CN213071100U - Clamping type power module packaging structure - Google Patents

Abstract

The utility model discloses a joint formula power module packaging structure, including power module body and heating panel, the front at the heating panel is installed through the screw to the power module body, the surface cover of power module body is equipped with the encapsulation lid, the equal fixedly connected with connecting plate in rear side of encapsulation lid both sides, the back of encapsulation lid and connecting plate all contacts with the front of heating panel, the round hole has all been seted up to the positive top of connecting plate and bottom. The utility model provides a current power module packaging structure encapsulate through the crimping formula basically, when power module damages, can not dismantle the maintenance, need change whole module, the cost is improved, and the long-time operation of module produces the heat simultaneously, can not in time dispel the heat the cooling to the in-process that the vehicle removed can jolt, because the fluctuation by a wide margin of inertia power module, long-time power module damages easily, reduces life's problem.

Description

Clamping type power module packaging structure

Technical Field

The utility model relates to a power module encapsulates technical field, specifically is a joint formula power module packaging structure.

Background

The insulated gate bipolar transistor module is more and more widely applied in the fields of frequency converters, inverter welding machines, induction heating, rail transit, wind energy, solar power generation, new energy automobiles and the like, particularly, the power module and the rate module are highly integrated to meet the light weight requirement of the whole vehicle, so the requirements on the structure of the power module, the circuit reliability and the integration level are higher, the power module is required to be packaged during production, but the existing power module packaging structure is basically packaged in a compression joint mode, when the power module is damaged, the power module can not be disassembled and maintained, the whole module needs to be replaced, the cost is increased, meanwhile, the module generates heat after long-time operation, cannot dissipate heat and cool in time, jolts in the moving process of the vehicle, due to the large fluctuation of the inertia power module, the power module is easy to damage for a long time, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a joint formula power module packaging structure, possess the joint formula encapsulation, be convenient for the installation dismantlement maintenance, heat dissipation and buffering absorbing advantage, it encapsulates through the crimping formula basically to have solved current power module packaging structure, when power module damages, can not dismantle the maintenance, need change whole module, the cost is improved, the long-time operation of module produces the heat simultaneously, the cooling of can not in time dispelling the heat, and the in-process that the vehicle removed can jolt, because the fluctuation by a wide margin of inertia power module, long-time power module damages easily, life's problem is reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping type power module packaging structure comprises a power module body and a heat dissipation plate, wherein the power module body is installed on the front surface of the heat dissipation plate through screws, a packaging cover is sleeved on the surface of the power module body, connecting plates are fixedly connected to the rear sides of the two sides of the packaging cover, the back surfaces of the packaging cover and the connecting plates are in contact with the front surface of the heat dissipation plate, round holes are formed in the top and the bottom of the front surface of the connecting plates, vertical rods are fixedly connected to the four corners of the front surface of the heat dissipation plate, the front ends of the vertical rods penetrate through the round holes and extend to the front surface of the connecting plates, transverse pipes are fixedly connected to the two sides of the heat dissipation plate, square holes are formed in the front surface of each transverse pipe, first threaded rods are arranged on one sides of the transverse pipes, which are far away, the surface of the movable plate is in contact with the inner wall of the transverse pipe, the first threaded rod is in threaded connection with the transverse pipe, one side of the movable plate, away from the first threaded rod, is fixedly connected with a first spring, one end of the first spring, away from the movable plate, is fixedly connected with a square plate, the front surface of the square plate penetrates through a square hole and extends to the front surface of the transverse pipe and is fixedly connected with a clamping plate, the back surface of the clamping plate is in contact with the front surface of a connecting plate, four corners of the back surface of the heat dissipation plate are fixedly connected with a bottom plate, four corners of the back surface of the heat dissipation plate are fixedly connected with second threaded rods, the back ends of the second threaded rods sequentially penetrate through an inner cavity of the second spring and the bottom plate and extend to the back surface of the bottom plate, nuts are sleeved on the surface threads of the back ends of the second threaded rods, the, the inner chamber of through-hole passes through support fixedly connected with radiator fan, the equal fixedly connected with mounting panel in four corners at the bottom plate back, the mounting hole has been seted up in the front of mounting panel.

Preferably, one side of the inner cavity of the transverse tube is fixedly connected with a guide rod, and one end of the guide rod penetrates through one side of the square plate.

Preferably, one end of the first threaded rod, which is far away from the movable plate, is fixedly connected with a turntable, and the back of the heat dissipation plate is fixedly connected with heat dissipation fins.

Preferably, a bearing is arranged between the first threaded rod and the movable plate, and the bearing is sleeved on the surface of the first threaded rod.

Preferably, the heat dissipation plate is made of aluminum alloy, and the outer surface of the heat dissipation plate is electroplated with tin.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model has the advantages of clamping type packaging, convenient mounting, dismounting and maintenance, heat dissipation and buffering and shock absorption through the matching of the power module body, the heat dissipation plate, the packaging cover, the connecting plate, the round hole, the vertical rod, the horizontal pipe, the square hole, the first threaded rod, the movable plate, the first spring, the square plate, the clamping plate, the second spring, the bottom plate, the through hole, the heat dissipation fan, the mounting plate, the mounting hole, the second threaded rod and the nut, and solves the problems that the existing power module packaging structure is packaged by a crimping type basically, when the power module is damaged, the power module can not be disassembled and maintained, the whole module needs to be replaced, the cost is increased, meanwhile, the module generates heat after long-time operation, cannot dissipate heat and cool in time, jolts in the moving process of the vehicle, the inertia power module fluctuates greatly, so that the power module is easy to damage for a long time, and the service life is shortened.

2. The utility model discloses a set up the guide bar, the other curb plate leads and fixed effect, prevents that it from inclining when removing, through setting up the carousel, makes more convenient laborsaving of first threaded rod when rotating, through setting up radiating fin, makes the radiating effect of heating panel better, through setting up the bearing, fixes the fly leaf, makes the fly leaf not receive first threaded rod pivoted influence when removing, is the aluminum alloy material through setting up the heating panel, and the heat conduction is effectual to be convenient for dispel the heat.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention in a bottom view, partially in section;

fig. 3 is a schematic view of the front view structure of the present invention.

In the figure: the power module comprises a power module body 1, a heat dissipation plate 2, an encapsulation cover 3, a connecting plate 4, a round hole 5, a vertical rod 6, a horizontal pipe 7, a square hole 8, a first threaded rod 9, a movable plate 10, a first spring 11, a square plate 12, a clamping plate 13, a second spring 14, a bottom plate 15, a through hole 16, a heat dissipation fan 17, an installation plate 18, an installation hole 19, a guide rod 20, a rotary table 21, heat dissipation fins 22, a second threaded rod 23 and nuts 24.

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, a clamping type power module packaging structure comprises a power module body 1 and a heat sink 2, wherein the power module body 1 is mounted on the front surface of the heat sink 2 by screws, a packaging cover 3 is sleeved on the surface of the power module body 1, connecting plates 4 are fixedly connected to the rear sides of the two sides of the packaging cover 3, the back surfaces of the packaging cover 3 and the connecting plates 4 are both contacted with the front surface of the heat sink 2, round holes 5 are respectively formed at the top and the bottom of the front surface of the connecting plates 4, vertical rods 6 are fixedly connected to the four corners of the front surface of the heat sink 2, the front ends of the vertical rods 6 penetrate through the round holes 5 and extend to the front surface of the connecting plates 4, transverse pipes 7 are fixedly connected to the two sides of the heat sink 2, square holes 8 are formed in the front surface of the transverse pipes 7, first threaded rods 9 are respectively penetrated through the sides of the transverse pipes 7, the surface of the movable plate 10 is contacted with the inner wall of the transverse pipe 7, the first threaded rod 9 is in threaded connection with the transverse pipe 7, one side of the movable plate 10, which is far away from the first threaded rod 9, is fixedly connected with a first spring 11, one end of the first spring 11, which is far away from the movable plate 10, is fixedly connected with a square plate 12, the front surface of the square plate 12 penetrates through a square hole 8 and extends to the front surface of the transverse pipe 7 and is fixedly connected with a clamping plate 13, the back surface of the clamping plate 13 is contacted with the front surface of the connecting plate 4, four corners of the back surface of the heat dissipation plate 2 are fixedly connected with second springs 14, the rear end of the second springs 14 is fixedly connected with a bottom plate 15, four corners of the back surface of the heat dissipation plate 2 are fixedly connected with second threaded rods 23, the rear end of each second threaded rod 23 sequentially penetrates through an inner cavity of each second spring 14, the two sides of the front surface of the bottom plate 15 are respectively provided with a through hole 16, the inner cavity of the through hole 16 is fixedly connected with a cooling fan 17 through a bracket, four corners of the back surface of the bottom plate 15 are respectively fixedly connected with a mounting plate 18, the front surface of the mounting plate 18 is provided with a mounting hole 19, one side of the inner cavity of the transverse tube 7 is fixedly connected with a guide rod 20, one end of the guide rod 20 penetrates one side of the square plate 12, the square plate 12 is guided and fixed by arranging the guide rod 20 to prevent the square plate from inclining when moving, one end of the first threaded rod 9 far away from the movable plate 10 is fixedly connected with a turntable 21, the back surface of the cooling plate 2 is fixedly connected with a cooling fin 22, the first threaded rod 9 is more convenient and labor-saving when rotating by arranging the turntable 21, the cooling fin 22 is arranged to ensure that the cooling effect of the cooling plate 2 is better, the movable plate 10 is fixed by arranging a bearing, so that the movable plate 10 is not influenced by the rotation of the first threaded rod 9 when moving, the heat dissipation plate 2 is made of aluminum alloy, the outer surface of the heat dissipation plate 2 is electroplated with tin, the heat dissipation effect is good and the heat dissipation is convenient by arranging the heat dissipation plate 2 made of aluminum alloy, the power module body 1, the heat dissipation plate 2, the packaging cover 3, the connecting plate 4, the round hole 5, the vertical rod 6, the transverse pipe 7, the square hole 8, the first threaded rod 9, the movable plate 10, the first spring 11, the square plate 12, the clamping plate 13, the first spring 14, the bottom plate 15, the through hole 16, the heat dissipation fan 17, the mounting plate 18, the mounting hole 19, the second threaded rod 23 and the nut 24 are matched, the clamping type packaging structure has the advantages of clamping type packaging, convenient mounting and dismounting maintenance, heat dissipation and buffering and shock absorption, and solves, when the power module is damaged, the power module can not be detached and maintained, the whole module needs to be replaced, the cost is improved, meanwhile, the module generates heat in long-time operation, heat dissipation and cooling cannot be carried out in time, and the vehicle can bump in the moving process.

When the power module is used, when the power module body 1 needs to be packaged, the vertical rod 6 is in butt joint with the round hole 5 on the connecting plate 4, the packaging cover 3 is pressed to enable the connecting plate 4 to move, when the connecting plate 4 is in contact with the clamping plate 13, due to the inclined surface design of the clamping plate 13, the movement of the packaging cover 3 drives the connecting plate 4 to extrude the clamping plate 13, the clamping plate 13 moves towards two sides, meanwhile, the clamping plate 13 drives the square plate 12 to compress the first spring 11, when the back of the connecting plate 4 moves to be in contact with the front of the radiating plate 2, the first spring 11 needs to restore the original state, the elastic force of the first spring 11 drives the square plate 12 and the clamping plate 13 to move to the original positions, the connecting plate 4 is fixed through the clamping plate 13, so that the packaging cover 3 is fixed, when the packaging cover 3 needs to be disassembled, the rotary table 21 is rotated by hand, the rotation of the rotary table 21, the removal of first threaded rod 9 drives fly leaf 10, first spring 11, the removal of square plate 12 and cardboard 13, make cardboard 13 break away from connecting plate 4, thereby will encapsulate lid 3 and take off, be convenient for maintenance and change, power module body 1 produces the heat when moving, with heat transfer to heating panel 2 on, heating panel 2 is with heat transfer to radiating fin 22 on, radiating fan 17's operation dispels the heat to radiating fin 22 and heating panel 2, the radiating effect is good, protect power module body 1, the in-process that the vehicle removed can jolt, because the fluctuation by a wide margin of inertia power module, power module body 1 drives the vibrations of heating panel 2, the vibrations of heating panel 2 drive second spring 14, the vibrations of second spring 14 carry out the shock attenuation to heating panel 2, thereby carry out shock attenuation protection to power module body 1.

All parts used in the application document are standard parts and can be purchased from the market, and the specific connection mode of all parts adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, and detailed description is not given here.

In summary, the following steps: the clamping type power module packaging structure is matched by a power module body 1, a heat dissipation plate 2, a packaging cover 3, a connecting plate 4, a round hole 5, a vertical rod 6, a transverse pipe 7, a square hole 8, a first threaded rod 9, a movable plate 10, a first spring 11, a square plate 12, a clamping plate 13, a first spring 14, a bottom plate 15, a through hole 16, a heat dissipation fan 17, a mounting plate 18, a mounting hole 19, a second threaded rod 23 and a nut 24, so that the problem that the existing power module packaging structure is packaged in a compression joint mode basically is solved, when the power module is damaged, the power module can not be disassembled and maintained, the whole module needs to be replaced, the cost is increased, meanwhile, the module generates heat after long-time operation, cannot dissipate heat and cool in time, jolts in the moving process of the vehicle, the inertia power module fluctuates greatly, so that the power module is easy to damage for a long time, and the service life is shortened. 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 (5)

1. The utility model provides a joint formula power module packaging structure, includes power module body (1) and heating panel (2), its characterized in that: the power module comprises a power module body (1) and is characterized in that the power module body is arranged in the front of a heating panel (2) through screws, an encapsulation cover (3) is sleeved on the surface of the power module body (1), connecting plates (4) are fixedly connected to the rear sides of the two sides of the encapsulation cover (3), the back sides of the encapsulation cover (3) and the connecting plates (4) are in contact with the front side of the heating panel (2), round holes (5) are formed in the top and the bottom of the front side of the connecting plates (4), vertical rods (6) are fixedly connected to the four front sides of the heating panel (2), the front ends of the vertical rods (6) penetrate through the round holes (5) and extend to the front side of the connecting plates (4), transverse pipes (7) are fixedly connected to the two sides of the heating panel (2), square holes (8) are formed in the front side of the transverse pipes (7) far away from the heating, the opposite ends of the first threaded rods (9) penetrate through the inner cavity of the transverse pipe (7) and are movably connected with movable plates (10) through bearings, the surfaces of the movable plates (10) are in contact with the inner wall of the transverse pipe (7), the first threaded rods (9) are in threaded connection with the transverse pipe (7), one sides, far away from the first threaded rods (9), of the movable plates (10) are fixedly connected with first springs (11), one ends, far away from the movable plates (10), of the first springs (11) are fixedly connected with square plates (12), the front faces of the square plates (12) penetrate through square holes (8) and extend to the front faces of the transverse pipes (7) and are fixedly connected with clamping plates (13), the back faces of the clamping plates (13) are in contact with the front faces of the connecting plates (4), four corners of the back face of the heat dissipation plate (2) are fixedly connected with second springs (14), and the rear ends of the second springs (, the equal fixedly connected with second threaded rod in four corners at the heating panel (2) back (23), the rear end of second threaded rod (23) runs through the inner chamber and bottom plate (15) of second spring (14) in proper order and extends to the back of bottom plate (15), the surperficial screw thread cover of second threaded rod (23) rear end is equipped with nut (24), the front of nut (24) and the back contact of bottom plate (15), through-hole (16) have all been seted up to the positive both sides of bottom plate (15), the inner chamber of through-hole (16) passes through support fixedly connected with radiator fan (17), the equal fixedly connected with mounting panel in four corners at the bottom plate (15) back (18), mounting hole (19) have been seted up in the front of mounting panel (18).

2. The clamping type power module packaging structure of claim 1, wherein: one side of the inner cavity of the transverse pipe (7) is fixedly connected with a guide rod (20), and one end of the guide rod (20) penetrates through one side of the square plate (12).

3. The clamping type power module packaging structure of claim 1, wherein: one end of the first threaded rod (9) far away from the movable plate (10) is fixedly connected with a rotary table (21), and the back of the heat dissipation plate (2) is fixedly connected with heat dissipation fins (22).

4. The clamping type power module packaging structure of claim 1, wherein: a bearing is arranged between the first threaded rod (9) and the movable plate (10), and the bearing is sleeved on the surface of the first threaded rod (9).

5. The clamping type power module packaging structure of claim 1, wherein: the heat dissipation plate (2) is made of aluminum alloy, and tin is electroplated on the outer surface of the heat dissipation plate (2).

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