CN209938330U - Electric automobile sound insulation high voltage distribution box - Google Patents
Electric automobile sound insulation high voltage distribution box Download PDFInfo
- Publication number
- CN209938330U CN209938330U CN201920582775.2U CN201920582775U CN209938330U CN 209938330 U CN209938330 U CN 209938330U CN 201920582775 U CN201920582775 U CN 201920582775U CN 209938330 U CN209938330 U CN 209938330U
- Authority
- CN
- China
- Prior art keywords
- distribution box
- voltage distribution
- layer
- relay
- high voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model relates to a sound-insulation high-voltage distribution box for an electric automobile, which comprises a positive relay, a negative relay, a fuse, a thermal relay and a distribution box cover; the high-voltage distribution box gives sound insulation is equipped with first layer board and second layer board, the second layer board sets up the top of first layer board, positive relay and negative pole relay set up on the first layer board, fuse and thermorelay set up on the second layer board, the distribution box cover is equipped with metal skin and soundproof cotton layer. The utility model has the advantages that: the distribution box is covered with the soundproof cotton layer, so that the sound generated by the actuation action of the relay can be absorbed, the noise generated by the high-voltage distribution box is obviously reduced, and the metal outer layer is beneficial to the heat dissipation of the high-voltage distribution box; the device in the high-voltage distribution box adopts double-layer design, reduces the occupied area of the high-voltage distribution box, improves the space utilization rate, effectively reduces the overall size of the high-voltage distribution box, realizes miniaturization, and simultaneously also contributes to the absorption of noise.
Description
Technical Field
The utility model belongs to electric automobile distribution device especially relates to an electric automobile gives sound insulation high voltage distribution box.
Background
At present, new energy automobiles are widely applied, the technology of electric automobiles also becomes the focus of attention of people, and with the improvement of the serial number mileage of electric automobiles, functions are more and more, power systems are more and more complex, and the requirements on the power systems are more and more strict, the power systems of the electric automobiles comprise power batteries, high-voltage distribution boxes, cooling systems, air-conditioning wiring harnesses, chargers, DCDC converters and the like, the power of the controllers and the converters is also more and more increased along with the development of the vehicle technology, the voltage and the current of high voltage controlled by the high-voltage distribution boxes are also more and more increased, and the specifications and the sizes of high-voltage fuses and high-voltage relays in the high-voltage distribution boxes are also correspondingly improved. Along with the change of above electric automobile, various problems appear gradually, because of the increase of specification and the size of high-voltage relay, the sound that its relay during operation is also bigger and bigger, the problem is obvious gradually, because the sound that sends when high-voltage relay inhales can be conducted driver's cabin and vehicle outside, bring bad driving experience for the navigating mate, can directly influence the public praise of vehicle brand, simultaneously, when some national detection and export were examined, also because the sound that sends when high-voltage relay inhales influences the testing score. On the other hand, as the functions of electric vehicles increase, miniaturization design requirements are imposed on high-voltage distribution boxes and other controllers.
Disclosure of Invention
The utility model aims at providing an electric automobile gives sound insulation high voltage distribution box's technical scheme, reduces the noise that high voltage distribution box sent to make high voltage distribution box's compact structure, realize the miniaturization.
In order to realize the purpose, the technical scheme of the utility model is that: a sound-insulation high-voltage distribution box of an electric automobile comprises a positive relay, a negative relay, a fuse, a thermal relay and a distribution box cover; the high voltage distribution box gives sound insulation is equipped with first layer board and second layer board, the second layer board sets up the top of first layer board, positive relay and negative pole relay set up on the first layer board, fuse and thermorelay set up on the second layer board.
Furthermore, for good sound insulation effect, the distribution box cover is provided with a plastic inner layer and a metal outer layer, and a sound insulation cotton layer is arranged between the plastic inner layer and the metal inner layer.
Furthermore, the plastic inner layer is made of PA66, and the metal outer layer is an aluminum alloy metal outer layer.
Further, in order to obtain a good soundproof effect and a good heat dissipation effect, the distribution box cover is provided with a metal outer layer and a soundproof cotton layer disposed inside the metal outer layer.
Furthermore, the metal outer layer is provided with ribs protruding out of the soundproof cotton layer.
Furthermore, the first supporting plate and the second supporting plate are structurally characterized in that the first supporting plate is provided with a supporting column, and the second supporting plate is installed on the supporting column.
Furthermore, the arrangement of the electrical appliance parts further comprises that the first supporting plate is also provided with a current sensor, a high-voltage acquisition terminal and a control input terminal.
Further, for the purpose of optimizing the structure and miniaturization, the box cover is shaped like a trapezoid with a contracted upper end.
The utility model has the advantages that: the distribution box is covered with the soundproof cotton layer, the sound generated by the actuation action of the relay can be absorbed, the noise generated by the high-voltage distribution box is obviously reduced, the plastic inner layer has the functions of insulating an internal high-voltage circuit from the outside and resisting voltage breakdown, and the metal outer layer is beneficial to the heat dissipation of the high-voltage distribution box; the device in the high-voltage distribution box adopts double-layer design, reduces the occupied area of the high-voltage distribution box, improves the space utilization rate, effectively reduces the overall size of the high-voltage distribution box, realizes miniaturization, and simultaneously also contributes to the absorption of noise.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is an external view of the present invention;
fig. 2 is an external view of the present invention, which is a view from direction a of fig. 1;
fig. 3 is a view from direction B of fig. 1, which is a side view of the present invention;
fig. 4 is an internal view of the present invention with the distribution box cover hidden;
fig. 5 is an internal view of the present invention with the second pallet and the fuse and thermal relay hidden;
FIG. 6 is a first pallet structure of the present invention;
fig. 7 is a cross-sectional view taken along line D-D of fig. 3, which is a structural view of the coupling of the distribution box cover, which is a three-layer structure provided with a plastic inner layer, a soundproof cotton layer and a metal inner layer, to the first palette;
fig. 8 is a cross-sectional view taken along line D-D of fig. 3, showing a structure in which a distribution box cover having a double structure provided with an soundproof cotton layer and a metal inner layer is coupled to a first support plate;
fig. 9 is a view in the direction C of fig. 8 showing the rib and soundproof cotton layer structure of the metal outer layer.
Detailed Description
As shown in fig. 1 to 9, an electric automobile sound insulation high voltage distribution box comprises a positive relay 11, a negative relay 12, a fuse 13, a thermal relay 14 and a distribution box cover 20; the high voltage distribution box gives sound insulation is equipped with first layer board 30 and second layer board 40, the second layer board sets up the top of first layer board, positive pole relay and negative pole relay set up on the first layer board, fuse and thermorelay set up on the second layer board.
As shown in fig. 7, a distribution box cover has a structure in which a plastic inner layer 21 and a metal outer layer 22 are provided, and a soundproof cotton layer 23 is provided between the plastic inner layer and the metal inner layer.
The plastic inner layer is made of PA66, and the metal outer layer is an aluminum alloy metal outer layer.
As shown in fig. 8 and 9, another distribution box cover has a structure in which a metal outer layer 22 and an soundproof cotton layer 23 are provided inside the metal outer layer.
The metal outer layer is provided with ribs 24 protruding out of the soundproof cotton layer.
The first pallet is provided with a support column 31 and the second pallet is mounted on the support column.
The first supporting plate is also provided with a current sensor 15, a high-voltage acquisition terminal 16 and a control input terminal 17.
The distribution box cover is in a trapezoidal shape with the upper end contracted.
The first embodiment is as follows:
referring to fig. 1 to 7, a soundproof high voltage distribution box for an electric vehicle is provided with a box cover 20, a first support plate 30 and a second support plate 40.
The first supporting plate is provided with a positive relay 11, a negative relay 12, a current sensor 15, a high-voltage acquisition terminal 16 and a control input terminal 17.
The second layer board sets up in the top of first layer board, and four only support columns 31 have been put to first layer board, and the second layer board is installed on the support column.
A fuse 13 and a thermal relay 14 are provided on the second pallet.
The box cover is mounted on the first support plate by means of screws 25 and is provided with a locking spring washer 26. The distribution box covers the second supporting plate and all electrical components (including a positive relay, a negative relay, a current sensor, a high-voltage acquisition terminal, a control input terminal, a fuse and a thermal relay).
In this embodiment, the distribution box cover has a three-layer structure, and is provided with a plastic inner layer 21 and a metal outer layer 22, and a soundproof cotton layer 23 is provided between the plastic inner layer and the metal inner layer. The inner plastic layer is made of PA66 and contains glass fiber. The metal outer layer is made of aluminum alloy. The plastic inner layer is close to internal electrical components, plays the functions of insulating an internal high-voltage circuit from the outside and resisting voltage breakdown, and also has a certain sound absorption effect. The soundproof cotton layer is soundproof cotton, and its soundproof principle does: the relay actuation action produces sound, and the sound wave is through air transmission value soundproof cotton, and soundproof cotton is the multifilament structure, and the sound wave is through the reflection of numerous fibre, mutual stack, collision, and the sound wave energy converts heat energy, and the sound wave intensity weakens or disappears. The metal outer layer can absorb the heat that the soundproof cotton changes and the heat that components and parts produced behind the heavy current in the high voltage distribution box to conduct the heat outside the high voltage distribution box, taken away by the air, keep the heat-sinking capability of high voltage distribution box.
In this embodiment, a double-layer arrangement structure of electrical components is adopted, and the shape of the distribution box cover is a trapezoid with a contracted upper end corresponding to the electrical components, the first support plate and the second support plate, as shown in fig. 3. The structure can reduce the occupied area of the high-voltage distribution box and improve the space utilization rate. The whole size of high voltage distribution box has effectually been reduced, realizes the miniaturization, also helps the absorption to the noise simultaneously.
Example two:
the embodiment is a structural replacement of the first embodiment.
As shown in fig. 5 and 6, in the present embodiment, the box cover 20 is provided with a metal outer layer 22 and an acoustic cotton layer 23.
The soundproof cotton layer is arranged on the inner side of the metal outer layer.
The distribution box cover of this embodiment has better heat conduction and heat dissipation function.
Claims (8)
1. A sound-insulation high-voltage distribution box of an electric automobile comprises a positive relay, a negative relay, a fuse, a thermal relay and a distribution box cover; the high-voltage distribution box with the sound insulation function is characterized in that the high-voltage distribution box with the sound insulation function is provided with a first supporting plate and a second supporting plate, the second supporting plate is arranged above the first supporting plate, the positive relay and the negative relay are arranged on the first supporting plate, and the fuse and the thermal relay are arranged on the second supporting plate.
2. The soundproof high voltage distribution box for electric vehicle according to claim 1, wherein said distribution box cover is provided with an inner layer of plastic and an outer layer of metal, and a layer of soundproof cotton is provided between said inner layer of plastic and said inner layer of metal.
3. The soundproof high voltage distribution box according to claim 2, wherein said plastic inner layer is a plastic inner layer of PA66, and said metal outer layer is an aluminum alloy metal outer layer.
4. The soundproof high voltage distribution box for electric vehicle according to claim 1, wherein said distribution box cover is provided with a metal outer layer and a soundproof cotton layer, said soundproof cotton layer being provided inside said metal outer layer.
5. The soundproof high voltage distribution box for electric vehicle according to claim 4, wherein said metal outer layer is provided with ribs protruding from said soundproof cotton layer.
6. The soundproof high voltage distribution box according to claim 1, wherein said first support plate is provided with a support pillar, and said second support plate is mounted on said support pillar.
7. The soundproof high voltage distribution box for electric vehicle according to claim 1, wherein said first support plate further has a current sensor, a high voltage collecting terminal and a control input terminal.
8. The soundproof high voltage distribution box for electric vehicle according to claim 1, wherein said box cover is in the shape of a trapezoid whose upper end is contracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582775.2U CN209938330U (en) | 2019-04-26 | 2019-04-26 | Electric automobile sound insulation high voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582775.2U CN209938330U (en) | 2019-04-26 | 2019-04-26 | Electric automobile sound insulation high voltage distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209938330U true CN209938330U (en) | 2020-01-14 |
Family
ID=69130073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920582775.2U Active CN209938330U (en) | 2019-04-26 | 2019-04-26 | Electric automobile sound insulation high voltage distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209938330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919431A (en) * | 2022-05-23 | 2022-08-19 | 东风柳州汽车有限公司 | Automobile battery distribution box and automobile power battery pack |
-
2019
- 2019-04-26 CN CN201920582775.2U patent/CN209938330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919431A (en) * | 2022-05-23 | 2022-08-19 | 东风柳州汽车有限公司 | Automobile battery distribution box and automobile power battery pack |
| CN114919431B (en) * | 2022-05-23 | 2024-03-22 | 东风柳州汽车有限公司 | Automobile battery distribution box and automobile power battery pack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1281581B1 (en) | Electrical distribution box for vehicles having two networks with different voltage levels and vehicle with such an electrical distribution box | |
| US7764042B2 (en) | Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the same | |
| Kitazawa et al. | Development of power control unit for compact-class vehicle | |
| CN209938330U (en) | Electric automobile sound insulation high voltage distribution box | |
| CN209441315U (en) | A kind of new-energy automobile five in one controller | |
| CN202931226U (en) | IGBT current transformer module | |
| CN103475236A (en) | Tractive current transformer | |
| CN203713592U (en) | Electric vehicle control system | |
| CN109600052A (en) | The vehicle-mounted construction of power converter | |
| CN207868074U (en) | The thin film capacitor for electric vehicle of integrated EMC schemes | |
| CN205681760U (en) | A kind of with the vehicle control unit of electric vehicle increasing Cheng Gongneng | |
| CN201590760U (en) | DC/DC power converter | |
| CN114301262A (en) | High voltage platform and its motor controller | |
| JP2022014897A (en) | Vehicles with driving battery systems and electric drives for vehicles | |
| CN204055410U (en) | Overhead type braking resistor and vehicle | |
| CN101388386B (en) | Automotive power inverter with reduced capacitive coupling | |
| CN203387414U (en) | Traction converter device | |
| CN105083166A (en) | Integrated type power control unit for electric vehicle | |
| CN201878467U (en) | Controller structure of electromobile | |
| CN201608639U (en) | DCDC converter output terminal sealing and protecting structure used for hybrid cars | |
| CN202264648U (en) | Novel AC (alternating current)/solar charging railway motor car | |
| CN209299173U (en) | A kind of medium-and low-speed maglev train traction current transformer | |
| CN212064722U (en) | Motor controller and vehicle | |
| JP3761966B2 (en) | Electric vehicle power system | |
| CN114701342A (en) | Electric drive system and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |