CN209247584U - Dust concentration automonitor - Google Patents
Dust concentration automonitor Download PDFInfo
- Publication number
- CN209247584U CN209247584U CN201821805227.3U CN201821805227U CN209247584U CN 209247584 U CN209247584 U CN 209247584U CN 201821805227 U CN201821805227 U CN 201821805227U CN 209247584 U CN209247584 U CN 209247584U
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- laser
- cleaning structure
- face
- dust concentration
- automonitor
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model embodiment discloses a kind of dust concentration automonitor, including laser emitter, laser pickoff, detection circuit, sample detecting chamber, adsorption pump, the first cleaning structure, the second cleaning structure and controller: laser emitter and laser pickoff are set to that sample detecting is intracavitary, and adsorption pump is connected with sample detecting chamber；Detection circuit is electrically connected with laser pickoff；Laser emitter includes laser-emitting face, and the first cleaning structure is in contact with laser-emitting face, and can be reciprocating in the plane in laser-emitting face institute；Laser pickoff includes laser pick-off face, and the second cleaning structure is in contact with laser pick-off face, and can be reciprocating in the plane in laser pick-off face institute；First cleaning structure and the second cleaning structure are connected with controller.The utility model provides dust concentration automonitor, and the accuracy rate of dust concentration detection can be improved.
Description
Technical field
The utility model embodiment is related to dust concentration detection technique more particularly to a kind of utility model title.
Background technique
Laser transmission method, scattering method measurement dust in air concentration are universal measurement methods.Specifically, gas flows through laser
When beam irradiation area, the dust particles in gas can be such that laser scatters, and receive transmitted light using a light-sensitive element or dissipate
Light is penetrated, by transmitted light or intensity, the pulse frequency etc. of scattering light light, i.e. light-sensitive element exports electric signal, can converse unit
Dust concentration in flow.
But existing dust concentration automonitor is after prolonged use, on the laser-emitting face of laser emitter with
And some dust particles can be adhered on the laser pick-off face of laser pickoff, undoubtedly this part dust particles can to transmitted light or dissipate
Intensity, the pulse frequency etc. for penetrating light light have some impact on, so that dust concentration detection accuracy declines.
Utility model content
The utility model provides a kind of dust concentration automonitor, to realize the accuracy rate for improving dust concentration detection.
The utility model embodiment provides a kind of dust concentration automonitor, including laser emitter, laser pick-off
Device, detection circuit, sample detecting chamber, adsorption pump, the first cleaning structure, the second cleaning structure and controller:
It is intracavitary that the laser emitter and the laser pickoff are set to the sample detecting, the adsorption pump with it is described
Sample detecting chamber is connected；The detection circuit is electrically connected with the laser pickoff；
The laser emitter includes laser-emitting face, and first cleaning structure is in contact with the laser-emitting face,
And it can be reciprocating in the plane in the laser-emitting face institute；The laser pickoff includes laser pick-off face, described
Second cleaning structure is in contact with the laser pick-off face, and can make back and forth to transport in the plane in the laser pick-off face
It is dynamic；
First cleaning structure and second cleaning structure are connected with the controller.
Further, first cleaning structure and second cleaning structure include cleaning brush.
The utility model embodiment includes laser-emitting face by the laser emitter, first cleaning structure and institute
It states laser-emitting face to be in contact, and can be reciprocating in the plane in the laser-emitting face institute；The laser pickoff
Including laser pick-off face, second cleaning structure is in contact with the laser pick-off face, and can be in the laser pick-off face
Institute is reciprocating in the plane；First cleaning structure and second cleaning structure are connected with the controller, solution
Certainly existing dust concentration automonitor after prolonged use, on the laser-emitting face of laser emitter and laser pick-off
Some dust particles can be adhered on the laser pick-off face of device, so that the problem of dust concentration detection accuracy declines, realization is mentioned
The effect of Concentration Testing precision dusty.
Detailed description of the invention
Fig. 1 is the structural representation of dust concentration automonitor provided by the embodiment of the utility model.
Specific embodiment
It is described in detail below in conjunction with feature and principle of the attached drawing to the utility model, illustrated embodiment is only used for explaining
The utility model not limits the protection scope of the utility model with this.
Fig. 1 is the structural representation of dust concentration automonitor provided by the embodiment of the utility model.Referring to Fig. 1, the powder
Dust concentration automonitor includes laser emitter 11, laser pickoff 12, detection circuit 13, sample detecting chamber 14, adsorption pump
15, the first cleaning structure 16, the second cleaning structure 17 and controller (not shown in figure 1).The laser emitter 11 and described
Laser pickoff 12 is set in the sample detecting chamber 13, and the adsorption pump 15 is connected with the sample detecting chamber 13；It is described
Detection circuit 13 is electrically connected with the laser pickoff 12.The laser emitter 11 include laser-emitting face 110, described first
Cleaning structure 16 is in contact with the laser-emitting face 110, and can make in the plane back and forth in the laser-emitting face 110
Movement；The laser pickoff 12 includes laser pick-off face 120, second cleaning structure 17 and the laser pick-off face 120
It is in contact, and can be reciprocating in the plane in 120 institute of laser pick-off face；First cleaning structure 16 and described
Second cleaning structure 17 is connected with the controller.
Wherein, laser emitter 11 is for emitting laser.Laser pickoff 12 encounters in air-flow for receiving laser beam
Produced scattering light or transmitted light when particulate matter, and convert optical signals to electric signal.Detection circuit 13 is used for the electric signal
It amplifies, the final outputs dust concentration such as analog-to-digital conversion.Controller is for controlling the first cleaning structure 16 in laser-emitting face
It moves back and forth on 110, and the second cleaning structure 17 of control moves back and forth on laser pick-off face 120.
The utility model embodiment includes laser-emitting face by the laser emitter, first cleaning structure and institute
It states laser-emitting face to be in contact, and can be reciprocating in the plane in the laser-emitting face institute；The laser pickoff
Including laser pick-off face, second cleaning structure is in contact with the laser pick-off face, and can be in the laser pick-off face
Institute is reciprocating in the plane；First cleaning structure and second cleaning structure are connected with the controller, this
Sample can be spaced setting time interval (such as 5 minutes) when in use, by the way that controller is arranged, using the first cleaning structure to described
Laser-emitting face is cleaned, while being cleaned using the second cleaning structure to the laser pick-off face.It can solve in this way
Existing dust concentration automonitor after prolonged use, on the laser-emitting face of laser emitter and laser pickoff
Laser pick-off face on can adhere to some dust particles so that dust concentration detection accuracy decline the problem of, realize improve
The effect of dust concentration detection accuracy.
Optionally, first cleaning structure 16 and second cleaning structure 17 include cleaning brush.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (2)
1. a kind of dust concentration automonitor, which is characterized in that including laser emitter, laser pickoff, detection circuit, adopt
Sample test chamber, adsorption pump, the first cleaning structure, the second cleaning structure and controller:
It is intracavitary that the laser emitter and the laser pickoff are set to the sample detecting, the adsorption pump and the sampling
Test chamber is connected；The detection circuit is electrically connected with the laser pickoff；
The laser emitter includes laser-emitting face, and first cleaning structure is in contact with the laser-emitting face, and can
With reciprocating in the plane in the laser-emitting face institute；The laser pickoff includes laser pick-off face, and described second
Cleaning structure is in contact with the laser pick-off face, and can be reciprocating in the plane in the laser pick-off face institute；
First cleaning structure and second cleaning structure are connected with the controller.
2. dust concentration automonitor according to claim 1, which is characterized in that first cleaning structure and described
Second cleaning structure includes cleaning brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821805227.3U CN209247584U (en) | 2018-11-02 | 2018-11-02 | Dust concentration automonitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821805227.3U CN209247584U (en) | 2018-11-02 | 2018-11-02 | Dust concentration automonitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209247584U true CN209247584U (en) | 2019-08-13 |
Family
ID=67526934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821805227.3U Active CN209247584U (en) | 2018-11-02 | 2018-11-02 | Dust concentration automonitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209247584U (en) |
-
2018
- 2018-11-02 CN CN201821805227.3U patent/CN209247584U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic dust concentration monitoring instrument Effective date of registration: 20230731 Granted publication date: 20190813 Pledgee: Bank of China Limited Wuhan Jiang'an sub branch Pledgor: WUHAN JINGLAN DETECTION CO.,LTD. Registration number: Y2023980050331 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |