CN111384012A - Frequency converter IGBT module liquid cooling heat abstractor of electronic loader - Google Patents
Frequency converter IGBT module liquid cooling heat abstractor of electronic loader Download PDFInfo
- Publication number
- CN111384012A CN111384012A CN202010366086.5A CN202010366086A CN111384012A CN 111384012 A CN111384012 A CN 111384012A CN 202010366086 A CN202010366086 A CN 202010366086A CN 111384012 A CN111384012 A CN 111384012A
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- Prior art keywords
- water
- cooling head
- igbt module
- liquid
- radiator
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- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 239000007788 liquid Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 230000017525 heat dissipation Effects 0.000 claims abstract description 29
- 239000004519 grease Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/467—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to an electric loader, in particular to a liquid cooling heat dissipation device for an IGBT module of a frequency converter of the electric loader. The IGBT module is tightly attached to the upper surface of a top panel of the water cooling head, and a plurality of vertical radiating fins are densely distributed on the lower surface of the top panel of the water cooling head; the water pump is arranged at the bottom in the water-cooling head, the inlet of the water pump is communicated with the water outlet chamber of the radiator through a liquid inlet pipe, the water-cooling head is communicated with the water inlet chamber of the radiator through a liquid outlet pipe, and a plurality of heat dissipation water channels are arranged between the water outlet chamber and the water inlet chamber of the radiator; and a fan is arranged on one side of the radiator, and the water pump and the fan are electrically connected with the control circuit. According to the IGBT module, the heat is quickly dissipated through the heat dissipation fins, and the heat dissipation fins are cooled by water, so that the heat dissipation efficiency of the IGBT module is improved; the fan increases the heat dissipation power of the heat sink, so that the functions of the heat sink are centralized; the water cooling head adopts direct injection pressurization in the cavity, so that the heat exchange efficiency is higher, and the service life of the pump body is longer.
Description
Technical Field
The invention relates to an electric loader, in particular to a frequency converter IGBT die liquid cooling heat dissipation device of the electric loader.
Background
The IGBT module is a core device for energy conversion and transmission, is commonly called as a 'CPU' of a power electronic device, and is widely applied to the fields of rail transit, smart power grids, aerospace, electric vehicles, new energy equipment and the like. The main motor of the electric loader adopts a variable frequency motor, the rotating speed of the main motor is regulated by a frequency converter, the IGBT module is applied to the frequency converter of the electric loader, and the IGBT module can generate a large amount of heat during working. At present, the IGBT module adopts an air-cooled radiator, and is influenced by the structure and the working condition of the electric loader, the air-cooled heat dissipation efficiency is not high, and the normal work of the IGBT module can be influenced due to poor heat dissipation, so that the normal work of the electric loader is influenced.
Disclosure of Invention
The invention aims to provide a liquid cooling heat dissipation device for an IGBT module of a frequency converter of an electric loader, so as to improve the heat dissipation efficiency of the IGBT module.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a liquid cooling heat dissipation device for an IGBT module of a frequency converter of an electric loader comprises a water cooling head and a water pump, wherein the water cooling head is of a closed box structure, the IGBT module is tightly attached to the upper surface of a top panel of the water cooling head, and a plurality of vertical heat dissipation fins are densely distributed on the lower surface of the top panel of the water cooling head; the water pump is arranged at the bottom in the water cooling head, the inlet of the water pump is communicated with the water outlet chamber of the radiator through a liquid inlet pipe, the water cooling head is communicated with the water inlet chamber of the radiator through a liquid outlet pipe, and a plurality of heat dissipation water channels are arranged between the water outlet chamber and the water inlet chamber of the radiator; and a fan is arranged on one side of the radiator, and the water pump and the fan are respectively and electrically connected with the control circuit.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:
the IGBT module quickly dissipates heat through the heat dissipation fins, and the heat dissipation fins are cooled by water, so that the heat dissipation efficiency is improved, the working temperature of the IGBT module is reduced, and the working stability of the IGBT module is improved; the fan increases the heat dissipation power of the heat sink, so that the functions of the heat sink are centralized, the occupied space of the device is reduced, and the heat dissipation speed is increased; the water cooling head adopts direct injection pressurization in the cavity, so that the heat exchange efficiency is higher, and the service life of the pump body is longer.
Further, the optimization scheme of the invention is as follows:
a circulating water channel is arranged in the water cooling head, and the circulating water channel enables cooling liquid to flow to the liquid outlet pipe from an outlet of the water pump through the radiating fins.
And heat-conducting silicone grease is coated between the IGBT module and the water-cooling head.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the connection between an IGBT module and a water-cooled head according to an embodiment of the invention;
FIG. 3 is a heat dissipation diagram of an embodiment of the present invention;
in the figure: an IGBT module 1; a water cooling head 2; a circulating water channel 2-1; a heat sink 3; a liquid inlet pipe 4; a liquid outlet pipe 5; a fan 6; heat-conducting silicone grease 7; a water pump power line 8; a fan power cord 9; heat dissipating fins 10; a water pump 11.
Detailed Description
The invention is further illustrated by the following figures and examples.
Referring to fig. 1, the present embodiment is a liquid cooling heat dissipation device for an IGBT module of an electric loader, and the liquid cooling heat dissipation device is composed of a water cooling head 2, a heat sink 3, a liquid inlet pipe 4, a liquid outlet pipe 5, a fan 6, and the like. The water-cooling head 2 is an enclosed rectangular box structure, a plurality of vertical radiating fins 10 are densely distributed on the lower surface of a top panel of the water-cooling head 2, specifically, the radiating fins 10 are made of copper or aluminum, and the radiating fins 10 increase the contact area between a heat conduction copper surface and a cooling medium in the water-cooling head 2. IGBT module 1 hugs closely and installs the upper surface at the top panel of water-cooling head 2, scribbles heat conduction silicone grease between IGBT module 1 and the water-cooling head 2, can make the more smooth radiating fin 10 that transmits to the water-cooling head 2 of the heat that IGBT module 1 produced.
The water pump 11 is installed at the bottom in the water cooling head 2, the inlet end of the water pump 11 is arranged outside the water cooling head 2, the water cooling head 2 is provided with a liquid outlet, a square-back-shaped circulating water channel 2-1 is arranged in the water cooling head 2, and the circulating water channel 2-1 enables cooling liquid to flow from the outlet of the water pump 11 to the liquid outlet of the water cooling head 2 through the radiating fins 10. The liquid outlet of the water cooling head 2 is communicated with the water inlet chamber of the radiator 3 through a liquid outlet pipe 5, the inlet of the water pump 11 is communicated with the water outlet chamber of the radiator 3 through a liquid inlet pipe 4, and a plurality of heat dissipation water channels are arranged between the water outlet chamber and the water inlet chamber of the radiator 3. A fan 6 is arranged on one side of the radiator 3, and a water pump power supply line 8 and a fan power supply line 9 are respectively and electrically connected with the control circuit. The fan 6 increases the heat dissipation power of the heat sink 3, so that the functions of the heat sink 3 are concentrated, thereby reducing the occupied space of the device and increasing the heat dissipation speed. The water cooling head 2 adopts intracavity direct injection pressurization, so that the heat exchange efficiency is higher, and the service life of the water pump 11 is longer.
In the working process of this embodiment (as shown in fig. 3), the water cooling head 2, the heat sink 3, the liquid inlet pipe 4 and the liquid outlet pipe 5 are filled with a cooling medium, in this embodiment, the cooling medium is water or cooling liquid, when the main motor of the electric loader starts to operate, the IGBT module 1 for motor system control can rapidly generate heat, and simultaneously the water cooling head 2 and the water pump 11 start to operate after being powered on, water in the water channel starts to circularly flow in the water cooling head 2 and the heat sink 3, the heat emitted from the IGBT module 1 is transferred to the heat dissipation fins 10 in the water cooling head 2 through the heat conductive silicone grease, the cooling medium circularly flows in the circulating water channel 2-1 of the water cooling head 2 to take away most of the heat and flow into the heat sink 3, the heat sink 3 is provided with a water cooling plate, the water cooling plate has high integration and fast heat dissipation speed, and the heat is rapidly dissipated from the heat sink 3 by a convection heat dissipation method, the temperature of the cooling medium is reduced, and the cooling medium enters the next cooling circulation, so that the heat generated by the IGBT is quickly and effectively dissipated due to the circulation flow of the cooling medium.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (3)
1. The utility model provides a converter IGBT module liquid cooling heat abstractor of electronic loader, includes the water-cooling head, the water pump, its characterized in that: the water cooling head is of a closed box body structure, the IGBT module is tightly attached to the upper surface of the top panel of the water cooling head, and a plurality of vertical radiating fins are densely distributed on the lower surface of the top panel of the water cooling head; the water pump is arranged at the bottom in the water cooling head, the inlet of the water pump is communicated with the water outlet chamber of the radiator through a liquid inlet pipe, the water cooling head is communicated with the water inlet chamber of the radiator through a liquid outlet pipe, and a plurality of heat dissipation water channels are arranged between the water outlet chamber and the water inlet chamber of the radiator; and a fan is arranged on one side of the radiator, and the water pump and the fan are respectively and electrically connected with the control circuit.
2. The liquid-cooled heat sink device for an inverter IGBT module of an electric loader according to claim 1, characterized in that: the water cooling head is internally provided with a return-shaped circulating water channel, and the circulating water channel enables cooling liquid to flow to the liquid outlet pipe from the outlet of the water pump through the radiating fins.
3. The liquid-cooled heat sink device for an inverter IGBT module of an electric loader according to claim 1, characterized in that: and heat-conducting silicone grease is coated between the IGBT module and the top panel of the water-cooling head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010366086.5A CN111384012A (en) | 2020-04-30 | 2020-04-30 | Frequency converter IGBT module liquid cooling heat abstractor of electronic loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010366086.5A CN111384012A (en) | 2020-04-30 | 2020-04-30 | Frequency converter IGBT module liquid cooling heat abstractor of electronic loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111384012A true CN111384012A (en) | 2020-07-07 |
Family
ID=71219238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010366086.5A Pending CN111384012A (en) | 2020-04-30 | 2020-04-30 | Frequency converter IGBT module liquid cooling heat abstractor of electronic loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111384012A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114679894A (en) * | 2022-04-18 | 2022-06-28 | 北京汇智天华新能源科技有限公司 | Frequency converter processing method of wind turbine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533917A (en) * | 2009-04-02 | 2009-09-16 | 大连理工大学 | Device for heating and refrigerating flowing liquid |
| CN103413794A (en) * | 2013-08-16 | 2013-11-27 | 中国科学院深圳先进技术研究院 | Radiating packaging structure of semiconductor power device |
| WO2016045184A1 (en) * | 2014-09-24 | 2016-03-31 | 中国北车集团大连机车研究所有限公司 | Cooling unit for traction converter |
| CN106486433A (en) * | 2016-12-30 | 2017-03-08 | 株洲时代金属制造有限公司 | Igbt radiator |
| CN109152286A (en) * | 2018-08-29 | 2019-01-04 | 南京航空航天大学 | Aero dynamo starter controller enclosed liquid cooling apparatus and liquid cooling method |
| CN211555865U (en) * | 2020-04-30 | 2020-09-22 | 唐山鼎石汽车制造有限公司 | Frequency converter IGBT module liquid cooling heat abstractor of electronic loader |
-
2020
- 2020-04-30 CN CN202010366086.5A patent/CN111384012A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533917A (en) * | 2009-04-02 | 2009-09-16 | 大连理工大学 | Device for heating and refrigerating flowing liquid |
| CN103413794A (en) * | 2013-08-16 | 2013-11-27 | 中国科学院深圳先进技术研究院 | Radiating packaging structure of semiconductor power device |
| WO2016045184A1 (en) * | 2014-09-24 | 2016-03-31 | 中国北车集团大连机车研究所有限公司 | Cooling unit for traction converter |
| CN106486433A (en) * | 2016-12-30 | 2017-03-08 | 株洲时代金属制造有限公司 | Igbt radiator |
| CN109152286A (en) * | 2018-08-29 | 2019-01-04 | 南京航空航天大学 | Aero dynamo starter controller enclosed liquid cooling apparatus and liquid cooling method |
| CN211555865U (en) * | 2020-04-30 | 2020-09-22 | 唐山鼎石汽车制造有限公司 | Frequency converter IGBT module liquid cooling heat abstractor of electronic loader |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114679894A (en) * | 2022-04-18 | 2022-06-28 | 北京汇智天华新能源科技有限公司 | Frequency converter processing method of wind turbine |
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