CN216437196U - Free space optical communication equipment - Google Patents
Free space optical communication equipment Download PDFInfo
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- CN216437196U CN216437196U CN202123451733.1U CN202123451733U CN216437196U CN 216437196 U CN216437196 U CN 216437196U CN 202123451733 U CN202123451733 U CN 202123451733U CN 216437196 U CN216437196 U CN 216437196U
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Abstract
The utility model discloses be suitable for the communication technology field, provide a free space optical communication equipment, this free space optical communication equipment includes signal transceiver and the host computer of being connected with signal transceiver through the cable, and signal transceiver includes the microprocessing unit, with the first signal conversion module of microprocessing unit connection, send apart from selection device and laser signal transmitter, wherein: the first signal conversion module is used for converting an electric signal received from a host computer into an optical signal; the transmission distance selection device is used for receiving the selected signal transmission range; after receiving the signal transmission range of the transmission distance selection device, the micro-processing unit controls the laser signal transmitter to externally transmit the optical signal converted by the first signal conversion module by using the laser with the corresponding wavelength, so that the free space optical communication equipment can control the transmission of the optical signal according to the signal transmission range selected by a user, and the safety of data to be transmitted by the user is improved.
Description
Technical Field
The utility model belongs to the technical field of communication, especially, relate to a free space optical communication equipment.
Background
Free Space Optical communication (FSO) is a new broadband access technology, and FSO communication does not require an Optical fiber as a transmission medium, and transmits data in the Free Space within the spectral range of terahertz with laser or Optical pulses. FSO communications can provide transmission rates close to those of optical fiber communications, but have the characteristics of low cost and simplicity in construction compared to optical fiber communications.
The use of FSO communication in special environment can effectively avoid potential safety hazards such as monitoring, interception and the like, and enhance the safety of special communication, so the FSO communication can be used in occasions with higher requirements on confidentiality or safety such as military actual combat and drilling, however, the conventional FSO communication equipment is usually heavier, is inconvenient to carry and has fixed transmission distance, and the application range of the FSO communication equipment is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a free space optical communication equipment aims at solving the heavy and fixed problem of sending distance of current free space optical communication equipment.
The utility model provides a free space optical communication equipment, free space optical communication equipment include signal transceiver and through the cable with the host computer that signal transceiver connects, signal transceiver include the microprocessing unit, with the first signal conversion module that the microprocessing unit connects, send apart from selection device and laser signal transmitter, wherein:
the first signal conversion module is used for converting the electric signal received from the host computer into an optical signal;
the transmitting distance selecting device is used for receiving the selected signal transmitting range;
and after receiving the signal sending range of the sending distance selection device, the micro-processing unit controls the laser signal transmitter to externally transmit the optical signal converted by the first signal conversion module by using laser with corresponding wavelength.
The host comprises a central processing unit and an electric signal coding module connected with the central processing unit, wherein the electric signal coding module is used for converting binary data corresponding to user data into electric signals under the control of the central processing unit and sending the electric signals to the signal transceiver.
Preferably, the signal transceiver further comprises:
the laser signal receiver is connected with the micro-processing unit and receives an optical signal sent from the outside under the control of the micro-processing unit;
and the second signal conversion module is connected with the laser signal receiver and used for converting the received optical signal into an electric signal and sending the electric signal to the host.
Further preferably, the host comprises a central processing unit and an electrical signal decoding module connected with the central processing unit, wherein the electrical signal decoding module is used for converting the electrical signal received from the signal transceiver into binary data under the control of the central processing unit.
Further preferably, the host further comprises a human-computer interaction component for performing interaction with a user.
Further preferably, the human-computer interaction component is an input/output device, and the input/output device comprises a display screen.
Further preferably, the central processing unit and the micro processing unit are the same component.
Preferably, the free-space optical communication device is a portable device.
The utility model provides a free space optical communication equipment includes signal transceiver and the host computer that passes through cable and signal transceiver to be connected, signal transceiver includes the microprocessing unit, the first signal conversion module who is connected with the microprocessing unit, send apart from selection device and laser signal transmitter, the first signal conversion module converts the electrical signal that receives from the host computer into the light signal, send apart from the selection device and receive the signal transmission scope of selection, after the microprocessing unit receives the signal transmission scope of sending apart from the selection device, control laser signal transmitter use the laser of corresponding wavelength outwards to launch the light signal that first signal conversion module converted and obtain, thereby make free space optical communication equipment can be according to the sending range control light signal's of user's selection sending, realize the differentiation distance data transfer based on free space optical communication equipment, the data security is improved.
Drawings
Fig. 1 is a schematic structural diagram of a free-space optical communication device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a free space optical communication device according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a free-space optical communication device according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a free-space optical communication device according to a fourth embodiment of the present invention; and
fig. 5 is a flowchart of an implementation of a communication method based on a free-space optical communication device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is given to specific implementations of the present invention with reference to specific embodiments:
the first embodiment is as follows:
fig. 1 shows a structure of a free space optical communication device according to a first embodiment of the present invention, and for convenience of description, only the portions related to the embodiments of the present invention are shown.
The embodiment of the utility model provides a free space optical communication (FSO) equipment 1, this FSO equipment 1 accessible laser sends the data transmission of user's input to the destination end, as shown in the figure, this FSO equipment 1 includes signal transceiver 10 and the host computer 20 of being connected with signal transceiver 10 through the cable, host computer 20 is used for receiving user's the data of awaiting sending to data conversion will be sent the signal of telecommunication, signal transceiver 10 is used for sending the host computer the signal of telecommunication of coming and converting into optical signal and sending away.
Specifically, the signal transceiver 10 includes a micro-processing unit 101, a first signal conversion module 102 connected to the micro-processing unit 101, a transmission distance selection device 103, and a laser signal transmitter 104, where the first signal conversion module 102 is configured to convert an electrical signal received from the host 20 into an optical signal, the transmission distance selection device 103 is configured to receive a selected signal transmission range, and the micro-processing unit 101 controls the laser signal transmitter 104 to externally transmit the optical signal converted by the first signal conversion module 102 by using laser with a corresponding wavelength after receiving the signal transmission range of the transmission distance selection device 103.
The embodiment of the utility model provides an in, consider the particularity that FSO equipment used the scene, be provided with transmission distance selecting device 103 on signal transceiver 10 to be used for receiving the transmission distance or the scope of the data of awaiting sending that the user selected, specifically, this transmission distance selecting device 103 can be a knob or touch-sensitive screen, so that the user selects suitable data transmission distance, thereby guarantee that data does not surpass the scope and send, provide the data transfer of differentiation distance for the user, the security of data has been improved simultaneously. The laser signal transmitter 104 may include a laser light source and a transmitting antenna to externally transmit the optical signal converted by the first signal conversion module using laser light of a corresponding wavelength.
The FSO equipment provided by the embodiment of the utility model comprises a signal transceiver and a host machine connected with the signal transceiver through a cable, wherein the signal transceiver comprises a micro-processing unit, a first signal conversion module connected with the micro-processing unit, a sending distance selection device and a laser signal transmitter, the first signal conversion module converts an electric signal received from the host machine into an optical signal, the sending distance selection device receives the selected signal sending range, after the micro-processing unit receives the signal sending range of the sending distance selection device, the laser signal transmitter is controlled to use the laser with the corresponding wavelength to externally transmit the optical signal converted by the first signal conversion module, therefore, the free space optical communication equipment can control the transmission of the optical signal according to the signal transmission range selected by the user, realize the differential distance data transmission based on the FSO equipment and improve the data security.
Example two:
fig. 2 shows a structure of a free space optical communication device according to a second embodiment of the present invention, and for convenience of description, only the parts related to the second embodiment of the present invention are shown.
The embodiment of the utility model provides a FSO equipment 1, this FSO equipment 1 can be portable equipment, data transmission with user input through laser is to the destination end, as shown in the figure, this FSO equipment 1 includes signal transceiver 10 and the host computer 20 of being connected with signal transceiver 10 through the cable, host computer 20 is used for receiving user's the data of awaiting sending to data conversion will be waited to send and is the signal of telecommunication, signal transceiver 10 is used for sending the host computer the signal of telecommunication of coming and convert the light signal into and send away.
Specifically, the signal transceiver 10 includes a micro-processing unit 101, a first signal conversion module 102 connected to the micro-processing unit, a transmission distance selection device 103, and a laser signal transmitter 104, where the first signal conversion module 102 is configured to convert an electrical signal received from the host 20 into an optical signal, the transmission distance selection device 103 is configured to receive a selected signal transmission range, and the micro-processing unit 101 controls the laser signal transmitter 104 to externally transmit the optical signal converted by the first signal conversion module 102 by using laser with a corresponding wavelength after receiving the signal transmission range of the transmission distance selection device 103.
The embodiment of the present invention provides an embodiment, in consideration of the particularity of the usage scenario of the FSO device, the transmission distance selection device 103 is disposed on the signal transceiver 10 for receiving the transmission distance or range of the data to be transmitted selected by the user, specifically, the transmission distance selection device 103 can be a knob or a touch screen, so that the user can select a suitable data transmission distance, thereby ensuring that the data is not transmitted beyond the range, and improving the data security. The laser signal transmitter 104 may include a laser light source and a transmitting antenna to externally transmit the optical signal converted by the first signal conversion module using laser light of a corresponding wavelength.
In the embodiment of the present invention, the host 20 includes a central processing unit 201 and an electrical signal coding module 202 connected to the central processing unit 201, and the electrical signal coding module 202 is used for converting binary data corresponding to user data into an electrical signal and sending the electrical signal to the signal transceiver 10 under the control of the central processing unit 201.
Example three:
fig. 3 shows a structure of a free space optical communication device according to a third embodiment of the present invention, and for convenience of description, only the parts related to the embodiments of the present invention are shown.
The embodiment of the utility model provides a FSO equipment 1, this FSO equipment 1 accessible laser send the data transmission of user's input to the destination end, as shown in the figure, this FSO equipment 1 includes signal transceiver 10 and the host computer 20 of being connected with signal transceiver 10 through the cable, and host computer 20 is used for receiving user's the data of awaiting sending to data conversion to the signal of telecommunication will awaiting sending, and signal transceiver 10 is used for sending the signal of telecommunication that the host computer sent and comes to be converted into optical signal and sends away.
Specifically, the signal transceiver 10 includes a micro-processing unit 101, a first signal conversion module 102 connected to the micro-processing unit, a transmission distance selection device 103, a laser signal transmitter 104, a laser signal receiver 105, and a second signal conversion module 106, wherein, the first signal conversion module 102 is used for converting the electrical signal received from the host 20 into an optical signal, the transmission distance selection device 103 is used for receiving the selected signal transmission range, after receiving the signal transmission range of the transmission distance selection device 103, the laser signal transmitter 104 is controlled to externally transmit the optical signal converted by the first signal conversion module 102 by using laser with a corresponding wavelength, the laser signal receiver 105 is used for receiving an optical signal sent from the outside under the control of the micro processing unit 101, and the second signal conversion module 106 is used for converting the received optical signal into an electrical signal and sending the electrical signal to the host 20.
The embodiment of the present invention provides an embodiment, in consideration of the particularity of the usage scenario of the FSO device, the transmission distance selection device 103 is disposed on the signal transceiver 10 for receiving the transmission distance or range of the data to be transmitted selected by the user, specifically, the transmission distance selection device 103 can be a knob or a touch screen, so that the user can select a suitable data transmission distance, thereby ensuring that the data is not transmitted beyond the range, and improving the data security. The laser signal transmitter 104 may include a laser light source and a transmitting antenna to externally transmit the optical signal converted by the first signal conversion module by using laser light with a corresponding wavelength, and the laser signal receiver 105 may include a laser receiving antenna to receive the laser signal externally transmitted.
In the embodiment of the present invention, the host 20 includes a central processing unit 201 and an electrical signal coding module 202 connected to the central processing unit 201, and the electrical signal coding module 202 is used for converting binary data corresponding to user data into an electrical signal and sending the electrical signal to the signal transceiver 10 under the control of the central processing unit 201.
Example four:
fig. 4 shows a structure of a free space optical communication device according to a fourth embodiment of the present invention, and for convenience of description, only the portions related to the embodiments of the present invention are shown.
The embodiment of the utility model provides a FSO equipment 1, this FSO equipment 1 accessible laser send the data transmission of user's input to the destination end, as shown in the figure, this FSO equipment 1 includes signal transceiver 10 and the host computer 20 of being connected with signal transceiver 10 through the cable, and host computer 20 is used for receiving user's the data of awaiting sending to data conversion to the signal of telecommunication will awaiting sending, and signal transceiver 10 is used for sending the signal of telecommunication that the host computer sent and comes to be converted into optical signal and sends away.
Specifically, the signal transceiver 10 includes a micro-processing unit 101, a first signal conversion module 102 connected to the micro-processing unit, a transmission distance selection device 103, a laser signal transmitter 104, a laser signal receiver 105, and a second signal conversion module 106, wherein, the first signal conversion module 102 is used for converting the electrical signal received from the host 20 into an optical signal, the transmission distance selection device 103 is used for receiving the selected signal transmission range, after receiving the signal transmission range of the transmission distance selection device 103, the laser signal transmitter 104 is controlled to externally transmit the optical signal converted by the first signal conversion module 102 by using laser with a corresponding wavelength, the laser signal receiver 105 is used for receiving an optical signal sent from the outside under the control of the micro processing unit 101, and the second signal conversion module 106 is used for converting the received optical signal into an electrical signal and sending the electrical signal to the host 20.
The embodiment of the present invention provides an embodiment, in consideration of the particularity of the usage scenario of the FSO device, the transmission distance selection device 103 is disposed on the signal transceiver 10 for receiving the transmission distance or range of the data to be transmitted selected by the user, specifically, the transmission distance selection device 103 can be a knob or a touch screen, so that the user can select a suitable data transmission distance, thereby ensuring that the data is not transmitted beyond the range, and improving the data security. The laser signal transmitter 104 may include a laser light source and a transmitting antenna to externally transmit the optical signal converted by the first signal conversion module by using laser light with a corresponding wavelength, and the laser signal receiver 105 may include a laser receiving antenna to receive the laser signal externally transmitted.
In the embodiment of the present invention, the host 20 includes the central processing unit 201 and the electrical signal encoding module 202 and the electrical signal decoding module 203 connected to the central processing unit 201, the electrical signal encoding module 202 is used to convert the binary data corresponding to the user data into the electrical signal and send the electrical signal to the signal transceiver 10 under the control of the central processing unit 201, and the electrical signal decoding module 203 is used to convert the electrical signal received from the signal transceiver 10 into the binary data under the control of the central processing unit.
In an embodiment of the present invention, the central processing unit 201 and the micro processing unit 101 are the same component, so as to manage and control each component of the FSO through the same processing unit, and simplify the structure of the FSO device, and reduce the device cost.
In another embodiment of the present invention, the host 20 may further include a human-computer interaction component for performing interaction with a user, and the human-computer interaction component is various input/output devices, specifically, the input/output devices may include a display screen, a keyboard, a voice input device, etc. so as to facilitate the user to input or view various data.
Example five:
fig. 5 shows an implementation flow of a communication method based on free space optical communication equipment according to a fifth embodiment of the present invention, and for convenience of description, only the parts related to the embodiments of the present invention are shown, and detailed descriptions are as follows:
in step S501, converting an electrical signal received from a host into an optical signal by a first signal conversion module;
in step S502, a signal transmission range selected by a user is received by the transmission distance selection means;
in step S503, after receiving the signal transmission range of the transmission distance selecting device, the microprocessor controls the laser signal transmitter to transmit the optical signal converted by the first signal conversion module to the outside by using the laser with the corresponding wavelength.
The embodiment of the utility model provides a communication method is used for the FSO equipment of aforementioned embodiment, the first signal conversion module through FSO equipment will be from the received signal conversion of electrical signal conversion of FSO equipment host computer to light signal, the signalling scope of user's selection is received to the sending distance selecting arrangement through FSO equipment, after receiving the signalling scope of sending distance selecting arrangement, the microprocessing unit control laser signal transmitter through FSO equipment uses the laser of corresponding wavelength to externally emit the light signal that is converted by the first signal conversion module of FSO equipment and obtains, thereby make FSO equipment can be according to the sending of the signalling scope control light signal of user's selection, realize the differentiation distance data transfer based on FSO equipment, the security of data has been improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A free space optical communication device, comprising a signal transceiver and a host connected to the signal transceiver through a cable, wherein the signal transceiver comprises a micro-processing unit, a first signal conversion module connected to the micro-processing unit, a transmission distance selection device, and a laser signal transmitter, and wherein:
the first signal conversion module is used for converting the electric signal received from the host computer into an optical signal;
the transmitting distance selecting device is used for receiving the selected signal transmitting range;
and after receiving the signal sending range of the sending distance selection device, the micro-processing unit controls the laser signal transmitter to externally transmit the optical signal converted by the first signal conversion module by using laser with corresponding wavelength.
2. The free-space optical communication device of claim 1, wherein the host comprises a central processing unit and an electrical signal encoding module connected to the central processing unit, the electrical signal encoding module being configured to convert binary data corresponding to user data into an electrical signal and send the electrical signal to the signal transceiver under the control of the central processing unit.
3. The free-space optical communication device of claim 1 wherein the signal transceiver further comprises:
the laser signal receiver is connected with the micro-processing unit and receives an optical signal sent from the outside under the control of the micro-processing unit;
and the second signal conversion module is connected with the laser signal receiver and used for converting the received optical signal into an electric signal and sending the electric signal to the host.
4. The free-space optical communication device of claim 3 wherein the host comprises a central processing unit and an electrical signal decoding module coupled to the central processing unit for converting electrical signals received from the signal transceiver to binary data under control of the central processing unit.
5. The free-space optical communication device of claim 2 or 4 wherein the host further comprises a human interaction component for interactive operation with a user.
6. The free-space optical communication device of claim 5 wherein the human interaction component is an input/output device, the input/output device including a display screen.
7. The free-space optical communication device of claim 2 or 4 wherein the central processing unit and the micro-processing unit are the same component.
8. The free-space optical communication device of claim 1 wherein the free-space optical communication device is a portable device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451733.1U CN216437196U (en) | 2021-12-31 | 2021-12-31 | Free space optical communication equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451733.1U CN216437196U (en) | 2021-12-31 | 2021-12-31 | Free space optical communication equipment |
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| Publication Number | Publication Date |
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| CN216437196U true CN216437196U (en) | 2022-05-03 |
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| CN202123451733.1U Active CN216437196U (en) | 2021-12-31 | 2021-12-31 | Free space optical communication equipment |
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| CN (1) | CN216437196U (en) |
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- 2021-12-31 CN CN202123451733.1U patent/CN216437196U/en active Active
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