CN203164385U - Electric energy feedback detecting system for storage batteries - Google Patents
Electric energy feedback detecting system for storage batteries Download PDFInfo
- Publication number
- CN203164385U CN203164385U CN 201320125339 CN201320125339U CN203164385U CN 203164385 U CN203164385 U CN 203164385U CN 201320125339 CN201320125339 CN 201320125339 CN 201320125339 U CN201320125339 U CN 201320125339U CN 203164385 U CN203164385 U CN 203164385U
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- circuit module
- electric energy
- battery pack
- conversion circuit
- translation circuit
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- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims abstract description 4
- 238000013519 translation Methods 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract 6
- 230000007547 defect Effects 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses an electric energy feedback detecting system for storage batteries, which solves the problem that in the prior art, deteriorated batteries are not detected timely during the process that electric energy of storage batteries is back fed to electrical network. The system comprises a storage battery pack (1), an electrical network (4), an industrial controller (7) and a monitoring master computer (8), wherein two electrodes of the storage battery pack (1) are connected with a dc input end of a DC/DC conversion circuit module (2), a dc boosting end of the DC/DC conversion circuit module (2) is connected with a dc input end of a DC/AC conversion circuit module (3), an ac output end of the DC/AC conversion circuit module (3) is connected with the electrical network (4), a control end of the DC/DC conversion circuit module (2) and a control end of the DC/AC conversion circuit module (3) are both electrically connected with a pulse width modulator (5), and a voltage and temperature sampling circuit (6) in the storage battery pack end is electrically connected with the industrial controller (7). According to the utility model, the defect that the deteriorated batteries are not timely found out can be made up.
Description
Technical field
The utility model relates to a kind of process detection system of battery discharging feedback grid, particularly the system that in the electric energy feedback grid process of the property checked discharge test accumulator detected of a kind of accumulator.
Background technology
Be extensive use of battery pack in the modern electric power system and make energy storage device, reach the purpose of uninterrupted power supply.The reasonable use of battery pack and correct the maintenance are the keys of guaranteeing dc operation system and the operation steady in a long-term of power communication dispatching system.Be annually to do the once property checked discharge test with actual load according to the correlation technique standard to the maintenance requirement of sealed cell group, caused the waste of battery pack energy storage.The electric energy feedback grid of the routine property the checked discharge test of power supply enterprise has been become on-the-spot urgent problem, explore to strengthen the pick-up unit of accumulator electric energy feedback, remedying existing rules, the deterioration battery is detected untimely defective also is urgent problem instantly.The existing storage battery group property checked discharge test all adopts the catabiotic mode accumulator electric energy of releasing, and also there be the problem untimely to detecting of deterioration battery simultaneously in the problem that has the high heat radiation and waste energy in discharge process.
Summary of the invention
The utility model provides a kind of accumulator electric energy feedback detection system, in the process of solution existing storage battery electric energy feedback grid the deterioration battery is detected untimely problem.
The utility model is to solve above technical matters by the following technical programs:
A kind of accumulator electric energy feedback detection system, comprise battery pack, electrical network, Industrial Control Computer and monitoring principal computer, two electrodes of battery pack are connected with the direct-flow input end of DC/DC translation circuit module, the DC boosting end of DC/DC translation circuit module is connected with the direct-flow input end of DC/AC translation circuit module, the ac output end of DC/AC translation circuit module is connected with electrical network, the control end of the control end of DC/DC translation circuit module and DC/AC translation circuit module is electrically connected with pulse-width modulator respectively, Industrial Control Computer is connected with the monitoring principal computer by the RS485 communication bus, the monitoring principal computer is electrically connected with pulse-width modulator by the RS485 communication bus, and battery pack terminal voltage and temperature sampling circuit are electrically connected with Industrial Control Computer.
Industrial Control Computer is 32 Industrial Control Computers.
The utility model adopts advanced Power Electronic Technique, the direct current energy that utilizes the method for active inversion that accumulator is emitted is transformed to the pure sine wave alternating current and feeds back to electrical network, explored and strengthened the method that accumulator detects, remedied existing rules the deterioration battery is detected untimely defective.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of accumulator electric energy feedback detection system, comprise battery pack 1, electrical network 4, Industrial Control Computer 7 and monitoring principal computer 8, two electrodes of battery pack 1 are connected with the direct-flow input end of DC/DC translation circuit module 2, the DC boosting end of DC/DC translation circuit module 2 is connected with the direct-flow input end of DC/AC translation circuit module 3, the ac output end of DC/AC translation circuit module 3 is connected with electrical network 4, the control end of the control end of DC/DC translation circuit module 2 and DC/AC translation circuit module 3 is electrically connected with pulse-width modulator 5 respectively, Industrial Control Computer 7 is connected with monitoring principal computer 8 by the RS485 communication bus, monitoring principal computer 8 is electrically connected with pulse-width modulator 5 by the RS485 communication bus, and battery pack terminal voltage and temperature sampling circuit 6 are electrically connected with Industrial Control Computer 7.
Industrial Control Computer 7 is 32 Industrial Control Computers.
Energy-efficient electric energy feedback unit of the present utility model lays respectively in the different cabinets with described intelligent accummulator detecting unit, described energy-efficient electric energy feedback unit is provided with direct-flow input end, ac output end and control input end, the DC/DC module of described energy-efficient electric energy feedback unit inside comprises DC/DC translation circuit and the PWM driving circuit that described DC/DC translation circuit is controlled, the direct-flow input end of described DC/DC translation circuit and dc output end constitute direct-flow input end and the DC boosting end of described energy-efficient electric energy feedback unit respectively, and the control input end of described PWM driving circuit constitutes the control input end of described DC/DC translation circuit.The DC/AC module of described energy-efficient electric energy feedback unit inside comprises DC/AC inverter circuit and the PWM driving circuit that described DC/AC inverter circuit is controlled, the direct-flow input end of described DC/AC inverter circuit and ac output end constitute DC boosting end and the ac output end of described energy-efficient electric energy feedback unit respectively, and the control input end of described PWM driving circuit constitutes the control input end of described DC/AC inverter circuit.
Described pulse-width modulator 5 is the comparing element that electric current (or voltage) signal of the direct-flow input end of the described DC/DC module that will gather respectively of PWM driving circuit is sent into constant current (or constant voltage) control, and compare from the given electric current of user (or voltage) signal that given signal input part receives with the bus control loop, if the electric current (or voltage) of feedback value is worth greater than given electric current (or voltage), then output can reduce the control signal of the driving signal dutyfactor of described PWM driving circuit output, otherwise, then output can increase the control signal of the driving signal dutyfactor of described PWM driving circuit output, namely constitutes constant current (or constant voltage) control closed loop.
The ac output end voltage signal of the described DC/AC inverter circuit that described PWM driving circuit will be gathered and electrical network trace signals are sent into the comparing element of voltage; and compare to determining voltage signal from the user that given signal input part receives with control loop, realize the overvoltage protection of output voltage.Simultaneously by the frequency-tracking of ac output end voltage feedback line realization to electrical network.
Described intelligent accummulator detecting unit adopts 32 real technical grade microprocessors of ARM, accumulator to the need discharge carries out voltage monitoring and discharge control, energy-efficient electric energy feedback unit by RS485 communication bus and system carries out message exchange, realization is to the discharge parameter control of energy-efficient electric energy feedback unit, gather the discharge condition of cell batteries, the safety when guaranteeing battery discharge.Described intelligent accummulator detecting unit adopts advanced digital temperature sensor to carry out temperature detection to guarantee working of equipment in the temperature range of safety.
Claims (2)
1. accumulator electric energy feedback detection system, comprise battery pack (1), electrical network (4), Industrial Control Computer (7) and monitoring principal computer (8), it is characterized in that, two electrodes of battery pack (1) are connected with the direct-flow input end of DC/DC translation circuit module (2), the DC boosting end of DC/DC translation circuit module (2) is connected with the direct-flow input end of DC/AC translation circuit module (3), the ac output end of DC/AC translation circuit module (3) is connected with electrical network (4), the control end of the control end of DC/DC translation circuit module (2) and DC/AC translation circuit module (3) is electrically connected with pulse-width modulator (5) respectively, Industrial Control Computer (7) is connected with monitoring principal computer (8) by the RS485 communication bus, monitoring principal computer (8) is electrically connected with pulse-width modulator (5) by the RS485 communication bus, and battery pack terminal voltage and temperature sampling circuit (6) are electrically connected with Industrial Control Computer (7).
2. a kind of accumulator electric energy feedback detection system according to claim 1 is characterized in that Industrial Control Computer (7) is 32 Industrial Control Computers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125339 CN203164385U (en) | 2013-03-19 | 2013-03-19 | Electric energy feedback detecting system for storage batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125339 CN203164385U (en) | 2013-03-19 | 2013-03-19 | Electric energy feedback detecting system for storage batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203164385U true CN203164385U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320125339 Expired - Fee Related CN203164385U (en) | 2013-03-19 | 2013-03-19 | Electric energy feedback detecting system for storage batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203164385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100128B (en) * | 2016-07-27 | 2018-06-19 | 国网江苏省电力有限公司常州供电分公司 | Monitoring device is isolated in active power distribution network intelligent terminal accumulator |
-
2013
- 2013-03-19 CN CN 201320125339 patent/CN203164385U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100128B (en) * | 2016-07-27 | 2018-06-19 | 国网江苏省电力有限公司常州供电分公司 | Monitoring device is isolated in active power distribution network intelligent terminal accumulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20180319 |