CN110296723A - A kind of coding/decoding method of anti-its decoder of sunlight wide angle photoelectric sensor - Google Patents
A kind of coding/decoding method of anti-its decoder of sunlight wide angle photoelectric sensor Download PDFInfo
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- CN110296723A CN110296723A CN201910603260.0A CN201910603260A CN110296723A CN 110296723 A CN110296723 A CN 110296723A CN 201910603260 A CN201910603260 A CN 201910603260A CN 110296723 A CN110296723 A CN 110296723A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009738 saturating Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 11
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006854 communication Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a kind of anti-sunlight wide angle photoelectric sensors, including lens case, lampshade, T-R tube and wiring board, the T-R tube and wiring board are electrically connected, lampshade is cased on the outside of T-R tube, T-R tube one end is connect with wiring board, lens case is arranged far from the side of wiring board in the lampshade, lens are set in lens case, described lens one end and decoder are electrically connected, the decoder identification decoding non-signal light, the coding/decoding method of decoder is simple, cooperating sensor to use has preferable using effect, lens case is filtered light source using saturating infrared light PC layers of black, filter effect is preferable, be conducive to light focusing, with preferable focusing effect, lens case inner surface is flat and smooth, it effectively prevent light to be diffusely reflected to slacken, focusing effect is good, it can be realized remote precisely focusing, outside T-R tube Lens case is close to after being cased with lampshade in side, realizes the transmitting-receiving of product wide angle, and the present invention is widely used in sensor and its relevant industries.
Description
Technical field
The present invention relates to sensor technical field, specifically a kind of anti-its decoder of sunlight wide angle photoelectric sensor
Coding/decoding method.
Background technique
Sensor precision is accurate with advances in technology and gradually, but due to the influence in China geographical location, light
Irradiation can have some impact on sensor, especially photoelectric sensor, and since sunlight is Quan Guangpu, common photoelectric transfer device is connect
Receiving portions are easy to that the interference of sunlight can be arrived, and are allowed to disabler, and the sensitivity of photoelectric sensor is sensitiveer, therefore meeting
It is affected in the state of intense light irradiation, or even with the enhanced strength of light, the influence to broadcasting and TV sensor increases, not only can be straight
The accuracy for influencing sensor is connect, the service life of sensor is also affected.
It is better than traditional sensor additionally, due to the propagation distance of photoelectric sensor itself, therefore in the process of setting installation
In be partial to transmit at a distance, therefore, in order to keep sensor distance farther, use emitted at small angles under normal circumstances, but meeting
Occur due to apart from it is too far when, cause to receive and dispatch angle too small, and generate photoelectric sensor and do not receive signal.
Summary of the invention
The present invention provides a kind of coding/decoding method of anti-its decoder of sunlight wide angle photoelectric sensor is existing to solve
Sensor signal transmission of angle is compared with minor issue in technology.
In order to solve the above-mentioned technical problem, the invention discloses following technical solutions:
A kind of anti-sunlight wide angle photoelectric sensor, including lens case, lampshade, T-R tube and wiring board, the receipts
Hair pipe is electrically connected with wiring board, is cased with lampshade on the outside of T-R tube, described T-R tube one end is connect with wiring board, and the lampshade is remote
Lens case is arranged in side from wiring board, and lens are arranged in lens case, and described lens one end and decoder are electrically connected, institute
State decoder identification decoding non-signal light.
The lens case is PC layers, the saturating infrared light of PC layers of black.
The lens case is plano-convex structure, the lens case front end protrusion.
The inner surface of the lens is smooth structure.
Diverter is arranged in the lens lower end, and the diverter and decoder are electrically connected.
Monolithic counter is set in the T-R tube.
A kind of coding/decoding method of anti-sunlight wide angle photoelectric sensor decoder, including following decoding step:
Step a, the pulse that the inventive sensor transmitting terminal transmitting signal period is 1.34ms.
Step b, monolithic counter is enabled after receiving end is powered, and enabled infrared receiver interrupts, if received at this time
Infrared pulse signal is then counted, then is executed and judged that monolithic counter counts whether the period reaches 3.4ms；If do not connect
Infrared pulse signal is received, then jumps to execution in next step and judges whether counter cycle reaches 3.4ms；
Step c, monolithic counter is triggered when counter timing reaches 3.4ms to interrupt, and carries out single-chip microcontroller counting
Whether device flip-flop number judges to receive at this time pulse number in given threshold, relaxes criterion herein, when sunlight irradiates,
Within the 3.4ms time, disturbing pulse can be had once in a while, by this criterion, can effectively filter out interference.Such as meet condition,
Detection signal counting is then carried out, condition is such as unsatisfactory for, then is jumped directly in next step, the threshold value is within the scope of 3-8.
Step d, it carries out judging whether monolithic counter triggering number is equal to 8 again, if so, then carrying out judging detection signal meter
Whether numerical value is greater than 5, such as eligible, then determines to detect signal, such as ineligible, then determines not detect signal；This
Whether place's criterion detection signal number is greater than 5, dry by unnecessary sunlight in specified period for further filtering out
Disturb signal.
Step e, monolithic counter reset is executed again, and detection signal number resets, and receives pulse counter and resets.
By above technical scheme as it can be seen that the invention has the following advantages that
1, the configuration of the present invention is simple designs small and exquisite, suitable industrialization large-scale production.
2, lens case of the present invention is filtered light source using saturating infrared light PC layers of black, and filter effect is preferable.
3, lens case of the present invention uses plano-convex structure, is conducive to light focusing, has preferable focusing effect.
4, lens case inner surface of the present invention is flat and smooth, effectively prevent light to be diffusely reflected and slackens.
5, focusing effect of the present invention is good, can be realized remote precisely focusing.
6, it is close to lens case after being cased with lampshade on the outside of T-R tube of the present invention, realizes the transmitting-receiving of product wide angle.
7, the coding/decoding method of inventive decoder is simple, and decoding effect is good, and cooperation sensor, which uses, has preferable use
Effect.
8, the present invention is widely used in sensor and its relevant industries.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the decoding process figure of inventive decoder.
Wherein: 1, lens case；2, lampshade；3, T-R tube；4, wiring board；5, lens；6, decoder.
Specific embodiment
A kind of anti-sunlight wide angle photoelectric sensor, including lens case 1, lampshade 2, T-R tube 3 and wiring board 4, institute
It states T-R tube 3 and wiring board 4 is electrically connected, be cased with lampshade 2 on the outside of T-R tube 3, described 3 one end of T-R tube is connect with wiring board 4,
Lens case 1 is arranged far from the side of wiring board 4 in the lampshade 2, is arranged lens 5 in lens case 1, described 5 one end of lens with
Decoder 6 is electrically connected, the identification of the decoder 6 decoding non-signal light.
The lens case 1 is PC layers, and the saturating infrared light of PC layers of black can directly filter out the non-mesh of the overwhelming majority
Light source is marked, interference is reduced.
The lens case 1 is plano-convex structure, can effective focused light source, 1 front end of lens case protrusion, Neng Gouyou
Effect reduces diffusing reflection effect of the light in lens case 1.
5 inner surface of lens is smooth structure, reduces energy loss of the light in communication process.
Diverter is arranged in 5 lower end of lens, and the diverter and decoder 6 are electrically connected, and can guarantee that decoder 6 exists
It is driven by electricity lower automatic adjustment decoding angle, guarantees the decoding effect of sensor.
Monolithic counter is set in the T-R tube 3, the operation of triggering property can be carried out by monolithic counter.
A kind of coding/decoding method of anti-sunlight wide angle photoelectric sensor decoder, including following decoding step:
Step a, the pulse that the inventive sensor transmitting terminal transmitting signal period is 1.34ms.
Step b, monolithic counter is enabled after receiving end is powered, and enabled infrared receiver interrupts, if received at this time
Infrared pulse signal is then counted, then is executed and judged that monolithic counter counts whether the period reaches 3.4ms；If do not connect
Infrared pulse signal is received, then jumps to execution in next step and judges whether counter cycle reaches 3.4ms；
Step c, monolithic counter is triggered when counter timing reaches 3.4ms to interrupt, and carries out single-chip microcontroller counting
Whether device flip-flop number judges to receive at this time pulse number in given threshold, relaxes criterion herein, when sunlight irradiates,
Within the 3.4ms time, disturbing pulse can be had once in a while, by this criterion, can effectively filter out interference；Such as meet condition,
Detection signal counting is then carried out, condition is such as unsatisfactory for, then is jumped directly in next step, the threshold value is within the scope of 3-8.
Step d, it carries out judging whether monolithic counter triggering number is equal to 8 again, if so, then carrying out judging detection signal meter
Whether numerical value is greater than 5, such as eligible, then determines to detect signal, such as ineligible, then determines not detect signal；This
Whether place's criterion detection signal number is greater than 5, dry by unnecessary sunlight in specified period for further filtering out
Disturb signal.
Step e, monolithic counter reset is executed again, and detection signal number resets, and receives pulse counter and resets.
Claims (7)
1. a kind of anti-sunlight wide angle photoelectric sensor, including lens case (1), lampshade (2), T-R tube (3) and wiring board
(4), the T-R tube (3) and wiring board (4) are electrically connected, it is characterised in that: it is cased with lampshade (2) on the outside of T-R tube (3), it is described
T-R tube (3) one end is connect with wiring board (4), and lens case (1) is arranged far from the side of wiring board (4) in the lampshade (2), thoroughly
Lens (5) are set in mirror shell (1), described lens (5) one end and decoder (6) are electrically connected, decoder (6) the identification solution
Code non-signal light.
2. a kind of anti-sunlight wide angle photoelectric sensor according to claim 1, it is characterised in that: the lens case
It (1) is PC layers, the saturating infrared light of PC layers of black.
3. a kind of anti-sunlight wide angle photoelectric sensor according to claim 1, it is characterised in that: the lens case
It (1) is plano-convex structure, lens case (1) the front end protrusion.
4. a kind of anti-sunlight wide angle photoelectric sensor according to claim 1, it is characterised in that: the lens (5)
Inner surface is smooth structure.
5. a kind of anti-sunlight wide angle photoelectric sensor according to claim 1, it is characterised in that: the lens (5)
Diverter is arranged in lower end, and the diverter and decoder (6) are electrically connected.
6. a kind of anti-sunlight wide angle photoelectric sensor according to claim 1, it is characterised in that: the T-R tube
(3) monolithic counter is set in.
7. a kind of coding/decoding method of anti-sunlight wide angle photoelectric sensor decoder, it is characterised in that: walked including following decoding
It is rapid:
Step a, the pulse that the inventive sensor transmitting terminal transmitting signal period is 1.34ms；
Step b, monolithic counter is enabled after receiving end is powered, and enabled infrared receiver interrupts, if received at this time infrared
Pulse signal is then counted, then is executed and judged that monolithic counter counts whether the period reaches 3.4ms；If do not received
Infrared pulse signal then jumps to execution in next step and judges whether counter cycle reaches 3.4ms；
Step c, monolithic counter is triggered when counter timing reaches 3.4ms to interrupt, and carries out monolithic counter touching
Hair counts, and whether judges to receive pulse number at this time in given threshold, relaxes criterion herein, when sunlight irradiates,
In the 3.4ms time, disturbing pulse can be had once in a while, such as meets condition, then carries out detection signal counting, be such as unsatisfactory for condition,
It then jumps directly in next step, the threshold value is within the scope of 3-8；
Step d, it carries out judging whether monolithic counter triggering number is equal to 8 again, if so, then carrying out judging detection signal count value
Whether 5 are greater than, such as eligible, then judgement detects signal, and it is such as ineligible, then determine not detect signal；
Step e, monolithic counter reset is executed again, and detection signal number resets, and receives pulse counter and resets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603260.0A CN110296723B (en) | 2019-07-05 | 2019-07-05 | Sunlight-resistant wide-angle photoelectric sensor and decoding method of decoder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603260.0A CN110296723B (en) | 2019-07-05 | 2019-07-05 | Sunlight-resistant wide-angle photoelectric sensor and decoding method of decoder thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110296723A true CN110296723A (en) | 2019-10-01 |
| CN110296723B CN110296723B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910603260.0A Active CN110296723B (en) | 2019-07-05 | 2019-07-05 | Sunlight-resistant wide-angle photoelectric sensor and decoding method of decoder thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1127309A (en) * | 1997-07-04 | 1999-01-29 | Meidensha Corp | Optical repeater |
| CN201181336Y (en) * | 2008-04-03 | 2009-01-14 | 甘海苗 | Long-distance scattered reflection type photoelectric sensor |
| CN104913796A (en) * | 2015-01-29 | 2015-09-16 | 上海兰宝传感科技股份有限公司 | Long-distance correlated photoelectric sensor based on aspheric lens |
| CN204948082U (en) * | 2015-09-01 | 2016-01-06 | 深圳光启智能光子技术有限公司 | A kind of light signal receiving |
| CN106405524A (en) * | 2016-08-24 | 2017-02-15 | 上海兰宝传感科技股份有限公司 | Infrared distance measuring sensor |
| CN107422431A (en) * | 2017-08-23 | 2017-12-01 | 李婵 | A kind of dust-proof input equipment optical lens module |
| CN210180462U (en) * | 2019-07-05 | 2020-03-24 | 上海托菲机电科技有限公司 | Anti-sunlight wide-angle photoelectric sensor |
-
2019
- 2019-07-05 CN CN201910603260.0A patent/CN110296723B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1127309A (en) * | 1997-07-04 | 1999-01-29 | Meidensha Corp | Optical repeater |
| CN201181336Y (en) * | 2008-04-03 | 2009-01-14 | 甘海苗 | Long-distance scattered reflection type photoelectric sensor |
| CN104913796A (en) * | 2015-01-29 | 2015-09-16 | 上海兰宝传感科技股份有限公司 | Long-distance correlated photoelectric sensor based on aspheric lens |
| CN204948082U (en) * | 2015-09-01 | 2016-01-06 | 深圳光启智能光子技术有限公司 | A kind of light signal receiving |
| CN106405524A (en) * | 2016-08-24 | 2017-02-15 | 上海兰宝传感科技股份有限公司 | Infrared distance measuring sensor |
| CN107422431A (en) * | 2017-08-23 | 2017-12-01 | 李婵 | A kind of dust-proof input equipment optical lens module |
| CN210180462U (en) * | 2019-07-05 | 2020-03-24 | 上海托菲机电科技有限公司 | Anti-sunlight wide-angle photoelectric sensor |
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| CN110296723B (en) | 2024-05-03 |
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Country or region after: China Address after: 200000 room 13603, No. 2072, Songjin Road, Zhangyan Town, Jinshan District, Shanghai Applicant after: Tofe sensing technology (Shanghai) Co.,Ltd. Address before: 200000 room 13603, No. 2072, Songjin Road, Zhangyan Town, Jinshan District, Shanghai Applicant before: SHANGHAI TOFI ELECTRICAL TECHNOLOGY CO.,LTD. Country or region before: China |
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