CN219285185U

CN219285185U - Sensitivity detection device for gas leakage alarm

Info

Publication number: CN219285185U
Application number: CN202223391224.9U
Authority: CN
Inventors: 田年慧
Original assignee: Jinrun Wuhan Gas Technology Co ltd
Current assignee: Jinrun Wuhan Gas Technology Co ltd
Priority date: 2022-12-18
Filing date: 2022-12-18
Publication date: 2023-06-30
Anticipated expiration: 2032-12-18

Abstract

The utility model provides a sensitivity detection device of a fuel gas leakage alarm, which relates to the technical field of fuel gas leakage alarms and comprises the following components: the detection device comprises a workbench, a detection box is fixedly arranged at the top of the workbench, a fixing table is fixedly arranged at the top of the workbench, an electric telescopic rod is fixedly inserted into one side of the outer wall of the fixing table, the output end of the electric telescopic rod penetrates through one side of the inner wall of the detection box, a supporting plate is fixedly arranged at the output end of the electric telescopic rod, a sealing block is fixedly arranged on one side of the outer wall of the supporting plate, if an alarm body is required to be detected in spaces with different volumes, the electric telescopic rod is only required to be started, the sealing block is driven to move inside the detection box under the action of the electric telescopic rod, and after the movement is finished, the sealing block can form a new volume space with the inside of the detection box, so that the effect of changing the size of the detection space is achieved, and the detection efficiency of the alarm body by the device is improved.

Description

Sensitivity detection device for gas leakage alarm

Technical Field

The utility model relates to the technical field of gas leakage alarms, in particular to a sensitivity detection device of a gas leakage alarm.

Background

The gas leakage alarm is very important gas safety equipment, which is the last protection of safe use of urban gas, detects low-concentration combustible gas in the surrounding environment through a gas sensor, generates chemical reaction or electrochemical reaction on the surface of the sensor through a sampling circuit, causes the change of the electro-physical characteristics of the sensor, can be used independently, can be used in connection with control networking, can also be connected with an exhaust fan, an electromagnetic valve, an audible and visual alarm and automatic reset, and has a working power supply of 220VAC.

Currently, as chinese patent application No. CN212719240U discloses a gas supply mechanism of gas leakage alarm sensitivity detection device, it includes the bottom plate, control switch, the supporting leg, detection case and retaining member, through having set up auxiliary adjustment device in the detection incasement portion, start slewing mechanism through control switch, slewing mechanism drives the connecting piece and rotate, the connecting piece drives the shell and rotates, make gas discharge into the detection incasement through different through-holes, reach the effect of supplementary regulation gas emission, through having set up slewing mechanism in the middle part in the shell, start servo motor through control switch, servo motor drives incomplete disc and rotates, make the slider slide-in rotate the inslot, drive simultaneously and rotate the piece, the piece drives the connecting piece and rotates, the connecting piece rotates through spout drive shell, reach drive shell pivoted effect, this device convenient to use easy operation, the effectual detection efficiency that has improved.

Although the above patent drives the connecting piece through slewing mechanism and rotates, makes the gas discharge into the detection case through different through-holes, reaches the effect of supplementary regulation gas emission, still has some not enough, for example the device detect the inside volume of case be fixed, still need put the alarm in the case of different volumes and detect when detecting gas leakage alarm sensitivity, it is very inconvenient in taking out and put into, consequently, need put forward a novel gas leakage alarm sensitivity detection device.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the volume inside a detection box is fixed, if the sensitivity of a gas leakage alarm is detected, the alarm is required to be placed in boxes with different volumes for detection, the detection box is inconvenient to take out and put in, and when the alarm is required to be measured in spaces with different volumes, the detection volume inside the detection box is only required to be adjusted by moving the position of the sealing block, so that the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a gas leak alarm sensitivity detection device comprising: the automatic detection device comprises a workbench, a detection box is fixedly arranged at the top of the workbench, a fixing table is fixedly arranged at the top of the workbench, an electric telescopic rod is fixedly inserted into one side of the outer wall of the fixing table, the output end of the electric telescopic rod penetrates through one side of the inner wall of the detection box, a supporting plate is fixedly arranged at the output end of the electric telescopic rod, a sealing block is fixedly arranged on one side of the outer wall of the supporting plate, the outer surface wall of the sealing block is movably inserted into the inner surface wall of the detection box, a supporting frame is fixedly arranged on one side of the outer wall of the sealing block, and an alarm body is placed on the inner surface wall of the supporting frame.

Preferably, the inner wall of detection case one side fixedly communicates there is the air supply pipe, the input of air supply pipe fixedly communicates there is the gas pitcher, is convenient for through opening the gas pitcher, lets the gas pass through the air supply pipe and carries the detection incasement.

Preferably, the inner wall one side of detection case has seted up the case mouth, the interior table wall activity of case mouth has inserted the closing plate, and the operating personnel of being convenient for can change or take out detection incasement alarm body through the case mouth, and the closing plate can seal the case mouth simultaneously, prevents that the case mouth from having the space, influences the detection.

Preferably, the baffle is fixedly arranged on one side of the outer wall of the sealing plate, the handle is welded on one side of the outer wall of the baffle, and an operator can conveniently take out the sealing plate from the outside of the box opening through the handle.

Preferably, a ventilation pipe is fixedly communicated with one side of the inner wall of the detection box, a fan is fixedly arranged on the inner surface wall of the ventilation pipe, and residual fuel gas in the detection box can be discharged out of the detection box through suction generated by rotation of the fan.

Preferably, four support columns are fixedly arranged at the bottom of the workbench, and anti-slip rubber is fixedly sleeved on the outer surface walls of the four support columns, so that the workbench is conveniently fixed on the ground.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, after the alarm body is placed on the support frame, the sensitivity of the alarm body can be detected by conveying fuel gas into the detection box, if the alarm body is required to be detected in spaces with different volumes, only the electric telescopic rod is required to be started, the sealing block is driven to move in the detection box under the action of the electric telescopic rod, and after the movement is finished, the sealing block and the detection box form a new volume space, so that the effect of changing the size of the detection space is achieved, and the detection efficiency of the device on the alarm body is improved.

2. According to the utility model, the box opening and the sealing plate are arranged, so that the box opening can be blocked when the alarm body is detected, most of fuel gas is prevented from being diffused out of the detection box through the box opening when the fuel gas is conveyed, an operator can take out the alarm body through the box opening, the convenience of the device is improved, meanwhile, the ventilation pipe and the fan are arranged, the suction force is generated by starting the fan after the detection is finished, and the fuel gas in the detection box is discharged out of the detection box.

Drawings

FIG. 1 is a perspective view of a front view structure of a sensitivity detection device of a gas leakage alarm device according to the present utility model;

FIG. 2 is a perspective view of an inner side structure of another view angle of a sensitivity detection device of a gas leakage alarm according to the present utility model;

FIG. 3 is a perspective view of a cross-sectional structure of the top of a tank in a sensitivity detection device for a gas leakage alarm according to the present utility model;

fig. 4 is a perspective view showing a sectional structure of the inside of a case in the sensitivity detecting device for a gas leakage alarm according to the present utility model.

Legend description: 1. a work table; 2. a detection box; 3. a fixed table; 4. an electric telescopic rod; 5. a support plate; 6. a sealing block; 7. a support frame; 8. an alarm body; 9. an air supply pipe; 10. a gas tank; 11. a box opening; 12. a sealing plate; 13. a baffle; 14. a handle; 15. a ventilation pipe; 16. a fan; 17. a support column; 18. an anti-slip rubber.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In embodiment 1, as shown in fig. 1-3, the utility model provides a sensitivity detection device of a gas leakage alarm, which comprises a workbench 1, wherein a detection box 2 is fixedly arranged at the top of the workbench 1, a fixed table 3 is fixedly arranged at the top of the workbench 1, an electric telescopic rod 4 is fixedly inserted at one side of the outer wall of the fixed table 3, the output end of the electric telescopic rod 4 penetrates through one side of the inner wall of the detection box 2, a supporting plate 5 is fixedly arranged at the output end of the electric telescopic rod 4, a sealing block 6 is fixedly arranged at one side of the outer wall of the supporting plate 5, the outer surface wall of the sealing block 6 is movably inserted into the inner surface wall of the detection box 2, a supporting frame 7 is fixedly arranged at one side of the outer wall of the sealing block 6, and an alarm body 8 is arranged on the inner surface wall of the supporting frame 7.

The effect that its whole embodiment 1 reaches is, put alarm body 8 on support frame 7 after, can carry the gas to detect the inside of detection case 2 and carry alarm body 8 sensitivity detection, if need detect alarm body 8 in the space of different volumes, only need start electric telescopic handle 4, drive sealing block 6 and remove in detection case 2 inside under electric telescopic handle 4's effect, after removing, sealing block 6 can form the space of new volume with detection case 2 inside to reach the effect of changing the detection space size, improved the detection efficiency of device to alarm body 8.

In embodiment 2, as shown in fig. 1-4, an air supply pipe 9 is fixedly connected to one side of the inner wall of the detection box 2, a gas tank 10 is fixedly connected to the input end of the air supply pipe 9, a box opening 11 is formed in one side of the inner wall of the detection box 2, a sealing plate 12 is movably inserted into the inner surface wall of the box opening 11, a baffle 13 is fixedly mounted on one side of the outer wall of the sealing plate 12, a handle 14 is welded on one side of the outer wall of the baffle 13, a ventilation pipe 15 is fixedly connected to one side of the inner wall of the detection box 2, a fan 16 is fixedly mounted on the inner surface wall of the ventilation pipe 15, four support columns 17 are fixedly mounted at the bottom of the workbench 1, and anti-slip rubber 18 is fixedly sleeved on the outer surface walls of the four support columns 17.

The effect that its whole embodiment 2 reached is, through setting up case mouth 11 and closing plate 12, be convenient for when detecting alarm body 8, can let to block up case mouth 11, and most gas can diffuse out detection case 2 outside through case mouth 11 when preventing that the gas from carrying to operating personnel can take out alarm body 8 through case mouth 11, has improved the convenience of device, sets up ventilation pipe 15 and fan 16 simultaneously, is convenient for detect the completion back, produces the suction through opening fan 16, will detect the inside gas discharge detection case 2 outside of case 2.

The working principle of the whole device is as follows: firstly, the gas tank 10 is opened, the gas is conveyed to the inside of the detection box 2 through the gas supply pipe 9 under the action of the gas tank 10, the alarm time of the alarm body 8 is checked along with the conveying of the gas, so that the sensitivity of the alarm body 8 is calculated according to the alarm time, the size of the inner volume of the detection box 2 and the conveying speed of the gas tank 10, after detection is finished, the handle 14 is held firstly to pull out the sealing plate 12 on the baffle 13 from the box opening 11, the air circulation in the detection box 2 is ensured, then the fan 16 is started, the residual gas in the detection box 2 is discharged out of the detection box 2 through the ventilation pipe 15 under the action of the fan 16, if the alarm body 8 needs to be replaced, an operator can directly take out the alarm body 8 from the support frame 7 through the box opening 11 and replace the alarm body, if the sensitivity of the alarm body 8 in the space of different volumes needs to be measured, then the electric telescopic rod 4 is started, the support plate 5 and the sealing block 6 are driven to move in the detection box 2 under the action of the electric telescopic rod 4, the whole device is adjusted in the detection box 2 through the sealing block 6, and the whole volume of the detection box 8 is adjusted, and the whole device is prevented from being placed in the detection box 17, and the whole device is prevented from being placed in the space is required to be replaced, and the detection box is prevented from being replaced, and the whole device is prevented from being in the space is replaced, and the space is replaced by the device is protected.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A sensitivity detection device of a fuel gas leakage alarm is characterized in that: including workstation (1), the top fixed mounting of workstation (1) has detection case (2), the top fixed mounting of workstation (1) has fixed station (3), the outer wall one side fixed insertion of fixed station (3) is equipped with electric telescopic handle (4), and the output of electric telescopic handle (4) runs through inner wall one side of detection case (2), the output fixed mounting of electric telescopic handle (4) has backup pad (5), outer wall one side fixed mounting of backup pad (5) has sealing block (6), and the outward appearance wall activity of sealing block (6) is inserted and is established at the interior table wall of detection case (2), outer wall one side fixed mounting of sealing block (6) has support frame (7), alarm body (8) have been placed to the interior table wall of support frame (7).

2. The sensitivity detection device for a gas leakage alarm according to claim 1, wherein: an air supply pipe (9) is fixedly communicated with one side of the inner wall of the detection box (2), and a gas tank (10) is fixedly communicated with the input end of the air supply pipe (9).

3. The sensitivity detection device for a gas leakage alarm according to claim 1, wherein: a box opening (11) is formed in one side of the inner wall of the detection box (2), and a sealing plate (12) is movably inserted into the inner surface wall of the box opening (11).

4. A gas leakage alarm sensitivity detection device according to claim 3, wherein: a baffle plate (13) is fixedly arranged on one side of the outer wall of the sealing plate (12), and a handle (14) is welded on one side of the outer wall of the baffle plate (13).

5. The sensitivity detection device for a gas leakage alarm according to claim 1, wherein: and one side of the inner wall of the detection box (2) is fixedly communicated with a ventilation pipe (15), and a fan (16) is fixedly arranged on the inner surface wall of the ventilation pipe (15).

6. The sensitivity detection device for a gas leakage alarm according to claim 1, wherein: four support columns (17) are fixedly arranged at the bottom of the workbench (1), and anti-slip rubber (18) is fixedly sleeved on the outer surface walls of the four support columns (17).