CN213292208U

CN213292208U - Automatic start-stop device of car, power connection circuit and car

Info

Publication number: CN213292208U
Application number: CN202021526781.5U
Authority: CN
Inventors: 李士爱; 杨亮; 周思林; 梅立涛; 李后乐; 赵德刚; 吕广伟
Original assignee: Ningbo Jirun Automobile Parts Co ltd; Zhejiang Geely Holding Group Co Ltd
Current assignee: Ningbo Jirun Automobile Parts Co ltd; Zhejiang Geely Holding Group Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-28
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses an automatic device power connection circuit that opens of automobile that stops for connect BSG motor, power connection circuit includes positive pole circuit and negative pole circuit, positive pole circuit connection BSG motor anodal with the positive pole of power, negative pole circuit connection the negative pole of BSG motor with the negative pole of power, positive pole circuit with one kind in the negative pole circuit includes BSG motor wire, power wire, BSG motor wire the power wire adopts bonding to connect the automobile body, through the automobile body switches on BSG motor wire the power wire. The utility model also discloses an automatic device that opens of opening of car, including BSG motor, power and as above the automatic device power connection circuit that opens of opening of car. The utility model also discloses an automobile, include as above automatic opening of car open device and automobile body, the automatic opening of car open the device install in the automobile body.

Description

Automatic start-stop device of car, power connection circuit and car

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to an automatic device, power connection circuit and car of opening of car.

Background

In cities, due to the fact that population and vehicles are concentrated, the operating conditions of urban vehicles are special, and due to the fact that traffic lane entrance red light stops, starting and stopping are very frequent, most of energy generated by an engine is consumed in the braking process in the mode of generating heat through friction. And because of the long-time parking working condition, the engine is in an idle running state for a long time, so that the problems of low vehicle speed, high oil consumption, serious pollution and the like are caused. Therefore, the fuel can be saved to a great extent by developing the idling starting and stopping system to eliminate the idling working condition, the vehicle economy is improved, and the wide market demand is achieved.

The idling start-stop system is improved on the basis of a traditional automobile Generator system, slight change can be made on a Generator Belt wheel system of a traditional engine so as to realize bidirectional torque transmission, and a Belt-Driven Starter Generator (BSG) mechanism is added in a common scheme. The main arrangement mode of the automobile with the start-stop function in the current market is as follows: the BSG motor is arranged in the engine room, the power battery pack is arranged in the luggage room under the limitation of space, two aluminum wires penetrating through the whole vehicle are used for respectively connecting the motor and the positive electrode and the negative electrode of the battery pack, and the negative electrode bonding is additionally arranged at the battery pack.

However, energy conservation and emission reduction are important works in the automobile industry, and light weight is an important subject of various automobile manufacturers. For the whole vehicle wire harness, especially for the high-voltage wire harness, the performance requirement, the assembly and space arrangement requirement are both required to be met, and meanwhile, the light weight contribution of the whole vehicle is also required to be considered. The two root aluminium wire technical scheme are used in the existing market, and the pencil needs to be increased and wrapped to increase a large amount of pencil backplate and support and fix, discontented the lightweight demand that needs.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reduce automatic device, power connection circuit and the car that stops that opens of car of power connection circuit pencil length.

The utility model provides an automatic device power connection circuit that opens of automobile that stops for connect BSG motor, power, a serial communication port, power connection circuit includes positive pole circuit and negative pole circuit, positive pole circuit connection BSG motor anodal with the positive pole of power, negative pole circuit connection the negative pole of BSG motor with the negative pole of power, positive pole circuit with one kind in the negative pole circuit includes BSG motor wire, power wire, BSG motor wire the power wire adopts bonding to connect the automobile body, through the automobile body switches on BSG motor wire the power wire.

Furthermore, the BSG motor is positioned in an automobile engine cabin, one end of a BSG motor wire is connected with the BSG motor, and the other end of the BSG motor wire is connected with an automobile body metal element in the automobile engine cabin.

Furthermore, the power supply is located in a trunk of the automobile, one end of the power supply lead is connected with the power supply, and the other end of the power supply lead is connected with a metal element of the automobile body in the trunk of the automobile.

Further, the positive circuit is connected by adopting a wire harness, and the negative circuit is connected with the automobile body by adopting a bonding.

Furthermore, the BSG motor is positioned in an automobile engine cabin, one end of a BSG motor wire is connected with the negative electrode of the BSG motor, and the other end of the BSG motor wire is connected with an automobile body metal structure in the automobile engine cabin.

Further, the metal structure of the automobile body in the automobile engine compartment is an automobile engine compartment longitudinal beam.

Furthermore, the power supply is located in an automobile luggage compartment, one end of the power supply lead is connected with the negative electrode of the power supply, and the other end of the power supply lead is connected with an automobile body metal structure in the automobile luggage compartment.

Further, the metal structure of the automobile body in the automobile luggage compartment is an automobile luggage compartment longitudinal beam.

The utility model also provides an automatic device that opens of opening of car, include BSG motor, power and as above the automatic device power connection circuit that opens and close that opens of car, the BSG motor links to each other with automobile engine, is used for realizing the automation of car opens and stops the function, the car circuit is connected to the power, be used for doing each components and parts power supply on the car.

The utility model also provides a car, include as above automatic opening of car open device and automobile main body, the car is automatic open the device install in the automobile main body.

The utility model provides an automatic opening of car stops device, power connecting circuit and car is through adopting one of them bonding to connect in with power connecting circuit, has reduced pencil length, alleviates pencil gross mass to realize the lightweight target, when guaranteeing the performance requirement simultaneously, the manufacturability is stronger, and less assembly man-hour reduces the assembly and does not put in place and leads to bad risk. And compared with the positive pole bonding connection, the negative pole bonding connection is adopted, so that the chemical corrosion to the frame and the vehicle body metal is relatively low, and the radio interference is small.

Drawings

FIG. 1 is a schematic diagram of the connection of the automatic start/stop device, the power connection circuit and the automobile according to the embodiment of the present invention;

fig. 2 is a schematic structural diagram of the automatic start-stop device, the power connection circuit and the automobile shown in fig. 1.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 2, a power connection circuit 30 of an automatic start/stop device for an automobile according to an embodiment of the present invention is used for connecting a BSG motor 10 and a power supply 20. The power supply connection circuit 30 includes a positive circuit 31 and a negative circuit 32, the positive circuit 31 connects the positive terminal of the BSG motor 10 and the positive terminal of the power supply 20, and the negative circuit 32 connects the negative terminal of the BSG motor 10 and the negative terminal of the power supply 20.

One of the positive circuit 31 and the negative circuit 32 includes a BSG motor wire 33 and a power supply wire 34, the BSG motor wire 33 and the power supply wire 34 are connected to an automobile body (not shown) by bonding, and the BSG motor wire 33 and the power supply wire 34 are conducted through the automobile body. The wiring harness is connected by adopting the bonding, the length of the wiring harness is reduced, the total mass of the wiring harness is reduced, the lightweight target is realized, meanwhile, the performance requirement is guaranteed, the manufacturability is stronger, the assembly time is less, and the risk of poor assembly caused by improper assembly is reduced.

When the power connection circuit 30 selects the positive electrode and the negative electrode of the bonding, the positive electrode and the negative electrode of the whole vehicle bonding circuit need to be referred to. When the whole vehicle is grounded as a positive pole, the positive pole circuit 31 in the power supply connection circuit 30 is grounded, and when the whole vehicle is grounded as a negative pole, the negative pole circuit 32 is grounded.

In this embodiment, the BSG motor 10 is located in the engine compartment of the vehicle and the power supply 20 is located in the trunk compartment of the vehicle. The positive electrode circuit 31 is connected by an aluminum wire, and the negative electrode circuit 32 is a ground circuit. The negative pole circuit 32 comprises a BSG motor lead 33 and a power supply lead 34, wherein one end of the BSG motor lead 33 is connected with the negative pole of the BSG motor 10, and the other end of the BSG motor lead is connected with a longitudinal beam (not shown) of an automobile engine compartment. One end of the power lead 34 is connected to the negative electrode of the power source 20, and the other end is connected to a longitudinal beam (not shown) of the trunk of the vehicle. By adopting the negative pole bonding connection, compared with the positive pole bonding connection, the chemical corrosion to the frame and the vehicle body metal is less aggressive, and the radio interference is small.

In other embodiments, the positive pole bonding can be selected according to the bonding attribute of the whole vehicle circuit; the wire harness may be made of copper or other conductive material in addition to aluminum; for the rest of the arrangement of the BSG motor 10 and the power supply 20, for example, the power supply 20 is arranged on the floor of the vehicle and under the rear seats, the negative pole ground can be connected to the metal structure of the vehicle body nearby.

The embodiment further provides an automatic start-stop device for an automobile, which comprises a BSG motor 10, a power supply 20 and a power supply connection circuit 30. The power supply 20 is connected to a vehicle circuit (not shown) to supply power to various electrical components of the vehicle. In the present embodiment, the vehicle is an electric or hybrid vehicle, and the power source 20 is a battery pack. In other embodiments, the vehicle may be a fuel-powered vehicle, and the power source 20 may be an on-board battery.

The BSG motor 10 is located at the front end of an automobile engine (not shown) and is connected with the engine in a belt transmission manner, and no mechanical vibration is generated in the process of power transmission through flexible connection of a belt. When the engine is started, the BSG motor 10 operates in an electric mode, the power supply 20 provides electric power to the BSG motor 10, and the BSG motor 10 outputs a forward torque to start the engine. In the power generation mode, the BSG motor 10 is caused to charge the power supply 20 by a chopper (not shown), a three-phase inverter (not shown), or the like. The BSG motor 10 can also regulate and control the rotational speed of the engine, thereby greatly improving the smoothness of the automobile in the aspects of starting and stopping, idling, gear shifting, accelerating and the like.

This embodiment still provides an automobile, includes as above automatic start-stop device of car and automobile body, and the automatic start-stop device of car is installed in the automobile body.

The automatic automobile starting and stopping device, the power supply connecting circuit and the automobile provided by the embodiment realize the automatic starting and stopping function through the home-mounted BSG motor 10 at the front end of the automobile engine. Meanwhile, one of the positive circuit 31 and the negative circuit 32 is connected to the automobile body through bonding, the bonding connection is adopted, the length of the wire harness is reduced, the total mass of the wire harness is reduced, the lightweight target is achieved, meanwhile, the manufacturability is stronger while the performance requirement is guaranteed, the assembly time is less, and the risk of poor assembly caused by improper assembly is reduced. And compared with the positive pole bonding connection, the negative pole bonding connection is adopted, so that the chemical corrosion to the frame and the vehicle body metal is relatively low, and the radio interference is small.

In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on," "disposed on" or "located on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.

In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an automatic device power connection circuit that stops that opens of car for connect BSG motor (10), power (20), its characterized in that, power connection circuit (30) include positive pole circuit (31) and negative pole circuit (32), positive pole circuit (31) are connected the positive pole of BSG motor (10) with the positive pole of power (20), negative pole circuit (32) are connected the negative pole of BSG motor (10) with the negative pole of power (20), positive pole circuit (31) with one kind in negative pole circuit (32) includes BSG motor wire (33), power wire (34), BSG motor wire (33) power wire (34) adopt bonding to connect the car automobile body, through the car automobile body switches on BSG motor wire (33) power wire (34).

2. The power connection circuit of an automatic start-stop device of an automobile as claimed in claim 1, characterized in that the BSG motor (10) is located in an engine compartment of the automobile, and one end of the BSG motor wire (33) is connected to the BSG motor (10) and the other end is connected to a metal element of the automobile body in the engine compartment of the automobile.

3. The power connection circuit of the automatic start-stop device for the automobile according to claim 1, characterized in that the power supply (20) is located in the trunk of the automobile, and one end of the power wire (34) is connected with the power supply (20) and the other end is connected with the metal element of the automobile body in the trunk of the automobile.

4. The power connection circuit of the automatic start-stop device of the automobile as claimed in claim 1, characterized in that the positive electrode circuit (31) is connected by a wire harness, and the negative electrode circuit (32) is connected with the automobile body by a bonding.

5. The power supply connection circuit of the automatic start-stop device of the automobile as claimed in claim 4, characterized in that the BSG motor (10) is located in an engine compartment of the automobile, one end of the BSG motor wire (33) is connected with the negative pole of the BSG motor (10), and the other end is connected with a metal structure of the automobile body in the engine compartment of the automobile.

6. The power connection circuit of an automatic start-stop device of an automobile as claimed in claim 5, wherein the metal structure of the automobile body in the engine compartment of the automobile is the longitudinal beam of the engine compartment of the automobile.

7. The power connection circuit of the automatic start-stop device of the automobile as claimed in claim 4, characterized in that the power supply (20) is located in the automobile trunk, one end of the power wire (34) is connected with the negative pole of the power supply (20), and the other end is connected with the metal structure of the automobile body in the automobile trunk.

8. The power connection circuit for an automatic start-stop device of an automobile according to claim 7, wherein the metal structure of the automobile body in the automobile trunk is a longitudinal beam of the automobile trunk.

9. An automatic automobile starting and stopping device is characterized by comprising a BSG motor (10), a power supply (20) and the power supply connection circuit of the automatic automobile starting and stopping device as claimed in any one of claims 1 to 8, wherein the BSG motor (10) is connected with an automobile engine to achieve the automatic starting and stopping function of an automobile, and the power supply (20) is connected with the automobile circuit to supply power to all components on the automobile.

10. An automobile, characterized by comprising the automatic start-stop device for an automobile according to claim 9 and an automobile main body in which the automatic start-stop device for an automobile is installed.