CN209626045U - A kind of high current water cooling automobile bus electricity container - Google Patents
A kind of high current water cooling automobile bus electricity container Download PDFInfo
- Publication number
- CN209626045U CN209626045U CN201920395903.2U CN201920395903U CN209626045U CN 209626045 U CN209626045 U CN 209626045U CN 201920395903 U CN201920395903 U CN 201920395903U CN 209626045 U CN209626045 U CN 209626045U
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- copper sheet
- heat sink
- core group
- capacitor
- capacitance core
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Abstract
The utility model belongs to thin film capacitor technical field, and in particular to a kind of high current water cooling automobile bus electricity container.It includes capacitance core group, and the capacitance core group is composed in parallel by several capacitor cores, and heat sink is provided with below the capacitance core group, and riveting has copper sheet on the heat sink.The center heat of the utility model capacitance core group can pass through capacitor core, and -- > copper sheet -- > heat sink -- the heat dissipation path of > radiating fin is by heat derives, 5~10 degree are reduced compared to traditional approach capacitance core group highest point temperature, the internal temperature for thus greatly reducing capacitance core group improves the withstanding current capability of capacitor；Copper sheet is made of a lateral copper sheet and several vertical copper sheets, lateral copper sheet is arranged between the capacitance core group and heat sink, vertical copper sheet is arranged between two capacitor cores, being arranged such can effectively export to heat sink for the heat of each capacitor core, it finally travels in air, avoids inside capacitor core since heat build-up is too fast, excessively high and cause to burn.
Description
Technical field
The utility model belongs to thin film capacitor technical field, and in particular to a kind of high current water cooling automobile bus capacitor
Device.
Background technique
Metallic film capacitor is one of electronic equipment primary element, be mainly used in blocking, bypass, coupling, filtering,
The fields such as energy conversion, resonant tank and control circuit.Since new energy electricity drives in electric-control system more and more using SiC's
IGBT, higher and higher to ambient temperature requirements, highest can achieve 125 DEG C, along with capacitor itself is when passing through ripple current
Meeting spontaneous heating, superimposed temperature will lead to the even thermal breakdown of PP thin-film capacitor thermal runaway.Fuse is often in DC support capacitor
It is composed in parallel by multiple fuses, since PP material is anisotropy, interlayer thermal coefficient often only has 0.1W/MK, leads to fuse
Heat transfer efficiency between fuse is very low.
Authorization Notice No. are as follows: the utility model of 203277095 U of CN, a kind of high-power commercial electromagnetic stove electricity container, packet
The capacitor core for including aluminum heat-dissipating casing and being mounted in it, capacitor core are drawn outside shell by tin plating copper sheet, capacitor core
It is locked in heat-dissipating casing by thermal grease conduction.The heat-dissipating casing surface is equipped with several outwardly extending radiating fins.The reality
Be with novel beneficial effect: 1) structure is simple, and production cost is low, improves the market competitiveness.2) it is made using Aluminium Radiator
The shell of capacitor is met the heat dissipation effect of capacitor core using the excellent heating conduction of aluminium, it is avoided to burn because of overheat.
3) impact of its heavy current and overload capacity can be promoted as lead terminal using tin plating copper sheet.However the position that capacitor is most warm
Set be capacitor core central part, the temperature effect that above-mentioned capacitor reduces fuse hottest point is unobvious.
Utility model content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of high current water cooling vapour
Vehicle bus electricity container.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of high current water cooling automobile bus capacitor
Device, including capacitance core group, the capacitance core group are composed in parallel by several capacitor cores, are provided with below the capacitance core group scattered
Hot plate, riveting has copper sheet on the heat sink.
Further, the heat sink is aluminium alloy water-cooling plate.
Further, the copper sheet is made of a lateral copper sheet and several vertical copper sheets, and the transverse direction copper sheet is arranged in institute
It states between capacitance core group and heat sink, several vertical copper sheets are arranged between two capacitor cores.
Further, the thickness of the lateral copper sheet is greater than the thickness of the vertical copper sheet.
Further, the vertical copper sheet with a thickness of 0.5mm.
Further, the end face of the heat sink is equipped with several outwardly extending radiating fins.
Further, the radiating fin is isosceles trapezoid, the adjacent heat sink in the bottom of the trapezoidal radiating fin
End face.
The beneficial effects of the utility model are:
1, the center heat of the utility model capacitance core group can pass through capacitor core -- > copper sheet -- > heat sink -- > heat dissipation
The heat dissipation path of fin reduces by 5~10 degree by heat derives, compared to traditional approach capacitance core group highest point temperature, to drop significantly
The low internal temperature of capacitance core group, improves the withstanding current capability of capacitor；
2, the utility model copper sheet is made of a lateral copper sheet and several vertical copper sheets, and the transverse direction copper sheet is arranged described
Between capacitance core group and heat sink, several vertical copper sheets are arranged between two capacitor cores, are arranged such each capacitor
The heat of fuse can effectively export to heat sink, finally travel in air, avoid inside capacitor core due to heat build-up
Fastly, excessively high and cause to burn, extend the service life of the utility model, reduces use cost.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of solid of high current water cooling automobile bus electricity container described in the utility model specific embodiment
Figure；
Fig. 2 is the bottom view of Fig. 1；
Appended drawing reference:
1- capacitor core；
2- heat sink；
21- radiating fin；
3- copper sheet；
31- transverse direction copper sheet；
The vertical copper sheet of 32-.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
As shown in Figure 1, a kind of high current water cooling automobile bus electricity container provided by the utility model, including capacitance core
Group, the capacitance core group are composed in parallel by several capacitor cores 1, and heat sink 2 is provided with below the capacitance core group, described to dissipate
Riveting has copper sheet 3 on hot plate 2.
Further, the heat sink 2 is aluminium alloy water-cooling plate, is met using the excellent heating conduction of aluminium alloy
The cooling requirements for stating capacitance core group, avoid it from burning because of overheat.
Further, the copper sheet 3 is made of a lateral copper sheet 31 and several vertical copper sheets 32, and the transverse direction copper sheet 31 is set
It sets between the capacitance core group and heat sink 2, several vertical copper sheets 32 are arranged between two capacitor cores.
Further, the thickness of the lateral copper sheet 31 is greater than the thickness of the vertical copper sheet 32.
Further, the vertical copper sheet 32 with a thickness of 0.5mm.
Copper sheet using the above structure carries out the conduction of heat, so that the temperature of capacitance core group highest point compares traditional approach
5~10 degree are reduced, capacitance core group internal temperature is thus greatly reduced, improves the withstanding current capability of capacitor.
Further, as shown in Fig. 2, the end face of the heat sink 2 is equipped with several outwardly extending radiating fins 21.
Further, the radiating fin 21 is isosceles trapezoid, and the bottom of the trapezoidal radiating fin 21 is adjacent described scattered
The end face of hot plate 2.The radiating fin 21 of such structure can effectively spill into the heat on heat sink in air, greatly improve
Heat dissipation effect further ensures that the central hot of capacitance core group measures effective export.
When specifically used, the center heat of capacitance core group can pass through capacitor core -- > copper sheet -- > heat sink -- > heat dissipation
Heat derives are compared traditional approach capacitance core group highest point by finite element simulation and verification experimental verification by the heat dissipation path of fin
Temperature reduces by 5~10 degree, thus greatly reduces capacitance core group internal temperature, improves the withstanding current capability of capacitor.It is as follows
Shown in table:
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (7)
1. a kind of high current water cooling automobile bus electricity container, it is characterised in that: including capacitance core group, if the capacitance core group by
Dry capacitor core composes in parallel, and heat sink is provided with below the capacitance core group, and riveting has copper sheet on the heat sink.
2. a kind of high current water cooling automobile bus electricity container according to claim 1, it is characterised in that: the heat sink
For aluminium alloy water-cooling plate.
3. a kind of high current water cooling automobile bus electricity container according to claim 2, it is characterised in that: the copper sheet by
One lateral copper sheet and several vertical copper sheet compositions, the transverse direction copper sheet is arranged between the capacitance core group and heat sink, several
The vertical copper sheet is arranged between two capacitor cores.
4. a kind of high current water cooling automobile bus electricity container according to claim 3, it is characterised in that: the transverse direction copper
The thickness of piece is greater than the thickness of the vertical copper sheet.
5. a kind of high current water cooling automobile bus electricity container according to claim 4, it is characterised in that: the vertical copper
Piece with a thickness of 0.5mm.
6. a kind of high current water cooling automobile bus electricity container according to claim 1-5, it is characterised in that: institute
The end face for stating heat sink is equipped with several outwardly extending radiating fins.
7. a kind of high current water cooling automobile bus electricity container according to claim 6, it is characterised in that: the radiating fin
Piece is isosceles trapezoid, the end face of the adjacent heat sink in the bottom of the trapezoidal radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395903.2U CN209626045U (en) | 2019-03-26 | 2019-03-26 | A kind of high current water cooling automobile bus electricity container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395903.2U CN209626045U (en) | 2019-03-26 | 2019-03-26 | A kind of high current water cooling automobile bus electricity container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209626045U true CN209626045U (en) | 2019-11-12 |
Family
ID=68457862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920395903.2U Active CN209626045U (en) | 2019-03-26 | 2019-03-26 | A kind of high current water cooling automobile bus electricity container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209626045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508708A (en) * | 2020-04-27 | 2020-08-07 | 铜陵市胜达电子科技有限责任公司 | Metallized film capacitor |
-
2019
- 2019-03-26 CN CN201920395903.2U patent/CN209626045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508708A (en) * | 2020-04-27 | 2020-08-07 | 铜陵市胜达电子科技有限责任公司 | Metallized film capacitor |
| CN111508708B (en) * | 2020-04-27 | 2021-12-14 | 铜陵市胜达电子科技有限责任公司 | Metallized film capacitor |
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