CN110783757B - Sealing protection flexible connection structure capable of shielding electromagnetic radiation - Google Patents
Sealing protection flexible connection structure capable of shielding electromagnetic radiation Download PDFInfo
- Publication number
- CN110783757B CN110783757B CN201910764990.9A CN201910764990A CN110783757B CN 110783757 B CN110783757 B CN 110783757B CN 201910764990 A CN201910764990 A CN 201910764990A CN 110783757 B CN110783757 B CN 110783757B
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- Prior art keywords
- sealing
- pressing sleeve
- shell
- electromagnetic radiation
- sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a sealing protection flexible connection structure capable of shielding electromagnetic radiation, which comprises an upper sealing pressing sleeve connected with an upper shell and a lower sealing pressing sleeve connected with a lower shell, wherein the upper sealing pressing sleeve and the lower sealing pressing sleeve are provided with communicated central holes, a sealing sheath is arranged in the central hole, a conductive sealing ring surrounding the sealing sheath is arranged between the upper sealing pressing sleeve and the lower sealing pressing sleeve, a three-phase cable is arranged in the sealing sheath, one end of the three-phase cable is introduced into the upper shell, the other end of the three-phase cable is introduced into the lower shell, and the end part of the sealing sheath is in sealing fit with the upper shell and the lower shell. The invention aims to provide a sealing protection flexible connecting structure which can shield electromagnetic radiation and realize the sealing performance and low electromagnetic radiation performance of a connecting part of a motor and a motor controller.
Description
Technical Field
The invention belongs to the field of electric drive power assemblies, and particularly relates to a sealing protection flexible connecting structure capable of shielding electromagnetic radiation.
Background
With the increasing popularization of electric vehicles, the national requirements on the safety of the electric vehicles are also increasing. The safety of the electric actuator is not only reflected in the traditional concerns of mechanical structure safety, battery safety and the like, but also reflected in the aspect of harm of electromagnetic radiation to human bodies. The electric drive assembly is used as a core technology of a new energy automobile, the integration and high power density are gradually developed, the current and voltage of a drive motor are also gradually improved, and the electric connection part of the motor and a controller has high requirements on insulation performance and safety and sealing performance, is easy to emit electromagnetic radiation, and is a position needing important protection. At present, if a motor and a controller adopt a rigid connection structure of a metal part, the vibration prevention effect of the controller is poor, and the reliability of electronic components is reduced; if the three-phase wire harness with the electromagnetic shielding function is used for the wire throwing connection, the cost is high and the structure is not compact; if the rubber flexible connection structure is adopted, the problems of electromagnetic radiation and the like cannot be effectively prevented.
Disclosure of Invention
The invention provides a sealing protection flexible connection structure which can shield electromagnetic radiation and realize the sealing performance and low electromagnetic radiation performance of a connection part of a motor and a motor controller, aiming at overcoming the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a but shielding electromagnetic radiation's sealed protection flexible connection structure, includes the last sealed pressure cover of being connected with last casing and the lower sealed pressure cover of being connected with lower casing, the last sealed pressure cover is equipped with the centre bore of intercommunication with lower sealed pressure cover, be equipped with sealed sheath in the centre bore, be equipped with the electrically conductive sealing washer around sealed sheath between last sealed pressure cover and the lower sealed pressure cover, be equipped with the three-phase cable in the sealed sheath, in the one end of three-phase cable lets in the upper casing, the other end of three-phase cable lets in the inferior valve internal, the tip and the last casing of sealed sheath and the sealed cooperation of inferior valve casing. Like this, it presses the cover to be located the sealed sheath outside with lower seal to go up sealed pressure cover, it presses the cover to be connected with last casing to go up sealed, guarantee the electromagnetic shield between connection structure and the controller, lower seal presses the cover and is connected with lower casing, guarantee the electromagnetic shield between connection structure and the motor, it has electrically conductive sealing washer to go up sealed pressure cover and press down to press between the cover, it presses the electromagnetic shield effect of cover juncture with lower seal to guarantee to go up sealed pressure cover, it does not have rigid connection to press between cover and the lower seal to go up sealed pressure cover simultaneously, can realize relative activity. The three-phase cable is positioned in the sealing sheath, and the sealing sheath is respectively connected with the upper shell and the lower shell in a sealing way, so that the sealing protection performance of the electric connection part between the motor and the controller is ensured.
Preferably, the end part of the upper sealing pressing sleeve, which is close to the upper shell, extends horizontally to form an upper connecting table, and the upper connecting table is connected with the upper shell through an upper fixing screw.
Preferably, one end of the sealing sheath close to the upper shell extends horizontally to form an upper sealing layer, and the upper sealing layer is positioned between the upper shell and the upper connecting platform.
Preferably, an upper stepped groove is formed in the inner side of the upper connecting platform, and the upper sealing layer extends into the upper stepped groove.
Preferably, the end part of the lower sealing pressing sleeve, which is close to the lower shell, extends horizontally to form a lower connecting table, and the lower connecting table is connected with the lower shell through a lower fixing screw.
Preferably, one end of the sealing sheath close to the lower shell extends horizontally to form a lower sealing layer, and the lower sealing layer is located between the lower shell and the lower connecting platform.
Preferably, a lower stepped groove is formed in the inner side of the lower connecting platform, and the lower sealing layer extends into the lower stepped groove.
Preferably, at least one of the adjacent surfaces of the upper sealing pressing sleeve and the lower sealing pressing sleeve is provided with a sealing groove for positioning the conductive sealing ring.
Preferably, an interlayer is arranged inside the sealing sheath, and the interlayer is provided with a through hole for the three-phase cable to pass through.
The invention has the beneficial effects that: (1) the upper sealing pressing sleeve and the lower sealing pressing sleeve can move relatively while being connected with the corresponding shells, so that the flexible function of the connecting part is realized; (2) the sealing effect is ensured between the upper sealing pressing sleeve and the lower sealing pressing sleeve and between the three-phase wire harness through the sealing sheath, and the IP 67-grade sealing protection performance of the electric connection part between the motor and the controller is realized; (3) the upper shell is tightly attached to the upper sealing pressing sleeve, the lower shell is tightly attached to the lower sealing pressing sleeve, the upper sealing pressing sleeve and the lower sealing pressing sleeve are provided with the conductive sealing rings, the upper sealing pressing sleeve and the lower sealing pressing sleeve have certain movement, and the electromagnetic shielding performance of an electric connection position between the motor and the controller is guaranteed.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
In the figure: go up casing 1, go up sealed pressure cover 2, go up connection platform 2a, go up ladder groove 2b, lower sealed pressure cover 3, connect platform 3a down, lower ladder groove 3b, lower set screw 4, three-phase cable 5, casing 6 down, sealed sheath 7, interlayer 7a, go up sealing layer 7b, lower sealing layer 7c, through-hole 71, electrically conductive sealing washer 8, go up set screw 9.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
In the embodiment shown in fig. 1, a sealed and protected flexible connection structure capable of shielding electromagnetic radiation includes an upper sealed pressing sleeve 2 connected to an upper housing 1 and a lower sealed pressing sleeve 3 connected to a lower housing 6, where the upper housing 1 is an outer housing of a controller and the lower housing 6 is an outer housing of a motor. The end part of the upper sealing pressing sleeve 2 close to the upper shell 1 extends horizontally to form an upper connecting platform 2a, and the upper connecting platform 2a is connected with the upper shell 1 through an upper fixing screw 9. The end part of the lower sealing pressing sleeve 3 close to the lower shell 6 extends horizontally to form a lower connecting platform 3a, and the lower connecting platform 3a is connected with the lower shell 6 through a lower fixing screw 4. The upper sealing pressure sleeve 2 and the lower sealing pressure sleeve 3 are made of metal, or the outer surfaces of the upper sealing pressure sleeve 2 and the lower sealing pressure sleeve 3 are covered with a metal electromagnetic shielding layer, and after the upper sealing pressure sleeve 2 is connected with the upper shell 1 and the lower sealing pressure sleeve 3 is connected with the lower shell 6, the upper sealing pressure sleeve 2 and the upper shell 1 and the lower sealing pressure sleeve 3 and the lower shell 6 are tightly attached to realize electromagnetic shielding.
A conductive sealing ring 8 surrounding the sealing sheath 7 is arranged between the upper sealing pressure sleeve 2 and the lower sealing pressure sleeve 3, and at least one of the adjacent surfaces of the upper sealing pressure sleeve 2 and the lower sealing pressure sleeve 3 is provided with a sealing groove for positioning the conductive sealing ring 8. In this embodiment, a sealing groove is formed on the adjacent surface of the upper end of the lower sealing pressing sleeve 3 and the upper sealing pressing sleeve 2, the conductive sealing ring 8 is positioned in the sealing groove, and meanwhile, the upper sealing pressing sleeve 2 is tightly matched with the conductive sealing ring 8. In addition, the seal groove also can set up and press cover 2 at last sealed, perhaps press cover 2 and press cover 3 with lower sealed and all set up the seal groove, realize the location to conductive seal circle 8, conductive seal circle 8 has certain elasticity simultaneously, and upward sealed press cover 2 and press and do not have rigid connection between the cover 3 down, and both have certain home range.
Go up sealed pressure cover 2 and press the centre bore that the cover 3 was equipped with the intercommunication with lower seal, be equipped with sealed sheath 7 in the centre bore, be equipped with three-phase cable 5 in the sealed sheath 7, in the casing 1 was let in to the one end of three-phase cable 5, the other end of three-phase cable 5 let in under in the casing 6. Go up sealed pressure cover 2 and press cover 3 with lower seal and can play the guard action to inside sealed sheath 7 and three-phase cable 5 for flexible connection structure prevents that the destruction can greatly promote, fully guarantees the electric security performance of electricity driving assembly.
Sealing sheath 7 adopts rubber to make, sealing sheath 7 is close to the one end of last casing 1 and extends to the level and form upper seal layer 7b, the inboard of going up connection platform 2a is equipped with ladder groove 2b, upper seal layer 7b stretches into supreme ladder groove 2b in, upper seal layer 7b is located casing 1 and last connection platform 2a between, when last fixed screw 9 with last casing 1 with last connection platform 2a fastening, go up casing 1 and last connection platform 2a and fix upper seal layer 7b between the two, guarantee the sealed effect between casing 1 and the last connection platform 2 a. One end of the sealing sheath 7 close to the lower shell 6 extends horizontally to form a lower sealing layer 7c, a lower stepped groove 3b is formed in the inner side of the lower connecting platform 3a, the lower sealing layer 7c extends into the lower stepped groove 3b, the lower sealing layer 7c is located between the lower shell 6 and the lower connecting platform 3a, when the lower fixing screw 4 fastens the lower shell 6 and the lower connecting platform 3a, the lower shell 6 and the lower connecting platform 3a fix the lower sealing layer 7c between the lower shell 6 and the lower connecting platform 3a, and the sealing effect between the lower shell 6 and the lower connecting platform 3a is guaranteed. The end part of the sealing sheath 7 is in sealing fit with the upper shell 1 and the lower shell 6, and the IP 67-grade sealing protection performance of the electric connection part between the motor and the controller is realized. In addition, the inside of sealed sheath 7 is equipped with interlayer 7a, and interlayer 7a is equipped with the through-hole 71 that supplies three-phase cable 5 to pass, and through-hole 71 can be fixed a position three-phase cable 5 inlet wire, reduces three-phase cable 5 and rocks in sealed sheath 7.
In the actual installation process, the three-phase cable 5 passes through the inside of the sealing sheath 7, the sealing sheath 7 is arranged outside the three-phase cable 5, the upper sealing pressure sleeve 2 and the lower sealing pressure sleeve 3 are sleeved outside the sealing sheath 7, the upper sealing layer 7b at the upper end of the sealing sheath 7 is positioned in the upper stepped groove 2b, the upper sealing layer 7b is clamped when the upper connecting platform 2a of the upper sealing pressure sleeve 2 is connected with the upper shell 1 through the upper fixing screw 9, and therefore sealing is kept between the upper sealing pressure sleeve 2 and the upper shell 1. The lower sealing layer 7c at the lower end of the sealing sheath 7 is positioned into the lower stepped groove 3b, and the lower sealing layer 7c is clamped when the lower connecting table 3a of the lower sealing press sleeve 3 is connected with the lower shell 6 through the lower fixing screw 4, so that sealing is kept between the lower sealing press sleeve 3 and the lower shell 6. Meanwhile, the conductive sealing ring 8 is arranged between the upper sealing pressing sleeve 2 and the lower sealing pressing sleeve 3, and the upper sealing pressing sleeve 2 and the lower sealing pressing sleeve 3 tightly press the conductive sealing ring 8.
Claims (8)
1. A sealing protection flexible connection structure capable of shielding electromagnetic radiation is characterized by comprising an upper sealing pressing sleeve (2) connected with an upper shell (1) and a lower sealing pressing sleeve (3) connected with a lower shell (6), wherein the upper sealing pressing sleeve (2) and the lower sealing pressing sleeve (3) are provided with a central hole communicated with each other, a sealing sheath (7) is arranged in the central hole, a conductive sealing ring (8) surrounding the sealing sheath (7) is arranged between the upper sealing pressing sleeve (2) and the lower sealing pressing sleeve (3), a three-phase cable (5) is arranged in the sealing sheath (7), one end of the three-phase cable (5) is introduced into the upper shell (1), the other end of the three-phase cable (5) is introduced into the lower shell (6), the end part of the sealing sheath (7) is in sealing fit with the upper shell (1) and the lower shell (6), the end part, close to the upper shell (1), of the upper sealing pressing sleeve (2) extends horizontally to form an upper connection platform (2 a), the upper connecting platform (2 a) is connected with the upper shell (1) through an upper fixing screw (9).
2. The flexible connection structure capable of shielding electromagnetic radiation and sealing protection as claimed in claim 1, wherein the end of the sealing sheath (7) close to the upper shell (1) extends horizontally to form an upper sealing layer (7 b), and the upper sealing layer (7 b) is located between the upper shell (1) and the upper connection platform (2 a).
3. The flexible connection structure capable of shielding electromagnetic radiation and being sealed and protected as claimed in claim 2, wherein the upper connection platform (2 a) is provided at an inner side thereof with an upper stepped groove (2 b), and the upper sealing layer (7 b) extends into the upper stepped groove (2 b).
4. The flexible connection structure capable of shielding electromagnetic radiation and protecting seal according to claim 1, wherein the end of the lower seal pressing sleeve (3) close to the lower shell (6) extends horizontally to form a lower connection platform (3 a), and the lower connection platform (3 a) is connected with the lower shell (6) through a lower fixing screw (4).
5. The flexible connection structure capable of shielding electromagnetic radiation according to claim 4, wherein the end of the sealing sheath (7) close to the lower shell (6) extends horizontally to form a lower sealing layer (7 c), and the lower sealing layer (7 c) is located between the lower shell (6) and the lower connection platform (3 a).
6. The flexible connection structure capable of shielding electromagnetic radiation and sealing protection as claimed in claim 5, wherein the lower connection platform (3 a) is provided with a lower stepped groove (3 b) at the inner side, and the lower sealing layer (7 c) extends into the lower stepped groove (3 b).
7. The flexible connection structure capable of shielding electromagnetic radiation and protecting seal according to claim 1, wherein at least one of the adjacent surfaces of the upper seal pressing sleeve (2) and the lower seal pressing sleeve (3) is provided with a seal groove for positioning the conductive seal ring (8).
8. The flexible connection structure capable of shielding electromagnetic radiation according to claim 1, wherein the sealing sheath (7) is provided with a partition (7 a), and the partition (7 a) is provided with a through hole (71) for the three-phase cable (5) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764990.9A CN110783757B (en) | 2019-08-19 | 2019-08-19 | Sealing protection flexible connection structure capable of shielding electromagnetic radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764990.9A CN110783757B (en) | 2019-08-19 | 2019-08-19 | Sealing protection flexible connection structure capable of shielding electromagnetic radiation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110783757A CN110783757A (en) | 2020-02-11 |
| CN110783757B true CN110783757B (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910764990.9A Active CN110783757B (en) | 2019-08-19 | 2019-08-19 | Sealing protection flexible connection structure capable of shielding electromagnetic radiation |
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| CN (1) | CN110783757B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002260773A (en) * | 2001-02-28 | 2002-09-13 | Auto Network Gijutsu Kenkyusho:Kk | Waterproof shield connector |
| CN1767274A (en) * | 2005-09-24 | 2006-05-03 | 乐清市金峰引进电器制造有限公司 | Plug and socket connector and coupler for industry |
| CN102683992A (en) * | 2012-05-17 | 2012-09-19 | 遵义精星航天电器有限责任公司 | Sealed mini-type rectangular electric connector |
| CN208045848U (en) * | 2018-03-23 | 2018-11-02 | 东莞市毅林电线科技有限公司 | A kind of novel shielding structure of HDMI connector |
| CN208923467U (en) * | 2018-10-30 | 2019-05-31 | 杭州康森电子科技有限公司 | A kind of water-proof wire bundle |
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2019
- 2019-08-19 CN CN201910764990.9A patent/CN110783757B/en active Active
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| CN110783757A (en) | 2020-02-11 |
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Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |