CN113922834A - High-efficient heat dissipation high frequency signal receiving and dispatching subassembly - Google Patents
High-efficient heat dissipation high frequency signal receiving and dispatching subassembly Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
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- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
Abstract
The invention provides a high-efficiency heat-dissipation high-frequency signal transceiving component, which comprises a box body with a containing cavity, and a fan heat dissipation module, a power amplification module, a low-pass filtering module, a transceiving switch module, a fixed coupling module, a control module and a heat dissipation substrate which are positioned in the containing cavity of the box body; the low-pass filtering module comprises a first filtering module and a second filtering module which are connected in parallel; the fan radiating module comprises a radiator and a fan device; the power amplification module is positioned at one side of the radiator; the first filtering module, the second filtering module, the transceiving switch module, the constant coupling module, the control module and the radiating substrate are respectively positioned on one side of the radiator far away from the power amplification module. The assembly can accelerate the removal of internal heat, meets the heat dissipation requirements of all parts, and effectively reduces the overall size due to the more compact layout of the internal parts.
Description
Technical Field
The invention relates to the technical field of high-frequency communication, in particular to a high-efficiency heat-dissipation high-frequency signal transceiving assembly.
Background
The short-wave radio station is used for voice communication between airplanes and a ground command post, has two communication working modes of amplitude modulation and upper sideband, has the characteristics of high transmitting power and long acting distance, is one of main communication tools in key engineering, and the high-frequency signal receiving and transmitting component is one of main components forming the short-wave radio station. The high-frequency signal transceiving component generally comprises a power amplifying module, a filtering module, a constant coupling module and the like. Because the product is applied to the field of high-frequency communication, the operation stability is very easily influenced.
However, the existing high-frequency signal transceiving module has the following defects:
the existing high-frequency signal transceiving component needs to use large heating devices such as a radio frequency tube and the like, and in order to meet the heat dissipation requirement, enough heat dissipation space needs to be reserved among the devices, so that the whole volume of the component is large; in practical application, however, only a small installation space is reserved in some occasions, and the size of the assembly is limited; if only all modules of the existing high-frequency signal transceiving component are arranged in the small box body, the heat dissipation requirement cannot be met, and the stability and the reliability of transceiving high-frequency signals are influenced;
the constant coupling module is used for detecting the output power so as to realize feedback regulation of the regulation parameters of the power amplification module according to the output power and realize the stability of the transmission output of the communication module; however, the performance of the existing constant-coupling module is not ideal, and the constant-coupling module formed by combining the two-core cables is generally used for narrow bands; coupling flatness is poor in multiple frequency application occasions; when the standing wave performance of the ultra-short wave antenna is poor, the output power fluctuation is large, the stable work of the power amplification module is not facilitated, the output harmonic waves are increased, and the stability and the reliability of the operation of the high-frequency communication module are influenced.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the high-efficiency heat dissipation high-frequency signal transceiving assembly which can accelerate the removal of internal heat, meet the heat dissipation requirements of various parts, make the internal parts more compact in layout and effectively reduce the whole volume.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a high-efficient heat dissipation high frequency signal transceiver module which characterized in that: the power amplifier comprises a box body with a containing cavity, and a fan heat dissipation module, a power amplification module, a low-pass filtering module, a transceiving switch module, a fixed coupling module, a control module and a heat dissipation substrate which are positioned in the containing cavity of the box body; the box body is provided with a power interface, an antenna interface, a receiving port and an excitation port;
the low-pass filtering module comprises a first filtering module and a second filtering module which are connected in parallel; the fan radiating module comprises a radiator forming a radiating air duct and a fan device used for blowing air to the radiator to accelerate the radiation; the box body is provided with a vent hole at the position corresponding to the fan device and the radiator; the power amplification module is positioned at one side of the radiator; the first filtering module, the second filtering module, the transceiving switch module, the constant coupling module, the control module and the radiating substrate are respectively positioned on one side of the radiator away from the power amplification module; the second filtering module is arranged on the surface of the radiating substrate close to the radiator, and the first filtering module, the control module, the transceiving switch module and the fixed coupling module are respectively arranged on the surface of the radiating substrate far from the radiator;
the excitation port, the power amplification module, the first filtering module, the transceiving switch module, the constant coupling module and the antenna interface are sequentially connected; the receiving port is connected with the receiving and transmitting switch module; the power supply interface is respectively connected with the fan heat dissipation module, the power amplification module, the constant coupling module and the control module so as to realize power supply; the control module is respectively connected with the power amplification module, the first filtering module, the second filtering module and the constant coupling module.
According to the high-frequency signal transceiving assembly, the fan radiating module is utilized to accelerate the heat in the box body to be discharged, and the power amplifying module and the filtering module which have larger heating values and higher requirements on working temperature are arranged close to the fan radiating module, so that the radiating requirements of all parts can be met, the parts in the box body are more compactly distributed, and the whole volume of the high-frequency signal transceiving assembly is effectively reduced.
Preferably, the first filter module is arranged on the board surface of the heat dissipation substrate; and the control module, the constant coupling module and the transceiving switch module are sequentially arranged side by side at the same side of the first filtering module. The advantage of this design is, both be convenient for the arranging of connecting wire, can avoid the signal to produce mutual interference again, improve communication performance.
Preferably, a wind shield is arranged between the second filter module and the radiator.
Preferably, the fan device comprises a plurality of fan units arranged side by side; the efficiency of heat is discharged away can be improved, the operating stability of high frequency signal receiving and dispatching subassembly is improved.
Preferably, the first filtering module and the second filtering module respectively include a plurality of low-pass filtering branches for realizing low-pass filtering of signals in different frequency bands; each low-pass filtering branch is connected between the power amplification module and the transceiving switch module through a radio frequency switch with one more choice; the filtering frequencies of all the low-pass filtering branches of the first filtering module are smaller than the minimum filtering frequency of the low-pass filtering branches of the second filtering module.
Preferably, the constant coupling module comprises a two-core constant coupling module and a leveling correction module; the two-core wire fixed coupling module comprises a two-core cable WT6 and a two-core cable WT 7; the double-core cable WT6 and the double-core cable WT7 both consist of a main cable and an auxiliary cable; the input end of a main cable of the double-core cable WT6 is used for inputting signals, the output end of the main cable of the double-core cable WT6 is connected with the input end of the main cable of the double-core cable WT7, and the output end of the main cable of the double-core cable WT7 is used for outputting signals; the input end of the auxiliary cable of the double-core cable WT6 and the output end of the auxiliary cable of the double-core cable WT7 are respectively grounded; the auxiliary cable output end of the double-core cable WT1 and the auxiliary cable input end of the double-core cable WT2 are respectively connected with a leveling correction module for leveling the coupling waveform of the output signal.
Preferably, the leveling correction module comprises an LC series unit, an LC parallel unit and a detection connection unit; the output end of the auxiliary cable of the double-core cable WT6 and the input end of the auxiliary cable of the double-core cable WT7 are grounded through an LC series unit and an LC parallel unit which are connected in sequence respectively; the auxiliary cable output end of the two-core cable WT6 and the auxiliary cable input end of the two-core cable WT7 are connected with the control module through the detection connecting unit respectively.
The fixed coupling module adopts a double-core cable to couple signals and combines a leveling correction module to process, so that the technical problem that the amplitude-frequency characteristic of a coupling port signal is uneven when the maximum frequency and the minimum frequency of a 2-30 MHz high-frequency signal are different by dozens of times when the output signal is detected can be solved; the leveling correction module of the fixed coupling module can perform leveling correction processing on the signal waveform obtained by coupling in an internal inductor and capacitor combination network, LC parallel connection and LC series connection mode, so that the coupled waveform is oblique and smooth. Compared with the traditional constant coupling module with the coupling flatness of only 10dB, the constant coupling module can enable the coupling flatness to be less than 1dB, and ensures that the power fluctuation is reduced under the condition of poor standing wave of the ultra-short wave antenna, and the stability of the power amplification module is improved, so that the stability and the reliability of the operation of the high-frequency signal transceiving component are improved.
Preferably, the LC series unit comprises an inductance L201 and a capacitance C203; the LC parallel unit comprises an inductor L202, an inductor L203, a capacitor C204 and a capacitor C205; the output end of the auxiliary cable of the double-core cable WT6 and the input end of the auxiliary cable of the double-core cable WT7 are grounded through an inductor L201, a capacitor C203 and an inductor L202 which are connected in sequence; the capacitor C204, the capacitor C205 and the inductor L203 are connected in series and then connected in parallel with the inductor L202.
Preferably, the detection connection unit comprises a diode VD201, a resistor R202, a capacitor C201 and a capacitor C202; the output end of the auxiliary cable of the double-core cable WT6 and the input end of the auxiliary cable of the double-core cable WT7 are respectively connected with the control module through a diode VD201 and a resistor R201 which are connected in series; the connection point of the diode VD201 and the resistor R201 is grounded through a capacitor C201; the control module is also connected to ground through a resistor R202 and a capacitor C202 connected in parallel. The detection connection unit can stably and reliably transmit the signal after the leveling correction to the control module.
Preferably, the transceiver switch module comprises a diode VD211, a diode VD212, and a capacitor C212; the receiving and transmitting switch module is connected with a receiving and transmitting switch driving module;
the low-pass filtering module is connected with the constant coupling module through a diode VD 211; the diode VD211 is also grounded through an inductor L211 and a capacitor C211 which are connected in series; the junction of the inductor L211 and the capacitor C211 is connected with the output end T of the transceiving switch driving module;
the low-pass filtering module is also connected with a signal receiving port through a diode VD212 and a capacitor C212 which are connected in series; the junction of the diode VD212 and the capacitor C212 is grounded through an inductor L212 and a capacitor C213 which are connected in series; the junction of the inductor L212 and the capacitor C213 is connected to the input terminal R of the transmit-receive switch driving module. The transceiving switch module can stably and reliably realize the switching of signal receiving and transmitting functions.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the high-frequency signal transceiving assembly, the fan radiating module is utilized to accelerate the heat in the box body to be discharged, and the power amplifying module and the filtering module which have larger heat productivity and higher requirements on working temperature are arranged close to the fan radiating module, so that the radiating requirements of all parts can be met, the parts in the box body are more compactly distributed, and the whole volume of the high-frequency signal transceiving assembly is effectively reduced;
2. the high-frequency signal transceiving component can improve the efficiency of heat removal and improve the operation stability of the high-frequency signal transceiving component;
3. according to the high-frequency signal transceiving component, the constant coupling module can level and correct the signal waveform obtained by coupling in an LC parallel connection and LC series connection mode, so that the coupled waveform is oblique and smooth, the power fluctuation is reduced, the stability of the power amplification module is improved, and the running stability and reliability of the high-frequency signal transceiving component are improved.
Drawings
FIG. 1 is a schematic structural diagram of an efficient heat dissipation high-frequency signal transceiver module according to the present invention;
FIG. 2 is a schematic structural diagram of the high-efficiency heat-dissipating high-frequency signal transceiving module according to the present invention after hiding the top plate and the bottom plate of the box body;
FIG. 3 is a second schematic structural view of the high-efficiency heat-dissipating high-frequency signal transceiver module of the present invention after the top plate and the bottom plate of the box body are hidden;
FIG. 4 is an exploded view of the high efficiency heat dissipating high frequency signal transceiver assembly of the present invention;
FIG. 5 is a schematic view of the mounting of the fan heat dissipation module and the power amplification module in the high efficiency heat dissipation high frequency signal transceiver assembly of the present invention;
FIG. 6 is a schematic view of the mounting of a second heat-dissipating substrate and a second filter module in the high-efficiency heat-dissipating high-frequency signal transceiving assembly according to the present invention;
FIG. 7 is a schematic view of the assembly of the heat dissipation substrate, the first filter module, the first transceiver switch module, the constant coupling module and the control module in the high-efficiency heat dissipation high-frequency signal transceiver module according to the present invention;
FIG. 8 is a schematic block diagram of an implementation of the high-efficiency heat-dissipating high-frequency signal transceiving component in a frequency band of 2-30 MHz according to the present invention;
FIG. 9 is a schematic circuit diagram of a transmit/receive switch module of the high efficiency heat dissipating high frequency signal transmit/receive assembly of the present invention;
FIG. 10 is a schematic circuit diagram of a constant coupling module of the high efficiency heat dissipation high frequency signal transceiver module of the present invention;
the power amplifier comprises a box body 1, a fan radiating module 2, a fan unit 2.1, a radiator 2.2, a power amplifying module 3, a filter module II 4, a filter module I5, a radiating substrate 6, a wind shield 7, a control module 8, a constant coupling module 9, a transceiving switch module 10, a power interface 11, an antenna interface 12, an excitation port 13 and a receiving port 14.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 10, the high-efficiency heat dissipation high-frequency signal transceiving assembly of the present embodiment includes a box 1 having a receiving cavity, and a fan heat dissipation module, a power amplification module 3, a low-pass filtering module, a transceiving switch module 10, a constant coupling module 9, a control module 8, and a heat dissipation substrate 6 located in the receiving cavity of the box 1; the box body 1 is provided with a power supply interface 11, an antenna interface 12 for mounting an antenna, a receiving port 14 and an excitation port 13.
The low-pass filtering module comprises a first filtering module 5 and a second filtering module 4 which are connected in parallel; the fan radiating module comprises a radiator 2.2 forming a radiating air duct and a fan device for blowing air to the radiator 2.2 to accelerate the radiation; the box body 1 is provided with vent holes at the positions corresponding to the fan device and the radiator 2.2; the power amplification module 3 is positioned at one side of the radiator 2.2; the first filtering module 5, the second filtering module 4, the transceiving switch module 10, the constant coupling module 9, the control module 8 and the heat dissipation substrate 6 are respectively positioned on one side of the heat radiator 2.2 away from the power amplification module 3; and the second filter module 4 is arranged on the surface of the heat dissipation substrate 6 close to the radiator 2.2, and the first filter module 5, the control module 8, the transceiving switch module 10 and the fixed coupling module 9 are respectively arranged on the surface of the heat dissipation substrate 6 far from the radiator 2.2.
The excitation port 13, the power amplification module 3, the first filtering module 5, the transceiving switch module 10, the constant coupling module 9 and the antenna interface 12 are sequentially connected; the receiving port 14 is connected with the transceiving switch module 10; the power interface 11 is respectively connected with the fan heat dissipation module, the power amplification module 3, the constant coupling module 9 and the control module 8 to realize power supply; the control module 8 is respectively connected with the power amplification module 3, the first filtering module 5, the second filtering module 4 and the constant coupling module 9.
The high-frequency signal transceiving component can realize the functions of transmitting and receiving high-frequency short-wave signals; the power amplification module can realize the power amplification function of the input signal; the low-pass filtering module can filter out harmonic out-of-band frequency signals of the signals; the receiving and transmitting switch module can realize the switching of receiving/transmitting functions; the constant coupling module can realize the power detection function and output VF and VR. The working principle of the high-frequency signal transceiving component is as follows: when the signal is transmitted, the signal is input into the excitation port, processed by the power amplification module and the through filtering module, and transmitted to the antenna for output by the transceiving switch module through the constant coupling module; when receiving signals, the receiving and transmitting switch module is communicated with the receiving port to realize signal receiving.
According to the high-frequency signal transceiving assembly, the fan radiating module is utilized to accelerate the heat in the box body 1 to be discharged, the power amplifying module 3 and the filtering module II 4 which have larger heat productivity and higher requirements on working temperature are arranged close to the fan radiating module, the radiating requirements of all parts can be met, the parts in the box body 1 are more compactly distributed, and the whole volume of the high-frequency signal transceiving assembly is effectively reduced.
The power amplification module 3 can be made of the existing circuit, and generally adopts a radio frequency tube to amplify the signal power. The control module 8 may employ existing technology.
In the low-pass filtering module, a first filtering module 5 and a second filtering module 4 respectively comprise a plurality of low-pass filtering branches for realizing low-pass filtering of signals in different frequency bands; each low-pass filtering branch is connected between the power amplification module 3 and the transceiving switch module 10 through a radio frequency switch with one more choice; the filtering frequencies of all the low-pass filtering branches of the first filtering module 5 are smaller than the minimum filtering frequency of the low-pass filtering branches of the second filtering module 4. The low-pass filtering branch can be made by adopting the existing circuit. When the communication circuit is applied to a frequency band of 2-30 MHz, the frequency band division of the low-pass filtering branch preferably adopts the scheme shown in FIG. 8, and the filtering effect of signals in different frequency bands can be improved.
The constant coupling module 9 is used for detecting the output power, so that the control module 8 can feedback-control the power amplification module according to the detected power signal output by the constant coupling module 9.
The constant coupling module 9 comprises a double-core wire constant coupling module and a leveling correction module; the two-core wire constant coupling module comprises a two-core cable WT6 and a two-core cable WT 7; the double-core cable WT6 and the double-core cable WT7 both consist of a main cable and an auxiliary cable; the main cable and the auxiliary cable are insulated from each other; the input end of a main cable of the double-core cable WT6 is used for inputting signals, the output end of the main cable of the double-core cable WT6 is connected with the input end of the main cable of the double-core cable WT7, and the output end of the main cable of the double-core cable WT7 is used for outputting signals; the input end of the auxiliary cable of the double-core cable WT6 and the output end of the auxiliary cable of the double-core cable WT7 are respectively grounded; the auxiliary cable output end of the double-core cable WT1 and the auxiliary cable input end of the double-core cable WT2 are respectively connected with a leveling correction module for leveling the coupling waveform of the output signal.
The leveling correction module comprises an LC series unit, an LC parallel unit and a detection connection unit; the output end of the auxiliary cable of the double-core cable WT6 and the input end of the auxiliary cable of the double-core cable WT7 are grounded through an LC series unit and an LC parallel unit which are connected in sequence respectively; the auxiliary cable output end of the two-core cable WT6 and the auxiliary cable input end of the two-core cable WT7 are connected with the control module 8 through detection connecting units respectively.
The fixed coupling module 9 couples signals by adopting a double-core cable and processes the signals by combining with the leveling correction module, so that the technical problem that the amplitude-frequency characteristic of a coupling port signal is uneven when the output signal is detected due to the fact that the difference between the maximum frequency and the minimum frequency of 2-30 MHz high-frequency signals is dozens of times; the leveling correction module of the constant coupling module 9 can level and correct the coupled signal waveform through the internal inductor and capacitor combination network, LC parallel connection and LC series connection, so that the coupled waveform is diagonally flat. Compared with the traditional constant coupling module 9 with the coupling flatness of only 10dB, the constant coupling module 9 can enable the coupling flatness to be less than 1dB, ensure that the power fluctuation is reduced under the condition of poor standing wave of the ultra-short wave antenna, and improve the stability of the power amplification module 3, thereby improving the stability and the reliability of the operation of the high-frequency signal transceiving component.
The LC series unit comprises an inductor L201 and a capacitor C203; the LC parallel unit comprises an inductor L202, an inductor L203, a capacitor C204 and a capacitor C205; the output end of the auxiliary cable of the double-core cable WT6 and the input end of the auxiliary cable of the double-core cable WT7 are grounded through an inductor L201, a capacitor C203 and an inductor L202 which are connected in sequence; the capacitor C204, the capacitor C205 and the inductor L203 are connected in series and then connected in parallel with the inductor L202.
The detection connecting unit comprises a diode VD201, a resistor R202, a capacitor C201 and a capacitor C202; the output end of the auxiliary cable of the double-core cable WT6 and the input end of the auxiliary cable of the double-core cable WT7 are respectively connected with the control module 8 through a diode VD201 and a resistor R201 which are connected in series; the connection point of the diode VD201 and the resistor R201 is grounded through a capacitor C201; the control module 8 is also connected to ground via a resistor R202 and a capacitor C202 connected in parallel. The detection connection unit can stably and reliably transmit the signal after the leveling correction to the control module 8.
The transceiving switch module 10 comprises a diode VD211, a diode VD212, and a capacitor C212; the transceiving switch module 10 is connected with a transceiving switch driving module;
the low-pass filtering module is connected with the constant coupling module 9 through a diode VD 211; the diode VD211 is also grounded through an inductor L211 and a capacitor C211 which are connected in series; the junction of the inductor L211 and the capacitor C211 is connected with the output end T of the transceiving switch driving module;
the low-pass filtering module is also connected with a signal receiving port through a diode VD212 and a capacitor C212 which are connected in series; the junction of the diode VD212 and the capacitor C212 is grounded through an inductor L212 and a capacitor C213 which are connected in series; the junction of the inductor L212 and the capacitor C213 is connected to the input terminal R of the transmit-receive switch driving module. The transceiving switch module 10 can stably and reliably realize the switching of the signal receiving and transmitting functions. The transceiver switch driving circuit may employ the prior art.
In terms of hardware structure, the preferable scheme is as follows: a wind shield 7 is arranged between the second filter module 4 and the radiator 2.2. The first filtering module 5 is arranged on the surface of the radiating substrate 6; on the same side of the first filtering module 5, the control module 8, the constant coupling module 9 and the transceiving switch module 10 are sequentially arranged side by side. The advantage of this design is, both be convenient for the arranging of connecting wire, can avoid the signal to produce mutual interference again, improve communication performance. The fan device comprises a plurality of fan units 2.1 which are arranged side by side; the efficiency of heat is discharged away can be improved, the operating stability of high frequency signal receiving and dispatching subassembly is improved.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient heat dissipation high frequency signal transceiver module which characterized in that: the power amplifier comprises a box body with a containing cavity, and a fan heat dissipation module, a power amplification module, a low-pass filtering module, a transceiving switch module, a fixed coupling module, a control module and a heat dissipation substrate which are positioned in the containing cavity of the box body; the box body is provided with a power interface, an antenna interface, a receiving port and an excitation port;
the low-pass filtering module comprises a first filtering module and a second filtering module which are connected in parallel; the fan radiating module comprises a radiator forming a radiating air duct and a fan device used for blowing air to the radiator to accelerate the radiation; the box body is provided with a vent hole at the position corresponding to the fan device and the radiator; the power amplification module is positioned at one side of the radiator; the first filtering module, the second filtering module, the transceiving switch module, the constant coupling module, the control module and the radiating substrate are respectively positioned on one side of the radiator away from the power amplification module; the second filtering module is arranged on the surface of the radiating substrate close to the radiator, and the first filtering module, the control module, the transceiving switch module and the fixed coupling module are respectively arranged on the surface of the radiating substrate far from the radiator;
the excitation port, the power amplification module, the first filtering module, the transceiving switch module, the constant coupling module and the antenna interface are sequentially connected; the receiving port is connected with the receiving and transmitting switch module; the power supply interface is respectively connected with the fan heat dissipation module, the power amplification module, the constant coupling module and the control module so as to realize power supply; the control module is respectively connected with the power amplification module, the first filtering module, the second filtering module and the constant coupling module.
2. The high efficiency heat dissipating, high frequency signal transceiving assembly of claim 1, wherein: the first filtering module is arranged on the surface of the radiating substrate; and the control module, the constant coupling module and the transceiving switch module are sequentially arranged side by side at the same side of the first filtering module.
3. The high efficiency heat dissipating, high frequency signal transceiving assembly of claim 1, wherein: and a wind shield is arranged between the second filtering module and the radiator.
4. The high efficiency heat dissipating, high frequency signal transceiving assembly of claim 1, wherein: the fan device comprises a plurality of fan units arranged side by side.
5. The high efficiency heat dissipating, high frequency signal transceiving assembly of claim 1, wherein: the first filtering module and the second filtering module respectively comprise a plurality of low-pass filtering branches for realizing low-pass filtering of signals in different frequency bands; each low-pass filtering branch is connected between the power amplification module and the transceiving switch module through a radio frequency switch with one more choice; the filtering frequencies of all the low-pass filtering branches of the first filtering module are smaller than the minimum filtering frequency of the low-pass filtering branches of the second filtering module.
6. The high efficiency heat dissipating, high frequency signal transceiving assembly of claim 1, wherein: the constant coupling module comprises a double-core wire constant coupling module and a leveling correction module; the two-core wire fixed coupling module comprises a two-core cable WT6 and a two-core cable WT 7; the double-core cable WT6 and the double-core cable WT7 both consist of a main cable and an auxiliary cable; the input end of a main cable of the double-core cable WT6 is used for inputting signals, the output end of the main cable of the double-core cable WT6 is connected with the input end of the main cable of the double-core cable WT7, and the output end of the main cable of the double-core cable WT7 is used for outputting signals; the input end of the auxiliary cable of the double-core cable WT6 and the output end of the auxiliary cable of the double-core cable WT7 are respectively grounded; the auxiliary cable output end of the double-core cable WT1 and the auxiliary cable input end of the double-core cable WT2 are respectively connected with a leveling correction module for leveling the coupling waveform of the output signal.
7. The high efficiency heat dissipating, high frequency signal transceiving assembly of claim 6, wherein: the leveling correction module comprises an LC series unit, an LC parallel unit and a detection connection unit; the output end of the auxiliary cable of the double-core cable WT6 and the input end of the auxiliary cable of the double-core cable WT7 are grounded through an LC series unit and an LC parallel unit which are connected in sequence respectively; the auxiliary cable output end of the two-core cable WT6 and the auxiliary cable input end of the two-core cable WT7 are connected with the control module through the detection connecting unit respectively.
8. The high efficiency heat dissipating, high frequency signal transceiving assembly of claim 7, wherein: the LC series unit comprises an inductor L201 and a capacitor C203; the LC parallel unit comprises an inductor L202, an inductor L203, a capacitor C204 and a capacitor C205; the output end of the auxiliary cable of the double-core cable WT6 and the input end of the auxiliary cable of the double-core cable WT7 are grounded through an inductor L201, a capacitor C203 and an inductor L202 which are connected in sequence; the capacitor C204, the capacitor C205 and the inductor L203 are connected in series and then connected in parallel with the inductor L202.
9. The high efficiency heat dissipating, high frequency signal transceiving assembly of claim 7, wherein: the detection connecting unit comprises a diode VD201, a resistor R202, a capacitor C201 and a capacitor C202; the output end of the auxiliary cable of the double-core cable WT6 and the input end of the auxiliary cable of the double-core cable WT7 are respectively connected with the control module through a diode VD201 and a resistor R201 which are connected in series; the connection point of the diode VD201 and the resistor R201 is grounded through a capacitor C201; the control module is also connected to ground through a resistor R202 and a capacitor C202 connected in parallel.
10. The high efficiency heat dissipating, high frequency signal transceiving assembly of claim 1, wherein: the receiving and transmitting switch module comprises a diode VD211, a diode VD212 and a capacitor C212; the receiving and transmitting switch module is connected with a receiving and transmitting switch driving module;
the low-pass filtering module is connected with the constant coupling module through a diode VD 211; the diode VD211 is also grounded through an inductor L211 and a capacitor C211 which are connected in series; the junction of the inductor L211 and the capacitor C211 is connected with the output end T of the transceiving switch driving module;
the low-pass filtering module is also connected with a signal receiving port through a diode VD212 and a capacitor C212 which are connected in series; the junction of the diode VD212 and the capacitor C212 is grounded through an inductor L212 and a capacitor C213 which are connected in series; the junction of the inductor L212 and the capacitor C213 is connected to the input terminal R of the transmit-receive switch driving module.
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| CN202111140312.9A CN113922834A (en) | 2021-09-28 | 2021-09-28 | High-efficient heat dissipation high frequency signal receiving and dispatching subassembly |
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| CN203968065U (en) * | 2014-06-28 | 2014-11-26 | 广东圣大电子有限公司 | A kind of broadband radio frequency amplifies transmitting-receiving subassembly |
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| CN203968065U (en) * | 2014-06-28 | 2014-11-26 | 广东圣大电子有限公司 | A kind of broadband radio frequency amplifies transmitting-receiving subassembly |
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