CN219769839U - Miniature power exchange station - Google Patents
Miniature power exchange station Download PDFInfo
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- CN219769839U CN219769839U CN202320769027.1U CN202320769027U CN219769839U CN 219769839 U CN219769839 U CN 219769839U CN 202320769027 U CN202320769027 U CN 202320769027U CN 219769839 U CN219769839 U CN 219769839U
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- charging
- charging frame
- power exchange
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- 230000007246 mechanism Effects 0.000 claims description 177
- 230000003028 elevating effect Effects 0.000 claims description 30
- 230000007306 turnover Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000032258 transport Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 230000007723 transport mechanism Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model provides a miniature power exchange station which comprises a vehicle parking device, a first charging frame, a battery lifting device and a second charging frame, wherein the vehicle parking device, the first charging frame, the battery lifting device and the second charging frame are sequentially arranged in a direction perpendicular to a vehicle driving-in and driving-out direction A, the vehicle parking device is used for parking and positioning a vehicle to exchange a battery pack, the first charging frame and the second charging frame are used for charging and discharging the battery pack, the battery lifting device is used for taking and placing the battery pack from the charging frame, and the power exchange device is used for exchanging the battery pack on the vehicle. The arrangement can make the structure of the power exchange station more compact, and is beneficial to reducing the occupied area of the power exchange station; meanwhile, the first charging frame and the second charging frame are respectively arranged on two sides of the battery lifting device, so that the battery storage quantity of a single miniature battery replacing station can be increased.
Description
The present utility model claims priority from chinese patent application CN2022103641609, with application date 2022, 4, 7. The present utility model incorporates the entirety of the above-mentioned chinese patent application.
Technical Field
The utility model relates to a miniature power exchange station.
Background
In recent years, new energy automobiles develop rapidly, electric vehicles which rely on storage batteries as driving energy have the advantages of zero emission and low noise, along with the market share and the use frequency of the electric vehicles are higher and higher, battery replacement stations for providing battery replacement places for the electric vehicles with electric vehicles are also more and more popular, but the existing battery replacement stations have larger occupied area, long station construction period and high cost, the requirements of quick batch construction in a short time cannot be met, and the situation of waste of battery replacement resources exists in the areas with low vehicle density and low operation pressure, meanwhile, the existing battery replacement stations cannot adaptively allocate battery replacement stations according to the size of the local battery replacement density and the conditions of the station construction sites so as to meet the difference requirements of the battery replacement densities in different areas, and the number of the battery replacement stations cannot be quickly matched and adjusted.
Disclosure of Invention
The utility model aims to overcome the defects of large occupied area and complex structure of a power exchange station in the prior art and provides a miniature power exchange station.
The utility model solves the technical problems by the following technical scheme:
the utility model provides a miniature power exchange station, its includes with perpendicular to vehicle drive-in and drive-out direction sets gradually vehicle parking device, first charging frame, battery elevating gear and second charging frame, vehicle parking device is used for supplying the vehicle to stop the location in order to carry out the change of battery package, first charging frame, second charging frame are used for carrying out charge and discharge to the battery package, battery elevating gear is used for following get on the charging frame put the battery package still includes the power exchange device, the power exchange device is used for changing the battery package on the vehicle.
In the scheme, the vehicle parking device, the first charging frame, the battery lifting device and the second charging frame are sequentially arranged in the direction perpendicular to the driving-in and driving-out direction of the vehicle, and the first charging frame is positioned between the vehicle parking device and the battery lifting device, so that the battery replacing device passes through the first charging frame in the process of conveying the battery, and the battery conveying paths of the first charging frame and the battery replacing device are overlapped, and the arrangement can enable the structure of the battery replacing station to be more compact, thereby being beneficial to reducing the occupied area of the battery replacing station; meanwhile, the first charging frame and the second charging frame are respectively arranged on two sides of the battery lifting device, so that the battery storage quantity of a single miniature battery replacing station can be increased.
The vehicle parking device is used for bearing and positioning the vehicle, so that the parking position of the vehicle is accurate relative to the miniature power exchange station, and the power exchange success rate is improved; the battery lifting device is used for taking and placing the battery, so that the purpose of conveying the battery along the height direction is achieved.
Preferably, the first charging frame comprises a first overground charging frame and a first underground charging frame which vertically penetrate through the ground, and the battery lifting device also comprises a bracket which vertically penetrates through the ground and a battery taking and placing mechanism which can vertically lift in the bracket;
and/or the second charging frame comprises a second overground charging frame and a second underground charging frame which are vertically communicated with the ground, and the battery lifting device also comprises a bracket which is vertically communicated with the ground and a battery taking and placing mechanism which can be vertically lifted in the bracket.
In the scheme, the parts of the first charging frame and the second charging frame are arranged underground, so that on one hand, the battery storage capacity of the miniature battery replacement station is ensured, and meanwhile, the risks of unstable gravity center, collapse and the like caused by overhigh extension of the charging frame on the ground are avoided; on the other hand, the battery can be charged underground, so that the space occupied by the micro-battery exchange station in the area above the ground can be reduced, and the micro-battery exchange station has higher battery storage capacity and simultaneously has lower occupied area and lower occupied space above the ground.
Preferably, the distance of the battery lifting device exposed out of the ground is 50-100cm, and the part of the battery lifting device exposed out of the ground is used for taking and placing the battery from the battery replacing device or the battery conveying device, and taking and placing the battery with the charging bin of the first underground charging frame after the battery lifting device descends below the ground.
In this embodiment, the part of the battery lifting device above the ground surface is only required to have a space for the battery changing device or the battery conveying device to take and place the battery, so that the distance of the battery lifting device above the ground surface should not be too high, and 50-100mm is the preferable height.
Preferably, the second underground charging frame is opposite to the first underground charging frame through the battery lifting device.
In this scheme, set up first secret charging frame and second secret charging frame respectively in battery elevating gear relative both sides for battery elevating gear can be towards relative first secret charging frame and the second secret charging frame of both sides direction respectively and get the battery.
Preferably, the power exchanging device is moved to and from the vehicle parking device and the battery lifting device.
In this scheme, trade electric installation and be used for taking off the battery that lacks the electricity from the vehicle bottom after the vehicle stops at vehicle parking device to carry the battery that takes off, transport the battery to the position department that is close to battery elevating gear, battery elevating gear is after taking the battery of sending, send the battery to first charging frame or second charging frame through the mode of rising, afterwards, battery elevating gear takes out full battery from first charging frame or second charging frame again, send the battery to the electric installation through the mode of decline, finally transport full battery to the vehicle bottom through the electric installation of changing, install the battery on the vehicle, realize quick change's purpose.
Preferably, the power exchanging device comprises at least one of an unlocking component, a positioning component, a horizontal moving component and a vertical lifting component.
In the scheme, the structure is adopted, so that the battery replacement device can be ensured to replace the battery relative to the vehicle successfully and transport the battery successfully.
Preferably, the power exchange station comprises a miniature box, and the battery lifting device, the first charging frame and the second charging frame are all placed in the miniature box.
In this scheme, protect battery elevating gear, first charging frame and second charging frame through miniature box, with above-mentioned equipment integration to a box in, form a box module, reduce the volume of trading the power station, also be convenient for install miniature trading the power station, improved battery elevating gear and charging frame's life, reduce the influence of external environment to battery elevating gear and charging frame work.
Preferably, the floor area of the micro-box is smaller than 12 square meters.
In the scheme, the structure is adopted, so that the miniature box body has the characteristic of compact structure, and the purpose of reducing the cost is realized.
Preferably, a wheel positioning mechanism is arranged on one side of the vehicle parking device, which is close to the battery lifting device, and is used for replacing the battery within a preset range when the vehicle is parked on the vehicle parking device.
In this scheme, the wheel alignment mechanism can ensure that the parking position of vehicle on the vehicle parking device is more accurate.
Preferably, the wheel alignment mechanism is provided only on a side of the vehicle parking device that is close to the battery lifting device.
In this scheme, wheel positioning mechanism only sets up in the one side that the vehicle parking device is close to battery elevating gear, does not set up wheel positioning mechanism in the one side of keeping away from battery elevating gear for wheel positioning mechanism only fixes a position left front wheel and a left rear wheel of vehicle, and this kind of structure setting makes the right side space of vehicle parking device be released completely, makes the vehicle parking device can possess other usage when not stopping the vehicle, for example supplies the vehicle to travel through etc. makes the structure of miniature power changing station compacter.
Preferably, the wheel positioning mechanism comprises an X-direction positioning mechanism and/or a Y-direction positioning mechanism which are/is used for driving the wheel to move and position along the X direction and the Y direction respectively, the X-direction positioning mechanism comprises a V-shaped groove positioning mechanism and/or a drag chain mechanism, and the Y-direction moving mechanism comprises a centering mechanism which is used for pushing the wheel to position from the inner side or the outer side of the wheel.
In this scheme, realize the vehicle in X to the location of orientation mechanism and Y orientation mechanism, utilize two directions to fix a position the vehicle and be favorable to guaranteeing the location accuracy of vehicle, and then be favorable to guaranteeing the smooth power changing of vehicle, wherein V type groove positioning mechanism is used for supplying at least one wheel of vehicle to get into in order to realize the location of X orientation, drag chain mechanism can use with V type groove positioning mechanism cooperation, also can use alone, drag chain mechanism is used for dragging V type groove and removes along X orientation, or drag the movable bearing mechanism of wheel below and remove along X orientation, in order to realize the vehicle and remove the location along X orientation, centering mechanism includes actuating mechanism and the push rod mechanism of connection actuating mechanism tip, push rod mechanism is used for contacting the wheel hub part of wheel, promote the wheel and remove along Y orientation under actuating mechanism's drive, in order to realize the removal location along Y orientation of vehicle, wherein, the X orientation is along electric automobile's length direction, Y orientation is along electric automobile's width direction, the adjustment of vehicle gesture is in the position of cooperateing with the power changing device of below through wheel positioning mechanism, be convenient for electric automobile and battery is in.
Preferably, the vehicle parking device is provided with a vehicle lifting mechanism for lifting the vehicle in the vertical direction.
In this solution, the vehicle is lifted by the vehicle lifting mechanism to provide sufficient battery exchanging space.
Preferably, the battery lifting device is provided with a telescopic mechanism for taking the battery, and the telescopic direction of the telescopic mechanism is parallel to the battery conveying direction of the battery replacing device.
In the scheme, after the battery with the low power consumption is taken down by the power conversion device, the battery with the low power consumption on the power conversion device can be taken down by the telescopic mechanism, so that the battery with the low power consumption is put on the first charging frame or the second charging frame in the later period; after the battery lifting device removes the full-charge battery from the first charging frame or the second charging frame, the full-charge battery can be placed on the battery replacing device through the telescopic mechanism, so that the battery is installed on the vehicle by the battery replacing device at a later stage.
Preferably, the battery lifting device has a lifting mechanism movable in a vertical direction for moving the battery pack in the vertical direction.
In this scheme, elevating system sends the battery to first charging frame or in the second charging frame through the mode of rising, later elevating system takes out the battery of full electricity from the charging frame again to elevating system descends, with the battery to the battery replacement device, has made things convenient for getting of battery to put, thereby realizes transporting the purpose of battery in the direction of height through elevating system.
Preferably, the power conversion device includes:
a battery replacement mechanism fixed to the vehicle parking device;
a battery conveying mechanism arranged between the battery replacing mechanism and the battery lifting device;
the battery replacing mechanism is used for disassembling and assembling the battery relative to the vehicle, and the battery conveying mechanism is used for conveying the battery between the battery replacing mechanism and the battery lifting device.
In this scheme, battery replacement mechanism is used for taking off the battery package of insufficient power from the vehicle bottom after the vehicle stops at vehicle parking device, battery conveying mechanism carries the battery package of taking off, transport the battery package to the position department that is close to battery elevating gear, battery elevating gear is in the mode of rising after taking the battery package of sending over and is sent the battery package to a certain charge position of charging frame, afterwards, battery elevating gear takes out the battery package of full power from another charge position again, send the battery package to the change device through the mode of decline, finally transport the battery package of full power to the vehicle bottom through battery conveying mechanism, install the battery package on the vehicle, realize quick change's purpose, this kind of change device's structural scheme structure is simple relatively, it is high to transport battery.
Preferably, the battery conveying mechanism is a roller, a belt or a double-speed chain;
and/or the battery lifting device is also provided with a roller, a belt or a double-speed chain for taking and placing the battery relative to the battery conveying mechanism;
and/or, a roller, a belt or a speed-doubling chain is also arranged in each charging bin of the charging frame and used for taking and placing batteries relative to the battery lifting device;
and/or the battery replacing mechanism is provided with a transition transmission mechanism which is used for being matched with the battery conveying mechanism to carry out the transmission of the battery.
In this scheme, battery package of insufficient power that battery replacement mechanism was dismantled from the vehicle bottom removes to battery conveying mechanism through this transition conveying mechanism on, rethread battery conveying mechanism is with battery package transmission being close to battery elevating gear's position department, and battery elevating gear is convenient for get and put, has realized the transmission that need not to remove battery replacement mechanism and can realize the battery package between vehicle parking device and battery elevating gear, has avoided the problem that the battery replacement device bulk movement brought complicated structure, the control degree of difficulty is high, is convenient for realize the long-distance transmission of battery, and the speed of transportation of battery is adjusted to the speed that still accessible doubly takes turns simultaneously.
Preferably, the first charging frame has a battery transfer area at a position overlapping with the battery conveying direction of the battery changing device, and the battery transfer area is used for stopping the battery conveyed by the battery changing device and transferring the battery with the battery lifting device.
In this scheme, based on the overall arrangement of this scheme to first charging frame, battery elevating gear and vehicle parking device, first charging frame will have the overlapping with the battery transport route of battery replacement equipment, and this scheme sets up the battery handing-over district in the overlapping department, and the battery handing-over district is used for supplying the battery that the battery replacement device carried to berth for battery elevating gear can be in this department handing-over battery, and the battery that is convenient for the battery replacement device berth is berth in order to carry out the exchange of battery package.
Preferably, a battery turnover device is arranged in the battery connection area, and the battery turnover device is used for directly taking or placing the battery relative to the battery replacement device.
In this scheme, set up battery turnover device in the battery exchange district, the required high accuracy demand of counterpoint of battery and the longer problem of latency have been avoided trading electric installation and battery elevating gear direct exchange battery, promptly after the battery package has been dismantled to the electric installation, remove the battery package to the battery handing-over district after, can carry out the battery dismantlement operation of vehicle at the back, wait for battery elevating gear to remove the battery package to the battery handing-over district, the effect that the change electric control is more nimble, efficiency is higher has been realized, after the battery horizontal migration who trades down on the vehicle is carried to the battery handing-over district that is close to battery elevating gear arrangement to the electric installation, battery turnover device takes away this battery and temporarily stores in battery turnover device, make battery elevating gear can be fast, directly place the battery that is full of charge on the electric installation, in order to realize quick handing-over battery, the purpose for the change electric efficiency.
The utility model has the positive progress effects that:
according to the utility model, the vehicle parking device, the first charging frame, the battery lifting device and the second charging frame are sequentially arranged in the direction perpendicular to the driving-in and driving-out direction of the vehicle, so that the first charging frame is positioned between the vehicle parking device and the battery lifting device, the battery replacing device passes through the first charging frame in the process of conveying the battery, and the battery conveying paths of the first charging frame and the battery replacing device are overlapped; meanwhile, the first charging frame and the second charging frame are respectively arranged on two sides of the battery lifting device, so that the battery storage quantity of a single miniature battery replacing station can be increased. The vehicle parking device is used for bearing and positioning the vehicle, so that the parking position of the vehicle is accurate relative to the miniature power exchange station, and the power exchange success rate is improved; the battery lifting device is used for taking and placing the battery, so that the purpose of conveying the battery along the height direction is achieved.
Drawings
Fig. 1 is a schematic layout diagram of a micro-power exchange station according to a preferred embodiment of the utility model.
Fig. 2 is a second layout diagram of a micro-battery exchange station according to a preferred embodiment of the utility model.
Fig. 3 is a schematic layout diagram of a micro-battery exchange station according to a preferred embodiment of the utility model.
Fig. 4 is a layout diagram of a micro-battery exchange station according to a preferred embodiment of the utility model.
Fig. 5 is a schematic layout diagram of a micro-battery exchange station according to a preferred embodiment of the utility model.
Fig. 6 is a layout diagram of a micro-battery exchange station according to a preferred embodiment of the utility model.
Fig. 7 is a layout diagram of a micro-battery exchange station according to a preferred embodiment of the utility model.
Description of the reference numerals
Miniature power exchange station 100
Vehicle parking device 10
First charging stand 30a
Battery lifting device 20
Second charging stand 30b
Battery changing device 40
First ground charging rack 30c
First underground charging rack 30d
Second underground charging rack 30f
Micro-box 60
Wheel alignment mechanism 11
Battery transport mechanism 42
Cell interface 31
Battery turnover device 33
Vehicle 200
Battery 300
Charging bin 32
Battery replacement mechanism 41
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.
The present embodiment discloses a mini power exchanging station 100, as shown in fig. 1, which includes a vehicle parking device 10, a first charging rack 30a, a battery lifting device 20 and a second charging rack 30b, which are sequentially arranged in a direction perpendicular to a driving-in and driving-out direction a of a vehicle 200, wherein the vehicle parking device 10 is used for parking and positioning the vehicle 200 for exchanging a battery pack, the first charging rack 30a and the second charging rack 30b are used for charging and discharging the battery pack, the battery lifting device 20 is used for taking a discharging battery pack from the charging rack, and the mini power exchanging station further includes a power exchanging device 40, and the power exchanging device 40 is used for exchanging the battery pack on the vehicle 200.
By arranging the vehicle parking device 10, the first charging frame 30a, the battery lifting device 20 and the second charging frame 30b in order perpendicular to the in-and-out direction of the vehicle 200, so that the first charging frame 30a will be located between the vehicle parking device 10 and the battery lifting device 20, the battery replacing device 40 will pass through the first charging frame 30a in the process of transporting the battery 300, and thus the transporting paths of the battery 300 of the first charging frame 30a and the battery replacing device will have overlapping, and the layout can make the structure of the battery replacing station more compact, which is beneficial to reducing the occupied area of the battery replacing station; meanwhile, the first and second charging frames 30a and 30b are provided at both sides of the battery lifting device 20, respectively, so that the number of stored batteries 300 of the single micro battery exchange station 100 can be increased. The vehicle parking device 10 is used for carrying and positioning the vehicle 200, so that the parking position of the vehicle 200 is accurate relative to the micro power exchange station 100, and the power exchange success rate is improved; the purpose of transporting the battery 300 in the height direction is achieved by taking the battery 300 and placing the battery 300 by the battery lifting device 20.
In another embodiment, as shown in fig. 5, the first charging rack 30a includes a first ground charging rack 30c and a first underground charging rack 30d penetrating up and down through the ground, the battery lifting device 20 also includes a bracket penetrating up and down through the ground, and a battery taking and placing mechanism capable of lifting up and down in the bracket; the second charging stand 30b includes a second ground charging stand and a second underground charging stand penetrating up and down the ground, and the battery lifting device 20 also includes a bracket penetrating up and down the ground, and a battery taking and placing mechanism capable of lifting up and down in the bracket. By arranging the portions of the first charging stand 30a and the second charging stand 30b underground, on the one hand, the battery storage capacity of the micro-battery-replacement-station 100 is ensured, and meanwhile, the risk that the charging stand protrudes too high on the ground to have unstable gravity center, collapse and the like is avoided. Meanwhile, if the battery is burnt or exploded, the battery is arranged underground, so that the harm caused by fire and explosion is reduced, the underground enclosed space is convenient to rapidly treat dangerous cases, the occupied area of the power exchange station on the ground is reduced, and a plurality of power exchange stations are convenient to arrange on the ground.
In another embodiment, as shown in fig. 6, the first charging stand 30a includes a first underground charging stand 30d located below the ground, and the battery lifting device 20 includes a bracket penetrating up and down through the ground, and a battery taking and placing mechanism lifting up and down in the bracket. By arranging the first underground charging frame 30d underground, the battery 300 can be charged underground, so that the space occupied by the micro-battery-exchange station 100 in the above-ground area can be reduced, and the micro-battery-exchange station 100 has higher battery storage capacity and simultaneously has lower occupied area and lower occupied space above the ground area. The battery taking and placing mechanism can move up and down between the ground and the underground under the support and the guide of the bracket, and the battery 300 is taken from each charging rack. The battery taking and placing mechanism rises to the above ground along the support to exchange batteries with the battery changing device 40 or the battery turnover device 33, wherein a battery connecting area 31 is arranged at the top of the first underground charging frame 30d and used for stopping the battery changing device 40 to exchange batteries, and a battery turnover device 33 is arranged in the battery connecting area 31 and used for directly taking or placing batteries relative to the battery changing device 40.
Preferably, the distance of the battery lifting device 20 exposed above the ground is 50-100cm, and the portion of the battery lifting device 20 exposed above the ground is used for taking the battery 300 from the battery changing device 40 or the battery transporting device, and taking and placing the battery 300 with the charging bin 32 of the first underground charging stand 30d after being lowered below the ground. The portion of the battery lifting device 20 above the ground surface may have a space required for the battery changing device 40 or the battery transporting device to take out the battery 300, and therefore the distance of the battery lifting device 20 above the ground surface should not be excessively high, and 50 to 100mm is a preferable height. The battery lifting device 20 performs the taking and placing of the battery 300 with the charging bin 32 of the first underground charging stand 30d after being lowered below the ground so that the battery 300 is charged underground.
The upper end of the first underground charging frame 30d may be exposed to the ground. In other embodiments, the upper end of the first underground charging frame 30d may be entirely underground, with only the upper end of the battery lifting device 20 exposed to the ground.
More preferably, as shown in fig. 7, the second charging stand 30b includes a second underground charging stand 30f located below the ground, the second underground charging stand 30f being on the opposite side of the battery lifting device 20 from the first underground charging stand 30 d. The first underground charging frame 30d and the second underground charging frame 30f are respectively arranged at two opposite sides of the battery lifting device 20, so that the battery lifting device 20 can take and put batteries towards the two opposite sides of the first underground charging frame 30d and the second underground charging frame 30 f. In which the first underground charging frame 30d is also entirely located underground, so that the distance between the vehicle parking device 10 and the battery lifting device 20 can also be set closer.
The battery exchanging device 40 moves to and from the vehicle parking device 10 and the battery lifting device 20. The battery changing device 40 is used for removing the battery 300 with insufficient power from the bottom of the vehicle 200 after the vehicle 200 is stopped at the vehicle parking device 10, carrying the removed battery 300, transporting the battery 300 to a position close to the battery lifting device 20, lifting the battery 300 to the first charging rack 30a or the second charging rack 30b by the battery lifting device 20 after the battery 300 is removed, then taking the battery 300 with full power from the first charging rack 30a or the second charging rack 30b by the battery lifting device 20, transporting the battery 300 to the battery changing device 40 by the descending mode, finally transporting the battery 300 with full power to the bottom of the vehicle 200 by the battery changing device 40, and installing the battery 300 on the vehicle 200, thereby achieving the purpose of quick power changing.
The power conversion device 40 includes at least one of an unlocking assembly, a positioning assembly, a horizontal movement assembly, and a vertical lifting assembly to ensure that the power conversion device 40 successfully converts the battery 300 with respect to the vehicle 200 and successfully transports the battery 300.
The unlocking component is used for unlocking the battery on the battery-changing vehicle so as to detach the battery. Be equipped with the locking mechanism on the vehicle, the battery passes through the locking mechanism locking and connects on the vehicle, the locking mechanism can be buckle locking mechanism, the rotatory locking mechanism of T type, the bolt locking mechanism, the pearl locking mechanism rises, the bolt locking mechanism, one of articulated locking mechanism, unlocking component is the mechanism that can carry out the unblock to at least one of above-mentioned locking mechanism, unlocking component can directly act on above-mentioned locking mechanism, or carry out the unblock operation to the locking mechanism indirectly through the transition unlocking mechanism that acts on the battery, when changing battery operation, the battery changing device 40 is changing, the battery changing device 40 moves to the bottom of vehicle 200 through the horizontal migration subassembly, vertical lifting assembly rises unlocking component to the height with locking mechanism unlocking point matched with, unlocking component carries out the unblock operation to the locking mechanism, battery changing device 40 drives the battery of dismantling and leaves the vehicle 200 bottom. In the process of lifting the unlocking component by the vertical lifting component, the positioning component is used for realizing the alignment with the bottom of the vehicle, so that the unlocking component can be unlocked accurately.
The positioning assembly comprises a positioning rod or a positioning fork, the positioning rod is matched with the positioning hole, the top of the positioning fork is provided with a positioning groove, and the positioning groove is matched with a positioning seat on the vehicle. The positioning holes can be arranged on the battery or the chassis of the vehicle, and the positioning is realized through the matching of the rods and the holes. For example, the locating lever can align with a locating hole on the battery to locate the battery when the battery changing device is moved to the battery removal position. For example, the two positioning rods can be aligned with the limiting holes on the chassis of the vehicle when the battery replacing device is at the battery disassembling position so that the battery replacing device and the vehicle are kept in fixed positioning relatively, the positioning fork is clamped and positioned with the positioning seat on the vehicle through the positioning groove, and the inner wall of the positioning groove is matched with the shape of the positioning seat.
The horizontal movement assembly is one of a synchronous belt driving mechanism, a gear rack driving mechanism and a chain wheel and chain driving mechanism, and the driving mechanism drives the power exchanging device to move between the vehicle parking device and the charging frame.
The vertical lifting component is one of a scissor type lifting mechanism, a cam lifting mechanism and a rigid chain lifting mechanism, and the unlocking component is driven to vertically lift through the vertical lifting component. Of course, in other embodiments, the screw rod may be a vertically arranged screw rod, and the screw rod is connected with a sliding block in a threaded manner, and the sliding block is driven to ascend or descend by the rotation of the screw rod.
In another embodiment, the battery exchange station includes a miniature box 60, and the battery lifting device 20, the first charging stand 30a and the second charging stand 30b are all disposed in the miniature box 60. The battery lifting device 20, the first charging frame 30a and the second charging frame 30b are protected through the miniature box 60, the service lives of the battery lifting device 20 and the charging frame are prolonged, and the influence of the external environment on the work of the battery lifting device 20 and the charging frame is reduced.
The floor area of the micro-box 60 is smaller than 12 square meters, so that the micro-box 60 has the characteristic of compact structure, and the purpose of reducing cost is achieved.
The number of the battery lifting devices 20 is one, and a plurality of charging bins 32 are uniformly distributed in the height direction on the first charging frame 30a and the second charging frame 30 b. The battery lifting device 20 has a lifting mechanism movable in the vertical direction for moving the battery pack in the vertical direction.
The vehicle parking device 10 is provided with a wheel alignment mechanism 11 on a side thereof adjacent to the battery lifting device 20 for replacing the battery 300 within a preset range for parking the vehicle 200 on the vehicle parking device 10, thereby ensuring a more accurate parking position of the vehicle 200 on the vehicle parking device 10.
The wheel alignment mechanism 11 is only arranged on one side of the vehicle parking device 10, which is close to the battery lifting device 20, and one side of the vehicle parking device 10, which is far away from the battery lifting device 20, is not provided with the wheel alignment mechanism 11, so that the wheel alignment mechanism 11 only positions the left front wheel and the left rear wheel of the vehicle 200.
In another embodiment, the wheel alignment mechanism 11 includes an X-direction alignment mechanism and/or a Y-direction alignment mechanism, which are respectively used to drive the wheel to move and align along the X-direction and the Y-direction, the X-direction alignment mechanism includes a V-groove alignment mechanism and/or a drag chain mechanism, and the Y-direction movement mechanism includes a centering mechanism, which is used to push the wheel from the inside or outside of the wheel to perform alignment. Positioning the vehicle 200 in two directions is beneficial to ensuring the positioning accuracy of the vehicle 200, and further beneficial to ensuring the smooth power exchange of the vehicle 200. The V-shaped groove positioning mechanism is used for at least one wheel of the vehicle 200 to enter so as to realize the positioning in the X direction, the drag chain mechanism can be matched with the V-shaped groove positioning mechanism for use, and can also be used independently, the drag chain mechanism is used for dragging the V-shaped groove to move in the X direction or dragging a movable bearing mechanism below the wheel to move in the X direction so as to realize the moving positioning of the vehicle in the X direction, the centering mechanism comprises a driving mechanism and a push rod mechanism connected with the end part of the driving mechanism, the push rod mechanism is used for contacting with the hub part of the wheel, and pushing the wheel to move in the Y direction under the driving of the driving mechanism so as to realize the moving positioning of the vehicle in the Y direction, wherein the X direction is the length direction of the vehicle, the Y direction is the width direction of the vehicle, and the vehicle posture is adjusted by the wheel positioning mechanism so that the vehicle and a power exchanging device below are in the matched position, and the battery is replaced.
The vehicle parking apparatus 10 has thereon a vehicle lifting mechanism for lifting the vehicle 200 in a vertical direction to provide a sufficient battery exchanging space. The vehicle lifting mechanism can lift wheels or a vehicle bracket, and the specific lifting mechanism can be a scissor type lifting mechanism, a rigid chain lifting mechanism or other mechanisms capable of lifting the vehicle in the height direction.
The battery lifting device 20 has a telescopic mechanism for taking and placing the battery 300, and the telescopic direction of the telescopic mechanism is parallel to the battery conveying direction of the battery changer 40. When the power exchanging device 40 takes down the battery with low power, the power-off battery on the power exchanging device 40 can be taken down through the telescopic mechanism, so that the power-off battery 300 can be put on the first charging frame 30a or the second charging frame 30b at a later stage; after the battery lifting device 20 removes the full battery 300 from the first charging stand 30a or the second charging stand 30b, the full battery may be placed on the battery changing device 40 by a telescopic mechanism so that the battery changing device 40 may mount the battery to the vehicle 200 at a later stage.
In another embodiment, the telescopic mechanism comprises a driving unit and a telescopic unit, the telescopic unit has a telescopic function, the telescopic unit bears a battery pack, and the driving unit can drive the telescopic unit to stretch out or retract back to drive the battery 300 so as to take out the battery. In alternative embodiments, the telescoping mechanism may also select other mechanisms with telescoping functionality.
The battery lifting device 20 has a lifting mechanism capable of moving along the vertical direction, and is used for moving the battery pack in the vertical direction, and the telescopic mechanism is arranged on the lifting mechanism to match charging bins 32 at different height positions on the charging rack, and the lifting mechanism can be a sprocket chain, a gear rack lifting mechanism.
The lifting mechanism delivers the battery 300 to the first charging stand 30a or the second charging stand 30b in a lifting manner, and then the lifting mechanism takes out the full battery 300 from the charging stand, and the lifting mechanism descends to deliver the battery 300 to the battery changing device 40, so that the battery 300 is conveniently taken and placed, and the purpose of delivering the battery in the height direction is achieved through the lifting mechanism.
In other embodiments, unlike the foregoing embodiments, as shown in fig. 3, the power exchanging device 40 includes a battery exchanging mechanism 41 fixed to the vehicle parking device 10, and a battery conveying mechanism 42 provided between the battery exchanging mechanism 41 and the battery lifting device 20; the battery replacement mechanism 41 is used to attach and detach the battery 300 to and from the vehicle 200, and the battery transport mechanism 42 is used to transport the battery 300 between the battery replacement mechanism 41 and the battery lifting device 20. The structure of the power exchanging device 40 is relatively simple, and the efficiency of transporting the battery 300 is high.
The battery conveying mechanism 42 is a roller, a belt or a double-speed chain, and conveys the battery 300 by means of belt transmission. The battery conveying mechanism 42 in this embodiment is a roller (see fig. 3).
The battery lifting device 20 is also provided with a roller, a belt or a double-speed chain for taking the battery 300 from the battery conveying mechanism 42. A roller, belt or speed chain is also provided in each charging compartment of the charging rack for picking and placing the battery 300 relative to the battery lifting device 20.
In this embodiment, the battery replacing mechanism 41 is further provided with a transition transmission mechanism, and the transition transmission mechanism is used to cooperate with the battery conveying mechanism 42 to perform the transmission of the battery 300.
The battery changing device 40 in this embodiment can adopt a mode that the battery changing trolley travels reciprocally in the driving tunnel, so as to achieve the purposes of taking the battery 300 from the vehicle 200 and transporting the battery 300 between the vehicle parking device 10 and the battery lifting device 20. Of course, in other embodiments, the power exchanging device 40 may also use any other structure existing in the prior art to achieve the purpose of exchanging the battery 300 and transporting the battery 300 horizontally.
As shown in fig. 2, the first charging frame 30a has a battery transfer area 31 at a position overlapping with the battery conveying direction B of the power exchanging device 40, the battery transfer area 31 is used for the battery 300 conveyed by the power exchanging device 40 to stop and transfer the battery 300 with the battery lifting device 20, and based on the layout of the first charging frame 30a, the battery lifting device 20 and the vehicle parking device 10 in the present embodiment, the battery conveying paths of the first charging frame 30a and the power exchanging device will have an overlapping position, and the present embodiment sets the battery transfer area 31 at the overlapping position, and the battery transfer area 31 is used for the battery conveyed by the power exchanging device 40 to stop, so that the battery lifting device 20 can transfer the battery 300 thereat. The battery transfer area 31 is disposed at the bottom of the first charging stand 30a, specifically, at the bottom of the first ground charging stand 30 c.
As shown in fig. 4, a battery turnover device 33 is disposed in the battery transfer area 31, and the battery turnover device 33 is used for directly taking or placing the battery 300 relative to the battery replacement device 40. After the battery changing device 40 horizontally moves to the battery interface 31 disposed near the battery lifting device 20 with the battery 300 being changed from the vehicle 200, the battery transferring device 33 removes and temporarily stores the battery 300 in the battery transferring device 33. So that the battery lifting device 20 can rapidly and directly place the fully charged battery 300 on the battery replacing device 40, thereby achieving the purposes of rapidly handing over the battery and accelerating the battery replacing efficiency.
In another embodiment, the battery turnover device comprises a motor, a swing arm and a tray installed on the swing arm, the motor drives the swing arm to rotate in a horizontal plane, and then drives the tray to turn over from a first position to a second position so as to transfer the battery out of the charging frame from a battery interface area below the charging frame for taking by the battery replacement device, or transfer the battery from the outside of the charging frame to a battery interface area below the charging frame for transferring to the charging frame.
Preferably, after the battery 300 is installed on the battery 300, the battery transferring device 33 may return to the battery transferring area 31 after the battery 300 is moved to the bottom of the vehicle 200 by the battery replacing device 40, and the battery 300 is placed on the battery replacing device 40 again by the battery transferring device 33, so that the battery 300 can be removed by the battery lifting device 20 and placed in a certain charging bin 32 of the charging rack for charging.
In other embodiments, the battery lifting device 20 may also directly remove the battery 300 from the battery turnover device 33 in the horizontal direction through its extending mechanism.
In this embodiment, the battery turnover device 33 is a clamping mechanism with lifting capability, and the top surface or the side surface of the battery 300 is clamped to achieve the purpose of quickly taking the battery 300 away.
In the present embodiment, the battery lifting device 20, the first charging stand 30a and the second charging stand 30b are of equal width, which facilitates structural design and manufacture. There are 4 posts at four end angular positions of the battery lifting device 20, wherein 2 posts near the first charging frame 30a are multiplexed into posts of the first charging frame 30a, and 2 posts near the second charging frame 30b are multiplexed into posts of the second charging frame 30b, so as to simplify the number of posts and achieve the purpose of weight reduction and cost reduction.
Preferably, the upright posts of the battery lifting device 20, the first charging frame 30a and the second charging frame 30b together form a framework or a supporting column of the micro-sized box 60, that is, the side surface or the top surface of the box of the micro-sized box 60 can be directly installed on the upright post of the battery lifting device 20 or the upright post of the charging frame, so that the structure of the micro-sized box 60 is simpler and the cost is reduced. Meanwhile, the connection relationship between the micro-sized case 60 and the battery lifting device 20 and the charging frame is more compact. Finally, the footprint of the micro-tank 60 may be further controlled such that the footprint of the micro-tank 60 is equal to or close to the footprint of the battery lifting device 20 and the charging rack.
Preferably, the vehicle parking device 10 includes a vehicle platform extending in the vehicle 200 driving-in and driving-out direction a, and the floor area of the vehicle platform should be equal to or larger than the floor area of the vehicle 200, on which the vehicle 200 is completely carried during the power change. In the present embodiment, the length of the loading platform should be greater than the length of the micro casing 60 along the in-and-out direction of the vehicle 200. Specifically, the ratio of the length of the vehicle platform to the length of the micro-housing 60 is between 1.1 and 1.5.
Preferably, the first charging stand 30a and/or the second charging stand 30b have the capability of simultaneously compatibly placing 1-3 different sized batteries 300, and in particular, the size of the charging bin 32 within the charging stand should be sufficiently redundant so that all 3 different form factor batteries 300 can be placed at the lower surface of the charging bin 32.
Preferably, the first charging stand 30a and/or the second charging stand 30b should have 3-10 battery bins in the vertical direction to carry more batteries 300 with a limited footprint, and the number of battery bins of a single charging stand is controlled below 10 for convenience in design, processing and manufacturing.
Preferably, the vehicle parking apparatus 10 includes a lifting mechanism for lifting the vehicle 200 and a driving tunnel for the power supply device 40 to reciprocate between the vehicle parking apparatus 10 and the battery lifting apparatus 20. In this embodiment, both the lifting mechanism and the ride may be formed within the vehicle platform.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (15)
1. The utility model provides a miniature power exchange station, its characterized in that includes parking device, first charging frame, battery elevating gear and the second charging frame that set gradually with perpendicular to vehicle drive-in and drive-out direction, parking device is used for supplying the vehicle to stop the location in order to carry out the change of battery package, first charging frame, second charging frame are used for carrying out charge and discharge to the battery package, battery elevating gear is used for following get on the charging frame put the battery package still includes the power exchange device, the power exchange device is used for changing the battery package on the vehicle.
2. The micro power exchange station as set forth in claim 1, wherein the first charging rack comprises a first ground charging rack and a first underground charging rack which penetrate up and down through the ground, the battery lifting device also comprises a bracket penetrating up and down through the ground, and a battery taking and placing mechanism which can lift up and down in the bracket;
and/or the second charging frame comprises a second overground charging frame and a second underground charging frame which are vertically communicated with the ground, and the battery lifting device also comprises a bracket which is vertically communicated with the ground and a battery taking and placing mechanism which can be vertically lifted in the bracket.
3. The micro-battery exchange station of claim 1, wherein the first charging rack comprises a first underground charging rack located below ground, the battery lifting device comprises a bracket penetrating the ground up and down, and a battery taking and placing mechanism capable of lifting up and down in the bracket.
4. A miniature power exchange station according to claim 3, wherein the distance of the battery lifting device above ground is 50-100cm, the portion of the battery lifting device above ground is used for taking and placing batteries from the power exchange device or battery conveying device, and taking and placing batteries with the charging bin of the first underground charging rack after the battery lifting device is lowered below ground;
and/or the second charging frame comprises a second underground charging frame positioned below the ground, and the second underground charging frame is opposite to the first underground charging frame relative to the battery lifting device.
5. A miniature power exchange station according to claim 1, wherein said power exchange means is to and from between said vehicle parking means and said battery lifting means;
and/or the power conversion device comprises at least one of an unlocking component, a positioning component, a horizontal movement component and a vertical lifting component.
6. The miniature power exchange station of claim 1, wherein said station comprises a miniature housing, said battery lifting device, said first charging rack and said second charging rack being disposed within said miniature housing.
7. The miniature power exchange station of claim 6, wherein said miniature cabinet has a footprint of less than 12 square meters.
8. The micro power exchange station as set forth in claim 1, wherein a wheel alignment mechanism is provided on a side of the vehicle parking device adjacent to the battery lifting device for allowing the vehicle to be parked on the vehicle parking device within a predetermined range for battery replacement.
9. The micro power exchange station of claim 8, wherein the wheel alignment mechanism is disposed only on a side of the vehicle parking device adjacent to the battery lifting device.
10. A micro power exchange station according to claim 9, wherein the wheel positioning mechanism comprises an X-direction positioning mechanism and/or a Y-direction positioning mechanism, the X-direction positioning mechanism comprises a V-groove positioning mechanism and/or a drag chain mechanism, the Y-direction positioning mechanism comprises a centering mechanism, and the centering mechanism is used for pushing the wheel from the inner side or the outer side of the wheel to perform positioning.
11. The micro power exchange station of claim 1, wherein the vehicle parking device has a vehicle lifting mechanism thereon for lifting the vehicle in a vertical direction;
and/or the battery lifting device is provided with a telescopic mechanism for taking the battery, and the telescopic direction of the telescopic mechanism is parallel to the battery conveying direction of the battery replacing device;
and/or the battery lifting device is provided with a lifting mechanism capable of moving along the vertical direction and is used for moving the battery pack along the vertical direction.
12. A miniature power exchange station as set forth in claim 1, wherein said power exchange means comprises:
a battery replacement mechanism fixed to the vehicle parking device;
a battery conveying mechanism arranged between the battery replacing mechanism and the battery lifting device;
the battery replacing mechanism is used for disassembling and assembling the battery relative to the vehicle, and the battery conveying mechanism is used for conveying the battery between the battery replacing mechanism and the battery lifting device.
13. A micro-battery exchange station according to claim 12, wherein the battery transport mechanism is a roller, belt or double speed chain;
and/or the battery lifting device is also provided with a roller, a belt or a double-speed chain for taking and placing the battery relative to the battery conveying mechanism;
and/or, a roller, a belt or a speed-doubling chain is also arranged in each charging bin of the charging frame and used for taking and placing batteries relative to the battery lifting device;
and/or the battery replacing mechanism is provided with a transition transmission mechanism which is used for being matched with the battery conveying mechanism to carry out the transmission of the battery.
14. A miniature power exchange station according to claim 1, wherein said first charging frame has a battery interface region at a location overlapping with a battery transport direction of said power exchange means, said battery interface region for docking a battery transported by said power exchange means and interfacing said battery with said battery lifting means.
15. A miniature power exchange station according to claim 14, wherein a battery turnover means is provided in the battery interface for taking or placing batteries directly against the power exchange means.
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| CN219769843U (en) | 2023-09-29 |
| CN116890794A (en) | 2023-10-17 |
| CN116890796A (en) | 2023-10-17 |
| CN116890792A (en) | 2023-10-17 |
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| CN116890793A (en) | 2023-10-17 |
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| CN219769842U (en) | 2023-09-29 |
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| CN220298470U (en) | 2024-01-05 |
| CN219769838U (en) | 2023-09-29 |
| CN219769846U (en) | 2023-09-29 |
| CN220009712U (en) | 2023-11-14 |
| CN116890791A (en) | 2023-10-17 |
| CN116890788A (en) | 2023-10-17 |
| CN219769836U (en) | 2023-09-29 |
| CN219769840U (en) | 2023-09-29 |
| CN219769837U (en) | 2023-09-29 |
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