CN208026703U - A portable gas detection device - Google Patents

Abstract

The utility model discloses a kind of portable gas-detecting devices, including shell, the shell right flank middle part is fixedly connected with one end of cord, the other end of the cord is fixedly connected with retaining ring, it is fixedly connected with Anti-slip handle in the middle part of the shell leading flank, the housing upper surface is fixedly connected with alarm, switch button and display screen, spacing is uniformly fixedly connected with several gas detecting instruments above the strut, the region formed between above the strut and below the first communicating pipe is air storage chamber, spacing is uniformly communicated with several the first escape pipes below first communicating pipe, the lower end of asepwirator pump is communicated in above first communicating pipe, the asepwirator pump, exhaust pump and controller are electrically connected at rechargable power supplies, the gas detecting instrument, alarm and display screen are electrically connected at controller；It may be implemented that gas-detecting device is made to have the function of finding gas leakage occurring source and portable purpose.

Description

A portable gas detection device

technical field

The utility model relates to the field of gas detection, in particular to a portable gas detection device.

Background technique

Medium gas refers to a deformable and flowable fluid without shape and volume. Gas detection instrument is an instrumentation tool for gas leakage concentration detection. It mainly refers to portable or hand-held gas detection instruments, which mainly use gas sensors to detect the environment. A gas sensor is a sensor used to detect the composition and content of a gas. It is generally believed that the definition of gas sensors is based on the classification of detection targets.

Existing gas detection devices can only detect whether a gas leak occurs, but cannot detect where the gas leak occurs, which hinders the search for the source of the gas leak. At the same time, the existing gas detection devices also have The problem of being inconvenient to carry.

Utility model content

1. Technical problems to be solved

Aiming at the problems that the gas detection device in the prior art cannot find the source of gas leakage and is not easy to carry, the utility model provides a gas detection device that is easy to carry, which can realize the ability of the gas detection device to find the source of gas leakage The function and the purpose of portability.

2. Technical solution

In order to solve the above problems, the utility model adopts the following technical solutions.

A gas detection device that is easy to carry, comprising a housing, one end of a string is fixedly connected to the middle part of the right side of the housing, the other end of the string is fixedly connected to a buckle, and the middle part of the front side of the housing is fixed An anti-slip handle is connected, an alarm, a switch button and a display screen are fixedly connected to the upper surface of the housing, a power supply box and a control box are fixedly connected to the left side of the housing, and the inside of the power supply box is connected with Rechargeable power supply, the middle part of the left side of the power supply box is provided with a charging port, the inside of the control box is connected with a controller, the non-slip handle is fixed on the outer surface of the exhaust pipe, and the exhaust pipe One end of the exhaust pipe communicates with the outside world, the other end of the exhaust pipe communicates with the lower end of the exhaust pump, the upper end of the exhaust pump communicates with the lower end of the second air outlet pipe, and the upper end of the second air outlet pipe passes through the pole and communicates with the storage tank. The air chamber, the support rod is fixed inside the shell, and several gas detectors are fixedly connected to the upper part of the support rod at even intervals, and the area formed between the upper part of the support rod and the lower part of the first communication pipe is the gas storage chamber, the lower part of the first communicating pipe is uniformly connected with several first air outlet pipes, the upper part of the first communicating pipe is connected to the lower end of the suction pump, and the upper part of the suction pump is connected to the outside world. The suction pump, the exhaust pump and the controller are all electrically connected to the rechargeable power supply, and the gas detector, the alarm and the display screen are all electrically connected to the controller.

Preferably, a card slot is opened in the middle of the anti-slip handle, and an anti-slip cloth is wrapped around the outer surface of the card slot.

Preferably, there is a one-to-one correspondence between the several first gas outlet pipes and the several gas detectors in the vertical direction.

Preferably, both the suction pump and the exhaust pump are quantitative air pumps.

3. Beneficial effect

Compared with the prior art, the utility model has the advantages of:

(1) The utility model is equipped with a string, a buckle and a card slot. When the user does not use the device, he can buckle the buckle on a certain part of the body to realize easy portability. If the device Putting it in the box and being stuck on the card block in the box through the card slot can also achieve the purpose of portability. At the same time, the device has a compact structure and a small space volume ratio, thereby achieving the purpose of portability.

(2) The utility model is provided with an air suction pump, an exhaust pump, a gas detector and an alarm, and the air suction pump sucks the surrounding air into the gas storage chamber, and the gas detector in the gas storage chamber performs a check on the sucked air. Detection, the gas detector transmits the detection results to the controller, and the controller controls the sound of the alarm. If the gas detector detects that the concentration of the leaked gas is greater, the sound of the alarm will be louder. In this way, The purpose of finding the source of the gas leakage can be realized.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional view of Fig. 1 of the utility model;

FIG. 3 is a functional block diagram of the electrical connection of the present invention.

Explanation of symbols in the figure:

1-shell; 2-power box; 3-control box; 4-non-slip handle; 5-string; 6-buckle; 7-switch button; 8-alarm; 9-charging port; 10-display Screen; 11-exhaust pipe; 12-card slot; 13-rechargeable power supply; 14-suction pump; 15-first connecting pipe; 16-first air outlet pipe; 17-gas storage chamber; ; 19-strut; 20-the second outlet pipe; 21-controller; 22-exhaust pump.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention; obviously; the described embodiments are only a part of the embodiments of the present invention; not all implementations example. Based on the embodiments of the present invention; all other embodiments obtained by persons of ordinary skill in the art without creative work; all belong to the scope of protection of the present invention.

Please refer to Fig. 1-3, a portable gas detection device includes a housing 1, one end of a string 5 is fixedly connected to the middle of the right side of the housing 1, and the other end of the string 5 is fixedly connected to a clasp 6, The middle part of the front side of the housing 1 is fixedly connected with a non-slip handle 4, the upper surface of the housing 1 is fixedly connected with an alarm 8, a switch button 7 and a display screen 10, and the left side of the housing 1 is fixedly connected with a power supply box 2 and a control box body 3, the inside of the power supply box 2 is connected with a rechargeable power supply 13, the middle part of the left side of the power supply box 2 is opened with a charging port 9, the inside of the control box 3 is connected with a controller 21, and the non-slip handle 4 is socketed and fixed on the exhaust The outer surface of the pipe 11, one end of the exhaust pipe 11 communicates with the outside world, the other end of the exhaust pipe 11 communicates with the lower end of the exhaust pump 22, and the upper end of the exhaust pump 22 communicates with the lower end of the second air outlet pipe 20, and the second air outlet pipe The upper end of 20 passes through the strut 19 and communicates with the gas storage chamber 17. The strut 19 is fixed inside the housing 1. Several gas detectors 18 are fixedly connected to the top of the strut 19 with uniform spacing. The top of the strut 19 communicates with the first The area formed between the lower parts of the tubes 15 is the gas storage chamber 17, and the lower part of the first communicating tube 15 is uniformly connected with several first outlet tubes 16. The top of the pump 14 is connected to the outside world, the suction pump 14, the exhaust pump 22 and the controller 21 are all electrically connected to the rechargeable power supply 13, and the gas detector 18, the alarm 8 and the display screen 10 are all electrically connected to the controller twenty one.

The middle part of the anti-slip handle 4 is provided with a card slot 12, and the outer surface of the card slot 12 is wrapped with a non-slip cloth. When held by the user, the device slips from the hand, and several first air outlet pipes 16 and several gas detectors 18 correspond one-to-one in the vertical direction. Such a layout can make the detection results more accurate. Exhaust pumps 22 are all quantitative air pumps, so that the accuracy of the detection results can be improved under a certain amount.

Working principle: the first step is to assemble all the parts completely, so that the rechargeable power supply 13 supplies power to each electrical device; the second step is to hang the device on a certain part of the body through the buckle 6 when the user does not use the device. One part is easy to carry, or when it is placed in the box body, it is stuck in the block in the box body through the card slot 12, which is easy to carry; the third step, when using the device, the user holds the anti-slip handle 4 and puts it in his hand. On the card slot 12, the suction pump 14 continuously inhales air, and the inhaled air reaches the gas storage chamber 17 through several first air outlet pipes 16, and one first air outlet pipe 16 corresponds to one gas detector 18, and the air from a certain first outlet pipe 16 corresponds to a gas detector 18. The air coming out of the trachea 16 is blown to the corresponding gas detector 18, the air in the gas storage chamber 17 is sent to the controller 21 by several gas detectors 18 in the air storage chamber 17, and the controller 21 synthesizes several gas detectors. The detection results of two gas detectors 18 obtain the average value, which improves the accuracy of detection, and the controller 21 controls the alarm 8 to sound again. The larger the average value obtained by the controller 21, the louder the alarm 8 sends. , (the place where the gas leakage occurs must have the highest gas concentration), the user can judge the location of the gas leakage according to the sound of the alarm 8.

The above; is only a preferred embodiment of the utility model; but the protection scope of the utility model is not limited thereto; any skilled person familiar with the technical field is within the technical scope disclosed in the utility model; according to the utility model Novel technical solutions and their improved concepts are equivalently replaced or changed; all should be covered within the protection scope of the present utility model.

Claims (4)

1. a kind of portable gas-detecting device, including shell (1), it is characterised in that：Shell (1) right flank middle part It is fixedly connected with one end of cord (5), the other end of the cord (5) is fixedly connected with retaining ring (6), shell (1) front side Middle face is fixedly connected with Anti-slip handle (4), and shell (1) upper surface is fixedly connected with alarm (8), switch button (7) It is fixedly connected with power box (2) and control babinet (3), the power supply box with the left side of display screen (10), the shell (1) Body (2) is internally connected with rechargable power supplies (13), and the left side middle part of the power box (2) opens up and charge port (9), described Control babinet (3) is internally connected with controller (21), and the Anti-slip handle (4) is fixed by socket in the outer surface of exhaust pipe (11), One end of the exhaust pipe (11) is communicated with the external world, and the other end of the exhaust pipe (11) is connected in the lower end of exhaust pump (22), The upper end connection of the exhaust pump (22) is in the lower end of the second escape pipe (20), and the upper end of second escape pipe (20) is through branch Bar (19) is communicated in air storage chamber (17), and the strut (19) is fixed on the inside of shell (1), and spacing is equal above the strut (19) It is even to be fixedly connected with several gas detecting instruments (18), shape between above the strut (19) and the first communicating pipe (15) lower section At region be air storage chamber (17), spacing is uniformly communicated with several the first escape pipes below first communicating pipe (15) (16), the lower end of asepwirator pump (14) is communicated in above first communicating pipe (15), the top of the asepwirator pump (14) is in the external world It is connected, the asepwirator pump (14), exhaust pump (22) and controller (21) are electrically connected at rechargable power supplies (13), the gas Body detector (18), alarm (8) and display screen (10) are electrically connected at controller (21).

2. a kind of portable gas-detecting device according to claim 1, it is characterised in that：The Anti-slip handle (4) middle part offers card slot (12), and card slot (12) outer surface is wound with anti-skid cloth.

3. a kind of portable gas-detecting device according to claim 1, it is characterised in that：Several described first Escape pipe (16) and several gas detecting instruments (18) correspond in the vertical direction.

4. a kind of portable gas-detecting device according to claim 1, it is characterised in that：The asepwirator pump (14) It is certain amount of air pump with exhaust pump (22).