CN206974665U - LASER Light Source safety monitoring module and laser light-source device - Google Patents
LASER Light Source safety monitoring module and laser light-source device Download PDFInfo
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- CN206974665U CN206974665U CN201720902064.XU CN201720902064U CN206974665U CN 206974665 U CN206974665 U CN 206974665U CN 201720902064 U CN201720902064 U CN 201720902064U CN 206974665 U CN206974665 U CN 206974665U
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Abstract
The utility model provides a kind of LASER Light Source safety monitoring module and laser light-source device, LASER Light Source safety monitoring module of the present utility model includes the sampling unit on the beam path of LASER Light Source, it makes the specimen beam of reflection focus in detection unit to form the reflection to laser light source unit divided beams；Also include being used for the detection unit for accepting the specimen beam that sampling unit reflection focuses on, it may be in response to the Intensity threshold of specific wavelength light in specimen beam and acts, to send detection signal.LASER Light Source safety monitoring module described in the utility model, the part light source of LASER Light Source can be reflexed to by detection unit by the setting of sampling unit, and detection unit then may be in response to the Intensity threshold of specific wavelength light and act, detection sensitivity is high, false alarm rate is low, is monitored available for the emergent ray to LASER Light Source.
Description
Technical field
Automobile lamp technical field is the utility model is related to, more particularly to a kind of LASER Light Source safety monitoring module.Meanwhile
The utility model further relates to a kind of laser light-source device for being equiped with the LASER Light Source safety monitoring module.
Background technology
LASER Light Source relies on the brightness of superelevation, smaller light-emitting area, and higher luminous efficiency, turns into than current
Xenon lamp or the farther headlight for vehicles light source module of high-power LED illuminating lamp irradiation distance, it is researched and developed and application is for auto lamp
The further development of tool plays the role of huge.
As a new generation headlight for vehicles light source, white laser light source because it can fully demonstrate technology sense and stylishness,
Progressively it is studied and applies.At present, some high-end vehicles manufacturers are using white laser light source as auxiliary distance light
Light source carries out volume production, and some light fixture manufacturers are also in actively research.
Laser, can be wide variety of on condition that evading danger of the laser to human eye as a kind of light source for having injury to human eye
Evil, still, at present for the application of automobile lighting white laser light source, there is no full ripe safety monitoring control technology.
Utility model content
In view of this, the utility model is directed to a kind of LASER Light Source safety monitoring module, can be achieved to swash white
The monitoring of radiant.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of LASER Light Source safety monitoring module, it includes：
Sampling unit, on the beam path of LASER Light Source, to form the reflection to the laser light source unit divided beams,
And the specimen beam of reflection is set to focus in detection unit；
Detection unit, the specimen beam focused on for accepting the sampling unit reflection, and may be in response to the sampled light
The Intensity threshold of specific wavelength light in beam and act, to send detection signal.
Further, the sampling unit is parabola focusing mirror.
Further, the parabola focusing mirror is transparent.
Further, the detection unit is to include photodiode.
Relative to prior art, the utility model has the advantage that：
(1) LASER Light Source safety monitoring module described in the utility model, can be by laser light by the setting of sampling unit
The part light source in source reflexes to detection unit, and detection unit then may be in response to the Intensity threshold of specific wavelength light and act,
Simple in construction, detection sensitivity is high, and false alarm rate is low, is monitored available for the emergent ray to LASER Light Source, has preferable
Using effect.
(2) sampling unit is set to parabola focusing mirror, and its is simple in construction, can be by the portion for the diverging that LASER Light Source is sent
Light splitter is reflected, and focuses to detection unit position, is easy to the reflection and focusing of specimen beam.
(3) parabola focusing mirror is transparent that it can make white laser inside transparent parabola focusing mirror
It is totally reflected, and the light of specific wavelength is only reflexed into detection unit position.
(4) detection unit uses photodiode, and it may be in response to the optical signal of different wave length and sends different telecommunications
Number, consequently facilitating realizing the monitoring and control to LASER Light Source emergent ray.
Another object of the present utility model is to propose a kind of laser light-source device, to realize to its inner laser light source die
The monitoring of block emergent ray.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of laser light-source device, including white laser light source module, it is connected with the white laser light source module
Drive module, the optical module of matching somebody with somebody on the white laser light source module beam exit path is set, and it is described white for carrying
Color laser light source module, the drive module and it is described with optical module and can carry out the installation module of heat loss through conduction, include filling
LASER Light Source safety monitoring module as described above in the installation module.
Further, the wavelength of the specific wavelength light is 450nm.
Further, active heat removal mechanism is installed in the installation module.
Further, the active heat removal mechanism is fan；It is described to include with optical module along the white laser light source die
The speculum and light-distribution lens that the beam exit direction of block is sequentially arranged；The white laser light source module is fixed by heat sink
In in the installation module.
Further, the drive module is pcb board, and the detection unit is integrated on the pcb board, in the installation
The passage passed through in module formed with the specimen beam focused on for sampling unit reflection；It is also integrated with the pcb board
The temperature detecting module detected to the temperature of the white laser light source module.
Further, the temperature detecting module is the thermistor being arranged on the pcb board.
Relative to prior art, the utility model has the advantage that：
(1) laser light-source device described in the utility model, can be achieved to its inner white laser light source module emergent light
The monitoring of line, so as to when white laser light source module sends harmful light, detection signal is sent effectively to avoid pair
Human body damages, easy to use.
(2) light of specific wavelength is 450nm, and it is the wavelength of blue laser, and blue laser is harmful
Light source, so as to effectively evade harm of the laser to people.
(3) active heat removal mechanism is set, can further improve the radiating efficiency of installation module, is swashed so as to which white be effectively ensured
Radiant module works within the scope of suitable temperature, extends the service life of white laser light source module.
(4) active heat removal mechanism is fan, includes speculum and light-distribution lens with optical module, it is generally conventional knot
Structure, cost are relatively low；The structure that white laser light source module is fixed in installation module by heat sink, electro-heat equipment and radiating fill
Putting both, directly to contact radiating effect preferable, can effectively ensure that white laser light source module in being worked in suitable temperature ranges.
(5) drive module is pcb board, is easy to the integrated arrangement of detection unit, is set in installation module and facilitates sampled light
The passage that beam passes through, is easy to integral arrangement；Set what the temperature of white laser light source module was detected on pcb board
Temperature detecting module, the operating temperature of white laser light source module can be detected, to ensure the work of its normal reliable.
(6) temperature detecting module is set to thermistor, and temperature signal can be converted into electric signal by it, be easy to be integrated in PCB
On plate, use is more universal, and cost is relatively low.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the LASER Light Source safety monitoring module described in the utility model embodiment one；
Fig. 2 is the structural representation of the unassembled fan of laser light-source device described in the utility model embodiment two；
Fig. 3 is the structural representation of the installation module described in the utility model embodiment two；
Fig. 4 is the structural representation at Fig. 3 another visual angle；
Fig. 5 is the structural representation of the lens carrier described in the utility model embodiment two；
Fig. 6 is the structural representation at this Fig. 5 another visual angle；
Fig. 7 is the structural representation of the speculum described in the utility model embodiment two；
Fig. 8 is the structural representation of the light-distribution lens described in the utility model embodiment two；
Fig. 9 is the structural representation of the pcb board described in the utility model embodiment two；
Figure 10 is the structural representation of the heat sink described in the utility model embodiment two；
Description of reference numerals：
1- LASER Light Sources, 2- sampling units, 3- detection units, 4- installation modules, the installation through-holes of 401- first, 402- the
One light via, the mounting holes of 403- first, the locating dowels of 404- first, the positioning holes of 405- first, the mounting holes of 406- second, 407-
3rd mounting hole, the locating dowels of 408- second, 5- lens carriers, the mounting holes of 501- the 4th, the locating dowels of 502- the 3rd, 503- the 5th
Mounting hole, 504- the second light vias, the installation through-holes of 505- second, 6- speculums, 601- mounting blocks, 6011- the 6th are installed
Hole, the mounting holes of 6012- the 7th, 602- reflex blocks, 7- light-distribution lens, 8-PCB plates, the positioning holes of 801- second, the bolts of 802- first
Hole, the mounting holes of 803- the 8th, 9- heat sinks, the mounting holes of 901- the 9th.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one
The present embodiment is related to a kind of LASER Light Source safety monitoring module, mainly includes sampling unit and detection unit, wherein：
Sampling unit is located on the beam path of LASER Light Source, can form the reflection to laser light source unit divided beams, and makes reflection
Specimen beam in detection unit in focusing on；Detection unit is used to accept the specimen beam that sampling unit reflection focuses on, and can respond
The Intensity threshold of specific wavelength light in specimen beam and act, to send detection signal.
LASER Light Source safety monitoring module described in the utility model, can be by LASER Light Source by the setting of sampling unit
Part light source reflexes to detection unit, and detection unit then may be in response to the Intensity threshold of specific wavelength light and act, structure
Simply, detection sensitivity is high, and false alarm rate is low, is monitored available for the emergent ray to LASER Light Source, has and preferably uses
Effect.
Based on above design philosophy, a kind of structural representation such as Fig. 1 institutes of LASER Light Source safety monitoring module of this implementation
Show, wherein, LASER Light Source 1 is used to send laser beam, and foregoing sampling unit 2 is set to parabola focusing mirror, its structure
Simply, and some light of diverging that can send LASER Light Source 1 is reflected, and focuses to the position of detection unit 3, is easy to adopt
The reflection and focusing of sample light beam.
Specifically, the cross-sectional structure approximate right angle triangle of parabola focusing mirror, right angle trigonometry hypotenuse combination structure
Into the reflecting surface of parabola focusing mirror, also, parabola focusing mirror is made up of transparent material, and it can make white laser
Focus to inside speculum and be totally reflected in transparent parabola, and the light of specific wavelength is only reflexed into detection unit 3
Put.
LASER Light Source 1 can be the light source for sending white laser in the present embodiment, and the wavelength of specific wavelength light herein
For 450nm, 450nm its be blue laser wavelength, and blue laser be harmful light source, so as to using sharp to blueness
The detection of light, it can effectively evade harm of the laser to people.Certainly, except that also can be other colors for white light source, LASER Light Source 1
Light source, and the wavelength of foregoing specific wavelength light also may be set to other numerical value, can be realized to different colours light with this
Detection, and can be used in different purposes.Except LASER Light Source 1, certain sampling unit 2 is same to be alternatively in the prior art
Others can reflex to the emergent ray of LASER Light Source 1 structure of the position of detection unit 3.
For the ease of realizing monitoring and control to the emergent ray of LASER Light Source 1, the main body of detection unit 3 in the present embodiment
Upper to use photodiode, photodiode is connected with corresponding external circuit, has specific wavelength laser light in LASER Light Source 1
When line is emitted, photodiode receives the optical signal of the outgoing of LASER Light Source 1, can send signal to external circuit, external circuit
The signal then sent according to photodiode, the circuit of the break-make of cutting-off controlling LASER Light Source 1, so as to prevent shoot laser to surrounding
Object damages.Here, detection unit 3, except that can use photodiode, it can also be that other can be accepted in the prior art
Sampling unit 2 reflection focus on specimen beam and may be in response to the Intensity threshold of specific wavelength light in specimen beam and act,
To send the other structures of detection signal.
Embodiment two
The present embodiment is related to a kind of laser light-source device, and it includes white laser light source module, with white laser light source die
The drive module that block is connected, it is arranged on white laser light source module beam exit path and matches somebody with somebody optical module, and for holding
Carry white laser light source module, drive module and with optical module and the installation module of heat loss through conduction can be carried out, in addition to be installed in
Install module on such as the LASER Light Source safety monitoring module of embodiment one.
The laser light-source device of the present embodiment, the laser of the specific wavelength detected in its LASER Light Source safety monitoring module
The wavelength of light may be set to 450nm, and 450nm is the wavelength of harmful blue laser, and laser light is set so as to utilize
Source safety monitoring module, the monitoring of the blue laser light to the outgoing of its inner white laser light source module can be achieved, so that
When white laser light source module sends harmful blue ray, detection signal can be sent to close LASER Light Source, with
Effectively avoid damaging human body.
A kind of example arrangement of laser light-source device of the present embodiment is as shown in Fig. 2 installation module 4 is white to install
Color laser light source module, drive module and the carrier with optical module, white laser light source module and with optical module located at installation mould
The side of block 4, and drive module is then located at the opposite side of installation module 4.
The concrete structure of module 4 is installed as shown in Figure 3 and Figure 4, formed with the first installation through-hole 401 in installation module 4,
It is to install white laser light source module, and with the passage passed through for sampling light, passage is specially penetrating setting
First light via 402, the passage for facilitating specimen beam to pass through is set in installation module 4, and integral arrangement is conveniently.This
Outside, it is also formed with installing the first mounting hole 403 and the first locating dowel 404 of following heat sinks 9 in installation module 4,
To install the second mounting hole 406 of following active heat removal mechanisms, and relative to the first mounting hole 403, positioned at installation mould
The opposite side of block 4 is installing the 3rd mounting hole 407 of following drive modules and the second locating dowel 408.
With optical module and installation module 4 between be additionally provided be easy to optical module installation lens carrier 5, lens carrier 5
Structure as shown in Figure 5 and Figure 6, formed with the 4th mounting hole to be sheathed in the first locating dowel 404 on lens carrier 5
501, for the 3rd locating dowel 502 being inserted in the first positioning hole 405, for bolt by and with the position of the first mounting hole 403
Corresponding 5th mounting hole 503, the second light via 504 passed through for sampling light, and it is easy to white laser light source module
Second installation through-hole 505 of installation, white laser light source module are installed on the first installation through-hole through the second installation through-hole 505
In 401.In addition, being also equipped with the sampling unit 2 of embodiment one in lens carrier 5, installation site can be referring now still to shown in Fig. 2.
The foregoing He of speculum 6 matched somebody with somebody optical module and include being sequentially arranged along the beam exit direction of white laser light source module
Light-distribution lens 7, wherein, the structure of speculum 6 is as shown in fig. 7, it includes mounting blocks 601 and is integrally formed with mounting blocks 601
Reflex block 602, mounting blocks 601 claim tabular, formed with for being sheathed in the first locating dowel 404 on mounting blocks 601
Six mounting holes 6011, and pass through for bolt, position and 403 corresponding 7th mounting hole 6012 of the first mounting hole；Reflex block
6012 into parabolic shape, the light beam the white laser received light source module to be sent is sent after being reflected to matching somebody with somebody
The position of optical lens 7.The structure of light-distribution lens 7 is as shown in figure 8, it is installed on a side end face of lens carrier 5, for by anti-
The light for penetrating the reflection of mirror 6 is sent after.
In order to further improve the radiating efficiency of installation module 4, active heat removal mechanism is installed in installation module 4, from
And can effectively ensure that white laser light source module works within the scope of suitable temperature, extend the use of white laser light source module
Life-span, active heat removal mechanism are specially the fan not shown in figure, can also be other radiator structures of the prior art certainly.
Relative to white laser light source module, drive module is in the opposite side for installing module 4, the present embodiment, driving
Module is specially pcb board 8, and its structure on pcb board 8 as shown in figure 9, be also formed with being sheathed in the second locating dowel 408
Two positioning holes 801, it is easy to bolt to pass through and position and 407 corresponding first bolt hole 802 of the 3rd mounting hole, is easy to white to swash
8th mounting hole 803 of radiant module installation.
In addition, the temperature detection mould detected to the temperature of white laser light source module is also integrated with pcb board 8
Block.Temperature detecting module is specially the thermistor being arranged on pcb board 8, and temperature signal can be converted into electric signal by it, also just
In being integrated on pcb board 8, use is more universal, and cost is relatively low.
In said structure, drive module is pcb board 8, is easy to the integrated cloth of the drive circuit of detection unit 3 and embodiment one
Put, the temperature detecting module detected to the temperature of white laser light source module is set on pcb board 8, can be to white laser
The operating temperature of light source module is detected, to ensure the work of its normal reliable.
Heat sink 9 is additionally provided between installation module 4 between pcb board 8, the structure of heat sink 9 is as shown in Figure 10, dissipates
On hot plate 9 except formed with corresponding to the second positioning hole 801, the first bolt hole 802, the 8th mounting hole 803 through hole in addition to, also shape
Into the 9th mounting hole 901 for having to install photodiode.
In above structure, active heat removal mechanism is fan, includes speculum 6 and light-distribution lens 7 with optical module, it is general
It is relatively low all over conventional structure, cost；The structure that white laser light source module is fixed in installation module 4 by heat sink 9, heating
It is preferable that both device and heat abstractor directly contact radiating effect, can effectively ensure that white laser light source module in suitable temperature model
Enclose interior work.Also, the shell outside this laser light-source device not shown in also settable figure, on shell, in light-distribution lens 7
Light extraction route on transparent shield is set, so as to effectively protect light-distribution lens 7.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (10)
- A kind of 1. LASER Light Source safety monitoring module, it is characterised in that including：Sampling unit (2), on the beam path of LASER Light Source (1), to be formed to the LASER Light Source (1) segment beam Reflection, and the specimen beam of reflection is focused in detection unit (3)；Detection unit (3), the specimen beam focused on for accepting the sampling unit (2) reflection, and may be in response to the sampling The Intensity threshold of specific wavelength light in light beam and act, to send detection signal.
- 2. LASER Light Source safety monitoring module according to claim 1, it is characterised in that：The sampling unit (2) is throwing Object plane focusing mirror.
- 3. LASER Light Source safety monitoring module according to claim 2, it is characterised in that：The parabola focusing mirror To be transparent.
- 4. LASER Light Source safety monitoring module according to any one of claim 1 to 3, it is characterised in that：The detection Unit (3) includes photodiode.
- 5. a kind of laser light-source device, including white laser light source module, the drive being connected with the white laser light source module Dynamic model block, the optical module of matching somebody with somebody being arranged on the white laser light source module beam exit path, and it is described white for carrying Color laser light source module, the drive module and it is described with optical module and can carry out the installation module (4) of heat loss through conduction, it is special Sign is：Also include the peace of the LASER Light Source as any one of Claims 1-4 being installed on the installation module (4) Full monitoring modular.
- 6. laser light-source device according to claim 5, it is characterised in that：The wavelength of the specific wavelength light is 450nm。
- 7. laser light-source device according to claim 5, it is characterised in that：Master is installed on the installation module (4) Dynamic cooling mechanism.
- 8. laser light-source device according to claim 7, it is characterised in that：The active heat removal mechanism is fan；It is described The speculum (6) and light-distribution lens for including being sequentially arranged along the beam exit direction of the white laser light source module with optical module (7)；The white laser light source module is fixed on the installation module (4) by heat sink (9).
- 9. the laser light-source device according to any one of claim 5 to 8, it is characterised in that：The drive module is PCB Plate (8), the detection unit (3) are integrated on the pcb board (8), are installed in described in module (4) formed with for the sampling The passage that the specimen beam that unit (2) reflection focuses on passes through；It is also integrated with the pcb board (8) to the white laser light The temperature detecting module that the temperature of source module is detected.
- 10. laser light-source device according to claim 9, it is characterised in that：The temperature detecting module is is arranged on State the thermistor on pcb board (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902064.XU CN206974665U (en) | 2017-07-24 | 2017-07-24 | LASER Light Source safety monitoring module and laser light-source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902064.XU CN206974665U (en) | 2017-07-24 | 2017-07-24 | LASER Light Source safety monitoring module and laser light-source device |
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| Publication Number | Publication Date |
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| CN206974665U true CN206974665U (en) | 2018-02-06 |
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| CN201720902064.XU Active CN206974665U (en) | 2017-07-24 | 2017-07-24 | LASER Light Source safety monitoring module and laser light-source device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101328A (en) * | 2020-01-10 | 2020-05-05 | 深圳一目科技有限公司 | Spectrum sensor monitoring device and method and intelligent laundry method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101328A (en) * | 2020-01-10 | 2020-05-05 | 深圳一目科技有限公司 | Spectrum sensor monitoring device and method and intelligent laundry method |
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Effective date of registration: 20181220 Address after: 071000 Chaoyang North Street (Xu), Xushui District, Baoding, Hebei, 299 Patentee after: Mande Electronic Appliance Co., Ltd. Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000 Patentee before: Changcheng Automobile Co., Ltd. |