LTCC-based radio frequency front-end module
By setting the thermally conductive copper block and heat dissipation fins on the substrate of the RF module, and raising the module with the installation block and installation mechanism to form a heat dissipation space, the problem of poor heat dissipation after the installation of the RF module is solved, and a better heat dissipation effect is achieved.
Patent Information
- Application Number
- CN202421680566.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-16
AI Technical Summary
After installation, the existing RF modules are small in contact with electronic equipment, which makes heat difficult to dissipate and cannot achieve good heat dissipation effect.
A LTCC-based radio frequency front-end module is designed to form a heat dissipation space by providing a heat dissipation assembly on the substrate, including a thermally conductive copper block and a heat dissipation fin, and lifting the radio frequency module through the mounting block and the installation mechanism.
It effectively improves the heat dissipation effect of the radio frequency module, avoids the problem of excessive temperature, and at the same time, better heat conduction and dissipation are achieved through the combination of thermally conductive copper blocks and heat dissipation fins.
Smart Images
Figure CN222981533U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of communications, and particularly relates to a LTCC radio frequency front-end module. Background Technique
[0002] LTCC (Low Temperature Co-fired Ceramic) technology, as a packaging technology capable of forming highly integrated multi-layer wiring, has introduced a new idea for the design of traditional microwave circuits and systems with its three-dimensional structure. The LTCC radio frequency front-end module has covered multiple industries including wireless communication, automotive, military, aerospace, and medical.
[0003] The utility model with the patent application publication number CN 218977175 U discloses a radio frequency module with a heat dissipation function. The heat generated by the radio frequency module body can be collected through a heat absorption plate. At this time, the heat absorption plate will conduct the absorbed heat into the heat sink. Under the action of the heat sink, the heat absorbed by itself is released to the outside, thereby dissipating heat from the radio frequency module body.
[0004] The radio frequency module is used by assembling it with an electronic device. When the radio frequency module is directly in contact with the electronic device and the gap between the radio frequency module and the electronic device is small after installation, the heat on the side of the radio frequency module in contact with the device is not easily dissipated, and a good heat dissipation effect cannot be achieved. Content of the Utility Model
[0005] The purpose of the utility model is to provide a LTCC radio frequency front-end module to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solutions:
[0007] A LTCC radio frequency front-end module includes a substrate. Above the substrate is provided a radio frequency module body. Four corners of the bottom of the radio frequency module body are fixedly connected with mounting blocks. Mounting holes are opened on one side of each of the four mounting blocks. Mounting mechanisms are arranged on the left and right sides of the bottom of the radio frequency module body.
[0008] The installation mechanism includes mounting seats arranged on both sides of the bottom of the RF module body. The bottoms of the two mounting seats are fixedly connected to the top of the substrate. A pull rod penetrates through the back side of each of the two mounting seats. Springs are sleeved on the outer walls of the two pull rods. The opposite ends of the two springs are respectively fixedly connected to the back surfaces of the two mounting seats. Both sides of the ends of the two pull rods extending into the interior of the mounting seats are rotatably connected to rotating connecting rods. Slide rods are arranged inside the two mounting seats. Fixed plates are fixedly connected to the front and rear ends of the two slide rods. Sliding blocks are symmetrically arranged on the front and rear sides of the surfaces of the two slide rods. Return springs are sleeved on the front and rear ends of the two slide rods. One ends of the four return springs are respectively fixedly connected to the surfaces of the four fixed plates, and the other ends of the four return springs are respectively fixedly connected to the surfaces of the four sliding blocks. The ends of the four rotating connecting rods away from the pull rods are respectively rotatably connected to the surfaces of the four sliding blocks. The ends of the four sliding blocks away from the rotating connecting rods are all fixedly connected with mounting rods.
[0009] As a preferred solution of the present utility model, the outer walls of the two pull rods are respectively slidably connected to the back sides of the two mounting seats. The bottom ends of the four mounting blocks respectively extend to the front and rear ends inside the two mounting seats, and the surfaces of the four mounting blocks are respectively slidably connected to the inner walls of the two mounting seats.
[0010] As a preferred solution of the present utility model, the bottoms of the four fixed plates are respectively fixedly connected to the bottoms of the inner cavities of the two mounting seats, and the inner walls of the four sliding blocks are respectively slidably connected to the outer walls of the two slide rods.
[0011] As a preferred solution of the present utility model, the ends of the four mounting rods away from the sliding blocks respectively extend into the interiors of the four mounting holes, and the outer wall of the mounting rod is slidably connected to the inner wall of the mounting hole.
[0012] As a preferred solution of the present utility model, a heat dissipation component is arranged in the middle of the substrate. The heat dissipation component includes a mounting groove opened on the top of the substrate, and heat dissipation fins penetrate through the bottom of the mounting groove.
[0013] As a preferred solution of the present utility model, the four corners at the top of the heat dissipation fins are connected to the bottom of the inner cavity of the mounting groove by bolts. A heat conducting copper block is fixedly connected to the top of the heat dissipation fin. The number of the heat conducting copper blocks is four. The tops of the four heat conducting copper blocks are in contact with the bottom of the RF module body.
[0014] Compared with the prior art, the beneficial effects of the present utility model are:
[0015] 1. In the present utility model, by inserting four mounting blocks into the interior of the mounting base and using the mounting rod to be clamped in the mounting hole, the radio frequency module body can be fixedly installed, and the radio frequency module body can be lifted, leaving a space between the radio frequency module body and the substrate, which is conducive to heat dissipation.
[0016] 2. In the present utility model, the heat of the radio frequency module body is conducted by the heat-conducting copper block contacting the bottom of the radio frequency module body and dissipated by the heat-dissipating fins, avoiding the temperature of the radio frequency module body from being too high. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic structural view of the present utility model;
[0018] Figure 2 is a schematic structural view of the radio frequency module body of the present utility model;
[0019] Figure 3 is a schematic structural view of the heat dissipation component of the present utility model;
[0020] Figure 4 is a schematic top view sectional structural view of the mounting base of the present utility model.
[0021] In the figure: 1, substrate; 2, radio frequency module body; 3, mounting block; 4, mounting hole; 5, mounting mechanism; 501, mounting base; 502, pull rod; 503, spring; 504, rotating connecting rod; 505, sliding rod; 506, fixing plate; 507, return spring; 508, sliding block; 509, mounting rod; 6, heat dissipation component; 601, mounting groove; 602, heat-conducting copper block; 603, heat-dissipating fins. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are given. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.
[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are only for the purpose of illustration.
[0025] Unless otherwise defined, all technical and scientific terms used in this article have the same meaning as commonly understood by those of ordinary skill in the technical field to which this utility model belongs. The terms used in the specification of this utility model in this article are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this article includes any and all combinations of one or more of the related listed items.
[0026] For the embodiments, please refer to Figure 1 , Figure 2 , Figure 4 , this utility model provides a technical solution:
[0027] A LTCC-based radio frequency front-end module includes a substrate 1. Above the substrate 1, there is a radio frequency module body 2. Four corners of the bottom of the radio frequency module body 2 are fixedly connected with mounting blocks 3. On one side of each of the four mounting blocks 3, there is a mounting hole 4. On the left and right sides of the bottom of the radio frequency module body 2, there are mounting mechanisms 5. The mounting mechanism 5 includes mounting seats 501 arranged on both sides of the bottom of the radio frequency module body 2. The bottoms of the two mounting seats 501 are fixedly connected to the top of the substrate 1. On the opposite sides of the two mounting seats 501, there is a pull rod 502 passing through. On the outer walls of the two pull rods 502, there is a spring 503 sleeved. The opposite ends of the two springs 503 are respectively fixedly connected to the opposite side surfaces of the two mounting seats 501. On both sides of the ends of the two pull rods 502 extending into the mounting seats 501, there is a rotating connecting rod 504 rotatably connected. Inside the two mounting seats 501, there are sliding rods 505. At the front and rear ends of the two sliding rods 505, there are fixed plates 506 fixedly connected. On the front and rear sides of the surfaces of the two sliding rods 505, there are sliding blocks 508 symmetrically arranged. At the front and rear ends of the two sliding rods 505, there is a return spring 507 sleeved. One ends of the four return springs 507 are respectively fixedly connected to the surfaces of the four fixed plates 506. The other ends of the four return springs 507 are respectively fixedly connected to the surfaces of the four sliding blocks 508. The ends of the four rotating connecting rods 504 away from the pull rods 502 are respectively rotatably connected to the surfaces of the four sliding blocks 508. The ends of the four sliding blocks 508 away from the rotating connecting rods 504 are all fixedly connected with mounting rods 509.
[0028] As Figure 4As shown, the outer walls of the two pull rods 502 are respectively slidably connected to the opposite sides of the two mounting seats 501. The bottom ends of the four mounting blocks 3 respectively extend to the front and rear ends inside the two mounting seats 501. The surfaces of the four mounting blocks 3 are respectively slidably connected to the inner walls of the two mounting seats 501. The bottoms of the four fixing plates 506 are respectively fixedly connected to the bottom of the inner cavity of the two mounting seats 501. The inner walls of the four sliding blocks 508 are respectively slidably connected to the outer walls of the two sliding rods 505. The ends of the four mounting rods 509 away from the sliding blocks 508 respectively extend into the four mounting holes 4. The outer wall of the mounting rod 509 is slidably connected to the inner wall of the mounting hole 4.
[0029] As Figure 1 , Figure 3 shown, a heat dissipation component 6 is provided in the middle of the substrate 1. The heat dissipation component 6 includes a mounting groove 601 opened at the top of the substrate 1. A heat dissipation fin 603 penetrates through the bottom of the mounting groove 601. The four corners at the top of the heat dissipation fin 603 are connected to the bottom of the inner cavity of the mounting groove 601 by bolts. A heat conducting copper block 602 is fixedly connected to the top of the heat dissipation fin 603. The number of the heat conducting copper blocks 602 is four. The tops of the four heat conducting copper blocks 602 are in contact with the bottom of the radio frequency module body 2.
[0030] The working process of the present utility model: When in use, insert the four mounting blocks 3 into the two mounting seats 501 on both sides respectively. By pulling the two pull rods 502 on both sides, the two pull rods 502 drive the sliding blocks 508 to slide on the surface of the sliding rods 505 by using the rotating connecting rods 504 to stretch the return springs 507. The mounting rods 509 move closer to the middle. The four mounting blocks 3 slide downwards. The bottom of the mounting block 3 contacts the bottom of the inner cavity of the mounting seat 501. Then release the pull rod 502. Under the action of the spring 503 and the return spring 507, the four mounting rods 509 move away from each other respectively and are inserted into the four mounting holes 4 to fix the mounting blocks 3, completing the installation of the radio frequency module body 2. There is a heat dissipation space between the radio frequency module body 2 and the substrate 1, making the heat dissipation effect better. The heat conducting copper block 602 is in contact with the bottom of the radio frequency module body 2, which can conduct heat, and the heat is dissipated by using the heat dissipation fins 603.
[0031] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A LTCC-based radio frequency front-end module, comprising a substrate (1), characterized in that: A radio frequency module body (2) is arranged above the substrate (1); four corners of the bottom of the radio frequency module body (2) are fixedly connected to mounting blocks (3); one side of each of the four mounting blocks (3) is provided with a mounting hole (4); and mounting mechanisms (5) are arranged on the left and right sides of the bottom of the radio frequency module body (2); The mounting mechanism (5) comprises mounting seats (501) arranged on both sides of the bottom of the radio frequency module body (2), the bottoms of the two mounting seats (501) are fixedly connected to the top of the substrate (1), the opposite sides of the two mounting seats (501) are penetrated by a pull rod (502), the outer walls of the two pull rods (502) are sleeved with springs (503), the opposite ends of the two springs (503) are respectively fixedly connected to the opposite side surfaces of the two mounting seats (501), the two pull rods (502) extend to the inside of the mounting seats (501) and are rotatably connected to the two sides of the end thereof, the two mounting seats (501) are provided with a sliding rod (505), and the two sliding rods (505) The front and rear ends are fixedly connected with a fixed plate (506), the front and rear sides of the surfaces of the two sliding rods (505) are symmetrically provided with sliding blocks (508), the front and rear ends of the two sliding rods (505) are sleeved with return springs (507), one end of the four return springs (507) is respectively fixedly connected to the surfaces of the four fixed plates (506), the other ends of the four return springs (507) are respectively fixedly connected to the surfaces of the four sliding blocks (508), the ends of the four rotating connecting rods (504) away from the pull rod (502) are respectively rotatably connected to the surfaces of the four sliding blocks (508), and the ends of the four sliding blocks (508) away from the rotating connecting rod (504) are fixedly connected to the installation rod (509).
2. The LTCC-based RF front-end module according to claim 1, characterized in that: The outer walls of the two pull rods (502) are respectively slidably connected to the opposite sides of the two mounting seats (501), the bottom ends of the four mounting blocks (3) respectively extend to the front and rear ends inside the two mounting seats (501), and the surfaces of the four mounting blocks (3) are respectively slidably connected to the inner walls of the two mounting seats (501).
3. The LTCC-based RF front-end module according to claim 1, characterized in that: The bottoms of the four fixed plates (506) are respectively fixedly connected to the bottoms of the inner cavities of the two mounting seats (501), and the inner walls of the four sliding blocks (508) are respectively slidably connected to the outer walls of the two sliding rods (505).
4. The LTCC-based RF front-end module according to claim 1, characterized in that: One end of the four mounting rods (509) away from the sliding block (508) extends to the inside of the four mounting holes (4) respectively, and the outer wall of the mounting rod (509) is slidably connected to the inner wall of the mounting hole (4).
5. The LTCC-based RF front-end module according to claim 1, characterized in that: A heat dissipation component (6) is provided in the middle of the base plate (1), and the heat dissipation component (6) comprises a mounting groove (601) opened on the top of the base plate (1), and a heat dissipation fin (603) penetrates the bottom of the mounting groove (601).
6. The LTCC-based RF front-end module according to claim 5, characterized in that: The four corners of the top of the heat dissipation fin (603) are connected to the bottom of the inner cavity of the mounting groove (601) by bolts, and the top of the heat dissipation fin (603) is fixedly connected to a heat conductive copper block (602). The number of the heat conductive copper blocks (602) is four, and the tops of the four heat conductive copper blocks (602) are in contact with the bottom of the RF module body (2).