Heat dissipation structure of power amplifier

Abstract

The utility model provides a heat dissipation structure of a power amplifier, which comprises a shell, an air inlet shell is fixedly arranged on the outer side of an air inlet end on the left side of the shell, and an air outlet shell is fixedly arranged on the outer side of an air outlet end on the right side of the shell; the front end and the rear end of the truss are connected with sliding seats in a sliding mode, the middles of the sliding seats are movably connected with baffles, the bottoms of the two baffles are hinged, eccentric parts of locking rods make contact with the truss, the working positions of the sliding seats on the truss are locked, and the working distance between the two sliding seats and the working positions of the two sliding seats on the truss are adjusted. The baffle is unfolded in the shell, air blown out by the air supply fan is directly guided to a severely-heated area on the circuit board, directional heat dissipation treatment of the equipment on a highly-heated area is completed, and a user can conveniently use the equipment to carry out detection operation in non-fixed places.

Description

Technical Field

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

[0002] Power amplifiers can be used in conjunction with mainstream signal generators to amplify signals. They are widely used in MEMS testing, ultrasonic testing, electromagnetic field driving, wireless power transmission, and electronic experimental testing in colleges and universities. The operating temperature range of power amplifiers is usually 0℃-45℃.

[0003] Taking into account that the equipment is being tested in non-fixed locations, the heat dissipation and dustproof performance requirements of the equipment are higher than those carried out in an indoor constant temperature environment, and the heat dissipation requirements of the power amplifier during operation are taken into account.

[0004] The inventors proposed a heat dissipation structure for a power amplifier. By setting up an air intake and exhaust structure outside the original air inlet and outlet ends of the power amplifier, the air flow rate inside the power amplifier is increased. Combined with a wind shield device set inside the power amplifier, the airflow entering the device is directly guided to the circuit board for heat dissipation. Utility Model Content

[0005] 1. Technical problems solved by the utility model:

[0006] The utility model provides a heat dissipation structure for a power amplifier, which solves the technical problems raised in the above background technology.

[0007] 2. Technical solution:

[0008] To achieve the above-mentioned purpose, the present invention provides a technical solution: a power amplifier heat dissipation structure, comprising the following structure:

[0009] The shell has an air intake shell fixedly arranged on the outside of the left air intake end of the shell, and an air exhaust shell fixedly arranged on the outside of the right air outlet end of the shell.

[0010] A truss, wherein the front and rear ends of the truss are slidably connected to a sliding seat, the middle part of the sliding seat is movably connected to a baffle, and the bottoms of the two baffles are hinged.

[0011] Furthermore, a panel is inserted into the middle of the front end of the shell, a support plate is fixed to the rear bottom of the panel, the bottom of the support plate is slidably connected to the bottom of the inner wall of the shell, and a circuit board is fixed to the top of the support plate.

[0012] Furthermore, an air intake filter element is clamped on the left end of the air intake shell, and a plurality of air supply fans are clamped on the right end of the air intake shell.

[0013] Furthermore, a plurality of exhaust fans are clamped on the left end of the exhaust shell, and an exhaust filter element is clamped on the right end of the exhaust shell.

[0014] Furthermore, guide holes are fixedly provided at the bottoms of the front and rear ends of the truss, the guide holes cooperate with the slide seat, and the top of the truss is fixedly connected to the top of the inner wall of the shell.

[0015] Furthermore, a locking rod is movably connected to the bottom of the slide seat, and an eccentric portion is fixedly provided at the connection between the locking rod and the slide seat, and the outer side of the eccentric portion contacts the bottom of the truss.

[0016] 3.Beneficial effects:

[0017] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:

[0018] The utility model provides a heat dissipation structure for a power amplifier. The eccentric portion of the locking rod contacts the truss to lock the working position of the slide on the truss. The working distance between the two slides and the working position on the truss are adjusted to complete the expansion of the baffle in the housing. The air blown by the air supply fan is directly directed to the area with severe heat generation on the circuit board, completing the directional heat dissipation treatment of the high-heat generation area of ​​the device, making it convenient for users to use the device to carry out detection operations in non-fixed locations.

[0019] The utility model provides a heat dissipation structure for a power amplifier. An air intake shell, an air supply fan, and an air intake filter cooperate to provide air cooling and heat dissipation treatment to the circuit board inside the shell, thereby preventing external dust from entering the shell through the air intake end of the shell. An exhaust fan and an exhaust filter cooperate to discharge the hot air inside the shell, thereby preventing external dust from entering the shell through the air outlet end of the shell, thereby completing the dust-proof structural design of the device.

[0020] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0022] Figure 2 This is a half-section perspective view of the shell structure of the utility model;

[0023] Figure 3 This is a half-section perspective view of the truss structure of the utility model;

[0024] Figure 4 This utility model Figure 3 A magnified view of the structure in the middle.

[0025] Reference numerals:

[0026] Housing-1; panel-11; support plate-12; circuit board-13;

[0027] Air intake housing-2; air intake filter-21; air supply fan-22;

[0028] Exhaust casing-3; exhaust fan-31; exhaust filter element-32;

[0029] Truss-4; Guide hole-41;

[0030] Sliding seat-5; locking rod-51; eccentric part-52;

[0031] Baffle-6. DETAILED DESCRIPTION

[0032] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention 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 invention more thorough and comprehensive.

[0033] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be an element in the middle; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be an element in the middle; the terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains; the terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention; the term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0035] Refer to the attached Figure 1-4 The present invention provides a power amplifier heat dissipation structure, including the following structure:

[0036] The shell 1 has an air intake shell 2 fixedly disposed on the outside of the left air intake end of the shell 1 and an air exhaust shell 3 fixedly disposed on the outside of the right air outlet end of the shell 1.

[0037] The front and rear ends of the truss 4 are slidably connected to a slide 5, the middle of the slide 5 is movably connected to a baffle 6, and the bottoms of the two baffles 6 are hinged.

[0038] In this embodiment, Figure 1 and Figure 2As shown, a panel 11 is inserted into the middle of the front end of the shell 1, a support plate 12 is fixed to the bottom of the rear side of the panel 11, the bottom of the support plate 12 is slidably connected to the bottom of the inner wall of the shell 1, and a circuit board 13 is fixed to the top of the support plate 12.

[0039] The housing 1 , the panel 11 and the circuit board 13 complete the basic structural arrangement of the power amplifier.

[0040] In this embodiment, Figure 1 、 Figure 2 and Figure 3 As shown, an air intake filter element 21 is clamped on the left end of the air intake shell 2, and a plurality of air supply fans 22 are clamped on the right end of the air intake shell 2.

[0041] The air intake shell 2 , the air supply fan 22 and the air intake filter 21 cooperate to provide air cooling and heat dissipation to the circuit board 13 inside the housing 1 , thereby preventing external dust from entering the housing 1 through the air intake end of the housing 1 .

[0042] In this embodiment, Figure 1 、 Figure 2 and Figure 3 As shown, a plurality of exhaust fans 31 are clamped on the left end of the exhaust shell 3, and an exhaust filter element 32 is clamped on the right end of the exhaust shell 3.

[0043] The exhaust fan 31 and the exhaust filter element 32 cooperate to exhaust the hot air inside the housing 1 and prevent external dust from entering the housing 1 through the air outlet end of the housing 1.

[0044] In this embodiment, Figure 2 、 Figure 3 and Figure 4 As shown, guide holes 41 are fixedly provided at the bottom of the front and rear ends of the truss 4 , the guide holes 41 cooperate with the slide 5 , and the top of the truss 4 is fixedly connected to the top of the inner wall of the shell 1 .

[0045] The truss 4 and the guide hole 41 cooperate to complete the sliding guidance of the slide 5 on the truss 4 .

[0046] In this embodiment, Figure 2 、 Figure 3 and Figure 4 As shown, a locking rod 51 is movably connected to the bottom of the slide 5 , and an eccentric portion 52 is fixedly provided at the connection between the locking rod 51 and the slide 5 , and the outer side of the eccentric portion 52 contacts the bottom of the truss 4 .

[0047] The eccentric portion 52 of the locking rod 51 contacts the truss 4, completing the locking of the working position of the slide 5 on the truss 4, adjusting the working distance and the working position of the two slides 5 on the truss 4, completing the expansion processing of the baffle 6 in the shell 1, and directing the air blown by the air supply fan 22 to the area on the circuit board 13 with severe heat generation, completing the directional heat dissipation processing of the high-heating area by this device, making it convenient for users to use this device to carry out detection operations in non-fixed places.

[0048] The above-mentioned embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, which all fall within the scope of protection of the utility model. Therefore, the scope of protection of the utility model patent shall be based on the attached claims.

Claims

1. A power amplifier heat dissipation structure, characterized in that: Includes the following structure: A shell (1), an air intake shell (2) is fixedly provided on the outside of the left air intake end of the shell (1), and an air exhaust shell (3) is fixedly provided on the outside of the right air outlet end of the shell (1); A truss (4), wherein the front and rear ends of the truss (4) are slidably connected to a slide seat (5), the middle portion of the slide seat (5) is movably connected to a baffle (6), and the bottoms of the two baffles (6) are hinged.

2. The power amplifier heat dissipation structure according to claim 1, wherein: A panel (11) is inserted into the middle of the front end of the shell (1), a support plate (12) is fixedly provided at the bottom of the rear side of the panel (11), the bottom of the support plate (12) is slidably connected to the bottom of the inner wall of the shell (1), and a circuit board (13) is fixedly provided at the top of the support plate (12).

3. The power amplifier heat dissipation structure according to claim 1, wherein: An air intake filter element (21) is clamped to the left end of the air intake shell (2), and a plurality of air supply fans (22) are clamped to the right end of the air intake shell (2).

4. The power amplifier heat dissipation structure according to claim 1, wherein: A plurality of exhaust fans (31) are clamped to the left end of the exhaust shell (3), and an exhaust filter element (32) is clamped to the right end of the exhaust shell (3).

5. The power amplifier heat dissipation structure according to claim 1, wherein: The front and rear end bottoms of the truss (4) are both fixedly provided with guide holes (41), the guide holes (41) cooperate with the slide seat (5), and the top of the truss (4) is fixedly connected to the top of the inner wall of the shell (1).

6. The power amplifier heat dissipation structure according to claim 1, characterized in that: The bottom of the slide (5) is movably connected to a locking rod (51), and an eccentric portion (52) is fixedly provided at the connection between the locking rod (51) and the slide (5), and the outer side of the eccentric portion (52) contacts the bottom of the truss (4).

Images