CN111211265A - Multipurpose plug-in multi-unit battery pack power supply system - Google Patents
Multipurpose plug-in multi-unit battery pack power supply system Download PDFInfo
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- CN111211265A CN111211265A CN201910422368.XA CN201910422368A CN111211265A CN 111211265 A CN111211265 A CN 111211265A CN 201910422368 A CN201910422368 A CN 201910422368A CN 111211265 A CN111211265 A CN 111211265A
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- power supply
- battery
- battery box
- supply system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
Multipurpose plug-in multi-cell battery pack power supply system, the system comprises a plurality of same units, each unit comprises: the battery box (3) with handles (4) fully distributed with the battery cores, the battery box insertion guide devices (2 and 10) and the power supply system base (1) are formed, each unit of the power supply system can be inserted into a single battery box (3) fully distributed with the batteries, the handle (4) of each battery box (3) can be held by hands, one battery box can be directly inserted into the battery box insertion guide devices (2 and 10) to be connected into the power supply system, the handle can also be held by hands to pull out one battery box (3) from the insertion guide devices (2 and 10) and pull out the power supply system, all the inserted battery boxes are connected in parallel and in series in the power supply system base (1), the unified electric energy is summarized to supply electric power to the outside through the summarized system unified external power supply positive and negative electrodes (9), and the whole power supply system can provide higher rated voltage than the single battery box (3), A greater current rated power.
Description
Technical Field
The invention relates to a battery power supply system, in particular to a battery power supply system with the total weight of batteries in the system exceeding 100 kilograms.
Background
At present, new energy automobiles, new energy ships and battery energy storage stations powered by batteries are developed in the world, but two problems which are puzzled to the industry are that the batteries of power supply systems used by the electric devices are heavy, a common person cannot conveniently move the batteries in the power supply systems without tools and only using two hands, and the common person is basically moved by machinery, forklifts and other machinery before; the other is that even if the battery in the power supply system is moved out by mechanical equipment and the battery is put back and connected to the previous power supply system after each charging or maintenance, the operation is very inconvenient and not quick, and the operation cannot be performed by only one person's hands without using machinery.
Disclosure of Invention
In view of these problems, we have invented a "multipurpose plug-in multi-cell battery power system" that can effectively address these problems.
For example, the total weight of a power battery pack of a current battery-powered pure electric new energy car is 800 kilograms and the total weight of a power battery pack of a new energy logistics car and a bus is mostly more than 800 kilograms, and the operation of conveniently and quickly taking out, putting back and accessing the battery pack into a power supply system cannot be carried out by manpower alone without a machine.
Therefore, the above problems are considered and processed in an important way, and the invention of the battery power supply system meets the following two requirements:
the method requires one: all battery packs in a battery powered system must be removed and replaced in a purely manual manner without mechanical assistance. Thus, we have developed a system that is suitable for manually handling batteries from a heavier overall battery system that was previously inconvenient to manually remove and replace. As shown in the drawing, the multipurpose plug-in multi-unit battery pack power supply system is characterized in that each unit battery pack adopted in the system is provided with a battery box with a handle as a shell, so that one group of batteries in one unit of the system is made into one standard battery box, and the batteries with the total weight of hundreds of kilograms in the whole power supply system are distributed and arranged in a plurality of battery boxes. Therefore, the aim that all the battery packs can be conveniently taken out and put back in a pure manual mode is fulfilled. The weight of the battery box with the batteries per unit is controlled to be within 35 kg at the most, usually within 5 to 25 kg, according to the carrying force of an ordinary person.
For example, the battery pack of the whole power supply system has 180 kilograms, the multipurpose plug-in type multi-unit battery pack power supply system manufactured according to the requirements of the invention comprises 12 battery boxes, each battery box only weighs 15 kilograms, and is provided with a handle, so that an operator can conveniently and quickly take out and put back the battery box only in a pure manual mode.
For another example, the battery pack of the whole power supply system has 300 kilograms, and the multipurpose plug-in multi-unit battery pack power supply system manufactured according to the requirements of the invention comprises 15 unit battery boxes, each battery box only weighs 20 kilograms, and is also provided with a handle, so that the battery box can be conveniently and quickly taken out and put back by an operator in a manual mode.
The second requirement is that: all batteries must be easily and quickly removed and replaced in a purely manual manner. Therefore, as shown in the drawing of a multipurpose plug-in multi-unit battery pack power supply system, when the system is invented, the battery box and the base are conducted in a metal sheet contact mode, and the battery box is directly connected with the base in a frame positioning mode on the base, so that the previous step that the battery box is connected with the base after being inserted into the base in the prior art is omitted, welding, screwing and other work are carried out when the battery pack is put back into the system, and the speed and convenience for taking out and putting back the battery pack are greatly improved.
Referring to the drawings, a multipurpose plug-in multi-cell battery power supply system diagram illustrates one embodiment of the invention in detail: the system is composed of a plurality of identically constructed units, each unit consisting of: the battery box (3) with handles (4) and full of electric cores, the battery box insertion guide devices (2, 10) and the power supply system base (1) are formed, wherein the battery box insertion guide device is formed by a battery box sleeve (2) and a battery box guardrail (10), each unit of the power supply system can be inserted into a single battery box (3) full of batteries, the handle (4) of each battery box (3) can be held by hands, one battery box is directly inserted into the battery box insertion guide devices (2, 10) and connected into the power supply system, or the handle can be held by hands to pull out one battery box (3) from the insertion guide devices (2, 10) and pull out the power supply system, after the battery box (3) is inserted into the guide devices (2, 10), positive and negative pole metal sheet connectors (8) of the battery box (3) can just contact with positive and negative pole metal connectors (16) on connecting seats (14) of corresponding units, the battery box (3) is immediately connected to the power supply circuit of the system to supply power, the base (1) of the system can be made into a base which can be connected with a plurality of battery boxes according to needs, all the inserted battery boxes are connected in parallel and series circuits in the base (1) of the power supply system to be collected into uniform electric energy, and the uniform electric energy is used for supplying electric power to the external through the collected system uniform external power supply anode and cathode (9), the whole power supply system can provide electric power with higher rated voltage and larger rated current than a single-box battery (3), and for the multi-unit system, a split type battery management system (13) is used for managing and operating.
The system realizes the aggregation of the electric power of a plurality of single-box batteries, provides a mode of electric power uniformly, and realizes the convenient and fast transportation of a single battery pack and the convenient and fast connection or disconnection of the single battery pack to the whole battery power supply system in a pure manual mode. The number of system units can be flexibly set according to the application, and is not limited to the example.
The system can be widely applied to the fields of battery powered automobiles, battery powered ships, battery energy storage stations and the like.
The present specification incorporates the following figures: FIG. 1: multipurpose plug-in multi-cell battery pack power supply system diagram, fig. 2: one unit exploded view of a multipurpose plug-in multi-unit battery pack power supply system, fig. 3: an application of the power supply system to the bottom of a five-seat passenger car is shown in fig. 4: an application of the power supply system to the bottom of two mini-cars (one), fig. 5: an application of the power supply system to the bottom of two mini-cars (ii), fig. 6: an application mode (three) of the power supply system at the bottom of two miniature passenger cars is shown in fig. 7: one application of the present power supply system to the bottom of a freight car, fig. 8: an application of the power supply system in the engine compartment of the front part of the car is shown in fig. 9: the power supply system is applied to the trunk of the two-box car.
To explain the components of a unit in the system in more detail, the function and application scenario change of each component will be further explained with reference to fig. 2 "a unit exploded view of a multi-purpose plug-in multi-unit battery pack power supply system".
1. A battery box with cells distributed in the box: cylindrical batteries, square batteries and soft package batteries can be arranged in the battery pack according to requirements.
2. Positive and negative electrode connectors on the battery box: in general, in order to quickly connect the battery box to the system, the battery box may be fixed to the bottom of the battery box, as shown in fig. 1, 2, 3, 4, 5, 7, 8 and 9, and after the battery box is inserted, the connector on the battery box directly contacts the connector on the connecting base to form a conductive connection, but in some cases, in order to reduce the connector abrasion caused by the vibration of the vehicle, the battery box may be in a plug type with an electric wire as shown in fig. 6, as long as the connector can be easily plugged.
3. Connecting seat: the connecting seat and the battery box sleeve can be integrated as required, and the connecting seat and the power supply system base (collecting wire groove) can also be integrated.
4. Positive and negative pole on the connecting seat connects: the wire in the power supply system base (collecting wire groove) extends out of the base, and the function is to be connected with the positive and negative electrode connectors on the battery box in a contact mode and to be electrified.
5. Power supply system base (trunking): the inside of the battery management system can be provided with a power line, a data line, a battery management system circuit board and the like which are connected in parallel and in series.
6. The collected system uniformly supplies power to the positive and negative electrodes outside and exposes out of the part of the wire groove: through this portion, the electric power of the entire battery system is supplied to the external power consumption device.
7. The data wire harness of the battery management system exposes out of the wire groove: the battery management system can be connected with the external part through the three-core metal wire, the four-core metal wire, the 8-core metal wire and the like or optical fiber according to the requirement, such as a vehicle controller, an instrument panel and other power supply system battery management systems.
8. Battery box cover: the battery box insertion guide device has a function of protecting the battery box, the battery box sleeve and the battery box guardrail jointly form the battery box insertion guide device, so that the battery box can be quickly and accurately inserted into the whole power supply system and connected into the whole power supply system, as shown in the attached drawings 1, 2, 3, 7, 8 and 9, and can be independently used as the battery box insertion guide device without being matched with the battery box guardrail in some cases, as shown in fig. 4 and 6.
9. Battery box guardrail: the battery box guard rail has the function of supporting the battery box, the battery box sleeve and the battery box guard rail jointly form a battery box insertion guide device, so that the battery box can be quickly and accurately inserted into and connected into a whole power supply system, as shown in the attached drawings 1, 2, 3, 7, 8 and 9, and can be independently used in the power supply system without being matched with the battery box sleeve as the battery box insertion guide device under certain conditions, as shown in fig. 5, and according to different conditions, the battery box guard rail can be made into a simpler form such as fig. 1, 2, 3 and 9, or a more complex form such as fig. 7 and 8.
10. Handle on the battery box: the main function is that the battery box can be held by hand quickly and conveniently, the battery box can be pulled out, inserted and carried, the handle can be protruded out of the battery box or embedded into the battery box, and the handle can be fixed or movable and can be hard or soft.
11. Data transmission connector of battery management system on battery box: the data transmission connector is matched with a data transmission connector of a battery management system on the connecting seat for use, has a data transmission function, can be made of metal materials and transmit data in a low-voltage weak current mode, and can also be used for a wireless transceiver to transmit and receive data in a wireless mode such as NFC, Bluetooth, infrared rays and the like.
12. Data transmission connector of battery management system on connecting seat: the wireless transceiver can be used in cooperation with a data transmission connector of a battery management system on a battery box, has a data transmission function, can be made of metal materials and transmit data by using a low-voltage weak current mode, and can also be used for transmitting and receiving data by using a wireless transceiver in a wireless mode such as NFC, Bluetooth, infrared rays and the like.
13. The position on the wire casing that gathers is fixed in the installation of connecting seat: as shown in the installed position.
14. The position on the wire casing that gathers is fixed in the installation of battery box case cover: as shown in the installed position.
15. The data transmission wiring harness of the battery management system in the wiring groove is collected: the part of the whole battery management system inside the battery box is connected with the part outside the battery box through the wire harness to form the complete battery management system.
16. Gathering power supply wiring harnesses in the wire grooves: the wiring harness is connected in series and in parallel in the wire slot according to needs, and all unit power is gathered and then is uniformly supplied to the outside for use.
17. The battery pack in the battery box: the battery core can be composed of a cylindrical battery, a square battery, a soft package battery and the like according to requirements.
18. Part of the battery management system within the battery box: the battery management system and the part of the battery management system outside the battery box jointly form the battery management system, and the whole power supply system is managed, such as charging management, discharging management, overvoltage protection, undervoltage protection, temperature management, capacity management and the like.
19. Part of the battery management system outside the battery box: the battery management system and the part of the battery management system in the battery box jointly form the battery management system to manage the whole power supply system, such as charging management, discharging management, overvoltage protection, undervoltage protection, temperature management, capacity management and the like, and the part can be installed in a power supply system base (collecting wire slot) or installed outside the power supply system base (collecting wire slot).
To illustrate the use of the present system more specifically, the following is illustrative, but the use of the present invention is not limited to the following examples:
1. as shown in fig. 3, the power supply system is applied to the bottoms of five passenger cars: the width of the bottom of the carriage is about 1.6-2.0 meters generally, so that a group of battery boxes can be arranged on two sides above the chassis of the carriage as shown in the figure, and the battery boxes can be conveniently pulled out and inserted from the left side and the right side of the vehicle respectively.
2. As shown in fig. 4, the power supply system is applied to the bottoms of two mini-cars in a first application mode: the width of the bottom of the carriage is generally about 1.0-1.4 m, so that a group of battery boxes can be arranged at the bottom of the carriage, and the battery boxes can be conveniently pulled out and inserted from one side of the vehicle.
3. As shown in fig. 5, the power supply system is applied to the bottoms of two mini-cars in a mode (two): the chassis is higher away from the ground, so the plug-in battery pack can be hung below the chassis.
4. As shown in fig. 6, the power supply system is applied to the bottoms of two mini-cars in a third application mode: if the vehicle is considered to be bumpy during running, in order to reduce the abrasion caused by bumping of a socket (5) of a plug for plugging the battery box on the collecting trunking to supply power to the outside and a plug (6) for supplying power to the outside on the battery box, the power of the unit battery box can be connected into the system by adopting the mode of flexible wire connection.
5. As shown in the attached figure 7, the power supply system is applied to the bottom of the freight car: the two sides of the bottom of a plurality of freight vehicles are provided with spaces for storing a plurality of rows of pluggable batteries, so that a plurality of layers of pluggable battery boxes can be respectively arranged at the left side and the right side of the lower part of the carriage according to the drawing.
6. As shown in the attached figure 8, the power supply system is applied to the front engine compartment of the car in a mode that: in order to better utilize the space in the engine compartment of the car and ensure that each battery box can be conveniently plugged, as shown in the figure, the battery boxes are arranged into an inner part and an outer part, wherein the bottoms of the batteries of the inner 4 boxes are on the same higher plane and above the motor, and the bottoms of the batteries of the outer 4 boxes are on the same lower plane and surround the engine.
7. As shown in the attached figure 9, the power supply system is applied to the trunk of the two-box car in a mode that: in order to utilize the space of the automobile trunk to store partial batteries to provide more mileage for the vehicle, the power supply system can be arranged as shown in the figure.
The remarks made herein for all numerical references in the drawings are as follows:
notations of the numerical notation in fig. 1: 1. a power supply system base (a collecting wire groove) 2, a battery box sleeve 3, a portable battery box 4 with half of the battery cell fully drawn out, a handle 5 on the battery box, a battery box 6 inserted into the battery box sleeve, an empty battery box sleeve 7 drawn out of the battery box, a battery box 8 drawn out of the battery box sleeve, a power supply positive and negative electrode connector 9 on the battery box, a collected system unified external power supply positive and negative electrode 10, a battery box guardrail 11, a battery management system data transmission connector 12 on the battery box, a battery management system data transmission harness 13, a part 14 of the battery management system outside the battery box, a connecting seat 15, a data transmission connector 16 of the battery management system on the connecting seat, a positive and negative electrode connector on the connecting seat
Numerical notation in fig. 2: the battery management system comprises a battery box 1, a battery box 2, positive and negative connectors 3, a connecting seat 4, positive and negative connectors 5, a power supply system base (collecting wire groove) 6, a part 7, a data wire harness exposing wire groove 8, a battery box sleeve 9, a battery box guardrail 10, a handle 11, a data transmission connector 12, a data transmission connector 13, a position 14, a position 15, a battery management system data transmission wire harness 16, a power supply power wire harness 17, a battery core 18, a part 19, a position 15 and a position 15, wherein the battery management system is arranged in the collecting wire groove Part outside the tank
Notations of the numerical notation in fig. 3: 1. five-seat passenger automobile chassis (relative to the position of a power supply system) 2. five-seat passenger automobile bottom power supply system 3. five-seat passenger automobile wheels (relative to the position of the power supply system) 4. the collected system uniformly supplies power to the outside, namely, a positive electrode and a negative electrode 5. a battery box guardrail
Notations of the numerical notation in fig. 4: 1. wheels (relative to the position of the power supply system) of two mini passenger cars 2. the collected system unifies the positive and negative electrodes for external power supply 3. the power supply system at the bottom of the two mini passenger cars 4. the chassis of the two mini passenger cars (relative to the position of the power supply system)
Notations of the numerical notation in fig. 5: 1. wheels (relative to the position of a power supply system) of two mini passenger cars 2. the collected systems uniformly supply power to the outside 3. the power supply system at the bottom of the two mini passenger cars 4. the chassis (relative to the position of the power supply system) of the two mini passenger cars 5. a battery box guardrail
Notations of the numerical notation in fig. 6: 1. two mini passenger cars wheels (relative to the position of the power supply system) 2. the system after the collection unifies the positive and negative electrodes for external power supply 3. the power supply system at the bottom of the two mini passenger cars 4. the chassis of the two mini passenger cars (relative to the position of the power supply system) 5. the socket for the plug of the battery box for external power supply 6 on the collecting wire slot, the plug for external power supply 7 on the battery box, the power supply system base (collecting wire slot)
Notations of the numerical notation in fig. 7: 1. a cockpit (relative to a power supply system) 2 of the freight car, an external power supply anode and cathode 3 unified by the aggregated system, a cargo box (relative to the power supply system) 4 of the freight car, wheels (relative to the power supply system) 5 of the freight car, a power supply system 6 of the freight car, and a battery box guardrail
Notations of the numerical notation in fig. 8: 1. the system comprises a car engine compartment (relative to a power supply system) 2, an external power supply anode and cathode unified by the system after collection 3, a power supply system 4 in the car engine compartment, a car front wheel (relative to the power supply system) 5, a car front wheel half shaft (relative to the power supply system) 6, a car power motor (relative to the power supply system) 7, a battery box guardrail 8, an engine cover opened upwards (relative to the power supply system)
Notations of the numerical notation in fig. 9: 1. steering wheel (position relative to the power supply system) 2, front row driver's seat (position relative to the power supply system) 3, rear row seat (position relative to the power supply system) 4, floor of the trunk (position relative to the power supply system) 5, present power supply system in the car trunk 6, direction of the car head.
Claims (7)
1. Multipurpose plug-in multi-cell battery pack power supply system, characterized in that, the system comprises a plurality of units that constitute the same, every unit by: the battery box (3) with the handle, the battery box insertion guide devices (2, 10) and the power supply system base (1) which are fully filled with batteries are composed of a battery box sleeve (2) and a battery box guardrail (10), each unit of the power supply system can be inserted into an independent battery box (3) which is fully filled with batteries, a battery box handle (4) of each battery box (3) can be held by hands, a box battery is directly inserted into the battery box insertion guide devices (2, 10) to be connected into the power supply system, a box battery (3) can be pulled out from the insertion guide devices (2, 10) and is pulled out from the power supply system by holding the handle by hands, after the battery box (3) is inserted into the guide devices (2, 10), positive and negative pole metal sheet connectors (8) of the battery box (3) just can be contacted with positive and negative pole metal connectors (16) on connecting seats (14) of corresponding units, the battery box (3) is immediately connected to the power supply circuit of the system to supply power, the base (1) of the system can be made into a base which can be inserted with a plurality of battery boxes according to needs, all the inserted battery boxes are aggregated into uniform electric energy through parallel and series circuits in the base (1) of the power supply system, and the uniform electric energy is used for supplying power to the outside through the aggregated system uniform power supply anode and cathode (9). the whole power supply system can supply power with higher rated voltage and larger rated current than a single-box battery (3). for the multi-unit system, a split type battery management system (13) is used for managing and operating.
2. A system according to claim 1, characterized in that a plurality of manually hand-portable battery boxes (3) are inserted into a battery box insertion guide (2, 10) on a power supply system base (1).
3. A system according to claim 1, characterized in that the battery box (3) for each battery box used can be manually inserted directly into the power supply system battery box insertion guide (2, 10) by holding its handle (4) by hand, or each battery box (3) can be pulled out of the power supply system battery box insertion guide (2, 10) by holding the handle (4) on the battery box by hand.
4. System according to claim 1, characterized in that a battery box transmits power in metallic contact with the power supply connection terminals of the whole system in order to be able to connect a battery unit quickly to the whole system, for example: after the battery box (3) is inserted into the battery box insertion guide devices (2 and 10), the positive and negative metal connectors (16) of the battery box (3) can just contact with the positive and negative metal connectors (16) on the connecting seats (14) of the corresponding units, so that the battery box (3) is immediately connected into the power supply circuit of the system to supply power, for example: in the attached figure, in an application mode (III) of the power supply system at the bottom of two micro passenger cars, a plug (6) for supplying power to the outside of a battery box can be quickly inserted into a socket (5) of a plug for supplying power to the outside of the battery box, which is arranged on a collecting wire groove, so that the power of the battery box can be quickly connected into the whole system through the contact conduction of a metal joint.
5. A system according to claim 1, characterized in that the base (1) in the system is formed as a base to which a number of battery boxes can be connected, as required.
6. The system according to claim 1, characterized in that all the battery boxes (3) inserted in the guides (2, 10) are combined into a unified electrical energy through parallel and series circuits in the base of the power supply system, and the unified electrical energy is supplied to the outside through the unified external power supply anode and cathode (9) of the combined system, and can supply power with higher rated voltage and higher rated current than the single-box battery (3).
7. The system according to claim 1, characterized in that the whole power supply system has a split battery management system (13) for management operation, the split means that there is a part of the battery management system inside the battery box (3) and another part of the battery management system outside the battery box (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2018113709758 | 2018-11-22 | ||
| CN201811370975 | 2018-11-22 |
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