CN108551182A - A kind of charging equalization apparatus - Google Patents
A kind of charging equalization apparatus Download PDFInfo
- Publication number
- CN108551182A CN108551182A CN201810249551.XA CN201810249551A CN108551182A CN 108551182 A CN108551182 A CN 108551182A CN 201810249551 A CN201810249551 A CN 201810249551A CN 108551182 A CN108551182 A CN 108551182A
- Authority
- CN
- China
- Prior art keywords
- battery
- control circuit
- single battery
- battery pack
- charging
- 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
- 238000007600 charging Methods 0.000 title claims abstract description 39
- 239000000178 monomer Substances 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 13
- 239000000654 additive Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
-
- 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
- B60L58/22—Balancing the charge of battery modules
-
- 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)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charging equalization apparatus, the charge equalizer on each single battery of battery pack is arranged by several to form, each charge equalizer is made of discharge resistance and control circuit, the control circuit is provided with final voltage value to control the break-make of single battery and discharge resistance circuit in the control circuit.A kind of charging equalization apparatus of the present invention, by on each single battery of battery pack and connecing a charge equalizer being made of discharge resistance and control circuit, when monomer battery voltage is close to the protection voltage value for reaching battery pack BMS battery systems, control circuit acts, the circuit for connecting the single battery and discharge resistance discharges, continue to charge to other single batteries that BMS battery system additives for overcharge protection voltage values have not yet been reached, so, more monomer battery voltages will be will appear and reach protection voltage value, the voltage for reaching each single battery unanimously reaches balanced purpose.
Description
【Technical field】
The present invention relates to the technical field of battery, more particularly to a kind of charging equalization apparatus.
【Background technology】
General vehicle power supply substantially maintains electricity condition, and battery pack still has more electricity when charging, using electric discharge
Balanced method will waste the time of many electricity and waiting.And battery pack can all connect BMS battery systems in charging,
BMS battery system customs are referred to as battery nurse or battery house keeper, mainly aim at intelligent management and safeguard each battery list
Member prevents battery from overcharge and overdischarge occur, extends the service life of battery, monitors the state of battery.In general, in battery pack
Any one monomer battery voltage reach BMS monomers protection voltage value when, the BMS battery systems of battery pack will be acted and be terminated
Charging, will result in charger cannot charge to other single batteries that BMS additives for overcharge protection voltages have not yet been reached, with regard to nothing
Method reaches the requirement of charge balancing, will also result in large effect to the performance of battery pack.
【Invention content】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of charging equalization apparatus is provided, is intended to solve
The inconsistent technical problem of voltage after certainly battery pack charges in the prior art.
To achieve the above object, the present invention proposes a kind of charging equalization apparatus, each in battery pack by several settings
Charge equalizer composition on single battery, each charge equalizer is made of discharge resistance and control circuit, described
Control circuit be provided with to control the break-make of single battery and discharge resistance circuit, and in the control circuit termination electricity
Pressure value.
Preferably, the quantity of the charge equalizer is identical as the quantity of single battery, several chargings are equal
Weighing apparatus is corresponded and is connected in parallel with the single battery in battery pack.
Preferably, the discharge resistance and control circuit on each charge equalizer are connected in series with.
Preferably, final voltage value set in the control circuit is slightly less than BMS batteries in the battery pack
The protection voltage value of system, when the voltage of single battery reaches final voltage, the control circuit which is connected is dynamic
Make, the circuit for connecting the single battery and discharge resistance discharges, and control circuit controls the electric discharge electricity of the single battery
Stream is consistent with the charging current of the single battery.
Preferably, the single battery in the battery pack is connected in series with.
Beneficial effects of the present invention：Compared with prior art, a kind of charging equalization apparatus provided by the invention, structure are closed
Reason is charged by each single battery of battery pack and connecing a charge equalizer being made of discharge resistance and control circuit
When, charging current is adjusted on original charging unit to certain numerical value, the numerical value is substantially electric with the electric discharge of charge equalizer
Flow valuve is consistent, if charging unit can not be adjusted, can be used dedicated trickle charger, the charging current of the charger and fills
The discharge current of electrical equalization device is consistent, when the close protection voltage value for reaching battery pack BMS battery systems of monomer battery voltage
When, control circuit action, the circuit for connecting the single battery and discharge resistance discharges, and discharge current and charging current
Unanimously, charger still charges normal battery pack at this time, but the single battery has reached charge protection due to its voltage
Voltage, the electricity being charged into and the electricity released offset, that is to say, that the single battery in the case where filling with electricity no longer to
The single battery charges, and the BMS battery systems of battery pack will not act and terminate charging, and charger continues to having not yet been reached
Other single batteries of BMS battery system additives for overcharge protection voltage values charge, in this way, will will appear more monomer battery voltages
Reach protection voltage value, when charging reaches after a certain period of time, every each single battery in battery pack entirely reaches BMS battery systems
The additives for overcharge protection voltage of setting, the voltage of each single battery is consistent and reach balanced purpose at this time.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of structural schematic diagram of charging equalization apparatus of the embodiment of the present invention.
In figure：1- battery packs, 11- single batteries, 2- charge equalizers, 21- discharge resistances, 22- control circuits.
【Specific implementation mode】
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The range being not intended to restrict the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to fig. 1, the embodiment of the present invention provides a kind of charging equalization apparatus, each single in battery pack 1 by several settings
Charge equalizer 2 on body battery 11 forms, and each charge equalizer 2 is by 22 groups of discharge resistance 21 and control circuit
At, the control circuit 22 controlling the break-make of single battery 11 and 21 circuit of discharge resistance, and the control circuit
Final voltage value is provided on 22.
Further, the quantity of the charge equalizer 2 is identical as the quantity of single battery 11, several chargings
Balanced device 2 is corresponded and is connected in parallel with the single battery 11 in battery pack 1, on each charge equalizer 2
Discharge resistance 21 and control circuit 22 are connected in series with, and each control circuit 22 also passes through a voltage sample line and connected monomer
Battery 11 connects, to detect the voltage on the single battery 11 in real time.
Further, final voltage value set in the control circuit 22 is slightly less than BMS electricity in the battery pack 1
The protection voltage value of cell system, when the voltage of single battery 11 reaches final voltage, control which is connected
Circuit 22 acts, and the circuit for connecting the single battery 11 and discharge resistance 21 discharges, and control circuit 22 controls the list
The discharge current of body battery 11 is consistent with the charging current of the single battery 11.
Further, the single battery 11 in the battery pack 1 is connected in series with.
A kind of charging equalization apparatus of the present invention, by 1 each single battery 11 of battery pack and connecing one by discharge resistance
21 and the charge equalizer 2 that forms of control circuit 22, when charging, charging current is adjusted on original charging unit to certain
Numerical value, the numerical value is substantially consistent with the discharge current value of charge equalizer 2, if charging unit can not be adjusted, can be used special
Trickle charger, the charging current of the charger is consistent with the discharge current of charge equalizer 2, when control circuit 22 detect
When to 11 voltage of single battery close to the protection voltage value for reaching battery pack BMS battery systems, control circuit 22 acts, and connects
The circuit of the single battery 11 and discharge resistance 21 discharges, and discharge current is consistent with charging current, at this time charger
Still battery pack 1 is charged normal, but the single battery 11 has reached charge protection voltage due to its voltage, is charged into
Electricity and the electricity released offset, that is to say, that the single battery 11 is in the case where filling with electricity no longer to the single battery 11
It charges, the BMS battery systems of battery pack 1 will not act and terminate charging, and charger continues to BMS batteries system has not yet been reached
Other single batteries 11 of system additives for overcharge protection voltage value charge, and reach in this way, will will appear 11 voltage of more single batteries
Voltage value is protected, when charging reaches after a certain period of time, each single battery 11 in battery pack 1 entirely reaches BMS battery systems
The additives for overcharge protection voltage of setting, the voltage of each single battery 11 is consistent and reach balanced purpose at this time.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (5)
1. a kind of charging equalization apparatus, it is characterised in that：By several settings on each single battery (11) of battery pack (1)
Charge equalizer (2) forms, and each charge equalizer (2) is made of discharge resistance (21) and control circuit (22), institute
The control circuit (22) stated is controlling the break-make of single battery (11) and discharge resistance (21) circuit, and the control circuit
(22) final voltage value is provided on.
2. a kind of charging equalization apparatus described in claim 1, it is characterised in that：The quantity of the charge equalizer (2) with
The quantity of single battery (11) is identical, and the single battery (11) on several charge equalizers (2) and battery pack (1) is one by one
It corresponds to and is connected in parallel.
3. a kind of charging equalization apparatus described in claim 1, it is characterised in that：On each charge equalizer (2)
Discharge resistance (21) and control circuit (22) are connected in series with.
4. a kind of charging equalization apparatus described in claim 1, it is characterised in that：Set by the control circuit (22)
Final voltage value is slightly less than the protection voltage value of BMS battery systems in the battery pack (1), when the voltage of single battery (11) reaches
When to final voltage, the single battery (11) and electric discharge are connected in control circuit (22) action which is connected
The circuit of resistance (21) discharges, and control circuit (22) controls the discharge current and monomer electricity of the single battery (11)
The charging current in pond (11) is consistent.
5. a kind of charging equalization apparatus described in claim 1, it is characterised in that：Single battery in the battery pack (1)
(11) it is connected in series with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810249551.XA CN108551182A (en) | 2018-03-26 | 2018-03-26 | A kind of charging equalization apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810249551.XA CN108551182A (en) | 2018-03-26 | 2018-03-26 | A kind of charging equalization apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108551182A true CN108551182A (en) | 2018-09-18 |
Family
ID=63516925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810249551.XA Pending CN108551182A (en) | 2018-03-26 | 2018-03-26 | A kind of charging equalization apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108551182A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872991A (en) * | 2010-06-28 | 2010-10-27 | 惠州市亿能电子有限公司 | Balance control method of power battery pack |
| CN102427255A (en) * | 2011-10-28 | 2012-04-25 | 东风汽车公司 | Method and device for automatically equalizing voltages of power battery groups |
| CN202435093U (en) * | 2012-01-17 | 2012-09-12 | 浙江凯能科技有限公司 | Balanced charging control system for storage battery |
| CN208190280U (en) * | 2018-03-26 | 2018-12-04 | 南通宁远自动化科技有限公司 | A kind of charging equalization apparatus |
-
2018
- 2018-03-26 CN CN201810249551.XA patent/CN108551182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872991A (en) * | 2010-06-28 | 2010-10-27 | 惠州市亿能电子有限公司 | Balance control method of power battery pack |
| CN102427255A (en) * | 2011-10-28 | 2012-04-25 | 东风汽车公司 | Method and device for automatically equalizing voltages of power battery groups |
| CN202435093U (en) * | 2012-01-17 | 2012-09-12 | 浙江凯能科技有限公司 | Balanced charging control system for storage battery |
| CN208190280U (en) * | 2018-03-26 | 2018-12-04 | 南通宁远自动化科技有限公司 | A kind of charging equalization apparatus |
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