CN113022367A - Auxiliary battery standard device and quick-change system of pure electric vehicle - Google Patents
Auxiliary battery standard device and quick-change system of pure electric vehicle Download PDFInfo
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- CN113022367A CN113022367A CN202110157029.0A CN202110157029A CN113022367A CN 113022367 A CN113022367 A CN 113022367A CN 202110157029 A CN202110157029 A CN 202110157029A CN 113022367 A CN113022367 A CN 113022367A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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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
- 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
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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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Abstract
The invention relates to a standard device of an auxiliary battery of a pure electric vehicle, a simple quick-change system of the auxiliary battery and an automatic quick-change system of the auxiliary battery, wherein the standard device of the auxiliary battery comprises a quick connecting terminal, a battery management system and a standard auxiliary battery pack suitable for different pure electric vehicles; the quick connecting terminals are respectively connected with the standardized auxiliary battery pack and the pure electric vehicle main battery pack; the battery management system transmits information through the quick connecting terminal so as to control the standardized auxiliary battery pack and the pure electric vehicle main battery pack; the battery management system comprises a first control module, wherein the first control module is used for controlling the pure electric vehicle to preferentially use the standardized auxiliary battery pack, and controlling the pure electric vehicle to simultaneously use the standardized auxiliary battery pack and the pure electric vehicle main battery pack when the electric quantity of the standardized auxiliary battery pack is the same as that of the pure electric vehicle main battery pack. According to the scheme, the battery of the pure electric vehicle can be replaced quickly, so that the problems of cruising anxiety and overhigh charging cost of the pure electric vehicle are solved.
Description
Technical Field
The invention relates to the field of batteries of pure electric vehicles, in particular to a standard device for an auxiliary battery of a pure electric vehicle, a simple quick-change system for the auxiliary battery and an automatic quick-change system for the auxiliary battery.
Background
With the diminishing of world petroleum resources and the increasing awareness and requirements of people on environmental protection, new energy automobiles will gradually replace traditional energy automobiles, and pure electric automobiles are the largest types of new energy automobiles with the largest sales volume and the largest preservation volume.
The vehicle is used as a transportation tool, the requirement of people on the vehicle for long-distance travel is met, one of the maximum pain points of the pure electric vehicle is endurance anxiety, once the vehicle is powered off, the vehicle cannot move at all, the vehicle cannot be pushed to a charging station by manpower, and a driver is trapped in a predicament; secondly, the high price of the charging column of the existing pure electric automobile and the overlong charging time of the charging column are also prohibitive for consumers.
Therefore, although the manufacturing technology of the pure electric vehicle is mature, the development process is still limited by the problems of cruising anxiety, high cost of the charging post, too long charging time and the like.
Disclosure of Invention
In order to solve the problems of cruising anxiety, overhigh charging post cost and overlong charging time of the conventional pure electric vehicle, the invention provides a standard device of an auxiliary battery of the pure electric vehicle, a simple quick-change system of the auxiliary battery and an automatic quick-change system of the auxiliary battery.
In a first aspect, in order to solve the above technical problems, the present invention provides a secondary battery standard device for a pure electric vehicle, including a fast connection terminal, a battery management system, and a standardized secondary battery pack suitable for different pure electric vehicles;
the quick connecting terminals are used for respectively connecting the standardized auxiliary battery pack and the pure electric vehicle main battery pack;
the battery management system transmits information through the quick connecting terminal so as to control the standardized auxiliary battery pack and the pure electric vehicle main battery pack;
the battery management system comprises a first control module, wherein the first control module is used for controlling the pure electric vehicle to preferentially use the standardized auxiliary battery pack, and when the electric quantity between the standardized auxiliary battery pack and the pure electric vehicle main battery pack is the same, the pure electric vehicle is controlled to simultaneously use the standardized auxiliary battery pack and the pure electric vehicle main battery pack.
The standardized auxiliary battery pack can be suitable for different pure electric vehicles, one or more sets of standards are summarized by counting the battery packs of the vehicles on the market, and then one or more standardized auxiliary battery packs are obtained by utilizing the standards.
The auxiliary battery standard device provided by the invention has the beneficial effects that: the problem of endurance anxiety of the existing pure electric vehicle is solved, and batteries of different types of pure electric vehicles can be conveniently and quickly replaced by standardizing the auxiliary battery pack, so that the endurance anxiety of the pure electric vehicles is effectively avoided; the first control module in the battery management system enables the pure electric vehicle to use the electric quantity of the main battery pack and the standardized auxiliary battery pack in a planned way, so that the situation that the pure electric vehicle needs to be charged for many times can be effectively avoided, and the charging time is reduced.
On the basis of the technical scheme, the standard device for the auxiliary battery can be further improved as follows.
Further, the battery management system also comprises a second control module and a selection module;
the second control module is used for controlling the pure electric vehicle to preferentially use the standardized auxiliary battery pack and controlling the pure electric vehicle to use the pure electric vehicle main battery pack when the electric quantity of the standardized auxiliary battery pack reaches a first preset threshold value;
the selection module is used for calling the first control module or the second control module according to user requirements.
The beneficial effect of adopting the further scheme is that: the electric quantity of the standardized auxiliary battery pack is preferentially used by the pure electric vehicle through the second control module in the battery management system, so that the situation that the main battery pack of the pure electric vehicle needs to be charged for many times can be further effectively avoided; through the selection module, a user can select one of the first control module or the second control module to operate according to actual conditions, so that the pure electric vehicle can use the electric quantity of the main battery pack and the electric quantity of the standardized auxiliary battery pack according to the actual conditions in a planned way, the situation that the pure electric vehicle needs to be charged for many times is effectively avoided, and the charging time is shortened.
Further, the standardized auxiliary battery pack is installed in a concave hole formed in the bottom of the main battery pack of the pure electric vehicle;
the quick connecting terminal is installed on any contact surface of the standardized auxiliary battery pack and the pure electric vehicle main battery pack.
The beneficial effect who adopts above-mentioned scheme is: standardized vice battery package is installed in the shrinkage pool of pure electric vehicles main battery package bottom, quick connect terminal installs on the arbitrary contact surface of standardized vice battery package and main battery package, can be in the space of practicing thrift the vehicle, can carry out energy transfer and information transfer between convenient standardized vice battery package and the main battery package to make battery management system can manage the electric quantity of standardized vice battery package and main battery package.
Further, still include:
the locking head part is used for locking the standardized auxiliary battery pack in a concave hole at the bottom of the main battery pack of the pure electric vehicle; the latch member is located at the bottom of the standardized secondary battery pack.
The beneficial effect of adopting the further scheme is that: the locking head component can effectively fix the standardized auxiliary battery pack, so that the safety of the pure electric vehicle in the driving process is ensured.
In a second aspect, the invention provides a simple quick change system for an auxiliary battery of a pure electric vehicle, which is applied to the pure electric vehicle comprising the auxiliary battery standard device in the scheme, and comprises a lifting component and an unlocking component;
the lifting component is used for lifting the pure electric vehicle so that the bottom space of the pure electric vehicle is enough for placing the auxiliary battery standard device;
the unlocking part is used for unlocking the locking head part of the auxiliary battery standard device.
The simple quick-change system for the auxiliary battery provided by the invention has the beneficial effects that: the problem of current pure electric vehicles ' continuation of the journey anxiety and the post cost of charging too high is solved, the pure electric vehicles of different grade type can be suitable for to the auxiliary battery standard device, simultaneously through lifting parts and unlocking parts, can conveniently accomplish pure electric vehicles's battery quick change fast to effectively avoid pure electric vehicles ' continuation of the journey anxiety, also avoided the consumer to purchase the post of charging simultaneously and need pay the inconvenience that too high cost and battery overlength charging time caused.
In a third aspect, the invention provides an automatic quick-change system for a secondary battery of a pure electric vehicle, which is applied to the pure electric vehicle comprising the secondary battery standard device in the above scheme, and comprises a servo mechanism controller, a first lifting component and a second lifting translation component,
the servo controller is configured to: and controlling the first lifting component to lift the pure electric vehicle, and controlling the second lifting translation component to lift and translate an auxiliary battery standard device of the pure electric vehicle.
The automatic quick change system for the auxiliary battery provided by the invention has the beneficial effects that: the problem of current pure electric vehicles ' continuation of the journey anxiety and the post cost of charging too high is solved, the pure electric vehicles of different grade type can be suitable for to the auxiliary battery standard device, simultaneously through first lifting component and second lifting translation part, can conveniently accomplish pure electric vehicles's battery change fast, thereby effectively avoid pure electric vehicles ' continuation of the journey anxiety, the inconvenience that the consumer need pay the cost that too high and the charge time of battery overlength caused has also been avoided purchasing the post simultaneously. In addition, the servo mechanism controller in the automatic quick change system for the secondary battery controls the first lifting part and the second lifting translation part, so that the replacement efficiency of the secondary battery can be improved, and the labor cost can be further saved.
Further, the automatic unlocking device also comprises an automatic unlocking module,
the servomechanism controller is further configured to: and controlling the automatic unlocking module to unlock or lock the locking head component of the auxiliary battery standard device of the pure electric automobile.
The beneficial effect of adopting the further scheme is that: the servo mechanism controller is matched with the first lifting part and the second lifting translation part by controlling the automatic unlocking module, so that the auxiliary battery standard device of the pure electric automobile can be automatically replaced, and the labor cost can be further saved while the auxiliary battery replacement efficiency is improved.
Further, the automatic identification device also comprises an automatic identification module and a third lifting translation component;
the automatic identification module is used for identifying the battery model of the auxiliary battery standard device of the pure electric vehicle to obtain a battery model signal and sending the battery model signal to the servo mechanism controller;
the servomechanism controller is further configured to: and receiving the battery model signal, selecting a corresponding new auxiliary battery standard device according to the battery model signal, and placing the auxiliary battery standard device on the third lifting translation component.
Further, the automatic identification module comprises a code scanner and/or a Bluetooth module;
when the pure electric vehicle drives through the automatic identification device, the code scanning machine scans a bar code or a two-dimensional code on the body of the pure electric vehicle to identify the type of the standard device of the auxiliary battery of the pure electric vehicle;
or the Bluetooth module receives the model of the auxiliary battery standard device of the pure electric vehicle, which is sent by the pure electric vehicle.
The beneficial effect of adopting the further scheme is that: the battery model of the auxiliary battery standard device of the pure electric vehicle is identified through the automatic identification module and is sent to the servo mechanism controller, and the servo mechanism controller is used for placing the corresponding new auxiliary battery standard device on the third lifting and translating part and carrying out subsequent replacement, so that the automatic whole-process replacement of the auxiliary battery standard device of the pure electric vehicle is realized, and the labor cost can be further saved while the auxiliary battery replacement efficiency is improved.
Further comprises a camera and an identification module,
the camera is used for shooting images of the parking position of the pure electric vehicle and sending the images to the identification module;
the identification module is used for identifying the stop position of the auxiliary battery standard device of the pure electric vehicle in the stop position image.
Preferably, the system also comprises a ground matrix sensor and a second conversion module, the pure electric vehicle main battery pack also comprises a positioning rod,
the ground matrix sensor is used for detecting a second coordinate position of a positioning rod in the main battery pack of the pure electric vehicle;
and the second conversion module is used for obtaining a third coordinate position of the auxiliary battery standard device according to the second coordinate position.
The beneficial effect of adopting the further scheme is that: through the camera, the identification module and the ground matrix sensor in the two schemes, the position of the auxiliary battery standard device in the pure electric vehicle can be effectively identified through the second conversion module and the positioning rod, so that the automatic unlocking module is controlled by the follow-up servo mechanism controller according to the coordinate position of the auxiliary battery standard device, the auxiliary battery standard device is automatically replaced in the whole process of the pure electric vehicle through the first lifting part and the second lifting translation part, and the labor cost can be further saved while the auxiliary battery replacement efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below to the drawings required for the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a secondary battery standard device of a pure electric vehicle according to an embodiment of the present invention;
fig. 2 is a schematic circuit structure diagram of a secondary battery standard device of a pure electric vehicle according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lifting translation component of a simple quick change system for a secondary battery according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an unlocking part of a simple quick-change system for a secondary battery according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an automatic quick change system for a secondary battery according to an embodiment of the present invention;
fig. 6 is a schematic mechanical structure diagram of an automatic quick change system for a secondary battery according to an embodiment of the present invention.
Detailed Description
The following examples are further illustrative and supplementary to the present invention and do not limit the present invention in any way.
Example one
The sub-battery standard device 100 of the pure electric vehicle according to the embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1, a secondary battery standard device 100 of a pure electric vehicle according to an embodiment of the present invention includes a quick connection terminal 110 and a standardized secondary battery pack 130 suitable for different pure electric vehicles;
the auxiliary battery standard device 100 is installed in a concave hole 160 formed at the bottom of the pure electric vehicle main battery pack 500; the quick connection terminal 110 is installed on the standardized auxiliary battery pack 130 and is used for respectively connecting the standardized auxiliary battery pack 130 and the pure electric vehicle main battery pack 500 to facilitate information transmission; the quick connection terminal 110 may be disposed on any contact surface between the standardized sub-battery pack 130 and the main battery pack 500 of the electric vehicle.
The auxiliary battery standard device 100 further comprises a battery management system 120, wherein the battery management system 120 performs information transmission through the quick connection terminal 110 to control the standardized auxiliary battery pack and the pure electric vehicle main battery pack 500; the battery management system 120 comprises a first control module, the first control module is used for controlling the pure electric vehicle to preferentially use the standardized auxiliary battery pack 130, and when the electric quantity between the standardized auxiliary battery pack 130 and the pure electric vehicle main battery pack 500 is the same, the pure electric vehicle is controlled to simultaneously use the standardized auxiliary battery pack 130 and the pure electric vehicle main battery pack 500.
Standardized auxiliary battery package 130 can be applicable to different electricelectric cars, through making statistics to the vehicle battery package of going on the market, it forms standardized auxiliary battery package to do several standard model, standardized auxiliary battery package can carry out the battery package to different brand vehicles and change, partly every car factory that former car did not change is different, but the battery package of changing can be the same, can preferentially use the capacity of standardized auxiliary battery package in the auxiliary battery standard device in the use of battery package, through establish standardized auxiliary battery package charging station easily in each place, make and trade the battery and refuel equally convenient, can also calculate the battery cost of trading according to the residual capacity simultaneously.
Specifically, the standardized auxiliary battery pack 130 is used for quick replacement of auxiliary battery packs among different vehicle types, so that the charging station can store and charge conveniently; preliminary determinations were made for battery packs made using groups including, but not limited to, 21700 cell groups, sizes and quantities of electricity including, but not limited to, 400mm by 150mm, approximately 30 degrees of electricity, and specifications of 400mm by 600mm by 150mm, approximately 45 degrees of electricity.
Through the standardized auxiliary battery pack 130, batteries of different types of pure electric vehicles can be conveniently and quickly replaced, so that the cruising anxiety of the pure electric vehicles is effectively avoided; the first control module in the battery management system 120 enables the pure electric vehicle to use the electric quantity of the main battery pack and the standardized auxiliary battery pack 130 in a planned way, so that the situation that the pure electric vehicle needs to be charged for many times can be effectively avoided, and the charging time is reduced.
Preferably, the battery management system 120 further comprises a second control module and a selection module;
the second control module is used for controlling the pure electric vehicle to preferentially use the standardized auxiliary battery pack 130, and controlling the pure electric vehicle to use the pure electric vehicle main battery pack 500 when the electric quantity of the standardized auxiliary battery pack 130 is insufficient;
the selection module is used for selecting one of the first control module or the second control module to operate according to user requirements.
The electric quantity of the standardized auxiliary battery pack 130 is preferentially used by the pure electric vehicle through the second control module in the battery management system 120, so that the situation that the main battery pack of the pure electric vehicle needs to be charged for many times can be further effectively avoided; through the selection module, a user can select one of the first control module or the second control module to operate according to actual conditions, so that the pure electric vehicle can use the electric quantity of the main battery pack and the standardized auxiliary battery pack 130 according to the actual conditions in a planned way, the situation that the pure electric vehicle needs to be charged for multiple times is effectively avoided, and the charging time is reduced.
Specifically, as shown in fig. 2, the battery management system BMS is connected to the main battery pack solid-state relay and the sub battery pack solid-state relay, respectively, for information transfer; meanwhile, the battery management system BMS sends a signal to the electronic control unit ECU through a CAN serial communication protocol so that the electronic control unit ECU coordinates the power supply process of the main battery pack and the auxiliary battery pack.
In fig. 2, the ECU is respectively connected to the main battery pack solid-state relay and the auxiliary battery pack solid-state relay through two control lines; the power distribution unit PDU is respectively connected with the main battery pack solid-state relay and the auxiliary battery pack solid-state relay through two power lines, and the power distribution unit PDU is also sequentially connected with an electric controller and a motor.
1) When the first control module is selected, the battery management system BMS sends a first signal to the electronic control unit ECU, the electronic control unit ECU selects the solid-state relay of the auxiliary battery pack to be switched on according to the first signal, the auxiliary battery pack supplies power to the electric control unit and the motor, and the electric quantity of the auxiliary battery pack is preferentially used.
When the battery management system BMS detects that the electric quantity between the standardized auxiliary battery pack 130 and the pure electric vehicle main battery pack 500 is the same, the battery management system BMS sends a second signal to the electronic control unit ECU, the electronic control unit ECU selects the main battery pack solid-state relay and the auxiliary battery pack solid-state relay to be simultaneously conducted according to the second signal, and the main battery pack and the auxiliary battery pack simultaneously supply power to the electric controller and the motor, so that the electric quantity of the main battery pack and the auxiliary battery pack is balanced.
2) When the second control module is selected, the battery management system BMS sends a first signal to the electronic control unit ECU, the electronic control unit ECU selects the solid-state relay of the auxiliary battery pack to be switched on according to the first signal, the auxiliary battery pack supplies power to the electric control unit and the motor, and the electric quantity of the auxiliary battery pack is preferentially used.
When the battery management system BMS detects that the electric quantity of the standardized auxiliary battery pack 130 is insufficient, the battery management system BMS sends a third signal to the electronic control unit ECU, the electronic control unit ECU selects the solid-state relay of the main battery pack to be conducted according to the third signal, and the main battery pack supplies power for the electric control and the motor at the moment.
3) When the pure electric vehicle is charged, the battery management system BMS sends a fourth signal to the electronic control unit ECU, the electronic control unit ECU selects the main battery pack solid-state relay to be conducted according to the fourth signal, and at the moment, the main battery pack is charged preferentially;
when the battery management system BMS detects that the main battery pack is full, the battery management system BMS sends a fifth signal to the electronic control unit ECU, the electronic control unit ECU selects the main battery pack solid-state relay to be conducted according to the fifth signal, and at the moment, the auxiliary battery pack starts to be charged.
Preferably, the method further comprises the following steps:
the locking head part 140 is used for locking the auxiliary battery standard device 100 in a concave hole 160 at the bottom of the pure electric vehicle main battery pack 500;
the latch part 140 is located at the bottom of the standardized sub-battery pack 130.
Specifically, lock head part 140 may include a lock body structure and a rack and pinion structure, the rack and pinion structure has four, as shown in fig. 4, rotates gear 412 in the rack and pinion structure controls lock tongue 405 in the rack and pinion structure extends, and when lock tongue 405 in the rack and pinion structure is snapped into the lock body structure, sub-battery standard device 100 is locked in concave hole 160 at the bottom of pure electric vehicle main battery pack 500.
Example two
The simple quick-change system for the secondary battery, provided by the embodiment of the invention, is applied to the pure electric vehicle with the secondary battery standard device 100 in the scheme of the first embodiment, and comprises a lifting part and an unlocking part;
the lifting component is used for lifting the pure electric vehicle so that the bottom space of the pure electric vehicle is enough for placing the auxiliary battery standard device 100 and equipment for replacing the auxiliary battery standard device 100;
the unlocking means is used to unlock the locking means 140 of the secondary battery standard device 100.
Specifically, the lifting member may be a universal four-column lifter, and the unlocking member, as shown in fig. 3, includes four retractable synchronous rotating shafts 401 corresponding to the centers of the gears 412 of the four rack-and-pinion structures of the locking head member 140, as shown in fig. 4, where the center distance of the retractable synchronous rotating shafts is the same as the center distance of the gears. In addition, as shown in fig. 3, a rotation hole 402, a support column 403 and a lifting platform 404 are matched with the four telescopic synchronous rotating shafts 401, and the rotation hole, the support column 403 and the lifting platform 404 jointly form a lifting translation component.
During unlocking, the pure electric vehicle is lifted by the four-column lifter, and then the lifting platform 404 is pushed to the lower side of the auxiliary battery standard device of the pure electric vehicle. Firstly, a support column 403 is utilized to contact and support a secondary battery standard device, and four telescopic synchronous rotating shafts 401 correspond to the positions of gears in the lock head part 140; the rocker is inserted into the rotation hole 402, and the rotation hole 402 is rotated by manually rotating the rocker, so as to drive the retractable synchronous rotating shaft 401 to rotate, as shown in fig. 4, until the latch bolt 405 in the latch component 140 exits the latch structure, thereby completing unlocking. After the unlocking is completed, the secondary battery standard device 100 in the pure electric vehicle exits the concave hole 160 of the primary battery pack 500 and smoothly falls on the support column 403, and then the lifting platform 404 is manually lowered, and the whole lifting translation component is removed.
During installation, the fully charged auxiliary battery standard device 100 is placed on the supporting column 403 of the other lifting translation component, and is moved to the bottom of the pure electric vehicle, and the concave hole 160 of the main battery pack 500 and the new auxiliary battery standard device 100 are manually aligned and locked, so that installation is completed, wherein the locking process is opposite to the unlocking process.
Can be suitable for the pure electric vehicles of different grade type through auxiliary battery standard device 100, simultaneously through lifting parts and unblock part, can conveniently accomplish pure electric vehicles's battery quick change fast to effectively avoid pure electric vehicles's continuation of the journey anxiety, also avoided the consumer to purchase the charging post simultaneously and need pay out the inconvenience that too high cost and battery overlength charge time caused.
EXAMPLE III
The automatic quick-change system for the secondary battery according to the embodiment of the present invention is applied to a pure electric vehicle including the secondary battery standard apparatus 100 described in the above-mentioned solution, and as shown in fig. 5, the first lifting component 311, the servo controller 314, the second lifting translation component 312, and the third lifting translation component 316,
the servomechanism controller 314 is configured to: and controlling the first lifting component 311 to lift the pure electric vehicle, and controlling the second lifting translation component 312 to perform lifting translation on the secondary battery standard device 100 of the pure electric vehicle.
The auxiliary battery standard device 100 can be suitable for pure electric vehicles of different types, and meanwhile, the batteries of the pure electric vehicles can be conveniently and quickly replaced by the first lifting component 311 and the second lifting translation component 312, so that the cruising anxiety of the pure electric vehicles is effectively avoided, and the inconvenience caused by the fact that consumers need to pay too high cost and too long charging time when purchasing charging columns is also avoided. In addition, the servo controller 314 in the automatic secondary battery quick-change system controls the first lifting component 311 and the second lifting translation component 312, so that the replacement efficiency of the secondary battery can be improved, and the labor cost can be further saved.
Preferably, the automatic unlocking module is also included,
the servomechanism controller 314 is also configured to: and controlling the automatic unlocking module to unlock or lock the locking head part 140 of the secondary battery standard device 100 of the pure electric vehicle.
Specifically, the automatic unlocking module may be four retractable synchronous rotating shafts 415 mounted on the second lifting translation part 312 as shown in fig. 6.
The servo controller 314 controls the automatic unlocking module to cooperate with the first lifting component 311 and the second lifting translation component 312, so that the auxiliary battery standard device 100 of the pure electric vehicle can be automatically replaced, and the labor cost can be further saved while the auxiliary battery replacement efficiency is improved.
Preferably, the automatic identification module is also included,
the automatic identification module is used for identifying the battery model of the auxiliary battery standard device 100 of the pure electric vehicle to obtain a battery model signal and sending the battery model signal to the servo mechanism controller 314;
the servomechanism controller 314 is also configured to: and receiving the battery model signal, selecting a corresponding new secondary battery standard device 100 according to the battery model signal, and placing the device on the third lifting translation component 316.
Specifically, the automatic identification module comprises a code scanner and/or a Bluetooth module;
when the pure electric vehicle drives through the automatic identification module, the code scanning machine scans a bar code or a two-dimensional code on the body of the pure electric vehicle to identify the type of the auxiliary battery standard device 100 of the pure electric vehicle;
or, the bluetooth module receives the model of the auxiliary battery standard device 100 of the pure electric vehicle, which is sent by the pure electric vehicle.
The battery model of the auxiliary battery standard device 100 of the pure electric vehicle is identified through the automatic identification module and is sent to the servo mechanism controller 314, and the servo mechanism controller 314 is utilized to place the corresponding new auxiliary battery standard device 100 on the third lifting and translating part 316 for subsequent replacement, so that the automatic replacement of the auxiliary battery standard device 100 in the whole process of the pure electric vehicle is realized, and the labor cost can be further saved while the auxiliary battery replacement efficiency is improved.
Preferably, the system also comprises a camera and an identification module,
the camera is used for shooting images of the parking position of the pure electric vehicle and sending the images to the identification module;
the identification module is used for identifying the stop position of the auxiliary battery standard device 100 of the pure electric vehicle in the stop position image.
As another embodiment of the above camera and identification module, the battery pack of the pure electric vehicle may further include a ground matrix sensor and a second conversion module, the main battery pack 500 of the pure electric vehicle further includes a positioning rod,
the ground matrix sensor is used for detecting a second coordinate position of a positioning rod in a main battery pack 500 of the pure electric vehicle;
the second conversion module is configured to obtain a third coordinate position of the secondary battery standard device 100 according to the second coordinate position.
The stop position, the second coordinate position, the third coordinate position, and other position data may be specific position data determined by using a cartesian coordinate system. Through the camera in above-mentioned two schemes, identification module and ground matrix sensor, secondary battery standard device 100's position in the pure electric vehicles can effectively be discerned to second conversion module and locating lever, thereby make things convenient for follow-up servo controller 314 to carry out whole journey automatic change secondary battery standard device according to secondary battery standard device 100's coordinate position control automatic unblock module, first lifting component 311 and second lifting translation component 312 to pure electric vehicles, thereby can further save the human cost when improving secondary battery change efficiency.
Specifically, as shown in fig. 6, the second lifting and translating part 312 includes a lifting table 417, a supporting column 416, and a retractable synchronous rotating shaft 415; the third lifting translation component 316 comprises a lifting table 414, a supporting column 413 and a retractable synchronous rotating shaft 418, wherein the lifting of the lifting table in the second lifting translation component 312 and the third lifting translation component 316, the extension and retraction of the retractable synchronous rotating shaft, the rotation and the like are all driven by the servo controller 314 through a motor, so that the automation is realized.
As shown in fig. 6, the second lifting translation component 312 and the third lifting translation component 316 are respectively installed on the X2 axis guide rail 410 and the X3 axis guide rail 411, the X2 axis guide rail 410 and the X3 axis guide rail 411 are installed on the same base sliding plate, and the base sliding plate is installed on the Y axis guide rail 409 and can move in the Y direction.
The Y-axis ball screw 406 is controlled by the servo controller 314 to rotate so as to precisely adjust the positions of the second lifting translation part 312 and the third lifting translation part 316 in the Y direction; the X2 axis ball screw 407 is controlled by the servo controller 314 to precisely adjust the position of the second lifting translation component 312 in the X direction; the X3 axis ball screw 408 is controlled by the servo controller 314 to precisely adjust the position of the third lifting translation component 316 in the X direction.
1) After receiving the battery model signal, the servo controller 314 selects the fully charged secondary battery standard device 100 corresponding to the battery model signal and places the fully charged secondary battery standard device on the support column 413 of the third lifting translation component 316;
2) after the position data of the auxiliary battery standard device 100 of the pure electric vehicle is obtained, the servo controller 314 controls the servo motor to drive the X2-axis ball screw 407 and the Y-axis ball screw 406 to rotate according to the position data, so as to adjust the second lifting translation component 312 to perform automatic alignment with the auxiliary battery standard device 100 of the pure electric vehicle;
3) after the automatic alignment is completed, the servo controller 314 controls the lifting platform 417 of the second lifting and translating part 312 to lift until the four retractable synchronous rotating shafts 415 correspond to the positions of the gears 412 in the lock head part 140 of the secondary battery standard device of the pure electric vehicle as shown in fig. 4, and then the servo controller 314 controls the retractable synchronous rotating shafts 401 to rotate until the lock tongue 405 in the lock head part 140 of the secondary battery standard device 100 exits the lock body structure, and the unlocking is completed. After the unlocking is completed, the auxiliary battery standard device 100 of the disassembled pure electric vehicle smoothly falls on the supporting column 416 of the second lifting and translating part 312, and finally the servo controller 314 controls the X2 axis ball screw 407 and the Y axis ball screw 406 to rotate so that the second lifting and translating part 312 is moved away;
4) after the servo controller 314 controls the second lifting translation part 312 to move away, the servo controller 314 controls the servo motor to drive the X3 axis ball screw 408 and the Y axis ball screw 406 to rotate according to the position data, so as to adjust the position of the third lifting translation part 316 and the position of the original sub-battery standard device 100 of the pure electric vehicle to perform automatic alignment;
then the servo controller 314 controls the lifting platform 413 of the third lifting and translating part 316 to lift until the fully charged secondary battery standard device 100 is placed in the concave hole 160 of the pure electric vehicle main battery pack 500, and makes the four retractable synchronous rotating shafts 418 correspond to the positions of the gears 412 in the locking head part 140 of the secondary battery standard device 100 as shown in fig. 4, and then the servo controller 314 controls the retractable synchronous rotating shafts 418 to rotate until the locking tongue 405 in the locking head part 140 of the fully charged secondary battery standard device 100 extends to the lock body structure, so as to lock the fully charged secondary battery standard device 100; finally, the servo controller 314 controls the X3 axis ball screw 408 and the Y axis ball screw 406 to rotate so as to remove the third lifting translation part 316, thereby completing the replacement of the standard device of the secondary battery.
In the above-mentioned simple quick-change system for a secondary battery of a pure electric vehicle and the step of implementing corresponding functions by each parameter and each unit module in the automatic quick-change system for a secondary battery of a pure electric vehicle according to the present invention, reference may be made to the above-mentioned step of implementing corresponding functions by each parameter and each unit module in the embodiment of a standard device for a secondary battery of a pure electric vehicle, and details are not repeated here.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The auxiliary battery standard device of the pure electric vehicle is characterized by comprising a quick connecting terminal, a battery management system and standardized auxiliary battery packs suitable for different pure electric vehicles;
the quick connecting terminals are used for respectively connecting the standardized auxiliary battery pack and the pure electric vehicle main battery pack;
the battery management system transmits information through the quick connecting terminal so as to control the standardized auxiliary battery pack and the pure electric vehicle main battery pack;
the battery management system comprises a first control module, wherein the first control module is used for controlling the pure electric vehicle to preferentially use the standardized auxiliary battery pack, and when the electric quantity between the standardized auxiliary battery pack and the pure electric vehicle main battery pack is the same, the pure electric vehicle is controlled to simultaneously use the standardized auxiliary battery pack and the pure electric vehicle main battery pack.
2. The sub-battery standard apparatus according to claim 1, wherein the battery management system further comprises a second control module and a selection module;
the second control module is used for controlling the pure electric vehicle to preferentially use the standardized auxiliary battery pack and controlling the pure electric vehicle to use the pure electric vehicle main battery pack when the electric quantity of the standardized auxiliary battery pack reaches a first preset threshold value;
the selection module is used for calling the first control module or the second control module according to user requirements.
3. The sub-battery standard device according to any one of claims 1 to 2,
the standardized auxiliary battery pack is arranged in a concave hole formed in the bottom of the main battery pack of the pure electric vehicle;
the quick connecting terminal is installed on any contact surface of the standardized auxiliary battery pack and the pure electric vehicle main battery pack.
4. The sub-battery standard device according to claim 3, further comprising:
the locking head part is used for locking the standardized auxiliary battery pack in a concave hole at the bottom of the main battery pack of the pure electric vehicle;
the latch member is located at the bottom of the standardized secondary battery pack.
5. The simple quick-change system for the secondary battery of the pure electric vehicle is characterized by being applied to the pure electric vehicle comprising the secondary battery standard device as claimed in claim 4, and comprising a lifting part and an unlocking part;
the lifting component is used for lifting the pure electric vehicle so that the bottom space of the pure electric vehicle is enough for placing the auxiliary battery standard device;
the unlocking part is used for unlocking the locking head part of the auxiliary battery standard device.
6. An automatic quick-change system for a secondary battery of a pure electric vehicle is applied to the pure electric vehicle comprising the secondary battery standard device of claim 5, and comprises a servo mechanism controller, a first lifting part and a second lifting translation part,
the servo controller is configured to: and controlling the first lifting component to lift the pure electric vehicle, and controlling the second lifting translation component to lift and translate an auxiliary battery standard device of the pure electric vehicle.
7. The automatic quick change system for the secondary battery according to claim 6, further comprising an automatic unlocking module,
the servomechanism controller is further configured to: and controlling the automatic unlocking module to unlock or lock the locking head component of the auxiliary battery standard device of the pure electric automobile.
8. The automatic quick-change system for the secondary battery according to claim 6, further comprising an automatic identification module and a third lifting translation component;
the automatic identification module is used for identifying the battery model of the auxiliary battery standard device of the pure electric vehicle to obtain a battery model signal and sending the battery model signal to the servo mechanism controller;
the servomechanism controller is further configured to: and receiving the battery model signal, selecting a corresponding new auxiliary battery standard device according to the battery model signal, and placing the auxiliary battery standard device on the third lifting translation component.
9. The automatic quick change system for the secondary battery according to claim 8, wherein the automatic identification module comprises a code scanner and/or a Bluetooth module;
when the pure electric vehicle drives through the automatic identification device, the code scanning machine scans a bar code or a two-dimensional code on the body of the pure electric vehicle to identify the type of the standard device of the auxiliary battery of the pure electric vehicle;
or the Bluetooth module receives the model of the auxiliary battery standard device of the pure electric vehicle, which is sent by the pure electric vehicle.
10. The automatic quick change system for the secondary battery according to claim 6, further comprising a camera and an identification module,
the camera is used for shooting images of the parking position of the pure electric vehicle and sending the images to the identification module;
the identification module is used for identifying the stop position of the auxiliary battery standard device of the pure electric vehicle in the stop position image.
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Application publication date: 20210625 |