CN220525998U - Reflective infrared photoelectric sensor - Google Patents
Reflective infrared photoelectric sensor Download PDFInfo
- Publication number
- CN220525998U CN220525998U CN202322086533.3U CN202322086533U CN220525998U CN 220525998 U CN220525998 U CN 220525998U CN 202322086533 U CN202322086533 U CN 202322086533U CN 220525998 U CN220525998 U CN 220525998U
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- circuit board
- lens
- infrared
- photoelectric sensor
- reflective
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- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 description 9
- 238000003466 welding Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model relates to a reflective infrared photoelectric sensor, which comprises a shell, a circuit board and a lens, wherein the circuit board is vertically arranged in the shell, an infrared emitter and an infrared receiver are arranged on the circuit board, the lens is correspondingly arranged with the infrared emitter and the infrared receiver, and a slot for plugging a signal wire is also arranged on the circuit board. The reflective infrared photoelectric sensor provided by the utility model has the advantages of reasonable structure and rapid installation, and can ensure the yield and improve the production efficiency.
Description
Technical Field
The utility model relates to the technical field of photoelectric sensors, in particular to a reflective infrared photoelectric sensor.
Background
Reflective infrared photosensors are a common type of photosensor that detect the presence or position of a target object by emitting and receiving infrared light, and such sensors typically consist of a light emitter and a light receiver. The light emitter emits an infrared light beam, the light beam is reflected by the target object and received by the light receiver, when the target object is shielded or approaches to the sensor, the light beam is blocked or scattered, so that the light intensity received by the receiver is changed, and the existence, the distance or the position and other information of the target object can be judged by detecting the change of the received light signal. Reflective infrared photoelectric sensors are widely used in various fields including automatic doors, reflective signs, smart home, industrial automation, and the like. They have the characteristics of high sensitivity, high reaction speed and simple structure, and play an important role in many automatic control and detection systems.
The structure of reflection-type infrared photoelectric sensor is mainly casing, optical module and circuit board, optical module is connected with the circuit board, and optical module and circuit board all set up in the casing, and the structure schematic diagram that is present reflection-type infrared photoelectric sensor is shown in fig. 1 and 2, and the circuit board level is placed in the casing, and optical module is vertical to be set up, welds together with the circuit board to with signal line welding on the circuit board, this kind of reflection-type infrared photoelectric sensor at first needs to weld optical module on the circuit board owing to need more in the welded position, still need with signal line welding on the circuit board owing to welding position is more to lead to production efficiency to be lower, also lead to the fault rate higher simultaneously.
Disclosure of Invention
The utility model aims to provide a reflective infrared photoelectric sensor, which solves the problems of the prior photoelectric sensor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the infrared transmitter and the infrared receiver are arranged on the circuit board, the lens is correspondingly arranged with the infrared transmitter and the infrared receiver, and a slot for plugging a signal wire is also arranged on the circuit board.
Further, a clamping plate for clamping and fixing the circuit board is arranged at the bottom of the shell, and the clamping plate is arranged along the length direction of the circuit board.
Further, the front side of the shell is provided with a mounting groove, the lens is arranged in the mounting groove, the front end of the lens is positioned in the mounting groove, and the rear end of the lens is inserted into the infrared emitter and the infrared receiver.
Further, the rear end of the lens is provided with a fixed column, and a fixed hole is arranged at a corresponding position on the circuit board.
Further, the edge of circuit board length direction is provided with the pilot lamp, the corresponding position is equipped with the light trap on the casing.
Further, a dust-proof plate is arranged in the mounting groove, and the lens is located behind the dust-proof plate.
The utility model has the beneficial effects that:
according to the reflective infrared photoelectric sensor, the infrared emitter and the infrared receiver are integrated on the circuit board, and the circuit board is vertically arranged, so that the size of the circuit board is reduced, a process for welding and connecting an optical module and the circuit board is not required in a production link, the process flow is reduced, the size of the circuit board is reduced, the production cost is also reduced, the circuit board is vertically arranged, the circuit board is more convenient to mount manually, the production efficiency can be improved, the circuit board and a signal wire are connected in a slot connection mode, and the circuit board is directly spliced, so that the traditional welding process is replaced, the production efficiency is further improved, and the yield is increased to a certain extent due to the fact that the number of manual welding links is reduced.
Drawings
Fig. 1 is a schematic structural view (perspective view) of a reflective photosensor in the prior art;
fig. 2 is a schematic structural view (exploded view) of a reflective photosensor in the prior art;
FIG. 3 is a schematic view (perspective view) of the reflective photosensor of the present utility model;
FIG. 4 is a schematic structural view (exploded view) of the reflective photosensor of the present utility model;
FIG. 5 is a schematic view of the structure of FIG. 4 at another angle;
fig. 6 is a schematic structural view of a housing in the reflective photoelectric sensor of the present utility model.
Name corresponding to each label in the figure:
1. the LED lamp comprises a circuit board (11), fixing holes (12), indicator lamps (2), a shell, a 21, a clamping plate, a 22, a mounting groove, a 23, a light hole, a 3, an optical module, a 4, a lens, a 41, a fixing column, a 5, an infrared emitter, a 6, an infrared receiver, a 7, a slot, a 8 and a dust-proof plate.
Detailed Description
Fig. 1 and fig. 2 are schematic structural diagrams of an existing reflective photoelectric sensor, a circuit board 1 is horizontally placed in a housing 2, an optical module 3 is vertically arranged and welded with the circuit board 1, a signal wire is welded on the circuit board 1, and the reflective photoelectric sensor has lower production efficiency due to more positions required to be welded.
The following will describe the technical scheme of the reflective infrared photoelectric sensor in the embodiment of the present utility model clearly and completely with reference to the accompanying drawings in the embodiment of the present utility model.
As shown in fig. 3-6, the reflective infrared photoelectric sensor comprises a shell 2, a circuit board 1 and a lens 4, wherein the circuit board 1 is vertically arranged in the shell 2, an infrared emitter 5 and an infrared receiver 6 are arranged on a circuit, the lens 4 is correspondingly arranged with the infrared emitter 5 and the infrared receiver 6, and a slot 7 for plugging a signal wire is further arranged on the circuit board 1.
It should be noted that, through integrating infrared emitter 5 and infrared receiver 6 on circuit board 1, set up circuit board 1 vertically simultaneously, not only reduced the size of circuit board 1, also need not to adopt the technology with optical module 3 and circuit board 1 welded connection at the production link simultaneously, reduced the technological process, the size of circuit board 1 reduces simultaneously and also reduced manufacturing cost, circuit board 1 vertical setting, it is more convenient when the manual installation to circuit board 1, also can improve production efficiency, the connection of circuit board 1 and signal line adopts slot 7 connected mode, direct grafting can, replace current welding technology, further improved production efficiency, because the link of manual welding reduces, also increased the yields to a certain extent.
In some embodiments, the bottom of the housing 2 is provided with a clamping plate 21 for fixing the circuit board 1 in a clamping manner, the clamping plates 21 are arranged along the length direction of the circuit board 1, after the clamping plates 21 are arranged at intervals, a channel for fixing the circuit board 1 in a plugging manner is formed between the clamping plates 21, so that the fixing effect on the circuit board 1 is achieved, and meanwhile, an operator can conveniently and rapidly perform the installation procedure of the circuit board 1.
In addition, be provided with mounting groove 22 at casing 2 leading flank, mounting groove 22 is logical groove, link up with casing 2 inside, and lens 4 sets up in mounting groove 22, and the purpose that sets up lens 4 is focused infrared light that infrared reflector transmitted and the infrared light that the reflection was come back, reduces the scattering of infrared light, guarantees the accuracy of detection, and the front end of lens 4 is located mounting groove 22, and the rear end is pegged graft on infrared emitter 5 and infrared receiver 6.
Through setting up mounting groove 22, be favorable to carrying out the quick installation of lens 4, in the production link, with lens 4 follow mounting groove 22 slide in can, after lens 4 and circuit board 1 butt put in place, then infrared transmitter 5 and infrared receiver 6 all are located the rear end of lens 4, and lens 4 also plays the supporting role to circuit board 1.
Further, a fixing column 41 is arranged at the rear end of the lens 4, a fixing hole 11 is arranged at a corresponding position on the circuit board 1, and after the lens 4 is installed in place, the lens 4 passes through the fixing hole 11 and is connected with the fixing column 41 through a screw, so that the connection and fixation effects on the lens 4 and the circuit board 1 are achieved.
In some embodiments, the edge of the circuit board 1 in the length direction is provided with an indicator light 12, and a light hole 23 is arranged at a corresponding position on the housing 2, and the light of the indicator light 12 can be displayed through the light hole 23, so that the working state of the sensor can be conveniently judged according to the indicator light 12.
In other facility examples, the dust-proof plate 8 is arranged in the mounting groove 22, and the lens 4 is positioned behind the dust-proof plate 8, so that dust can be prevented from entering the sensor and the lens 4 through the dust-proof plate 8, and the accuracy of the detection result is ensured.
Working principle:
when the reflective infrared photoelectric sensor is assembled, firstly, a signal wire is inserted into the slot 7 of the circuit board 1, then the circuit board 1 is vertically placed and clamped on the corresponding clamping plate 21, after the clamping is carried out, the lens 4 slides into the shell 2 from the mounting groove 22, the infrared emitter 5 and the infrared receiver 6 on the circuit board 1 are both inserted into the rear end of the lens 4, then the lens 4 and the circuit board 1 are connected through screws, finally, the dust-proof plate 8 is covered in the mounting groove 22, so that the mounting procedure of the reflective infrared photoelectric sensor can be completed, the mounting is rapid, and the production efficiency is high.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
Claims (6)
1. A reflective infrared photoelectric sensor is characterized in that: the infrared transmitter and the infrared receiver are arranged on the circuit board, the lens is correspondingly arranged with the infrared transmitter and the infrared receiver, and a slot for plugging a signal wire is also arranged on the circuit board.
2. The reflective infrared photoelectric sensor according to claim 1, wherein: the bottom of the shell is provided with a clamping plate for clamping and fixing the circuit board, and the clamping plate is arranged along the length direction of the circuit board.
3. The reflective infrared photoelectric sensor according to claim 2, wherein: the front side of the shell is provided with a mounting groove, the lens is arranged in the mounting groove, the front end of the lens is positioned in the mounting groove, and the rear end of the lens is inserted into the infrared emitter and the infrared receiver.
4. The reflective infrared photoelectric sensor according to claim 3, wherein: the rear end of the lens is provided with a fixed column, and a fixed hole is arranged at a corresponding position on the circuit board.
5. The reflective infrared photoelectric sensor according to claim 4, wherein: the edge of circuit board length direction is provided with the pilot lamp, the corresponding position is equipped with the light trap on the casing.
6. The reflective infrared photoelectric sensor according to claim 5, wherein: a dust-proof plate is arranged in the mounting groove, and the lens is located behind the dust-proof plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322086533.3U CN220525998U (en) | 2023-08-03 | 2023-08-03 | Reflective infrared photoelectric sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322086533.3U CN220525998U (en) | 2023-08-03 | 2023-08-03 | Reflective infrared photoelectric sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220525998U true CN220525998U (en) | 2024-02-23 |
Family
ID=89928276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322086533.3U Active CN220525998U (en) | 2023-08-03 | 2023-08-03 | Reflective infrared photoelectric sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220525998U (en) |
-
2023
- 2023-08-03 CN CN202322086533.3U patent/CN220525998U/en active Active
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