CN213027789U - Power module with controllable strong magnetic field and heat dissipation function - Google Patents
Power module with controllable strong magnetic field and heat dissipation function Download PDFInfo
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- CN213027789U CN213027789U CN202022256317.5U CN202022256317U CN213027789U CN 213027789 U CN213027789 U CN 213027789U CN 202022256317 U CN202022256317 U CN 202022256317U CN 213027789 U CN213027789 U CN 213027789U
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- heat dissipation
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- strong magnetic
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 48
- 239000003990 capacitor Substances 0.000 claims abstract description 39
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010409 thin film Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 238000004146 energy storage Methods 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 8
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a have controllable strong magnetic field and heat dissipation function's power module concurrently, include: only an L-shaped shell, a heat dissipation assembly, an IGBT power assembly, an IGBT drive board and a direct current filter assembly are arranged in the shell; through adopting stainless steel material capacitor support piece, the strong magnetic field that produces when having controlled the heavy current and passing through to the heat that the strong magnetic field produced has been controlled, has promoted film capacitor life among the power module system, promotes the performance of whole product. Especially to new forms of energy technical field photovoltaic inverter, energy storage converter, the heat dissipation is the key factor, also is the difficult problem of heavily considering in the design, the utility model discloses the crucial influence has been played. The technical problems that the existing power module strong magnetic field generates large heat, the service life of a direct current filter film capacitor used for a power module system is shortened, and the performance of a product is reduced in the prior art are solved.
Description
Technical Field
The utility model relates to a new forms of energy technical field such as photovoltaic inverter, energy storage converter especially relates to a have controllable strong magnetic field and heat dissipation function's power module concurrently.
Background
In a photovoltaic energy storage product, heat dissipation is a difficult problem in an existing power module system, a fan air channel and a power assembly are designed in a separated mode in general design, assembly workload is increased, meanwhile, one module cannot be used for shipment of single semi-finished products, and heat dissipation cannot achieve the double (heat pipe, fan, air channel and air blowing design are dustproof, and the service life of a fan motor is prolonged) effect. In addition, the capacitor is fixed by adopting carbon steel, and the capacitor support piece made of carbon steel can generate a strong magnetic field when a large current passes through the power module system, so that larger heat can be generated, and the service life of the direct-current filter film capacitor used for the power module system is shortened, thereby shortening the service life of the power module system and simultaneously reducing the performance of a product. Therefore, how to design a power module for controlling a strong magnetic field when a large current passes through is a technical problem which needs to be solved urgently.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a power module with controllable strong magnetic field and heat dissipation function, which aims to solve the problem that the strong magnetic field of the existing power module in the prior art generates large heat and reduces the service life of the dc filter film capacitor used in the power module system, thereby reducing the performance of the product.
In order to achieve the above object, the utility model provides a have controllable strong magnetic field and heat dissipation function's power module concurrently, the power module that has controllable strong magnetic field and heat dissipation function concurrently includes: only an L-shaped shell, a heat dissipation assembly, an IGBT power assembly, an IGBT drive board and a direct current filter assembly are arranged in the shell; wherein: the heat dissipation assembly comprises a fan and a radiator, the fan is fixedly arranged by the side wall, the IGBT power assembly and the IGBT drive board are connected and fixed on the radiator, and the heat dissipation efficiency is improved by the matching of the fan and the radiator; the direct current filter assembly comprises a thin film capacitor, a capacitor fixing support piece and a laminated busbar, wherein the capacitor fixing support piece is arranged on the lower side of the thin film capacitor and is in contact with the bottom surface of the shell, the laminated busbar is arranged on the upper side of the thin film capacitor, and the direct current signal of the IGBT power assembly is filtered through the arrangement of the thin film capacitor.
Preferably, the power module with the functions of controllable strong magnetic field and heat dissipation also comprises a copper bar assembly, wherein the copper bar assembly is connected with the IGBT power assembly and the IGBT drive board, so that the heat dissipation effect of the power module is further improved.
Preferably, the power module with the functions of controllable strong magnetic field and heat dissipation is characterized in that the capacitor fixing and supporting piece is made of stainless steel and used for controlling the strong magnetic field generated when the IGBT power assembly passes through large current.
Preferably, a fan air duct is arranged between the fan and the radiator to improve the heat dissipation efficiency of the fan and the radiator to the IGBT power assembly and the IGBT drive board.
Preferably, the power module has both controllable strong magnetic field and heat dissipation function, and the heat sink is distributed with heat pipes to improve the heat dissipation effect of the power module.
The utility model discloses in, provide a have controllable strong magnetic field and heat dissipation function's power module concurrently, include: only an L-shaped shell, a heat dissipation assembly, an IGBT power assembly, an IGBT drive board and a direct current filter assembly are arranged in the shell; through adopting stainless steel material capacitor support piece, the strong magnetic field that produces when having controlled the heavy current and passing through to the heat that the strong magnetic field produced has been controlled, has promoted film capacitor life among the power module system, promotes the performance of whole product. Especially to new forms of energy technical field photovoltaic inverter, energy storage converter, the heat dissipation is the key factor, also is the difficult problem of heavily considering in the design, the utility model discloses the crucial influence has been played. The technical problems that the existing power module strong magnetic field generates large heat, the service life of a direct current filter film capacitor used for a power module system is shortened, and the performance of a product is reduced in the prior art are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power module system with controllable strong magnetic field and heat dissipation functions provided by the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The utility model provides an embodiment, refer to fig. 1, fig. 1 is the utility model provides a have controllable strong magnetic field and heat dissipation function's power module structure sketch map concurrently.
As shown in fig. 1, the power module system of the embodiment of the present invention is composed of a fan 1, an air duct 2, a copper bar assembly 3, a heat sink 4 (on which a heat pipe is arranged), an IGBT power assembly 5, a thin film capacitor, a capacitor fixing member, a laminated busbar, an IGBT drive plate 9, a housing 10, and other large components.
The integrated design reduces the assembly workload of the whole machine, meanwhile, the module can be used for delivering goods as an independent semi-finished product, and the radiator 4, the heat pipe, the fan 1, the air duct 2 and the blowing design are dustproof, the heat is prevented from being excessively concentrated, and the service life of the motor of the fan 1 is prolonged. The module has the advantages of doubling the heat dissipation effect and being better than the common module. The capacitor is fixed by stainless steel, so that the strong magnetic field generated when a large current passes through is controlled, and the heat generated by the strong magnetic field is controlled. In this embodiment, a power module with controllable strong magnetic field and heat dissipation function includes: only an L-shaped shell 10, and a heat dissipation assembly, an IGBT power assembly 5, an IGBT drive plate 9 and a direct current filter assembly which are arranged inside the shell 10; wherein: the heat dissipation assembly comprises a fan 1 and a radiator 4, the fan 1 is fixedly arranged by the side wall, the IGBT power assembly 5 and the IGBT drive board 9 are connected and fixedly arranged between the fan 1 and the radiator 4, and the heat dissipation efficiency is improved by the matching of the fan 1 and the radiator 4; the direct current filter assembly comprises a thin film capacitor, a capacitor fixing support piece and a laminated busbar, wherein the capacitor fixing support piece is arranged on the lower side of the thin film capacitor and is in contact with the bottom surface of the shell 10, the laminated busbar is arranged on the upper side of the thin film capacitor, and the direct current signal of the IGBT power assembly 5 is filtered through the arrangement of the thin film capacitor.
It should be noted that the heat dissipation assembly further comprises a copper bar assembly 3, and the copper bar assembly 3 is connected with an IGBT power assembly 5 and an IGBT drive board 9, so that the heat dissipation effect of the power module is further improved. The capacitor fixing and supporting piece is made of stainless steel and is used for controlling a strong magnetic field generated when the IGBT power assembly 5 passes through large current.
It should be noted that a fan 1 air duct 2 is arranged between the fan 1 and the combined structure of the IGBT power component 5 and the IGBT drive board 9, so as to improve the heat dissipation efficiency of the fan 1 to the IGBT power component 5 and the IGBT drive board 9. The heat radiator 4 is distributed with heat pipes to improve the heat radiation effect of the power module.
Technical problem 1 that this embodiment will solve reduces complete machine assembly work load, and the module can regard as alone semi-manufactured goods shipment simultaneously, and radiator 4, heat pipe, fan 1, wind channel 2, the design of blowing is dustproof, has avoided hot too collection dress, improves fan 1 motor life. The module has the advantages of doubling the heat dissipation effect and being better than the common module.
The technical problem 2 is solved in this embodiment, a stainless steel material capacitor support for reducing heat and increasing efficiency in a power module system is provided, the capacitor support is basically used for fixing a direct current filter film capacitor in the power module system, the material is stainless steel, and the formed structural form is an effect which can not be achieved by common carbon steel, (if carbon steel is adopted, a strong magnetic field can be formed, heat can be generated, the service life of the direct current filter film capacitor is reduced, and the performance of the whole machine product is greatly influenced). After the structure of stainless steel material is changed, through the test, the strong magnetic field that produces when finding the control heavy current that can be fine passes through plays obvious improvement to product key part power module system heat reduction and rise effect.
Preferably, the power module system comprises a fan 1, a radiator 4, a heat pipe, an IGBT power assembly 5, a copper bar group, a shell 10, a laminated busbar, a direct-current filter film capacitor and an IGBT driver board 9, and is a key component of the new energy product.
Compared with the prior art, the utility model discloses well power module system adopts stainless steel material electric capacity support piece, has controlled the strong magnetic field that the heavy current produced when passing through to the heat that the control strong magnetic field produced has promoted film capacitor life among the power module system, promotes the performance of whole product. Especially to new forms of energy technical field photovoltaic inverter, energy storage converter, the heat dissipation is the key factor, also is the difficult problem of heavily considering in the design, the utility model discloses the crucial influence has been played.
The methods, systems, and modules disclosed herein may be implemented in other ways. For example, the above-described embodiments are merely illustrative, and for example, the division of the modules may be merely a logical division, and an actual implementation may have another division, for example, a plurality of modules or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be referred to as an indirect coupling or communication connection through some interfaces, systems or modules, and may be in an electrical, mechanical or other form.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. The utility model provides a have controllable strong magnetic field and power module of heat dissipation function concurrently which characterized in that, power module of controllable strong magnetic field and heat dissipation function concurrently includes: only an L-shaped shell (10), and a heat dissipation assembly, an IGBT power assembly (5), an IGBT drive plate (9) and a direct current filter assembly which are arranged in the shell (10); wherein: the heat dissipation assembly comprises a fan (1) and a radiator (4), the fan (1) is fixedly arranged by the side wall, the IGBT power assembly (5) and the IGBT drive board (9) are connected and fixed on the radiator, and the heat dissipation efficiency is improved by the matching of the fan (1) and the radiator (4); the direct current filter assembly comprises a thin film capacitor, a capacitor fixing support piece (7) arranged on the lower side of the thin film capacitor and contacted with the bottom surface of the shell (10), and a laminated busbar (8) arranged on the upper side of the thin film capacitor (6), and the direct current signal of the IGBT power assembly (5) is filtered through the arrangement of the thin film capacitor.
2. The power module with the functions of controllable strong magnetic field and heat dissipation according to claim 1, wherein the heat dissipation assembly further comprises a copper bar assembly (3), and the copper bar assembly (3) is connected with the IGBT power assembly (5) and the IGBT drive board (9), so as to further improve the heat dissipation effect of the power module.
3. The power module with the functions of controllable strong magnetic field and heat dissipation according to claim 1, wherein the capacitor fixing and supporting member is made of stainless steel and is used for controlling the strong magnetic field generated when the IGBT power assembly (5) passes a large current.
4. The power module with the functions of controllable strong magnetic field and heat dissipation according to claim 1, wherein a fan (1) air duct (2) is disposed between the fan (1) and the heat sink (4) to improve heat dissipation efficiency of the fan (1) and the heat sink (4) to the IGBT power assembly (5) and the IGBT driver board (9).
5. The power module with both controllable strong magnetic field and heat dissipation function as claimed in claim 1, wherein the heat sink (4) is provided with heat pipes for improving the heat dissipation effect of the power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022256317.5U CN213027789U (en) | 2020-10-12 | 2020-10-12 | Power module with controllable strong magnetic field and heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022256317.5U CN213027789U (en) | 2020-10-12 | 2020-10-12 | Power module with controllable strong magnetic field and heat dissipation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213027789U true CN213027789U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022256317.5U Active CN213027789U (en) | 2020-10-12 | 2020-10-12 | Power module with controllable strong magnetic field and heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213027789U (en) |
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2020
- 2020-10-12 CN CN202022256317.5U patent/CN213027789U/en active Active
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