CN107919699A - Electric automobile and its battery pack - Google Patents
Electric automobile and its battery pack Download PDFInfo
- Publication number
- CN107919699A CN107919699A CN201711178327.8A CN201711178327A CN107919699A CN 107919699 A CN107919699 A CN 107919699A CN 201711178327 A CN201711178327 A CN 201711178327A CN 107919699 A CN107919699 A CN 107919699A
- Authority
- CN
- China
- Prior art keywords
- electronic switch
- battery
- unit
- switch
- battery pack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000178 monomer Substances 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000005669 field effect Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Classifications
-
- H02J7/0026—
-
- 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]
-
- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of battery pack, includes the unit battery module of multiple series connection, and each unit battery module includes single battery, first switch unit, detecting unit and second switch unit；First switch unit is connected to the both ends of single battery, for establishing or disconnecting the charge circuit of single battery；One end of detecting unit is connected with single battery, and the other end is connected with first switch unit；Second switch unit is connected between detecting unit and first switch unit；Detecting unit is used for the voltage for detecting single battery, and when the voltage of single battery is more than predeterminated voltage, the conducting of second switch unit cuts off the charge circuit of single battery to control first switch unit to disconnect.Battery pack provided by the present invention, no matter which kind of state single battery is in, as long as monomer battery voltage is excessive, you can cut-out charge circuit.The present invention also provides a kind of electric automobile.
Description
【Technical field】
The present invention relates to electric automobile field, more particularly to a kind of electric automobile and its battery pack.
【Background technology】
Existing electric automobile, to provide electric energy, and is managed battery pack by battery management system by battery pack.
Wherein, battery pack includes some series-parallel single batteries.Always just, always bearing usually after the completion of some single battery connection in series-parallel
Upper installation relay, the voltage of often string single battery is detected by battery management system, and works as the excessive time control of monomer battery voltage
Relay cut-out processed is to prevent from overcharging, however, this method only can just work when battery management system is in running order,
After electric automobile stops traveling and vehicle 24V power-offs, battery management system will be stopped, at this time, if some monomer
Inside battery or external short circuit, will cause more piece single battery to be charged to a batteries and cause the generation of security incident.
In addition, even battery pack is under charged state, i.e. battery management system is also at working status, if charge relay is sent out
Raw adhesion, even if battery management system sends cut-out instruction, the situation that single battery overcharges still can not avoid, and then bring peace
Full hidden danger.
In consideration of it, it is really necessary to provide a kind of new electric automobile and its battery pack to overcome drawbacks described above.
【The content of the invention】
The object of the present invention is to provide a kind of battery pack, even if battery management system is stopped or relay adhesion,
The battery pack also can prevent each single battery from overcharging.
To achieve these goals, the present invention provides a kind of battery pack, includes the unit battery module of multiple series connection, each
Unit battery module includes single battery, first switch unit, detecting unit and second switch unit；The first switch list
Member is connected to the both ends of the single battery, for establishing or disconnecting the charge circuit of the single battery；The detecting is single
One end of member is connected with the single battery, and the other end is connected with the first switch unit；The second switch unit connects
It is connected between the detecting unit and the first switch unit；The detecting unit is used for the electricity for detecting the single battery
Pressure, when the voltage of the single battery is more than predeterminated voltage, the second switch unit is turned on to control the first switch
Unit disconnects, and then cuts off the charge circuit of the single battery.
The present invention also provides a kind of electric automobile, including battery management system and battery pack as described above；The electricity
Pond management system is connected with the battery pack to be managed to the battery pack.
Battery pack provided by the invention and electric automobile, as long as the voltage of some single battery is more than predeterminated voltage
When, its corresponding second switch unit conducting, and then corresponding first switch unit cut-off is controlled to disconnect corresponding monomer electricity
The charge circuit in pond, and then play a protective role to single battery, since the circuit directly need not be outer by single battery power supply
Do not power, therefore, no matter which kind of state single battery is in, (charged state, operating status or inactive state) can be to it
Play a protective role, and each single battery can be protected.
【Brief description of the drawings】
Fig. 1 is the functional block diagram of electric automobile provided by the invention.
Fig. 2 is the functional block diagram of each unit battery module in Fig. 1.
Fig. 3 is the circuit diagram of each unit battery module in Fig. 2.
【Embodiment】
In order to make the purpose of the present invention, technical solution and advantageous effects become apparent from understanding, below in conjunction with attached drawing and
Embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
When an element was considered with another element " being connected ", it can be directly to another element or
It may be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to this hair
The normally understood implication of bright those skilled in the art is identical.Term used in the description of the invention herein
It is intended merely to the purpose of description specific embodiment, it is not intended that in the limitation present invention.
Referring to Fig. 1, it is the functional block diagram of electric automobile 90 disclosed by the embodiments of the present invention.The electric automobile 90 wraps
Include the battery pack 91 for providing power resources for electric automobile 90 and be connected and for the electricity with the battery pack 91
The battery management system 92 that pond bag 91 is managed.Further, the battery pack 91 includes the single battery mould of multiple series connection
Block 100, the first relay S1 and the second relay S2.It is appreciated that multiple unit battery modules 100 are composed in series battery
String, the battery pack 91 can include multiple battery strings according to specific design requirement.Wherein, the one of the first relay S1
Hold and be connected with the unit battery module 100 positioned at series circuit head end, and the other end is connected with the battery management system 92；Institute
The one end for stating the second relay S2 is connected with the unit battery module 100 positioned at series circuit end, and the other end and the electricity
Pond management system 92 is connected.When the battery management system 92 monitors that the voltage of some unit battery module 100 exceedes in advance
If during voltage, the battery management system 92 controls the first relay S1 and the second relay S2 to disconnect to cut off
State the charge circuit of the unit battery module 100 of multiple series connection.
Referring again to Fig. 2, it is the functional block diagram of each unit battery module 100.Each unit battery module 100 wraps
Include single battery 10, first switch unit 20, detecting unit 30 and second switch unit 40.Wherein, the first switch list
Member 20 is connected to the both ends of the single battery 10, for establishing or disconnecting the charge circuit of the single battery 10.
One end of the detecting unit 30 is connected with the single battery 10, and the other end and the first switch unit 20
It is connected.The second switch unit 40 is connected between the detecting unit 30 and the first switch unit 20.The detecting
Unit 30 is used for the voltage for detecting the single battery 10, described when the voltage of the single battery 10 is more than predeterminated voltage
Second switch unit 40 is turned on to control the first switch unit 20 to disconnect, and then the charging for cutting off the single battery 10 is returned
Road；When the voltage of the single battery 10 is not more than the predeterminated voltage constantly, the second switch unit 40 ends, and then controls
Make the first switch unit 20 to turn on to establish the charge circuit of the single battery 10, at this time, at the single battery 10
In normal condition.Wherein, normal condition includes inactive state, discharge condition and the charged state of single battery 10.It is described default
Voltage is the overcharged voltage of the single battery 10, it will be understood that the predeterminated voltage can be according to the single battery 10
Type and performance and specifically set.
Further, each unit battery module 100 further includes the first protection location 50 and the second protection location 60.It is described
First protection location 50 is connected with the first switch unit 20 to carry out voltage stabilizing and protection to the first switch unit 50.Institute
The second protection location 60 is stated with the second switch unit 40 to be connected to carry out voltage stabilizing and protection to the second switch unit 40.
Referring again to Fig. 3, it is the circuit diagram of each unit battery module 100.The single battery 10 is included just
Pole and anode.The first switch unit 20 includes the first electronic switch Q1, first resistor R1 and second resistance R2, and described first
The first end of electronic switch Q1 is connected with the anode of the single battery 10, second end is connected with the detecting unit 30, the 3rd
End passes sequentially through the first resistor R1 and the second resistance R2 is connected with the cathode of the single battery 10.Further,
Cathode of the second end of the first electronic switch Q1 also with adjacent single battery 10 is connected, so that multiple single batteries
10 are connected by the first electronic switch Q1.In addition, positioned at series circuit head end single battery 10 cathode also with described first
Relay S1 be connected and positioned at series circuit end the first electronic switch Q1 second end also with the second relay S2 phases
Even.In the present embodiment, first end, second end and the 3rd end of the first electronic switch Q1 corresponds to MOS effects of N-type respectively
Should pipe drain electrode, source electrode and grid.
The detecting unit 30 includes 3rd resistor R3 and the 4th resistance R4, one end and the list of the 3rd resistor R3
The cathode of body battery 10 is connected, and the other end passes through the second end phase of the 4th resistance R4 and the first electronic switch Q1
Even.
The second switch unit 40 includes the second electronic switch Q2 and the 5th resistance R5, the second electronic switch Q2's
First end is connected between the first resistor R1 and the second resistance R2, the of second end and the first electronic switch Q1
Two ends are connected, the 3rd end is connected between the 3rd resistor R3 and the 4th resistance R4 by the 5th resistance R5.
In present embodiment, first end, second end and the 3rd end of the second electronic switch Q2 correspond to N-type metal-oxide-semiconductor field effect transistor respectively
Drain electrode, source electrode and grid.Wherein, the threshold voltage of the first electronic switch Q1 leading more than the second electronic switch Q2
Logical pressure drop.
First protection location 50 includes the first capacitance C1, the 6th resistance R6 and the first voltage-stabiliser tube D1, first electricity
The one end for holding C1 is connected with the 3rd end of the first electronic switch Q1, and the other end and the second of the first electronic switch Q1
End is connected；One end of the 6th resistance R6 is connected with the 3rd end of the first electronic switch Q1, and the other end and described the
The second end of one electronic switch Q1 is connected；3rd end phase of the cathode of the first voltage-stabiliser tube D1 and the first electronic switch Q1
Even, anode is connected with the second end of the first electronic switch Q1.
Second protection location 60 includes the second capacitance C2, the 7th resistance R7 and the second voltage-stabiliser tube D2, second electricity
The one end for holding C2 is connected with the 3rd end of the second electronic switch Q2, and the other end and the second of the second electronic switch Q2
End is connected；One end of the 7th resistance R7 is connected with the 3rd end of the second electronic switch Q2, and the other end and described the
The second end of two electronic switch Q2 is connected；3rd end phase of the cathode of the second voltage-stabiliser tube D2 and the second electronic switch Q2
Even, anode is connected with the second end of the second electronic switch Q2.
The operation principle of each unit battery module 100 is as follows：
When the voltage of the single battery 10 is less than predeterminated voltage, the driving voltage (of the second electronic switch Q2
The partial pressure of four resistance R4 is smaller) it is less than threshold voltage (conducting voltage), at this time, the second electronic switch Q2 is in cut-off shape
State, and the driving voltage (equivalent to the voltage of single battery 10) of the first electronic switch Q1 is more than threshold voltage at this time, because
This, the first electronic switch Q1 is in the conduction state, and at this time, each single battery 10 is at normal condition and series circuit
In channel status.When the voltage of some single battery 10 is more than predeterminated voltage, the partial pressure of its corresponding 4th resistance R4 is big
In the threshold voltage of the second electronic switch Q2, the second electronic switch Q2 conductings, and then cause first electronic cutting
The driving voltage (conduction voltage drop of the second electronic switch Q2) for closing Q1 is less than the threshold voltage of the first electronic switch Q1,
Therefore, the first electronic switch Q1 is in cut-off state, i.e. series circuit is in off state, so as to be disconnected corresponding
The charge circuit of single battery 10 to single battery 10 to play protective effect.It is appreciated that the resistance of the 3rd resistor R3
Value is significantly larger than the resistance value of the 4th resistance R4, for example, when single battery 10 is ferric phosphate lithium cell, battery discharge cut-off
Voltage is between 2.0V~2.5V, and between 3.33~3.37V, charging current multiplying power within room temperature 1C, is moved full electricity quiescent voltage
State is full of piezoelectric voltage in 3.65V or so, and cell voltage, therefore, can be in electricity usually in more than 4.2V when overcharging unlatching for battery
Cell voltage is in [3.65V, 4.0V] section and is protected from over-charging of battery in advance.At this time, if first electronic switch
The forward voltage drop of Q1 is less than 0.3V, threshold voltage 1V；The forward voltage drop of the second electronic switch Q2 is less than 0.3V, threshold value electricity
Press as 0.7V；The resistance value of the 3rd resistor R3 is 22K Ω and the resistance value of the 4th resistance R4 is 5.2K Ω；Second resistance R2
Resistance value can meet the requirements for 10K Ω.It is appreciated that the resistance and not of different resistance values can be selected according to specific require
The electronic switch of same parameter is to reach design requirement.
The battery pack 91 of offer of the present invention, when battery management system 92 is stopped, or first relay
When S1 and the second relay S2 stick together, as long as the voltage of some single battery 10 is more than predeterminated voltage, its is right
The second switch unit 40 answered turns on, and then controls corresponding first switch unit 20 to end to disconnect corresponding single battery 10
Charge circuit, and then play a protective role to single battery 10, directly being powered due to the circuit by single battery 10 need not
Do not power outside, therefore, no matter which kind of state single battery 10 is in, (charged state, operating status or inactive state) can
Play a protective role to it, and each single battery 10 can be protected.Further, detected and sampled by detecting unit 30
After directly control first switch unit 20 and disconnect, circuit reaction speed is fast.
The present invention is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
Additional advantage and modification is easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of refreshing and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (10)
- A kind of 1. battery pack；It is characterized in that：Include the unit battery module of multiple series connection, each unit battery module includes single Body battery, first switch unit, detecting unit and second switch unit；The first switch unit is connected to the monomer electricity The both ends in pond, for establishing or disconnecting the charge circuit of the single battery；One end of the detecting unit and the monomer Battery is connected, and the other end is connected with the first switch unit；The second switch unit be connected to the detecting unit with Between the first switch unit；The detecting unit is used for the voltage for detecting the single battery, when the single battery When voltage is more than predeterminated voltage, the second switch unit conducting cuts off institute to control the first switch unit to disconnect State the charge circuit of single battery.
- 2. battery pack as claimed in claim 1, it is characterised in that：The single battery includes positive electrode and negative electrode；Described first Switch element includes the first electronic switch, first resistor and second resistance, first end and the list of first electronic switch The anode of body battery is connected, the second end of first electronic switch is connected with the detecting unit, first electronic switch The 3rd end pass sequentially through the first resistor and the second resistance is connected with the cathode of the single battery.
- 3. battery pack as claimed in claim 2, it is characterised in that：The battery pack further includes the first relay and the second relay Device；The second end of first electronic switch is also connected with the cathode of adjacent single battery so that multiple single batteries pass through Corresponding first electronic switch series connection；Cathode positioned at the single battery of series circuit head end is also connected with first relay And the second end of the first electronic switch positioned at series circuit end is also connected with second relay.
- 4. battery pack as claimed in claim 2, it is characterised in that：The detecting unit includes 3rd resistor and the 4th resistance, One end of the 3rd resistor is connected with the cathode of the single battery, and the other end passes through the 4th resistance and described first The second end of electronic switch is connected.
- 5. battery pack as claimed in claim 4, it is characterised in that：The second switch unit includes the second electronic switch and the Five resistance, the first end of second electronic switch is connected between the first resistor and the second resistance, described second The second end of electronic switch is connected with the second end of first electronic switch, the 3rd end of second electronic switch passes through institute The 5th resistance is stated to be connected between the 3rd resistor and the 4th resistance.
- 6. battery pack as claimed in claim 5, it is characterised in that：First end, the second end and of first electronic switch Three ends correspond to drain electrode, source electrode and the grid of N-type metal-oxide-semiconductor field effect transistor respectively；The first end of second electronic switch, second end and 3rd end corresponds to drain electrode, source electrode and the grid of N-type metal-oxide-semiconductor field effect transistor respectively.
- 7. battery pack as claimed in claim 5, it is characterised in that：The battery pack further includes the first protection location and the second guarantor Protect unit；First protection location is connected with the first switch unit to carry out voltage stabilizing and guarantor to the first switch unit Shield；Second protection location is connected with the second switch unit to carry out voltage stabilizing and protection to the second switch unit.
- 8. battery pack as claimed in claim 7, it is characterised in that：First protection location includes the first capacitance, the 6th electricity Resistance and the first voltage-stabiliser tube, one end of first capacitance are connected with the 3rd end of first electronic switch, and the other end and institute The second end for stating the first electronic switch is connected；One end of 6th resistance is connected with the 3rd end of first electronic switch, And the other end is connected with the second end of first electronic switch；The cathode of first voltage-stabiliser tube and first electronic switch The 3rd end be connected, and anode is connected with the second end of first electronic switch.
- 9. battery pack as claimed in claim 7, it is characterised in that：Second protection location includes the second capacitance, the 7th electricity Resistance and the second voltage-stabiliser tube, one end of second capacitance are connected with the 3rd end of second electronic switch, and the other end and institute The second end for stating the second electronic switch is connected；One end of 7th resistance is connected with the 3rd end of second electronic switch, And the other end is connected with the second end of second electronic switch；The cathode of second voltage-stabiliser tube and second electronic switch The 3rd end be connected, and anode is connected with the second end of second electronic switch.
- 10. a kind of electric automobile, including battery management system；It is characterized in that：The electric automobile is further included such as claim Battery pack any one of 1-9；The battery management system is connected with the battery pack to carry out pipe to the battery pack Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178327.8A CN107919699A (en) | 2017-11-23 | 2017-11-23 | Electric automobile and its battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178327.8A CN107919699A (en) | 2017-11-23 | 2017-11-23 | Electric automobile and its battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107919699A true CN107919699A (en) | 2018-04-17 |
Family
ID=61897725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711178327.8A Pending CN107919699A (en) | 2017-11-23 | 2017-11-23 | Electric automobile and its battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107919699A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398153A (en) * | 2018-11-15 | 2019-03-01 | 重庆工业职业技术学院 | The control device and control method of battery capacity |
| CN110103771A (en) * | 2019-05-06 | 2019-08-09 | 奇瑞汽车股份有限公司 | A kind of electric automobile and vehicle-mounted charger hardware and software platform control method |
| WO2020020378A1 (en) * | 2018-07-27 | 2020-01-30 | 苏州宝时得电动工具有限公司 | Charger |
| CN114035108A (en) * | 2021-10-25 | 2022-02-11 | 深圳市道通科技股份有限公司 | Electric leakage diagnosis device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6265846B1 (en) * | 2000-10-03 | 2001-07-24 | International Business Machines Corporation | Active bypass circuit for extending energy capacity and operational life of a multi-cell battery |
| CN1536730A (en) * | 2003-04-04 | 2004-10-13 | 京东方科技集团股份有限公司 | Chargeable cell unit whose connection state can be controlled and assembled battery |
| CN103311899A (en) * | 2013-06-17 | 2013-09-18 | 李光兴 | Self-protection method and circuit for power lithium-ion battery pack |
-
2017
- 2017-11-23 CN CN201711178327.8A patent/CN107919699A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6265846B1 (en) * | 2000-10-03 | 2001-07-24 | International Business Machines Corporation | Active bypass circuit for extending energy capacity and operational life of a multi-cell battery |
| CN1536730A (en) * | 2003-04-04 | 2004-10-13 | 京东方科技集团股份有限公司 | Chargeable cell unit whose connection state can be controlled and assembled battery |
| CN103311899A (en) * | 2013-06-17 | 2013-09-18 | 李光兴 | Self-protection method and circuit for power lithium-ion battery pack |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020020378A1 (en) * | 2018-07-27 | 2020-01-30 | 苏州宝时得电动工具有限公司 | Charger |
| CN111316532A (en) * | 2018-07-27 | 2020-06-19 | 苏州宝时得电动工具有限公司 | Charging device |
| CN111316532B (en) * | 2018-07-27 | 2022-08-12 | 苏州宝时得电动工具有限公司 | Charging device |
| CN109398153A (en) * | 2018-11-15 | 2019-03-01 | 重庆工业职业技术学院 | The control device and control method of battery capacity |
| CN110103771A (en) * | 2019-05-06 | 2019-08-09 | 奇瑞汽车股份有限公司 | A kind of electric automobile and vehicle-mounted charger hardware and software platform control method |
| CN110103771B (en) * | 2019-05-06 | 2021-11-30 | 奇瑞汽车股份有限公司 | Platformization control method for vehicle-mounted charger of electric vehicle |
| CN114035108A (en) * | 2021-10-25 | 2022-02-11 | 深圳市道通科技股份有限公司 | Electric leakage diagnosis device and method |
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