CN218918473U - Anti-magnetic sealing wire harness, power assembly and vehicle - Google Patents
Anti-magnetic sealing wire harness, power assembly and vehicle Download PDFInfo
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- CN218918473U CN218918473U CN202121182619.0U CN202121182619U CN218918473U CN 218918473 U CN218918473 U CN 218918473U CN 202121182619 U CN202121182619 U CN 202121182619U CN 218918473 U CN218918473 U CN 218918473U
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- motor
- controller
- seal
- spacer
- wire harness
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Abstract
The utility model relates to an electric connection device, and particularly discloses an anti-magnetic sealing wire harness, a power assembly and a vehicle, wherein the anti-magnetic sealing wire harness comprises a wire harness body (11), and two ends of the wire harness body (11) are respectively provided with a motor connection end and a motor controller connection end; the wire harness body comprises a plurality of wires covered with an insulating layer, and the wires are wrapped in an electromagnetic shielding layer (112); the motor connecting end is provided with a motor electric connecting port and a motor end isolation piece (13), and a motor sealing piece installation matching part for installing a motor end sealing piece (14) between the motor end isolation piece and the motor shell is arranged on the motor end isolation piece; the motor controller connecting end is provided with a motor controller electric connecting port and a controller end isolation piece (16), and the controller end isolation piece is provided with a controller sealing piece installation matching part for installing a controller end sealing piece (17) between the controller end isolation piece and the motor controller shell. The anti-magnetic sealing wire harness has good tightness and good electromagnetic compatibility.
Description
Technical Field
The utility model relates to an electric connection device, in particular to an anti-magnetic sealing wire harness, and further relates to a power assembly and a vehicle comprising the anti-magnetic sealing wire harness.
Background
With the increasing prominence of the global non-renewable energy consumption and environmental pollution problems, new energy automobiles are widely used because the utilization efficiency of the new energy automobiles is greatly higher than that of common fuel automobiles and the new energy automobiles have little environmental pollution.
The motor controller in the new energy automobile plays roles of adjusting the output power, detecting the state of a circuit and the like, is an important part of the new energy automobile, and the reliability of the circuit is easily affected by external environment, so that the motor controller needs to seal the connection contact when being connected with the motor.
At present, the motor and the motor controller in the new energy automobile in the prior art can realize water prevention, but the sealing level of the connection contact between the motor and the motor controller is lower, and dust prevention can only be realized, and water prevention cannot be realized, so that water vapor or oil gas can still invade the motor and the motor controller through the connection contact between the motor and the motor controller, and influence circuits and electronic components in the water vapor or oil gas, thereby seriously influencing the working stability and the safety of a power assembly; in addition, the prior art electrical connection between the motor and the motor controller is extremely susceptible to electromagnetic interference due to poor electromagnetic compatibility.
In view of this, it is desirable to design a diamagnetic seal harness.
Disclosure of Invention
The technical problem to be solved by the first aspect of the present utility model is to provide a diamagnetic seal harness which has good electromagnetic compatibility and can form good seal with a motor and a motor controller.
In addition, the technical problem to be solved by the second aspect of the utility model is to provide a power assembly which has good tightness, good working stability and high safety.
Further, the technical problem to be solved by the third aspect of the present utility model is to provide a vehicle which has good working stability and high safety.
In order to achieve the above object, a first aspect of the present utility model provides a diamagnetic seal wire harness, comprising a wire harness body, wherein two ends of the wire harness body are respectively a motor connecting end and a motor controller connecting end; the wire harness body comprises at least one strand of wire covered with an insulating layer, and the wire is wrapped in an electromagnetic shielding layer; the motor connecting end is provided with a motor electric connecting port and a motor end isolation piece, and a motor sealing piece installation matching part for installing a motor end sealing piece between the motor end isolation piece and the motor shell is arranged on the motor end isolation piece; the motor controller connecting end is provided with a motor controller electric connecting port and a controller end isolation piece, and the controller end isolation piece is provided with a controller sealing piece installation matching part for installing a controller end sealing piece between the controller end isolation piece and the motor controller shell.
Specifically, the wire harness body further comprises at least one bare wire and an outer cover, wherein the bare wire is wrapped in the electromagnetic shielding layer and is in contact with the electromagnetic shielding layer, and the outer cover is covered on the outer side of the electromagnetic shielding layer.
Preferably, two ends of the wire harness body are respectively injection-molded in the motor end separator and the controller end separator.
Further preferably, the motor end spacer and the controller end spacer are provided with spacer mounting and matching structures, the motor housing is provided with a motor mounting and matching structure, the motor controller housing is provided with a controller mounting and matching structure, and the spacer mounting and matching structure is connected with the motor mounting and matching structure and the controller mounting and matching structure through fasteners.
Still preferably, the motor housing is further provided with a motor end spacer accommodating cavity, the motor controller housing is further provided with a controller end spacer accommodating cavity, the motor end spacer can be inserted into the motor end spacer accommodating cavity, and the controller end spacer can be inserted into the controller end spacer accommodating cavity.
Further preferably, a portion of the motor end spacer contacting a side wall of the motor end spacer accommodating chamber is provided with a motor end seal groove serving as the motor seal mounting mating portion so as to be able to accommodate the motor end seal; a controller end sealing groove serving as a controller sealing element mounting matching part is arranged at the part of the controller end separating element, which is contacted with the side wall of the controller end separating element accommodating cavity, so that the controller end sealing element can be accommodated; or a motor connecting end step structure serving as a motor sealing member mounting matching part is arranged on the motor end separating member close to the motor electric connection port so as to be capable of mounting the motor end sealing member; and a motor controller connecting end step structure serving as a controller sealing member installation matching part is arranged on the part, close to the motor controller electric connection port, of the controller end separating member so as to be capable of installing the controller end sealing member.
Further preferably, the motor end seal and the controller end seal are multi-lip seals.
More preferably, the motor end seal is capable of interference fit with the motor end spacer receiving cavity and the controller end seal is capable of interference fit with the controller end spacer receiving cavity.
Further, a second aspect of the present utility model provides a power assembly, including any one of the above-mentioned technical solutions, a magnetic seal harness, a motor controller, and a power source, where the motor electric connection port is electrically connected to the motor, the motor end spacer is connected to the motor housing, and a motor end seal is provided between a motor seal mounting mating portion of the motor end spacer and the motor housing; the motor controller electric connector is electrically connected with the motor controller, the controller end isolation piece is connected with the motor controller shell, and a controller end sealing piece is arranged between the controller sealing piece installation matching part of the controller end isolation piece and the motor controller shell; the power supply is electrically connected with the motor controller.
Still further, a third aspect of the present utility model provides a vehicle, including the powertrain of the above-mentioned aspect.
Through the technical scheme, the electromagnetic shielding layer is arranged in the wire harness body, so that the wires wrapped in the electromagnetic shielding layer can not be interfered by electromagnetic fields outside, the wire harness body has good electromagnetic compatibility, and the anti-magnetic sealing wire harness has good electromagnetic compatibility; in addition, the two ends of the anti-magnetic sealing wire harness are respectively provided with a motor electric connection port for being electrically connected with a motor and a motor controller electric connection port for being electrically connected with the motor controller, so that the electric connection between the motor and the motor controller can be realized, the motor connection end of the wire harness body is also provided with a motor end isolation piece, the motor end isolation piece can be connected with a motor shell, and a motor end sealing piece can be installed between the motor end isolation piece and the motor shell by a motor sealing piece installation matching part arranged on the motor end isolation piece, so that the tightness of the anti-magnetic sealing wire harness in contact with the motor is improved, and the effect of preventing water vapor and oil gas from invading into the motor can be further realized; likewise, the motor controller connecting end of the wire harness body is further provided with a controller end isolation piece, the controller end isolation piece can be connected with the motor controller shell, and the controller end isolation piece and the motor controller shell can be mounted by the controller sealing piece mounting matching part arranged on the controller end isolation piece, so that the tightness of connection contact of the anti-magnetic sealing wire harness and the motor controller is improved, and the effect of preventing water vapor and oil gas from invading the motor controller is achieved.
The power assembly comprises the anti-magnetic sealing wire harness, the motor controller and the power supply, wherein the anti-magnetic sealing wire harness, the motor controller and the power supply are electrically connected with the motor controller, and the motor controller is electrically connected with the motor so as to supply power to the motor by the power supply. Because the power assembly has the anti-magnetic sealing wire harness in the technical scheme, the power assembly also has good sealing performance, electronic components in the motor and the motor controller can be free from the influence of water vapor and oil gas, the working stability of the motor, particularly the motor controller, is greatly improved, the phenomenon that the circuit is broken down and even self-ignition is caused by the invasion of the water vapor is avoided, and the safety performance is greatly improved.
In the vehicle provided by the third aspect of the utility model, since the vehicle is provided with the power assembly in the technical scheme, the vehicle also has good working stability and safety.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic perspective view of one embodiment of a diamagnetic seal harness of the present utility model;
FIG. 2 is a schematic cross-sectional view of a wire harness body in a diamagnetic seal harness of the present utility model;
FIG. 3 is a schematic illustration of the connection of the diamagnetic seal harness of the present utility model to a motor controller;
fig. 4 is a schematic diagram of the connection of the diamagnetic seal harness of the present utility model to a motor.
Description of the reference numerals
11-wire harness body 111-wire
112-electromagnetic shielding layer 113-bare wire
114-coating 12-motor electric connector
13-Motor end spacer 14-Motor end seal
15-electric connection port 16-end separator for motor controller
17-controller end seal 21-motor housing
31-motor controller shell
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
As shown in fig. 1, in one embodiment of the anti-magnetic sealing wire harness to be provided in the first aspect of the present utility model, the anti-magnetic sealing wire harness includes a wire harness body 11, and two ends of the wire harness body 11 are respectively a motor connection end and a motor controller connection end; as shown in fig. 2, the internal structure of the wire harness body is shown in fig. 2, the wire harness body 11 comprises at least one wire 111 covered with an insulating layer, the wire 111 is wrapped in an electromagnetic shielding layer 112, in addition, at least one bare wire 113 is further arranged in the electromagnetic shielding layer 112, and the bare wire 113 is contacted with the electromagnetic shielding layer 112 so as to guide current generated by electromagnetic effect on the electromagnetic shielding layer to the ground, thereby having electromagnetic shielding effect, and further having good electromagnetic compatibility of the wire harness body and good electromagnetic compatibility of the anti-magnetic sealing wire harness; the electromagnetic shielding layer 112 has conductivity, and an outer coating 114 with insulation function is provided on the outer side of the electromagnetic shielding layer 112 to ensure safety and prevent leakage.
Specifically, a motor electric connection port 12 and a motor end spacer 13 are provided at the motor connection end, and a motor seal mounting mating portion for mounting a motor end seal 14 between the motor end spacer 13 and a motor housing 21 is provided on the motor end spacer 13; a motor controller electric connection port 15 and a controller end spacer 16 are arranged at the motor controller connection end, and a controller seal mounting matching part for mounting a controller end seal 17 between the controller end spacer 16 and a motor controller shell 31 is arranged on the controller end spacer 16; the anti-magnetic sealing wire harness can be electrically connected with the motor through the motor electric connection port 12 and electrically connected with the motor controller through the motor controller electric connection port 15, so that the electric connection between the motor and the motor controller is realized, the motor connection end of the wire harness body 11 is also provided with the motor end isolation piece 13, the motor end isolation piece 13 can be connected with the motor shell 21, and the motor end isolation piece mounting matching part arranged on the motor end isolation piece 13 can realize the mounting of the motor end sealing piece 14 between the motor end isolation piece 13 and the motor shell 21, so that the sealing performance of the anti-magnetic sealing wire harness in contact with the motor is improved, and the effect of preventing water vapor and oil gas from invading into the motor can be realized; likewise, the motor controller connection end of the wire harness body 11 is further provided with a controller end spacer 16, the controller end spacer 16 can be connected with the motor controller housing 31, and a controller seal mounting matching part arranged on the controller end spacer 16 can mount the controller end seal 17 between the controller end spacer 16 and the motor controller housing 31, so that the tightness of connection contact between the anti-magnetic seal wire harness and the motor controller is improved, and further, the effect of preventing water vapor and oil gas from invading into the motor controller can be achieved.
Specifically, as shown in fig. 1, the motor end spacer 13 and the controller end spacer 16 may be preferably injection molded parts, and the motor connection end of the wire harness body 11 is injection molded in the motor end spacer 13, and the motor controller connection end of the wire harness body 11 is injection molded in the controller end spacer 16, so that the spacer can be tightly attached to the wire harness body 11 in an injection molding manner, and the tightness is good.
As a preferred embodiment of the anti-magnetic sealing harness of the present utility model, a connection sealing manner between the spacer and the housing may be as shown in fig. 3, that is, taking a connection between the spacer 16 at the controller end and the housing 31 of the motor controller as an example, the controller mounting mating structure on the housing 31 of the motor controller may be preferably a boss structure, the middle part of the boss structure is formed as a spacer accommodating cavity at the controller end, a blind hole structure is further provided in a region from the sidewall of the spacer accommodating cavity at the controller end to the outer sidewall of the boss structure, the spacer 16 at the controller end is partially inserted into the spacer accommodating cavity at the controller end, a mounting plate serving as a spacer mounting mating structure is provided at a portion of the spacer 16 at the controller end exposed from the spacer accommodating cavity, a plate surface of the mounting plate is attached to a table surface of the boss structure, and a through hole structure is provided on the mounting plate, so that the fastener can pass through the through hole structure to achieve a fastening connection between the spacer 16 at the controller end and the housing 31 of the motor controller; in addition, a controller seal mounting mating portion is further provided at a portion of the controller end spacer 16 inserted into the controller end spacer accommodating chamber, and the controller seal mounting mating portion may preferably be provided as a controller end seal groove provided at a portion of the controller end spacer 16 contacting with a side wall of the controller end spacer accommodating chamber, and the controller end seal groove may be provided with a controller end seal 17, and the controller end seal 17 and the controller end spacer accommodating chamber should be configured as an interference fit, of course, the controller end seal 17 also being interference fitted with the controller end seal groove to ensure tightness of the connection contact between the controller end spacer 16 and the motor controller housing 31, and more preferably, the controller end seal 17 is a multi-lip seal ring, and particularly the controller end seal 17 preferably is provided with a multi-layer lip flap at a portion contacting with the side wall of the controller end spacer accommodating chamber, so as to be able to further enhance the sealing performance.
Of course, it will be understood that the connection sealing manner between the spacer and the housing is not limited to the above-mentioned manner, as another connection sealing manner between the spacer and the housing, as shown in fig. 4, taking connection between the motor end spacer 13 and the motor housing 21 as an example, a motor end spacer accommodating cavity is provided on the motor housing 21, a bottom opening is provided at the bottom of the motor end spacer accommodating cavity, so that the motor electric connection port 12 can pass through the bottom opening to be electrically connected with the motor, and the bottom opening and the bottom of the motor end spacer accommodating cavity can form a step structure, so that the motor end sealing member 14 can be placed at the bottom of the motor end spacer accommodating cavity, an arc-shaped protrusion structure serving as a motor installation mating structure is provided on one end of the inner side wall of the motor end spacer accommodating cavity far away from the motor housing 21, correspondingly, an arc-shaped protrusion structure serving as a spacer installation mating structure is also provided on the motor end spacer 13, and a motor connection end step structure serving as a motor sealing mating part is provided on the motor end spacer 13 near the motor electric connection port, i.e. the end spacer 12 can be inserted into the motor end housing 13 to form a gap structure between the motor end spacer 13 and the motor end spacer housing 13, and the arc-shaped spacer housing 13 can be separated from the end spacer housing 13 by the arc-shaped protrusion structure, and the arc-shaped protrusion structure can be formed between the end spacer and the end spacer housing 13 can be inserted into the arc-shaped spacer housing 13, and the arc-shaped spacer structure can be separated from the end structure by the arc-shaped spacer housing, and the arc-shaped spacer housing can be easily inserted into the end structure, so that the step surface of the step structure on the motor end spacer 13 can apply pressure towards the bottom of the motor end spacer accommodating cavity to the motor end seal 14 placed at the bottom of the motor end spacer accommodating cavity, so that the motor end seal 14 can be tightly attached to the motor end spacer 13 and the motor housing 21 to form a seal; in addition, the motor end sealing member 14 is in interference fit with the motor end spacer accommodating cavity, and the middle part of the motor end sealing member 14 is used for penetrating through the sealing member opening of the motor electric connection port 12 and is also in interference fit with the motor electric connection port 12, so that tightness is ensured, more preferably, the motor end sealing member 14 is a multi-lip type sealing ring, and particularly, the motor end sealing member 14 is preferably provided with a plurality of layers of lip flaps at the part contacted with the motor electric connection port 12 and the part contacted with the side wall of the motor end spacer accommodating cavity, so that tightness can be further improved; wherein, the part of the motor end sealing member 14 contacted with the motor electric connection port 12 is provided with a plurality of layers of lip flaps, so that the sealing performance can be improved, and the resistance of the motor electric connection port 12 in the plugging process can be reduced.
Further, the second aspect of the present utility model is to provide a power assembly, which includes the diamagnetic seal wire harness, the motor, and the motor controller in the above technical solution, and further includes a power source, wherein a motor electric connection port 12 of a motor connection end on the diamagnetic seal wire harness is electrically connected with the motor, a motor end spacer 13 is connected with a motor housing 21, and a motor end seal 14 is provided between a motor seal installation mating portion of the motor end spacer 13 and the motor housing 21, so that a connection portion of the diamagnetic seal wire harness and the motor can form a seal; the motor controller electric connection port 15 of the motor controller connection end on the anti-magnetic sealing wire harness is electrically connected with the motor controller, the controller end isolation piece 16 is connected with the motor controller shell 31, and a controller end sealing piece 17 is arranged between the controller sealing piece installation matching part of the controller end isolation piece 16 and the motor controller shell 31, so that the connection part of the anti-magnetic sealing wire harness and the motor controller can form sealing; in addition, the power supply is electrically connected with the motor controller so that the output power of the power supply to the motor can be controlled by the motor controller. Because the power assembly has the anti-magnetic sealing wire harness in the technical scheme, the power assembly also has good sealing performance, electronic components in the motor and the motor controller can be free from the influence of water vapor and oil gas, the working stability of the motor, particularly the motor controller, is greatly improved, the phenomenon that the circuit is broken down and even self-ignition is caused by the invasion of the water vapor is avoided, and the safety performance is greatly improved.
Still further, a third aspect of the present utility model is to provide a powered vehicle having the powertrain of the above-described aspect, and thus also having good working stability and safety.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a number of simple variants of the technical solution of the utility model are possible, including combinations of individual specific technical features in any suitable way. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (10)
1. The anti-magnetic sealing wire harness is characterized by comprising a wire harness body (11), wherein two ends of the wire harness body (11) are respectively provided with a motor connecting end and a motor controller connecting end; the wire harness body (11) comprises at least one strand of wire (111) covered with an insulating layer, and the wire (111) is wrapped in an electromagnetic shielding layer (112); the motor connecting end is provided with an electromechanical connecting port (12) and a motor end isolation piece (13), and a motor seal piece installation matching part for installing a motor end seal piece (14) between the motor end isolation piece (13) and a motor shell (21) is arranged on the motor end isolation piece (13); the motor controller connecting end is provided with a motor controller electric connecting port (15) and a controller end isolation piece (16), and the controller end isolation piece (16) is provided with a controller sealing piece installation matching part for installing a controller end sealing piece (17) between the controller end isolation piece (16) and a motor controller shell (31).
2. The diamagnetic seal harness according to claim 1, characterized in that the harness body (11) further comprises at least one bare wire (113) and an outer cover (114), the bare wire (113) being wrapped in the electromagnetic shielding layer (112) and being in contact with the electromagnetic shielding layer (112), the outer cover (114) being covered on the outside of the electromagnetic shielding layer (112).
3. The diamagnetic seal harness according to claim 1 or 2, characterized in that both ends of the harness body (11) are respectively injection-molded into the motor end spacer (13) and the controller end spacer (16).
4. A diamagnetic seal harness according to claim 3, characterized in that the motor end spacer (13) and the controller end spacer (16) are provided with spacer mounting engagement structures, the motor housing (21) is provided with a motor mounting engagement structure, the motor controller housing (31) is provided with a controller mounting engagement structure, and the spacer mounting engagement structure is connected with the motor mounting engagement structure and the controller mounting engagement structure by fasteners.
5. The diamagnetic seal harness according to claim 4, wherein the motor housing (21) is further provided with a motor end spacer accommodation chamber, the motor controller housing (31) is further provided with a controller end spacer accommodation chamber, the motor end spacer (13) is insertable into the motor end spacer accommodation chamber, and the controller end spacer (16) is insertable into the controller end spacer accommodation chamber.
6. The diamagnetic seal harness according to claim 5, characterized in that a portion of the motor end spacer (13) contacting a side wall of the motor end spacer accommodation chamber is provided with a motor end seal groove serving as the motor seal mounting mating portion so as to be able to accommodate the motor end seal (14); a controller end sealing groove serving as a controller sealing element mounting matching part is arranged at the part of the controller end separating element (16) contacted with the side wall of the controller end separating element accommodating cavity so as to be capable of accommodating the controller end sealing element (17); or a motor connecting end step structure serving as a motor sealing member mounting matching part is arranged on the motor end separating member (13) close to the motor electric connection port (12) so as to be capable of mounting the motor end sealing member (14); and a motor controller connecting end step structure serving as a controller sealing member mounting matching part is arranged on the part, close to the motor controller electric connection port (15), of the controller end separating member (16) so as to be capable of mounting the controller end sealing member (17).
7. The diamagnetic seal harness according to claim 6, characterized in that the motor end seal (14) and the controller end seal (17) are multi-lip seal rings.
8. The diamagnetic seal harness according to claim 7, characterized in that the motor end seal (14) is capable of interference fit with the motor end spacer receiving cavity, and the controller end seal (17) is capable of interference fit with the controller end spacer receiving cavity.
9. A power assembly, characterized by comprising the antimagnetic seal wire harness, a motor controller and a power source according to any one of claims 1 to 8, wherein the motor electric connection port (12) is electrically connected with the motor, the motor end spacer (13) is connected with the motor housing (21), and a motor end seal (14) is arranged between a motor seal mounting mating portion of the motor end spacer (13) and the motor housing (21); the motor controller electric connection port (15) is electrically connected with the motor controller, the controller end isolation piece (16) is connected with the motor controller shell (31), and a controller end sealing piece (17) is arranged between a controller sealing piece installation matching part of the controller end isolation piece (16) and the motor controller shell (31); and the power supply is electrically connected with the motor controller.
10. A vehicle comprising the powertrain of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121182619.0U CN218918473U (en) | 2021-05-28 | 2021-05-28 | Anti-magnetic sealing wire harness, power assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121182619.0U CN218918473U (en) | 2021-05-28 | 2021-05-28 | Anti-magnetic sealing wire harness, power assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218918473U true CN218918473U (en) | 2023-04-25 |
Family
ID=86010310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121182619.0U Active CN218918473U (en) | 2021-05-28 | 2021-05-28 | Anti-magnetic sealing wire harness, power assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218918473U (en) |
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2021
- 2021-05-28 CN CN202121182619.0U patent/CN218918473U/en active Active
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