CN216246407U

CN216246407U - Square photoelectric sensor

Info

Publication number: CN216246407U
Application number: CN202122907950.0U
Authority: CN
Inventors: 吴晨雨; 吴建武
Original assignee: Zhejiang Leishi Electronic Technology Co ltd
Current assignee: Zhejiang Leishi Electronic Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-08
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to a square photoelectric sensor, which comprises a rectangular shell with an accommodating space arranged therein, wherein one side surface on the periphery of the rectangular shell is used as a light receiving surface, the other adjacent side of the rectangular shell is used as an indicating surface, the middle part of the indicating surface is provided with a light guide mounting opening, and a light guide body is arranged in the mounting opening; the middle part of the light guide mounting opening is provided with at least one partition plate, and the partition plate extends into the accommodating space; at least two light guide columns are distributed at one end of the inner side of the light guide body, the light guide columns are distributed in the light guide mounting opening at intervals through the partition plates and extend to the accommodating space without exceeding the partition plates, and one end of the outer side of the light guide body serves as an observation end and protrudes out of the indicating surface. According to the utility model, through the arrangement of the middle partition plate of the light guide mounting opening, the light guide columns of the light guide body are separated by the partition plate at intervals, so that optical signals received by the corresponding ends of the light guide columns are not interfered with each other, and the observation end of the light guide body protrudes out of the indication surface, so that a user can observe the indication state of the corresponding light-emitting body led out by the light guide body.

Description

Square photoelectric sensor

Technical Field

The utility model relates to the field of sensors, in particular to a square photoelectric sensor.

Background

The photoelectric sensor is generally composed of two parts, a processing path and a processing element. The basic principle is based on the photoelectric effect, which converts the measured change into a change of an optical signal, and then further converts the non-electrical signal into an electrical signal by means of a photoelectric element. The photoelectric effect is that a series of photons with a certain energy bombard an object, the energy of the photons is transferred to electrons, and the whole energy of a photon is absorbed by an electron at one time, and the state of the electron changes after the electron obtains the energy transferred by the photon, so that the object irradiated by light has a corresponding electric effect.

The existing photoelectric sensor has the defects that when a plurality of indicator lights are in a display state, the light guide columns of the light guide body interfere with each other when the indicator lights are guided, so that the display state is not obvious, and the indication state at that time cannot be clear.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a square photoelectric sensor, in which a light guide structure and a partition structure between each light guide pillar and each light emitter are optimized, so that an indication state is more favorable for user identification when each light emitter is lighted and guided to an observation end through each light guide pillar.

The utility model provides a square photoelectric sensor, which comprises a rectangular shell with an accommodating space arranged inside, wherein one side surface on the periphery of the rectangular shell is used as an illuminated surface, the other adjacent side of the rectangular shell is used as an indicating surface, the middle part of the indicating surface is provided with a light guide mounting opening, and a light guide body is arranged in the mounting opening; the middle part of the light guide mounting opening is provided with at least one partition plate which is respectively vertical to the bottom end surface of the rectangular shell and the indicating surface, and the partition plate extends into the accommodating space; at least two light guide columns are distributed at one end of the inner side of the light guide body, the light guide columns are distributed in the light guide installation opening at intervals through the partition plates and extend to the accommodating space without exceeding the partition plates, and one end of the outer side of the light guide body serves as an observation end and protrudes out of the indicating surface.

Furthermore, a partition groove is formed in the observation end of the light guide body corresponding to the partition plate.

Furthermore, a first PCB is horizontally arranged on the upper end face in the containing space of the rectangular shell, the partition board is correspondingly attached to the lower side board face of the first PCB, luminous bodies respectively corresponding to the positions of the light guide columns are arranged on one side, close to the indicating face, of the first PCB, and the luminous bodies are separated by the partition boards; one side of the lower side of the first PCB, which is close to the light receiving surface, is electrically connected with a second PCB, and a light receiving element and a light projecting element are arranged on the surface of the second PCB.

Furthermore, knob mounting holes are formed in the indication surface along two sides of the length direction of the indication surface, the light guide mounting port is located between the knob mounting holes formed in the two sides, potentiometers rotators are correspondingly connected to the first PCB on one axial side of each knob mounting hole respectively, and knobs which are correspondingly connected with the potentiometers rotators respectively are arranged in the knob mounting holes.

Furthermore, the upper end face of the rectangular shell is an open end, the first PCB and the second PCB are arranged in the accommodating space through the open end, and an upper cover plate is arranged on the open end in a covering mode.

Furthermore, a cable penetrating into the accommodating space and electrically connected with the first PCB or the second PCB is arranged outside the rectangular shell.

Furthermore, cable mounting holes are formed in the intersection positions of the rest two side faces of the rectangular shell, wire buckles penetrate through the cable mounting holes, and the cables penetrate through the accommodating space through the wire buckles.

Furthermore, a light receiving bin and a light projecting bin are distributed at intervals between the second PCB and the light receiving surface in the accommodating space of the rectangular shell, one side of the light receiving bin, which is close to the light receiving element, is provided with a first through hole, the other side of the light receiving bin is an open hole and faces the light receiving surface, one side of the light projecting bin, which is close to the light projecting element, is provided with a second through hole, and the other side of the light projecting bin is also an open hole and faces the light receiving surface.

Furthermore, a lens mounting opening is formed in the light receiving surface, a plane mirror is arranged in the lens mounting opening, and lenses are arranged between the opening openings of the light receiving bin and the light projection bin and the plane mirror.

Compared with the prior art, the square photoelectric sensor is provided with the middle partition plate of the light guide mounting opening, and the light guide columns of the light guide body are separated by the partition plate at intervals, so that optical signals received by the corresponding ends of the light guide columns are not interfered with each other, and the observation end of the light guide body protrudes out of the indication surface, so that a user can observe the indication state of the corresponding light emitting body led out by the light guide body; the arrangement of the partition groove aims at partitioning and distinguishing the states of the luminous bodies conducted by the light guide columns, so that the user identification is facilitated, and compared with a single luminous body which is common in the market, the integrated luminous body is directly guided out of the shell or is provided with the light guide body independently, so that the assembly and positioning are facilitated, and the overall effect is better; the leaded light installing port is located between the knob mounting hole of both sides, and it has optimized the structure, and the certain distance in both sides knob mounting hole interval to guarantee that the rectangle casing can not lead to indicating the face structure pressurized damage to the structural strength of indicating the face when the knob in the knob mounting hole of both sides is debugging, and the light guide body arranges and more accords with modern engineering aesthetic between the knob mounting hole of both sides.

Drawings

FIG. 1 is a schematic diagram illustrating the square photoelectric sensor of the present invention after the upper cover plate is removed;

FIG. 2 is a schematic front view of a photosensor according to the present invention;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;

FIG. 4 is a schematic front view of the rectangular housing of FIG. 1;

FIG. 5 is a front view of the rectangular housing and the upper cover of FIG. 1;

FIG. 6 is a schematic perspective view of the square photoelectric sensor of the present invention after the upper cover plate is opened;

FIG. 7 is a schematic structural view of the light guide of FIG. 1;

FIG. 8 is a schematic perspective view of the light guide of FIG. 1;

fig. 9 is a schematic distribution diagram of the first PCB, the second PCB and the light guide in fig. 1.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, 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 utility model and are not intended to limit the utility model.

Referring to fig. 1-9, the square photoelectric sensor of the present invention includes a rectangular housing 1 having an accommodating space 10 therein, one side surface of the periphery of the rectangular housing 1 is a light receiving surface 11, the other adjacent side thereof is an indicating surface 12, a light guide mounting opening 13 is formed in the middle of the indicating surface 12, and a light guide 2 is disposed in the mounting opening 13.

At least one partition plate 14 perpendicular to the bottom end surface of the rectangular housing 1 and the indicating surface 12 is disposed in the middle of the light guide mounting opening 13, and the partition plate 14 extends into the accommodating space 10. At least two light guide columns 21 are distributed at one end of the inner side of the light guide body 2, the light guide columns 21 are distributed in the light guide installation opening 13 at intervals through the partition plate 14 and extend towards the accommodating space 10 without exceeding the partition plate 14, and one end of the outer side of the light guide body 2 serves as an observation end 200 and protrudes out of the indication surface 12.

The partition groove 20 is formed in the position, corresponding to the partition plate 14, of the observation end of the light guide body 2, so that states of the light emitting bodies conducted by the light guide columns are partitioned and distinguished, the partition groove 20 partitions the observation end 200 of the light guide body into blocks corresponding to the light guide columns, the blocks correspond to bulges, when the light guide body is in a display state, the display effect of the bulge part of the observation end 200 is more obvious, and the light guide columns corresponding to the bulge part correspond to light sources emitted by the light emitting bodies to display an indication state in real time.

The deeper the depth of the partition groove 20 is, the better the partition effect is, and the more obvious the indication state of each corresponding illuminant 30 is displayed by the observation end 200 by reducing the refractive index of the light source when the projection parts on the observation end 200 corresponding to each light guide column 21 conducts the light source of the corresponding illuminant 30.

Put first PCB board 3 on the up end in rectangular shell 1's accommodation space 10, baffle 14 corresponds and pastes in the lower side face of first PCB board 3 tightly, be close to on the first PCB board 3 and indicate 12 one side and be provided with respectively with the luminous body 30 that light guide 21 position corresponds, and each luminous body 30 is separated apart by each baffle 14, the luminous body 30 state that the purpose of doing so lies in a plurality of light guide 32 biography derivation cuts off the differentiation, more be favorable to user identification, and integral luminous body 2 compares in the common single luminous body in market and directly guides to the casing outside or set up the light guide body alone, it more does benefit to the equipment location, whole effect is better.

The second PCB 4 is electrically connected to a side of the lower side of the first PCB 3 close to the light receiving surface 11, and a light receiving element 41 and a light projecting element 42 are disposed on a surface of the second PCB 4. The indicating surface 12 is provided with knob mounting holes 15 along both sides of the length direction thereof, and the light guide mounting port 13 is positioned between the knob mounting holes 15 provided on both sides. The first PCB board 3 of each 15 axial one sides of knob mounting hole corresponds respectively and is connected with potentiometre circulator 31, is equipped with in the knob mounting hole 15 and corresponds respectively and corresponds the knob 5 of being connected with each potentiometre circulator 31 to both sides knob mounting hole can keep apart certain distance, thereby guarantees that rectangular housing 1 has stronger structural strength to indicating surface 12. When the knobs 5 in the knob mounting holes 15 on the two sides are debugged, the structural parts of the indicating surface 12 cannot be pressed and damaged, and the light guide body 2 is arranged between the knob mounting holes 15 on the two sides and is more accordant with modern engineering aesthetics. A light receiving chamber 16 and a light projecting chamber 17 are spaced between the second PCB 4 and the light receiving surface 11 in the accommodating space 10 of the rectangular housing 1, a first through hole 161 is formed on one side of the light receiving chamber 16 close to the light receiving element 41, the other side of the light receiving chamber is open and faces the light receiving surface 11, a second through hole 171 is formed on one side of the light projecting chamber 17 close to the light projecting element 42, and the other side of the light projecting chamber is also open and faces the light receiving surface 11. The light receiving chamber 16 and the light projecting chamber 17 are two spaced apart chambers, so as to avoid signal receiving and signal projecting interference between the light receiving element 41 and the light projecting element 42.

The light receiving surface 11 is provided with a lens mounting opening 110, a plane mirror 6 is arranged in the lens mounting opening 110, a lens 7 is arranged between the open openings of the light receiving chamber 16 and the light projecting chamber 17 and the plane mirror 6, and the lens 7 actually comprises two lens rings which are respectively opposite to the light receiving element 41 and the light projecting element 42. The rectangular shell 1 is provided with a cable 8 which runs through the accommodating space 10 and is electrically connected with the first PCB 3 or the second PCB 4, the intersecting part of the rest two side surfaces of the rectangular shell 1 is provided with a cable mounting hole 18, a cable buckle 9 is arranged in the cable mounting hole 18 in a penetrating manner, and the cable 8 runs through the accommodating space 10 through the cable buckle 9. The upper end face of the rectangular shell 1 is an open end, the first PCB 3 and the second PCB 4 are arranged in the accommodating space 10 from the open end, and an upper cover plate 19 is covered on the open end.

Rectangular housing 1 is plastic mold injection moulding integrated into one piece, the knob mounting hole 15 of casing part, leaded light installing port 13, baffle 14, both sides promptly, light receiving bin 16, light throws PCB board location screens structure and outside hole site such as storehouse 17, lens installing port 110 and cable mounting hole 18 and all at plastic mold injection moulding, leaded light installing port 13 and baffle 14 and the position distribution of the knob mounting hole 15 of both sides are favorable to the action of loosing core among the mould forming process and guarantee to loose core accomplish smoothly and reduce the bad rate of shaping.

Referring to fig. 1-9, a light guide mounting opening 13 is formed in the middle of the indicating surface 12, and a light guide body 2 is disposed in the light guide mounting opening 13. The middle part of leaded light installing port 13 is equipped with a

slice baffle

14, 2 inboard one end distributions of light guide body have two leaded light posts 21, and two leaded light posts 21 are distributed in leaded light installing port 13 by baffle 14 interval.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A square photoelectric sensor comprises a rectangular casing (1) with a containing space (10) inside, one side surface of the periphery of the rectangular casing (1) is used as a light receiving surface (11), and the other adjacent side is used as an indicating surface (12),

a light guide mounting opening (13) is formed in the middle of the indicating surface (12), and a light guide body (2) is arranged in the mounting opening (13);

the middle part of the light guide mounting opening (13) is provided with at least one partition plate (14) which is respectively vertical to the bottom end surface of the rectangular shell (1) and the indicating surface (12), and the partition plate (14) extends into the accommodating space (10);

at least two light guide columns (21) are distributed at one end of the inner side of the light guide body (2), the light guide columns (21) are distributed in the light guide mounting opening (13) at intervals through the partition plate (14) and extend towards the accommodating space (10) but do not exceed the partition plate (14), and one end of the outer side of the light guide body (2) serves as an observation end (200) and protrudes out of the indicating surface (12).

2. The square photoelectric sensor according to claim 1, wherein a blocking groove (20) is formed on the observation end of the light guide body (2) at a position corresponding to the partition plate (14).

3. The square photoelectric sensor according to claim 1, wherein a first PCB (3) is flatly disposed on the upper end surface of the receiving space (10) of the rectangular housing (1), the partition (14) is correspondingly attached to the lower side surface of the first PCB (3), and the first PCB (3) is provided with light emitters (30) corresponding to the light guide posts (21) at positions close to the indication surface (12), and the light emitters (30) are spaced by the partitions (14); one side of the lower side of the first PCB (3) close to the light receiving surface (11) is electrically connected with a second PCB (4), and a light receiving element (41) and a light projecting element (42) are arranged on the surface of the second PCB (4).

4. The square photoelectric sensor according to claim 3, wherein the indication surface (12) is provided with knob mounting holes (15) along both sides of the length direction thereof, the light guide mounting port (13) is located between the knob mounting holes (15) provided on both sides thereof, the first PCB (3) on one axial side of each knob mounting hole (15) is correspondingly connected with a potentiometer rotator (31), and the knob mounting hole (15) is internally provided with a knob (5) correspondingly connected with each potentiometer rotator (31).

5. The square photoelectric sensor according to claim 3, wherein the upper end surface of the rectangular housing (1) is an open end, the first PCB (3) and the second PCB (4) are placed in the accommodating space (10) from the open end, and an upper cover plate (19) is arranged on the open end.

6. A square shaped photo sensor according to claim 3 characterized in that the rectangular housing (1) is externally provided with a cable (8) penetrating into the receiving space (10) and electrically connected to the first PCB board (3) or the second PCB board (4).

7. The square photoelectric sensor according to claim 6, wherein a cable mounting hole (18) is formed at the intersection of the other two side surfaces of the rectangular housing (1), a wire buckle (9) penetrates through the cable mounting hole (18), and the cable (8) penetrates into the accommodating space (10) through the wire buckle (9).

8. The square photoelectric sensor according to claim 3, wherein a light receiving bin (16) and a light projecting bin (17) are arranged at intervals between the second PCB (4) and the light receiving surface (11) in the accommodating space (10) of the rectangular housing (1), a first through hole (161) is formed in one side of the light receiving bin (16) close to the light receiving element (41), the other side of the light receiving bin is open and faces the light receiving surface (11), a second through hole (171) is formed in one side of the light projecting bin (17) close to the light projecting element (42), and the other side of the light projecting bin is also open and faces the light receiving surface (11).

9. The square photoelectric sensor according to claim 8, wherein the light receiving surface (11) is provided with a lens mounting opening (110), a plane mirror (6) is provided in the lens mounting opening (110), and a lens (7) is disposed between the plane mirror (6) and the openings of the light receiving chamber (16) and the light projecting chamber (17).