阅读说明：本技术 一种电动汽车 (Electric automobile ) 是由 袁平定 胡丙群 郭胜军 方春阳 穆贝贝 李晓虎 谢春洋 王杨阳 吴海航 宋兴华 于 2018-06-05 设计创作，主要内容包括：本发明涉及一种电动汽车。电动汽车包括用于与充电单元配合进行充电的受电单元,所述受电单元包括与车体固连的固定架以及连接在固定架上的活动架,活动架被驱动机构带动而能相对固定架直线动作,活动架上设置有与充电单元的充电电极相配的受电电极,活动架在其直线动作行程中具有使受电电极脱离和接触充电电极的收起位和充电位,车体上还设有控制活动架在收起位和充电位之间切换的控制单元,控制单元连接有在活动架向充电位移动时检测其是否到位并发送给控制单元使活动架停止动作的信号的检测单元。充电过程由控制单元智能操控,相比传统手动操作的充电方式更加智能化,且充电更加方便。(The invention relates to an electric automobile. Electric automobile is including being used for carrying out the current-receiving unit that charges with the charging unit cooperation, the current-receiving unit includes the mount that links firmly with the automobile body and connects the adjustable shelf on the mount, the adjustable shelf is driven by actuating mechanism and can the mount linear motion relatively, be provided with the current-receiving electrode that matches with the charging electrode of charging unit on the adjustable shelf, the adjustable shelf has the position of packing up and the position of charging that makes the current-receiving electrode break away from and contact the charging electrode in its linear motion stroke, still be equipped with the control unit that the control movable shelf switched between packing up the position and the position of charging on the automobile body, the control unit is connected with and detects whether it targets in place and send the detecting element that makes the adjustable shelf stop the signal of action for the control unit when the. The charging process is controlled by the control unit intelligence, compares traditional manually operation's the mode of charging more intelligent, and it is more convenient to charge.)

1. The utility model provides an electric automobile, characterized by, including being used for carrying out the current-receiving unit that charges with the unit cooperation of charging, the current-receiving unit includes the mount that links firmly with the automobile body and connects the adjustable shelf on the mount, the adjustable shelf is driven by actuating mechanism and can be the mount sharp action relatively, be provided with the current-receiving electrode that matches with the charging electrode of charging unit on the adjustable shelf, the adjustable shelf has the position of packing up and the position of charging that makes the current-receiving electrode break away from and contact the charging electrode in its sharp action stroke, still be equipped with the control unit that switches between packing up the position and the position of charging of control movable shelf on the automobile body, the control unit is connected with and detects whether it targets in place and sends the detecting element that makes the adjustable shelf stop the.

2. The electric vehicle according to claim 1, wherein the power receiving unit further comprises at least one elastic support structure for providing an elastic force to the power receiving electrode toward the charging electrode to press the power receiving electrode and the charging electrode when the movable frame is at the charging potential.

3. The electric automobile as claimed in claim 2, wherein the elastic support structure comprises a guide cylinder mounted on the fixed frame and a guide rod mounted on the movable frame, the guide rod is movable in the guide cylinder, and an elastic pressing member for pressing the guide rod is further mounted in the guide cylinder.

4. The electric vehicle of claim 3, wherein the resilient biasing member is a compression spring.

5. The electric vehicle according to any one of claims 1 to 4, wherein the power receiving electrode is an elongated shape extending perpendicularly to a moving direction thereof.

6. The electric vehicle according to claim 5, wherein the elongated power receiving electrode extends along a vehicle width.

7. The electric vehicle according to any one of claims 2-4, wherein the power receiving electrode is an elongated strip extending perpendicular to the moving direction thereof, the movable frame is connected to the middle portion of the elongated power receiving electrode, and the elastic support structures are symmetrically arranged on both sides of the middle connection position.

8. The electric vehicle according to any one of claims 1 to 4, wherein the power receiving unit further comprises a shield for hermetically covering the power receiving electrode when the movable frame is in the retracted position.

9. the electric vehicle according to any one of claims 1 to 4, wherein the drive mechanism is a telescopic cylinder.

Technical Field

the invention relates to an electric automobile.

Background

With the new requirements of energy conservation and environmental protection, new energy automobiles are more and more favored by users. The traditional automobile mainly relies on fuel oil to provide power, and the oil tank can be filled in only a few minutes, so that the automobile is very convenient. New energy automobile mainly relies on the electric energy to provide power, and the usual mode of charging is to fill the rifle and the electric automobile's that charges that electric pile worn charger connection charges. This kind of mode of charging needs the butt joint of user's manual operation rifle that charges and electric automobile's charger, and when the temperature is lower, the rifle cable that charges becomes hard, and manual operation is inconvenient, and the cable is pulled everywhere and is not pleasing to the eye during charging, and meets rainy and snowy weather and also probably has the potential safety hazard.

Disclosure of Invention

The invention aims to provide an electric automobile convenient to charge.

In order to achieve the purpose, the electric automobile comprises a power receiving unit used for being matched with a charging unit to carry out charging, wherein the power receiving unit comprises a fixed frame fixedly connected with an automobile body and a movable frame connected to the fixed frame, the movable frame is driven by a driving mechanism to linearly move relative to the fixed frame, a power receiving electrode matched with a charging electrode of the charging unit is arranged on the movable frame, the movable frame is provided with a retracting position and a charging position which enable the power receiving electrode to be separated from and contact with the charging electrode in the linear movement stroke, the automobile body is also provided with a control unit which controls the movable frame to be switched between the retracting position and the charging position, and the control unit is connected with a detection unit which detects whether the movable frame is in place when the movable frame moves to the charging position and sends a signal which enables the movable.

when the detection unit detects that the movable frame reaches the charging position and sends a signal to the control unit, the control unit controls the movable frame to stop acting to start charging; after charging is finished, a charging end signal is input, the control unit controls the driving mechanism to drive the movable frame to move towards the retracting position, and the power receiving electrode is separated from the charging electrode. Whole charging process is controlled by the control unit intelligence, compares traditional manually operation's the mode of charging more intelligent, and it is more convenient to charge.

The power receiving unit further comprises at least one elastic supporting structure which provides elastic force for the power receiving electrode to face the charging electrode to press the power receiving electrode and the charging electrode when the movable frame is at a charging potential. When the movable frame is at a charging potential, the elastic supporting structure extrudes the power receiving electrode towards the charging electrode, so that a certain contact pressure is always kept between the power receiving electrode and the charging electrode, and good contact is ensured.

The elastic supporting structure comprises a guide cylinder arranged on the fixed frame and a guide rod arranged on the movable frame, the guide rod moves in the guide cylinder, and an elastic jacking part jacking the guide rod is further arranged in the guide cylinder, so that the whole power receiving unit is compact in structure.

The elastic jacking part adopts a pressure spring.

The power receiving electrode is a strip shape extending perpendicular to the moving direction of the power receiving electrode. The vehicle can not guarantee to just stop in the position of settlement when parking, if the receiving electrode is the same with the charging electrode size, then, there is probably to receive electrode and charging electrode only can partially be right or can't be right the circumstances, establishes the receiving electrode into rectangular form after the vehicle parks, has increased the receiving area, even the vehicle has the parking position of certain degree to deviate from, the receiving electrode still can be totally right with the charging electrode.

further, the elongated power receiving electrode extends along the vehicle width. In general, it is easier to control the vehicle to reach a certain set position in the front-rear direction than to reach a certain set position in the left-right direction, and the elongated power receiving electrode extends in the vehicle width direction, so that the vehicle has a larger accommodation degree for the parking position in the left-right direction, and the pair of the power receiving electrode and the charging electrode can be ensured as long as the vehicle is parked in place in the front-rear direction.

When the power receiving electrode is in a long strip shape extending perpendicular to the moving direction of the power receiving electrode, the movable frame is connected with the middle part of the long strip-shaped power receiving electrode, and the elastic supporting structures are symmetrically arranged on two sides of the middle part connecting position. Therefore, one end of the power receiving electrode can be prevented from tilting due to uneven stress.

The power receiving unit further comprises a protective cover which hermetically covers the power receiving electrode when the movable frame is in the retracted position. When not charging, the protective cover covers the receiving electrode in a sealing way, so that potential safety hazards caused by the fact that the receiving electrode is exposed outside are avoided.

The driving mechanism adopts a telescopic cylinder.

Drawings

FIG. 1 is a partial structural diagram of a power receiving unit and a charging unit in a non-charging state;

FIG. 2 is a front view of the power receiving unit and the charging unit in a non-charging state;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 5 is a schematic diagram illustrating a partial structure of a power receiving unit and a charging unit in a charging state;

Fig. 6 is a front view of the power receiving unit and the charging unit in a charging state;

FIG. 7 is a right side view of FIG. 6;

FIG. 8 is a cross-sectional view taken at A-A of FIG. 6;

In the figure: 1-a charging electrode; 2-a power receiving electrode; 3-electrode insulation board; 4-a protective cover; 5-a connecting rod; 6-a guide rod; 7-a pressure spring; 8-guide cylinder.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

The specific embodiment of the electric automobile comprises an automobile body, wherein a power receiving unit used for being matched with a charging unit for charging is mounted on the automobile body. As shown in fig. 1 to 8, the power receiving unit includes a fixed frame fixedly connected to the vehicle body and a movable frame connected to the fixed frame, and the movable frame is driven by a telescopic cylinder (not shown) to move linearly relative to the fixed frame. The movable frame comprises a connecting rod 5 connected with the output end of the telescopic cylinder, the other end of the connecting rod 5 is connected to the middle of an electrode insulating plate 3, a power receiving electrode 2 matched with a charging electrode 1 of the charging unit is installed on the electrode insulating plate 3 and connected with a vehicle-mounted battery, and the telescopic cylinder drives the connecting rod 5, the electrode insulating plate 3 and the power receiving electrode 2 to move linearly together. The movable frame has a retraction position and a charging position which enable the power receiving electrode 2 to be separated from and contacted with the charging electrode 1 in the linear motion stroke of the movable frame. The vehicle body is also provided with a control unit for controlling the movable frame to switch between the retracting position and the charging position, and the control unit is connected with a detection unit for detecting whether the movable frame is in place when the movable frame moves to the charging position and sending a signal for stopping the movable frame to the control unit.

The power receiving electrode 2 is elongated and extends in the vehicle width direction perpendicular to the moving direction. The vehicle can not guarantee to just stop in the position of settlement when parking, if the receiving electrode is the same with the charging electrode size, then, there is probably to receive electrode and charging electrode only can partially be right or can't be right the circumstances, establishes the receiving electrode into rectangular form after the vehicle parks, has increased the receiving area, even the vehicle has the parking position of certain degree to deviate from, the receiving electrode still can be totally right with the charging electrode. In general, it is easier to control the vehicle to reach a certain set position in the front-rear direction than to reach a certain set position in the left-right direction, and the elongated power receiving electrode extends in the vehicle width direction, so that the vehicle has a larger accommodation degree for the parking position in the left-right direction, and the pair of the power receiving electrode and the charging electrode can be ensured as long as the vehicle is parked in place in the front-rear direction.

The fixed frame is provided with a guide cylinder 8, and a guide rod 6 and a pressure spring 7 which is used for jacking the guide rod are arranged in the guide cylinder. The pressure spring 7 presses the power receiving electrode 2 towards the charging electrode 1, so that a certain contact pressure is always kept between the power receiving electrode 2 and the charging electrode 1, and good contact is ensured. The guide cylinder 8 is matched with the guide rod 6 to guide the movement of the movable frame. The two pressure springs 7 are symmetrically arranged on two sides of the connecting position of the connecting rod 5 and the electrode insulating plate 3, so that one end of the power receiving electrode can be prevented from tilting due to uneven stress.

The power receiving unit further comprises a protective cover 4 which hermetically covers the power receiving electrode when the movable frame is in the retracting position, and when the movable frame is not charged, the protective cover hermetically covers the power receiving electrode, so that potential safety hazards caused by the fact that the power receiving electrode is exposed outside are avoided.

Inputting a charging signal, controlling the protective cover to be opened by the control unit, controlling the telescopic cylinder to drive the movable frame to move to a charging position, enabling the power receiving electrode to linearly move to the charging electrode along with the movable frame, sending a signal to the control unit when the detection unit detects that the movable frame reaches the charging position, controlling the movable frame to stop acting by the control unit, and starting charging, wherein the pressure spring provides an acting force towards the power receiving electrode direction for the guide rod in the charging process, and the guide rod transmits the acting force to the power receiving electrode through the electrode insulating plate, so that the power receiving electrode is kept at a certain contact pressure after being contacted with the charging electrode; after charging is finished, a charging end signal is input, the control unit controls the telescopic cylinder to drive the movable frame to move towards the retracting position, the power receiving electrode moves linearly along with the deviation of the movable frame from the charging electrode until the movable frame returns to the retracting position, and the control unit controls the telescopic cylinder to stop moving and close the protective cover. Whole charging process is controlled by the control unit intelligence, compares traditional manually operation's the mode of charging more intelligent, and it is more convenient to charge.

In the above embodiment, the fixed frame is provided with the guide cylinder, the movable frame is provided with the guide rod, the guide rod moves in the guide cylinder, and the guide cylinder is further provided with the pressure spring for pressing the guide rod. In other embodiments, the connecting rod connected with the telescopic cylinder can be directly and movably installed in the guide cylinder without additionally arranging a guide rod, the guide cylinder guides the movement of the connecting rod, and the pressure spring can also be arranged in the guide cylinder.

In the above embodiment, the power receiving electrode is elongated and extends in the vehicle width direction perpendicular to the moving direction. In other embodiments, the power receiving electrode may also extend along the length of the vehicle, but the parking distance of the vehicle in the left-right direction is not well controlled, and the power receiving electrode needs to be wider to make the largest possible area contact between the power receiving electrode and the charging electrode, which increases the area of the power receiving electrode, which is not as convenient as the above embodiments. The power receiving electrode may be elongated and extend parallel to the moving direction.

In the above embodiment, two elastic support structures are symmetrically disposed on both sides of the connection position between the movable frame and the strip-shaped power receiving electrode, but the present invention is not limited thereto, and the arrangement manner and the number of the elastic support structures may be adjusted as needed.

in the above embodiment, the power receiving electrode is driven to move linearly by the telescopic cylinder. Of course, a rack and pinion mechanism, a slider-crank mechanism, a cam-follower mechanism, or the like may be employed.

in the above-described embodiment, a compression spring is employed as the elastic member to provide the pressing force to the power receiving electrode. Of course, hydraulic rods, air springs, etc. may also be used.