CN211236284U - Screw loosening sensor based on laser sensing technology - Google Patents
Screw loosening sensor based on laser sensing technology Download PDFInfo
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- CN211236284U CN211236284U CN201922168659.9U CN201922168659U CN211236284U CN 211236284 U CN211236284 U CN 211236284U CN 201922168659 U CN201922168659 U CN 201922168659U CN 211236284 U CN211236284 U CN 211236284U
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Abstract
The utility model relates to a screw not hard up inductor based on laser sensing technique, including the inductor casing, a serial communication port, be equipped with internal circuit in the inductor casing, inductor casing rear side is equipped with the cable, inductor casing front side is equipped with laser emission pipe and is used for receiving laser signal's laser receiver tube, inductor casing top surface is equipped with the pilot lamp, internal circuit includes transmitting tube modulation module and receiver tube signal conversion module, laser emission pipe and cable all are connected with transmitting tube modulation module electricity, laser receiver tube, pilot lamp and cable all are connected with receiver tube signal conversion module electricity. The utility model discloses simple structure, reasonable in design through utilizing laser mirror reflection principle, has realized the accurate response to the screw angle deflection, has improved security and the promptness of maintaining to important mechanical parts.
Description
Technical Field
The utility model relates to an inductor technical field especially relates to a screw is not hard up inductor based on laser sensing technique.
Background
In the machinery field, the screw is essential fixed part, and the screw that leads to because of unexpected reasons such as mechanical vibration becomes flexible often can influence the safety and the normal operating of equipment itself, can damage equipment and threaten personal safety when serious. In the prior art, maintenance personnel often need to regularly check on site when finding the screw looseness, the situation that the screw looseness is not found timely is often found, and the detection is time-consuming and labor-consuming.
Disclosure of Invention
The utility model discloses aim at solving prior art's not enough, and provide a screw is not hard up inductor based on laser sensing technique.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a screw is not hard up inductor based on laser sensing technique, including the inductor casing, a serial communication port, be equipped with internal circuit in the inductor casing, inductor casing rear side is equipped with the cable, inductor casing front side is equipped with laser emission pipe and is used for receiving laser signal's laser receiver tube, inductor casing top surface is equipped with the pilot lamp, internal circuit includes transmitting tube modulation module and receiver tube signal conversion module, laser emission pipe and cable all are connected with transmitting tube modulation module electricity, the laser receiver tube, pilot lamp and cable all are connected with receiver tube signal conversion module electricity.
The indicator light is an LED indicator light.
The laser emitting tube emits laser light at a frequency of 180 khz to 250 khz.
The emitting tube modulation module comprises a resistor R1, a resistor R2, a resistor R3, a regulator P1 and an NPN type triode Q1, a laser emitting tube is a light emitting diode D1, a cable is electrically connected with the anode of the light emitting diode D1, the cathode of the diode D1 is electrically connected with the collector of the NPN type triode Q1 after being connected with the resistor R3, the emitter of the NPN type triode Q1 is grounded, the base of the NPN type triode Q1 is sequentially connected with the resistor R2 and the resistor R1 and then grounded, the anode of the light emitting diode D1 is electrically connected with the 2 pin of the regulator P1, and the 3 pin of the regulator P1 is connected with the resistor R1 and then grounded.
The receiving tube signal conversion module comprises a capacitor C1, a resistor R4 and a resistor R5, the laser receiving tube 3 is a detector P2, the indicator light is a light emitting diode D2, the cable is electrically connected with the anode of the light emitting diode D2, the anode of the light emitting diode D2 is connected with the 2 pin of the detector P2 after being connected with a resistor R4, the cathode of the light emitting diode D2 is connected with the 2 pin of the detector P2 after being connected with a resistor R5, the 1 pin of the detector P2 is grounded, the anode of the light emitting diode D2 is connected with the 1 pin of the detector P2 after being connected with a capacitor C1, and the 3 pin of the detector P2 is electrically connected with the anode of the light emitting diode D596.
The utility model has the advantages that: the utility model discloses simple structure, reasonable in design through utilizing laser mirror reflection principle, has realized the accurate response to the screw angle deflection, has improved security and the promptness of maintaining to important mechanical parts.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of an internal circuit;
in the figure: 1-an inductor housing; 2-laser emission tube; 3-laser receiving tube; 4-an indicator light; 5-a cable;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 2, a screw loosening sensor based on laser sensing technology, including sensor housing 1, its characterized in that, be equipped with internal circuit in the sensor housing 1, sensor housing 1 rear side is equipped with cable 5, sensor housing 1 front side is equipped with laser emission pipe 2 and is used for receiving laser signal's laser receiver tube 3, sensor housing 1 top surface is equipped with pilot lamp 4, internal circuit includes transmitting tube modulation module and receiving tube signal conversion module, laser emission pipe 2 and cable 5 all are connected with transmitting tube modulation module electricity, laser receiver tube 3, pilot lamp 4 and cable 5 all are connected with receiving tube signal conversion module electricity.
The indicator lamp 4 is an LED indicator lamp.
The laser emitting tube 2 emits laser light at a frequency of 180 khz to 250 khz.
The emitting tube modulation module comprises a resistor R1, a resistor R2, a resistor R3, a regulator P1 and an NPN type triode Q1, the laser emitting tube 2 is a light emitting diode D1, the cable 5 is electrically connected with the anode of the light emitting diode D1, the cathode of the diode D1 is electrically connected with the collector of the NPN type triode Q1 after being connected with the resistor R3, the emitter of the NPN type triode Q1 is grounded, the base of the NPN type triode Q1 is sequentially connected with the resistor R2 and the resistor R1 and then grounded, the anode of the light emitting diode D1 is electrically connected with the 2 pin of the regulator P1, and the 3 pin of the regulator P1 is connected with the resistor R1 and then grounded.
The receiving tube signal conversion module comprises a capacitor C1, a resistor R4 and a resistor R5, the laser receiving tube 3 is a detector P2, the indicator light 4 is a light emitting diode D2, the cable 5 is electrically connected with the anode of the light emitting diode D2, the anode of the light emitting diode D2 is connected with the 2 pin of the detector P2 after being connected with the resistor R4, the cathode of the light emitting diode D2 is connected with the 2 pin of the detector P2 after being connected with the resistor R5, the 1 pin of the detector P2 is grounded, the anode of the light emitting diode D2 is connected with the 1 pin of the detector P2 after being connected with the capacitor C1, and the 3 pin of the detector P2 is electrically connected with the anode of the light emitting diode D596.
The utility model discloses during operation, the one side of installing laser emission pipe 2 and laser receiver tube 3 is just to one side of the hexagon nut of screw, and laser is sent by laser emission pipe 2, through nut side mirror reflection, is received by laser receiver tube 3, produces the signal through receiver tube signal conversion module, and pilot lamp 4 is bright, and the signal received spreads through cable 5; in the use, in case the screw produces not hard up, hexagon nut will rotate certain angle, and laser just can no longer continue to follow original light path reflection and advance laser receiver tube 3, leads to signal interruption, and pilot lamp 4 is not bright, consequently can judge whether the screw produces not hard up phenomenon through the signal.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (5)
1. The utility model provides a screw is not hard up inductor based on laser sensing technique, including inductor shell (1), a serial communication port, be equipped with internal circuit in inductor shell (1), inductor shell (1) rear side is equipped with cable (5), inductor shell (1) front side is equipped with laser emission pipe (2) and is used for receiving laser signal's laser receiver tube (3), inductor shell (1) top surface is equipped with pilot lamp (4), internal circuit includes transmitting tube modulation module and receiving tube signal conversion module, laser emission pipe (2) and cable (5) all are connected with transmitting tube modulation module electricity, laser receiver tube (3), pilot lamp (4) and cable (5) all are connected with receiving tube signal conversion module electricity.
2. The laser sensing technology-based screw loosening sensor as claimed in claim 1, wherein the indicator light (4) is an LED indicator light.
3. The laser sensing technology-based screw loosening sensor according to claim 1, wherein the laser emitting tube (2) emits laser light at a frequency of 180 khz to 250 khz.
4. The laser sensing technology-based screw loosening sensor according to claim 1, wherein the emitter tube modulation module comprises a resistor R1, a resistor R2, a resistor R3, a regulator P1 and an NPN-type triode Q1, the laser emitter tube (2) is a light emitting diode D1, the cable (5) is electrically connected with the anode of the light emitting diode D1, the cathode of the diode D1 is electrically connected with the collector of the NPN-type triode Q1 after being connected with the resistor R3, the emitter of the NPN-type triode Q1 is grounded, the base of the NPN-type triode Q1 is sequentially connected with the resistor R2 and the resistor R1 and then grounded, the anode of the light emitting diode D1 is electrically connected with the 2 pin of the regulator P1, and the 3 pin of the regulator P1 is connected with the resistor R1 and then grounded.
5. The laser sensing technology-based screw loosening sensor according to claim 1, wherein the receiving tube signal conversion module comprises a capacitor C1, a resistor R4 and a resistor R5, the laser receiving tube (3) is a detector P2, the indicator light (4) is a light emitting diode D2, the cable (5) is electrically connected to the anode of the light emitting diode D2, the anode of the light emitting diode D2 is connected to the 2 pin of the detector P2 after being connected to the resistor R4, the cathode of the light emitting diode D2 is connected to the 2 pin of the detector P2 after being connected to the resistor R5, the 1 pin of the detector P2 is grounded, the anode of the light emitting diode D2 is connected to the 1 pin of the detector P2 after being connected to the capacitor C1, and the 3 pin of the detector P2 is electrically connected to the anode of the light emitting diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922168659.9U CN211236284U (en) | 2019-12-06 | 2019-12-06 | Screw loosening sensor based on laser sensing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922168659.9U CN211236284U (en) | 2019-12-06 | 2019-12-06 | Screw loosening sensor based on laser sensing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211236284U true CN211236284U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922168659.9U Active CN211236284U (en) | 2019-12-06 | 2019-12-06 | Screw loosening sensor based on laser sensing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211236284U (en) |
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2019
- 2019-12-06 CN CN201922168659.9U patent/CN211236284U/en active Active
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