CN212872456U

CN212872456U - Self-cleaning combustible gas detects collects dust keeper

Info

Publication number: CN212872456U
Application number: CN202021080869.9U
Authority: CN
Inventors: 刘耀东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-02
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a self-cleaning combustible gas detection and collection dustproof device, which comprises a filtering dustproof device, a first electromagnetic valve, a first suction pump and a combustible gas detector which are connected through a gas detection pipeline, wherein the first suction pump is provided with a pressure sensor, the gas detection pipeline is connected with a back flushing pipeline, and the back flushing pipeline is provided with a second electromagnetic valve and a second suction pump; the dustproof device comprises an inner sleeve and an outer sleeve, a movable push plate connected with the outer sleeve through a connecting rod is arranged in the inner sleeve, a filtering sponge, a fixed baffle and a filter screen are arranged in the inner sleeve, an end cover is installed on the inner sleeve, ventilation holes are formed in the fixed baffle and the movable push plate, an inlet pipe is arranged on the inner sleeve, a control valve is arranged on the inlet pipe, a driving mechanism connected with the inner sleeve in a driving mode is arranged on the outer sleeve, the dustproof device further comprises a controller, and the driving mechanism, the control valve, each electromagnetic valve. The utility model discloses have dustproof and self-cleaning function, easy operation, convenient to use.

Description

Self-cleaning combustible gas detects collects dust keeper

Technical Field

The utility model relates to a self-cleaning combustible gas detects collects dust keeper.

Background

At present, the combustible gas is detected by generally pumping gas into a pipeline by a pump and sending the gas into a combustible gas detector for analysis and detection, and the pipeline is easy to block due to the fact that a corresponding dustproof protection device is not arranged at the opening of the general pipeline, so that the detection of the gas is influenced, and inconvenience is brought to detection work.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a self-cleaning combustible gas detects collects dust keeper, aims at solving among the prior art technical problem that the pipeline is dustproof easily to block up, influence gaseous detection.

The technical scheme of the utility model is that: a self-cleaning combustible gas detection and collection dustproof device comprises a combustible gas detector and a gas detection pipeline connected with the combustible gas detector, wherein a filtering dustproof device is arranged at the other end of the gas detection pipeline, a first electromagnetic valve and a first suction pump are sequentially arranged on the gas detection pipeline from the filtering dustproof device to the direction of the combustible gas detector, a pressure sensor is arranged on the first suction pump, a back-blowing pipeline is also connected to the gas detection pipeline between the filtering dustproof device and the first electromagnetic valve, a second suction pump is arranged on the back-blowing pipeline, and a second electromagnetic valve is also arranged on the back-blowing pipeline between the second suction pump and the joint of the two pipelines; the filtering dustproof device comprises an outer sleeve and an inner sleeve which is arranged in the outer sleeve in a sliding way, the inner sleeve is internally provided with a movable push plate, a filtering sponge, a fixed baffle and a filtering net in sequence along the length direction, the movable push plate is connected with the bottom of the outer sleeve through a connecting rod, one end of the inner sleeve, which is far away from the outer sleeve, is detachably provided with an end cover, the end cover is provided with an end cover central hole, the fixed baffle plate and the movable push plate are respectively provided with a plurality of vent holes, the inner sleeve is provided with a water inlet pipe communicated with the inner space of the inner sleeve, the water inlet pipe is provided with a control valve, the outer sleeve is provided with a driving mechanism which is connected with and drives the inner sleeve, the dustproof device also comprises a controller, the driving mechanism, the control valve, the electromagnetic valves, the suction pumps and the pressure sensor are respectively connected with the controller.

Further, the utility model discloses in be close to the interior sheathed tube one end of activity push pedal is equipped with the spacing portion that the restriction activity push pedal is deviate from.

Further, in the present invention, the end cap is connected to the inner sleeve by a thread.

Further, in the utility model discloses in the filter screen includes that filter screen body and parcel are in the outside frame of filter screen body.

Furthermore, in the present invention, a sliding groove for the water inlet pipe to slide is formed on the outer sleeve.

Further, in the utility model discloses in actuating mechanism is including installing the cylinder on the outer tube, installing the connecting block on interior sleeve pipe, and the output shaft and the connecting block of cylinder are connected.

Compared with the prior art, the utility model has the following advantage:

1) the utility model discloses a device detects and the blowback respectively through two pipelines, open first solenoid valve and close the second solenoid valve when combustible gas detects, gaseous entering combustible gas detector after straining dust keeper filters, pressure sensor real-time detection gas suction resistance sends to the controller, filter dust keeper self-cleaning and start the second suction pump and carry out the blowback by controller automatic control after the detected value reaches the predetermined value, first solenoid valve is closed when self-cleaning and blowback, can guarantee gaseous filter effect well like this, improve the reliability that combustible gas detected.

2) The utility model discloses in, it can filter gas to filter dust keeper, gas loops through the end cover, the filter screen, fixed stop, filter the sponge, the activity push pedal, and finally arrange to gaseous detection pipeline by the other end of outer tube, the filter effect is good, can effectively avoid inhaling debris and arouse the pipeline jam, still possess the self-cleaning function simultaneously, can also control the interior bushing movement of cylinder drive through the steerable intraductal automatic water-passing of controller to endotheca, extrude the filter sponge through the activity push pedal and wash, rivers after the washing can be discharged by the end cover centre bore, and is simple in operation and convenient to use.

3) The utility model discloses in, the end cover design is for dismantling the form, and the dismouting of being convenient for filters sponge, fixed stop and filter screen.

4) The utility model discloses in, the filter screen is directly extruded when the fixed stop of specific design can avoid extruding the filtration sponge, plays certain guard action.

Drawings

FIG. 1 is a schematic structural view of the present invention (in which arrows indicate the gas flow direction);

FIG. 2 is a schematic view of the filtering and dust-proof device of the present invention in a normal operation state;

FIG. 3 is a schematic view of the self-cleaning state of the filtering and dust-proof device of the present invention;

fig. 4 is a schematic structural view of the fixing baffle of the present invention;

fig. 5 is a schematic structural view of the filter net of the present invention.

Wherein: 1. an outer sleeve; 2. an inner sleeve; 2a, a limiting part; 3. a movable push plate; 4. filtering the sponge; 5. fixing a baffle plate; 6. a filter screen; 6a, a filter screen body; 6b, a frame; 7. a connecting rod; 8. an end cap; 8a, an end cover central hole; 9. a vent hole; 10. a water inlet pipe; 11. a control valve; 12. a cylinder; 13. connecting blocks; 14. a combustible gas detector; 15. a gas detection conduit; 16. a filtering and dust-proof device; 17. a first solenoid valve; 18. a first suction pump; 19. a pressure sensor; 20. a blowback pipeline; 21. a second suction pump; 22. a second solenoid valve.

Detailed Description

The following description will specifically explain embodiments of the present invention with reference to the accompanying drawings.

Example (b):

it is shown in the accompanying drawings that the utility model relates to a self-cleaning combustible gas detects and collects dust keeper's embodiment, as shown in fig. 1, it mainly includes combustible gas detector 14, the gaseous pipeline 15 that is connected with combustible gas detector 14, and gaseous pipeline 15's the other end is equipped with filters dust keeper 16, is equipped with first solenoid valve 17, first suction pump 18 on filtering dust keeper 16 to the gaseous pipeline 15 of combustible gas detector 14 direction in proper order, is equipped with pressure sensor 19 on the first suction pump 18.

A back flushing pipeline 20 is further connected to the gas detection pipeline 15 between the filtering and dust-proof device 16 and the first electromagnetic valve 17, a second suction pump 21 is arranged on the back flushing pipeline 20, and a second electromagnetic valve 22 is further arranged on the back flushing pipeline 20 between the second suction pump 21 and the joint of the two pipelines.

Referring to fig. 2, the filtering and dust-proof device 16 mainly includes an outer sleeve 1 and an inner sleeve 2 slidably disposed in the outer sleeve 1, and a movable push plate 3, a filtering sponge 4, a fixed baffle 5, and a filtering net 6 are sequentially disposed in the inner sleeve 2 along a length direction thereof.

The movable push plate 3 is connected with the bottom of the outer sleeve 1 through a connecting rod 7, and one end of the inner sleeve 2 close to the movable push plate 3 is provided with a limiting part 2a for limiting the movable push plate 3 to be separated.

One end of the inner sleeve 2 far away from the outer sleeve 1 is connected with an end cover 8 in a threaded mode, and an end cover central hole 8a is formed in the end cover 8.

In this embodiment, as shown in fig. 5, the filter screen 6 includes a filter screen body 6a and a frame 6b wrapped outside the filter screen body 6 a.

In this embodiment, the fixed baffle 5 and the movable pushing plate 3 are respectively provided with a plurality of ventilation holes 9.

Furthermore, the inner sleeve 2 is also provided with a water inlet pipe 10 communicated with the inner space of the inner sleeve, and the water inlet pipe 10 is provided with a control valve 11. The outer sleeve 1 is provided with a sliding groove for the water inlet pipe 10 to slide.

The outer sleeve 1 is provided with a driving mechanism connected with and driving the inner sleeve 2, the driving mechanism comprises a cylinder 12 mounted on the outer sleeve 1 and a connecting block 13 mounted on the inner sleeve 2, and an output shaft of the cylinder 12 is connected with the connecting block 13.

The dust-proof device further includes a controller to which the drive mechanism, the control valve 11, the solenoid valves, the suction pumps, and the pressure sensor 19 are connected.

The utility model discloses during specific during operation, during combustible gas detects, open first solenoid valve 17, close second solenoid valve 22, start first suction pump 18, gas at first filters through straining dust keeper 16, specifically gas loops through end cover 8, filter screen 6, fixed stop 5, filter sponge 4, activity push pedal 3, and finally arrange to gas detection pipeline 15 by the other end of outer tube 1, it detects to get into combustible gas detector 14, pressure sensor 19 detects gaseous suction resistance in real time and sends to the controller, after the detected value reaches the predetermined value, controller automatic control filters dust keeper 16 self-cleaning, and start second suction pump 21 and carry out the blowback, specifically, the controller is at first controlled first solenoid valve 17 to close, second solenoid valve 22 also closes at this moment, open control flap 11, by the automatic water-feed in to inner tube 2 of inlet tube 10, simultaneous control cylinder 12 drives inner tube 2 and moves, utilize movable push pedal 3 extrusion to filter sponge 4 and wash, rivers after the washing can be discharged by end cover centre bore 8a, wash the completion back, close control flap 11, open second solenoid valve 22, start second suction pump 21 and carry out the blowback in with outside air suction pipeline, by the end cover 8 discharge of filtering dust keeper 16, the blowback can play the clearance effect to the pipeline, also can clear up residual moisture and filter sponge 4 with higher speed and weather. In addition, because end cover 8 designs for can dismantling the form, the dismouting of being convenient for filters sponge 4, fixed stop 5 and filter screen 6, and fixed stop 5 of specific design can avoid directly extruding filter screen 6 when extruding filter sponge 4, plays certain guard action.

The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.

Claims

1. The utility model provides a self-cleaning combustible gas detects collects dust keeper which characterized in that: the device comprises a combustible gas detector (14) and a gas detection pipeline (15) connected with the combustible gas detector (14), wherein a filtering dustproof device (16) is arranged at the other end of the gas detection pipeline (15), a first electromagnetic valve (17) and a first suction pump (18) are sequentially arranged on the gas detection pipeline (15) from the filtering dustproof device (16) to the combustible gas detector (14), a pressure sensor (19) is arranged on the first suction pump (18), a back flushing pipeline (20) is also connected to the gas detection pipeline (15) between the filtering dustproof device (16) and the first electromagnetic valve (17), a second suction pump (21) is arranged on the back flushing pipeline (20), and a second electromagnetic valve (22) is also arranged on the back flushing pipeline (20) between the second suction pump (21) and the connection part of the two pipelines; the filtering and dust-proof device comprises an outer sleeve (1) and an inner sleeve (2) which is arranged in the outer sleeve (1) in a sliding way, a movable push plate (3), a filtering sponge (4), a fixed baffle (5) and a filter screen (6) are sequentially arranged in the inner sleeve (2) along the length direction of the inner sleeve, the movable push plate (3) is connected with the bottom of the outer sleeve (1) through a connecting rod (7), an end cover (8) is detachably arranged at one end, away from the outer sleeve (1), of the inner sleeve (2), an end cover center hole (8a) is formed in the end cover (8), a plurality of vent holes (9) are respectively formed in the fixed baffle (5) and the movable push plate (3), an inlet pipe (10) communicated with the inner space of the inner sleeve is arranged on the inner sleeve (2), a control valve (11) is arranged on the inlet pipe (10), and, the dustproof device further comprises a controller, and the driving mechanism, the control valve (11), the electromagnetic valves, the suction pumps and the pressure sensor (19) are respectively connected with the controller.

2. The self-cleaning combustible gas detection collection dust-proof device of claim 1, wherein: one end of the inner sleeve (2) close to the movable push plate (3) is provided with a limiting part (2a) for limiting the movable push plate (3) to be separated.

3. The self-cleaning combustible gas detection collection dust-proof device of claim 1, wherein: the end cover (8) is in threaded connection with the inner sleeve (2).

4. The self-cleaning combustible gas detection collection dust-proof device of claim 1, wherein: the filter screen (6) comprises a filter screen body (6a) and a frame (6b) wrapped outside the filter screen body (6 a).

5. The self-cleaning combustible gas detection collection dust-proof device of claim 1, wherein: the outer sleeve (1) is provided with a sliding groove for the water inlet pipe (10) to slide.

6. The self-cleaning combustible gas detection collection dust-proof device of claim 1, wherein: the driving mechanism comprises a cylinder (12) arranged on the outer sleeve (1) and a connecting block (13) arranged on the inner sleeve (2), and an output shaft of the cylinder (12) is connected with the connecting block (13).