CN202565037U - Management system of battery energy storage system - Google Patents
Management system of battery energy storage system Download PDFInfo
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- CN202565037U CN202565037U CN 201120552095 CN201120552095U CN202565037U CN 202565037 U CN202565037 U CN 202565037U CN 201120552095 CN201120552095 CN 201120552095 CN 201120552095 U CN201120552095 U CN 201120552095U CN 202565037 U CN202565037 U CN 202565037U
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Abstract
The utility model discloses a management system of a battery energy storage system. The management system comprises a monitor scheduling unit, a bidirectional conversion unit connected with the monitor scheduling unit, and a battery assembly connected with the bidirectional conversion unit. The battery assembly includes one or more batteries, and is equipped with a battery management unit connected with the batteries. The management system is capable of issuing operation parameters and correcting instructions to set parameters of the battery assembly, adjust protection for the batteries and control the parameters, is flexibly configured, can comprehensively monitor the state of the batteries and fault alarm information, and is capable of controlling the bidirectional conversion unit to charge and discharge the batteries in an optimized manner based on the state of the batteries and the state of the system so as to realize functions of energy storage and electric energy release. If the battery assembly is unstable or in danger, an energy storage system is separated from an electrical network, and the stable operation of the electrical network is not affected. Equalization of heavy current for the batteries is carried out by the battery management unit, thereby guaranteeing consistency of the batteries, prolonging the service life of the batteries, and then greatly improving the service life of the energy storage system.
Description
Technical field
The utility model relates to a kind of management system of battery energy storage system.
Background technology
Along with rapid economy development, China's power load rolls up, and comparatively serious shortage has appearred in electric energy.For peak load shifting, regulate the quality of power supply, energy-storage system is applied gradually now.In addition, consider, also occurred electrification energy storage systems such as wind-powered electricity generation, photovoltaic on the market from the aspects such as structure that environmental protection, the additional energy and adjusting electric energy are supplied with.Energy-storage system is a Newly Sprouted Things, trends towards utilizing lithium battery as energy storage medium now, low power consumption period with electrical power storage in battery, during to peak of power consumption electric energy is discharged in the electrical network.In order to guarantee the safe and efficient use of lithium battery, must there be battery management system that lithium battery is protected, battery management system also will communicate with the current transformer in the energy-storage system simultaneously, participates in the control of electrical power storage and release.
Energy-storage system is as the part of electrical network energy resource supply, and in order to guarantee the stable operation of electrical network, its fail safe of energy-storage system, reliability all require very high.Mainly contain following problem:
Energy-storage system is wanted comprehensive battery data can be provided, can remote monitoring, and the parameter setting is easy to safeguard.
Gone out generic failure, energy-storage system can to this fault alarm with and it is excised from system, system that something is seriously wrong with can in time close voluntarily.
Simultaneously the life-span of energy-storage system is wanted long enough, requires battery system can give full play to self performance, guarantees system stability, long-term operation.
The utility model content
The utility model provides a kind of management system that is specifically designed to energy-storage system, and its function satisfies the requirement of energy-storage system.Its design is following.
A kind of management system of battery energy storage system; Comprise the monitoring and scheduling unit; Be used to connect AC network and battery energy storage system and realize energy storage and the two-way current transforming unit that discharges control between battery energy storage system and the AC network; This two-way current transforming unit receives the monitoring and scheduling unit controls, and is connected to battery energy storage system, collects the work state information of battery energy storage system; Said battery energy storage system comprises one or more battery pack modules that are connected with two-way current transforming unit; Said monitoring and scheduling unit also with the direct communication of battery pack module, realize information gathering and monitoring control.
Concrete, said battery pack module comprises one or more battery pack, and is provided with corresponding one or more battery set managements unit and is connected with battery pack.
More specifically; Said battery set management unit comprises directly and the battery set management main control unit of monitoring and scheduling unit and two-way current transforming unit communication; And be connected the battery set management that is used to gather the battery pack status data with it from the control unit; Battery set management is gathered the battery pack status data from the control unit and is transferred to the battery set management main control unit, is uploaded to the monitoring and scheduling unit through the battery set management main control unit.Said battery set management main control unit comprise the master control CPU and be connected with the master control CPU be used to control contactor control unit, the battery pack operating current detecting unit that battery pack is in communication with the outside.Said battery set management comprise from the control unit from the control CPU and with from control the CPU temperature detecting unit and the voltage detection unit that are connected.
Preferably, said monitoring and scheduling unit, two-way current transforming unit, battery set management main control unit and battery set management are provided with the communications management unit based on CAN from the control unit, and realize communication through the CAN network.
Preferably, also be provided with the local monitor unit that is connected with the battery set management main control unit through the CAN network.
Preferably, be provided with the shunt that is used for that is connected with monitoring and scheduling unit and battery pack module to current sample.
Preferably, the battery set management main control unit also is provided with the fault alarm unit that is connected with the master control CPU.
Preferably, battery set management is provided with and battery pack cell balanced unit in succession from the control unit, and this cell balanced unit receives from the control central processing unit controls.
In sum, the utlity model has following beneficial effect: (1) issues parameter setting and regulating cell protection and the Control Parameter that the operational factor modify instruction is accomplished the battery pack module, flexible configuration through energy-accumulating power station monitoring and scheduling unit to the battery pack module; (2) the monitoring and scheduling unit receives the data of battery management unit transmission, comprehensively the state and the fault alarm information of monitoring battery; (3) the monitoring and scheduling unit discharges and recharges battery according to the two-way current transforming unit of control of the state optimization of the state of battery and system, realizes energy storage and the function that discharges electric energy; (4) when battery pack is unstable or adventurous, the contactor control unit can cut off being connected of energy-storage system and electrical network, does not influence power grid operation; (5) battery management unit carries out big current balance to battery, guarantees the consistency of battery, prolongs battery useful life, thereby energy-storage system service life is greatly promoted.
Description of drawings
Fig. 1 is the management system overall structure figure of the described battery energy storage system of the utility model;
Fig. 2 is the structural representation of the described battery pack module of the utility model.
Embodiment
In order to let those skilled in the art can understand the technical scheme of the utility model better, the utility model is done further to set forth below in conjunction with accompanying drawing.
The management system of a kind of battery energy storage system that the utility model disclosed such as Fig. 1 and shown in Figure 2: comprise the monitoring and scheduling unit, the two-way current transforming unit that is connected with the monitoring and scheduling unit, and the battery pack module that is connected with two-way current transforming unit.
Two-way current transforming unit receives the monitoring and scheduling unit controls; Be used to connect AC network and battery energy storage system and realize energy storage and release control between battery energy storage system and the AC network; And be connected to battery energy storage system, collect the information such as operating state of battery energy storage system; Battery energy storage system comprises one or more battery pack modules that are connected with two-way current transforming unit, adjusts according to actual needs; Said monitoring and scheduling unit also with the direct communication of battery pack module, realize information gathering and monitoring control.
Each battery pack module comprises one or more battery pack; And be provided with corresponding one or more battery set management and be used to gather being connected with battery pack of battery pack status data from the control unit, and with battery set management from controlling the battery set management main control unit that the unit is connected; Said battery set management unit comprises directly and the battery set management main control unit of monitoring and scheduling unit and two-way current transforming unit communication.Battery set management is gathered the battery pack status data from the control unit and is transferred to the battery set management main control unit, is uploaded to the monitoring and scheduling unit through the battery set management main control unit.
In order in time reliably battery status to be reported to two-way current transforming unit and monitoring and scheduling unit; Monitoring and scheduling unit, two-way current transforming unit, battery set management main control unit and battery set management are provided with the communications management unit (all not marking the figure) based on CAN from the control unit, and realize communication through the CAN network.
Battery set management comprises from the control unit from control CPU and connected detection batteries monomer battery voltage, the voltage detection unit of temperature, the temperature detecting unit of being respectively applied for; And be provided with and be used for cell is carried out balanced cell balanced unit; The cell balanced unit receives from the control central processing unit controls; Can carry out the electric weight equilibrium to battery pack, guarantee the consistency between cell, prolong battery pack useful life.
The battery set management main control unit comprises master control CPU, communications management unit, fault alarm unit, battery pack operating current detecting unit and is used to control the contactor control unit that battery pack is in communication with the outside.The battery set management main control unit can be analyzed relevant parameters such as the battery voltage collected, temperature, electric currents, and data are sent to monitoring and scheduling unit and two-way current transforming unit through the CAN network.Can also carry out fault warning or cut off battery pack through the fault alarm unit if any emergency through the contactor control unit.
Simultaneously, also be provided with the local monitor unit that is connected with the battery set management main control unit through the CAN network,, improved the flexibility ratio of system applies so that realize monitoring on the spot.
Also be provided with the shunt that is connected with monitoring and scheduling unit and battery pack module in addition; Shunt is sampled to electric current; And an information that collects sends to the monitoring and scheduling unit, information realization current measurement and SOC estimation that the monitoring and scheduling unit collects through shunt.
When using; The monitoring and scheduling unit receives the related data of the transmission of other cell nodes; Cell voltage, temperature, current data are shown comprehensively, fault alarm information is shown warning, manage as a whole discharging and recharging; Such as in the charging process according to the current information of battery, allow charging current for two way convertor is provided with the maximum that battery is provided in real time.According to the current information of battery,, two way convertor allows discharging current in the discharge process for being provided with the maximum that battery is provided in real time.
Present embodiment is the more excellent execution mode of the utility model; Need to prove; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. the management system of a battery energy storage system; It is characterized in that; Comprise the monitoring and scheduling unit, be used to connect AC network and battery energy storage system and realize energy storage and the two-way current transforming unit that discharges control between battery energy storage system and the AC network that this two-way current transforming unit receives the monitoring and scheduling unit controls; And be connected to battery energy storage system, collect the work state information of battery energy storage system;
Said battery energy storage system comprises one or more battery pack modules that are connected with two-way current transforming unit;
Said monitoring and scheduling unit also with the direct communication of battery pack module, realize information gathering and monitoring control.
2. the management system of battery energy storage system according to claim 1 is characterized in that, said battery pack module comprises one or more battery pack, and is provided with corresponding one or more battery set managements unit and is connected with battery pack.
3. the management system of battery energy storage system according to claim 2; It is characterized in that; Said battery set management unit comprises directly and the battery set management main control unit of monitoring and scheduling unit and two-way current transforming unit communication; And being connected the battery set management that is used to gather the battery pack status data with it from the control unit, battery set management is gathered the battery pack status data from the control unit and is transferred to the battery set management main control unit, is uploaded to the monitoring and scheduling unit through the battery set management main control unit.
4. the management system of battery energy storage system according to claim 3; It is characterized in that, said battery set management main control unit comprise the master control CPU and be connected with the master control CPU be used to control contactor control unit, the battery pack operating current detecting unit that battery pack is in communication with the outside.
5. the management system of battery energy storage system according to claim 3 is characterized in that, said battery set management comprise from the control unit from the control CPU and with from control the CPU temperature detecting unit and the voltage detection unit that are connected.
6. according to the management system of claim 3 or 4 or 5 described battery energy storage systems; It is characterized in that; Said monitoring and scheduling unit, two-way current transforming unit, battery set management main control unit and battery set management are provided with the communications management unit based on CAN from the control unit, and realize communication through the CAN network.
7. the management system of battery energy storage system according to claim 6 is characterized in that, also is provided with the local monitor unit that is connected with the battery set management main control unit through the CAN network.
8. the management system of battery energy storage system according to claim 7 is characterized in that, is provided with the shunt to current sample that is used for that is connected with monitoring and scheduling unit and battery pack module.
9. the management system of battery energy storage system according to claim 8 is characterized in that, the battery set management main control unit also is provided with the fault alarm unit that is connected with the master control CPU.
10. the management system of battery energy storage system according to claim 9 is characterized in that, battery set management is provided with and battery pack cell balanced unit in succession from the control unit, and this cell balanced unit receives from the control central processing unit controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120552095 CN202565037U (en) | 2011-12-27 | 2011-12-27 | Management system of battery energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120552095 CN202565037U (en) | 2011-12-27 | 2011-12-27 | Management system of battery energy storage system |
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| CN202565037U true CN202565037U (en) | 2012-11-28 |
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| CN 201120552095 Expired - Fee Related CN202565037U (en) | 2011-12-27 | 2011-12-27 | Management system of battery energy storage system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253488A (en) * | 2014-09-17 | 2014-12-31 | 宁德时代新能源科技有限公司 | Battery energy storage system and power supply system |
| CN105071547A (en) * | 2015-09-23 | 2015-11-18 | 山东圣阳电源股份有限公司 | Cascaded battery energy storage system and maintenance method therefor |
| CN105244939A (en) * | 2015-09-22 | 2016-01-13 | 苏州工业园区职业技术学院 | Intelligent distributed battery intelligent management system |
| CN104578433B (en) * | 2013-10-17 | 2017-02-08 | 南通强生光电科技有限公司 | Switchable electric energy storage system and using method thereof |
| CN108288862A (en) * | 2017-01-10 | 2018-07-17 | 宁德时代新能源科技股份有限公司 | Energy storage battery management system and control method |
| CN109066838A (en) * | 2018-07-25 | 2018-12-21 | 南京特亿达新能源科技有限公司 | A kind of power battery managing and control system |
-
2011
- 2011-12-27 CN CN 201120552095 patent/CN202565037U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578433B (en) * | 2013-10-17 | 2017-02-08 | 南通强生光电科技有限公司 | Switchable electric energy storage system and using method thereof |
| CN104253488A (en) * | 2014-09-17 | 2014-12-31 | 宁德时代新能源科技有限公司 | Battery energy storage system and power supply system |
| CN105244939A (en) * | 2015-09-22 | 2016-01-13 | 苏州工业园区职业技术学院 | Intelligent distributed battery intelligent management system |
| CN105071547A (en) * | 2015-09-23 | 2015-11-18 | 山东圣阳电源股份有限公司 | Cascaded battery energy storage system and maintenance method therefor |
| CN105071547B (en) * | 2015-09-23 | 2018-03-27 | 山东圣阳电源股份有限公司 | A kind of tandem type battery energy storage system and maintaining method |
| CN108288862A (en) * | 2017-01-10 | 2018-07-17 | 宁德时代新能源科技股份有限公司 | Energy storage battery management system and control method |
| CN109066838A (en) * | 2018-07-25 | 2018-12-21 | 南京特亿达新能源科技有限公司 | A kind of power battery managing and control system |
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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: 20121128 Termination date: 20191227 |