CN114019620A - Assembly of multi-core integrated wireless optical transmission module - Google Patents
Assembly of multi-core integrated wireless optical transmission module Download PDFInfo
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- CN114019620A CN114019620A CN202111258997.7A CN202111258997A CN114019620A CN 114019620 A CN114019620 A CN 114019620A CN 202111258997 A CN202111258997 A CN 202111258997A CN 114019620 A CN114019620 A CN 114019620A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
Abstract
A multi-core integrated wireless optical transmission module assembly comprises a transmitting assembly and a receiving assembly, wherein a digital optical wireless transmitting module, a radio frequency optical wireless transmitting module and a transmitting mainboard assembly are arranged on a shell of the transmitting assembly in an array integrated mode, and correspondingly, a digital optical wireless receiving module, a radio frequency optical wireless receiving module and a receiving mainboard assembly are arranged on a shell of the receiving assembly in an array integrated mode; the digital light wireless transmitting modules correspond to the digital light wireless receiving modules one to one, and the radio frequency light wireless transmitting modules correspond to the radio frequency light wireless receiving modules one to one. The invention utilizes the light and thin digital light wireless transmitting and receiving module and the radio frequency light wireless transmitting and receiving module to realize short-distance multi-core array integration, can simultaneously transmit and receive multi-path high-speed digital signals and radio frequency signals, realizes high-speed, ultra-thin and ultra-small integrated wireless transmission of the digital signals and the radio frequency signals, resists electromagnetic radiation interference and avoids contact, and meets the core requirements of miniaturization, micro-assembly, high performance and low cost.
Description
Technical Field
The invention relates to the field of wireless optical communication, in particular to a component of a multi-core integrated wireless optical transmission module.
Background
Wireless optical communication refers to communication in which information is transmitted using light in the optical domain using the principle of free-space optical interconnection with free space as a transmission medium. The free space optical interconnection principle refers to an interconnection mode that an optical signal is emitted from a transmitter, then is transmitted in a free space, passes through some optical components such as lenses, reflectors and the like, changes a light path, controls the light beam and finally reaches a receiver; specifically, an input signal is connected to the light emitting assembly through an interface circuit of the light emitting assembly, a driving circuit of the light emitting assembly drives a light source to emit light, so that the signal is modulated onto a light emitting source and is wirelessly transmitted to the light receiving assembly after passing through a transmitting optical system, a receiving optical system of the light receiving assembly converges the received light signal onto a detector, the received light signal is demodulated by the detector and is restored into a digital signal, and the digital signal is output through the interface circuit of the light receiving assembly and is transmitted to terminal equipment.
The existing wireless optical communication is mainly realized in a mode of converting digital signals into light, a digital optical module and a radio frequency optical module of a traditional optical fiber interface are developed more maturely, but a future generation of airborne radar gradually develops towards digitization, light weight, large broadband, integration, multiple functions, multiple platforms and high performance. In order to realize the lightness and thinness of the radar array surface, the transmission of the wireless integrated module adopting a flat mode is one of the main development directions in the future.
Disclosure of Invention
Aiming at the technical problem that the existing wireless optical communication cannot transmit radio frequency signals, the invention aims to provide a component of a multi-core integrated wireless optical transmission module.
The purpose of the invention is realized by adopting the following technical scheme. The assembly of the multi-core integrated wireless optical transmission module comprises a transmitting assembly and a receiving assembly, wherein a shell of the transmitting assembly is provided with a digital optical wireless transmitting module, a radio frequency optical wireless transmitting module and a transmitting mainboard assembly in an array integration way, and correspondingly, the shell of the receiving assembly is provided with a digital optical wireless receiving module, a radio frequency optical wireless receiving module and a receiving mainboard assembly in an array integration way; the digital optical wireless transmitting module is in one-to-one correspondence with the digital optical wireless receiving module, the radio frequency optical wireless transmitting module is in one-to-one correspondence with the radio frequency optical wireless receiving module, the digital optical wireless transmitting module converts a digital electric signal into a digital optical signal and transmits the digital optical signal, the digital optical wireless receiving module receives the corresponding digital optical signal and converts the digital optical signal into the digital electric signal, the radio frequency optical wireless transmitting module converts the radio frequency electric signal into a radio frequency optical signal and transmits the radio frequency optical signal, and the radio frequency optical wireless receiving module receives the corresponding radio frequency optical signal and converts the radio frequency optical signal into the radio frequency electric signal.
Furthermore, a digital electric signal inlet and a radio frequency electric signal inlet are arranged on the shell of the transmitting assembly, the digital electric signal inlet and the radio frequency electric signal inlet are connected with a cable and used for transmitting electric signals to corresponding modules in the transmitting assembly, the digital electric signal inlet is arranged corresponding to the digital optical wireless transmitting module, and the radio frequency electric signal inlet is arranged corresponding to the radio frequency optical wireless transmitting module.
Furthermore, a digital optical signal outlet and a radio frequency optical signal outlet are arranged on the shell of the transmitting component, the digital optical signal outlet corresponds to the position of the transmitting port of the optical signal of the corresponding digital optical wireless transmitting module, and the radio frequency optical signal outlet corresponds to the position of the transmitting port of the optical signal of the corresponding radio frequency optical wireless transmitting module.
Furthermore, a surface-mounted connector power supply and a digital signal interface as well as a high-speed signal filtering and monitoring circuit are arranged on the transmitting mainboard assembly, the surface-mounted connector power supply and the digital signal interface are arranged at the bottom of the transmitting mainboard assembly and are used as an external power supply interface and a digital signal interface of the whole transmitting assembly, and digital electric signals enter the corresponding digital optical wireless transmitting module for conversion after passing through the surface-mounted connector power supply and the digital signal interface as well as the high-speed signal filtering and monitoring circuit.
Further, an ATC temperature control circuit, an APC automatic power control circuit and an automatic bias control circuit which are connected with the corresponding radio frequency light wireless transmitting module are arranged on the transmitting main board assembly, and the radio frequency light wireless transmitting module is provided with a photodiode, a thermistor and an optical lens group; the photodiode is used for detecting optical signals and transmitting the optical signals to the automatic bias control circuit, and the automatic bias control circuit provides bias voltage for the radio frequency light wireless transmitting module; the thermistor is connected with the ATC temperature control circuit and provides temperature data for the ATC temperature control circuit; the converted optical signal is output through the optical lens group.
Furthermore, a digital optical signal inlet and a radio frequency optical signal inlet are arranged on the shell of the receiving assembly, the digital optical signal inlet corresponds to the optical signal inlet of the corresponding digital optical wireless receiving module, and the radio frequency optical signal inlet corresponds to the optical signal inlet of the corresponding radio frequency optical wireless transmitting module.
Furthermore, a digital electrical signal outlet and a radio frequency electrical signal outlet are arranged on the shell of the receiving assembly and are connected with the cable, the digital electrical signals converted by the digital optical wireless receiving module are output through the corresponding digital electrical signal outlets, and the radio frequency electrical signals converted by the radio frequency optical wireless receiving module are output through the corresponding radio frequency electrical signal outlets.
Furthermore, a surface-mounted connector power supply and a digital signal interface are arranged on the receiving mainboard assembly, the surface-mounted connector power supply and the digital signal interface are arranged at the bottom of the receiving mainboard assembly and serve as an external power supply interface and a digital signal interface of the whole receiving assembly, and the digital electric signal converted by the digital optical wireless receiving module is output after passing through the surface-mounted connector power supply and the digital signal interface.
Furthermore, a bias control circuit and an amplifying and equalizing circuit are arranged on the receiving main board assembly, and the radio-frequency electric signal converted by the digital optical wireless receiving module is output after sequentially passing through the bias control circuit and the amplifying and equalizing circuit.
Furthermore, all set up the optical interface on digital light wireless transmitting module, the wireless transmitting module of radio frequency light, the wireless receiving module of digital light, the wireless receiving module of radio frequency light, all set up the optical interface for launching or receiving the optical signal, set up the optical window in the optical interface, the optical window diameter is 6mm, set up aspheric lens in the optical window, the scattered optical signal that digital light wireless transmitting module, the wireless transmitting module of radio frequency light sent sends after aspheric lens focuses, the aspheric lens on digital light wireless receiving module, the wireless receiving module of radio frequency light is handled by receiving component after focusing the received optical signal.
Compared with the prior art, the invention has the advantages that:
the invention utilizes the light and thin digital light wireless transmitting and receiving module and the radio frequency light wireless transmitting and receiving module to design, realizes the integration of a short-distance multi-core array, can simultaneously transmit and receive multi-path high-speed digital signals and radio frequency signals, realizes the high-speed, ultra-thin and ultra-small electromagnetic radiation interference resistance and contact-free integrated wireless transmission of the digital signals and the radio frequency signals, meets the core requirements of miniaturization, micro-assembly, high performance and low cost, and meets the application of the next generation airborne radar system;
the digital signals and the radio frequency signals adopt free space optical communication, data transmission is carried out through light beams transmitted in the free space, the method is suitable for connection between chips or between circuit boards on the level, the interconnection density can be close to the diffraction limit of light, the limitation of a channel on the bandwidth does not exist, and reconstruction interconnection is easy to realize;
the invention can realize high-speed, miniaturized and long-distance point-to-point wireless optical signal communication, can replace the traditional optical fiber connector and cable, and has the digital signal transmission speed of 10Gbps level and the radio frequency signal transmission speed of 8-12 GHz;
the miniaturized design of the invention is more convenient for application in various environments and fields, thereby realizing the development trend of complete cableless and connectorless.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic block diagram of a four-core transmitting assembly in an embodiment of an assembly of a multi-core integrated wireless optical transmission module according to the present invention;
FIG. 2 is a perspective view of the quad-core transmit assembly of FIG. 1;
FIG. 3 is a perspective view, partially in section, of the quad-core transmit assembly of FIG. 1;
FIG. 4 is a schematic block diagram of a four-core receiver assembly in an embodiment of an assembly of a multi-core integrated wireless optical transmission module according to the present invention;
FIG. 5 is a perspective view of the quad core receiver assembly of FIG. 4;
FIG. 6 is a perspective view, partially in section, of the quad core receiver assembly of FIG. 4;
fig. 7 is a schematic optical path diagram between a receiving component and a transmitting component in an embodiment of components of a multi-core integrated wireless optical transmission module according to the present invention;
fig. 8 is a front view of an embodiment of an assembly of a multi-core integrated wireless optical transmission module of the present invention in use;
fig. 9 is a perspective view of fig. 8.
[ reference numerals ]
1-transmitting component, 101-transmitting main board component, 102-digital optical wireless transmitting module TI, 103-digital optical wireless transmitting module TII, 104-radio frequency optical wireless transmitting module TIII, 105-radio frequency optical wireless transmitting module TIV, 106-housing I, 2-receiving component, 201-receiving main board component, 202-digital optical wireless receiving module RI, 203-digital optical wireless receiving module RII, 204-radio frequency optical wireless receiving module RIII, 205-radio frequency optical wireless receiving module RIV, 206-housing II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of an assembly of a multi-core integrated wireless optical transmission module according to the present invention is shown in fig. 1 to 9, and includes a transmitting assembly 1 and a receiving assembly 2, each of the assemblies is provided with a housing, the housing is made of an aluminum alloy material, and has advantages of small size, light weight, good replaceability, and the like, each part of the transmitting assembly 1 is integrally provided on a housing I106, and each part of the receiving assembly 2 is integrally provided on a housing II206, thereby realizing miniaturization and lightness in structure.
The integrated digital light wireless transmitting module, the radio frequency light wireless transmitting module and the transmitting mainboard assembly 101 that are provided with are arranged on the housing I106 in an array manner, and in this embodiment, the transmitting assembly 1 is a four-core transmitting assembly, and two digital light wireless transmitting modules and two radio frequency light wireless transmitting modules are arranged. Fig. 1 shows a schematic circuit block diagram of a quad-core transmitter assembly, fig. 2 and fig. 3 are perspective views of the quad-core transmitter assembly, two digital optical wireless transmitter modules are a digital optical wireless transmitter module TI102 and a digital optical wireless transmitter module TII103 in fig. 2 and fig. 3, and two radio frequency optical wireless transmitter modules are a radio frequency optical wireless transmitter module TIII104 and a radio frequency optical wireless transmitter module TIV105 in fig. 2 and fig. 3. The size of each digital light wireless transmitting module is 8 × 6mm, the size of each radio frequency light wireless transmitting module is 12 × 12.2 × 6.5mm, and the two modules are of flat and miniaturized structures.
The housing I106 provides a digital electrical signal inlet and a radio frequency electrical signal inlet to the outside, as shown in fig. 1, the digital electrical signal inlet includes a digital electrical signal inlet I and a digital electrical signal inlet II, and the radio frequency electrical signal inlet includes a radio frequency electrical signal inlet I and a radio frequency electrical signal inlet II. The digital electric signal inlet and the radio frequency electric signal inlet are used for connecting a cable and transmitting the input digital electric signal and the input radio frequency electric signal to the light emitting assembly 1 for processing and conversion. The housing I106 is further provided with a digital optical signal outlet and a radio frequency optical signal outlet for outputting the converted optical signal, as shown in fig. 1, the digital optical signal outlet includes a digital optical signal outlet I and a digital optical signal outlet II, and the radio frequency optical signal outlet includes a radio frequency optical signal outlet I and a radio frequency optical signal outlet II.
The transmitting main board assembly 101 is provided with a surface-mounted connector power supply and digital signal interface, a high-speed signal filtering and monitoring circuit, an ATC temperature control circuit, an APC automatic power control circuit and an automatic bias control circuit. The surface-mounted connector power supply and digital signal interface are arranged at the bottom of the transmitting main board assembly 101 and are used as an external power supply interface and a digital signal interface of the whole transmitting assembly 1. The high-speed signal filtering and monitoring circuit is arranged between the surface-mounted connector electric power supply and the digital signal interface and the digital wireless light emitting module, digital electric signals input from the digital electric signal inlet I and the digital electric signal inlet II pass through the surface-mounted connector electric power supply and the digital signal interface and then are input into the high-speed signal filtering and monitoring circuit and then enter the corresponding digital wireless light emitting module TI102 and the digital wireless light emitting module TII103, so that the digital electric signals are stably converted into digital optical signals, the digital optical signal outlet I and the digital optical signal outlet II correspond to the emitting port positions of the corresponding digital wireless light emitting module TI102 and the digital wireless light emitting module TII103, and the digital optical signals are output from the corresponding digital optical signal outlet I and the digital optical signal outlet II.
The ATC temperature control circuit, the APC automatic power control circuit and the automatic bias control circuit are respectively provided with two sets and respectively connected with the corresponding radio frequency light wireless transmitting module TIII104 and the radio frequency light wireless transmitting module TIV105, each radio frequency light wireless transmitting module is provided with a Photodiode (PD), a thermistor and an optical lens group, the photodiode is used for detecting optical signals and transmitting the optical signals to the automatic bias control circuit, and the automatic bias control circuit provides bias voltage for the radio frequency light wireless transmitting module according to the received optical signals; the thermistor is connected with the ATC temperature control circuit, provides temperature data for the ATC temperature control circuit and is convenient for controlling the temperature of the radio frequency light wireless transmitting module; the radio frequency electric signal is converted into an optical signal and then is output through the optical lens group. The radio frequency signals transmitted from the radio frequency signal inlet I and the radio frequency signal inlet II are transmitted to the corresponding radio frequency light wireless transmitting modules, the radio frequency light wireless transmitting modules convert the radio frequency signals into radio frequency light signals, the radio frequency light signal outlets I and II correspond to the corresponding positions of the transmitting ports of the radio frequency light wireless transmitting modules TIII104 and TIV105, and the radio frequency light signals are output from the corresponding radio frequency light signal outlets I and II.
The housing II206 is provided with a digital optical wireless receiving module, a radio frequency optical wireless receiving module, and a receiving motherboard assembly 201 in an integrated manner, in this embodiment, the receiving assembly is also a four-core receiving assembly corresponding to the transmitting assembly, and two digital optical wireless receiving modules and two radio frequency optical wireless receiving modules are provided. Fig. 4 shows a schematic circuit block diagram of the quad core receiving module, and fig. 5 and 6 are perspective views of the quad core receiving module. The two digital optical wireless receiving modules are the digital optical wireless receiving module RI202 and the digital optical wireless receiving module RII203 in fig. 5 and 6, and the two rf optical wireless receiving modules are the rf optical wireless receiving module RIII204 and the rf optical wireless receiving module RIV205 in fig. 5 and 6. The size of each digital optical wireless receiving module is 8 × 6mm, the size of each radio frequency optical wireless receiving module is 12 × 12.2 × 6.5mm, and the two modules are of flat and miniaturized structures.
The housing II206 provides a digital optical signal inlet and a radio frequency optical signal inlet to the outside, as shown in fig. 4, the digital optical signal inlet includes a digital optical signal inlet I and a digital optical signal inlet II, and the radio frequency optical signal inlet includes a radio frequency optical signal inlet I and a radio frequency optical signal inlet II. The digital optical signal inlet and the radio frequency optical signal inlet correspond to the receiving port positions of the optical signals in the corresponding digital optical wireless receiving module and the radio frequency optical wireless receiving module, and are used for receiving the digital optical signal and the radio frequency optical signal transmitted from the light emitting component and transmitting the received digital optical signal and the received radio frequency optical signal to the light receiving component 2 for processing and conversion. The housing II206 is further provided with a digital electrical signal outlet and a radio frequency electrical signal outlet, the digital electrical signal outlet and the radio frequency electrical signal outlet are connected to corresponding cables, and are configured to output the converted digital electrical signal and the converted radio frequency electrical signal, as shown in fig. 4, the digital electrical signal outlet includes a digital electrical signal outlet I and a digital electrical signal outlet II, and the radio frequency electrical signal outlet includes a radio frequency electrical signal outlet I and a radio frequency electrical signal outlet II.
The receiving motherboard assembly 201 is provided with a surface-mounted connector power supply, a digital signal interface, a bias control circuit and an amplifying and equalizing circuit. The surface-mounted connector power supply and digital signal interface are arranged at the bottom of the receiving main board assembly 201 and serve as an external power supply interface and a digital signal interface of the whole receiving assembly 2, and the digital signal interface is used for outputting a digital electrical signal after the digital optical signal is converted into the digital electrical signal. The surface-mounted connector power supply and the digital signal interface are arranged between the digital optical wireless receiving module and the digital electrical signal outlet, after digital optical signals transmitted from the digital optical signal inlet I and the digital optical signal inlet II are converted into electrical signals through the corresponding digital optical wireless receiving modules, the electrical signals are output from the corresponding digital electrical signal outlet I and the digital electrical signal outlet II through the surface-mounted connector power supply and the digital signal interface.
And a bias control circuit and an amplifying and equalizing circuit are sequentially connected between each radio frequency light wireless receiving module and the corresponding radio frequency electrical signal outlet. Two paths of radio frequency optical signals enter the corresponding radio frequency optical wireless receiving module from the corresponding radio frequency optical signal inlet I and the corresponding radio frequency optical signal inlet II and are converted into corresponding radio frequency electric signals, and the radio frequency electric signals are processed by the corresponding bias control circuit and the corresponding amplifying and equalizing circuit and then are output from the corresponding radio frequency electric signal outlet I and the corresponding radio frequency electric signal outlet II.
Each digital light wireless transmitting module, each radio frequency light wireless transmitting module, each digital light wireless receiving module and each radio frequency light wireless receiving module are provided with an optical interface, so that the light transmitting assembly 1 and the light receiving assembly 2 are provided with four optical interfaces. The optical interfaces of the digital optical wireless transmitting module and the radio frequency optical wireless transmitting module correspond to the corresponding digital optical signal outlets and radio frequency optical signal outlets on the optical transmitting assembly one by one, so that optical signals transmitted by the digital optical wireless transmitting module and the radio frequency optical wireless transmitting module can be conveniently transmitted out from the corresponding digital optical signal outlets and radio frequency optical signal outlets; the optical interfaces of the digital optical wireless receiving module and the radio frequency optical wireless receiving module correspond to the corresponding digital optical signal inlets and radio frequency optical signal inlets on the optical receiving assembly one by one, so that optical signals sent from the digital optical wireless transmitting module and the radio frequency optical wireless transmitting module can be received conveniently; the size of the optical window in the optical interface is 6 mm. When the digital optical wireless transmitting module is used, the optical window of the digital optical wireless transmitting module is aligned with the optical window of the corresponding digital optical wireless receiving module, the optical window of the radio frequency optical wireless transmitting module is aligned with the optical window of the corresponding radio frequency optical wireless receiving module, and the deviation of +/-2 mm is allowed during alignment. The light window is internally provided with an aspheric lens with customized parameters, when the distance between the transmitting component and the receiving component is 100mm, the light spot on the aspheric lens on the receiving component can be controlled to be 5.3mm in diameter, and the light receiving efficiency of the receiving component can reach 60 percent. The optical simulation effect of the optical paths of the aspheric lens on the transmitting component and the aspheric lens on the receiving component is shown in fig. 7, and after passing through the aspheric lens, the light signals emitted from the transmitting component are focused and converted into more convergent light by the originally divergent light, and finally the convergent light can be basically projected onto the aspheric lens on the receiving component and then focused into the receiving component.
As shown in fig. 8 to 9, the four-core transmitting assembly and the four-core receiving assembly are disposed opposite to each other, wherein the optical windows of the two digital optical wireless transmitting modules on the four-core transmitting assembly are respectively aligned with the optical windows of the two digital optical wireless receiving modules on the four-core receiving assembly, and the optical windows of the two radio frequency optical wireless transmitting modules on the four-core transmitting assembly are respectively aligned with the optical windows of the two radio frequency optical wireless receiving modules on the four-core receiving assembly. The optical window of the four-core transmitting assembly emits optical signals, and the optical signals irradiate the optical window of the four-core receiving assembly to complete transmission of the optical signals in air or vacuum.
The invention is not limited to the four-core transmitting assembly and the four-core receiving assembly, the transmitting assembly can be provided with a digital light wireless transmitting module and a radio frequency light wireless transmitting module, and correspondingly, the receiving assembly can be provided with a digital light wireless receiving module and a radio frequency light wireless receiving module, so that the transmitting assembly and the receiving assembly can realize the use scene of two-transmitting and two-receiving. Meanwhile, the application scenario of any combination of multiple sending and multiple receiving can be expanded, for example, eight sending and eight receiving. Therefore, the invention can realize the extensible component application mode, and when the daughter board and the daughter board in the system need the wireless optical communication of multi-channel mixed signals according to the requirements of the next generation of the airborne system, the invention can realize the electro-optical conversion, the wireless transmission and the photoelectric conversion of digital and radio frequency signals, therefore, the invention is suitable for various airborne application scenes.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An assembly of a multi-core integrated wireless optical transmission module, comprising: the device comprises a transmitting component (1) and a receiving component (2), wherein a digital light wireless transmitting module, a radio frequency light wireless transmitting module and a transmitting mainboard component (101) are arranged on a shell of the transmitting component in an array integration manner, and correspondingly, a digital light wireless receiving module, a radio frequency light wireless receiving module and a receiving mainboard component (201) are arranged on a shell of the receiving component in an array integration manner; the digital optical wireless transmitting module is in one-to-one correspondence with the digital optical wireless receiving module, the radio frequency optical wireless transmitting module is in one-to-one correspondence with the radio frequency optical wireless receiving module, the digital optical wireless transmitting module converts a digital electric signal into a digital optical signal and transmits the digital optical signal, the digital optical wireless receiving module receives the corresponding digital optical signal and converts the digital optical signal into the digital electric signal, the radio frequency optical wireless transmitting module converts the radio frequency electric signal into a radio frequency optical signal and transmits the radio frequency optical signal, and the radio frequency optical wireless receiving module receives the corresponding radio frequency optical signal and converts the radio frequency optical signal into the radio frequency electric signal.
2. The assembly of a multi-core integrated wireless optical transmission module of claim 1, wherein: the shell of the transmitting assembly (1) is provided with a digital electric signal inlet and a radio frequency electric signal inlet, the digital electric signal inlet and the radio frequency electric signal inlet are connected with a cable and used for transmitting electric signals to corresponding modules in the transmitting assembly (1), the digital electric signal inlet is arranged corresponding to the digital light wireless transmitting module, and the radio frequency electric signal inlet is arranged corresponding to the radio frequency light wireless transmitting module.
3. The assembly of a multi-core integrated wireless optical transmission module of claim 1, wherein: a digital optical signal outlet and a radio frequency optical signal outlet are arranged on a shell of the transmitting component (1), the digital optical signal outlet corresponds to the position of an emitting port of an optical signal of a corresponding digital optical wireless transmitting module, and the radio frequency optical signal outlet corresponds to the position of an emitting port of an optical signal of a corresponding radio frequency optical wireless transmitting module.
4. The assembly of a multi-core integrated wireless optical transmission module of claim 1, wherein: the transmitting main board assembly (101) is provided with a surface-mounted connector power supply, a digital signal interface and a high-speed signal filtering and monitoring circuit, the surface-mounted connector power supply and the digital signal interface are arranged at the bottom of the transmitting main board assembly (101) and serve as an external power supply interface and a digital signal interface of the whole transmitting assembly (1), and a digital electric signal enters a corresponding digital optical wireless transmitting module for conversion after passing through the surface-mounted connector power supply, the digital signal interface and the high-speed signal filtering and monitoring circuit.
5. The assembly of a multi-core integrated wireless optical transmission module of claim 1, wherein: the transmitting main board assembly (101) is provided with an ATC temperature control circuit, an APC automatic power control circuit and an automatic bias control circuit which are connected with corresponding radio frequency light wireless transmitting modules, and each radio frequency light wireless transmitting module is provided with a photodiode, a thermistor and an optical lens group; the photodiode is used for detecting optical signals and transmitting the optical signals to the automatic bias control circuit, and the automatic bias control circuit provides bias voltage for the radio frequency light wireless transmitting module; the thermistor is connected with the ATC temperature control circuit and provides temperature data for the ATC temperature control circuit; the converted optical signal is output through the optical lens group.
6. The assembly of a multi-core integrated wireless optical transmission module of claim 1, wherein: a digital optical signal inlet and a radio frequency optical signal inlet are arranged on a shell of the receiving component (2), the digital optical signal inlet corresponds to the optical signal inlet of the corresponding digital optical wireless receiving module in position, and the radio frequency optical signal inlet corresponds to the optical signal inlet of the corresponding radio frequency optical wireless transmitting module in position.
7. The assembly of a multi-core integrated wireless optical transmission module of claim 1, wherein: the shell of the receiving component (2) is provided with a digital electric signal outlet and a radio frequency electric signal outlet, the digital electric signal outlet and the radio frequency electric signal outlet are connected with a cable, the digital electric signal converted by the digital optical wireless receiving module is output through the corresponding digital electric signal outlet, and the radio frequency electric signal converted by the radio frequency optical wireless receiving module is output through the corresponding radio frequency electric signal outlet.
8. The assembly of a multi-core integrated wireless optical transmission module of claim 1, wherein: the receiving main board assembly (201) is provided with a surface-mounted connector power supply and a digital signal interface, the surface-mounted connector power supply and the digital signal interface are arranged at the bottom of the receiving main board assembly (201) and serve as an external power supply interface and a digital signal interface of the whole receiving assembly (2), and a digital electric signal converted by the digital optical wireless receiving module is output after passing through the surface-mounted connector power supply and the digital signal interface.
9. The assembly of a multi-core integrated wireless optical transmission module of claim 1, wherein: the receiving mainboard assembly (201) is provided with a bias control circuit and an amplifying and equalizing circuit, and the radio-frequency electric signals converted by the digital optical wireless receiving module are output after sequentially passing through the bias control circuit and the amplifying and equalizing circuit.
10. The assembly of a multi-core integrated wireless optical transmission module of claim 1, wherein: the digital light wireless transmitting module, the radio frequency light wireless transmitting module, the digital light wireless receiving module and the radio frequency light wireless receiving module are all provided with optical interfaces for transmitting or receiving optical signals, an optical window is arranged in each optical interface, the diameter of each optical window is 6mm, an aspheric lens is arranged in each optical window, divergent optical signals sent by the digital light wireless transmitting module and the radio frequency light wireless transmitting module are sent out after being focused by the aspheric lens, and the received optical signals are focused by the aspheric lenses on the digital light wireless receiving module and the radio frequency light wireless receiving module and then are processed by the receiving component (2).
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| CN202111258997.7A CN114019620A (en) | 2021-10-27 | 2021-10-27 | Assembly of multi-core integrated wireless optical transmission module |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917232A (en) * | 2010-09-16 | 2010-12-15 | 中国电子科技集团公司第八研究所 | High-speed digital-analog mixed-light transceiver device |
| CN112596172A (en) * | 2020-12-14 | 2021-04-02 | 中航光电科技股份有限公司 | Optical wireless photoelectric integrated link and implementation device thereof |
| CN112702123A (en) * | 2020-12-18 | 2021-04-23 | 中航光电科技股份有限公司 | Digital-analog hybrid integrated optical transceiver SIP component |
-
2021
- 2021-10-27 CN CN202111258997.7A patent/CN114019620A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917232A (en) * | 2010-09-16 | 2010-12-15 | 中国电子科技集团公司第八研究所 | High-speed digital-analog mixed-light transceiver device |
| CN112596172A (en) * | 2020-12-14 | 2021-04-02 | 中航光电科技股份有限公司 | Optical wireless photoelectric integrated link and implementation device thereof |
| CN112702123A (en) * | 2020-12-18 | 2021-04-23 | 中航光电科技股份有限公司 | Digital-analog hybrid integrated optical transceiver SIP component |
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