CN215097415U - Whole car pencil bonding structure of electric automobile - Google Patents
Whole car pencil bonding structure of electric automobile Download PDFInfo
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- CN215097415U CN215097415U CN202121464209.5U CN202121464209U CN215097415U CN 215097415 U CN215097415 U CN 215097415U CN 202121464209 U CN202121464209 U CN 202121464209U CN 215097415 U CN215097415 U CN 215097415U
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Abstract
The utility model relates to a whole car pencil bonding structure of electric automobile belongs to electric automobile technical field. The cab grounding device comprises a frame grounding and a cab grounding, wherein the cab grounding is in butt joint with the frame grounding; the frame ground comprises a battery cell ground, a TCU ground, a VCU ground, an ABS ground, a motor ground, a gearbox ground and a light ground; the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding adopt double bonding, one bonding point of the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding is a frame ground wire in a main wire bundle, and the other bonding point of the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding is a frame girder bonding; the utility model has the advantages that: the compound grounding mode can reduce the influence on other important control elements when a single device fails in the original series grounding mode as much as possible; the safe operation of each component of the whole vehicle is guaranteed; the important controller is protected, and the important controller on the vehicle cannot be burnt out due to the fact that the iron-bonding points are connected in series.
Description
Technical Field
The utility model relates to a whole car pencil bonding structure of electric automobile belongs to electric automobile technical field.
Background
The existing bonding point of the whole new-energy pure electric vehicle wire harness in the market only utilizes one opening on the vehicle frame as a bonding position, the bonding mode is single-point series grounding, the whole vehicle wire harness is too long, a plurality of equipment common bonding wires are too long, the phase difference of the connection points of each equipment and the main bonding wire is large, and serious influence can be caused among the equipment and the main bonding wire.
In addition, sensitive components such as VCUs, gear selecting and shifting sensors and other components which are prone to electromagnetic interference are not designed with separate bonding, so that the components are interfered by other electric equipment to send out error commands or signals.
Disclosure of Invention
In order to overcome above-mentioned prior art's weak point, the utility model provides a whole car pencil bonding structure of electric automobile through the structure that sets up double entry bonding on new forms of energy pure electric vehicles, sets up solitary bonding position point to the great equipment of interference source and sensitive electrical component, and its bonding position is close equipment itself and causes the influence to equipment with the pressure drop that reduces bonding wire itself as far as.
The utility model discloses a realize through following technical scheme: the utility model provides a whole car pencil bonding structure of electric automobile which characterized in that: the cab grounding device comprises a frame grounding and a cab grounding, wherein the cab grounding is in butt joint with the frame grounding;
the frame ground comprises a battery cell ground, a TCU ground, a VCU ground, an ABS ground, a motor ground, a gearbox ground and a light ground; the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding adopt double bonding, one bonding point of the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding is a frame ground wire in a main wire bundle, and the other bonding point of the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding is a frame girder bonding;
the cab bonding comprises an air blower bonding and an instrument light bonding, the air blower bonding adopts double bonding, one bonding point of the air blower bonding is a cab ground wire in a main wire bundle, and the other bonding point of the air blower bonding is a cab frame bonding.
The motor bonding and the gearbox bonding are frame girder bonding.
The cab bonding and the frame bonding are in butt joint through a vehicle chassis main wire harness ground wire and a cab main wire harness ground wire, so that the cab and the chassis are located at the same bonding point.
The cab frame is connected with the frame girder through a braided cable, so that the bonding potential of the cab and the frame is ensured to be consistent.
The frame girder bonding adopts sawtooth nut crimping.
The lamplight bonding of the frame bonding is connected in parallel from the main grounding wire bundle, the connection point is welded by ultrasonic waves, and the thickened double-wall heat-shrinkable tube is used for protection.
The cab grounding comprises a left door grounding, a right door grounding, a floor grounding and a ceiling electrical equipment grounding, and is connected with a main ground wire of the cab in a parallel connection mode in a series grounding mode.
The utility model has the advantages that: the compound grounding mode can reduce the influence on other important control elements when a single device fails in the original series grounding mode as much as possible; the safe operation of each component of the whole vehicle is guaranteed; the whole vehicle bonding effect can be improved with the minimum cost; the important controller is protected, and the important controller on the vehicle cannot be burnt out due to the fact that the iron-bonding points are connected in series.
Drawings
The invention will be further explained below with reference to the drawings and examples.
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
As shown in fig. 1, the whole electric vehicle wire harness bonding structure is characterized in that: the cab grounding device comprises a frame grounding and a cab grounding, wherein the cab grounding is in butt joint with the frame grounding;
the frame ground comprises a battery cell ground, a TCU ground, a VCU ground, an ABS ground, a motor ground, a gearbox ground and a light ground; the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding adopt double bonding, one bonding point of the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding is a frame ground wire in a main wire bundle, and the other bonding point of the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding is a frame girder bonding;
the cab bonding comprises an air blower bonding and an instrument light bonding, the air blower bonding adopts double bonding, one bonding point of the air blower bonding is a cab ground wire in a main wire bundle, and the other bonding point of the air blower bonding is a cab frame bonding.
The motor bonding and the gearbox bonding are frame girder bonding.
The cab bonding and the frame bonding are in butt joint through a vehicle chassis main wire harness ground wire and a cab main wire harness ground wire, so that the cab and the chassis are located at the same bonding point.
The cab frame is connected with the frame girder through a braided cable, so that the bonding potential of the cab and the frame is ensured to be consistent.
The frame girder bonding adopts sawtooth nut crimping.
The lamplight bonding of the frame bonding is connected in parallel from the main grounding wire bundle, the connection point is welded by ultrasonic waves, and the thickened double-wall heat-shrinkable tube is used for protection.
The cab grounding comprises a left door grounding, a right door grounding, a floor grounding and a ceiling electrical equipment grounding, and is connected with a main ground wire of the cab in a parallel connection mode in a series grounding mode.
The air-conditioning fan in the vehicle cab is a sensitive load, has large interference and is connected to the grounding point of the cab by adopting independent grounding. Other equipment of the cab shares a cab grounding main line.
Claims (7)
1. The utility model provides a whole car pencil bonding structure of electric automobile which characterized in that: the cab grounding device comprises a frame grounding and a cab grounding, wherein the cab grounding is in butt joint with the frame grounding;
the frame ground comprises a battery cell ground, a TCU ground, a VCU ground, an ABS ground, a motor ground, a gearbox ground and a light ground; the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding adopt double bonding, one bonding point of the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding is a frame ground wire in a main wire bundle, and the other bonding point of the battery cell bonding, the TCU bonding, the VCU bonding and the ABS bonding is a frame girder bonding;
the cab bonding comprises an air blower bonding and an instrument light bonding, the air blower bonding adopts double bonding, one bonding point of the air blower bonding is a cab ground wire in a main wire bundle, and the other bonding point of the air blower bonding is a cab frame bonding.
2. The whole vehicle wire harness bonding structure of the electric vehicle as claimed in claim 1, characterized in that: the motor bonding and the gearbox bonding are frame girder bonding.
3. The whole vehicle wire harness bonding structure of the electric vehicle as claimed in claim 1, characterized in that: the cab bonding and the frame bonding are in butt joint through a vehicle chassis main wire harness ground wire and a cab main wire harness ground wire, so that the cab and the chassis are located at the same bonding point.
4. The whole vehicle wire harness bonding structure of the electric vehicle as claimed in claim 1, characterized in that: the cab frame is connected with the frame girder through a braided cable, so that the bonding potential of the cab and the frame is ensured to be consistent.
5. The whole vehicle wire harness bonding structure of the electric vehicle as claimed in claim 1, characterized in that: the frame girder bonding adopts sawtooth nut crimping.
6. The whole vehicle wire harness bonding structure of the electric vehicle as claimed in claim 1, characterized in that: the lamplight bonding of the frame bonding is connected in parallel from the main grounding wire bundle, the connection point is welded by ultrasonic waves, and the thickened double-wall heat-shrinkable tube is used for protection.
7. The whole vehicle wire harness bonding structure of the electric vehicle as claimed in claim 1, characterized in that: the cab grounding comprises a left door grounding, a right door grounding, a floor grounding and a ceiling electrical equipment grounding, and is connected with a main ground wire of the cab in a parallel connection mode in a series grounding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464209.5U CN215097415U (en) | 2021-06-30 | 2021-06-30 | Whole car pencil bonding structure of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464209.5U CN215097415U (en) | 2021-06-30 | 2021-06-30 | Whole car pencil bonding structure of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215097415U true CN215097415U (en) | 2021-12-10 |
Family
ID=79312189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121464209.5U Active CN215097415U (en) | 2021-06-30 | 2021-06-30 | Whole car pencil bonding structure of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215097415U (en) |
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2021
- 2021-06-30 CN CN202121464209.5U patent/CN215097415U/en active Active
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