CN108183526A - A kind of power accumulator charging method, circuit and system - Google Patents
A kind of power accumulator charging method, circuit and system Download PDFInfo
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- CN108183526A CN108183526A CN201810002431.XA CN201810002431A CN108183526A CN 108183526 A CN108183526 A CN 108183526A CN 201810002431 A CN201810002431 A CN 201810002431A CN 108183526 A CN108183526 A CN 108183526A
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- power accumulator
- discharge
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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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
Abstract
This application discloses a kind of charging method of power accumulator, applied to power accumulator discharge circuit, including：The present discharge current value of power accumulator is obtained, and compares the size of present discharge current value and pre-set current value；If present discharge current value is equal to pre-set current value, the present discharge voltage value of power accumulator is obtained, and compare the size of present discharge voltage value and default cutoff voltage value；If present discharge voltage value is equal to or less than default cutoff voltage value, stop discharging to power accumulator.As it can be seen that by pre-set current value and default cutoff voltage value, to control discharge condition of the power accumulator in discharge process, to realize the constant discharge of power accumulator, compared with the prior art, the application reduces the workload of operating personnel, improves the working efficiency of operating personnel.Correspondingly, the invention also discloses a kind of power accumulator discharge circuit and system, equally there is more than advantageous effect.
Description
Technical field
The present invention relates to technical field of rail traffic, more particularly to a kind of power accumulator charging method, circuit and system.
Background technology
With domestic city progress faster, urban track traffic will not be done due to its operation by other vehicles
It disturbs, is widely used in each city.Accumulator is since its is environmentally protective, in field of track traffic, has obtained extensively
Application.In the prior art, in order to extend the service life of power accumulator, power accumulator can generally be tieed up
It repaiies, it is generally the case that power accumulator can be safeguarded with the period of either 1 year half a year, still, to power electric power storage
During pond carries out electric discharge maintenance, ground discharge machine is typically used to discharge power accumulator, is using ground
During Electrical Discharge Machine discharges to power accumulator, since the battery capacity of power accumulator is huge, discharge time is longer,
Furthermore, it would be desirable to which operating personnel are operated manually, this process is extremely dangerous.So by the way that how better method is come to dynamic
Power accumulator is safeguarded, is those skilled in the art's urgent problem to be solved.
Invention content
In view of this, the purpose of the present invention is to provide a kind of charging method of power accumulator, circuit and system, to subtract
Few workload of the operating personnel in maintenance process improves the working efficiency of operating personnel.Its concrete scheme is as follows：
A kind of charging method of power accumulator, applied to power accumulator discharge circuit, including：
Obtain the present discharge current value of power accumulator, and the present discharge current value and pre-set current value
Size；
If present discharge current value is equal to the pre-set current value, the present discharge voltage of the power accumulator is obtained
Value, and the size of the present discharge voltage value and default cutoff voltage value；
If the present discharge voltage value is equal to or less than the default cutoff voltage value, stop to the power electric power storage
Tank discharge.
Preferably, the process for stopping discharging to the power accumulator, including：
By Trig control signal, stop discharging to the power accumulator using chop control unit.
Preferably, it after the process of the size of the present discharge current value and pre-set current value, further includes：
If the present discharge current value is less than the pre-set current value, to the discharge current of the power accumulator into
Row adjustment, until the present discharge current value of the power accumulator is equal to the pre-set current value.
Preferably, it after the process of the size of the present discharge current value and pre-set current value, further includes：
If the present discharge current value is more than the pre-set current value, to the discharge current of the power accumulator into
Row adjustment, until the present discharge current value of the power accumulator is equal to the pre-set current value.
Preferably, the present discharge voltage value is with after the process of the size of default cutoff voltage value, going back
Including：
If the present discharge voltage value is more than the default cutoff voltage value, the power accumulator again
The size of present discharge current value and pre-set current value.
Correspondingly, invention additionally discloses a kind of power accumulator discharge circuit, including：
Voltage sensor, current sensor, chop control unit, braking resistor；
Wherein, the anode of power accumulator respectively with the first end of the current sensor and the voltage sensor
One end connects, and the second end of the voltage sensor connect with the cathode of the power accumulator, and the of the current sensor
Two ends are connect with the first end of the chop control unit, the second end of the chop control unit and the of the braking resistor
One end connects, and the second end of the braking resistor is connect with the cathode of the power accumulator.
Preferably, the resistance value of the braking resistor is 6 Ω.
Preferably, the rated value of the voltage sensor is 1000V.
Preferably, it further includes：Subordinate inverter；
The first end of the subordinate inverter is connect with the second end of the current sensor, and the of the subordinate inverter
Two ends are connect with the cathode of the power accumulator.
Correspondingly, the invention also discloses a kind of power accumulator discharge system, including voltage sensor, current sense
Device, chop control unit, braking resistor and processor, wherein, the processor is used to perform following steps：
The present discharge current value of power accumulator, and present discharge electricity are obtained using the current sensor
The size of flow valuve and pre-set current value；
If the present discharge current value is equal to the pre-set current value, obtained using the voltage sensor described dynamic
The present discharge voltage value of power accumulator, and the size of the present discharge voltage value and default cutoff voltage value；
If the present discharge voltage value is equal to or less than the default cutoff voltage value, by controlling the copped wave control
The trigger signal of unit processed, to stop discharging to the power accumulator using the braking resistor.
In the present invention, a kind of charging method of power accumulator, applied to power accumulator discharge circuit, including：It obtains
The present discharge current value of power accumulator is taken, and compares the size of present discharge current value and pre-set current value；If it currently puts
Electric current value is equal to pre-set current value, then obtains the present discharge voltage value of power accumulator, and compare present discharge voltage value
With the size of default cutoff voltage value；If present discharge voltage value is equal to or less than default cutoff voltage value, stop to power
Battery discharging.As it can be seen that in the process of power accumulator electric discharge, by pre-set current value and default cutoff voltage value, come
Continuous discharge condition of the motivation of adjustment accumulator in discharge process, and then ensure that perseverance of the power accumulator in discharge process
Fixed electric discharge, and when the present discharge voltage value of power accumulator is equal to or less than default cutoff voltage value, then power electric power storage
Tank discharge finishes.Obviously, compared with the prior art, need repairing personnel by using ground discharge machine come to power accumulator into
Row electric discharge, this programme reduce the workload of operating personnel, while also carry without maintenance personal's execute-in-place ground discharge equipment
The high working efficiency of operating personnel.Correspondingly, the invention also discloses a kind of power accumulator discharge circuit and power electric power storages
Tank discharge system equally has more than advantageous effect.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of power accumulator charging method flow chart disclosed by the embodiments of the present invention；
Fig. 2 is another power accumulator charging method flow chart disclosed by the embodiments of the present invention；
Fig. 3 is a kind of power accumulator discharge circuit structure chart disclosed by the embodiments of the present invention；
Fig. 4 is another power accumulator discharge circuit structure chart disclosed by the embodiments of the present invention；
Fig. 5 is a kind of power accumulator discharge system structure chart disclosed by the embodiments of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of power accumulator charging methods, and shown in Figure 1, this method includes：
Step S11：The present discharge current value of power accumulator is obtained, and compares present discharge current value and predetermined current
The size of value.
In the present embodiment, it is to preset a discharging condition to power accumulator namely set power accumulator to put first
Pre-set current value and default cutoff voltage value when electric, so that power accumulator is discharged with preset discharging condition.Energy
It is enough that it is contemplated that during the actual discharge of power accumulator, discharge current and discharge voltage are real-time changes, so,
In practical operation, can corresponding electric discharge set power accumulator by network control system and relevant software program
Parameter, so that power accumulator is discharged with preset discharging condition.
Step S12：If present discharge current value is equal to pre-set current value, the present discharge voltage of power accumulator is obtained
Value, and compare the size of present discharge voltage value and default cutoff voltage value.
Step S13：If present discharge voltage value is equal to or less than default cutoff voltage value, power accumulator is put in stopping
Electricity.
It is also contemplated that in practical operation, the discharge process of power accumulator can continue several hours, and power stores
The discharge parameter of battery is all real-time change, and the discharge parameter of power accumulator is adjusted in real time so obtaining, so that
The discharge parameter for obtaining power accumulator reaches preset battery discharging condition.Such as：Voltage sensor and electric current can be used
Sensor to obtain the present discharge current value of power accumulator and present discharge voltage value in real time, then, according to power electric power storage
The pre-set current value in pond and default cutoff voltage value, to present discharge current value and the present discharge voltage value of power accumulator
It is adjusted, that is, when the present discharge current value of power accumulator is less than pre-set current value, then should be increased dynamic in real time
The discharge current value of power accumulator；If the present discharge current value of power accumulator is more than pre-set current value, it should subtract
The present discharge current value of low-power accumulator.
Specifically, in practical operation, the electric discharge shape of power accumulator can be adjusted using chop control unit
State.It is understood that the discharge parameter in addition to power accumulator can be obtained using current sensor and voltage sensor
Outside, there can also be other methods to obtain the real-time change parameter of power accumulator, similarly, in addition to utilizing chop control unit
To adjust outside the discharge condition of power accumulator, it is possibility to have other realization methods carry out putting for real-time motivation of adjustment accumulator
Electricity condition, all are not construed as limiting herein for the purpose of reaching practical application.
As it can be seen that in the process of power accumulator electric discharge, by pre-set current value and default cutoff voltage value, come continuous
Discharge condition of the motivation of adjustment accumulator in discharge process, and then ensure that constant in discharge process of power accumulator is put
Electricity, and when the present discharge voltage value of power accumulator is equal to or less than default cutoff voltage value, then power accumulator is put
Electricity finishes.Obviously, compared with the prior art, the personnel that need repairing put power accumulator by using ground discharge machine
Electricity, this programme reduce the workload of operating personnel, also improve simultaneously without maintenance personal's execute-in-place ground discharge equipment
The working efficiency of operating personnel.
Based on above-described embodiment, as a preferred embodiment, in the present embodiment to above-described embodiment step
S13：If present discharge voltage value is equal to or less than default cutoff voltage value, stop carrying out the process that power accumulator discharges
Specific description.
Specifically, by Trig control signal, stop discharging to power accumulator using chop control unit.
It is understood that because process of the discharge process of power accumulator for a dynamic change, needs pair
The present discharge current value of power accumulator is adjusted in real time with present discharge voltage value.Current when power accumulator is put
When electricity value is equal to or less than default cutoff voltage value, illustrate power accumulator discharge off.Specifically, in the present embodiment
In, it is the discharge condition that power accumulator is adjusted using chop control unit, and when the present discharge electricity of power accumulator
When pressure value is equal to or less than default blanking voltage, then by Trig control signal, stop storing power using chop control unit
Battery discharge.
Based on above-described embodiment, the present embodiment additionally provides another preferred embodiment, as shown in Figure 2：
In above-described embodiment step S11：The present discharge current value of power accumulator is obtained, and compares present discharge electric current
Value is with after the process of the size of pre-set current value, further including step H11 and step H12.
Step H11：If present discharge current value is less than pre-set current value, the discharge current of power accumulator is adjusted
It is whole, until the present discharge current value of power accumulator is equal to pre-set current value.
Step H12：If present discharge current value is more than pre-set current value, the discharge current of power accumulator is adjusted
It is whole, until the present discharge current value of power accumulator is equal to pre-set current value.
It is understood that in practical operation, the discharge parameter in the discharge process of power accumulator is all real-time
Variation, the discharge parameter of power accumulator is adjusted in real time so obtaining, so that power accumulator is put with preset
Electric condition is discharged.That is, when the present discharge current value of power accumulator is less than pre-set current value, then increase power storage
The present discharge current value of battery；If the present discharge current value of power accumulator is more than pre-set current value, reduce dynamic
The present discharge current value of power accumulator.Specifically, in practical operation, motivation of adjustment can be carried out using chop control unit
The discharge parameter of accumulator that is, by adjusting the IGBT conducting dutycycles in chop control unit, carrys out real-time motivation of adjustment and stores
The discharge parameter of battery.Certainly, in practical operation, other methods can also realize this operation, all are to reach
For the purpose of practical application, it is not construed as limiting herein.
Specifically, in step S12：After the process for comparing the size of present discharge voltage value and default cutoff voltage value,
Further include step H21 and step H22.
Step H21：If present discharge voltage value is more than default cutoff voltage value, compare the current of power accumulator again
The size of discharge current value and pre-set current value；
Step H22：If the present discharge current value of power accumulator is equal to pre-set current value, compare power electric power storage again
The present discharge voltage value in pond and the size of default cutoff voltage value.
It is understood that when the current output voltage value of power accumulator is more than default cutoff voltage value, then again
Compare the present discharge current value of power accumulator and the size of pre-set current value, to the discharge current of power accumulator again into
Row is adjusted, if that is, the discharge current value of power accumulator adjusts chop control unit, increase less than pre-set current value
The consumption of braking resistor；If the discharge current value of power accumulator is more than pre-set current value, chop control unit is adjusted,
Reduce the consumption of braking resistor, until the discharge current value of power accumulator is equal to pre-set current value, then compare power again
The current output voltage value of accumulator and the size of default cutoff voltage value, so that power accumulator can constantly move in circles
Discharged with default discharging condition.
Correspondingly, the invention also discloses a kind of power accumulator discharge circuit, as shown in figure 3, the discharge circuit includes：
Voltage sensor 102, current sensor 103, chop control unit 104, braking resistor 105；
Wherein, the anode of power accumulator 101 respectively with the first end of current sensor 103 and voltage sensor 102
First end connects, and the second end of voltage sensor 102 is connect with the cathode of power accumulator 101, and the second of current sensor 103
End is connect with the first end of chop control unit 104, the second end of chop control unit 104 and the first end of braking resistor 105
Connection, the second end of braking resistor 105 are connect with the cathode of power accumulator 101.
It is understood that the voltage sensor 102 in the present embodiment was being discharged for measuring power accumulator 101
Discharge voltage in journey, meanwhile, it is also used for judging whether power accumulator 101 has reached default cutoff voltage value, to prevent
The over-discharge of power accumulator 101.Current sensor 103 is used for measuring the discharge current of power accumulator 101, usually by
Chop control unit 104 directly acquires, for dynamically adjusting the duty ratio of 104 inside IGBT of chop control unit conductings, with true
It is consistent with pre-set current value to protect discharge current value of the power accumulator 101 in discharge process.Braking resistor 105 is dynamic for consuming
The energy that power accumulator 101 generates in discharge process, to ensure power accumulator 101 in discharge process, system operation
Stability.
Wherein, it is come the discharge process of motivation of adjustment accumulator 101 using chop control unit 104：If power electric power storage
When the present discharge current value in pond 101 is equal to pre-set current value, then compare the present discharge voltage value of power accumulator 101 with it is pre-
If the size of cutoff voltage value, if the present discharge voltage value of power accumulator 101 is less than or equal to default cutoff voltage value
When, then 101 discharge off of power accumulator.If the present discharge current value of power accumulator 101 is less than pre-set current value,
Then increase the IGBT conducting dutycycles of chop control unit 104, to increase the output current of the braking resistor 105 at current time
Value if the present discharge current value of power accumulator 101 is more than pre-set current value, reduces multi-carrier control unit 104
IGBT conducting dutycycles, to reduce the output current value of the braking resistor 105 at current time, that is, by controlling chop control
Unit 104, to adjust the present discharge state of power accumulator 101, until by the present discharge current value of power accumulator 101
It is adjusted to pre-set current value and then compares the big of the current output voltage value of power accumulator 101 and default cutoff voltage value
It is small, if the current output voltage value of power accumulator 101 is less than or equal to default cutoff voltage value, power accumulator at this time
101 discharge offs if the current output voltage value of power accumulator 101 is more than default cutoff voltage value at this time, compare again
Compared with the size of power accumulator present discharge current value and pre-set current value, the state of power accumulator is adjusted again,
Until the electricity in power accumulator 101 is discharged.
Moreover, the power accumulator discharge circuit in the present embodiment, only including voltage sensor 102, current sensor
103rd, multi-carrier control unit 104 and braking resistor 105, these electric components are the standard of current battery locomotive
Configuration, compared with the prior art in, special ground discharge machine is needed to discharge power accumulator 101, the application
In power accumulator discharge circuit, the fund cost of consuming is less, moreover, being by triggering copped wave control in the present embodiment
Unit 104 processed controls the constant discharge of braking resistor 105, alternatively it is conceivable to, power accumulator 101 is in the process of electric discharge
In, huge energy can be generated, braking resistor 105 can quickly consume this portion of energy, and power accumulator is made to discharge
Circuit is in the state of a stable operation, and then avoids power accumulator in discharge process, and the energy of generation is anti-again
It is fed in system, and discharge circuit is caused to be in a dangerous state.
Further, compared with the prior art in power accumulator discharge process, need operating personnel by ground discharge
Machine is forwarded to ground discharge position by the ground discharge interface of cable connection to electric locomotive, then by manual switch, operates herein
In the process, the electric shock risk of operating personnel is very high.And in this application, operating personnel need to only store according to power disclosed above
Battery discharging method discharges to the circuit in the present embodiment, that is, first to the discharge current of power accumulator 101
One pre-set current value and default cutoff voltage value are set, accounted for by the IGBT conductings for adjusting internal in chop control unit 104
Empty ratio, it is possible to constant-current discharge, specific mode of operation, Ke Yican be carried out to power accumulator 101 using braking resistor 105
See above-described embodiment disclosure of that, details are not described herein again.Obviously, it by the circuit structure in the application, avoids existing
In technology, the complicated processes discharged using ground discharge equipment power accumulator are needed, pass through the side in the application
Method not only reduces the workload of operating personnel, ensure that the personal safety of operating personnel, and also improves the economy of enterprise
Benefit.
Based on a upper embodiment, as a preferred embodiment, the present embodiment has carried out specifically a upper embodiment
Explanation.
Preferably, the resistance value of braking resistor is 6 Ω.
Preferably, the voltage value of voltage sensor is 1000V.
Specifically, being in practical operation, resistance value can be used as the braking resistor of 6 Ω, the voltage sensor of 1000V
The current sensor of device and 100A certainly, in practical application, can also be adjusted according to practical situation, all
For the purpose of reaching practical application, it is not construed as limiting herein.
As shown in figure 4, based on a upper embodiment, as a preferred embodiment, subordinate inverter can also be passed through
106 improve the discharge stability of power accumulator.
Specifically, the first end of subordinate inverter 106 is connect with the second end of current sensor 103, subordinate inverter 106
Second end connect with the cathode of power accumulator 101.
It is steady in discharge process to improve power accumulator 101 to also add subordinate inverter 106 in the present embodiment
It is qualitative.It is understood that since the capacity of power accumulator 101 is larger, discharge time is longer, if power accumulator 101
Electric discharge working condition is constantly in, power accumulator 101 is easily caused feed phenomenon occur, so as to cause the performance of discharge circuit
Shakiness, so being that power accumulator 101 provides control during maintenance of discharging using subordinate inverter 106 in the present embodiment
Power supply, to avoid due to power accumulator 101 be constantly in discharge condition and the feed phenomenon that generates.
Correspondingly, the invention also discloses a kind of power accumulator discharge system, as shown in figure 5, the system includes voltage
Sensor 501, current sensor 502, chop control unit 503, braking resistor 504 and processor 505, wherein, processor 505
For performing following steps：
The present discharge current value of power accumulator is obtained using current sensor 502, and compares present discharge current value
With the size of pre-set current value；
If present discharge current value is equal to pre-set current value, working as power accumulator is obtained using voltage sensor 501
Preceding discharge voltage value, and compare the size of present discharge voltage value and default cutoff voltage value；
If present discharge voltage value is equal to or less than default cutoff voltage value, by controlling chop control unit 503
Trigger signal, to stop discharging to power accumulator using braking resistor 504.
In the present embodiment, it is to be existed using current sensor 502 and voltage sensor 501 to obtain power accumulator respectively
Discharge current value and discharge voltage value during actual discharge, and obtained according to current sensor 502 and voltage sensor 501
The present discharge current value for the power accumulator got and present discharge voltage value, by Trig control signal, utilize copped wave control
Unit 503 processed is adjusted the discharge current value of power accumulator with discharge voltage value, so that power accumulator is with default
Current value discharges with default cutoff voltage value, also, compared with the prior art in be using special discharge equipment come pair
Power accumulator discharges, and in this application, just with voltage sensor 501, current sensor 502, chop control
Unit 503 and braking resistor 504, it is possible to realize the electric discharge to power accumulator, improve power accumulator and actually should
With economic benefit in the middle, also, these equipment are all the standard configurations of current battery locomotive, additional without increasing
Hardware cost improves the economic benefit of enterprise.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include that
A little elements, but also including other elements that are not explicitly listed or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except also there are other identical elements in the process, method, article or apparatus that includes the element.
A kind of power accumulator charging method provided by the present invention, circuit and system are described in detail above,
Specific case used herein is expounded the principle of the present invention and embodiment, and the explanation of above example is only used
In facilitating the understanding of the method and its core concept of the invention；Meanwhile for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in specific embodiments and applications, in conclusion the content of the present specification should not be construed as
Limitation of the present invention.
Claims (10)
1. a kind of charging method of power accumulator, which is characterized in that applied to power accumulator discharge circuit, including：
The present discharge current value of power accumulator is obtained, and the present discharge current value and pre-set current value is big
It is small；
If present discharge current value is equal to the pre-set current value, the present discharge voltage value of the power accumulator is obtained,
And the size of the present discharge voltage value and default cutoff voltage value；
If the present discharge voltage value is equal to or less than the default cutoff voltage value, the power accumulator is put in stopping
Electricity.
2. according to the method described in claim 1, it is characterized in that, described stop the process discharged the power accumulator,
Including：
By Trig control signal, stop discharging to the power accumulator using chop control unit.
3. according to the method described in claim 1, it is characterized in that, the present discharge current value and predetermined current
After the process of the size of value, further include：
If the present discharge current value is less than the pre-set current value, the discharge current of the power accumulator is adjusted
It is whole, until the present discharge current value of the power accumulator is equal to the pre-set current value.
4. according to the method described in claim 1, it is characterized in that, the present discharge current value and predetermined current
After the process of the size of value, further include：
If the present discharge current value is more than the pre-set current value, the discharge current of the power accumulator is adjusted
It is whole, until the present discharge current value of the power accumulator is equal to the pre-set current value.
5. method according to any one of claims 1 to 4, which is characterized in that the present discharge voltage value
After the process of the size of default cutoff voltage value, further include：
If the present discharge voltage value is more than the default cutoff voltage value, the power accumulator is current again
The size of discharge current value and pre-set current value.
6. a kind of power accumulator discharge circuit, which is characterized in that including：
Voltage sensor, current sensor, chop control unit, braking resistor；
Wherein, the anode of power accumulator respectively with the first end of the current sensor and the first end of the voltage sensor
Connection, the second end of the voltage sensor are connect with the cathode of the power accumulator, the second end of the current sensor
It is connect with the first end of the chop control unit, the second end of the chop control unit and the first end of the braking resistor
Connection, the second end of the braking resistor are connect with the cathode of the power accumulator.
7. discharge circuit according to claim 6, which is characterized in that the resistance value of the braking resistor is 6 Ω.
8. discharge circuit according to claim 6, which is characterized in that the rated value of the voltage sensor is 1000V.
9. according to claim 6 to 8 any one of them discharge circuit, which is characterized in that further include：Subordinate inverter；
The first end of the subordinate inverter is connect with the second end of the current sensor, the second end of the subordinate inverter
It is connect with the cathode of the power accumulator.
10. a kind of power accumulator discharge system, which is characterized in that including voltage sensor, current sensor, chop control list
Member, braking resistor and processor, wherein, the processor is used to perform following steps：
The present discharge current value of power accumulator, and the present discharge current value are obtained using the current controller
With the size of pre-set current value；
If the present discharge current value is equal to the pre-set current value, obtains the power using the voltage sensor and store
The present discharge voltage value of battery, and the size of the present discharge voltage value and default cutoff voltage value；
If the present discharge voltage value is equal to or less than the default cutoff voltage value, by controlling the chop control list
The trigger signal of member, to stop discharging to the power accumulator using the braking resistor.
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| CN201810002431.XA CN108183526A (en) | 2018-01-02 | 2018-01-02 | A kind of power accumulator charging method, circuit and system |
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| CN201810002431.XA CN108183526A (en) | 2018-01-02 | 2018-01-02 | A kind of power accumulator charging method, circuit and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162180A (en) * | 2021-04-29 | 2021-07-23 | 深圳拓邦股份有限公司 | Lithium battery work control method and system and electric equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747278A (en) * | 2005-10-21 | 2006-03-15 | 成都龙盾数码通信技术有限公司 | Circuit for controlling series battery charge and discharge |
| CN101867207A (en) * | 2010-06-11 | 2010-10-20 | 大连市旅顺电力电子设备有限公司 | Constant-current discharging device of electric storage battery |
| CN102938479A (en) * | 2011-08-16 | 2013-02-20 | 杭州市电力局 | Battery charging and discharging method and battery circulating discharging equipment |
| CN104104117A (en) * | 2013-04-01 | 2014-10-15 | 毛广甫 | Storage battery charge and discharge equalization control method and system |
| KR20160077882A (en) * | 2014-12-24 | 2016-07-04 | 주식회사 엘지화학 | Method for controlling charge/discharge of the battery pack |
-
2018
- 2018-01-02 CN CN201810002431.XA patent/CN108183526A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747278A (en) * | 2005-10-21 | 2006-03-15 | 成都龙盾数码通信技术有限公司 | Circuit for controlling series battery charge and discharge |
| CN101867207A (en) * | 2010-06-11 | 2010-10-20 | 大连市旅顺电力电子设备有限公司 | Constant-current discharging device of electric storage battery |
| CN102938479A (en) * | 2011-08-16 | 2013-02-20 | 杭州市电力局 | Battery charging and discharging method and battery circulating discharging equipment |
| CN104104117A (en) * | 2013-04-01 | 2014-10-15 | 毛广甫 | Storage battery charge and discharge equalization control method and system |
| KR20160077882A (en) * | 2014-12-24 | 2016-07-04 | 주식회사 엘지화학 | Method for controlling charge/discharge of the battery pack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162180A (en) * | 2021-04-29 | 2021-07-23 | 深圳拓邦股份有限公司 | Lithium battery work control method and system and electric equipment |
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