CN220731508U

CN220731508U - Power tube heat abstractor

Info

Publication number: CN220731508U
Application number: CN202321463247.8U
Authority: CN
Inventors: 刘家星; 陈兵
Original assignee: Shenzhen Hengrui Infinite Technology Co ltd
Current assignee: Shenzhen Hengrui Infinite Technology Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-04-05
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a power tube heat dissipation device which comprises a mounting plate, wherein a plurality of ventilation holes are transversely formed in the top of the mounting plate, a power tube is arranged at the top of the mounting plate, positioning mechanisms are fixedly arranged on two sides of the top of the mounting plate respectively and used for fixing the position of the power tube, a radiator is arranged below the mounting plate, connecting plates are fixedly arranged on two sides of the radiator respectively, short rods are fixedly arranged at four corners of the bottom of the mounting plate respectively, the bottoms of the short rods are detachably and fixedly arranged at the bottoms of the connecting plates, the positioning mechanisms comprise vertical plates, the vertical plates are fixedly arranged at the top of the mounting plate, supporting rods are vertically arranged on the inner sides of the vertical plates in a sliding mode, a limiting frame is fixedly arranged at the bottom of one end of each supporting rod far away from a sliding block, and is clamped on one side of the top of the power tube.

Description

Power tube heat abstractor

Technical Field

The utility model relates to the technical field of power tubes, in particular to a power tube heat dissipation device.

Background

The power tube is a tube serving as a final output in the amplifying circuit, and is divided into a large power tube and a small power tube. Typical PCM (collector loss power) is greater than 1W called high power tubes such as domestic 3DD and 3DA and japanese 2SD and 2SC tubes. PCM is less than 1W called a small power tube. Such as 3AX and 3DG type tubes. Some better circuits are CMOS field effect transistor work power amplifier.

The existing power tube has poor heat dissipation performance in the use process, so the utility model provides a power tube heat dissipation device to solve the problems.

Disclosure of Invention

In view of the above drawbacks of the prior art, an object of the present utility model is to provide a heat dissipation device for a power tube.

In order to achieve the above purpose, the utility model provides a power tube heat dissipation device, which comprises a mounting plate, wherein a plurality of ventilation holes are transversely formed in the top of the mounting plate, a power tube is arranged at the top of the mounting plate, positioning mechanisms are respectively and fixedly arranged on two sides of the top of the mounting plate, the positioning mechanisms are used for fixing the positions of the power tube, a radiator is arranged below the mounting plate, connecting plates are respectively and fixedly arranged on two sides of the radiator, short rods are respectively and fixedly arranged at four corners of the bottom of the mounting plate, and the bottoms of the short rods are detachably and fixedly arranged at the bottoms of the connecting plates.

Further, positioning mechanism includes the riser, the riser is fixed to be set up the top of mounting panel, the inboard slip from top to bottom of riser is provided with branch, branch keeps away from the fixed spacing frame that is provided with in one end bottom of slider, spacing frame card is established power tube top one side, the position of slider can be fixed.

Further, the top of the vertical plate is provided with an elastic screw rod, the elastic screw rod is in threaded fit with the vertical plate, and the bottom end of the elastic screw rod is in rotary connection with the sliding block through a rotary shaft.

Further, a sliding groove is formed in the inner side of the vertical plate, a sliding block is arranged in the sliding groove and is in sliding fit with the sliding groove, and a supporting rod is fixedly arranged on the inner side of the sliding block.

Further, a positioning block is fixedly arranged at the bottom of the short rod and is arranged on the connecting plate, a positioning screw is arranged at the top of the positioning block, and the positioning block is fixed at the top of the connecting plate by screwing the positioning screw.

Further, the inside of the limiting frame is fixedly provided with a cushion pad, and the cushion pad is made of rubber materials.

Further, the adjusting screw is arranged on the outer side of the lower end of the vertical plate, the adjusting screw is in threaded fit with the vertical plate, a vertical block is arranged on the inner side of the adjusting screw through rotation of a rotating shaft, and a radiating fin is fixedly arranged on the inner side of the vertical block.

Further, the radiating fins are detachably arranged on the inner side of the vertical block, six vent holes are arranged on the mounting plate in parallel, and the vent holes are rectangular.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the structures of the radiator, the positioning block, the positioning screw, the adjusting screw, the radiating fin and the like, the radiator is blown into the vent hole to radiate heat of the power tube, the adjusting screw is screwed, the adjusting screw drives the radiating fin to move rightwards to contact with the surface of the power tube, the radiating effect of the power tube is further improved, the positioning block is fixed at the top of the connecting plate through screwing the positioning screw, the radiator is convenient to install and detach, and the problem of poor radiating performance of the existing power tube in the use process is solved;

2. through the limit frame, the elasticity screw rod and the slider isotructure of setting, the elasticity screw rod of screwing down, elasticity screw rod drive slider downwardly moving, and the slider drives limit frame and supports in power tube top one side, can fix the power tube, power tube simple to operate.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments of the present utility model, it being apparent that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without the exercise of inventive effort for a person of ordinary skill in the art.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view provided by the present utility model;

FIG. 3 is a top view of a mounting plate provided by the present utility model;

FIG. 4 is a schematic view of a positioning mechanism according to the present utility model;

FIG. 5 is a bottom view of a stop collar provided by the present utility model;

fig. 6 is an enlarged schematic view of the portion a provided by the present utility model.

Reference numerals illustrate:

1. a mounting plate; 2. a connecting plate; 3. a heat sink; 4. a short bar; 5. a positioning block; 6. a set screw; 7. a power tube; 8. a vent hole; 9. a positioning mechanism; 91. an elastic screw; 92. a rotating shaft; 93. a slide block; 94. a support rod; 95. a limit frame; 96. a chute; 97. a riser; 10. a cushion pad; 11. a heat sink; 12. a rotating shaft; 13. a rotating shaft; 14. and adjusting the screw.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

The terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Referring to fig. 1-6, a power tube heat dissipation device comprises a mounting plate 1, a plurality of ventilation holes 8 are transversely formed in the top of the mounting plate 1, a power tube 7 is arranged at the top of the mounting plate 1, positioning mechanisms 9 are fixedly arranged on two sides of the top of the mounting plate 1 respectively, the positioning mechanisms 9 are used for fixing the positions of the power tube 7, a radiator 3 is arranged below the mounting plate 1, connecting plates 2 are fixedly arranged on two sides of the radiator 3 respectively, short rods 4 are fixedly arranged at four corners of the bottom of the mounting plate 1 respectively, the bottoms of the short rods 4 are detachably and fixedly arranged at the bottoms of the connecting plates 2, positioning blocks 5 are fixedly arranged at the bottoms of the short rods 4, the positioning blocks 5 are arranged on the connecting plates 2, positioning screws 6 are arranged at the tops of the positioning blocks 5, the positioning blocks 5 are fixedly arranged at the top of the connecting plates 2 by screwing the positioning screws 6, adjusting screws 14 are arranged outside the lower ends of vertical plates 977, the adjusting screw 14 is in threaded fit with the vertical plate 977, the vertical block 12 is rotatably arranged on the inner side of the adjusting screw 14 through the rotating shaft 13, the radiating fins 11 are fixedly arranged on the inner side of the vertical block 12, the radiating fins 11 are detachably arranged on the inner side of the vertical block 12, six vent holes 8 are arranged on the mounting plate 1 in parallel, the vent holes 8 are rectangular, the radiator 3 blows into the vent holes 8 to radiate the power tube 7 through the structures of the arranged radiator 3, the positioning block 5, the positioning screw 6, the adjusting screw 14, the radiating fins 11 and the like, the adjusting screw 14 is screwed, the adjusting screw 14 drives the radiating fins 11 to move rightwards to be in contact with the surface of the power tube 7, the radiating effect of the power tube 7 is further improved, the positioning block 5 is fixed on the top of the connecting plate 2 through screwing the positioning screw 6, the radiator 3 is convenient to mount and dismount, the problem of poor heat dissipation performance of the existing power tube in the use process is solved;

referring to fig. 1 and 4, the positioning mechanism 9 includes a riser 977, the riser 977 is fixedly disposed at the top of the mounting plate 1, a supporting rod 94 is disposed on the inner side of the riser 97 in a vertically sliding manner, a limiting frame 95 is fixedly disposed at the bottom of one end of the supporting rod 94, which is far away from the sliding block 93, the limiting frame 95 is clamped at one side of the top of the power tube 7, and the position of the sliding block 93 can be fixed. The riser 977 top is provided with elasticity screw rod 91, elasticity screw rod 91 and riser 977 screw-thread fit, elasticity screw rod 91 bottom is rotated through pivot 92 and slider 93 and is connected, spout 96 has been seted up to the riser 97 inboard, be provided with slider 93 in the spout 96, slider 93 and spout 96 sliding fit, slider 93 inboard is fixed to be provided with branch 94, through the limit frame 95 that sets up, elasticity screw rod 91 and slider 93 isotructure, elasticity screw rod 91 screws down, elasticity screw rod 91 drives slider 93 downwardly moving, slider 93 drives limit frame 95 and supports in power tube 7 top one side, can fix power tube 7, power tube 7 simple to operate.

Referring to fig. 5, the cushion pad 10 is fixedly disposed inside the limiting frame 95, the cushion pad 10 is made of rubber material, and the cushion pad 10 can play a role in buffering and protecting the power tube 7 through the cushion pad 10 disposed inside the limiting frame 95.

The working principle and the using method of the utility model are as follows:

when the radiator 3 bloies and gets into ventilation hole 8 and dispels the heat to power tube 7, screw adjusting screw 14, adjusting screw 14 drives fin 11 and moves rightwards and contact with power tube 7 surface, further improved the radiating effect of power tube 7, locating piece 5 is fixed at the top of connecting plate 2 through screwing set screw 6, the radiator 3 installation is dismantled conveniently, screw down elasticity screw 91, elasticity screw 91 drives slider 93 and moves down, slider 93 drives spacing frame 95 and supports in power tube 7 top one side, can fix power tube 7, power tube 7 simple to operate, the blotter 10 that sets up in spacing frame 95 inboard, the blotter 10 can play the effect of buffer protection to power tube 7.

The foregoing is merely illustrative of the present utility model and is not to be construed as limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; all equivalent structures or equivalent flow changes made by the specification and the attached drawings of the utility model or directly or indirectly applied to other related technical fields are included in the protection scope of the utility model.

Claims

1. The utility model provides a power tube heat abstractor which characterized in that: including mounting panel (1), a plurality of ventilation hole (8) have transversely been seted up at mounting panel (1) top, mounting panel (1) top is provided with power tube (7), mounting panel (1) top both sides are fixed respectively and are provided with positioning mechanism (9), positioning mechanism (9) are used for fixing the position of power tube (7), the below of mounting panel (1) is provided with radiator (3), radiator (3) both sides are fixed respectively and are provided with connecting plate (2), mounting panel (1) bottom four corners is fixed respectively and is provided with quarter butt (4), quarter butt (4) bottom can be dismantled fixedly to be set up the bottom of connecting plate (2), positioning mechanism (9) are including riser (97), riser (97) are fixed to be set up the top of mounting panel (1), riser (97) inboard slide from top to bottom is provided with branch (94), the one end bottom that slider (93) was kept away from to branch (94) is fixed to be provided with spacing frame (95), spacing frame (95) card is established power tube (7) top one side, but the position is fixed.

2. A power tube heat sink as claimed in claim 1, wherein: the top of the vertical plate (97) is provided with an elastic screw rod (91), the elastic screw rod (91) is in threaded fit with the vertical plate (97), and the bottom end of the elastic screw rod (91) is rotationally connected with the sliding block (93) through a rotating shaft (92).

3. A power tube heat sink as claimed in claim 2, wherein: the sliding block (93) is arranged in the sliding groove (96), the sliding block (93) is in sliding fit with the sliding groove (96), and a supporting rod (94) is fixedly arranged on the inner side of the sliding block (93).

4. A power tube heat sink as claimed in claim 3, wherein: the utility model discloses a connecting plate, including short rod (4), connecting plate (2), locating piece (5), locating screw (6) are provided with in locating piece (5) top, short rod (4) bottom is fixed to be provided with locating piece (5), locating piece (5) are in through screwing locating screw (6) are fixed the top of connecting plate (2).

5. The power tube heat sink as set forth in claim 4, wherein: the inner side of the limiting frame (95) is fixedly provided with a cushion pad (10), and the cushion pad (10) is made of rubber materials.

6. The power tube heat sink as set forth in claim 5, wherein: the utility model discloses a heat radiator, including riser (97) and adjusting screw, adjusting screw (14) are provided with in the riser (97) lower extreme outside, adjusting screw (14) with riser (97) screw-thread fit, adjusting screw (14) inboard is provided with erects piece (12) through rotation axis (13) rotation, erects piece (12) inboard fixed being provided with fin (11).

7. The power tube heat sink as set forth in claim 6, wherein: the cooling fin (11) is detachably arranged on the inner side of the vertical block (12), six ventilation holes (8) are arranged on the mounting plate (1) in parallel, and the ventilation holes (8) are rectangular.