CN109515403B - Electric vehicle charging and battery changing system adopting AGV trolley - Google Patents
Electric vehicle charging and battery changing system adopting AGV trolley Download PDFInfo
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- CN109515403B CN109515403B CN201811614905.2A CN201811614905A CN109515403B CN 109515403 B CN109515403 B CN 109515403B CN 201811614905 A CN201811614905 A CN 201811614905A CN 109515403 B CN109515403 B CN 109515403B
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- 238000003860 storage Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims description 47
- 238000007667 floating Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 27
- 230000000712 assembly Effects 0.000 description 15
- 238000000429 assembly Methods 0.000 description 15
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000012546 transfer Methods 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
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides an electric vehicle charging and replacing system adopting an AGV trolley, which comprises a battery box storage platform and a battery replacing system. The battery box storage platform is used for storing the battery box and charging the battery box. The battery box lifting device comprises a battery box storage platform and a battery box lifting device, wherein the battery box storage platform is used for storing battery boxes, the battery box lifting device is used for lifting the battery boxes, and the battery boxes are lifted by the aid of the battery box storage platform. According to the charging and replacing system of the electric vehicle, the AGV trolley can move forward according to the moving path and can move freely in each area, so that the battery box can be conveniently and rapidly hoisted, replaced and transported in the appointed area. The whole electric vehicle charging and replacing system is compact in structure, small in size and small in occupied area, large-scale equipment and complex control are not needed, and the battery box is convenient to store, manage and timely charge.
Description
Technical Field
The invention relates to the technical field of new energy electric vehicles, in particular to an electric vehicle charging and changing system adopting an AGV trolley.
Background
The electric automobile replaces oil with electricity, can realize zero emission and low noise, and is an important means for solving the energy and environmental problems. With the shortage of petroleum resources and the development of battery technology, electric automobiles are approaching to or even superior to traditional fuel automobiles in performance and economy, and are gradually popularized and applied worldwide. A new generation of energy-saving and environment-friendly automobiles represented by electric automobiles is a necessary trend of the development of the automobile industry. As an important premise and foundation for large-scale popularization and application of electric vehicles, development of electric vehicle charging and replacing technology and construction of electric vehicle charging and replacing facilities are widely focused by all parties. The battery box of the electric automobile can be positioned at the bottom of the automobile or at the side surface of the automobile. The power is provided for the automobile through the battery box. The matched electric vehicle charging and replacing facilities are put into use, and an electric vehicle charging and replacing system combining facilities such as a charging pile, a charging station, a replacing station, a distribution station and the like is gradually formed. The battery box is arranged to be detachable, so that the battery box is convenient to replace, but the battery box is generally heavy and difficult to carry, and the battery box needs to be stored and charged by a charging station to provide charging equipment, so that the battery box is replaced by the electric automobile.
AGV is a transport vehicle equipped with an automatic guidance device such as electromagnetic or optical, capable of traveling along a predetermined guidance path, having safety protection and various transfer functions, and used in industrial applications without the need for a driver, and using a rechargeable battery as its power source. The travel route and behavior of the vehicle can be controlled by a computer, or the travel route can be established by using an electromagnetic track, which is stuck on the floor, and the unmanned carrier can move and act by means of the information brought by the electromagnetic track.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an electric vehicle charging and replacing system adopting an AGV trolley, which utilizes the flexible mobility of the AGV trolley to carry a battery box and provides a necessary exchanging system for the battery box.
In order to achieve the above purpose, the invention adopts the following technical scheme: an electric vehicle charging and battery changing system adopting an AGV trolley, comprising:
the battery box storage platform is used for storing the battery boxes and/or charging the battery boxes;
the battery box lifting device comprises an AGV trolley and a lifting device used for lifting and moving a battery box, wherein the AGV trolley is used for moving along a set path in the lifting process of the battery box, and the lifting device is fixed on the AGV trolley and used for lifting the battery box between a battery box storage platform and an electric vehicle.
The battery box storage platform is further arranged to comprise a charging cabinet for charging the battery box and a control cabinet for controlling the charging of the charging cabinet, and the charging cabinet is electrically connected with the control cabinet.
The invention further provides that the hoisting device comprises:
the grabbing clamp is used for grabbing the battery box from two sides of the top of the battery box;
the electromagnetic driving mechanism is connected with the grabbing clamp and used for driving the grabbing clamp to grab the battery box;
the support guide rail is used for supporting the grabbing clamp and the electromagnetic driving mechanism, and the electromagnetic driving mechanism drives the grabbing clamp to move along the support guide rail;
the electric cabinet is connected with the electromagnetic driving mechanism, is positioned above the grabbing clamp, the electromagnetic driving mechanism and the supporting guide rail and is used for controlling the electromagnetic driving mechanism.
The invention is further arranged that the grabbing clamps are provided with a pair of grabbing clamps which are respectively positioned at two ends of the supporting guide rail and are connected with the electromagnetic driving mechanism, and the grabbing clamps move along the supporting guide rail in opposite directions; the grabbing clamp comprises: the fixture comprises a fixture body, wherein an insert is arranged at the lower end of the fixture body and is used for being inserted into a frame at the top of the battery box, and a pair of grabbing fixtures are inserted from two sides of the top of the battery box.
The invention is further arranged that the side surface of the clamp main body is provided with a guide trapezoid part, the short side of the trapezoid part is positioned at the inner side of the clamp main body, and the long side of the trapezoid part is positioned at the outer side of the clamp main body; the middle of the clamp body is a cavity for accommodating the supporting guide rail, and the supporting guide rail can extend out of the outer side of the cavity of the clamp body.
The invention is further arranged that the battery box comprises:
the frame body module is one or more layers, each layer of frame body module consists of a bottom support and a side frame body vertically arranged on the bottom support, a space for accommodating a battery is formed between the bottom support and the side frame body, and a groove is formed below the bottom support;
the guide positioning component is arranged on the frame body module, the guide positioning component is vertically arranged on the side surface frame body, the end part of the guide positioning component protruding out of the upper end edge of the side surface frame body is cone-shaped, and the shape of the cone is matched with that of the groove.
When the frame body modules are arranged in multiple layers, the frame body modules in each layer have the same structure, and the frame body modules in multiple layers are arranged up and down; the frame body module positioned on the lower layer is rapidly positioned with the groove of the frame body module positioned on the upper layer through the guiding and positioning component, and the guiding and positioning component is inserted into the groove and is locked and connected by adopting a connecting piece to form a multi-layer stacking structure.
The invention is further arranged that the bottom support is composed of a first rectangular frame body and a horizontal rod piece, and the horizontal rod piece is positioned in the first rectangular frame body and is vertically connected with the long side of the first rectangular frame body.
The side frame body is further provided with a second rectangular frame body and a vertical rod piece, wherein the vertical rod piece is positioned in the second rectangular frame body and is vertically connected with the long side of the second rectangular frame body; the guide positioning component is positioned in the plane where the side frame body is positioned and is parallel to the vertical rod piece, the lower end of the guide positioning component is fixed on the long edge below the second rectangular frame body, and the upper end of the guide positioning component penetrates through the long edge above the second rectangular frame body and protrudes out of the edge of the upper end of the side frame body.
The invention further provides that the upper part of the side frame body of the frame body module is provided with a buffer part for buffering when the frame body modules are stacked.
Compared with the prior art, the invention has the beneficial effects that:
according to the charging and replacing system of the electric vehicle, the AGV trolley can move forward according to the moving path and can move freely in each area, so that the battery box is conveniently and rapidly hoisted, replaced and transported in the appointed area. The whole electric vehicle charging and replacing system is compact in structure, small in size and small in occupied area, large-scale equipment and complex control are not needed, and the battery box is convenient to store, manage and timely charge.
Furthermore, the battery box capable of being combined in multiple layers is adopted in the invention, so that a reliable multi-layer stacking structure can be realized, and the capacity of the battery to be replaced each time can be greatly improved. Through the cooperation of recess and direction locating part between the framework module, can realize reliable location connection, adopt the hoist and mount mode simultaneously, can fine battery box's change speed, the problem of convenience.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 and fig. 3 are schematic structural diagrams of a hoisting device according to an embodiment of the invention;
fig. 4 and 5 are schematic structural views of a modular assembled battery box according to an embodiment of the present invention;
FIG. 6 is a schematic view of a multi-layered battery box according to an embodiment of the present invention;
FIG. 7 is a schematic view of a grabbing structure of a multi-layered battery box according to an embodiment of the present invention;
fig. 8 is a schematic view of the floating guide assembly of the present invention.
In the figure: 100 is a battery box storage platform, 101 is a charging cabinet, 102 is a control cabinet,
200 is an AGV trolley, 201 is a trolley body,
302 is a battery grabbing mechanism, 3020 is a top frame, 3021 is an electric cabinet, 3022 is a hanging chain assembly, 3023 is a screw rod transmission assembly, 3024 is a clamping assembly, 3025 is an insert, 3026 is a supporting guide rail, 3027 is a bottom frame, 3028 is an electromagnetic driving mechanism, 3029 is a floating guide assembly, 3030 is a trapezoid part,
5 is a frame module, 6 is a guiding and positioning component,
501 is a bottom support, 502 is a side frame, 503 is a groove, 504 is a first rectangular frame, 505 is a horizontal bar, 506 is a second rectangular frame, 507 is a vertical bar, 601 is a cone,
19. a lower floating plate; 20. a magnet fixing plate; 21. a guide shaft; 22. a linear bearing fixing frame; 23. an upper limit member; 24. and a lower limiting piece.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Referring to fig. 1, a schematic structural diagram of an embodiment of an electric vehicle charging and replacing system employing an AGV cart 200 according to the present invention is shown, and fig. 1 includes a battery box storage platform 100 and a replacing system. The battery box storage platform 100 is used for storing and charging battery boxes, and comprises a charging cabinet 101 for charging the battery boxes and a control cabinet 102 for controlling the charging of the charging cabinet 101, wherein the charging cabinet 101 is electrically connected with the control cabinet 102.
The battery replacement system comprises an AGV trolley 200 and a hoisting device, wherein the AGV trolley 200 is used for moving along a set path in the battery box hoisting process, and the hoisting device is fixed on the AGV trolley 200 and used for hoisting the battery box between the battery box storage platform 100 and the electric vehicle.
As shown in fig. 2 and 3, as an embodiment of the present invention, the lifting device includes: a pair of clamping assemblies 201, an electromagnetic driving mechanism 202, a support rail 203, an electric cabinet 206, wherein: a pair of gripping members 201 for gripping the battery box from both sides of the top of the battery box; the electromagnetic driving mechanism 202 is connected with the clamping assembly 201 and is used for driving the clamping assembly 201 to grab the battery box; the support guide rail 203 is used for supporting the clamping assembly 201 and the electromagnetic driving mechanism 202, and the electromagnetic driving mechanism 202 drives the clamping assembly 201 to move along the support guide rail 203; and the electric control box 206 is connected with the electromagnetic driving mechanism 202 and is positioned above the clamping assembly 201, the electromagnetic driving mechanism 202 and the supporting guide rail 203 and used for controlling the electromagnetic driving mechanism 202.
A pair of clamp assemblies 201 are located at both ends of the support rail 203, and are connected to the electromagnetic drive mechanism 202, and the pair of clamp assemblies 201 move toward each other along the support rail 203. When the battery box needs to be grasped, the pair of clamping assemblies 201 move towards the middle of the supporting guide rail 203, and the distance between the clamping assemblies is reduced; when the battery box needs to be released, the pair of clamping assemblies 201 move toward the two ends of the support rail 203, respectively, and the distance between the two ends becomes large. The distance between the clamping assemblies 201 can be adjusted, so that the same device can be suitable for battery boxes of different models and sizes, and the accurate moving position of the battery boxes can be accurately controlled.
In a partially preferred embodiment, the clamping assembly 201 comprises: a pair of clamping assemblies 3024, an electromagnetic driving mechanism 3022, and a linear guide 3026, the pair of clamping assemblies 3024 being used for grabbing the battery box from both sides of the top of the battery box; the electromagnetic driving mechanism 3022 is connected with the clamping assembly 3024 and is used for driving the clamping assembly 3024 to grab the battery box; the linear guide 3026 is used for supporting the clamping assembly 3024 and the electromagnetic driving mechanism 3022, and the electromagnetic driving mechanism 3022 drives the clamping assembly 3024 to move along the linear guide 3026. The clamping assemblies 3024 are located at two ends of the linear guide 3026, a pair of clamping assemblies 3024 are moved toward each other along the linear guide 3026, an insert 3025 is provided at a lower end of the clamping assemblies 3024, the insert 3025 is configured to be inserted into a frame of a top of the battery box, and a pair of clamping assemblies 3024 are inserted from two sides of the top of the battery box to hold the battery box.
The battery grabbing mechanism 302 may further include an electric cabinet 3021, where the electric cabinet 3021 is connected to the electromagnetic driving mechanism 3022 and located above the clamping assembly 3024, the electromagnetic driving mechanism 3022 and the linear guide 3026, and is used for controlling the electromagnetic driving mechanism 3022. The electric cabinet 3021 is used to control the operation of the electromagnetic drive mechanism 3022. The upper end of the electric cabinet 3021 is fixed on a top frame 3020, and the top frame 3020 is used for supporting the electric cabinet 3021 and connecting external hoisting equipment, such as slings or trusses, etc. A bottom frame 3027 is arranged below the linear guide 3026 and is used for supporting the linear guide 3026, the electric cabinet 3021, the electromagnetic driving mechanism 3022 and other components. A floating guide assembly 3029 and a hanging chain assembly 3022 are respectively arranged between the top frame 3020 and the bottom frame 3027 and on two sides of the electric cabinet 3021, the hanging chain assembly 3022 comprises two hanging chains, the upper end of each hanging chain is fixed on the top frame 3020, the lower end of each hanging chain is connected to the bottom frame 3027, the floating guide assembly 3029 is arranged in the middle of the two hanging chains, an electromagnetic driving mechanism 3022 is arranged below the floating guide assembly 3029, and the electromagnetic driving mechanism 3022 is connected with a clamping assembly 3024 through a screw transmission assembly 3023. Through cooperation between the floating guide assembly 3029 and the pendant assembly 3022, the battery grabbing mechanism 302 can have a certain redundancy in position when grabbing the battery box, fine adjustment can be achieved, and control is simple.
Referring to fig. 8, the floating guide assembly 3029 includes a magnet fixing plate 20, a guide shaft 21, a linear bearing fixing frame 22, and a lower floating plate 19; the linear bearing fixing frame 22 is fixed on the bottom surface of the top frame 3020, a guide hole is formed in the bottom of the linear bearing fixing frame 22, a guide shaft 21 penetrates through the guide hole, an upper limiting part 23 is connected to the end part of the guide shaft 21 extending into the linear bearing fixing frame 22, a lower limiting part 24 is connected to the end part of the guide shaft 21 located outside the linear bearing fixing frame 22, a magnet fixing plate 20 is connected to the bottom of the guide shaft 21, an electromagnetic driving mechanism 3028 is fixed on the magnet fixing plate 20 and is a powerful electromagnet mechanism, and a lower floating plate 19 is fixed to the bottom of the magnet fixing plate 20. When the strong electromagnet mechanism generates magnetic force, the hanging chain assembly 3022 loosens, the guide shaft 21 extends upwards through the linear bearing fixing frame 22, the linear bearing fixing frame 22 abuts against the lower limiting piece 24, the lower limiting piece 24 can be made of polyurethane materials, and the whole grabbing clamp is made into a rigid whole by means of the strong magnetic force attraction and retention force of the strong electromagnet mechanism; when the magnetic force of the powerful electromagnet mechanism disappears, the hanging chain assembly 3022 is tensioned, the guide shaft 21 extends downwards through the linear bearing fixing frame 22, the guide shaft 21 extends downwards to the upper limiting piece 23, a gap is formed between the lower floating plate 19 and the bottom frame 3027, and the top frame 3020 and the bottom frame 3027 are connected by the hanging chain assembly 3022, so that the whole grabbing clamp is a flexible self-adaptive clamp.
In the above embodiment, the AGV cart 200 may be a cart with a general structure, or may be a cart with a structure as shown in fig. 1, where the cart body 201 in fig. 1 is formed by two layers, and the two layers are arranged in a step shape, where the bottom layer is provided with a counterweight for counteracting the acting force generated on the cart by the weight of the battery box after the cart holds the battery box; the upper layer is a hollow step, and a counterweight or other settings can be added according to the requirements. Below the trolley main body 201 is a moving wheel for driving the trolley and the battery box thereon to move.
According to the electric vehicle charging and replacing system adopting the AGV trolley 200, when the battery box is required to be lifted, the AGV trolley 200 moves to the area where the battery box is required to be lifted according to the set path, then the pair of clamping assemblies 201 are controlled to take the battery box from two sides, and the electromagnetic driving mechanism 202 is matched with the electric cabinet 206, so that the distance between the pair of clamping assemblies 201 is controlled to be adjustable, and the same device can be suitable for battery boxes with different models and sizes. After grabbing the battery box, the AGV cart 200 drives the battery box to move to a storage area of the battery box or a parking area of a vehicle to be replaced, places the battery box in a designated area or directly hangs the battery box on the vehicle to be replaced, and then hangs the replaced battery box to be charged to a charging area. The movable path of the AGV trolley 200 can be flexibly arranged, and can freely move in each area, so that the convenient and quick hoisting and replacement of the battery box and the transportation of the appointed area are realized. The whole electric vehicle charging and battery changing system adopting the AGV trolley 200 is compact in structure, small in size and small in occupied area, and large-scale equipment and complex control are not needed.
Referring to fig. 4 and 5, there is shown a single-layered modular assembled battery case as a structure of the battery case of the present invention, comprising: a frame module 50 and a guiding and positioning member 6 provided on the frame module 50. The frame module 50 shown in fig. 4 and 5 is a layer, the frame module 50 is composed of a bottom support 501 and a side frame 502 vertically arranged on the bottom support 501, a space for accommodating batteries is formed between the bottom support 501 and the side frame 502, and a groove 503 is arranged below the bottom support 501; the guiding and positioning component 6 is vertically arranged on the side frame 502, the end part of the guiding and positioning component 6 protruding out of the upper end edge of the side frame 502 is in a cone 601, and the shape of the cone 601 is matched with that of the groove 503.
In this embodiment, the space between the bottom support 501 and the side frame 502 for accommodating the battery may be sized according to the actual battery size. The frame module 50 is generally rectangular parallelepiped in shape. The bottom support 501 and the side frame 502 are also rectangular. Of course, this is just one embodiment of the present invention, and in other embodiments, the shapes of the bottom support 501 and the side frame 502 may be adjusted as desired.
Specifically, as can be seen from fig. 4, the bottom support 501 is composed of a first rectangular frame 504 and a horizontal bar 505, and the horizontal bar 505 is located in the first rectangular frame 504 and is vertically connected to the long side of the first rectangular frame 504. The number of the horizontal rods 505 is 1 or more, and 1 or more horizontal rods 505 are uniformly distributed along the long side of the rectangular frame. The number of horizontal bars 505 can be adjusted according to the size and weight of the battery, and can be made of general steel, but other materials with sufficient rigidity can be adopted.
Correspondingly, the side frame 502 is composed of a second rectangular frame 506 and a vertical rod 507, and the vertical rod 507 is located in the second rectangular frame 506 and is vertically connected with the long side of the second rectangular frame 506. The number of the vertical rods 507 is 1 or more, and the plurality of the vertical rods 507 are uniformly distributed along the short side of the rectangular frame body. The vertical bars 507 may be made of general steel, but may be made of other materials with sufficient rigidity.
In a preferred embodiment, the plane of the side frame 502 is perpendicular to the plane of the bottom support 501, and the two share a common edge. The guiding and positioning component 6 is located in the plane of the side frame 502 and is parallel to the vertical rod 507, the lower end of the guiding and positioning component 6 is fixed on the long side below the second rectangular frame 506, and the upper end of the guiding and positioning component 6 passes through the long side above the second rectangular frame 506 and protrudes out of the edge of the upper end of the side frame 502. The number of the guiding and positioning parts 6 is 1 or more, and the guiding and positioning parts 6 are symmetrically distributed according to the opposite surfaces of the cuboid.
Referring to fig. 6, in another embodiment of the present invention, the frame modules 50 have multiple layers, each layer of frame modules 50 has the same structure, and the multiple layers of frame modules 50 are arranged up and down. The frame module 50 positioned at the lower layer is quickly positioned with the groove 503 of the frame module 50 positioned at the upper layer through the guiding and positioning component 6, and the guiding and positioning component 6 is inserted into the groove 503 and is locked and connected by adopting a connecting piece, so that a multi-layer stacking structure is formed. The frame modules 50 are generally rectangular parallelepiped, and only the cuboid of each frame module 50 has no upper surface, and the lower surface of the cuboid of the frame module 50 of the upper layer is the upper surface of the cuboid of the frame module 50 of the next layer. The connecting piece can be a high-strength bolt or other connecting pieces. Fig. 7 is a schematic view of a structure in which the battery grabbing mechanism 302 grabs a large number of battery boxes of the frame module 50.
The number of layers of the frame module 50 may be theoretically unlimited, but in practical applications, it needs to be determined according to the actual situation of the electric vehicle, and generally does not exceed the height of the cab, for example, in a specific embodiment, the battery box size: 2500 x 1000 x 180mm (L x W x H), battery box weight: 2.5t (where the battery weighs about 2 t), for large or heavy vehicles (tractors, city trucks, etc.), the frame module 50 may be of a 6-layer split modular frame design with battery replacement by integral lifting from the top of the vehicle.
As shown in fig. 4 and 5, the protruding upper end portion of the guide positioning member 6 is tapered in shape to facilitate positioning and connection with the recess 503 when the multi-layered frame module 50 is stacked. The height of the bulge is set according to the actual situation, so that the height can be conveniently guided by the cone on one hand, and the upper layer and the lower layer can be reliably positioned on the other hand, so that the bulge is further locked by the connecting piece.
In some preferred embodiments, the side frames 502 of the frame modules 50 are provided with cushioning portions at the upper portions for cushioning when the multi-layered frame modules 50 are stacked. The cushioning portion may be made of a resilient material and attached or otherwise connected to the upper portion of the side frame 502. In an embodiment, when the frame module 50 is a cuboid, the buffer portions are disposed at corners of the side frame 502 and are symmetrically disposed.
When the embodiment of the invention is used, the batteries are placed in the space between the frame body modules 50, namely the bottom support 501 and the side frame body 502, the size of each layer of frame body module 50 can be set according to the needs, when the multi-layer frame body modules 50 are stacked, a hoisting mode is adopted, the guiding and positioning are carried out through the bottom groove 503 of the upper layer of frame body module 50 and the guiding and positioning part 6 of the lower layer of frame body module 50, and locking connection is carried out through connecting pieces, so that the multi-layer battery box with large capacity can be formed.
According to the embodiment of the invention, after the batteries in the single-layer frame are installed, the batteries are stacked from bottom to top in a hoisting mode, and the structure is convenient to install, easy to maintain and convenient for mass production die design.
The battery box according to the embodiment of the invention adopts a separable and assemblable modularized frame, and can realize a reliable multilayer stacking structure through the cooperation of the grooves 503 and the guiding and positioning components 6 between the frame body modules 50, so that the capacity of each time of battery replacement can be greatly improved, and meanwhile, the problems of the replacement speed and convenience of the battery box can be well solved by adopting a hoisting mode.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the invention.
Claims (10)
1. Adopt electric motor car of AGV dolly to fill and trade electric system, its characterized in that includes:
a battery box;
the battery box storage platform is used for storing the battery boxes and/or charging the battery boxes;
the system comprises an electric replacement system, a battery box storage platform, an electric vehicle storage platform and a battery box lifting device, wherein the electric replacement system comprises an AGV trolley and a lifting device used for lifting and moving the battery box, the AGV trolley is used for moving along a set path in the battery box lifting process, and the lifting device is fixed on the AGV trolley and used for lifting the battery box between the battery box storage platform and the electric vehicle;
the hoisting device comprises:
the grabbing clamp is used for grabbing the battery box from two sides of the top of the battery box;
the electromagnetic driving mechanism is connected with the grabbing clamp and used for driving the grabbing clamp to grab the battery box;
the support guide rail is used for supporting the grabbing clamp and the electromagnetic driving mechanism, and the electromagnetic driving mechanism drives the grabbing clamp to move along the support guide rail;
the electric control box is connected with the electromagnetic driving mechanism and is positioned above the grabbing clamp, the electromagnetic driving mechanism and the supporting guide rail and used for controlling the electromagnetic driving mechanism; the upper end of the electric cabinet is fixed on a top frame, and the top frame is used for supporting the electric cabinet and connecting external hoisting equipment;
the battery box includes:
the frame body module is one or more layers, each layer of frame body module consists of a bottom support and a side frame body vertically arranged on the bottom support, a space for accommodating a battery is formed between the bottom support and the side frame body, and a groove is formed below the bottom support;
the guide positioning component is arranged on the frame body module, the guide positioning component is vertically arranged on the side surface frame body, the end part of the guide positioning component protruding out of the upper end edge of the side surface frame body is cone-shaped, and the shape of the cone is matched with that of the groove.
2. The electric vehicle charging and replacing system employing an AGV cart of claim 1, wherein the battery box storage platform comprises a charging cabinet for charging the battery box and a control cabinet for controlling the charging of the charging cabinet, and the charging cabinet is electrically connected with the control cabinet.
3. The electric vehicle charging and changing system using an AGV cart according to claim 1, wherein the gripping clips have a pair, respectively located at both end portions of the supporting rail, connected to the electromagnetic driving mechanism, and a pair of the gripping clips move in opposite directions along the supporting rail; the grabbing clamp comprises: the fixture comprises a fixture body, wherein an insert is arranged at the lower end of the fixture body and is used for being inserted into a frame at the top of the battery box, and a pair of grabbing fixtures are inserted from two sides of the top of the battery box.
4. The electric vehicle charging and exchanging system using an AGV cart according to claim 3, wherein a guide trapezoid is provided on a side surface of the clamp body, a short side of the trapezoid is located on an inner side of the clamp body, and a long side of the trapezoid is located on an outer side of the clamp body; the middle of the clamp body is a cavity for accommodating the supporting guide rail, and the supporting guide rail can extend out of the outer side of the cavity of the clamp body.
5. The electric vehicle charging and replacing system adopting the AGV according to any one of claims 1 to 4 wherein when the frame modules are arranged in multiple layers, each layer of frame modules has the same structure, and the multiple layers of frame modules are arranged up and down; the frame body module positioned on the lower layer is rapidly positioned with the groove of the frame body module positioned on the upper layer through the guiding and positioning component, and the guiding and positioning component is inserted into the groove and is locked and connected by adopting a connecting piece to form a multi-layer stacking structure.
6. An electric vehicle charging and replacing system employing an AGV cart according to any one of claims 1-4 wherein the bottom support is comprised of a first rectangular frame and a horizontal bar positioned within the first rectangular frame and vertically connected to the long side of the first rectangular frame.
7. The electric vehicle charging and exchanging system adopting the AGV according to any one of claims 1 to 4 wherein the side frame is composed of a second rectangular frame and a vertical rod, wherein the vertical rod is positioned in the second rectangular frame and is vertically connected with the long side of the second rectangular frame; the guide positioning component is positioned in the plane where the side frame body is positioned and is parallel to the vertical rod piece, the lower end of the guide positioning component is fixed on the long edge below the second rectangular frame body, and the upper end of the guide positioning component penetrates through the long edge above the second rectangular frame body and protrudes out of the edge of the upper end of the side frame body.
8. An electric vehicle charging and replacing system employing an AGV cart according to any one of claims 1 to 4, wherein the frame module has a buffer portion provided at an upper portion of a side frame thereof for buffering when stacking the plurality of frame modules.
9. The electric vehicle charging and replacing system adopting the AGV trolley according to any one of claims 1 to 4, wherein a bottom frame is arranged below the supporting guide rail, a floating guide assembly and a hanging chain assembly are respectively arranged on two sides of the electric cabinet between the top frame and the bottom frame, the hanging chain assembly comprises two hanging chains, the upper end of each hanging chain is fixed on the top frame, the lower end of each hanging chain is connected to the bottom frame, the floating guide assembly is arranged in the middle of each hanging chain, and the electromagnetic driving mechanism is arranged below the floating guide assembly and is connected with the grabbing clamp through a screw rod transmission assembly.
10. The electric vehicle charging and replacing system adopting the AGV trolley according to claim 9, wherein the floating guide assembly comprises a magnet fixing plate, a guide shaft, a linear bearing fixing frame and a lower floating plate, the linear bearing fixing frame is fixed on the bottom surface of the top frame, a guide hole is formed in the bottom of the linear bearing fixing frame, the guide shaft penetrates through the guide hole, an upper limiting part is connected to the end part, extending into the linear bearing fixing frame, of the guide shaft, a lower limiting part is connected to the end part, located outside the linear bearing fixing frame, of the guide shaft, the bottom of the guide shaft is connected with the magnet fixing plate, the electromagnetic driving mechanism is fixed on the magnet fixing plate and is a powerful electromagnet mechanism, and the lower floating plate is fixed on the bottom of the magnet fixing plate.
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| CN201811614905.2A CN109515403B (en) | 2018-12-27 | 2018-12-27 | Electric vehicle charging and battery changing system adopting AGV trolley |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110386023B (en) * | 2019-06-27 | 2021-01-29 | 博众精工科技股份有限公司 | Battery turnover method based on battery self-checking type charging bin |
| CN112208386A (en) * | 2020-09-27 | 2021-01-12 | 上海能辉科技股份有限公司 | Heavy truck battery replacement system and method based on AGV mobile transport |
| CN114683915B (en) * | 2020-12-31 | 2024-05-31 | 奥动新能源汽车科技有限公司 | Disassembly method of power exchange station |
| CN114683916B (en) * | 2020-12-31 | 2024-07-02 | 奥动新能源汽车科技有限公司 | On-site assembly method of power exchange station |
| CN113212239A (en) * | 2021-06-24 | 2021-08-06 | 博雷顿科技有限公司 | Intelligent mobile trolley battery replacement method |
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