CN2516985Y - Opitcal subcombination - Google Patents
Opitcal subcombination Download PDFInfo
- Publication number
- CN2516985Y CN2516985Y CN01271849U CN01271849U CN2516985Y CN 2516985 Y CN2516985 Y CN 2516985Y CN 01271849 U CN01271849 U CN 01271849U CN 01271849 U CN01271849 U CN 01271849U CN 2516985 Y CN2516985 Y CN 2516985Y
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- China
- Prior art keywords
- housing
- optics
- time combination
- optical fiber
- projection
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Abstract
The utility model relates to an optical second combination comprising a photoelectric element, a first case and a second case, wherein, a mounting hole is made inside the first case to be used to insert and fix optical fiber; the second case comprises a cavity, a lens part and a protrusion that are coaxial arranged. The lens is arranged in the middle. The cavity is used to hold the optical element and aligned with optical axis of the lens part. The first and the second case are connected by the protrusion that is combined with the mounting hole of the first case which fatherly assures the coaxial alignment of the optical axis of the lens part and optical fiber and the optical element. The lens part can converge light beam of optical element and optical fiber.
Description
[technical field]
The utility model is to pass the optics time combination of receiving in the module about a kind of photoelectricity that is installed on, and refers to a kind of optics time combination of replaceable optical fiber holding parts especially.
[background technology]
In the optical communication networking, optics time combination is to be installed on photoelectricity to pass and receive in the module and the external fiber connector cooperates, to receive or to send light signal and realize the conversion of light, electric signal.It comprises a housing, lens and a photovalve, this housing further comprises a mounting hole and host cavity, this mounting hole can be accommodated the contact pin (Ferrule) of built-in fiber, this host cavity can be installed photovalve in wherein, the light beam that lens layout is transmitted to converge therebetween in the middle of photovalve and optical fiber.Optics time combination is respectively laser diode and photodiode by its photovalve of accommodating, and can be divided into sending optics time combination and receiving optics time combination.Because of the aligning of needs realization optical element and optical fiber, so its manufacturing accuracy height, cost passes half that receive the module total cost near photoelectricity.
Time combination of a kind of existing optics sees also United States Patent (USP) the 5th, 692, and No. 083, its housing is host cavity and the lens integrated injection molding with the mounting hole of fixing optical fiber contact pins, installation photovalve, to guarantee mutual exact position.But, traditional FC, the SC type joints of optical fibre and small size (SFF, Small Form Factor) it is the cylindric contact pin of 2.5mm and 1.25mm that LC, MU type connector adopt diameter respectively, and its outer portion connecting structure is also inequality, so require to design time combination of multiple optics at the dissimilar joints of optical fibre, thereby the increase manufacturing step, and photoelectricity pass to receive module and will connect the different fiber connector and need change time combination of whole optics, is unfavorable for reducing cost.
Another kind of existing optics time combination sees also United States Patent (USP) the 5th, 189, No. 716, optical fiber holding parts, lens holding parts and photovalve holding parts all are independent manufacturings in its housing, be welded to each other again or closely cooperate and be one, but this housing element is more, thereby the processing request of each element is higher to guarantee quality of fit, and complexity is installed, so should design reduction manufacturing cost still not yet in effect.
In view of this, provide a kind of optics time combination that can change the optical fiber holding parts, very necessary.
[summary of the invention]
The purpose of this utility model is to provide a kind of replaceable optical fiber holding parts, thereby can cooperate with the multiple joints of optical fibre, and the lower optics time combination of manufacturing cost.
The purpose of this utility model is achieved in that provides time combination of a kind of optics, can cooperate with external fiber, to realize Photoelectric Signal Processing, comprise one first housing, one second housing and a photovalve, wherein, this first housing comprise one can insert and fixing optical fiber in mounting hole wherein, this second housing comprises a projection, one host cavity and a lens section, this host cavity can be accommodated the photovalve that can realize photosignal conversion in wherein, this projection is one-body molded with lens section, and the mounting hole interference fit of this projection and first housing, thereby connect this first housing and second housing, photovalve coaxial alignment in the optical axis of lens section and the optical fiber of insertion and second housing, and in the middle of being positioned at, to converge the light beam that transmits between photovalve and optical fiber.
Compare with time combination of existing optics, the utlity model has following advantage: it can realize the batch process of second housing, and matches with second housing by first housing of changing different size, can connect the dissimilar joints of optical fibre.
[description of drawings]
Fig. 1 is the constitutional diagram of the utility model optics time combination.
Fig. 2 is the three-dimensional exploded view of the utility model optics time combination.
Fig. 3 is the decomposing section of first housing and second housing in the utility model optics time combination.
Fig. 4 is the sectional view of Fig. 1 along the IV-IV direction.
Fig. 5 is the decomposing section of another kind of first housing and second housing in the utility model optics time combination.
[embodiment]
See also Fig. 1 and Fig. 2, time combination of the utility model optics comprises that one first housing 1, cylindrical second housing 2 of a chamfered edge and are installed on the photovalve (please refer to Fig. 4) in second housing 2, and this first housing 1 can be accommodated the traditional contact pin (figure does not show) of built-in fiber.
See also Fig. 3, this first housing 1 can be one-body molded, offer the stepped mounting hole 11 of a perforation first housing 1 in it, contact pin (figure does not show) with the up-winding fiber end, this mounting hole 11 further comprises a guidance part 111, a location division 112 and an installation portion 113, and they are the face of cylinder of coaxial arrangement.Wherein, the contact pin of these guidance part 111 bootable built-in fibers (figure does not show) enters wherein, it extends internally out smaller location division 112, an aperture with the contact pin (figure does not show) of the radial location and the fixing SC type joints of optical fibre, and the littler installation portion in an aperture 113 is further extended with match with second housing 2 (detailed aftermentioned) in this location division 112.But this first housing 1 is not limited in and cooperates the SC type joints of optical fibre, can cooperate the FC type joints of optical fibre after its outside surface machining screw.
Please be simultaneously with reference to Fig. 4, cylindrical second housing 2 of this chamfered edge further comprises the column host cavity 21 of one and the lower surface perforation of coaxial arrangement, the columnar protrusions 23 that a lens section 3 and is positioned at upper surface, and this second housing 2 can be one-body molded by transparent plastics of light signal or glass material, thereby guarantee the exact position relation of each several part.Wherein, this lens section 3 is arranged in second housing, and between host cavity 21 and projection 23, so that lens section 3 converges the light beam that passes through, still, when adopting sphere lens, also lens can be separated manufacturing with second housing 2, is installed in second housing 2 again.In addition, this host cavity 21 and second housing, 2 lower surfaces connect to accommodate photovalve (as LASER Light Source 4) in wherein, this LASER Light Source 4 is to be installed in this host cavity 21 by substrate 41, and host cavity 21 comprises that also two openings 211 are to locate the axial location of this LASER Light Source 4.This LASER Light Source 4 can be directly fixed in second housing 2 by the machinery cooperation of this substrate 41 and host cavity 21, adheres in the host cavity 21 after also can finely tuning, to realize and the higher alignment precision of lens section 3 optical axises.And this projection 23 is positioned at the upper surface of second housing 2, and it further comprises an end face 231 and depressed part 232, and this depressed part 232 is inwardly to sink from end face 231 centers.
During assembling, this projection 23 can be pressed in the installation portion 113 of first housing 1, and with these installation portion 113 interference fit, thereby connect this first housing 1 and second housing 2, the fiber end face of contact pin parcel (figure does not show) will be to being affixed on this end face 231 to determine the distance of fiber end face (figure does not show) and photovalve, and this depressed part 232 can prevent the scratch fiber end face.Time combination of the utility model optics is the accurate cooperation by this projection 23 and installation portion 113, thereby realize being immobilizated in optical fiber and the optical axis of lens section 3 and the coaxial alignment of host cavity 21 interior photovalves of location division 112, thereby the lens section 3 in the middle of being positioned at can converge the light beam that transmits between optical fiber and photovalve to improve coupling efficiency, to reduce the position of components accuracy requirement, to converge the light beam that sent by LASER Light Source 4 in the center of projection 23 end faces 231 as lens section 3, thereby be coupled in the optical fiber.Because of this first housing 1 and second housing 2 are that interference fit connects as one, so, this first housing 1 can be dismantled on this second housing 2, is replaced by another kind of first housing 5 and matches with the joints of optical fibre (detailed aftermentioned) that are connected another type with second housing 2.
Please refer to Fig. 5, is the decomposition cross section view of another kind of first housing 5 and second housing 2 in the utility model optics time combination.This first housing 5 can replace first housing 1 and match with second housing 2.But the miniaturization contact pin of these first housing, 5 fixing joints of optical fibre (figure does not show), the mounting hole 51 of a perforation first housing 5 is offered in its inside, this mounting hole 51 further comprises a guidance part 511 and a location division 512, and they are the face of cylinder of coaxial arrangement.This guidance part 511 enters wherein in order to the contact pin (figure do not show) of guiding built-in fiber, its location division 512 contact pin (figure does not show) with radial location and fixing optical fiber end that extends internally out.During combination, this location division 512 can be pressed into the projection 23 of second housing 2, and interference fit with it, thereby connects this first housing 5 and second housing 2.Be appreciated that, this second housing 2 can guarantee optical fiber (figure does not show) and the optical axis of lens section 3 and the aligning of photovalve of insertion by the cooperation of this projection 23 and location division 512, and limits the distance of optical fiber (figure does not show) end faces and photovalve by the end face 231 of this projection 23.
So time combination of the utility model optics can realize the batch process of second housing, only need design the first different housings is mated and can adapts to the dissimilar joints of optical fibre, and only need change first housing during mounting hole that cooperates with optical fiber contact pins distortion and get final product, to reduce production costs and to increase the service life.
Claims (10)
1. optics time combination, can cooperate with external fiber, to realize Photoelectric Signal Processing, it comprises: one first housing, one second housing and a photovalve, wherein, this first housing comprise one can insert and fixing optical fiber in mounting hole wherein, this second housing can be accommodated photovalve in wherein, this photovalve can be realized the conversion of photosignal, it is characterized in that: this second housing comprises a projection and a lens section, and this projection is one-body molded with lens section, and this projection is installed on first housing, the optical axis of lens section is and the optical fiber of insertion and the photovalve coaxial alignment in second housing, and is positioned at middle.
2. optics as claimed in claim 1 time combination it is characterized in that the mounting hole of this first housing further comprises a location division with location, this optical fiber of fixing, and this first housing is one-body molded.
3. optics as claimed in claim 1 time combination, the mounting hole that it is characterized in that this first housing further comprises a location division and installation portion, this location division can be located, this optical fiber of fixing, and this installation portion is installed on this projection, and this first housing is one-body molded.
4. optics as claimed in claim 3 time combination is characterized in that this location division and installation portion are the face of cylinder of coaxial arrangement.
5. optics as claimed in claim 1 time combination it is characterized in that this second housing comprises that also one installs the host cavity of photovalve, and this second housing is one-body molded.
6. optics as claimed in claim 5 time combination is characterized in that this host cavity and this projection and lens section coaxial alignment.
7. optics as claimed in claim 5 time combination is characterized in that this second housing is one-body molded by the transparent material of light signal.
8. optics as claimed in claim 1 time combination is characterized in that this projection further comprises an end face and depressed part, and depressed part is positioned at the central authorities of this end face, and the end face that inserts optical fiber will be positioned at same plane with the end face of this projection.
9. optics as claimed in claim 1 time combination, it is characterized in that this projection be with the mounting hole interference fit of first housing being connected first housing and second housing, and this photovalve is one can launch light signal to the interior LASER Light Source of the optical fiber that inserts.
10. optics as claimed in claim 1 time combination is characterized in that this photovalve is one can receive the light signal in the optical fiber and be converted to the photodiode of corresponding electric signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01271849U CN2516985Y (en) | 2001-11-30 | 2001-11-30 | Opitcal subcombination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01271849U CN2516985Y (en) | 2001-11-30 | 2001-11-30 | Opitcal subcombination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2516985Y true CN2516985Y (en) | 2002-10-16 |
Family
ID=33677172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01271849U Expired - Lifetime CN2516985Y (en) | 2001-11-30 | 2001-11-30 | Opitcal subcombination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2516985Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236133A (en) * | 2010-04-29 | 2011-11-09 | 光燿科技股份有限公司 | Optical fiber connector and manufacturing method thereof |
| CN104280209A (en) * | 2013-07-11 | 2015-01-14 | 武汉亿科思德科技有限公司 | Optical sub-module detecting machine and detecting method |
| CN106680947A (en) * | 2016-01-11 | 2017-05-17 | 青岛光路光电科技有限公司 | Low loss optical fiber interface module and preparation method and optical subassembly thereof |
| WO2021143274A1 (en) * | 2020-01-13 | 2021-07-22 | 武汉邮埃服光电科技有限公司 | Optical device integrated with optical fiber adapter |
-
2001
- 2001-11-30 CN CN01271849U patent/CN2516985Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236133A (en) * | 2010-04-29 | 2011-11-09 | 光燿科技股份有限公司 | Optical fiber connector and manufacturing method thereof |
| CN102236133B (en) * | 2010-04-29 | 2013-09-25 | 光燿科技股份有限公司 | Optical fiber connector and manufacturing method thereof |
| CN104280209A (en) * | 2013-07-11 | 2015-01-14 | 武汉亿科思德科技有限公司 | Optical sub-module detecting machine and detecting method |
| CN106680947A (en) * | 2016-01-11 | 2017-05-17 | 青岛光路光电科技有限公司 | Low loss optical fiber interface module and preparation method and optical subassembly thereof |
| WO2021143274A1 (en) * | 2020-01-13 | 2021-07-22 | 武汉邮埃服光电科技有限公司 | Optical device integrated with optical fiber adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20111130 Granted publication date: 20021016 |