CN215345622U - Radio frequency power amplifier - Google Patents
Radio frequency power amplifier Download PDFInfo
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- CN215345622U CN215345622U CN202121403184.8U CN202121403184U CN215345622U CN 215345622 U CN215345622 U CN 215345622U CN 202121403184 U CN202121403184 U CN 202121403184U CN 215345622 U CN215345622 U CN 215345622U
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Abstract
The utility model discloses a radio frequency power amplifier, and relates to the technical field of communication. The utility model provides a radio frequency power amplifier, including lower casing and last casing, the casing is located the below of last casing down, and the bottom fixed mounting of casing has cooling fan down, power amplifier module main part has been placed to the inside of casing down, installation through-hole and two mounting holes have been seted up respectively to the upper surface of going up the casing, the dust screen has been placed to the inside of installation through-hole, the inner chamber upper surface symmetry fixed mounting who goes up the casing has the torsional spring, the equal fixedly connected with rectangular block of lower extreme of every torsional spring, the last fixed surface of rectangular block installs the gag lever post that runs through the mounting hole. The utility model provides a radio frequency power amplifier, which solves the technical problems that the existing power amplifier is poor in heat dissipation capability, internal components are easily damaged due to overhigh temperature after being used for a period of time, and the service life is short.
Description
Technical Field
The utility model relates to the technical field of communication, in particular to a radio frequency power amplifier.
Background
Radio frequency power amplifiers (RF PAs) are an important component of various wireless transmitters. In the front stage circuit of the transmitter, the radio frequency signal power generated by the modulation oscillation circuit is very small, and the radio frequency signal can be fed to an antenna to be radiated after sufficient radio frequency power is obtained through a series of amplifying-buffering stage, intermediate amplifying stage and final power amplifying stage. In order to obtain a sufficiently large radio frequency output power, a radio frequency power amplifier must be employed.
The existing power amplifier has poor heat dissipation capability, internal components are easily damaged due to overhigh temperature after being used for a period of time, and the service life is short. Therefore, it is necessary to provide a radio frequency power amplifier to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a radio frequency power amplifier, which solves the technical problems that the existing power amplifier is poor in heat dissipation capability, internal components are easily damaged due to overhigh temperature after being used for a period of time, and the service life is short.
In order to solve the technical problem, the radio frequency power amplifier provided by the utility model comprises a lower shell and an upper shell, wherein the lower shell is positioned below the upper shell, a heat dissipation fan is fixedly installed at the bottom of the lower shell, a power amplifier module main body is placed in the lower shell, an installation through hole and two installation holes are respectively formed in the upper surface of the upper shell, a dust screen is placed in the installation through hole, torsion springs are symmetrically and fixedly installed on the upper surface of an inner cavity of the upper shell, the lower end of each torsion spring is fixedly connected with a rectangular block, and a limiting rod penetrating through the installation holes is fixedly installed on the upper surface of the rectangular block.
Preferably, the limiting rod is of an L-shaped structure and is located inside the torsion spring.
Preferably, the power amplifier module body includes an RFin interface and an RFout interface disposed at two sides, and one end of each of the RFin interface and the RFout interface penetrates through the lower housing.
Preferably, the bottom of the lower shell is symmetrically and fixedly provided with support plates, and each support plate is provided with a fixing hole on the upper surface.
Preferably, the lower surface of the inner cavity of the lower shell is uniformly and fixedly provided with three laying blocks, and the upper surface of each laying block is in contact with the power amplifier module main body.
Preferably, the insides of the three shelving blocks are jointly and rotatably connected with a connecting rod, two ends of the connecting rod are fixedly connected with a screw rod rotatably connected with the lower shell, and the outer side of the screw rod is in threaded connection with a clamping block.
Preferably, the screw rod is connected with the lower shell through a bearing, and one end of the screw rod penetrates through the lower shell and is fixedly connected with a knob.
Compared with the related art, the radio frequency power amplifier provided by the utility model has the following beneficial effects:
1. the utility model provides a radio frequency power amplifier which is provided with a heat dissipation fan and can promote heat dissipation, and a torsion spring is elastically deformed by rotating a limiting rod, so that the limiting rod can not limit the position of a dust screen any more, the dust screen can be conveniently detached from the inside of an installation through hole, the radio frequency power amplifier is convenient to clean, and the problems that the existing power amplifier is poor in heat dissipation capability, internal components are easily damaged due to overhigh temperature after being used for a period of time, and the service life is short are solved.
2. The utility model provides a radio frequency power amplifier.A radio frequency out interface and a radio frequency in interface at two ends of a power amplifier module main body penetrate through a lower shell, and two lead screws synchronously rotate by rotating a knob and matching with a connecting rod, so that two clamping blocks are controlled to be far away from the power amplifier module main body, the power amplifier module main body is convenient to disassemble, and the maintenance and the replacement are convenient.
Drawings
Fig. 1 is a schematic structural diagram of a radio frequency power amplifier according to a preferred embodiment of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged view of part A of the present invention;
fig. 4 is a left side view of the present invention.
Reference numbers in the figures: 1. a mounting plate; 2. a lower housing; 3. a heat radiation fan; 4. mounting a through hole; 5. a dust screen; 6. a limiting rod; 7. mounting holes; 8. an upper housing; 9. an RFin interface; 10. a fixing hole; 11. an RFout interface; 12. a knob; 13. a power amplifier module body; 14. a connecting rod; 15. a placing block; 16. a clamping block; 17. a torsion spring; 18. a rectangular block; 19. and a screw rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, the present invention provides a technical solution: a radio frequency power amplifier comprises a lower shell 2 and an upper shell 8, wherein the lower shell 2 is positioned below the upper shell 8, a heat radiation fan 3 is fixedly installed at the bottom of the lower shell 2, a power amplifier module main body 13 is placed in the lower shell 2, an installation through hole 4 and two installation holes 7 are respectively formed in the upper surface of the upper shell 8, a dustproof net 5 is placed in the installation through hole 4, torsion springs 17 are symmetrically and fixedly installed on the upper surface of an inner cavity of the upper shell 8, a rectangular block 18 is fixedly connected to the lower end of each torsion spring 17, a limiting rod 6 penetrating through the installation holes 7 is fixedly installed on the upper surface of each rectangular block 18, the limiting rod 6 is in an L-shaped structure, the limiting rod 6 is positioned in each torsion spring 17, the power amplifier module main body 13 comprises an RFin interface 9 and an RFout interface 11 which are arranged on two sides, one end of each RFin interface 9 and one end of each RFout interface 11 penetrate through the lower shell 2, the bottom symmetry fixed mounting of casing 2 has mounting panel 1 down, and fixed orifices 10 have all been seted up to the upper surface of every mounting panel 1.
In this embodiment, be provided with cooling fan 3, can promote thermal giving off, and through rotatory gag lever post 6, make torsional spring 17 take place elastic deformation, realize that gag lever post 6 no longer restricts the position of dust screen 5, thereby conveniently dismantle dust screen 5 from the inside of installing through-hole 4, be convenient for clean, it is relatively poor to have solved current power amplifier's heat-sinking capability, use after a period easy because the high temperature damages inside components and parts, the shorter problem of life.
Example two:
referring to fig. 1-4, on the basis of the first embodiment, the present invention provides a technical solution: the lower surface of the inner cavity of the lower shell 2 is uniformly and fixedly provided with three shelving blocks 15, the upper surface of each shelving block 15 is in contact with a power amplifier module main body 13, the three interior of each shelving block 15 is connected with a connecting rod 14 in a rotating mode, two ends of each connecting rod 14 are fixedly connected with a lead screw 19 in a rotating mode, the two ends of each lead screw 19 are connected with the lower shell 2, the outer side of each lead screw 19 is in threaded connection with a clamping block 16, each lead screw 19 is connected with the lower shell 2 through a bearing, and one end of each lead screw 19 penetrates through the lower shell 2 and is fixedly connected with a knob 12.
In this embodiment, the RFout interface 11 and the RFin interface 9 at the two ends of the power amplifier module main body 13 both penetrate through the lower casing 2, and the two lead screws 19 are synchronously rotated by rotating the knob 12 and matching with the connecting rod 14, so that the two clamping blocks 16 are controlled to be far away from the power amplifier module main body 13, and the power amplifier module main body 13 is conveniently detached and repaired and replaced.
The working principle of the radio frequency power amplifier provided by the utility model is as follows:
during the use, start cooling fan 3, can discharge the gap that dustproof mesh 5 was passed through to the inside heat of casing 2 and last casing 8 down, avoid the too high harm power amplifier module main part 13 of heat, increase of service life. When the dust screen 5 needs to be disassembled, the limiting rod 6 is pulled, the torsion spring 17 is elastically deformed, the upper end of the limiting rod 6 is separated from the limit of the position of the dust screen 5, and the dust screen 5 is taken out from the inside of the installation through hole 4. When the power amplifier module body 13 needs to be disassembled, the upper shell 8 is separated from the lower shell 2, then the knob 12 is rotated to drive the connecting rod 14 and the two screw rods 19 to rotate, so that the two clamping blocks 16 are far away from the power amplifier module body 13, finally the power amplifier module body 13 is moved to one side, so that the RFout interface 11 or the RFin interface 9 is separated from the hole of the lower shell 2, and the power amplifier module body 13 is taken out upwards from the interior of the lower shell 2.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A radio frequency power amplifier comprising a lower housing (2) and an upper housing (8), characterized in that: casing (2) are located the below of last casing (8) down, just the bottom fixed mounting of casing (2) has cooling fan (3) down, power amplifier module main part (13) have been placed to the inside of casing (2) down, go up the upper surface of casing (8) and seted up installation through-hole (4) and two mounting holes (7) respectively, dust screen (5) have been placed to the inside of installation through-hole (4), the inner chamber upper surface symmetry fixed mounting who goes up casing (8) has torsional spring (17), every the equal fixedly connected with rectangular block (18) of lower extreme of torsional spring (17), the last fixed surface of rectangular block (18) installs gag lever post (6) that runs through mounting hole (7).
2. A radio frequency power amplifier according to claim 1, wherein the limiting rod (6) is of an "L" shape, and the limiting rod (6) is located inside the torsion spring (17).
3. The radio frequency power amplifier of claim 1, wherein the power amplifier module body (13) comprises an RFin interface (9) and an RFout interface (11) disposed at two sides, and one end of each of the RFin interface (9) and the RFout interface (11) penetrates through the lower housing (2).
4. The radio frequency power amplifier according to claim 1, wherein the bottom of the lower housing (2) is symmetrically and fixedly provided with support plates (1), and the upper surface of each support plate (1) is provided with a fixing hole (10).
5. The radio frequency power amplifier according to claim 1, wherein three rest blocks (15) are uniformly and fixedly mounted on the lower surface of the inner cavity of the lower shell (2), and the upper surface of each rest block (15) is in contact with the power amplifier module body (13).
6. The radio frequency power amplifier according to claim 5, wherein a connecting rod (14) is connected to the insides of the three resting blocks (15) in a co-rotating manner, a lead screw (19) rotatably connected to the lower housing (2) is fixedly connected to each of two ends of the connecting rod (14), and a clamping block (16) is screwed to the outside of the lead screw (19).
7. The RF power amplifier according to claim 6, wherein the lead screw (19) is connected with the lower housing (2) through a bearing, and one end of the lead screw (19) penetrates through the lower housing (2) and is fixedly connected with a knob (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121403184.8U CN215345622U (en) | 2021-06-23 | 2021-06-23 | Radio frequency power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121403184.8U CN215345622U (en) | 2021-06-23 | 2021-06-23 | Radio frequency power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215345622U true CN215345622U (en) | 2021-12-28 |
Family
ID=79560776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121403184.8U Active CN215345622U (en) | 2021-06-23 | 2021-06-23 | Radio frequency power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215345622U (en) |
-
2021
- 2021-06-23 CN CN202121403184.8U patent/CN215345622U/en active Active
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