CN210297691U - Phased array multiband TR module - Google Patents
Phased array multiband TR module Download PDFInfo
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- CN210297691U CN210297691U CN201920290659.3U CN201920290659U CN210297691U CN 210297691 U CN210297691 U CN 210297691U CN 201920290659 U CN201920290659 U CN 201920290659U CN 210297691 U CN210297691 U CN 210297691U
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Abstract
The utility model discloses a phased array multifrequency section TR module can set up the transmission path who is applicable to different frequency channels respectively, and the signal that corresponds the frequency channel can be conducted and handle in these transmission paths respectively, consequently only need in the practical application process directly install the TR module of this application embodiment in phased array antenna use can, avoided complicated installation. Further, the TR module in this application still is provided with the first energy storage structure that adopts the outstanding material of thermal conductivity to make the TR module from the heat quick transfer of other subassembly positions to this energy storage structure in, reach a large amount of heat energies of quick absorption and quick radiating purpose. Therefore, the multi-band TR module in the embodiment of the application has the technical effects of reducing the installation complexity of the TR module, effectively reducing the temperature and improving the overall performance of the phased array antenna.
Description
Technical Field
The utility model relates to an electronic communication technical field especially relates to a phased array multifrequency section TR module.
Background
At present, in a conventional phased array TR module, mutually independent structural cavities are generally adopted for signals of different frequency bands, and a TR chip and a microwave circuit corresponding to the frequency band are respectively installed in each structural cavity to perform packaging, so that the signals of the corresponding frequency band are correspondingly processed. If under the environment that needs to realize multiband signal processing, the mode of directly splicing and integrating a plurality of frequency band independent signal processing structure cavities is usually adopted in the prior art, so that a structure cavity capable of processing multiband signals is formed, but the directly integrated structure cavity often causes the integrated TR module to have large volume, heavy weight and high cost, and is very not favorable for the development trend of miniaturization, integration and low cost of the phased array radar. Meanwhile, after the signal processing modules of different frequency bands are integrally packaged, the mutual interference of multi-band signals in the process of receiving and processing at the same time can be caused, or the situation that the electrical performance of the TR module is influenced by ultrahigh heat caused by the integration of more processing devices can be caused, and the like. Therefore, the structure is high in cost and complex in installation, limits the overall layout of the phased array antenna, and even influences the overall performance of the phased array antenna.
Therefore, the technical problems that the phased array TR module integrated with the cavity of the multi-band signal processing structure is high in cost, complex to install and poor in electronic communication performance of the whole machine exist in the prior art.
SUMMERY OF THE UTILITY MODEL
The application provides a phased array multiband TR module for solve the technical problems that the phased array TR module of an integrated multiband signal processing structure cavity in the prior art is large in size and high in cost, and the electronic communication performance of the whole machine is poor.
The present application provides in a first aspect a phased array multiband TR module comprising:
a housing;
the first signal transmission cavity further comprises a first power division structure and first signal processing equipment, the first signal input end is used for inputting signals belonging to a first frequency range, the first power division structure is used for dividing the input signal power into two or more paths of signals, the first signal processing equipment is used for processing the signals subjected to power division by the first power division structure to generate a first output signal, and the first signal output end is used for outputting the first output signal;
a second frequency band channel, disposed in the housing, including a second signal input end, a second signal output end, and a second signal transmission cavity connecting the second signal input end and the second signal output end, where the second signal transmission cavity further includes a second power division structure and a second signal processing device, the second signal input end is configured to input a signal belonging to a second frequency band range, the second power division structure is configured to divide the input signal into two or more signals, the second signal processing device is configured to process the signal divided by the second power division structure to generate a second output signal, and the second signal output end is configured to output a first output signal, where the first frequency band range is different from the second frequency band range;
and the first energy storage structure is adjacently arranged on the cavity side where the first signal processing equipment and/or the second signal processing equipment are/is located and used for receiving and storing the heat energy emitted by the first signal processing equipment and/or the second signal processing equipment.
Optionally, the first power dividing structure includes:
the first initial power division network is connected with the first signal input end and is used for dividing a signal transmitted into two first initial power division signals;
the first transmission cavity is connected with the first initial power distribution network and comprises two transmission channels, and the two transmission channels are used for respectively transmitting a first initial power distribution signal;
the two first secondary power distribution networks are respectively connected with one transmission channel of the first conveying cavity in a one-to-one correspondence manner, and are used for dividing one first initial power distribution signal into four first secondary power distribution signals;
the second power dividing structure includes:
the second initial power division network is connected with the second signal input end and used for dividing one incoming signal into two second initial power division signals;
the second conveying cavity is connected with the second initial power distribution network and comprises two transmission channels, and the two transmission channels are used for respectively transmitting a second initial power distribution signal;
the two secondary power distribution networks are respectively connected with one transmission channel of the second conveying cavity in a one-to-one correspondence manner, and are used for dividing a second initial power distribution signal into four secondary power distribution signals;
the first signal processing device processes the eight received first secondary power division signals as the first power division signals to generate eight first output signals, and the second signal processing device processes the eight received second secondary power division signals as the second power division signals to generate eight second output signals.
Optionally, the first cavity in which the first frequency band path is located and the second cavity in which the second frequency band path is located are located on the same first plane.
Optionally, when the heat dissipation amount of the second signal processing device during operation is greater than the heat dissipation amount of the first signal processing device during operation, on the first plane, the first cavity is located at a position around the outside of the second cavity and is adjacent to the outer wall of the housing;
the second frequency band path further comprises:
and the isolation structure is arranged in the cavity where the second signal processing equipment is positioned, is adjacent to the side where the first signal processing equipment is positioned, and is used for blocking heat dissipated from the second signal processing equipment to the first signal processing equipment.
Optionally, the second signal transmission cavity further comprises:
the second signal transmission cavity is communicated with the second signal processing equipment and the second signal output end and comprises an inclined cavity structure and a flat cavity structure, wherein an included angle which belongs to a preset angle range is formed between an axial line of the inclined cavity structure and the first plane; the axial line of the flat cavity structure is parallel to the first plane, so that the signal transmitted to the flat cavity structure through the inclined cavity structure is transmitted to the second signal output end along the direction parallel to the first plane.
Optionally, the TR module further comprises:
and the second energy storage structure is arranged adjacent to the first energy storage structure and used for receiving and storing the heat energy emitted by the first energy storage structure.
Optionally, the bottom surface of the first energy storage structure close to the first signal processing device and the bottom surface of the second energy storage structure are located on a second plane, and the second plane is parallel to the first plane.
Optionally, the height of the first energy storage structure relative to the second plane is greater than the height of the second energy storage structure relative to the second plane.
Optionally, the TR module further comprises:
and the matching structure is arranged at the position opposite to the first energy storage structure and the second energy storage structure and is positioned on the shell, and the matching structure is a groove which is symmetrical to the first energy storage structure and the second energy storage structure in shape.
Optionally, the first energy storage structure and/or the second energy storage structure are connected with a heat sink.
Optionally, the first signal transmission cavity, the second signal transmission cavity and the transmission cavity are further provided with a baseband board and a microstrip correspondingly, so as to implement transmission and isolation of signals.
A second aspect of an embodiment of the present application provides a signal transmission method, which is applied to the TR module in the first aspect, and includes:
inputting a first signal belonging to a first frequency band range through a first frequency band path and/or inputting a second signal belonging to a second frequency band range through a second frequency band path, wherein the first frequency band range is different from the second frequency band range;
dividing the first signal into a plurality of first power division signals by a first power division structure in the first frequency band path, and/or dividing the second signal into a plurality of second power division signals by a second power division network in the second frequency band path;
and processing the first power division signal by a first signal processing device in the first frequency band channel to generate a first output signal and outputting the first output signal through a first signal output end, and/or processing the second power division signal by a second signal processing device in the second frequency band channel to generate a second output signal and outputting the second output signal through a second signal output end.
Optionally, the dividing, by a first power division structure in the first frequency band path, the first signal into a plurality of first power division signals includes:
dividing the first signal into two first power division signals through a first power division network in the first power division structure;
dividing a first primary power division signal into four first secondary power division signals respectively through two first secondary power division networks to obtain eight first secondary power division signals;
and taking the eight first secondary power division signals as the plurality of first power division signals.
Optionally, the dividing, by a second power division network in the second frequency band path, the second signal into a plurality of second power division signals includes:
dividing the second signal into two second initial power division signals through a second initial power division network in the second power division structure;
respectively dividing a second primary power division signal into four second power division signals through two second power division networks to obtain eight second power division signals;
and taking the eight second power division signals as the plurality of second power division signals.
Optionally, the obtaining eight first secondary power division signals by respectively dividing one first initial power division signal into four first secondary power division signals through two first secondary power division networks includes:
and respectively carrying out first primary amplification processing and/or first primary phase modulation processing on the four corresponding first secondary power division signals through the two first secondary power division networks to obtain eight first secondary power division signals.
Optionally, the power dividing the first primary power division signal into four first secondary power division signals by two first secondary power division networks, to obtain eight first secondary power division signals, includes:
and respectively carrying out second primary amplification processing and/or second primary phase modulation processing on the four corresponding second power division signals through the two second power division networks to obtain eight second power division signals.
Optionally, the processing, by a first signal processing device in the first frequency band path, the first power division signal to generate a first output signal, and outputting the first output signal through a first signal output end, includes:
and performing, by the first signal processing device, a first secondary amplification process and/or a first secondary phase modulation process on the first power division signal to generate the first output signal.
Optionally, the processing, by a second signal processing device in the second frequency band path, the second power division signal to generate a second output signal, and outputting the second output signal through a second signal output end, includes:
and performing, by the second signal processing device, second secondary amplification processing and/or second secondary phase modulation processing on the second power division signal to generate the second output signal.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the TR module of this application embodiment can set up the transmission path that is applicable to different frequency channels respectively, and the signal that corresponds the frequency channel can be conducted and handle in these transmission paths respectively, consequently in the practical application process only need directly install the TR module of this application embodiment use in phased array antenna, avoided complicated installation. Furthermore, the TR module in the embodiment of the application is also provided with a first energy storage structure made of a material with excellent heat conducting performance, so that heat of the TR module from other assembly parts is quickly transferred to the energy storage structure, and the purposes of quickly absorbing a large amount of heat energy and quickly dissipating heat are achieved. Therefore, the multi-band TR module in the embodiment of the application has the technical effects of reducing the installation complexity of the TR module, effectively reducing the temperature and improving the overall performance of the phased array antenna.
The embodiment of the application at least has the following technical effects or advantages:
further, in the TR module of the embodiment of the present application, a first cavity in which the first frequency band path is located and a second cavity in which the second frequency band path is located are located on a first plane. Therefore, the TR module space volume of the embodiment of the application is flat, the installation and the use are convenient, and the technical effect of improving the reasonability of the TR module space layout is achieved.
Further, in the technical solution of the embodiment of the present application, the second frequency band path further includes an isolation structure, the isolation structure is disposed in the cavity where the second signal processing device is located and is adjacent to the side where the first signal processing device is located, and the isolation structure may be made of a thermal resistance material and is used for blocking heat dissipated from the second signal processing device to the first signal processing device. Therefore, the influence of heat radiation among different frequency band channels in the TR module in the embodiment of the application is further reduced, and the technical effect of further improving the overall performance of the phased array antenna is achieved.
Further, the height of the first energy storage structure relative to the second plane is greater than the height of the second energy storage structure relative to the second plane. Therefore, the second energy storage structure can be completely attached to the first energy storage structure, and the technical effect of improving the receiving efficiency of the second energy storage structure for receiving heat energy from the first energy storage structure is achieved.
Further, the technical scheme in this application embodiment can accomplish the perpendicular transition of electromagnetic signal from oblique cavity structure to flat cavity structure through oblique cavity structure to can realize that first signal output part and second signal output part arrange office design from top to bottom on the casing side, further improve the compactness of TR module in this application embodiment on spatial layout, consequently the TR module of this application embodiment still has the technological effect of the miniaturized structure that realizes the product.
Further, the TR module in this embodiment of the application is further designed with a matching structure, and the matching structure is a groove having a shape symmetrical to the first energy storage structure and the second energy storage structure. Through the groove design, the TR module in the embodiment of the application can be clamped and installed with other phased array antenna components compactly when being installed, so that the aim of further realizing the volume miniaturization of the TR module is fulfilled.
Drawings
Fig. 1 is a cross-sectional structure diagram of a phased array multiband TR module according to an embodiment of the present invention;
fig. 2 is a bottom structure diagram of a phased array multiband TR module according to an embodiment of the present invention;
fig. 3 is a left bottom structure view of a phased array multiband TR module according to an embodiment of the present invention;
fig. 4 is a schematic diagram of splicing two phased array multiband TR modules according to an embodiment of the present invention;
fig. 5 is a flowchart of a signal transmission method according to an embodiment of the present invention.
Detailed Description
The application provides a phased array multiband TR module for solve the technical problems that the phased array TR module of an integrated multiband signal processing structure cavity in the prior art is large in size and high in cost, and the electronic communication performance of the whole machine is poor.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
the TR module of this application embodiment can set up the transmission path that is applicable to different frequency channels respectively, and the signal that corresponds the frequency channel can be conducted and handle in these transmission paths respectively, consequently in the practical application process only need directly install the TR module of this application embodiment use in phased array antenna, avoided complicated installation. Furthermore, the TR module in the embodiment of the application is also provided with a first energy storage structure made of a material with excellent heat conducting performance, so that heat of the TR module from other assembly parts is quickly transferred to the energy storage structure, and the purposes of quickly absorbing a large amount of heat energy and quickly dissipating heat are achieved. Therefore, the multi-band TR module in the embodiment of the application has the technical effects of reducing the installation complexity of the TR module, effectively reducing the temperature and improving the overall performance of the phased array antenna.
The technical solutions of the present application are described in detail below with reference to the drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present application are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Example one
Referring to fig. 1, fig. 2, fig. 3, and fig. 4, an embodiment of the present application provides a phased array multiband TR module, including:
a housing 101;
a first frequency band channel 102, disposed in the housing, and including a first signal input end 1021, a first signal output end, and a first signal transmission cavity 1023 connecting the first signal input end and the first signal output end, where the first signal transmission cavity further includes a first power division structure 1024 and a first signal processing device 1025, the first signal input end is used to input a signal belonging to a first frequency band range, the first power division structure is used to divide the input signal power into two or more signals, the first signal processing device is used to process the signal subjected to power division by the first power division structure to generate a first output signal, and the first signal output end is used to output the first output signal;
a second frequency band channel 103, disposed in the housing, and including a second signal input terminal 1031, a second signal output terminal, and a second signal transmission cavity 1033 connecting the second signal input terminal and the second signal output terminal, where the second signal transmission cavity further includes a second power dividing structure 1034 and a second signal processing device 1035, the second signal input terminal is configured to input a signal belonging to a second frequency band range, the second power dividing structure is configured to divide the input signal into two or more paths of signals, the second signal processing device is configured to process the signal subjected to power division by the second power dividing structure to generate a second output signal, and the second signal output terminal is configured to output a first output signal, where the first frequency band range is different from the second frequency band range;
and the first energy storage structure 104 is adjacently arranged on the cavity side where the first signal processing device and/or the second signal processing device are/is located, and is used for receiving and storing the heat energy emitted by the first signal processing device and/or the second signal processing device.
It should be noted that, in the TR module of the embodiment of the present application, it can be known based on common general knowledge that the first frequency band path and the second frequency band path specifically include the first signal transmission cavity, the second signal transmission cavity, and the transmission cavity, and a baseband board and a microstrip for supplying power to a signal processing device and controlling signal transmission and isolation may be correspondingly disposed in the transmission cavity, so as to implement corresponding signal processing and isolation functions.
And the signal processing device in the embodiment of the present application may refer to one or more electromagnetic wave signal processing chips in the prior art.
The TR module of this application embodiment can be by the independent shaping of machining milling machine, when using at phased array antenna's received signal in-process, first signal input part with the signal transmission connector that second signal input part can weld commonly used accomplishes the signal input of corresponding frequency channel by the connector, and signal input part and connector welding reach input interface position department airtight. The first signal transmission cavity and the second signal transmission cavity can be matched with a microstrip circuit to realize transmission and isolation of electromagnetic signals. After different signal transmission connectors correspondingly input signals of different frequency bands to different frequency band channels, the signals can be respectively transmitted to corresponding power division structures through transmission cavities where the signals are located, corresponding power division processing and signal processing are respectively and independently completed, finally, the signals which are respectively processed are output from corresponding output ends, in addition, a first signal output end and a second signal output end in the embodiment of the application can also be welded with the signal transmission connectors to achieve the airtightness of output end interfaces, the input of signals of a plurality of frequency bands is finally completed, the signals are respectively divided into a plurality of paths of signals and output from a first signal output end and a second signal output end after processing, and the power distribution, the transmission matching and the isolation protection of electromagnetic signals are completed through the matching of a cavity structure and devices.
Correspondingly, when the TR module in the embodiment of the present application receives signals from the phased array antenna, multiple electromagnetic signals may be input from the first signal output terminal and the second signal output terminal, and then are processed by the signal processing devices in the respective frequency band paths, and then are synthesized by the corresponding power division structures, so that multiple signals are synthesized into 1-path signal in the frequency band path, and finally are output from the first signal input terminal and the second signal input terminal, so as to obtain 2-path received signals.
Therefore, the TR modules of the embodiment of the application can be respectively provided with the transmission paths suitable for different frequency bands, and signals of corresponding frequency bands can be respectively conducted and processed in the transmission paths, so that the TR modules of the embodiment of the application only need to be directly installed in the phased array antenna to be used in the actual application process, and the complex installation process is avoided. Furthermore, because the integrated signal processing paths with multiple frequency bands are provided, and each signal processing path is also provided with corresponding signal processing equipment, the signal processing equipment in the TR module of the embodiment of the present application is more than the processing equipment in the conventional TR module, and generates more heat in operation than the conventional TR module. Based on the situation, the TR module in the embodiment of the present application is further provided with a first energy storage structure made of a material with excellent thermal conductivity, so that heat of other component parts of the TR module is quickly transferred to the energy storage structure, or is stored or further transferred to other thermal energy processing components or spaces, thereby achieving the purpose of quickly absorbing a large amount of thermal energy and quickly dissipating heat, and the TR module in the embodiment of the present application can still maintain good electrical performance on the basis of integrating a plurality of frequency band processing channels. Therefore, the multi-band TR module in the embodiment of the application has the technical effects of reducing the installation complexity of the TR module, effectively reducing the temperature and improving the overall performance of the phased array antenna.
Further, in the TR module in this embodiment of the application, the first power division structure includes:
the first initial power division network is connected with the first signal input end and is used for dividing a signal transmitted into two first initial power division signals;
the first transmission cavity is connected with the first initial power distribution network and comprises two transmission channels, and the two transmission channels are used for respectively transmitting a first initial power distribution signal;
the two first secondary power distribution networks are respectively connected with one transmission channel of the first conveying cavity in a one-to-one correspondence manner, and are used for dividing one first initial power distribution signal into four first secondary power distribution signals;
the second power dividing structure includes:
the second initial power division network is connected with the second signal input end and used for dividing one incoming signal into two second initial power division signals;
the second conveying cavity is connected with the second initial power distribution network and comprises two transmission channels, and the two transmission channels are used for respectively transmitting a second initial power distribution signal;
the two secondary power distribution networks are respectively connected with one transmission channel of the second conveying cavity in a one-to-one correspondence manner, and are used for dividing a second initial power distribution signal into four secondary power distribution signals;
the first signal processing device processes the eight received first secondary power division signals as the first power division signals to generate eight first output signals, and the second signal processing device processes the eight received second secondary power division signals as the second power division signals to generate eight second output signals.
In this embodiment, the first initial power distribution network and the second initial power distribution network may have a one-to-two cavity structure, and the first secondary power distribution network and the second secondary power distribution network may have a one-to-four cavity structure.
That is, after the signals of the corresponding frequency band are respectively input to the first signal input terminal or the second signal input terminal, the signals can be divided into two paths of signals through the initial power division network control function, then respectively enter the 2 sub power division networks to respectively control the function to be divided into four paths of signals, and then respectively output to the corresponding signal output terminals, and finally 2 paths of signals are respectively input from the first signal input terminal and the second signal input terminal, and are divided into 16 paths of signals to be output from the first signal output terminal and the second signal output terminal.
Correspondingly, in the process of receiving signals by the phased array antenna, the TR module in the embodiment of the present application may input 16 received electromagnetic signals of corresponding frequency bands by the first signal output end and the second signal output end, then process the received electromagnetic signals by the signal processing devices in the respective frequency band channels, combine 4 electromagnetic signals into 1 electromagnetic signal by 2 power division networks in the channel, then combine the received 2 electromagnetic signals into 1 signal by 1 initial power division network, and finally output the signals from the first signal input end and the second signal input end respectively to obtain 2 received signals.
Further, in the TR module of the embodiment of the present application, a first cavity in which the first frequency band path is located and a second cavity in which the second frequency band path is located are located on a first plane. Therefore, the TR module space volume of the embodiment of the application is flat, the installation and the use are convenient, and the technical effect of improving the reasonability of the TR module space layout is achieved.
When the heat dissipation capacity of the second signal processing device during working is larger than that of the first signal processing device during working, the first cavity is arranged at a position around the outer side of the second cavity on the first plane and is adjacent to the outer wall of the shell; the second frequency band path further includes an isolation structure, the isolation structure is disposed in the cavity where the second signal processing device is located and is adjacent to the side where the first signal processing device is located, and the isolation structure may be made of a thermal resistance material and is used for blocking heat dissipated from the second signal processing device to the first signal processing device. Therefore, the influence of heat radiation among different frequency band channels in the TR module in the embodiment of the application is further reduced, and the technical effect of further improving the overall performance of the phased array antenna is achieved.
Further, the TR module further includes a second energy storage structure 105 disposed adjacent to the first energy storage structure for receiving and storing the heat energy dissipated by the first energy storage structure. In the TR module of the embodiment of the present application, the bottom surface of the first energy storage structure close to the first signal processing device and the bottom surface of the second energy storage structure are both located on a second plane, and the second plane is parallel to the first plane. The height of the first energy storage structure relative to the second plane is greater than the height of the second energy storage structure relative to the second plane.
Because the heat dissipation capacity of the second signal processing equipment during working is larger than that of the first signal processing equipment during working, after the first energy storage structure temporarily stores the heat generated by the second signal processing equipment, the heat can be transferred from the first energy storage structure to the second energy storage structure, so that the storage of the heat generated by the second signal processing equipment during working is finished, and the working time of the second signal processing equipment is prolonged. The isolation structure further reduces the transmission of heat generated by the second signal processing equipment to the first signal processing equipment, prolongs the working time of the first signal processing equipment, and reduces the working influence of the heat generated by the second signal processing equipment on the first signal processing equipment. The heat that first signal processing equipment and second signal processing equipment work produced is relatively independent finally to accomplish, and first signal processing equipment work is influenced by first signal processing equipment work less, and the uniformity between the first signal processing equipment is better relatively, effectively prolongs the operating time of first signal processing equipment, second signal processing equipment, realizes the relatively independence of the work of two kinds of TR signal processing equipment in same structure, reaches the miniaturization of two kinds of frequency channels simultaneous workings, integrates, the reliability.
In another aspect, the height of the first energy storage structure relative to the second plane is greater than the height of the second energy storage structure relative to the second plane. Therefore, the second energy storage structure is completely attached to the first energy storage structure, and the receiving efficiency of the second energy storage structure for receiving heat energy from the first energy storage structure is improved. The first energy storage structure and/or the second energy storage structure are/is connected with the heat dissipation device, so that heat energy can be quickly transferred to the heat dissipation device for heat dissipation when the heat energy is stored in the first energy storage structure and/or the second energy storage structure. It can be seen that the TR module in the embodiment of the present application has the technical effect of further improving the heat transfer efficiency and improving the heat dissipation effect.
Still further, the second signal transmission cavity further includes a second signal outgoing cavity communicating the second signal processing device with the second signal output end, and the second signal outgoing cavity includes an inclined cavity structure 1036 and a flat cavity structure 1037, where an axial line of the inclined cavity structure 1036 and the first plane have an included angle belonging to a preset angle range; the axial line of the flat cavity structure 1037 is parallel to the first plane, so that the signal transmitted to the flat cavity structure through the inclined cavity structure is transmitted to the second signal output terminal in the direction parallel to the first plane.
The preset angle range may be a range of 0 to 90 degrees, and any angle range in which a signal can transition from a sloped chamber to a flat chamber may be used as the preset angle range. Can accomplish the perpendicular excessive of electromagnetic signal from oblique cavity structure to flat cavity structure through oblique cavity structure to can realize that first signal output part and second signal output part arrange office's design from top to bottom on the casing side, further improve the compactness of TR module in this application embodiment on spatial layout, consequently the TR module of this application embodiment still has the technological effect of the miniaturized structure of realization product.
Still further, the TR module further comprises:
and the matching structure 106 is arranged at a position opposite to the first energy storage structure and the second energy storage structure and is positioned on the shell, and the matching structure is a groove which is symmetrical to the first energy storage structure and the second energy storage structure in shape. Through the groove design, the TR module in the embodiment of the application can be clamped and installed with other phased array antenna components compactly when being installed, so that the aim of further realizing the volume miniaturization of the TR module is fulfilled.
Example two
Referring to fig. 5, a second embodiment of the present application provides a signal transmission method applied to a TR module according to the first embodiment, including:
step 201: inputting a first signal belonging to a first frequency band range through a first frequency band path and/or inputting a second signal belonging to a second frequency band range through a second frequency band path, wherein the first frequency band range is different from the second frequency band range;
step 202: dividing the first signal into a plurality of first power division signals by a first power division structure in the first frequency band path, and/or dividing the second signal into a plurality of second power division signals by a second power division network in the second frequency band path;
step 203 processes the first power division signal by a first signal processing device in the first frequency band channel to generate a first output signal and outputs the first output signal through a first signal output terminal, and/or processes the second power division signal by a second signal processing device in the second frequency band channel to generate a second output signal and outputs the second output signal through a second signal output terminal.
Optionally, the dividing, by a first power division structure in the first frequency band path, the first signal into a plurality of first power division signals includes:
dividing the first signal into two first power division signals through a first power division network in the first power division structure;
dividing a first primary power division signal into four first secondary power division signals respectively through two first secondary power division networks to obtain eight first secondary power division signals;
and taking the eight first secondary power division signals as the plurality of first power division signals.
Optionally, the dividing, by a second power division network in the second frequency band path, the second signal into a plurality of second power division signals includes:
dividing the second signal into two second initial power division signals through a second initial power division network in the second power division structure;
respectively dividing a second primary power division signal into four second power division signals through two second power division networks to obtain eight second power division signals;
and taking the eight second power division signals as the plurality of second power division signals.
Optionally, the obtaining eight first secondary power division signals by respectively dividing one first initial power division signal into four first secondary power division signals through two first secondary power division networks includes:
and respectively carrying out first primary amplification processing and/or first primary phase modulation processing on the four corresponding first secondary power division signals through the two first secondary power division networks to obtain eight first secondary power division signals.
Optionally, the power dividing the first primary power division signal into four first secondary power division signals by two first secondary power division networks, to obtain eight first secondary power division signals, includes:
and respectively carrying out second primary amplification processing and/or second primary phase modulation processing on the four corresponding second power division signals through the two second power division networks to obtain eight second power division signals.
Optionally, the processing, by a first signal processing device in the first frequency band path, the first power division signal to generate a first output signal, and outputting the first output signal through a first signal output end, includes:
and performing, by the first signal processing device, a first secondary amplification process and/or a first secondary phase modulation process on the first power division signal to generate the first output signal.
Optionally, the processing, by a second signal processing device in the second frequency band path, the second power division signal to generate a second output signal, and outputting the second output signal through a second signal output end, includes:
and performing, by the second signal processing device, second secondary amplification processing and/or second secondary phase modulation processing on the second power division signal to generate the second output signal.
It should be noted that, the above steps in the embodiment of the present application are steps of the phased array antenna in a process of sending out a signal, and it can be predicted by a person skilled in the art based on the technical content disclosed in this patent that, in a process of receiving a signal by the phased array antenna, an electromagnetic wave signal can also be synthesized into a 1-channel signal of a corresponding frequency band by the TR module in the embodiment of the present application according to the inverse steps of the above steps, and details are not repeated here for brevity of the description.
Various changes and specific examples in the phased array multiband TR module in the embodiment of fig. 1 are also applicable to the signal transmission method of the present embodiment, and a person skilled in the art can clearly know the implementation method of the signal transmission method in the present embodiment through the foregoing detailed description of the phased array multiband TR module, so that the detailed description is omitted here for brevity of the description.
Therefore, the TR modules of the embodiment of the application can be respectively provided with the transmission paths suitable for different frequency bands, and signals of corresponding frequency bands can be respectively conducted and processed in the transmission paths, so that the TR modules of the embodiment of the application only need to be directly installed in the phased array antenna to be used in the actual application process, and the complex installation process is avoided. Furthermore, the TR module in the embodiment of the application is also provided with a first energy storage structure made of a material with excellent heat conducting performance, so that heat of the TR module from other assembly parts is quickly transferred to the energy storage structure, and the purposes of quickly absorbing a large amount of heat energy and quickly dissipating heat are achieved. Therefore, the multi-band TR module in the embodiment of the application has the technical effects of reducing the installation complexity of the TR module, effectively reducing the temperature and improving the overall performance of the phased array antenna.
The embodiment of the application at least has the following technical effects or advantages:
further, in the TR module of the embodiment of the present application, a first cavity in which the first frequency band path is located and a second cavity in which the second frequency band path is located are located on a first plane. Therefore, the TR module space volume of the embodiment of the application is flat, the installation and the use are convenient, and the technical effect of improving the reasonability of the TR module space layout is achieved.
Further, in the technical solution of the embodiment of the present application, the second frequency band path further includes an isolation structure, the isolation structure is disposed in the cavity where the second signal processing device is located and is adjacent to the side where the first signal processing device is located, and the isolation structure may be made of a thermal resistance material and is used for blocking heat dissipated from the second signal processing device to the first signal processing device. Therefore, the influence of heat radiation among different frequency band channels in the TR module in the embodiment of the application is further reduced, and the technical effect of further improving the overall performance of the phased array antenna is achieved.
Further, the height of the first energy storage structure relative to the second plane is greater than the height of the second energy storage structure relative to the second plane. Therefore, the second energy storage structure can be completely attached to the first energy storage structure, and the technical effect of improving the receiving efficiency of the second energy storage structure for receiving heat energy from the first energy storage structure is achieved.
Further, the technical scheme in this application embodiment can accomplish the perpendicular transition of electromagnetic signal from oblique cavity structure to flat cavity structure through oblique cavity structure to can realize that first signal output part and second signal output part arrange office design from top to bottom on the casing side, further improve the compactness of TR module in this application embodiment on spatial layout, consequently the TR module of this application embodiment still has the technological effect of the miniaturized structure that realizes the product.
Further, the TR module in this embodiment of the application is further designed with a matching structure, and the matching structure is a groove having a shape symmetrical to the first energy storage structure and the second energy storage structure. Through the groove design, the TR module in the embodiment of the application can be clamped and installed with other phased array antenna components compactly when being installed, so that the aim of further realizing the volume miniaturization of the TR module is fulfilled.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Further, the steps of the methods in the technical solution of the present application may be reversed, and the sequence may be changed while still falling within the scope of the present invention. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (11)
1. A phased array multi-band TR module, comprising:
a housing;
the first signal transmission cavity further comprises a first power division structure and first signal processing equipment, the first signal input end is used for inputting signals belonging to a first frequency range, the first power division structure is used for dividing the input signal power into two or more paths of signals, the first signal processing equipment is used for processing the signals subjected to power division by the first power division structure to generate a first output signal, and the first signal output end is used for outputting the first output signal;
a second frequency band channel, disposed in the housing, including a second signal input end, a second signal output end, and a second signal transmission cavity connecting the second signal input end and the second signal output end, where the second signal transmission cavity further includes a second power division structure and a second signal processing device, the second signal input end is configured to input a signal belonging to a second frequency band range, the second power division structure is configured to divide the input signal into two or more signals, the second signal processing device is configured to process the signal divided by the second power division structure to generate a second output signal, and the second signal output end is configured to output a first output signal, where the first frequency band range is different from the second frequency band range;
and the first energy storage structure is adjacently arranged on the cavity side where the first signal processing equipment and/or the second signal processing equipment are/is located and used for receiving and storing the heat energy emitted by the first signal processing equipment and/or the second signal processing equipment.
2. The TR module of claim 1, wherein the first power division structure comprises:
the first initial power division network is connected with the first signal input end and is used for dividing a signal transmitted into two first initial power division signals;
the first transmission cavity is connected with the first initial power distribution network and comprises two transmission channels, and the two transmission channels are used for respectively transmitting a first initial power distribution signal;
the two first secondary power distribution networks are respectively connected with one transmission channel of the first conveying cavity in a one-to-one correspondence manner, and are used for dividing one first initial power distribution signal into four first secondary power distribution signals;
the second power dividing structure includes:
the second initial power division network is connected with the second signal input end and used for dividing one incoming signal into two second initial power division signals;
the second conveying cavity is connected with the second initial power distribution network and comprises two transmission channels, and the two transmission channels are used for respectively transmitting a second initial power distribution signal;
the two secondary power distribution networks are respectively connected with one transmission channel of the second conveying cavity in a one-to-one correspondence manner, and are used for dividing a second initial power distribution signal into four secondary power distribution signals;
the first signal processing device processes the eight received first secondary power division signals as the first power division signals to generate eight first output signals, and the second signal processing device processes the eight received second secondary power division signals as the second power division signals to generate eight second output signals.
3. A TR module as claimed in claim 2, wherein the first cavity in which the first band path is located and the second cavity in which the second band path is located are in the same first plane.
4. A TR module as claimed in claim 3, wherein, when the second signal processing device dissipates heat in operation greater than the first signal processing device dissipates heat in operation, the first cavity is positioned around the outside of the second cavity and adjacent to the outer wall of the housing in the first plane;
the second frequency band path further comprises:
and the isolation structure is arranged in the cavity where the second signal processing equipment is positioned, is adjacent to the side where the first signal processing equipment is positioned, and is used for blocking heat dissipated from the second signal processing equipment to the first signal processing equipment.
5. The TR module of claim 4 wherein said second signal transmission cavity further comprises:
the second signal transmission cavity is communicated with the second signal processing equipment and the second signal output end and comprises an inclined cavity structure and a flat cavity structure, wherein an included angle which belongs to a preset angle range is formed between an axial line of the inclined cavity structure and the first plane; the axial line of the flat cavity structure is parallel to the first plane, so that the signal transmitted to the flat cavity structure through the inclined cavity structure is transmitted to the second signal output end along the direction parallel to the first plane.
6. The TR module of claim 5, wherein said TR module further comprises:
and the second energy storage structure is arranged adjacent to the first energy storage structure and used for receiving and storing the heat energy emitted by the first energy storage structure.
7. A TR module as claimed in claim 6, wherein the bottom surface of said first energy storage structure adjacent said first signal processing device is in a second plane with the bottom surface of said second energy storage structure, and said second plane is parallel to said first plane.
8. The TR module of claim 7 wherein a height of the first energy storage structure relative to the second plane is greater than a height of the second energy storage structure relative to the second plane.
9. A TR module as claimed in claim 8, wherein the TR module further comprises:
and the matching structure is arranged at the position opposite to the first energy storage structure and the second energy storage structure and is positioned on the shell, and the matching structure is a groove which is symmetrical to the first energy storage structure and the second energy storage structure in shape.
10. The TR module of claim 9, wherein the first energy storage structure and/or the second energy storage structure is coupled with a heat sink.
11. A TR module as claimed in claim 10, wherein the first signal incoming cavity, the second signal incoming cavity and the transmission cavity are further provided with a baseband board and a microstrip for signal transmission and isolation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921819A (en) * | 2019-03-07 | 2019-06-21 | 成都天锐星通科技有限公司 | A kind of phased array multiband T/R module and method for transmitting signals |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921819A (en) * | 2019-03-07 | 2019-06-21 | 成都天锐星通科技有限公司 | A kind of phased array multiband T/R module and method for transmitting signals |
| CN109921819B (en) * | 2019-03-07 | 2023-11-21 | 成都天锐星通科技有限公司 | Phased array multi-band TR module and signal transmission method |
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