CN218825790U

CN218825790U - Explosion-proof gas alarm

Info

Publication number: CN218825790U
Application number: CN202223303917.8U
Authority: CN
Inventors: 王云麒
Original assignee: Wanlin Fire Technology Co ltd
Current assignee: Wanlin Fire Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-07
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses an explosion-proof gas alarm, comprising a main body, it has the subassembly that admits air to peg graft in the bottom of main part, the subassembly that admits air includes the piece that converges, the shape of the piece that converges sets up to handstand triangle-shaped, and the equal fixedly connected with bleeder in bottom both sides of the piece that converges, both sides set up the equal fixedly connected with drainage tube in bleeder bottom, the inboard of drainage tube is provided with the air-supply pipe, the inside of air-supply pipe is provided with the fan, the drainage tube outer end is connected with the filter cap. This application is at the in-process of admitting air, can be through the rotation direction in the change fan, and the rotation direction of fan changes, and the position of crossing the lid place this moment will become to give vent to anger by admitting air, when becoming to give vent to anger, just can blow off the dust that adheres on crossing the lid, and carry out periodic redirecting along with the fan, just can reduce the dust volume that adheres on crossing the lid.

Description

Explosion-proof gas alarm

Technical Field

The utility model relates to a detector technical field, more specifically say, relate to an explosion-proof gas alarm.

Background

The detector converts the concentration of the combustible gas on site into digital signals, transmits the digital signals to a gas alarm controller arranged in a safety area, and monitors the concentration of the combustible gas on site.

The explosion-proof combustible gas detector is arranged in a factory building and detects the explosion-proof combustible gas by using an air suction method, but dust impurities exist in the air, the air inlet is blocked in the past, and the sucked dust can influence the detection of the combustible gas.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an explosion-proof gas alarm, it can realize, reduces the dust that the detector inhaled.

2. Technical scheme

In order to solve the problem, the utility model adopts the following technical proposal.

The utility model provides an explosion-proof gas alarm, includes the main part, it has the subassembly that admits air to peg graft in the bottom of main part, the subassembly that admits air includes the piece that converges, the shape of the piece that converges sets up to inverted triangle, and the equal fixedly connected with bleeder in the bottom both sides of the piece that converges, both sides set up the equal fixedly connected with drainage tube in bleeder bottom, the inboard of drainage tube is provided with the blast pipe, the inside of blast pipe is provided with the fan, the drainage tube outer end is connected with the filter cap.

Further, the bottom of main part is provided with the detector, the top of piece that converges is provided with the trunk line, the detector inserts in the trunk line.

Further, the inner side of the air supply pipe is fixedly connected with a support, and the fan is fixed on the support.

Furthermore, both ends of the air supply pipe are fixedly connected with second flange rings, and one end of the drainage pipe is fixedly connected with a first flange ring.

Furthermore, the side of the filtering cover is penetrated and provided with filtering holes which are uniformly distributed.

Furthermore, a first connecting thread is arranged on the outer side of the other end of the drainage tube, and a second connecting thread is arranged on the inner side of the filter cover.

Further, the side fixedly connected with mounting panel of main part, the side symmetry of mounting panel is run through and is seted up the fixed orifices.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

this application is at the in-process of admitting air, can be through the rotation direction in the change fan, and the rotation direction of fan changes, and the position of crossing the lid place this moment will become to give vent to anger by admitting air, when becoming to give vent to anger, just can blow off the dust that adheres on crossing the lid, and carry out periodic redirecting along with the fan, just can reduce the dust volume that adheres on crossing the lid.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the main body of the present invention;

FIG. 3 is a schematic structural view of the air intake assembly of the present invention;

FIG. 4 is a schematic structural view of the filter cover of the present invention;

fig. 5 is a schematic structural view of the air supply pipe of the present invention.

The reference numbers in the figures illustrate:

1. a main body; 11. a display panel; 12. a top cover; 13. an alarm; 14. a detector;

2. mounting a plate; 21. a fixing hole;

3. an air intake assembly; 31. a bus bar; 32. a main pipeline; 33. a branch pipe;

34. a drainage tube; 341. a first connecting thread; 342. a first flange ring;

4. a filter cover; 41. a filtration pore; 42. a second connecting thread;

5. an air supply pipe; 51. a second flange ring; 52. a support; 53. a fan.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-5, an explosion-proof gas alarm comprises a main body 1, a top cover 12 is fixedly connected to the top end of the main body 1, an alarm 13 is arranged on the side surface of the top cover 12, a display panel 11 is arranged on the side surface of the main body 1, an air inlet assembly 3 is inserted into the bottom of the main body 1, the air inlet assembly 3 comprises a confluence piece 31, the confluence piece 31 is shaped as an inverted triangle, branch pipes 33 are fixedly connected to two sides of the bottom of the confluence piece 31, drainage pipes 34 are fixedly connected to the bottom ends of the branch pipes 33 arranged on two sides, an air supply pipe 5 is arranged on the inner side of each drainage pipe 34, a fan 53 is arranged inside each air supply pipe 5, and a filter cover 4 is connected to the outer ends of the drainage pipes 34.

According to the above structure, when in use, the fan 53 in the air supply pipe 5 is arranged to introduce the external air flow into the drainage pipe 34, then the air enters the confluence piece 31 through the branch pipe 33, the gas entering the confluence piece 31 is detected by the detector 14, and if the air contains gas, the alarm 13 arranged at the top end of the main body 1 gives an alarm; in the air inlet process, the rotation direction in the fan 53 can be changed, and once the rotation direction of the fan 53 is changed, the position of the filter cover 4 is changed from air inlet to air outlet, when the position is changed to air outlet, the dust adhered to the filter cover 4 can be blown off, and the amount of the dust adhered to the filter cover 4 can be reduced along with the periodic direction change of the fan 53.

Referring to fig. 2 to 3, the probe 14 is provided at the bottom of the main body 1, the main pipe 32 is provided at the top of the confluence piece 31, and the probe 14 is inserted into the main pipe 32.

According to the above structure, when the air intake assembly 3 is installed at the bottom of the main body 1, the detector 14 is inserted into the main pipe 32, so that the air containing gas can be detected by the detector 14 once entering the main pipe 32.

Referring to fig. 5, a bracket 52 is fixedly coupled to an inner side of the air supply pipe 5, and a blower 53 is fixed to the bracket 52.

According to the above structure, the bracket 52 is provided, when the blower fan 53 is installed, only the blower fan 53 needs to be installed on the bracket 52.

Referring to fig. 3 and 5, both ends of the air supply pipe 5 are fixedly connected with the second flange ring 51, and one end of the draft tube 34 is fixedly connected with the first flange ring 342.

According to the above structure, when the air supply pipe 5 is installed between the two draft tubes 34, it is only necessary to fix the air supply pipe 5 using bolts.

Referring to fig. 4, the side surface of the filter cover 4 is perforated with filter holes 41, and the filter holes 41 are uniformly distributed.

According to the above structure, the filter cover 4 is provided to filter the gas introduced into the draft tube 34.

Referring to fig. 3-4, the outer side of the other end of the drainage tube 34 is provided with a first connecting thread 341, and the inner side of the filter cover 4 is provided with a second connecting thread 42.

According to the above structure, when the filter cap 4 is installed at one end of the draft tube 34, it is only necessary to screw the filter cap 4 on the draft tube 34.

Referring to fig. 2, the side surface of the main body 1 is fixedly connected with a mounting plate 2, and fixing holes 21 are symmetrically formed through the side surface of the mounting plate 2.

According to the above structure, when the main body 1 is installed on the wall surface, only the mounting plate 2 needs to be fixed by using screws.

When in use: when in use, the fan 53 arranged in the air supply pipe 5 can introduce external airflow into the drainage pipe 34, then air can enter the confluence piece 31 through the branch pipe 33, the gas entering the confluence piece 31 can be detected by the detector 14, and if the air contains coal gas at the moment, the alarm 13 arranged at the top end of the main body 1 can give an alarm; in the air inlet process, the rotation direction in the fan 53 can be changed, and once the rotation direction of the fan 53 is changed, the position of the filter cover 4 is changed from air inlet to air outlet, when the position is changed to air outlet, the dust adhered to the filter cover 4 can be blown off, and the amount of the dust adhered to the filter cover 4 can be reduced along with the periodic direction change of the fan 53.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims

1. An explosion-proof gas alarm, includes main part (1), its characterized in that: the bottom of main part (1) is pegged graft and is had air intake assembly (3), air intake assembly (3) are including converging piece (31), the shape of converging piece (31) sets up to inverted triangle, and the equal fixedly connected with bleeder (33) in bottom both sides of converging piece (31), and both sides set up the equal fixedly connected with drainage tube (34) in bleeder (33) bottom, the inboard of drainage tube (34) is provided with air supply pipe (5), the inside of air supply pipe (5) is provided with fan (53), drainage tube (34) outer end is connected with crosses filter cap (4).

2. An explosion-proof gas alarm according to claim 1, characterized in that: the bottom of main part (1) is provided with detector (14), the top of converging piece (31) is provided with trunk line (32), detector (14) insert in trunk line (32).

3. An explosion-proof gas alarm according to claim 1, characterized in that: the inner side of the air supply pipe (5) is fixedly connected with a support (52), and the fan (53) is fixed on the support (52).

4. An explosion-proof gas alarm according to claim 1, characterized in that: both ends of the air supply pipe (5) are fixedly connected with second flange rings (51), and one end of the drainage pipe (34) is fixedly connected with a first flange ring (342).

5. An explosion-proof gas alarm according to claim 1, characterized in that: the side of the filtering cover (4) is penetrated and provided with filtering holes (41), and the filtering holes (41) are uniformly distributed.

6. An explosion-proof gas alarm according to claim 1, characterized in that: the outer side of the other end of the drainage tube (34) is provided with a first connecting thread (341), and the inner side of the filter cover (4) is provided with a second connecting thread (42).

7. An explosion-proof gas alarm according to claim 1, characterized in that: the side fixedly connected with mounting panel (2) of main part (1), the side symmetry of mounting panel (2) is run through and is seted up fixed orifices (21).