CN219659221U - High-voltage distribution box of double-motor hybrid power system - Google Patents
High-voltage distribution box of double-motor hybrid power system Download PDFInfo
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- CN219659221U CN219659221U CN202320568888.3U CN202320568888U CN219659221U CN 219659221 U CN219659221 U CN 219659221U CN 202320568888 U CN202320568888 U CN 202320568888U CN 219659221 U CN219659221 U CN 219659221U
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- 230000009977 dual effect Effects 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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Abstract
The utility model discloses a high-voltage distribution box of a double-motor hybrid power system, which is characterized in that an anode wiring board is connected with three anode wiring terminals; the negative electrode wiring board is connected with three negative electrode wiring terminals; one positive electrode connecting terminal is connected with the positive electrode of the power supply, and the other two positive electrode connecting terminals are respectively connected with the positive electrodes of the two motor controllers; one negative electrode binding post is connected with the negative electrode of the power supply, and the other two negative electrode binding posts are respectively connected with the negative electrodes of the two motor controllers. The positive and negative currents of each wiring terminal are reasonably distributed through the shunting effect of the positive wiring board and the negative wiring board in the high-voltage distribution box. Meanwhile, the high-voltage distribution box can enable the originally crossed wire harnesses to be arranged in a non-crossed mode, electromagnetic interference of a system is reduced, the high-voltage wire harnesses are free of branches, current passing performance is good, and danger caused by concentrated heating of nodes can be avoided.
Description
Technical Field
The utility model belongs to the technical field of dual-motor hybrid power systems, and particularly relates to a high-voltage distribution box of a dual-motor hybrid power system.
Background
With increasing importance of ecological environment and gradual perfection of environmental regulations, hybrid electric vehicles play an increasingly important role in modern society. ECVT is used as a series-parallel structure of a hybrid electric vehicle, and is widely applied by high-efficient fuel-saving rate and comfortable driving experience. The ECVT transmission couples the three power elements of the engine, motor and generator, thereby achieving torque distribution and power conversion for the whole vehicle. Since the entire power system contains nearly one time more high voltage devices than the conventional hybrid system, how to arrange the high voltage harness in a limited space becomes a problem to be solved. And the electric control and the battery positive and negative terminals of the traditional new energy automobile are both a pair, and the number of the battery positive and negative terminals of the ECVT system is inconsistent with that of the electric control positive and negative terminals, so that if the battery and the electric control are redesigned, the economic and time costs are increased. The high-voltage wire harness can be provided with the nodes for shunting, but the resistance at the nodes is increased, the high-voltage current is heated seriously when passing through the nodes, and potential safety hazards exist.
Patent application CN103481792a discloses a high-voltage distribution box of a power battery, wherein each high-voltage component in the high-voltage distribution box of the power battery is separated by an insulating plastic partition board, so that the interference between the high-voltage components is reduced, the insulating distance between the high-voltage components is increased, and the short-circuit risk caused by direct contact of conductive parts between the high-voltage components is prevented; and the high-voltage components are electrically connected through the copper bars, so that the high-voltage electrical connection of the distribution box is compact, and the system integration and the space utilization rate are improved. This patent application aims at providing a power battery's high voltage distribution box, through improving each other's insulating distance, prevents to cause the short circuit between the high voltage components and parts, is connected high voltage components and parts electricity through the copper bar simultaneously, has improved system integration and space utilization, but because ECVT system belongs to two motor hybrid power system, its battery positive negative terminal is inconsistent with automatically controlled positive negative terminal quantity, and this patent application can't be applied to two motor hybrid power system's high voltage line arrangement.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model aims to provide a high-voltage distribution box of a double-motor hybrid power system, and positive and negative currents of each wiring terminal are reasonably distributed through the shunting effect of the high-voltage distribution box.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high voltage distribution box for a dual motor hybrid system, comprising:
the box body, the positive electrode wiring board, the negative electrode wiring board and wiring terminals arranged on the box body, wherein the wiring terminals comprise three positive electrode wiring terminals and three negative electrode wiring terminals;
the positive electrode wiring board is connected with three positive electrode wiring terminals; the negative electrode wiring board is connected with three negative electrode wiring terminals; one positive electrode connecting terminal is connected with the positive electrode of the power supply, and the other two positive electrode connecting terminals are respectively connected with the positive electrodes of the two motor controllers; one negative electrode binding post is connected with the negative electrode of the power supply, and the other two negative electrode binding posts are respectively connected with the negative electrodes of the two motor controllers.
Optionally, the connection terminal is disposed on a side surface of the box body.
Optionally, the positive terminal plate and the negative terminal plate are both disposed inside the box body of the high-voltage distribution box.
Optionally, the three positive electrode terminals are respectively disposed on three different surfaces of the box body, and the three negative electrode terminals are respectively disposed on three different surfaces of the box body.
Optionally, one of the positive connection terminals connecting the positive poles of the two motor controllers is disposed on the opposite side of the negative connection terminal connecting the negative pole of the motor controller, and the other is disposed on the same surface of the negative connection terminal connecting the negative pole of the motor controller.
Optionally, a connection terminal connected with the positive electrode of the power supply and a connection terminal connected with the negative electrode of the power supply are arranged on the same surface of the box body.
Optionally, the number of the connection terminals on the surface of the box body provided with the connection terminals is one or two, one connection terminal is arranged in the center of the box body, and the two connection terminals are symmetrically arranged by taking the center line of the surface of the box body as an axis.
Optionally, a bolt fixing groove is formed at the corner of the bottom plate of the box body.
Optionally, the positive electrode wiring board and the negative electrode wiring board are isolated by a high-voltage insulating material.
Optionally, the box body is a rectangular prism.
Compared with the prior art, the utility model has the following beneficial effects:
according to the high-voltage distribution box of the double-motor hybrid power system, the existing battery and electric control system are not required to be changed, the high-voltage wire harness is not required to be modified, and positive and negative currents of all wiring terminals are reasonably distributed through the shunting effect of the positive wiring board and the negative wiring board in the high-voltage distribution box. Meanwhile, the high-voltage distribution box can enable the originally crossed wire harnesses to be arranged in a non-crossed mode, electromagnetic interference of a system is reduced, the high-voltage wire harnesses are free of branches, current passing performance is good, danger caused by concentrated heating of nodes can be avoided, and in addition, the total length of needed wire harnesses is reduced.
Furthermore, the box body is provided with the bolt fixing groove, so that the box body can be conveniently fixed.
Further, the positive electrode binding post and the negative electrode binding post are arranged on different surfaces of the box body, so that the cross arrangement of the wire harnesses connected with the box body can be avoided.
Further, the positive electrode wiring board and the negative electrode wiring board are isolated by the high-voltage insulating material, so that short circuit can be avoided.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. In the drawings:
FIG. 1 is a top view of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic view showing the internal structure of the case of the present utility model;
the motor comprises a 1-box body, 11-first wiring terminals, 12-second wiring terminals, 13-third wiring terminals, 14-fourth wiring terminals, 15-fifth wiring terminals, 16-sixth wiring terminals, 21-first side surfaces, 22-second side surfaces, 23-third side surfaces, 24-fourth side surfaces, 31-positive electrode wiring boards, 32-negative electrode wiring boards, 101-bolt fixing grooves, 102-air plugs, MG 1-first motors, MG 2-second motors, MCU 1-first motor controllers and MCU 2-second motor controllers.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, shall fall within the scope of the utility model.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a high-voltage distribution box of a dual-motor hybrid system of the present utility model includes a power source, a box body 1, a first motor controller MCU1, a second motor controller MCU2, a first motor MG1 and a second motor MG2,
the box body 1 is a right quadrangular prism. The box 1 includes a first side 21, a second side 22, a third side 23, and a fourth side 24, where the first side 21 is perpendicular to the second side 22 and the third side 23, and the first side 21 is parallel to the fourth side 24.
The box body 1 further comprises a bolt fixing groove 101, a ventilation plug 102, a first wiring terminal 11, a second wiring terminal 12, a third wiring terminal 13, a fourth wiring terminal 14, a fifth wiring terminal 15 and a sixth wiring terminal 16. The bolt fixing groove 101 is formed at the corner of the bottom plate of the box body 1, the ventilation plug 102 is arranged on the third side surface 23, and the ventilation plug 102 is opened to be communicated with the inside of the box body 1.
The first connection terminal 11 and the second connection terminal 12 are arranged on the first side 21 with the center line of the first side 21 as axis symmetry, the third connection terminal 13 is arranged at the center of the second side 22, the sixth connection terminal 16 is arranged at the center of the third side 23, and the fourth connection terminal 14 and the fifth connection terminal 15 are arranged on the fourth side 24 with the center line of the fourth side 24 as axis symmetry.
The first wiring terminal 11, the third wiring terminal 13 and the fifth wiring terminal 15 of the box body 1 are connected through a positive wiring board 31, and the second wiring terminal 12, the fourth wiring terminal 14 and the sixth wiring terminal 16 are connected through a negative wiring board 32; the positive electrode wiring board 31 and the negative electrode wiring board 32 are isolated by a high-voltage insulating material.
The third connecting terminal 13 and the fourth connecting terminal 14 are respectively connected with the positive pole and the negative pole of the first motor controller MCU1. The fifth connecting terminal 15 and the sixth connecting terminal 16 are respectively connected with the positive pole and the negative pole of the second motor controller MCU2.
The three-phase output of the first motor controller MCU1 is connected with the three-phase input of the first motor MG1, and the three-phase output of the second motor controller MCU2 is connected with the three-phase input of the second motor MG2.
When the high-voltage distribution box of the double-motor hybrid power system is used,
the current flows out from the positive electrode of the power supply, enters the box body 1 for shunting, flows into the first motor controller MCU1 from the third connecting terminal 13, and flows into the second motor controller MCU2 from the fifth connecting terminal 15.
The first motor controller MCU1 and the second motor controller MCU2 invert the high-voltage current and the high-voltage, and then enter the first motor MG1 and the second motor MG2 respectively. The current flowing from the first motor MG1, after being rectified by the first motor controller MCU1, may also flow to the battery or the second motor controller MCU2 through the split current of the high-voltage power distribution cabinet, respectively. The current from the second motor MG2, after being rectified by the second motor controller MCU2, may also flow to the battery or the first motor controller MCU1 through the split current of the high-voltage power distribution cabinet, respectively.
The device elements in the above embodiments are conventional device elements unless otherwise specified, and the structural arrangement, operation or control modes in the embodiments are conventional arrangement, operation or control modes in the art unless otherwise specified.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. A high voltage distribution box for a dual motor hybrid system, comprising:
the box body (1), the positive electrode wiring board (31), the negative electrode wiring board (32) and wiring terminals arranged on the box body (1), wherein the wiring terminals comprise three positive electrode wiring terminals and three negative electrode wiring terminals;
wherein the positive electrode wiring board (31) is connected with three positive electrode wiring terminals; the negative electrode wiring board (32) is connected with three negative electrode wiring terminals; one positive electrode connecting terminal is connected with the positive electrode of the power supply, and the other two positive electrode connecting terminals are respectively connected with the positive electrodes of the two motor controllers; one negative electrode binding post is connected with the negative electrode of the power supply, and the other two negative electrode binding posts are respectively connected with the negative electrodes of the two motor controllers.
2. A high voltage distribution box for a dual motor hybrid system according to claim 1, characterized in that the connection terminals are provided on the side surface of the box body (1).
3. The high-voltage distribution box of a dual-motor hybrid system according to claim 1, wherein the positive terminal plate (31) and the negative terminal plate (32) are both disposed inside a box body of the high-voltage distribution box.
4. The high-voltage distribution box of a double-motor hybrid power system according to claim 1, wherein three positive terminal blocks are respectively arranged on three different surfaces of the box body (1), and three negative terminal blocks are respectively arranged on three different surfaces of the box body (1).
5. The high voltage distribution box of a dual motor hybrid system as recited in claim 4, wherein one of the positive terminals connecting the positive poles of the two motor controllers is disposed on the opposite side of the negative terminal connecting the negative poles of the motor controllers, and the other is disposed on the same surface of the negative terminal connecting the negative poles of the motor controllers.
6. A high voltage distribution box for a hybrid system with two motors according to claim 1, characterized in that the connection terminal for the positive pole of the power supply and the connection terminal for the negative pole of the power supply are arranged on the same surface of the box body (1).
7. The high-voltage distribution box of the double-motor hybrid power system according to claim 1, characterized in that the number of the connecting terminals on the surface of the box body (1) provided with the connecting terminals is one or two, one connecting terminal is arranged in the center of the box body (1), and the two connecting terminals are symmetrically arranged with the center line of the surface of the box body (1) as an axis.
8. The high-voltage distribution box of the double-motor hybrid power system according to claim 1, wherein the corner of the bottom plate of the box body (1) is provided with a bolt fixing groove (101).
9. The high voltage distribution box of a two-motor hybrid system according to claim 1, characterized in that the positive terminal plate (31) and the negative terminal plate (32) are isolated by a high voltage insulating material.
10. A high voltage distribution box for a hybrid system with two motors according to claim 1, characterized in that the box body (1) is a right square prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320568888.3U CN219659221U (en) | 2023-03-21 | 2023-03-21 | High-voltage distribution box of double-motor hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320568888.3U CN219659221U (en) | 2023-03-21 | 2023-03-21 | High-voltage distribution box of double-motor hybrid power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219659221U true CN219659221U (en) | 2023-09-08 |
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ID=87861521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320568888.3U Active CN219659221U (en) | 2023-03-21 | 2023-03-21 | High-voltage distribution box of double-motor hybrid power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219659221U (en) |
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2023
- 2023-03-21 CN CN202320568888.3U patent/CN219659221U/en active Active
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