CN104113090B - A kind of battery energy monitoring system - Google Patents
A kind of battery energy monitoring system Download PDFInfo
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- CN104113090B CN104113090B CN201310131536.2A CN201310131536A CN104113090B CN 104113090 B CN104113090 B CN 104113090B CN 201310131536 A CN201310131536 A CN 201310131536A CN 104113090 B CN104113090 B CN 104113090B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 62
- 238000007600 charging Methods 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004397 blinking Effects 0.000 description 1
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
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Abstract
The present invention is applied to battery charging and discharging control field, there is provided a kind of battery energy monitoring system.The present invention is by adopting multiple energy holes and detection means in battery energy monitoring system, charging-discharging device for accumulator battery and main control unit, the simple structure of whole battery energy monitoring system, wiring between each several part is few, save system cost, and power status information monitoring and contrast are carried out by the cell batteries to each batteries in multiple batteries, being capable of charge and discharge control of the real-time adjustment to batteries, the power status information that cannot provide the user batteries existing for prior art is solved to realize the monitor in real time to batteries, and the problem of high cost.
Description
Technical field
The invention belongs to battery charging and discharging control field, more particularly to a kind of battery energy monitoring system.
Background technology
At present, it is required for using battery as power supply supply in many electronic equipments, and in electronic equipment typically all
It is that the batteries being composed in series using multiple batteries are powered.As the production technology of each cell batteries slightly has
Difference, when the part battery in a batteries is fully charged, it is understood that there may be certain battery is fully charged, thus can
Occur overcharging phenomenon when whole batteries are proceeded and charged, so as to cause the damage of batteries, and then shorten storage
The service life of battery, and phenomenon is put for crossing, and so.Therefore, prior art proposes a kind of battery management system, its
The voltage and current of battery can be monitored and the phenomenon put be overcharged or cross to prevent battery from occurring, and then improve battery
Utilization rate, and extend battery service life.But, although existing battery management system（BMS, Battery
Management System）Can realize above-mentioned functions, but its cannot provide the user the power status information of batteries with
Realize monitor in real time to batteries, and existing battery management system because wiring is more and complex structure exist it is relatively costly
Problem.
The content of the invention
It is an object of the invention to provide a kind of battery energy monitoring system, it is intended to solve existing for prior art
The power status information of batteries cannot be provided the user realize the monitor in real time to batteries, and high cost is asked
Topic.
The present invention is achieved in that a kind of battery energy monitoring system, is connected with multiple batteries, described many
Individual batteries are in series by multiple independent batteries, the battery energy monitoring system also with battery management
System connects, shape of the battery management system to the cell batteries in each batteries of the plurality of batteries
State information is obtained；
The battery energy monitoring system includes：
Multiple energy holes and detection means, are connected with the plurality of batteries and power supply, the plurality of energy hole
It is identical with the quantity of the plurality of batteries with the quantity of detection means, it is every in the plurality of energy hole and detection means
One energy hole and detection means for according to preset voltage value and pre-set current value to the plurality of batteries in it is every
One batteries is charged control, and detects and obtain the energy shape of the cell batteries in described each batteries
State information；
Charging-discharging device for accumulator battery, is connected in series with the plurality of batteries, for according to control instruction to described
Multiple batteries are charged or control of discharge；
Main control unit, with the battery management system, the plurality of energy hole and detection means, the batteries
Charge and discharge device and power supply connection, for by the battery status information acquired in the plurality of energy hole and detection means
Shown, the power status information according to acquired in the plurality of energy hole and detection means is to the batteries charge and discharge
Electric installation sends the control instruction, and by the power status information acquired in the battery management system and the plurality of energy
Control is contrasted with the power status information acquired in detection means, when the number of times for exceeding default error threshold to ratio error reaches
During to preset limit value, then alert process and/or control and the current monolithic battery are carried out for current monolithic battery
Corresponding energy hole is quit work with detection means and the charging-discharging device for accumulator battery.
The present invention is by adopting multiple energy holes and detection means, batteries in battery energy monitoring system
Charge and discharge device and main control unit, the simple structure of whole battery energy monitoring system, the wiring between each several part
It is few, system cost is saved, and state letter is carried out by the cell batteries to each batteries in multiple batteries
Breath monitoring and contrast, can charge and discharge control of the real-time adjustment to batteries, so as to solve the nothing existing for prior art
Method provides the user the power status information of batteries to realize the monitor in real time to batteries, and the problem of high cost.
Description of the drawings
Fig. 1 is the structure chart of battery energy monitoring system provided in an embodiment of the present invention：
Fig. 2 is energy hole in battery energy monitoring system provided in an embodiment of the present invention and detection means is shown
Example structure chart；
Fig. 3 is the exemplary construction of the main control unit in battery energy monitoring system provided in an embodiment of the present invention
Figure.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
The embodiment of the present invention is by adopting multiple energy holes and detection means, electric power storage in battery energy monitoring system
Pond group charge and discharge device and main control unit, the simple structure of whole battery energy monitoring system, between each several part
Wiring is few, saves system cost, and carries out energy by the cell batteries to each batteries in multiple batteries
The monitoring of amount status information and contrast, being capable of charge and discharge control of the real-time adjustment to batteries.
Fig. 1 shows the structure of battery energy monitoring system provided in an embodiment of the present invention, for convenience of description, only
Part related to the present invention is shown, details are as follows：
The battery energy monitoring system 100 provided by the embodiment of the present invention is connected with multiple batteries, multiple storages
Battery pack is in series by multiple independent batteries 200. battery energy monitoring system 100 also with battery management system
System 101 connects, shape of the battery management system 101 to the cell batteries in each batteries 200 of multiple batteries
State information is obtained.
Battery energy monitoring system 100 includes：
Multiple energy holes and detection means, are connected with multiple batteries and power supply 105, multiple energy holes with detection
The quantity of device is identical with the quantity of multiple batteries, each energy hole in multiple energy holes and detection means with
Detection means 102 for according to preset voltage value and pre-set current value to each batteries 200 in multiple batteries
Control is charged, and detects 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 multiple batteries, for according to control instruction to multiple storages
Battery pack is charged or control of discharge；
Main control unit 104, is filled with battery management system 101, multiple energy holes and detection means, accumulator cell charging and discharging
Put 103 and power supply 105 connect, for multiple energy holes are shown with the power status information acquired in detection means,
According to multiple energy holes and the power status information acquired in detection means are sent to charging-discharging device for accumulator battery 103
Control instruction, and the power status information acquired in battery management system 101 is obtained with multiple energy holes and detection means
The power status information for taking is contrasted, when the number of times for exceeding default error threshold to ratio error reaches preset limit value, then
Alert process is carried out for current monolithic battery and/or energy hole corresponding with current monolithic battery is controlled with detection dress
Put 102 and charging-discharging device for accumulator battery 103 quit work.
Wherein, energy hole is carried out to batteries 200 according to preset voltage value and pre-set current value with detection means 102
The process of charge control is actually the process being charged with constant current constant voltage pattern.Multiple energy holes and detection means institute
Voltage of the power status information acquired in the power status information and battery management system 101 of acquisition including cell batteries
Value, current value, pressure,volume and temperature value；The list in the power status information acquired in battery management system 101 is referred to ratio error
The magnitude of voltage of accumulator body, current value, pressure,volume and temperature value and the energy state acquired in multiple energy holes and detection means
The magnitude of voltage of the cell batteries in information, the difference between current value, pressure,volume and temperature value.
Further, when main control unit 104 is according to multiple energy holes and the energy state letter acquired in detection means
When breath knows that the voltage of current monolithic battery reaches predetermined voltage threshold, then main control unit 104 sends corresponding control and refers to
Order control charging-discharging device for accumulator battery 103 reduces the charging current to multiple batteries according to predetermined current decrement value or puts
Electric current, until when charging current or discharge current reach default minimum current value, main control unit 104 sends halt instruction control
Charging-discharging device for accumulator battery processed 103 quits work.Additionally, default minimum current value is less than or equal to energy hole and detection dress
The pre-set current value put, thus can make the voltage stabilization of battery exist during charge and discharge control is carried out to batteries
One default numerical value, and then reach the purpose of steer management.
Further, between multiple energy holes and detection means and main control unit 104 can by CAN,
RS485 buses or RS232 buses enter row data communication；Can pass through between main control unit 104 and battery management system 101
CAN, RS485 buses or RS232 buses enter row data communication.
As one embodiment of the invention, as shown in Fig. 2 energy hole and detection means 102 include control module 1021 and
Multiple DC/DC charging modules.
Control module 1021 is connected with power supply 105 and main control unit 104, and control module 1021 is for filling according to main control
Put 104 control instructions for sending multiple DC/DC charging modules are controlled according to preset voltage value and pre-set current value to multiple electric power storages
Each batteries 200 of Chi Zuzhong are charged control, and by each electric power storage acquired in multiple DC/DC charging modules
The power status information of the cell batteries in pond group 200 feeds back to main control unit 104.
Multiple DC/DC charging modules are connected with control module 1021, the quantity and energy hole of multiple DC/DC charging modules
It is identical with the quantity of the cell batteries in the batteries corresponding to detection means 102, it is every in multiple DC/DC charging modules
One DC/DC charging module 1022 is connected correspondingly with the cell batteries in batteries respectively, and each DC/DC fills
Positive polarity V+ of electric module 1022 and electric current positive pole I+ connect the positive pole of cell batteries, each DC/DC charging module
1022 voltage negative pole V- and electric current negative pole I- connects the negative pole of cell batteries, the electricity of each DC/DC charging module 1022
Positive pressure pole V+ and voltage negative pole V- for detecting to the magnitude of voltage of cell batteries, each DC/DC charging module 1022
Electric current positive pole I+ and electric current negative pole I- for detecting to the current value of cell batteries, each DC/DC charging module
1022 temperature detection end T is connected with cell batteries, and the temperature detection end T of each DC/DC charging module 1022 is used to examine
Survey the temperature value of cell batteries.
As one embodiment of the invention, as shown in figure 3, main control unit 104 includes 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 electricity
Source 105 connects, for the power status information according to acquired in multiple energy holes and detection means to batteries discharge and recharge
Device 103 sends control instruction, and by the power status information acquired in battery management system 101 and multiple energy holes and examines
Survey the power status information acquired in device to be contrasted, when the number of times for exceeding ratio error default error threshold reaches pre- limiting
During definite value, then alarm command is sent for current monolithic battery and/or control energy control corresponding with current monolithic battery
System is quit work with detection means 102 and charging-discharging device for accumulator battery 103.Wherein, master controller 1041 can be monolithic
Machine, arm processor or other possess the logic circuit of data-handling capacity.
Display 1042 is connected with master controller 1041 and power supply 105, and which is used for multiple energy holes and detection means
The alarm command display alarm information that acquired power status information is shown and sent according to master controller 1041.Its
In, display 1042 can be LCD display, light-emitting diode display or CRT monitor, in a particular application can be according to actual conditions
Select a selection.
In other embodiments of the present invention, main control unit 104 can also further include sound and light alarm module 1043, acousto-optic
Alarm module 1043 is connected with master controller 1041 and the power supply 105, and which is used for the warning sent according to master controller 1041
Instruction carries out sound and light alarm, for example, sends blinking light and audible alarm similar to alarm song and early-warning lamp etc..
From the foregoing, main control unit 104 for current monolithic battery carry out alert process can by show
1042 display alarm information of device carries out sound and light alarm to realize by sound and light alarm module 1043.
Above-mentioned battery energy monitoring system 100 is described further below in conjunction with operation principle：
In 100 course of work of battery energy monitoring system, in multiple energy holes with detection means respectively to many
While individual batteries carry out constant-current constant-voltage charging, charging-discharging device for accumulator battery 103 can be carried out to multiple batteries
Charge control or control of discharge.If each energy hole and the control module 1021 in detection means 102 are to master controller
The magnitude of voltage for occurring a certain cell batteries in 1041 power status informations fed back reaches predetermined voltage threshold, main control dress
Put 104 corresponding control instruction control charging-discharging device for accumulator battery 103 is sent according to the reduction of predetermined current decrement value to multiple
The charging current or discharge current of batteries, until when charging current or discharge current reach default minimum current value, and works as
The corresponding energy hole of front cell batteries is quit work with detection means 102, and energy hole is then continued with detection means 102
Batteries 200 are charged with constant current constant voltage pattern, when receiving the halt instruction that master controller 1041 sends
Can quit work.At the same time, the control module 1021 in each energy hole and detection means 102 is also by each batteries
The magnitude of voltage of the cell batteries in 200, current value, pressure,volume and temperature value pass through communication bus（CAN, RS485 buses or
RS232 buses）Master controller 1041 is fed back to, and the electricity of 1042 displaying monomer battery of display is controlled by master controller 1041
The information such as pressure value, current value, pressure,volume and temperature value, meanwhile, battery management system 101 can also be obtained and feed back each batteries
The magnitude of voltage of the cell batteries in 200, current value, pressure,volume and temperature value to master controller 1041, then by master controller
Cell batteries in each batteries 200 that 1041 pairs of control modules 1021 and battery management system 101 are fed back
Magnitude of voltage, current value, pressure,volume and temperature value contrasted, if there is a certain parameter value（Magnitude of voltage, current value, capacity or
Temperature value）Preset limit value is reached to the number of times that ratio error exceedes default error threshold（Such as 3 times）, then master controller 1041
Warning message can be issued the user with by display 1042（Or sound and light alarm is sent by sound and light alarm module 1043）, and
Energy hole corresponding with current monolithic battery can also directly be controlled with detection means 102 and batteries charge and discharge Denso
Put 103 to quit work to reach the effect for protecting battery.
From above-mentioned battery energy monitoring system 100 as can be seen that battery energy monitoring system 100 possesses
The institute of BMS is functional, and which can equally obtain the power status information of cell batteries, and cell batteries can be played
Detection, control and the effect of parameter comparison, if the occasion that need not be contrasted to power status information at some, battery
Organizing energy management system 100 can be to complete the steer pipe to battery in the case where battery management system 101 is departed from
Reason, can thus make the cost of whole system lower, be conducive to the popularization and application of the system.Additionally, in energy hole and detection
Device 102 can complete independently when managing to the steer of batteries 200, energy hole is with detection means 102 just no longer
Need by communication bus（CAN, RS485 buses or RS232 buses）It is connected with main control unit 104, can thus subtracts
Communication bus, and main control unit 104 less is also no longer needed for display 1042 and sound and light alarm module 1043 and carries out letter respectively
Breath display and sound and light alarm, thus can further save the holistic cost of system.
The embodiment of the present invention is by adopting multiple energy holes with detection means, storage in battery energy monitoring system
Battery set charge/discharge device and main control unit, the simple structure of whole battery energy monitoring system, between each several part
Wiring it is few, save system cost, and carried out by the cell batteries to each batteries in multiple batteries
Power status information monitor and contrast, can charge and discharge control of the real-time adjustment to batteries, solve prior art and deposited
The power status information that cannot provide the user batteries realizing the monitor in real time to batteries, and high cost
Problem.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of battery energy monitoring system, is connected with multiple batteries, and the plurality of batteries are by multiple only
Vertical batteries are in series, and the battery energy monitoring system is also connected with battery management system, the cell tube
Reason system is obtained to the power status information of the cell batteries in each batteries of the plurality of batteries；
Characterized in that, the battery energy monitoring system includes：
Multiple energy holes and detection means, are connected with the plurality of batteries and power supply, the plurality of energy hole with inspection
The quantity for surveying device is identical with the quantity of the plurality of batteries, each in the plurality of energy hole and detection means
Energy hole and detection means for according to preset voltage value and pre-set current value to each in the plurality of batteries
Batteries are charged control, and detect and obtain the status information of the cell batteries in described each batteries；
Charging-discharging device for accumulator battery, is connected in series with the plurality of batteries, for according to control instruction to the plurality of
Batteries are charged or control of discharge；
Main control unit, with the battery management system, the plurality of energy hole and detection means, the batteries charge and discharge
Electric installation and power supply connection, for the plurality of energy hole is carried out with the power status information acquired in detection means
Show, the power status information according to acquired in the plurality of energy hole and detection means is to the batteries charge and discharge Denso
Put and send the control instruction, and by the power status information acquired in the battery management system and the plurality of energy hole
Contrasted with the power status information acquired in detection means, it is pre- when reaching more than the number of times for presetting error threshold to ratio error
During definite value of limiting, then alert process is carried out for current monolithic battery and/or controlled corresponding with the current monolithic battery
Energy hole quit work with detection means and the charging-discharging device for accumulator battery；
Wherein, the power status information when the main control unit according to acquired in the plurality of energy hole is with detection means is obtained
When knowing that the voltage of current monolithic battery reaches predetermined voltage threshold, the main control unit sends corresponding control instruction control
The charging-discharging device for accumulator battery reduces the charging current to multiple batteries or electric discharge electricity according to predetermined current decrement value
Stream, until when the charging current or the discharge current reach default minimum current value, the main control unit sends shutdown
The instruction control charging-discharging device for accumulator battery quits work.
2. battery energy monitoring system as claimed in claim 1, it is characterised in that the default minimum current value is less than
Or it is equal to the pre-set current value.
3. battery energy monitoring system as claimed in claim 1, it is characterised in that the energy hole and detection means
Including control module and multiple DC/DC charging modules；
The control module is connected with the power supply and the main control unit, and the control module is for according to the main control
The control instruction that device sends controls the plurality of DC/DC charging modules according to preset voltage value and pre-set current value to described many
Each batteries in individual batteries are charged control, and will be every acquired in the plurality of DC/DC charging modules
The power status information of the cell batteries in one batteries feeds back to the main control unit；
The plurality of DC/DC charging modules are connected with the control module, the quantity of the plurality of DC/DC charging modules with it is described
Energy hole is identical with the quantity of the cell batteries in the batteries corresponding to detection means, and the plurality of DC/DC charges
Each DC/DC charging module in module is connected correspondingly with the cell batteries in batteries respectively, each
The positive polarity of DC/DC charging modules and electric current positive pole connect the positive pole of cell batteries, described each DC/DC charging module
Voltage negative pole and electric current negative pole connect cell batteries negative pole, the positive polarity of each DC/DC charging module and
Voltage negative pole for detecting to the magnitude of voltage of cell batteries, the electric current positive pole of each DC/DC charging module and
Electric current negative pole for detecting to the current value of cell batteries, the temperature detection end of each DC/DC charging module
It is connected with cell batteries, the temperature detection end of each DC/DC charging module is used for the temperature for detecting cell batteries
Value.
4. battery energy monitoring system as claimed in claim 3, it is characterised in that the main control unit includes master control
Device processed and display；
The master controller and the control module, the charging-discharging device for accumulator battery, the battery management system and described
Power supply connects, the master controller for according to the power status information acquired in the plurality of energy hole and detection means to
The charging-discharging device for accumulator battery sends control instruction, and by the power status information acquired in the battery management system with
The plurality of energy hole is contrasted with the power status information acquired in detection means, when it is described to ratio error exceed it is described
When the number of times of default error threshold reaches the preset limit value, then for current monolithic battery send alarm command and/or
Control energy hole corresponding with the current monolithic battery is stopped with detection means and the charging-discharging device for accumulator battery
Only work；
The display is connected with the master controller and the power supply, the display for by the plurality of energy hole with
The alarm command display report that power status information acquired in detection means is shown and sent according to the master controller
Alarming information.
5. battery energy monitoring system as claimed in claim 4, it is characterised in that the main control unit also includes sound
Light alarm module, the sound and light alarm module are connected with the master controller and the power supply, and the sound and light alarm module is used for
Sound and light alarm is carried out according to the alarm command that the master controller sends.
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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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| CN104113090B true 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 |
| 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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| CN101800341B (en) * | 2010-04-09 | 2012-10-03 | 中国科学院电工研究所 | Lithium-ion battery monomer balancer |
| 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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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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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
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. |