CN210073810U

CN210073810U - Gallium nitride power device

Info

Publication number: CN210073810U
Application number: CN201921167649.7U
Authority: CN
Inventors: 李会杰; 田志怀; 路立峰; 唐兰香; 高建海; 孟立智
Original assignee: TONGHUI ELECTRONICS Corp CO Ltd
Current assignee: TONGHUI ELECTRONICS Corp CO Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-02-14
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a gallium nitride power device, which comprises a gallium nitride power component body and a shell, wherein the shell is formed by buckling an upper cover and a lower cover, the lower end of the front surface of the lower cover is provided with an opening, the inner side wall of the opening is fixedly connected with two fixed rods, the upper cover and the lower cover are buckled to seal the upper cover and limit the position of the gallium nitride power component body, further protecting the gallium nitride power component body to prevent dust from falling into the surface, and enabling the surface of the gallium nitride power component body to be in contact with the sliding block by pushing the pushing device, the heat generated by the gallium nitride power component body is conducted through the slide block, the heat diffusion is accelerated through the heat conducting rod, and then realize that protection and the heat dissipation of gallium nitride power component body are as an organic whole, increase the life of gallium nitride power component body, avoid leading to the phenomenon of gallium nitride power component body damage because of falling grey or poor heat dissipation.

Description

Gallium nitride power device

Technical Field

The utility model relates to a gallium nitride power device technical field specifically is a gallium nitride power device.

Background

When a gallium nitride power device prototype is installed on a circuit board, because a large amount of heat is emitted during operation, and dust falls on the surface of the gallium nitride power device prototype under long-term use, if the heat dissipation treatment is not good, the T0247 gallium nitride power device prototype is easy to damage, and if the dust falls on the gallium nitride power device prototype, the dust has conductivity, and the use of the circuit board is extremely easy to influence.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gallium nitride power device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gallium nitride power device, includes gallium nitride power component body and shell, the shell is formed by upper cover and lower cover lock, the opening has been seted up to the front surface lower extreme of lower cover, two dead levers of open-ended inside wall fixedly connected with, evenly distributed's through-hole is seted up to the lateral wall of dead lever, the inside wall of through-hole is pegged graft and is had the heat conduction pole, the medial extremity fixedly connected with slider of heat conduction pole, upper and lower both ends the spring has been cup jointed to the lateral wall of heat conduction pole, the spring is located between dead lever and the slider, the front surface slidable mounting of lower cover has thrust unit, the lateral wall joint of gallium nitride power component body is in thrust unit.

Preferably, thrust unit includes two fixed blocks, two fixed block fixed connection is on the front surface of lower cover, two sliding connection has the fixed plate between the fixed block, the front surface four corners fixedly connected with fixture block of fixed plate, the lateral wall joint of gallium nitride power component body is on the fixed plate, the spout has all been seted up to the lateral wall of fixed block and lower cover, the lateral wall fixedly connected with slide bar of fixed plate, the lateral wall of slide bar runs through the spout and extends to the outside.

Preferably, the front and rear side walls of the upper cover and the lower cover are provided with heat dissipation holes which are uniformly distributed, and the heat dissipation holes are communicated with the opening.

Preferably, the upper ends of the opposite surfaces of the two sliders are inclined, and the inclination direction is inclined toward the outer side end of the slider.

Preferably, the upper end of the opening is flush with the lower end of the fixing block.

Preferably, the distance between the opposite surfaces of the two sliding blocks is smaller than the distance between the two fixed blocks.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a gallium nitride power device, place the thrust unit with gallium nitride power component body in, with upper cover and lower cover lock, make its position spacing and gallium nitride power component body, and then protect gallium nitride power component body, avoid the surface to fall into the dust, through promoting thrust unit, make the surface and the slider contact of gallium nitride power component body, conduct the heat that the gallium nitride power component body produced through the slider, through the diffusion of heat conduction pole acceleration heat, and then realize that the protection of gallium nitride power component body is as an organic whole with the heat dissipation, increase the life of gallium nitride power component body, avoid leading to the phenomenon of gallium nitride power component body damage because of falling ash or heat dissipation difference.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a side view of the structure of the present invention.

In the figure: the power component comprises a gallium nitride power component body 1, a shell 2, an upper cover 3, a lower cover 4, an opening 5, a fixing rod 6, a through hole 7, a heat conducting rod 8, a sliding block 9, a spring 10, a pushing device 11, heat dissipation holes 12, a fixing block 13, a fixing plate 14, a clamping block 15, a sliding groove 16 and a sliding rod 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a gallium nitride power device comprises a gallium nitride power component body 1 and a shell 2, wherein the shell 2 is formed by buckling an upper cover 3 and a lower cover 4, the lower end of the front surface of the lower cover 4 is provided with an opening 5, the inner side wall of the opening 5 is fixedly connected with two fixing rods 6, the outer side wall of each fixing rod 6 is provided with through holes 7 which are uniformly distributed, the inner side wall of each through hole 7 is inserted with a heat conducting rod 8, the inner side end of each heat conducting rod 8 is fixedly connected with a sliding block 9, the outer side walls of the heat conducting rods 8 at the upper end and the lower end are sleeved with a spring 10, the spring 10 is positioned between the fixing rod 6 and the sliding block 9, the front surface of the lower cover 4 is slidably provided with a pushing device 11, the outer side wall of the gallium nitride power component body 1 is clamped in the pushing device 12, the lower end of the lower cover 4 is in an opening shape and is communicated with the opening 5, the gallium nitride power, the heat conduction device has good heat conduction performance, heat diffusion is accelerated, when the heat conduction device is used, the pushing device 11 is pushed, the gallium nitride power component body 1 moves downwards along with the pushing device 11, the gallium nitride power component body 1 is attached to the surface of the sliding block 9, the spring 10 is compressed, the heat conduction rod 8 slides in the through hole 7, in the working process of the gallium nitride power component body 1, the sliding block 9 absorbs heat of the gallium nitride power component body 1 and transmits the heat to the heat conduction rod 8, the heat conduction rod 8 diffuses the heat generated by the gallium nitride power component body 1, heat dissipation is completed, the gallium nitride power component body 1 is located between the two fixed blocks 13, the fixed blocks 13 are located in the lower cover 4, the upper cover 3 and the lower cover 4 are buckled, the shell 2 is in a sealed state, and dust is prevented from falling onto the surface of the gallium nitride power component body 1.

The device repeatedly usable, when gallium nitride power component body 1 does not use, shell 2 plays the effect of protection to gallium nitride power component body 1, avoids appearing colliding with.

Specifically, the pushing device 12 includes two fixing blocks 13, the two fixing blocks 13 are fixedly connected to the front surface of the lower cover 4, a fixing plate 14 is slidably connected between the two fixing blocks 13, four corners of the front surface of the fixing plate 14 are fixedly connected with clamping blocks 15, the outer side wall of the gallium nitride power component body 1 is clamped on the fixing plate 14, sliding grooves 16 are respectively formed in the outer side walls of the fixing blocks 13 and the lower cover 4, a sliding rod 17 is fixedly connected to the outer side wall of the fixing plate 14, the outer side wall of the sliding rod 17 extends to the outside through the sliding grooves 16, the gallium nitride power component body 1 is firstly inserted between the uniformly distributed clamping blocks 15, then the upper cover 3 is buckled with the lower cover 4, the position of the gallium nitride power component body 1 is limited, when the gallium nitride power component body 1 needs to be installed, the sliding rod 17 is slid to enable the fixing plate 14 to slide between the two fixing blocks 13, the, then, the pin of the gallium nitride power component body 1 extends out of the shell 2, the surface of the gallium nitride power component body 1 is in contact with the sliding block 9, and when the sliding rod 17 slides to be attached to the lower end of the sliding groove 16, the lower end of the gallium nitride power component body 1 is flush with the lower end of the opening 5.

Specifically, the front and rear side walls of the upper cover 3 and the lower cover 4 are provided with heat dissipation holes 12 uniformly distributed, and the heat dissipation holes 12 communicate with the opening 5, in order to accelerate the diffusion of the heat transferred from the heat conduction rod 8.

Specifically, the upper ends of the opposing surfaces of the two sliders 9 are inclined, and the inclination direction is inclined toward the outer end of the slider 9, thereby reducing the possibility of collision between the slider 9 and the gallium nitride power component body 1.

Specifically, the upper end of the opening 5 is flush with the lower end of the fixing block 13, so that the opening can be tightly connected, and the occurrence of seizure when the gallium nitride power component body 1 slides is reduced.

Specifically, the distance between the opposing faces of the two sliders 9 is smaller than the distance between the two fixing blocks 13, which facilitates the contact between the gallium nitride power component body 1 and the sliders 9.

The working principle is as follows: firstly, inserting a gallium nitride power component body 1 between clamping blocks 15 which are uniformly distributed, then buckling an upper cover 3 with a lower cover 4, limiting the position of the gallium nitride power component body 1, when the gallium nitride power component body 1 needs to be installed, sliding a sliding rod 17 to enable a fixing plate 14 to slide between two fixing blocks 13, enabling the sliding rod 9 to slide in a sliding groove 16 to limit the position of the fixing plate 14, enabling a pin of the gallium nitride power component body 1 to extend out of a shell 2, enabling the surface of the gallium nitride power component body 1 to be in contact with a sliding block 9, enabling the gallium nitride power component body 1 to push the sliding block 9 to move outwards, compressing a spring 10, enabling a heat conducting rod 8 to slide in a through hole 7 until the sliding rod 17 slides to the lower end of the sliding groove 16, enabling the sliding block 9 to be attached to the gallium nitride power component body 1, and enabling the sliding block 9 to absorb heat of the gallium nitride power component body 1 in the working process, the heat conduction pole 8 is given in the transmission, and the heat diffusion that heat conduction pole 8 produced gallium nitride power component body 1, and then accomplishes the heat dissipation, because of gallium nitride power component body 1 is located shell 2, and then avoids the dust to fall into on the gallium nitride power component body 1.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gallium nitride power device, characterized by: comprises a gallium nitride power component body (1) and a shell (2), wherein the shell (2) is formed by buckling an upper cover (3) and a lower cover (4), an opening (5) is arranged at the lower end of the front surface of the lower cover (4), two fixing rods (6) are fixedly connected with the inner side wall of the opening (5), the outer side wall of the fixed rod (6) is provided with through holes (7) which are uniformly distributed, the inner side wall of the through hole (7) is spliced with a heat conducting rod (8), the inner side end of the heat conducting rod (8) is fixedly connected with a sliding block (9), the outer side walls of the heat conducting rod (8) at the upper end and the lower end are sleeved with a spring (10), the spring (10) is positioned between the fixed rod (6) and the sliding block (9), the front surface sliding mounting of lower cover (4) has thrust unit (11), the lateral wall joint of gallium nitride power component body (1) is in thrust unit (11).

2. A gallium nitride power device according to claim 1, wherein: thrust unit (11) include two fixed blocks (13), two fixed block (13) fixed connection is on the front surface of lower cover (4), two sliding connection has fixed plate (14) between fixed block (13), front surface four corners fixedly connected with fixture block (15) of fixed plate (14), the lateral wall joint of gallium nitride power component body (1) is on fixed plate (14), spout (16) have all been seted up to the lateral wall of fixed block (13) and lower cover (4), the lateral wall fixedly connected with slide bar (17) of fixed plate (14), the lateral wall of slide bar (17) runs through spout (16) and extends to the outside.

3. A gallium nitride power device according to claim 1, wherein: the front side wall and the rear side wall of the upper cover (3) and the lower cover (4) are provided with radiating holes (12) which are uniformly distributed, and the radiating holes (12) are communicated with the opening (5).

4. A gallium nitride power device according to claim 1, wherein: the upper ends of the opposite surfaces of the two sliding blocks (9) are inclined, and the inclined direction inclines towards the outer side end of the sliding block (9).

5. A gallium nitride power device according to claim 1, wherein: the upper end of the opening (5) is flush with the lower end of the fixing block (13).

6. A gallium nitride power device according to claim 2, wherein: the distance between the opposite surfaces of the two sliding blocks (9) is smaller than the distance between the two fixed blocks (13).