CN217428128U - Information one-way transmission equipment based on laser communication - Google Patents
Information one-way transmission equipment based on laser communication Download PDFInfo
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- CN217428128U CN217428128U CN202220558489.4U CN202220558489U CN217428128U CN 217428128 U CN217428128 U CN 217428128U CN 202220558489 U CN202220558489 U CN 202220558489U CN 217428128 U CN217428128 U CN 217428128U
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Abstract
The utility model relates to an information one-way transmission equipment based on laser communication, it includes optical gate equipment, optical gate equipment is provided with the thermovent in the middle part in front, the thermovent left and right sides is provided with intranet start button and outer net start button respectively, intranet start button left side upper and lower both sides are provided with a set of inside and outside net interface and inside and outside net management mouth respectively, inside and outside net management mouth left side is provided with the charging mouth, outside net start button right side is provided with the physical connector, optical gate equipment left and right ends all are provided with network interface; the utility model has the advantages of simple structure, physical isolation between the network, interference immunity are strong, the degree of difficulty of stealing is high, high security.
Description
Technical Field
The utility model belongs to the technical field of network security, concretely relates to information one-way transmission equipment based on laser communication.
Background
With the development of informatization construction, networking office work is completely realized in a national network company, but the popularization of networking office work inevitably leads to the expansion of network security boundaries, so that illegal flow of high-security-level information to a low-security-level system and huge secret-related risk of illegal flow of secret-related information to a non-secret-related information system are brought, in order to solve the problems of security isolation and information one-way introduction, optical disc ferrying can be adopted, but the problems of data entrainment risk, poor real-time performance and large data file transmission caused by the limitation of optical disc storage capacity exist; a unidirectional network gate can be adopted, but the unidirectional network gate is subject to security loopholes such as borrowing by hackers, existence of hidden information channels, equipment camouflage, data counterfeiting and the like; the optical code photographing can be adopted, but the transmission data capacity is low, and the requirement of mass data transmission cannot be met; the LED single guide can be adopted, but the communication is easy to be interfered under the natural light environment or the condition of stronger illumination light; therefore, it is very necessary to provide a unidirectional information transmission device based on laser communication, which has a simple structure, physical isolation between networks, strong anti-interference performance, high stealing difficulty and high security.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide a simple structure, physical isolation between the network, interference immunity is strong, steal the degree of difficulty height, high security's information one-way transmission equipment based on laser communication.
The purpose of the utility model is realized like this: one-way transmission equipment of information based on laser communication, it includes optical gate equipment, the preceding middle part of optical gate equipment be provided with the thermovent, the thermovent left and right sides be provided with intranet start button and extranet start button respectively, intranet start button left side about both sides be provided with a set of inside and outside net interface and inside and outside net management mouth respectively, inside and outside net management mouth left side be provided with the mouth that charges, extranet start button right side be provided with the physics connector, optical gate equipment left and right sides all be provided with network interface.
The optical gate equipment comprises a transmitting end signal processing module, a transmitting optical path unit, a receiving optical path unit and a receiving end signal processing module.
The transmitting end signal processing module and the receiving end signal processing module both comprise an electro-optical conversion module, the transmitting light path unit comprises an infrared laser, and the receiving light path unit comprises a photoelectric detector.
The physical connectors comprise optical interfaces and RJ45 network ports.
The optical interface adopts a double-fiber interface compatible with 850nm/1310nm/1550nm working wavelength.
The electro-optical conversion module adopts an MP-732T/R-MM type module, the infrared laser adopts an RL808-100G3 type semiconductor laser, and the photoelectric detector adopts an MPRV2115A type detector.
The network interface is connected with an Ethernet connector, and the optical gate equipment is in signal connection with a user through the Ethernet connector.
The network interface adopts a 100M/1000M self-adaptive Ethernet interface.
The heat dissipation port is of a honeycomb structure.
The utility model has the advantages that: the utility model relates to a laser communication-based information one-way transmission device, which is characterized in that optical gate equipment completes data transmission, the optical gate equipment is connected with a user signal through an Ethernet connector to transparently transmit data, in use, a transmitting end signal processing module converts an Ethernet electrical signal into an optical signal through an electro-optical conversion module, a transmitting light path unit transmits the optical signal into an atmospheric channel through an infrared laser, a receiving light path unit receives the optical signal transmitted through the atmospheric channel through a photoelectric detector, a receiving end signal processing module restores the optical signal into the Ethernet electrical signal through the electro-optical conversion module to transmit high-speed invisible light information, and realizes the one-way data introduction of a static file. The feedback-free information one-way safe transmission is realized in a physical connection-free mode, the requirements of physical isolation between networks and data one-way feedback-free transmission are met, the information transmission without physical cable connection between the networks can be realized, meanwhile, the one-way transmission characteristic of light ensures the one-way transmission of data from a physical mechanism, a physical path of the data which is reversely read or tampered can be effectively cut off, the data transmission device can be deployed between two networks or two PCs, and the data transmission is completed by the matching of a sending end and a receiving end; the utility model, as a new generation of enterprise-level information security protection equipment with high security, relies on the security isolation technology to provide higher level security protection capability for the information network, the high-efficiency data transmission performance brings higher office efficiency for users, and simultaneously, the anti-attack capability of the information network is greatly enhanced, and the occurrence of information leakage events is effectively prevented; the utility model has the advantages of simple structure, physical isolation between the network, interference immunity are strong, the degree of difficulty of stealing is high, high security.
Drawings
Fig. 1 is the structure diagram of the optical gate device of the one-way information transmission device based on laser communication of the present invention.
Fig. 2 is the signal processing flow diagram of the optical gate device of the information unidirectional transmission device based on laser communication of the present invention.
Fig. 3 is the utility model discloses information unidirectional transmission equipment's based on laser communication deployment sketch map.
In the figure: 1. the optical gate device 2, the heat dissipation port 3, the internal network start-up button 4, the external network start-up button 5, the physical connection port 51, the optical interface 52, the RJ45 network port 6, the internal and external network interfaces 7, the internal and external network management ports 8, the charging port 9, the network interface 10, the ethernet connector 11, the transmitting end signal processing module 110, the electro-optical conversion module 12, the transmitting optical path unit 120, the infrared laser 13, the receiving optical path unit 130, the photoelectric detector 14, and the receiving end signal processing module.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, the one-way information transmission device based on laser communication comprises an optical gate device 1, a heat dissipation port 2 is arranged in the middle of the front surface of the optical gate device 1, an intranet starting button 3 and an extranet starting button 4 are respectively arranged on the left and right sides of the heat dissipation port 2, a set of intranet and extranet interfaces 6 and an intranet and extranet management port 7 are respectively arranged on the upper and lower sides of the left side of the intranet starting button 3, a charging port 8 is arranged on the left side of the intranet and extranet management port 7, a physical connection port 5 is arranged on the right side of the extranet starting button 4, and network interfaces 9 are respectively arranged on the left and right ends of the optical gate device 1.
The shutter device 1 includes a transmitting-end signal processing module 11, a transmitting optical path unit 12, a receiving optical path unit 13, and a receiving-end signal processing module 14.
The transmitting end signal processing module 11 and the receiving end signal processing module 14 both include an electrical-to-optical conversion module 110, the transmitting optical path unit 12 includes an infrared laser 120, and the receiving optical path unit 13 includes a photodetector 130.
The physical connection port 5 comprises an optical interface 51 and an RJ45 network port 52.
The utility model relates to a transmission of data is accomplished by optical gate equipment 1 to optical gate equipment 1, passes through ethernet connector 10 with the user's signal and is connected, carries out transparent transmission to data, and in use, transmission end signal processing module 11 converts the ethernet electric signal into the light signal through electro-optical conversion module 110, and transmission light path unit 12 sends the light signal to the atmospheric channel through infrared laser 120, and receiving light path unit 13 receives the light signal through atmospheric channel transmission through photodetector 130, and receiving end signal processing module 14 restores the light signal to the ethernet electric signal through electro-optical conversion module 110, transmits high-speed invisible light information, realizes the one-way data introduction of static file, the utility model discloses a near field atmospheric laser communication technique, with infrared laser as the information carrier, the atmosphere is the transmission medium, utilize the one-way leading-in passageway of unique information of physical mode construction, the method has the advantages that feedback-free information one-way safe transmission is realized in a physical connection-free mode, requirements of physical isolation and data one-way feedback-free transmission between networks are met, information transmission without physical cable connection between the networks can be realized, meanwhile, the one-way transmission characteristic of light ensures that data is transmitted in one way from a physical mechanism, a physical path of data which is read or tampered reversely can be effectively cut off, the method can be deployed between two networks or two PCs, and data transmission is completed by matching a transmitting end and a receiving end; the utility model, as a new generation of enterprise-level information security protection equipment with high security, relies on the security isolation technology to provide higher level security protection capability for the information network, the high-efficiency data transmission performance brings higher office efficiency for users, and simultaneously, the anti-attack capability of the information network is greatly enhanced, and the occurrence of information leakage events is effectively prevented; the utility model has the advantages of simple structure, physical isolation between the network, interference immunity are strong, the degree of difficulty of stealing is high, high security.
Example 2
As shown in fig. 1-3, the one-way information transmission device based on laser communication comprises an optical gate device 1, a heat dissipation port 2 is arranged in the middle of the front surface of the optical gate device 1, an intranet starting button 3 and an extranet starting button 4 are respectively arranged on the left and right sides of the heat dissipation port 2, a set of intranet and extranet interfaces 6 and an intranet and extranet management port 7 are respectively arranged on the upper and lower sides of the left side of the intranet starting button 3, a charging port 8 is arranged on the left side of the intranet and extranet management port 7, a physical connection port 5 is arranged on the right side of the extranet starting button 4, and network interfaces 9 are respectively arranged on the left and right ends of the optical gate device 1.
The shutter device 1 includes a transmitting-end signal processing module 11, a transmitting optical path unit 12, a receiving optical path unit 13, and a receiving-end signal processing module 14.
The transmitting end signal processing module 11 and the receiving end signal processing module 14 both include an electrical-to-optical conversion module 110, the transmitting optical path unit 12 includes an infrared laser 120, and the receiving optical path unit 13 includes a photodetector 130.
The physical connection port 5 comprises an optical interface 51 and an RJ45 network port 52.
For better effect, the optical interface 51 adopts a dual-fiber interface compatible with the operating wavelength of 850nm/1310nm/1550 nm.
For better effect, the electro-optical conversion module 110 adopts an MP-732T/R-MM type module, the infrared laser 120 adopts an RL808-100G3 type semiconductor laser, and the photodetector 130 adopts an MPRV2115A type detector.
For better results, the network interface 9 is connected to an ethernet connector 10, and the optical shutter device 1 is connected to the user signal through the ethernet connector 10.
For better effect, the network interface 9 adopts a 100M/1000M adaptive Ethernet interface.
For better effect, the heat dissipation port 2 has a honeycomb structure.
The utility model discloses an information unidirectional transmission equipment based on laser communication, accomplish the transmission of data by optical gate equipment 1, pass through ethernet connector 10 with user's signal and be connected, carry out transparent transmission to data, in use, transmitting terminal signal processing module 11 converts the ethernet electric signal into optical signal through electro-optical conversion module 110, transmitting light path unit 12 sends optical signal to the atmospheric channel through infrared laser 120, receiving light path unit 13 receives the optical signal through atmospheric channel transmission through photoelectric detector 130, receiving terminal signal processing module 14 restores the optical signal to the ethernet electric signal through electro-optical conversion module 110, transmit high-speed invisible light information, the unidirectional data that realizes static file is leading-in, the utility model discloses a near field atmospheric laser communication technique has following advantage: (1) physical isolation between networks, no physical connection: the device adopts a near-field atmospheric laser communication technology, infrared laser is an information carrier, and atmosphere is a transmission medium, so that information transmission without physical cable connection between equipment is realized, and the requirement of physical isolation between networks is met; (2) high safety: the laser is transmitted in a one-way mode, the laser is transmitted in a one-way mode in a physical mechanism, the infrared laser 120 emits optical signals after being excited, the photoelectric detector 130 receives the laser signals and converts the laser signals into electric signals, the two processes are independent, the function of the device is single, and the transmission and the reception of the optical signals are guaranteed to be separated; the laser is transmitted in a medium in a straight line: the laser has strong directivity, longer communication distance, small divergence angle (within 10 degrees), concentrated light beam and energy, no side lobe and tail lobe, small covered space in a transmission path and reaching a communication end, difficult interception of an optical signal and extremely high stealing difficulty; (3) no electromagnetic radiation, and can not be stolen by electromagnetic stealing equipment: the laser working frequency is about 192THz, the electromagnetic wave working waveband is 2 GHz-60 GHz, the height is 4-5 orders of magnitude, the frequency bands of the two are very different, and the existing electromagnetic stealing equipment cannot detect optical signals; (4) the anti-interference performance is strong: at present, no interference means aiming at the optical frequency band exists, wherein the wireless optical communication carrier frequency is distributed above 190THz, so that common electromagnetic waves can not generate interference on the wireless optical communication carrier frequency, and the wireless optical communication carrier frequency can normally work and can not mutually interfere under a complex electromagnetic environment and a strong electromagnetic strip part; the utility model has the advantages of simple structure, physical isolation between the network, interference immunity are strong, the degree of difficulty of stealing is high, high security.
Claims (9)
1. Information one-way transmission equipment based on laser communication, it includes optical gate equipment, its characterized in that: the optical gate equipment in the middle of the front is provided with the thermovent, the thermovent left and right sides be provided with intranet start button and outer net start button respectively, intranet start button left side about both sides be provided with a set of inside and outside net interface and inside and outside net management mouth respectively, inside and outside net management mouth left side be provided with the mouth that charges, outer net start button right side be provided with the physics connector, optical gate equipment left and right sides all be provided with network interface.
2. The apparatus for unidirectional transmission of information based on laser communication according to claim 1, wherein: the optical gate equipment comprises a transmitting end signal processing module, a transmitting optical path unit, a receiving optical path unit and a receiving end signal processing module.
3. The apparatus for unidirectional transmission of information based on laser communication according to claim 2, wherein: the transmitting end signal processing module and the receiving end signal processing module both comprise an electro-optical conversion module, the transmitting optical path unit comprises an infrared laser, and the receiving optical path unit comprises a photoelectric detector.
4. The apparatus for unidirectional transmission of information based on laser communication according to claim 1, wherein: the physical connectors comprise optical interfaces and RJ45 network ports.
5. The apparatus for unidirectional transmission of information based on laser communication according to claim 4, wherein: the optical interface adopts a double-fiber interface compatible with 850nm/1310nm/1550nm working wavelength.
6. The apparatus for unidirectional transmission of information based on laser communication according to claim 3, wherein: the electro-optical conversion module adopts an MP-732T/R-MM type module, the infrared laser adopts an RL808-100G3 type semiconductor laser, and the photoelectric detector adopts an MPRV2115A type detector.
7. The apparatus for unidirectional transmission of information based on laser communication according to claim 1, wherein: the network interface is connected with an Ethernet connector, and the optical gate equipment is in signal connection with a user through the Ethernet connector.
8. The apparatus for unidirectional transmission of information based on laser communication according to claim 7, wherein: the network interface adopts a 100M/1000M self-adaptive Ethernet interface.
9. The apparatus for unidirectional transmission of information based on laser communication according to claim 1, wherein: the heat dissipation port is of a honeycomb structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220558489.4U CN217428128U (en) | 2022-03-15 | 2022-03-15 | Information one-way transmission equipment based on laser communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220558489.4U CN217428128U (en) | 2022-03-15 | 2022-03-15 | Information one-way transmission equipment based on laser communication |
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| Publication Number | Publication Date |
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| CN217428128U true CN217428128U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220558489.4U Active CN217428128U (en) | 2022-03-15 | 2022-03-15 | Information one-way transmission equipment based on laser communication |
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| CN (1) | CN217428128U (en) |
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- 2022-03-15 CN CN202220558489.4U patent/CN217428128U/en active Active
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