CN211502622U - Safe laser lamp - Google Patents
Safe laser lamp Download PDFInfo
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- CN211502622U CN211502622U CN201922146989.8U CN201922146989U CN211502622U CN 211502622 U CN211502622 U CN 211502622U CN 201922146989 U CN201922146989 U CN 201922146989U CN 211502622 U CN211502622 U CN 211502622U
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Abstract
The utility model relates to an automobile headlamp technology, in particular to a safe laser lamp which can detect whether a laser light source has blue light leakage in real time, and can avoid the damage to human eyes and ensure the light safety once detecting the abnormal lighting caused by the damage or failure of fluorescent powder, and comprises the laser light source, a light source driving module, a light source radiator, an MCU control module, a housing, a photoelectric sensor, a weak transmitting reflector and a projection lens, wherein the laser light source and the light source driving module are both arranged on the light source radiator, the housing is also arranged on the light source radiator, the light source radiator is also provided with the weak transmitting reflector, the projection lens is arranged on the light source radiator through a lens bracket, the housing and the projection lens are respectively positioned at the two sides of the weak transmitting reflector, the photoelectric sensor is arranged at the top of the housing, and the MCU control module is also arranged on the light source radiator, the photoelectric sensor driving module is arranged on the light source radiator and is electrically connected with the photoelectric sensor.
Description
Technical Field
The utility model relates to an automotive headlamps technique specifically is a safe laser lamps and lanterns.
Background
In recent years, with the increasing maturity of laser manufacturing technology, laser light sources are increasingly applied to the field of automobile lamps. Compared with an LED light source, the laser light source is small in light emitting size and high in central brightness, the size of a lamp can be reduced when the LED light source is applied to a headlamp, the illumination distance is increased, the danger degree is relatively increased, especially, a fluorescent powder layer on the light emitting surface of the light source falls off or is damaged, more blue light is directly irradiated to the front, the light energy of the short wavelength is high, irreparable damage is easily caused to human eyes, and the safety of laser illumination is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safe laser lamp utensil in order to overcome the defect that above-mentioned prior art exists, can have the blue light to reveal to laser light source and carry out real-time detection, in case detect because of the phosphor powder damages or inefficacy the illumination anomaly that arouses, avoid causing the injury to people's eyes, guarantee to use up light safety.
For solving the technical problem, the utility model discloses the technical scheme who adopts does: a safe laser lamp comprises a laser light source, a light source driving module, a light source radiator, an MCU control module, a housing, a photoelectric sensor, a weak transmitting reflector and a projection lens, the laser light source and the light source driving module are both arranged on the light source radiator, the housing is also arranged on the light source radiator, the light source radiator is also provided with a weak-transmission reflector, the projection lens is arranged on the light source radiator through a lens bracket, the cover shell and the projection lens are respectively positioned at two sides of the weak transparent reflector, the photoelectric sensor is arranged at the top of the cover shell, the MCU control module is also arranged on the light source radiator, the photoelectric sensor driving module is arranged on the light source radiator, the photoelectric sensor driving module is electrically connected with the photoelectric sensor, and the MCU control module is respectively electrically connected with the photoelectric sensor driving module and the laser light source.
Preferably, the weak mirror is made of a transparent plastic material.
Preferably, an aluminum plating layer is further provided on the weak transmission reflector.
Preferably, the weak transparent reflector has a transmittance of 0.1% to 5%.
Preferably, the plurality of photosensors is a photosensor array.
Preferably, the laser light source and the light source driving module are respectively screwed with the light source radiator.
Preferably, a heat dissipation silicone layer is arranged between the laser light source and the light source heat sink.
Preferably, the weak transmission reflector is a half transmission and half reflection reflector.
The utility model discloses the beneficial effect who reaches: the utility model discloses a safe laser lamps and lanterns can real-time supervision laser blue light reveal the state, can in time close laser source or carry out other safety processing when detecting that laser takes place the blue light and reveal, realize real-time safety inspection, avoid laser to reveal and cause the injury to the people's eye.
Drawings
Fig. 1 is a schematic structural view of the safe laser lamp of the present invention.
Description of the drawings: the device comprises a laser light source 1, a light source radiator 2, a weak transmission reflector 3, an aluminum plated layer 31, a projection lens 4, a housing 5, a left chamber 51, a right chamber 52, a photoelectric sensor 6, a light source driving module 7, a photoelectric sensor driving module 8 and an MCU control module 9.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A safe laser lamp comprises a laser light source 1, a light source driving module 7, a light source radiator 2, an MCU control module 9, a cover 5, a photoelectric sensor 6, a weak transparent reflector 3 and a projection lens 4, wherein the laser light source 1 and the light source driving module 7 are both arranged on the light source radiator 2, the cover 5 is also arranged on the light source radiator 2, the light source radiator 2 is also provided with the weak transparent reflector 3, the projection lens 4 is arranged on the light source radiator 2 through a lens bracket, the cover 5 and the projection lens 4 are respectively positioned at two sides of the weak transparent reflector 3, the photoelectric sensor 6 is arranged at the top of the cover 5, the MCU control module 9 is also arranged on the light source radiator 2, the photoelectric sensor driving module 8 is electrically connected with the photoelectric sensor 6, the MCU control module 9 is respectively and electrically connected with the photoelectric sensor driving module 8 and the laser light source 1; the weak transmission reflector 3 is made of transparent plastic materials; an aluminum coating layer 31 is also arranged on the weak transmission reflector 3; the transmittance of the weak transmission reflector 3 is 0.1% -5%; the photoelectric sensors 6 are multiple and form a photoelectric sensor array; the laser light source 1 and the light source driving module 7 are respectively in threaded connection with the light source radiator 2; and a heat dissipation silicone grease layer is arranged between the laser light source 1 and the light source radiator 2.
Fig. 1 shows the utility model discloses an embodiment of laser lamp device's structural schematic diagram, photoelectric sensor 6 receives optical information to change into the signal of telecommunication, light source drive module 7 is used for the drive to light laser light source 1, photoelectric sensor drive module 8 is used for driving photoelectric sensor 6 work, MCU control module 9 can receive photoelectric sensor 6's feedback value to set for a normal value scope, when feedback value surpassed this scope, judge that laser light source 1 exists the blue light and reveal. The laser light source 1 is arranged on the upper part of the light source radiator 2, the light source driving module 7 is also arranged on the light source radiator 2 and is positioned beside the laser light source 1 and is electrically connected with the laser light source 1, the weak-transmission reflector 3 is arranged on the light source radiator 2, the light of the laser light source 1 can pass through the weak-transmission reflector 3, the photoelectric sensor 6 and the photoelectric sensor driving module 8 are both arranged on the cover 5 positioned above the weak reflecting mirror 3, the weak reflecting mirror 3 is connected with the casing 5 and encloses a closed space to form a left chamber 51 and a right chamber 52, the photoelectric sensor 6 is electrically connected with the photoelectric sensor driving module 8, the MCU control module 9 is arranged on the laser light source radiator 2 and is positioned beside the weak transmitting reflector 3, the MCU control module 9 is respectively and electrically connected with the photoelectric sensor driving module 8 and the laser light source driving module 7; the weak transmission reflector 3 is made of transparent plastic materials; the aluminum coating layer arranged on the weak transmission reflector 3 can divide a beam of light into two beams, part of the light passes through the weak transmission reflector 3, and the other part of the light is reflected to the projection lens 4 and projected to a far place to achieve the purpose of illumination; the projection lens 4 is clamped with the two brackets of the weak transparent reflector 3, and the transmissivity of the weak transparent reflector 3 is 0.1-5%; the photoelectric sensors 6 are multiple and form a photoelectric sensor array, the photoelectric sensors are uniformly arranged behind the weak-transmission reflecting mirror 3, and according to output values of the photoelectric sensors, whether the abnormal state of the laser light source is caused by fluorescent powder breakage or light attenuation along with use time can be distinguished.
In specific implementation, the laser light source 1 and the light source driving module 7 are electrically connected and are connected with the laser light source radiator 2 in a screw locking mode, heat dissipation silicone grease is coated between the laser light source 1 and the light source radiator 2, the weak transparent reflector 3 is also plated with aluminum on the surface of one side close to the laser light source, the transmittance is about 1%, the transmitted light energy can be ensured within the range of the photoelectric sensor 6, the photoelectric sensor 6 is arranged on the other side of the weak transparent reflector 3, namely the housing 5, and the connection mode is screw locking.
The light source driver 7 is a constant current driving device, drives the laser light source 1 to light up, projects light rays to irradiate the weak transparent reflector 3, and is divided into two light rays by the weak transparent reflector 3, one reflected light ray irradiates the projection lens 4 to achieve the illumination effect, the other light ray irradiates the photoelectric sensor 6 on the housing 5 after penetrating the weak transparent reflector 3, the photoelectric sensor 6 has two or more than two, is attached to different positions at the back side of the housing 5 to obtain a plurality of feedback voltage values, and is transmitted to the MCU control module 9 to be compared with the respective normal voltage threshold value ranges, and compares the respective voltage value variation trends, if the feedback voltage values are in the normal range, the laser light source 1 is indicated to normally work, if the voltage values are not in the normal range, the feedback voltage variation trends and the amplitudes of the sensors are also irregular, the laser light source 1 is indicated to have blue light leakage, the MCU control module 9 controls the on-off of the laser light source, and the photoelectric sensor driving module 8 is driven by the photoelectric sensor 6 to work.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A safe laser lamp, characterized in that: the device comprises a laser light source (1), a light source driving module (7), a light source radiator (2), an MCU control module (9), a cover shell (5), a photoelectric sensor (6), a weak transparent reflector (3) and a projection lens (4), wherein the laser light source (1) and the light source driving module (7) are both arranged on the light source radiator (2), the cover shell (5) is also arranged on the light source radiator (2), the light source radiator (2) is also provided with the weak transparent reflector (3), the projection lens (4) is arranged on the light source radiator (2) through a lens support, the cover shell (5) and the projection lens (4) are respectively positioned at two sides of the weak transparent reflector (3), the photoelectric sensor (6) is arranged at the top of the cover shell (5), the MCU control module (9) is also arranged on the light source radiator (2), and the photoelectric sensor driving module (8) is arranged on the light source radiator (2), the photoelectric sensor driving module (8) is electrically connected with the photoelectric sensor (6), and the MCU control module (9) is electrically connected with the photoelectric sensor driving module (8) and the laser light source (1) respectively.
2. The safe laser lamp of claim 1, wherein: the weak transparent reflector (3) is made of transparent plastic materials.
3. The safe laser lamp of claim 1, wherein: an aluminum plating layer (31) is further arranged on the weak transmission reflector (3).
4. The safe laser lamp of claim 1, wherein: the transmittance of the weak transmission reflector (3) is 0.1% -5%.
5. The safe laser lamp of claim 1, wherein: the photoelectric sensors (6) are multiple and form a photoelectric sensor array.
6. The safe laser lamp of claim 1, wherein: the laser light source (1) and the light source driving module (7) are respectively in threaded connection with the light source radiator (2).
7. The safe laser lamp of claim 1, wherein: and a heat dissipation silicone layer is arranged between the laser light source (1) and the light source radiator (2).
8. The safe laser lamp of claim 1, wherein: the weak transmitting reflector (3) is a semi-transmitting semi-reflecting mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922146989.8U CN211502622U (en) | 2019-12-04 | 2019-12-04 | Safe laser lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922146989.8U CN211502622U (en) | 2019-12-04 | 2019-12-04 | Safe laser lamp |
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| Publication Number | Publication Date |
|---|---|
| CN211502622U true CN211502622U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922146989.8U Active CN211502622U (en) | 2019-12-04 | 2019-12-04 | Safe laser lamp |
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| CN (1) | CN211502622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494699A (en) * | 2020-04-03 | 2021-10-12 | 常州星宇车灯股份有限公司 | Safe laser lamp |
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2019
- 2019-12-04 CN CN201922146989.8U patent/CN211502622U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494699A (en) * | 2020-04-03 | 2021-10-12 | 常州星宇车灯股份有限公司 | Safe laser lamp |
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