CN201373838Y - Linear tester of a particle concentration monitor - Google Patents
Linear tester of a particle concentration monitor Download PDFInfo
- Publication number
- CN201373838Y CN201373838Y CN200920144804U CN200920144804U CN201373838Y CN 201373838 Y CN201373838 Y CN 201373838Y CN 200920144804 U CN200920144804 U CN 200920144804U CN 200920144804 U CN200920144804 U CN 200920144804U CN 201373838 Y CN201373838 Y CN 201373838Y
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- China
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- passage
- refraction
- test device
- linearity test
- particle concentration
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Abstract
The utility model discloses a linear tester of a particle concentration monitor, comprising a lens, a glass window and a linear tester frame body, wherein an incident channel and a refraction channel are set on the linear tester frame body; the incident channel directly faces to a laser emitter, and the refraction channel is aligned with the receiving area of the optical signal receiver of the monitor; two mirror bodies are set between the rear ends of the incident channel and the refraction channel; one mirror body is set on the incident channel, and the other one mirror body is set on the refraction channel; two mirror bodies have a Dove prism refraction effect angle; the device is characterized that a light attenuating piece inserting channel vertically intersected with the refraction channel is set on the linear tester frame body; light attenuating pieces are inserted in the light attenuating piece inserting channel. The utility model has advantages of acquiring stable signals with different strengths, transmitting acquired signals to the monitor, simulating different working states of the monitor with very convenient use.
Description
Technical field
The utility model relates to the field of the tester of environment supervision instrument, is a kind of linearity test device of particle concentration monitor specifically.
Background technology
Be mainly derived from fire coal at present China needed energy of developing the economy, coal-fired particle that discharges and sulphuric dioxide are the major pollutants that cause atmospheric environment to worsen.The particle concentration monitor is an instrument indispensable in the environmental monitoring, and this kind monitor can provide fast to environment supervision department, quantitative soot emissions data reliably and accurately.According to the technical requirement HJ/T 75-2007 of environmental administration, HJ/T 76-2007 is the accuracy of test monitoring instrument itself, need carry out the linearity test to instrument.
Summary of the invention
The purpose of this utility model provides a kind of stable light signal that obtains varying strength, and passes to monitoring instrument, the linearity test device different operating state of analog meter, the particle concentration monitor.
The purpose of this utility model is achieved through the following technical solutions.
A kind of linearity test device of particle concentration monitor, comprise lens, windowpane and linearity test device support body, lens and windowpane are arranged at the outside of linearity test device support body, on the linearity test device support body, be provided with incident passage and refraction passage, the incident passage faces generating laser, the receiving area of refraction channel alignment monitor optical signal receiver, lens and windowpane face the refraction passage, rear end at incident passage and refraction passage is provided with two specular surface bodies, two specular surface bodies are mutually the angle with Dove prism refraction effect, the refract light of incident light after two specular surface body refractions penetrates from the refraction passage, it is characterized in that: on the linearity test device support body, be provided with the optical attenuation sheet and insert passage, the optical attenuation sheet inserts passage and intersects with the refraction channel vertical, inserts on the passage at the optical attenuation sheet and is inserted with the optical attenuation sheet.
Described optical attenuation sheet includes the optical attenuation sheet by decay intensity from 0% to 100%.
Be used to prolong the fiber optics that distance that light transmits increases the length of calibrating installation thereby be provided with in the described incident passage.
It is the rectangular parallelepiped cavity that described optical attenuation sheet inserts passage.
Described refraction passage is cylindrical refraction passage, and the optical attenuation sheet is the circular light attenuator, and its area of a circle is slightly larger than the sectional area of cylindrical refraction passage.
The optical axis of described incident light is parallel with the optical axis of refract light.
Front end in specular surface body on described incident passage and the refraction passage is provided with the glass window sheet.
The rear side of described two specular surface bodies is equipped with and is used to regulate the holding screw that forms Dove prism refraction effect angle.
Described specular surface body is a mach stainless steel part.
The middle part of described linearity test device support body is provided with register pin.
The utlity model has following advantage:
The utility model inserts passage owing to be provided with the optical attenuation sheet on the linearity test device support body, the optical attenuation sheet inserts passage and intersects with the refraction channel vertical, on attenuator insertion passage, be inserted with the optical attenuation sheet, can obtain different light intensity by the attenuator that inserts the differential declines degree like this, simulate the duty of high, medium and low concentration respectively, thus the stable light signal of varying strength can be obtained, and pass to monitoring instrument, the different operating state of analog meter uses also very convenient.
Owing to be provided with fiber optics in the incident passage,, increase the length of calibrating installation so can prolong the distance that light transmits.
Description of drawings
Fig. 1 is the linearity test device structural representation of the utility model particle concentration monitor.
Embodiment
Be described further below in conjunction with the embodiment of accompanying drawing the linearity test device of the utility model particle concentration monitor.
As shown in Figure 1, a kind of linearity test device of particle concentration monitor, comprise lens 1, windowpane 3 and linearity test device support body 4, on linearity test device support body 4, be provided with incident passage 41 and refraction passage 42, incident passage 41 faces a generating laser 2, refraction passage 42 is aimed at the receiving area of monitor optical signal receiver, lens 1 are arranged at the outside of linearity test device support body 4 with windowpane 3 and face refraction passage 42, rear end at incident passage 41 and refraction passage 42 is provided with glass window sheet 43 and two specular surface bodies 44,45, specular surface body 44, specular surface body 45 also can integral production and is become one, specular surface body is stainless steel part or the copper spare that machine work is made into, the refract light of incident light after specular surface body 44 refractions penetrates from refraction passage 42, and wherein the optical axis of incident light is parallel with the optical axis of refract light.The rear side of two specular surface bodies is equipped with and is used to regulate the holding screw 46 that forms Dove prism refraction effect angle.
Three holes wherein can be set on linearity test device support body 4, face generating laser 2 and penetrate that hole in ejaculation path of laser as incident passage 41, that hole of the receiving area of aligning monitor optical signal receiver is as refraction passage 42, incident passage 41 and refraction passage 42 are cylindrical channel, another hole is that the optical attenuation sheet of cuboid inserts passage 6, the optical attenuation sheet inserts passage 6 and intersects vertically with refraction passage 42, on attenuator insertion passage 6, be inserted with optical attenuation sheet 5, optical attenuation sheet 5 is the circular light attenuator, be fixed on out the rectangular parallelepiped machined piece of circular hole, this rectangular parallelepiped is wide, it is slightly little that height ratio inserts passage 6, long limit is longer slightly than inserting passage 6, is convenient to staff and arrests insertion and taking-up.Optical attenuation sheet 5 includes the optical attenuation sheet by decay intensity from 0% to 100%, during test, linearity checker is inserted monitoring instrument, make register pin 47 insert the pin-and-hole of instrument, the incident passage is to generating laser 2, in whole test process, need not to take down tester, but insert different optical attenuation sheets 5, and can obtain simulating the output valve of high, medium and low variable concentrations value, very convenient to use.Be provided with the fiber optics that is used to prolong the distance of light transmission and increases the length of calibrating installation in the incident passage 41.Regulate holding screw 46 and can control the angle of specular surface body 44, thus the angle of control refraction laser.Be provided with register pin 47 on calibrating device, the pin-and-hole that is used to insert on the instrument makes incident passage 41 of the present utility model aim at the ejaculation path of laser.
Claims (10)
1, a kind of linearity test device of particle concentration monitor, comprise lens, windowpane and linearity test device support body, lens and windowpane are arranged at the outside of linearity test device support body, on the linearity test device support body, be provided with incident passage and refraction passage, the incident passage faces generating laser, the receiving area of refraction channel alignment monitor optical signal receiver, lens and windowpane face the refraction passage, rear end at incident passage and refraction passage is provided with two specular surface bodies, two specular surface bodies are mutually the angle with Dove prism refraction effect, the refract light of incident light after two specular surface body refractions penetrates from the refraction passage, it is characterized in that: on the linearity test device support body, be provided with the optical attenuation sheet and insert passage, the optical attenuation sheet inserts passage and intersects with the refraction channel vertical, inserts on the passage at the optical attenuation sheet and is inserted with the optical attenuation sheet.
2, the linearity test device of particle concentration monitor according to claim 1 is characterized in that: described optical attenuation sheet includes the optical attenuation sheet by decay intensity from 0% to 100%.
3, the linearity test device of particle concentration monitor according to claim 1 is characterized in that: be used to prolong the fiber optics that distance that light transmits increases the length of calibrating installation thereby be provided with in the described incident passage.
4, according to the linearity test device of claim 1 or 2 or 3 described particle concentration monitors, it is characterized in that: it is the rectangular parallelepiped cavity that described optical attenuation sheet inserts passage.
5, the linearity test device of particle concentration monitor according to claim 4 is characterized in that: described refraction passage is cylindrical refraction passage, and the optical attenuation sheet is circle and the circular face area cross-sectional area greater than the refraction passage.
6, the linearity test device of particle concentration monitor according to claim 5 is characterized in that: the optical axis of described incident light is parallel with the optical axis of refract light.
7, the linearity test device of particle concentration monitor according to claim 6 is characterized in that: the front end in specular surface body on described incident passage and the refraction passage is provided with the glass window sheet.
8, the linearity test device of particle concentration monitor according to claim 7 is characterized in that: the rear side of described two specular surface bodies is equipped with and is used to regulate the holding screw that forms Dove prism refraction effect angle.
9, the linearity test device of particle concentration monitor according to claim 8 is characterized in that: described specular surface body is a mach stainless steel part or a copper spare.
10, the linearity test device of particle concentration monitor according to claim 9 is characterized in that: the middle part of described linearity test device support body is provided with register pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920144804U CN201373838Y (en) | 2009-02-27 | 2009-02-27 | Linear tester of a particle concentration monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920144804U CN201373838Y (en) | 2009-02-27 | 2009-02-27 | Linear tester of a particle concentration monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373838Y true CN201373838Y (en) | 2009-12-30 |
Family
ID=41499923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920144804U Expired - Lifetime CN201373838Y (en) | 2009-02-27 | 2009-02-27 | Linear tester of a particle concentration monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201373838Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969190A (en) * | 2014-05-07 | 2014-08-06 | 长春理工大学 | Automatic calibration device for laser type extinction smoke meter |
| CN105004645A (en) * | 2014-04-21 | 2015-10-28 | 安荣信科技(北京)有限公司 | In-situ knob type calibration apparatus |
| CN108918363A (en) * | 2018-03-23 | 2018-11-30 | 重庆山楂树科技有限公司 | Gas auxiliary detection device |
-
2009
- 2009-02-27 CN CN200920144804U patent/CN201373838Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004645A (en) * | 2014-04-21 | 2015-10-28 | 安荣信科技(北京)有限公司 | In-situ knob type calibration apparatus |
| CN105004645B (en) * | 2014-04-21 | 2020-02-11 | 安荣信科技(北京)有限公司 | In-situ knob type calibration device |
| CN103969190A (en) * | 2014-05-07 | 2014-08-06 | 长春理工大学 | Automatic calibration device for laser type extinction smoke meter |
| CN108918363A (en) * | 2018-03-23 | 2018-11-30 | 重庆山楂树科技有限公司 | Gas auxiliary detection device |
| CN108918363B (en) * | 2018-03-23 | 2020-06-30 | 重庆山楂树科技有限公司 | Gas auxiliary detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091230 |
|
| CX01 | Expiry of patent term |