CN210894630U - Dynamic monitoring system for multiple groups of batteries - Google Patents
Dynamic monitoring system for multiple groups of batteries Download PDFInfo
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- CN210894630U CN210894630U CN201921616068.7U CN201921616068U CN210894630U CN 210894630 U CN210894630 U CN 210894630U CN 201921616068 U CN201921616068 U CN 201921616068U CN 210894630 U CN210894630 U CN 210894630U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 62
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- 230000003993 interaction Effects 0.000 claims abstract description 18
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- 238000005259 measurement Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 15
- 238000009529 body temperature measurement Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
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Abstract
The utility model discloses a multiunit battery dynamic monitoring system, the system includes a plurality of battery cell detection module of telecommunication connection, a plurality of unit detection module, a monitoring host and human-computer interaction unit, every battery cell detection module detects and gathers the voltage that corresponds a battery cell, internal resistance and temperature, every unit detection module detects and gathers the voltage of the group battery of a unit, electric current and temperature are carried the data acquisition for the monitoring host, the monitoring host receives the information of unit detection module and human-computer interaction unit and realizes the state acquisition to the battery, the surplus electric quantity estimation, the thermal management of group battery, uniformity compensation, charge-discharge management, failure diagnosis and warning and information interaction. Through the system, charging and discharging intelligent monitoring, management, fault alarm and processing of a plurality of groups of at most 440 single batteries can be simultaneously realized, high-efficiency intelligent monitoring of large-batch batteries is realized, and the high efficiency and safety stability of charging and discharging are ensured.
Description
Technical Field
The utility model relates to a battery management technique especially relates to a multiunit battery dynamic monitoring system.
Background
The battery management system BMS is an important technology for battery management, and as rechargeable batteries are increasingly used, the technology for battery management is particularly important, and the current management systems only perform single-unit or single-group monitoring on battery voltage, current and/or temperature, and cannot realize large-batch real-time monitoring and man-machine interaction regulation. Therefore, an intelligent monitoring and management technology for a plurality of groups of batteries in large batch is urgently needed to meet the development and the needs of the current rechargeable batteries. Monitoring early warning instrument designed for monitoring battery state
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a multiunit battery dynamic monitoring system, which can solve the problem that dynamic monitoring can not be carried out for large batches or multiunit batteries.
Functional description of system design
① real-time collecting battery running state parameter
And collecting the voltage, the temperature, the charging and discharging current, the total voltage of the battery pack, the insulation state of the battery pack and the like in the battery pack in real time.
② SOC estimation of battery
The remaining electric quantity (State Of Charge) Of the storage battery refers to the electric quantity currently stored by the battery, is one Of the main parameters Of the battery State, and accurately estimates the SOC Of the battery pack, so that the high-efficiency and safe use Of the battery can be guaranteed by forecasting at any time.
③ Battery pack thermal management
The temperature at which the battery operates affects its performance, limited by the characteristics of the battery itself. The battery pack thermal management system maintains the battery temperature within a normal operating temperature range by measuring the battery pack temperature and controlling the cooling and heating system.
④ consistency compensation
The uniformity and balance of each battery in the battery pack are the core of the serial application of the batteries, and the uniformity and balance directly influence the use safety and efficiency of the battery pack. The system evaluates the consistency of the batteries in the battery pack according to the battery state parameters obtained through monitoring and calculation, and meanwhile, when the consistency of the batteries is not good, the batteries are balanced through the system.
⑤ Charge and discharge management
When the battery is in use, the charging voltage and the charging current are controlled to charge the battery when the battery capacity is too low, and the charging is limited when the battery capacity is too high.
⑥ failure diagnosis and alarm
And in the use process of the battery, the system judges the battery exceeding the operation limit value in the battery pack according to the battery state parameters obtained by monitoring and calculation and gives an alarm.
⑦ information interaction
The information transmission of the user is realized among all modules of the system through a CAN bus, and information interaction CAN also be realized by utilizing RS 485.
Technical scheme
The utility model provides a multiunit battery dynamic monitoring system, the system includes a plurality of battery cell detection module, a plurality of unit detection module, a monitoring host computer and the human-computer interaction unit of telecommunication connection, every battery cell detection module detects and gathers voltage, internal resistance and the temperature that corresponds a battery cell, every the voltage, electric current and the temperature of the group battery of a unit are detected and gathered and data transmission gives the monitoring host computer with gathering to the unit detection module, the monitoring host computer receives the information of unit detection module and human-computer interaction unit and realizes the state collection, the surplus electric quantity estimation of battery, the thermal management of group battery, uniformity compensation, charge-discharge management, failure diagnosis and warning and information interaction.
Preferably, the single battery detection module is attached to the shell of the single battery and detects the temperature of the pole of the single battery, and the single battery detection module adopts an analog-to-digital converter and a phase-locked amplifier to perform online measurement on the internal resistance of the single battery.
Preferably, the single battery detection module is internally provided with a discharge resistor corresponding to the single battery, and the consistency compensation of the single battery is realized under the control of the monitoring host.
Preferably, the single battery detection module comprises measurement specifications aiming at different internal resistances and voltage values, the minimum internal resistance measurement precision is 3% FS, the minimum voltage measurement precision is 0.1% FS, the temperature measurement range is 0-60 ℃, the temperature measurement precision is +/-0.5 ℃, and a passive serial communication mode is adopted.
Preferably, the unit detection module adopts a temperature probe to detect the temperature of the battery unit, adopts a guide rail to be installed on one side of the battery unit, and realizes the on-off control of the cooling and heating system of the battery unit under the control of the monitoring host.
Preferably, the current measurement precision of the unit detection module is 0.5% FS +/-0.5A, the voltage measurement precision is 0.5% FS +/-0.5V, the temperature measurement precision is +/-1.0 ℃, and an RS485 communication mode is adopted.
Preferably, the monitoring host adopts an MODBUS-RTU or MODBUS-TCPIP communication protocol, the communication parameters are 9600-8-N-1, and the touch display shell of the monitoring host is installed through an embedded buckle.
Preferably, the monitoring host displays the voltage, the current, the temperature and the capacity of the battery unit, an alarm unit is arranged, the current voltage, the current and the temperature of each single battery are displayed through different color-changing histograms, the internal resistance data of each single battery within one year are displayed through a curve graph, and the alarm unit judges the state of the battery pack or the single battery with the fault that the battery unit exceeds the operation limit value according to the battery state parameters and gives an alarm.
Preferably, the fault processing comprises a voltage detection fault, a temperature detection fault, a current detection fault, a total voltage detection fault, a control fault and a communication fault of the detection module, and the single battery operation state faults can be divided into overvoltage faults, undervoltage faults, overlarge differential pressure, overhigh temperature, overlow temperature, overlarge differential temperature, overlarge current and insulation faults.
Preferably, 440 single battery detection modules are provided, and 4 unit detection modules are provided, so as to detect 440 single batteries.
Preferably, the human-computer interaction unit comprises a remote control computer and/or a personal mobile phone matched with system software.
Compared with the prior art, the beneficial effects of the utility model reside in that: through the system, charging and discharging intelligent monitoring, management, fault alarm and processing of a plurality of groups of at most 440 single batteries can be simultaneously realized, high-efficiency intelligent monitoring of large-batch batteries is realized, and the high efficiency and safety stability of charging and discharging are ensured.
Drawings
Fig. 1 is a schematic diagram of a multi-battery dynamic monitoring system according to the present invention;
fig. 2 is a functional schematic diagram of a monitoring system.
In the figure: 100. a single battery detection module; 200. a unit detection module; 300. monitoring the host; 400. and a man-machine interaction unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a multi-battery dynamic monitoring system includes a plurality of single battery detection modules 100, a plurality of unit detection modules 200, a monitoring host 300 and a human-computer interaction unit 400 which are connected by telecommunication.
Each single battery detection module 100 detects and collects the voltage, the internal resistance and the temperature of a corresponding single battery, each unit detection module 200 detects and collects the voltage, the current and the temperature of a battery pack of one unit and transmits the collected data to the monitoring host computer 300, and the monitoring host computer 300 receives the information of the unit detection modules 200 and the human-computer interaction unit 400 and realizes the state collection, the residual electric quantity SOC estimation, the heat management of the battery pack, the consistency compensation, the charge-discharge management, the fault diagnosis, the alarm and the information interaction of the battery.
In one embodiment, the battery cell inspection module 100 includes two models of BMU01A and BMU02A, the unit inspection module 200 is BMU03A, and the monitoring host 300 is BMU07A or BMU 07E.
The single battery detection module 100 is attached to a shell of the single battery and detects the temperature of a pole of the single battery, and the single battery detection module 100 adopts an analog-to-digital converter and a phase-locked amplifier to perform online measurement on the internal resistance of the single battery.
The battery cell detection module 100 is internally provided with an integrated discharge resistor corresponding to the battery cell, and the consistency compensation of the battery cell is realized under the control of the monitoring host 300.
The single battery detection module 100 comprises measurement specifications aiming at different internal resistances and voltage values, wherein the minimum internal resistance measurement precision is 3% FS, the minimum voltage measurement precision is 0.1% FS, the temperature measurement range is 0-60 ℃, the temperature measurement precision is +/-0.5 ℃, and a passive serial communication mode is adopted.
The unit detection module 200 detects the temperature of the battery unit by using a temperature probe, is mounted on one side of the battery unit by using a guide rail, and controls the cooling and heating systems of the battery unit to be turned on and off under the control of the monitoring host 300.
The current measurement precision of the unit detection module 200 is 0.5% FS + -0.5A, the voltage measurement precision is 0.5% FS + -0.5V, the temperature measurement precision is + -1.0 ℃, and an RS485 communication mode is adopted.
The monitoring host 300 adopts a MODBUS-RTU or MODBUS-TCPIP communication protocol, the communication parameters are 9600-8-N-1, and the touch display shell of the monitoring host 300 is installed through an embedded buckle.
The monitoring host 300 displays the voltage, the current, the temperature and the capacity of the battery unit, sets an alarm unit, displays the current voltage, the current and the temperature of each single battery through different color-changing histograms, displays the internal resistance data of each single battery within one year by a curve chart, and makes state judgment and gives an alarm to the battery pack or the single battery with the fault that the battery unit exceeds the operation limit value according to the battery state parameters.
In an embodiment, the specific specification parameters of the cell detection module 100 and the cell detection module 200 are shown in table 1, and the specific specification of the monitoring host 300 is shown in table 2.
The fault processing comprises voltage detection faults, temperature detection faults, current detection faults, total voltage detection faults, control faults and communication faults of the detection module, and the single battery running state faults can be divided into overvoltage faults, undervoltage faults, overlarge differential pressure, overhigh temperature, overlow temperature, overlarge differential temperature, overlarge current and insulation faults.
The monitoring host 300 has the functions of displaying and alarming the voltage, the current, the temperature and the capacity of the battery pack, and supports Chinese and English language setting; the function of historical faults is supported, and the faults are stored in the historical faults after the alarm conditions disappear; and displaying the current voltage, internal resistance and temperature data of the single battery in the form of a color-changing histogram. The healthy battery is a green bar chart, the color of the bar chart closer to the alarm value is closer to red, and the maintenance personnel can conveniently judge the battery state according to the color; the internal resistance data of the single battery within 1 year is displayed in a curve form, so that the internal resistance change trend is conveniently checked; the highest historical data of the voltage, the internal resistance and the temperature of the single battery are displayed in a bar chart form, so that the battery with problems can be found more easily; the monitoring host is a battery data convergence module, is a battery pack voltage, current and temperature collector, integrates a battery pack voltage, current and temperature collecting circuit in the module, and provides data collection and balance management functions of the single battery detection module and the unit detection module.
440 single battery detection modules 100 and 4 unit detection modules 200 are provided, so that 440 single batteries are detected.
The human-computer interaction unit 400 comprises a remote control computer and/or a personal handset matched with system software.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The utility model provides a multiunit battery dynamic monitoring system, the system includes a plurality of battery cell detection module (100), a plurality of unit detection module (200), a monitoring host computer (300) and man-machine interaction unit (400) of telecommunication connection, its characterized in that: each single battery detection module (100) detects and acquires the voltage, the internal resistance and the temperature of a corresponding single battery, each unit detection module (200) detects and acquires the voltage, the current and the temperature of a battery pack of one unit and transmits the acquired data to the monitoring host (300), and the monitoring host (300) receives the information of the unit detection module (200) and the human-computer interaction unit (400) and realizes the state acquisition, the residual electric quantity estimation, the thermal management of the battery pack, the consistency compensation, the charge-discharge management, the fault diagnosis, the alarm and the information interaction of the battery.
2. The monitoring system of claim 1, wherein: the single battery detection module (100) is attached to a shell of the single battery and detects the pole temperature of the single battery, and the single battery detection module (100) adopts an analog-to-digital converter and a phase-locked amplifier to perform online measurement on the internal resistance of the single battery.
3. The monitoring system according to claim 1 or 2, wherein: the single battery detection module (100) is internally provided with an integrated discharge resistor corresponding to the single battery, and the consistency compensation of the single battery is realized under the control of the monitoring host (300).
4. The monitoring system of claim 3, wherein: the single battery detection module (100) comprises measurement specifications aiming at different internal resistances and voltage values, wherein the minimum internal resistance measurement precision is 3% FS, the minimum voltage measurement precision is 0.1% FS, the temperature measurement range is 0-60 ℃, the temperature measurement precision is +/-0.5 ℃, and a passive serial communication mode is adopted.
5. The monitoring system of claim 1, wherein: the unit detection module (200) adopts a temperature probe to realize temperature detection on the battery unit, adopts a guide rail to be installed on one side of the battery unit, and realizes the on-off control of a cooling and heating system of the battery unit under the control of the monitoring host (300).
6. The monitoring system according to claim 1 or 5, wherein: the current measurement precision of the unit detection module (200) is 0.5% FS +/-0.5A, the voltage measurement precision is 0.5% FS +/-0.5V, the temperature measurement precision is +/-1.0 ℃, and an RS485 communication mode is adopted.
7. The monitoring system of claim 1, wherein: the monitoring host (300) adopts an MODBUS-RTU or MODBUS-TCPIP communication protocol, the communication parameters are 9600-8-N-1, and a touch display shell of the monitoring host (300) is installed through an embedded buckle.
8. The monitoring system of claim 1 or 7, wherein: the monitoring host (300) displays the voltage, the current, the temperature and the capacity of the battery unit, an alarm unit is arranged, the current voltage, the current and the temperature of each single battery are displayed through different color-changing histograms, the internal resistance data of each single battery within one year are displayed through a curve graph, and the alarm unit judges the state of the battery pack or the single battery with the fault that the battery unit exceeds the operation limit value according to the battery state parameters and gives an alarm.
9. The monitoring system of claim 8, wherein: the fault processing comprises voltage detection faults, temperature detection faults, current detection faults, total voltage detection faults, control faults and communication faults of the detection module, and the single battery running state faults can be divided into overvoltage faults, undervoltage faults, overlarge differential pressure, overhigh temperature, overlow temperature, overlarge differential temperature, overlarge current and insulation faults.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921616068.7U CN210894630U (en) | 2019-09-26 | 2019-09-26 | Dynamic monitoring system for multiple groups of batteries |
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| CN201921616068.7U CN210894630U (en) | 2019-09-26 | 2019-09-26 | Dynamic monitoring system for multiple groups of batteries |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254815A (en) * | 2020-08-28 | 2021-01-22 | 华电电力科学研究院有限公司 | Electrochemical energy storage station temperature monitoring system based on three-dimensional infrared imaging temperature measurement |
| CN112505553A (en) * | 2020-12-31 | 2021-03-16 | 国网河南省电力公司南阳供电公司 | Online monitoring system for lead-acid storage battery |
| CN112737042A (en) * | 2020-12-30 | 2021-04-30 | 上海歌诺助航灯光技术有限公司 | Intelligent management system and method for UPS battery |
| CN112904201A (en) * | 2021-01-05 | 2021-06-04 | 浙江工业大学 | Real-time online evaluation system and method for charging and discharging processes of energy storage battery |
| CN115439999A (en) * | 2022-09-14 | 2022-12-06 | 亚光科技集团股份有限公司 | Battery safety alarm system of electric yacht and battery replacement method |
| CN115693848A (en) * | 2022-10-25 | 2023-02-03 | 林源电力(南京)有限公司 | BMS battery management remote monitoring device |
| CN115951249A (en) * | 2023-02-16 | 2023-04-11 | 航科院中宇（北京）新技术发展有限公司 | Battery state monitoring method and system, electronic equipment and storage medium |
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2019
- 2019-09-26 CN CN201921616068.7U patent/CN210894630U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254815A (en) * | 2020-08-28 | 2021-01-22 | 华电电力科学研究院有限公司 | Electrochemical energy storage station temperature monitoring system based on three-dimensional infrared imaging temperature measurement |
| CN112737042A (en) * | 2020-12-30 | 2021-04-30 | 上海歌诺助航灯光技术有限公司 | Intelligent management system and method for UPS battery |
| CN112505553A (en) * | 2020-12-31 | 2021-03-16 | 国网河南省电力公司南阳供电公司 | Online monitoring system for lead-acid storage battery |
| CN112904201A (en) * | 2021-01-05 | 2021-06-04 | 浙江工业大学 | Real-time online evaluation system and method for charging and discharging processes of energy storage battery |
| CN115439999A (en) * | 2022-09-14 | 2022-12-06 | 亚光科技集团股份有限公司 | Battery safety alarm system of electric yacht and battery replacement method |
| CN115439999B (en) * | 2022-09-14 | 2023-10-24 | 亚光科技集团股份有限公司 | Battery safety alarm system and battery replacement method for electric yacht |
| CN115693848A (en) * | 2022-10-25 | 2023-02-03 | 林源电力(南京)有限公司 | BMS battery management remote monitoring device |
| CN115951249A (en) * | 2023-02-16 | 2023-04-11 | 航科院中宇（北京）新技术发展有限公司 | Battery state monitoring method and system, electronic equipment and storage medium |
| CN115951249B (en) * | 2023-02-16 | 2023-08-18 | 航科院中宇（北京）新技术发展有限公司 | Battery state monitoring method, system, electronic equipment and storage medium |
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