CN107658919A - A kind of battery pack parallel circuit - Google Patents
A kind of battery pack parallel circuit Download PDFInfo
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- CN107658919A CN107658919A CN201710800001.8A CN201710800001A CN107658919A CN 107658919 A CN107658919 A CN 107658919A CN 201710800001 A CN201710800001 A CN 201710800001A CN 107658919 A CN107658919 A CN 107658919A
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- 239000004065 semiconductor Substances 0.000 claims abstract description 107
- 238000007600 charging Methods 0.000 claims abstract description 86
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000005070 sampling Methods 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
Classifications
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
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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
-
- 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
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- H02J7/0026—
-
- 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
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a kind of battery pack parallel circuit, including multiple battery modules in parallel, battery modules include battery, charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module and control module；First metal-oxide-semiconductor control output end of described control module is connected with charging metal-oxide-semiconductor, and the second metal-oxide-semiconductor control output end of control module is connected with electric discharge metal-oxide-semiconductor；In charging process, when control module detects the charging current by current detection module, electric discharge metal-oxide-semiconductor is placed in opening by control module, and when control module detects that the voltage of battery reaches overdischarge thresholding, charging metal-oxide-semiconductor is placed in off by control module.The present invention is by controlling charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor opening and closing to solve the problems, such as that multiple different type voltage grade battery modules are parallel with one another and can cause mutual discharge and recharge, and for convenient real now all of battery modules in a bus bar circuit in parallel, each battery modules realize the total recycle process of discharge and recharge.
Description
Technical field
The present invention relates to a kind of battery pack parallel circuit, particularly a kind of battery for solving the problems, such as the mutual discharge and recharge of battery pack
Group parallel circuit.
Background technology
With flourishing for electronic technology, medium-sized, large-sized battery pack dosage is increasing.And in these battery packs
Production, test are with that during use, will use many charging and discharging processes.
Existing charging equipment or discharge equipment have the following disadvantages：
1st, battery pack needs to use the battery modules of same model to carry out used in parallel, i.e., battery pack in parallel requires each battery
Voltage is identical, it is impossible to which complete different type, the battery modules of voltage class are carried out into input and output in parallel.Because in battery pack
In, what the difference between monomer was constantly present, by taking capacity as an example, its otherness never tends to disappear, but progressively deteriorate.
Same electric current is flowed through in battery pack, comparatively, the big person of capacity is always at shallow fill of low current and shallow put, tends to capacity attenuation and delay
Slowly, life, and the small person of capacity be always at high current super-charge super-discharge, tend to capacity attenuation accelerate, the lost of life, both it
Between performance parameter differences it is increasing, formed positive feedback characteristic, low capacity premature failure, organize the lost of life.
2nd, the discharge and recharge step of battery pack is unable to reach the function of complete alternation so that the using trouble of battery pack.
The content of the invention
It is easy to operation the technical problem to be solved in the present invention is to provide a kind of simple and easy, it is highly reliable, solve multiple
The battery pack parallel circuit of mutual discharge and recharge problem between battery pack.
The technical solution adopted by the present invention is as follows：A kind of battery pack parallel circuit, including multiple battery modules in parallel, institute
The battery modules stated use positive and negative both threads input and output；Described battery modules include battery, charging metal-oxide-semiconductor, electric discharge MOS
Pipe, current detection module and control module, described charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module and battery series connection and
Into；The voltage sample input of described control module is connected with battery, and current sample input and the electric current of control module are examined
Module connection is surveyed, the first metal-oxide-semiconductor control output end of control module is connected with charging metal-oxide-semiconductor, the second metal-oxide-semiconductor control of control module
Output end processed is connected with electric discharge metal-oxide-semiconductor；
In charging process, when control module detects the charging current by current detection module, control module will discharge
Metal-oxide-semiconductor is placed in opening, and when control module detects that the voltage of battery reaches overdischarge thresholding, control module will charge MOS
Pipe is placed in off；
Specifically charging method step is：
S21：Before charging process, all charging metal-oxide-semiconductors are in opening, and all electric discharge metal-oxide-semiconductors, which are in, closes shape
State, all battery modules are all together in parallel by the diode in the charging direction allowed inside the metal-oxide-semiconductor that discharges；
S22：Start to charge up, due to the relation of voltage competition, charging current initially enters the minimum battery modules of voltage；Control mould
Block also samples to being sampled by the electric current of current detection module to the voltage of battery：
（1）When control module detects the charging current by current detection module, electric discharge metal-oxide-semiconductor is placed in out by control module
State is opened, will battery modules addition charging sequence in parallel；Until all electric discharge metal-oxide-semiconductors are in opening, realize
All battery modules in parallel chargings；
（2）When control module detects that the voltage of battery reaches overcharge thresholding, charging metal-oxide-semiconductor is placed in closing shape by control module
State, charging metal-oxide-semiconductor now play not overcharge；Until all charging metal-oxide-semiconductors are closed, represent all
Battery modules bulk charge is completed；
After charging complete, electric discharge metal-oxide-semiconductor is in opening, and charging metal-oxide-semiconductor is closed, with battery discharge step institute
The charging metal-oxide-semiconductor needed is identical with the original state for the metal-oxide-semiconductor that discharges.
Methods described also includes, in discharge process, when control module detects the electric discharge by current detection module
Electric current, charging metal-oxide-semiconductor is placed in opening by control module, when control module detects that the voltage of battery reaches overdischarge door
Electric discharge metal-oxide-semiconductor is placed in off by limit, control module.
Specifically charging method step is：
S11：Before discharge process, all charging metal-oxide-semiconductors are closed, and all electric discharge metal-oxide-semiconductors are in opening state
State, all battery modules pass through the diodes in parallel of the course of discharge allowed inside the metal-oxide-semiconductor that charges；
S12：Start to discharge, due to the relation of voltage competition, voltage highest battery modules are discharged at first；Control module
To being sampled by the electric current of current detection module, also the voltage of battery is sampled：
（1）When control module detects the discharge current by current detection module, charging metal-oxide-semiconductor is placed in by control module
Opening, will the battery modules add the sequence in parallel of discharging, the metal-oxide-semiconductor that avoids charging bears discharge current；Until all
Charging metal-oxide-semiconductor is in opening, realizes all battery modules in parallel electric discharges；
（2）When control module detects that the voltage of battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in closing by control module
State, electric discharge metal-oxide-semiconductor now play not overdischarge；Until all electric discharge metal-oxide-semiconductors are closed, expression is all
Battery modules discharge completion；
After the completion of electric discharge, charging metal-oxide-semiconductor is in opening, and electric discharge metal-oxide-semiconductor is closed, with charge battery step institute
The charging metal-oxide-semiconductor needed is identical with the original state for the metal-oxide-semiconductor that discharges.
Described current detection module includes current sense resistor RSC.
Described battery modules are identical or different type voltage class battery modules.
Also circuit and temp control switch are used including temperature；Temp control switch and the battery series connection；Described temperature
Degree sample circuit samples to the temperature of battery modules；The temperature sampling input and temperature sampling circuit of the control module
Connection, the temperature detect switch (TDS) output end of control module are connected with temp control switch.
Described temperature sampling circuit is arranged in the battery core of battery.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）The present invention passes through on the basis of not overcharging and only putting and controls charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor method for opening and closing to solve
Multiple battery modules the problem of causing mutual discharge and recharge parallel with one another, the even electricity of different type voltage grade completely
The parallel connection of pond module.
（2）The present invention is conveniently used for real now all of battery modules in a bus bar circuit in parallel, output
In the case of having positive and negative both threads, the total recycle process of charge and discharge can be achieved in each battery modules：It is complete in charge step
The open and-shut mode of charging metal-oxide-semiconductor and the metal-oxide-semiconductor that discharges after is identical with the original state of discharge step, similarly complete in discharge step
The open and-shut mode of charging metal-oxide-semiconductor and the metal-oxide-semiconductor that discharges after is identical with the original state of charge step.
（3）Present invention additionally comprises the temperature sampling circuit and temp control switch for protecting battery modules, in battery mould
The temperature of group disconnects the battery modules when higher, has security.
（4）The present invention is simple and easy, easy to operation, highly reliable.
Brief description of the drawings
Fig. 1 is battery pack structure block diagram；
Fig. 2 is battery modules circuit diagram；
Fig. 3 completes equivalent circuit diagram for electric discharge；
Fig. 4 is charging complete equivalent circuit diagram；
Fig. 5 is the method flow diagram that the present invention is applied to complete alternation discharge and recharge.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
This specification（Including summary and accompanying drawing）Disclosed in any feature, unless specifically stated otherwise, can be equivalent by other
Or the alternative features with similar purpose are replaced.I.e., unless specifically stated otherwise, each feature is a series of equivalent or class
Like an example in feature.
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
Specific embodiment 1
A kind of battery pack parallel circuit, as shown in figure 1, including multiple battery modules in parallel, described battery modules are using just
Negative both threads input and output；As shown in Fig. 2 described battery modules include battery, charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, electric current inspection
Module and control module are surveyed, described charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module and battery are in series；Described
The voltage sample input of control module is connected with battery, and current sample input and the current detection module of control module connect
Connect, the first metal-oxide-semiconductor control output end of control module is connected with charging metal-oxide-semiconductor, the second metal-oxide-semiconductor control output end of control module
It is connected with electric discharge metal-oxide-semiconductor；
In charging process, when control module detects the charging current by current detection module, control module will discharge
Metal-oxide-semiconductor is placed in opening, and when control module detects that the voltage of battery reaches overdischarge thresholding, control module will charge MOS
Pipe is placed in off；
Specifically charging method step is：
S21：Before charging process, all charging metal-oxide-semiconductors are in opening, and all electric discharge metal-oxide-semiconductors, which are in, closes shape
State, all battery modules are all together in parallel by the diode in the charging direction allowed inside the metal-oxide-semiconductor that discharges；
S22：Start to charge up, due to the relation of voltage competition, charging current initially enters the minimum battery modules of voltage；Control mould
Block also samples to being sampled by the electric current of current detection module to the voltage of battery：
（1）When control module detects the charging current by current detection module, electric discharge metal-oxide-semiconductor is placed in out by control module
State is opened, will battery modules addition charging sequence in parallel；Until all electric discharge metal-oxide-semiconductors are in opening, realize
All battery modules in parallel chargings；
（2）When control module detects that the voltage of battery reaches overcharge thresholding, charging metal-oxide-semiconductor is placed in closing shape by control module
State, charging metal-oxide-semiconductor now play not overcharge；Until all charging metal-oxide-semiconductors are closed, represent all
Battery modules bulk charge is completed；Equivalent circuit diagram is as shown in Figure 4.
After charging complete, electric discharge metal-oxide-semiconductor is in opening, and charging metal-oxide-semiconductor is closed, walked with battery discharge
Charging metal-oxide-semiconductor required for rapid is identical with the original state for the metal-oxide-semiconductor that discharges.
Specific embodiment 2
On the basis of specific embodiment 1, methods described also includes, in discharge process, when control module detected by
The discharge current of current detection module, charging metal-oxide-semiconductor is placed in opening by control module, when control module detects battery
Voltage reaches overdischarge thresholding, and electric discharge metal-oxide-semiconductor is placed in off by control module.
Specifically charging method step is：
S11：Before discharge process, all charging metal-oxide-semiconductors are closed, and all electric discharge metal-oxide-semiconductors are in opening state
State, all battery modules pass through the diodes in parallel of the course of discharge allowed inside the metal-oxide-semiconductor that charges；
S12：Start to discharge, due to the relation of voltage competition, voltage highest battery modules are discharged at first；Control module
To being sampled by the electric current of current detection module, also the voltage of battery is sampled：
（1）When control module detects the discharge current by current detection module, charging metal-oxide-semiconductor is placed in by control module
Opening, will the battery modules add the sequence in parallel of discharging, the metal-oxide-semiconductor that avoids charging bears discharge current；Until all
Charging metal-oxide-semiconductor is in opening, realizes all battery modules in parallel electric discharges；
（2）When control module detects that the voltage of battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in closing by control module
State, electric discharge metal-oxide-semiconductor now play not overdischarge；Until all electric discharge metal-oxide-semiconductors are closed, expression is all
Battery modules discharge completion；Equivalent circuit diagram is as shown in Figure 3.
After the completion of electric discharge, charging metal-oxide-semiconductor is in opening, and electric discharge metal-oxide-semiconductor is closed, charges and walk with battery
Charging metal-oxide-semiconductor required for rapid is identical with the original state for the metal-oxide-semiconductor that discharges.
Therefore discharge and recharge complete alternation can be realized, as shown in Figure 5.
Specific embodiment 3
On the basis of one of specific embodiment 1 to 2, described current detection module includes a current sense resistor RSC.
Specific embodiment 4
On the basis of one of specific embodiment 1 to 3, described battery modules are identical or different type voltage class electricity
Pond module.
Specific embodiment 5
On the basis of one of specific embodiment 1 to 4, in addition to temperature uses circuit and temp control switch；The temperature control
System switch and battery series connection；Described temperature sampling circuit samples to the temperature of battery modules；The temperature of the control module
Degree sampling input is connected with temperature sampling circuit, and the temperature detect switch (TDS) output end of control module is connected with temp control switch.
During charging and discharging, once higher, control module control temp control switch disconnects the temperature of some control module, right
The battery modules are protected.
Specific embodiment 6
On the basis of specific embodiment 5, described temperature sampling circuit is arranged in the battery core of battery.
Claims (5)
- A kind of 1. battery pack parallel circuit, it is characterised in that：Including multiple battery modules in parallel, described battery modules use Positive and negative both threads input and output；Described battery modules include battery, charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module and Control module, described charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module and battery are in series；Described control module Voltage sample input be connected with battery, the current sample input of control module is connected with current detection module, control mould First metal-oxide-semiconductor control output end of block is connected with charging metal-oxide-semiconductor, the second metal-oxide-semiconductor control output end and the electric discharge MOS of control module Pipe connects；In charging process, when control module detects the charging current by current detection module, control module will discharge Metal-oxide-semiconductor is placed in opening, and when control module detects that the voltage of battery reaches overdischarge thresholding, control module will charge MOS Pipe is placed in off；Specifically charging method step is：S21：Before charging process, all charging metal-oxide-semiconductors are in opening, and all electric discharge metal-oxide-semiconductors, which are in, closes shape State, all battery modules are all together in parallel by the diode in the charging direction allowed inside the metal-oxide-semiconductor that discharges；S22：Start to charge up, due to the relation of voltage competition, charging current initially enters the minimum battery modules of voltage；Control mould Block also samples to being sampled by the electric current of current detection module to the voltage of battery：（1）When control module detects the charging current by current detection module, electric discharge metal-oxide-semiconductor is placed in out by control module State is opened, will battery modules addition charging sequence in parallel；Until all electric discharge metal-oxide-semiconductors are in opening, realize All battery modules in parallel chargings；（2）When control module detects that the voltage of battery reaches overcharge thresholding, charging metal-oxide-semiconductor is placed in closing shape by control module State, charging metal-oxide-semiconductor now play not overcharge；Until all charging metal-oxide-semiconductors are closed, represent all Battery modules bulk charge is completed；After charging complete, electric discharge metal-oxide-semiconductor is in opening, and charging metal-oxide-semiconductor is closed, with battery discharge step institute The charging metal-oxide-semiconductor needed is identical with the original state for the metal-oxide-semiconductor that discharges.
- A kind of 2. battery pack parallel circuit according to claim 1, it is characterised in that：Described current detection module includes Current sense resistor RSC.
- A kind of 3. battery pack parallel circuit according to claim 1, it is characterised in that：Described battery modules to be identical or The battery modules of person's different type voltage class.
- A kind of 4. battery pack parallel circuit according to claim 1, it is characterised in that：Also circuit and temperature are used including temperature Spend controlling switch；Temp control switch and the battery series connection；Described temperature sampling circuit is carried out to the temperature of battery modules Sampling；The temperature sampling input of the control module is connected with temperature sampling circuit, the temperature detect switch (TDS) output end of control module It is connected with temp control switch.
- A kind of 5. battery pack parallel circuit according to claim 4, it is characterised in that：Described temperature sampling circuit is set In in the battery core of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800001.8A CN107658919A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800001.8A CN107658919A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| CN201510482119.1A CN105048578B (en) | 2015-08-03 | 2015-08-03 | It is a kind of to solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510482119.1A Division CN105048578B (en) | 2015-08-03 | 2015-08-03 | It is a kind of to solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge |
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| CN107658919A true CN107658919A (en) | 2018-02-02 |
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| CN201510482119.1A Active CN105048578B (en) | 2015-08-03 | 2015-08-03 | It is a kind of to solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge |
| CN201710799991.8A Withdrawn CN107706963A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| CN201710800001.8A Pending CN107658919A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
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| CN201510482119.1A Active CN105048578B (en) | 2015-08-03 | 2015-08-03 | It is a kind of to solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge |
| CN201710799991.8A Withdrawn CN107706963A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489117A (en) * | 2021-09-06 | 2021-10-08 | 成都宇能通能源开发有限公司 | Battery management system with hybrid switching devices capable of being expanded in parallel |
| CN113690982A (en) * | 2021-08-26 | 2021-11-23 | 成都振中电气集团有限公司 | Inter-cluster voltage balancing device based on half-bridge Buck principle |
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| CN104247198A (en) * | 2013-03-29 | 2014-12-24 | 三洋电机株式会社 | Power supply system and charging and discharging control method for power supply system |
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| CN102761149B (en) * | 2011-04-29 | 2014-07-30 | 新普科技股份有限公司 | Battery balancing circuit and method and battery module activation method |
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- 2015-08-03 CN CN201710799991.8A patent/CN107706963A/en not_active Withdrawn
- 2015-08-03 CN CN201710800001.8A patent/CN107658919A/en active Pending
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| CN1372364A (en) * | 2001-02-20 | 2002-10-02 | 精工电子有限公司 | Controller for electricity recharge/discharge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690982A (en) * | 2021-08-26 | 2021-11-23 | 成都振中电气集团有限公司 | Inter-cluster voltage balancing device based on half-bridge Buck principle |
| CN113690982B (en) * | 2021-08-26 | 2024-05-28 | 成都振中电气集团有限公司 | Inter-cluster voltage balancing device based on half-bridge Buck principle |
| CN113489117A (en) * | 2021-09-06 | 2021-10-08 | 成都宇能通能源开发有限公司 | Battery management system with hybrid switching devices capable of being expanded in parallel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105048578B (en) | 2017-12-01 |
| CN107706963A (en) | 2018-02-16 |
| CN105048578A (en) | 2015-11-11 |
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Application publication date: 20180202 |