CN106740206A - The quick change method and quick-change system of battery of electric vehicle bag - Google Patents
The quick change method and quick-change system of battery of electric vehicle bag Download PDFInfo
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- CN106740206A CN106740206A CN201611209199.4A CN201611209199A CN106740206A CN 106740206 A CN106740206 A CN 106740206A CN 201611209199 A CN201611209199 A CN 201611209199A CN 106740206 A CN106740206 A CN 106740206A
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- battery bag
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- battery
- bag
- positive relay
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention provides a kind of quick change method and quick-change system of battery of electric vehicle bag, wherein, the quick change method of battery of electric vehicle bag includes：Configuration can independently as first battery bag and the second battery bag of electrical source of power in electric motor car；The output end of the output end of the first battery bag and the second battery bag is connected in parallel；When the SOC of the first battery bag of current power supply is less than predetermined threshold, it is switched to the second battery bag and is powered.The quick change method and quick-change system of battery of electric vehicle bag of the invention efficiently solve the short problem of distance travelled of electric motor car in the prior art.
Description
The application be the applying date on 2 9th, 2015, Application No. 201510067192.2, entitled " battery of electric vehicle bag
Quick change method and quick-change system " application for a patent for invention divisional application.
Technical field
The present invention relates to electric vehicle devices field, the more particularly to quick change method and quick-change system of battery of electric vehicle bag.
Background technology
In the prior art, electric motor car mainly installs an electrokinetic cell on chassis, as chassis electrokinetic cell SOC (State
The abbreviation of of Charge, refers to the ratio of charging capacity and rated capacity, is expressed as a percentage) it is too low when cannot work, then cannot
Normal work, causes the distance travelled of electric motor car short.
In addition, it is desirable to carry out long-time charging to the electrokinetic cell of electric motor car, the plenty of time is wasted.
The content of the invention
Quick change side the invention aims to provide a kind of short battery of electric vehicle bag of distance travelled for solving electric motor car
Method and quick-change system.
To achieve these goals, according to an aspect of the invention, there is provided a kind of quick change side of battery of electric vehicle bag
Method, including：Configuration can independently as first battery bag and the second battery bag of electrical source of power in electric motor car；Described
The output end of the output end of one battery bag and second battery bag is connected in parallel；In the SOC of the first battery bag of current power supply
During less than predetermined threshold, it is switched to second battery bag and is powered.
Further, first battery bag and second battery bag all include multiple modules that can individually dismantle,
Each described module can individually be charged under family's power utilization environment.
Further, the positive relay of the first master, described are provided with the outlet internal line of first battery bag
One master the first diode of positive relay parallel connection；The positive relay of the second master is provided with the outlet internal line of second battery bag
Device, the second diode of the positive relay parallel connection of the second master；When first battery bag is powered, it is described first master just after
Electrical equipment is closed, and the positive relay of second master disconnects.
Further, it is described to be switched to second battery bag and enter under conditions of the electric motor car is in transport condition
The step of row power supply, includes：The positive relay of first master disconnects, and first battery bag is by outside first diode pair
Power supply；The positive relay closure of second master, second battery bag is by the described second positive relay supplying power for outside of master；Institute
The voltage for stating the second battery bag is more than under conditions of the voltage of first battery bag, and first diode of one-way conduction breaks
Open.
Further, after the step of first diode of one-way conduction disconnects, also include：By gateway control
Device causes that the low-pressure system of first battery bag enters park mode.
Further, it is described to be switched to second battery bag and enter under conditions of the electric motor car is in dead ship condition
The step of row power supply, includes：By gateway controller so that the low-pressure system of first battery bag enters park mode, in institute
State and start the first battery bag described in the low-pressure system and No starting of second battery bag in electric motor car restarting procedure
Low-pressure system, so as to only be powered by second battery bag.
According to another aspect of the present invention, there is provided a kind of quick-change system of battery of electric vehicle bag, including：Can be respectively
Independent the first battery bag and the second battery bag as electrical source of power, configures in electric motor car, the output of first battery bag
The output end of end and second battery bag is connected in parallel；Switch unit, is used for：In the SOC of the first battery bag of current power supply
During less than predetermined threshold, it is switched to second battery bag and is powered.
Further, first battery bag and second battery bag all include multiple modules that can individually dismantle,
Each described module can individually be charged under family's power utilization environment.
Further, the positive relay of the first master, described are provided with the outlet internal line of first battery bag
One master the first diode of positive relay parallel connection；The positive relay of the second master is provided with the outlet internal line of second battery bag
Device, the second diode of the positive relay parallel connection of the second master；When first battery bag is powered, it is described first master just after
Electrical equipment is closed, and the positive relay of second master disconnects.
Further, the electric motor car be in transport condition under conditions of, the switch unit specifically for：Make described
The first positive relay of master disconnects, and first battery bag passes through the first diode supplying power for outside；Make it is described second master just after
Electrical equipment is closed, and second battery bag is by the described second positive relay supplying power for outside of master；In the voltage of second battery bag
Under conditions of voltage more than first battery bag, first diode of one-way conduction disconnects；At the electric motor car
Under conditions of dead ship condition, the switch unit specifically for：By gateway controller so that first battery bag it is low
Pressure system enters park mode, start in the electric motor car restarting procedure second battery bag low-pressure system and
The low-pressure system of the first battery bag described in No starting, so as to only be powered by second battery bag.
Two electrical source of power are configured in electric motor car, and two electrical source of power are parallel connection, when electrical source of power (first battery
Bag is generally preferential electrical source of power) electricity it is too low when, (the second battery bag is generally standby dynamic to be switched to another electrical source of power
Power power supply) work, so can effectively increase the continual mileage of electric motor car.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic diagram of the quick change method of battery of electric vehicle bag according to an embodiment of the invention；
The schematic diagram of the step of Fig. 2 is the quick change method of battery of electric vehicle bag shown in Fig. 1 S30；
Fig. 3 is the schematic diagram of the quick-change system of battery of electric vehicle bag according to an embodiment of the invention；
Fig. 4 is the topological diagram of the first battery bag of the quick-change system of battery of electric vehicle bag shown in Fig. 3；
Fig. 5 is the topological diagram of the second battery bag of the quick-change system of battery of electric vehicle bag shown in Fig. 3；
Fig. 6 is the structural representation of the first battery bag of the quick-change system of battery of electric vehicle bag shown in Fig. 3.
Specific embodiment
Fig. 1 is the schematic diagram of the quick change method of battery of electric vehicle bag according to an embodiment of the invention.The present embodiment
The quick change method of battery of electric vehicle bag, comprises the following steps：
S10：Configuration can independently as first battery bag and the second battery bag of electrical source of power in electric motor car；The
The output end of the output end of one battery bag and the second battery bag is connected in parallel.
S20：Judge whether the SOC of the first battery bag of current power supply is less than predetermined threshold.
S30：When the SOC of the first battery bag of current power supply is less than predetermined threshold, it is switched to the second battery bag and is supplied
Electricity.Step S30 is continued executing with if the SOC of the first battery bag of current power supply is more than predetermined threshold.
Wherein, SOC is the abbreviation of State of Charge, refers to the ratio of charging capacity and rated capacity, uses percentage table
Show.Battery has rated capacity, is charged the regular hour under certain multiplying power, can obtain charging capacity, charging capacity with it is specified
The ratio of capacity is SOC.Predetermined threshold can be set or according to the minimum output electricity of battery bag according to avoiding electricity
Pond bag electricity is used up damage battery and is set, and generally, predetermined threshold is set as between 5%-8%.
Two electrical source of power are configured in electric motor car, and two electrical source of power are parallel connection, when electrical source of power (first battery
Bag is generally preferential electrical source of power) electricity it is too low when, (the second battery bag is generally standby dynamic to be switched to another electrical source of power
Power power supply) work, so can effectively increase the continual mileage of electric motor car.
Quick-replaceable and charging in view of battery bag, the quick change method of the present embodiment also include：First battery bag and
Two battery bags all include multiple modules that can individually dismantle, and each module can individually be filled under family's power utilization environment
Electricity.
By n (n >=1, and be integer) module composition, module and Battery case in first battery bag and the second battery bag
Connected by quick connector, facilitate module quick-replaceable, each module weight ensures that adult normally moves and changes.Each
Module can individually be charged at home, convenient and swift safety.
The quick change method of the present embodiment also includes：Be provided with the outlet internal line of the first battery bag the first master just after
Electrical equipment, the first master the first diode of positive relay parallel connection.The second master is being provided with the outlet internal line of the second battery bag just
Relay, the second master the second diode of positive relay parallel connection.When the first battery bag is powered, the first positive relay of master is closed
Close, the second positive relay of master disconnects.First diode and the second diode are the diode that low pressure drop exceeds current mode, mainly
It act as reverse counnter attack and forward conduction effect.
The present embodiment it is further preferred that the step of being powered to switching battery bag is optimized, referring to Fig. 2, in switching
During the step of battery bag is powered, it is necessary first to detect that electric motor car is in transport condition or dead ship condition.Wherein, electronic
Car is under conditions of transport condition, and being switched to the step of the second battery bag is powered includes：
S41：The first positive relay of master disconnects, and the first battery bag passes through the first diode supplying power for outside；
S42：The positive relay closure of second master, the second battery bag is by the second positive relay supplying power for outside of master；In the second electricity
Under conditions of the voltage of Chi Bao is more than the voltage of the first battery bag, the first diode of one-way conduction disconnects.
S43：By gateway controller so that the low-pressure system of the first battery bag enters park mode.
And when electric motor car is under conditions of dead ship condition, being switched to the step of the second battery bag is powered includes：
S51：By gateway controller so that the low-pressure system of the first battery bag enters park mode, opened again in electric motor car
Start the low-pressure system of the second battery bag and the low-pressure system of the battery bag of No starting first during dynamic, so that only by the
Two battery bags are powered.
Present invention also offers a kind of embodiment of the quick-change system of battery of electric vehicle bag, referring specifically to Fig. 3, quick-change system
Including the first battery bag 10, the second battery bag 20 and switch unit, the first battery bag 10 and the second battery bag 20 can be only respectively
Stand as electrical source of power, and configure in electric motor car, the output end of the output end of the first battery bag 10 and the second battery bag 20 is simultaneously
Connection connection.Switch unit is configured as：When the SOC of the first battery bag 10 of current power supply is less than predetermined threshold, the is switched to
Two battery bags 20 are powered.Predetermined threshold can be set or according to the minimum output electricity of battery bag according to avoiding electricity
Pond bag electricity is used up damage battery and is set, and generally, predetermined threshold is set as between 5%-8%.
Two electrical source of power are configured in electric motor car, and two electrical source of power are parallel connection, when electrical source of power (first battery
Bag is generally preferential electrical source of power) electricity it is too low when, (the second battery bag is generally standby dynamic to be switched to another electrical source of power
Power power supply) work, so can effectively increase the continual mileage of electric motor car.
Quick-replaceable and charging in view of battery bag, the first battery bag 10 and the second battery bag 20 all can including multiple
The module 30 individually dismantled, each module 30 can individually be charged under family's power utilization environment.Shown in Figure 6 first
The structural representation of battery bag 10, because the second battery bag is identical with the structure of module 30 of the inside of the first battery bag, so simultaneously
The not shown structure on the second battery bag, but may refer to shown in Fig. 6.
Constituted by n (n >=1, and be integer) module 30 in first battery bag 10 and the second battery bag 20, module 30 with
Battery case is connected by quick connector, facilitates module quick-replaceable, and the weight of each module 30 ensures that adult normally removes
Dynamic and replacing.Each module 30 can individually be charged at home, convenient and swift safety.
Referring to Fig. 4, the positive relay 11 of the first master is provided with the outlet internal line of the first battery bag 10, the first master is just
First diode 12 in parallel of relay 11.Referring to Fig. 5, the second master is being provided with just on the outlet internal line of the second battery bag 20
Relay 21, the second positive second diode 22 in parallel of relay 21 of master.In normal driving process, the first battery bag is generally used
10 are powered, and when the first battery bag 10 is powered, the first positive relay 11 of master is closed, and the second positive relay 21 of master breaks
Open.
Switch unit in the present embodiment, for being controlled to electric motor car, but needs also exist for considering the row of electric motor car
Car state.Therefore, under conditions of electric motor car is in transport condition, switch unit is specifically configured to：Make the positive relay of the first master
Device 11 disconnects, and the first battery bag 10 passes through the supplying power for outside of the first diode 12；Close the positive relay 21 of the second master, the second battery
Bag 20 is by the second positive supplying power for outside of relay 21 of master；It is more than the voltage of the first battery bag 10 in the voltage of the second battery bag 20
Under the conditions of, the first diode 12 of one-way conduction disconnects.
And under conditions of electric motor car is in dead ship condition, switch unit is specifically configured to：Made by gateway controller
The low-pressure system for obtaining the first battery bag 10 enters park mode, and the second battery bag 20 is started in electric motor car restarting procedure
The low-pressure system of low-pressure system and the first battery bag of No starting 10, so as to only be powered by the second battery bag 20.
Operation switching：When the need of work of the first battery bag 10 is switched to the second battery bag 20, the first battery bag is first controlled
10 the first positive relay 11 of master disconnects, and now turns on supplying power for outside by the first diode 12, and next step closes the second battery
The second positive relay 21 of master of bag 20, now two battery bags supplying power for outside simultaneously, but because the voltage of the second battery bag 20 is high
In the first battery bag 10, the first reversely cut-off of diode 12, it is impossible to output voltage, voltage jump and two batteries will not also occur
Electrical potential difference is produced between bag, and the low-pressure system of the first battery bag 10 is entered park mode by gateway controller, smoothly completed
Switching.
Parking switching：When the SOC of the first battery bag 10 is too low, after parking, the first battery bag 10 is made by gateway controller
Low-pressure system enter park mode, only start the electrical system of the second battery bag 20 during restarting, complete switching.
Comprising n (n >=1, and be integer) battery system collection plate LECU and a battery system master in each battery bag
Control plate BMU.Wherein collection plate mainly gathers each monomer battery voltage and temperature；Battery system master control borad is mainly and battery system
Peripheral cell is communicated.
Battery system master control borad controls the relay on or off inside battery bag by signal, at the same monitoring it is total just,
Voltage between always negative.Battery system master control borad constantly gathers the size of current of current sensor detection, used as the master for calculating SOC
Will according to one of.Battery system master control borad detects the turn-on and turn-off state of relay, used as security monitoring condition.Battery system
Master control borad output control signal, the fan even load work in control battery bag.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. a kind of quick change method of battery of electric vehicle bag, it is characterised in that including：
Configuration can independently as first battery bag and the second battery bag of electrical source of power in electric motor car；
The output end of the output end of first battery bag and second battery bag is connected in parallel；
When the SOC of the first battery bag of current power supply is less than predetermined threshold, it is switched to second battery bag and is powered.
2. quick change method according to claim 1, it is characterised in that
First battery bag and second battery bag all include multiple modules that can individually dismantle, each described module energy
It is enough individually to be charged under family's power utilization environment.
3. quick change method according to claim 1, it is characterised in that
The positive relay of the first master is provided with the outlet internal line of first battery bag, the positive relay of first master is simultaneously
Join the first diode；
The positive relay of the second master is provided with the outlet internal line of second battery bag, the positive relay of second master is simultaneously
Join the second diode；
When first battery bag is powered, the positive relay closure of the first master, the positive relay of second master disconnects.
4. quick change method according to claim 3, it is characterised in that be in the condition of transport condition in the electric motor car
Under, described being switched to the step of second battery bag is powered includes：
The positive relay of first master disconnects, and first battery bag passes through the first diode supplying power for outside；
The positive relay closure of second master, second battery bag is by the described second positive relay supplying power for outside of master；Institute
The voltage for stating the second battery bag is more than under conditions of the voltage of first battery bag, and first diode of one-way conduction breaks
Open.
5. quick change method according to claim 4, it is characterised in that disconnected in first diode of one-way conduction
After step, also include：By gateway controller so that the low-pressure system of first battery bag enters park mode.
6. quick change method according to claim 3, it is characterised in that be in the condition of dead ship condition in the electric motor car
Under, described being switched to the step of second battery bag is powered includes：
By gateway controller so that the low-pressure system of first battery bag enters park mode, opened again in the electric motor car
Start the low-pressure system of the first battery bag described in the low-pressure system and No starting of second battery bag during dynamic, so that
Only powered by second battery bag.
7. a kind of quick-change system of battery of electric vehicle bag, it is characterised in that including：
Independently as first battery bag and the second battery bag of electrical source of power can configure in electric motor car, described first
The output end of the output end of battery bag and second battery bag is connected in parallel；
Switch unit, is used for：When the SOC of the first battery bag of current power supply is less than predetermined threshold, second electricity is switched to
Chi Bao is powered.
8. quick-change system according to claim 7, it is characterised in that
First battery bag and second battery bag all include multiple modules that can individually dismantle, each described module energy
It is enough individually to be charged under family's power utilization environment.
9. quick-change system according to claim 7, it is characterised in that
The positive relay of the first master is provided with the outlet internal line of first battery bag, the positive relay of first master is simultaneously
Join the first diode；
The positive relay of the second master is provided with the outlet internal line of second battery bag, the positive relay of second master is simultaneously
Join the second diode；
When first battery bag is powered, the positive relay closure of the first master, the positive relay of second master disconnects.
10. quick-change system according to claim 9, it is characterised in that
The electric motor car be in transport condition under conditions of, the switch unit specifically for：Make the positive relay of first master
Device disconnects, and first battery bag passes through the first diode supplying power for outside；The positive relay of second master is closed, it is described
Second battery bag is by the described second positive relay supplying power for outside of master；It is electric more than described first in the voltage of second battery bag
Under conditions of the voltage of Chi Bao, first diode of one-way conduction disconnects；
The electric motor car be in dead ship condition under conditions of, the switch unit specifically for：By gateway controller so that
The low-pressure system of first battery bag enters park mode, and second electricity is started in the electric motor car restarting procedure
The low-pressure system of the first battery bag described in the low-pressure system and No starting of Chi Bao, so as to only be supplied by second battery bag
Electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209199.4A CN106740206B (en) | 2015-02-09 | 2015-02-09 | Quick-changing method and system for battery pack of electric vehicle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510067192.2A CN104709104B (en) | 2015-02-09 | 2015-02-09 | Method and system for rapidly switching battery packs of electric vehicle |
| CN201611209199.4A CN106740206B (en) | 2015-02-09 | 2015-02-09 | Quick-changing method and system for battery pack of electric vehicle |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510067192.2A Division CN104709104B (en) | 2015-02-09 | 2015-02-09 | Method and system for rapidly switching battery packs of electric vehicle |
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| CN106740206A true CN106740206A (en) | 2017-05-31 |
| CN106740206B CN106740206B (en) | 2020-07-21 |
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| CN201510067192.2A Active CN104709104B (en) | 2015-02-09 | 2015-02-09 | Method and system for rapidly switching battery packs of electric vehicle |
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| CN108749617A (en) * | 2018-06-11 | 2018-11-06 | 浙江衡远新能源科技有限公司 | A kind of interchangeable electric battery control system of electric vehicle |
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| CN107472045A (en) * | 2016-12-22 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Battery bag and vehicle |
| CN107539151B (en) * | 2017-08-31 | 2021-01-29 | 西安特锐德智能充电科技有限公司 | Charging and battery-replacing integrated power battery system, working method and application |
| CN107444176B (en) * | 2017-08-31 | 2021-12-07 | 西安特锐德智能充电科技有限公司 | Charging and battery-replacing integrated power battery system, working method and application thereof |
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| CN108666638A (en) * | 2018-05-15 | 2018-10-16 | 东风裕隆汽车有限公司 | A kind of battery module and its Energy Management System and method |
| CN110077235B (en) * | 2019-04-30 | 2021-01-12 | 东风汽车集团有限公司 | Static and dynamic switching system and method for expanding power supply |
| CN113954691A (en) * | 2021-09-15 | 2022-01-21 | 阿里巴巴达摩院(杭州)科技有限公司 | Battery control method, device, computer equipment and computer readable storage medium |
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| CN102104274A (en) * | 2009-12-02 | 2011-06-22 | 技嘉科技股份有限公司 | Electronic device with battery parallel circuit |
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| CN104904092A (en) * | 2013-01-11 | 2015-09-09 | 约翰逊控制技术公司 | Energy storage control system and method |
| TW201446563A (en) * | 2013-04-30 | 2014-12-16 | Aleees Eco Ark Co Ltd | Power driving system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749617A (en) * | 2018-06-11 | 2018-11-06 | 浙江衡远新能源科技有限公司 | A kind of interchangeable electric battery control system of electric vehicle |
| US11731529B2 (en) | 2020-12-16 | 2023-08-22 | Contemporary Amperex Technology Co., Limited | Power supply apparatus, battery management system, power supply system, control method and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106740206B (en) | 2020-07-21 |
| CN104709104B (en) | 2017-02-01 |
| CN104709104A (en) | 2015-06-17 |
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