Dust sensor air duct capable of preventing dust accumulation

Abstract

The utility model discloses an anti-dust-deposition dust sensor air duct, which belongs to the technical field of dust sensors and comprises an upper air duct, a lower air duct and a lower air duct. The lower air duct is arranged in the lower shell of the dust sensor, a bottom plate is installed in the lower air duct, and the bottom plate vibrates in a reciprocating mode in the height direction of the side wall of the lower air duct; the mounting pipe is fixedly connected to the side face of the lower shell, and a fan is mounted in the mounting pipe; wherein after the upper shell and the lower shell are spliced, the upper air duct and the lower air duct form an air duct main body, the mounting pipe is aligned with the air duct main body, the bottom plate vibrates and is matched with the fan to accelerate the rotating speed, so that dust accumulation on the bottom plate can be avoided, and the influence on the detection precision of the dust sensor can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust sensor technical field, concretely relates to a dust sensor air duct of anti-accumulation of dust. BACKGROUND

[0002] Dust sensor is a kind of sensor device that measures small particulate matter suspended in air, when detecting, dust sensor needs to introduce the air of outside into the inside of air duct to detect, but after long time use, dust in air is prone to accumulation in air duct, which can cause the detection data of dust sensor to have error, affect the detection accuracy of dust sensor, to solve the above problems, the utility model provides a dust sensor air duct of anti-accumulation of dust. UTILITY MODEL CONTENT

[0003] In view of the above technical deficiencies, the utility model aims at providing a dust sensor air duct of anti-accumulation of dust, by vibrating the bottom plate, cooperating with the fan to speed up the speed, the dust on the bottom plate can be avoided, and the detection accuracy of dust sensor is affected.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a dust sensor air duct of anti-accumulation of dust, comprising:

[0005] Upper air duct, the upper air duct is arranged in the inside of the upper shell of dust sensor;

[0006] Lower air duct, the lower air duct is arranged in the inside of the lower shell of dust sensor, and the inside of the lower air duct is installed with bottom plate, and the bottom plate reciprocatingly vibrates along the height direction of the side wall of lower air duct;

[0007] Mounting pipe, the mounting pipe is fixedly connected on the side surface of lower shell, and the inside of the mounting pipe is installed with fan;

[0008] Wherein, the upper shell and lower shell are spliced, and the upper air duct and lower air duct form the main body of air duct, and the mounting pipe is aligned with the main body of air duct.

[0009] Preferably, the bottom plate is slidably installed in the inside of lower air duct, and the side of the bottom plate located outside lower air duct is installed with vibration motor.

[0010] Preferably, the lower side of the bottom plate extends to the inside of the cavity provided in the inside of lower shell, and the side of the bottom plate located in the inside of cavity is fixedly connected with stabilizing frame, and the vibration motor is installed on the center position of the upper side surface of stabilizing frame.

[0011] Preferably, the both ends of the stabilizing frame are connected with elastic members on the cavity top side wall, and the elastic members have the elastic force that stably presses the stabilizing frame downward.

[0012] Preferably, the elastic member is "U"-shaped elastic sheet.

[0013] Preferably, the bottom plate is wedge-shaped on the upper side of the one end of the mounting pipe, and the height of the wedge-shaped surface is always lower than the lower side wall of the mounting pipe.

[0014] The dust sensor air duct has the advantages that:

[0015] The dust sensor air duct has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] Figure 1 A structural schematic diagram of the dust sensor air duct is provided.

[0018] Figure 2 An exploded view (first perspective view) of the dust sensor air duct.

[0019] Figure 3 An exploded view (first perspective view) of the dust sensor air duct.

[0020] Figure 4 A sectional view of the lower shell of the dust sensor air duct.

[0021] Figure 5 A structural schematic diagram of the bottom plate of the dust sensor air duct.

[0022] Explanation of the reference signs:

[0023] 1, air duct body, 101, upper air duct, 102, lower air duct, 2, upper shell, 3, lower shell, 4, mounting pipe, 5, bottom plate, 6, fan, 7, vibration motor, 8, cavity, 9, stabilizing frame, 10, elastic member. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] The utility model provides a kind of dust sensor air duct of preventing dust accumulation, as shown in Figures 1 to 5

[0026] Embodiment one

[0027] A kind of dust sensor air duct of preventing dust accumulation, including air duct main body 1, air duct main body 1 is composed of upper air duct 101 and lower air duct 102, upper air duct 101 is arranged in the upper shell 2 of dust sensor, lower air duct 102 is arranged inside the lower shell 3 of dust sensor, when installing, upper shell 2 is connected together with lower shell 3 to form the entire shell of dust sensor, at this time, upper air duct 101 and lower air duct 102 combination form air duct main body 1, one end of lower air duct 102 and located lower shell 3 is fixedly connected with installation pipe 4, installation pipe 4 is installed with fan 6 inside, when fan 6 starts, the air of outside can be made into the inside of air duct main body 1 by installation pipe 4, then is discharged by the end of air duct main body 1 far from installation pipe 4, dust sensor can complete detection work when air passes through air duct main body 1.

[0028] To avoid dust deposition in lower air duct 102 inside influence detection precision, lower air duct 102 lower side wall is arranged as through form, and bottom plate 5 is installed in lower air duct 102 inside, bottom plate 5 can reciprocate vibration along the height direction of lower air duct 102 side wall, to make dust deposited on bottom plate 5 vibrate, while bottom plate 5 vibrates, the speed of fan 6 is accelerated, vibrating dust is blown out, in turn, dust deposition in lower air duct 102 inside can be avoided, influence detection precision, when installing, lower shell 3 should be located below upper shell 2, so dust will be successfully fallen on bottom plate 5.

[0029] Embodiment two

[0030] On the basis of embodiment one, bottom plate 5 can use the following installation mode, in particular, as follows:

[0031] ​The lower side wall of the bottom plate 5 extends to the inside of the cavity 8, and is fixedly connected with a stabilizing frame 9, a vibration motor 7 is installed at the center position of the upper side of the stabilizing frame 9, and the vibration motor 7 can more stably drive the bottom plate 5 to vibrate when the vibration motor 7 is started; elastic members 10 are connected between the two sides of the stabilizing frame 9 and the cavity top side wall of the cavity 8, the elastic members 10 are "U"-shaped elastic sheets, one end of the opening end of the elastic members 10 is fixedly connected with the cavity top side wall of the cavity 8, and the other end is fixedly connected with the stabilizing frame 9; the elastic members 10 have elastic force for pressing the stabilizing frame 9 downward, and the elastic members 10 can keep the bottom plate 5 stable when not vibrating, and the bottom plate 5 cannot shake and affect the detection of the dust sensor; the upper side of the end of the bottom plate 5 close to the installation pipe 4 is a wedge-shaped surface, and the height of the wedge-shaped surface is always lower than the lower side wall of the installation pipe 4, so that the bottom plate 5 cannot affect the air to enter the inside of the air duct main body 1 through the installation pipe 4 during vibration, and the cleaning effect is affected.

[0032] The fan 6 and the vibration motor 7 are connected with the power supply outside through cables respectively, and the start and stop of the fan 6 and the vibration motor 7 can be controlled through the on-off of the control circuit.

[0033] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A dirt buildup sensor air duct, comprising: Include: The upper air duct (101) is arranged in the upper shell (2) of the dust sensor; The lower air duct (102) is arranged in the lower shell (3) of the dust sensor, and the inside of the lower air duct (102) is provided with a bottom plate (5) reciprocatingly vibrated along the height direction of the side wall of the lower air duct (102); The mounting pipe (4) is fixedly connected to the side of the lower shell (3), and the inside of the mounting pipe (4) is provided with a fan (6); Wherein, the upper shell (2) and the lower shell (3) are spliced, the upper air duct (101) and the lower air duct (102) form the air duct main body (1), and the mounting pipe (4) is aligned with the air duct main body (1).

2. A dirt buildup sensor air duct as claimed in claim 1, wherein, The bottom plate (5) is slidingly installed in the inside of the lower air duct (102), and the side of the bottom plate (5) located outside the lower air duct (102) is provided with a vibration motor (7).

3. A dirt buildup sensor air duct as claimed in claim 2, wherein, The lower side of the bottom plate (5) extends to the inside of the cavity (8) provided in the inside of the lower shell (3), and the side of the bottom plate (5) located in the inside of the cavity (8) is fixedly connected with a stabilizing frame (9), and the vibration motor (7) is installed on the center position of the upper side of the stabilizing frame (9).

4. A dirt buildup sensor air duct as claimed in claim 3, wherein, The two ends of the stabilizing frame (9) are connected with elastic members (10) on the cavity top side wall of the cavity (8), and the elastic members (10) have elastic force for pressing the stabilizing frame (9) downward.

5. A dirt buildup sensor air duct as claimed in claim 4, wherein, The elastic member (10) is a "U" shaped elastic sheet.

6. A dirt buildup sensor air duct as in claim 1, wherein, The upper side of one end of the bottom plate (5) close to the mounting pipe (4) is a wedge surface, and the height of the wedge surface is always lower than the lower side wall of the mounting pipe (4).

Images