CN205079790U - A multi -functional sensor module for myopia prevention eye frame - Google Patents
A multi -functional sensor module for myopia prevention eye frame Download PDFInfo
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- CN205079790U CN205079790U CN201520695841.9U CN201520695841U CN205079790U CN 205079790 U CN205079790 U CN 205079790U CN 201520695841 U CN201520695841 U CN 201520695841U CN 205079790 U CN205079790 U CN 205079790U
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- myopia prevention
- sensor module
- prevention eye
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- Geophysics And Detection Of Objects (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses a multi -functional sensor module for myopia prevention eye frame, this module includes distance survey unit and environment light measuring unit, distance survey unit comprises infrared transmitting element and infrared receiving element. Infrared transmitting element is provided with and carries out the 3D form light beam that angle 25 was helped in light source focus the miniature optical lens that launches, and infrared receiving element's receipt angular domain sets up to full angle 25, and environment light measuring unit's receipt angular domain sets up to angle 90 entirely, has possessed the basic important document of wide angle detection. Integrated in the module have power saving dormancy functional circuit, can show reduction circuit consumption, and the preceding terminal surface of module still is equipped with transparent material's protective cover, and the stealthy pin and the FPC flexible circuit board at module back are connected. The utility model provides a three function key elements of infrared emission and receipt and environment optical detection of range finding, it is big to survey the visual angle, and application circuit is simple, and the precision is high, the stable performance, the structure is light and handy, is the core parts of being applied to in the myopia prevention eye frame.
Description
Technical field
The utility model relates to intelligent sensing technology field, is specifically related to a kind of Multifunction Sensor module for myopia prevention eye bracket.
Background technology
Distance measuring sensor in existing myopia prevention eye bracket, its detection technique is mostly by launching infrared light, then the power received through target reflecting light by receiver judges equivalent distances, this technology is easily because of the interference of surround lighting, the nonuniformity of the colourity of destination media, roughness, the condition such as reflective surface area and reflection angle causes the defect such as range measurement out of true and poor stability in actual use, numerous limitation affects its effective utilization greatly, and therefore this technical approach does not have much actual market using values in myopia prevention eye bracket.And adopt typically infrared or laser time of flight measuring technique, again due to the factor restriction such as complicacy of light reflection law and Photoelectric Signal Processing technology, particularly need the optics concave mirror support that relative complex is huge again, be therefore also difficult to practical in anti-myopia glasses.
Utility model content
In order to solve the defect that above-mentioned technology exists, the utility model provides a kind of Multifunction Sensor module for myopia prevention eye bracket.
The utility model realizes the technical scheme that above-mentioned technique effect adopts:
A kind of Multifunction Sensor module for myopia prevention eye bracket, described module comprises range cells and ambient light measurement unit, described range cells is made up of infrared emission component and infrared receiver component, described infrared emission component is provided with the micro-optical lens that light-resource fousing can be become full-shape 25 ° of 3D shape light beams to carry out launching, the reception angular domain of described infrared receiver component is set to full-shape 25 °, and the surround lighting of described ambient light measurement unit receives angular domain and is set to full-shape 90 °.
Above-mentioned a kind of Multifunction Sensor module for myopia prevention eye bracket, the front end face of described module is also provided with the protective cover of light-transmitting materials, and the back pin of described module is connected with FPC flexible PCB recessiveness.
Above-mentioned a kind of Multifunction Sensor module for myopia prevention eye bracket, the back pin of described module is connected with the front side conductive circuit holding electrical of described FPC flexible PCB, the back side of described FPC flexible PCB is provided with compression bonnet, is provided with flexible adjustment template between the corresponding back side of described compression bonnet and described FPC flexible PCB.
Above-mentioned a kind of Multifunction Sensor module for myopia prevention eye bracket, is provided with FPC stiffening plate between described flexible adjustment template and the corresponding back of described FPC flexible PCB.
Above-mentioned a kind of Multifunction Sensor module for myopia prevention eye bracket, the length and width size of described protective cover and the length and width consistent size of described module, described protective cover to the front end face being positioned at described module, and is placed in plastics locating rack that inner chamber size matches in the lump.
Above-mentioned a kind of Multifunction Sensor module for myopia prevention eye bracket, is integrated with power saving sleep mode circuit in described module.
Above-mentioned a kind of Multifunction Sensor module for myopia prevention eye bracket, described module connects peripheral hardware MCU by serial communication.
Above-mentioned a kind of Multifunction Sensor module for myopia prevention eye bracket, one end of described FPC flexible PCB is provided with sensor circuit terminating plug, and the other end is provided with powered battery electrode.
The beneficial effects of the utility model are: the utility model contains Emission and receiving of infrared, the surround lighting detection three zones key element of range finding, the micro-optical lens of infrared emission component can make light source launch with the 3D shape light beam of full-shape 25 °, the full-shape 25 ° arranged in conjunction with infrared receiver component receives angular domain, makes the detection visual angle of module reach degree of being practical.Small module and implicit type pin characteristic sum connect with FPC flexible PCB, significantly have compressed the physical dimension of sensor, sensor circuit terminating plug prepared by FPC flexible PCB two ends and powered battery electrode further simplify sensor construction and reduce volume, improve product electrical reliability.Highly integrated and microminiaturized paster encapsulation, achieves sensor function and maximizes, minimizing of structure.Application circuit of the present utility model is simple, and precision is high, and condition of work is loose, and stable performance, light structure is applied to the core parts in myopia prevention eye bracket.
Accompanying drawing explanation
Fig. 1 is the front end face schematic layout pattern of module described in the utility model;
Fig. 2 is that the planar wave of module described in the utility model quantizes schematic diagram;
Fig. 3 is the 3D optical states schematic diagram of module described in the utility model;
Fig. 4 is the front view of protective cover described in the utility model;
Fig. 5 be module described in the utility model and described FPC flexible PCB in conjunction with schematic diagram;
Fig. 6 is the partial schematic diagram that module described in the utility model is combined with described FPC flexible PCB;
Fig. 7 is frame principle figure of the present utility model.
In figure: 1-module, 2-protective cover, 3-ambient light measurement unit, 4-infrared emission component, 5-infrared receiver component, 6-FPC flexible PCB, 7-plastics locating rack, 8-FPC stiffening plate, 9-flexible adjustment template, 10-compress bonnet, 21-water white transparency unthreaded hole, 22-transparent coatings, 23-underlying coating layer, 61-sensor circuit terminating plug, 62-powered battery electrode.
Embodiment
For making to do further to understand to the utility model, referring to Figure of description and specific embodiment, the utility model is described in further detail:
As shown in Figures 1 to 7, a kind of Multifunction Sensor module for anti-myopia glasses, this module 1 comprises range cells and ambient light measurement unit 3, and range cells is made up of infrared emission component 4 and infrared receiver component 5.Infrared emission component 4 is provided with and light-resource fousing can be become the 3D shape light beam of full-shape 25 ° to carry out the micro-optical lens launched, and the reception angular domain of infrared receiver component 5 is set to full-shape 25 °, and the surround lighting of ambient light measurement unit 3 receives angular domain and is set to full-shape 90 °.The wavelength that infrared emission component 4 is launched is 850nm, and the brief principle of range finding is: with the light of D=C*t/2 flight physical relation, calculate distance D by synthetic impulse method.In formula: D=distance, the C=light velocity, t=light gets back to the time of initial point through reflectance target from initial point, the multiplying power of 2=distance.
Concrete, in preferred embodiment of the present utility model, the front end face of module 1 is also provided with the protective cover 2 of light-transmitting materials, and this protective cover 2 can be the protective cover of transparent glass material, also can be the protective cover of light-passing plastic material.The length and width size of protective cover 2 and the length and width consistent size of module 1, the back pin of module 1 is connected with FPC flexible PCB 6 recessiveness.The coated on bottom side of protective cover 2 is provided with the underlying coating layer 23 preventing transmitting illuminant to be refracted into infrared receiver component 5, solves because surround lighting and transmitting illuminant leak the measuring error disturbed and cause.The position that protective cover 2 is corresponding to infrared emission component 4 and ambient light measurement unit 3 is equipped with water white transparency unthreaded hole 21, and protective cover 2 is provided with the transparent coatings 22 passed through for 850nm ± 10% wavelength in the position corresponding to infrared receiver component 5.Because three optical function holes of the water white transparency unthreaded hole 21 in the utility model and transparent coatings 22 are very little
and module 1 is without pinpoint patch-type device, add the foozle of the part such as FPC flexible PCB 6 and protective cover 2, therefore module 1 and X, Y two-dimensional directional contraposition of protective cover 2, be difficult to realize exactitude position requirement with conventional method.In the utility model, the length and width size of protective cover 2 and the length and width consistent size of module 1, protective cover 2 is to the front end face being positioned at module 1 and be placed on plastics locating rack 7 together, and inner chamber size and the size of the two of plastics locating rack 7 match.So no matter module 1 how off normal, as long as FPC flexible PCB 6 is not interfered, protective cover 2 and module 1 can ensure accuracy contraposition all the time.
Concrete, in preferred embodiment of the present utility model, the back pin of module 1 is fixedly electrically connected with the front side conductive circuit of FPC flexible PCB 6, the compression bonnet 10 at the back side of FPC flexible PCB 6.Because the optical characteristics of module in the utility model 1 needs, between module 1 and protective cover 2, do not allow to there is longitudinal light slit, and by each part manufacturing process add up error caused by, be difficult to realize this requirement with conventional method.For addressing this problem, the utility model covers after compaction between 10 and the corresponding back of FPC flexible PCB 6 and is provided with flexible adjustment template 9.Compress correction actual pitch by the fastening pressure compressing bonnet 10, achieve module 1 and be stably in the state of being adjacent to protective cover 2, meet the two longitudinally without the requirement that light slit exists.For playing the resistance to mechanical intensity of reinforcing element and installing positioning action, between flexible adjustment template 9 and the corresponding back of FPC flexible PCB 6, be provided with FPC stiffening plate 8.For reducing unnecessary circuit power consumption, be integrated with power saving dormant circuit in module 1, when after startup park mode, the power consuming units in module 1 can enter dormant state, improves the continuous ability of battery.For convenience of data transmission and communication, module 1 is connected with peripheral hardware MCU by serial communication.One end of FPC flexible PCB 6 is provided with sensor circuit terminating plug 61, and the other end is provided with powered battery electrode 62, is beneficial to and simplifies structure and reduce piece volumes.
In sum, the utility model contains the infrared emission of range finding and infrared receiver and surround lighting and detects three zones key element, the micro-optical lens of infrared emission component makes light source launch with the 3D shape light beam of full-shape 25 °, the full-shape 25 ° arranged in conjunction with infrared receiver component receives angular domain, makes the detection visual angle of sensor reach more degree of being practical.Stealthy connecting mode between module and FPC flexible PCB, the huge compression physical dimension of sensor.Sensor circuit terminating plug prepared by FPC flexible PCB two ends and powered battery electrode further simplify sensor construction and reduce volume, improve product electrical reliability.Highly integrated and microminiaturized paster encapsulating structure, achieves sensor function and maximizes, minimizing of structure.Two water white transparency unthreaded holes on protective cover respectively with the window coordination of ambient light measurement unit and infrared emission unit, underlying coating layer can stop infrared emission light beam to be refracted in infrared receiver component, transparent coatings can stop the surround lighting outside wavelength 850nm ± 10% to be harassed, and solves because of the range error that transmitting illuminant leaks and ambient light interference causes.Application circuit of the present utility model is simple, and precision is high, and condition of work is loose, and stable performance, light structure is the core parts be applied in anti-myopia glasses.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and instructions; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications; these changes and improvements all fall in claimed scope of the present utility model, and the protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (8)
1. the Multifunction Sensor module for myopia prevention eye bracket, it is characterized in that, described module comprises range cells and ambient light measurement unit, described range cells is made up of infrared emission component and infrared receiver component, described infrared emission component is provided with and light-resource fousing can be become the 3D shape light beam of full-shape 25 ° to carry out the micro-optical lens launched, the reception angular domain of described infrared receiver component is set to full-shape 25 °, and the surround lighting of described ambient light measurement unit receives angular domain and is set to full-shape 90 °.
2. a kind of Multifunction Sensor module for myopia prevention eye bracket according to claim 1, it is characterized in that, the front end face of described module is also provided with the protective cover of light-transmitting materials, and the back pin of described module is connected with FPC flexible PCB recessiveness.
3. a kind of Multifunction Sensor module for myopia prevention eye bracket according to claim 2, it is characterized in that, the back pin of described module is fixedly electrically connected with the front side conductive circuit of described FPC flexible PCB, the back side of described FPC flexible PCB is provided with compression bonnet, is provided with flexible adjustment template between the corresponding back side of described compression bonnet and described FPC flexible PCB.
4. a kind of Multifunction Sensor module for myopia prevention eye bracket according to claim 3, is characterized in that, be provided with FPC stiffening plate between the corresponding back of described flexible adjustment template and described FPC flexible PCB.
5. a kind of Multifunction Sensor module for myopia prevention eye bracket according to claim 2, it is characterized in that, the length and width size of described protective cover and the length and width consistent size of described module, described protective cover is to the front end face being positioned at described module and be placed on the plastics locating rack that size matches in the lump.
6. a kind of Multifunction Sensor module for myopia prevention eye bracket according to claim 1, is characterized in that, be integrated with power saving sleep mode circuit in described module.
7. a kind of Multifunction Sensor module for myopia prevention eye bracket according to claim 1, is characterized in that, described module connects peripheral hardware MCU by serial communication.
8. a kind of Multifunction Sensor module for myopia prevention eye bracket according to claim 2, it is characterized in that, one end of described FPC flexible PCB is provided with sensor circuit terminating plug, and the other end is provided with powered battery electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695841.9U CN205079790U (en) | 2015-09-02 | 2015-09-02 | A multi -functional sensor module for myopia prevention eye frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695841.9U CN205079790U (en) | 2015-09-02 | 2015-09-02 | A multi -functional sensor module for myopia prevention eye frame |
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| Publication Number | Publication Date |
|---|---|
| CN205079790U true CN205079790U (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520695841.9U Expired - Fee Related CN205079790U (en) | 2015-09-02 | 2015-09-02 | A multi -functional sensor module for myopia prevention eye frame |
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| CN (1) | CN205079790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091948A (en) * | 2015-09-02 | 2015-11-25 | 徐艺斌 | Multifunctional sensor module for myopia prevention frame |
| CN106952465A (en) * | 2017-03-15 | 2017-07-14 | 上海承歌网络科技有限公司 | A kind of piano key displacement detector |
-
2015
- 2015-09-02 CN CN201520695841.9U patent/CN205079790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091948A (en) * | 2015-09-02 | 2015-11-25 | 徐艺斌 | Multifunctional sensor module for myopia prevention frame |
| CN106952465A (en) * | 2017-03-15 | 2017-07-14 | 上海承歌网络科技有限公司 | A kind of piano key displacement detector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20160902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |