Novel multi-channel receiving and transmitting device

Abstract

The utility model provides a novel multichannel transceiver, and relates to the technical field of wireless signals. The antenna comprises a radio frequency module, a correction power division module and a radiator, the radio frequency module and the correction power division module are arranged through a vertical interdigital structure and are in blind fit and interconnection, and an L-shaped semi-enclosed space is formed on the inner side of the vertical interdigital structure; the radiator comprises a radiator body and a radiating surface; wherein the radiator body is arranged in the L-shaped semi-enclosed space, and the radiating surface is attached to the lower part of the bottom surface of the radio frequency module; through cooperation of a vertical interdigital structure and blind matching interconnection, the heat conduction efficiency of the high-power circuit can be improved, when the high-power circuit works in an emission mode with the duty ratio of 20%, the temperature of a core power amplifier chip of the high-power circuit is reduced in a high-temperature environment, the stability and reliability of the circuit are improved, and therefore the technical problem that heat conduction of the high-power circuit is limited is solved.

Description

Technical Field

[0001] This utility model relates to the field of wireless signal technology, and in particular to a novel multi-channel transceiver device. Background Technology

[0002] The multi-channel transceiver is the core equipment of the transceiver system, integrating multiple transceiver channels, typically 8 or 16 channels. The correction network is generally composed of cascaded multi-stage power dividers. Due to the miniaturization and integration requirements of modern radar, correction power divider modules at the end of the correction network are integrated into the multi-channel transceiver, such as 1 to 8 power dividers or 1 to 16 power dividers.

[0003] like Figure 2 As shown, existing radar multi-channel transceiver components typically employ a double-sided design for their internal radio frequency (RF) modules. One side is designed as the main transceiver channel, with a power amplifier located near the port (the port connected to the antenna). The other side is designed as a correction power divider module, and the RF module is then fixed to a heat sink.

[0004] In summary, the presence of the power divider module "severs" the heat dissipation path of the power amplifier, reducing its heat dissipation effect. Therefore, a new type of multi-channel transceiver is needed to solve the technical problem of limited heat conduction in high-power circuits. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a new type of multi-channel transceiver device that is easy to operate, improves the heat conduction efficiency of high-power circuits, reduces the temperature of the core power amplifier chip of high-power circuits, and thus ensures the stability and reliability of the circuit.

[0006] To achieve the above objectives, this application proposes a novel multi-channel transceiver device, including an RF module, a correction power divider module, and a heat sink. The RF module and the correction power divider module are connected and blindly mated via a vertical interdigitated structure, with an L-shaped semi-enclosed space formed on the inner side of the vertical interdigitated structure. The heat sink includes a heat sink body and a heat dissipation surface. The heat sink body is disposed within the L-shaped semi-enclosed space, and the heat dissipation surface is attached to the bottom surface of the RF module.

[0007] The radio frequency module consists of several radio frequency units, including an H-shaped housing, a common channel disposed within the H-shaped housing, a transmitting channel, and a receiving channel; wherein, the H-shaped housings of the radio frequency module are arranged side by side in the same direction to form a first staggered finger connection structure, and the transmitting channel and the receiving channel are electrically connected to the common channel respectively;

[0008] The common channel is respectively provided with an excitation port and a correction port; wherein the excitation port is arranged on the long finger of the first staggered finger joint structure, the correction port is arranged on the short finger of the first staggered finger joint structure, and the correction power division module is provided with a second staggered finger joint structure relative to the first staggered finger joint structure corresponding to the radio frequency unit;

[0009] The side surface of each long finger of the second staggered finger joint structure is provided with a plurality of power division ports relative to the correction port, the first staggered finger joint structure is installed perpendicular to the second staggered finger joint structure, and the installation surfaces are flush with each other and jointly form a vertical interdigital structure, and the power division ports and the correction ports are electrically connected to each other in a blind interconnection mode.

[0010] As a further solution, the heat sink is a passive heat sink, and the heat sink body is provided by a fin heat sink, the fin heat sink includes a plurality of heat dissipation fins and is outwardly arranged relative to the heat dissipation surface.

[0011] As a further solution, a structural frame is further provided, the lower part of the structural frame is provided as a fin heat sink, the radio frequency module is fastened to the upper part of the structural frame by screws and is attached to the heat dissipation surface, and a concave limiting structure is further formed on one side surface of the structural frame, and the correction power division module is provided as a convex limiting structure and is fastened to the side surface of the structural frame by screws and is limited and fixed in cooperation with the concave limiting structure.

[0012] As a further solution, the correction port and the power division port are both provided by an SMP-J type connector, and the correction port and the power division port are interconnected by an SMP-KK type connector in a blind interconnection mode.

[0013] As a further solution, the common channel includes a circulator and a coupler; wherein the coupler is electrically connected with the excitation port, the correction port and the circulator respectively, and the circulator is electrically connected with the transmitting channel and the receiving channel respectively.

[0014] As a further solution, the transmitting channel is provided with an intermediate frequency amplifier, a filter, a mixer and a power amplifier which are electrically connected in sequence; wherein the power amplifier is arranged below the bottom surface of the radio frequency module.

[0015] As a further solution, an intermediate frequency port is further arranged on the radio frequency unit; wherein the intermediate frequency port is arranged at a surface opposite to the excitation port and is electrically connected with the intermediate frequency amplifier; and the power amplifier is electrically connected with the circulator.

[0016] As a further solution, the correction power divider module is provided with a correction power divider; wherein the correction power divider is a 1-to-N power divider, comprising a 1-way power input end and N-way power output ends; the power output ends are electrically connected to each power port.

[0017] Compared with the related art, the novel multi-channel transceiver device provided by the utility model has the following advantages:

[0018] The utility model discloses a radio frequency module, correction power module and radiator, and the radio frequency module and correction power module are set up through vertical interdigital structure and blind interconnection, and the inside of vertical interdigital structure forms L shape half encloses the space, and the radiator includes radiator body and radiating surface, wherein, the radiator body sets up in L shape half encloses the space, and the radiating surface is pasted below the bottom surface of radio frequency module, and through vertical interdigital structure and blind interconnection, can improve the heat conduction efficiency of high -power circuit, when working in 20% duty cycle emission mode, under high temperature environment, reduce the temperature of high -power circuit core power amplifier chip, improve the stability and reliability of circuit, thereby solve the technical problem that the heat conduction of high -power circuit is limited. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the present application and, together with the specification, serve to explain the principles of the application.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the accompanying drawings needed to be used in the embodiment or related art description will be briefly introduced. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor.

[0021] Figure 1 The structural schematic diagram of the novel multi-channel transceiver device provided by the utility model is shown in the figure.

[0022] Figure 2 The structural schematic diagram of the existing multi-channel transceiver device is shown in the figure.

[0023] Figure 3 The vertical interdigital structure relationship schematic diagram provided by the utility model is shown in the figure.

[0024] Figure 4 The structural frame assembly structure schematic diagram provided by the utility model is shown in the figure.

[0025] Figure 5 The blind interconnection connection structure schematic diagram provided by the utility model is shown in the figure.

[0026] Figure 6 The connector assembly structure schematic diagram provided by the utility model is shown in the figure.

[0027] Wherein, the reference sign: 1, radio frequency module;11, radio frequency unit;12, excitation port;2, correction power division module;3, radiator;31, finned radiator;4, power amplifier;5, structural framework;6, SMP-J type connector;7, SMP-KK type connector.

[0028] The purpose of the application, functional features and advantages will be further described with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0030] It should be noted that the orientation or position relationship indicated by "up", "down", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship commonly used when the utility model product is used, or is the orientation or position relationship commonly understood by those skilled in the art. Such terms are only used for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] Please refer to Figure 1 The embodiment of the application provides a novel multi-channel transceiver, which comprises a radio frequency module 1, a correction power division module 2 and a radiator 3. The radio frequency module 1 and the correction power division module 2 are arranged through a vertical interdigital structure and are interconnected by blind matching. The inner side of the vertical interdigital structure forms an L-shaped semi-enclosed space. The radiator 3 comprises a radiator body and a radiating surface. The radiator body is arranged in the L-shaped semi-enclosed space and the radiating surface is attached below the bottom surface of the radio frequency module 1.

[0032] The radio frequency module 1 is composed of a plurality of radio frequency units 11, including an h-shaped shell, a common channel arranged in the h-shaped shell, a transmission channel and a receiving channel. The h-shaped shells of the radio frequency module 1 are arranged in the same direction and side by side to form a first interdigital structure, and the transmission channel and the receiving channel are electrically connected to the common channel.

[0033] The common channel is respectively provided with an excitation port 12 and a correction port; wherein the excitation port 12 is arranged on the long finger of the first staggered finger joint structure, the correction port is arranged on the short finger of the first staggered finger joint structure, and the correction power division module 2 is provided with a second staggered finger joint structure relative to the first staggered finger joint structure corresponding to the radio frequency unit 11;

[0034] The side surface of each long finger of the second staggered finger joint structure is provided with a plurality of power division ports relative to the correction port, the first staggered finger joint structure is installed perpendicularly to the second staggered finger joint structure, and the installation surfaces are flush with each other and jointly form a vertical cross finger structure, and the power division ports and the correction ports are electrically connected to each other in a blind matching interconnection mode.

[0035] It should be noted that: the vertical cross finger blind matching interconnection scheme is adopted, the correction power division module 2 is installed on the side surface of the radio frequency module 1, and the two are connected in a blind matching interconnection relationship as shown in Figure 3 , and the structure of the heat sink 3 is omitted. The high-power circuit mainly includes the power amplifier 4 used in the transmission channel and the heat sink 3, and the heat Q of the core power amplifier 4 chip can be efficiently conducted to the heat sink 3.

[0036] As shown in Figure 4 , considering the heat dissipation efficiency, equipment cost and implementation difficulty, we select the passive heat sink 3 as the heat sink 3, the heat sink body is arranged through the fin heat sink 31, the fin heat sink 31 includes a plurality of heat dissipation fins, and is arranged outward relative to the heat dissipation surface. In this way, heat can be dissipated to the lower part of the device, and then the heat is taken away by the air cooling device.

[0037] In addition, by arranging the structural frame 5, the components can be assembled into one body, and the structural strength and integrity of the device are enhanced. The lower part of the structural frame 5 is provided with the fin heat sink 31, the radio frequency module 1 is fastened to the upper part of the structural frame 5 by screws and is attached to the heat dissipation surface. One side surface of the structural frame 5 is also provided with a concave limiting structure, the correction power division module 2 is provided with a convex limiting structure, and is fastened to the side surface of the structural frame 5 by screws and is limited and fixed in cooperation with the concave limiting structure.

[0038] As shown in Figure 5 , in order to ensure that the correction power division module 2 does not interfere with the blind matching connection of the excitation port 12 and the subsequent antenna port of the radio frequency module 1, the BMA type connector is adopted for the excitation port 12, the correction power division module 2 is partially "embedded" into the radio frequency module 1, the correction port and the power division port are both arranged through the SMP-J type connector 6, and the correction port and the power division port are blind matched and interconnected through the SMP-KK type connector 7.

[0039] As shown in Figure 6As shown, in one specific embodiment, to reduce the amplitude and phase errors between channels, each channel circuit is designed consistently, and the port order of the 8-channel is "excitation end - correction end - excitation end - correction end …"; the radio frequency module 1 and the correction power division module 2 both use SMP-J type connectors 6, and the two are connected by an SMP-KK type connector 7 to realize blind interconnection; wherein SMP is the main type of connector, J represents the male head, K represents the female head, and KK represents the adapter with female heads at both ends.

[0040] The circulator and the coupler are common channels used by the transmitting channel and the receiving channel; wherein the coupler is electrically connected with the excitation port 12, the correction port and the circulator respectively, and the circulator is electrically connected with the transmitting channel and the receiving channel respectively; the transmitting channel is provided with an intermediate frequency amplifier, a filter, a mixer and a power amplifier 4 connected in sequence; wherein the power amplifier 4 is arranged below the bottom surface of the radio frequency module 1.

[0041] The receiving channel can be set by an amplitude limiter, a low noise amplifier, a mixer, a filter and an intermediate frequency amplifier connected in sequence; the radio frequency unit 11 is also provided with an intermediate frequency port; wherein the intermediate frequency port is arranged at the opposite side of the excitation port 12 and is electrically connected with the intermediate frequency amplifier; the power amplifier 4 is electrically connected with the circulator.

[0042] In addition, we can determine the number of radio frequency units 11 required according to actual needs, and set the correction power divider in the correction power division module 2 accordingly; wherein the correction power divider is a 1-to-N power divider, including a 1-way power input end and N-way power output ends; the power output ends are electrically connected with the power ports respectively.

[0043] Figure 3 、 Figure 4 and Figure 6 Only the case of N = 8 is shown, of course we can set different N such as 6-way, 12-way, 16-way, etc. to meet the actual needs.

[0044] Note: The power input end and the power output end described above in the correction power division module 2 are defined according to the signal transmission direction when correcting the receiving channel, and vice versa if defined according to the signal transmission direction when correcting the transmitting channel.

[0045] The new multi-channel transceiver device provided in the embodiment can improve the heat conduction efficiency of the high-power circuit, reduce the temperature of the core power amplifier chip of the high-power circuit in a high-temperature environment when working in a 20% duty cycle transmitting mode, and improve the stability and reliability of the circuit.

[0046] The above merely illustrates some embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation, direct / indirect application in other related technical fields based on the technical concept of the present application, and using the content of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. A new multi-channel transceiver device comprising a radio frequency module (1), a correction power division module (2) and a heat sink (3), characterized in that, The radio frequency module (1) and the correction power division module (2) are connected by vertical interdigital structure and blind interconnection, the inner side of the vertical interdigital structure forms L-shaped half-enclosed space; the heat sink (3) includes a heat sink body and a heat dissipation surface; wherein the heat sink body is arranged in the L-shaped half-enclosed space, and the heat dissipation surface is attached below the bottom surface of the radio frequency module (1); The radio frequency module (1) is composed of several radio frequency units (11), including h-shaped shell, common channel arranged in h-shaped shell, transmitting channel and receiving channel; wherein the h-shaped shell of the radio frequency module (1) is arranged in the same direction and side by side to form a first interdigital structure, and the transmitting channel and the receiving channel are respectively electrically connected with the common channel; The common channel is respectively provided with an excitation port (12) and a correction port; wherein the excitation port (12) is arranged on the long finger of the first interdigital structure, and the correction port is arranged on the short finger of the first interdigital structure, and the correction power division module (2) is provided with a second interdigital structure corresponding to the radio frequency unit (11) relative to the first interdigital structure; The side of each long finger of the second interdigital structure is provided with a plurality of power division ports relative to the correction port, the first interdigital structure is perpendicular to the second interdigital structure, and the installation surfaces are flush with each other and jointly form a vertical interdigital structure, the power division ports and the correction ports are electrically connected by blind interconnection.

2. A novel multi-channel transceiver device according to claim 1, characterized in that, The heat sink (3) is a passive heat sink (3), the heat sink body is provided by a fin heat sink (31), the fin heat sink (31) includes a plurality of heat dissipation fins and is arranged outward relative to the heat dissipation surface.

3. A novel multi-channel transceiver device as claimed in claim 2, wherein, A structure frame (5) is also provided, the lower part of the structure frame (5) is provided with a fin heat sink (31), the radio frequency module (1) is fastened on the upper part of the structure frame (5) and attached to the heat dissipation surface, one side of the structure frame (5) is also provided with a concave limiting structure, the correction power division module (2) is provided with a convex limiting structure and is fastened on the side of the structure frame (5) and cooperates with the concave limiting structure to limit and fix.

4. A novel multi-channel transceiver device as claimed in claim 1, wherein, The correction port and the power division port are provided by SMP-J type connector (6), and the correction port and the power division port are connected by SMP-KK type connector (7).

5. A novel multi-channel transceiver device as claimed in claim 1, wherein, The common channel includes a circulator and a coupler; wherein the coupler is electrically connected with the excitation port (12), the correction port and the circulator respectively, and the circulator is electrically connected with the transmitting channel and the receiving channel respectively.

6. A novel multi-channel transceiver device as claimed in claim 1, wherein, The transmitting channel is provided with an intermediate frequency amplifier, a filter, a mixer and a power amplifier (4) connected in sequence; wherein the power amplifier (4) is arranged below the bottom surface of the radio frequency module (1).

7. A novel multi-channel transceiver device as claimed in claim 6, wherein, The radio frequency unit (11) is also provided with an intermediate frequency port; wherein the intermediate frequency port is arranged at the opposite side of the excitation port (12) and is electrically connected with the intermediate frequency amplifier; the power amplifier (4) is electrically connected with the circulator.

8. A novel multi-channel transceiver device as claimed in claim 1, wherein, The correction power divider module (2) is provided with a correction power divider; wherein the correction power divider is a 1-to-N power divider, including a 1-way power division input end and N-way power division output ends; the power division output ends are electrically connected with each power division port correspondingly.

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