CN109204249A - Electric passenger vehicle battery altering station and its battery change method - Google Patents

Abstract

The invention relates to an electric passenger vehicle battery replacement station, comprising a positioning and lifting device, a lifting device, a replacement device, a charging rack, a charging unit and a monitoring unit. The devices are arranged in parallel and a certain space is reserved to set up the charging unit and the monitoring unit. The replacement device walks on the longitudinal track connected between the lifting device and the positioning and lifting device; the positioning and lifting device locates and lifts the battery-changing vehicle, and the replacement device is completed. Loading and unloading of the power battery of the battery swapping vehicle, and moving the power battery into the lifting device, the replacement device is lifted by the lifting device and can walk laterally in the charging rack to complete the exchange of the power battery, and the exchanged power battery is automatically charged in the charging rack. The power exchange station involved in the invention has the advantages of simple structure, strong environmental adaptability, sufficient space utilization, small footprint and easy expansion, which provides convenience for popularizing the battery replacement mode of electric passenger vehicles.

Description

Electric passenger car battery replacement station and battery replacement method

technical field

The invention belongs to the field of electric vehicle charging and exchanging. In particular, it relates to an electric passenger vehicle battery replacement station and a battery replacement method thereof that provides power to equipment by hydraulic means.

Background technique

With the development of society, limited oil resources and environmental problems have become increasingly prominent, which makes new energy vehicles more and more attention of the society. Since electric vehicles have the following advantages: no pollution, low noise, simple structure, convenient use and maintenance, and high energy conversion efficiency, in recent years, with the rapid increase in the number of electric vehicles, the corresponding charging stations and swapping stations have also been obtained. rapid development.

Existing power exchange stations all use electric motors as power actuators, which take up a lot of space, are noisy, and have high costs. The power-swapping vehicles run around the clock, especially in abnormal weather. It is often brought in, and the existing power exchange station cannot adapt, which brings problems such as unstable equipment operation and increased maintenance workload of operators.

SUMMARY OF THE INVENTION

In view of the above situation, the present invention provides an electric passenger vehicle battery replacement station powered by hydraulic means, including a positioning and lifting device, a lifting device, a replacement device, a charging rack, a charging unit and a monitoring unit. The device is arranged between two sets of the charging racks, the lifting device is arranged in parallel with the positioning and lifting device, and the charging unit and the charging unit are arranged between the lifting device and the positioning and lifting device. The monitoring unit, the positioning and lifting device positions and lifts the battery-swapping vehicle, the replacement device moves along the longitudinal track between the lifting device and the positioning and lifting device, and the replacement device completes the replacement. Loading and unloading the power battery on the electric vehicle, and moving the power battery into the lifting device, the replacement device is lifted by the lifting device, and the replacement device can walk laterally in the charging rack to complete the replacement of the power battery , the exchanged power battery is automatically charged in the charging rack; the positioning and lifting device includes a mounting platform, a front wheel positioning device, a rear wheel positioning device, a front ramp and a rear ramp; the lifting device includes A fixing unit, a lifting unit and a winding unit, a hydraulic cylinder and a pulley block are arranged above the fixing unit, a wire rope and a sliding ring are provided on the lifting unit, and the steel wire rope is connected with the hydraulic cylinder through the pulley block, and the The winding unit is installed on the bottom of the fixed unit; the replacement device includes a running part, a loading and unloading part and a floating part, and the running part is provided with a cable fixing frame, an X-direction walking wheel and a Y-direction walking wheel. The running surface of the directional running wheel and the running surface of the Y-direction running wheel are not on the same horizontal plane; the monitoring unit controls the positioning and lifting device, the lifting device, the replacement device and the charging unit, Complete the charging of the power battery in the charging rack and the replacement of the vehicle.

Preferably, the upper part of each unit arranged in the vertical direction of the charging rack is provided with a charging socket and a plurality of floating nuts, the lower part is provided with a transverse track, and the bottom part is provided with an adjusting support foot.

Preferably, the installation platform is provided with longitudinal rails, the installation platform is provided with a hydraulic station and a controller, and the hydraulic station provides power for the movement of equipment in the station and is controlled by the controller.

Preferably, the lifting unit is provided with a transverse rail, the fixing unit is provided with a longitudinal rail, and the transverse rail and the longitudinal rail are perpendicular to each other.

Preferably, the lateral rails of the lifting unit can be kept on the same level as the lateral rails of any unit of the charging rack, the specifications and spacing of the lateral rails are consistent, and the specifications and spacing of the longitudinal rails are consistent.

Preferably, the winding unit is provided with a winder, the input end of the winder is connected to the monitoring unit and the hydraulic station, and the output end of the winder is connected to the The duct cable fixing frame is connected to realize the expansion and retention of the duct cable in any direction and any position.

Preferably, the replacement device can drag the umbilical to travel along three directions of X, Y and Z.

Preferably, the floating platform is provided with a flexible wire rope, and the floating platform itself is used to realize unpowered floating.

Preferably, the lifting heights of the front wheel alignment device and the rear wheel alignment device can be adjusted automatically, so that the power battery and the vehicle body mounting surface are kept level when the battery is replaced.

The present invention also provides a method for using a battery replacement station for an electric passenger vehicle, comprising the steps of:

S1. The monitoring unit controls the hydraulic station, provides power for the positioning and lifting device, and lifts the battery-changing vehicle entering the replacement station to the working height;

S2. The walking part of the replacement device moves along the longitudinal track to the battery replacement position, rises to the working height and unlocks the locking mechanism of the dead battery, and the replacement device descends to the moving height, so that the dead battery is connected to the battery replacement vehicle. separate;

S3. The hydraulic cylinder lifts the lifting unit to a set height, the Y-direction traveling wheel of the replacement device is disengaged from the longitudinal track, and the X-direction traveling wheel is in contact with the lateral track to complete track switching;

S4. The running part of the replacement device moves the dead battery to the charging position along the lateral track, the replacement device is raised to the working height and locks the locking mechanism of the dead battery to the charging rack, The replacement device is lowered to the moving height, and the depleted battery is charged by the charging unit on the above-mentioned charging rack;

S5. The replacement device moves to the fully charged battery position along the longitudinal track and the lateral track, the replacement device is raised to the working height and unlocks the locking mechanism of the fully charged battery, and the replacement device is lowered to the moving height , transport the fully charged battery to the battery replacement location;

S6, the replacement device is raised to the working height and the fully charged battery is locked to the battery-changing vehicle, and the replacement device is lowered to the movement height and moved to the initial position;

S7. Lower the vehicle whose battery has been replaced to the sports height, and drive out of the replacement station.

The beneficial effects of the present invention are:

First, including positioning and lifting devices, the battery replacement station is fully hydraulically driven, which is more adaptable to the environment than motor drives, and can work stably under severe conditions such as rainwater, sludge, and sand; ;

Second, the structure of the lifting device is simple, and only one set of driving elements is used to realize the lifting function, while the existing technology or products have dual functions of lifting and traversing, at least two sets of driving elements are required, and the system is complex;

Third, the replacement device can walk in two mutually perpendicular directions on a plane with only one set of driving elements, and the prior art or product requires two sets of driving elements to achieve this;

Fourth, the replacement device adopts the active positioning of the guide pin, and uses the gravity of the floating platform itself to realize the unpowered floating through the flexible wire rope. The existing technology or product needs to use a spring combination, an air bag or a pneumatic push rod to cooperate with a rolling pair or a sliding pair to achieve it;

Fifth, the method of using the winder set in the battery replacement station in conjunction with the slip ring can make the replacement device drag the umbilical cable to walk in the three-dimensional space of X, Y, and Z, and the umbilical cable can be a cable, a gas pipe or an oil pipe. It can also be any combination of the three; if this method is not adopted, the replacement device can use its own battery and wireless communication to achieve the above functions, but the system of this solution is complex, bulky and heavy. , high cost, poor stability;

Sixth, the battery replacement station is integrated in a combined way, which is scalable. At the same time, the battery replacement station has a simple structure, strong environmental adaptability, full space utilization, small footprint, and easy expansion, which is the promotion of electric passenger vehicle battery replacement mode. provides convenience;

Seventh, the lifting height of the front wheel positioning device and the rear wheel positioning device of the positioning and lifting device can be automatically adjusted to automatically compensate for the influence of the change in the front and rear suspension heights of the battery-changing vehicle caused by the loading and unloading of the power battery, so that the battery-changing vehicle can be changed. When replacing power, the power battery and the body mounting surface are kept horizontal to improve the power exchange efficiency. The existing technology or products rely on the replacement device to lift the vehicle through the power battery to keep it horizontal, so that the power battery and the body are in partial contact first, which is easy to cause the power battery or Deformation or scratching of the body also increases the lifting power of the replacement device.

Description of drawings

Figure 1 is a perspective view of a working state of an electric passenger car battery replacement station;

Figure 2 is a perspective view of a non-working state of an electric passenger vehicle battery replacement station;

Figure 3 is a control block diagram of an electric passenger vehicle battery replacement station;

4 is a perspective view of an electric passenger car positioning and lifting device;

FIG. 5 is a first three-dimensional view of the replacement device in a state in which the lifting device and the charging rack are in different positions;

FIG. 6 is a second three-dimensional view of the replacement device in different positions of the lifting device and the charging rack;

FIG. 7 is a third three-dimensional view of the replacement device in different positions of the lifting device and the charging rack;

FIG. 8 is a fourth three-dimensional view of the replacement device in different positions of the lifting device and the charging rack;

Figure 9 is a perspective view of the replacement device;

Figure 10 is the internal layout diagram of the replacement device;

Figure 11 is a floor plan of an electric passenger vehicle battery replacement station; and

FIG. 12 is a plan layout diagram of an expansion plan of an electric passenger vehicle battery replacement station.

Main reference signs:

The Y direction is the horizontal direction, representing the length direction of the battery swapping vehicle; the X direction is the vertical direction, representing the width direction of the battery swapping vehicle; the Z direction is the vertical direction, representing the height direction of the battery swapping vehicle;

Positioning and lifting device 1; Charging stand 2; Monitoring unit 3; Lifting device 4; Replacement device 5; Charging unit 6;

Installation platform 11; front wheel alignment device 12; rear wheel alignment device 13; front ramp 14; rear ramp 15;

installation structure 111; controller 112; hydraulic station 113; longitudinal rail 1114;

V-shaped roller group 121; first clamping rod 122; first hydraulic cylinder 123; second hydraulic cylinder 124; first scissor fork 125; third hydraulic cylinder 126;

Flat roller group 131; second clamping rod 132; fourth hydraulic cylinder 133; fifth hydraulic cylinder 134; second scissor fork 135; sixth hydraulic cylinder 136;

charging frame 21; floating nut 22; transverse rail 23; charging socket 24; adjusting feet 25;

Fixing unit 41; Lifting unit 42; Winding unit 43;

longitudinal rail 411; seventh hydraulic cylinder 412; pulley block 413;

Transverse rail 421; sliding ring 422; wire rope group 423;

Running part 51; floating part 52; loading and unloading part 53; umbilical fixing frame 54;

base 511; vertical lifting device 512; walking unit 513; lifting support body 514;

Loading and unloading platform 521; Unlocking tool 522; Battery guide pin 523; Bracket 524;

floating platform 531; floating support 532; flexible wire rope 533;

Lifting motor 5121; rigid chain pair 5122; shaft 5123; gear pair 5124;

Travel motor 5131; gear pair 5132; shaft 5133; X-direction travel wheel 5134; Y-direction travel wheel 5135; bevel gear commutator 5136;

Scissor fork 5141; Linear guide 5142.

Detailed ways

In order to detail the technical content, structural features, achieved objects and effects of the present invention, the following will be described in detail with reference to the accompanying drawings.

An electric passenger car battery replacement station, as shown in Figures 1 to 12, Figure 1 is a perspective view of the working state of the electric passenger car battery replacement station, and Figure 2 is the non-working state of the electric passenger car battery replacement station 3 is the control block diagram of the electric passenger car battery replacement station, FIG. 4 is the perspective view of the front wheel positioning device of the positioning and lifting device, and FIG. 5 is the perspective view 1 of the replacement device in the different positions of the lifting device and the charging frame, Figure 6 is a perspective view of the replacement device at different positions of the lifting device and the charging rack; Figure 7 is a perspective view of the replacement device at different positions of the lifting device and the charging rack; Figure 3 is a perspective view of the replacement device at different positions of the lifting device and the charging rack; Figure 4 , Figure 9 is a perspective view of the replacement device, Figure 10 is the internal layout of the replacement device, Figure 11 is the layout of the battery replacement station for electric passenger vehicles, Figure 12 is the layout of the expansion plan of the battery replacement station for electric passenger vehicles. The Y direction is the horizontal direction, which represents the length direction of the battery-swapped vehicle, and the X-direction is the longitudinal direction, which represents the width direction of the battery-swappable vehicle.

As shown in Figure 2, the electric passenger car battery replacement station includes a positioning and lifting device 1, a lifting device 4, a replacement device 5, a charging rack 2, a charging unit 6 and a monitoring unit 3. The lifting device 4 is provided in two sets of charging Between the racks 2, the charging unit 6 and the monitoring unit 3 are arranged in parallel with the positioning and lifting device 1 and a certain space is reserved. The positioning and lifting device 1 locates and lifts the battery swapping vehicle, the replacement device 5 loads, unloads and transfers the power battery between the battery swapping vehicle and the charging rack 2, and the lifting device 4 assists to complete vertical lifting or horizontal walking.

As shown in FIG. 4 , the positioning and lifting device 1 includes an installation platform 11 , a front wheel alignment device 12 , a rear wheel alignment device 13 , a front ramp 14 and a rear ramp 15 , and the installation platform 11 is provided with a hydraulic station 113 and a controller 112, the hydraulic station 113 and the controller 112 are arranged on the installation structure 111, the hydraulic station 113 provides power for the equipment in the station, and accepts the command of the controller 112, and the installation platform 11 is provided with a longitudinal rail 114.

As shown in FIG. 5 , the lifting device 4 includes a fixing unit 41 , a lifting unit 42 and a winding unit 43 . The lifting unit 42 is provided with a transverse rail 421 , the fixing unit 41 is provided with a longitudinal rail 411 , and the transverse rail 421 and the longitudinal rail 411 are perpendicular to each other. , the longitudinal rail 411 is aligned with the longitudinal rail 114; the winding unit 43 is installed at the bottom of the fixing unit 41; The cylinder 412 is independently controlled by the fifth solenoid valve. The lifting unit 42 is further provided with a wire rope group 423 , and the wire rope group 423 is connected with the seventh hydraulic cylinder 412 through the pulley group 413 .

As shown in FIG. 9 , the replacement device 5 includes a running part 51 , a mounting and dismounting part 52 and a floating part 53 , and an umbilical fixing frame 54 is provided on one side of the running part 53 .

The input end of the winding unit 43 of the lifting device 4 is connected to the monitoring unit 3 and the hydraulic station 113 , and the output end is connected to the umbilical fixing frame 54 through the sliding ring 422 .

The method of using the winder set at the battery replacement station in conjunction with the slip ring can make the replacement device 5 drag the umbilical cable to walk in the three-dimensional space of X, Y, and Z, and the umbilical cable can be one of cables, air pipes or oil pipes. It can also be any combination of the three.

The main structure of the charging rack 2 is the charging frame 21, which includes several unit layers arranged in the vertical direction. The upper part of each unit layer is provided with a charging socket 24 and four floating nuts 22, and the lower part is provided with a horizontal rail 23. Adjustment feet 25 are also provided.

The horizontal rails 23 of the charging rack 2 and the horizontal rails 421 of the lifting unit 42 of the lifting device 4 have the same specifications and spacing.

The longitudinal rails 411 of the fixing unit 41 of the lifting device 4 and the longitudinal rails 1114 on the installation platform 11 of the positioning and lifting device 1 have the same specifications and spacing, and are on the same horizontal plane in the working state.

The charging unit 6 is physically connected to the charging socket 24 of the charging rack 2 through a pipe cable or the like, and provides control power and power for the power battery.

The monitoring unit 3 controls the positioning and lifting device 1 , the lifting device 4 , the replacement device 5 , and the charging unit 6 , and cooperates to complete the charging of the power battery in the charging frame 2 and the power exchange of the vehicle.

As shown in FIG. 4 , the positioning and lifting device 1 has a trapezoidal shape and includes an installation structure 111 , a hydraulic station 113 and a controller 112 arranged in the cavity of the installation structure 111 , and the hydraulic station 113 and the controller 112 are arranged side by side. The front wheel alignment device 12 and the rear wheel alignment device 13 are respectively arranged on both sides of the hydraulic station 113 and the controller 112 , the front ramp 14 and the rear ramp 15 are respectively arranged on the front and rear ends of the installation platform 11 , the front ramp 14 and the rear ramp are respectively arranged. The lanes 15 are all inclined wedge-shaped, and have a vehicle guiding function, which is convenient for vehicles to enter and exit; the front wheel alignment device 12 and the rear wheel alignment device 13 are driven by the hydraulic station 113.

The front wheel positioning device 12 includes two sets of V-shaped roller groups 121 and two first clamping bars 122. The two V-shaped roller groups 121 are connected with the two first clamping bars 122 in one-to-one correspondence. It includes two V-shaped rollers, the orientation of the first hydraulic cylinder 123 is perpendicular to the orientation of the rollers, the first hydraulic cylinder 123 and the second hydraulic cylinder 124 are vertically connected to the two first clamping rods 122 respectively, and pass through the first clamping rods. 122 drives the V-shaped drum set 121; the first scissors fork 125 is arranged at the bottom of the V-shaped drum set 121, the bottom of the first scissors fork 125 is fixed with the installation structure 111, and the top of the first scissors fork 125 is connected to the V-shaped drum through a platform The roller group 121 is connected, and the third hydraulic cylinder 126 is connected with the first scissors fork 125, and provides power for the up-and-down movement and the high-low position change of the first scissors fork 125.

The rear wheel positioning device 13 includes two sets of plane roller groups 131 and two second clamping rods 132, the two plane roller groups 131 are connected with the two second clamping rods 132 in one-to-one correspondence, and each plane roller group 131 includes a plurality of The axes of the rollers in the flat roller group 131 are parallel, the orientation of the fourth hydraulic cylinder 133 is perpendicular to the orientation of the rollers, the fourth hydraulic cylinder 133 and the fifth hydraulic cylinder 134 are respectively vertically connected to the two second clamping rods 132, and The plane roller group 31 is driven by the second clamping rod 132; the second scissors fork 135 is arranged at the bottom of the plane roller group 131, the bottom of the second scissors fork 135 is fixedly connected with the installation structure 111, and the top of the second scissors fork 135 passes through a The platform is connected with the plane roller group 131 , and the sixth hydraulic cylinder 136 is connected with the second scissors fork 135 , and provides power for the up-and-down movement and high-low position change of the second scissors fork 135 . The structure of the first scissors fork 125 and the second scissor fork 135 are the same, and the lifting and lowering are synchronized. The structures of the first clamping rod 122 and the second clamping rod 132 are the same. axes coincide.

The front wheel positioning device 12 realizes the positioning in the front and rear directions of the vehicle through the V-shaped roller group 121 , and the front wheel positioning device 12 and the rear wheel positioning device 13 clamp the tires through the first clamping rod 122 and the second clamping rod 132 to realize the left and right direction of the vehicle. positioning; the front wheel positioning device 12 and the rear wheel positioning device 13 respectively realize the positioning of the vehicle height and the horizontal direction through the lifting and lowering of the first scissor fork 125 and the second scissor fork 135 . The lifting heights of the front wheel alignment device 12 and the rear wheel alignment device 13 are independently controlled by the controller 112 , and the controller 112 controls the moving positioning, lifting and leveling of the electric passenger vehicle through the front wheel alignment device 12 and the rear wheel alignment device 13 , the body and power battery installation surface can always automatically maintain a horizontal state.

As shown in FIG. 9 and FIG. 10 , the vertical lifting device 512 of the walking part 51 of the replacement device 5 , the walking unit 513 and the linear guide 5142 in the lifting support body 514 are installed on the base 511 in a rigid connection, and the vertical lifting device 512 includes a lift motor 5121, a rigid chain pair 5122, a shaft 5123 and a gear pair 5124. The lift motor 5121 drives the shaft 5123 forward and reverse through the connected gear pair 5124, and the shaft 5123 drives the rigid chain pair 5122 to move up and down, thereby driving the floating part 53 lift. The loading and unloading part 52 includes a loading and unloading platform 521, an unlocking tool 522, a battery guide pin 523 and a bracket 524. The floating part 53 includes a floating platform 531, a floating bracket 532 and a flexible wire rope 533. Gravity enables unpowered floating.

The traveling unit 513 includes a traveling motor 5131, a traveling gear pair 5132, a rotating shaft 5133, an X-direction traveling wheel 5134, a Y-direction traveling wheel 5135 and a bevel gear commutator 5136, and the traveling gear pair 5132 is driven by the traveling motor 5131 to drive the rotating shaft 5133 to rotate, The rotating shaft 5133 drives the X-direction travel wheel 5134 to rotate, and drives the Y-direction travel wheel 5135 to move through the bevel gear commutator 5136. The X-direction travel wheel 5134 and the Y-direction travel wheel 5135 have different radii, correspondingly provided with X-direction track and Y-direction For the track, although the X-direction traveling wheel 5134 and the Y-direction traveling wheel 5135 are both rotating, only one of them will contact the corresponding track at the same time to realize movement, and can be switched as needed.

The number of the X-direction traveling wheels 5134, the Y-direction traveling wheels 5135 and the bevel gear commutator 5136 is equal, preferably four, but not limited to four, when the number is four, the arrangement is rectangular, and the X The axial direction of the directional running wheel 5134 and the axial direction of the Y-direction running wheel 5135 are perpendicular to each other. The axis of the X-direction traveling wheel 5134, the axis of the Y-direction traveling wheel 5135 and the axis of the bevel gear commutator 5136 are in the same plane.

The number of scissor forks 5141 in the lifting support body 514 is multiple, and they are located on both sides of the equipment. The linear guide rail 5142 on the base 511 is used for active connection and guiding, and the end of the scissors fork 5141 can be provided with rollers to reduce friction.

The unlocking tool 522 , the battery guide pin 523 and the bracket 524 of the loading and unloading part 52 are mounted on the loading and unloading platform 521 and are rigidly connected. The end of the battery guide pin 523 is a pointed end, which can play a guiding role. The floating part 53 is rigidly connected with the scissors fork 5141 and the linear guide rail 5142 in the lifting support body 514 of the walking part 51 .

One end of the flexible wire rope 533 is fixed on the threaded hole of the floating bracket 532, and the other end is fixed on the threaded hole of the bracket 524 of the loading and unloading part 52. The number of the flexible steel wire rope 533 is preferably four, but not limited to four. The loading and unloading part 52 The four flexible wire ropes 533 are connected to the floating part 3 together to form a floating state within a certain size range, which can reduce the requirements for the positioning accuracy of the vehicle and allow the battery guide pins 523 to be more accurately inserted into the guide holes of the power battery.

The vertical lifting device 512 and the traveling unit 513 may adopt other driving forms, such as hydraulic driving, electro-hydraulic hybrid driving, etc. The drawings only take motor driving as an example for description.

The electric passenger vehicle battery replacement station of the present invention has the following steps of use:

1. As shown in Fig. 1, the battery-changing vehicle receives the battery-changing instruction, and the battery-changing vehicle is parked in the two V-shaped roller groups 121 of the positioning and lifting device 1, the first clamping rod 122 and the second clamping rod 132 Action clamps the tires to center the battery-changing vehicle, the driver gets off the car and enters the waiting area; the monitoring unit 3 issues a battery-changing command, the hydraulic station 113 provides power for the positioning and lifting device 1, and lifts the battery-changing vehicle to the required battery-changing level. working height.

2. The replacement device 5 walks from the set position along the longitudinal track 1114 to the battery-changing position set at the bottom of the battery-changing vehicle with no load, and the replacement device 5 is raised to the working height, that is, the working position is locked or unlocked, and the battery is guided during the rising process. The pin 523 guides the loading and unloading platform 521, the unlocking tool 522 contacts the battery locking mechanism, and unlocks the battery locking mechanism.

3. The replacement device 5 travels along the longitudinal track 1114 from the bottom of the replacement vehicle together with the depleted battery to the set position of the longitudinal track 411 of the lifting device 4 .

4. The seventh hydraulic cylinder 412 of the lifting device 4 acts to pull the wire rope group 423 to lift the lifting unit 42 to the set height. At this time, the Y-direction traveling wheel 5135 of the replacement device 5 is separated from the longitudinal track 411, and the X-direction traveling wheel 5134 is connected to the lateral track. 421 Contact.

5. The walking part 51 of the replacement device 5 drives the X-direction traveling wheel 5134 to rotate, so that the replacement device 5 walks to the charging position together with the depleted battery, the replacement device 5 is raised to the working height, and the battery guide pin 523 is guided during the lifting process. The platform 521, the unlocking tool 522 locks the battery locking mechanism on the floating nut 22 of the charging rack 2, the replacement device 5 is lowered to the moving height to be disengaged from the dead battery, and the dead battery plug is engaged with the charging socket 24 on the charging rack 2 , the hand charging unit 6 is controlled to enter the charging state.

6. The replacement device 5 returns to the set position of the lateral rail 421 of the lift device 4, and the seventh hydraulic cylinder 412 of the lift device 4 acts to drive the lift unit 42 to ascend or descend to the set working position.

7. The replacement device 5 moves laterally to the set position of the fully charged battery, rises to the working height, unlocks the fully charged battery, and descends to the exercise height, and returns to the set position of the horizontal rail 421 of the lifting device 4 .

8. The lifting device 4 is lowered to the lowest working position. At this time, the X-direction walking wheel 5134 of the replacement device 5 is disengaged from the transverse rail 421, and the Y-direction walking wheel 5135 is in contact with the longitudinal rail 411. The replacement device 5 walks along the longitudinal rail 1114 until the battery is replaced. The battery swap position set at the bottom of the vehicle.

9. The replacement device 5 is raised to the working height, and the fully charged power battery is locked on the replacement vehicle.

10. The replacement device 5 descends to the moving height, and returns to the initial position of the longitudinal rail 411 of the lifting device 4 for standby.

11. The front wheel positioning device 12 and the rear wheel positioning device 13 of the positioning and lifting device 1 are lowered to the moving height at the same time, the first clamping rod 122 and the second clamping rod 132 are retracted, the battery-changing vehicle returns to the free position, and the replacement The electrical process ends.

12. The driver gets in the car and drives out of the swap station to enter the next battery replacement process.

The present invention also provides an expansion solution. In the expansion solution, a set of lifting devices 4, a set of replacement devices 5, two sets of charging racks 2, and A set of charging units 6 .

The specific implementation of the expansion solution is roughly the same as the above-mentioned implementation, the difference is that one of the two sets of replacement devices 5 is empty and used to remove the low battery of the battery swapping vehicle, while the other set of fully charged batteries is used to replace the battery for the battery swapping vehicle. Install batteries, and two sets of replacement devices are used alternately one after another.

The above are the preferred embodiments of the present application, which do not limit the protection scope of the present invention. It should be pointed out that for those of ordinary skill in the technical field, some improvements can be made without departing from the technical principles of the present invention. and modifications, these improvements and modifications should also be considered as the scope of protection of the present application.

Claims (10)

1. a kind of electric passenger vehicle battery altering station, including positioning and lifting device, lifting device, more changing device, charging rack, fill Electric unit and monitoring unit, which is characterized in that

The lifting device is between charging rack described in two groups, lifting device cloth parallel with the positioning and lifting device It sets, the charhing unit and the monitoring unit is equipped between the lifting device and the positioning and lifting device, it is described fixed Position and lifting device exchange electric car are positioned and are lifted, and the more changing device is along the lifting device and the positioning and act Rise the long rails movement between device, the more changing device completes to change the handling of the upper power battery of electric car, and by power electric Pond is moved in the lifting device, and the more changing device is promoted by the lifting device, and the more changing device can be described It laterally walks in charging rack, completes the exchange of power battery, the power battery after exchange is automatically performed in the charging rack to be filled Electricity；

The positioning and lifting device include mounting platform, front-wheel setting arrangement, rear-wheel positioning apparatus, preceding ramp and rear ramp；

The lifting device includes fixed cell, lifting unit and coiling unit, and the top of the fixed cell is equipped with hydraulic cylinder And pulley blocks, the lifting unit are equipped with wirerope and slip ring, the wirerope passes through the pulley blocks and the hydraulic cylinder It is connected, the coiling unit is mounted on the bottom of the fixed cell；

The more changing device includes running part, handling part and float portion, and the running part is equipped with umbilical fixed frame, X-direction is walked The walking surface of wheel and Y-direction traveling wheel, the walking surface of the X-direction traveling wheel and the Y-direction traveling wheel is not in the same water In plane, and

The monitoring unit controls the positioning and lifting device, the lifting device, the more changing device and the charging are single Electric work is changed in member, the charging and vehicle for completing charging rack internally-powered battery.

2. electric passenger vehicle battery altering according to claim 1 station, which is characterized in that the charging rack vertical direction cloth The top of each unit set is equipped with 1 charging socket and multiple captive nuts, and lower part is equipped with cross track, and bottom is equipped with adjustment Stabilizer blade.

3. electric passenger vehicle battery altering according to claim 1 station, which is characterized in that the mounting platform is equipped with vertical To track, the mounting platform is equipped with hydraulic station and controller, and the hydraulic station provides power for the movement of station equipment, and connects By the control of the controller.

4. electric passenger vehicle battery altering according to claim 1 station, which is characterized in that the lifting unit is equipped with laterally Track, the fixed cell are equipped with long rails, and the cross track is mutually perpendicular to the long rails.

5. according to electric passenger vehicle battery altering station described in claim 2 or 4, which is characterized in that the lifting unit Cross track can be maintained at the same horizontal plane with the cross track of any unit of the charging rack, the specification of the cross track It is consistent with spacing, specification and the spacing of the long rails are consistent.

6. electric passenger vehicle battery altering according to claim 1 station, which is characterized in that the coiling unit is equipped with coiling Device, the input terminal of the winder are connected with the monitoring unit and the hydraulic station, and the output end of the winder passes through The slip ring is connected with the umbilical fixed frame, realizes that umbilical any position flexible and is kept in any direction.

7. according to electric passenger vehicle battery altering station described in claim 5 or 6, which is characterized in that the more changing device energy Towing umbilical is walked along tri- directions X, Y, Z.

8. electric passenger vehicle battery altering according to claim 1 station, which is characterized in that the floating platform is equipped with flexibility Wirerope realizes unpowered floating using the gravity of the floating platform itself.

9. electric passenger vehicle battery altering according to claim 1 station, which is characterized in that the front-wheel setting arrangement and institute State rear-wheel positioning apparatus adjustable height can adjust automatically, make to change electric car power battery and vehicle body mounting surface when replacing battery Keep horizontal.

10. a kind of battery replacement of electric automobile carried out using any electric passenger vehicle battery altering station claim 1-9 Method, comprising the following steps:

S1, the monitoring unit control the hydraulic station, provide power for the positioning and lifting device, will drive into change station It changes electric car and is lifted to working depth；

S2, the more changing device running part move to battery altering position along the long rails, be increased to working depth simultaneously The retaining mechanism of dead battery is unlocked, the more changing device drops to moving height, makes dead battery and changes electric Vehicles separation；

S3, the hydraulic cylinder promote the lifting unit to setting height, and the Y-direction traveling wheel of the more changing device is indulged with described It is detached to track, X-direction traveling wheel is contacted with the cross track, completes track switching；

S4, the more changing device running part along the cross track, dead battery is transported to charge position, the more changing device It is increased to working depth and locks on the retaining mechanism to the charging rack of dead battery, it is high that the more changing device drops to movement Degree, dead battery are charged on above-mentioned charging rack by the charhing unit；

S5, the more changing device move to full electric battery location along the long rails and the cross track, described more to change the outfit The retaining mechanism for being increased to working depth and unlocking full electric battery is set, the more changing device drops to moving height, by full electricity electricity Pond is transported to battery altering position；

S6, the more changing device are increased to working depth and lock full electric battery to changing on electric car, under the more changing device It is down to moving height, moves to initial position；And

S7, the electric car that changes for more finishing changing battery is down to moving height, is driven out to change station.