Power amplifier magnetic ring heat dissipation structure

Abstract

The utility model discloses a power amplifier magnetic ring heat dissipation structure which comprises a power amplifier module shell, an air inlet is formed in the side wall of one side of the power amplifier module shell, and the power amplifier module shell is provided with the air inlet and used in cooperation with an installation shell, a fixing block and a draught fan, so that a forced convection mode can be adopted. According to the power amplifier module, external air with relatively low temperature is blown into the power amplifier module shell and heat in the power amplifier module shell is discharged, so that a heat dissipation effect is achieved, a dustproof net plate is arranged to play a role in filtering fine impurities such as dust in the external air, in addition, a locking assembly is arranged to play a role in positioning the dustproof net plate, so that the heat dissipation effect is improved, and the service life of the power amplifier module is prolonged. According to the heat dissipation device, the installation shell, the fixing block, the draught fan, the dustproof net plate and the locking assembly jointly form a heat dissipation mechanism, and the heat dissipation mechanism is designed in a modularized mode, so that the heat dissipation device is convenient to disassemble for maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of power amplifier magnetic rings, in particular to a power amplifier magnetic ring heat dissipation structure. Background Art

[0002] In microwave RF power amplifiers, the power amplifier magnetic ring is one of the key components of the power amplifier, and its heat dissipation performance is crucial to the stability and reliability of the entire system. With the rapid development of microwave RF technology, especially in applications such as communications, radar, and satellites, the heat dissipation requirements for the power amplifier magnetic ring are increasing. The magnetic ring not only carries the function of signal amplification, but also faces high-frequency and high-power working conditions. Under such working conditions, the magnetic ring will generate a lot of heat. If the heat cannot be dissipated in a timely and effective manner, the temperature of the magnetic ring will rise, which will in turn affect the signal transmission quality and the performance stability of the power amplifier.

[0003] For example, a power amplifier magnetic ring heat dissipation structure (Announcement No.: CN219181963U), the device includes a power amplifier module shell, a magnetic ring and a fan are installed inside the power amplifier module shell, the fan is used to dissipate the heat of the magnetic ring, an air inlet is opened on the side of the power amplifier module shell, the air inlet is close to the air inlet end of the fan, and air outlets are provided at both ends of the power amplifier module shell, the air outlets are close to the magnetic ring. The utility model has a built-in fan, an air inlet is opened on the side of the power amplifier module shell, and air outlets are opened at both ends of the power amplifier module shell. The wind flows through the magnetic ring and goes out from the air outlet, thereby achieving the effect of dissipating the heat of the magnetic ring and solving the problem of heating of the magnetic ring. The built-in fan is beautiful and safe.

[0004] However, the device still has the following defects:

[0005] When the device is in use, its heat dissipation mechanism is not modularly designed and is not easy to disassemble for maintenance, so we need to propose a power amplifier magnetic ring heat dissipation structure. Utility Model Content

[0006] The utility model aims to provide a power amplifier magnetic ring heat dissipation structure, aiming to solve the problem that the heat dissipation mechanism in the prior art is not modularly designed and is not convenient to disassemble for maintenance.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A power amplifier magnetic ring heat dissipation structure comprises a power amplifier module shell, an air inlet is opened on one side wall of the power amplifier module shell, a mounting shell is arranged inside the air inlet, a fixing block is fixedly sleeved on the outer wall of the mounting shell, the fixing block is bolted and fixed to the side wall of the power amplifier module shell by four groups of fixing screws, a fan is fixedly installed on the inner wall of the mounting shell, a dustproof mesh plate is arranged on the side of the mounting shell located at the air inlet end of the fan, a locking assembly for positioning the dustproof mesh plate is arranged on one side wall of the mounting shell, two groups of magnetic rings are fixedly installed on the inner bottom of the power amplifier module shell, and components are arranged on one side of the power amplifier module shell located at the two groups of magnetic rings.

[0009] Preferably, a slot adapted to the dustproof screen is provided on the inner wall of the mounting shell, and the dustproof screen is plugged into the slot.

[0010] Preferably, the locking assembly includes a fixed sleeve, which is fixedly mounted on a side wall of the mounting shell, and a locking pin is slidably inserted into the interior of the fixed sleeve. One end of the locking pin passes through the mounting shell and is inserted into the interior of the dustproof mesh plate, and the other end of the locking pin is fixedly connected to a pull plate.

[0011] Preferably, it also includes a return spring, one end of which is fixedly connected to a side wall of the pull plate, the other end of which is fixedly connected to one end of a fixed sleeve, and the return spring is movably sleeved on the outer wall of the locking pin.

[0012] Preferably, a heat insulation board is fixedly connected to the inner bottom of the power amplifier module housing, and an air guide plate is fixedly connected to a side wall of the heat insulation board.

[0013] Preferably, air outlets are respectively provided on the side walls on both sides of the power amplifier module housing, and isolation nets are respectively fixedly embedded inside the two groups of air outlets.

[0014] Preferably, a plurality of groups of through grooves are provided on the side wall of the power amplifier module housing, and filter nets are respectively provided inside the plurality of groups of through grooves.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model opens an air inlet on the power amplifier module housing, and cooperates with the mounting shell, the fixing block and the fan to adopt forced convection to blow air with a lower outside temperature into the interior of the power amplifier module housing and discharge the heat inside thereof, thereby achieving the effect of heat dissipation. The dustproof mesh plate is provided to filter fine impurities such as dust in the outside air. In addition, the dustproof mesh plate is positioned by providing a locking assembly, thereby facilitating the removal, replacement or cleaning of the dustproof mesh plate. The utility model comprises a heat dissipation mechanism composed of the mounting shell, the fixing block, the fan, the dustproof mesh plate and the locking assembly, and the heat dissipation mechanism is modularly designed to facilitate disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the shaft side of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the power amplifier module housing, mounting housing and fan of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the locking assembly of the utility model.

[0021] In the figure: 1. Power amplifier module housing; 2. Air inlet; 3. Mounting shell; 4. Fixing block; 5. Fan; 6. Dust screen; 7. Locking assembly; 701. Fixing sleeve; 702. Locking pin; 703. Pull plate; 8. Magnetic ring; 9. Components; 10. Slot; 11. Reset spring; 12. Heat insulation board; 13. Air guide plate; 14. Isolation net; 15. Through slot; 16. Filter net. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A power amplifier magnetic ring heat dissipation structure comprises a power amplifier module housing 1, an air inlet 2 is provided on one side wall of the power amplifier module housing 1, a mounting shell 3 is arranged inside the air inlet 2, a fixing block 4 is fixedly sleeved on the outer wall of the mounting shell 3, the fixing block 4 is bolted and fixed to the side wall of the power amplifier module housing 1 by four groups of fixing screws, a fan 5 is fixedly installed on the inner wall of the mounting shell 3, a dustproof screen plate 6 is arranged on the side of the air inlet end of the fan 5 of the mounting shell 3, a locking assembly 7 for positioning the dustproof screen plate 6 is arranged on one side wall of the mounting shell 3, two groups of magnetic rings 8 are fixedly installed on the inner bottom of the power amplifier module housing 1, and components 9 are arranged on one side of the two groups of magnetic rings 8 of the power amplifier module housing 1. The utility model forms a heat dissipation mechanism by combining the mounting shell 3, the fixing block 4, the fan 5, the dustproof screen plate 6 and the locking assembly 7, and modularizes the heat dissipation mechanism so that it is easy to disassemble and maintain;

[0025] A slot 10 adapted to the dust screen 6 is provided on the inner wall of the mounting shell 3, and the dust screen 6 is plugged into the slot 10. By providing the slot 10, the dust screen 6 can be easily disassembled and assembled;

[0026] The locking assembly 7 includes a fixed sleeve 701, which is fixedly mounted on a side wall of the mounting shell 3. A locking pin 702 is slidably inserted into the interior of the fixed sleeve 701. One end of the locking pin 702 penetrates the mounting shell 3 and is inserted into the interior of the dustproof screen 6. The other end of the locking pin 702 is fixedly connected to a pull plate 703.

[0027] Specifically, when the dustproof screen plate 6 needs to be disassembled, the pull plate 703 can be manually pulled to separate one end of the locking pin 702 from the dustproof screen plate 6, and then the dustproof screen plate 6 can be lifted upward to complete the disassembly;

[0028] It also includes a return spring 11, one end of which is fixedly connected to a side wall of the pull plate 703, the other end of which is fixedly connected to one end of the fixed sleeve 701, and the return spring 11 is movably sleeved on the outer wall of the locking pin 702;

[0029] Specifically, when a new dust screen 6 needs to be installed, the pull plate 703 is also manually pulled to drive the locking pin 702 to move. At this time, the reset spring 11 is in a stretched state, and then the new dust screen 6 is inserted into the slot 10. After being inserted in place, the pull plate 703 is released, and the locking pin 702 is driven by the return force of the reset spring 11 to firmly position the dust screen 6.

[0030] The inner bottom of the power amplifier module housing 1 is fixedly connected with a heat insulation board 12. By setting the heat insulation board 12, the heat generated by the magnetic ring 8 in operation is isolated to prevent the heat from affecting the operation of the components 9. A wind guide plate 13 is fixedly connected to a side wall of the heat insulation board 12. By setting the wind guide plate 13, the air flow direction can be effectively guided;

[0031] Air outlets are respectively provided on the side walls of the power amplifier module housing 1, and the heat generated by the magnetic ring 8 is discharged from the air outlets by forced convection. Isolation nets 14 are respectively fixedly embedded inside the two sets of air outlets.

[0032] Several groups of through grooves 15 are also provided on the side wall of the power amplifier module housing 1, and filter screens 16 are respectively arranged inside the several groups of through grooves 15. In actual use, the staff can set the same heat dissipation mechanism inside the through grooves 15 according to actual use conditions to dissipate heat for the components 9.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power amplifier magnetic ring heat dissipation structure, comprising a power amplifier module housing (1), characterized in that: An air inlet (2) is provided on one side wall of the power amplifier module housing (1), a mounting shell (3) is provided inside the air inlet (2), a fixing block (4) is fixedly sleeved on the outer wall of the mounting shell (3), the fixing block (4) is bolted and fixed to the side wall of the power amplifier module housing (1) by four groups of fixing screws, a fan (5) is fixedly installed on the inner wall of the mounting shell (3), a dustproof screen (6) is provided on the mounting shell (3) at the air inlet end side of the fan (5), a locking assembly (7) for positioning the dustproof screen (6) is provided on one side wall of the mounting shell (3), two groups of magnetic rings (8) are fixedly installed on the inner bottom of the power amplifier module housing (1), and components (9) are provided on the power amplifier module housing (1) at one side of the two groups of magnetic rings (8).

2. The power amplifier magnetic ring heat dissipation structure according to claim 1, characterized in that: A slot (10) adapted to the dustproof screen (6) is provided on the inner wall of the installation shell (3), and the dustproof screen (6) is plugged into the interior of the slot (10).

3. The power amplifier magnetic ring heat dissipation structure according to claim 1, characterized in that: The locking assembly (7) comprises a fixed sleeve (701), wherein the fixed sleeve (701) is fixedly mounted on a side wall of the mounting shell (3), a locking pin (702) is slidably inserted into the interior of the fixed sleeve (701), one end of the locking pin (702) passes through the mounting shell (3) and is inserted into the interior of the dustproof mesh plate (6), and the other end of the locking pin (702) is fixedly connected to a pull plate (703).

4. The power amplifier magnetic ring heat dissipation structure according to claim 3, characterized in that: It also includes a return spring (11), one end of which is fixedly connected to a side wall of the pull plate (703), the other end of which is fixedly connected to one end of the fixed sleeve (701), and the return spring (11) is movably sleeved on the outer wall of the locking pin (702).

5. The power amplifier magnetic ring heat dissipation structure according to claim 1, characterized in that: A heat insulation board (12) is fixedly connected to the inner bottom of the power amplifier module housing (1), and an air guide board (13) is fixedly connected to a side wall of the heat insulation board (12).

6. The power amplifier magnetic ring heat dissipation structure according to claim 1, characterized in that: Air outlets are respectively provided on the side walls of the power amplifier module housing (1), and isolation nets (14) are respectively fixedly embedded inside the two groups of air outlets.

7. The power amplifier magnetic ring heat dissipation structure according to claim 1, characterized in that: A plurality of groups of through slots (15) are also provided on the side wall of the power amplifier module housing (1), and filter screens (16) are respectively arranged inside the plurality of groups of through slots (15).

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