CN202815279U - Lens module and optical transmitter-receiver device - Google Patents
Lens module and optical transmitter-receiver device Download PDFInfo
- Publication number
- CN202815279U CN202815279U CN 201220449885 CN201220449885U CN202815279U CN 202815279 U CN202815279 U CN 202815279U CN 201220449885 CN201220449885 CN 201220449885 CN 201220449885 U CN201220449885 U CN 201220449885U CN 202815279 U CN202815279 U CN 202815279U
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- main body
- hole
- lens module
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Abstract
The utility model discloses a lens module and an optical transmitter-receiver device. The lens module is used to transmit light between optical guiding elements and photoelectric elements. The lens module comprises a main body and two lenses. The photoelectric elements are disposed in the main body. The main body comprises a top surface and a bottom surface disposed on an upper side and a lower side, and two side surfaces respectively connecting the top surface and the bottom surface and disposed on opposite sides. A part of the bottom surface close to one of the side surfaces is sunk to the top surface to form an inward contracting portion. A light guide portion is formed on the top surface corresponding to positions of the photoelectric elements and the optical guiding elements and is used to transmit light. At least a first via which passes through the bottom surface and is disposed corresponding to a position of the inward contracting portion. Aperture of the first via close to the top surface is larger than the aperture of the first via close to the bottom surface. The lens module also comprises two lenses used to converge light, and one of the lenses is disposed on the main body and is disposed between the light guide portion and the photoelectric elements, and the other lens is disposed on the main body and is disposed between the light guide portion and the optical guiding elements. The optical transmitter-receiver device cooperates with an optical guiding element and transmits and receives light. The optical transmitter-receiver device comprises a substrate, a photoelectric element, a lens module and positioning glue.
Description
Technical field
The utility model relates to a kind of lens module and light R-T unit, particularly relates to a kind of lens module and the light R-T unit with this lens module.
Background technology
General light R-T unit such as United States Patent (USP) certificate number US7371014 patent comprise a substrate, several are arranged at photovalve and a lens module that is arranged at the corresponding described photovalve of substrate position of substrate.Be provided with the lens of the described photovalve of a plurality of correspondences in the lens module, with transmission ray between described photovalve (such as light emitting diode) and a plurality of light-guide device (such as optical fiber).But mostly the lens module of above-mentioned light R-T unit is to be attached to substrate by the colloid of coating its bottom surface, and in long-time use, high temperature, high humidity or the situation of being shaken, the deficiency of colloid tackness causes easily lens module from the substrate perk or comes off.
Summary of the invention
The purpose of this utility model is to provide a kind of lens module better with substrate set degree.
The utility model lens module, transmission ray between a light-guide device and photovalve comprises a main body and two lens.
This main body is held this photovalve in interior, and comprises an end face and bottom surface that is positioned at upper and lower sides, and connects respectively this end face and this bottom surface and be positioned at two sides of opposition side.Place, a contiguous wherein side, this bottom surface partly forms one toward this end face depression and inside contracts section.This end face form a pair of should photovalve and this light-guide device position with the light guide section of conducting light, and at least one is through to this bottom surface and to inside contracting the first through hole of section position.The aperture at contiguous this end face place of this first through hole is greater than the aperture at contiguous this place, bottom surface of this first through hole.
Described lens are in order to converging light, and one of them lens is located at this main body and between this light guide section and this photovalve, and another lens are located at this main body and between this light guide section and this light-guide device.
Preferably, this first through hole has a large aperture section and small-bore section that is connected, this large aperture section is recessed to form toward this bottom surface by the end face of this main body, and this small-bore section is communicated with this large aperture section and inside contracts section to this, and the aperture of this large aperture section is greater than the aperture of this small-bore section.
Preferably, this main body forms two the first through holes separately, and this main body also is recessed to form a groove that is communicated with described the first through hole by this end face.
Further, this main body also forms one and is communicated to the second through hole that this inside contracts section by this groove.
Another purpose of the present utility model is to provide a kind of light R-T unit that uses aforementioned lens module.
The utility model light R-T unit cooperates a light-guide device and receives and dispatches light, comprises a substrate, a photovalve, a lens module and a locating glue.
This photovalve is arranged at this substrate.This lens module is transmission ray between this light-guide device and this photovalve, comprises a main body and two lens.This main body is arranged at this substrate and holds this photovalve in interior, and has an end face and bottom surface that is positioned at upper and lower sides, and connects respectively this end face and this bottom surface and be positioned at two sides of opposition side.Place, a contiguous wherein side, this bottom surface partly forms one toward this end face depression and inside contracts section.This end face form a pair of should photovalve and this light-guide device position with the light guide section of conducting light, and at least one is through to this bottom surface and to inside contracting the first through hole of section position.The aperture at contiguous this end face place of this first through hole is greater than the aperture at contiguous this place, bottom surface of this first through hole.Described lens are in order to converging light, and one of them lens is located at this main body and between this light guide section and this photovalve, and another lens are located at this main body and between this light guide section and this light-guide device.This locating glue is the perfusion colloid in this first through hole and fills colloid and inside contract between section and this substrate and form in this.
Preferably, this first through hole has a large aperture section and small-bore section that is connected, this large aperture section is recessed to form toward this bottom surface by the end face of this main body, and this small-bore section is communicated with this large aperture section and inside contracts section to this, and the aperture of this large aperture section is greater than the aperture of this small-bore section.
Preferably, this main body forms two the first through holes separately, and this main body also is recessed to form a groove that is communicated with described the first through hole by this end face, and this locating glue also is filled in this groove.
Preferably, this main body also forms one and is communicated to the second through hole that this inside contracts section by this groove, and this locating glue also is filled in this second through hole.
The beneficial effects of the utility model are: when lens module is attached to substrate, locating glue is positioned at the main body of the part restriction lens module of the first through hole, the second through hole and groove can't carry out level or vertical direction moves with respect to substrate, and promotes the set degree of lens module on substrate.
Description of drawings
Fig. 1 is a three-dimensional combination figure, and the first preferred embodiment of the utility model light R-T unit is described;
Fig. 2 is the three-dimensional exploded view of this light R-T unit;
Fig. 3 is a synoptic diagram, illustrates that this light R-T unit is as the enforcement aspect of optical transmitting set;
Fig. 4 is a stereographic map, and the enforcement aspect of a lens module is described;
Fig. 5 is the bottom surface stereo view of this lens module;
Fig. 6 is the partial cross-sectional perspective view of this lens module;
Fig. 7 is a synoptic diagram, illustrates that this light R-T unit is as the enforcement aspect of optical receiver;
Fig. 8 is a stereographic map, and a lens module of the second preferred embodiment of the utility model light R-T unit is described;
Fig. 9 is the bottom surface stereo view of the lens module of this second preferred embodiment;
Figure 10 is the partial cross-sectional perspective view of the lens module of this second preferred embodiment;
Figure 11 is a stereographic map, and a lens module of the 3rd preferred embodiment of the utility model light R-T unit is described;
Figure 12 is the bottom surface stereo view of the lens module of the 3rd preferred embodiment;
Figure 13 is the partial cross-sectional perspective view of the lens module of the 3rd preferred embodiment; And
Figure 14 is a stereographic map, and the enforcement aspect of the locating glue of the 3rd preferred embodiment is described.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Consulting Fig. 1, Fig. 2 and Fig. 3 is the first preferred embodiment of the utility model light R-T unit 1, and below explanation light R-T unit 1 is as the enforcement aspect of optical transmitting set.
Light R-T unit 1 cooperates a plurality of light-guide devices 2 and transmitting-receiving light, comprises photovalve 4, a chip 5, a lens module 6 and two locating glues 7 of a substrate 3, the corresponding light-guide device 2 of a plurality of quantity.Herein, substrate 3 is a circuit board, and light-guide device 2 is optical fiber, and photovalve 4 is light emitting diode, 4 runnings of chip 5 control photovalves.The light that photovalve 4 sends converges via lens module 6, and transfers to light-guide device 2.But above-mentioned photovalve 4, light-guide device 2 also can optionally and respectively only arrange one, are not limited to content disclosed herein.
With reference to Fig. 3 to Fig. 6, lens module 6 comprises a main body 61 and a plurality of lens 62.Main body 61 be arranged at substrate 3 and hold photovalve 4 and chip 5 in interior, and have an end face 63 and bottom surface 64 that is positioned at upper and lower sides, and connect respectively end face 63 and bottom surface 64 and be positioned at two sides 65 of opposition side.65 places, 64 contiguous two sides, bottom surface partly form one toward end face 63 depressions respectively and inside contract section 641.End face 63 forms a corresponding photovalve 4 and the light guide section 631 of light-guide device 2 positions with conducting light, and four are through to bottom surface 64 and corresponding the first through hole 66 that inside contracts section 641 positions.
Wherein, two the first through hole 66 compartment of terrains are formed at 65 places, a contiguous side, and 66 compartment of terrains of two other first through hole are formed at 65 places, contiguous another side.Each first through hole 66 has a large aperture section 661 and small-bore section 662 that is connected.Large aperture section 661 is recessed to form toward bottom surfaces 64 by end face 63, and small-bore section 662 is communicated with large aperture sections 661 to inside contracting section 641, and the aperture of large aperture section 661 is greater than the aperture of small-bore section 662.
Described lens 62 quantity are the twice of photovalve 4 quantity, the light that sends in order to converge photovalve 4.Wherein the lens 62 of half quantity are located at main body 61 interior positions corresponding to photovalve 4, and between light guide section 631 and photovalve 4.The lens 62 of half quantity are located at this main body 61 corresponding to the position of light-guide device 2 in addition, and between light guide section 631 and light-guide device 2.
With reference to Fig. 1 and Fig. 6, locating glue 7 is to pour into viscolloid in the first through hole 66 and fill colloid to form in inside contracting between section 641 and the substrate 3.When lens module 6 was attached to substrate 3, locating glue 7 was positioned at the movement that the part restriction lens module 6 of the first through hole 66 can't produce horizontal or vertical direction with respect to substrate 3, and promotes the set degree of lens module 6 on substrate 3.
Consulting Fig. 7 is in the first preferred embodiment, and light R-T unit 1 ' is as the enforcement aspect of optical receiver.Its member and aforementioned content are roughly the same, and difference is that photovalve 4 ' herein produces the photodiode (Photo diode) of electric signal for receiving light, and chip 5 ' receives and process the electric signal that photovalve 4 ' sends.Accordingly, the light that light-guide device 2 sends converges via the lens 62 of contiguous light-guide device 2, and produces electric signal to photovalve 4 ' via lens 62 aggregate transmission of light guide section 631, photovalve 4 ' top, and transfers to chip 5 ' and process.
Consulting Fig. 8 to Figure 10 is the second preferred embodiment of the utility model light R-T unit 1.This second preferred embodiment and the first preferred embodiment are roughly the same, difference is in the second preferred embodiment, main body 61 contiguous each 65 place, side of lens module 6 also are recessed to form a groove 67 that is communicated with two the first through holes 66 by end face 63, and do not indicate among the locating glue 7(figure) also be filled in this groove 67.Accordingly, during by the first through hole 66 perfusion colloid, colloid also is filled in the groove 67, and is filled in drafting among the section of inside contracting 641 and the substrate 3(figure) between, and form the structure of similar ring-type.Therefore, locating glue 7 can further promote the set degree of lens module 6 on substrate 3.
Consulting Figure 11 to Figure 14 is the 3rd preferred embodiment of the utility model light R-T unit 1.The 3rd preferred embodiment and the second preferred embodiment are roughly the same, and difference is in the 3rd preferred embodiment that the main body 61 of lens module 6 also forms two the second through holes 68 that are communicated to respectively the section of inside contracting 641 by groove 67.Each second through hole 68 is between the first through hole 66 of two vicinities, and locating glue 7 also is filled in described the second through hole 68.Accordingly, during by the first through hole 66 perfusion colloid, colloid also is filled in the second through hole 68 except being filled in groove 67, and cooperate be filled in the section of inside contracting 641 and substrate 3(with reference to figure 1) between colloid, and form similar mullion structure (such as Figure 14) with upper and lower cover.Therefore, locating glue 7 can limit lens module 6 effectively in level or vertical direction displacement, and promotes its set degree, to promote the quality of light transmission.
Quantity, shape and the setting position that is noted that above-mentioned the first through hole 66, the second through hole 68 and groove 67 can be according to need and the elasticity adjustment is not limited with content disclosed herein.
In sum, locating glue 7 is filled in the part restriction lens module 6 of the first through hole 66, the second through hole 68 and groove 67 can't generation level or perpendicular displacement, and promotes lens module 6 in the set degree of substrate 3, so really can reach the purpose of this utility model.
The above person of thought, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, the simple equivalence of namely generally doing according to the utility model claim scope and utility model description changes and modifies, and all still belongs in the scope that the utility model patent contains.
Claims (8)
1. lens module, transmission ray between a light-guide device and photovalve, it is characterized in that: this lens module comprises:
A main body, hold this photovalve in interior, and comprise an end face and bottom surface that is positioned at upper and lower sides, and connect respectively this end face and this bottom surface and be positioned at two sides of opposition side, place, a contiguous wherein side, this bottom surface partly forms one toward this end face depression and inside contracts section, this end face form a pair of should photovalve and this light-guide device position with the light guide section of conducting light, and at least one is through to this bottom surface and to inside contracting the first through hole of section position, the aperture at contiguous this end face place of this first through hole is greater than the aperture at contiguous this place, bottom surface of this first through hole; And
Two in order to converging the lens of light, and one of them lens is located at this main body and between this light guide section and this photovalve, and another lens are located at this main body and between this light guide section and this light-guide device.
2. lens module according to claim 1, it is characterized in that: this first through hole has a large aperture section and a small-bore section that is connected, this large aperture section is recessed to form toward this bottom surface by the end face of this main body, this small-bore section is communicated with this large aperture section and inside contracts section to this, and the aperture of this large aperture section is greater than the aperture of this small-bore section.
3. lens module according to claim 1 and 2 is characterized in that: this main body forms two the first through holes separately, and this main body also is recessed to form a groove that is communicated with described the first through hole by this end face.
4. lens module according to claim 3 is characterized in that: this main body also forms one and is communicated to the second through hole that this inside contracts section by this groove.
5. light R-T unit cooperates a light-guide device and receives and dispatches light, and it is characterized in that: this light R-T unit comprises:
A substrate;
A photovalve is arranged at this substrate;
A lens module, transmission ray between this light-guide device and this photovalve, this lens module comprises:
A main body, be arranged at this substrate and hold this photovalve in interior, and have an end face and bottom surface that is positioned at upper and lower sides, and connect respectively this end face and this bottom surface and be positioned at two sides of opposition side, place, a contiguous wherein side, this bottom surface partly forms one toward this end face depression and inside contracts section, this end face form one to should photovalve and this light-guide device position with the light guide section of conducting light, and at least one is through to this bottom surface and to inside contracting the first through hole of section position, the aperture at contiguous this end face place of this first through hole is greater than the aperture at contiguous this place, bottom surface of this first through hole, and two lens, in order to converge light, one of them lens is located at this main body and between this light guide section and this photovalve, and another lens are located at this main body and between this light guide section and this light-guide device; And
A locating glue, perfusion colloid are in this first through hole and fill colloid and inside contract between section and this substrate and form in this.
6. light R-T unit according to claim 5, it is characterized in that: this first through hole has a large aperture section and small-bore section that is connected, this large aperture section is recessed to form toward this bottom surface by the end face of this main body, this small-bore section is communicated with this large aperture section and inside contracts section to this, and the aperture of this large aperture section is greater than the aperture of this small-bore section.
7. according to claim 5 or 6 described light R-T units, it is characterized in that: this main body forms two the first through holes separately, and this main body also is recessed to form a groove that is communicated with described the first through hole by this end face, and this locating glue also is filled in this groove.
8. light R-T unit according to claim 7 is characterized in that: this main body also forms one and is communicated to the second through hole that this inside contracts section by this groove, and this locating glue also is filled in this second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449885 CN202815279U (en) | 2012-09-05 | 2012-09-05 | Lens module and optical transmitter-receiver device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449885 CN202815279U (en) | 2012-09-05 | 2012-09-05 | Lens module and optical transmitter-receiver device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202815279U true CN202815279U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220449885 Expired - Fee Related CN202815279U (en) | 2012-09-05 | 2012-09-05 | Lens module and optical transmitter-receiver device |
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| Country | Link |
|---|---|
| CN (1) | CN202815279U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111505A (en) * | 2013-04-19 | 2014-10-22 | 鸿富锦精密工业（深圳）有限公司 | Fiber connector |
| CN104142540A (en) * | 2013-05-08 | 2014-11-12 | 鸿富锦精密工业（深圳）有限公司 | Optical communication module |
| CN106646772A (en) * | 2015-11-02 | 2017-05-10 | 峰川光电股份有限公司 | Photoelectric conversion module |
-
2012
- 2012-09-05 CN CN 201220449885 patent/CN202815279U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111505A (en) * | 2013-04-19 | 2014-10-22 | 鸿富锦精密工业（深圳）有限公司 | Fiber connector |
| CN104142540A (en) * | 2013-05-08 | 2014-11-12 | 鸿富锦精密工业（深圳）有限公司 | Optical communication module |
| CN104142540B (en) * | 2013-05-08 | 2018-06-19 | 广州市海奕电子科技有限公司 | Optical communication module |
| CN106646772A (en) * | 2015-11-02 | 2017-05-10 | 峰川光电股份有限公司 | Photoelectric conversion module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130320 Termination date: 20150905 |
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| EXPY | Termination of patent right or utility model |