CN112803934A - Correlation type photoelectric switch detection method - Google Patents
Correlation type photoelectric switch detection method Download PDFInfo
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- CN112803934A CN112803934A CN202011577138.XA CN202011577138A CN112803934A CN 112803934 A CN112803934 A CN 112803934A CN 202011577138 A CN202011577138 A CN 202011577138A CN 112803934 A CN112803934 A CN 112803934A
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- photoelectric switch
- switch signal
- signal receiver
- shading
- box
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
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Abstract
The invention discloses a correlation type photoelectric switch detection method, which is characterized by comprising the following steps: the device comprises a shading box, a shading sheet, a photoelectric switch signal receiver mounting plate, a photoelectric switch signal receiver positioning plate, a photoelectric switch signal transmitter positioning plate, a photoelectric switch signal receiver and a photoelectric switch signal transmitter positioning plate, wherein the shading box is provided with a cavity; the photoelectric switch signal receiver is positioned on one side of the shading box; a shading sheet is fixed on the other side of the shading box through a fastening piece, and a central hole is formed in the center of the shading sheet; wherein the optoelectronic switch signal receiver is secured to the optoelectronic switch signal receiver mounting plate using a pair of clamping nuts. By adopting the scheme, the photoelectric switch system is not easily interfered by an external light source and the air quantity and the air speed, is suitable for field remote operation, enhances the installation stability while avoiding the influence of outdoor strong light and ensuring the stable receiving of correlation signals, and effectively saves the installation time of the whole photoelectric switch system.
Description
Technical Field
The invention belongs to the technical field of opposite-type photoelectric switch protection, and particularly relates to a detection method of an opposite-type photoelectric switch.
Background
The correlation type photoelectric switch is characterized in that: discernment opaque reflection of light object, the effective distance is big, is difficult for receiving the interference, high sensitivity, high resolution, hi-lite, low-power consumption, response time is fast, long service life, and wide application is in equipment such as small household electrical appliances, slot machines, auto-induction ware, facsimile machine, scanner or other automation line. However, these scenes are often used under indoor conditions, and the reception of the photoelectric switching signal is less affected by strong light and weather conditions, and can be performed more stably. When the correlation photoelectric switch is applied to an outdoor engineering site, a remote correlation signal of the correlation photoelectric switch can be directly interfered by sunlight and air quantity and air speed, so that the switch is misjudged or fails, a detection error is generated, a signal monitoring result is directly influenced, the construction progress and personnel scheduling of the engineering site are influenced, and unnecessary loss is caused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a correlation type photoelectric switch detection method which is not easily interfered by an external light source and air quantity and air speed and is suitable for field remote operation. The optimal design of the maximum degree that this detection device realized when avoiding outdoor highlight to influence and guaranteeing correlation signal stable reception, has strengthened the stability of installation to the installation time of a whole set of photoelectric switch system has effectively been saved.
The invention is realized in this way, a correlation type photoelectric switch detection method, which is characterized in that: firstly, manufacturing a correlation type photoelectric switch protection device; the opposite-emitting photoelectric switch protection device comprises a shading box, a shading sheet, a photoelectric switch signal receiver mounting plate, a photoelectric switch signal receiver positioning plate and a photoelectric switch signal transmitter positioning plate; the light shielding box is provided with a cavity, a frosted surface is arranged in the cavity, and the light shielding box and the photoelectric switch signal receiver are horizontally and coaxially arranged; the photoelectric switch signal receiver is positioned on one side of the shading box; a light shielding sheet is fixed on the other side of the light shielding box through a fastening piece, a central hole is formed in the central position of the light shielding sheet, and the central hole, the photoelectric switch signal receiver and the light shielding box are horizontally and coaxially arranged; the photoelectric switch signal transmitter and the photoelectric switch signal receiver are arranged in a correlation mode at the same height; wherein the optoelectronic switch signal receiver is secured to the optoelectronic switch signal receiver mounting plate using a pair of clamping nuts; the photoelectric switch signal emitter is fixed on the photoelectric switch signal emitter mounting plate by using another pair of clamping nuts; the photoelectric switch signal receiver mounting plate and the photoelectric switch signal receiver positioning plate are fixed by nuts;
then the correlation type photoelectric switch protection device is arranged at a designated position; starting the photoelectric switch signal transmitter, wherein the photoelectric switch signal receiver receives an optical signal sent by the photoelectric switch signal transmitter, and the photoelectric switch signal receiver indicator light is on for a long time; the light signal firstly passes through the shading sheet and the shading box to filter the interference of an external light source, when the object to be detected passes through a detection area between the photoelectric switch signal transmitter and the receiver, the indicating lamp of the photoelectric switch signal receiver is turned off, and the signal lamp of the receiving end is turned back to be long and bright after the object to be detected leaves the detection area; thus, one detection is completed.
In the above technical solution, preferably, the light shielding box is a tubular structure.
In the above technical solution, preferably, the shading box is a square pipe, and has a length of 100mm, a width of 32mm, a height of 32mm, and a thickness of 2 mm.
In the above technical scheme, preferably, the light-shielding box and the light-shielding sheet are both made of metal or nonmetal, and the frosted surface is arranged in the cavity of the light-shielding box.
In the above technical solution, preferably, the light shielding sheet is square, 32mm wide and 32mm high, and has a concentric circular hole inside and a diameter of 19 mm.
The invention has the advantages and technical effects that: according to the invention, the installation device of the correlation type photoelectric switch is optimally designed, the shading box and the shading sheet are installed, a closed relatively dark environment is created, the influence of infrared rays in natural light is reduced, the infrared signals received by the photoelectric switch receiver mainly come from the transmitting end, the misjudgment probability is reduced, the purpose of stable correlation is achieved, and stable and accurate signal receiving is realized. The optimal design of the maximum degree that detection device realized when avoiding outdoor highlight to influence and guaranteeing correlation signal stable reception, has strengthened the stability of installation and the flexibility of dismantlement to the installation time of a whole set of photoelectric switch system has effectively been saved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an exploded perspective view of fig. 1.
Fig. 1, shading box; 2. a shading sheet; 2-1, a central hole; 3. a photoelectric switch signal receiver mounting plate; 4. a photoelectric switch signal receiver mounting plate; 5. a photoelectric switch signal emitter positioning plate; 6. a photoelectric switch signal receiver; 7. a photoelectric switch signal transmitter; 8. the nuts are clamped.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a method for detecting a correlation-type photoelectric switch is characterized in that: firstly, manufacturing a correlation type photoelectric switch protection device;
the opposite-emitting photoelectric switch protection device comprises a shading box 1, a shading sheet 2, a photoelectric switch signal receiver mounting plate 3, a photoelectric switch signal receiver positioning plate 4 and a photoelectric switch signal transmitter positioning plate 5; the light shielding box is provided with a cavity, a frosted surface is arranged in the cavity, and the light shielding box and the photoelectric switch signal receiver are horizontally and coaxially arranged; the photoelectric switch signal receiver is positioned on one side of the shading box; a light shielding sheet 2 is fixed on the other side of the light shielding box through a fastener screw, a central hole 2-1 is formed in the central position of the light shielding sheet, and the central hole, the photoelectric switch signal receiver and the light shielding box are horizontally and coaxially arranged; the photoelectric switch signal transmitter and the photoelectric switch signal receiver are arranged in a correlation mode at the same height; wherein the photoelectric switch signal receiver is fixed on the photoelectric switch signal receiver mounting plate by using a pair of clamping nuts 8; the photoelectric switch signal emitter is fixed on the photoelectric switch signal emitter mounting plate by using another pair of clamping nuts 8; the photoelectric switch signal receiver mounting plate and the photoelectric switch signal receiver positioning plate are fixed by nuts;
then the correlation type photoelectric switch protection device is arranged at a designated position; starting the photoelectric switch signal transmitter, wherein the photoelectric switch signal receiver receives an optical signal sent by the photoelectric switch signal transmitter, and the photoelectric switch signal receiver indicator light is on for a long time; the light signal firstly passes through the shading sheet and the shading box, the interference of an external light source is filtered, when a measured object passes through a detection area (the correlation distance is less than 15 meters) between the photoelectric switch signal transmitter and the receiver, the indicating lamp of the photoelectric switch signal receiver is turned off, and the signal lamp of the receiving end is turned on after the measured object leaves the detection area; thus, one detection is completed.
In the above technical solution, preferably, the light shielding box is a tubular structure; the materials are easy to obtain through the tubular structure, and the installation and the processing are facilitated.
In the above technical solution, preferably, the shading box is a square pipe, and has a length of 100mm, a width of 32mm, a height of 32mm, and a thickness of 2 mm.
In the above technical scheme, preferably, the light-shielding box and the light-shielding sheet are both made of metal or nonmetal, and the frosted surface is arranged in the cavity of the light-shielding box.
In the above technical solution, preferably, the light shielding sheet is square, 32mm wide and 32mm high, and has a concentric circular hole inside and a diameter of 19 mm.
According to the invention, the installation device of the correlation type photoelectric switch is optimally designed, the shading box and the shading sheet are installed, a closed relatively dark environment is created, the influence of infrared rays in natural light is reduced, the infrared signals received by the photoelectric switch receiver mainly come from the transmitting end, the misjudgment probability is reduced, the purpose of stable correlation is achieved, and stable and accurate signal receiving is realized. The optimal design of the maximum degree that detection device realized when avoiding outdoor highlight to influence and guaranteeing correlation signal stable reception, has strengthened the stability of installation and the flexibility of dismantlement to the installation time of a whole set of photoelectric switch system has effectively been saved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A correlation type photoelectric switch detection method is characterized in that: firstly, manufacturing a correlation type photoelectric switch protection device; the opposite-emitting photoelectric switch protection device comprises a shading box, a shading sheet, a photoelectric switch signal receiver mounting plate, a photoelectric switch signal receiver positioning plate and a photoelectric switch signal transmitter positioning plate; the light shielding box is provided with a cavity, a frosted surface is arranged in the cavity, and the light shielding box and the photoelectric switch signal receiver are horizontally and coaxially arranged; the photoelectric switch signal receiver is positioned on one side of the shading box; a light shielding sheet is fixed on the other side of the light shielding box through a fastening piece, a central hole is formed in the central position of the light shielding sheet, and the central hole, the photoelectric switch signal receiver and the light shielding box are horizontally and coaxially arranged; the photoelectric switch signal transmitter and the photoelectric switch signal receiver are arranged in a correlation mode at the same height; wherein the optoelectronic switch signal receiver is secured to the optoelectronic switch signal receiver mounting plate using a pair of clamping nuts; the photoelectric switch signal emitter is fixed on the photoelectric switch signal emitter mounting plate by using another pair of clamping nuts; the photoelectric switch signal receiver mounting plate and the photoelectric switch signal receiver positioning plate are fixed by nuts;
then the correlation type photoelectric switch protection device is arranged at a designated position; starting the photoelectric switch signal transmitter, wherein the photoelectric switch signal receiver receives an optical signal sent by the photoelectric switch signal transmitter, and the photoelectric switch signal receiver indicator light is on for a long time; the light signal firstly passes through the shading sheet and the shading box to filter the interference of an external light source, when the object to be detected passes through a detection area between the photoelectric switch signal transmitter and the receiver, the indicating lamp of the photoelectric switch signal receiver is turned off, and the signal lamp of the receiving end is turned back to be long and bright after the object to be detected leaves the detection area; thus, one detection is completed.
2. The correlation photoelectric switch detection method according to claim 1, wherein: the shading box is of a tubular structure.
3. The opposite-type photoelectric switch detection method according to claim 2, wherein: the shading box is a square pipeline, and is 100mm long, 32mm wide, 32mm high, and 2mm thick.
4. The correlation photoelectric switch detection method according to claim 1, wherein: the shading box and the shading sheet are both made of metal materials or non-metal materials.
5. The correlation photoelectric switch detection method according to claim 4, wherein: the light shading sheet is square, 32mm in width and 32mm in height, is internally provided with concentric round holes, and has the diameter of 19 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011577138.XA CN112803934A (en) | 2020-12-28 | 2020-12-28 | Correlation type photoelectric switch detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011577138.XA CN112803934A (en) | 2020-12-28 | 2020-12-28 | Correlation type photoelectric switch detection method |
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| Publication Number | Publication Date |
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| CN112803934A true CN112803934A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011577138.XA Withdrawn CN112803934A (en) | 2020-12-28 | 2020-12-28 | Correlation type photoelectric switch detection method |
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| CN (1) | CN112803934A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855135A (en) * | 2023-02-21 | 2023-03-28 | 西安感崆电子信息科技有限公司 | Detection equipment for output signal stability of photoelectric sensor |
| CN116466149A (en) * | 2023-02-28 | 2023-07-21 | 济南铸锻所检验检测科技有限公司 | Device for detecting response time of photoelectric protection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003133934A (en) * | 2001-10-25 | 2003-05-09 | Sunx Ltd | Photoelectric switch |
| US20130292551A1 (en) * | 2012-05-03 | 2013-11-07 | Tien-Ming Chou | Photoelectric Switch and Photoelectric Switch Housing Thereof |
| CN206450845U (en) * | 2017-01-16 | 2017-08-29 | 成都天蓝化工科技有限公司 | Correlation photoelectricity valve switch detector |
| CN208754263U (en) * | 2018-08-02 | 2019-04-16 | 宁夏银川大河数控机床有限公司 | A kind of semiclosed correlation optoelectronic switch cover |
-
2020
- 2020-12-28 CN CN202011577138.XA patent/CN112803934A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003133934A (en) * | 2001-10-25 | 2003-05-09 | Sunx Ltd | Photoelectric switch |
| US20130292551A1 (en) * | 2012-05-03 | 2013-11-07 | Tien-Ming Chou | Photoelectric Switch and Photoelectric Switch Housing Thereof |
| CN206450845U (en) * | 2017-01-16 | 2017-08-29 | 成都天蓝化工科技有限公司 | Correlation photoelectricity valve switch detector |
| CN208754263U (en) * | 2018-08-02 | 2019-04-16 | 宁夏银川大河数控机床有限公司 | A kind of semiclosed correlation optoelectronic switch cover |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855135A (en) * | 2023-02-21 | 2023-03-28 | 西安感崆电子信息科技有限公司 | Detection equipment for output signal stability of photoelectric sensor |
| CN115855135B (en) * | 2023-02-21 | 2023-07-28 | 西安感崆电子信息科技有限公司 | Detection equipment for stability of output signal of photoelectric sensor |
| CN116466149A (en) * | 2023-02-28 | 2023-07-21 | 济南铸锻所检验检测科技有限公司 | Device for detecting response time of photoelectric protection device |
| CN116466149B (en) * | 2023-02-28 | 2024-01-16 | 济南铸锻所检验检测科技有限公司 | Device for detecting response time of photoelectric protection device |
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Application publication date: 20210514 |
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