CN214369624U - Laser projection lamp with automatic human safe distance protection device of response - Google Patents
Laser projection lamp with automatic human safe distance protection device of response Download PDFInfo
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- CN214369624U CN214369624U CN202120655346.0U CN202120655346U CN214369624U CN 214369624 U CN214369624 U CN 214369624U CN 202120655346 U CN202120655346 U CN 202120655346U CN 214369624 U CN214369624 U CN 214369624U
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- projection lamp
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Abstract
The utility model discloses a laser projection lamp with human safe distance protection device of auto-induction, including human response sensor, laser projection lamp body and control circuit board, human response sensor sets up on the laser projection lamp body, human response sensor and laser projection lamp body all with control circuit board electric connection, control circuit board is provided with power source. The utility model discloses a human response sensor detects the irradiation range and whether someone, extinguishes laser projection lamp automatically when someone, prevents that laser from causing the injury to human eyes.
Description
Technical Field
The utility model relates to a laser projection lamp specifically is a laser projection lamp with human safe distance protection device of auto-induction.
Background
The laser projection lamp is mainly used for projecting patterns on outdoor or indoor wall surfaces to manufacture festive atmosphere. Various laser projection lamps in the market do not perform safety protection on human bodies in a projection area, and people can be injured by laser irradiation at a short distance. Therefore, a laser projection lamp with a protection device for automatically sensing the human body safety distance is developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a laser projection lamp with human safe distance protection device of auto-induction possesses simple structure, advantage that the cost of manufacture is low, has solved the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a laser projection lamp with human safe distance protection device of auto-induction, includes human inductive transducer, laser projection lamp body and control circuit board, human inductive transducer sets up on the laser projection lamp body, human inductive transducer and laser projection lamp body all with control circuit board electric connection.
Preferably, the laser projection lamp body includes laser lamp shell and light source spare, the light source spare sets up in the laser lamp shell, control circuit board sets up in the laser lamp shell, human response sensor sets up at laser lamp shell front end, the human response sensor outside is equipped with fresnel lens, the last control button that is provided with of control circuit board, this control button runs through laser lamp shell rear end.
Preferably, the human body induction sensor and the control circuit board are connected with the control circuit board through electric wires, the outer side of each electric wire is coated with a layer of software tube body, the electric wires between the human body induction sensor and the control circuit board and the software tube bodies are wound or bound on the laser projection lamp body, the front end of the human body induction sensor is provided with the Fresnel lens, the control circuit board is provided with a power supply wiring, the power supply wiring is electrically connected with the laser projection lamp body, and the outer side of the control circuit board is provided with a shell.
Preferably, the control circuit board is provided with a power interface, and the power interface is used for supplying power to the laser projection lamp body by an external power supply.
Compared with the prior art, the beneficial effects of the utility model are as follows:
by arranging the human body induction sensor, the laser projection lamp can detect whether a person is in the front area irradiated by the laser lamp when working, and can normally work if no person is in the detection area; if a person enters the detection range, the laser lamp is automatically turned off, and the person leaves the detection range and automatically restores to the previous state, so that the damage of the strong light to the eyes of the person is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a first embodiment: the utility model provides a laser projection lamp with human safe distance protection device of auto-induction, the laser projection lamp body includes laser lamp shell 1b and light source spare 1c, light source spare 1c sets up in laser lamp shell 1b, control circuit board 3b sets up in laser lamp shell 1b, human response sensor 2b sets up at laser lamp shell 1b front end, the human response sensor 2b outside is equipped with fresnel lens 5b, be provided with control button 3c on the control circuit board 3b, this control button 3c runs through laser lamp shell 1b rear end. The control button 3c on the control circuit board 3b is used for controlling the start or shutdown of the human body induction sensor 2b and the light source part 1c, people exist in the detection range of the human body induction sensor 2b, and the control circuit board 3b controls the light source part 1c to be automatically turned off. This embodiment equipment integration, the cost of manufacture is a little higher than embodiment one, and the space is compact, conveniently carry, and is difficult not hard up when human induction sensor 2b follows the laser projection lamp body.
Referring to fig. 2, the present invention provides a second embodiment: a laser projection lamp with a protection device for automatically sensing the safety distance of a human body is disclosed, a human body sensing sensor 1a is connected with a control circuit board 3a through an electric wire, the laser projection lamp body 2a is connected through a power supply wiring, the control circuit board 3a is used for controlling the start or shutdown of the human body sensing sensor 1a and the laser projection lamp body 2a, a person is in the detection range of the human body sensing sensor 1a, the control circuit board 3a controls the laser projection lamp body 2a to be automatically extinguished, a layer of software tube body 4 is wrapped outside the electric wire, the software tube body 4 has certain plasticity, the electric wire between the human body sensing sensor 1a and the control circuit board 3a and the software tube body 4 can be fixedly wrapped on the laser projection lamp body 2a, the human body sensing sensor 1a is prevented from loosening, a Fresnel lens 5a is arranged outside the human body sensing sensor 1a, and the Fresnel lens 5a can increase the sensing range of the human body sensing sensor 1a, the outer side of the control circuit board 3a is provided with a shell 6, the shell 6 is used for preventing the control circuit board 3a from contacting water and short-circuiting, and the control circuit board 3a can be assembled on the laser projection lamp body 2a and can be assembled with any laser projection lamp in the market. This embodiment is with lower costs, and arbitrary laser projection lamp on the optional market of laser projection lamp body 2a has increased application scope.
Referring to fig. 3, the present invention provides a third embodiment: in the embodiment, the fixing mode of the human body sensor 1a on the projection lamp body 2a is changed on the basis of the second embodiment, the human body sensor 1a is connected with the control circuit board 3a through an electric wire, the laser projection lamp body 2a is connected through a power supply wiring, the electric wire between the human body sensor 1a and the control circuit board 3a and the software tube body 4 are bound on the laser projection lamp body 2a through a binding band, the human body sensor 1a can be prevented from loosening, compared with the second embodiment, the fixing effect is better, but the installation process is more complex than that of the second embodiment.
Further, the control circuit board is provided with a power interface 7, and the power interface 7 is used for supplying power to the laser projection lamp body by an external power supply.
Furthermore, the human body proximity sensor is based on the Doppler technical principle, adopts a special microwave microprocessor and a planar induction antenna, has high detection sensitivity and wide detection range, works very reliably, generally has no false alarm, can stably work within the temperature range of-15 ℃ to +60 ℃, is incomparable with an alarm circuit consisting of infrared rays, ultrasonic waves and pyroelectric elements and a conventional microwave circuit, and is the best product for safety precaution and automatic monitoring at present.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a laser projection lamp with human safe distance protection device of auto-induction, includes human body induction sensor, laser projection lamp body and control circuit board, its characterized in that: the human body induction sensor is arranged on the laser projection lamp body, and the human body induction sensor and the laser projection lamp body are both electrically connected with the control circuit board.
2. The laser projection lamp with the automatic human body safety distance sensing protection device according to claim 1, characterized in that: the laser projection lamp comprises a laser projection lamp body and is characterized in that the laser projection lamp body comprises a laser projection lamp shell and a light source piece, the light source piece is arranged in the laser projection lamp shell, a control circuit board is arranged in the laser projection lamp shell, a human body induction sensor is arranged at the front end of the laser projection lamp shell, a Fresnel lens is arranged at the front end of the human body induction sensor, a control button is arranged on the control circuit board, and the control button penetrates through the rear end of the laser projection lamp shell.
3. The laser projection lamp with the automatic human body safety distance sensing protection device according to claim 1, characterized in that: the human body induction sensor is connected with the control circuit board through an electric wire, the outer side of the electric wire is coated with a layer of software tube body, the electric wire between the human body induction sensor and the control circuit board and the software tube body are wound or bound on the laser projection lamp body, the front end of the human body induction sensor is provided with a Fresnel lens, the control circuit board is provided with a power supply wiring, the power supply wiring is electrically connected with the laser projection lamp body, and the outer side of the control circuit board is provided with a shell.
4. The laser projection lamp with the automatic human body safety distance sensing protection device according to any one of claims 1 to 3, characterized in that: the control circuit board is provided with a power interface, and the power interface is used for supplying power to the laser projection lamp body by an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655346.0U CN214369624U (en) | 2021-03-31 | 2021-03-31 | Laser projection lamp with automatic human safe distance protection device of response |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655346.0U CN214369624U (en) | 2021-03-31 | 2021-03-31 | Laser projection lamp with automatic human safe distance protection device of response |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214369624U true CN214369624U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120655346.0U Active CN214369624U (en) | 2021-03-31 | 2021-03-31 | Laser projection lamp with automatic human safe distance protection device of response |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214369624U (en) |
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2021
- 2021-03-31 CN CN202120655346.0U patent/CN214369624U/en active Active
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