CN220672572U - High-efficient heat dissipation type power tube - Google Patents

Abstract

The utility model discloses a high-efficiency heat dissipation type power tube, which comprises a mounting plate, wherein the top of the mounting plate is provided with a mounting groove and a power tube, the bottom of the power tube is clamped in the mounting groove, a heat conducting plate is fixedly arranged at the bottom of the mounting groove, the power tube is placed on the heat conducting plate, two sides of the bottom of the mounting plate are respectively provided with a second heat dissipation hole, the second heat dissipation holes are communicated with the mounting groove, a second heat dissipation plate is fixedly arranged in the second heat dissipation holes, the second heat dissipation plate is fixedly arranged at the bottom of the heat conducting plate, a second dustproof net is arranged in the second heat dissipation holes, the second dustproof net is positioned below the second heat dissipation plate, and L-shaped positioning plates are fixedly arranged at four corners of the bottom of the mounting plate.

Description

High-efficient heat dissipation type power tube

Technical Field

The utility model relates to the technical field of power tubes, in particular to a high-efficiency heat-dissipation type power tube.

Background

The power tube 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.

In the use process of the existing power tube, the heat dissipation effect is poor, and the normal use of the power tube is affected, so the utility model provides the high-efficiency heat dissipation type power tube to solve the problems.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a high-efficiency heat dissipation type power tube.

In order to achieve the above purpose, the utility model provides a high-efficiency heat dissipation type power tube, which comprises a mounting plate, wherein the top of the mounting plate is provided with a mounting groove and a power tube, the bottom of the power tube is clamped in the mounting groove, a heat conducting plate is fixedly arranged at the bottom in the mounting groove, the power tube is placed on the heat conducting plate, second heat dissipation holes are respectively formed in two sides of the bottom of the mounting plate and are communicated with the mounting groove, second heat dissipation fins are fixedly arranged in the second heat dissipation holes and are fixedly arranged at the bottom of the heat conducting plate, a second dustproof net is arranged in the second heat dissipation holes and is positioned below the second heat dissipation fins, and L-shaped positioning plates are respectively fixedly arranged at four corners of the bottom of the mounting plate.

Further, the mounting panel top is fixed to be provided with the reverse U-shaped piece, reverse U-shaped piece cover is established on the power tube, reverse U-shaped piece top is provided with a plurality of positioning mechanism, positioning mechanism is used for fixing the power tube.

Further, positioning mechanism includes locating screw and pivot, the locating screw with the cooperation of inverted U-shaped piece screw thread, the locating screw bottom is provided with the locating piece through the pivot rotation, the fixed protection pad that is provided with in locating piece bottom.

Further, the mounting frame is installed to the mounting panel bottom, the mounting frame sets up under the second louvre, fixed mounting has the air extraction fan in the mounting frame, the mounting frame can dismantle the setting and be in the bottom of mounting panel.

Further, ventilation grooves are respectively formed in two sides of the mounting plate, the ventilation grooves are communicated with the second radiating holes, and a third dustproof net is arranged in each ventilation groove.

Further, a plurality of first heat dissipation holes are respectively formed in two sides of the inverted U-shaped block, and a first dust screen is arranged in each first heat dissipation hole.

Further, the protection pad has elasticity, the locating piece top both sides are fixed respectively and are provided with the telescopic link, the telescopic link top is fixed to be set up the bottom of falling U-shaped piece.

Further, the fixed a plurality of auxiliary heat dissipation mechanism that is provided with in reverse U-shaped piece top, auxiliary heat dissipation mechanism includes first fin, first fin is fixed to be set up the top of reverse U-shaped piece, first fin bottom is fixed to be provided with the heat conduction pole, the heat conduction pole bottom runs through reverse U-shaped piece and downwardly extending fixedly connected with buffer block, the fixed third fin that is provided with in buffer block bottom, the third fin is in the effect of buffer block is supported on the power tube.

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

1. through the structures of the mounting plate, the heat-conducting plate, the exhaust fan, the second radiating fin and the like, the power tube is mounted on the mounting plate, heat generated during the work of the power tube is transmitted to the second radiating fin through the heat-conducting plate, the exhaust fan is started to work, the exhaust fan pumps out the heat of the second radiating hole, meanwhile, outside air enters through the ventilation groove, the heat dissipation of the second radiating fin is quickened, the heat dissipation effect of the power tube is improved, and meanwhile, the first radiating hole is convenient for ventilation and heat dissipation on two sides of the power tube, so that the problem that the heat dissipation effect is poor and the normal use of the power tube is influenced in the use process of the existing power tube is solved;

2. through the structures of the positioning screw rod, the positioning block, the protection pad and the like, the bottom of the power tube is clamped in the mounting groove, the positioning screw rod is screwed downwards, the positioning screw rod drives the positioning block to move downwards, the power tube can be fixedly mounted on the mounting plate under the action of the protection pad, and the power tube is convenient to mount and dismount;

3. through the first fin, third fin and the heat-conducting rod isotructure of setting, the heat-conducting rod transmits the heat, and first fin and third fin dispel the heat to the top of power tube simultaneously, have further improved the heat dispersion of power tube.

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 schematic view of a positioning mechanism according to the present utility model;

FIG. 4 is a schematic diagram of an auxiliary heat dissipation mechanism according to the present utility model;

FIG. 5 is an enlarged schematic view of section A provided by the present utility model;

reference numerals illustrate:

1. an inverted U-shaped block; 2. a first heat radiation hole; 3. a first dust screen; 4. a mounting plate; 5. a positioning mechanism; 51. positioning a screw; 52. a telescopic rod; 53. a rotating shaft; 54. a positioning block; 55. a protective pad; 6. an auxiliary heat dissipation mechanism; 61. a first heat sink; 62. a heat conduction rod; 63. a buffer block; 64. a third heat sink; 7. a power tube; 8. an L-shaped positioning plate; 9. a ventilation groove; 10. a third dust screen; 11. a mounting groove; 12. a heat conductive plate; 13. a second heat sink; 14. a second heat radiation hole; 15. a second dust screen; 16. a mounting frame; 17. and (5) an exhaust fan.

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. 1-5, the utility model provides a high-efficiency heat dissipation type power tube, which comprises a mounting plate 4, a mounting groove 11 is arranged at the top of the mounting plate 4, a power tube 7 is arranged on the mounting plate 4, the bottom of the power tube 7 is clamped in the mounting groove 11, four corners of the bottom of the mounting plate 4 are respectively and fixedly provided with an L-shaped positioning plate 8, a heat conducting plate 12 is fixedly arranged at the bottom in the mounting groove 11, the power tube 7 is placed on the heat conducting plate 12, two sides of the bottom of the mounting plate 4 are respectively provided with a second heat dissipation hole 14, the second heat dissipation holes 14 are communicated with the mounting groove 11, a second heat dissipation plate 13 is fixedly arranged in the heat dissipation holes 14, the second heat dissipation plate 13 is fixedly arranged at the bottom of the heat conducting plate 12, a second dust screen 15 is arranged in the second heat dissipation hole 14, two sides of a reverse U-shaped block 1 are respectively provided with a plurality of first heat dissipation holes 2, the first dust screen 3 is arranged in the first heat dissipation holes 2, the installation frame 16 is installed at the bottom of the installation plate 4, the installation frame 16 is arranged right below the second radiating holes 14, the exhaust fan 17 is fixedly installed in the installation frame 16, the installation frame 16 is detachably arranged at the bottom of the installation plate 4, the ventilation grooves 9 are respectively formed at two sides of the installation plate 4, the ventilation grooves 9 are communicated with the second radiating holes 14, the third dustproof net 10 is installed in the ventilation grooves 9, the power tube 7 is installed on the installation plate 4 through the structures of the installation plate 4, the heat conducting plate 12, the exhaust fan 17, the second radiating fins 13 and the like, heat generated during the working of the power tube 7 is transmitted to the second radiating fins 13 through the heat conducting plate 12, the exhaust fan 17 is started to work, the exhaust fan 17 extracts out the heat of the second radiating holes 14, meanwhile, the outside air enters through the ventilation grooves 9, the heat dissipation of the second radiating fins 13 is quickened, the heat dissipation effect of the power tube 7 is improved, meanwhile, the first radiating holes 2 facilitate ventilation and heat dissipation on two sides of the power tube 7, so that the problems that the heat dissipation effect is poor and the normal use of the power tube is affected in the use process of the existing power tube are solved;

referring to fig. 1-3, an inverted U-shaped block 1 is fixedly arranged at the top of a mounting plate 4, the inverted U-shaped block 1 is covered on a power tube 7, a plurality of positioning mechanisms 5 are arranged at the top of the inverted U-shaped block 1, the positioning mechanisms 5 are used for fixing the power tube 7, each positioning mechanism 5 comprises a positioning screw and a rotating shaft 51, each positioning screw 51 is in threaded fit with the inverted U-shaped block 1, a positioning block 54 is rotatably arranged at the bottom end of each positioning screw 51 through the corresponding rotating shaft 53, a protection pad 55 is fixedly arranged at the bottom of each positioning block 54, the protection pad 55 is elastic, telescopic rods 52 are fixedly arranged at two sides of the top of each positioning block 54, the top ends of the telescopic rods 52 are fixedly arranged at the bottom of the inverted U-shaped block 1, the bottom of the power tube 7 is clamped in the mounting groove 11 through the structures such as the positioning screws 51, the positioning blocks 54 and the protection pads 55, the positioning screws 51 are screwed downwards, the positioning screws 51 drive the positioning blocks 54 to move downwards, the power tube 7 can be fixedly mounted on the mounting plate 4 under the action of the protection pad 55, and the power tube 7 is convenient to mount and dismount;

referring to fig. 2-5, a plurality of auxiliary heat dissipation mechanisms 6 are fixedly arranged at the top of the inverted U-shaped block 1, each auxiliary heat dissipation mechanism 6 comprises a first heat dissipation fin 61, each first heat dissipation fin 61 is fixedly arranged at the top of the inverted U-shaped block 1, a heat conduction rod 62 is fixedly arranged at the bottom of each first heat dissipation fin 61, the bottom of each heat conduction rod 62 penetrates through the inverted U-shaped block 1 and is fixedly connected with a buffer block 63 in a downward extending mode, a third heat dissipation fin 64 is fixedly arranged at the bottom of each buffer block 63, the third heat dissipation fins 64 are abutted to the power tube 7 under the action of the buffer blocks 63, the heat dissipation rods 62 transmit heat through the structures of the arranged first heat dissipation fins 61, the third heat dissipation fins 64, the heat conduction rods 62 conduct heat dissipation on the top of the power tube 7, and the heat dissipation performance of the power tube 7 is further improved.

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

during the use, install the power tube 7 on mounting panel 4, the heat that power tube 7 during operation produced is transmitted to on the second fin 13 on the heat-conducting plate 12, start updraft fan 17 work, updraft fan 17 is gone out the heat of second louvre 14, external air gets into through ventilation slot 9 simultaneously, accelerate the heat dissipation of second fin 13, the radiating effect of power tube 7 has been improved, first louvre 2 is convenient for the ventilation and heat dissipation of power tube 7 both sides simultaneously, the card of power tube 7 bottom is established in mounting groove 11, positioning screw 51 is screwed downwards, positioning screw 51 drives locating piece 54 and moves downwards, can be with power tube 7 fixed mounting on mounting panel 4 under the effect of protection pad 55, the convenience is dismantled in power tube 7 installation, heat-conducting rod 62 transmits the heat, first fin 61 and third fin 64 dispel the heat to the top of power tube 7 simultaneously, the heat dissipation performance of power tube 7 has further been improved.

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 (8)

1. The utility model provides a high-efficient heat dissipation formula power tube which characterized in that: the power tube is arranged in the mounting groove in a clamping mode, a heat conducting plate is fixedly arranged at the bottom in the mounting groove, the power tube is placed on the heat conducting plate, second radiating holes are respectively formed in two sides of the bottom of the mounting plate, the second radiating holes are communicated with the mounting groove, second radiating fins are fixedly arranged in the second radiating holes, the bottom of the heat conducting plate is fixedly provided with second dustproof nets, the second dustproof nets are located below the second radiating fins, and L-shaped locating plates are fixedly arranged at four corners of the bottom of the mounting plate respectively.

2. The high efficiency heat dissipating power tube of claim 1, wherein: the power tube is characterized in that an inverted U-shaped block is fixedly arranged at the top of the mounting plate, the inverted U-shaped block is covered on the power tube, a plurality of positioning mechanisms are arranged at the top of the inverted U-shaped block, and the positioning mechanisms are used for fixing the power tube.

3. The high efficiency heat dissipating power tube of claim 2, wherein: the positioning mechanism comprises a positioning screw rod and a rotating shaft, the positioning screw rod is in threaded fit with the inverted U-shaped block, a positioning block is rotatably arranged at the bottom end of the positioning screw rod through the rotating shaft, and a protection pad is fixedly arranged at the bottom of the positioning block.

4. A high efficiency heat dissipating power tube in accordance with claim 3, wherein: the mounting plate is characterized in that a mounting frame is mounted at the bottom of the mounting plate, the mounting frame is arranged right below the second heat dissipation holes, an exhaust fan is fixedly mounted in the mounting frame, and the mounting frame is detachably arranged at the bottom of the mounting plate.

5. The high efficiency heat dissipation power tube of claim 4, wherein: the air vent grooves are respectively formed in two sides of the mounting plate and are communicated with the second radiating holes, and the third dustproof net is arranged in the air vent grooves.

6. The high efficiency heat dissipating power tube of claim 5, wherein: a plurality of first radiating holes are respectively formed in two sides of the inverted U-shaped block, and a first dust screen is arranged in each first radiating hole.

7. The high efficiency heat dissipating power tube of claim 6, wherein: the protection pad has elasticity, the locating piece top both sides are fixed respectively and are provided with the telescopic link, the telescopic link top is fixed to be set up the bottom of falling U-shaped piece.

8. The high efficiency heat dissipating power tube of claim 7, wherein: the utility model discloses a power tube, including the back U-shaped piece, the back U-shaped piece top is fixed to be provided with a plurality of auxiliary heat dissipation mechanism, auxiliary heat dissipation mechanism includes first fin, first fin is fixed to be set up the top of back U-shaped piece, first fin bottom is fixed to be provided with the heat conduction pole, the heat conduction pole bottom runs through the back U-shaped piece and downwardly extending fixedly connected with buffer block, the fixed third fin that is provided with in buffer block bottom, the effect of third fin at the buffer block is supported on the power tube.