CN216223393U

CN216223393U - Air filter screen with air quality detection function

Info

Publication number: CN216223393U
Application number: CN202122574622.3U
Authority: CN
Inventors: 王琳凯
Original assignee: Weifang Aidun Purifying Service Co ltd
Current assignee: Weifang Aidun Purifying Service Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-08
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses an air filter screen capable of detecting air quality, which comprises a ventilation pipe and a filter screen body, wherein the ventilation pipe is connected with an exhaust fan, one end of the ventilation pipe is provided with a first annular groove, the first annular groove is in clearance fit with the filter screen body, the inner peripheral wall of the first annular groove is uniformly provided with a plurality of first limiting grooves, the outer edge of the filter screen body is fixedly connected with a plurality of limiting blocks in sliding connection with the first limiting grooves, the inner peripheral wall of the first annular groove is provided with a second annular groove communicated with the plurality of first limiting grooves, the inner side wall of the second annular groove close to the first limiting grooves is uniformly provided with a plurality of second limiting grooves, the inner side wall of the first annular groove is uniformly and fixedly connected with a plurality of first springs, and the inner wall of the ventilation pipe is uniformly and circumferentially provided with a plurality of strikes. The filter screen body is convenient to disassemble and assemble, and the filter screen body can be automatically knocked and vibrated when the exhaust fan is shut down every time, so that the blocked impurities are vibrated and separated.

Description

Air filter screen with air quality detection function

Technical Field

The utility model relates to the technical field of air filter screens, in particular to an air filter screen capable of detecting air quality.

Background

The air filter net is arranged in the centralized air-conditioning system and used for filtering dust particles in air and improving the indoor air quality. In order to improve the functions of the existing air filter screen, various sensors are arranged on one side of the existing air filter screen and used for detecting the air quality so as to facilitate the subsequent air treatment, and although the existing air filter screen has the function of detecting the air quality, the problems of inconvenience in disassembly and assembly, blockage of meshes in the long-term use process and reduction of ventilation volume still exist.

To this end, we propose an air filter with air quality detection to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an air filtering net with air quality detection to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an airstrainer with detect air quality, includes ventilation pipe and filter screen body, the ventilation pipe is connected with the air exhauster, first ring channel has been seted up to the one end of ventilation pipe, first ring channel and filter screen body clearance fit, a plurality of first spacing grooves have evenly been seted up to the internal perisporium of first ring channel, a plurality of and first spacing groove sliding connection's of outer fringe fixedly connected with stopper of filter screen body, the second ring channel with a plurality of first spacing groove intercommunications is seted up to the internal perisporium of first ring channel, a plurality of second spacing grooves have evenly been seted up to the inside wall that the second ring channel is close to first spacing groove, a plurality of first springs of the even fixedly connected with of inside wall of first ring channel, the inner wall circumference of ventilation pipe evenly is equipped with a plurality of strikes.

Preferably, the first limiting grooves and the second limiting grooves have the same size, and the first limiting grooves and the second limiting grooves have the same number and are distributed in a staggered manner.

Preferably, one end of the first spring passes through the second annular groove when the first spring is at the original length.

Preferably, the knocking part comprises a sliding groove formed in the inner wall of the ventilation pipe, the inner side of the cross section of the sliding groove is narrow and the outer side of the cross section of the sliding groove is wide, a sliding plate is connected in the sliding groove in a sliding mode, the inner wall of one side, far away from the filter screen body, of the sliding groove and the sliding plate are fixedly connected with a second spring together, and a knocking rod is fixedly connected to one side, close to the filter screen body, of each sliding plate.

Preferably, the spring constant of the first spring is greater than the spring constant of the second spring.

Preferably, the lower end of the inner wall of the ventilation pipe and the left side of the filter screen body are provided with a dust outlet groove.

Preferably, the left side of filter screen body is equipped with the sensor integrated board, the sensor integrated board uses fixing bolt to fix on the filter screen body.

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

1. according to the filter screen, the first annular groove, the second annular groove, the filter screen body, the first limiting groove, the second limiting groove, the limiting block and the first spring are matched with each other, the limiting block is pushed into the first limiting groove firstly and then enters the second limiting groove, one end of the second limiting groove is not communicated with the outside, the filter screen body is fixed by the aid of the first spring in a compressed state, and the filter screen is convenient to disassemble and assemble.

2. According to the utility model, through the mutual matching of the sliding groove, the sliding plate, the second spring, the knocking rod and the exhaust fan, the sliding plate is pushed to compress the second spring in the process of starting up the exhaust fan every time, and the exhaust fan resets under the elastic force of the second spring to knock the filter screen body after being shut down every time, so that the vibration separation of impurities on the surface of the filter screen body is facilitated.

Drawings

FIG. 1 is a front sectional view of an air filter with air quality detection according to the present invention;

FIG. 2 is a schematic view of a ventilation pipe of an air filter with air quality detection according to the present invention;

fig. 3 is a schematic structural diagram of another view angle of an air filter screen vent pipe with air quality detection according to the present invention.

In the figure: the device comprises a ventilation pipe 1, a filter screen body 2, a first annular groove 3, a first limiting groove 4, a second annular groove 5, a second limiting groove 6, a first spring 7, a sliding groove 8, a second spring 9, a sliding plate 10, a knocking rod 11, a sensor integrated plate 12, a fixing bolt 13 and a dust outlet groove 14.

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.

Referring to fig. 1-3, an airstrainer with air quality detection function comprises a ventilation pipe 1 and a filter screen body 2, the ventilation pipe 1 is connected with an exhaust fan (not shown in the figure), the exhaust fan introduces air through the ventilation pipe 1, impurities in the air are intercepted on the left side of the filter screen body 2, a sensor integrated board 12 is arranged on the left side of the filter screen body 2, the sensor integrated board 12 is fixed on the filter screen body 2 through a fixing bolt 13, various sensors used for detecting the air quality are fixedly arranged on the left side of the sensor integrated board 12, and a thread groove used for being in threaded connection with the fixing bolt 13 is formed in the right side of the sensor integrated board.

One end of the ventilation pipe 1 is provided with a first annular groove 3, the first annular groove 3 is in clearance fit with the filter screen body 2, the inner peripheral wall of the first annular groove 3 is uniformly provided with a plurality of first limiting grooves 4, the outer edge of the filter screen body 2 is fixedly connected with a plurality of limiting blocks in sliding connection with the first limiting grooves 4, the inner peripheral wall of the first annular groove 3 is provided with a second annular groove 5 communicated with the plurality of first limiting grooves 4, the inner side wall of the second annular groove 5 close to the first limiting grooves 4 is uniformly provided with a plurality of second limiting grooves 6, the first limiting grooves 4 and the second limiting grooves 6 have the same size and can be in sliding connection with the limiting blocks, the first limiting grooves 4 and the second limiting grooves 6 have the same number and are distributed in a staggered way, in order to improve the convenience in operation, the second annular groove 5 can be replaced by a plurality of arc-shaped grooves which are not communicated with each other, and two ends of each arc-shaped groove respectively correspond to the first limiting groove 4 and the second limiting groove 6.

The even fixedly connected with of inside wall of first ring channel 3 has a plurality of first springs 7, and first spring 7 is in original length, and the one end of first spring 7 is through second ring channel 5 and cross second spacing groove 6, and the purpose makes first spring 7 be in the compression state after installing filter screen body 2.

The sensor integrated board has the advantages of being convenient to disassemble and assemble, specifically, before the filter screen body 2 is installed, one end of each first spring 7 passes through the second limiting groove 6, after the sensor integrated board 12 is fixed on the filter screen body 2, the filter screen body 2 is pushed into the first annular groove 3, each limiting block is pushed into the first limiting groove 4, and enters the second annular groove 5 until the limiting block enters the second annular groove 5, the first springs 7 are in a compressed state, the filter screen body 2 is rotated according to the arrangement direction of the second limiting groove 6, the limiting blocks are opposite to the second limiting groove 6, then the filter screen body 2 is loosened, the limiting blocks connected with the filter screen body 2 are gradually pushed into the second limiting groove 6 under the elastic force of the first springs 7 and abut against the inner wall of the second limiting groove, the first springs 7 are still in the compressed state, and the filter screen body 2 is elastically fixed.

Inner wall circumference of ventilation pipe 1 evenly is equipped with a plurality of pieces that strike, it is concrete, strike the piece including seting up at the spout 8 of 1 inner wall of ventilation pipe, narrow outer width in the cross-section of spout 8, carry out spacing slip to slide 10, avoid taking place the separation, sliding connection has slide 10 in the spout 8, one side inner wall that filter screen body 2 was kept away from to slide 8 and the common fixedly connected with second spring 9 of slide 10, one side fixedly connected with that each slide 10 is close to filter screen body 2 strikes pole 11, the one end that strikes pole 11 is globular, reduce the scratch to filter screen body 2. The elastic coefficient of the first spring 7 is larger than that of the second spring 9, so that the influence of wind power on the filter screen body 2 is reduced. The lower end of the inner wall of the ventilation pipe 1 and the left side of the filter screen body 2 are provided with a dust outlet groove 14, and the dust outlet groove 14 is positioned on the left side of the second limiting groove 6.

When the air exhauster is in the non-operating condition, strike pole 11 and filter screen body 2 contact, in case the air exhauster is in the operating condition, under the influence of wind-force, the resistance of first spring 7 is bigger than second spring 9, the displacement of filter screen body 2 is shorter, the stopper can not break away from second spacing groove 6, wind-force promotes slide 10 and compression second spring 9, when the air exhauster halts suddenly, first spring 7 and second spring 9 instantaneous reset, strike pole 11 strikes filter screen body 2 under the inertial action, and then make the left impurity of interception at filter screen body 2 because of the vibration separation, and the accessible spills out dirt groove 14.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an airstrainer with detect air quality, includes ventilation pipe (1) and filter screen body (2), ventilation pipe (1) is connected with air exhauster, its characterized in that: first ring channel (3) have been seted up to the one end of ventilation pipe (1), first ring channel (3) and filter screen body (2) clearance fit, a plurality of first spacing grooves (4) have evenly been seted up to the internal perisporium of first ring channel (3), a plurality of and first spacing groove (4) sliding connection's of outer fringe fixedly connected with stopper of filter screen body (2), second ring channel (5) with a plurality of first spacing groove (4) intercommunication are seted up to the internal perisporium of first ring channel (3), a plurality of second spacing grooves (6) have evenly been seted up to the inside wall that second ring channel (5) are close to first spacing groove (4), the even fixedly connected with of inside wall of first ring channel (3) a plurality of first spring (7), the inner wall circumference of ventilation pipe (1) evenly is equipped with a plurality of pieces of knocking.

2. An airstrainer with air quality detection as claimed in claim 1, wherein: the first limiting grooves (4) and the second limiting grooves (6) are the same in size, and the first limiting grooves (4) and the second limiting grooves (6) are the same in number and distributed in a staggered mode.

3. An airstrainer with air quality detection as claimed in claim 1, wherein: and when the first spring (7) is in the original length, one end of the first spring (7) passes through the second annular groove (5).

4. An airstrainer with air quality detection as claimed in claim 3, wherein: the knocking piece comprises a sliding groove (8) formed in the inner wall of the ventilation pipe (1), the cross section of the sliding groove (8) is narrow and wide, a sliding plate (10) is connected to the sliding groove (8) in a sliding mode, the inner wall of one side, far away from the filter screen body (2), of the sliding groove (8) and a second spring (9) fixedly connected with the sliding plate (10) jointly are connected with each other, and each sliding plate (10) is close to a knocking rod (11) fixedly connected with one side of the filter screen body (2).

5. An airstrainer with air quality detection as claimed in claim 4, wherein: the elastic coefficient of the first spring (7) is larger than that of the second spring (9).

6. An airstrainer with air quality detection as claimed in claim 1, wherein: and a dust outlet groove (14) is formed in the lower end of the inner wall of the ventilation pipe (1) and on the left side of the filter screen body (2).

7. An airstrainer with air quality detection as claimed in claim 1, wherein: the left side of filter screen body (2) is equipped with sensor integrated board (12), sensor integrated board (12) use fixing bolt (13) to fix on filter screen body (2).