CN210470159U

CN210470159U - Heat radiator of power electronic heating device

Info

Publication number: CN210470159U
Application number: CN201921630403.9U
Authority: CN
Inventors: 牛子俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-05
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a heat abstractor of power electronics device that generates heat relates to power electronics device technical field, comprising a base plate, the upper surface of bottom plate is provided with heat radiation fins, and four angular position departments in the outside of heat radiation fins on the surface of bottom plate have all seted up the mounting hole, heat radiation fins's top fixed mounting has the heat dissipation fan, and heat radiation fins's both sides all are provided with the mounting panel, fixed subassembly is installed with the junction of mounting panel to the heat dissipation fan, the fixed orifices has been seted up on the surface of mounting panel. The utility model has the advantages of being scientific and reasonable in structure, convenient operation has realized the combination of heat dissipation fan and fin, effectively improves electronic device's radiating effect, and can realize the quick installation of heat dissipation fan and fin and dismantlement work, improves its work efficiency, and both can dismantle the exclusive use, and the flexibility is higher, facilitates for heat abstractor's follow-up maintenance and change work simultaneously.

Description

Heat radiator of power electronic heating device

Technical Field

The utility model relates to a power electronics technical field specifically is a heat abstractor of power electronics device that generates heat.

Background

The electronic components are components of electronic elements and small-sized electric machines and instruments, are usually composed of a plurality of parts and can be commonly used in similar products; the heat dissipation device is used for heat dissipation of some parts in industries such as electric appliances, radios, instruments and the like because the parts are easy to generate heat in the use process. The radiating fin is a device for radiating heat of an easily-heating electronic element in an electric appliance, and is made of aluminum alloy, brass or bronze into a plate shape, a sheet shape, a plurality of sheet shapes and the like.

However, the heat dissipation device of the power electronic heating device in the current market has a single function and is relatively poor in practicability, generally utilizes a heat dissipation fin or a heat dissipation fan, cannot realize effective combination of the heat dissipation fin and the heat dissipation fan, and is relatively poor in heat dissipation effect. Therefore, a heat dissipation device for a power electronic heating device is provided by those skilled in the art to solve the problems in the background art mentioned above.

Disclosure of Invention

An object of the utility model is to provide a power electronics generates heat device of 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 heat abstractor of power electronics device that generates heat, includes the bottom plate, the upper surface of bottom plate is provided with heat radiation fins, and the surface of bottom plate is located four angular positions in heat radiation fins's the outside department of all having seted up the mounting hole, heat radiation fins's top fixed mounting has the heat dissipation fan, and heat radiation fins's both sides all are provided with the mounting panel, fixed subassembly is installed with the junction of mounting panel to the heat dissipation fan, the fixed orifices has been seted up on the surface of mounting panel.

As a further aspect of the present invention: the fixed components are four in number, and the heat dissipation fan is fixedly connected with the mounting plate through the fixed components.

As a further aspect of the present invention: the heat dissipation fan comprises a fixing frame, a motor shell is fixedly mounted inside the fixing frame, a driving motor is mounted inside the motor shell, a connecting plate is mounted at the joint of the motor shell and the fixing frame, a spring A is mounted at the joint of the bottom of the driving motor and the motor shell, and fan blades are mounted on the upper end of the driving motor in a rotating mode.

As a further aspect of the present invention: the driving motor is fixedly connected with the motor shell through a spring A, and the motor shell is fixedly connected with the fixing frame through a connecting plate.

As a further aspect of the present invention: the fixed subassembly includes the fixed block, the fixed block sets up in the top of fixed frame, and the fixed block installs spring B with the junction of fixed frame, the bottom of fixed block is located the inboard position department of spring B and is connected with the dead lever, the through-hole has been seted up on the surface of fixed frame, the fixture block is installed in the embedding of bottom one side position department of dead lever, and the inside of dead lever is seted up flutedly, the fixture block is located the inside position department of recess and is connected with the stopper, the one end fixed mounting of stopper has spring C.

As a further aspect of the present invention: the fixed block is fixedly connected with the fixed frame through a spring B.

As a further aspect of the present invention: the fixture block is fixedly connected with the spring C through a limiting block, and the limiting block is fixedly connected with the groove through the spring C.

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

1. the utility model discloses a combination of heat dissipation fan and fin has been realized to the design, overcomes the relatively poor defect of traditional heat abstractor radiating effect, effectively improves electron device's radiating effect, simultaneously, can reach certain vibration/noise reduction effect through the spring A who sets up, reduces the noise pollution that produces in the heat abstractor working process, has stronger practicality.

2. The utility model discloses a fixed subassembly that sets up can realize the quick installation and the dismantlement work of heat dissipation fan and fin, improve its work efficiency, and both can dismantle the exclusive use, and the flexibility is higher, and the follow-up maintenance and the change work of heat abstractor facilitate simultaneously, when needs fixed heat dissipation fan, at first, exert pressure to the fixture block, make it get into in the recess, then push down the fixed block, make the dead lever run through-hole and fixed orifices, under the effect of spring C, drive the fixture block and pop out, make its card in the bottom of mounting panel, realize the fixing of heat dissipation fan and mounting panel promptly; when the heat dissipation fan needs to be detached, pressure is applied to the clamping block to enable the clamping block to enter the groove, and then the fixing rod is driven to pop out of the fixing hole and the through hole under the action of the spring B, so that the heat dissipation fan and the heat dissipation fins are separated.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation device of a power electronic heating device;

fig. 2 is a schematic structural view of a heat dissipation fan in a heat dissipation device of a power electronic heating device;

FIG. 3 is a schematic plan view of a heat dissipation fan in a heat dissipation device of a power electronic heating device;

FIG. 4 is a partially enlarged view of A of a heat sink for a power electronic heat generating device;

fig. 5 is a schematic structural diagram of a fixing rod in a heat dissipation device of a power electronic heating device.

In the figure: 1. a base plate; 2. heat dissipation fins; 3. mounting holes; 4. a heat dissipation fan; 41. a fixing frame; 42. a motor housing; 43. a drive motor; 44. a connecting plate; 45. a spring A; 46. a fan blade; 5. mounting a plate; 6. a fixing assembly; 61. a fixed block; 62. a through hole; 63. fixing the rod; 64. a spring B; 65. a clamping block; 66. a groove; 67. a limiting block; 68. a spring C; 7. and (7) fixing holes.

Detailed Description

Referring to fig. 1 to 5, in an embodiment of the present invention, a heat dissipation device for a power electronic heating device includes a base plate 1, a heat dissipation fin 2 is disposed on an upper surface of the base plate 1, mounting holes 3 are disposed at four corner positions of the surface of the base plate 1, a heat dissipation fan 4 is fixedly mounted on a top of the heat dissipation fin 2, mounting plates 5 are disposed on two sides of the heat dissipation fin 2, a fixing assembly 6 is mounted at a joint of the heat dissipation fan 4 and the mounting plate 5, a fixing hole 7 is disposed on a surface of the mounting plate 5, the heat dissipation fan 4 includes a fixing frame 41, a motor housing 42 is fixedly mounted inside the fixing frame 41, a driving motor 43 is mounted inside the motor housing 42, a connecting plate 44 is mounted at a joint between the motor housing 42 and the fixing frame 41, a spring a45 is mounted at a joint between a bottom of the driving motor 43 and the motor housing 42, a fan blade 46 is rotatably, driving motor 43 and motor casing 42 pass through spring A45 fixed connection, motor casing 42 passes through connecting plate 44 fixed connection with fixed frame 41, this design has realized the combination of heat dissipation fan and fin, overcome the relatively poor defect of traditional heat abstractor radiating effect, effectively improve electron device's radiating effect, and simultaneously, spring A45 through setting up can reach certain vibration/noise reduction effect, reduce the noise pollution that produces in the heat abstractor working process, stronger practicality has.

Further, four fixing assemblies 6 are arranged, the heat dissipation fan 4 is fixedly connected with the mounting plate 5 through the fixing assemblies 6, each fixing assembly 6 comprises a fixing block 61, each fixing block 61 is arranged above the corresponding fixing frame 41, a spring B64 is arranged at the joint of each fixing block 61 and the corresponding fixing frame 41, a fixing rod 63 is connected to the bottom end of each fixing block 61 at the inner side of the corresponding spring B64, a through hole 62 is formed in the surface of the corresponding fixing frame 41, a fixture block 65 is embedded and installed at one side of the bottom end of each fixing rod 63, a groove 66 is formed in the corresponding fixing rod 63, a limiting block 67 is connected to the position, located inside the groove 66, of each fixture block 65, a spring C68 is fixedly installed at one end of each limiting block 67, the fixing blocks 61 and the corresponding fixing frames 41 are fixedly connected through the springs B64, the fixture block 65 is fixedly connected with the springs C68 through the limiting blocks 67, the limiting blocks 67 are fixedly connected with, when the heat dissipation fan 4 needs to be fixed, firstly, pressure is applied to the fixture block 65 to enable the fixture block to enter the groove 66, then the fixture block 61 is pressed downwards, the fixing rod 63 penetrates through the through hole 62 and the fixing hole 7, and then the fixture block 65 is driven to pop out under the action of the spring C68 to enable the fixture block to be clamped at the bottom of the mounting plate 5, so that the heat dissipation fan 4 and the mounting plate 5 are fixed; when the heat dissipation fan 4 needs to be removed, pressure is applied to the fixture block 65, so that the fixture block enters the groove 66, and then the fixing rod 63 is driven to pop out of the fixing hole 7 and the through hole 62 under the action of the spring B64, so that the heat dissipation fan 4 is separated from the heat dissipation fins.

The utility model discloses a theory of operation is: firstly, fixing the heat radiation fan 4 and the heat radiation fin, applying pressure to the fixture block 65 to enable the heat radiation fan to enter the groove 66, then pressing the fixing block 61 downwards to enable the fixing rod 63 to penetrate through the through hole 62 and the fixing hole 7, then driving the fixture block 65 to pop out under the action of the spring C68 to enable the fixture block to be clamped at the bottom of the mounting plate 5, namely fixing the heat radiation fan 4 and the mounting plate 5, realizing quick mounting and dismounting work of the heat radiation fan 4 and the heat radiation fin through the arranged fixing component 6, improving the working efficiency of the heat radiation fan, being capable of being dismounted and used independently, having higher flexibility, providing convenience for subsequent maintenance and replacement work of the heat radiation device, achieving certain damping and noise reduction effects through the arranged spring A45 in the working process of the heat radiation device, reducing noise pollution generated in the working process of the heat radiation device, having stronger practicability, and further, when the heat radiation fan 4 needs to be dismounted, the fixture block 65 is pressed into the groove 66, and the fixing rod 63 is driven to pop out of the fixing hole 7 and the through hole 62 under the action of the spring B64, so that the heat dissipation fan 4 is separated from the heat dissipation fin.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a heat abstractor of power electronics device that generates heat, includes bottom plate (1), its characterized in that, the upper surface of bottom plate (1) is provided with heat radiation fins (2), and four angular positions departments in the outside of heat radiation fins (2) on the surface of bottom plate (1) have all seted up mounting hole (3), the top fixed mounting of heat radiation fins (2) has heat dissipation fan (4), and the both sides of heat radiation fins (2) all are provided with mounting panel (5), fixed subassembly (6) are installed with the junction of mounting panel (5) in heat dissipation fan (4), fixed orifices (7) have been seted up on the surface of mounting panel (5).

2. The heat dissipation device for power electronic heating devices according to claim 1, wherein the number of the fixing assemblies (6) is four, and the heat dissipation fan (4) is fixedly connected with the mounting plate (5) through the fixing assemblies (6).

3. The heat dissipation device of a power electronic heating device according to claim 1, wherein the heat dissipation fan (4) comprises a fixed frame (41), a motor casing (42) is fixedly installed inside the fixed frame (41), a driving motor (43) is installed inside the motor casing (42), a connecting plate (44) is installed at the joint of the motor casing (42) and the fixed frame (41), a spring A (45) is installed at the joint of the bottom of the driving motor (43) and the motor casing (42), and a fan blade (46) is installed at the upper end of the driving motor (43) in a rotating manner.

4. A heat sink for an electric power electronic heating device according to claim 3, wherein the driving motor (43) is fixedly connected with the motor casing (42) through a spring a (45), and the motor casing (42) is fixedly connected with the fixing frame (41) through a connecting plate (44).

5. The heat dissipation device for the power electronic heating device as claimed in claim 3, wherein the fixing assembly (6) comprises a fixing block (61), the fixing block (61) is disposed above the fixing frame (41), a spring B (64) is installed at a joint of the fixing block (61) and the fixing frame (41), a fixing rod (63) is connected to a position, located on the inner side of the spring B (64), of the bottom end of the fixing block (61), a through hole (62) is formed in the surface of the fixing frame (41), a clamping block (65) is installed at a position, located on one side of the bottom end of the fixing rod (63), in an embedded manner, of the fixing rod (63), a groove (66) is formed in the inner portion of the clamping block (65), a limiting block (67) is connected to a position, located on the inner portion of the groove (66), and a spring C (68).

6. A heat sink for an electric power electronic heating device according to claim 5, characterized in that the fixing block (61) and the fixing frame (41) are fixedly connected by a spring B (64).

7. The heat sink for power electronic heating devices as claimed in claim 5, wherein the fixture block (65) is fixedly connected with the spring C (68) through a limiting block (67), and the limiting block (67) is fixedly connected with the groove (66) through the spring C (68).