CN109870866A - Light source safe device - Google Patents
Light source safe device Download PDFInfo
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- CN109870866A CN109870866A CN201910303867.7A CN201910303867A CN109870866A CN 109870866 A CN109870866 A CN 109870866A CN 201910303867 A CN201910303867 A CN 201910303867A CN 109870866 A CN109870866 A CN 109870866A
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- light source
- metallic
- pedestal
- safe device
- circuit board
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Abstract
The present invention provides a kind of light source safe device, it is that symmetrical two metallic elastic component is equipped in pedestal, circuit board is set to the bottom of pedestal, and one end of two metallic elastic components is fixedly welded on circuit board, other end part is exposed to outside the top of pedestal, and light source component is set between two metallic elastic components.Mounting base is set on pedestal, a metallic(return) circuit element is equipped in mounting base, it contradicts two metallic elastic components being exposed to outside the top of pedestal to form conducting circuit, one optical diffraction element is set in mounting base, optical diffraction element is connect to form signal with metallic(return) circuit element using dispensing, whether have breaking problem and immediately close light source, to improve the safety of light source if can detect.
Description
Technical field
System of the present invention refers to that one kind can be existing because displacement generates open circuit according to optical diffraction element in relation to a kind of light source safe device
As and close the light source safe device of light source immediately.
Background technique
With the development of science and technology more and more electronic products have multi-functional, miniaturization, high-precision design.At us
In life, photography, camera function are for electronic device (e.g. camera system, handheld apparatus, medical treatment investigation device)
It has been indispensable function, wherein the good quality of image and image effect in order to obtain, these above-mentioned electronic product meetings
Installing, there is the photographic device of multiple camera units to provide extensive camera function.For example, taking the photograph in conjunction with different characteristics
As unit, and different calculation function of arranging in pairs or groups, the photographic device with different function just can be formed, such as photographic device can be provided
The acquisition of 3-dimensional image is carried out, and can operate with the purposes such as solid modelling, action identifying.
The light source design of continuous just existing depth camera, through carrying infrared illuminators, infrared camera camera lens and
16000000 picture element RGB camera camera lenses, mobile phone are capable of the actual range of sensing device and object in camera lens.Wherein, light source design
Technical principle be infrared illuminators transmitting light source, keep optical path parallel through diameter lenses surely, later again pass through a diffraction
Optical element (DOE) makes to obtain hot spot after light source diffraction, beat by hot spot on the surface of object, by another infrared camera
The position for shooting hot spot, is calculating depth information via algorithm.Due to the relationship of external environment, light source selects infrared light
(940nm) is first choice, and infrared light is the light that human eye can not be discovered, therefore is directly beaten when light does not pass through diffraction in human body
It, can be harmful to human body when upper.
For the safety switch design of existing depth camera, in addition to circuit board does the connection of an elargol under DOE
Except, there are also the LDS (technology) for doing route using material itself, whether purpose is all detecting DOE element still on script position,
If NO, safety device will close light source, avoid injury human body.Only, the production of light source safe device at present exists tired
Difficult point, as shown in Figure 1, the side that safety device includes circuit board assemblies 10 is equipped with a plurality of first electric connecting terminals 102, circuit board
10 over-assemble of component, one light source assembly 12, finally in the upper optical diffraction component package 14 of installing, optics on light source assembly 12
The side of diffraction component package 14 is equipped with a plurality of second electric connecting terminals 142, and these second electric connecting terminals 142 correspond to these
The position of first electric connecting terminal 102 is respectively corresponded using the two-terminal 162 of a signal connector 16 and is located at these second electrical connections
End 142 with these first electric connecting terminals 102 on, recycle elargol by two-terminal 162 respectively with these second electric connecting terminals 142,
These first electric connecting terminals 102 carry out a glue connection, to form galvanic circle, it is therefore intended that detecting optical diffraction component package
Whether 14 still on script position, and if NO, safety device will close the light source of light source assembly 12, avoids being emitted
Infrared ray directly injures the risk of human body without x-ray diffraction.Wherein, not only upper and lower right when installing signal connector 16
The position of these quasi- second electric connecting terminals 142, these the first electric connecting terminals 102, it is necessary to accurately dispensing, for side dispensing
Operation is substantially to have degree of difficulty, the either angle problem of manufacturing process or dispensing position, all operator is needed to have height
Concentration and precision are spent, otherwise be easy to cause dispensing to make mistakes and leads to the problem of yield difference.Therefore, safety device how is allowed
More simply and readily dispensing operation is a problem to be solved for structure design.
In view of this, the present invention is directed to the missing of above-mentioned prior art then, a kind of light source safe device is proposed, with effective gram
The problems such as taking this above-mentioned.
Summary of the invention
The main purpose of the present invention is providing a kind of light source safe device, is connected using the direct signal of metallic elastic component
To solve the degree of difficulty of side point glue operation, and achievable dispensing operation is imitated while the installation of optical diffraction element with improving production
Rate and precision.
The secondary objective of the present invention is providing a kind of light source safe device, and overall structure is more simple and is easy to make,
And the element of signal connection is designed in pedestal, it can more promote the stability of signal connection, great industry applications.
For up to above purpose, the present invention provides a kind of light source safe device, including a circuit board, a light source component, one
Pedestal, an optical diffraction element and a mounting base.Light source component is electrically connected circuit board, is equipped with symmetrical two metal in pedestal
Elastic element, circuit board are set to the bottom of pedestal, and one end of two metallic elastic components is connected to circuit board, other end partial denudation
In outside the top of pedestal, light source component is set between two metallic elastic components；Mounting base is set on pedestal, and one is equipped in mounting base
Metallic(return) circuit element contradicts two metallic elastic components being exposed to outside the top of pedestal to form conducting circuit, optical diffraction
Element is set in mounting base, and connect optical diffraction element to form signal with metallic(return) circuit element using dispensing.
Wherein, pedestal is equipped with two through-holes and one first accommodation groove, and circuit board system is installed in base bottom, two metallic elastics member
One end system of part connects circuit board, and the other end is worn outside through-hole to Chuck top, and light source component system is installed in the first accommodation groove.
Wherein, mounting base is equipped with one second accommodation groove and a mounting portion, and installation position is in the top of the second accommodation groove, installation
Portion, the second accommodation groove are connected with the first accommodation groove system, and the second accommodation groove system is installed with a camera lens, can be collimation camera lens, optics
Diffraction element system is set in mounting portion.
Wherein, mounting portion is more extended with a plurality of glue application regions, in such a way that elargol injects dispensing in these glue application regions, makes light
It learns diffraction element and is connect with metallic(return) circuit element through elargol with forming signal.
Wherein, one end system of two metallic elastic components is fixedly welded on circuit board, and light source component can more shine for laser
The potted element (TO can) of diode is to be fixedly welded on circuit board, and be electrically connected with circuit board.
Wherein, two metallic elastic component systems are metal probe or Telescopic metal spring thimble.
Wherein, circuit board system control light source component running, when optical diffraction element and metallic(return) circuit element do not generate signal
When connection or metallic(return) circuit element and when the not formed conducting circuit of two metallic elastic components, then light source component is closed, uses and mentions
The safety of high light source safety switch.
Wherein, the surface of optical diffraction element has a transparent conductive film, can through plating mode by electrically conducting transparent
Film is formed on the surface of optical diffraction element.
The above is only capable of to illustrate the problem of present invention is to be solved, technical means to solve problem and its generate
The effect of etc., the detail of the present invention will be discussed in detail in embodiment and relevant drawings below.
Detailed description of the invention
Fig. 1 is the stereogram exploded view of the safety device of prior art.
Fig. 2 is the three-dimensional structure diagram of the light source safe device of the present invention.
Fig. 3 is the stereogram exploded view of Fig. 2.
Fig. 4 is structure sectional view of the Fig. 2 along A-A ' section.
Fig. 5 is another three-dimensional structure diagram of the light source safe device of the present invention.
Appended drawing reference:
10 circuit board assemblies
102 first electric connecting terminals
12 light source assemblies
14 optical diffraction component packages
142 second electric connecting terminals
16 signal connectors
162 terminals
20 circuit boards
22 light source components
24 pedestals
242 through-holes
244 first accommodation grooves
26 optical diffraction elements
262 transparent conductive films
28 mounting bases
282 second accommodation grooves
284 mounting portions
286 glue application regions
30 metallic elastic components
32 metallic(return) circuit elements
34 camera lenses
36 elargol
38 infrared ray mould groups
382 infrared ray camera lenses
384 floodlight sensing elements
386 drive circuit boards
388 signal connectors
Specific embodiment
The present invention is urgently thinking improve innovation, and after being taken great pains to attain one's goal concentrate on studies for many years, develops a kind of light source and pacifies
Full device, the degree of difficulty being able to solve on side point glue processing procedure.A plurality of embodiments that the present invention will be disclosed with attached drawing below are
For the sake of clearly stating, the details in many practices be will be explained in the following description.It should be appreciated, however, that in these practices
Details do not apply to limit the present invention, that is to say, that in embodiments of the present invention, some known usual structures and member
Part will be painted it in a manner of simply illustrating in the accompanying drawings.
With 2019, researches show that infrared sensing application market new trends out, reached for mobile phone sensing, light, optical sensing
Deng, numerous infrared ray products application sustainable developments, infinite commercial opportunities are brought for infrared ray industry.The application of certain infrared ray imports deep
The technology for spending camera or projection arrangement is also quite to have competitiveness in commercial market, in order to improve depth camera or
The product fines such as projection arrangement prevent infrared ray from must improve to the injury of human body, but opposite light source safe device
Manufacturing cost and producing efficiency also by test, for this purpose, the present invention develop a kind of light source safe device of novel designs with
Overcome current technology bottleneck.It is three-dimensional structure diagram and stereogram exploded view of the invention please refer to Fig. 2 and Fig. 3, here,
Whole each thin portion element and assembling mode are first described in detail, hereby to understand overall construction design of the invention.Light source safe device packet
Include a circuit board 20, a light source component 22, pedestal 24, an optical diffraction element (Diffractive Optics Element,
DOE) 26 and a mounting base 28.Light source component 22 is electrically connected circuit board 20, is equipped with symmetrical two metallic elastic in pedestal 24
Element 30, circuit board 20 are set to the bottom of pedestal 24, and one end of two metallic elastic components 30 is connected to circuit board 20, the other end
Divide and be exposed to outside the top of pedestal 24, light source component 22 is set between two metallic elastic components 30.
Wherein, one end system of two metallic elastic components 30 is fixedly welded on circuit board 20, two metallic elastic components, 30 system
It is metal probe or Telescopic metal spring thimble, for metal probe (pogo pin), by needle shaft, spring, needle tubing three
The basic element of character passes through the spring probe formed after the precompressed of precision instrument riveting, is accurate spring knot inside metal probe
Structure, surface is generally all gold-plated, can preferably improve its corrosion proof function, mechanical performance, electric property etc., want to technique
When asking, spring also wants gold-plated thimble to realize energization or conducting, and most of to be contacted below with copper wall by oblique, spring undertakes few
Amount, therefore it is required that copper sheathing inner wall smooth, since most of electric current will be all connected by spring, the requirement to spring is very high.
Since pogopin is a very fine probe, thus apply the weight that connector can be reduced in precision connector and
The volume of appearance can allow connector more fine beautiful.In addition, adjustable spring thimble can be the gold-plated flexible electric current needle of full copper,
The present invention is used using the plurality of advantages of metallic elastic component 30 and characteristic as the element of signal connection.Wherein, light source member
22 system of part is infrared ray laser diode mould group (To can), is welded on circuit board 20, there is the necessary electricity such as driving IC thereon
Subcomponent, and light source component 22 is arranged between two metallic elastic components 30.Since the luminous efficiency of laser diode is especially good,
And light signal can select specific ㄉ wavelength to generate feedback under work belt, allow single wavelength to generate altogether to control laser resonant cavity
Vibration, reaches non-dispersive effect, have light and short, shatter-proof, little power consumption, reaction it is fast, it is resistance to collide, the service life is long, high-efficient, directionality
Many characteristics such as good and output power is high, are suitble to be made for over long distances and need micro- projection of high brightness, therefore the present invention is using red
Outside line laser diode mould group is used as light source.
It connects, pedestal 24 is further provided with two through-holes 242 and one first accommodation groove 244, when one end of two metallic elastic components 30
It has all been welded and fixed and has been connected on connection circuit board 20 and after light source component 22 is welded on circuit board 20, respectively by two
The other end correspondence of metallic elastic component 30 is arranged in outside two through-holes 242 to 24 top of pedestal, makes two metallic elastic component of part
30 are exposed to outer, and the aperture of two through-holes 242 is slightly larger than the diameter width of two metallic elastic components 30, therefore, can easily group
It fills and is not influenced by external force and cause shift phenomenon.Meanwhile the correspondence of light source component 22 is installed in the first accommodation groove 244, first
The shape system of accommodation groove 244 matches with light source component 22, can consolidate assembling and fix.
It then, is structure sectional view of the Fig. 2 along A-A ' section please refer to Fig. 4, mounting base 28 is set to pedestal 24
On, it is equipped with a metallic(return) circuit element 32 in mounting base 28, contradicts two metallic elastic components being exposed to outside the top of pedestal 24
30 to form conducting circuit.Wherein, mounting base 28 is further provided with one second accommodation groove 282 and a mounting portion 284, and mounting portion 284
In the top of the second accommodation groove 282, mounting portion 284, the second accommodation groove 282 are connected with 244 system of the first accommodation groove.Second accommodating
282 system of slot is installed with a camera lens 34, is the injection light source position of corresponding light source element 22.Wherein, camera lens 34 can be collimation camera lens, function
It can be that the advance of assist ray reaches almost parallel straight degree, lead to light energy losses to avoid the diverging of light propagation,
Collimating effect is risen to light beam.26 system of optical diffraction element is set in mounting portion 284, and mounting portion 284 is more extended with a plurality of dispensings
Area 286, the metallic(return) circuit element 32 of exposed part in glue application region 286.The surface of optical diffraction element 26 has an electrically conducting transparent
(transparent conductive film 262 can be formed in optical diffraction through the mode of plating to film by (Indium Tin Oxide, ITO) 262
On the surface of element 26.Optical diffraction element 26 is based on light wave diffraction theory, and the table of diffraction element is calculated according to known conditions
Face structure enables this optical diffraction element 26 to change the Wave-front phase that laser light passes through, and generates expected wavefront distribution；
Therefore the present invention is arranged in pairs or groups with optical diffraction element 26, the laser of IR wavelength completes any optical image table to be reached
Existing mode.Finally, injecting dispensing mode in these glue application regions 286 using elargol 36, keep the surface of optical diffraction element 26 saturating
Bright conductive film 262 is connect with metallic(return) circuit element 32 through elargol 36 with forming signal, that is, forms loop.
After understanding the novel structure design of aforementioned present invention, in practical application, 20 system of circuit board controls light source component
22 running, when optical diffraction element 26 do not generated when signal is connect with metallic(return) circuit element 32 or metallic(return) circuit element 32 and
When two 30 not formed conducting circuits of metallic elastic component, then close light source component 22, avoid emitted laser infrared ray without
X-ray diffraction and the risk for directly injuring human body, to improve the safety of light source.Again as shown in figure 5, the light source safe of the present invention fills
Another three-dimensional structure diagram set is further provided with an infrared ray mould group 38 on pedestal 24, and it includes an infrared ray camera lens (IR Camera)
382, floodlight sensing element (Flood Illuminator) 384 and one drive circuit plate 386, infrared ray camera lens 382 and floodlight
Sensing element is electrically connected on drive circuit board 386, and is driven and operated by drive circuit board 386, and drive circuit board 386 can be
Soft-hard composite board (Rigid-Flex board).386 system of drive circuit board is connected to 24 bottom of pedestal through a signal connector 388
On the circuit board 20 in portion, to be electrically connected, drive circuit board 386 according to circuit board 20 control light source component 22 opening and closing and
Corresponding running.Light source component 22, which projects laser light source, keeps optical path parallel through collimation lens, then by optical diffraction element 26 around
It penetrates after beating on the surface of object and obtains spot pattern (Pattern), quilt is received by the infrared ray camera lens of infrared ray mould group 38
The spot pattern on body surface is projected, since the spot pattern in space any two is all different, with locating object
Space is to be equipped with pass, therefore calculate depth information via algorithm, can obtain the three-dimensional information in space.Wherein, floodlight sense
Answering element 384 is erroneous judgement caused when avoiding under excessive lightness or darkness environment using infrared ray camera lens acquisition spot pattern.
In conclusion the present invention solves the degree of difficulty of side point glue operation using the direct signal connection of metallic elastic component,
It is embedded in mounting base in the metallic(return) circuit element of signal connection simultaneously, then optical diffraction element is installed on shape in mounting base
At signal circuit, this design not only allows signal more stable, and does not have to be afraid of that the risk for falling off and generating open circuit exists.If generating
When signal is not connected with, then light source is closed in real time, can ensure that emitted laser infrared ray will not directly injure people without x-ray diffraction
Body allows light source safe device to have safety in utilization.In addition, the present invention is in directly designing glue application region in mounting base, for behaviour
It can more accurately and be quickly finished when making personnel's progress dispensing operation, producing efficiency and precision can be effectively improved.Further
For, overall construction design of the invention is more simplified and is easy to make, and whether assembling or dispensing operation can be quick
It completes, great market competition advantage.
Only as described above, is only a preferred embodiment of the present invention, and is not used to limit the range of implementation of the invention.
Therefore it is i.e. all according to feature described in the present patent application range and spiritual equivalent change or modification for it, it should be included in the present invention's
In claim.
Claims (10)
1. a kind of light source safe device characterized by comprising
One circuit board；
One light source component is electrically connected the circuit board；
One pedestal, interior to be equipped with symmetrical two metallic elastic component, which is set to the bottom of the pedestal, two metallic elastic member
One end of part is connected to the circuit board, and other end part is exposed to outside the top of the pedestal, which is set to two metal
Between elastic element；
One optical diffraction element；And
One mounting base is set on the pedestal, and a metallic(return) circuit element is equipped in the mounting base, contradicts the top for being exposed to the pedestal
To form conducting circuit, which is set in the mounting base two metallic elastic component outside end, and utilizes dispensing
It connect the optical diffraction element to form signal with the metallic(return) circuit element.
2. light source safe device as described in claim 1, wherein the pedestal is equipped with two through-holes and one first accommodation groove, the circuit
Plate system is installed in the base bottom, and one end system of two metallic elastic component connects the circuit board, and the other end wears the through-hole extremely
Outside the Chuck top, which is installed in first accommodation groove.
It, should 3. light source safe device as claimed in claim 2, wherein the mounting base is equipped with one second accommodation groove and a mounting portion
Installation position is connected in the top of second accommodation groove, the mounting portion, the second accommodation groove with the first accommodation groove system, this second
Accommodation groove system is installed with a camera lens, which is set in the mounting portion.
4. light source safe device as claimed in claim 3, wherein the camera lens system is collimation camera lens.
5. light source safe device as claimed in claim 3, wherein the mounting portion is more extended with a plurality of glue application regions, utilizes elargol
Dispensing mode is injected in those glue application regions, makes the optical diffraction element and the metallic(return) circuit element through elargol to form signal company
It connects.
6. light source safe device as described in claim 1, wherein one end system of two metallic elastic component is fixedly welded on this
On circuit board.
7. light source safe device as described in claim 1, wherein the two metallic elastic components system is metal probe.
8. light source safe device as described in claim 1, wherein the two metallic elastic components system is Telescopic metal spring thimble.
9. light source safe device as described in claim 1, wherein the circuit board system controls light source component running, when the optics
Diffraction element does not generate when signal is connect with the metallic(return) circuit element or the metallic(return) circuit element and two metallic elastic component
When not formed conducting circuit, then the light source component is closed.
10. light source safe device as described in claim 1, wherein the surface of the optical diffraction element has an electrically conducting transparent
Film.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303867.7A CN109870866B (en) | 2019-04-16 | 2019-04-16 | Light source safety device |
| TW108113799A TWI703867B (en) | 2019-04-16 | 2019-04-19 | Safety device for the light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303867.7A CN109870866B (en) | 2019-04-16 | 2019-04-16 | Light source safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109870866A true CN109870866A (en) | 2019-06-11 |
| CN109870866B CN109870866B (en) | 2021-08-06 |
Family
ID=66922705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910303867.7A Active CN109870866B (en) | 2019-04-16 | 2019-04-16 | Light source safety device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109870866B (en) |
| TW (1) | TWI703867B (en) |
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| US20060051033A1 (en) * | 2004-09-06 | 2006-03-09 | Mitsubishi Denki Kabushiki Kaisha | Optical transmitter and receiver module |
| CN108196418A (en) * | 2018-02-27 | 2018-06-22 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108388067A (en) * | 2018-02-27 | 2018-08-10 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108924295A (en) * | 2018-06-27 | 2018-11-30 | Oppo广东移动通信有限公司 | Photoelectricity mould group, depth camera and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM251413U (en) * | 2003-11-07 | 2004-11-21 | Hon Hai Prec Ind Co Ltd | Image pickup sensor and digital still camera module using the sensor |
| TWI521744B (en) * | 2013-10-30 | 2016-02-11 | 光寶電子（廣州）有限公司 | Light-emitting structure |
| CN107277305B (en) * | 2016-04-01 | 2020-10-09 | 台湾东电化股份有限公司 | Camera module and control method thereof |
| US10840396B2 (en) * | 2016-04-15 | 2020-11-17 | Ams Sensors Singapore Pte. Ltd. | Optoelectronic modules with alignment spacers and methods for assembling the same |
| CN108333856B (en) * | 2017-01-19 | 2023-07-07 | 奥比中光科技集团股份有限公司 | Optical projection device and depth camera using same |
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2019
- 2019-04-16 CN CN201910303867.7A patent/CN109870866B/en active Active
- 2019-04-19 TW TW108113799A patent/TWI703867B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060051033A1 (en) * | 2004-09-06 | 2006-03-09 | Mitsubishi Denki Kabushiki Kaisha | Optical transmitter and receiver module |
| CN108196418A (en) * | 2018-02-27 | 2018-06-22 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108388067A (en) * | 2018-02-27 | 2018-08-10 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108924295A (en) * | 2018-06-27 | 2018-11-30 | Oppo广东移动通信有限公司 | Photoelectricity mould group, depth camera and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI703867B (en) | 2020-09-01 |
| CN109870866B (en) | 2021-08-06 |
| TW202040996A (en) | 2020-11-01 |
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