CN206274127U - A kind of laser projection module - Google Patents
A kind of laser projection module Download PDFInfo
- Publication number
- CN206274127U CN206274127U CN201621424180.7U CN201621424180U CN206274127U CN 206274127 U CN206274127 U CN 206274127U CN 201621424180 U CN201621424180 U CN 201621424180U CN 206274127 U CN206274127 U CN 206274127U
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- laser projection
- projection module
- fin
- stiffening plate
- module
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Abstract
This application discloses a kind of laser projection module; including the lasing fluorescence support plate being arranged on fin; the upper surface of the lasing fluorescence support plate is provided with luminous zone; the peripheral part of the luminous zone has protective cover; the bottom surface of the fin is fixed with stiffening plate; the bottom surface of the stiffening plate is provided with wiring board; the front that stiffening plate is placed on wiring board is directly contacted with fin and is radiated; can be on the premise of module whole height not be increased; the integral heat sink performance of module is improved, and booster action is played to wiring board.The above-mentioned laser projection module that the application is provided, can effectively be radiated, it is to avoid the safety problem that temperature elevated band is come.
Description
Technical field
The utility model is related to optical instrument manufacturing technology field, more specifically to a kind of laser projection module.
Background technology
In the detection of the 3D depth of field and modeling field, it is necessary to use structure light module product, and laser projection module belongs to structure
One component of light module.It is that SUS stiffening plates are bonded in the FPC back side in general module design, it is soft to strengthen
The buckle resistance energy of property wiring board.
In normal work, laser base can assemble substantial amounts of heat to laser projection module, if temperature is higher, Jiu Huicheng
It is the potential safety hazard during use.For security consideration, it is necessary to radiated using the material being in contact with it, and existing skill
The scheme that FPC is Nian Jie with laser base for using in art, radiating efficiency is than relatively low.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of laser projection module, can effectively be radiated,
The safety problem for avoiding temperature elevated band from.
A kind of laser projection module that the utility model is provided, including it is arranged at the lasing fluorescence support plate on fin, institute
The upper surface for stating lasing fluorescence support plate is provided with luminous zone, and the peripheral part of the luminous zone has protective cover, the fin
Bottom surface is fixed with stiffening plate, and the bottom surface of the stiffening plate is provided with wiring board.
Preferably, in above-mentioned laser projection module, the stiffening plate is stainless steel plate or copper coin.
Preferably, in above-mentioned laser projection module, the thickness range of the stiffening plate is 0.1 millimeter to 0.25 millimeter.
Preferably, in above-mentioned laser projection module, entered using heat conductive silica gel between the stiffening plate and the fin
Row is fixed.
Preferably, in above-mentioned laser projection module, the fin is copper sheet.
Preferably, in above-mentioned laser projection module, the wiring board is FPC.
From above-mentioned technical proposal as can be seen that a kind of laser projection module provided by the utility model, due to including setting
The lasing fluorescence support plate being placed on fin, the upper surface of the lasing fluorescence support plate is provided with luminous zone, the luminous zone
The bottom surface that peripheral part has protective cover, the fin is fixed with stiffening plate, and the bottom surface of the stiffening plate is provided with wiring board, should
Design is that realization preferably radiating is directly contacted with fin using stiffening plate, therefore, it is possible to effectively be radiated, it is to avoid temperature
The safety problem that elevated band is come.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
The schematic diagram of the first laser projection module that Fig. 1 is provided for the embodiment of the present application.
Specific embodiment
Core concept of the present utility model is to provide a kind of laser projection module, can effectively be radiated, it is to avoid temperature
The safety problem that degree elevated band is come.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The first laser projection module that the embodiment of the present application is provided is as shown in figure 1, Fig. 1 is for the embodiment of the present application is provided
The schematic diagram of the first laser projection module.The laser projection module includes the lasing fluorescence support plate 2 being arranged on fin 1,
The upper surface of the lasing fluorescence support plate 2 is provided with luminous zone 3, and the peripheral part of the luminous zone 3 has protective cover 4, described to dissipate
The bottom surface of backing 1 is fixed with stiffening plate 5, and the bottom surface of the stiffening plate 5 is provided with wiring board 6.
In general, stiffening plate can be made up of stainless steel metal material, thickness between 0.1mm to 0.25mm, heat conduction
Coefficient is general in 16W/m.K or so, and relative to aluminium material, stainless steel substrates possess bend resistance intensity higher.In the program, will mend
The front that strong plate is placed on wiring board directly contacts with fin is radiated, and can not increase the premise of module whole height
Under, improve the integral heat sink performance of module.
From above-mentioned technical proposal as can be seen that above-mentioned the first laser projection module for being provided of the embodiment of the present application, by
In the lasing fluorescence support plate including being arranged on fin, the upper surface of the lasing fluorescence support plate is provided with luminous zone, described
The bottom surface that the peripheral part of luminous zone has protective cover, the fin is fixed with stiffening plate, and the bottom surface of the stiffening plate is provided with
Wiring board, the design is that realization preferably radiating is directly contacted with fin using stiffening plate, therefore, it is possible to effectively be radiated,
The safety problem for avoiding temperature elevated band from.
Second laser projection module that the embodiment of the present application is provided, is on the basis of above-mentioned the first laser projection module
On, also including following technical characteristic：
The stiffening plate is stainless steel plate or copper coin.
It should be noted that all there is enough intensity to support module for stainless steel plate and copper coin, and with fin phase
Contact, with the sufficiently high coefficient of heat conduction, can as early as possible shed the heat that laser hair is produced, it is ensured that the temperature of module is not
As for too high.
The third laser projection module that the embodiment of the present application is provided, is on the basis of above-mentioned the first laser projection module
On, also including following technical characteristic：
The thickness range of the stiffening plate is 0.1 millimeter to 0.25 millimeter.
It should be noted that the thickness of this stiffening plate had better not be less than 0.1 millimeter, because to ensure that it has enough
Support strength, and 0.25 millimeter is not higher than preferably yet, because cost of manufacture can not be improved into excessive, and blocked up benefit
Strong plate radiating effect is also not necessarily more preferable.
The 4th kind of laser projection module that the embodiment of the present application is provided, is on the basis of above-mentioned the first laser projection module
On, also including following technical characteristic：
It is fixed using heat conductive silica gel between the stiffening plate and the fin.
It should be noted that if being fixed using heat conductive silica gel, itself has heat conduction function, would not be to module
Radiating causes to hinder, and can in time distribute heat, it is ensured that the normal work of module.
The 5th kind of laser projection module that the embodiment of the present application is provided, be it is above-mentioned the first to the 4th kind of laser projection mould
On the basis of group, also including following technical characteristic：
The fin is copper sheet.
It should be noted that the fin is preferably copper sheet, because the thermal conductivity factor of copper is 377W/mK, can be quick
By laser module produce heat transmission is to stiffening plate and is dispersed into external environment, it is ensured that the temperature of module be unlikely to rise
It is too fast, it is ensured that its trouble free service.
The 6th kind of laser projection module that the embodiment of the present application is provided, is on the basis of above-mentioned 5th kind of laser projection module
On, also including following technical characteristic：
The wiring board is FPC.
It should be noted that the FPC is main by CU (Copper foil) (E.D. or R.A. Copper Foils), A
(Adhesive) electricity that (acrylic and epoxy resin hot-setting adhesive) and PI (Kapton, Polyimide) (polyimide film) are constituted
Road plate, with height flexibility, can three-dimensional wiring, change shape according to space limitation, it is foldable without influence signal transmission effect,
Reliability is high.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (6)
1. a kind of laser projection module, including be arranged at the lasing fluorescence support plate on fin, the lasing fluorescence support plate it is upper
Surface is provided with luminous zone, and the peripheral part of the luminous zone has protective cover, it is characterised in that the bottom surface of the fin is fixed
The bottom surface for having stiffening plate, the stiffening plate is provided with wiring board.
2. laser projection module according to claim 1, it is characterised in that the stiffening plate is stainless steel plate or copper coin.
3. laser projection module according to claim 1, it is characterised in that the thickness range of the stiffening plate is 0.1 milli
Rice is to 0.25 millimeter.
4. laser projection module according to claim 1, it is characterised in that profit between the stiffening plate and the fin
It is fixed with heat conductive silica gel.
5. the laser projection module according to claim any one of 1-4, it is characterised in that the fin is copper sheet.
6. laser projection module according to claim 5, it is characterised in that the wiring board is FPC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424180.7U CN206274127U (en) | 2016-12-22 | 2016-12-22 | A kind of laser projection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424180.7U CN206274127U (en) | 2016-12-22 | 2016-12-22 | A kind of laser projection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206274127U true CN206274127U (en) | 2017-06-23 |
Family
ID=59062575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621424180.7U Active CN206274127U (en) | 2016-12-22 | 2016-12-22 | A kind of laser projection module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206274127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415209A (en) * | 2018-04-03 | 2018-08-17 | Oppo广东移动通信有限公司 | Project structured light module, camera assembly and electronic device |
| CN108490572A (en) * | 2018-03-12 | 2018-09-04 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
-
2016
- 2016-12-22 CN CN201621424180.7U patent/CN206274127U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490572A (en) * | 2018-03-12 | 2018-09-04 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108415209A (en) * | 2018-04-03 | 2018-08-17 | Oppo广东移动通信有限公司 | Project structured light module, camera assembly and electronic device |
| CN108415209B (en) * | 2018-04-03 | 2020-09-25 | Oppo广东移动通信有限公司 | Structured light projection module, camera shooting assembly and electronic device |
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