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CN-224218637-U - High-frequency high-speed circuit board

CN224218637UCN 224218637 UCN224218637 UCN 224218637UCN-224218637-U

Abstract

The utility model provides a high frequency high-speed circuit board, includes shell and installation piece, the outer wall and the installation piece fixed connection of shell, the upper end and the apron fixed connection of shell, the middle part and the collar fixed connection of apron, micro fan is installed to the inner wall of collar, the inner wall of shell is connected with installation mechanism. Through rubber piece and shell as an organic whole, the clamp splice is as an organic whole with the apron, puts into the recess the rubber piece surface with high-speed circuit board mechanism inside, covers the upper end at the shell with the apron, screw in rubber piece and clamp splice the inside to the set screw, makes clamp splice and rubber piece carry out the effect of pressing from both sides tight installation to high-speed circuit board mechanism, need not to install the casing inside to high-speed circuit board mechanism alone after, installs the apron on the casing again, reaches the effect that an organic whole was assembled.

Inventors

  • YAO FENG
  • ZHOU BIN

Assignees

  • 桂林创研科技有限公司
  • 桂林光启光电子科技有限公司

Dates

Publication Date
20260508
Application Date
20250508

Claims (7)

  1. 1. The high-frequency high-speed circuit board comprises a shell (1) and a mounting block (2), wherein the outer wall of the shell (1) is fixedly connected with the mounting block (2), and the high-frequency high-speed circuit board is characterized in that the upper end of the shell (1) is fixedly connected with a cover plate (3), the middle part of the cover plate (3) is fixedly connected with a mounting ring (4), a micro fan (5) is mounted on the inner wall of the mounting ring (4), and a mounting mechanism (6) is connected with the inner wall of the shell (1).
  2. 2. The high-frequency and high-speed circuit board according to claim 1, wherein the mounting mechanism (6) comprises a rubber block (601), the lower end of the rubber block (601) is fixedly connected with the shell (1), the inner wall of the rubber block (601) is in threaded connection with a fixing screw (602), and the inner wall of the fixing screw (602) is fixedly connected with a clamping block (603).
  3. 3. The high-frequency and high-speed circuit board according to claim 2, wherein the upper end of the clamping block (603) is fixedly connected with the cover plate (3), the outer wall of the fixing screw (602) is in threaded connection with the cover plate (3), and the lower end of the clamping block (603) is connected with the high-speed circuit board mechanism (7).
  4. 4. The high-frequency and high-speed circuit board according to claim 3, wherein the high-speed circuit board mechanism (7) comprises an upper substrate (701), wherein the upper end of the upper substrate (701) is abutted against the clamping block (603), the upper end of the upper substrate (701) is fixedly connected with the first GND layer (702), the lower end of the first GND layer (702) is fixedly connected with the first copper foil layer (703), the lower end of the first copper foil layer (703) is electrically connected with the power layer (704), the lower end of the power layer (704) is fixedly connected with the second copper foil layer (705), the lower end of the second copper foil layer (705) is fixedly connected with the second GND layer (706), the lower end of the second GND layer (706) is fixedly connected with the third copper foil layer (707), and the lower end of the third copper foil layer (707) is fixedly connected with the lower substrate (708).
  5. 5. The high-frequency and high-speed circuit board according to claim 1, wherein an air inlet hole (8) is arranged on the outer side of the shell (1).
  6. 6. The high-frequency and high-speed circuit board according to claim 1, wherein a silica gel threading hole (9) is formed at the side end of the shell (1).
  7. 7. The high-frequency and high-speed circuit board according to claim 1, wherein the upper end of the mounting ring (4) is provided with an air outlet hole (10).

Description

High-frequency high-speed circuit board Technical Field The utility model relates to the technical field of circuit boards, in particular to a high-frequency high-speed circuit board. Background The production process of the high-frequency high-speed PCB is basically the same as that of the common PCB, and the key point for realizing high-frequency high-speed is that The properties of the raw material, i.e. the characteristic parameters of the raw material. The main material of the high-frequency high-speed PCB board is a high-frequency high-speed copper-clad plate, and the core requirement of the high-frequency high-speed PCB board is that the high-frequency high-speed copper-clad plate has low dielectric constant ((Dk) and low dielectric loss factor (Df). Besides ensuring low Dk and Df, the consistency of Dk parameters is one of important factors for measuring the quality of the PCB board. For example, the high-frequency high-speed circuit board with the publication number of 'CN 219145989U', although solving the problem that the heat dissipation performance of a PCB (printed circuit board) is reduced due to the fact that the existing high-frequency high-speed circuit board cannot resist water and water, the contact area between the circuit board main body and outside moist air is reduced by placing the circuit board main body in the closed space, the heat generated when the active heat dissipation mechanism is matched with the circuit board main body to work is used for blowing out the hot air in the closed space, the heat dissipation capacity of the circuit board main body is improved, the content of moist air in the closed space is further reduced, and the effect that the cover on the shell is installed again after the high-frequency high-speed circuit board in the existing high-frequency high-speed circuit board is required to be independently installed in the shell is not achieved. Disclosure of Invention The utility model aims to solve the problems in the prior art and provide the high-frequency high-speed circuit board, which does not need to install the circuit board into the shell independently and then install the cover on the shell again, thereby achieving the effect of integrally assembling. The utility model solves the technical problems by adopting the technical scheme that: The utility model provides a high-frequency high-speed circuit board, includes shell and installation piece, the outer wall and the installation piece fixed connection of shell, the upper end and the apron fixed connection of shell, the middle part and the collar fixed connection of apron, miniature fan is installed to the inner wall of collar, the inner wall connection of shell has mounting mechanism. Further perfects, the installation mechanism includes the rubber piece, the lower extreme and the shell fixed connection of rubber piece, the inner wall and the fixed screw threaded connection of rubber piece, the inner wall and the clamp splice fixed connection of fixed screw. Further perfecting, the upper end and the apron fixed connection of clamp splice, the outer wall and the apron threaded connection of fixed screw, the lower extreme of clamp splice is connected with high-speed circuit board mechanism. Further perfecting, the high-speed circuit board mechanism comprises an upper substrate, the upper end of upper substrate offsets tightly with the clamp splice, the upper end and the first GND layer fixed connection of upper substrate, the lower extreme and the first copper foil layer fixed connection of first GND layer, the lower extreme and the electric power layer electric connection of first copper foil layer, the lower extreme and the second copper foil layer fixed connection of electric power layer, the lower extreme and the second GND layer fixed connection of second copper foil layer, the lower extreme and the third copper foil layer fixed connection of second GND layer, the lower extreme and the lower substrate fixed connection of third copper foil layer. Further perfecting, the outside of the shell is provided with an air inlet hole. Further perfecting, the inner wall of mounting groove and fixed strip fixed connection, the side of shell processing has silica gel through wires hole. Further perfecting, the upper end of the mounting ring is provided with an air outlet. The high-speed circuit board mechanism has the beneficial effects that the rubber block is integrated with the shell, the clamping block is integrated with the cover plate, the high-speed circuit board mechanism is placed into the groove on the surface of the rubber block, the cover plate is covered at the upper end of the shell, and the fixing screws are screwed into the rubber block and the clamping block, so that the clamping block and the rubber block have the effect of clamping and installing the high-speed circuit board mechanism, and the cover plate on the shell is installed again after the high-speed circuit board mechanism is independen