CN217469513U - Real-time temperature control circuit for energy storage system - Google Patents
Real-time temperature control circuit for energy storage system Download PDFInfo
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- CN217469513U CN217469513U CN202221410562.XU CN202221410562U CN217469513U CN 217469513 U CN217469513 U CN 217469513U CN 202221410562 U CN202221410562 U CN 202221410562U CN 217469513 U CN217469513 U CN 217469513U
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Abstract
The utility model belongs to the technical field of energy storage system technique and specifically relates to a real-time temperature control circuit for energy storage system. A real-time temperature control circuit for an energy storage system comprises a battery module, an energy storage inverter, an LCD display screen, a temperature controller, a temperature sensor, a cooling exhaust fan and a heater. Compared with the prior art, the real-time temperature control circuit for the energy storage system is provided, real-time adjustment is carried out, and the power device and the battery module in the energy storage system can operate efficiently in an ideal temperature range all the time.
Description
Technical Field
The utility model belongs to the technical field of the energy storage system technique and specifically relates to a real-time temperature control circuit for energy storage system.
Background
When the energy storage system operates, because battery module and the many reasons of energy storage inverter power device can distribute out a large amount of heats to make the system be in the high temperature state, perhaps make system ambient temperature be in unusual low temperature state because extremely cold weather in winter, make the energy storage system be can make battery module receive the influence in the energy storage system under high temperature or the low temperature state for a long time, the electric energy of storage in the energy storage system battery module can reduce during for example the low temperature, the capacity of battery module reduces the scheduling problem during charging.
Therefore, the design of the regulating and controlling system for monitoring and controlling the temperature in real time is beneficial to monitoring the ambient temperature change in the operation process of the energy storage system and regulating in real time, so that the power device and the battery module in the energy storage system can operate efficiently in an ideal temperature range all the time.
Disclosure of Invention
The utility model discloses an overcome prior art not enough, provide a real-time temperature control circuit for energy storage system, adjust in real time, make power device and battery module among the energy storage system all the time efficient operation under the temperature range of ideal.
In order to realize the above purpose, a real-time temperature control circuit for an energy storage system is designed, which comprises a battery module, an energy storage inverter, an LCD display screen, a temperature controller, a temperature sensor, a cooling exhaust fan and a heater, and is characterized in that: one end of a port 1 of the temperature controller, one end of a first cooling exhaust fan and one end of a second cooling exhaust fan, one end of a first heater and one end of a second heater, and one end of a port 2, a port 3 and a port 5 of the temperature controller are connected with one end of a first circuit breaker in a combined mode, the other end of the first circuit breaker is connected with an L1 port in a LOAD-1 port of the energy storage inverter and an L2 port in a LOAD-1 port of the energy storage inverter respectively, and one end of a port 4 of the temperature controller is connected with the other ends of the first cooling exhaust fan and the second cooling exhaust fan respectively; one end of a No. 6 port of the temperature controller is connected with the other ends of the first heater and the second heater respectively, the other ends of a No. 3 port and a No. 4 port of the temperature controller are connected with a first normally open switch, and the other ends of a No. 5 port and a No. 6 port of the temperature controller are connected with a second normally open switch; the No. 7 port of the temperature controller is respectively connected with one end of the first temperature sensor and one end of the second temperature sensor, and the No. 8 port of the temperature controller is respectively connected with the other end of the first temperature sensor and the other end of the second temperature sensor; the 485A port of the energy storage inverter is connected with the 485B port of the LCD display screen, and the 485B port of the energy storage inverter is connected with the 485A port of the LCD display screen; the CAN2H port of the energy storage inverter is connected with the CAN2H port of the first battery module, and the CAN2L port of the energy storage inverter is connected with the CAN2L port of the first battery module; the BMU + port and the BMU-port of the energy storage inverter are respectively connected with a 0V voltage port and a 12V voltage port of the LCD display screen and one end of a second breaker, and the other end of the second breaker is respectively connected with a B + port and a B-port of the first battery module and a B + port and a B-port of the second battery module; the RSD port of the energy storage inverter is connected with an emergency stop switch; the CAN1H port and the CAN1L port of the battery module I are connected with the CAN1H port and the CAN1L port of the battery module II; the CAN2H port and the CAN2L port of the first battery module are connected with the CAN2H port and the CAN2L port of the second battery module.
And a BMU + port and a BMU-port of the energy storage inverter are connected with a 0V voltage port and a 12V voltage port of the LCD through a DC-DC power supply.
The model of the temperature controller is BF-D110A.
The model of the first battery module and the second battery module is BAT-16S.
The type of the first temperature sensor and the type of the second temperature sensor are 10K NTC.
The model of the LCD display screen is XG070LMQ 09C.
The type of energy storage inverter be P8 KLNA.
The model of the first cooling exhaust fan and the second cooling exhaust fan is SJ1225HA 1.
The first heater and the second heater are PTC electric heaters.
Compared with the prior art, the utility model, a provide a real-time temperature control circuit for energy storage system adjusts in real time, makes power device and battery module among the energy storage system all the time efficient operation under the temperature range of ideal.
Drawings
Fig. 1 is a schematic diagram of the circuit connection of the present invention.
Fig. 2 is a flow chart of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, one end of port No. 1 of the temperature controller 6, one end of the first cooling exhaust fan 2 and one end of the second cooling exhaust fan 3, one end of the first heater 4 and one end of the second heater 5, and one end of ports No. 2, 3 and 5 of the temperature controller 6 are jointly connected with one end of a first circuit breaker 10, the other end of the first circuit breaker 10 is respectively connected with an L1 port in a LOAD-1 port of the energy storage inverter 7 and an L2 port in a LOAD-1 port of the energy storage inverter 7, and one end of port No. 4 of the temperature controller 6 is respectively connected with the other ends of the first cooling exhaust fan 2 and the second cooling exhaust fan 3; one end of a No. 6 port of the temperature controller 6 is connected with the other ends of the first heater 4 and the second heater 5 respectively, the other ends of a No. 3 port and a No. 4 port of the temperature controller 6 are connected with a first normally open switch 15, and the other ends of a No. 5 port and a No. 6 port of the temperature controller 6 are connected with a second normally open switch 16; the No. 7 port of the temperature controller 6 is respectively connected with one ends of the first temperature sensor 9 and the second temperature sensor 13, and the No. 8 port of the temperature controller 6 is respectively connected with the other ends of the first temperature sensor 9 and the second temperature sensor 13; the 485A port of the energy storage inverter 7 is connected with the 485B port of the LCD display screen 1, and the 485B port of the energy storage inverter 7 is connected with the 485A port of the LCD display screen 1; the CAN2H port of the energy storage inverter 7 is connected with the CAN2H port of the battery module I12, and the CAN2L port of the energy storage inverter 7 is connected with the CAN2L port of the battery module I12; a BMU + port and a BMU-port of the energy storage inverter 7 are respectively connected with a 0V voltage port and a 12V voltage port of the LCD display screen 1 and one end of a second breaker 17, and the other end of the second breaker 17 is respectively connected with a B + port and a B-port of a first battery module 12 and a B + port and a B-port of a second battery module 14; the RSD port of the energy storage inverter 7 is connected with an emergency stop switch 8; the CAN1H port and the CAN1L port of the battery module I12 are connected with the CAN1H port and the CAN1L port of the battery module II 14; the CAN2H port and the CAN2L port of the battery module one 12 are connected with the CAN2H port and the CAN2L port of the battery module two 14.
The BMU + port and the BMU-port of the energy storage inverter 7 are connected with the 0V voltage port and the 12V voltage port of the LCD display screen 1 through a DC-DC power supply 11.
The temperature controller 6 is of type BF-D110A.
The model of the first battery module 12 and the second battery module 14 is BAT-16S.
The model of the first temperature sensor 9 and the second temperature sensor 13 is 10K NTC.
The LCD display screen 1 is model XG070LMQ 09C.
The model of the energy storage inverter 7 is P8 KLNA.
The model of the first cooling exhaust fan 2 and the second cooling exhaust fan 3 is SJ1225HA 1.
The first heater 4 and the second heater 5 are PTC electric heaters.
As shown in fig. 2, the working principle of the present invention is as follows:
firstly, a temperature controller 6: the temperature sensor 6 composed of NTC thermistors is used for automatically sampling and monitoring the environmental temperature in real time. When the ambient temperature reaches the high-temperature set value of 40 ℃ of the control circuit (which can be set according to the situation), the temperature controller 6 controls the circuit to start the cooling exhaust fans (the first cooling exhaust fan 2 and the second cooling exhaust fan 3) to operate, so as to achieve the purpose of cooling, and when the temperature drops below the set value, the control circuit is disconnected, so that the cooling exhaust fans (the first cooling exhaust fan 2 and the second cooling exhaust fan 3) stop operating; when the ambient temperature reaches the low-temperature set value of-10 ℃ of the control circuit (which can be set according to the situation), the temperature controller 6 controls the circuit to start to enable the heaters (the first heater 4 and the second heater 5) to operate, so as to achieve the purpose of temperature rise, and when the temperature rises above the set value, the control circuit is disconnected, so that the heaters (the first heater 4 and the second heater 5) stop operating.
II, temperature sensors (a first temperature sensor 9 and a second temperature sensor 13): the environmental temperature of the energy storage system is monitored, measured and collected in real time, and the NTC 10K thermistor is included. The temperature sensors (the first temperature sensor 9 and the second temperature sensor 13) are arranged in the energy storage system, collect the ambient temperature of the system and feed back to the temperature controller 6.
Thirdly, cooling exhaust fans (a first cooling exhaust fan 2 and a second cooling exhaust fan 3): the air exchange device is used for air exchange around the energy storage inverter 7 system, hot air is pumped away, indoor and outdoor air convection exchange is formed, and the purpose of gradually reducing the ambient temperature is achieved.
Fourthly, the energy storage inverter 7: the photovoltaic conversion system is used for inverting the direct current generated by the battery modules (the first battery module 12 and the second battery module 14) and the direct current converted from photovoltaic into alternating current for load use, or rectifying the alternating current supplied by a power grid into the direct current to be stored in the battery cells of the battery modules (the first battery module 12 and the second battery module 14).
Fifth, battery modules (battery module one 12 and battery module two 14): the intelligent battery pack comprises a master/slave control BMS module, wherein the master control module monitors a single battery (voltage, temperature and the like) and the whole battery pack (shell insulation performance, current and the like) in real time, receives all slave control information simultaneously, and is connected to a master control by using a CAN communication wire harness between the slave controls. The slave controllers carry out address distinguishing (E8.E 9.. EE.EF) in the program, all slave control information is collected and transmitted into the master control BMS, the master control BMS receives the slave control information and then sends the slave control information to the LCD display screen 1 to display corresponding data, if the slave controllers monitor that faults exist, the fault information is sent to the master control, the master control receives the slave control information and then carries out corresponding processing (current reduction, current limiting, relay disconnection and the like), and the system state and the battery information are sent to the LCD display screen 1 and the energy storage inverter 7 through CAN communication. The slave control modules are nearly independent and can independently complete voltage/temperature acquisition and fault detection functions, each group of modules is connected with a first string of total negative electrodes through a slave control BMS voltage acquisition line 1 in a negative mode, 1 is connected with a first string of positive electrodes through a positive electrode 1 and is connected with a second string of positive electrodes through a positive electrode 2, and the slave control modules are sequentially connected in such a way until voltage acquisition of one module is completed; the temperature acquisition is respectively arranged on the surfaces of the electric cores to finish the temperature acquisition. The voltage and temperature of each module are collected, and after the collection is completed, the information is transmitted to a master control for analysis through CAN communication and corresponding action is made for storage and supply of system electric energy.
Sixth, DC-DC power supply 11: and the direct current power supply provides a 12V stabilized power supply for the LCD display screen 1.
Seventhly, the circuit breaker I10: and a power switch for controlling the cooling exhaust fan (the first cooling exhaust fan 2 and the second cooling exhaust fan 3) and the heater (the first heater 4 and the second heater 5).
Eighth, heater (heater one 4 and heater two 5): the power supply is controlled by the temperature controller 6, and the resistance wire elements can be heated and heated by acting current on the resistance wire, so that the effect of gradual heating is achieved.
Ninth, CAN communication: the master-slave communication system allows a master-slave control mode. The method is used for communication parallel connection between the master control and the slave control of the battery, communication parallel connection between the PDU where the slave control and the master control are located and data transmission.
Ten, emergency stop switch 8: when the energy storage system is out of control, the power supply is cut off through the emergency stop switch 8, and the equipment stops running, so that the safety of personnel and equipment is protected.
The utility model discloses an energy storage temperature regulation and control system service environment: -20 ℃ to 60 ℃ and covers most extreme conditions. This energy storage temperature regulation and control system is equipped with the return difference and stops: when the ambient temperature falls (rises) to the return difference temperature setting range, the contact is disconnected, the purpose of disconnecting the circuit is achieved, and therefore the circuit is controlled. When the temperature of the battery is too high (higher than 40 ℃, can be set according to actual conditions), the temperature controller controls the relay to start the cooling exhaust fan, so that the purpose of cooling is achieved. When the temperature of the battery is lower (lower than-10 ℃, the temperature can be set according to actual conditions), the temperature controller controls the relay to start the heater to heat and raise the temperature of the battery module. This energy storage temperature regulation and control system reports to the police and suggests: when the ambient temperature rises or falls to the temperature setting range, the BMS module CAN communicates and transmits to the energy storage inverter and the electronic display screen of the energy storage inverter gives an alarm.
The utility model discloses the ambient temperature of real-time control energy storage system operation in-process, with the cooling air discharge fan cooling when the temperature is high, heat up with the heater when the temperature is low, be favorable to improving energy storage system's work efficiency, make energy storage dc-to-ac converter and battery module work under the temperature environment of ideal, extension energy storage system's life ensures that the electric core work in the battery module is under normal ambient temperature. The occurrence of safety accidents such as system high temperature out of control and low temperature faults is reduced as much as possible, and the stability and reliability of the battery cell in the battery module are improved. The system sets a plurality of fault alerts: temperature fault warning of the battery BMS system and fault warning of the energy storage inverter are beneficial to monitoring the working state of each module, the occurrence of safety accidents is reduced, and the safety and reliability performance of the energy storage system is improved. The system can heat the energy storage system through the heater at low temperature, so that the capacity of electric energy stored by the battery core in the battery module in the low-temperature environment is improved, and the problem that the stored energy is not fully charged in the low-temperature state is solved; when the temperature is high, the energy storage system is cooled through the cooling exhaust fan, the possibility that the power devices of the energy storage inverter and the battery module are out of control at the high temperature is reduced, and the safety and the reliability of the operation of the energy storage system are improved.
Claims (9)
1. The utility model provides a real-time temperature control circuit for energy storage system, includes battery module, energy storage inverter, LCD display screen, temperature controller, temperature sensor, cooling air discharge fan, heater, its characterized in that: one end of a port 1 of a temperature controller (6), one end of a cooling exhaust fan I (2) and one end of a cooling exhaust fan II (3), one end of a heater I (4) and one end of a heater II (5), and one ends of ports 2, 3 and 5 of the temperature controller (6) are combined and connected with one end of a circuit breaker I (10), the other end of the circuit breaker I (10) is respectively connected with an L1 port in a LOAD-1 port of an energy storage inverter (7) and an L2 port in the LOAD-1 port of the energy storage inverter (7), and one end of a port 4 of the temperature controller (6) is respectively connected with the other ends of the cooling exhaust fan I (2) and the cooling exhaust fan II (3); one end of a No. 6 port of the temperature controller (6) is connected with the other ends of the first heater (4) and the second heater (5), the other ends of a No. 3 port and a No. 4 port of the temperature controller (6) are connected with a first normally open switch (15), and the other ends of a No. 5 port and a No. 6 port of the temperature controller (6) are connected with a second normally open switch (16); a No. 7 port of the temperature controller (6) is respectively connected with one end of a first temperature sensor (9) and one end of a second temperature sensor (13), and a No. 8 port of the temperature controller (6) is respectively connected with the other end of the first temperature sensor (9) and the other end of the second temperature sensor (13);
the 485A port of the energy storage inverter (7) is connected with the 485B port of the LCD display screen (1), and the 485B port of the energy storage inverter (7) is connected with the 485A port of the LCD display screen (1); the CAN2H port of the energy storage inverter (7) is connected with the CAN2H port of the battery module I (12), and the CAN2L port of the energy storage inverter (7) is connected with the CAN2L port of the battery module I (12); a BMU + port and a BMU-port of the energy storage inverter (7) are respectively connected with a 0V voltage port and a 12V voltage port of the LCD display screen (1) and one end of a second breaker (17), and the other end of the second breaker (17) is respectively connected with a B + port and a B-port of a first battery module (12) and a B + port and a B-port of a second battery module (14); an RSD port of the energy storage inverter (7) is connected with an emergency stop switch (8);
the CAN1H port and the CAN1L port of the battery module I (12) are connected with the CAN1H port and the CAN1L port of the battery module II (14); the CAN2H port and the CAN2L port of the battery module I (12) are connected with the CAN2H port and the CAN2L port of the battery module II (14).
2. The real-time temperature control circuit for an energy storage system of claim 1, wherein: and a BMU + port and a BMU-port of the energy storage inverter (7) are connected with a 0V voltage port and a 12V voltage port of the LCD display screen (1) through a DC-DC power supply (11).
3. The real-time temperature control circuit for an energy storage system of claim 1, wherein: the model of the temperature controller (6) is BF-D110A.
4. The real-time temperature control circuit for an energy storage system of claim 1, wherein: the model of the battery module I (12) and the model of the battery module II (14) are BAT-16S.
5. The real-time temperature control circuit for an energy storage system of claim 1, wherein: the type of the first temperature sensor (9) and the type of the second temperature sensor (13) are 10K NTC.
6. The real-time temperature control circuit for an energy storage system of claim 1, wherein: the model of the LCD display screen (1) is XG070LMQ 09C.
7. The real-time temperature control circuit for an energy storage system of claim 1, wherein: the type of the energy storage inverter (7) is P8 KLNA.
8. The real-time temperature control circuit for an energy storage system of claim 1, wherein: the model of the first cooling exhaust fan (2) and the second cooling exhaust fan (3) is SJ1225HA 1.
9. The real-time temperature control circuit for an energy storage system of claim 1, wherein: the type of the first heater (4) and the type of the second heater (5) are PTC electric heaters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221410562.XU CN217469513U (en) | 2022-06-07 | 2022-06-07 | Real-time temperature control circuit for energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221410562.XU CN217469513U (en) | 2022-06-07 | 2022-06-07 | Real-time temperature control circuit for energy storage system |
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| Publication Number | Publication Date |
|---|---|
| CN217469513U true CN217469513U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221410562.XU Active CN217469513U (en) | 2022-06-07 | 2022-06-07 | Real-time temperature control circuit for energy storage system |
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- 2022-06-07 CN CN202221410562.XU patent/CN217469513U/en active Active
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