High temperature resistant fuzz button integrated interconnection assembly

Abstract

The invention belongs to the technical field of electric contact connection, and particularly relates to a high-temperature-resistant fuzz button integrated interconnection assembly which is matched with a T / R assembly for use, the T / R assembly comprises a structural part V, a T / R vertical interconnection assembly assembled on the structural part V and an LTCC antenna switching module, and the LTCC antenna switching module comprises an LTCC antenna plate, a structural part I and a structural part II which are fixed in sequence; and a fan-out switching module. According to the technical scheme, the high-temperature-resistant fuzz button integrated interconnection assembly is mainly applied to switching interconnection of an LTCC antenna and a T / R assembly, one end of the high-temperature-resistant radio-frequency fuzz button connector is in reliable contact with a first bonding pad on an LTCC antenna board, the other end of the high-temperature-resistant radio-frequency fuzz button connector is in contact with a second bonding pad on a PCB switching board, and high-frequency signal transmission and signal channel position expansion of the LTCC antenna board are achieved; and the T / R vertical interconnection assembly is interconnected with a bonding pad II on the PCB adapter plate, so that reliable adapter interconnection between the LTCC antenna and the T / R assembly at high temperature is realized.

Description

Technical Field

[0001] The invention belongs to the technical field of electrical contact connection, and in particular relates to a high-temperature resistant wool button integrated interconnection component. Background Art

[0002] As weapons and equipment develop towards high frequency, high density, and high integration, new forms of hairy button contact are also gradually and rapidly developing. In order to vertically interconnect and transmit signals, it is necessary not only to provide a certain degree of elasticity, but also to be able to contact reliably. CN202220542691.8 proposes a RF vertical interconnection module based on hairy buttons, including a RF vertical interconnection module, an upper antenna arranged above the RF vertical interconnection module, and a lower circuit board arranged below the RF vertical interconnection module. The microwave vertical interconnection between the upper antenna and the lower circuit board is realized through the hairy button connector channel on the RF vertical interconnection module. CN201811451894.0 discloses a low-cost navigation RF front-end module based on LTCC antenna, by arranging LNA circuit electronic components and LTCC antenna integrated on PCB substrate, and arranging LNA circuit electronic components and wiring on PCB substrate together to form LAN circuit, LTCC antenna and LAN circuit are electrically connected, and the electronic components and antenna on the PCB substrate are packaged as a whole by using packaging structure, so that LTCC antenna and LNA circuit are integrated, so that the navigation RF front-end module can be directly SMT on the system circuit board, without external matching circuit, and simple installation and arrangement. CN106711565A discloses a miniaturized three-dimensional inverted T / R component, the upper and lower ends of the H-shaped structural member are respectively provided with cavities and closed by a cover plate, which solves the problems of miniaturization, high reliability, easy maintenance, and low cost.

[0003] In the above invention, only the problem of LTCC vertical interconnection is solved by the wool button, but the problem of LTCC high temperature fixation and reliable interconnection at high temperature is not solved. Therefore, a high temperature resistant wool button integrated interconnection component is proposed. Summary of the invention

[0004] The present invention aims at solving the problems in the prior art and proposes the following technical solutions:

[0005] A high temperature resistant fur button integrated interconnection component is adapted for use with a T / R component, wherein the T / R component comprises a structural member five, a T / R vertical interconnection component assembled on the structural member five, and

[0006] An LTCC antenna adapter module, the LTCC antenna adapter module comprising an LTCC antenna board, a first structural member and a second structural member fixed in sequence, the LTCC antenna board having an antenna, an integrated circuit and a plurality of first solder pads, the plurality of first solder pads being interconnected with a high temperature resistant RF button connector and a high temperature resistant button load respectively;

[0007] A fan-out adapter module, the fan-out adapter module comprising a third structural member, a PCB adapter board and a fourth structural member fixed in sequence, the PCB adapter board having an integrated circuit and a plurality of pads 2;

[0008] The movable end of the high temperature resistant RF button connector passes through structural part one, structural part two, and structural part three and then is interconnected with pad two on the PCB adapter board. The T / R vertical interconnection component passes through structural part four and then is interconnected with pad two on the PCB adapter board.

[0009] As a preferred embodiment of the above technical solution, the LTCC antenna board and structural member one are fixed by a T-shaped fixing pin, one end of the T-shaped fixing pin is installed in a step hole opened on the LTCC antenna board, and the other end passes through structural member one and is fixed by a C-shaped clamping ring.

[0010] As a preferred embodiment of the above technical solution, the outside of the T-shaped fixing pin is wrapped with polytetrafluoroethylene.

[0011] As a preferred embodiment of the above technical solution, a positioning pin is provided on the structural component one, and the positioning pin is a cylinder with a step. The small end of the positioning pin cooperates with the step hole on the LTCC antenna board to position the LTCC antenna board, and the large end of the positioning pin contacts the structural component two to limit the structural component two.

[0012] As a preferred embodiment of the above technical solution, both the first structural member and the second structural member are provided with a step hole;

[0013] The high temperature resistant RF button connector is provided with a flange 1, and the flange 1 is gap matched with the step holes on the first and second structural parts; the high temperature resistant button load is provided with a flange 2, and the flange 2 is gap matched with the step holes on the first and second structural parts;

[0014] The high temperature resistant radio frequency button connector and the high temperature resistant button load both have ohmic impedance matching.

[0015] As a preferred embodiment of the above technical solution, the high temperature resistant radio frequency button connector includes an outer conductor 1, a button 1 arranged inside the outer conductor 1, and a dielectric body 1 arranged between the outer conductor 1 and the button 1. Both ends of the button 1 extend to the outside of the outer conductor 1 and are connected to a protective cap 1. The two protective caps 1 are interconnected with a solder pad 1 on the LTCC antenna board and a solder pad 2 on the PCB adapter board, respectively.

[0016] As a preferred embodiment of the above technical solution, the high temperature resistant wool button load includes an outer conductor 2, a wool button 2 arranged inside the outer conductor 2, and a dielectric body 2 arranged between the outer conductor 2 and the wool button 2. One end of the wool button 2 extends to the outside of the outer conductor 2 and is connected to a protective cap 2. The protective cap 2 is interconnected with a solder pad 1 of the LTCC antenna board.

[0017] As a preferred embodiment of the above technical solution, the dielectric body 1 and the dielectric body 2 are both made of polyimide material;

[0018] The wool button 1 and the wool button 2 are both elastic cylinders made of high temperature resistant material, and the high temperature resistant material is tungsten wire or molybdenum wire.

[0019] As a preferred embodiment of the above technical solution, the structural member 3 is provided with a plurality of through holes for accommodating the high temperature resistant radio frequency wool button connector, and the diameter of the through hole is larger than the diameter of the mating end of the high temperature resistant radio frequency wool button connector;

[0020] The diameter of the second pad on the PCB adapter plate is greater than the diameter of the first wool button.

[0021] The beneficial effects of the present invention are:

[0022] 1. The high-temperature resistant fur button integrated interconnection component in this technical solution is mainly used for the transfer interconnection between LTCC antennas and T / R components. One end of the high-temperature resistant RF fur button connector is reliably in contact with the first pad on the LTCC antenna board, and the other end is in contact with the second pad on the PCB adapter board, thereby realizing high-frequency signal transmission from the LTCC antenna board and signal channel position expansion; in conjunction with the T / R vertical interconnection component and the second pad on the PCB adapter board, reliable transfer interconnection between the LTCC antenna and the T / R component at high temperature is realized.

[0023] 2. A high-temperature resistant fur button integrated interconnection component in the technical solution, in which the LTCC antenna board, structural component one and structural component two are fixed by a mechanical structure, can not only solve the fixation problem of LTCC, but also play a certain vibration reduction role on the LTCC antenna board through the elastic interconnection of the high-temperature resistant RF fur button connector in a vibration environment, thereby improving the interconnection reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 What is shown is a schematic diagram of the planar structure of the high temperature resistant wool button integrated interconnection assembly in Example 1;

[0025] Figure 2 What is shown is a schematic diagram of the three-dimensional structure of the high temperature resistant wool button integrated interconnection assembly in Example 1 from a first viewing angle;

[0026] Figure 3The figure shows a schematic diagram of the three-dimensional structure of the high temperature resistant wool button integrated interconnection assembly in Example 1 from a second viewing angle;

[0027] Figure 4 The figure shows an exploded schematic diagram of the LTCC antenna adapter module in Example 1;

[0028] Figure 5 The figure shows the assembly state of the LTCC antenna board and the first structural member in the LTCC antenna adapter module in the embodiment 1;

[0029] Figure 6 The structure diagram of the radio frequency button connector in the LTCC antenna adapter module in Example 1 is shown;

[0030] Figure 7 The structure diagram of the hair button load in the LTCC antenna adapter module in Example 1 is shown;

[0031] Figure 8 The diagram shows an exploded view of the fan-out switching module in Embodiment 1.

[0032] Reference numerals: LTCC antenna adapter module 10; LTCC antenna board 11; T-shaped fixing pin 111; C-shaped clamp 112; structural part 1 12; positioning pin 121; high temperature resistant RF button connector 13; dielectric body 1 131; button 1 132; protective cap 1 133; outer conductor 1 134; high temperature resistant button load 14; dielectric body 2 141; button 2 142; protective cap 2 143; outer conductor 2 144; structural part 2 15;

[0033] Fan-out adapter module 20; structural component three 21; PCB adapter board 22; structural component four 23;

[0034] T / R assembly 30; structural member five 31; T / R vertical interconnect assembly 32. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0036] Example 1

[0037] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 8As shown, in this embodiment, the structural member 12, the structural member 2 15, the structural member 3 21, the structural member 4 23, and the structural member 5 31 are all ceramic plates, high temperature resistant wool button integrated interconnection components, and are adapted for use with the T / R component 30. The T / R component 30 includes the structural member 5 31, the T / R vertical interconnection component 32 assembled on the structural member 5 31, including

[0038] LTCC antenna adapter module 10, the LTCC antenna adapter module 10 includes an LTCC antenna board 11, a structural member 12 and a structural member 2 15 fixed in sequence, the LTCC antenna board 11 has an antenna, an integrated circuit and a plurality of pads 1, which can withstand a high temperature of more than 250°C, the antenna is provided with a plurality of step holes and through holes, and has a 50 ohm impedance matching, the plurality of pads 1 are respectively interconnected with a high temperature resistant RF fur button connector 13 and a high temperature resistant fur button load 14, and the high temperature resistant RF fur button connector 13 and the high temperature resistant fur button load 14 both have a 50 ohm impedance matching;

[0039] The fan-out adapter module 20 includes a third structural member 21, a PCB adapter board 22, and a fourth structural member 23 fixed in sequence. In this embodiment, the third structural member 21, the PCB adapter board 22, and the fourth structural member 23 can be assembled by screws. The PCB adapter board 22 has an integrated circuit and a plurality of pads 2.

[0040] The active end of the high temperature resistant RF button connector 13 passes through structural member 1 12 , structural member 2 15 , and structural member 3 21 and then is interconnected with pad 2 on the PCB adapter board 22 . The T / R vertical interconnection component 32 passes through structural member 4 23 and then is interconnected with pad 2 on the PCB adapter board 22 .

[0041] The high-temperature resistant fur button integrated interconnection component in the present technical solution is mainly used for the transfer interconnection between LTCC antennas and T / R components. One end of the high-temperature resistant RF fur button connector 13 is reliably in contact with the first pad on the LTCC antenna board 11, and the other end is in contact with the second pad on the PCB adapter board 22, so as to realize the high-frequency signal transmission and signal channel position expansion of the LTCC antenna board 11; cooperate with the T / R vertical interconnection component 32 to interconnect with the second pad on the PCB adapter board 22, so as to realize the reliable transfer interconnection between the LTCC antenna and the T / R component at high temperature.

[0042] The technical solution is a high-temperature resistant fur button integrated interconnection component, in which the LTCC antenna board 11, structural component one 12 and structural component two 15 are fixed by a mechanical structure in the LTCC antenna adapter module 10, which can not only solve the fixation problem of LTCC, but also play a certain vibration reduction role on the LTCC antenna board 11 through the elastic interconnection of the high-temperature resistant RF fur button connector 13 in a vibration environment, thereby improving the interconnection reliability.

[0043] More specifically, the sequential fixing method of the components in the LTCC antenna adapter module 10 is mainly as follows: Figure 4 As shown, the LTCC antenna board 11 and the structural member 12 are fixed by a T-shaped fixing pin 111, one end of the T-shaped fixing pin 111 is installed in a step hole opened on the LTCC antenna board 11, and the other end passes through the structural member 12 and is fixed by a C-shaped clamping ring 112; the mechanical fixation between the LTCC antenna board 11 and the structural member 12 is realized, and the assembly is simple and convenient.

[0044] In this embodiment, the first structural member 12 and the second structural member 15 can be assembled by screws.

[0045] Furthermore, in order to improve the reliability of the interconnection of the high-temperature resistant wool button integrated interconnection assembly, the outside of the T-shaped fixing pin 111 is wrapped with polytetrafluoroethylene; the setting of polytetrafluoroethylene has a lubricating and shock-absorbing effect on the LTCC antenna board 11 and the structural component 12, avoiding the LTCC antenna board 11 and the structural component 12 from cracking in a vibration or impact environment, thereby ensuring reliable interconnection.

[0046] Among them, Figure 5 As shown, a positioning pin 121 is provided on the structural part 12. The positioning pin 121 is a cylindrical body with a step. The small end of the positioning pin 121 cooperates with the step hole on the LTCC antenna board 11 to position the LTCC antenna board 11, and the large end of the positioning pin 121 contacts the structural part 2 15 to limit the structural part 2 15. The positioning pin 121 is provided so that the small end (upper end) positions the LTCC antenna board 11 to reduce the radial tolerance, and the large end (lower end) limits the structural part 2 15 to reduce the axial installation space, improve the assembly accuracy of the LTCC antenna adapter module 10, and improve the stability of the positions of the components after assembly.

[0047] In order to solve the problem of matching the high temperature resistant RF button connector 13, the high temperature resistant button load 14 with the structural part 12 and the structural part 2 15, as Figure 4 As shown, both structural member 12 and structural member 2 15 are provided with stepped holes; flange 1 is provided on the high temperature resistant RF wool button connector 13, and the main body of the high temperature resistant RF wool button connector 13 passes through structural member 12 and structural member 2 15, and flange 1 is gap-matched with the stepped holes on structural member 12 and structural member 2 15; flange 2 is provided on the high temperature resistant wool button load 14, and the main body of the high temperature resistant wool button load 14 passes through structural member 12 and structural member 2 15, and flange 2 is gap-matched with the stepped holes on structural member 12 and structural member 2 15, which is simple to assemble and convenient to disassemble.

[0048] like Figure 4 , Figure 6As shown, the high temperature resistant RF button connector 13 includes an outer conductor 134, a button 132 arranged inside the outer conductor 134, and a dielectric body 131 arranged between the outer conductor 134 and the button 132. Both ends of the button 132 extend to the outside of the outer conductor 134 and are connected to a protective cap 133. The two protective caps 133 are interconnected with the pad 1 of the LTCC antenna board 11 and the pad 2 on the PCB adapter board 22, respectively.

[0049] In the high temperature resistant RF button connector 13, the button 132 realizes reliable interconnection between the pad 1 of the LTCC antenna board 11 and the pad 2 on the PCB adapter board 22 through the protective cap 133, the outer conductor 134 has a protective function for the whole, the dielectric body 131 isolates and insulates the button 132 and maintains the stable position of the button 132, ensuring the electrical performance and mechanical strength of the button 132, thereby ensuring the reliability of the interconnection of the high temperature resistant button integrated interconnection assembly.

[0050] The high temperature resistant button load 14 is used to absorb useless power in the interconnection components, avoid reflection and interference of such energy in the interconnection components, thereby protecting the stability and reliability of the interconnection components; provide a stable load, improve the matching of the circuit, reduce signal reflection and signal interference, etc. Figure 4 , Figure 7 As shown, the high temperature resistant wool button load 14 includes an outer conductor 144, a wool button 142 arranged inside the outer conductor 144, and a dielectric body 141 arranged between the outer conductor 144 and the wool button 142. One end of the wool button 142 extends to the outside of the outer conductor 144 and is connected to a protective cap 143. The protective cap 143 is interconnected with a solder pad 1 of the LTCC antenna board 11.

[0051] In the high temperature resistant wool button load 14, the wool button 2 142 is reliably interconnected with the pad 1 on the LTCC antenna board 11 through the protective cap 2 143, the outer conductor 2 144 protects the high temperature resistant wool button load 14 as a whole, the dielectric body 2 141 isolates and insulates the wool button 2 142 and maintains the position of the wool button 2 142 stable, ensuring the electrical performance and mechanical strength of the wool button 2 142, thereby ensuring the reliability of the interconnection of the high temperature resistant wool button integrated interconnection components.

[0052] In order to adapt to the situation that the interconnected components generate heat during operation, the technical solution has high temperature resistance conditions and does not need to add a separate heat dissipation structure. Specifically, the dielectric body 131 and the dielectric body 2 141 are both made of polyimide material, which can withstand high temperatures above 300°C for a long time; at the same time, the wool button 132 and the wool button 2 142 are elastic cylinders made of high temperature resistant materials, and the high temperature resistant materials are tungsten wire or molybdenum wire; so that the high temperature resistant RF wool button connector 13 and the high temperature resistant wool button load 14 have high temperature resistance performance, which can adapt to the situation that the interconnected components generate heat during operation; at the same time, the wool button 132 and the wool button 2 142 are both set as elastic cylinders, which are elastically interconnected with the LTCC antenna board 11 and the PCB adapter board 22, thereby improving the reliability of the interconnection and being more adaptable to vibration and impact environments.

[0053] To realize the interconnection setting between the high temperature resistant RF button connector 13 and the pad 2 on the PCB adapter board 22, as shown in FIG. Figure 8 As shown, a plurality of through holes for accommodating the high temperature resistant RF furry button connector 13 are provided on the structural part three 21, and the diameter of the through hole is larger than the diameter of the mating end of the high temperature resistant RF furry button connector 13; when the LTCC antenna adapter module 10 and the fan-out adapter module 20 are assembled, the high temperature resistant RF furry button connector 13 passes through the through hole opened on the structural part three 21, and then is interconnected with the pad two on the PCB adapter board 22; to further ensure the reliability of the interconnection, the diameter of the pad two on the PCB adapter board 22 is larger than the diameter of the furry button one 132.

[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. A high temperature resistant wool button integrated interconnection assembly adapted for use with a T / R assembly (30), wherein the T / R assembly (30) comprises a structural member five (31), and a T / R vertical interconnection assembly (32) assembled on the structural member five (31), characterized in that: include An LTCC antenna adapter module (10), the LTCC antenna adapter module (10) comprising an LTCC antenna board (11), a structural component 1 (12) and a structural component 2 (15) fixed in sequence, the LTCC antenna board (11) having an antenna, an integrated circuit and a plurality of solder pads 1, the plurality of solder pads 1 being interconnected with a high temperature resistant radio frequency button connector (13) and a high temperature resistant button load (14); A fan-out adapter module (20), the fan-out adapter module (20) comprising a third structural member (21), a PCB adapter board (22) and a fourth structural member (23) fixed in sequence, the PCB adapter board (22) having an integrated circuit and a plurality of second solder pads; The movable end of the high temperature resistant radio frequency button connector (13) passes through structural component one (12), structural component two (15), and structural component three (21) and then is interconnected with pad two on the PCB adapter board (22); the T / R vertical interconnection component (32) passes through structural component four (23) and then is interconnected with pad two on the PCB adapter board (22).

2. The high temperature resistant wool button integrated interconnection assembly according to claim 1, characterized in that: The LTCC antenna plate (11) is fixed to the first structural member (12) via a T-shaped fixing pin (111); one end of the T-shaped fixing pin (111) is installed in a stepped hole provided on the LTCC antenna plate (11), and the other end passes through the first structural member (12) and is fixed by a C-shaped clamping ring (112).

3. The high temperature resistant wool button integrated interconnection assembly according to claim 2, characterized in that: The outside of the T-shaped fixing pin (111) is wrapped with polytetrafluoroethylene.

4. The high temperature resistant wool button integrated interconnection assembly according to claim 1, characterized in that: The first structural member (12) is provided with a positioning pin (121), the positioning pin (121) is a cylindrical body with a step, the small end of the positioning pin (121) cooperates with the step hole on the LTCC antenna board (11) to position the LTCC antenna board (11), and the large end of the positioning pin (121) contacts the second structural member (15) to limit the second structural member (15).

5. The high temperature resistant wool button integrated interconnection assembly according to claim 1, characterized in that: The structural member 1 (12) and the structural member 2 (15) are both provided with a stepped hole; The high temperature resistant RF button connector (13) is provided with a flange 1, and the flange 1 is gap-matched with the step holes on the first structural member (12) and the second structural member (15); the high temperature resistant button load (14) is provided with a flange 2, and the flange 2 is gap-matched with the step holes on the first structural member (12) and the second structural member (15); The high temperature resistant radio frequency button connector (13) and the high temperature resistant button load (14) both have (50) ohm impedance matching.

6. The high temperature resistant wool button integrated interconnection assembly according to claim 1, characterized in that: The high temperature resistant radio frequency button connector (13) comprises an outer conductor (134), a button (132) arranged inside the outer conductor (134), and a dielectric body (131) arranged between the outer conductor (134) and the button (132); both ends of the button (132) extend to the outside of the outer conductor (134) and are connected to a protective cap (133); the two protective caps (133) are respectively interconnected with a solder pad (1) of the LTCC antenna board (11) and a solder pad (2) on the PCB adapter board (22).

7. The high temperature resistant wool button integrated interconnection assembly according to claim 6, characterized in that: The high temperature resistant wool button load (14) comprises an outer conductor (144), a wool button (142) arranged inside the outer conductor (144), and a dielectric body (141) arranged between the outer conductor (144) and the wool button (142); one end of the wool button (142) extends to the outside of the outer conductor (144) and is connected to a protective cap (143); the protective cap (143) is interconnected with a solder pad (143) of the LTCC antenna board (11).

8. The high temperature resistant wool button integrated interconnection assembly according to claim 7, characterized in that: The dielectric body 1 (131) and the dielectric body 2 (141) are both made of polyimide material; The wool button one (132) and the wool button two (142) are both elastic cylinders made of high temperature resistant material, and the high temperature resistant material is tungsten wire or molybdenum wire.

9. The high temperature resistant wool button integrated interconnection assembly according to claim 6, characterized in that: The structural member 3 (21) is provided with a plurality of through holes for accommodating the high temperature resistant radio frequency wool button connector (13), and the diameter of the through hole is larger than the diameter of the mating end of the high temperature resistant radio frequency wool button connector (13); The diameter of the second soldering pad on the PCB adapter plate (22) is greater than the diameter of the first wool button (132).

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