CN210628009U - Novel filter inductance box - Google Patents
Novel filter inductance box Download PDFInfo
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- CN210628009U CN210628009U CN201921468800.0U CN201921468800U CN210628009U CN 210628009 U CN210628009 U CN 210628009U CN 201921468800 U CN201921468800 U CN 201921468800U CN 210628009 U CN210628009 U CN 210628009U
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- inductance box
- conductive copper
- cavity
- copper bar
- novel filter
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Abstract
The utility model discloses a novel filter inductance box, which comprises an inductance box shell and a filter assembly; the inductance box shell is provided with a cavity, and a plurality of connecting holes communicated with the cavity are oppositely arranged on the end face of one end of the inductance box shell; the filter assembly is arranged in the cavity and comprises a conductive copper bar, a plurality of magnetic rings and a plug terminal, the conductive copper bar is arranged in the cavity, the magnetic rings are sequentially sleeved on the middle section of the conductive copper bar, the two ends of the conductive copper bar are respectively a plug end and a wiring end, each plug terminal is correspondingly arranged on the plug end of one conductive copper bar, and one end of each plug terminal extends outwards through the inductance box shell and is used for being mounted on the motor controller; the conductive copper bar is correspondingly connected with a positive electrode high-voltage wire bundle and a negative electrode high-voltage wire bundle extending into the cavity or a three-wire of the three-phase alternating current motor through the wiring terminal, so that the electromagnetic interference is weakened through a plurality of magnetic rings on the conductive copper bar. Novel filter inductance box have obvious improvement effect to radiation interference.
Description
Technical Field
The utility model belongs to the technical field of the EMI handles technique and specifically relates to a novel filter inductance box is related to.
Background
At present, with more and more attention paid to new energy automobiles, most automobile enterprises increase the research and development of the new energy automobiles. The national authentication and test standards for the field of Electro-Magnetic Interference (EMI) of new energy automobiles are established, and the main standards are GB/T18655-. The new energy automobile is mainly driven by electric power, but a large electromagnetic wave can be radiated at the connecting part of a positive electrode high-voltage wire harness and a negative electrode high-voltage wire harness of the high-voltage power battery and the motor controller. Therefore, the EMI problem is a bottleneck that restricts the research and development of new energy vehicles, and if the EMI problem is serious, the normal operation of other electronic components on the vehicle is affected, and the driving safety is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can effectively strain the EMI radiation interference of high-voltage battery just, negative pole high-voltage line bunch and the junction of machine controller, ensure the normal work of other electronic parts on the car, guarantee driving safety's novel filter inductance box.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel filter inductance box comprises an inductance box shell and a filter assembly; the inductance box shell is provided with a cavity, and a plurality of connecting holes communicated with the cavity are oppositely arranged on the end face of one end of the inductance box shell; the filter assembly is arranged in the cavity and comprises a conductive copper bar, a plurality of magnetic rings and a plug terminal, the conductive copper bar is arranged in the cavity, the magnetic rings are sequentially sleeved on the middle section of the conductive copper bar, the two ends of the conductive copper bar are respectively a plug end and a wiring end, each plug terminal is correspondingly arranged on the plug end of one conductive copper bar, and one end of each plug terminal extends outwards through the inductance box shell and is used for being mounted on the motor controller; the conductive copper bar is correspondingly connected with a positive electrode high-voltage wire bundle and a negative electrode high-voltage wire bundle extending into the cavity or a three-wire of the three-phase alternating current motor through the wiring terminal, so that the electromagnetic interference is weakened through a plurality of magnetic rings on the conductive copper bar.
As a further technical solution of the utility model: the novel filter inductance box comprises a cover plate, the orifice of the cavity is arranged at the top of the inductance box shell, and the cover plate is arranged at the top of the inductance box shell and used for sealing the orifice of the cavity.
As a further technical solution of the utility model: and a sealing ring is arranged between the cover plate and the top of the inductor box shell, so that waterproof sealing is realized.
As a further technical solution of the utility model: the magnetic ring is a nanocrystalline magnetic ring, a ferrite magnetic ring or an iron powder core magnetic ring.
As a further technical solution of the utility model: the cavity is provided with a wiring fixing seat and an inserting fixing seat relatively and fixedly at the bottom, the wiring fixing seat and the inserting fixing seat are made of insulating materials, the wiring end of each conductive copper bar is arranged on the wiring fixing seat, and the inserting end is arranged on the inserting fixing seat.
As a further technical solution of the utility model: novel filter inductance box is including sealed glue, and sealed glue is located in the cavity, plays sealed, damping, dampproofing effect.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a novel filter inductance box passes through the cooperation between inductance box shell and the filtering subassembly, has effectively solved high-voltage power battery just, negative pole high-voltage line bundle and motor controller's junction and the EMI problem of three-phase alternating current motor and motor controller's junction, has obvious improvement effect to radiation interference.
Drawings
Fig. 1 is a structural diagram of a novel filter inductance box.
Fig. 2 is a first schematic diagram of the novel filter inductor box.
Fig. 3 is a second schematic diagram of the novel filter inductor box.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein is only for purposes of illustration and explanation, and is not intended to limit the scope of the present disclosure.
A novel filter inductance box is installed on a motor controller and used for solving the EMI problem of the connection position of a positive pole high-voltage wire harness and a negative pole high-voltage wire harness of a high-voltage power battery and the motor controller and the connection position of a three-phase alternating current motor and the motor controller.
Referring to fig. 1, 2 and 3, the novel filter inductor box includes an inductor box housing 10 and a filter assembly 20, the inductor box housing 10 has a cavity 101, the inductor box housing 10 is provided with a plurality of connecting holes 11 on an end surface of one end, the connecting holes 11 are connected to the cavity 101, and 2-3 connecting holes 11 are conventionally used for allowing positive and negative high-voltage wire harnesses to pass through the connecting holes 11 and extend into the cavity 101; the filter assembly 20 is arranged in the chamber 101 for suppressing electromagnetic interference, the filter assembly 20 includes a conductive copper bar 21, a plurality of magnetic rings 22 and a plug terminal 23, the conductive copper bar 21 is 2-3 pieces, the conductive copper bar 21 is arranged in the chamber 101, the plurality of magnetic rings 22 are sequentially sleeved on the middle section of the conductive copper bar 21, two ends of the conductive copper bar 21 are a plug end 211 and a terminal end 212 respectively, each plug terminal 23 is correspondingly arranged on the plug end 211 of one conductive copper bar 21, one end of the plug terminal 23 is connected with the plug end 211 of the conductive copper bar 21, the other end of the plug terminal 23 passes through the inductance box shell 10 and extends out for being mounted on the motor controller, the conductive copper bar 21 is correspondingly connected with the positive and negative high-voltage wire bundles extending into the chamber 101 through the terminal end 212 so that current transmitted by the positive and negative high-voltage wire bundles is transmitted from the conductive copper bar 21 to the plug terminal 23 to the motor controller, electromagnetic interference is weakened through a plurality of magnetic rings 22 on the middle section of the conductive copper bar 21, and therefore the problem of EMI at the connection position of the positive and negative pole high-voltage wire harnesses of the high-voltage power battery and the motor controller is solved. It can be understood that the three-phase ac motor extends into the cavity 101 through the connecting hole 11 and is connected to the terminal 212 of the copper busbar 21, so that the electromagnetic interference is reduced by the plurality of magnetic rings 22 on the middle section of the copper busbar 21, and the EMI problem at the connection between the three-phase ac motor and the motor controller is solved.
Further, the novel filter inductor box comprises a cover plate 30, the cavity of the cavity 101 is formed in the top of the inductor box shell 10, and the cover plate 30 is formed in the top of the inductor box shell 10 and used for sealing the cavity of the cavity 101.
Further, a sealing ring 40 is arranged between the cover plate 30 and the top of the inductance box shell 10, so that waterproof sealing is realized.
Further, the magnetic ring 22 is a nanocrystalline magnetic ring, a ferrite magnetic ring or a ferrite core magnetic ring, and has an obvious improvement effect on radiation interference.
Furthermore, the chamber 101 is relatively fixedly provided with a wiring fixing seat 12 and an insertion fixing seat 13 at the bottom, the wiring fixing seat 12 and the insertion fixing seat 13 are made of insulating materials, the wiring end 212 of each conductive copper bar 21 is arranged on the wiring fixing seat 12 and the insertion end 211 is arranged on the insertion fixing seat 13, and when the wiring fixing seat 12 and the insertion fixing seat 13 prevent the conductive copper bars 21 from conveying current, the current is conveyed from the conductive copper bars 21 to the inductance box shell 10, so that the insulating and isolating effects are achieved.
Furthermore, the novel filter inductance box comprises a sealant (not shown), and the sealant is arranged in the cavity 101 to play a role in sealing, vibration reduction and moisture prevention. The method for disposing the sealant into the chamber 101 preferably forms the sealant in the chamber 101 by glue filling.
The utility model relates to a novel mounting means of filter inductance box, as follows: the wiring fixing seat 12 and the plugging fixing seat 13 are relatively and fixedly installed at the bottom of the cavity 101, the plugging terminal 23 is arranged on the plugging fixing seat 13, one end of the plugging terminal 23 penetrates through the plugging fixing seat 13 and extends out of the inductance box shell 10, the plurality of magnetic rings 22 are sleeved on the middle section of the conductive copper bars 21, the wiring end 212 of each conductive copper bar 21 is arranged on the wiring fixing seat 12, and the plugging end 211 is arranged on the plugging fixing seat 13, so that the conductive copper bars 21 are installed in the cavity 101, the plugging end 211 of each conductive copper bar 21 is correspondingly connected with one plugging terminal 23, and therefore the conductive copper bars are installed on the motor controller through the plugging terminal 23; the positive and negative pole high-voltage wire bundles of the high-voltage power battery or the three-phase alternating current motor penetrate through the connecting hole 11 to extend into the cavity 101 and are connected with the wiring end 212 of the conductive copper bar 21; the connecting holes 11 are correspondingly sealed by the positive and negative pole high-voltage wire harnesses or three wires of the three-phase alternating current motor, the sealant is arranged in the cavity 101 in a glue filling mode, and the sealing, vibration reduction and moisture prevention effects are achieved through the sealant; the cover plate 30 is installed on the top of the inductor box housing 10 to close the cavity of the cavity 101, and the sealing ring 40 is disposed between the cover plate 30 and the top of the inductor box housing 10 to achieve waterproof sealing. Thus, the installation of the novel filter inductance box is completed.
To sum up, the utility model relates to a novel filter inductance box passes through the cooperation between inductance box shell 10 and the filtering subassembly 20, has effectively solved high-voltage power battery just, negative pole high-voltage line bundle and motor controller's junction and the EMI problem of three-phase alternating current motor and motor controller's junction, has obvious improvement effect to radiation interference.
As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.
Claims (6)
1. A novel filter inductance box comprises an inductance box shell (10) and a filter assembly (20), and is characterized in that: the inductance box shell (10) is provided with a cavity (101), and a plurality of connecting holes (11) communicated with the cavity (101) are oppositely formed in one end face of the inductance box shell (10); the filter assembly (20) is arranged in the cavity (101), the filter assembly (20) comprises a conductive copper bar (21), a plurality of magnetic rings (22) and a plug-in terminal (23), the conductive copper bar (21) is arranged in the cavity (101), the magnetic rings (22) are sequentially sleeved on the middle section of the conductive copper bar (21), the two ends of the conductive copper bar (21) are respectively provided with a plug-in end (211) and a wiring end (212), each plug-in terminal (23) is correspondingly arranged on the plug-in end (211) of one conductive copper bar (21), and one end of each plug-in terminal (23) penetrates through the inductance box shell (10) and extends outwards for being mounted on the motor controller; the conductive copper bars (21) are correspondingly connected with positive and negative high-voltage wire harnesses extending into the chamber (101) or three wires of a three-phase alternating current motor through the wiring terminals (212), so that electromagnetic interference is weakened through a plurality of magnetic rings (22) on the two conductive copper bars (21).
2. The novel filter inductance box according to claim 1, characterized in that: the novel filter inductance box comprises a cover plate (30), the orifice of the cavity (101) is formed in the top of the inductance box shell (10), and the cover plate (30) is formed in the top of the inductance box shell (10) and used for sealing the orifice of the cavity (101).
3. The novel filter inductance box according to claim 2, characterized in that: and a sealing ring (40) is arranged between the cover plate (30) and the top of the inductance box shell (10) to realize waterproof sealing.
4. The novel filter inductance box according to claim 1, characterized in that: the magnetic ring (22) is a nanocrystalline magnetic ring, a ferrite magnetic ring or a ferrite core magnetic ring.
5. The novel filter inductance box according to claim 1, characterized in that: the cavity (101) is provided with a wiring fixing seat (12) and an inserting fixing seat (13) at the bottom in a relatively fixed mode, the wiring fixing seat (12) and the inserting fixing seat (13) are made of insulating materials, a wiring end (212) of each conductive copper bar (21) is arranged on the wiring fixing seat (12), and an inserting end (211) is arranged on the inserting fixing seat (13).
6. The novel filter inductance box according to claim 1, characterized in that: novel filter inductance box is located cavity (101) including sealed glue, plays sealed, damping, dampproofing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921468800.0U CN210628009U (en) | 2019-09-03 | 2019-09-03 | Novel filter inductance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921468800.0U CN210628009U (en) | 2019-09-03 | 2019-09-03 | Novel filter inductance box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210628009U true CN210628009U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921468800.0U Active CN210628009U (en) | 2019-09-03 | 2019-09-03 | Novel filter inductance box |
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| Country | Link |
|---|---|
| CN (1) | CN210628009U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113451962A (en) * | 2021-06-09 | 2021-09-28 | 东风汽车集团股份有限公司 | Shunting filter box and equipment |
| CN113811168A (en) * | 2020-06-11 | 2021-12-17 | 北京新能源汽车股份有限公司 | Electromagnetic interference filtering device and electric automobile |
| CN115426865A (en) * | 2022-08-22 | 2022-12-02 | 广州国保科技有限公司 | Mobile phone shielding cabinet |
-
2019
- 2019-09-03 CN CN201921468800.0U patent/CN210628009U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113811168A (en) * | 2020-06-11 | 2021-12-17 | 北京新能源汽车股份有限公司 | Electromagnetic interference filtering device and electric automobile |
| CN113811168B (en) * | 2020-06-11 | 2024-02-09 | 北京新能源汽车股份有限公司 | Electromagnetic interference filtering device and electric automobile |
| CN113451962A (en) * | 2021-06-09 | 2021-09-28 | 东风汽车集团股份有限公司 | Shunting filter box and equipment |
| CN115426865A (en) * | 2022-08-22 | 2022-12-02 | 广州国保科技有限公司 | Mobile phone shielding cabinet |
| CN115426865B (en) * | 2022-08-22 | 2023-11-03 | 广州国保科技有限公司 | Mobile phone shielding cabinet |
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