CN209561572U - A kind of energy-accumulating power station monitoring system based on wireless transmission - Google Patents

A kind of energy-accumulating power station monitoring system based on wireless transmission Download PDF

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Publication number
CN209561572U
CN209561572U CN201920633287.XU CN201920633287U CN209561572U CN 209561572 U CN209561572 U CN 209561572U CN 201920633287 U CN201920633287 U CN 201920633287U CN 209561572 U CN209561572 U CN 209561572U
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single battery
mould group
power station
energy
connects
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CN201920633287.XU
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赵向荣
王志刚
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Jiangsu Yuanrui New Energy Technology Co Ltd
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Jiangsu Yuanrui New Energy Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The energy-accumulating power station monitoring system based on wireless transmission that the utility model discloses a kind of, it is related to electrochemical energy storage power station field, each single battery in the energy-accumulating power station monitoring system is equipped with data acquisition transmission mould group on conventional single battery ontology, identical wireless transmit/receive units are both provided in data acquisition transmission mould group and battery management system, so that single battery can be communicated with battery management system based on wireless transmission mechanism foundation;The data acquisition transmission mould group of each single battery is directly by single battery ontology powered operation, can acquire the operation datas such as voltage, electric current and the temperature of single battery ontology in the process of running and by the wireless communication transmissions between battery management system to battery management system to carrying out condition monitoring, the system is based on wireless transmission mechanism, wiring difficulty and maintenance difficulties can be reduced, improve system effectiveness, and condition monitoring to single battery level-one may be implemented, monitoring is more comprehensively.

Description

A kind of energy-accumulating power station monitoring system based on wireless transmission
Technical field
The utility model relates to electrochemical energy storage power station field, especially a kind of energy-accumulating power station monitoring based on wireless transmission System.
Background technique
With the rapid development of energy storage technology, extensive energy-accumulating power station has become a weight of electric system reliable power supply Means are wanted, wherein electrochemical energy storage power station is because its unique performance becomes the direction first developed.Electrochemical energy storage power station is logical It crosses a large amount of single battery and carries out charge and discharge to provide electric power output, so the principal risk of power station operation is voltage, electric current Risk, in order to monitor the various states of single battery, way traditional at present is: with a certain number of single batteries for an electricity Pond group is acquired the operation data of battery pack by the way of sensor+CAN bus and is transferred to battery management system (BMS).This There are the following problems for kind way: (1) considerably increasing the harness quantity in system using cable transport mechanism, reduce system effectiveness And increase the difficulty of structure design, it is maintainable poor;(2) condition monitoring of voltage and current is for multiple single batteries at present The battery pack of composition, without accomplishing single battery level-one, therefore it cannot achieve the voltage to each single battery, electric current Risk monitoring and control.
Utility model content
The present inventor regarding to the issue above and technical need, proposes a kind of energy-accumulating power station monitoring system based on wireless transmission System, the energy-accumulating power station monitoring system are based on wireless transmission mechanism, it is possible to reduce wiring difficulty and maintenance difficulties improve system effect Rate, and the condition monitoring to single battery level-one may be implemented.
The technical solution of the utility model is as follows:
A kind of energy-accumulating power station monitoring system based on wireless transmission, which includes battery management system And single battery:
Battery management system includes connected processor and wireless transmit/receive units;Each single battery includes single battery sheet Body and the data being arranged on single battery ontology acquisition transmission mould group, data acquisition transmission mould group includes main control unit, electricity Acquisition Circuit, temperature sensor, wireless transmit/receive units and power supply unit are pressed, the input terminal of voltage collection circuit connects single battery Pole, the output end of ontology connect main control unit, and temperature sensor is arranged on single battery ontology and connects main control unit, nothing Line Transmit-Receive Unit connects main control unit, and pole, the output end of the input terminal connection single battery ontology of power supply unit connect master control Unit, voltage collection circuit, temperature sensor and wireless transmit/receive units are powered;The wireless transmit/receive units of each single battery Wireless communication connection is established by unit with the wireless receiving and dispatching of battery management system.
Its further technical solution is, in the wireless transmit/receive units and battery management system in each single battery Wireless transmit/receive units are all made of Zigbee Transmit-Receive Unit, and each Zigbee Transmit-Receive Unit includes Zigbee transmitting-receiving mould group and plate day Line, Zigbee receive and dispatch mould group and use EFR32MG1B series mould group, and plate antenna uses inverse-F antenna, and the feed point of plate antenna connects The RF_IOP pin of Zigbee transmitting-receiving mould group, the RF_ION pin of grounding point connection Zigbee transmitting-receiving mould group are simultaneously grounded.
Its further technical solution is that the main control unit of the data acquisition transmission mould group in each single battery uses C8051020 single-chip microcontroller, temperature sensor use SHT21 sensor.
Its further technical solution is that the power supply unit of the data acquisition transmission mould group in each single battery includes filter The input terminal of wave conversion circuit and voltage regulator circuit, filtering transformation circuit connects single battery ontology as the input terminal of power supply unit Pole, filtering transformation circuit output end connection voltage regulator circuit input terminal, the output end of voltage regulator circuit is as power supply unit Output end connect main control unit;The input terminal of filtering transformation circuit connects the anode of anti-reverse diode, anti-reverse diode Cathode connection filtering transformation circuit output end, the input terminal of filtering transformation circuit also pass through TVS pipe be grounded;Voltage regulator circuit base In LM2576 switching regulator.
Its further technical solution, which is that the processor in battery management system uses, is based on ARM Cortex-A7 kernel I.MX6ULL processor.
The advantageous effects of the utility model are:
The energy-accumulating power station monitoring system based on wireless transmission that this application discloses a kind of, in the energy-accumulating power station monitoring system Each single battery is equipped with data acquisition transmission mould group, the data in each single battery on conventional single battery ontology Identical wireless transmit/receive units are both provided in acquisition transmission mould group and battery management system, so that single battery and electricity Pond management system can establish wireless communication based on wireless transmission mechanism;The data acquisition transmission mould group of each single battery is direct By single battery ontology powered operation, the fortune such as voltage, electric current and the temperature of single battery ontology in the process of running can be acquired Row data simultaneously carry out condition monitoring to battery management system by the wireless communication transmissions between battery management system, should System is based on wireless transmission mechanism, it is possible to reduce wiring difficulty and maintenance difficulties improve system effectiveness, and may be implemented to list The condition monitoring of body battery level-one, monitoring is more comprehensively.
Detailed description of the invention
Fig. 1 is the system architecture diagram of the energy-accumulating power station monitoring system disclosed in the present application based on wireless transmission.
Fig. 2 is the circuit structure diagram of the data acquisition transmission mould group in each single battery.
Fig. 3 is the circuit diagram of the voltage collection circuit in the data acquisition transmission mould group of each single battery.
Fig. 4 is the circuit diagram of the wireless transmit/receive units in the data acquisition transmission mould group of each single battery.
Fig. 5 is the circuit of the filtering transformation circuit of the power supply unit in the data acquisition transmission mould group of each single battery Figure.
Fig. 6 is the circuit diagram of the power supply unit in battery management system.
Specific embodiment
Specific embodiments of the utility model will be further explained with reference to the accompanying drawing.
The energy-accumulating power station monitoring system based on wireless transmission that this application discloses a kind of, referring to FIG. 1, the energy-accumulating power station is supervised Control system mainly includes battery management system 1 and single battery 2, and the quantity of single battery 2 is usually more in the system, than if any It is hundreds of.Each single battery 2 includes single battery ontology 21 and the data being arranged on the single battery ontology 21 acquisition Mould group 22 is transmitted, single battery ontology 21 is conventional single battery component.Referring to FIG. 2, the number in each single battery 2 It include main control unit, voltage collection circuit, temperature sensor and wireless transmit/receive units, main control unit point according to acquisition transmission mould group 22 It Lian Jie not voltage collection circuit, temperature sensor and wireless transmit/receive units.Wherein, main control unit uses C8051020 single-chip microcontroller. Temperature sensor uses SHT21 sensor, and temperature sensor is arranged on single battery ontology 21 and for acquiring single battery The temperature simulation amount of ontology 21, and the temperature simulation amount of acquisition is sent into main control unit, SHT21 temperature sensing by IIC interface 0~100%RH of the normal measurement range relative humidity of device, error ± 2%RH, temperature -40~125 DEG C, error ± 0.3 DEG C.Voltage The circuit diagram of Acquisition Circuit after input terminal VBAT connection the resistance R1 and R2 of voltage collection circuit referring to FIG. 3, be grounded, capacitor C1 The both ends of resistance R2 are connected in parallel on, resistance R1 connects the non-inverting input terminal of operational amplifier, operation amplifier with the common end of resistance R2 The output end of device connects inverting input terminal, and the output end of operational amplifier passes through the output end of resistance R3 connection voltage collection circuit The output end VOLT of VOLT, voltage collection circuit are grounded by capacitor C2, and the operational amplifier in the application uses MCP607.Electricity The pole of the input terminal VBAT connection single battery ontology 21 of Acquisition Circuit is pressed to acquire the voltage of single battery ontology 21, electricity The output end VOLT connection main control unit of Acquisition Circuit is pressed, the voltage of the single battery ontology 21 of voltage collection circuit acquisition is Between 2.8V-3.2V, voltage linear is transformed between 1.5V-1.8V by electric resistance partial pressure, difference amplifier, is sent directly into master control The channel DA of unit is acquired.Wireless transmit/receive units use Zigbee Transmit-Receive Unit, including Zigbee transmitting-receiving mould group and plate system Antenna, Zigbee receive and dispatch mould group and use EFR32MG1B series mould group, and plate antenna AT1 uses inverse-F antenna, referring to FIG. 4, plate RF_IOP pin, the grounding point connection Zigbee of the feed point connection Zigbee transmitting-receiving mould group of antenna AT1 processed receive and dispatch the RF_ of mould group ION pin is simultaneously grounded.Referring to FIG. 2, data acquisition transmission mould group 22 also typically includes external storage FLASH, usually The external FLASH of 64MB, main control unit connect the storage that FLASH carries out data by EBI bus.
Data acquisition transmission mould group 22 further includes power supply unit, and power supply unit is not shown in Fig. 2, and the input terminal of power supply unit connects Pole, the output end of order body battery body 21 connect main control unit, voltage collection circuit, temperature sensor, wireless receiving and dispatching list The data acquisition transmission mould group 22 such as member and FLASH is powered with electrical component, namely in this application, in single battery 2 The power supply of data acquisition transmission mould group 22 is directly provided by single battery ontology 21.Power supply unit includes filtering transformation circuit and steady Volt circuit, the input terminal of filtering transformation circuit connect the pole of single battery ontology 21 as the input terminal of power supply unit, filtering The input terminal of the output end connection voltage regulator circuit of translation circuit, the output end of voltage regulator circuit are connected as the output end of power supply unit Main control unit, the 3.3V voltage that single battery ontology 21 exports is after filtering transformation circuit is filtered transformation using pressure stabilizing Circuit progress steady pressure treatment is then output to data acquisition transmission each of mould group 22 and is powered with electrical component.Filtering transformation electricity The circuit diagram on road is referring to FIG. 5, the input terminal IN of filtering transformation circuit connects the anode of anti-reverse diode D1, anti-reverse two pole The output end OUT of the cathode connection filtering transformation circuit of pipe D1, the input terminal IN of filtering transformation circuit also pass through TVS pipe D2 and connect Ground, the filtering transformation circuit add at power supply anti-reverse diode D1 can be effectively prevented assembly reversal connection power supply line system is caused Damage, input terminal be added TVS pipe D2 can be absorbed power supply when being interfered and relay be closed with disconnect moment The spike of generation.Voltage regulator circuit is based on LM2576 switching regulator, and LM2576 switching regulator drives with the load of 3A Ability, built-in frequency compensation and rated frequency oscillator, output voltage error range ± 4%.
Referring to FIG. 1, battery management system 1 includes connected processor and wireless transmit/receive units, in this application, processing Device uses the i.MX6ULL processor based on ARM Cortex-A7 kernel, the structure of wireless transmit/receive units and each single battery 2 In wireless transmit/receive units structure it is identical, the application repeats no more.Likewise, processor can be outer by the connection of EBI bus It sets FLASH and carries out storage extension.Power-supply management system 1 further includes power supply unit, and Fig. 1 is also not shown in power-supply management system 1 Power supply unit, the circuit diagram of the power supply unit in power-supply management system 1 is referring to FIG. 6, the power supply unit of power-supply management system 1 is adopted It with 12V power supply adaptor, is powered using industrial socket, external 12V ± 2%/1A~2A power supply adaptor J1,12V warp Thermistor RT1, anti-reverse diode D1, by DC-DC convert and voltage regulator circuit after output relevant voltage be processor with Wireless transmit/receive units power supply, wherein DC-DC conversion uses MP1482 chip, and voltage regulator circuit uses SPX1117M3-L-3.3.
In energy-accumulating power station monitoring system disclosed in the present application, the wireless transmit/receive units and cell tube of each single battery 2 The wireless transmit/receive units of reason system 1 establish wireless communication connection, the data acquisition transmission mould group that each single battery 2 passes through itself The operation datas such as voltage, electric current and the temperature of 22 acquisitions itself, are then sent to electricity for operation data by wireless transmit/receive units Pond management system 1 reduces wiring difficulty and maintenance difficulties based on wireless transmission mechanism, improves system effectiveness, and can be with Realize the condition monitoring to single battery level-one.
Above-described is only the preferred embodiment of the application, and the utility model is not limited to above embodiments.It can manage Solution, those skilled in the art do not depart from the utility model spirit and design under the premise of directly export or associate other Improvements and changes are considered as being included within the scope of protection of this utility model.

Claims (5)

1. a kind of energy-accumulating power station monitoring system based on wireless transmission, which is characterized in that the energy-accumulating power station monitoring system includes Battery management system and single battery:
The battery management system includes connected processor and wireless transmit/receive units;Each single battery includes monomer electricity Pond ontology and the data being arranged on single battery ontology acquisition transmission mould group, the data acquisition transmission mould group include Main control unit, voltage collection circuit, temperature sensor, wireless transmit/receive units and power supply unit, the voltage collection circuit it is defeated Enter end and connect the pole of the single battery ontology, the output end connection main control unit, the temperature sensor is arranged in institute The main control unit is stated on single battery ontology and connects, the wireless transmit/receive units connect the main control unit, the power supply The input terminal of unit connects the pole of the single battery ontology, output end connects the main control unit, voltage collection circuit, temperature Degree sensor and wireless transmit/receive units are powered;The wireless transmit/receive units of each single battery and the battery management system The wireless receiving and dispatching of system establishes wireless communication connection by unit.
2. energy-accumulating power station monitoring system according to claim 1, which is characterized in that wireless in each single battery Wireless transmit/receive units in Transmit-Receive Unit and the battery management system are all made of Zigbee Transmit-Receive Unit, and each Zigbee is received Bill member includes Zigbee transmitting-receiving mould group and plate antenna, and the Zigbee transmitting-receiving mould group uses EFR32MG1B series mould group, institute Plate antenna is stated using inverse-F antenna, the feed point of the plate antenna connects the RF_IOP pin of the Zigbee transmitting-receiving mould group, connects Place connects the RF_ION pin of the Zigbee transmitting-receiving mould group and is grounded.
3. energy-accumulating power station monitoring system according to claim 1 or 2, which is characterized in that in each single battery The main control unit of data acquisition transmission mould group uses SHT21 sensor using C8051020 single-chip microcontroller, temperature sensor.
4. energy-accumulating power station monitoring system according to claim 1 or 2, which is characterized in that in each single battery The power supply unit of data acquisition transmission mould group includes filtering transformation circuit and voltage regulator circuit, the input terminal of the filtering transformation circuit Input terminal as said supply unit connects the pole of the single battery ontology, and the output end of the filtering transformation circuit connects The input terminal of the voltage regulator circuit is connect, the output end of the voltage regulator circuit connects the master as the output end of said supply unit Control unit;The input terminal of the filtering transformation circuit connects the anode of anti-reverse diode, the cathode of the anti-reverse diode The output end of the filtering transformation circuit is connected, the input terminal of the filtering transformation circuit is also grounded by TVS pipe;The pressure stabilizing Circuit is based on LM2576 switching regulator.
5. energy-accumulating power station monitoring system according to claim 1 or 2, which is characterized in that in the battery management system Processor uses the i.MX6ULL processor based on ARM Cortex-A7 kernel.
CN201920633287.XU 2019-05-06 2019-05-06 A kind of energy-accumulating power station monitoring system based on wireless transmission Active CN209561572U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113363602A (en) * 2021-05-24 2021-09-07 冯凯 Battery module and battery management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113363602A (en) * 2021-05-24 2021-09-07 冯凯 Battery module and battery management system

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