CN217643866U - Reflection-type photoelectric switch convenient to installation and debugging - Google Patents
Reflection-type photoelectric switch convenient to installation and debugging Download PDFInfo
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- CN217643866U CN217643866U CN202220610921.XU CN202220610921U CN217643866U CN 217643866 U CN217643866 U CN 217643866U CN 202220610921 U CN202220610921 U CN 202220610921U CN 217643866 U CN217643866 U CN 217643866U
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Abstract
The utility model discloses a reflection-type photoelectric switch convenient to installation and debugging, it includes PCB board, infrared emission head, infrared receiving head and control circuit, and control circuit includes electrically conductive printed circuit, varistor and binding post, electrically conductive printed circuit sets up the both sides at the PCB board, and infrared emission head and infrared receiving head are located one side of PCB board and with electrically conductive printed circuit electric connection; the variable resistor and the wiring terminal are arranged on the other side of the PCB and are electrically connected with the conductive printed circuit. The infrared transmitting head and the infrared receiving head of the reflection-type photoelectric switch convenient to install and debug are positioned on one side of the PCB, and the variable resistor and the wiring terminal are positioned on the other side of the PCB, so that the infrared transmitting head and the infrared receiving head are prevented from being blocked with other electronic components; in addition, the infrared transmitting head and the infrared receiving head face to one side, and the other side of the PCB can be connected with a wire and adjust the variable resistor, so that the induction distance can be adjusted conveniently.
Description
Technical Field
The utility model relates to a reflection-type photoelectric switch, especially a reflection-type photoelectric switch convenient to installation and debugging.
Background
When the existing photoelectric sensing probe is installed, for example, a photoelectric switch circuit connector disclosed in patent document No. CN106654707A in 2017, 5.10.10.4.1, a support frame needs to be arranged in a water dispenser main body, and then a photoelectric switch is installed on the support frame, so that the installation is complex; moreover, the range of the induction needs to be changed by changing the installation position of the photoelectric switch, and the operation is difficult.
In addition, the existing photoelectric sensing probe is generally provided with a wiring harness leading-out, the wiring harness cannot be separated from the photoelectric sensing probe, the whole arranged wiring harness needs to be completely disassembled during replacement or maintenance, and the wiring harness needs to be reassembled during installation, so that the installation is very troublesome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reflection-type photoelectric switch convenient to installation and debugging rational in infrastructure, small, the circuit is compact.
The purpose of the utility model is realized like this:
the utility model provides a reflection-type photoelectric switch convenient to installation and debugging, includes PCB board, infrared emission head, infrared receiving head and control circuit, and control circuit includes electrically conductive printed wiring, varistor and binding post, its characterized in that: the conductive printed circuit is arranged on two sides of the PCB, and the infrared transmitting head and the infrared receiving head are positioned on one side of the PCB and are electrically connected with the conductive printed circuit; the variable resistor and the wiring terminal are arranged on the other side of the PCB and are electrically connected with the conductive printed circuit.
The purpose of the utility model can also adopt the following technical measures to solve:
as a more specific scheme, the control circuit further comprises a resistor, a capacitor, a diode and a control chip, wherein the resistor, the capacitor, the diode and the control chip are arranged on the other side of the PCB and electrically connected with the conductive printed circuit.
As a further scheme, a wire inserting seat is welded on the wiring terminal.
As a further scheme, the surface of the PCB is provided with connecting holes penetrating through two sides of the PCB.
As a further scheme, the PCB is rectangular, and the connecting holes are distributed at two ends of the PCB.
As a further scheme, the infrared transmitting head and the infrared receiving head are positioned in the middle of the PCB.
As a further scheme, light-blocking sleeves are arranged outside the infrared transmitting head and the infrared receiving head.
As a further scheme, a blank insulating tape is arranged between the connecting hole and the conductive printed circuit.
The utility model has the advantages as follows:
(1) The infrared transmitting head and the infrared receiving head of the reflection-type photoelectric switch convenient to install and debug are positioned on one side of the PCB, and the variable resistor and the wiring terminal are positioned on the other side of the PCB, so that the infrared transmitting head and the infrared receiving head are prevented from blocking other electronic components; in addition, the infrared transmitting head and the infrared receiving head face to one side, and the other side of the PCB can be connected with a wire and adjust the variable resistor, so that the induction distance can be adjusted conveniently.
(2) When the reflection-type photoelectric switch convenient to install and debug is installed inside some closed shells (such as water dispenser shells), the reflection-type photoelectric switch is connected with the inner sides of the closed shells through the connecting holes in the PCB, the infrared emitting heads and the infrared receiving heads face the inner walls of the closed shells, and at the moment, a user can debug and install the variable resistors and the wiring terminals conveniently.
(3) The wiring terminal of the reflection-type photoelectric switch convenient to install and debug is provided with the wire plugging seat, so that the wiring harness is conveniently connected with the split type photoelectric switch in a plugging mode, the wiring harness does not need to be moved during replacement or maintenance, and replacement and maintenance are convenient.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of a side structure of the middle PCB board of the present invention.
Fig. 3 is a schematic structural diagram of the electronic component layout in fig. 2.
Fig. 4 is a schematic view of the other side structure of the middle PCB board of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
referring to fig. 1 to 4, a reflection-type photoelectric switch convenient for installation and debugging includes a PCB board 1, an infrared emitting head 12, an infrared receiving head 13 and a control circuit, where the control circuit includes a conductive printed circuit, a variable resistor 3 and a connection terminal, the conductive printed circuit is disposed on two sides of the PCB board 1, and the infrared emitting head 12 and the infrared receiving head 13 are located on one side of the PCB board 1 and electrically connected to the conductive printed circuit; the variable resistor 3 and the wiring terminal are arranged on the other side of the PCB board 1 and are electrically connected with the conductive printed circuit. The conductive printed circuit on one side of the PCB 1 is an inner conductive printed circuit 17, the conductive printed circuit on the other side of the PCB 1 is an outer conductive printed circuit 15, and a communication section is provided between the inner conductive printed circuit 17 and the outer conductive printed circuit 15.
The control circuit further comprises resistors (61, 62, 63, 64, 65 and 66), capacitors (51, 52, 53 and 54), diodes (71, 72 and 73) and a control chip 4, wherein the resistors, the capacitors, the diodes and the control chip 4 are arranged on the other side of the PCB board 1 and are electrically connected with the conductive printed circuit.
The wiring terminal is welded with a wiring socket 14.
The surface of the PCB board 1 is provided with connecting holes 11 which penetrate through two sides of the PCB board.
The PCB board 1 is rectangular, and the connecting holes 11 are distributed at two ends of the PCB board 1.
The infrared emitting head 12 and the infrared receiving head 13 are positioned in the middle of the PCB board 1.
And light-blocking sleeves 2 are arranged outside the infrared emission heads 12 and the infrared receiving heads 13. The light-blocking sleeve 2 is provided with a first hole 22 and a second hole 23 which are separated from each other, the infrared emitting head 12 and the infrared receiving head 13 are respectively inserted into the first hole 22 and the second hole 23, and the root of the light-blocking sleeve 2 is also provided with a baffle 21.
A blank insulating tape 111 is disposed between the connection hole 11 and the conductive printed circuit.
The utility model discloses mainly protect the position relation of infrared emission head 12 and infrared receiving head 13 and electronic component overall arrangement on the PCB board, especially protect the position relation of infrared emission head 12, infrared receiving head 13, variable resistance 3 and binding post and PCB board, other electronic component and connection are not this technical scheme's only injecion in the circuit, and other electronic component can have other changes in the circuit, and final circuit also can change, still belongs to within this technical scheme's the protection scope. The operation principle of the reflective photoelectric switch belongs to the known technology, and is not described in detail here.
Claims (8)
1. The utility model provides a reflection-type photoelectric switch convenient to installation and debugging, includes PCB board (1), infrared emission head (12), infrared receiving head (13) and control circuit, and control circuit includes electrically conductive printed wiring, varistor (3) and binding post, its characterized in that: the conductive printed circuit is arranged on two sides of the PCB (1), and the infrared emitting head (12) and the infrared receiving head (13) are positioned on one side of the PCB (1) and are electrically connected with the conductive printed circuit; the variable resistor (3) and the wiring terminal are arranged on the other side of the PCB (1) and are electrically connected with the conductive printed circuit.
2. The reflective photoelectric switch of claim 1, wherein: the control circuit further comprises a resistor, a capacitor, a diode and a control chip (4), wherein the resistor, the capacitor, the diode and the control chip (4) are arranged on the other side of the PCB (1) and electrically connected with the conductive printed circuit.
3. The reflective type photoelectric switch of claim 1, wherein: and the wiring terminal is welded with a wiring seat (14).
4. The reflective photoelectric switch of claim 1, wherein: the surface of the PCB (1) is provided with connecting holes (11) which penetrate through the two sides of the PCB.
5. The reflective type photoelectric switch of claim 4, wherein: the PCB (1) is rectangular, and the connecting holes (11) are distributed at two ends of the PCB (1).
6. The reflective photoelectric switch of claim 3, wherein: the infrared transmitting head (12) and the infrared receiving head (13) are positioned in the middle of the PCB (1).
7. The reflective photoelectric switch of claim 1, wherein: and light-blocking sleeves (2) are arranged outside the infrared transmitting head (12) and the infrared receiving head (13).
8. The reflective photoelectric switch of claim 4, wherein: and a blank insulating tape (111) is arranged between the connecting hole (11) and the conductive printed circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220610921.XU CN217643866U (en) | 2022-03-19 | 2022-03-19 | Reflection-type photoelectric switch convenient to installation and debugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220610921.XU CN217643866U (en) | 2022-03-19 | 2022-03-19 | Reflection-type photoelectric switch convenient to installation and debugging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217643866U true CN217643866U (en) | 2022-10-21 |
Family
ID=83644800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220610921.XU Active CN217643866U (en) | 2022-03-19 | 2022-03-19 | Reflection-type photoelectric switch convenient to installation and debugging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217643866U (en) |
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2022
- 2022-03-19 CN CN202220610921.XU patent/CN217643866U/en active Active
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