CN111391797A - Single battery replacing device and electric automobile with same - Google Patents
Single battery replacing device and electric automobile with same Download PDFInfo
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- CN111391797A CN111391797A CN201811543474.5A CN201811543474A CN111391797A CN 111391797 A CN111391797 A CN 111391797A CN 201811543474 A CN201811543474 A CN 201811543474A CN 111391797 A CN111391797 A CN 111391797A
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- 238000012423 maintenance Methods 0.000 claims abstract description 117
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 239000000178 monomer Substances 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims description 39
- 230000007704 transition Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 10
- 239000010926 waste battery Substances 0.000 claims description 7
- 108010066057 cabin-1 Proteins 0.000 description 29
- 230000008859 change Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 13
- 108010066114 cabin-2 Proteins 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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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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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a monomer battery cell replacing device and an electric automobile with the same, wherein the monomer battery cell replacing device comprises: the battery cell replacement device comprises a maintenance cabin, a position adjusting mechanism and a battery cell replacement mechanism, wherein the maintenance cabin is communicated with a battery cabin, one side of the maintenance cabin is provided with a battery cell accommodating part for storing a battery cell, and the position of the maintenance cabin adjacent to the battery cabin is a maintenance work position; the battery compartment is provided with a plurality of power supply compartments for accommodating the battery modules; the position adjusting mechanism is used for driving the fault battery module to move to a maintenance working position of the maintenance cabin and driving the maintained battery module to move to the power supply cabin; the battery cell replacing mechanism is used for disassembling a battery cell to be replaced of the fault battery module, and assembling a complete battery cell stored in the battery cell accommodating part to the corresponding position of the battery cell to be replaced. By applying the invention, when the battery core in the battery module of the electric automobile breaks down, the single battery core can be timely and effectively replaced, thereby providing reliable guarantee for the intelligent movement of the battery module.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a single battery replacing device and an electric automobile with the same.
Background
In order to respond to green travel and energy-saving emission-reduction calls, the consumption trend of new energy vehicles is increasingly increased, and the battery replacement demand of the new energy vehicles is increased. As is well known, the endurance mileage of an electric automobile is directly related to the performance of a battery, and the conventional battery technology cannot realize the long-distance safe running of the electric automobile. When the single battery is damaged, the battery can not be replaced in time, and the driving safety is endangered, so that the technology for rapidly replacing the battery of the electric automobile has great significance for improving the driving mileage and the driving safety of the electric automobile.
At present, the scheme of quickly changing the battery of the electric automobile can not realize the intelligent replacement of the single battery core of the battery module. For example, a method for replacing a single battery needs to cut a failed battery cell from an aluminum plate connected with the failed battery cell, and has a complex mechanism and inconvenient operation. For another example, a battery compartment casing and structure thereof can realize the function of battery replacement, but cannot realize the intelligent movement of the battery module and the intelligent replacement of the single battery cell.
In view of this, it is needed to provide a new method for replacing a single battery so that the single battery can be replaced quickly and efficiently when the single battery fails or is damaged, thereby providing reliable guarantee for mileage index and driving safety of the electric vehicle.
Disclosure of Invention
In order to solve the technical problems, the invention provides a single battery cell replacing device and an electric vehicle with the same, when a battery cell in a battery module of the electric vehicle breaks down, the single battery cell can be timely and effectively replaced, and further, the intelligent mobile basic design of the battery module is provided.
The invention provides a single battery cell replacing device, which comprises: the battery cell replacement device comprises a maintenance cabin, a position adjusting mechanism and a battery cell replacement mechanism, wherein the maintenance cabin is communicated with a battery cabin, one side of the maintenance cabin is provided with a battery cell accommodating part for storing a battery cell, and the position of the maintenance cabin adjacent to the battery cabin is a maintenance work position; the battery compartment is provided with a plurality of power supply compartments for accommodating the battery modules; the position adjusting mechanism is used for driving the fault battery module to move to a maintenance working position of the maintenance cabin and driving the maintained battery module to move to the power supply cabin; the battery cell replacing mechanism is used for disassembling a battery cell to be replaced of the fault battery module, and assembling a complete battery cell stored in the battery cell accommodating part to the corresponding position of the battery cell to be replaced.
Preferably, the position adjustment mechanism includes: a guide rail disposed at the battery compartment bottom; the driving mechanism can move along the guide rail and is used for driving the battery module to move between a power supply cabin of the battery cabin and a working position to be maintained; the to-be-repaired work position is arranged at the position, adjacent to the maintenance cabin, of the battery cabin; and the traction mechanism is arranged in the maintenance cabin and used for driving the battery module to move between the to-be-maintained working position and the maintenance working position.
Preferably, the driving mechanism is a lifting robot, so as to pull out a faulty battery module from the positioning slot of the power supply cabin, then move the faulty battery module to the work position to be maintained, and insert the battery module after moving the faulty battery module to the power supply cabin into the positioning slot of the faulty battery module.
Preferably, the traction mechanism comprises a telescopic guide rail, and the telescopic guide rail can extend out of the maintenance cabin and drive the battery module located at the to-be-maintained work position to move to the maintenance work position.
Preferably, the method further comprises the following steps: and the clamping and rotating mechanism is arranged on the side wall of the maintenance cabin and used for clamping the battery module positioned at the maintenance work position and driving the battery module to rotate to the battery cell mounting port to be opposite to the battery cell replacing mechanism.
Preferably, the clamping and rotating mechanism includes: the clamping manipulator can rotate relative to the maintenance cabin and is used for clamping the battery module positioned at the maintenance work position; and the motor is used for providing clamping and rotating driving force.
Preferably, the cell accommodating part comprises a waste battery storage area and a sound battery storage area.
Preferably, each battery cell of the battery module is fixed with the fixing position thereof in a spiral matching manner; the battery cell replacing mechanism comprises a replacing manipulator, the replacing manipulator is used for rotationally disassembling a battery cell to be replaced and placing the battery cell in the waste battery storage area, and the intact battery cell stored in the intact battery storage area is rotationally assembled to the corresponding position of the battery cell to be replaced.
Preferably, the battery compartment further comprises a temporary storage compartment, and the temporary storage compartment is arranged in a plane where the plurality of power supply compartments are located, so that when the driving mechanism drives the battery module to displace between the power supply compartment of the battery compartment and a to-be-maintained working position, a displacement redundancy space is provided.
Preferably, the top of the battery compartment is provided with a battery module positioning mechanism which can be switched between a locking working position and an unlocking working position and is configured to: when the battery module is located at the locking working position, the working position of the battery module can be limited; when the battery module is located at the unlocking working position, the limitation on the working position of the battery module can be removed.
Preferably, a maintenance work position of the maintenance cabin is provided with a displacement nacelle, and a battery module can be arranged in the displacement nacelle; the displacement pod is switchable between a service position and a transition position and is configured to: when the mobile crane is positioned at the maintenance work position, the battery module in the displacement crane cabin can provide electricity; when the battery module is located at the transition working position, the fault battery module can be displaced to the maintenance working position.
Preferably, the transition working position is arranged below the maintenance working position, and an up-and-down displacement matching pair is arranged between the displacement nacelle and the maintenance cabin, so that the displacement nacelle can be switched between the transition working position and the maintenance working position.
The invention also provides an electric automobile which comprises a plurality of battery modules for providing electricity and the single battery cell replacing device.
Compared with the prior art, the single battery cell replacing device provided by the invention can timely realize the position adjustment and the battery cell replacement of the fault battery module. The maintenance cabin is communicated with the battery cabin, a battery cell accommodating part for storing battery cells is arranged on one side of the maintenance cabin, and under a normal working state, battery modules in a plurality of power supply cabins of the battery cabin supply power; when a battery fault occurs, the position adjusting mechanism can drive the fault battery module to move to a maintenance working position of the maintenance cabin, the battery core to be replaced of the fault battery module is detached by the battery core replacing mechanism, and then the intact battery core stored in the battery core accommodating part is assembled to the corresponding position of the battery core to be replaced. So set up, this scheme is aided with the maintenance cabin with the battery compartment adaptation, can in time realize the independent change of battery under-deck monomer electricity core through relevant drive mechanism, has the reliable characteristics of simple structure. Meanwhile, the scheme can be combined with an automatic and intelligent control means, so that the intelligent replacement of the automobile battery pack can be further realized, and the convenience for use of a user is greatly improved.
Drawings
Fig. 1 is a schematic overall structure diagram of a unit cell replacement device according to an embodiment;
fig. 2 is a schematic diagram of the cell exchange apparatus shown in fig. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view of the positional relationship of the guide rail and the internal mechanism;
FIG. 5 is a schematic view of a maintenance compartment and a battery compartment in a state where a battery module is not placed;
FIG. 6 is a schematic view of the clamping and rotating mechanism in operation;
fig. 7 is a schematic structural view of a battery module;
fig. 8 is a schematic structural diagram of a single cell;
fig. 9 is a schematic diagram of a single cell unscrewing state;
FIG. 10 is a schematic view of the structure of the displacement pod;
fig. 11 and 12 are schematic diagrams illustrating a displacement process of a battery module before replacement of a single battery cell;
FIG. 13 is a schematic side elevation view of a battery assembly in a service position;
fig. 14 is a schematic side view of the battery module and the telescopic rail at the work position to be maintained.
In the figure:
the device comprises a maintenance cabin 1, a battery cell accommodating part 11, a sliding chute 12, a battery cabin 2, a power supply cabin 21, a temporary storage cabin 22, a positioning point 23, a battery module 3, a battery cell 31, a metal support 32, a battery cell replacing mechanism 4, a replacing manipulator 41, a guide rail 51, a driving mechanism 52, a traction mechanism 53, a clamping and rotating mechanism 6, a battery module positioning mechanism 7, a displacement pod 8 and a sliding rod 81;
a maintenance working position A, a to-be-maintained working position B and a transition working position C.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Without loss of generality, this embodiment provides the change solution to electric automobile's battery module monomer electricity core, can carry out monomer electricity core and independently change when battery module breaks down. It should be understood that the principle of matching power supply of a plurality of battery modules does not constitute a substantial limitation to the core inventive concept of the present application.
Referring to fig. 1, a schematic diagram of an overall structure of a single battery cell replacement device according to the present embodiment is shown.
In the figure, the maintenance cabin 1 of the single battery cell replacement device is communicated with the battery cabin 2, so that the fault battery module can be displaced from the corresponding power supply cabin of the battery cabin 2 to the maintenance cabin 1 to independently replace the single battery cell. The battery cabin 2 is provided with a plurality of power supply cabins 21 for accommodating the battery modules 3, and one side of the maintenance cabin 1 is provided with a battery cell accommodating part 11 for storing battery cells; the position adjusting mechanism is used for driving the fault battery module to move to a maintenance working position A of the maintenance cabin 1 and driving the battery module which is completely maintained to move to a corresponding power supply cabin; the battery cell replacement mechanism 4 is used for detaching the battery cell 31 to be replaced of the faulty battery module, and assembling the intact battery cell stored in the battery cell accommodating portion 11 to the corresponding position of the battery cell to be replaced.
The maintenance cabin 1 is shown in the figure as a maintenance work place a at a position adjacent to the battery cabin 2. Referring to fig. 2 and fig. 3 together, fig. 2 is a schematic diagram of the cell replacement device shown in fig. 1, and is a diagram formed by removing a top member of the maintenance cabin 1 for clearly showing the main internal structure, and fig. 3 is a top view of fig. 2.
As shown in fig. 2 and 3, the battery compartment 2 is divided into eight sections, seven power supply compartments 21 and one temporary storage compartment 22. It should be understood that the region division is only an exemplary illustration, and based on the technical solutions provided in the present application, a person skilled in the art may set other arrangement modes as needed.
Wherein the position adjusting mechanism includes a guide rail 51 disposed at the bottom of the battery compartment 2 to determine the displacement trajectory of the battery module 3. The guide rails 51 are arranged in a staggered manner in the horizontal and vertical directions to reach each region. Please refer to fig. 4, which is a schematic diagram of the position relationship between the guide rail and the internal mechanism.
The driving mechanism 52 can move along the guide rail 51, and is used for driving the battery module 3 to move between the power supply cabin 21 of the battery cabin 2 and the work position B to be maintained; here, the maintenance work site B is a position of the battery compartment 2 adjacent to the maintenance compartment 1, and is disposed opposite to the maintenance work site a.
The traction mechanism 53 is disposed in the maintenance cabin 1, and is configured to drive the faulty battery module 3 to move between the to-be-maintained work location B and the maintenance work location a. Referring to fig. 5, a schematic diagram of the maintenance cabin and the battery cabin is shown in a state where the battery module is not placed.
Aiming at the position adjustment between the fault battery module 3 and the maintenance cabin 1, the scheme is sequentially executed by two sets of executing mechanisms respectively, the overall design arrangement of an assembly space can be flexibly adapted, and the realization of a mechanism optimization scheme is facilitated. Preferably, the driving mechanism 52 is a lifting robot, so as to pull out the positioning slot of the self-powered cabin 21 for the faulty battery module, then move the battery module to the service-waiting working position B, and insert the battery module moved to the power-supplying cabin 21 into the positioning slot. That is, the lifting or lowering of the battery module 3 occurs when the battery module 3 needs to be moved out of or into the positioning groove of the power supply compartment 21 thereof.
Specifically, when the robot travels to the positioning point 23 at the bottom of the battery module 3, the lifting manipulator thereof can lift the battery module 3 to move out of the positioning slot thereof, and then continue traveling along the guide rail 51; meanwhile, the lifting manipulator of the robot can also lower the battery module 3 reaching the target power supply cabin 21 into the corresponding positioning groove. It is understood that the above functions of the liftable operating robot can be realized in different manners, and are not described in detail herein.
Preferably, the traction mechanism 41 includes a telescopic rail that can be extended from the maintenance cabin 1 and drives the faulty battery module 3 located at the work location B to be maintained to be displaced to the maintenance work location a. Specifically, the fixed end of the telescopic guide rail may be disposed on the sidewall or the top of the maintenance cabin 1, as long as the faulty battery module 3 can be pulled into or sent out of the maintenance cabin 1 according to actual needs.
In order to effectively utilize the assembly space of the electric automobile, a clamping and rotating mechanism 6 is preferably arranged at the maintenance work position A, and the clamping and rotating mechanism 6 is arranged on the side wall of the maintenance cabin 1 and is used for clamping the fault battery module 3 positioned at the maintenance work position A and driving the fault battery module to rotate until the battery cell mounting port is opposite to the battery cell replacing mechanism 4; referring to fig. 6, a schematic view of the clamping and rotating mechanism is shown, in which the battery module 3 is in the process of rotating. Of course, after the assembly of a new battery cell is completed, the clamping and rotating mechanism 6 is also used for reversely rotating the repaired battery module 3 to the state to be returned. As shown in the figure, the arrangement of the clamping and rotating mechanism 6 enables the pulling-out direction of the battery core to be replaced to face one side of the battery core replacing mechanism 4, so that the battery core accommodating part 11, the maintenance work position a and the battery cabin 2 of the maintenance cabin 1 are approximately sequentially arranged in the same plane, and the space occupation of the device in the height direction is reduced.
Likewise, the clamping and rotating mechanism 6 can be implemented in different ways based on the prior art. Preferably, a clamping manipulator (not shown) and a motor are adopted, wherein the clamping manipulator can rotate relative to the maintenance cabin 1, the clamping manipulator is used for clamping the battery module at the maintenance working position A, and the motor is used for providing clamping and rotating driving force.
After the replacement of the single battery cell is performed for many times, the effective management of the replaced battery cell and the intact battery cell needs special attention. For this reason, the battery cell accommodating portion 11 may be divided into a waste battery storage area and a good battery storage area (not shown in the figure), and thus the battery cell replacement mechanism 4 may place the waste battery in the waste battery storage area in a standardized manner, and may select a new battery cell in the good battery storage area for replacement operation. Further, each battery cell 31 of the battery module 3 is fixed with a fixing position thereof in a spiral matching manner; fig. 7, fig. 8 and fig. 9 are also referred to, where fig. 7 is a schematic structural diagram of the battery module, fig. 8 is a schematic structural diagram of a battery cell, and fig. 9 is a schematic diagram of a single battery cell in a state of being unscrewed. As shown in the figure, the middle part of the peripheral surface of the battery cell 31 is provided with a thread, the thread has the functions of fixing the battery cell and dissipating heat, the groove of the battery cell module 3 is also provided with a threaded hole, and the periphery of the end part of the battery cell 31 is provided with a metal bracket 32, so that the manipulator 41 (local) is conveniently replaced to clamp and rotate to detach the manipulator. Specifically, this electricity core change mechanism 4's change manipulator is rotatory to be dismantled and is waited to change electric core 31, and the electric connection between single electric core and the battery module is relieved to rotatory certain angle, places in old and useless battery storage area afterwards to the corresponding position department of waiting to change electric core 31 is assembled in the rotation of the intact electric core of intact battery storage area, rotates again in order to connect electric core and battery module. Here, based on the foregoing core function design, there may be a plurality of specific implementations of the replacement manipulator, and the requirement of the function of detaching and installing the battery cell is met within the scope of the present application.
In addition, the temporary storage compartments 22 in the battery compartment 2 are arranged in the plane of the plurality of supply compartments 21, so that a space for displacement redundancy is provided when the drive mechanism 52 displaces the battery module 3 between the supply compartment 21 of the battery compartment 2 and the service location B to be serviced. As shown in the figure, one temporary storage compartment 22 is preferably provided, and in fact, the number and the specific arrangement of the power supply compartments 21 are different, and the number of the temporary storage compartments 22 may be adaptively provided, and is not limited to only one as shown in the figure.
It is known that when a vehicle runs on uneven road conditions, the vehicle jolts, and the battery as a main component for energy supply needs to have good structural stability. As further shown in fig. 1, a battery module positioning mechanism 7 may be provided at the top of the battery compartment 2, switchable between a locked position and an unlocked position, and configured to: when the battery module 3 is located at the locking working position, the working position of each battery module 3 can be limited, and even if uneven road conditions are met, the battery modules 3 cannot be loosened; when the battery module is located at the unlocking working position, the limitation on the working position of the battery module can be removed, that is, when the fault battery module 3 needs to be processed, the battery module positioning mechanism 7 needs to be switched from the locking working position to the unlocking working position.
In addition, in order to further fully utilize the internal space of the maintenance cabin 1 and effectively increase the capacity in the normal driving state, a battery module for supplying power may be provided at the maintenance station a. A maintenance working position A of the maintenance cabin 1 is provided with a displacement nacelle 8, and a battery module can be arranged in the displacement nacelle; as shown in fig. 10, the figure shows a schematic view of the overall structure of the displacement pod. The displacement pod 8 is switchable between a service position a and a transition position C and is configured to: when the mobile terminal is located at the maintenance work site a, the battery module 3 in the displacement pod 8 can provide power, as shown in fig. 1; when being located transition work position C, maintenance work position A's space vacates, and trouble battery module can shift to maintenance work position A this moment, carries out the change of monomer electricity core. According to the arrangement, on the basis of not increasing the assembly space, the capacity can be effectively increased, and a better electric automobile driving mileage index is further guaranteed.
The transition working position C is arranged below the maintenance working position A, and an up-and-down displacement matching pair is arranged between the displacement nacelle 8 and the maintenance cabin 1 so that the displacement nacelle 8 can be switched between the transition working position C and the maintenance working position A. As shown in the figure, slide bars 81 are arranged on two sides of the cabin body of the displacement nacelle 8, correspondingly, sliding grooves 12 are arranged on two side walls of the maintenance cabin 1, and the matched slide bars 81 and the sliding grooves 12 form an up-and-down displacement matching pair, so that the structure is simple and reliable. Of course, the sliding groove and the sliding rod can also be arranged in opposite directions, namely, the sliding rod is arranged on the maintenance cabin, the sliding groove is arranged on the displacement nacelle, and a reliable displacement matching pair can also be formed.
In particular, the maintenance work station a relates to the specific configuration of the pulling mechanism 53, the clamping and rotating mechanism 6 and the displacement pod 8, wherein the sliding grooves 12 on the two side walls of the maintenance cabin 1 are located on the outermost side, so that the functional design and the space utilization are effectively considered, and the maintenance work station a has the characteristics of simple and reliable structure.
As shown in fig. 2, the battery compartment 2 and the maintenance compartment 1 have eight battery modules 3 for supplying power, which are respectively numbered 0-7. The specific operation steps of replacing the battery cell in the battery module are briefly described below by taking the battery module No. 0 and the battery module No. 2 as examples and assisting the control circuit adapted to the vehicle controller.
First, change trouble electric core of No. 2 battery module
1.1 when control circuit judges that the electric core in No. 2 battery module breaks down, send the signal to vehicle control unit, remind driver and vehicle by vehicle control unit according to the diagnostic result, ensure the safety of parkking before getting into the change mode.
1.2 after the controller sends out the instruction of changing the battery module, the battery module starts the automatic power-off mode.
1.3 No. 0 battery module located in the displacement pod 8 in the maintenance cabin 1 is lowered to the transition working position C synchronously with the displacement pod 8, as shown in FIG. 11. The area of the rear maintenance working position A of the maintenance cabin 1 is left free.
1.4 the driving mechanism 52 located at the bottom of the battery compartment 2 moves the battery module No. 1 to the temporary storage compartment 22, and then the driving mechanism 52 moves the battery modules to the service location B of the battery compartment 2 in sequence according to the dragging sequence shown by the arrow in fig. 12.
1.5 after presetting waiting to maintain the sensor of work position B at battery compartment 2 and detecting this battery module, the telescopic rail of straining mechanism 53 stretches out from maintenance cabin 1 rear end, with the maintenance work position A in the maintenance cabin 1 of battery module drag. The clamping and rotating mechanism 6 is arranged on two sides of the position A. Specifically, the lifting operation robot of the driving mechanism 52 can further lift the battery module located at the maintenance work site B to a predetermined height, as shown in fig. 13, and after the battery module is lifted, the telescopic rail of the pulling mechanism 53 from the side of the maintenance cabin will support the battery module from the bottom, as shown in fig. 14, and further drag it to the maintenance work site a.
After 1.6 accomplished the displacement, through centre gripping rotary mechanism 6 with the gesture upset 90 of battery module, the mechanism 4 is changed towards electric core to the electric core inserted hole of battery module, as shown in fig. 6, relies on the clamp force to realize locate function this moment. In the process, after the clamping and rotating mechanism 6 clamps the battery module, the telescopic guide rail can also be withdrawn from the bottom of the battery module assembly and returns to the initial position.
1.7 after the rotation is finished, the damaged battery cell in the fault battery module is taken out by the replacement manipulator 41 in the maintenance cabin 1 and is placed in the storage area of the waste battery in the battery cell accommodating part 11; and then taking out the battery core in the intact battery storage area, and putting the battery core into a battery core groove to be replaced.
And 1.8, returning the battery module which is subjected to maintenance. After the replacement is finished, if the battery modules have the same specification, the battery modules can be dragged to the position No. 1 by the driving mechanism; if the specification and model of each battery module cannot be used universally, the battery modules are sequentially switched by the driving mechanism 52 and then returned to the power supply cabin 21 where the battery module is located.
1.9 finally, the battery module No. 0 of the maintenance cabin 1 is raised in the displacement pod 8 to the initial position.
After 1.10 electricity core change is accomplished, pass through battery management unit, vehicle control unit detection in proper order and correct, just can the normal use vehicle.
Second, change trouble electric core of No. 0 battery module
2.1 when the control circuit judges that the electric core in the No. 0 battery module breaks down, send a signal to the vehicle control unit, remind driver and vehicle by the vehicle control unit according to the diagnostic result, ensure the safety of stopping before entering into the change mode.
And 2.2, after the controller sends a command of replacing the battery module, the battery module starts an automatic power-off mode.
2.3 clamping the battery module through the clamping and rotating mechanism 6, and turning the posture of the battery module by 90 degrees after the displacement pod 8 automatically moves downwards.
2.4, after the rotation is finished, the replacement of the fault battery cell is finished by the replacement manipulator 41 in the maintenance cabin 1, which is the same as the step 1.7.
2.5 finally, the displacement pod 8 is raised to the initial position.
Except for the above-mentioned monomer electric core replacing device, the embodiment also provides an electric automobile, which comprises a plurality of battery modules for providing power and the monomer electric core replacing device as described above. It can be understood that the chassis, the vehicle body, the electrical apparatus and other parts of the electric vehicle are not the core invention points of the present application, and can be realized by adopting the prior art, so the details are not described herein.
It should be noted that the above-mentioned examples provided in this embodiment are not limited to the detailed structure shown in the figures, for example, the number and arrangement of the power supply compartments 21 may be set as required; for another example, the maintenance cabin 1 shown in the figure is arranged as one, is centrally arranged at the side of the battery cabin 2, and is integrally in a shape of a convex character, in fact, the maintenance cabin 1 can also be symmetrically arranged as two, and is integrally in a shape of a concave character. It should be understood that the implementation manner of replacing the single battery cell according to the core concept of the present application is within the scope of the claimed application.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (13)
1. The utility model provides a device is changed to monomer electricity core which characterized in that includes:
the maintenance cabin is communicated with the battery cabin, one side of the maintenance cabin is provided with a battery core accommodating part for storing a battery core, and the position of the maintenance cabin adjacent to the battery cabin is a maintenance working position; the battery compartment is provided with a plurality of power supply compartments for accommodating the battery modules;
the position adjusting mechanism is used for driving the fault battery module to move to a maintenance working position of the maintenance cabin and driving the maintained battery module to move to the power supply cabin;
and the battery cell replacing mechanism is used for disassembling the battery cell to be replaced of the fault battery module, and assembling the intact battery cell stored in the battery cell accommodating part to the corresponding position of the battery cell to be replaced.
2. The cell core changing apparatus of claim 1, wherein the position adjustment mechanism comprises:
a guide rail disposed at the battery compartment bottom;
the driving mechanism can move along the guide rail and is used for driving the battery module to move between a power supply cabin of the battery cabin and a working position to be maintained; the to-be-repaired work position is arranged at the position, adjacent to the maintenance cabin, of the battery cabin;
and the traction mechanism is arranged in the maintenance cabin and is used for driving the fault battery module to move between the to-be-maintained working position and the maintenance working position.
3. The apparatus for changing a battery cell of claim 2, wherein the driving mechanism is a lifting robot, so as to pull out a faulty battery module from the positioning slot of the power supply compartment, move the faulty battery module to the service position, and insert the battery module moved to the power supply compartment into the positioning slot.
4. The battery cell replacement device of claim 2, wherein the traction mechanism includes a telescopic rail, and the telescopic rail can extend out of the maintenance cabin and drive the battery module located at the work location to be maintained to move to the maintenance work location.
5. The cell core changing apparatus of claim 1, further comprising:
and the clamping and rotating mechanism is arranged on the side wall of the maintenance cabin and used for clamping the battery module positioned at the maintenance work position and driving the battery module to rotate to the battery cell mounting port to be opposite to the battery cell replacing mechanism.
6. The cell changing apparatus of claim 5, wherein the clamping and rotating mechanism comprises:
the clamping manipulator can rotate relative to the maintenance cabin and is used for clamping the battery module positioned at the maintenance work position;
and the motor is used for providing clamping and rotating driving force.
7. The cell changing apparatus of claim 1, wherein the cell receptacle includes a used battery storage area and a good battery storage area.
8. The apparatus for changing a battery cell of claim 7, wherein each battery cell of the battery module is fixed to its fixing position in a spiral fitting manner; the battery cell replacing mechanism comprises a replacing manipulator, the replacing manipulator is used for rotationally disassembling a battery cell to be replaced and placing the battery cell in the waste battery storage area, and the intact battery cell stored in the intact battery storage area is rotationally assembled to the corresponding position of the battery cell to be replaced.
9. The battery cell replacing device according to claim 1, wherein the battery compartment further includes a temporary storage compartment, and the temporary storage compartment is disposed in a plane where the plurality of power supply compartments are located, so that the driving mechanism drives the battery module to provide a displacement redundancy space when the battery module is displaced between the power supply compartment of the battery compartment and a work place to be maintained.
10. The cell core replacement device according to claim 1, wherein a battery module positioning mechanism is disposed at a top of the battery compartment, and is switchable between a locking position and an unlocking position, and configured to: when the battery module is located at the locking working position, the working position of the battery module can be limited; when the battery module is located at the unlocking working position, the limitation on the working position of the battery module can be removed.
11. The cell exchange device according to any one of claims 1 to 10, wherein a maintenance station of the maintenance cabin is provided with a displacement pod in which a battery module can be arranged; the displacement pod is switchable between a service position and a transition position and is configured to: when the mobile crane is positioned at the maintenance work position, the battery module in the displacement crane cabin can provide electricity; when the battery module is located at the transition working position, the fault battery module can be displaced to the maintenance working position.
12. The cell exchange apparatus according to claim 11, wherein the transition station is disposed below the maintenance station, and an up-and-down displacement pair is provided between the displacement pod and the maintenance cabin, so that the displacement pod can be switched between the transition station and the maintenance station.
13. An electric vehicle comprising a plurality of battery modules for supplying power, and further comprising the cell replacement device according to any one of claims 1 to 12.
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| CN201811543474.5A CN111391797B (en) | 2018-12-17 | 2018-12-17 | Single battery replacement device and electric automobile with same |
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| CN201811543474.5A CN111391797B (en) | 2018-12-17 | 2018-12-17 | Single battery replacement device and electric automobile with same |
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| CN111391797B (en) | 2023-06-16 |
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