CN110940560A

CN110940560A - Dust detection device

Info

Publication number: CN110940560A
Application number: CN201911093828.5A
Authority: CN
Inventors: 钟晓燕
Original assignee: Xi'an Chongguangguangchen Testing Technology Co Ltd
Current assignee: Xi'an Chongguangguangchen Testing Technology Co Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-03-31

Abstract

The invention discloses a dust detection device which comprises a shell, wherein a dust detector body is arranged at the bottom in the shell, the dust detector body is connected with a sampling head through a pipeline, one end, close to the sampling head, of the pipeline is connected with a first propulsion mechanism, a second propulsion mechanism is arranged on one side wall of the shell, the top of one end, far away from the dust detector body, of the shell is connected with a door through a hinge, two sides of the inner part of the door are respectively connected with two side walls of the shell through telescopic rods, the sampling range can be enlarged, dynamic sampling detection is carried out, detection data are more objective, the accuracy is higher, and the sampling head is prevented from being exposed in the air for a long time to influence the precision of.

Description

Dust detection device

Technical Field

The invention belongs to the technical field of detection equipment, and particularly relates to a dust detection device.

Background

Dust refers to solid particles suspended in air. The international organization for standardization stipulates that dust is defined as a solid suspension having a particle size of less than 75 μm. The presence of dust in the atmosphere is one of the main causes for maintaining the earth's temperature, and too much or too little dust in the atmosphere can have a catastrophic effect on the environment. However, in life and work, productive dust is a natural enemy of human health and is a major cause of various diseases. Therefore, people increase gradually the degree of regard to dust content, and for the content of control and detection dust in the living environment, detect through the dust detector mostly, but present dust detector sampling head exposes in the air more, and along with the extension of time, then the precision of sampling head also can descend to during the use, if meet rainy day, then the sampling head receives the influence of rainwater easily, causes the accuracy decline of measuring data. Except this, current dust detector's sampling head is mostly fixed point and detects, only carries out static detection to a bit, can not carry out dynamic verification, and detection range is less, and the accuracy of testing result is not high.

Disclosure of Invention

The invention aims to provide a dust detection device, which solves the problem of poor detection accuracy of the existing dust detection device.

The technical scheme includes that the dust detection device comprises a shell, a dust detector body is arranged at the bottom in the shell and connected with a sampling head through a pipeline, a first propulsion mechanism is connected to one end, close to the sampling head, of the pipeline, a second propulsion mechanism is arranged on one side wall of the shell, the top of one end, far away from the dust detector body, of the shell is connected with a door through a hinge, and two sides of the inner portion of the door are connected with two side walls of the shell through telescopic rods respectively.

Yet another feature of the present invention is that,

the first propelling mechanism comprises a first linear motor arranged at the bottom in the shell, the first linear motor is connected with a first lead screw horizontally arranged, the first lead screw extends towards the door, a first guide rail is arranged below the first lead screw, a first sliding block is arranged on the first guide rail, the first sliding block is sleeved on the first lead screw, the top of the first sliding block is connected with a first clamping plate, and the first clamping plate is connected with a pipeline.

The second propulsion mechanism comprises a second linear motor which is arranged at the bottom in the shell and is close to the door, the second linear motor is connected with a second lead screw which is vertically arranged, the second lead screw extends towards the top of the shell, a second sliding block is sleeved on the second lead screw, one end of the second sliding block is arranged on a second guide rail, the second guide rail is arranged on one side wall in the shell, the other end of the second sliding block is connected with a connecting rod, and a second clamping plate is connected onto the connecting rod.

A handle is arranged at one end of the door close to the bottom of the shell.

The inside both sides of door are articulated with the one end of telescopic link, and the other end of telescopic link is articulated with two lateral walls in the casing.

The beneficial effect of the invention is that,

(1) the dust detection device is provided with the first pushing mechanism, the sampling head can be pushed out to the position near the door for sampling when in use, so that the area of contacted air is wider, and the sampling head is retracted into the shell after use, so that the dust detection device is convenient to use;

(2) the dust detection device is provided with the second propelling mechanism, the sampling head can be driven to reciprocate up and down, the sampling range is enlarged, dynamic sampling detection is carried out, the detection data is more objective, and the accuracy is higher;

(3) according to the dust detection device, the door is connected with the shell through the telescopic rod, the door can be supported at a proper position, and the supported door can play a rainproof role in rainy days.

Drawings

FIG. 1 is a schematic view of a dust detection apparatus according to the present invention;

FIG. 2 is a side view of a dust detection device of the present invention;

fig. 3 is a schematic structural diagram of a housing of a dust detection device according to the present invention.

In the figure, 1 is a shell, 2 is a dust detector body, 3 is a pipeline, 4 is a sampling head, 5 is a first linear motor, 6 is a first lead screw, 7 is a first guide rail, 8 is a first slide block, 9 is a first clamping plate, 10 is a second linear motor, 11 is a second lead screw, 12 is a second guide rail, 13 is a second slide block, 14 is a connecting rod, 15 is a second clamping plate, 16 is a door, 17 is a handle, and 18 is a telescopic rod.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The dust detection device comprises a shell 1, wherein a dust detector body 2 is arranged at the bottom in the shell 1, the dust detector body 2 is connected with a sampling head 4 through a pipeline 3, one end, close to the sampling head 4, of the pipeline 3 is connected with a first propulsion mechanism, a second propulsion mechanism is arranged on one side wall of the shell 1, the top of one end, far away from the dust detector body 2, of the shell 1 is connected with a door 16 through a hinge, one end, close to the bottom of the shell 1, of the door 16 is provided with a handle 17, and two sides in the door 16 are respectively connected with two side walls of the shell 1 through telescopic rods 18.

As shown in fig. 3, the inside both sides of door 16 are articulated with the one end of telescopic link 18, and two lateral walls are articulated in the other end of telescopic link 18 and the casing 1, during the use, open door 16, support through telescopic link 18, expose sampling head 4 and the air contact to carry out the dust detection, and door 16 owing to be the design of formula of turning up, can keep off the rain, prevents to drench sampling head 4, influences the test result.

First advancing mechanism is including setting up the first linear electric motor 5 of bottom in casing 1, first linear electric motor 5 is connected with the first lead screw 6 that the level set up, first lead screw 6 extends to 16 directions of door, the below of first lead screw 6 is provided with first guide rail 7, first guide rail 7 and first lead screw 6 parallel arrangement, be provided with first slider 8 on the first guide rail 7, first slider 8 cup joints on first lead screw 6, the top of first slider 8 is connected with first splint 9, first splint 9 is connected with pipeline 3.

The second advancing mechanism is including setting up in casing 1 bottom and the second linear electric motor 10 that is close to door 16, second linear electric motor 10 is connected with the second lead screw 11 of vertical setting, second lead screw 11 extends to the top of casing 1, second slider 13 has been cup jointed on the second lead screw 11, the one end of second slider 13 sets up on second guide rail 12, second guide rail 12 sets up on casing 1 inside wall, second lead screw 11 and second guide rail 12 parallel arrangement, the other end of second slider 13 is connected with connecting rod 14, be connected with second splint 15 on the connecting rod 14, second splint 15 are used for pressing from both sides tight pipeline 3, drive the up-and-down motion of sampling head 4.

The working process of the dust detection device is as follows:

when the sampling device is used, the door 16 is opened through the handle 17, the telescopic rod 18 is stretched to support the door at a proper position, the first linear motor 5 is started, the first lead screw 6 rotates to drive the first sliding block 8 to move towards the door 16 along the first guide rail 7, the first sliding block 8 drives the sampling head 4 to move towards the door 16 through the first clamping plate 9, when the sampling head 4 is brought to the second linear motor 10, the sampling head is taken out of the first jaw 9, the line 3 is placed in the second jaw 15, start dust detector body 2 and second linear electric motor 10, dust detector body 2 control sampling head 4 samples and detects, and second lead screw 11 rotates and drives second slider 13 along second guide rail 12 to the motion, and second slider 13 drives the motion of sampling head 4 through second splint 15, can sample under the developments, and the sampling range is great, and the sampling is more even accurate, then the testing result accuracy is higher.

By the mode, the door is connected with the shell through the telescopic rod, the door can be supported at a proper position, and the supported door can play a rainproof role in rainy days; be provided with first advancing mechanism, can release near the door sampling with the sampling head when using, make the air area of contact wider, after the use, inside the casing is received to the sampling head, avoid the sampling head to expose for a long time in the air and to the precision production influence of sampling head, be provided with second advancing mechanism, can drive the reciprocating motion about the sampling head, measure around, the scope of having increased the sampling, and carry out dynamic sampling and detect, detected data is more objective, the accuracy is higher.

Claims

1. The utility model provides a dust detection device, its characterized in that, includes casing (1), bottom in casing (1) is provided with dust detection appearance body (2), dust detection appearance body (2) are connected with sampling head (4) through pipeline (3), the one end that pipeline (3) are close to sampling head (4) is connected with first advancing mechanism, be provided with second advancing mechanism on the lateral wall of casing (1), there is door (16) at the one end top that dust detection appearance body (2) were kept away from in casing (1) through hinge connection, door (16) inside both sides are connected with two lateral walls of casing (1) through telescopic link (18) respectively.

2. The dust detection device according to claim 1, wherein the first propelling mechanism comprises a first linear motor (5) arranged at the bottom in the housing (1), the first linear motor (5) is connected with a first horizontally arranged lead screw (6), the first lead screw (6) extends towards the door (16), a first guide rail (7) is arranged below the first lead screw (6), a first sliding block (8) is arranged on the first guide rail (7), the first sliding block (8) is sleeved on the first lead screw (6), a first clamping plate (9) is connected to the top of the first sliding block (8), and the first clamping plate (9) is connected with the pipeline (3).

3. The dust detection device according to claim 1, wherein the second propelling mechanism comprises a second linear motor (10) which is arranged at the bottom in the housing (1) and is close to the door (16), the second linear motor (10) is connected with a second lead screw (11) which is vertically arranged, the second lead screw (11) extends to the top of the housing (1), a second slider (13) is sleeved on the second lead screw (11), one end of the second slider (13) is arranged on a second guide rail (12), the second guide rail (12) is arranged on one side wall in the housing (1), the other end of the second slider (13) is connected with a connecting rod (14), and a second clamping plate (15) is connected on the connecting rod (14).

4. A dust detection device according to claim 1, wherein a handle (17) is provided at one end of the door (16) near the bottom of the housing (1).

5. A dust detection device according to claim 1, wherein the two inner sides of the door (16) are hinged to one end of a telescopic rod (18), and the other end of the telescopic rod (18) is hinged to two side walls in the housing (1).