CN214794052U

CN214794052U - Workshop explosion-proof detection device

Info

Publication number: CN214794052U
Application number: CN202120874286.1U
Authority: CN
Inventors: 于少怡; 张伟
Original assignee: Tianjin Huade Explosion Proof Safety Testing Co ltd
Current assignee: Tianjin Huade Explosion Proof Safety Testing Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-19
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an explosion-proof detection device in workshop, including casing and first gas sensor subassembly, the inside of casing is provided with gas collection mechanism, gas collection mechanism is provided with the gas receiver including setting up at the inside process filter mechanism of casing, install the fan through the mount on the gas receiver, the inlet port of intercommunication casing is seted up at the gas receiver top, install inlet duct on the inlet port. The utility model discloses can drive the sliding block up-and-down motion through rotating the lead screw for whole detection device can detect the gas of co-altitude in the workshop, avoid the gas that the volume is lighter to float in the sky, produce and leak and examine, cause the potential safety hazard, the fan enters into the inside of gas storage tank with the gas of device outside through the admission line, after the filter screen filters, take into the inside of first detection jar through the gas supply line with the gas of gas storage tank inside, and begin to detect, whole device can reach the effect that detects the gas of co-altitude not.

Description

Workshop explosion-proof detection device

Technical Field

The utility model relates to an explosion-proof detection technology field specifically is an explosion-proof detection device in workshop.

Background

The explosion-proof combustible gas device is used in explosion-proof place, and is a gas detection equipment mounted in the explosive dangerous environment, and can convert the on-site combustible gas concentration into digital signal and transfer it into gas alarm controller positioned in safety zone so as to attain the goal of monitoring on-site combustible gas concentration. An explosive environment can occur. (e.g., combustible gas, dusty environment, oil refinery, petrochemical plant, gas station, etc.), an explosive gas atmosphere, a mixture of gas, vapor or a vaporous combustible substance and air, where after ignition, combustion will propagate throughout the environment of the unburned mixture. However, the gas explosion-proof detection device in the prior art cannot detect gases with different heights. Therefore, the explosion-proof detection device for the workshop is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a workshop explosion-proof detection device, which comprises a shell and a first gas sensor component, wherein the shell is internally provided with a gas collection mechanism, the gas collection mechanism comprises a gas storage tank arranged in the shell and arranged through a filter mechanism, a fan is arranged on the gas storage tank through a fixing frame, the top of the gas storage tank is provided with a gas inlet hole communicated with the shell, the gas inlet hole is provided with a gas inlet pipeline, the gas inlet end of the gas inlet pipeline is provided with a gas inlet head through an adjusting mechanism, the adjusting mechanism comprises a sliding block arranged on the gas inlet pipeline, the sliding block is in threaded connection with a lead screw, one end of the lead screw is provided with a support plate through a first bearing, the support plate is provided with a limiting rod, one end of the limiting rod penetrates through the sliding block and is provided with a limiting block, the limiting block is arranged at the other end of the lead screw through a second bearing, the gas storage tank is characterized in that a gas supply pipeline is installed at the bottom of the gas storage tank, a first detection tank fixed to the bottom of the inner wall of the shell is installed at a gas transmission end of the gas supply pipeline, and the first gas sensor assembly is arranged inside the first detection tank.

As a preferred technical scheme of the utility model, filtering mechanism is including setting up the filter screen at the gas storage tank inner wall, the one end of filter screen stretches out the casing and installs the baffle, the outside of baffle is provided with disassembly body, disassembly body is including installing first protective housing and the second protective housing at the casing outer wall, it is provided with the bolt that is used for connecting first protective housing and second protective housing to run through on the first protective housing.

As an optimized technical scheme of the utility model, the through-hole that supplies the filter screen to stretch out is seted up to the casing.

As an optimal technical scheme of the utility model, be provided with sealing rubber pad on the baffle.

As a preferred technical scheme of the utility model, first connecting pipe is installed to the bottom of first detection jar, the other end of first connecting pipe is provided with the second and detects the jar, the second detects the inside of jar and also installs the second gas sensor subassembly, the second is detected the bottom of jar and is installed the second connecting pipe, the other end of second connecting pipe is provided with the third and detects the jar, the inside that the third detected the jar is provided with the third gas sensor subassembly, all be provided with the air pump on first connecting pipe and the second connecting pipe.

As an optimized technical scheme of the utility model, first protective housing and second protective housing are corresponding.

As an optimal technical scheme of the utility model, the one end of lead screw is provided with the rotation handle.

As an optimized technical scheme of the utility model, first gas sensor subassembly, second gas sensor subassembly and third gas sensor subassembly comprise formaldehyde sensor, VOC gas sensor, dust concentration sensor respectively.

The utility model has the advantages that:

1. the during operation, because through the backup pad between lead screw and the gag lever post, sliding block and stopper are connected, so can drive the sliding block up-and-down motion through rotating the lead screw, make whole detection device can detect the gas of co-altitude in the workshop, avoid the gas that the volume is lighter to float in the sky, produce and leak and examine, cause the potential safety hazard, the fan enters into the inside of gas bomb with the gas of device outside through the admission line, after the filter screen filters, open the air pump, can take into the inside of first detection jar through the admission line with the gas of gas bomb inside, and begin to detect, whole device can reach the effect that detects the gas of co-altitude.

2. When the filter screen that sets up in the gas holder can filter and collect gas, gaseous subsidiary small particle, avoid when examining gas, disturb the testing result because gaseous subsidiary impurity, and avoided in impurity gets into the detection jar, pile up in the detection jar, inconvenient clearance, through unscrewing the bolt, but first protective housing second protective housing part, and can take the filter screen out from the middle, make things convenient for artifical periodic cleaning to the filter screen, prevent that the filter screen laying dust is too much, cause the mesh jam condition, lead to the gas collection effect variation.

One side of the first detection tank is connected with a second detection tank through a first connecting pipe, one side of the second detection tank is connected with a third detection tank through a second connecting pipe, an air pump is arranged on the first connecting pipe and the second connecting pipe, gas components detected by the first gas sensor assembly, the second gas sensor assembly and the third gas sensor assembly are different, and collected gas can be subjected to multiple explosion-proof detection in sequence.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the explosion-proof detection device for a workshop according to the present invention;

FIG. 2 is a schematic view of the internal structure of a workshop explosion-proof detection device of the present invention;

FIG. 3 is a partially enlarged schematic view of the explosion-proof detection device for a workshop according to the present invention;

fig. 4 is a partially enlarged schematic view of the workshop explosion-proof detection device of the present invention;

fig. 5 is a schematic view of a partial structure of an explosion-proof detection device for a workshop according to the present invention;

reference numerals: 1. a housing; 2. a gas collection mechanism; 201. a gas storage tank; 202. a fixed mount; 203. a fan; 204. an air inlet; 205. an air intake duct; 206. an air inlet head; 3. a filtering mechanism; 301. filtering with a screen; 302. a baffle plate; 4. an adjustment mechanism; 401. a slider; 402. a screw rod; 403. a first bearing; 404. a support plate; 405. a limiting rod; 406. a limiting block; 407. a second bearing; 408. a gas supply duct; 409. a first detection tank; 410. a first gas sensor assembly; 5. a disassembly mechanism; 501. a first protective case; 502. a second protective shell; 503. a bolt; 6. a first connecting pipe; 7. a second detection tank; 8. a second gas sensor assembly; 9. a second connecting pipe; 10. a third detection tank; 11. a third gas sensor assembly; 12. an air pump; 13. rotating the handle; 14. and sealing the rubber gasket.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model relates to an explosion-proof detection device for a workshop, which comprises a housing 1 and a first gas sensor component 410, wherein a gas collection mechanism 2 is arranged inside the housing 1, the gas collection mechanism 2 comprises a gas storage tank 201 arranged inside the housing 1 and provided with a filter mechanism 3, a fan 203 is installed on the gas storage tank 201 through a fixing frame 202, an air inlet 204 communicated with the housing 1 is arranged at the top of the gas storage tank 201, an air inlet pipe 205 is installed on the air inlet 204, an air inlet head 206 is installed at the air inlet end of the air inlet pipe 205 through an adjusting mechanism 4, the adjusting mechanism 4 comprises a sliding block 401 installed on the air inlet pipe 205, a lead screw 402 is connected to the lead screw 401 through a thread, a support plate 404 is arranged at one end of the lead screw 402 through a first bearing 403, a limit rod 405 is arranged on the support plate 404, sliding block 401 is run through to the one end of gag lever post 405 and stopper 406 is installed, the other end at lead screw 402 is installed through second bearing 407 to stopper 406, gas supply line 408 is installed to the bottom of gas storage box 201, gas supply line 408's gas transmission end is installed and is fixed the first detection jar 409 in casing 1 inner wall bottom, first gas sensor subassembly 410 sets up the inside at first detection jar 409.

Wherein, filtering mechanism 3 is including setting up filter screen 301 at the gas storage tank 201 inner wall, the one end of filter screen 301 stretches out casing 1 and installs baffle 302, the outside of baffle 302 is provided with detaching mechanism 5, detaching mechanism 5 is including installing first protective housing 501 and the second protective housing 502 at casing 1 outer wall, run through on the first protective housing 501 and be provided with the bolt 503 that is used for connecting first protective housing 501 and second protective housing 502, when the filter screen 301 that sets up in the gas storage tank 201 can filter the collection gas, the subsidiary tiny granule of gas, when avoiding examining gas, disturb the testing result because the subsidiary impurity of gas, and avoided in impurity gets into the detection jar, pile up in the detection jar, inconvenient clearance, through unscrewing bolt 503, can part first protective housing 501 second protective housing 502, and can take out filter screen 301 from the middle, make things convenient for manual work to regularly clear up filter screen 301, prevent that filter screen 301 laying dust is too much, cause the mesh jam condition, lead to the gas collection effect variation.

Wherein, the casing 1 is provided with a through hole for the filter screen 301 to extend out.

Wherein, the baffle 302 is provided with a sealing rubber pad 14, which prevents a gap from being generated between the baffle 302 and the casing 1, resulting in the fusion of the collected gas and the external gas.

Wherein, a first connecting pipe 6 is installed at the bottom of the first detecting tank 409, a second detecting tank 7 is arranged at the other end of the first connecting pipe 6, a second gas sensor component 8 is also installed inside the second detecting tank 7, a second connecting pipe 9 is installed at the bottom of the second detecting tank 7, a third detecting tank 10 is arranged at the other end of the second connecting pipe 9, a third gas sensor component 11 is arranged inside the third detecting tank 10, air pumps 12 are respectively arranged on the first connecting pipe 6 and the second connecting pipe 9, one side of the first detecting tank 409 is connected with the second detecting tank 7 through the first connecting pipe 6, one side of the second detecting tank 7 is connected with the third detecting tank 10 through the second connecting pipe 9, air pumps 12 are arranged on the first connecting pipe 6 and the second connecting pipe 9, and the gas components detected by the first gas sensor component 410, the second gas sensor component 8 and the third gas sensor component 11 are different, the collected gas can be subjected to various explosion-proof detections in turn.

Wherein the first protective shell 501 corresponds to the second protective shell 502.

Wherein, one end of the screw rod 402 is provided with a rotating handle 13.

Wherein, the first gas sensor assembly 410, the second gas sensor assembly 8 and the third gas sensor assembly 11 are respectively composed of a formaldehyde sensor, a VOC gas sensor and a dust concentration sensor.

When the gas detection device works, the screw rod 402 is connected with the limiting rod 405 through the supporting plate 404, the sliding block 401 is connected with the limiting block 406, the screw rod 402 can be rotated to drive the sliding block 401 to move up and down, so that the whole detection device can detect gases with different heights in a workshop, the situation that the gas with a lighter volume floats above the air to generate missing detection and cause potential safety hazards is avoided, the fan 203 enables the gas outside the device to enter the gas storage box 201 through the gas inlet pipeline 205, the gas outside the device is filtered by the filter screen 301, the air pump 12 is opened, the gas inside the gas storage box 201 can be pumped into the first detection tank 409 through the gas supply pipeline 408 and starts to be detected, the whole device can achieve the effect of detecting the gases with different heights, when the filter screen 301 arranged in the gas storage box 201 can filter and collect the gases, the tiny particles attached to the gases are avoided from being detected, the detection result is prevented from being interfered by the impurities attached to the gases, and avoided in impurity gets into the detection jar, pile up in the detection jar, inconvenient clearance, through unscrewing bolt 503, can part first protective housing 501 but second protective housing 502, and can take filter screen 301 out from the middle, make things convenient for the manual work to regularly clear up filter screen 301, prevent that filter screen 301 laying dust is too much, cause the mesh jam condition, lead to the gas collection effect to worsen, one side of first detection jar 409 is connected with second detection jar 7 through first connecting pipe 6, one side of second detection jar 7 is connected with third detection jar 10 through second connecting pipe 9, and be provided with air pump 12 on first connecting pipe 6 and the second connecting pipe 9, and first gas sensor subassembly 410, the gaseous composition that second gas sensor subassembly 8 and third gas sensor subassembly 11 detected is different, can carry out multiple explosion-proof detection with the gas of collecting in proper order.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The anti-explosion detection device for the workshop comprises a shell (1) and a first gas sensor assembly (410), and is characterized in that a gas collection mechanism (2) is arranged inside the shell (1), the gas collection mechanism (2) comprises a gas storage tank (201) which is arranged inside the shell (1) and is provided with a filter mechanism (3), a fan (203) is installed on the gas storage tank (201) through a fixing frame (202), a gas inlet hole (204) communicated with the shell (1) is formed in the top of the gas storage tank (201), a gas inlet pipeline (205) is installed on the gas inlet hole (204), a gas inlet head (206) is installed at the gas inlet end of the gas inlet pipeline (205) through an adjusting mechanism (4), the adjusting mechanism (4) comprises a sliding block (401) installed on the gas inlet pipeline (205), and a lead screw (402) is connected to the sliding block (401) through a thread, the one end of lead screw (402) runs through first bearing (403) and is provided with backup pad (404), set up gag lever post (405) on backup pad (404), the one end of gag lever post (405) runs through sliding block (401) and installs stopper (406), the other end at lead screw (402) is installed through second bearing (407) in stopper (406), gas supply line (408) are installed to the bottom of gas storage box (201), gas transmission end of gas supply line (408) is installed and is fixed first detection jar (409) in casing (1) inner wall bottom, first gas sensor subassembly (410) set up the inside at first detection jar (409).

2. The workshop explosion-proof detection device according to claim 1, wherein the filtering mechanism (3) comprises a filter screen (301) arranged on the inner wall of the gas storage tank (201), one end of the filter screen (301) extends out of the shell (1) and is provided with a baffle (302), a dismounting mechanism (5) is arranged outside the baffle (302), the dismounting mechanism (5) comprises a first protective shell (501) and a second protective shell (502) which are arranged on the outer wall of the shell (1), and a bolt (503) for connecting the first protective shell (501) and the second protective shell (502) penetrates through the first protective shell (501).

3. The workshop explosion-proof detection device according to claim 2, wherein the housing (1) is provided with a through hole for the filter screen (301) to extend out.

4. The explosion-proof detection device for workshops according to claim 2, characterized in that the baffle (302) is provided with a sealing rubber gasket (14).

5. The workshop explosion-proof detection device according to claim 1, wherein a first connecting pipe (6) is installed at the bottom of the first detection tank (409), a second detection tank (7) is arranged at the other end of the first connecting pipe (6), a second gas sensor assembly (8) is also installed inside the second detection tank (7), a second connecting pipe (9) is installed at the bottom of the second detection tank (7), a third detection tank (10) is arranged at the other end of the second connecting pipe (9), a third gas sensor assembly (11) is arranged inside the third detection tank (10), and air pumps (12) are respectively arranged on the first connecting pipe (6) and the second connecting pipe (9).

6. A workshop explosion-proof detection device according to claim 2, wherein the first protective shell (501) and the second protective shell (502) correspond.

7. The workshop explosion-proof detection device of claim 1, wherein one end of the screw rod (402) is provided with a rotating handle (13).

8. The workshop explosion-proof detection device according to claim 1, wherein the first gas sensor assembly (410), the second gas sensor assembly (8) and the third gas sensor assembly (11) are respectively composed of a formaldehyde sensor, a VOC gas sensor and a dust concentration sensor.