CN215339137U

CN215339137U - Pump suction type multi-parameter gas detection device

Info

Publication number: CN215339137U
Application number: CN202121676744.7U
Authority: CN
Inventors: 肖石连
Original assignee: Zhuhai Sichuang Wulian Technology Co ltd
Current assignee: Zhuhai Sichuang Wulian Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-12-28
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to the technical field of gas detection devices, in particular to a pump-suction type multi-parameter gas detection device which comprises an installation chassis, wherein an air chamber box is fixed on one side of the upper surface of the installation chassis, a storage battery is fixed on the front side surface of the air chamber box, a switch is fixed on the upper surface of the air chamber box, the switch and the storage battery are electrically connected, the side surface of the air chamber box is communicated with a pipe sleeve, and an air pump is fixed on one side, located on the air chamber box, of the upper surface of the installation chassis. The utility model realizes the timeliness and real-time monitoring of underground pipeline gas detection, and simultaneously, the traditional MCU control module is replaced by the NB-loT module in the device, so that the device can communicate with the underground pipeline gas detection module and can also perform MCU control action, thereby saving the cost to a certain extent and greatly meeting the requirements in practical use. And inside being provided with LORA networking module in the device carries out the network deployment in the pit, can constitute a network with a plurality of gas monitoring module in the pit, can carry out the multiple spot monitoring.

Description

Pump suction type multi-parameter gas detection device

Technical Field

The utility model relates to the technical field of gas detection devices, in particular to a pump-suction type multi-parameter gas detection device.

Background

In underground piping, like natural gas or power pipeline, need regularly carry out intraductal gas detection, common detection means is very troublesome, traditional detection method is through carrying out the gaseous sampling of pipeline, then bring back the laboratory and detect the analysis, do not have the promptness, perhaps through artifical handheld detector, carry out on-the-spot gas detection, also can not play the monitoring effect often, consequently no matter detect through the sampling or the mode that handheld device detected can not satisfy actual needs, in view of this, we propose the gaseous detection device of pump suction formula multiparameter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pump suction type multi-parameter gas detection device, which solves the problem that the existing modes of detecting pipeline gas through sampling detection or handheld equipment, which are proposed in the background art, cannot meet the actual requirements.

In order to achieve the purpose, the utility model provides the following technical scheme: the pump suction type multi-parameter gas detection device comprises an installation chassis, wherein an air chamber box is fixed on one side of the upper surface of the installation chassis, a storage battery is fixed on the front side surface of the air chamber box, a switch is fixed on the upper surface of the air chamber box, the switch and the storage battery are electrically connected, the side surface of the air chamber box is communicated with a pipe sleeve, an air pump is fixed on one side of the air chamber box on the upper surface of the installation chassis, one side surface of the air pump, which is close to the air chamber box, is communicated with a connecting pipe, the connecting pipe is communicated with the inside of the pipe sleeve, a filter box is fixed on one side of the air pump on the upper surface of the installation chassis, one side surface of the air pump, which is close to the filter box, is communicated with an air guide pipe, and is connected with the filter box, and the surface of the filter box, which is originally away from one side of the air pump, is communicated with the air guide pipe.

Preferably, the surface of the top wall in the air chamber box is fixed with a mounting seat, two sensors are symmetrically fixed on the lower surface of the mounting seat, the lower surfaces of the sensors are respectively and electrically connected with an infrared detection module and an electrochemical reaction detection module, a connecting hole is formed in the surface of the side wall, close to one side of the air pump, of the air chamber box, and the connecting hole is communicated with the inside of the pipe sleeve.

Preferably, the side wall of the air chamber box and the connecting hole are symmetrically provided with through holes, the through holes are communicated with the inside of the air chamber box, and a gas one-way valve is fixedly arranged in the through holes.

Preferably, the inside fixed mounting of pipe box has the inner tube stop collar, the side surface symmetry that the inner tube stop collar is close to the air chamber box has opened two mounting holes, two the mounting hole bottom surface all is fixed with the telescopic link, two the telescopic link tip all is fixed with same mounting panel, the telescopic link surface all overlaps and is equipped with the spring, and two tip of spring correspond fixed connection with mounting hole bottom surface and mounting panel side surface respectively, the side surface that the mounting panel is close to the inner tube stop collar is fixed with the piston, and piston and the cooperation of inner tube stop collar inner wall surface extrusion block.

Preferably, the filter box is internally provided with an air guide hole, the air receiving pipe is communicated with the air guide pipe through the air guide hole, the upper surface of the filter box is provided with a sliding groove, the sliding groove is internally clamped and inserted with an installation frame, and the installation frame is internally fixed with a filter screen.

Preferably, an LORA underground networking module is fixed on the upper surface of the air chamber box at the rear side of the switch, an NB-loT module is fixed on the upper surface of the air chamber box at the rear side of the LORA underground networking module, and the NB-loT module is electrically connected with the LORA underground networking module.

Compared with the prior art, the utility model has the beneficial effects that:

in the device, gas is introduced into the gas chamber box through the gas pump, all the gas in the gas chamber box is subjected to reaction detection through the infrared detection module and the electrochemical reaction detection module, and a result is obtained, the sensor transmits signals to the NB-loT module, the NB-loT module transmits signals to the monitoring background through the LORA underground networking module, thereby facilitating the recording and checking of managers, solving the problem that the existing modes of pipeline gas detection through sampling detection or handheld equipment cannot meet the actual requirements to a certain extent, furthermore, the device realizes the timeliness and real-time monitoring of the gas detection of the underground pipeline, and simultaneously, the traditional MCU control module is replaced by an NB-loT module, can be used for communication and MCU control, thereby saving the cost to a certain extent and greatly meeting the requirements in actual use. And inside being provided with LORA networking module in the device carries out the network deployment in the pit, can constitute a network with a plurality of gas monitoring module in the pit, can carry out the multiple spot monitoring.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the gas cell case of the present invention;

FIG. 3 is a cross-sectional view of a pipe sleeve structure according to the present invention;

FIG. 4 is a cross-sectional view of the interior of the filter cassette construction of the present invention;

FIG. 5 is a schematic diagram of the electrical connection of the present invention.

In the figure: 1. installing a chassis; 2. an air chamber box; 201. a mounting seat; 202. a sensor; 203. an infrared detection module; 204. an electrochemical reaction detection module; 205. a through hole; 206. a gas check valve; 207. connecting holes; 3. a storage battery; 4. an NB-loT module; 5. a switch; 6. an LORA downhole networking module; 7. pipe sleeve; 701. an inner pipe limiting sleeve; 702. mounting holes; 703. a telescopic rod; 704. a spring; 705. mounting a plate; 706. a piston; 8. an air pump; 801. an air duct; 802. a connecting pipe; 9. a filter cartridge; 901. an air vent; 902. a sliding groove; 903. a mounting frame; 904. a filter screen; 10. a gas receiving pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown:

the pump-suction type multi-parameter gas detection device comprises an installation chassis 1, wherein a gas chamber box 2 is fixed on one side of the upper surface of the installation chassis 1, a storage battery 3 is fixed on the front side surface of the air chamber box 2, a switch 5 is fixed on the upper surface of the air chamber box 2, and the switch 5 is electrically connected with the storage battery 3, the side surface of the air chamber box 2 is communicated and connected with a pipe sleeve 7, an air pump 8 is fixed on the upper surface of the mounting chassis 1 at one side of the air chamber box 2, the surface of one side of the air pump 8 close to the air chamber box 2 is communicated with a connecting pipe 802, the connecting pipe 802 is communicated and connected with the inside of the pipe sleeve 7, the filter box 9 is fixed on one side of the upper surface of the mounting base plate 1, which is positioned at the air pump 8, the surface of one side of the air pump 8, which is close to the filter box 9, is communicated and connected with the air duct 801, the air duct 801 is communicated with the filter box 9, and the surface of the filter box 9, which is originally away from the air pump 8, is communicated with the air receiving pipe 10;

further, a mounting seat 201 is fixed on the surface of the top wall inside the air chamber box 2, two sensors 202 are symmetrically fixed on the lower surface of the mounting seat 201, the lower surfaces of the two sensors 202 are electrically connected with an infrared detection module 203 and an electrochemical reaction detection module 204 respectively, a connecting hole 207 is formed in the surface of the side wall of the air chamber box 2 close to the air pump 8, the connecting hole 207 is communicated with the inside of the pipe sleeve 7, enters the inside of the air chamber box 2 through an inner pipe limiting sleeve 701, and a result is detected through the reaction of the infrared detection module 203 and the electrochemical reaction detection module 204;

furthermore, through holes 205 are formed in the side wall of the gas chamber box 2 and at positions symmetrical to the connecting holes 207, the through holes 205 are communicated with the inside of the gas chamber box 2, a gas one-way valve 206 is fixedly installed in the through holes 205, and redundant gas in the gas chamber box 2 can be discharged to the outside through the gas one-way valve 206, so that the risk of explosion caused by the increase of the internal pressure of the gas chamber box 2 is effectively prevented;

further, an inner tube position limiting sleeve 701 is fixedly installed inside the tube sleeve 7, two installation holes 702 are symmetrically formed in the side surface of the inner tube position limiting sleeve 701 close to the air chamber box 2, telescopic rods 703 are fixed on the bottom surfaces of the two installation holes 702, the same installation plate 705 is fixed on the end portions of the two telescopic rods 703, a spring 704 is sleeved on the outer surface of each telescopic rod 703, the two end portions of the spring 704 are fixedly connected with the bottom surfaces of the installation holes 702 and the side surface of the installation plate 705 correspondingly, a piston 706 is fixed on the side surface of the installation plate 705 close to the inner tube position limiting sleeve 701, the piston 706 is in press fit with the inner wall surface of the inner tube position limiting sleeve 701, the air pressure inside the connection tube 802 is increased, the piston 706 and the installation plate 705 are pushed to be integrated, the piston 706 and the installation plate 705 are pressed integrally, the elastic force of the spring 704 is overcome, the elastic force of the piston 706 moves to the other side, the side surface of the piston 706 is separated from the inner wall surface of the inner tube position limiting sleeve 701 to leave a space, when the air pump 8 stops working, the internal pressure of the inner tube limiting sleeve 701 and the connecting pipe 802 is reduced, and the piston 706 and the mounting plate 705 are driven to integrally move and reset under the elastic action of the spring 704, so that the outer surface of the piston 706 is clamped into the inner tube limiting sleeve 701, and a good plugging effect is achieved;

further, an air guide hole 901 is formed in the filter box 9, the air receiving pipe 10 is communicated with the air guide pipe 801 through the air guide hole 901, a sliding groove 902 is formed in the upper surface of the filter box 9, an installation frame 903 is inserted in the sliding groove 902 in a clamping manner, a filter screen 904 is fixed in the installation frame 903, the installation frame 903 can be pulled out of the sliding groove 902 upwards regularly, the filter screen 904 can be cleaned conveniently, and the air guide hole 901 is effectively prevented from being blocked;

further, the rear side that the upper surface of gas chamber box 2 is located switch 5 is fixed with LORA networking module 6 in the pit, the rear side that the upper surface of gas chamber box 2 is located LORA networking module 6 in the pit is fixed with NB-loT module 4, and electric connection between NB-loT module 4 and LORA networking module 6 in the pit, sensor 202 is with signal transmission to NB-loT module 4, NB-loT module 4 sends the signal to the monitoring backstage through LORA networking module 6 in the pit, makes things convenient for managers to take notes and look over.

The working principle is as follows: when gas detection is carried out in the underground pipeline, the gas receiving pipe 10 is communicated with the underground pipeline branch pipe, the storage battery 3 can supply power for the whole device to ensure the normal operation of the device, the whole device is started to carry out detection operation by pressing the switch 5, the air pump 8 works to form negative pressure, the gas in the gas receiving pipe 10 can be guided into the gas guide hole 901 in the filter box 9, the gas can be guided into the air pump 8 and the connecting pipe 802 through the gas guide pipe 801 after being filtered by the filter screen 904, the gas can push the piston 706 and the mounting plate 705 to be integrated due to the increase of the internal gas pressure of the connecting pipe 802, the piston 706 and the mounting plate 705 are integrally pressed to overcome the elastic force of the spring 704 and move to the other side, the side surface of the piston 706 is separated from the inner wall surface of the inner pipe limiting sleeve 701 and a space is reserved, at the moment, the gas enters the inner part of the gas chamber box 2 through the inner pipe limiting sleeve 701, and the reaction detection result of the infrared detection module 203 and the electrochemical reaction detection module 204 is detected, the sensor 202 transmits signals to the NB-loT module 4, the NB-loT module 4 transmits signals to the monitoring background through the LORA downhole networking module 6, so that the management personnel can record and check the signals conveniently, when the air pump 8 stops working, the internal pressure of the inner pipe limiting sleeve 701 and the connecting pipe 802 is reduced, under the elastic action of the spring 704, the piston 706 and the mounting plate 705 are driven to integrally move and reset, so that the outer surface of the piston 706 is clamped in the inner tube limiting sleeve 701 to play a good plugging role, meanwhile, when the internal pressure of the air chamber box 2 is too high, the redundant air in the air chamber box 2 can be discharged to the outside through the air one-way valve 206, thereby effectively preventing the danger of explosion caused by the increase of the internal air pressure of the air chamber box 2, meanwhile, the mounting frame 903 can be pulled out from the inside of the sliding groove 902 periodically and upwards, the filter screen 904 is cleaned conveniently, and the blockage of the air guide hole 901 is effectively prevented.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Pump suction formula multi-parameter gas detection device, including installation chassis (1), its characterized in that: the air-conditioning device is characterized in that an air chamber box (2) is fixed on one side of the upper surface of the installation chassis (1), a storage battery (3) is fixed on the front side surface of the air chamber box (2), a switch (5) is fixed on the upper surface of the air chamber box (2), the switch (5) and the storage battery (3) are electrically connected, a pipe sleeve (7) is communicated with the side surface of the air chamber box (2), an air pump (8) is fixed on one side of the air chamber box (2) on the upper surface of the installation chassis (1), a connecting pipe (802) is communicated with the surface of one side, close to the air chamber box (2), of the air pump (8), the connecting pipe (802) is communicated with the interior of the pipe sleeve (7), a filter box (9) is fixed on one side, close to the air pump (8), of the surface of one side, close to the filter box (9), of the air pump (8), and an air duct (801) is communicated with the surface, the air duct (801) is communicated with the filter box (9), and the surface of the filter box (9) which is originally away from the air pump (8) is communicated with the air connecting pipe (10).

2. The pump-suction multiparameter gas detecting device according to claim 1, wherein: the surface of the top wall inside the air chamber box (2) is fixed with a mounting seat (201), two sensors (202) are symmetrically fixed on the lower surface of the mounting seat (201), the lower surfaces of the sensors (202) are respectively and electrically connected with an infrared detection module (203) and an electrochemical reaction detection module (204), a connecting hole (207) is formed in the surface of the side wall, close to one side of the air pump (8), of the air chamber box (2), and the connecting hole (207) is communicated with the inside of the pipe sleeve (7).

3. The pump-suction multiparameter gas detecting device according to claim 2, wherein: the side wall of the air chamber box (2) is provided with a through hole (205) at a position symmetrical to the connecting hole (207), the through hole (205) is communicated with the inside of the air chamber box (2), and a gas one-way valve (206) is fixedly arranged in the through hole (205).

4. The pump-suction multiparameter gas detecting device according to claim 1, wherein: the inner pipe limiting sleeve (701) is fixedly installed inside the pipe sleeve (7), two installation holes (702) are symmetrically formed in the side surface, close to the air chamber box (2), of the inner pipe limiting sleeve (701), two expansion rods (703) are fixed to the bottom surface of each installation hole (702), two ends of each expansion rod (703) are fixed to the same installation plate (705), springs (704) are sleeved on the outer surfaces of the expansion rods (703), two ends of each spring (704) correspond to the side surfaces of the installation holes (702) and the installation plates (705) respectively and are fixedly connected with the side surfaces of the installation holes (702), pistons (706) are fixed to the side surfaces, close to the inner pipe limiting sleeve (701), of the installation plates (705), and the pistons (706) are matched with the inner wall surface of the inner pipe limiting sleeve (701) in an extrusion clamping mode.

5. The pump-suction multiparameter gas detecting device according to claim 1, wherein: the air guide hole (901) is formed in the filter box (9), the air receiving pipe (10) is communicated with the air guide pipe (801) through the air guide hole (901), the upper surface of the filter box (9) is provided with a sliding groove (902), the sliding groove (902) is clamped and inserted in the sliding groove (902), and the mounting rack (903) is fixed with the filter screen (904) in the mounting rack (903).

6. The pump-suction multiparameter gas detecting device according to claim 1, wherein: the rear side that the upper surface of gas chamber box (2) is located switch (5) is fixed with LORA networking module (6) in the pit, the rear side that the upper surface of gas chamber box (2) is located LORA networking module (6) in the pit is fixed with NB-loT module (4), and electric connection between NB-loT module (4) and LORA networking module (6) in the pit.