CN112254753A - System capable of improving anti-interference capability of photoelectric switch - Google Patents
System capable of improving anti-interference capability of photoelectric switch Download PDFInfo
- Publication number
- CN112254753A CN112254753A CN202011055612.2A CN202011055612A CN112254753A CN 112254753 A CN112254753 A CN 112254753A CN 202011055612 A CN202011055612 A CN 202011055612A CN 112254753 A CN112254753 A CN 112254753A
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- photoelectric switch
- compressed air
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- mounting hole
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- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000007664 blowing Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 9
- 230000005693 optoelectronics Effects 0.000 claims description 9
- 230000036039 immunity Effects 0.000 claims 1
- 230000002411 adverse Effects 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000036632 reaction speed Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000779 smoke Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01D5/54—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
- G01D5/58—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 using optical means, i.e. using infrared, visible or ultraviolet light
-
- 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
- G01D5/54—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
- G01D5/56—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 using electric or magnetic means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention relates to a system capable of improving the anti-interference capability of a photoelectric switch, which comprises a photoelectric switch mounting bin, a photoelectric switch and a compressed air blowing system, wherein the photoelectric switch mounting bin is provided with a plurality of photoelectric switches; the photoelectric switch mounting bin is provided with a photoelectric switch mounting hole, a detection hole and a mounting hole; the compressed air injection system comprises a compressed air pipeline, a nozzle and an electromagnetic valve; the spout is installed in the mounting hole, and compressed air pipeline's one end and spout are connected, and the other end is connected with compressed air source, is provided with the solenoid valve on compressed air pipeline. The technical scheme can eliminate or reduce external adverse factors which influence the detection accuracy and sensitivity of the photoelectric switch, ensure that the detection of the photoelectric switch is sensitive and accurate, and eliminate the generation of error signals of the photoelectric switch due to the external adverse factors, thereby ensuring the normal operation of equipment and eliminating the quality, equipment and safety accidents caused by the normal operation of the equipment; the technical scheme has the advantages of simple structure, low manufacturing and maintenance cost, convenient installation, high regulation reaction speed and wide application range.
Description
Technical Field
The invention belongs to the technical field of universal material detection devices, and particularly relates to an accurate and timely photoelectric switch in the process of detecting materials, which eliminates error information generated by external factor interference and ensures the normal operation of equipment.
Background
Photoelectric switch wide application has simple to operate, detect sensitively, characteristics such as energy consumption low in industrial and mining enterprises and logistics company, but in the use, because the influence of external environment is disturbed, factors such as dust, smog, condensate water can make photoelectric switch produce the false signal (when not having the material promptly, because dust, smog and detection face appear the condensate water, send there is the thing signal), cause the false action of next grade procedure (process), the normal operating of equipment is influenced to the light person, serious cause product quality, equipment trouble, personal safety accident.
Therefore, a system capable of improving the anti-interference performance of the photoelectric switch is needed, which can eliminate the condensed water generated on the detection surface of the photoelectric switch due to the large environmental humidity, reduce the concentration of dust and smoke in the detection path, ensure that the detection surface of the photoelectric switch is clean and dry, is sensitive and accurate in detection, and reduce the influence of dust and smoke, thereby ensuring the normal operation of the equipment, and has the characteristics of simple structure, low manufacturing cost and easy popularization.
Disclosure of Invention
The invention aims to provide a system capable of improving the anti-interference capability of a photoelectric switch, and aims to solve the problems of quality, equipment and safety accidents caused by the fact that the photoelectric switch generates an error signal to influence the normal operation of equipment due to the influence of the external environment on the detection accuracy and sensitivity of the photoelectric switch in the use process of the photoelectric switch.
The invention is realized by the following technical scheme:
a system capable of improving the anti-interference capability of a photoelectric switch comprises a photoelectric switch mounting bin, the photoelectric switch and a compressed air blowing system;
the photoelectric switch mounting bin is a hollow cuboid, mounting plates are formed by extending outwards from two sides of the cuboid, each mounting plate is provided with a fastening hole, a photoelectric switch mounting hole is formed in the outer vertical surface of the photoelectric switch mounting bin and used for mounting a photoelectric switch, a detection hole is formed in the vertical surface opposite to the photoelectric switch mounting hole, and a mounting hole is formed in the side vertical surface of the photoelectric switch mounting bin;
the compressed air injection system comprises a compressed air pipeline, a nozzle and an electromagnetic valve; the nozzle is installed in the mounting hole, one end of the compressed air pipeline is connected with the nozzle, the other end of the compressed air pipeline is connected with a compressed air source, and the compressed air pipeline is provided with an electromagnetic valve.
Preferably, the fastening hole is a long hole.
Preferably, a filtering pressure reducing valve is arranged between the nozzle and the electromagnetic valve.
Preferably, the device comprises a controller, and the controller is in electric signal connection with both the electromagnetic valve and the filtering and pressure reducing valve.
Preferably, a pressure sensor is arranged in the photoelectric switch installation bin and used for detecting the pressure in the photoelectric switch installation bin, and the pressure sensor is in electric signal connection with the controller.
Preferably, the pressure in the optoelectronic switch mounting chamber is greater than the external ambient pressure.
The invention has the beneficial effects that:
the technical scheme can eliminate or reduce external adverse factors which influence the detection accuracy and sensitivity of the photoelectric switch, ensure that the detection of the photoelectric switch is sensitive and accurate, and eliminate the generation of error signals of the photoelectric switch due to the external adverse factors, thereby ensuring the normal operation of equipment and eliminating the quality, equipment and safety accidents caused by the normal operation of the equipment; the technical scheme has the advantages of simple structure, low manufacturing and maintenance cost, convenient installation, high regulation reaction speed and wide application range.
Drawings
FIG. 1 is a schematic diagram of a system for improving the anti-interference capability of an optoelectronic switch;
fig. 2 is a schematic structural view of the photoelectric switch installation bin.
Description of the reference numerals
The device comprises a photoelectric switch mounting bin 1, a mounting plate 2, a screw fastening hole 3, a photoelectric switch detection hole 4, a mounting hole 5, a photoelectric switch mounting hole 6, a nozzle 7, an electromagnetic valve 8, a filtering pressure reducing valve 9, a compressed air pipeline 10, screws 11 and a photoelectric switch 12.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
As shown in figure 1, the system capable of improving the anti-interference capability of the photoelectric switch comprises a photoelectric switch mounting bin and a compressed air injection system, wherein the photoelectric switch mounting bin 1 is a structure for mounting and positioning the photoelectric switch and injecting and fixing compressed air, and the compressed air injection system provides clean compressed air with certain pressure for the photoelectric switch mounting bin.
As shown in fig. 1 and fig. 2, the optoelectronic switch installation bin 1 of the present application is a hollow rectangular parallelepiped structure, and in this embodiment, is surrounded by a thin stainless steel plate, and in other embodiments of the present application, it may also be made of other materials, without affecting the implementation of the technical solution of the present application. The inner vertical surface of the cuboid extends towards two sides to form a mounting plate 2 respectively, the plane where the mounting plate is located and the inner vertical surface are on the same plane, and at least one screw fastening hole 3 with a certain length (oblong shape) is arranged on each mounting plate so as to adjust the horizontal position of the mounting bin and fix the mounting bin.
In the embodiments of the present application, the inner vertical plane, the outer vertical plane, and the side vertical plane are all relative concepts. Be provided with a photoelectric switch mounting hole 6 on the outer vertical surface in switch off installation storehouse, the diameter of photoelectric switch mounting hole sets up according to photoelectric switch's external diameter, be provided with a photoelectric switch inspection hole 4 on the interior vertical surface relative with the photoelectric switch mounting hole, photoelectric switch detection hole's diameter should guarantee the unobstructed in photoelectric switch detection route, side vertical surface in photoelectric switch installation storehouse is provided with a mounting hole 5, a spout 7 for installing compressed air jetting system, the diameter and the spout of mounting hole can cooperate fast.
Compressed air jetting system is by compressed air pipeline 10, filtration relief pressure valve 9, solenoid valve 8 and spout 7, and the spout is installed on the mounting hole, and compressed air pipeline's one end and spout are connected, and the other end is connected with clean stable compressed air source, and on compressed air pipeline, the self-blowing mouth has set gradually and has filtered relief pressure valve and solenoid valve.
In the technical scheme of this application, still include the controller, controller and solenoid valve electric signal connection for open or close of control solenoid valve. In the technical scheme of this application, still be provided with pressure sensor in photoelectric switch installation storehouse, pressure sensor is used for detecting the pressure in the photoelectric switch installation storehouse, pressure sensor will detect signal transmission and give the controller, the controller judges when the pressure in photoelectric switch installation storehouse is less than or equal to outer ambient pressure, the controller control solenoid valve is opened, the outlet pressure of control filtration relief pressure valve for pressure in the photoelectric switch installation storehouse is greater than the pressure of outer environment. The electromagnetic valve is a switch for controlling the blowing of the system, is controlled by the controller, is automatically opened when needed, and is automatically closed when the system is stopped or not needed, so as to achieve the purpose of saving energy.
According to the technical scheme, as shown in figure 2, a photoelectric switch 12 is fixed to the position of a photoelectric switch mounting hole, a nozzle is mounted to the position of the mounting hole, a compressed air pipeline is connected to the nozzle, a photoelectric switch mounting bin is fixed to the position needing to be detected through a fastening hole by a screw 11, the transmitting end and the receiving end of the photoelectric switch correspond to each other through left and right adjustment, and smooth signal receiving is guaranteed. And then the power supply of the controller is switched on, the electromagnetic valve is opened, the output pressure of the filtering and reducing valve is adjusted according to the field environment condition, the internal pressure of the photoelectric switch installation bin is ensured to be higher than the external environment pressure, so that water mist, dust or smoke in the outside environment cannot enter the installation bin, the detection surface of the photoelectric switch cannot be polluted by the dust and the smoke, water beads cannot be condensed on the detection surface, and the detection surface is clean and dry.
Simultaneously if the dust in the environment, smog or water smoke are great, hinder photoelectric switch normal detection article, the outlet pressure of filtration relief pressure valve can be suitably increaseed, make the pressure in the installation storehouse rise, the air current is spouted from the inspection hole and is blown out, will form one along the measuring path clean, the air current that the penetrability is good, blow off the dust on the measuring path, smog or water smoke, provide a good measuring path for photoelectric switch, reduce the adverse effect of outside harmful factor to the detection, can improve photoelectric switch's detection accuracy and sensitivity, reduce the emergence of error signal.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A system capable of improving the anti-interference capability of a photoelectric switch is characterized by comprising a photoelectric switch mounting bin, the photoelectric switch and a compressed air blowing system;
the photoelectric switch mounting bin is a hollow cuboid, mounting plates are formed by extending outwards from two sides of the cuboid, each mounting plate is provided with a fastening hole, a photoelectric switch mounting hole is formed in the outer vertical surface of the photoelectric switch mounting bin and used for mounting a photoelectric switch, a detection hole is formed in the vertical surface opposite to the photoelectric switch mounting hole, and a mounting hole is formed in the side vertical surface of the photoelectric switch mounting bin;
the compressed air injection system comprises a compressed air pipeline, a nozzle and an electromagnetic valve; the nozzle is installed in the mounting hole, one end of the compressed air pipeline is connected with the nozzle, the other end of the compressed air pipeline is connected with a compressed air source, and the compressed air pipeline is provided with an electromagnetic valve.
2. The system for improving the interference rejection capability of an optoelectronic switch as claimed in claim 1, wherein said fastening hole is a long hole.
3. The system for improving the interference resistance of an optoelectronic switch according to claim 1, wherein a filtering pressure reducing valve is disposed between said nozzle and said electromagnetic valve.
4. The system according to claim 3, wherein the system comprises a controller, and the controller is electrically connected to both the solenoid valve and the filtering pressure reducing valve.
5. The system according to claim 4, wherein a pressure sensor is disposed in the optoelectronic switch installation chamber for detecting the pressure in the optoelectronic switch installation chamber, and the pressure sensor is electrically connected to the controller.
6. The system for improving the immunity of an optoelectronic switch to interference of any one of claims 1 to 5, wherein the pressure inside said optoelectronic switch installation chamber is greater than the external ambient pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055612.2A CN112254753A (en) | 2020-09-29 | 2020-09-29 | System capable of improving anti-interference capability of photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055612.2A CN112254753A (en) | 2020-09-29 | 2020-09-29 | System capable of improving anti-interference capability of photoelectric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112254753A true CN112254753A (en) | 2021-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011055612.2A Pending CN112254753A (en) | 2020-09-29 | 2020-09-29 | System capable of improving anti-interference capability of photoelectric switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN112254753A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050241625A1 (en) * | 2004-05-03 | 2005-11-03 | C.R.F. Societa Consortile Per Azioni | Gas feeding system for an internal combustion engine, having a pressure reducing valve and a pressure regulating solenoid valve |
| CN202133441U (en) * | 2011-06-30 | 2012-02-01 | 河南中烟工业有限责任公司 | Metering tube with automatic cleaning device |
| CN203537362U (en) * | 2013-09-29 | 2014-04-09 | 河南中烟工业有限责任公司 | Self-cleaning photoelectric switch |
| CN205708205U (en) * | 2016-04-26 | 2016-11-23 | 江苏中烟工业有限责任公司 | Dedusting feeder anti-block apparatus |
| CN205757137U (en) * | 2016-05-25 | 2016-12-07 | 河南中烟工业有限责任公司 | A kind of anti-fracture type bin type feeding machine |
| CN205842114U (en) * | 2016-07-08 | 2016-12-28 | 河南中烟工业有限责任公司 | A kind of with the protected and photoswitch mounting bracket of Dual positioning |
| CN205902791U (en) * | 2016-07-08 | 2017-01-25 | 河南中烟工业有限责任公司 | Integral type photoelectric switch installs protective bracket |
| CN205904180U (en) * | 2016-07-13 | 2017-01-25 | 河南中烟工业有限责任公司 | A clear device that blows of air curtain formula for photoelectric switch |
| CN206270233U (en) * | 2016-11-18 | 2017-06-20 | 天津邦纳科技有限公司 | Optical window automatic blowout device in a kind of flue gas monitoring pipeline |
-
2020
- 2020-09-29 CN CN202011055612.2A patent/CN112254753A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050241625A1 (en) * | 2004-05-03 | 2005-11-03 | C.R.F. Societa Consortile Per Azioni | Gas feeding system for an internal combustion engine, having a pressure reducing valve and a pressure regulating solenoid valve |
| CN202133441U (en) * | 2011-06-30 | 2012-02-01 | 河南中烟工业有限责任公司 | Metering tube with automatic cleaning device |
| CN203537362U (en) * | 2013-09-29 | 2014-04-09 | 河南中烟工业有限责任公司 | Self-cleaning photoelectric switch |
| CN205708205U (en) * | 2016-04-26 | 2016-11-23 | 江苏中烟工业有限责任公司 | Dedusting feeder anti-block apparatus |
| CN205757137U (en) * | 2016-05-25 | 2016-12-07 | 河南中烟工业有限责任公司 | A kind of anti-fracture type bin type feeding machine |
| CN205842114U (en) * | 2016-07-08 | 2016-12-28 | 河南中烟工业有限责任公司 | A kind of with the protected and photoswitch mounting bracket of Dual positioning |
| CN205902791U (en) * | 2016-07-08 | 2017-01-25 | 河南中烟工业有限责任公司 | Integral type photoelectric switch installs protective bracket |
| CN205904180U (en) * | 2016-07-13 | 2017-01-25 | 河南中烟工业有限责任公司 | A clear device that blows of air curtain formula for photoelectric switch |
| CN206270233U (en) * | 2016-11-18 | 2017-06-20 | 天津邦纳科技有限公司 | Optical window automatic blowout device in a kind of flue gas monitoring pipeline |
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Application publication date: 20210122 |