CN219560869U

CN219560869U - Combustible gas leak detector

Info

Publication number: CN219560869U
Application number: CN202320503985.4U
Authority: CN
Inventors: 麻金瑞
Original assignee: Henan Youyu Education Technology Co ltd
Current assignee: Henan Youyu Education Technology Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-08-22
Anticipated expiration: 2033-03-15

Abstract

The utility model relates to the technical field of combustible gas detection, in particular to a combustible gas leakage detector, which comprises a machine body, a sensor probe and a dust-proof device. The back of organism is provided with connecting slot, can dismantle with dust keeper through the connecting slot and be connected, is provided with dustproof hole in the dust keeper, and dustproof hole's both sides are provided with the tongue-and-groove, and sensor probe's both sides are provided with the tenon, and the tenon cooperatees with the tongue-and-groove, realizes sensor probe's stable placing and taking out to be provided with dust removal cotton in dustproof hole, help keeping sensor probe's cleanness. The utility model has simple and convenient use, can realize the protection and dust prevention of the sensor probe, is beneficial to ensuring the service life and the sensitivity of the sensor probe, and has the advantages that the dust prevention device is convenient to disassemble and clean, brings convenience to cleaning work and is beneficial to keeping the sensor probe clean.

Description

Combustible gas leak detector

Technical Field

The utility model relates to the technical field of flammable gas detection, in particular to a flammable gas leakage detector.

Background

The combustible gas is a substance which can be ignited and is in a gas state at normal temperature and pressure, such as hydrogen, acetylene, ethylene, ammonia, hydrogen sulfide and the like, is transported by a common pipeline when the gas is transported, such as natural gas commonly used in life, and is transported to various households by a gas pipe.

The flammable gas leak detector is a detector that responds to a single or multiple flammable gas concentrations; the combustible gas leak detector has two types of catalysis type and infrared optical type; the catalytic type is to measure the concentration of the combustible gas by utilizing the resistance change of the refractory metal platinum wire after heating, when the combustible gas enters the detector, oxidation reaction (flameless combustion) is caused on the surface of the platinum wire, the generated heat raises the temperature of the platinum wire, and the resistivity of the platinum wire changes; the infrared optics type is to detect hydrocarbon combustible gas in the field environment by utilizing the absorption principle of an infrared sensor through an infrared light source.

The sensor probe is particularly important in the using process of the combustible gas leak detector, whether detection is sensitive or not is directly related, dust can be stained on the sensor probe in the actual using process, and dust accumulation phenomenon can also occur on the sensor probe in the long-time placing process, so that in the using process, in order to avoid detection errors, the sensor probe needs to be cleaned from time to time, inconvenience is brought to the use, meanwhile, when the sensor probe is not used, the existing sensor probe lacks protection, damage occurs, loss is caused, therefore, the sensor probe can be protected after the use is finished, meanwhile, the dust accumulation of the sensor probe is avoided, and the combustible gas leak detector affecting the detection accuracy is the problem to be solved in the prior art.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a combustible gas leak detector so as to protect and prevent the sensor probe from dust when the sensor probe is not in use and prevent the sensor probe from being damaged and dust from depositing to influence the sensitivity.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the combustible gas leak detection instrument comprises an engine body and a sensor probe, wherein a dust-proof device is detachably arranged on the back of the engine body, a dust-proof hole is formed in the dust-proof device and matched with the sensor probe, mortises are formed in two sides of the dust-proof hole, tenons are arranged on two sides of the sensor probe, and the tenons are matched with the mortises.

Further, a hand-held part is arranged in the machine body, and anti-skid patterns are arranged on two sides of the hand-held part.

Further, a searchlight is arranged at the front end of the machine body, and the searchlight is connected with a searchlight switch.

Further, the back of organism be provided with the spread groove, be provided with the connecting block in the dust keeper, the connecting block can dismantle with the spread groove and be connected, the connecting block opposite side is connected with the fixed block, dustproof hole sets up in the fixed block.

Further, the inside wall both sides of spread groove be provided with the draw-in hole, be provided with the installation cavity in the dust keeper, be provided with the connecting plate in the installation cavity, the connecting plate middle part slip grafting has the guide bar, the guide bar both ends are fixed on the left and right sides wall of installation cavity, the connecting plate both ends outwards are provided with dop and button respectively, the dop is located the both sides of connecting block and cooperatees with the draw-in hole, the button is located the both sides of fixed block, the guide bar is equipped with the spring in the cover on one side that deviates from dop and button.

Further, dust-removing cotton is arranged in the dust-removing hole.

The utility model has the beneficial effects that: the sensor probe is simple and convenient to use, can realize protection and dust prevention of the sensor probe on one hand, is favorable for guaranteeing the service life and sensitivity of the sensor probe, and on the other hand, the dust prevention device is convenient to detach and clean, brings convenience for cleaning work, and is also favorable for keeping the cleanness of the sensor probe.

Drawings

FIG. 1 is a schematic view (front view) of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of the present utility model (rear view);

FIG. 3 is a schematic view of the structure of the connecting groove of the present utility model;

FIG. 4 is a schematic view of the dust-proof device of the present utility model;

FIG. 5 is a schematic cross-sectional view of a dust-proof device of the present utility model;

fig. 6 is a schematic view of the mounting structure of the connecting plate of the present utility model.

Name corresponding to each label in the figure:

1. a body; 11. a display; 12. operating a button; 121. a searchlight switch; 13. a hand-held part; 14. anti-skid lines; 15. a charging interface; 16. a metal hose; 17. a searchlight; 18. a connecting groove; 181. a clamping hole; 2. a sensor probe; 21. a tenon; 3. a dust-proof device; 31. a connecting block; 32. a fixed block; 33. a dust hole; 331. a tongue and groove; 332. dust removing cotton; 34. a mounting cavity; 341. a connecting plate; 342. a chuck; 343. a guide rod; 344. a spring; 345. a button.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Embodiments of the utility model:

as shown in fig. 1 to 6, in this embodiment, an organism 1 is provided, a display 11 is provided above the organism 1, an operation button 12 is provided below the display 11, the operation button 12 includes a searchlight switch 121, a handheld portion 12 is provided below the organism 1, anti-slip threads 14 are provided on both sides of the handheld portion 13, a charging interface 15 is provided on one side of the organism 1, the organism 1 is connected with a sensor probe 2 and provided with a metal hose 16 on a connecting line, a searchlight 17 is provided at the front end of the organism 1, a connecting slot 18 is provided on the back of the organism 1, detachably connected with a dust-proof device 3 through the connecting slot 18, a connecting block 31 is provided in the dust-proof device 3, the connecting block 31 is detachably connected with the connecting slot 18, the other side of the connecting block 31 is connected with a fixed block 32, a dust-proof hole 33 is provided in the fixed block 32, a dust-proof cotton 332 is provided in the dust-proof hole 33, a slot 331 is provided on both sides of the dust-proof hole 33, a tenon 21 is provided on both sides of the sensor probe 2, and the tenon 21 is matched with a tenon 331.

The dustproof device 3 is provided with a mounting cavity 34, a connecting plate 341 is arranged in the mounting cavity 34, the middle part of the connecting plate 341 is connected with a guide rod 343, two sides of the connecting plate 341 are outwards connected with a clamping head 342 and a button 345 respectively, the clamping head 342 is matched with a clamping hole 181 in the connecting groove 18, and a spring 344 is sleeved on one side of the guide rod 343, which is away from the clamping head 342 and the button 345.

The principle of the utility model is as follows:

when the utility model is used, the sensor probe 2 is firstly taken out from the dust-proof device 3, the sensor probe 2 is rotated in the process, so that the tenon 21 rotates in the tenon groove 331, when the sensor probe 2 rotates to the opening position of the tenon groove 331, the sensor probe 2 is lifted upwards, and the metal hose 16 in a dry living city is arranged, so that the sensor probe 2 has a certain rotation space, and the placement and the taking out of the sensor probe 2 can be realized.

After the sensor probe 2 is taken out, the leak detector can be started, the sensor probe 2 is placed at the joint of the combustible gas pipeline, the detection of the combustible gas can be realized, and when light is darker, the searchlight 17 can be started through the searchlight switch 121, so that the detection is convenient to observe, the working steps and the working principle of the existing combustible gas detection device are quite mature, and the redundant description is omitted.

After the leak detector is used, the sensor probe 2 is placed back into the dust-proof device 3, the process is basically the same as the extraction process, and the process is not repeated, so that the protection and dust prevention of the sensor probe 2 are realized, dust removal cotton 332 is arranged, dust on the sensor probe 2 in the use process can be cleaned, dust can be stained in the dust-proof device 3 after the leak detector is used for a long time, the sensor probe 2 is affected, the dust-proof device 3 is required to be cleaned at the moment, buttons 345 on two sides of the fixed block 32 are pressed in the process, then clamping heads 342 linked with the buttons are moved out of the clamping holes 181, the fixed block 32 is pulled outwards at the moment to extract the dust-proof device 3, then the dust-proof device 3 can be cleaned, the dust removal cotton 332 is padded in the dust-proof holes 33, the dust removal cotton 332 is taken out for cleaning, the dust removal cotton 332 is dried after the dust removal is finished, the dust removal cotton is pressed back, the buttons 345 are pressed at the moment, and the dust-proof device 3 is arranged in the connecting groove 18.

Claims

1. The utility model provides a flammable gas leak detector, includes organism (1) and sensor probe (2), its characterized in that: the back of the machine body (1) is detachably provided with a dustproof device (3), a dustproof hole (33) is formed in the dustproof device (3), the dustproof hole (33) is matched with the sensor probe (2), mortises (331) are formed in two sides of the dustproof hole (33), tenons (21) are arranged on two sides of the sensor probe (2), and the tenons (21) are matched with the mortises (331).

2. The combustible gas leak detector of claim 1 wherein: the machine body (1) is provided with a handheld part (13), and anti-skid patterns (14) are arranged on two sides of the handheld part (13).

3. The combustible gas leak detector of claim 1 wherein: the front end of the machine body (1) is provided with a searchlight (17), and the searchlight (17) is connected with a searchlight switch (121).

4. The combustible gas leak detector of claim 1 wherein: the back of organism (1) be provided with spread groove (18), be provided with connecting block (31) in dust keeper (3), connecting block (31) are connected with spread groove (18) can be dismantled, connecting block (31) opposite side is connected with fixed block (32), dustproof hole (33) set up in fixed block (32).

5. The combustible gas leak detector of claim 4 wherein: the utility model discloses a dust-proof device, including connecting groove (18), connecting groove, connecting plate (341), connecting plate (343), clamping hole (181) are arranged on both sides of the inner wall of connecting groove (18), be provided with installation cavity (34) in dust-proof device (3), be provided with connecting plate (341) in installation cavity (34), sliding grafting in the middle part of connecting plate (341) has guide bar (343), guide bar (343) both ends are fixed on the left and right sides wall of installation cavity (34), connecting plate (341) both ends outwards are provided with dop (342) and button (345) respectively, dop (342) are located the both sides of connecting block (31) and cooperate with clamping hole (181), button (345) are located the both sides of fixed block (32), guide bar (343) are equipped with spring (344) in the cover on one side that deviates from dop (342) and button (345).

6. The combustible gas leak detector of claim 1 wherein: dust removing cotton (332) is arranged in the dust preventing hole (33) in a filling way.