CN210985949U - Inverter capacitor cooling and heat dissipation device for new energy vehicle - Google Patents
Inverter capacitor cooling and heat dissipation device for new energy vehicle Download PDFInfo
- Publication number
- CN210985949U CN210985949U CN201920160838.5U CN201920160838U CN210985949U CN 210985949 U CN210985949 U CN 210985949U CN 201920160838 U CN201920160838 U CN 201920160838U CN 210985949 U CN210985949 U CN 210985949U
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- capacitor
- cooling
- heat dissipation
- copper bar
- bolt
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Abstract
The utility model relates to an inverter capacitor application, in particular to automobile-used inverter capacitor of new forms of energy cooling heat abstractor. Comprises a capacitor structure device and a cooling and heat-dissipating device fixed at the lower part of the capacitor structure device; the capacitor structure device comprises a capacitor shell, wherein a plurality of capacitors are fixed in the capacitor shell, and a resin layer is filled between each capacitor and the inner wall of the capacitor shell; the capacitor is respectively connected with a power copper bar anode and a power copper bar cathode, and an insulating gasket for insulation is arranged between superposed surfaces of the power copper bar anode and the power copper bar cathode; an insulating heat conduction gasket is fixed between the capacitor structure device and the cooling heat dissipation device; the capacitor cooling and heat dissipation structure comprises a cooling base, a cooling input, a cooling output, a cooler upper cover, a bolt a, a bolt b and an insulating heat conducting sheet. The utility model discloses realize that electric capacity is low-cost, high compactness, high heat dissipation, satisfy automobile-used high power density demand.
Description
(I) technical field
The utility model relates to an inverter capacitor application, in particular to automobile-used inverter capacitor of new forms of energy cooling heat abstractor.
(II) background of the invention
In the face of increasingly exhausted petroleum resources and huge pressure of environmental protection, the new energy vehicle shows huge advantages and wide development prospects.
The rapid development of new energy vehicles drives the rapid application of vehicle inverters. The key core component capacitor in the vehicle inverter is a key device for realizing power conversion and is also a heating device. If the heat of the inverter is not dissipated, the output performance of the inverter is directly influenced or the inverter is damaged.
The inverter for the vehicle is constrained by the arrangement space, the compactness requirement is high, and the direct problem brought by the high compactness requirement is system heat dissipation, and how to efficiently dissipate the heat becomes the outstanding requirement of a heating device in the inverter. In order to meet the requirement, the capacitor in the inverter is specially designed for heat dissipation compared with the traditional industrial capacitor, for example, the traditional industrial capacitor is generally connected by adopting cylindrical bolts, the cooling heat dissipation of the capacitor is not considered, and the heat dissipation of the capacitor for the vehicle is considered because the capacitor for the vehicle is packaged in a block shape, so that the working temperature rise is reduced.
The current automobile-used cubic electric capacity power terminal is drawn forth from electric capacity casing side usually, and inside monomer passes through side potting resin and realizes that the monomer is fixed, because epoxy heat conductivility is poor, and electric capacity production heat is difficult to be followed electric capacity bottom surface heat dissipation, can only dispel the heat through limited extraction power terminal, and the radiating effect is relatively poor.
(III) contents of utility model
The utility model discloses a remedy prior art not enough, provide an inverter capacitor cooling heat abstractor for new forms of energy vehicle.
The utility model discloses a realize through following technical scheme:
the utility model provides an inverter capacitor cooling heat abstractor for new forms of energy vehicle which characterized in that: comprises a capacitor structure device and a cooling and heat-dissipating device fixed at the lower part of the capacitor structure device; the capacitor structure device comprises a capacitor shell, wherein a plurality of capacitors are fixed in the capacitor shell, a resin layer is filled between each capacitor and the inner wall of the capacitor shell, and the resin layer is used for capacitor fixation and heat dissipation; the capacitor is respectively connected with a power copper bar anode and a power copper bar cathode, and an insulating gasket for insulation is arranged between superposed surfaces of the power copper bar anode and the power copper bar cathode; an insulating heat conduction gasket is fixed between the capacitor structure device and the cooling heat dissipation device; the capacitor cooling heat dissipation structure comprises a cooling base, a cooling input, a cooling output, a cooler upper cover, a bolt a, a bolt b and an insulating heat conducting fin; and the bolt a and the bolt b are respectively positioned at the front end and the rear end of the cooler upper cover and are used for fixing the cooler upper cover and the cooling base.
Further, the bolt a and the bolt b are respectively provided with a sealing ring.
Furthermore, the outer wall of the cooling base is provided with heat dissipation fins.
The cooling input and the cooling output are respectively a cooling liquid water inlet and a cooling liquid water outlet and are used for the inlet and the outlet of cooling liquid; the upper cover of the cooler is a metal plate and is used for sealing the cooling cavity; the cooling base is a metal block with a cooling cavity, usually made of aluminum, and a cooler is placed in the cooling cavity, wherein one end of the cooler is used as a cooling input, and the other end of the cooler is used as a cooling output.
The utility model has the advantages that: an object of the utility model is to provide an electric capacity and cooling capacitor's cooling radiator structure realizes that electric capacity is low-cost, high compact, high heat dissipation, satisfies automobile-used high power density demand.
(IV) description of the drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the capacitor structure of the present invention;
FIG. 2 is a structural diagram of the cooling and heat dissipation of the capacitor of the present invention;
in the figure, 1 cooling input, 2 cooler base, 3 cooler upper cover, 4 insulating heat conduction gasket, 5 power copper bar positive electrode, 6 capacitor, 7 cooling output, 8 bolt a, 9 power copper bar negative electrode, 10 insulating gasket, 11 resin layer, 12 capacitor shell, 13 bolt b, 14 sealing ring.
(V) detailed description of the preferred embodiments
The attached drawing is a concrete embodiment of the utility model. The embodiment comprises a capacitor structure device and a cooling and heat dissipation device fixed at the lower part of the capacitor structure device; the capacitor structure device comprises a capacitor shell 12, wherein a plurality of capacitors 6 are fixed in the capacitor shell 12, a resin layer 11 is filled between the capacitors 6 and the inner wall of the capacitor shell 12, and the resin layer 11 is used for capacitor fixation and heat dissipation; the capacitor 6 is respectively connected with a power copper bar anode 5 and a power copper bar cathode 9, and an insulating gasket 10 for insulation is arranged between the superposed surfaces of the power copper bar anode 5 and the power copper bar cathode 9; an insulating heat conduction gasket 4 is fixed between the capacitor structure device and the cooling heat dissipation device; the capacitor cooling and heat dissipating structure comprises a cooling base 2, a cooling input 1, a cooling output 7, a cooler upper cover 3, a bolt a8, a bolt b13 and an insulating heat conducting sheet 4; the bolt a8 and the bolt b13 are respectively positioned at the front end and the rear end of the cooler upper cover 3 and are used for fixing the cooler upper cover 3 and the cooling base 2.
Further, the bolts a8 and b13 are respectively provided with a seal ring 14.
Furthermore, the outer wall of the cooling base is provided with heat dissipation fins.
The capacitor monomer adopts a film capacitor, the film material can be polypropylene or polyester, and the quantity of the capacitor monomer is determined by the capacity of the capacitor;
the capacitor shell can be made of plastic or metal and is used for fixing the capacitor monomer;
the power copper bar anode 5 and the power copper bar cathode 9 are made of red copper and are used for leading out the anode and the cathode of a capacitor, so that circuit connection and current carrying of a circuit are realized, and the superposed surface of the copper bar anode 5 and the power copper bar cathode 9 is insulated by an insulating gasket;
the resin layer 11 can adopt epoxy resin and is used for fixing the capacitor monomer and enhancing heat dissipation;
the capacitor cooling radiator upper cover can be made of high-heat-conduction metal materials such as copper and aluminum, the upper surface is a plane, the capacitor cooling radiator upper cover is in contact with the capacitor power copper bar through the insulating heat-conduction gasket, the enhanced heat dissipation effect is achieved, and the lower surface is a plane.
The heat radiator base can be made of metal materials such as aluminum and the like, cooling input and cooling output are provided, forced liquid cooling is achieved, the heat radiator base can be in a planar shape or in a shape with a shell wall on the periphery, and the heat radiator base is specifically determined according to the internal design and arrangement of the inverter.
The sealing ring can be an O-shaped sealing ring made of cooling liquid resistant materials such as silicon rubber or nitrile rubber, or the sealing O-shaped sealing ring is not needed.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.
Claims (3)
1. The utility model provides an inverter capacitor cooling heat abstractor for new forms of energy vehicle which characterized in that: comprises a capacitor structure device and a cooling and heat-dissipating device fixed at the lower part of the capacitor structure device; the capacitor structure device comprises a capacitor shell, wherein a plurality of capacitors are fixed in the capacitor shell, a resin layer is filled between each capacitor and the inner wall of the capacitor shell, and the resin layer is used for capacitor fixation and heat dissipation; the capacitor is respectively connected with a power copper bar anode and a power copper bar cathode, and an insulating gasket for insulation is arranged between superposed surfaces of the power copper bar anode and the power copper bar cathode; an insulating heat conduction gasket is fixed between the capacitor structure device and the cooling heat dissipation device; the capacitor cooling heat dissipation structure comprises a cooling base, a cooling input, a cooling output, a cooler upper cover, a bolt a, a bolt b and an insulating heat conducting fin; and the bolt a and the bolt b are respectively positioned at the front end and the rear end of the cooler upper cover and are used for fixing the cooler upper cover and the cooling base.
2. The inverter capacitor cooling heat dissipation device for the new energy vehicle of claim 1, wherein: and the bolt a and the bolt b are respectively provided with a sealing ring.
3. The inverter capacitor cooling heat dissipation device for the new energy vehicle of claim 1, wherein: and the outer wall of the cooling base is provided with heat dissipation fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160838.5U CN210985949U (en) | 2019-01-30 | 2019-01-30 | Inverter capacitor cooling and heat dissipation device for new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160838.5U CN210985949U (en) | 2019-01-30 | 2019-01-30 | Inverter capacitor cooling and heat dissipation device for new energy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210985949U true CN210985949U (en) | 2020-07-10 |
Family
ID=71414746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920160838.5U Expired - Fee Related CN210985949U (en) | 2019-01-30 | 2019-01-30 | Inverter capacitor cooling and heat dissipation device for new energy vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210985949U (en) |
-
2019
- 2019-01-30 CN CN201920160838.5U patent/CN210985949U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20210130 |