CN104113090A - Storage battery pack energy monitoring system - Google Patents
Storage battery pack energy monitoring system Download PDFInfo
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- CN104113090A CN104113090A CN201310131536.2A CN201310131536A CN104113090A CN 104113090 A CN104113090 A CN 104113090A CN 201310131536 A CN201310131536 A CN 201310131536A CN 104113090 A CN104113090 A CN 104113090A
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- 238000003860 storage Methods 0.000 title abstract description 22
- 238000012544 monitoring process Methods 0.000 title abstract description 12
- 238000007600 charging Methods 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The present invention is suitable for the battery charging/discharging control field, and provides a storage battery pack energy monitoring system. According to the present invention, by arranging a plurality of energy control and detection devices, a storage battery pack charging/discharging device and a main control device in the storage battery pack energy monitoring system, the structure of the whole storage battery pack energy monitoring system is simple, the wiring among parts is few, and the cost of the system is saved. By monitoring and comparing the energy state information of the monomer storage batteries of each of the plurality of storage battery packs, the charging/discharging control of the storage battery packs can be adjusted real-timely, and the problems in the prior art that the energy state information of the storage battery packs can not be provided to users to real timely monitor the storage battery packs, and the cost is high, are solved.
Description
Technical field
The invention belongs to battery charging and discharging control field, relate in particular to a kind of batteries energy management system.
Background technology
At present, in many electronic equipments, all need to use storage battery and supply with as power supply, and in electronic equipment, be all generally that the batteries that adopts a plurality of storage batterys to be composed in series is powered.Due to the production technology of each cell batteries difference slightly, when the part storage battery in a batteries is full of electricity, may exist certain storage battery for being full of electricity, will when being proceeded to charge, whole batteries there is overcharging phenomenon like this, thereby cause the damage of batteries, and then the useful life of shortening storage battery, and put phenomenon for crossing, be also like this.Therefore, prior art has proposed a kind of battery management system, and it can monitor to prevent that the phenomenon of putting from appearring overcharging or crossing in storage battery to the voltage and current of battery, and then improves the utilance of storage battery, and extends the useful life of storage battery.Yet, although existing battery management system (BMS, Battery Management System) can realize above-mentioned functions, but its power status information that cannot provide batteries for user to be to realize the real-time monitoring to batteries, and there is the problem that cost is higher because of the many and complex structure of connecting up in existing battery management system.
Summary of the invention
The object of the present invention is to provide a kind of batteries energy management system, be intended to solve prior art is existing cannot be for user provide the power status information of batteries to realize the real-time monitoring to batteries, and the high problem of cost.
The present invention realizes like this, a kind of batteries energy management system, be connected with a plurality of batteries, described a plurality of batteries is to be in series by a plurality of independently batteries, described batteries energy management system is also connected with battery management system, and described battery management system obtains the state information of the cell batteries in each batteries of described a plurality of batteries;
Described batteries energy management system comprises:
A plurality of energy are controlled and checkout gear, be connected with described a plurality of batteries and power supply, described a plurality of energy is controlled identical with the quantity of described a plurality of batteries with the quantity of checkout gear, described a plurality of energy control with checkout gear in each energy control with checkout gear for according to predeterminated voltage value and predetermined current value to each batteries of described a plurality of batteries controls of charge, and detection and obtain described in the power status information of cell batteries in each batteries;
Charging-discharging device for accumulator battery, is connected in series with described a plurality of batteries, for described a plurality of batteries being carried out to charge or discharge control according to control command;
Main control unit, with described battery management system, described a plurality of energy is controlled and checkout gear, described charging-discharging device for accumulator battery and described power supply connect, for being controlled to the battery status information obtaining with checkout gear, described a plurality of energy show, according to described a plurality of energy, control the power status information of obtaining with checkout gear and send described control command to described charging-discharging device for accumulator battery, and the power status information that described battery management system is obtained and described a plurality of energy are controlled the power status information of obtaining with checkout gear and are contrasted, when compare error reaches default limit value over the number of times of presetting error threshold, for current cell batteries, report to the police processing and/or the control energy control corresponding with described current cell batteries and checkout gear and described charging-discharging device for accumulator battery quits work.
The present invention by adopting a plurality of energy to control and checkout gear in batteries energy management system, charging-discharging device for accumulator battery and main control unit, whole batteries energy management system simple in structure, wiring between each several part is few, saved system cost, and the cell batteries by each batteries in a plurality of batteries carries out state information monitoring and contrast, can adjust in real time the control that discharges and recharges to batteries, thereby solved, prior art is existing cannot provide the power status information of batteries to realize the real-time monitoring to batteries for user, and the problem that cost is high.
Accompanying drawing explanation
Fig. 1 is the structure chart of the batteries energy management system that provides of the embodiment of the present invention:
Fig. 2 is that the energy in the batteries energy management system that provides of the embodiment of the present invention is controlled the example structure figure with checkout gear;
Fig. 3 is the example structure figure of the main control unit in the batteries energy management system that provides of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention is by adopting a plurality of energy control and checkout gear, charging-discharging device for accumulator battery and main control unit in batteries energy management system, whole batteries energy management system simple in structure, wiring between each several part is few, saved system cost, and the cell batteries by each batteries in a plurality of batteries carries out power status information monitoring and contrast, can adjust in real time the control that discharges and recharges to batteries.
Fig. 1 shows the structure of the batteries energy management system that the embodiment of the present invention provides, and for convenience of explanation, only shows part related to the present invention, and details are as follows:
The batteries energy management system 100 that the embodiment of the present invention provides is connected with a plurality of batteries, a plurality of batteries are to be in series by a plurality of independently batteries 200. batteries energy management system 100 is also connected with battery management system 101, and the state information of the cell batteries in each batteries 200 of 101 pairs of a plurality of batteries of battery management system is obtained.
Batteries energy management system 100 comprises:
A plurality of energy are controlled and checkout gear, be connected with a plurality of batteries and power supply 105, a plurality of energy are controlled identical with the quantity of a plurality of batteries with the quantity of checkout gear, a plurality of energy control with checkout gear in each energy control with checkout gear 102 for according to predeterminated voltage value and predetermined current value to each batteries 200 of a plurality of batteries control of charge, and detection and obtain the power status information of the cell batteries in each batteries 200;
Charging-discharging device for accumulator battery 103, is connected in series with a plurality of batteries, for a plurality of batteries being carried out to charge or discharge control according to control command;
Main control unit 104, with battery management system 101, a plurality of energy are controlled and checkout gear, battery charge and discharge device 103 and power supply 105 connect, for being controlled to the power status information of obtaining with checkout gear, a plurality of energy show, according to a plurality of energy, control the power status information of obtaining with checkout gear and send described control command to charging-discharging device for accumulator battery 103, and the power status information that battery management system 101 is obtained and a plurality of energy are controlled the power status information of obtaining with checkout gear and are contrasted, when compare error reaches default limit value over the number of times of presetting error threshold, for report to the police processing and/or the control energy corresponding with current cell batteries of current cell batteries, control with checkout gear 102 and charging-discharging device for accumulator battery 103 and quit work.
Wherein, energy is controlled with checkout gear 102 according to predeterminated voltage value and predetermined current value batteries 200 process that the process of control charges with constant current constant voltage pattern in fact exactly of charge.The power status information that the power status information that a plurality of energy are controlled and checkout gear obtains and battery management system 101 obtain includes magnitude of voltage, current value, the pressure,volume and temperature value of cell batteries; Compare error refers to the difference between the magnitude of voltage, current value, pressure,volume and temperature value of the cell batteries in the power status information that magnitude of voltage, current value, pressure,volume and temperature value and a plurality of energy are controlled and checkout gear obtains of the cell batteries in the power status information that battery management system 101 obtains.
Further; when main control unit 104 knows that according to the power status information that a plurality of energy are controlled and checkout gear obtains the voltage of current cell batteries reaches predetermined voltage threshold; main control unit 104 sends corresponding control command and controls charging-discharging device for accumulator battery 103 and reduce the charging current of a plurality of batteries or discharging current according to predetermined current decrement value; until charging current or discharging current reach while presetting minimum current value, main control unit 104 sends halt instruction control charging-discharging device for accumulator battery 103 and quits work.In addition, default minimum current value is less than or equal to the predetermined current value of energy control and checkout gear, so just can in the process that batteries is discharged and recharged to control, make the voltage stabilization of storage battery at a default numerical value, and then reach the object of steer management.
Further, between a plurality of energy control and checkout gear and main control unit 104, can carry out data communication by CAN bus, RS485 bus or RS232 bus; Between main control unit 104 and battery management system 101, can carry out data communication by CAN bus, RS485 bus or RS232 bus.
As one embodiment of the invention, as shown in Figure 2, energy is controlled with checkout gear 102 and is comprised control module 1021 and a plurality of DC/DC charging module.
Control module 1021 is connected with power supply 105 and main control unit 104, control module 1021 for the control command of sending according to main control unit 104 control a plurality of DC/DC charging modules according to predeterminated voltage value and predetermined current value to each batteries 200 of a plurality of batteries control of charging, and the power status information of the cell batteries in each batteries 200 that a plurality of DC/DC charging modules are obtained feeds back to main control unit 104.
A plurality of DC/DC charging modules are connected with control module 1021, the quantity of a plurality of DC/DC charging modules and energy control with the corresponding batteries of checkout gear 102 in the quantity of cell batteries identical, each DC/DC charging module 1022 in a plurality of DC/DC charging modules is connected correspondingly with the cell batteries in batteries respectively, the positive polarity V+ of each DC/DC charging module 1022 is connected the positive pole of cell batteries with the anodal I+ of electric current, the voltage negative pole V-of each DC/DC charging module 1022 is connected the negative pole of cell batteries with electric current negative pole I-, the positive polarity V+ of each DC/DC charging module 1022 and voltage negative pole V-are for detecting the magnitude of voltage of cell batteries, the anodal I+ of electric current of each DC/DC charging module 1022 and electric current negative pole I-are for detecting the current value of cell batteries, the temperature detection end T of each DC/DC charging module 1022 is connected with cell batteries, the temperature detection end T of each DC/DC charging module 1022 is for detection of the temperature value of cell batteries.
As one embodiment of the invention, as shown in Figure 3, main control unit 104 comprises master controller 1041 and display 1042.
Master controller 1041 and control module 1021, charging-discharging device for accumulator battery 103, battery management system 101 and power supply 105 connect, for controlling according to a plurality of energy the power status information of obtaining with checkout gear, to charging-discharging device for accumulator battery 103, send control command, and the power status information that battery management system 101 is obtained and a plurality of energy are controlled the power status information of obtaining with checkout gear and are contrasted, when compare error reaches default limit value over the number of times of presetting error threshold, for current cell batteries, sending alarm command and/or the control energy corresponding with current cell batteries controls with checkout gear 102 and charging-discharging device for accumulator battery 103 and quits work.Wherein, master controller 1041 can be that single-chip microcomputer, arm processor or other possess the logical circuit of data-handling capacity.
Display 1042 is connected with master controller 1041 and power supply 105, its alarm command display alarm information for the power status information that a plurality of energy are controlled and checkout gear obtains is shown and sent according to master controller 1041.Wherein, display 1042 can be LCD display, light-emitting diode display or CRT monitor, can select one according to actual conditions and select in concrete application.
In other embodiments of the invention, main control unit 104 also can further comprise sound and light alarm module 1043, sound and light alarm module 1043 is connected with master controller 1041 and described power supply 105, it carries out sound and light alarm for the alarm command sending according to master controller 1041, for example, be similar to alarm song and early-warning lamp etc. and send blinking light and audible alarm.
From the foregoing, main control unit 104 can or carry out sound and light alarm by sound and light alarm module 1043 and realize by display 1042 display alarm information in the processing of reporting to the police for current cell batteries.
Below in conjunction with operation principle, above-mentioned batteries energy management system 100 is described further:
In batteries energy management system 100 courses of work, when a plurality of energy control is carried out constant-current constant-voltage charging to a plurality of batteries respectively with checkout gear, 103 pairs of a plurality of batteries of charging-discharging device for accumulator battery can be charged and be controlled or control of discharge.If occur that the magnitude of voltage of a certain cell batteries reaches predetermined voltage threshold in the power status information that the control module 1021 in each energy control and checkout gear 102 is fed back to master controller 1041, main control unit 104 sends corresponding control command control charging-discharging device for accumulator battery 103 and reduces the charging current of a plurality of batteries or discharging current according to predetermined current decrement value, until charging current or discharging current reach while presetting minimum current value, the energy corresponding with current cell batteries controlled with checkout gear 102 and quit work, energy control and checkout gear 102 continuation charge to batteries 200 with constant current constant voltage pattern, until just can quit work while receiving the halt instruction that master controller 1041 sends.Meanwhile, control module 1021 in each energy control and checkout gear 102 is also by the magnitude of voltage of the cell batteries in each batteries 200, current value, pressure,volume and temperature value is by communication bus (CAN bus, RS485 bus or RS232 bus) feed back to master controller 1041, and by master controller 1041, controlled the magnitude of voltage of display 1042 displaying monomer storage batterys, current value, the information such as pressure,volume and temperature value, simultaneously, battery management system 101 also can obtain and feed back the magnitude of voltage of the cell batteries in each batteries 200, current value, pressure,volume and temperature value is to master controller 1041, the magnitude of voltage of the cell batteries in each batteries 200 then being fed back by 1041 pairs of control modules 1021 of master controller and battery management system 101, current value, pressure,volume and temperature value contrasts, if there is a certain parameter value (magnitude of voltage, current value, capacity or temperature value) the compare error number of times that surpasses default error threshold reach default limit value (for example 3 times), master controller 1041 can send warning message (or sending sound and light alarm by sound and light alarm module 1043) to user by display 1042, and can directly control the energy corresponding with current cell batteries and control the effect that quits work to reach protection storage battery with checkout gear 102 and charging-discharging device for accumulator battery 103.
From above-mentioned batteries energy management system 100, can find out, batteries energy management system 100 has possessed all functions of BMS, it can obtain the power status information of cell batteries equally, and can play detection to cell batteries, the effect of control and parameter comparison, if do not need at some the occasion that power status information is contrasted, batteries energy management system 100 can also complete the steer management to storage battery in the situation that departing from battery management system 101, so just can make the cost of whole system lower, be conducive to the popularization and application of native system.In addition, at energy, controlling can complete independently during to the steer management of batteries 200 with checkout gear 102, energy is controlled with checkout gear 102 just no longer to be needed to be connected with main control unit 104 by communication bus (CAN bus, RS485 bus or RS232 bus), so just can reduce communication bus, and main control unit 104 also, with regard to no longer needing display 1042 and acousto-optic alarm module 1043 to carry out respectively information demonstration and sound and light alarm, so just can further be saved the holistic cost of system.
The embodiment of the present invention by adopting a plurality of energy to control and checkout gear in batteries energy management system, charging-discharging device for accumulator battery and main control unit, whole batteries energy management system simple in structure, wiring between each several part is few, saved system cost, and the cell batteries by each batteries in a plurality of batteries carries out power status information monitoring and contrast, can adjust in real time the control that discharges and recharges to batteries, solved that prior art is existing cannot provide the power status information of batteries to realize the real-time monitoring to batteries for user, and the problem that cost is high.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a batteries energy management system, be connected with a plurality of batteries, described a plurality of batteries is to be in series by a plurality of independently batteries, described batteries energy management system is also connected with battery management system, and described battery management system obtains the power status information of the cell batteries in each batteries of described a plurality of batteries; It is characterized in that, described batteries energy management system comprises:
A plurality of energy are controlled and checkout gear, be connected with described a plurality of batteries and power supply, described a plurality of energy is controlled identical with the quantity of described a plurality of batteries with the quantity of checkout gear, described a plurality of energy control with checkout gear in each energy control with checkout gear for according to predeterminated voltage value and predetermined current value to each batteries of described a plurality of batteries controls of charge, and detection and obtain described in the state information of cell batteries in each batteries;
Charging-discharging device for accumulator battery, is connected in series with described a plurality of batteries, for described a plurality of batteries being carried out to charge or discharge control according to control command;
Main control unit, with described battery management system, described a plurality of energy is controlled and checkout gear, described charging-discharging device for accumulator battery and described power supply connect, for being controlled to the power status information of obtaining with checkout gear, described a plurality of energy show, according to described a plurality of energy, control the power status information of obtaining with checkout gear and send described control command to described charging-discharging device for accumulator battery, and the power status information that described battery management system is obtained and described a plurality of energy are controlled the power status information of obtaining with checkout gear and are contrasted, when compare error reaches default limit value over the number of times of presetting error threshold, for current cell batteries, report to the police processing and/or the control energy control corresponding with described current cell batteries and checkout gear and described charging-discharging device for accumulator battery quits work.
2. batteries energy management system as claimed in claim 1, it is characterized in that, when described main control unit knows that according to the power status information that described a plurality of energy are controlled and checkout gear obtains the voltage of current cell batteries reaches predetermined voltage threshold, described main control unit 104 sends corresponding control command and controls described charging-discharging device for accumulator battery and reduce the charging current of a plurality of batteries or discharging current according to predetermined current decrement value, until described charging current or described discharging current reach while presetting minimum current value, described main control unit sends halt instruction and controls described charging-discharging device for accumulator battery and quit work.
3. batteries energy management system as claimed in claim 2, is characterized in that, described default minimum current value is less than or equal to described predetermined current value.
4. batteries energy management system as claimed in claim 1, is characterized in that, described energy is controlled with checkout gear and comprised control module and a plurality of DC/DC charging module;
Described control module is connected with described power supply and described main control unit, described control module for the control command sent according to described main control unit control described a plurality of DC/DC charging modules according to predeterminated voltage value and predetermined current value to each batteries of described a plurality of batteries control of charging, and the power status information of the cell batteries in each batteries that described a plurality of DC/DC charging modules are obtained feeds back to described main control unit;
Described a plurality of DC/DC charging module is connected with described control module, the quantity of described a plurality of DC/DC charging modules and described energy control with the corresponding batteries of checkout gear in the quantity of cell batteries identical, each DC/DC charging module in described a plurality of DC/DC charging module is connected correspondingly with the cell batteries in batteries respectively, the positive polarity of each DC/DC charging module and the anodal positive pole that is connected cell batteries of electric current, the voltage negative pole of described each DC/DC charging module is connected the negative pole of cell batteries with electric current negative pole, the positive polarity of described each DC/DC charging module and voltage negative pole are for detecting the magnitude of voltage of cell batteries, the electric current positive pole of described each DC/DC charging module and electric current negative pole are for detecting the current value of cell batteries, the temperature detection end of described each DC/DC charging module is connected with cell batteries, the temperature detection end of described each DC/DC charging module is for detection of the temperature value of cell batteries.
5. batteries energy management system as claimed in claim 4, is characterized in that, described main control unit comprises master controller and display;
Described master controller and described control module, described charging-discharging device for accumulator battery, described battery management system and described power supply connect, described master controller sends control command for controlling according to described a plurality of energy the power status information of obtaining with checkout gear to described charging-discharging device for accumulator battery, and the power status information that described battery management system is obtained and described a plurality of energy are controlled the power status information of obtaining with checkout gear and are contrasted, when the number of times that surpasses described default error threshold when described compare error reaches described default limit value, for current cell batteries, sending alarm command and/or the control energy control corresponding with described current cell batteries and checkout gear and described charging-discharging device for accumulator battery quits work,
Described display is connected with described master controller and described power supply, the alarm command display alarm information of described display for the power status information that described a plurality of energy are controlled and checkout gear obtains is shown and sent according to described master controller.
6. batteries energy management system as claimed in claim 5, it is characterized in that, described main control unit also comprises sound and light alarm module, described sound and light alarm module is connected with described master controller and described power supply, and described sound and light alarm module is carried out sound and light alarm for the alarm command sending according to described master controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310131536.2A CN104113090B (en) | 2013-04-16 | 2013-04-16 | A kind of battery energy monitoring system |
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| CN201310131536.2A CN104113090B (en) | 2013-04-16 | 2013-04-16 | A kind of battery energy monitoring system |
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| CN104113090A true CN104113090A (en) | 2014-10-22 |
| CN104113090B CN104113090B (en) | 2017-04-05 |
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| CN106569144A (en) * | 2016-11-14 | 2017-04-19 | 中车大连机车车辆有限公司 | Rail transit vehicle-mounted storage battery online monitoring system |
| CN113541235A (en) * | 2021-06-03 | 2021-10-22 | 孙建宁 | Storage battery pack equalizing charge and discharge management system |
| CN115692879A (en) * | 2022-09-26 | 2023-02-03 | 浙江汇升电气有限公司 | Energy storage system self-adaptive management method and adjusting device thereof |
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| US20100259214A1 (en) * | 2009-04-08 | 2010-10-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Wireless charging system |
| CN102738525A (en) * | 2012-06-14 | 2012-10-17 | 沈阳中科正方新能源技术有限公司 | Battery management system of vehicle-mounted lithium power battery |
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| US20100259214A1 (en) * | 2009-04-08 | 2010-10-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Wireless charging system |
| CN101800341A (en) * | 2010-04-09 | 2010-08-11 | 中国科学院电工研究所 | Lithium-ion battery monomer balancer |
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| CN106569144A (en) * | 2016-11-14 | 2017-04-19 | 中车大连机车车辆有限公司 | Rail transit vehicle-mounted storage battery online monitoring system |
| CN113541235A (en) * | 2021-06-03 | 2021-10-22 | 孙建宁 | Storage battery pack equalizing charge and discharge management system |
| CN115692879A (en) * | 2022-09-26 | 2023-02-03 | 浙江汇升电气有限公司 | Energy storage system self-adaptive management method and adjusting device thereof |
| CN115692879B (en) * | 2022-09-26 | 2024-05-07 | 汇升智慧能源集团有限公司 | Energy storage system self-adaptive management method and adjusting device thereof |
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| CN104113090B (en) | 2017-04-05 |
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Address after: 518000, Guangdong, Shenzhen province Nanshan District Xian Xian Road, 2 industrial building with the rich 4 floor Applicant after: REPOWER TECHNOLOGY Co.,Ltd. Address before: 518000, Guangdong, Shenzhen province Nanshan District Xian Xian Road, 2 industrial building with the rich 4 floor Applicant before: REPOWER TECHNOLOGY CO.,LTD. |
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Address after: 518000 1903a, block a, Zhongguan Times Square, 4168 Liuxian Avenue, Pingshan community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Patentee after: REPOWER TECHNOLOGY Co.,Ltd. Address before: 4 / F, No.2 factory building, tongfuyu industrial town, Liuxian Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee before: REPOWER TECHNOLOGY Co.,Ltd. |
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Address after: 518000 floor 11, building A3, Nanshan Zhiyuan, No. 1001, Xueyuan Avenue, Changyuan community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Patentee after: REPOWER TECHNOLOGY Co.,Ltd. Address before: 518000 1903a, block a, Zhongguan Times Square, 4168 Liuxian Avenue, Pingshan community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Patentee before: REPOWER TECHNOLOGY Co.,Ltd. |