elastic member 6 from being tilted, displaced, etc., thereby improving the reliability of the elastic member 6 in use.

Further, as shown in FIG. 1 , the end of the sealing valve 4 facing the sealing cover 14 is further provided with a limiting groove 42 . One end of the elastic member 6 can be inserted into the limiting groove 42 , which is beneficial to further prevent the elastic member 6 from being tilted, displaced, etc., so as to ensure the good cooperation between the elastic member 6 and the sealing valve 4 .

Further, as shown in FIG. 1 , the end of the sealing valve 4 facing the sealing cover 14 is further provided with a limiting boss 41 . The cross-sectional area of the limiting boss 41 is larger than the cross-sectional area of the third installation cavity 113 , which can prevent the sealing valve 4 from being stuck in the third installation cavity 113 and affect the normal ejection of the fire extinguishing agent 220 .

In an illustrative embodiment, the drive medium 22 is a gaseous medium.

The driving medium 22 may be a gaseous medium, which is stored in the sealed container 21, and is quickly ejected when the sealed container 21 is opened. Wherein, the driving medium 22 may be nitrogen, argon, carbon dioxide, air, etc., and the pressure level is higher than 1.2 MPa.

In another exemplary embodiment, the driving medium 22 is a liquid medium.

The driving medium 22 can also be a liquid medium, which can be packaged in the airtight container 21 in a liquid form. After the airtight container 21 is opened, it is vaporized into a gas, such as liquid carbon dioxide, liquid propane, and the like. In other words, the driving medium 22 is a liquid-to-gaseous medium.

Alternatively, the driving medium 22 can also be a solid medium, which is encapsulated in the sealed container 21 in a solid form, and is sublimated into a gas, such as solid carbon dioxide (dry ice), after the sealed container 21 is opened. In other words, the driving medium 22 is a solid-to-gaseous medium, which is directly transformed into a gaseous state by decompressing a sealed container, rather than generating gas through combustion or explosion, so the gas generating device 2 is still a non-inflammable product.

Alternatively, the drive medium includes any combination of gaseous, liquid, and solid media. In other words, the driving medium may also include gaseous media and liquid media. Alternatively, the drive medium may also include gaseous and solid media. Alternatively, the driving medium may also include liquid medium and solid medium. Alternatively, the driving medium may also include gaseous medium, liquid medium and solid medium. As long as the two media in different states or the media in three different states sealed in the airtight container do not react with each other, and all of them can be ejected in gaseous form after the airtight container is opened.

In an exemplary embodiment, the Rockwell hardness of the striker 31 is greater than or equal to HR60.

Setting the hardness of the striker 31 within the above range can ensure that the striker 31 can quickly and effectively pierce the sealed container 21 .

In an exemplary embodiment, the diameter of the needle tip of the striker 31 is between 2 mm and 3 mm.

The diameter of the needle tip of the striker 31 is limited between 2 mm and 3 mm, which can ensure that the gas can be quickly ejected after the sealed container 21 is pierced.

As shown in FIG. 3 , an embodiment of the present invention further provides a fire extinguishing device 200 , including: a fire extinguishing agent storage container 210 and the starting device 100 according to any one of the above embodiments.

The fire extinguishing agent storage container 210 contains a fire extinguishing agent 220 therein. The housing 1 of the activation device 100 is connected to a storage container 210 of extinguishing agent. The gas generating device 2 of the activation device 100 is used to deliver the gas that drives the fire extinguishing agent 220 to spray into the fire extinguishing agent storage container 210 . The spout 115 of the activation device 100 is arranged to be able to communicate with the extinguishing agent storage container 210 .

Since the fire extinguishing equipment 200 provided in this embodiment includes the starting device 100 provided in any of the above-mentioned embodiments, it has all the beneficial effects of any of the above-mentioned embodiments, which will not be repeated here.

Further, the casing 1 is connected with the fire extinguishing agent storage container 210 by screw thread, the connection is reliable, and the assembly is convenient. The gas generating device 2 and the siphon 5 of the starting device 100 are inserted into the fire extinguishing agent storage container 210 . The vent passage 132 of the activation device 100 is in communication with the extinguishing agent storage container 210 .

Therein, the shape of the fire extinguishing agent storage container 210 is not limited. For example, the cross section of the fire extinguishing agent storage container 210 may be circular, oval, triangular, polygonal or the like.

In an illustrative embodiment, the fire extinguishing device 200 is a gas fire extinguishing device.

In another illustrative embodiment, the fire extinguishing equipment 200 is a dry powder fire extinguishing equipment.

In yet another illustrative embodiment, the fire extinguishing device 200 is a liquid fire extinguishing device.

A specific embodiment is described below with reference to the accompanying drawings.

As shown in FIG. 3 , this specific embodiment provides a gas fire extinguishing device, which includes a starting device 100 and a fire extinguishing agent storage container 210 , and the fire extinguishing agent storage container 210 contains a gas fire extinguishing agent.

As shown in FIG. 1 , the starting device 100 includes: a housing 1 , a gas generating device 2 , an initiating device 3 , a sealing valve 4 , a siphon 5 and an elastic member 6 . The housing 1 includes: a housing 11 , a sealing cover 14 , a sealing plug 12 and a support seat 13 . The gas generating device 2 includes a sealed container 21 and a driving medium 22 enclosed in the sealed container 21 . The initiation device 3 includes a striker 31 and an electrical initiator. The elastic member 6 is a compression spring.

The housing 11 is provided with a first installation cavity 111, a second installation cavity 112, a third installation cavity 113, an escape cavity 117 and a fourth installation cavity 114. The sealing plug 12 is arranged in the first installation cavity 111 , and the support seat 13 is arranged in the second installation cavity 112 . The support base 13 is provided with an escape hole 133 and a mounting hole 131 . The striker 31 includes a sliding portion 311 and a needling portion 312 . The sliding part 311 is located in the first installation cavity 111 and is slidably matched with the housing 11 . The acupuncture portion 312 is inserted into the escape hole 133 . A sealing cavity 1111 is formed between the sealing plug 12 and the striker 31. The sealed container 21 includes a head 211 and a body 212 . The head 211 is installed in the mounting hole 131 , and the body 212 is inserted into the fire extinguishing agent storage container 210 . The support base 13 is also provided with four air passages 132 . The sealing valve 4 is installed in the third installation cavity 113 . The sealing cover 14 is partially inserted into the fourth installation cavity 114 and covers the fourth installation cavity 114 . The sealing cover 14 is provided with a limiting groove 141 , a part of the compression spring is inserted into the limiting groove 141 , and the other part passes through the escape cavity 117 and abuts against the sealing valve 4 . The housing 11 is also provided with an ejection channel 116 and a spout 115 . One end of the siphon pipe 5 is inserted into the ejection channel 116 , and the other end of the siphon pipe 5 is inserted into the fire extinguishing agent storage container 210 .

The sealing cover 14 is screwed and fixed to the housing 11 . The siphon 5 is screwed and fixed with the casing 11 . The support base 13 is screwed and fixed with the housing 11 . The sealing valve 4 is a metal part, and is sleeved with an O-ring. The striker 31 is also a metal piece, and is sleeved with two O-rings. The sealing plug 12 is a silicone piece.

The starting current of the electric initiator is 225mA to 600mA, the safety current is 200mA, and the resistance value is 4.5Ω±0.5Ω. The outer shape of the gas generating device 2 is an ellipse, and the driving medium 22 is nitrogen gas. The hardness of the striker 31 is HR60, and the diameter of the needle is 2mm±0.5mm. The way of spouting gas from the gas producing device 2 is driven by the external power source of the electric initiator.

The fire extinguishing agent 220 is heptafluoropropane. The outer shape of the fire extinguishing agent storage container 210 is cylindrical. Neither the activation device 100 nor the extinguishing agent storage container 210 has a pressure gauge. The fire extinguishing agent nozzle 115 has a three-channel structure and is connected with the siphon 5 .

However, after the connecting wire 322 of the electric initiator is powered on, the resistance 321 heats up to increase the air pressure of the sealed cavity 1111, and the firing pin 31 is squeezed to pierce the sealed container 21 of the gas removal device 2, and the nitrogen gas in the sealed container 21 enters through the gas passage 132. In the fire-extinguishing agent storage container 210 , the heptafluoropropane fire-extinguishing agent in the fire-extinguishing agent storage container 210 is squeezed into the siphon 5 , and the sealing valve 4 is jacked up and ejected from the fire-extinguishing agent nozzle 115 .

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite" , "four corners", "periphery", "mouth" word structure" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, rather than indicating Or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the embodiments of the present invention, unless otherwise expressly specified and limited, the terms "connection", "direct connection", "indirect connection", "fixed connection", "installation" and "assembly" should be interpreted broadly , for example, it can be a fixed connection, a detachable connection, or an integral connection; the terms "installation", "connection" and "fixed connection" can be directly connected or indirectly connected through an intermediate medium, which can be two Connectivity within the element. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Although the disclosed embodiments of the present invention are as above, the content described is only an embodiment adopted to facilitate the understanding of the present invention, and is not intended to limit the present invention. Any person skilled in the art to which the present utility model belongs, without departing from the spirit and scope disclosed by the present utility model, can make any modifications and changes in the form and details of the implementation, but the scope of the patent protection of the present utility model is , still as defined in the appended claims.

Claims (16)

1. A starting device, characterized in that, comprising: a casing, the casing is provided with at least one spout; a gas generating device, comprising an integrated sealed container and a driving medium sealed in the sealed container, the sealed container is connected with the casing; An initiating device is located outside the gas producing device, the initiating device includes a striker and an initiator, the striker is arranged corresponding to the sealed container, and is used to pierce the sealed container, so that the driving medium is ejected from the place the airtight container and form gas; the initiator is matched with the striker to drive the striker to move in a direction close to the airtight container, so that the striker pierces the airtight container; Wherein, the casing is provided with at least one ejection channel, and the ejection channel is communicated with the ejection port; the starting device further includes a sealing valve, which is used for disconnecting the ejection channel from the outlet. For the communication of the spout, the sealing valve is configured to conduct the ejection channel and the spout under the impact of the fluid. 2. The starting device according to claim 1, characterized in that, the striker is located in the casing, and defines a sealed cavity with the casing; One end of the initiator is located in the sealing chamber, and is used for increasing the air pressure of the sealing chamber, so as to drive the striker to move toward the direction close to the sealing container; The other end of the initiator extends through the housing to the outside of the housing. 3. The starting device according to claim 2, characterized in that, The initiator includes an electrical initiator including a resistor and a connecting wire connecting the resistor, the resistor being located within the sealed cavity, the connecting wire extending through the housing to the housing in vitro; and/or The initiator includes a thermal initiator. 4. The starting device of claim 2, wherein the striker comprises: a sliding part, which surrounds the sealing cavity with the casing and is slidably matched with the casing; and The acupuncture part is connected with the sliding part, and the acupuncture part is disposed toward the sealed container and used for piercing the sealed container. 5. The starting device according to claim 4, characterized in that, The sliding part includes an end plate and a side wall; the side wall is connected with the edge of the end plate, and forms a groove with one end open with the end plate; the casing seals the groove The open end of the end plate and the sliding part surround the sealing cavity; the acupuncture part is connected with the plate surface of the end plate away from the side wall. 6. The starting device according to claim 5, characterized in that, The housing includes a casing and a sealing plug, a first installation cavity is arranged in the casing, at least a part of the sealing plug and the striker are located in the first installation cavity, and the sliding part slides with the casing In cooperation, the sealing cavity is defined by the sealing plug and the sliding portion. 7. The starting device according to any one of claims 1 to 6, characterized in that, The housing is provided with a mounting hole and at least one air passage; The sealed container includes a head and a body, the head is installed in the installation hole, and the head is arranged corresponding to the striker; The gas passage is communicated with the mounting hole, and one end of the gas passage penetrates the casing for conveying the gas formed by the driving medium. 8. The starting device of claim 7, wherein: The housing includes a casing and a support seat, the casing is provided with a second installation cavity, the support base is installed in the second installation cavity, and the installation hole and the air passage are provided in the support seat. 9. The starting device of claim 8, wherein: The support base is further provided with an escape hole, the escape hole is communicated with the installation hole, and a part of the striker is inserted into the escape hole; The cross-sectional area of the escape hole is larger than the cross-sectional area of the installation hole, the air passage passes through both ends of the support seat along the axial direction of the escape hole, and the air passage is along the escape hole. The radial direction of the hole penetrates the hole wall of the avoidance hole. 10. The starting device of claim 9, wherein: The cross-sectional area of the second installation cavity is larger than the cross-sectional area of the first installation cavity in the housing, so that the first installation cavity and the second installation cavity form a stepped hole structure; The end face of the support seat close to the first installation cavity abuts against the end face of the second installation cavity; and the end face of the support base close to the first installation cavity protrudes out of the first installation cavity On the inner side, a stop surface for stopping the striker is formed. 11. The starting device according to any one of claims 1 to 6, characterized in that, further comprising: The siphon pipe is fixedly connected with the casing and communicated with the ejection channel. 12. The starting device according to any one of claims 1 to 6, characterized in that, A third installation cavity and an escape cavity communicating with the third installation cavity are also arranged in the housing; The sealing valve is installed in the third installation cavity to disconnect the communication between the ejection channel and the ejection port, and is configured to be able to move into the avoidance cavity under the impact of fluid to conduct the ejection Out channel and the spout. 13. The starting device of claim 12, further comprising: The elastic member is arranged in the casing and abuts against the sealing valve, and is used for restricting the movement of the sealing valve to the avoidance cavity. 14. The starting device of claim 13, wherein: The casing includes a sealing cover and a casing, the casing is provided with a fourth installation cavity with two ends open, one end of the fourth installation cavity is connected to the third installation cavity, and the sealing cover is used to cover the The fourth installation cavity is away from one end of the third installation cavity. 15. The starting device of claim 14, wherein: The sealing cover is provided with a limiting groove, and a part of the elastic member is limited in the limiting groove. 16. A fire extinguishing equipment, characterized in that, comprising: a fire extinguishing agent storage container containing a fire extinguishing agent; and The starting device according to any one of claims 1 to 15, wherein the casing of the starting device is connected to the fire extinguishing agent storage container, and the gas generating device of the starting device is used for injecting into the fire extinguishing agent storage container The gas that drives the fire extinguishing agent to be ejected is conveyed, and the nozzle of the starting device is configured to be able to communicate with the fire extinguishing agent storage container.

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