CN113916268A - Photoelectric sensor with adjustable measuring distance - Google Patents
Photoelectric sensor with adjustable measuring distance Download PDFInfo
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- CN113916268A CN113916268A CN202111518494.9A CN202111518494A CN113916268A CN 113916268 A CN113916268 A CN 113916268A CN 202111518494 A CN202111518494 A CN 202111518494A CN 113916268 A CN113916268 A CN 113916268A
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- 238000004140 cleaning Methods 0.000 claims abstract description 41
- 230000017525 heat dissipation Effects 0.000 claims abstract description 35
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 230000010354 integration Effects 0.000 claims description 28
- 230000001681 protective effect Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 240000004282 Grewia occidentalis Species 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 32
- 239000000523 sample Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 20
- 230000001070 adhesive effect Effects 0.000 description 20
- 238000010438 heat treatment Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to the field of photoelectric sensors, in particular to a photoelectric sensor with adjustable measuring distance, which aims to solve the problem that manual ash removal is difficult on the surface area of a probe of the photoelectric sensor, and adopts the following technology: the cleaning brush and the fan blow air to clean the outer surface of the transmitting end of the photoelectric sensor; be equipped with the fan in one side of base, the fan can accelerate the heat dissipation of controller collection box, sets up cleaning device at the middle part of base, and cleaning device's the soft cover of U type and clean brush can clean the surface of photoelectric sensor transmitting terminal, and the fan is when aiming at clean brush and blowing, avoids the surface of dust adhesion and photoelectric sensor transmitting terminal once more.
Description
Technical Field
The invention relates to the field of photoelectric sensors, in particular to a photoelectric sensor with adjustable measuring distance.
Background
The photoelectric sensor is a sensor using a photoelectric element as a detection element;
the Chinese patent application number is CN201620220301.X, the patent name is a photoelectric sensor with adjustable measuring distance, which comprises a sliding base, an emission supporting seat, an optical transmitter and an optical receiver, wherein the sliding base is provided with the emission supporting seat, the emission supporting seat is provided with the optical transmitter, the opposite side of the emission supporting seat is provided with a receiving supporting seat, the optical receiver is arranged in the receiving supporting seat, the tail end of the optical receiver is provided with a wiring terminal, the rear end of the wiring terminal is provided with a detection circuit, the middle part of the sliding base is provided with a micro linear motor, the top of the micro linear motor is provided with a detection object placing table, the input end in the optical receiver is provided with a condensing lens, the rear part of the condensing lens is provided with a photodiode, and the rear part of the photodiode is provided with a built-in battery;
in the process of using the photoelectric sensor, no signal output appears after long-time use, and when other conditions are eliminated, the photoelectric sensor is placed in a field environment (dust environment) for a long time, so that dust is accumulated on the surface of a probe of the photoelectric sensor, the surface needs to be cleaned regularly, and manual dismounting equipment is generally adopted to clean dust, which is troublesome.
Disclosure of Invention
Technical problem to be solved
The invention mainly aims to provide a photoelectric sensor with adjustable measuring distance, which solves the problem that manual ash removal is difficult on the surface area of a probe of the photoelectric sensor.
(II) technical scheme
In order to solve the technical problems, the invention provides a photoelectric sensor with adjustable measuring distance, which comprises a base, a waist hole, a driving device, a connector, a placing frame, a photoelectric sensor transmitting end, a support and a controller integration box, wherein the support and the controller integration box are arranged on one side of the upper end of the base, the waist hole is formed in the other side of the upper end of the base, the driving device is arranged on the other side of the lower end of the base, the connector is arranged at the upper end of a moving member of the driving device, the connector extends out of the waist hole and is connected with the placing frame, the photoelectric sensor transmitting end is arranged at an end face hole of the placing frame, and the photoelectric sensor transmitting end is connected with the controller integration box through a wire;
a blowing type protective cover is arranged at one end of the base, and a cleaning device is arranged at the other side of the blowing type protective cover;
the blowing type protective cover comprises a first U-shaped cover, a mounting frame, a fan and a first dustproof net, the upper end of the base is provided with the first U-shaped cover, the mounting frame is arranged at an opening at one side of the first U-shaped cover, the fan is arranged in the frame of the mounting frame, the first dustproof net is arranged at an opening at one side of the mounting frame, the cleaning device comprises a first soft sleeve, a second soft sleeve and a cleaning brush, the first soft sleeve and the second soft sleeve form the U-shaped soft cover, the U-shaped soft cover is connected to the other side of the first U-shaped cover, the cleaning brush is arranged on the inner wall of the U-shaped soft cover, a gap is formed between the support and the first U-shaped cover, the fan blowing air enters the U-shaped soft cover through the gap between the support and the first U-shaped cover, the cleaning brush and the fan blowing air clean the outer surface of the photoelectric sensor transmitting end, the fan is arranged at one side of the base, and the fan can accelerate the heat dissipation of the controller integration box, set up cleaning device in the middle part of base, cleaning device's the soft cover of U type and clean brush can clean the surface of photoelectric sensor transmitting terminal, and the fan is when aiming at clean brush and blowing, can avoid the dust adhesion at the surface of photoelectric sensor transmitting terminal once more.
Specifically, the fan is connected with the controller integration box through a wire, and a cavity is formed between the fan and the controller integration box;
specifically, the fan is aligned with the surface of the controller integrated box to blow air;
specifically, the cleaning brush is obliquely arranged in the U-shaped soft cover, and the oblique top end of the cleaning brush cleans the end head of the transmitting end of the photoelectric sensor;
the blowing type protective cover comprises a first U-shaped cover, a plurality of L-shaped routing sleeves, a rubber sleeve and a controller integration box, wherein the inner top wall of the first U-shaped cover is provided with the plurality of L-shaped routing sleeves;
specifically, the blowing type protective cover further comprises a second dustproof net, and the other side of the mounting frame is provided with the second dustproof net;
specifically, the other side of the U-shaped soft cover is provided with a dustproof protective cover, the dustproof protective cover comprises a second U-shaped cover, a clamping block, a groove and adhesive paper, the other side of the U-shaped soft cover is connected with the second U-shaped cover, the clamping block is arranged at an opening at the other side of the second U-shaped cover, the inner wall of the clamping block is provided with the groove, the adhesive paper is arranged in the groove of the groove, and the clamping block and an end face opening of the adhesive paper are opposite to the transmitting end of the photoelectric sensor;
specifically, fresh air blown by the fan blows to the driving device through the waist hole, the inner wall of the clamping block is provided with the adhesive paper, the adhesive surface of the adhesive paper is arranged opposite to the fan, and when the fan blows air with dust to the position of the adhesive paper, the adhesive paper adheres to the dust in the air, so that dust is prevented from colliding with the clamping block and flying;
specifically, formula of blowing protection casing still includes leading to the groove, and the top four corners pillar and the first U type cover adaptation of support, first U type cover is located support department and has seted up logical groove, and leads to groove department and be equipped with heat abstractor, heat abstractor includes U type heating panel, heat radiation fins and heat-conducting plate, and the top of support is equipped with U type heating panel, and U type heating panel passes through the heat-conducting plate and is connected with the controller integration box, the upper end of U type heating panel is equipped with heat radiation fins, the fan is aimed at U type heating panel and is bloied, sets up U type heating panel, heat radiation fins and heat-conducting plate between first U type cover and controller integration box, can realize the heat transfer and the heat dissipation of the part that generates heat in the controller integration box, and the fan accelerates radiating efficiency when aiming at U type heating panel and blowing.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
the invention provides a photoelectric sensor with adjustable measuring distance,
1. the fan is arranged on one side of the base and can accelerate heat dissipation of the controller integration box, the cleaning device is arranged in the middle of the base, the U-shaped soft cover and the cleaning hairbrush of the cleaning device can clean the outer surface of the transmitting end of the photoelectric sensor, and when the fan is aligned with the cleaning hairbrush to blow air, dust can be prevented from being adhered to the outer surface of the transmitting end of the photoelectric sensor again;
2. an L-shaped wiring sleeve and a rubber sleeve are arranged between the controller integration box and the photoelectric sensor transmitting end to protect the lead; the two ends of the mounting frame are provided with the dustproof nets, so that the dustproof effect of the fan can be improved, and the situation that fresh air is mixed with larger dust particles to enter equipment when the fan works is avoided;
3. the inner wall of the clamping block is provided with the adhesive paper, the adhesive surface of the adhesive paper is arranged opposite to the fan, and when the fan blows out wind with dust to the position of the adhesive paper, the adhesive paper adheres to the dust in the wind, so that dust flying caused by the collision of the dust on the clamping block is avoided;
4. the U-shaped heat dissipation plate, the heat dissipation fins and the heat conduction plate are arranged between the first U-shaped cover and the controller integration box, so that heat transfer and heat dissipation of heating components in the controller integration box can be realized, and the heat dissipation efficiency is accelerated when the fan is aligned with the U-shaped heat dissipation plate to blow air.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front cross-sectional view of the overall construction of the present invention;
FIG. 3 is an exploded view of the overall structure of the present invention;
FIG. 4 is a side cross-sectional view of the overall structure of the present invention;
FIG. 5 is an exploded view of the blowing hood, the U-shaped soft hood, and the dusting hood of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5 according to the present invention;
FIG. 7 is an exploded view of the dust hood of the present invention;
FIG. 8 is an exploded view of the first U-shaped cover and the heat sink of the present invention;
fig. 9 is a schematic flow diagram of fresh air according to the present invention.
In the figure: 1. a base; 2. a blowing type shield; 201. a first U-shaped cover; 202. installing a frame; 203. a fan; 204. a first dust screen; 205. a second dust screen; 206. an L-shaped wiring sleeve; 207. a rubber sleeve; 208. a through groove; 3. a cleaning device; 301. a first soft sleeve; 302. a second soft sleeve; 303. cleaning the brush; 4. a dust-proof protective cover; 401. a second U-shaped cover; 402. a clamping block; 403. a groove; 404. sticking paper; 5. a heat sink; 501. a U-shaped heat dissipation plate; 502. heat dissipation fins; 503. a heat conducting plate; 6. a waist hole; 7. a drive device; 8. a connector; 9. placing a rack; 10. a photoelectric sensor emitting end; 11. a support; 12. and a controller integration box.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows:
as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, a photoelectric sensor with adjustable measurement distance comprises a base 1, a waist hole 6, a driving device 7, a connector 8, a placing frame 9, a photoelectric sensor transmitting end 10, a support 11 and a controller integration box 12, wherein the support 11 and the controller integration box 12 are arranged on one side of the upper end of the base 1, the waist hole 6 is arranged on the other side of the upper end of the base 1, the driving device 7 is arranged on the other side of the lower end of the base 1, the connector 8 is arranged on the upper end of a moving member of the driving device 7, the connector 8 extends out of the waist hole 6 and is connected with the placing frame 9, the photoelectric sensor transmitting end 10 is arranged at an opening of the end face of the placing frame 9, and the photoelectric sensor transmitting end 10 is connected with the controller integration box 12 through a wire;
a blowing type protective cover 2 is arranged at one end of the base 1, and a cleaning device 3 is arranged at the other side of the blowing type protective cover 2;
the blowing type protective cover 2 comprises a first U-shaped cover 201, an installation frame 202, a fan 203 and a first dustproof net 204, the first U-shaped cover 201 is arranged at the upper end of a base 1, the installation frame 202 is arranged at an opening at one side of the first U-shaped cover 201, the fan 203 is arranged in the frame of the installation frame 202, the first dustproof net 204 is arranged at an opening at one side of the installation frame 202, a cleaning device 3 comprises a first soft sleeve 301, a second soft sleeve 302 and a cleaning brush 303, the first soft sleeves 301 and the second soft sleeves 302 form the U-shaped soft cover, the U-shaped soft cover is connected to the other side of the first U-shaped cover 201, the cleaning brush 303 is arranged on the inner wall of the U-shaped soft cover, a gap is formed between the support 11 and the first U-shaped cover 201, the fan 203 enters the U-shaped soft cover through the gap between the support 11 and the first U-shaped cover 201, and the cleaning brush 303 and the fan 203 blow air to clean the outer surface of a photoelectric sensor transmitting end 10;
the fan 203 is connected with the controller integration box 12 through a wire, a cavity is formed between the fan 203 and the controller integration box 12, the fan 203 blows air in alignment with the surface of the controller integration box 12, the cleaning hairbrush 303 is obliquely arranged in the U-shaped soft cover, and the oblique top end of the cleaning hairbrush 303 cleans the end head of the photoelectric sensor transmitting end 10; when the device is used, the driving device 7 drives the photoelectric sensor transmitting end 10 to do linear motion, so as to adjust the measurement distance of the photoelectric sensor transmitting end 10, after dust adheres to the end head of the photoelectric sensor transmitting end 10, the driving device 7 drives the photoelectric sensor transmitting end 10 to move to the position of the U-shaped soft cover, the cleaning brush 303 in the U-shaped soft cover contacts with the outer surface of the photoelectric sensor transmitting end 10, when the driving device 7 drives the photoelectric sensor transmitting end 10 to do linear reciprocating motion, the cleaning brush 303 sweeps away the dust on the outer surface of the photoelectric sensor transmitting end 10, the integrated circuit board in the controller integrated box 12 controls the fan 203 to start, after the fan 203 starts, the fan 203 blows air to the controller integrated box 12, because a gap is formed between the bracket 11 and the first U-shaped cover 201, fresh air blown by the fan 203 reaches the cleaning brush 303 to take away the swept dust, and the dust is prevented from adhering to the outer surface of the photoelectric sensor transmitting end 10 again, when cleaning brush 303 slope sets up, the end of photoelectric sensor transmitting terminal 10 is aimed at to cleaning brush 303, promote the cleanness of the transmitting end of photoelectric sensor transmitting terminal 10, avoid the deposition to cause the unable output signal of end of photoelectric sensor transmitting terminal 10, one side at base 1 is equipped with fan 203, controller collection box 12's heat dissipation can be carried out to fan 203, middle part at base 1 sets up cleaning device 3, cleaning device 3's the outer surface that U type mantle and cleaning brush 303 can photoelectric sensor transmitting terminal 10 is cleaned, when fan 203 blows in alignment cleaning brush 303, can avoid the dust adhesion at the surface of photoelectric sensor transmitting terminal 10 once more.
Example two:
as shown in fig. 5 and 6, wherein the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the differences from the first embodiment will be described below for the sake of convenience. The difference lies in that the blowing type protective cover 2 further comprises an L-shaped wiring sleeve 206 and a rubber sleeve 207, the inner top wall of the first U-shaped cover 201 is provided with a plurality of L-shaped wiring sleeves 206, an opening is formed in the end face of each L-shaped wiring sleeve 206 and is provided with the rubber sleeve 207, and a spiral lead at the tail part of the photoelectric sensor transmitting end 10 penetrates through a sleeve hole of the rubber sleeve 207 and is connected with the controller integration box 12; an L-shaped wiring sleeve 206 and a rubber sleeve 207 are arranged between the controller integration box 12 and the photoelectric sensor transmitting end 10 to protect the lead.
Example three:
as shown in fig. 5, in which the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. This difference lies in, formula of blowing protection casing 2 still includes second dust screen 205, and the opposite side of installing frame 202 is equipped with second dust screen 205, and the both ends of installing frame 202 all set up the dust screen, can promote fan 203's dustproof effect, avoids fan 203 during operation, and the great dust particle that the new trend mix with gets into equipment.
Example four:
as shown in fig. 7 and 9, wherein the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the differences from the first embodiment will be described below for the sake of convenience. The difference lies in that the other side of the U-shaped soft cover is provided with a dust-proof protective cover 4, the dust-proof protective cover 4 comprises a second U-shaped cover 401, a clamping block 402, a groove 403 and adhesive paper 404, the other side of the U-shaped soft cover is connected with the second U-shaped cover 401, the opening of the other side of the second U-shaped cover 401 is provided with the clamping block 402, the inner wall of the clamping block 402 is provided with the groove 403, the adhesive paper 404 is arranged in the groove of the groove 403, and the clamping block 402 and the opening of the end face of the adhesive paper 404 are opposite to the transmitting end 10 of the photoelectric sensor;
the new trend that fan 203 insufflates blows in blows for drive arrangement 7 through waist hole 6 and blows, install raise dust formula protection casing 4 additional at the opposite side of base 1, raise dust formula protection casing 4 covers photoelectric sensor transmitting terminal 10, fixture block 402 is seted up the end alignment of aperture and photoelectric sensor transmitting terminal 10, the photoelectric sensor transmitting terminal 10 output signal of being convenient for, the inner wall of fixture block 402 sets up adhesive paper 404, adhesive paper 404's adhesion surface is just setting up fan 203, fan 203 blows off the wind that has the dust to adhesive paper 404 when locating, adhesive paper 404 carries out the adhesion to the dust in the wind, avoid the raise dust that dust collision fixture block 402 caused.
Example five:
as shown in fig. 8 and 9, wherein the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the differences from the first embodiment will be described below for the sake of convenience. The difference lies in that the blowing type protective cover 2 further comprises a through groove 208, the top four corner posts of the support 11 are matched with the first U-shaped cover 201, the through groove 208 is formed in the position, located on the support 11, of the first U-shaped cover 201, the heat dissipation device 5 is arranged at the position of the through groove 208, the heat dissipation device 5 comprises a U-shaped heat dissipation plate 501, heat dissipation fins 502 and a heat conduction plate 503, the U-shaped heat dissipation plate 501 is arranged at the top of the support 11, the U-shaped heat dissipation plate 501 is connected with the controller integration box 12 through the heat conduction plate 503, the heat dissipation fins 502 are arranged at the upper end of the U-shaped heat dissipation plate 501, and the fan 203 blows air by aiming at the U-shaped heat dissipation plate 501; the U-shaped heat dissipation plate 501, the heat dissipation fins 502 and the heat conduction plate 503 are disposed between the first U-shaped cover 201 and the controller integrated box 12, so that heat transfer and heat dissipation of heat generating components in the controller integrated box 12 can be realized, and the heat dissipation efficiency is improved when the fan 203 blows air in alignment with the U-shaped heat dissipation plate 501.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A photoelectric sensor with adjustable measuring distance comprises a base (1), a waist hole (6), a driving device (7), a connector (8), a placing frame (9), a photoelectric sensor transmitting end (10), a support (11) and a controller integration box (12), wherein the support (11) and the controller integration box (12) are arranged on one side of the upper end of the base (1), the waist hole (6) is formed in the other side of the upper end of the base (1), the driving device (7) is arranged on the other side of the lower end of the base (1), the connector (8) is arranged on the upper end of a moving piece of the driving device (7), the connector (8) extends out of the waist hole (6) and is connected with the placing frame (9), the photoelectric sensor transmitting end (10) is arranged at the hole of the end face of the placing frame (9), and the photoelectric sensor transmitting end (10) is connected with the controller integration box (12) through a lead, the method is characterized in that: a blowing type protective cover (2) is arranged at one end of the base (1), and a cleaning device (3) is arranged at the other side of the blowing type protective cover (2);
the blowing type protective cover (2) comprises a first U-shaped cover (201), an installation frame (202), a fan (203) and a first dustproof net (204), the upper end of a base (1) is provided with the first U-shaped cover (201), an opening at one side of the first U-shaped cover (201) is provided with the installation frame (202), the frame of the installation frame (202) is internally provided with the fan (203), an opening at one side of the installation frame (202) is provided with the first dustproof net (204), a cleaning device (3) comprises a first soft sleeve (301), a second soft sleeve (302) and cleaning brushes (303), the first soft sleeve (301) and the second soft sleeve (302) form the U-shaped soft cover, the other side of the first U-shaped cover (201) is connected with the U-shaped soft cover, the inner wall of the U-shaped soft cover is provided with the cleaning brushes (303), a gap is formed between a support (11) and the first U-shaped cover (201), and the fan (203) enters the gap between the U-shaped cover (201) through the support (11), the cleaning brush (303) and the fan (203) blow air to clean the outer surface of the photoelectric sensor emission end (10).
2. The photoelectric sensor with adjustable measuring distance according to claim 1, wherein: the fan (203) is connected with the controller integrated box (12) through a lead, and a cavity is formed between the fan (203) and the controller integrated box (12).
3. The photoelectric sensor with adjustable measuring distance according to claim 1, wherein: the fan (203) is aligned with the surface of the controller integrated box (12) to blow air.
4. The photoelectric sensor with adjustable measuring distance according to claim 1, wherein: the cleaning brush (303) is obliquely arranged in the U-shaped soft cover, and the inclined top end of the cleaning brush (303) cleans the end head of the photoelectric sensor transmitting end (10).
5. A photosensor adjustable in measurement distance according to any one of claims 1 to 4, characterized in that: the blowing type protective cover (2) further comprises an L-shaped wiring sleeve (206) and a rubber sleeve (207), the inner top wall of the first U-shaped cover (201) is provided with a plurality of L-shaped wiring sleeves (206), each of the L-shaped wiring sleeves (206) is provided with the rubber sleeve (207) in an opening mode, and a spiral lead at the tail of the photoelectric sensor transmitting end (10) penetrates through a trepanning of the rubber sleeve (207) to be connected with the controller integrated box (12).
6. A photosensor adjustable in measurement distance according to any one of claims 1 to 4, characterized in that: the air blowing type protective cover (2) further comprises a second dustproof net (205), and the other side of the mounting frame (202) is provided with the second dustproof net (205).
7. A photosensor adjustable in measurement distance according to any one of claims 1 to 4, characterized in that: the opposite side of the soft cover of U type is equipped with dust-proof formula protection casing (4), and dust-proof formula protection casing (4) include second U type cover (401), fixture block (402), recess (403) and paste paper (404), the opposite side of the soft cover of U type is connected with second U type cover (401), and the opposite side opening part of second U type cover (401) is equipped with fixture block (402), the inner wall of fixture block (402) is equipped with recess (403), and the inslot of recess (403) is equipped with pastes paper (404), fixture block (402) and the terminal surface trompil of pasting paper (404) are just to photoelectric sensor transmitting terminal (10).
8. The photoelectric sensor with adjustable measuring distance according to claim 7, wherein: fresh air blown by the fan (203) blows to the driving device (7) through the waist hole (6).
9. A photosensor adjustable in measurement distance according to any one of claims 1 to 4, characterized in that: the blowing type protective cover (2) further comprises a through groove (208), the top four-corner support of the support (11) is matched with the first U-shaped cover (201), the first U-shaped cover (201) is located at the support (11) and provided with the through groove (208), a heat dissipation device (5) is arranged at the through groove (208), the heat dissipation device (5) comprises a U-shaped heat dissipation plate (501), heat dissipation fins (502) and a heat conduction plate (503), the top of the support (11) is provided with the U-shaped heat dissipation plate (501), the U-shaped heat dissipation plate (501) is connected with the controller integration box (12) through the heat conduction plate (503), the heat dissipation fins (502) are arranged at the upper end of the U-shaped heat dissipation plate (501), and the fan (203) is aligned with the U-shaped heat dissipation plate (501) to blow air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518494.9A CN113916268B (en) | 2021-12-14 | 2021-12-14 | Photoelectric sensor with adjustable measuring distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518494.9A CN113916268B (en) | 2021-12-14 | 2021-12-14 | Photoelectric sensor with adjustable measuring distance |
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| Publication Number | Publication Date |
|---|---|
| CN113916268A true CN113916268A (en) | 2022-01-11 |
| CN113916268B CN113916268B (en) | 2022-04-22 |
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