CN108790916B

CN108790916B - Electric automobile charging system

Info

Publication number: CN108790916B
Application number: CN201810720247.9A
Authority: CN
Inventors: 徐颖
Original assignee: GAC Honda Automobile Co Ltd
Current assignee: GAC Honda Automobile Co Ltd
Priority date: 2018-07-03
Filing date: 2018-07-03
Publication date: 2020-12-01
Anticipated expiration: 2038-07-03
Also published as: CN108790916A

Abstract

The invention discloses an electric vehicle charging system, which relates to the field of electric vehicle charging equipment. The invention has the beneficial effects that: this scheme realizes that electric automobile charges the automation of head and pulls out and inserts, and has extremely strong adaptability, can not lead to being difficult to combine socket and plug because of wheel tire pressure problem, and sets up square gasbag through the socket rear portion, and at the gas filled in-process of gasbag, socket and plug are the process of progressively rocking the grafting, simulate out the action that the people hand rocked the grafting and extracted charging plug through simple technical means, all played increase of service life's effect to plug and socket.

Description

Electric automobile charging system

Technical Field

The invention relates to the field of electric automobile charging equipment, in particular to an electric automobile charging system.

Background

The charging mode that present electric automobile charges uses mostly to fill electric pile, when using to fill electric pile, needs the manual work to insert the charging wire into the mouth that charges of car. And the charging plug is manually pulled out after the charging is finished. The patent with application number 200910146562.6, "automatic charging device of electric motor car" provides an automatic charging scheme of electric automobile, and it has realized electric automobile's automatic charging mode, but has the technical limit that needs set up the car mouth that charges in the car bottom. And do not know the concrete transmission mode of three degrees of freedom linkage through its technical scheme, and can think from its figure that it mainly adopts the removal mode that combines auxiliary positioning pole similar to the lead screw formula, through this scheme, can appear because the interference of lead screw leads to the problem of the charging seat of location bottom that can not be good. On the other hand, because the charging seat sets up in the bottom, so the physical injury that probably receives can be more, if set up the charging seat at the car rear portion, then because car tire pressure scheduling problem, position factor such as the height that can lead to the charging seat is not a invariable state, and realizes through complicated sensing mechanism, can make the device cost increase, simultaneously because it is outdoor installation sensing mechanism to fill electric pile itself and receive the influence of external factor and can cause unable accurate positioning greatly.

Disclosure of Invention

In order to achieve the above object, the present invention provides a charging system for an electric vehicle.

The technical scheme is that the electric vehicle charging system comprises upright posts positioned on two sides of the rear part of a parking space of an electric vehicle and a ceiling arranged at the tops of the upright posts, wherein a charging pile is arranged between the two upright posts, a charging head of the charging pile horizontally faces to one side where a vehicle enters, a charging seat corresponding to the charging head is fixedly arranged on the rear part or the front part of the electric vehicle, and the charging seat is electrically connected with a battery of the electric vehicle;

a track is arranged between the two upright posts, the charging pile is connected with the track, and the charging pile moves along the track;

the charging seat includes the frame, frame and automobile body fixed connection, and the frame endotheca is equipped with the charging panel, on the charging panel with the head correspondence that charges is provided with the mouth that charges, the periphery of charging panel is encircleed and is set up the bar gasbag, and the charging panel passes through the bar gasbag and is connected with the inside wall of frame.

Preferably, the charging pile further comprises a vertical telescopic rod arranged at the lower part of the charging head, the lower part of the vertical telescopic rod is connected with a charging base, one side, facing the track, of the charging base is connected with a moving block through a horizontal telescopic rod, and the moving block is connected with the track;

the two ends of the track are fixedly connected with the upright posts, the middle of the track is provided with a rack with teeth arranged downwards, the track penetrates through the moving block, and a gear meshed with the rack of the track is arranged inside the moving block.

Preferably, the charging port is provided with a bell mouth toward the charging head.

Preferably, a square air bag is arranged between the back plate of the charging plate and the vehicle body, the square air bag is connected with a ventilation pump through an air pipe, and an electromagnetic valve is arranged at the joint of the square air bag and the air pipe; the horn mouth is provided with a sensor, and the air pump, the sensor and the microcontroller form a control path. Photoelectric sensor or infrared sensor are all selected for use to the sensor, and when the head that charges got into the scope of horn mouth, the air pump is aerifyd square airbag, under square airbag's supplementary, pushes the charging panel to the first direction that charges to help the head that charges and the good grafting of charging panel. And because the square air bag is adopted as an auxiliary mechanism for applying force, the problem that the position accuracy of the charging head is caused when the tire pressure of the vehicle changes is solved by combining the strip-shaped air bag, the position difference between the charging head and the charging port is allowed to a certain degree unlike rigid insertion of push rods and the like.

Preferably, the strip-shaped air bag is communicated with the air pump through another air pipe. The electromagnetic valve is also arranged at the joint of the strip-shaped air bag and the air pipe. The strip-shaped air bag can be in an inflation state in a normal state, and air in the strip-shaped air bag can be pumped away through the air pump, so that the charging port is ensured to be positioned at the center of the outer frame.

Preferably, the bottom of the charging pile is provided with a roller.

Preferably, two side rods are arranged at the bottoms of the two upright posts and towards the front of the parking position of the electric vehicle, and the side rods are arranged by being attached to the ground;

the inner sides of the two side rods are symmetrically provided with a cart pulling mechanism;

the cart pulling mechanism comprises a driving part connected with the side rods, a fixed rod is arranged at one end of the driving part facing the stand column, a limiting rod is arranged at the other end of the driving part, and the driving part is fixedly connected with a driven part through the fixed rod;

a distance is reserved between the driving part and the driven part, the distance of the distance is greater than the thickness of the electric vehicle wheel, the limiting rod is arranged on one side, facing the driven part, of the driving part, and the limiting rod is a telescopic rod; the driven part is provided with a limiting hole corresponding to the limiting rod;

a traction mechanism which moves along the side lever body is arranged in the side lever, and the movable end of the traction mechanism is connected with the driving part; traction mechanism selects to set up a side lever lead screw in the side lever body of rod, and sets up the connecting block rather than threaded connection on this side lever lead screw, and this connecting block and initiative portion fixed connection drive the side lever lead screw in the side lever through a motor and rotate, drive the pull mechanism and remove along the side lever under its rotation, through pull the steady pull-in parking stall of electric motor car that the mechanism will park.

The initial state of the limiting rod is a contraction state, the opening of the space between the driving part and the driven part is guaranteed, when a vehicle needs to be pulled, the pulling mechanism is driven by the pulling mechanism to move to the wheel of the vehicle, the driving part and the driven part are respectively located on two sides of the wheel, and after the wheel enters the space between the driving part and the driven part, the limiting rod stretches out like the driven part and goes deep into the limiting hole. The pulling mechanism is driven by the pulling mechanism to slowly pull the vehicle into the parking space.

Preferably, the rod bodies of the fixed rod and the limiting rod are sleeved with rollers; the bottom of the driving part and the bottom of the driven part are both provided with rollers.

Preferably, the side lever and the driving part are connected by an electric push rod. One end of the side rod far away from the upright post is provided with a distance sensor, and the driving part is pushed by a proper distance by judging the distance between the wheel and the side rod, so that the driving part and the driven part on two sides can be ensured to wrap the wheel.

Preferably, an adjusting rod is further arranged between the driving part and the driven part, the adjusting rod is parallel to the limiting rod, an adjusting screw rod is arranged in the driving part, the axial direction of the adjusting screw rod is parallel to the inner side surface of the side rod and is perpendicular to the axis of the adjusting rod, a slotted hole is formed in one side of the driven part facing the driving part, one end of the adjusting rod is in threaded connection with the adjusting screw rod, and the other end of the adjusting rod is in sliding connection with the slotted hole; the adjusting screw rod is driven by a driving part driving mechanism arranged in the driving part.

Preferably, the driving part driving mechanism comprises a driving part motor, the driving part motor is linked with a worm through a bevel gear combination, the bevel gear combination comprises a large bevel gear and a small bevel gear which are meshed with each other, the small bevel gear is arranged on a motor shaft of the motor driving part motor, the large bevel gear and the worm are coaxially arranged, the worm is meshed with a worm wheel, and the worm wheel and the adjusting screw are coaxially arranged. After the wheel enters between the driving part and the driven part, the limiting rod extends into the limiting hole, then the driving part motor drives the adjusting screw rod to rotate, and under the action of the adjusting screw rod, the adjusting rod is close to the tire and gradually approaches to the limiting rod. The automobile parking space adjusting device is characterized in that a distance sensor is arranged on a rod body of the adjusting rod and the limiting rod, the distance between the adjusting rod and the limiting rod is controlled through the distance sensor, an automobile tire can be slightly lifted off the ground in the mode, and then the automobile is pulled into a parking space through the traction mechanism.

Preferably, the roller is also sleeved on the rod body of the adjusting rod, the roller is connected with the adjusting rod and the limiting rod through the bearing, a driving wheel of the automobile is erected on the pulling mechanism when the automobile is parked, and the wheel only idles on the pulling mechanism and cannot be separated if the automobile is started under the condition that the pulling mechanism does not release the wheel, so that the anti-theft of the automobile is facilitated to a certain extent.

The technical scheme provided by the embodiment of the invention has the following beneficial effects: this scheme realizes that electric automobile charges the automation of head and pulls out and inserts, and has extremely strong adaptability, can not lead to being difficult to combine socket and plug because of wheel tire pressure problem, and sets up square gasbag through the socket rear portion, and at the gas filled in-process of gasbag, socket and plug are the process of progressively rocking the grafting, simulate out the action that the people hand rocked the grafting and extracted charging plug through simple technical means, all played increase of service life's effect to plug and socket.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.

Fig. 2 is a partially enlarged view a of fig. 1.

Fig. 3 is a schematic view of a cart pulling mechanism according to embodiment 2 of the present invention.

Fig. 4 is a schematic view of the internal structure of the cart pulling mechanism according to embodiment 2 of the present invention.

Wherein the reference numerals are: 1. charging piles; 101. a charging head; 102. a vertical telescopic rod; 103. a base; 104. a horizontal telescopic rod; 2. a charging seat; 201. an outer frame; 202. a charging plate; 203. a charging port; 204. a strip-shaped air bag; 3. a track; 4. a side bar; 5. a pulling mechanism; 51. an active part; 52. a driven part; 53. fixing the rod; 54. a limiting rod; 55. a limiting hole; 56. a drum; 57. adjusting a rod; 58. adjusting the screw rod; 59. a slot; 6 driving part driving mechanism; 61. a driving part motor; 62. a bevel gear combination; 63. a worm.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; 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 in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

Referring to fig. 1 and 2, the invention provides an electric vehicle charging system, which comprises upright posts positioned at two sides of the rear part of a parking space of an electric vehicle and a ceiling arranged at the tops of the upright posts, wherein a charging pile 1 is arranged between the two upright posts, a charging head 101 of the charging pile 1 horizontally faces to one side where a vehicle enters, a charging seat 2 corresponding to the charging head 101 is fixedly arranged at the rear part or the front part of the electric vehicle, and the charging seat 2 is electrically connected with a battery of the electric vehicle;

a track 3 is arranged between the two upright posts, the charging pile 1 is connected with the track 3, and the charging pile 1 moves along the track 3;

charging seat 2 includes frame 201, frame 201 and automobile body fixed connection, and frame 201 endotheca is equipped with charging panel 202, and charging panel 202 is last to correspond with head 101 that charges and is provided with mouthful 203 that charges, and charging panel 202's periphery is encircleed and is set up bar gasbag 204, and charging panel 202 passes through bar gasbag 204 and is connected with the inside wall of frame 201.

The charging pile 1 further comprises a vertical telescopic rod 102 arranged at the lower part of the charging head 101, the lower part of the vertical telescopic rod 102 is connected with a charging base 103, one side, facing the track 3, of the charging base 103 is connected with a moving block 105 through a horizontal telescopic rod 104, and the moving block 105 is connected with the track 3;

the two ends of the track 3 are fixedly connected with the upright posts, the middle of the track 3 is provided with a rack with teeth arranged downwards, the track 3 penetrates through the moving block 105, and a gear meshed with the rack of the track 3 is arranged inside the moving block 105.

Charging port 203 is provided with a bell mouth toward charging head 101.

A square air bag is arranged between the back plate of the charging plate 202 and the vehicle body, the square air bag is connected with a ventilation pump through an air pipe, and an electromagnetic valve is arranged at the joint of the square air bag and the air pipe; the horn mouth is provided with a sensor, and the air pump, the sensor and the microcontroller form a control path. Photoelectric sensor or infrared sensor are selected for use to the sensor, and when the head 101 that charges got into the scope of horn mouth, the air pump inflated square airbag, under square airbag's supplementary down, pushed charging panel 202 to the head 101 direction that charges to help the head 101 that charges and the good grafting of charging panel 202. And because the square air bag is adopted as an auxiliary mechanism for applying force, unlike the rigid insertion of push rods and the like, the combination of the strip-shaped air bag 204 can allow a certain degree of position difference between the charging head 101 and the charging port 203, so that the problem of the position accuracy of the charging head caused by the change of the tire pressure of the vehicle is solved.

The strip-shaped air bag 204 is communicated with the air pump through another air pipe. The electromagnetic valve is also arranged at the joint of the strip-shaped air bag 204 and the air pipe. The strip-shaped airbag 204 can be in an inflated state normally, and the air in the strip-shaped airbag 204 can be pumped out by the air pump, so that the charging port 203 is ensured to be positioned at the center of the outer frame 201.

Fill electric pile 1 bottom and set up the gyro wheel.

A sensor is provided between the charging pad 202 and the charging head 101, and the matching positioning is performed by the sensor.

Fill electric pile 1's drive mode can adopt the position sensor technique among the prior art, like infrared sensor, perhaps sets up before the parking stall and sweeps modes such as sign indicating number trigger. After the vehicle is parked, the charging post 1 moves on the rail 3, the charging head 101 is aligned with the charging port 203 by adjusting the height of the upper vertical extension rod 102, and then the horizontal extension rod 104 pushes the charging head 101 toward the charging port 203. The strip-shaped airbag 204 and the square-shaped airbag are inflated by the air pump, thereby assisting the charging port 101 and the charging port 203 in combination.

Example 2

Referring to fig. 3 and 4, on the basis of embodiment 1, two side rods 4 are arranged at the bottoms of two upright posts and towards the front of a parking position of the electric vehicle, and the side rods 4 are arranged to be attached to the ground;

the inner sides of the two side rods 4 are symmetrically provided with a cart pulling mechanism 5;

the cart pulling mechanism 5 comprises a driving part 51 connected with the side lever 4, one end of the driving part 51 facing the upright post is provided with a fixed rod 53, the other end is provided with a limiting rod 54, and the driving part 51 is fixedly connected with a driven part 52 through the fixed rod 53;

a distance is reserved between the driving part 51 and the driven part 52, the distance of the distance is greater than the thickness of the electric vehicle wheel, the limiting rod 54 is arranged on one side of the driving part 51 facing the driven part 52, and the limiting rod 54 is a telescopic rod; the driven part 52 is provided with a limit hole 55 corresponding to the limit rod 54;

a traction mechanism which moves along the rod body of the side lever 4 is arranged in the side lever 4, and the movable end of the traction mechanism is connected with the driving part 51; traction mechanism selects to set up a side lever lead screw in the side lever 4 body of rod, and sets up the connecting block rather than threaded connection on this side lever lead screw, and this connecting block and initiative portion 51 fixed connection drive the side lever lead screw in the side lever 4 through a motor and rotate, drive pull mechanism 5 and remove along the side lever under its rotation, through pull mechanism 5 with the steady pull-in parking stall of the electric motor car that needs to park in.

The initial state of the limiting rod 54 is a contraction state, so that the opening of the distance between the driving part 51 and the driven part 52 is ensured, when the automobile needs to be pulled, the pulling mechanism is driven by the pulling mechanism to move to the wheel of the automobile, the driving part 51 and the driven part 52 are respectively positioned at two sides of the wheel, and after the wheel enters the space between the driving part 51 and the driven part 52, the limiting rod 54 extends out like the driven part 52 and extends into the limiting hole 55. The pulling mechanism 5 is driven by the pulling mechanism to slowly pull the vehicle into the parking space.

The rod bodies of the fixed rod 53 and the limiting rod 54 are sleeved with rollers 56; the driving portion 51 and the driven portion 52 are provided with rollers at the bottom.

The side lever 4 is connected with the driving part 51 through an electric push rod. A distance sensor is arranged at one end of the side rod 4 far away from the upright column, and the driving part 51 is pushed by a proper distance by judging the distance between the wheel and the side rod, so that the driving part 51 and the driven part 52 on two sides can be ensured to wrap the wheel.

By wrapping the wheels with the driving part 51 and the driven part 52, the automobile is pulled to the parking space by pulling the limiting rod 54 of the driving part 51.

Example 3

Referring to fig. 3 and 4, on the basis of embodiment 2, an adjusting rod 57 is further disposed between the driving portion 51 and the driven portion 52, the adjusting rod 57 is parallel to the limiting rod 54, an adjusting screw 58 is disposed in the driving portion 51, an axial direction of the adjusting screw 58 is parallel to an inner side surface of the side rod and perpendicular to an axis of the adjusting rod 57, a slot is disposed on one side of the driven portion 52 facing the driving portion 51, one end of the adjusting rod 57 is in threaded connection with the adjusting screw 58, and the other end is in sliding connection with the slot 59; the adjustment screw 58 is driven by the drive section drive mechanism 6 provided in the drive section 51.

The driving part driving mechanism 6 comprises a driving part motor 61, the driving part motor 61 is linked with a worm 63 through a bevel gear combination 62, the bevel gear combination 62 comprises a large bevel gear and a small bevel gear which are meshed with each other, the small bevel gear is arranged on a motor shaft of the motor driving part motor 61, the large bevel gear and the worm 63 are coaxially arranged, the worm 63 is meshed with a worm wheel, and the worm wheel and the adjusting screw 58 are coaxially arranged. When the wheel enters between the driving part 51 and the driven part 52, the limit rod 54 extends into the limit hole 55, then the driving part motor 61 drives the adjusting screw 58 to rotate, and under the action of the adjusting screw 58, the adjusting rod 57 is close to the tire and gradually approaches the limit rod 54. Distance sensors are arranged on the rod bodies of the adjusting rod 57 and the limiting rod 54, the distance between the adjusting rod 57 and the limiting rod 54 is controlled through the distance sensors, the automobile tire can be slightly lifted off the ground in this way, and then the automobile is pulled into a parking space through a traction mechanism.

The roller 56 is also sleeved on the rod body of the adjusting rod 57, the roller 56 is connected with the adjusting rod 57 and the limiting rod 54 through bearings, the driving wheel of the automobile is erected on the pulling mechanism 5 during parking, and under the condition that the pulling mechanism 5 does not release the wheels, if the automobile is started, the wheels only idle on the pulling mechanism and cannot be separated, so that the anti-theft of the automobile is facilitated to a certain degree.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An electric vehicle charging system comprises upright posts positioned on two sides of the rear part of a parking space of an electric vehicle and a ceiling arranged at the tops of the upright posts, wherein a charging pile (1) is arranged between the two upright posts, and is characterized in that a charging head (101) of the charging pile (1) horizontally faces to one side where a vehicle enters, a charging seat (2) corresponding to the charging head (101) is fixedly arranged on the rear part or the front part of the electric vehicle, and the charging seat (2) is electrically connected with a battery of the electric vehicle;

a track (3) is arranged between the two upright posts, the charging pile (1) is connected with the track (3), and the charging pile (1) moves along the track (3);

the charging seat (2) comprises an outer frame (201), the outer frame (201) is fixedly connected with an automobile body, a charging panel (202) is sleeved in the outer frame (201), a charging port (203) is formed in the charging panel (202) and corresponds to the charging head (101), a strip-shaped air bag (204) is arranged around the periphery of the charging panel (202), and the charging panel (202) is connected with the inner side wall of the outer frame (201) through the strip-shaped air bag (204);

the charging port (203) is provided with a horn mouth towards one side of the charging head (101);

a square air bag is arranged between the back plate of the charging plate (202) and the vehicle body, and the square air bag is connected with a ventilation pump through an air pipe; a sensor is arranged at the bell mouth, and the air pump, the sensor and the microcontroller form a control path;

the strip-shaped air bag (204) is communicated with the air pump through another air pipe.

2. The electric vehicle charging system according to claim 1, wherein the charging pile (1) further comprises a vertical telescopic rod (102) arranged at the lower part of the charging head (101), the lower part of the vertical telescopic rod (102) is connected with a charging base (103), one side of the charging base (103) facing the track (3) is connected with a moving block (105) through a horizontal telescopic rod (104), and the moving block (105) is connected with the track (3);

the two ends of the track (3) are fixedly connected with the upright posts, the middle of the track is provided with a rack with teeth arranged downwards, the track (3) penetrates through the moving block (105), and a gear meshed with the rack of the track (3) is arranged inside the moving block (105).

3. The electric vehicle charging system according to claim 1, wherein a roller is arranged at the bottom of the charging pile (1).