CN213842198U

CN213842198U - Photoelectric sensor convenient to adjust

Info

Publication number: CN213842198U
Application number: CN202022842156.8U
Authority: CN
Inventors: 张小毅; 罗超凡
Original assignee: Shenzhen Huayi Abundant Technology Co ltd
Current assignee: Shenzhen Huayi Abundant Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-30
Anticipated expiration: 2030-12-01

Abstract

The utility model is suitable for a sensor field provides a photoelectric sensor convenient to adjust, including the shell, can dismantle in the shell and be equipped with the mounting bracket, can dismantle on the mounting bracket and be equipped with the circuit board, be equipped with light emitting device and light receiving device on the circuit board, be equipped with the adjust knob who connects the circuit board on the shell; can follow the outside of shell through adjust knob and adjust the parameter of inside circuit board at any time, enlarge application range, simultaneously, the shell is connected with dismantling between mounting bracket, mounting bracket and the circuit board and is convenient for can directly take off the circuit board from the mounting bracket to maintain and change the fault location, avoided changing the unnecessary waste that causes to the whole, improve the flexibility of using.

Description

Photoelectric sensor convenient to adjust

Technical Field

The utility model belongs to the sensor field, concretely relates to photoelectric sensor convenient to adjust.

Background

The photoelectric sensor is a device for converting an optical signal into an electrical signal, the working principle of the photoelectric sensor is based on the photoelectric effect, the photoelectric effect refers to the phenomenon that when light irradiates on certain substances, electrons of the substances absorb the energy of photons to generate corresponding electric effect, and the photoelectric effect is mainly applied to positioning and passing detection of workpieces of an automatic production line; the photoelectric detection method has the advantages of high precision, quick response, non-contact and the like, and the photoelectric detection method has the advantages of more measurable parameters, simple structure of the sensor and flexible and various forms, so that the photoelectric sensor is widely applied to detection and control. The existing photoelectric sensor is characterized in that each workpiece inside the sensor is directly arranged in the shell, namely, each workpiece and the shell are integrally formed to form the photoelectric sensor, but the formed photoelectric sensor cannot be subjected to later-stage performance adjustment, various parameters need to be adjusted in advance during production, and once different parameters are needed, the whole photoelectric sensor needs to be replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a photoelectric sensor convenient to adjust.

The utility model discloses a realize like this: the utility model provides a photoelectric sensor convenient to adjust, includes the shell, can dismantle in the shell and be equipped with the mounting bracket, can dismantle on the mounting bracket and be equipped with the circuit board, be equipped with light emitting device and light receiving device on the circuit board, be equipped with the connection on the shell the adjust knob of circuit board.

Further, adjust knob includes rotatory piece, the mounting hole has been seted up on the shell, rotatory a part embedding in the mounting hole, another part of rotatory piece stretches out outside the mounting hole and be located the surface of shell, the back of rotatory piece is equipped with the connection the connecting block of circuit board, the both sides of connecting block all are equipped with fixedly the stopper of rotatory piece and mounting hole.

Furthermore, a groove is formed in the rotating block, and a waterproof ring is installed in the groove.

Furthermore, a protruding block is arranged on the surface of the rotating block, extends to the side end of the rotating block and is positioned in front of the surface of the shell.

Furthermore, the surface of shell is equipped with the fixture block, the lug can drive rotatory piece rotatory and support and lean on in on the fixture block.

Furthermore, the circuit board comprises a vertical main control board and a horizontal main control board, the horizontal main control board is vertically arranged on the back face of the horizontal main control board, a rotatable adjusting part matched with the connecting block is arranged on the surface of the horizontal main control board, and the light emitting device and the light receiving device are arranged on the upper end face of the horizontal main control board.

Further, emitting hole and receiving hole have been seted up on the mounting bracket, be equipped with the detection window that corresponds emitting hole and receiving hole on the shell, the emitting hole is located light emitting device's top, correspondingly the receiving hole is located light receiving device's top, install first lens on the receiving hole, install the second lens on the emitting hole.

Furthermore, the mounting bracket orientation stretch out a plurality of card posts in the direction of circuit board, it is equipped with a plurality of draw-in grooves to correspond on the circuit board, the card post stretches into realize in the draw-in groove the circuit board is in location on the mounting bracket.

Further, the inside of shell is equipped with the reference column, be equipped with the constant head tank with reference column looks adaptation on the mounting bracket, the reference column imbeds to the constant head tank in order to fix a position the mounting bracket, the inside of shell still is equipped with mutual parallel arrangement's locating plate, be formed with the spacing groove between the locating plate, erect the main control board and imbed to fix a position in order to realize in the constant head tank the circuit board.

Furthermore, an indicator light is further arranged on the vertical main control panel and extends out of the surface of the shell.

The utility model provides a pair of photoelectric sensor convenient to adjust can follow the outside of shell through adjust knob and adjust the parameter of inside circuit board at any time, enlarges application range, simultaneously, shell and mounting bracket, mounting bracket and circuit board between can dismantle be connected and be convenient for directly take off the circuit board from the mounting bracket to maintain and change the fault location, avoided changing the unnecessary waste that causes to the whole, improve the flexibility of using.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention.

Fig. 1 is a schematic structural diagram provided by the present invention.

Fig. 2 is a side sectional view provided by the present invention.

Fig. 3 is a schematic diagram of the internal structure of the housing according to the present invention.

Fig. 4 is a schematic structural diagram of the mounting frame in the present invention.

Fig. 5 is a schematic structural diagram of the circuit board according to the present invention.

Fig. 6 is a schematic structural diagram of the adjusting knob of the present invention.

The reference numbers illustrate: 1. a housing; 11. mounting holes; 12. a clamping block; 13. detecting a window; 131. a filter; 14. a first positioning post; 15. a second positioning column; 16. positioning a plate; 17. a limiting groove; 2. a mounting frame; 21. an emission aperture; 211. a second lens; 22. a receiving aperture; 221. a first lens; 23. a first clamp post; 24. a second clamping column; 25. a third clamping column; 26. a fourth clamping column; 27. a first positioning groove; 28. a second positioning groove; 3. a circuit board; 31. a vertical main control board; 311. an indicator light; 312. a first card slot; 32. a horizontal main control board; 321. a second card slot; 322. a third card slot; 323. a fourth card slot; 33. an adjustment section; 331. connecting holes; 4. a light emitting device; 5. a light receiving device; 6. adjusting a knob; 61. rotating the block; 611. a bump; 612. a groove; 613. a waterproof ring; 62. connecting blocks; 63. a limiting block; 631. an inclined surface; 632. a platform.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and 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 to 6, in order to disclose a photoelectric sensor convenient for adjustment in the utility model, which includes a housing 1, a mounting frame 2 is detachably disposed in the housing 1, a circuit board 3 is detachably disposed on the mounting frame 2, a light emitting device 4 and a light receiving device 5 are disposed on the circuit board 3, an adjusting knob 6 connected to the circuit board 3 is disposed on the housing 1, specifically, the adjusting knob 6 includes a rotating block 61, a mounting hole 11 adapted to the size of the rotating block 61 is formed on the housing 1, a part of the rotating block 61 is embedded into the mounting hole 11, a groove 612 is formed on a portion of the rotating block 61 extending into the mounting hole 11, a waterproof ring 613 is disposed in the groove 612, the waterproof ring 613 is preferably but not limited to a rubber waterproof ring 613, which can effectively isolate the inside and the outside of the housing 1 to achieve waterproof and dustproof effects, avoid damaging the inside circuit board 3 of shell 1, another part of rotatory piece 61 stretches out outside mounting hole 11 and is located the surface of shell 1, the back of rotatory piece 61 is equipped with the connection block 62 of connecting circuit board 3, and is more excellent, the both sides of connection block 62 all are equipped with the stopper 63 of fixing rotatory piece 61 and mounting hole 11, the bottom of stopper 63 is preferably from supreme inclined plane 631 that outwards inclines down, this inclined plane 631 with the lateral wall of stopper 63 is formed with a platform 632, whole adjust knob 6 can more fast conveniently imbed into in the mounting hole 11 through this inclined plane 631, simultaneously, after the stopper 63 passes through the mounting hole 11, the surface of platform 632 support in the inner wall of shell 1, in order to realize rotatory piece 61 with the fixed action of shell 1, and is more excellent, the surface of rotatory piece 61 is equipped with lug 611, the protrusion 611 extends to the side end of the rotating block 61 and is located in front of the surface of the housing 1, so that the operator can rotate the rotating block 61.

The circuit board 3 includes vertical main control board 31 and horizontal main control board 32, horizontal main control board 32 is located perpendicularly the back of vertical main control board 31, promptly vertical main control board 31 and horizontal main control board 32 electric connection each other and make up into class "T" shape each other, the surface of horizontal main control board 32 be equipped with rotatable regulating part 33 of connecting block 62 looks adaptation, light emitting device 4 and light receiving device 5 locate the up end of horizontal main control board 32, for improving connecting block 62 with the steadiness between the regulating part 33, be formed with the connecting hole 331 of "+" type on the regulating part 33, it is corresponding, connecting block 62 with the shape looks adaptation of connecting hole 331 and embedding to in the connecting hole 331, be convenient for connecting block 62 drives regulating part 33 through the rotation and then to circuit board 3 carries out parameter adjustment, generally, to the rotation angle of regulating part 33 be less than 360, excessive rotation of the adjustment portion 33 may cause damage to the circuit board 3, and thus the surface of the housing 1 is provided with the latch 12, the protrusion 611 can drive the rotating block 61 to rotate and abut against the fixture block 12, so as to prevent the adjusting portion 33 from rotating beyond the range, and protect the circuit board 3, preferably, the embodiment is preferentially provided with two adjusting knobs 6, the two adjusting knobs 6 are vertically arranged and arranged on the same central axis, at least two parameters of the circuit board 3 can be adjusted, correspondingly, the latch 12 is disposed between the two adjusting knobs 6, and the relationship between the parameters and the circuit board 3 in the present embodiment is well known to those skilled in the art, in this embodiment, it is not illustrated, and further, the vertical main control panel 31 is further provided with an indicator lamp 311, the indicator 311 extends out of the surface of the housing 1, so that the working state of the circuit board 3 can be conveniently checked by a worker at any time.

The mounting frame 2 is provided with an emitting hole 21 and a receiving hole 22, the housing 1 is provided with a detecting window 13 corresponding to the emitting hole 21 and the receiving hole 22, preferably, the detecting window 13 is provided with a filter 131 for filtering light to prevent the light with various external wavelengths from entering the housing 1 to cause interference, the emitting hole 21 is arranged above the light emitting device 4, the receiving hole 22 is correspondingly arranged above the light receiving device 5, the receiving hole 22 is provided with a first lens 221 for converging the light on the light receiving device 5 to improve the sensitivity of the light receiving device 5, meanwhile, the emitting hole 21 is provided with a second lens 211 which can improve the accuracy of the light emitting path of the light emitting device 4, and the emitting hole 21 and the receiving hole 22 respectively provide transmission channels corresponding to the light for the light emitting device 4 and the light receiving device 5, specifically, when the light receiving device 5 receives the reflected light from the laser light emitted from the light emitting device 4, or when the light receiving device 5 receives the reflected light from the laser light emitted from the light emitting device 4 and is blocked, that is, when the state of the light received by the light receiving device 5 is changed, the light receiving device 5 emits a signal, and the generation of the signal means that the circuit board 3 reacts correspondingly to the change of the external information, that is, a work is completed.

As a further step in the above embodiment, the mounting frame 2 extends out of a plurality of clamping posts in a direction toward the circuit board 3, the circuit board 3 is correspondingly provided with a plurality of clamping slots, the clamping posts extend into the clamping slots to position the circuit board 3 on the mounting frame 2, specifically, the mounting frame 2 extends out of a first clamping post 23, a second clamping post 24, a third clamping post 25 and a fourth clamping post 26 in a direction toward the circuit board 3, the vertical main control board 31 is provided with a first clamping slot 312 corresponding to the first clamping post 23, the horizontal main control board 32 is provided with a second clamping slot 321, a third clamping slot 322 and a fourth clamping slot 323 corresponding to the second clamping post 24, the third clamping post 25 and the fourth clamping post 26 respectively, so as to position the circuit board 3 on the mounting frame 2, on the other hand, the circuit board 3 can be separated from the mounting frame 2 by separating the corresponding clamping posts and clamping slots, facilitating repair or replacement of the relevant work piece on the circuit board 3.

After the circuit board 3 is fixedly connected with the mounting frame 2, preferably, a positioning column is arranged in the housing 1, a positioning groove matched with the positioning column is arranged on the mounting frame 2, the positioning column is embedded into the positioning groove to position the mounting frame 2, specifically, the positioning column comprises a first positioning column 14 and a second positioning column 15, the positioning groove is respectively provided with a first positioning groove 27 and a second positioning groove 28 corresponding to the first positioning column 14 and the second positioning column 15, the first positioning column 14 extends into the first positioning groove 27, the second positioning column 15 extends into the second positioning groove 28 to limit the movement of the mounting frame 2 in the vertical direction, namely, the movement of the circuit board 3 in the vertical direction is limited, meanwhile, positioning plates 16 arranged in parallel are also arranged in the housing 1, and a positioning groove 17 is formed between the positioning plates 16, the vertical main control board 31 is embedded into the positioning groove to position the circuit board 3 and limit the movement of the circuit board 3 in the horizontal direction, on one hand, the detachable connection between the shell 1 and the mounting rack 2 can be realized, on the other hand, the circuit board 3 can be limited, the phenomenon that the random shaking of the circuit board 3 affects the operation of the light emitting device 4 and the light receiving device 5 is avoided, and the practicability is improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A photoelectric sensor convenient to adjust, comprising a housing (1), characterized in that: can dismantle in shell (1) and be equipped with mounting bracket (2), can dismantle on mounting bracket (2) and be equipped with circuit board (3), be equipped with light emitting device (4) and light receiving arrangement (5) on circuit board (3), be equipped with on shell (1) and connect adjust knob (6) of circuit board (3).

2. A photoelectric sensor for facilitating adjustment according to claim 1, wherein: adjust knob (6) are including rotatory piece (61), mounting hole (11) have been seted up on shell (1), rotatory piece (61) partly imbeds in mounting hole (11), another part of rotatory piece (61) stretches out outside mounting hole (11) and be located the surface of shell (1), the back of rotatory piece (61) is equipped with the connection connecting block (62) of circuit board (3), the both sides of connecting block (62) all are equipped with fixedly stopper (63) of rotatory piece (61) and mounting hole (11).

3. A photoelectric sensor for facilitating adjustment according to claim 2, wherein: a groove (612) is formed in the rotating block (61), and a waterproof ring (613) is installed in the groove (612).

4. A photoelectric sensor for facilitating adjustment according to claim 2, wherein: the surface of the rotating block (61) is provided with a convex block (611), and the convex block (611) extends to the side end of the rotating block (61) and is positioned in front of the surface of the shell (1).

5. An adjustable photosensor according to claim 4 wherein: the surface of the shell (1) is provided with a clamping block (12), and the protruding block (611) can drive the rotating block (61) to rotate and abut against the clamping block (12).

6. A photoelectric sensor for facilitating adjustment according to claim 2, wherein: the circuit board (3) is including erecting main control board (31) and violently main control board (32), violently main control board (32) are located perpendicularly the back of violently main control board (32), the surface of violently main control board (32) be equipped with rotatable regulating part (33) of connecting block (62) looks adaptation, light emitting device (4) and light receiving device (5) are located the up end of violently main control board (32).

7. An adjustable photosensor according to claim 6 further comprising: the utility model discloses a light emitting device, including mounting bracket (2), detection window (13) that have seted up emission hole (21) and receiving hole (22) on mounting bracket (2), be equipped with on shell (1) and correspond emission hole (21) and receiving hole (22), emission hole (21) are located the top of light emitting device (4), correspondingly receiving hole (22) are located the top of light receiving device (5), install first lens (221) on receiving hole (22), install second lens (211) on emission hole (21).

8. An adjustable photosensor according to claim 7 wherein: mounting bracket (2) orientation stretch out a plurality of card posts in the direction of circuit board (3), it is equipped with a plurality of draw-in grooves to correspond on circuit board (3), the card post stretches into realize in the draw-in groove circuit board (3) are in location on mounting bracket (2).

9. An adjustable photosensor according to claim 8 wherein: the inside of shell (1) is equipped with the reference column, be equipped with the constant head tank with reference column looks adaptation on mounting bracket (2), the reference column imbeds to the constant head tank in order to fix a position mounting bracket (2), the inside of shell (1) still is equipped with locating plate (16) of mutual parallel arrangement, be formed with between locating plate (16) spacing groove (17), erect main control board (31) and imbed extremely in order to realize the location in the constant head tank circuit board (3).

10. An adjustable photosensor according to claim 6 further comprising: an indicator lamp (311) is further arranged on the vertical main control board (31), and the indicator lamp (311) extends out of the surface of the shell (1).