CN111439147A - Swap station and its control method - Google Patents

Abstract

The invention discloses a power exchanging station and a control method thereof. Should trade the power station and include: the battery replacing platform, the charging room, the battery replacing equipment and the double-station stacker are connected with each other; the battery replacing equipment moves between the battery replacing platform and the charging chamber and is used for performing operations of disassembling and assembling batteries on the vehicle on the battery replacing platform; the double-station stacker crane comprises a first pushing mechanism and a second pushing mechanism; the first push-out mechanism is used for taking and putting full-charge battery packs, and the second push-out mechanism is used for taking and putting insufficient-charge battery packs; the first push-out mechanism and the second push-out mechanism are respectively controlled and are used for exchanging batteries with the battery replacement equipment; the battery replacement station further comprises a control unit, and the control unit is electrically connected with the double-station stacker crane and the battery replacement equipment. The control method is applied to the power swapping station. This trade power station has avoided setting up old storehouse through setting up the duplex position hacking machine, has promoted the space utilization of charge room, has avoided the hacking machine to repeatedly put the process of battery at the trade electricity in-process simultaneously, has improved and has traded electric efficiency. The control method cancels the procedure of repeatedly placing the batteries in the battery replacing process of the stacker crane, and improves the battery replacing efficiency.

Description

Swap station and its control method

technical field

The invention relates to the application field of electric vehicle swapping stations, in particular to a swapping station and a control method thereof.

Background technique

At present, the battery pack on the vehicle is disassembled and assembled by the battery swap device. The battery pack needs to be charged after removing the battery pack. The battery pack must be removed from the battery pack and then placed in the charging compartment. The charging compartment considers the charging time to be normal. Multiple (considering the slow charging time in combination with the battery capacity, normally matching 28 battery charging positions, which can meet the needs of continuous circulation, and improving the charging efficiency can properly reduce the charging positions, but it will affect the life of the battery pack). Therefore, the palletizer as shown in Figure 1 is required to shuttle between charging positions, and the function of exchanging battery packs between power exchange equipment and charging positions. The palletizer has only one station and can only take out or put in one battery at a time.

The current replacement process is:

The battery replacement device removes the old battery from the vehicle and passes the old battery to the palletizer, the palletizer puts the old battery into the old compartment of the charging room, and then removes the new battery from the new compartment of the charging room, and then , pass the new battery to the power exchange device, and the power exchange device installs the new battery on the vehicle. After the palletizer passes the new battery to the power exchange device, the palletizer will take out the old battery from the old warehouse again. Put it in the charging case to charge.

In order to save the operation time of the palletizer during the power exchange process, it is usually necessary to set up an old warehouse for the transfer of old batteries in the charging room of the power exchange station, so as to temporarily store the old batteries. After the power exchange process is completed, the palletizer will to transfer the old battery to the charging compartment.

Due to the need to set up the old warehouse, the space of the charging room is greatly wasted, and in this process, because the palletizer has to wait for the old battery to be stored and take out the new battery, there must be a process of repeating the battery placement when the new and old batteries are exchanged, which affects the replacement. electrical efficiency.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a power exchange station and a control method thereof in order to overcome the defects of low space utilization rate of the charging room and low power exchange efficiency of the power exchange station in the prior art.

The present invention solves the above-mentioned technical problems through the following technical solutions:

A power exchange station, comprising: a power exchange platform and a charging room connected to each other, power exchange equipment, and a double-station palletizer;

The battery swapping device travels back and forth between the battery swapping platform and the charging room, and is used to perform operations of removing and installing batteries on the vehicle on the battery swapping platform;

The double-station palletizer includes a first push-out mechanism and a second push-out mechanism; the first push-out mechanism is used to pick up and place a fully charged battery pack, and the second push-out mechanism is used to pick up and place a depleted battery pack; The first push-out mechanism and the second push-out mechanism are controlled separately, and both are used for exchanging batteries with the power exchange device;

The power exchange station further includes a control unit, and the control unit is electrically connected with the double-station palletizer and power exchange equipment.

Preferably, the charging compartment includes a new compartment and a charging compartment, the new compartment is used for storing a fully charged new battery, and the charging compartment is used for charging the battery.

Preferably, the power exchange station further includes a charging container, the charging container is connected with the charging chamber, and a plurality of supplementary charging bins are arranged.

Preferably, the charging chamber includes a first chamber and a second chamber, and the first chamber and the second chamber are respectively provided on two sides of the power exchange platform.

Preferably, the power exchange platform includes a first platform and a second platform, and the first platform and the second platform are respectively provided on two sides of the charging chamber.

Preferably, the double-station palletizer further includes a horizontal traveling mechanism, and the horizontal traveling mechanism is used to jointly drive the first palletizing mechanism and the second palletizing mechanism to move horizontally.

Preferably, the first push-out mechanism and the second push-out mechanism are arranged side by side.

Preferably, the first push-out mechanism and the second push-out mechanism are arranged in parallel.

A control method of a power exchange station, the control method is applied to the power exchange station as described above;

The control method includes the following steps:

S1: After the control unit obtains the vehicle parking in-position signal, it sends a first power exchange command to the power exchange equipment, and sends a second power exchange command to the dual-station palletizer;

After receiving the second power exchange command, the double-station palletizer controls the first push mechanism to take out the fully charged battery pack from the charging room, and move it to the power exchange position of the power exchange station for standby;

S2: After receiving the first power-changing instruction, the power-swapping device removes the old battery from the vehicle, moves it to the power-swapping position of the power-swapping station, and aligns with the second push-out mechanism;

S3: The second push-out mechanism removes the battery pack on the battery replacement device;

S4: The double-station palletizer moves horizontally or vertically, so that the first push-out mechanism is facing the power exchange equipment;

S5: The first push mechanism places the fully charged battery pack on the battery replacement device;

S6: The battery swapping device installs the fully charged battery pack to the vehicle.

Preferably, the power exchange method further comprises the steps of:

S7: The double-station palletizer moves to put the depleted battery pack on the second push-out mechanism into the charging room of the swap station.

The positive improvement effect of the present invention is that: by setting the double-station palletizer, the power exchange station avoids setting up old warehouses, improves the space utilization rate of the charging room, and at the same time avoids the need for the palletizer to repeatedly place batteries during the power exchange process. process to improve the power exchange efficiency. The control method cancels the process of repeatedly placing batteries in the stacker during the power exchange process, and improves the power exchange efficiency.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of a prior art palletizer.

FIG. 2 is a schematic plan view of a power exchange station according to Embodiment 1 of the present invention.

3 is a schematic three-dimensional structure diagram of the dual-station palletizer according to Embodiment 1 of the present invention.

FIG. 4 is a schematic three-dimensional structure diagram of a dual-station palletizer according to Embodiment 2 of the present invention.

FIG. 5 is a schematic flowchart of a control method according to Embodiment 3 of the present invention.

FIG. 6 is a schematic plan view of a power exchange station according to Embodiment 4 of the present invention.

FIG. 7 is a schematic plan view of a power exchange station according to Embodiment 5 of the present invention.

FIG. 8 is a schematic plan view of a power exchange station according to a modification of the present invention.

FIG. 9 is a schematic plan view of a power exchange station according to a modification of the present invention.

FIG. 10 is a schematic plan view of a power exchange station according to a modification of the present invention.

Description of reference numbers:

Example 1

swap station 10

Battery swap platform 11

charging compartment 12

Swap equipment 13

Monitoring room 14

charging container 15

Double station palletizer 100

First launch agency 110

Extending Mechanism 111

lift tray 112

Second launch mechanism 120

first bracket 130

Second bracket 140

Pole 150

Pinch Wheel Assembly 131

First lift motor 161

first drive rod 162

1st drive sprocket 162

Second lift motor 171

Second drive rod 172

Example 2

Double station palletizer 200

support frame 210

first launch agency 220

Second launch mechanism 230

Example 4

Room 1 301

Room 2 302

Example 5

First Platform 401

Second Platform 402

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings by way of examples, but the present invention is not limited to the scope of the following examples.

Example 1

FIG. 2 provides a power exchange station 10 according to Embodiment 1. The power exchange station 10 includes: a power exchange platform 11 and a charging room 12 connected to each other, a power exchange device 13 , and a double-station palletizer 100 .

The battery swapping device 13 travels between the battery swapping platform 11 and the charging room 12 , and is used to perform operations of removing and installing batteries for the vehicle on the battery swapping platform 11 .

The double-station palletizer includes a first push-out mechanism and a second push-out mechanism; the first push-out mechanism is used to pick up and discharge fully charged battery packs, and the second push-out mechanism is used to pick up and discharge depleted battery packs; the first push-out mechanism and the second push-out mechanism The ejection mechanisms are controlled separately, and both are used to exchange batteries with the power exchange device 13 .

The power exchange station 10 further includes a control unit, and the control unit is electrically connected with the double-station palletizer and the power exchange equipment 13 . The control unit is arranged in the monitoring room 14 . The control unit can be PLC, PC, etc.

The replacement station 10 avoids setting up old warehouses by setting a double-station palletizer, improves the space utilization rate of the charging room 12, and at the same time avoids the process of repeatedly placing batteries by the palletizer during the battery replacement process, improving the battery replacement process. efficiency.

The charging compartment 12 includes a new compartment and a charging compartment. The new compartment is used to store a fully charged battery pack, and the charging compartment is used to charge a depleted battery pack.

The battery swap station 10 further includes a charging container 15, the charging container 15 is connected to the charging compartment 12, and a plurality of supplementary charging compartments are arranged. The supplementary charging compartment is also used to charge the depleted battery pack.

As shown in FIG. 3 , the first push-out mechanism 110 and the second push-out mechanism 120 are arranged side by side.

The double-station palletizer 100 further includes a horizontal traveling mechanism, and the horizontal traveling mechanism is used to jointly drive the first push-out mechanism 110 and the second push-out mechanism 120 to move horizontally.

The dual-station palletizer 100 further includes a first bracket 130 and a second bracket 140, which are arranged side by side and are connected and fixed to each other; the first push-out mechanism 110 is arranged in the first bracket 130, the second The push-out mechanism 120 is arranged in the second bracket 140 ; the horizontal traveling mechanism is arranged on the first bracket 130 and the second bracket 140 .

The horizontal walking mechanism includes an upper horizontal walking mechanism and a lower horizontal walking mechanism.

The upper horizontal walking mechanism includes a clamping wheel assembly 131 installed on the top of the first bracket 130 and the second bracket 140. The clamping wheel assembly 131 includes at least a pair of light wheels for clamping the upper rail set in the power exchange station to make the duplex The bit palletizer 100 moves horizontally along the upper rail.

The lower horizontal walking mechanism includes: a driving wheel, a passive wheel, and a walking driving device. The driving wheel and the driving wheel are installed at the bottom of the first bracket 130 and the second bracket 140. The walking driving device is connected with the driving wheel and is used for driving the driving wheel edge change The lower rail set in the power station moves horizontally.

The dual-station palletizer 100 further includes a first lifting mechanism and a second lifting mechanism.

The first lifting mechanism is arranged on the first bracket 130 and is used for lifting and lowering the first pushing mechanism 110 .

The second lifting mechanism is arranged on the second bracket 140 and is used for lifting and lowering the second pushing mechanism 120 .

The first push-out mechanism 110 and the second push-out mechanism 120 both include an extension mechanism 111 and a lift tray 112 . The extension mechanism 111 is provided in the lift tray 112 and can be extended and retracted relative to the lift tray 112 .

Both the first push-out mechanism 110 and the second push-out mechanism 120 are provided with positioning sensors. The positioning sensor is preferably a light sensor.

Both the first bracket 130 and the second bracket 140 are of a square structure. The first bracket 130 and the second bracket 140 share a vertical support rod 150 .

The dual-station palletizer 100 further includes a control unit, and the control unit is used to control the first push-out mechanism 110 and the second push-out mechanism 120 respectively.

The first lifting mechanism includes a first lifting motor 161, a first driving rod 162, a first driving sprocket, a first chain, and a first driven sprocket. The first driving rod 162 is rotatably arranged above the first bracket 130, The first lifting motor 161 is connected to the first driving rod 162 and drives the first driving rod 162 to rotate, the first driving sprocket 162 is connected to the first driving rod 162 and rotates with the first driving rod 162, the first chains are respectively engaged with the first driving rod 162. A driving sprocket 162 and a first driven sprocket, the first driven sprocket is arranged below the first bracket 130, and the first chain is used to drive the first push-out mechanism 110 to rise and fall;

The second lifting mechanism includes a second lifting motor 171, a second driving rod 172, a second driving sprocket, a second chain, and a second driven sprocket. The second driving rod 172 is rotatably disposed above the second bracket 140, The second hoisting motor 171 is connected to the second driving rod 172 and drives the second driving rod 172 to rotate, the second driving sprocket is connected to the second driving rod 172 and rotates with the second driving rod 172, the second chains engage the second The driving sprocket and the second driven sprocket, the second driven sprocket is arranged below the second bracket 140 , and the second chain is used to drive the second push-out mechanism 120 to rise and fall.

The first driven sprocket and the second driven sprocket located in the middle share a rotating support shaft.

Example 2

FIG. 4 shows the dual-station palletizer 200 of the second embodiment. The double-station palletizer 200 includes: a first push-out mechanism 220 and a second push-out mechanism 230 .

The first push-out mechanism 220 is used to pick up and discharge a fully charged battery pack, and the second push-out mechanism 230 is used to pick up and discharge a depleted battery pack. Of course, the functions of the two can also be exchanged.

The first push-out mechanism 220 and the second push-out mechanism 230 are controlled separately.

The first push-out mechanism 220 and the second push-out mechanism 230 are arranged in parallel.

The structures of the first pushing mechanism 220 and the second pushing mechanism 230 of the second embodiment are the same as those of the first pushing mechanism 110 and the second pushing mechanism 120 of the first embodiment.

The double-station palletizer 200 also has two push-out mechanisms, which can realize that one push-out mechanism takes out the battery pack, and the other push-out mechanism fully discharges the battery pack, which avoids the stacker being placed repeatedly during the battery replacement process. The battery process improves the power exchange efficiency.

The double-station palletizer 220 includes a support frame 210 , and the first push-out mechanism 220 and the second push-out mechanism 230 are arranged in the support frame 210 in parallel.

The first push-out mechanism 220 and the second push-out mechanism 230 of the embodiment 2 share the support frame 210, and both can be moved in the vertical direction by the lifting device. The two can share a lifting device, or can be driven by different lifting devices respectively. The lifting device may be the first lifting mechanism as described in Embodiment 1.

Example 3

As shown in FIG. 5 , Embodiment 3 provides a control method for an electric power exchange station, and the control method is used to control the electric power exchange station of Embodiment 1. The battery replacement method includes the following steps:

S1: After the control unit obtains the signal that the vehicle is parked in place, it sends the first power exchange command to the power exchange equipment, and sends the second power exchange command to the duplex palletizer;

The double-station palletizer receives the second power exchange command and controls the first push mechanism to take out the fully charged battery pack from the charging room (the new warehouse) of the power exchange station, and move to the power exchange position of the power exchange station for standby.

When taking the fully charged battery pack, the double-station palletizer moves in the charging room of the swap station through the horizontal walking mechanism, and moves to the opposite side of the battery rack where the fully charged battery pack is placed in the charging room to take out the fully charged battery. battery pack, and then move to the swap position again. The power exchange position refers to the position where the battery pack can be exchanged with the power exchange device, which is generally the junction of the charging room and the power exchange platform.

S2: The power exchange device receives the first power exchange command and removes the battery pack that is depleted from the vehicle, moves to the power exchange position of the power exchange station, and aligns with the second push-out mechanism. At this time, the second push-out mechanism is vacant.

S3: The second push-out mechanism removes the depleted battery pack on the power exchange device.

S4: The double-station palletizer moves horizontally or vertically, so that the first push-out mechanism faces the power exchange equipment. If the dual-station palletizer of Example 1 is used, the dual-station palletizer moves horizontally, that is, the horizontal traveling mechanism drives the first bracket and the second bracket to move horizontally together, so that the first push-out mechanism replaces the second push-out mechanism The position is opposite to the power exchange device. If the double-station palletizer of Embodiment 2 is used, the double-station palletizer moves vertically, that is, the first push-out mechanism and the second push-out mechanism move together in the vertical direction, so that the first push-out mechanism replaces the second push-out mechanism. 2. The position of the push-out mechanism is opposite to the power exchange equipment.

S5: The first push-out mechanism places the fully charged battery pack on the battery replacement device.

S6: The battery swapping device installs the fully charged battery pack to the vehicle.

S7: The double-station palletizer moves to put the depleted battery pack on the second push-out mechanism into the charging chamber of the swap station, specifically, the charging compartment in the charging chamber, for charging.

The control method cancels the process of repeatedly placing batteries in the stacker during the power exchange process, and improves the power exchange efficiency of the power exchange station.

Example 4

FIG. 6 illustrates the power exchange station of the fourth embodiment. The power exchange station of Example 4 is substantially the same as the power exchange station of Example 1, the difference is that the charging room includes a first chamber 301 and a second chamber 302, and the first chamber 301 and the second chamber 302 are respectively located in the power exchange platform. both sides. Both the first chamber 301 and the second chamber 302 are arranged with double-station palletizers and power exchange equipment, respectively. The first room 301 and the second room 302 work alternately. The power exchange equipment in the first room 301 removes the battery pack from the vehicle, and the power exchange equipment in the second room 302 installs the fully charged battery pack on the vehicle, which reduces the The time to wait for the battery replacement device to travel to and from the charging room speeds up the battery replacement process.

Example 5

FIG. 7 illustrates the power exchange station of the fifth embodiment. The power exchange station of Embodiment 5 is roughly the same as the power exchange station of Embodiment 1, the difference is that the power exchange platform includes a first platform 401 and a second platform 402, and the first platform 401 and the second platform 402 are respectively provided in the charging room. both sides.

The power exchange station corresponds to the first platform 401 and the second platform 402 respectively provided with power exchange equipment, so that the power exchange station can perform power exchange for two vehicles at the same time, reducing the queuing time of the vehicles.

The power exchange stations in Embodiments 1, 4, and 5 can be combined arbitrarily to form a multi-station power exchange station, so as to meet different power exchange requirements.

8-10 illustrate three modifications of the power exchange station based on Embodiments 1, 4 and 5.

FIG. 8 shows a four-station power exchange station, that is, two power exchange stations of Embodiment 5 are spliced together.

Fig. 9 shows a three-station power exchange station, in which the power exchange platform in the middle is the faster power exchange platform, and the power exchange platforms on both sides are the slower power exchange platforms, that is, the power exchange platform of Embodiments 4 and 5 is combined. Swap station.

FIG. 10 shows a six-station power exchange station, which is formed by splicing two power exchange stations of FIG. 9 .

The control method of Embodiment 3 can be adopted for the power exchange stations of Embodiments 1, 4, 5 and their modifications.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention unless otherwise indicated herein.

Although the specific embodiments of the present invention are described above, those skilled in the art should understand that this is only an illustration, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims (10)

1. A power swapping station, comprising: the battery replacing device, the double-station stacker crane, the battery replacing platform and the charging chamber are connected with each other;

the battery replacing equipment moves between the battery replacing platform and the charging chamber and is used for performing operations of disassembling and assembling batteries on the vehicle on the battery replacing platform;

the double-station stacker crane comprises a first pushing mechanism and a second pushing mechanism; the first push-out mechanism is used for taking and putting full-charge battery packs, and the second push-out mechanism is used for taking and putting insufficient-charge battery packs; the first push-out mechanism and the second push-out mechanism are respectively controlled and are used for exchanging batteries with the battery replacement equipment;

the battery replacement station further comprises a control unit, and the control unit is electrically connected with the double-station stacker crane and the battery replacement equipment.

2. The power station of claim 1, wherein the charging chamber comprises a new bay for storing a fully charged new battery and a charging bay for charging the battery.

3. The charging station as claimed in claim 1, further comprising a charging container connected to the charging chamber and provided with a plurality of supplementary charging compartments.

4. The battery swapping station of claim 1, wherein the charging chamber comprises a first chamber and a second chamber, and the first chamber and the second chamber are respectively disposed on two sides of the battery swapping platform.

5. The charging station as recited in claim 1, wherein the charging platform comprises a first platform and a second platform, and the first platform and the second platform are respectively disposed on two sides of the charging chamber.

6. The power station as recited in claim 1 wherein the double station palletizer further comprises a horizontal travelling mechanism for driving the first and second palletizing mechanisms to move horizontally together.

7. The swapping station of claim 1, wherein the first ejection mechanism and the second ejection mechanism are disposed side-by-side.

8. The swapping station of claim 1, wherein the first ejection mechanism and the second ejection mechanism are juxtaposed.

9. A control method of a power swapping station, which is applied to the power swapping station as claimed in any one of claims 1-8;

the control method comprises the following steps:

s1: after the control unit obtains a vehicle parking in-place signal, a first power changing instruction is sent to power changing equipment, and a second power changing instruction is sent to the double-station stacker crane;

after receiving the second battery replacement command, the double-station stacker crane controls the first push-out mechanism to take out the fully charged battery pack from the charging chamber and move to a battery replacement position of the battery replacement station for standby;

s2: the battery replacement equipment receives a first battery replacement instruction, then takes down an old battery from the vehicle, moves to a battery replacement position of a battery replacement station, and aligns to the second push-out mechanism;

s3: the second push-out mechanism takes down the insufficient battery pack on the battery replacement equipment;

s4: the double-station stacker crane moves horizontally or vertically so that the first push-out mechanism faces the battery replacement equipment;

s5: the first pushing mechanism is used for placing the fully charged battery pack on the battery replacing equipment;

s6: the battery replacement device mounts the full-charge battery pack to the vehicle.

10. The control method of the swapping station as claimed in claim 9, wherein the swapping method further comprises the steps of:

s7: and the double-station stacker moves to place the power-deficient battery pack on the second pushing mechanism into a charging room of the battery replacement station.

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