CN112498140A

CN112498140A - Charging device for automobile and electric automobile

Info

Publication number: CN112498140A
Application number: CN202011540439.5A
Authority: CN
Inventors: 胡兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-03-16

Abstract

The application provides a charging device for car, includes: install in the high voltage distribution box, battery and the direct current socket that charges of car, the high voltage distribution box with the battery links to each other, the direct current socket that charges through the socket pencil that charges with the high voltage distribution box links to each other, the direct current socket that charges is used for connecting the direct current rifle head that charges to the battery charges. The charging machine is installed in the automobile and connected with an input cable and a branch wiring harness, the input cable penetrates out of a charging hole of the automobile, the input cable is used for being connected with an alternating current power grid, the branch wiring harness is connected in parallel with the charging socket wiring harness in the direct current charging socket, and the branch wiring harness is connected with the charging machine through a connector. The safety of use is high, and it is more convenient to use, and is with low costs.

Description

Charging device for automobile and electric automobile

Technical Field

The invention belongs to the technical field of electric automobiles, and particularly relates to an electromechanical automobile with a charging device for an automobile.

Background

The current automobile charging mode in the market is shown in fig. 10, when charging, a charging plug of an alternating current input cable is connected with an alternating current power grid, the alternating current input cable is connected to an external charger to perform alternating current-direct current conversion, and a direct current output cable and a direct current charging gun head charge an automobile through a direct current charging socket.

This mode of charging operation is complicated, and external machine that charges exposes outside, probably intakes when using outdoors, has the potential safety hazard to this kind of mode of charging's charging device all need adopt the direct current rifle head that charges, increases the device cost, uses at every turn and all need carry out the plug and accomodate alone to the direct current rifle head that charges moreover, and it is not very convenient to use.

Disclosure of Invention

In order to solve the defects of the prior art, the charging device for the automobile is provided, the charger is arranged in the automobile, so that the influence of rainwater can be effectively avoided, the use safety is improved, the input cable can be connected with an alternating current power grid after being directly drawn out when being arranged in the automobile for use, the use is more convenient, the direct current charging gun head can be reduced, and the cost is saved.

In order to realize the purpose of the invention, the following scheme is adopted:

a charging device for an automobile, comprising: install in the high voltage distribution box, battery and the direct current socket that charges of car, the high voltage distribution box with the battery links to each other, the direct current socket that charges through the socket pencil that charges with the high voltage distribution box links to each other, the direct current socket that charges is used for connecting the direct current rifle head that charges to the battery charges.

The charging machine is installed in the automobile and connected with an input cable and a branch wiring harness, the input cable penetrates out of a charging hole of the automobile, the input cable is used for being connected with an alternating current power grid, the branch wiring harness is connected in parallel with the charging socket wiring harness in the direct current charging socket, and the branch wiring harness is connected with the charging machine through a connector.

Further, the charger is provided with an AC/DC module, a conversion controller and a reverse connection protection module, wherein the AC/DC module is used for converting alternating current input by the alternating current grid into direct current and performing boosting processing through the conversion controller to control a voltage range, and the reverse connection protection module is used for guaranteeing the safety of the charger.

Furthermore, the input cable adopts a spring cable with a spiral structure and elasticity.

Further, the connector structure adopts a clip connector structure or a receptacle connector structure.

Furthermore, the input cable is connected with an alternating current power grid through an alternating current three-pin plug, a fixing seat matched with the three-pin plug is arranged in the automobile charging hole, and three pins of the three-pin plug are respectively fixed in the fixing seat.

Furthermore, the installation position of the connector on the charger is designed according to the installation layout of the automobile.

An electric automobile comprises the charging device.

Furthermore, the charger is arranged in a trunk of the automobile by adopting a support made of insulating materials.

Furthermore, a storage box is arranged in a trunk of the automobile and used for storing the input cable.

The invention has the beneficial effects that:

1. the charger is arranged inside a vehicle, can be normally charged in rainy days, is free of field limitation, and is safe and reliable. The safety when having promoted the use reduces the requirement to service environment, even also can use under outdoor rainwater weather.

2. The charging device comprises a charging gun head, an output cable, an external charger and an input cable, and the charging device comprises the charger and the input cable.

3. The operation is simpler, and the operation steps in the prior art are as follows: the charger is first taken out, the ac input cable is connected to the ac power grid, and the charging gun is connected to the vehicle. When the AC power supply is used, only the input cable needs to be drawn out and connected with an AC power grid.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

FIG. 1 illustrates one embodiment of the present application;

FIG. 2 shows the configuration of the interior of an automotive charging aperture;

FIG. 3 illustrates one embodiment of a connector;

FIG. 4 shows another embodiment of a connector;

fig. 5 shows a constitutional view of the present application;

FIG. 6 illustrates a circuit connection schematic of the present application;

FIG. 7 shows an installed state diagram of the connector;

FIG. 8 shows another installed state view of the connector;

FIG. 9 shows a view of the connector in an installed state;

fig. 10 shows a state of use diagram of the prior art.

The labels in the figure are: the system comprises a 1-alternating current power grid, a 2-automobile, a 3-high voltage distribution box, a 4-battery, a 11-three-pin plug, a 12-alternating current input cable, a 13-external charger, a 14-direct current output cable, a 15-direct current charging gun head, a 16-direct current charging socket, a 17-charging socket wiring harness, a 21-input cable, a 22-charger, a 23-branch wiring harness, a 24-connector and a 25-fixed seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

As shown in fig. 5 and 10, the conventional charging device includes: install in high voltage distribution box 3, battery 4 and the direct current socket 16 that charges of car 2, high voltage distribution box 3 links to each other with battery 4, and direct current socket 16 that charges links to each other with high voltage distribution box 3 through charging socket pencil 17, and direct current socket 16 that charges is used for connecting direct current rifle head 15 and charges to battery 4, and direct current rifle head 15 that charges links to each other with external machine 13 that charges through direct current output cable 14, and external machine 13 that charges is connected with alternating current electric wire netting 1 through alternating current input cable 12.

As shown in fig. 1 and 5, the charging device for an automobile further includes a charger 22 for converting ac power into dc power and charging the battery 4 through the high voltage distribution box 3. The charger 22 is installed in the automobile 2, the charger 22 is connected with an input cable 21 and a branch line harness 23, the input cable 21 penetrates out of a charging hole of the automobile 2, the input cable 21 is used for being connected with the alternating current power grid 1, and the branch line harness 23 is connected with the charger 22 through a connector 24.

More specifically, the branch harness 23 is connected in parallel with the charging outlet harness 17 within the dc charging outlet 16 as shown in fig. 6. The lines of DC + and DC of the branch wiring harness 23 are respectively in pressure connection with the lines a and b of the charging socket wiring harness in two wiring holes of the direct current charging socket 16; the GND wire and the c wire are in common pressure joint; the CC2 cable is in common pressure joint with the g wire; the remaining cables are connected in the manner shown in fig. 6.

The charging device can be additionally installed after the finished automobile is produced. The rear end user or manufacturer can communicate with the whole vehicle manufacturer to reserve the mounting position of the charger 22 and the leading-out interface of the input cable 21, and the charging socket wire harness in the original vehicle is separated into a branch.

More specifically, as shown in fig. 6, the charger 22 is provided with an AC/DC module, a conversion controller, and a reverse connection protection module, wherein the AC/DC module is configured to convert AC power input by the AC power grid 1 into DC power, and perform boosting processing by the conversion controller, so as to control a voltage range, and the reverse connection protection module is configured to ensure safety of the charger 22.

Preferably, in order to automatically retract the input cable 21, the input cable 21 is made of a spring cable having a spiral structure and elasticity. The automobile 2 is provided with a rubber ring corresponding to the side wall of the hole penetrating through the input cable 21 to prevent metal from scratching the input cable 21.

More specifically, to facilitate disassembly, the connector 24 may be configured as a clip connector as shown in fig. 3 or as a receptacle connector as shown in fig. 4.

Preferably, the input cable 21 is connected to the ac power grid 1 through the ac three-pin plug 11, as shown in fig. 2, a fixing seat 25 matched with the three-pin plug 11 is disposed in the charging hole of the vehicle 2, and three pins of the three-pin plug 11 are respectively fixed in the fixing seat 25 for fixing the three-pin plug 11 to prevent the three-pin plug 11 from shaking to generate abnormal sound during driving.

Preferably, in order to facilitate the installation of the charger 22 and the routing layout of the cables, the installation position of the connector 24 on the charger 22 may be designed as shown in fig. 7 to 9 according to the installation layout design of the automobile 2.

Example 2

An electric automobile comprises the charging device.

Preferably, the charger 22 is installed in a trunk of the automobile 2 by using a support made of an insulating material, sound insulation cotton or a gasket is usually distributed in a trunk of the automobile 2, and in order to prevent heat of the charger 22 from being dissipated when the charger is used, the charger 22 is installed by using the support, and meanwhile, in order to prevent electric leakage of the charger 22 when the charger is charged, the support is made of the insulating material to increase safety.

Preferably, a storage box for storing the input cables 21 is provided in the trunk of the automobile 2 to facilitate storage of the input cables 21 and prevent the input cables 21 from being scattered in the trunk.

The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.

Claims

1. A charging device for an automobile, comprising: the high-voltage charging system comprises a high-voltage distribution box (3), a battery (4) and a direct-current charging socket (16), wherein the high-voltage distribution box (3) is installed on an automobile (2), the battery (4) is connected with the high-voltage distribution box (3), the direct-current charging socket (16) is connected with the high-voltage distribution box (3) through a charging socket wiring harness (17), and the direct-current charging socket (16) is used for connecting a direct-current charging gun head (15) to charge the battery (4);

still include charger (22) for convert the alternating current to the direct current and charge to battery (4), charger (22) are installed in car (2), charger (22) are connected with input cable (21) and branch road pencil (23), input cable (21) are followed the hole position that charges of car (2) is worn out, input cable (21) are used for linking to each other with alternating current electric wire netting (1), branch road pencil (23) are in direct current charging socket (16) with charging socket pencil (17) are parallelly connected, branch road pencil (23) with connect through connector (24) between charger (22).

2. The charging device for the automobile according to claim 1, wherein the charger (22) is provided with an AC/DC module, a conversion controller and a reverse connection protection module, the AC/DC module is used for converting alternating current input by the alternating current grid (1) into direct current, the voltage is boosted by the conversion controller, the voltage range is controlled, and the reverse connection protection module is used for ensuring the safety of the charger (22).

3. A charging device for a vehicle according to claim 1, wherein said input cable (21) is a spring cable having a helical structure and flexibility.

4. A charging arrangement for a motor vehicle according to claim 1, characterised in that the connector (24) arrangement is a clip connector arrangement or a receptacle connector arrangement.

5. The charging device for the automobile according to claim 1, wherein the input cable (21) is connected with an alternating current power grid (1) through an alternating current three-pin plug (11), a fixing seat (25) matched with the three-pin plug (11) is arranged in a charging hole of the automobile (2), and three pins of the three-pin plug (11) are respectively fixed in the fixing seat (25).

6. A charging device for a motor vehicle according to claim 1, characterized in that the mounting position of the connector (24) on the charger (22) is designed according to the mounting layout of the motor vehicle (2).

7. An electric vehicle characterized by comprising the charging device according to any one of claims 1 to 6.

8. An electric vehicle according to claim 7, characterized in that the charger (22) is mounted in the trunk of the vehicle (2) by a bracket made of insulating material.

9. An electric vehicle according to claim 7, characterized in that a storage box is arranged in the trunk of the vehicle (2) for storing the input cable (21).