CN214155208U - Novel semiconductor refrigeration EMC wave filter - Google Patents
Novel semiconductor refrigeration EMC wave filter Download PDFInfo
- Publication number
- CN214155208U CN214155208U CN202120012014.0U CN202120012014U CN214155208U CN 214155208 U CN214155208 U CN 214155208U CN 202120012014 U CN202120012014 U CN 202120012014U CN 214155208 U CN214155208 U CN 214155208U
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- semiconductor refrigeration
- emc filter
- emc
- wave filter
- copper bar
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Abstract
The utility model provides a novel semiconductor refrigeration EMC wave filter, include: EMC wave filter, be provided with the copper bar on the EMC wave filter, the positive negative pole of copper bar is provided with the semiconductor refrigeration piece respectively, the cold junction of semiconductor refrigeration piece is fixed in the copper bar, the hot junction of semiconductor refrigeration piece is connected in heat conduction fin, moreover, the steam generator is simple in structure, the modern design, semiconductor refrigeration piece and EMC wave filter are convenient for install, and can and the vehicle between interact, take away the heat that EMC wave filter work produced from the region that generates heat fast, realize carrying out radiating purpose to the EMC wave filter, the practicality is excellent.
Description
Technical Field
The utility model relates to a wave filter technical field especially relates to a novel semiconductor refrigeration EMC wave filter.
Background
With the continuous development of the society, the pure electric vehicles increasingly enter our lives, meanwhile, the requirements of the market on the power of the pure electric vehicles are improved, the electric driving power is correspondingly increased, and the harmonic wave absorbed by the EMC filter is greatly increased. For an electric drive system of 450Vdc, 300A, the temperature rise of the EMC filter will reach more than 150 degrees, and the highest point of temperature is found by simulation to be concentrated on the input and output copper busbars of the filter. The copper busbar is a communication position of the filter and electrically driven other electronic components, and heat can be transferred to other components, such as a capacitor, through the copper busbar. The conventional natural heat dissipation cannot take away a large amount of heat; the section is used for heat dissipation, and the working temperature cannot be reduced rapidly due to the high temperature rise speed; and because of the space reason in the electricity drives the module, the section bar can't leave the area that generates heat with the heat fast, exists not enoughly.
Therefore, there is a need to design a new type of semiconductor cooling EMC filter to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel semiconductor refrigeration EMC wave filter to reach quick radiating purpose.
The utility model discloses a solve the technical scheme that its technical problem adopted and be:
a novel semiconductor refrigeration EMC filter includes: the EMC wave filter is provided with the copper bar on, the positive negative pole of copper bar is provided with the semiconductor refrigeration piece respectively, and the cold junction of semiconductor refrigeration piece is fixed in the copper bar, and the hot junction of semiconductor refrigeration piece is connected in heat conduction fin.
Further, the EMC filter adopts a direct current EMC filter.
Further, the copper bar includes female arranging of inlet wire copper, the female arranging of outlet wire copper, and one side branch of EMC wave filter is listed as inlet wire copper and is female arranging, and the opposite side branch of EMC wave filter is listed as the outlet wire copper and is female arranging.
Furthermore, each copper bar is provided with a temperature detection point.
Further, the semiconductor refrigeration piece is connected with a vehicle controller.
Furthermore, the near end of each copper bar is provided with 1 semiconductor refrigerating piece.
Furthermore, the surface of the EMC filter is provided with a fixing hole.
Further, the heat conductive fin is positioned higher than the top of the EMC filter.
Further, the temperature detection point adopts a resistance type temperature sensor.
The utility model has the advantages that: simple structure, the modern design, semiconductor refrigeration piece and EMC wave filter are convenient for install, and can and the vehicle between interact, take the heat that EMC wave filter work produced fast away from the region that generates heat, realize carrying out radiating purpose to the EMC wave filter, the practicality is excellent.
Drawings
FIG. 1 is a side view of the present invention;
fig. 2 is a top view of the present invention;
100-EMC filter, 110-semiconductor refrigeration piece, 120-wire inlet copper busbar, 130-fixing hole site, 140-wire outlet copper busbar, 150-heat conducting fin, 160-temperature detection point and 170-copper bar.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.
As shown in fig. 1, a novel semiconductor refrigeration EMC filter includes: the EMC filter 100 is provided with the copper bar 170 on the EMC filter 100, and the positive negative pole of copper bar 170 is provided with semiconductor refrigeration piece 110 respectively, and the cold junction of semiconductor refrigeration piece 110 is fixed in copper bar 170, and the hot junction of semiconductor refrigeration piece 110 is connected in heat conduction fin 150.
The EMC filter 100 adopts a direct current EMC filter, the copper bar 170 includes a line incoming copper bar 120 and a line outgoing copper bar 140, one side of the EMC filter 100 is divided into the line incoming copper bar 120, the other side of the EMC filter 100 is divided into the line outgoing copper bar 140, a heat source can be dispersed, and the surface of the EMC filter 100 is provided with the fixing hole 130.
In addition, each copper bar 170 is provided with a temperature detection point 160, the semiconductor refrigeration piece 110 is connected with a vehicle controller, and the temperature detection point 160 adopts a resistance type temperature sensor. The temperature detection point 160 controls the input voltage of the semiconductor refrigeration piece by the vehicle system through collecting the real-time temperature of the copper bar, and adjusts the temperature of the refrigeration piece.
The near end of each copper bar 170 is provided with 1 semiconductor refrigeration piece 110.
The heat-conducting fins 150 are positioned above the top of the EMC filter 100, directing heat up to the aluminum cover plate of the electric drive module.
The utility model discloses in the EMC wave filter was fixed in vehicle electricity drive module through fixed hole site, the female row of inlet wire copper was listed in EMC wave filter both sides with the female branch of arranging of outlet wire copper. All install the semiconductor refrigeration piece on every copper bar of both sides, the cold junction and the copper bar laminating of semiconductor refrigeration piece take away the heat source with the heat that the wave filter produced fast, the hot junction and the laminating of heat conduction fin of semiconductor refrigeration piece, and the effectual heat transmission of heat conduction fin to aluminium system apron.
As shown in fig. 2, the temperature detection point of the copper bar is located between the positive and negative copper bars on both sides, the resistance type temperature sensor is used for converting the temperature signal into a resistance value analog signal and transmitting the resistance value analog signal to the vehicle control system, and the vehicle control system controls the input voltage of the semiconductor refrigeration piece according to the transmitted real-time temperature, so that the purpose of accurately controlling the temperature of the filter copper bar is achieved.
The utility model has the advantages that: simple structure, the modern design, semiconductor refrigeration piece and EMC wave filter are convenient for install, and can and the vehicle between interact, take the heat that EMC wave filter work produced fast away from the region that generates heat, realize carrying out radiating purpose to the EMC wave filter, the practicality is excellent.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to let the technical personnel in the field understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (9)
1. A novel semiconductor refrigeration EMC filter includes: the EMC wave filter is provided with the copper bar on, its characterized in that, the positive negative pole of copper bar is provided with the semiconductor refrigeration piece respectively, and the cold junction of semiconductor refrigeration piece is fixed in the copper bar, and the hot junction of semiconductor refrigeration piece is connected in heat conduction fin.
2. A novel semiconductor refrigeration EMC filter according to claim 1, characterized in that the EMC filter is a dc EMC filter.
3. The novel semiconductor refrigeration EMC filter of claim 1, wherein the copper bars comprise incoming copper bars and outgoing copper bars, one side of the EMC filter is divided into the incoming copper bars, and the other side of the EMC filter is divided into the outgoing copper bars.
4. A novel semiconductor refrigeration EMC filter as claimed in claim 1, wherein each copper bar is provided with a temperature detection point.
5. The novel semiconductor refrigeration EMC filter of claim 1, wherein the semiconductor refrigeration chip is connected with a vehicle controller.
6. The novel semiconductor refrigeration EMC filter of claim 1, wherein 1 semiconductor refrigeration chip is arranged at the near end of each copper bar.
7. A novel semiconductor refrigeration EMC filter as claimed in claim 1, wherein the surface of the EMC filter is provided with fixing holes.
8. A novel semiconductor refrigeration EMC filter according to claim 1, characterized in that the heat conducting fins are located higher than the top of the EMC filter.
9. A novel semiconductor refrigeration EMC filter as claimed in claim 4, wherein said temperature detection point uses a resistance type temperature sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120012014.0U CN214155208U (en) | 2021-01-05 | 2021-01-05 | Novel semiconductor refrigeration EMC wave filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120012014.0U CN214155208U (en) | 2021-01-05 | 2021-01-05 | Novel semiconductor refrigeration EMC wave filter |
Publications (1)
Publication Number | Publication Date |
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CN214155208U true CN214155208U (en) | 2021-09-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120012014.0U Active CN214155208U (en) | 2021-01-05 | 2021-01-05 | Novel semiconductor refrigeration EMC wave filter |
Country Status (1)
Country | Link |
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CN (1) | CN214155208U (en) |
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2021
- 2021-01-05 CN CN202120012014.0U patent/CN214155208U/en active Active
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