CN210405261U

CN210405261U - Photoelectric correlation switch

Info

Publication number: CN210405261U
Application number: CN201921711489.8U
Authority: CN
Inventors: 寇复建
Original assignee: Jinan Aoradium Cnc Equipment Co Ltd
Current assignee: Jinan Aoradium Cnc Equipment Co Ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-04-24
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a photoelectricity correlation switch relates to photoelectric control equipment technical field, including illuminator and receiver, the internally mounted of illuminator has luminous body installation cover, and the one end of illuminator installs first optical filter, the internally mounted of luminous body installation cover has the luminous body, and one side of luminous body installs first light screen, luminous body installation cover one end nestification has a condensing lens. The utility model discloses in, adopted the setting of the influence of an effective elimination background thing and external strong light source, made its work that also can be normal under the higher environment of ambient lighting degree, specifically adopted the setting of optical filter, the influence of opening light that can the external strong light source of effectual reduction under the effect of optical filter makes only the light in certain wavelength range pass through, and the setting of light screen can the effectual influence of eliminating the background thing to the switch work.

Description

Photoelectric correlation switch

Technical Field

The utility model relates to a photoelectric control equipment technical field especially relates to a photoelectricity correlation switch.

Background

With the development of science and technology and the progress of times, a photoelectric sensor belongs to a non-contact detection sensor, has a wide detection distance and is used for detecting the existence, the distance, the property and the like of an object, so that the photoelectric sensor is widely applied to the field of industrial automation devices. The object is not limited to metal, and all objects that reflect light can be detected. The photoelectric sensor converts the input current into an optical signal on the transmitter to be emitted, and the receiver detects the target object according to the intensity or the existence of the received light.

The existing photoelectric correlation switch can accurately detect and judge the existence of objects, the distance, the property and the like, but the structure is more complex, the maintenance is difficult, the reliability is not high, the service life is shorter and the volume is large, more space is occupied during the use, the use is inconvenient, and the adopted reflection type diffusion projection and light receiving devices are adopted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the existing photoelectricity correlation switch can be accurate to the object have or not, distance and nature etc. detect and judge, but the structure is comparatively complicated, and difficult maintenance, the reliability is not high, life is short and bulky, occupy more space when using, it is inconvenient to use, and what adopt is that reflective diffusion type throws, the photic ware, sometimes because it is nearer from the background thing to examine out the thing, photoelectric switch or background are the higher object of reflectivity such as smooth and probably make photoelectric switch can not the stable phenomenon that detects, and it can not adjust luminous body and photoreceptor, make correlation switch can not be to the detection of the object of different volumes and size and the shortcoming of judgement, and a photoelectricity correlation switch that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a photoelectric correlation switch comprises a light emitter and a receiver, wherein a light emitter mounting sleeve is mounted inside the light emitter, a first light-gathering lens is mounted at one end of the light emitter, a light emitting body is mounted inside the light emitter mounting sleeve, a first light shading plate is mounted on one side of the light emitter, a first light-gathering lens is nested at one end of the light emitter mounting sleeve, a mounting block is connected to the inner wall of the light emitter, a light emitting PCB assembly is mounted on one side of the outer wall of the mounting block, a screw penetrates through the inside of the mounting block, one end of the light emitter is connected with a light emitter adjusting screw rod, a photosensitive body mounting sleeve is mounted inside the receiver, a second light-gathering lens is mounted at one end of the receiver, a photosensitive body is mounted inside the photosensitive body mounting sleeve, a second light shading plate is mounted at one end of the photosensitive body mounting sleeve, and a photosensitive PCB assembly is installed on one side of the outer wall of the second shading plate, and one end of the photosensitive body is connected with a photosensitive body adjusting screw rod.

Preferably, the inside evenly distributed of illuminator has the installation piece, and the installation piece passes through screw and luminous PCB subassembly looks fastening connection.

Preferably, the symmetrical center line of the luminous body mounting sleeve coincides with the symmetrical center line of the luminous body, and the outer wall of the luminous body is attached to the inner wall of the luminous body mounting sleeve.

Preferably, the symmetrical center line of the first condensing lens coincides with the symmetrical center line of the luminous body, and the luminous body mounting sleeve form a movable structure through the luminous body adjusting screw rod.

Preferably, the symmetrical center line of the second condenser lens coincides with the symmetrical center line of the photoreceptor, and the photoreceptor forms a movable structure with the photoreceptor mounting sleeve through the photoreceptor adjusting screw.

Preferably, the center line of symmetry of the photoreceptor mounting sleeve coincides with the center line of symmetry of the photoreceptor, and the outer wall of the photoreceptor is attached to the inner wall of the photoreceptor mounting sleeve.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, having adopted one kind to get rid of setting of mirror surface angle influence can detect the higher glossy volume object of possessing of some reflectivity, make it can not use condensing lens when specifically time because the detection thing appears photoelectricity correlation switch near from it and can not stabilize effectual detection, make the more weak light beam that sends through the luminous body gather into stronger light beam and emit away, and external light beam can only disperse it through condensing lens and can not enter into the device and influence the detection.

2. The utility model discloses in, adopted the setting of the influence of an effective elimination background thing and external strong light source, made its work that also can be normal under the higher environment of ambient lighting degree, specifically adopted the setting of optical filter, the influence of opening light that can the external strong light source of effectual reduction under the effect of optical filter makes only the light in certain wavelength range pass through, and the setting of light screen can the effectual influence of eliminating the background thing to the switch work.

3. The utility model discloses in, adopted the setting of an adjustable luminous body and photosensitive body, made it can adjust the luminous body at the distance with condensing lens and photosensitive body and condensing lens's distance to make the effective light source of opening the light emission can adjust, thereby make it can inspect the article of surveying different specifications, specifically make and control its interval through adjusting screw.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a light emitter according to the present invention;

fig. 3 is a schematic cross-sectional view of the receiver of the present invention.

Illustration of the drawings:

1. a light emitter; 2. a receiver; 3. a light-emitting body mounting sleeve; 4. a first filter; 5. a first condenser lens; 6. a light emitter; 7. mounting blocks; 8. a screw; 9. a light emitting PCB assembly; 10. a first light shielding plate; 11. a photoreceptor mounting sleeve; 12. a second condenser lens; 13. a second filter; 14. a second light shielding plate; 15. a photosensitive PCB assembly; 16. a photoreceptor; 17. a photoreceptor adjusting screw; 18. luminous body adjusting screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a photoelectric correlation switch comprises a light emitter 1 and a receiver 2, a light emitter mounting sleeve 3, a first filter 4, a first condenser lens 5, a light emitter 6, a mounting block 7, a screw 8, a light emitting PCB assembly 9, a first light shielding plate 10, a photosensitive body mounting sleeve 11, a second condenser lens 12, a second filter 13, a second light shielding plate 14, a photosensitive PCB assembly 15, a photosensitive body 16, a photosensitive body adjusting screw 17 and a light emitter adjusting screw 18, wherein the light emitter mounting sleeve 3 is mounted inside the light emitter 1, the first filter 4 is mounted at one end of the light emitter 1, the light emitter 6 is mounted inside the light emitter mounting sleeve 3, the first light shielding plate 10 is mounted at one side of the light emitter 6, the first condenser lens 5 is nested at one end of the light emitter mounting sleeve 3, the mounting block 7 is connected to the inner wall of the light emitter 1, and the light emitting PCB assembly 9 is mounted at one side of the outer, the screw 8 runs through the inside of installation piece 7, the one end of luminous body 6 is connected with luminous body adjusting screw 18, the internally mounted of receiver 2 has photosensitive body installation cover 11, and the one end of receiver 2 installs second optical filter 13, the internally mounted of photosensitive body installation cover 11 has photosensitive body 16, and second condenser lens 12 is installed to the one end of photosensitive body installation cover 11, second light screen 14 is installed to the other end of photosensitive body installation cover 11, and sensitization PCB subassembly 15 is installed to outer wall one side of second light screen 14, the one end of photosensitive body 16 is connected with photosensitive body adjusting screw 17.

Further, the inside evenly distributed of illuminator 1 has installation piece 7, and installation piece 7 passes through screw 8 and luminous PCB subassembly 9 looks fastening connection, and such setting up can make the stable inside of installing at illuminator 1 of luminous PCB subassembly 9, makes its four corners all have the strong point and can not appear not hard up phenomenon that drops, can make the effectual change of the signal of telecommunication that leads to the change of light signal of luminous PCB subassembly 9 effectively conduct to appointed equipment.

Further, the symmetry center line of luminous body installation cover 3 coincides with the symmetry center line of luminous body 6, and the outer wall of luminous body 6 laminates with the inner wall of luminous body installation cover 3 mutually, and such setting can make luminous body 6 keep apart with external light, thereby makes the light that it sent can not influenced the detection of switch.

Furthermore, the symmetrical center line of the first condensing lens 5 coincides with the symmetrical center line of the luminous body 6, and the luminous body 6 and the luminous body mounting sleeve 3 form a movable structure through the luminous body adjusting screw 18, so that the light emitted by the luminous body 6 can be converged into a stronger light beam from the inside of the luminous body mounting sleeve 3 through the first condensing lens 5, the stronger light beam can be emitted from the first filter lens 4, and the distance between the luminous body 6 and the first condensing lens 5 can be adjusted through the luminous body adjusting screw 18, so that the switch can emit light beams with different intensities.

Furthermore, the symmetrical center line of the second condenser lens 12 coincides with the symmetrical center line of the photosensitive body 16, and the photosensitive body 16 forms a movable structure with the photosensitive body mounting sleeve 11 through the photosensitive body adjusting screw 17, so that the light beam entering through the second condenser lens 12 can be more easily detected by the photosensitive body 16, the sensitivity of the receiver 2 is improved, and the photosensitive body adjusting screw 17 can control the distance between the photosensitive body 16 and the second condenser lens 12, so that the sensitivity of the receiver 2 can be adjusted.

Furthermore, the symmetrical center line of the photoreceptor mounting sleeve 11 coincides with the symmetrical center line of the photoreceptor 16, and the outer wall of the photoreceptor 16 is attached to the inner wall of the photoreceptor mounting sleeve 11, so that the photoreceptor 16 is not affected by an external light source, and the phenomenon of receiving an external light beam occurs, and the phenomenon of false detection occurs when light is emitted by a photoelectric pair.

The working principle is as follows: when in use, the illuminator 1 and the receiver 2 are connected with a power supply and equipment, so that the illuminator 6 arranged in the illuminator installation sleeve 3 emits light beams, the first light shielding plate 10 can effectively separate background light in the illuminator 1 from the light beams in the illuminator installation sleeve 3 to eliminate the influence of the background light on the light emission, the installation block 7 can fix the light-emitting PCB assembly 9 in the illuminator 1 through the screw 8, so that a circuit on the installation block can be communicated with the illuminator 6 to control the illumination of the illuminator 6, the distance between the illuminator 6 and the first condensing lens 5 can be controlled through the illuminator adjusting screw 18, so that the energy of purple light emitted through the first filter 4 can be adjusted, similarly, the second light shielding plate 14 eliminates the influence of the background light in the receiver 2 on the photoreceptor 16, the circuit on the photoreceptor PCB assembly 15 is connected with the photoreceptor 16 to transmit the information change on the photoreceptor 16 to a terminal, the second filter 13 can filter out any other light except for the light violet light to make it pass through the second condenser lens 12 mounted on the photoreceptor mounting sleeve 11 and hit the photoreceptor 16, and adjusting the photoreceptor adjusting screw 17 can control the distance between the photoreceptor 16 and the second condenser lens 12, thereby controlling the sensitivity of the photoreceptor 16 and enabling the sensitivity of the receiver 2 to be adjusted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a photoelectricity correlation switch, includes illuminator (1) and receiver (2), its characterized in that, the internally mounted of illuminator (1) has luminous body installation cover (3), and the one end of illuminator (1) installs first optical filter (4), the internally mounted of luminous body installation cover (3) has luminous body (6), and one side of luminous body (6) installs first light screen (10), the one end nestification of luminous body installation cover (3) has first collector lens (5), the inner wall connection of illuminator (1) has installation piece (7), and the outer wall one side of installation piece (7) installs luminous PCB subassembly (9), the inside of installation piece (7) runs through screw (8), the one end of luminous body (6) is connected with luminous body adjusting screw (18), the internally mounted of receiver (2) has photoreceptor installation cover (11), and second optical filter (13) are installed to the one end of receiver (2), the internally mounted of photoreceptor installation cover (11) has photoreceptor (16), and second condenser lens (12) are installed to the one end of photoreceptor installation cover (11), second light screen (14) are installed to the other end of photoreceptor installation cover (11), and the outer wall one side of second light screen (14) installs sensitization PCB subassembly (15), the one end of photoreceptor (16) is connected with photoreceptor adjusting screw (17).

2. An electro-optical correlation switch according to claim 1, characterized in that the inside of the illuminator (1) is uniformly distributed with mounting blocks (7), and the mounting blocks (7) are fastened and connected with the light-emitting PCB assembly (9) through screws (8).

3. The photoelectric correlation switch of claim 1, wherein the center line of symmetry of the illuminant mounting sleeve (3) coincides with the center line of symmetry of the illuminant (6), and the outer wall of the illuminant (6) is attached to the inner wall of the illuminant mounting sleeve (3).

4. The photoelectric correlation switch of claim 1, wherein the symmetry center line of the first condenser lens (5) coincides with the symmetry center line of the illuminant (6), and the illuminant (6) and the illuminant mounting sleeve (3) form a movable structure through an illuminant adjusting screw (18).

5. The photoelectric correlation switch according to claim 1, wherein the symmetry center line of the second condenser lens (12) coincides with the symmetry center line of the photosensitive body (16), and the photosensitive body (16) and the photosensitive body mounting sleeve (11) form a movable structure through a photosensitive body adjusting screw (17).

6. The photoelectric correlation switch according to claim 1, wherein the center line of symmetry of the photoreceptor mounting sleeve (11) coincides with the center line of symmetry of the photoreceptor (16), and the outer wall of the photoreceptor (16) is attached to the inner wall of the photoreceptor mounting sleeve (11).