CN219998208U - Power multiplication module for inverter - Google Patents
Power multiplication module for inverter Download PDFInfo
- Publication number
- CN219998208U CN219998208U CN202320355210.7U CN202320355210U CN219998208U CN 219998208 U CN219998208 U CN 219998208U CN 202320355210 U CN202320355210 U CN 202320355210U CN 219998208 U CN219998208 U CN 219998208U
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- power device
- power
- pcb
- connecting plate
- metal heat
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 44
- 239000004020 conductor Substances 0.000 claims abstract description 38
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 21
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Inverter Devices (AREA)
Abstract
The utility model discloses a power multiplication module for an inverter, which comprises a PCB and a power device mechanism electrically connected with the PCB; the power device mechanism comprises a metal heat conductor, four power devices connected to the metal heat conductor and a heat radiation fan connected with the metal heat conductor; the power device is electrically connected with the PCB. The power device is integrated independently of the radiator, so that the power device is far away from the shell, and the electrical safety is improved; meanwhile, the heat dissipation fan is used for carrying out forced air cooling heat dissipation on the power multiplication module, so that the heat dissipation efficiency of the power device is improved, and the current load capacity of the power device is greatly improved.
Description
Technical Field
The utility model relates to the technical field of inverters, in particular to a power multiplication module for an inverter.
Background
In the existing inverter product, the two sides of the metal shell of the inverter are respectively provided with the mounting interlayer of the power device, and the surface temperature of the power device is reduced by utilizing the heat conducting property of the metal shell.
In the existing inverter product, the power devices are arranged on the inner walls of the two side surfaces of the shell, and the heat dissipation mode of the air convection in the machine is far away from the fan by utilizing the heat dissipation of the inner metal surface, so that the efficiency of the power devices cannot be fully exerted; in addition, because the power device is close to the metal shell, the short circuit risk is easy to occur between the circuit wirings of the PCB power device, and therefore, the defect in the design needs to be improved.
Disclosure of Invention
First, the technical problem to be solved
The technical problem to be solved by the utility model is to provide a power multiplication module for an inverter, wherein a power device is integrated independently of a radiator, so that the power device is far away from a shell, and the electrical safety is improved; meanwhile, the heat dissipation fan is used for carrying out forced air cooling heat dissipation on the power multiplication module, so that the heat dissipation efficiency of the power device is improved, and the current load capacity of the power device is greatly improved.
(II) technical scheme
The utility model solves the technical problems by adopting a scheme that the power multiplication module for the inverter comprises a PCB and a power device mechanism electrically connected with the PCB; the power device mechanism comprises a metal heat conductor, four power devices connected to the metal heat conductor and a heat radiation fan connected with the metal heat conductor; and the contact pin of the power device is electrically connected with the PCB.
Preferably, the metal heat conducting member is made of aluminum material.
By adopting the scheme, the power device is integrated independently of the radiator, so that the power device is far away from the shell, and the electrical safety is improved; meanwhile, the heat dissipation fan is used for carrying out forced air cooling heat dissipation on the power multiplication module, so that the heat dissipation efficiency of the power device is improved, and the current load capacity of the power device is greatly improved.
Further, the metal heat conductor comprises a connecting plate detachably connected with the PCB, and the connecting plate is vertically arranged relative to the PCB; wherein, both sides of the connecting plate are respectively connected with two power devices.
Preferably, two power devices are connected to two sides of the PCB, and the two power devices on each side are arranged at intervals.
Further, the power device is detachably connected to two sides of the connecting plate through fastening components; the fastening assembly comprises two clamping plates respectively abutted against one side, far away from the connecting plate, of the power device and clamping plate screws penetrating through the two clamping plates to lock the power device on the connecting plate; easy dismounting, be convenient for follow-up maintenance.
Further, a heat conducting insulating piece is arranged between the power device and the connecting plate, so that the heat conducting insulating piece plays a role in heat conduction and insulation, and the electrical safety is improved.
Further, the metal heat conductor further comprises a plurality of fin-shaped radiating fins which are arranged on the connecting plate and are positioned above the power device; the fin-shaped radiating fins are formed by outwards extending two sides of the connecting plate, so that the section of the metal heat conductor is T-shaped, the contact surface area of the metal heat conductor and air is greatly increased, and the radiating effect is good.
Further, the connecting plate is detachably connected to the PCB through a first screw, so that the connecting plate is convenient to assemble and disassemble and convenient to maintain.
Further, one side, far away from the PCB, of the metal heat conductor is connected with a temperature sensor, and the temperature sensor is detachably connected to the metal heat conductor through a second screw; the temperature sensor is electrically connected with the PCB, so that the temperature of the metal heat conductor can be accurately detected, and the use is safer.
Further, the heat radiation fan is detachably connected to the metal heat conductor through a fan fastening screw; and rubber parts for vibration prevention and noise prevention are arranged between the heat dissipation fan and the metal heat conductor, so that vibration and noise generated when the heat dissipation fan operates are reduced.
Further, a power topology circuit connected with the power device is arranged on the PCB.
Specifically, the power topology circuit comprises two control units connected with four power devices, and the two control units are used for controlling the on-off of two groups of power devices which are arranged in a crossing way in the four power devices so as to realize the purpose of converting direct current into alternating current.
Further, the power device comprises a MOS tube power device.
(III) beneficial effects
Compared with the prior art, the power multiplication module for the inverter is designed, and the power device is integrated independently of the radiator, so that the power device is far away from the shell, and the electrical safety is improved; meanwhile, the heat dissipation fan is used for carrying out forced air cooling heat dissipation on the power multiplication module, so that the heat dissipation efficiency of the power device is improved, and the current load capacity of the power device is greatly improved.
Drawings
Fig. 1 is a first angle schematic diagram of a power multiplication module for an inverter according to the present embodiment;
fig. 2 is a second schematic view of the power multiplication module for an inverter according to the present embodiment;
fig. 3 is a third schematic angle diagram of a power multiplication module for an inverter according to the present embodiment;
fig. 4 is a fourth schematic angle diagram of a power multiplication module for an inverter according to the present embodiment;
fig. 5 is a fifth angle schematic diagram of a power multiplication module for an inverter according to the present embodiment;
fig. 6 is a schematic circuit diagram of a power multiplication module for an inverter according to the present embodiment.
Reference numerals illustrate: 1. a PCB board; 2. a metal heat conductor; 21. a connecting plate; 22. a fin-type heat sink; 23. a first screw; 3. a power device; 31. a contact pin; 4. a heat radiation fan; 41. a fan fastening screw; 5. a fastening assembly; 51. a clamping plate; 52. a clamping plate screw; 6. a heat conductive insulating member; 7. a temperature sensor; 71. a second screw; 8. a rubber member.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
This embodiment:
as shown in fig. 1 to 6, a power multiplication module for an inverter of the present embodiment includes a PCB board 1, and a power device mechanism electrically connected to the PCB board 1; the power device mechanism comprises a metal heat conductor 2, four power devices 3 connected to the metal heat conductor 2 and a heat radiation fan 4 connected with the metal heat conductor 2; the pins 31 of the power device 3 are electrically connected with the PCB board 1. Further, a power topology circuit connected with the power device 3 is arranged on the PCB board 1. Specifically, the power topology circuit includes two control units connected with the four power devices 3, and is used for controlling on-off between two groups of power devices 3 which are arranged in a crossing manner in the four power devices 3, so as to achieve the purpose of converting direct current into alternating current. In this embodiment, the power device 3 is a MOS transistor power device, and the metal heat conducting member is made of aluminum. By adopting the scheme, the power device 3 is integrated independently of the radiator, so that the power device 3 is far away from the shell, and the electrical safety is improved; meanwhile, the heat dissipation fan 4 is used for carrying out forced air cooling heat dissipation on the power multiplication module, so that the heat dissipation efficiency of the power device 3 is improved, and the current load capacity of the power device 3 is greatly improved.
As shown in fig. 1-3, further, the metal heat conductor 2 includes a connection plate 21 detachably connected to the PCB board 1, and the connection plate 21 is vertically arranged with respect to the PCB board 1; wherein, two sides of the connecting plate 21 are respectively connected with two power devices 3. Preferably, two power devices 3 are connected to two sides of the PCB board 1, and the two power devices 3 located on each side are arranged at intervals. Further, the power device 3 is detachably connected to two sides of the connecting plate 21 through fastening components 5; wherein the fastening assembly 5 comprises two clamping plates 51 respectively abutting against a side of the power device 3 remote from the connecting plate 21, and clamping plate screws 52 penetrating the two clamping plates 51 to lock the power device 3 on the connecting plate 21; easy dismounting, be convenient for follow-up maintenance. Further, a heat conducting insulating member 6 is arranged between the power device 3 and the connecting plate 21, so that heat conducting and insulating effects are achieved, and electrical safety is improved. Further, the metal heat conductor 2 further includes a plurality of fin-shaped heat sinks 22 disposed above the power device 3 and the connection plate 21; the fin-shaped cooling fins 22 are formed by extending outwards from two sides of the connecting plate 21, so that the section of the metal heat conductor 2 is T-shaped, the surface area of the metal heat conductor 2 in contact with air is greatly increased, and the heat dissipation effect is good. Further, the connecting plate 21 is detachably connected to the PCB board 1 through the first screw 23, so that the assembly and the disassembly are convenient, and the subsequent maintenance is convenient.
As shown in fig. 3-4, further, a temperature sensor 7 is connected to a side of the metal heat conductor 2 away from the PCB board 1, and the temperature sensor 7 is detachably connected to the metal heat conductor 2 through a second screw 71; wherein, temperature sensor 7 with PCB board 1 electricity is connected to more accurate detection the temperature of metal heat conductor 2, it is safer to use.
As shown in fig. 1 and fig. 4-5, further, the heat dissipation fan 4 is detachably connected to the upper end of the metal heat conductor 2 through two fan fastening screws 41; and be provided with between the cooling fan 4 and the metal heat conductor 2 be used for vibration prevention and noise control's rubber 8, reduced vibrations and noise when cooling fan 4 operates.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (8)
1. A power multiplication module for an inverter, characterized by: the power device comprises a PCB (1) and a power device mechanism electrically connected with the PCB (1); the power device mechanism comprises a metal heat conductor (2), four power devices (3) connected to the metal heat conductor (2), and a heat radiation fan (4) connected with the metal heat conductor (2); the power device (3) is electrically connected with the PCB (1); the metal heat conductor (2) comprises a connecting plate (21) detachably connected with the PCB (1), and the connecting plate (21) is vertically arranged relative to the PCB (1); wherein two sides of the connecting plate (21) are respectively connected with two power devices (3); a heat conducting insulating piece (6) is arranged between the power device (3) and the connecting plate (21).
2. The power multiplication module for an inverter according to claim 1, wherein: the power device (3) is detachably connected to two sides of the connecting plate (21) through fastening components (5); wherein the fastening assembly (5) comprises two clamping plates (51) respectively abutted against one side of the power device (3) far away from the connecting plate (21), and clamping plate screws (52) penetrating through the two clamping plates (51) to lock the power device (3) on the connecting plate (21).
3. The power multiplication module for an inverter according to claim 1, wherein: the metal heat conductor (2) further comprises a plurality of fin-shaped radiating fins (22) which are arranged on the connecting plate (21) and are positioned above the power device (3); the fin-shaped radiating fins (22) are formed by extending outwards from two sides of the connecting plate (21), and the section of the metal heat conductor (2) is T-shaped.
4. The power multiplication module for an inverter according to claim 1, wherein: the connecting plate (21) is detachably connected to the PCB (1) through a first screw (23).
5. The power multiplication module for an inverter according to claim 1, wherein: one side of the metal heat conductor (2) far away from the PCB (1) is connected with a temperature sensor (7), and the temperature sensor (7) is detachably connected to the metal heat conductor (2) through a second screw (71); wherein the temperature sensor (7) is electrically connected with the PCB (1).
6. The power multiplication module for an inverter according to claim 1, wherein: the heat radiation fan (4) is detachably connected to the metal heat conductor (2) through a fan fastening screw (41); and a rubber piece (8) for vibration prevention and noise prevention is arranged between the heat radiation fan (4) and the metal heat conductor (2).
7. The power multiplication module for an inverter according to claim 1, wherein: and a power topology circuit connected with the power device (3) is arranged on the PCB (1).
8. The power multiplication module for an inverter according to any one of claims 1 to 7, wherein: the power device (3) comprises a MOS tube power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320355210.7U CN219998208U (en) | 2023-03-01 | 2023-03-01 | Power multiplication module for inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320355210.7U CN219998208U (en) | 2023-03-01 | 2023-03-01 | Power multiplication module for inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219998208U true CN219998208U (en) | 2023-11-10 |
Family
ID=88606424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320355210.7U Active CN219998208U (en) | 2023-03-01 | 2023-03-01 | Power multiplication module for inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219998208U (en) |
-
2023
- 2023-03-01 CN CN202320355210.7U patent/CN219998208U/en active Active
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