CN212115320U - Free space receiving and transmitting integrated optical communication device - Google Patents
Free space receiving and transmitting integrated optical communication device Download PDFInfo
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- CN212115320U CN212115320U CN202022137760.0U CN202022137760U CN212115320U CN 212115320 U CN212115320 U CN 212115320U CN 202022137760 U CN202022137760 U CN 202022137760U CN 212115320 U CN212115320 U CN 212115320U
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Abstract
The utility model provides an integrative optical communication device of free space receiving and dispatching belongs to communications facilities technical field. This optical communication device, including the tee bend body, the tee bend body includes the three-way pipe body, the top of three-way pipe body is provided with the third connector, one side of three-way pipe body is provided with the second connector, the opposite side of three-way pipe body is provided with first connector, the inside of third connector is pegged graft and is had the receipt TO, the inside of second connector is pegged graft and is had the transmission TO, the inside top-down of three-way pipe body has set gradually first light filter and second light filter, the inside of first connector is pegged graft and is had the metal adapter, the focus laser that transmission TO launches assembles into collimated light through collimating lens and goes out, wireless transmission is carried out, free space optical signal receiving and dispatching system can be constituteed TO a pair of free space optical communication device of receiving and dispatching an organic whole, the must need optic fibre as transmission medium that present optical communication single fiber two.
Description
Technical Field
The utility model relates to a communication equipment technical field particularly, relates to an integrative optical communication device is received and dispatched to free space.
Background
The existing optical communication single-fiber bidirectional devices are all butted with an optical fiber connector through an adapter, so that the transmission of analog or digital signals is realized through an optical fiber transmission medium, different optical wavelengths are adopted for transmitting and receiving, the optical wave at the transmitting end enters the optical fiber of the optical fiber ceramic ferrule to be transmitted out, the received optical wave is transmitted to the receiving end through the optical fiber of the optical fiber ceramic ferrule, the single-fiber bidirectional transmission of optical signals is realized, due to the rapid development of optical communication in the last 10 years, the near-infrared optical communication devices are basically in the state of China, the cost is very cheap, however, the current optical communication single-fiber bidirectional device needs to use an optical fiber as a transmission medium, and if the optical fiber is directly transmitted to a free space, the light waves can be dispersed infinitely, and can not receive identifiable light signals, and the application of the optical communication single-fiber bidirectional device in the fields of sensing and free space communication is limited because a wireless transmission mode cannot be adopted.
SUMMERY OF THE UTILITY MODEL
In order TO compensate above not enough, the utility model provides an integrative optical communication device of free space receiving and dispatching, through setting up metal adapter and collimating lens, make the focusing laser that the transmission TO launches see through collimating lens and assemble into parallel light emission and go out, carry out wireless transmission, a pair of integrative optical communication device of free space receiving and dispatching can constitute free space optical signal receiving and dispatching system, has solved the must need optic fibre as transmission medium that present optical communication single fiber bidirectional device exists, can not wireless transmission's problem.
The utility model discloses a realize like this:
the utility model provides a free space receives and dispatches integrative optical communication device, includes the tee bend body, the tee bend body includes the three-way pipe body, the top of three-way pipe body is provided with the third connector, one side of three-way pipe body is provided with the second connector, the opposite side of three-way pipe body is provided with first connector, the inside of third connector is pegged graft and is had the receipt TO, the inside of second connector is pegged graft and is had the transmission TO, the inside top-down of three-way pipe body has set gradually first light filter and second light filter, the inside of first connector is pegged graft and has been had the metal adapter, the metal adapter includes the adapter body, first hole site has been seted up TO one side of adapter body, the second hole site has been seted up TO the opposite side of adapter body, the inside of second hole site.
In an embodiment of the present invention, the first optical filter is located directly below the receiving TO, the first optical filter is perpendicular TO the receiving TO, and an included angle between the second optical filter and the first optical filter is forty-five degrees.
In an embodiment of the present invention, the operating band combination of the transmitting TO and the receiving TO is any one of 1310nm transmitting/1550 nm receiving, 1310nm transmitting/1490 nm receiving and 1270nm transmitting/1330 nm receiving.
In an embodiment of the present invention, the collimating lens is used TO convert the focused laser light emitted from the emission TO into parallel light.
In an embodiment of the present invention, the size of the first hole site is matched with the SC-type optical fiber patch cord.
The utility model discloses an in an embodiment, the second light filter is used for transmitting the focusing laser that transmission TO launches, the second light filter still is used for with by metal adapter gets into the light reflection of tee bend body extremely receive the TO.
In an embodiment of the present invention, the first optical filter is used for filtering the clutter in the light of the three-way pipe body entering the metal adapter, and eliminating the interference of the light wave signal.
In an embodiment of the present invention, the first hole site, the collimating lens and the second hole site are located on the same horizontal line.
The utility model has the advantages that: the utility model discloses an integrative optical communication device of free space receiving and dispatching that above-mentioned design obtained, through setting up metal adapter and collimating lens, make the focusing laser that the transmission TO launches see through collimating lens and assemble into parallel light emission and go out, carry out free space's wireless transmission, a pair of integrative optical communication device of free space receiving and dispatching can constitute free space light signal receiving and dispatching system, solved the must need optic fibre as transmission medium that present optical communication single fiber bidirectional device exists, can not wireless transmission's problem.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an optical communication device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structural diagram of an optical communication device according to an embodiment of the present invention;
fig. 3 is a schematic view of a mounting structure of a metal adapter and a collimating lens according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a metal adapter and a collimator lens mounting structure provided in an embodiment of the present invention.
In the figure: 100-transmit TO; 200-receive TO; 300-a three-way pipe body; 301-three-way pipe body; 302-a first connection port; 303-a second connection port; 304-a third connection port; 400-a metal adapter; 401 — an adapter body; 402-first hole site; 403-second hole site; 500-a collimating lens; 600-a first optical filter; 700-second filter.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a free space transceiving integrated optical communication device comprises a three-way pipe body 300, wherein the three-way pipe body 300 comprises a three-way pipe body 301, a third connecting port 304 is arranged at the top of the three-way pipe body 301, a second connecting port 303 is arranged at one side of the three-way pipe body 301, a first connecting port 302 is arranged at the other side of the three-way pipe body 301, a receiving TO200 is inserted into the third connecting port 304, a transmitting TO100 is inserted into the second connecting port 303, the operating waveband combination of the transmitting TO100 and the receiving TO200 is 1310nm transmitting/1550 nm receiving, 1310nm transmitting/1490 nm receiving or 1270nm transmitting/1330 nm receiving, the optical wavelength interval between the transmitting TO100 and the receiving TO200 is at least 20nm, a first optical filter 600 and a second optical filter 700 are sequentially arranged in the three-way pipe body 301 from top TO bottom, the first optical filter 600 is positioned right below the receiving TO200, the first optical filter 600 is vertical TO the receiving TO200, an included angle between the second optical filter 700 and the first optical filter 600 is forty-five degrees, the second optical filter 700 is used for transmitting focused laser emitted by the emission TO100, the second optical filter 700 is also used for reflecting light rays entering the three-way tube body 300 from the metal adapter 400 TO the reception TO200, the first optical filter 600 is used for filtering noise waves in the light rays entering the three-way tube body 300 from the metal adapter 400 and eliminating interference of light wave signals, the metal adapter 400 is inserted into the first connecting port 302, the metal adapter 400 comprises an adapter body 401, a first hole 402 is formed in one side of the adapter body 401, the size of the first hole 402 is matched with an SC-type optical fiber jumper, the free-space transceiving integrated optical communication device can communicate by using any one of optical fibers or wireless communication, a second hole 403 is formed in the other side of the adapter body 401, and a collimating lens 500 is arranged in the second hole 403, the axes of the first hole site 402, the collimating lens 500 and the second hole site 403 are located on the same horizontal line, and the collimating lens 500 is used for converting the focused laser emitted by the emission TO100 into parallel light TO be emitted TO the outside of the optical communication device, so that the problem that other optical fiber communication devices cannot receive recognizable optical signals due TO the fact that the light wave of the focused laser emitted by the emission TO100 is infinitely dispersed in a free space is avoided, and the problem that the existing optical communication single-fiber bidirectional device must use optical fibers as transmission media and cannot perform wireless transmission is solved.
In embodiment 1, two modes of optical fiber communication or wireless communication can be selected when communication is performed.
In embodiment 1-1, when an optical fiber is used TO communicate with an existing optical communication device, the SC-type optical fiber jumper is inserted into the first hole 402, the focused laser emitted by the existing communication device enters the metal adapter 400 through the SC-type optical fiber jumper, the collimating lens 500 converts the focused laser into parallel light, the parallel light is reflected by the second optical filter 700 TO the first optical filter 600 TO filter noise in the optical path, the received TO200 receives the focused laser after eliminating interference of light wave signals, the focused laser emitted by the emitted TO100 passes through the second optical filter 700, the collimating lens 500 converts the focused laser emitted by the emitted TO100 into parallel light, and the parallel light is transmitted TO another optical communication device through the SC-type optical fiber jumper, thereby completing bidirectional communication.
In embodiments 1-2, when the optical communication device in this embodiment uses optical fiber for communication, an SC-type optical fiber jumper connects the optical communication device a and the optical communication device B, when the optical communication device a transmits a signal TO the optical communication device B, the focused laser emitted from the TO100 in the optical communication device a passes through the second optical filter 700, the collimating lens 500 converts the focused laser emitted from the TO100 into parallel light, and transmits the parallel light TO the inside of the metal adapter 400 in the optical communication device B, the collimating lens 500 in the optical communication device B converges the light into parallel light, and the light is reflected by the second optical filter 700 TO the first optical filter 600 TO filter noise in the optical path, so as TO be received by the receiving TO200 after eliminating interference of the optical wave signal, when the optical communication device B transmits a signal TO the optical communication device a, the focused laser emitted from the TO100 in the optical communication device B passes through the second optical filter 700, the collimating lens 500 converts the focused laser emitted by the emitting TO100 into parallel light, the parallel light is transmitted TO the inside of the metal adapter 400 in the optical communication device A through the SC-type optical fiber jumper, the collimating lens 500 in the optical communication device B converges light rays into the parallel light, the parallel light is reflected TO the first optical filter 600 through the second optical filter 700 TO filter clutter in an optical path, the stray light is received by the receiving TO200 after interference of light wave signals is eliminated, and bidirectional communication between the communication device A and the optical communication device B is completed.
Embodiments 1 TO 3, when the optical communication device in this embodiment performs wireless communication, and the optical communication device a transmits a signal TO the optical communication device B, the focused laser beam emitted from the TO100 in the optical communication device a passes through the second optical filter 700, the collimating lens 500 converts the focused laser beam emitted from the TO100 into parallel light, and emits the parallel light into the metal adapter 400 in the optical communication device B in the air, the parallel light passes through the collimating lens 500 in the optical communication device B, and is reflected TO the first optical filter 600 by the second optical filter 700 TO filter noise in the optical path, and is received by the receiving TO200 after eliminating interference of the optical wave signal, when the optical communication device B transmits a signal TO the optical communication device a, the focused laser beam emitted from the TO100 in the optical communication device B passes through the second optical filter 700, the collimating lens 500 converts the focused laser beam emitted from the TO100 into parallel light, and emits the parallel light into the metal adapter 400 in the optical communication device a in the air, the parallel light passes through the collimating lens 500 in the optical communication device a, is reflected TO the first optical filter 600 through the second optical filter 700 TO filter clutter in the optical path, is received by the receiving TO200 after eliminating interference of light wave signals, and completes the two-way communication between the communication device a and the optical communication device B.
Specifically, the working principle of the free space transmit-receive integrated optical communication device is as follows: the focusing laser emitted by the emission TO100 passes through the second optical filter 700, the collimating lens 500 converts the focusing laser emitted by the emission TO100 into parallel light which is emitted TO another optical communication device in the air, the parallel light emitted by the other optical communication device is emitted TO the inside of the metal adapter 400 in the air, the parallel light passes through the optical collimating lens 500, is reflected TO the first optical filter 600 through the second optical filter 700 TO filter noise waves in an optical path, is received by the reception TO200 after interference of light wave signals is eliminated, coaxial wireless bidirectional transmission of free space communication is realized, and the problem that the existing optical communication single-fiber bidirectional device needs optical fibers as a transmission medium and cannot perform wireless transmission is solved.
It should be noted that the specific model specifications of the transmitting TO100 and the receiving TO200 need TO be determined by type selection according TO the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the transmitting TO100 and the receiving TO200 and their principles will be clear TO those skilled in the art and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The free space transceiving integrated optical communication device is characterized by comprising a three-way pipe body (300), wherein the three-way pipe body (300) comprises a three-way pipe body (301), a third connecting port (304) is arranged at the top of the three-way pipe body (301), a second connecting port (303) is arranged on one side of the three-way pipe body (301), a first connecting port (302) is arranged on the other side of the three-way pipe body (301), a receiving TO (200) is spliced in the third connecting port (304), a transmitting TO (100) is spliced in the second connecting port (303), a first optical filter (600) and a second optical filter (700) are sequentially arranged in the three-way pipe body (301) from top TO bottom, a metal adapter (400) is spliced in the first connecting port (302), and the metal adapter (400) comprises an adapter body (401), a first hole site (402) is formed in one side of the adapter body (401), a second hole site (403) is formed in the other side of the adapter body (401), and a collimating lens (500) is arranged inside the second hole site (403).
2. The optical communication device of claim 1, wherein the first optical filter (600) is located right below the receiving TO (200), the first optical filter (600) is perpendicular TO the receiving TO (200), and an included angle between the second optical filter (700) and the first optical filter (600) is forty-five degrees.
3. The free-space transceiver-integrated optical communication device of claim 1, wherein the operating bands of the transmitting TO (100) and the receiving TO (200) are combined into any one of 1310nm transmission/1550 nm reception, 1310nm transmission/1490 nm reception and 1270nm transmission/1330 nm reception.
4. The free-space transceiver-integrated optical communication device as claimed in claim 1, wherein the collimating lens (500) is configured TO convert the focused laser light emitted from the transmitting TO (100) into parallel light.
5. The optical communication device of claim 1, wherein the first hole site (402) is sized to match an SC-type optical fiber patch cord.
6. The optical communication device of claim 1, wherein the second optical filter (700) is configured TO transmit the focused laser light emitted from the transmitting TO (100), and the second optical filter (700) is further configured TO reflect the light entering the three-way tube (300) from the metal adapter (400) TO the receiving TO (200).
7. The optical communication device of claim 6, wherein the first optical filter (600) is used for filtering noise in the light entering the three-way pipe body (300) from the metal adapter (400) and eliminating the interference of lightwave signals.
8. The optical communication device of claim 1, wherein the axes of the first hole site (402), the collimating lens (500) and the second hole site (403) are located on the same horizontal line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022137760.0U CN212115320U (en) | 2020-09-25 | 2020-09-25 | Free space receiving and transmitting integrated optical communication device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022137760.0U CN212115320U (en) | 2020-09-25 | 2020-09-25 | Free space receiving and transmitting integrated optical communication device |
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| CN212115320U true CN212115320U (en) | 2020-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089488A (en) * | 2021-10-22 | 2022-02-25 | 中航光电科技股份有限公司 | Free space transmission optical assembly, optical communication module and optical communication system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089488A (en) * | 2021-10-22 | 2022-02-25 | 中航光电科技股份有限公司 | Free space transmission optical assembly, optical communication module and optical communication system |
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Effective date of registration: 20220316 Address after: 226000 Zhongtian Industrial Park, Hekou Town, Rudong County, Nantong City, Jiangsu Province Patentee after: ZHONGTIAN BROADBAND TECHNOLOGY Co.,Ltd. Patentee after: Zhongtian Communication Technology Co.,Ltd. Patentee after: WUHAN XINGSI OPTOELECTRONICS TECHNOLOGY CO.,LTD. Address before: 430000 7th floor, building 11, Guanggu new power, Guanggu 2nd Road, Wuhan, Hubei Province Patentee before: WUHAN XINGSI OPTOELECTRONICS TECHNOLOGY CO.,LTD. |