CN201307001Y - Window ash quantity detector - Google Patents
Window ash quantity detector Download PDFInfo
- Publication number
- CN201307001Y CN201307001Y CNU2008201536726U CN200820153672U CN201307001Y CN 201307001 Y CN201307001 Y CN 201307001Y CN U2008201536726 U CNU2008201536726 U CN U2008201536726U CN 200820153672 U CN200820153672 U CN 200820153672U CN 201307001 Y CN201307001 Y CN 201307001Y
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- infrared light
- window
- light receiver
- ash quantity
- processing part
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- Expired - Lifetime
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Abstract
The utility model relates to a window ash quantity detector which comprises an optical processing part and an electronic processing part. The detector is characterized in that the optical processing part comprises an infrared light transmitter and an infrared light receiver, wherein, the infrared light transmitter is arranged at the upper part on the right side of the glass window, and the infrared light receiver is arranged at the middle part on the right side of the glass window; and the electronic processing part comprises an infrared light transmitter, a power driving circuit and a high stability oscillator which are coupled in sequence, as well as an infrared light receiver, an amplifier, a frequency selection filter, a wave detector, a direct-current output circuit and a background compensation circuit which are coupled in sequence. The utility model has the advantages that the infrared light for detecting the ash quantity radiates towards the window from the interior of the machine, the entire device is put in a clean environment in the machine, and the problem that the external device is polluted by the dust is overcome; and the ash quantity detector provided by the utility model is assembled in the III type and V type carcass scanner of the company respectively, and the ash quantity detection at the scanning head and the excess warning are achieved.
Description
Technical field
The utility model relates to a kind of window ash amount detecting device.
Background technology
The optical scanning head of the existing trunk scanner of calcine technology in the world all is equipped with the window of a transmitted infrared light, and target infrared light transmission window is received by infrared eye, is transformed into electric signal.This window is a very important problem to the decay of infrared light.The attenuation of window is caused that by a plurality of reasons the material of window has absorption to infrared light, and this is the decay of fixing, in case material is selected, this decay factor system can revise.In actual applications, on the window often there be dust stratification, inevitable thing, and this grieshoch also causes absorption, decay to infrared light, influences the temperature reading of scanner.And, how many times to time change of dust stratification, different with the environment of producer, thereby the correction of dust stratification influence, must determine that measure the precision of temperature in order to guarantee the trunk scanner, this correction can not be ignored by concrete detection to grieshoch.
The utility model content
The purpose of this utility model provides a kind of window ash amount detecting device, can overcome the defective of above scanner, determines window dust stratification decay factor, guarantees the temperature measurement accuracy of trunk scanner.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of window ash amount detecting device, comprise optical processing part and electronics processing section, described optical processing partly comprises infrared transmitter and infrared light receiver, infrared transmitter is arranged on the right upper portion of window glass in the machine, the infrared light receiver is arranged on the right side central of window glass in the machine, the infrared light of infrared transmitter emission is radiated on the window glass internal layer and is transmitted through skin, if the dirt ash particle is arranged on the skin, then infrared light is scattered, this scattered light is received by the infrared light receiver, the size of scattered light is relevant with ash amount size, dust stratification is many more, scattering is many more, and the electric signal of infrared light receiver output is also big more, can measure the size of ash amount thus quantitatively; Described electronics processing section comprises the infrared transmitter of coupling successively, power driving circuit, high stable oscillator and the infrared light receiver that is coupled successively, amplifier, frequency-selecting filter, wave detector, direct current output and background compensation circuit, the pulse ingoing power driving circuit that produces by the high stable oscillator wherein, produce thus and drive the needed electric current of infrared transmitter, send the light of pulse, the light of this high frequency modulated by the outer field dust granule scattering of window glass after, receive by the infrared light receiver, produce photocurrent, amplify through amplifier, and through frequency-selecting filter taking-up high-frequency signal, detect direct current signal by wave detector then, before direct current output, carry out level trim by the background compensation circuit, obtain at last and the corresponding DC level accurately of ash amount.
The beneficial effects of the utility model are: detect directive window in the infrared light slave of ash amount, whole device all is in the machine in the clean environment, has overcome in originally the experience problem of contamination by dust of machine external apparatus; Detect and use infrared light modulated, modulating frequency is in outside the system electronic passband; Catoptrical influence has been avoided in the arrangement of infrared transmitter and receiver position; Detect the scattered light of dirt ash, rather than transmitted light, as the foundation of ash amount size; Grey amount detecting device of the present invention has been assemblied in the III of our company type and the V-type trunk scanner, realizes that scanning head ash amount detects and excess is reported to the police.
Description of drawings
Fig. 1 is the index path of window ash amount detecting device described in the utility model;
Fig. 2 is the electronics handling principle block diagram of window ash amount detecting device described in the utility model.
Among the figure:
1, infrared transmitter; 2, window glass; 3, dust granule; 4, infrared light receiver.
Embodiment
Shown in Fig. 1-2, window ash amount detecting device described in the utility model, comprise optical processing part and electronics processing section, described optical processing partly comprises infrared transmitter 1 and infrared light receiver 4, infrared transmitter 1 is arranged on the right upper portion of window glass 2, infrared light receiver 4 is arranged on the right side central of window glass, the infrared light of infrared transmitter 1 emission is radiated on window glass 2 internal layers and is transmitted through skin, if dirt ash particle 3 is arranged on the skin, then infrared light is scattered, this scattered light is received by infrared light receiver 4, the size of scattered light is relevant with ash amount size, and dust stratification is many more, and scattering is many more, the electric signal of infrared light receiver 4 receivers output is also big more, can measure the size of ash amount thus quantitatively; Described electronics processing section comprises the infrared transmitter 1 of coupling successively, power driving circuit, high stable oscillator and the infrared light receiver 4 that is coupled successively, amplifier, frequency-selecting filter, wave detector, direct current output and background compensation circuit, the pulse ingoing power driving circuit that produces by the high stable oscillator wherein, produce thus and drive infrared transmitter 1 needed electric current, send the light of pulse, the light of this high frequency modulated by window glass 2 outer field dust granule 3 scatterings after, receive by infrared light receiver 4, produce photocurrent, amplify through amplifier, and through frequency-selecting filter taking-up high-frequency signal, detect direct current signal by wave detector then, before direct current output, carry out level trim by the background compensation circuit, obtain at last and the corresponding DC level accurately of ash amount.
Claims (1)
1, a kind of window ash amount detecting device, comprise optical processing part and electronics processing section, it is characterized in that: described optical processing partly comprises infrared transmitter and infrared light receiver, infrared transmitter is arranged on the right upper portion of window glass, and the infrared light receiver is arranged on the right side central of window glass; Described electronics processing section comprises infrared light receiver, amplifier, frequency-selecting filter, wave detector, direct current output and the background compensation circuit of infrared transmitter, power driving circuit, high stable oscillator and the coupling successively of coupling successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201536726U CN201307001Y (en) | 2008-09-28 | 2008-09-28 | Window ash quantity detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201536726U CN201307001Y (en) | 2008-09-28 | 2008-09-28 | Window ash quantity detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201307001Y true CN201307001Y (en) | 2009-09-09 |
Family
ID=41099465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201536726U Expired - Lifetime CN201307001Y (en) | 2008-09-28 | 2008-09-28 | Window ash quantity detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201307001Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706659A (en) * | 2016-12-22 | 2017-05-24 | 武汉理工光科股份有限公司 | Digital detection system and method for flame detector |
| CN107490563A (en) * | 2017-07-31 | 2017-12-19 | 浙江大学昆山创新中心 | A kind of measurement apparatus and method of monitoring instrument diaphragm laying dust |
| CN109238473A (en) * | 2018-11-02 | 2019-01-18 | 汕头大学 | A kind of apparatus and method that the interference of infrared image sensor array dust is calibrated |
| CN110530522A (en) * | 2019-10-16 | 2019-12-03 | 山东智邦环境工程有限公司 | A kind of dust mutually examines self-cleaning type novel spark survey meter |
-
2008
- 2008-09-28 CN CNU2008201536726U patent/CN201307001Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706659A (en) * | 2016-12-22 | 2017-05-24 | 武汉理工光科股份有限公司 | Digital detection system and method for flame detector |
| CN106706659B (en) * | 2016-12-22 | 2019-09-10 | 武汉理工光科股份有限公司 | Flame detector digitized detection system and method |
| CN107490563A (en) * | 2017-07-31 | 2017-12-19 | 浙江大学昆山创新中心 | A kind of measurement apparatus and method of monitoring instrument diaphragm laying dust |
| CN109238473A (en) * | 2018-11-02 | 2019-01-18 | 汕头大学 | A kind of apparatus and method that the interference of infrared image sensor array dust is calibrated |
| CN109238473B (en) * | 2018-11-02 | 2020-08-11 | 汕头大学 | Device and method for calibrating dust interference of infrared image array sensor |
| CN110530522A (en) * | 2019-10-16 | 2019-12-03 | 山东智邦环境工程有限公司 | A kind of dust mutually examines self-cleaning type novel spark survey meter |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090909 |