TWI785908B - Gas transportation device - Google Patents

Abstract

A gas transportation device is disclosed and includes a main body and plural actuating units. The main body includes a top cover, plural connection parts and a bottom cover. The top cover and the bottom cover are assembled with each other and an accommodation space is formed. The top cover includes an inlet end. The plural connection parts are respectively disposed within the accommodation space. Each connection parts includes a hollow opening. The bottom cover includes an outlet end. The hollow openings of the connection parts are in communication with the inlet end and the outlet end. Each of the plural actuating units includes an actuator disposed on a valve body, and the plural actuating units are respectively disposed in the hollow openings of the connecting parts. The valve body of each actuating unit are corresponding in position to the hollow opening of the connecting part such that a tandem architecture is formed. Both the actuator and the valve body are circular shape. Gas is inhaled into the accommodation space through the inlet end and then pressurized and transported by the tandem architecture formed by the plural actuating units so that the gas can be discharged out through the outlet end.

Description

gas delivery device

This case relates to a gas transmission device, especially a gas transmission device with high output pressure, large gas flow rate and silence.

At present, in various fields, whether it is medicine, computer technology, printing, energy and other industries, products are developing towards refinement and miniaturization, among which products such as micro pumps, sprayers, inkjet heads, and industrial printing devices are used. The pump that transmits fluid is the key component, so how to break through its technical bottleneck with innovative structure is an important content of development.

With the rapid development of science and technology, the application of fluid transmission devices is becoming more and more diversified. For example, industrial applications, biomedical applications, medical care, electronic heat dissipation, etc., and even the recent popular wearable devices can be seen. It can be seen that Pumps are gradually trending toward miniaturization of devices, maximum flow and quietness, which cannot be achieved by traditional electric motor pumps.

At present, the gas transmission device is moving toward high output pressure and gas flow maximization. However, it is difficult to achieve a single gas transmission device limited by miniaturization. Therefore, how to produce high output pressure, large gas flow and quietness The gas transmission device is the main subject of research and development in this case.

The main purpose of this case is to provide a gas transmission device, the main structural design of which is to prevent backflow and generate unidirectional flow, and adopt a series structure of multiple actuating units to transmit and pressurize, forming a high output pressure and large gas flow And quiet gas transmission device.

A broad implementation of this case is a gas transmission device, including: a body, including a top cover, a plurality of connecting parts and a bottom cover, the top cover and the bottom cover are mutually sealed to form an accommodating space, and the An air inlet is provided on the top cover, and a plurality of the connectors are respectively stacked and arranged in the accommodating space, and each of the connectors has a hollow opening, and an air outlet is provided on the bottom cover, so that each of the connectors The hollow opening of the connector communicates with the air inlet end and the air outlet end; and a plurality of actuation units, each of which includes an actuation body stacked on a valve body, and is respectively stacked on each In the hollow opening of the connecting piece, and the valve body of the actuating unit corresponds to the hollow opening of the connecting piece to form a series structure, and the actuating body of the actuating unit at the starting end of the series structure corresponds to The air inlet end of the top cover, the valve body of the actuating unit at the end of the serial structure corresponds to the gas outlet end of the bottom cover, and transmits a gas; wherein, the actuating body and the valve body are both round shape; the valve body includes an air outlet plate, a valve plate and a valve body plate are sequentially stacked in the accommodating space, the valve body plate has a concave portion formed by a surface depression, and the valve The valve plate is covered under the valve body plate, so that the valve plate and the concave part of the valve body plate maintain a distance, so that the valve plate can be displaced at the distance to form a flow path control, and the air outlet plate has a plurality of air outlet holes , the valve body plate has a plurality of valve plate through holes, and the valve plate through hole corresponds to the actuation through hole of the actuation plate, the valve plate has a plurality of valve holes, and the valve hole and the valve The through hole of the plate is set in a misplaced position, and the valve hole is set corresponding to the air outlet hole. When the actuating body is driven, the through hole of the valve plate is set through the misplaced position between the valve hole. When the air flow is positive, the valve body The operation of opening the flow path, when the air flow is reversed, the valve body is operated to close the flow path; thereby, the gas can enter the accommodating space from the inlet port, and pass through a plurality of the actuating units in sequence The series structure transmits and pressurizes the gas, which causes the gas to be discharged from the gas outlet.

100: thin gas transmission device

1: Ontology

11: top cover

111: Intake end

12: Connector

12a: the first connector

12b: Second connector

120:Accommodating space

121: hollow opening

122: side opening

13: Bottom cover

131: outlet end

2: Actuation unit

2a: first actuating unit

2b: Second actuating unit

21: Actuating body

211: actuation plate

211a: Actuation via

212: frame

212a: intake chamber

213: actuation assembly

2131: Air intake plate

2131a: air intake

2131b: Actuation zone

2131c: fixed area

2132: piezoelectric element

2133: Insulation frame

2134: Conductive frame

2134a: electrode

2134b: pin

22: valve body

221: Outlet board

221a: Air outlet

222: valve plate

222a: valve hole

223: valve body plate

223a: Valve plate through hole

223b: concave part

d1: Aperture diameter of air outlet

d2: The diameter of the valve hole

G: Spacing

Figure 1A is a schematic diagram of the appearance of the gas delivery device of the present invention.

Figure 1B is an exploded schematic diagram of the gas transmission device of the present case.

FIG. 2A is a schematic diagram of the appearance of the actuating unit of the gas transmission device of the present invention.

FIG. 2B is an exploded schematic diagram of the actuating unit of the gas transmission device of the present invention from a first viewing angle.

FIG. 2C is an exploded schematic diagram of the actuating unit of the gas transmission device of the present invention at a second viewing angle.

FIG. 3A is a schematic cross-sectional view of the relevant components of the actuating unit and the valve body of the gas transmission device of the present invention.

Fig. 3B is an enlarged schematic view 1 of the actuating unit and related components of the valve body viewed from the framed part in Fig. 3A.

FIG. 3C is an enlarged schematic view 2 of the actuation unit and related components of the valve body viewed from the framed part in FIG. 3A .

Fig. 4 is a schematic cross-sectional view of the flow direction of the transport gas in the gas transport device of this case.

Embodiments embodying the features and advantages of this case will be described in detail in the description of the latter paragraph. It should be understood that the present case can have various changes in different aspects without departing from the scope of the present case, and the descriptions and diagrams therein are used for illustration in nature rather than limiting the present case.

Please refer to FIG. 1A , FIG. 1B , FIG. 2A and FIG. 4 , this case provides a gas transmission device, which includes a body 1 and a plurality of actuating units 2a, 2b. The main body 1 includes a top cover 11, a plurality of connectors 12 and a bottom cover 13, the top cover 11 and the bottom cover 13 are mutually sealed to form an accommodating space 120, and the top cover 11 is provided with an air inlet 111, plural Two connectors 12a, 12b are respectively stacked in the accommodating space 120, and each connector 12a, 12b has a hollow opening 121, and the bottom cover 13 is provided with an air outlet 131, so that each connector 12a, 12b The hollow opening 121 communicates with the air inlet end 111 and the air outlet end 131; in this embodiment, the accommodating space 120, as shown in Figure 4, starts below the air inlet end 111 of the top cover 11 and ends at the bottom cover 13 above the gas outlet end 131, and includes the hollow opening 121 of the first connecting piece 12a and the hollow opening 121 of the second connecting piece 12b. Mouth 121. It should be noted that the number of connecting elements 12 can be adjusted according to design requirements, and is not limited to two. Moreover, the body 1 also includes a plurality of side openings 122 communicating with the accommodating space 120, that is, these side openings 122 can respectively communicate with the accommodating space 120 of the top cover 11, the hollow opening 121 of each connecting piece 12a, 12b, the bottom The accommodating space 120 of the cover 13 .

In this embodiment, there are two actuating units 2a and 2b, which are divided into a first actuating unit 2a and a second actuating unit 2b. Each actuating unit 2 includes an actuating body 21 stacked on a valve body 22, and respectively stacked in the hollow opening 121 of each connecting piece 12a, 12b, and the valve body 22 of the actuating unit 2a, 2b Corresponding to the hollow opening 121 of the connecting piece 12a, 12b to form a series structure, the actuating body 21 of the first actuating unit 2a at the starting end of the series structure corresponds to the air inlet 111 of the top cover 11, and the second unit at the end of the series structure. The valve body 22 of the actuator unit 2b corresponds to the gas outlet 131 of the bottom cover 13, and transmits a gas; the body 1, each actuator unit 2a, 2b, the actuator body 21 and the valve body 22 are all circular; the valve body 22 includes A gas outlet plate 221, a valve plate 222 and a valve body plate 223 are stacked in sequence in the accommodating space 120. The valve body plate 223 has a concave portion 223b formed by a surface depression, and the valve plate 222 is covered under the valve body plate 223, so that the valve plate 222 and the concave portion 223b of the valve body plate 223 maintain a distance G, so that the valve plate 222 can be displaced at the distance G to form a flow path control, and the air outlet plate 221 has a plurality of outlets The air hole 221a, the valve body plate 223 has a plurality of valve plate through holes 223a, and the valve plate through hole 223a corresponds to the actuation through hole 211a of the actuation plate 211, the valve plate 222 has a plurality of valve holes 222a, and the valve hole 222a and the through hole 223a of the valve plate are misplaced, and the valve hole 222a is set correspondingly to the air outlet hole 221a. When the actuating body 21 is driven, the misalignment between the through hole 223a of the valve plate and the valve hole 222a is set. When the air flow is positive, The valve body 22 operates to open the flow path, and when the air flow is reversed, the valve body 22 operates to close the flow path; thereby, the gas enters the accommodating space 120 from the intake port 111, and passes through a plurality of actuating The series structure of the units 2a and 2b transmits and pressurizes the gas, which promotes the gas to be discharged from the gas outlet 131; the resulting output pressure is 250mmHg~450mmHg and the gas flow rate is 1L/min~3.5L/min It is a gas transmission device with high output pressure, large gas flow rate and quiet operation. It should be noted that the number of connecting elements 12 can be adjusted according to design requirements, and is not limited to two.

In this embodiment, the three actuating units 2a and 2b are divided into the first actuating unit 2a and the second actuating unit 2b, and the plurality of connecting parts 12a and 12b are divided into the first connecting part 12a and the second connecting part 12b , wherein the valve body 22 of the first actuating unit 2a corresponds to the hollow opening 121 of the first connecting piece 12a, and communicates with the actuating body 21 of the second actuating unit 2b, and the valve body of the second actuating unit 2b 22 corresponds to the hollow opening 121 of the second connecting piece 12b, and constitutes a series structure, and the actuating body 21 of the first actuating unit 2a corresponds to the air intake end 111 of the top cover 11, and the second actuating unit 2b at the end of the series structure The valve body 22 corresponds to the gas outlet 131 of the bottom cover 13, the gas enters the accommodating space 120 from the gas inlet 111, and the pressurized gas is transmitted through the series structure of the first actuating unit 2a and the second actuating unit 2b, so that the gas Then it is discharged from the gas outlet 131; it constitutes a gas transmission device with an output pressure of 250mmHg~450mmHg and a gas flow rate of 1L/min~3.5L/min with high output pressure, large gas flow rate and silence.

Of course, the gas transmission device in this case is moving towards the trend of miniaturization, maximum flow rate and quietness of the device. Under design considerations, the main body 1 has a diameter of 24~26mm, and the height of the gas inlet port 111 and the gas outlet port 131 is 7~8mm. Height, to form the gas transmission device. In this embodiment, the optimum diameter of the main body 1 is 25 mm, and the optimum height excluding the height of the air inlet 111 and the air outlet 131 is 7.5 mm to form the gas transmission device.

Please refer to FIG. 2A , FIG. 2B and FIG. 3A to FIG. 3C , the actuating units 2 , 2 a , 2 b include an actuating body 21 and a valve body 22 . The actuating body 21 includes an actuating plate 211, a frame 212, and an actuating assembly 213; the actuating plate 211 is stacked on the valve body 22, and the actuating plate 211 has a plurality of actuating through holes 211a; the frame 212 is stacked on the actuating plate 211; and the actuating assembly 213 is a circular shape, stacked on the frame 212, including an air intake plate 2131, a piezoelectric element 2132, an insulating frame 2133 and a conductive frame 2134; the air intake plate 2131 has a plurality of air intake holes 2131a, wherein an actuation area 2131b and a fixed area 2131c are defined on the plane of the air intake plate 2131a through the positions of the air intake holes 2131a, and the actuation area 2131b is defined by the air intake holes 2131a Surrounded by the fixed area 2131c on the periphery of the air inlet 2131a; the piezoelectric element 2132 is arranged on the actuation area 2131b of the air inlet plate 2131; the insulating frame 2133 is arranged on the fixed area 2131c of the air inlet plate 2131; and the conductive frame 2134 is arranged On the insulating frame 2133, the conductive frame 2134 has an electrode 2134a and a pin 2134b, the pin 2134b is in contact with the piezoelectric element 2132, the electrode 2134a is connected to a wire, and the air inlet plate 2131 itself is also a conductive material and the piezoelectric element 2132 Electrical contact, and the frame 212 is connected with another wire, the driving circuit of the actuating component 213 can be completed. In this way, the gas transmission device of this case can pass through multiple groups of two wires, and respectively communicate with a group of two wires through a plurality of side openings 122 as shown in Fig. The actuating unit 2b is connected, and then a plurality of side openings 122 are sealed with glue, so that multiple groups of two wires are externally connected to a driving circuit, so that the gas transmission device of this case can send a driving signal (driving voltage and driving frequency) through the driving circuit. ), the drive signal is transmitted to the first actuating unit 2a and the second actuating unit 2b by multiple groups of two wires, one of which is passed through the electrode 2134a of the conductive frame 2134 and then transmitted to the piezoelectric element 2132 through the pin 2134b, And another lead wire passes through the frame 212, and then is transmitted to the piezoelectric element 2132 through the air inlet plate 2131 in contact with the piezoelectric element 2132, so that the piezoelectric element 2132 receives the driving signal and deforms, and then drives the actuating component 213 to produce up and down displacement drive (as shown in Figures 3B to 3C). It should be noted that the number of actuating units 2 and the number of groups of wires can be adjusted according to design requirements, and are not limited to two groups. In addition, it is worth noting that the actuating plate 211 , the frame 212 , and the actuating assembly 213 are all circular.

In the specific embodiment of this case, as shown in Figures 3A to 3C, when the piezoelectric element 2132 receives the driving signal (driving voltage and driving frequency), it converts electrical energy into mechanical energy through the inverse piezoelectric effect, according to the driving voltage size to control the amount of deformation of the piezoelectric element 2132, and the operation drive The frequency is used to control the deformation frequency of the piezoelectric element 2132, and the deformation of the piezoelectric element 2132 drives the actuating assembly 213 to start transmitting gas.

The shape of the above-mentioned actuating component 213 is circular. In the specific embodiment of this case, the shape of the actuating component 213 is circular, so that the actuating component 213 adopts a circular appearance under the same peripheral size of the device in this case. Design, relative to the intake plate 2131, the piezoelectric element 2132, the insulating frame 2133, and the conductive frame 2134 of the components formed by it are also circular.

Please refer to Fig. 2A to Fig. 2C and Fig. 3A to Fig. 3C, the above-mentioned valve body 22 is circular and includes an air outlet plate 221, a valve plate 222, and a valve body plate 223 in sequence The stacks are disposed in the containing space 120 . Wherein the valve plate 222 is located between the air outlet plate 221 and the valve body plate 223, the air outlet plate 221 has a plurality of air outlet holes 221a, the valve body plate 223 has a plurality of valve plate through holes 223a, and the valve plate through holes 223a and the actuating The actuating through hole 211a of the plate 211 corresponds, the valve plate 222 has a plurality of valve holes 222a, and the valve holes 222a and the valve plate through holes 223a are misaligned, and the valve holes 222a and the air outlet holes 221a are correspondingly set, so that the valve body 22 is formed. The valve plate through hole 223a, the valve hole 222a and the air outlet hole 221a are located under the actuation area 2131b surrounded by the air intake hole 2131a of the intake plate 2131. When the piezoelectric element 2132 drives the intake plate 2131, the valve plate through hole 223a and the valve hole 222a are misplaced; when the air flow is in the forward direction, the valve body 22 operates to open the flow path; The effect of flow rate; And in the present embodiment, gas outlet plate 221, valve body plate 223 are all metal plates, and valve plate 222 is a flexible film, and thickness is about 0.4～0.6 micron (μm), and the best is 0.5 micron (μm) ), the preferred valve plate 222 of this embodiment is polyimide film (Polyimide Film), but not limited thereto.

The position of the above-mentioned valve hole 222a and the through hole 223a of the valve plate are mutually misaligned, so that the valve plate 222 can close the through hole 223a of the valve plate, and the position of the valve hole 222a corresponds to the air outlet hole 221a, and the aperture d2 of the valve hole 222a is greater than or It is equal to the diameter d1 of the air outlet hole 221a. The design of the diameter d1 of the air outlet hole can make the valve body 22 open the flow path, and the large flow of air flows from the valve hole 222a to the air outlet hole 221a. Rapid discharge; and the valve body plate 223 has a recess 223b formed by a surface depression, and the valve plate 222 is covered under the valve body plate 223, so that the valve plate 222 maintains a distance from the recess 223b of the valve body plate 223 G, the ratio between the distance G and the thickness of the gas outlet plate 221 is between 1:2 and 2:3, which is about 40~70 microns (μm), and in this embodiment, the optimal ratio is 60 microns (μm) ); such valve body 22 is designed, when the valve plate 222 is biased towards the direction of the valve body plate 223, the valve plate 222 is able to close the valve plate through hole 223a, and the valve body 22 acts in a manner of closing the flow path (as shown in Fig. 3B shown); when the valve plate 222 is biased towards the direction of the air outlet plate 221, the valve plate 222 can vibrate the airflow in the distance G, and the airflow (the path indicated by the arrow) passes through the valve hole 222a and then quickly passes through the air outlet hole 221a to be discharged, the valve The body 22 acts to open the flow path (as shown in Fig. 3C). Therefore, the design of the valve body 22 can prevent reverse flow and produce a large flow control effect of one-way airflow.

As shown in Figure 2A to Figure 2B, the above-mentioned actuating plate 211 is fixed on the valve body plate 223, and the thickness of the actuating plate 211 is greater than that of the valve body plate 223, and the actuating plate 211 has A plurality of actuating through-holes 211a, the number, position, and diameter of the actuating through-holes 211a correspond to the through-holes 223a of the valve plate. In this embodiment, the actuating plate 211 is a metal plate, and the diameter of the actuating through-holes 211a The hole diameter is the same as that of the through hole 223a of the valve plate; the above-mentioned air intake plate 2131 has a plurality of air intake holes 2131a, and the air intake holes 2131a are tapered, which can improve the air intake efficiency, and has the effect of easy entry and difficult exit to prevent gas backflow In addition, the arrangement shape of the above-mentioned air inlet holes 2131a can be rectangular, square, circular, etc.; The electric element 2132 corresponds to the actuation area 2131b of the air inlet plate 2131 . In this embodiment, when the air inlet holes 2131a are arranged in a circle, the actuation area 2131b is defined as a circle, and the piezoelectric element 2132 is also circular. As mentioned above, the shape of the air inlet holes 2131a can be arranged in a rectangle, Square, circular, etc., the shape of the actuating area 2131b changes with the arrangement of the air inlets 2131a, and the piezoelectric element 2132 also corresponds to its shape.

Referring again to Fig. 3A to Fig. 3C and Fig. 4, the piezoelectric element 2132 and the intake plate 2131 of the above-mentioned actuating assembly 213 are stacked and fixed on the frame 212, and the actuating assembly 213, frame 212, An air inlet chamber 212a is formed between the actuating plate parts 211, and the valve plate through hole 223a of the valve body plate part 223 and the actuating through hole 211a of the actuating plate part 211 are located in the actuating area 2131b of the air inlet plate 2131 Under the vertical projection area of , it is vertically corresponding to the actuation area 2131b. As shown in FIG. 3B, the piezoelectric element 2132 begins to deform after receiving the driving signal, and drives the air intake plate 2131 to bend upwards. At this time, the air intake chamber 212a The volume becomes larger, and a negative pressure is formed, so that the valve plate 222 is attracted upwards and closes the valve plate through hole 223a of the valve body plate 223. At this time, as shown in FIG. The gas is sucked into the actuating assembly 213 of the first actuating unit 2a through the accommodating space 120, and then enters the air intake chamber 212a; please refer to FIG. 3C again, the driving signal received by the piezoelectric element 2132 is again Deformation is generated, which drives the intake plate 2131 to bend downward, compresses the intake chamber 212a, and pushes the gas inside the intake chamber 212a to pass through the actuation through hole 211a of the actuation plate 211 and the valve of the valve body plate 223 respectively. The plate passes through the hole 223a and transmits downward, so that when the kinetic energy is transmitted downward by the actuating assembly 213 to the distance G, the kinetic energy pushes the valve plate 222 to displace, so that the valve plate 222 breaks away from the valve plate through hole 223a and leans against the air outlet Plate 221, and then open the flow path action, the gas is transmitted downwards to the air outlet hole 221a of the air outlet plate 221 through the valve hole 222a, and then introduced into the hollow opening 121 of the first connecting part 12A through the air outlet hole 221a, and passes through the first connecting part 12A The hollow opening 121 then enters the second actuating unit 2b; similarly, the piezoelectric element 2132 of the actuating component 213 of the second actuating unit 2b begins to deform after receiving the driving signal, and transmits the same action to connect the first connecting member 12A The gas in the hollow opening 121 is sucked into the actuating assembly 213 of the second actuating unit 2b to enter the air intake chamber 212a, and then the gas is transported downwards to the air outlet hole 221a of the air outlet plate 221 through the valve hole 222a, Then through the air outlet hole 221a and then pressurized into the hollow opening 121 of the second connecting member 12B, through the hollow opening 121 of the second connecting member 12B, and then discharged from the air outlet 131 through the bottom cover 13 . This is accomplished through the first actuating unit 2a, the second Two actuating units 2b are connected in series to transmit pressurized gas, and each actuating unit 2a, 2b is designed with an actuating body 21 and a valve body 22, which can prevent reverse flow and produce a large flow rate control function of one-way air flow, that is, Constitute the transmission action of the gas transmission device with output pressure of 250mmHg~450mmHg and gas flow rate of 1L/min~3.5L/min with high output pressure, large gas flow rate and silence.

In addition, in the specific embodiment of this case, the valve body 22 composed of the air outlet plate 221, the valve plate 222, and the valve body plate 223 has been considered in design as the valve plate 222 is a flexible film with a thickness of about 0.4-0.6 microns (μm ), and the distance G maintained between the valve plate 222 and the concave portion 223b of the valve body plate 223 falls within the range of about 40~70 microns (μm), so the piezoelectric element 2132 of the actuator assembly 213 is maintained at 20~22 The operating frequency of kilohertz (kHz), preferably at an operating frequency of 21 kilohertz (kHz), maintains the oscillation of the pressure difference at a wavelength of 30 microns (μm), and the matching valve plate 222 of 0.5 microns (μm) is set at The concave part 223b of the valve body plate 223 maintains a distance G within the range of 40-70 microns (μm), which can oscillate within this distance G to form a dense wave of one-way drainage to prevent backflow. Obtaining maximum flow, minimizing the pressure drop that occurs as air flows through the valve body 22 is important to maximize valve performance.

It can be seen from the above description that the gas transmission device of this case sends out driving signals (driving voltage and driving frequency) through an external driving circuit, and transmits driving signals to the first actuating unit 2a and the second actuating unit 2b through multiple sets of two wires. connected for driving operation; of course, in another embodiment, the driving circuit can also be arranged in the accommodating space 120, and a plurality of actuating units are separately integrated and packaged separately and electrically connected to control the driving; or in another In the embodiment, the driving circuit can also be disposed in the accommodating space 120 or the hollow opening 121 , and be electrically connected with a plurality of actuating units in a system-integrated package (SIP package) for control and driving.

To sum up, the gas transmission device provided in this case forms an actuation unit through the gas outlet plate of the valve body, the valve plate, the valve body plate, and the matching circular actuating components. When the piezoelectric element of the moving component drives the intake plate, it can quickly transmit the gas downward, and then through the misalignment between the through hole of the valve plate and the valve hole, to avoid the gas backflow, with a large flow rate and a structure to avoid the gas backflow, when the air flow When it is in the forward direction, the valve body acts to open the flow path. When the air flow is in the reverse direction, the valve body acts to close the flow path, thereby preventing reverse flow and generating unidirectional air flow, which can increase the gas transmission volume and greatly increase the gas flow rate. flow rate, and adopts the structure design of a plurality of actuating units in series to transmit pressurization, which can constitute a gas transmission device with high output pressure, large gas flow rate and quietness, which is extremely industrially applicable.

This case can be modified in various ways by the people who are familiar with this technology, Ren Shijiang, but all of them do not break away from the intended protection of the scope of the attached patent application.

100: thin gas transmission device

1: Ontology

11: top cover

111: Intake end

12a: the first connector

12b: Second connector

120:Accommodating space

121: hollow opening

13: Bottom cover

131: outlet end

2a: first actuating unit

2b: Second actuation unit

Claims (22)

A gas transmission device, comprising: a body, including a top cover, a plurality of connectors and a bottom cover, the top cover and the bottom cover are mutually sealed to form an accommodating space, and an air inlet is provided on the top cover , a plurality of the connectors are respectively stacked in the accommodating space, and each of the connectors has a hollow opening, and the bottom cover is provided with an air outlet, so that the hollow opening of each connector is connected to the The air inlet end communicates with the air outlet end; and a plurality of actuation units, each of which includes an actuation body stacked on a valve body, and respectively stacked in the hollow opening of each of the connectors , and the valve body of the actuating unit corresponds to the hollow opening of the connector to form a series structure, and the actuating body of the actuating unit at the starting end of the series structure corresponds to the air inlet end of the top cover , the valve body of the actuating unit at the end of the series structure corresponds to the gas outlet end of the bottom cover, and transmits a gas, wherein the actuating body includes an actuating plate, the actuating plate has a plurality of actuating a through hole; wherein, the actuating body and the valve body are circular; the valve body includes an air outlet plate, a valve plate and a valve body plate which are sequentially stacked in the accommodating space, and the valve body plate The part has a recessed part with a depth formed by the surface depression, and the valve plate is covered under the valve body plate, so that the valve plate and the recess of the valve body plate maintain a distance, so that the valve plate can be placed on the valve body plate. The distance displacement forms flow path control, and the air outlet plate has a plurality of air outlet holes, the valve body plate has a plurality of valve plate through holes, and the valve plate through holes correspond to the actuation through holes of the actuation plate, The valve plate has a plurality of valve holes, and the valve holes and the through holes of the valve plate are arranged in dislocation, and the valve holes are arranged correspondingly to the air outlet holes. When the air flow is forward, the valve body operates to open the flow path, and when the air flow is reverse, the valve body operates to close the flow path; thus, the gas can enter through the inlet port In the accommodating space, the gas is sequentially transmitted and pressurized through the serial structure of the plurality of actuating units, so that the gas is discharged from the gas outlet. The gas transmission device according to claim 1, wherein the plurality of actuation units are divided into a first actuation unit and a second actuation unit, and the plurality of connection parts are divided into a first connection part and a second connection part, Wherein the valve body of the first actuating unit corresponds to the hollow opening of the first connecting piece and communicates with the actuating body of the second actuating unit, and the valve body of the second actuating unit Corresponding to the hollow opening of the second connecting piece, and forming the series structure, and the actuating body of the first actuating unit is corresponding to the air inlet end of the top cover, and the series structure terminates the second actuating The valve body of the unit corresponds to the gas outlet end of the bottom cover, the gas can enter the accommodating space from the gas inlet port, and the gas can be transmitted and pressurized through the series structure of the first actuating unit and the second actuating unit. gas, prompting the gas to be discharged from the gas outlet. The gas transmission device as claimed in item 2, wherein the body has a diameter of 24-26 mm, excluding the gas inlet end and the gas outlet end, which have a height of 7-8 mm. The gas transmission device as claimed in item 2, wherein the optimal diameter of the main body is 25 mm, and the optimal height excluding the height of the inlet port and the gas outlet port is 7.5 mm. As for the gas transmission device described in claim 2, the output pressure is 250mm Hg~450mm Hg. The gas transmission device as described in claim 2, the gas flow rate is 1L/min~3.5L/min. The gas transmission device as claimed in claim 1, wherein the actuating body comprises: the actuating plate, stacked on the valve body; a frame, stacked on the actuating plate; and an actuating assembly, It is a circular shape, stacked on the frame, including: an air intake plate with a plurality of air intake holes, wherein an actuation area and a fixed area are defined on the plane of the air intake plate through the positions of the air intake holes. area, the actuation area is surrounded by the air intake hole, and the periphery of the air intake hole is the fixed area; a piezoelectric element is arranged on the actuation area of the air intake plate; an insulating frame is arranged on the on the fixed area of the intake panel; and A conductive frame is arranged on the insulating frame. The gas delivery device according to claim 1, wherein the ratio between the distance and the thickness of the gas outlet plate is between 1:2 and 2:3. The gas transmission device as claimed in claim 1, wherein the distance is 40-70 microns. The gas delivery device of claim 1, wherein the pitch is 60 microns. The gas transmission device as claimed in claim 1, wherein the valve plate is a flexible membrane. The gas transmission device as claimed in claim 1, wherein the valve plate is a polyimide film. The gas transmission device according to claim 1, wherein the thickness of the valve plate is 0.4-0.6 microns. The gas delivery device according to claim 1, wherein the diameter of the valve hole is larger than the diameter of the outlet hole. The gas transmission device according to claim 1, wherein the diameter of the valve hole is equal to the diameter of the outlet hole. The gas transmission device as claimed in claim 1, wherein the valve plate through hole has the same diameter as the actuating through hole. The gas delivery device as claimed in claim 7, wherein the air inlet hole is tapered. The gas transmission device as claimed in claim 1, wherein the gas outlet plate, the valve body plate, and the actuating plate are all metal plates. The gas transmission device as claimed in claim 7, wherein the piezoelectric element of the actuating component maintains an operating frequency of 20-22 kHz. The gas delivery device of claim 7, wherein the piezoelectric element of the actuating assembly is maintained at an operating frequency of 21 kHz. The gas transmission device as described in Claim 1 further includes a driving circuit, which is disposed in the accommodating space, and is individually and integrally packaged with the plurality of actuating units, and is electrically connected to control the driving. The gas transmission device as claimed in claim 1 further includes a driving circuit, which is disposed in the accommodating space or the hollow opening, and is packaged with the plurality of the actuating units as a system and electrically connected to control the driving.

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