CN101308236B - Focusing auxiliary equipment for wireless light communication equipment and its focusing method - Google Patents
Focusing auxiliary equipment for wireless light communication equipment and its focusing method Download PDFInfo
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- CN101308236B CN101308236B CN2008100666479A CN200810066647A CN101308236B CN 101308236 B CN101308236 B CN 101308236B CN 2008100666479 A CN2008100666479 A CN 2008100666479A CN 200810066647 A CN200810066647 A CN 200810066647A CN 101308236 B CN101308236 B CN 101308236B
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- focusing
- trim ring
- pretension
- utility appliance
- light communication
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Abstract
The invention discloses a focusing auxiliary device of a wireless optical communication device, which comprises a fixing device on which a focusing pressing ring is arranged; and the focusing pressingring is provided with: a pre-tightening device for exerting certain pre-tightening force on the focusing pressing ring and controlling the focusing pressing ring to be pre-tightened along the axial direction; and a radial focusing device for controlling the focusing pressing ring to move on a radial plane. The invention also discloses a focusing method of the wireless optical communication device. The adoption of the auxiliary focusing device solves the problem of difficult fine focusing when in pure manual focusing, and operators can adjust locations of end faces of optical fibers of the wireless optical communication device on the radial plane through operating the pre-tightening device and the radial focusing device, thereby facilitating fast fine focusing.
Description
Technical field
The present invention relates to the optical focusing field, relate in particular to a kind of focusing utility appliance and focus adjustment method thereof of equipment for wireless light communication.
Background technology
As shown in Figure 1, equipment for wireless light communication inside is provided with the emission camera lens and receives camera lens, emission camera lens and reception camera lens all are located at the below of focal plane plate 3, plate 3 tops in focal plane are connected with adapter 2, coupling tail optical fiber 1 is inserted in the middle of the adapter 2, after the emission camera lens is launched light, enter coupling tail optical fiber 1 and receive the camera lens gathered light.This just need adjust to the fiber end face at coupling tail optical fiber 1 lock pin center on the focal position of accepting camera lens.In the middle of the equipment for wireless light communication, require very high to focusing accuracy.The simple manual focusing process of finishing of traditional focus adjustment method utilization, the operator needs manually that mobile adapter 2 finds the focal position on focal plane plate 3, but because jumping characteristic, the uncontinuity of people's manual manipulation are difficult to realize accurately location.And after focusing finishes, also need a locking process, and utilize lock-screw 4 with adapter 2 lockings, distortion that locked-up stress causes or displacement have changed again and have focused the position.Therefore simple artificial focusing requires a great deal of time, and focusing operator's experience is required than higher.
Summary of the invention
Technical matters to be solved by this invention is, a kind of focusing utility appliance and focus adjustment method thereof of equipment for wireless light communication is provided, and can make things convenient for quick accurate focusing.
In order to solve the problems of the technologies described above, embodiments of the invention provide a kind of focusing utility appliance of equipment for wireless light communication, comprising:
Stationary installation is equiped with the focusing trim ring on the described stationary installation;
Described focusing trim ring is provided with:
Tapered end face;
Be used for described focusing trim ring is applied certain pretightning force, and control the described focusing trim ring pre-tightening apparatus of pretension vertically;
Be used to control the radially focus control that described focusing trim ring moves on the sagittal plane.Corresponding embodiments of the invention also provide a kind of focus adjustment method of equipment for wireless light communication, may further comprise the steps:
The stationary installation and the focal plane plate of focusing utility appliance are fixed;
Utilize the focusing trim ring of described stationary installation to push down adapter;
Utilize the pre-tightening apparatus of described stationary installation that described focusing trim ring is applied certain pretightning force, make described focusing trim ring pretension vertically;
Utilize the radially focus control of described focusing utility appliance that described focusing trim ring is moved on the sagittal plane;
After being adjusted to accurate focal position, tighten the lock-screw on the described adapter, remove described focusing utility appliance.
Owing to adopt auxiliary focusing mechanism, when having overcome simple manual focusing, be difficult to the problem of accurate focusing, the operator is by operation pre-tightening apparatus and focus control radially, regulate the position of equipment for wireless light communication inner fiber end face on the sagittal plane, thus convenient quick accurate focusing.
Description of drawings
Fig. 1 is the perspective view of the need focusing mechanism of existing equipment for wireless light communication;
Fig. 2 is the positive perspective view of the focusing utility appliance of embodiment of the invention equipment for wireless light communication;
Fig. 3 is the focusing utility appliance of the embodiment of the invention equipment for wireless light communication reverse side perspective view corresponding with Fig. 2;
Fig. 4 is the application structure synoptic diagram of the focusing utility appliance of embodiment of the invention equipment for wireless light communication;
Fig. 5 is the schematic flow sheet of the focus adjustment method of embodiment of the invention equipment for wireless light communication.
Embodiment
Below with reference to accompanying drawing the preferred embodiments of the present invention are described.In the accompanying drawing of institute's reference, same or analogous parts use identical drawing reference numeral to represent among the different figure.
Referring to Fig. 2, Fig. 3, Fig. 4, Fig. 2 is the positive perspective view of the focusing utility appliance of embodiment of the invention equipment for wireless light communication, Fig. 3 is the focusing utility appliance of the embodiment of the invention equipment for wireless light communication reverse side perspective view corresponding with Fig. 2, and Fig. 4 is the application structure synoptic diagram of the focusing utility appliance of embodiment of the invention equipment for wireless light communication.Embodiments of the invention provide a kind of focusing utility appliance of equipment for wireless light communication, comprise: stationary installation, be equiped with focusing trim ring 20 on the stationary installation, focusing trim ring 20 is provided with pre-tightening apparatus, pre-tightening apparatus applies certain pretightning force to focusing trim ring 20, and controls focusing trim ring 20 pretension vertically, also is provided with radially focus control on the focusing trim ring 20, radially focus control control focusing trim ring 20 moves on the sagittal plane, and the sagittal plane here is focal plane plate 3 just.Owing to adopt auxiliary focusing mechanism, when having overcome simple manual focusing, be difficult to the problem of accurate focusing, the operator is by operation pre-tightening apparatus and focus control radially, regulate the position of fiber end face on the sagittal plane in the equipment for wireless light communication, thus convenient quick accurate focusing.
In the present embodiment, stationary installation comprises holder 43, and holder 43 is provided with gib screw 42, and gib screw 42 is fixed on holder 43 on the focal plane plate 3.Stationary installation also comprises a retainer plate 41, focusing trim ring 20 is installed in the retainer plate 41, the annulus external diameter of focusing trim ring 20 is less than the internal radius of retainer plate 41, the inner face of retainer plate 41 is provided with lug boss 412, to focus trim ring 20 of lug boss 412 holds up, and focusing trim ring 20 is housed in the inner ring of retainer plate 41.Retainer plate 41 is connected with holder 43.Holder 43 can be a U profile plate, can have a trim ring breach 21 on the focusing trim ring 20, and the opening direction of the U type groove 44 in the opening direction of trim ring breach 21 and the U profile plate in the same way.U profile plate was convenient in when focusing, and the utility appliance of will focus is fixed on the focal plane plate 3, and focal plane plate 3 can be inserted in the U type groove 44 in the U profile plate, and utilizes gib screw 42 to tighten, and plays the effect of the fixing utility appliance of focusing.Also have a retainer plate breach 411 on the retainer plate 41, retainer plate breach 411 is corresponding with trim ring breach 21.When focusing utility appliance fixedly on the focal plane plate 3 time, because coupling tail optical fiber 1 has certain length, and U profile plate need be inserted into focal plane plate 3 in the U type groove 44, and the tail optical fiber 1 that therefore is coupled needs process retainer plate breach 411 and trim ring breach 21 to slide in the middle of the internal radius of focusing trim ring 20.
In the embodiment of the invention, holder 43 also can be flat panel, and the utility appliance of will focusing of the gib screw 42 on the focusing backup utility flat panel is fixed on the focal plane plate 3.At this moment, retainer plate breach 411 and trim ring breach 21 can have, and also can not have; The tail optical fiber 1 that promptly is coupled passes through retainer plate breach 411 and trim ring breach 21 slides in the middle of the internal radius of focusing trim ring 20, also can be inserted into vertically in the middle of the focusing trim ring 20.Flat panel or U profile plate also can be set, but retainer plate 41 directly is fixed on the focal plane plate 3.
In the embodiment of the invention, the annulus external diameter of focusing trim ring 20 is greater than the disk external diameter of adapter 2, and the internal radius of focusing trim ring 20 is less than the disk external diameter of adapter 2.In the present embodiment, the annulus end face on the focusing trim ring 20 is a tapered end face 22.Tapered end face 22 is used for the time pushing down in focusing the disk external diameter edge of adapter 2, and when pre-tightening apparatus control focusing trim ring 20 vertically during pretension, tapered end face 22 promotes adapters 2 pretension vertically; When the control of focus control radially focusing trim ring 20 was mobile on focal plane plate 3, tapered end face 22 promoted adapters 2 and moves on focal plane plate 3.Tapered end face 22 is convenient to block the edge of adapter 2, and it is mobile with focusing trim ring 20 to promote adapter 2.
In the present embodiment, pre-tightening apparatus comprises pretension compressing tablet 13 and pretension screw 11.One end of pretension compressing tablet 13 is connected with pretension screw 11, and pretension screw 11 is connected with the annulus end-face helical of retainer plate 41, and can be rotated in the retainer plate 41; The end face contact that the other end of pretension compressing tablet 13 is relative with the tapered end face of focusing trim ring 20 can apply pretightning force to focusing trim ring 20.Pre-tightening apparatus also comprises preloading spring 12, and preloading spring 12 is installed in the screw thread place of pretension screw 11, and contacts with pretension compressing tablet 13.When needs apply pretightning force to the focusing trim ring, rotate pretension screw 11, pretension screw 11 moves down, compression preloading spring 12, preloading spring 12 produces pretightning force, and it is downward to promote pretension compressing tablet 13, moves down thereby pretension compressing tablet 13 promotes focusing trim ring 20, and focusing trim ring 20 is applied certain pretightning force.Final focusing trim ring 20 promotes adapter 2 and moves down, to its objective is in order making between adapter 2 and the focal plane plate 3 certain friction factor to be arranged, when the control of focus control radially adapter 2 is mobile on focal plane plate 3, produce certain friction force between adapter 2 and the focal plane plate 3, friction force can reduce the amplitude that adapter 2 moves on focal plane plate 3, thereby reaches accurate focusing.
In the present embodiment, radially focus control is 3 screws 31 of radially focusing.Also can be 4 screws 31 of radially focusing.The screw 31 of radially focusing is connected with the outside diameter end-face helical of retainer plate 41, and the internal side diameter end face that passes retainer plate 41 contacts with the outside diameter end face of focusing trim ring 20.When focusing, rotate the screw 31 of radially focusing, the screw 31 of radially focusing promotes focusing trim ring 20, and focusing trim ring 20 is moved on focal plane plate 3.Radially focus threads turn on the screw 31 converts the small translation of focusing trim ring 20 to, thereby can realize meticulous adjusting and accurate location.
Referring to Fig. 5, Fig. 5 is the schematic flow sheet of the focus adjustment method of embodiment of the invention equipment for wireless light communication.The present invention also provides a kind of focus adjustment method of equipment for wireless light communication, may further comprise the steps:
Step S501 is fixing with the stationary installation and the focal plane plate 3 of focusing utility appliance;
In the present embodiment, stationary installation is a U profile plate, U profile plate is provided with gib screw 42, U profile plate is convenient to when focusing, the utility appliance of will focusing is fixed on the focal plane plate 3, focal plane plate 3 can be inserted in the U type groove 44 in the U profile plate, and utilizes gib screw 42 to tighten, and plays the effect of fixing focusing utility appliance.Stationary installation also comprises retainer plate 41, is used for fixing the focusing utility appliance.
In the present embodiment, U profile plate also can be flat panel, and the utility appliance of will focusing of the gib screw 42 on the focusing backup utility flat panel is fixed on the focal plane plate 3.Can not have flat panel or U profile plate yet, retainer plate 41 directly is fixed on the focal plane plate 3.
Step S502, the tapered end face 22 on the focusing trim ring 20 of utilization focusing utility appliance is pushed down adapter 2;
In the present embodiment, the annulus external diameter of focusing trim ring 20 is less than the internal radius of retainer plate 41, and the inner face of retainer plate 41 is provided with lug boss 412, and lug boss 412 trim ring 20 of will focus holds up, and the trim ring 20 of focusing is housed in the inner ring of retainer plate 41.The annulus external diameter of focusing trim ring 20 is greater than the disk external diameter of adapter 2, and the internal radius of focusing trim ring 20 is less than the disk external diameter of adapter 2.Annulus end face on the focusing trim ring 20 is a tapered end face 22.Tapered end face 22 is used for the time pushing down in focusing the disk external diameter edge of adapter 2, and when pre-tightening apparatus control focusing trim ring 20 vertically during pretension, tapered end face 22 promotes adapters 2 pretension vertically; When the control of focus control radially focusing trim ring 20 was mobile on focal plane plate 3, tapered end face 22 promoted adapters 2 and moves on focal plane plate 3.Tapered end face 22 is convenient to block the edge of adapter 2, and it is mobile with focusing trim ring 20 to promote adapter 2.
Step S503 rotates the pretension screw 11 on the focusing utility appliance;
Step S504, pretension screw 11 compression preloading springs 12;
11 rotations of pretension screw are constantly compressed preloading spring 12 downwards, and preloading spring 12 is constantly compression also, produces certain pretightning force.
Step S505, preloading spring 12 promote pretension compressing tablet 13 and move vertically;
Step S506, pretension compressing tablet 13 promote focusing trim ring 20 pretension vertically;
Step S507, the radially focusing screw 31 that rotates the focusing utility appliance promotes focusing trim ring 20 and moves on focal plane plate 3;
In the present embodiment, the screw 31 of radially focusing is at least 3.The screw 31 of radially focusing is connected with the outside diameter end-face helical of retainer plate 41, and the internal side diameter end face that passes retainer plate 41 contacts with the outside diameter end face of focusing trim ring 20.When focusing, rotate the screw 31 of radially focusing, the screw 31 of radially focusing promotes focusing trim ring 20, and focusing trim ring 20 is moved on focal plane plate 3.Radially focus threads turn on the screw 31 converts the small translation of focusing trim ring 20 to, thereby can realize meticulous adjusting and accurate location.
Step S508 after being adjusted to accurate focal position, tightens the lock-screw 4 on the adapter 2, removes the focusing utility appliance.
After being adjusted to accurate focal position, tighten the lock-screw 4 on the adapter 2, unclamp gib screw 42, pretension screw 11 and the screw 31 of radially focusing again, the utility appliance of will focusing removes, thereby has finished the focusing process to a need focusing mechanism.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (12)
1. the focusing utility appliance of an equipment for wireless light communication is characterized in that, comprising:
Stationary installation is equiped with the focusing trim ring on the described stationary installation;
Described focusing trim ring is provided with:
Tapered end face;
Be used for described focusing trim ring is applied certain pretightning force, and control the described focusing trim ring pre-tightening apparatus of pretension vertically;
Be used to control the radially focus control that described focusing trim ring moves on the sagittal plane.
2. the focusing utility appliance of equipment for wireless light communication according to claim 1, it is characterized in that, described pre-tightening apparatus comprises pretension screw, preloading spring and pretension compressing tablet, described preloading spring is installed on the screw thread of described pretension screw, described pretension screw is connected with described pretension compressing tablet, the end face contact that described pretension compressing tablet is relative with the tapered end face of described focusing trim ring, described pretension screw drives described pretension compressing tablet and promotes described focusing trim ring.
3. the focusing utility appliance of equipment for wireless light communication according to claim 1 is characterized in that, described radially focus control is at least 3 screws of radially focusing.
4. according to the focusing utility appliance of the described equipment for wireless light communication of claim 1, it is characterized in that described stationary installation comprises holder, described holder is provided with gib screw, and described stationary installation comprises that also one is arranged on the outer retainer plate of described focusing trim ring.
5. according to the focusing utility appliance of the described equipment for wireless light communication of claim 4, it is characterized in that, described holder is a U profile plate, also offer a trim ring breach on the described focusing trim ring, the opening direction of the opening direction of described trim ring breach and described U profile plate also has the retainer plate breach corresponding with described trim ring breach in the same way on the described retainer plate.
6. the focusing utility appliance of equipment for wireless light communication according to claim 4 is characterized in that, described retainer plate is a flat panel.
7. the focusing utility appliance of equipment for wireless light communication according to claim 6 is characterized in that, is respectively equipped with retainer plate breach and the trim ring breach corresponding with described retainer plate breach on described focusing trim ring and the described retainer plate.
8. the focus adjustment method of an equipment for wireless light communication, it may further comprise the steps:
The stationary installation and the focal plane plate of focusing utility appliance are fixed; Utilize the focusing trim ring of described focusing utility appliance to push down adapter;
Utilize the pre-tightening apparatus of described focusing utility appliance that described focusing trim ring is applied certain pretightning force, make described focusing trim ring pretension vertically;
Utilize the radially focus control of described focusing utility appliance that described focusing trim ring is moved on the sagittal plane;
After being adjusted to accurate focal position, tighten the lock-screw on the described adapter, remove described focusing utility appliance.
9. the focus adjustment method of equipment for wireless light communication according to claim 8 is characterized in that, the step that the described focusing trim ring that utilizes described focusing utility appliance is pushed down adapter comprises:
Utilize the tapered end face of described focusing trim ring to push down described adapter.
10. the focus adjustment method of equipment for wireless light communication according to claim 9 is characterized in that, the external diameter of described tapered end face is greater than the external diameter of described adapter, and the internal diameter of described tapered end face is less than the external diameter of described adapter.
11. the focus adjustment method of equipment for wireless light communication according to claim 9, it is characterized in that, described pre-tightening apparatus comprises pretension screw, preloading spring and pretension compressing tablet, described preloading spring be installed in use on the screw thread of pretension screw, described pretension screw is connected with described pretension compressing tablet, the end face contact that described pretension compressing tablet is relative with the tapered end face of described focusing trim ring, the described pre-tightening apparatus of described focusing utility appliance that utilizes applies certain pretightning force to described focusing trim ring, make described focusing trim ring vertically the step of pretension comprise:
Rotate described pretension screw;
Described pretension screw compresses described preloading spring;
Described preloading spring promotes described pretension compressing tablet and moves vertically;
Described pretension compressing tablet promotes described focusing trim ring pretension vertically.
12. the focus adjustment method of equipment for wireless light communication according to claim 8, it is characterized in that, described radially focus control is at least 3 screws of radially focusing, and the described radially focus control of described focusing utility appliance that utilizes comprises described focusing trim ring mobile step on the sagittal plane:
Rotate the described screw of radially focusing, on the sagittal plane, move to promote described focusing trim ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100666479A CN101308236B (en) | 2008-04-15 | 2008-04-15 | Focusing auxiliary equipment for wireless light communication equipment and its focusing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100666479A CN101308236B (en) | 2008-04-15 | 2008-04-15 | Focusing auxiliary equipment for wireless light communication equipment and its focusing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101308236A CN101308236A (en) | 2008-11-19 |
| CN101308236B true CN101308236B (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100666479A Expired - Fee Related CN101308236B (en) | 2008-04-15 | 2008-04-15 | Focusing auxiliary equipment for wireless light communication equipment and its focusing method |
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| CN (1) | CN101308236B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707408B (en) * | 2012-06-08 | 2014-07-16 | 中国科学院光电技术研究所 | Rotation-free focusing mechanism for light source |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282393A (en) * | 1992-05-08 | 1994-02-01 | New Focus, Inc. | Precision component positioner |
| US20060127000A1 (en) * | 2004-12-06 | 2006-06-15 | Rainer Heidemann | Optical fiber coupler |
| CN1908714A (en) * | 2005-08-04 | 2007-02-07 | 中国科学院半导体研究所 | Eccentrically focus-adjusted optical fiber adapter structure and regulation method of same |
| CN201138381Y (en) * | 2007-11-28 | 2008-10-22 | 深圳市大族激光科技股份有限公司 | Optical fiber coupler |
-
2008
- 2008-04-15 CN CN2008100666479A patent/CN101308236B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282393A (en) * | 1992-05-08 | 1994-02-01 | New Focus, Inc. | Precision component positioner |
| US20060127000A1 (en) * | 2004-12-06 | 2006-06-15 | Rainer Heidemann | Optical fiber coupler |
| CN1908714A (en) * | 2005-08-04 | 2007-02-07 | 中国科学院半导体研究所 | Eccentrically focus-adjusted optical fiber adapter structure and regulation method of same |
| CN201138381Y (en) * | 2007-11-28 | 2008-10-22 | 深圳市大族激光科技股份有限公司 | Optical fiber coupler |
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| Publication number | Publication date |
|---|---|
| CN101308236A (en) | 2008-11-19 |
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Owner name: SHENZHEN SIAN COMMUNICATIONS TECHNOLOGY CO., LTD. Effective date: 20110824 |
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Free format text: CORRECT: ADDRESS; FROM: 518055 SHENZHEN, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20110824 Address after: 518000 room 1503, Pioneer Park, University Town, Taoyuan street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Sian Communications Technology Co., Ltd. Address before: 518055 Guangdong Province, Shenzhen City Xili Nanshan honghualing industrial zone of the Fifth District building B Patentee before: Shijiren Radio Communication Equipment Co., Ltd., Shenzhen |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20190415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |