CN-121977297-A - Intelligent phase-change energy-storage combined wind-solar complementary temperature control device

CN121977297ACN 121977297 ACN121977297 ACN 121977297ACN-121977297-A

Abstract

The invention relates to the technical field of temperature control equipment, and aims to provide a phase-change energy storage combined wind-solar complementary intelligent temperature control device which comprises a phase-change energy storage module, a wind-solar complementary module, an intelligent control module and a heat exchange system. The phase-change energy storage module adopts sodium acetate trihydrate as an energy storage working medium, the phase-change temperature range is 0-100 ℃, the energy storage density is 220-270J/g, the wind-solar complementary module comprises a photovoltaic array and a vertical axis wind generating set, double-energy collaborative power supply is realized through an MPPT controller, the intelligent control module integrates a PLC (programmable logic controller) master control system and a nanoscale sensor array, the temperature control precision reaches +/-0.5 ℃, the heat exchange system adopts a liquid-gas double-circulation structure, and a large flat-plate solar collector and a liquid damping stirring heating device are configured. Through the multi-energy collaborative energy supply, intelligent dynamic regulation and control and efficient heat exchange design, the efficient, accurate and stable temperature control effect is realized, the comprehensive energy efficiency ratio reaches 5.1, the running cost is reduced by 62%, the annual carbon emission reduction amount is 188.2kg, and the method is suitable for the severe demands of scenes such as scientific research, electronic manufacturing and the like.

Inventors

ZHOU LINYUAN
YIN SHAOWU
WU KE
WANG JUNCHENG
LIU FAN
LIU HUADONG
YU CHANGLIN
DU YUEHAO

Assignees

新疆工程学院

Dates

Publication Date: 20260505
Application Date: 20260114

Claims (9)

1. The utility model provides a complementary intelligent temperature control device of phase transition energy storage joint scene, includes phase transition energy storage module, scene complementary module, intelligent control module and heat exchange system, its characterized in that: the phase-change energy storage module adopts Sodium Acetate Trihydrate (SAT) as an energy storage working medium, the phase-change temperature ranges from 0 ℃ to 100 ℃, and the energy storage density is 220J/g to 270J/g; the wind-solar complementary module comprises a photovoltaic array and a vertical axis wind generating set, and double-energy collaborative power supply is realized through a Maximum Power Point Tracking (MPPT) controller; the intelligent control module integrates a PLC (programmable logic controller) master control system and a nanoscale sensor array, and the temperature control precision reaches +/-0.5 ℃; The heat exchange system adopts a liquid-gas double-circulation structure, and is provided with a large flat-plate solar collector and a liquid damping stirring heating device.
2. The intelligent temperature control device combining phase-change energy storage and wind-solar complementation is characterized in that an energy storage tank of the phase-change energy storage module adopts a double-layer vacuum heat insulation structure, a spiral heat exchange tube bundle is arranged in the energy storage tank, an electric heating anti-freezing layer is arranged on the outer wall of the energy storage tank, 3% of nano graphene heat conduction reinforcing agent is added during SAT material filling, and the supercooling degree is controlled to be less than or equal to 2 ℃.
3. The intelligent temperature control device for combining phase change and energy storage and wind and light complementation is characterized in that a photovoltaic array of a wind and light complementation module adopts a monocrystalline silicon battery plate, the conversion efficiency is more than or equal to 22%, the surface of the photovoltaic array is coated with a self-cleaning nano coating, a wind driven generator adopts a permanent magnet direct drive structure, rated power is 20kW, the starting wind speed is 2.5m/s, and a tip speed ratio adjusting device is configured.
4. The intelligent temperature control device of phase-change energy storage combined wind-solar complementary type according to claim 1, wherein the sensor array of the intelligent control module comprises a PT1000 temperature sensor, an HTU21D humidity sensor, a TSL2561 illumination sensor and an AS5048A wind speed sensor, the sampling frequency is 10Hz, and the data fusion processing is carried out through a Kalman filtering algorithm.
5. The intelligent temperature control device combining phase change and energy storage and wind-solar complementation is characterized in that an electronic three-way valve is arranged in a liquid circulation loop of the heat exchange system to realize flow proportion adjustment of an energy storage tank and a heat collector/heating device, a variable frequency fan is arranged in an air circulation loop, and air supply temperature is dynamically adjusted through PID control.
6. The intelligent temperature control device for phase-change energy storage combined wind-light complementation according to claim 1, wherein the device integrates a wind-light power generation prediction system, adopts an LSTM neural network algorithm, predicts photovoltaic/wind power generation power of 24 hours in the future based on historical meteorological data, and the prediction error is less than or equal to 8%.
7. The intelligent temperature control device combining phase-change energy storage and wind-solar complementation according to claim 1, wherein the energy storage system is provided with a safety protection unit, and the intelligent temperature control device comprises an overcharge protection circuit, an overdischarge protection circuit and a thermal runaway early warning device, and the thermal runaway early warning device is controlled by adopting an infrared thermal imager and a gas sensor in an interlocking manner.
8. The intelligent temperature control device combining phase-change energy storage and wind-solar complementation according to claim 1, wherein the device is provided with a multi-mode operation system comprising an economic mode, a comfortable mode and an emergency mode, wherein each mode is switched through a touch screen, and the switching time is less than or equal to 30 seconds.
9. The intelligent temperature control device combining phase-change energy storage and wind-solar complementation is characterized in that the system is provided with a remote monitoring platform, the remote monitoring platform is communicated with a cloud server through a 4G/5G wireless module, a mobile terminal APP is supported to view equipment state and energy consumption data in real time, and data transmission delay is less than or equal to 2 seconds.

Description

Intelligent phase-change energy-storage combined wind-solar complementary temperature control device Technical Field The invention relates to the technical field of temperature control equipment, in particular to an intelligent temperature control device combining phase change energy storage and wind-solar complementation. Background Under the background of global warming, the traditional constant temperature system is difficult to meet the severe demands of scenes such as scientific research, electronic manufacturing and the like due to low energy efficiency, excessive carbon emission and insufficient temperature control precision. In addition, the problem of unbalance of a thermal field with a vertical temperature difference of more than 4 ℃ per meter and a horizontal gradient of 2 ℃ per meter under a large space environment severely restricts indoor environment comfort. For example, chinese patent CN118705919A discloses a carbon dioxide phase-change energy storage system, but does not combine a wind-solar complementary power generation technology, so that the energy utilization rate is low, and CN119268148A discloses an intelligent temperature control system, but only adopts solar heat collection, so that energy supply is unstable in overcast and rainy weather. Disclosure of Invention The invention aims to provide an intelligent temperature control device combining phase change energy storage and wind-solar complementation, which is used for solving the problems in the background technology and is convenient to popularize. The intelligent temperature control device comprises a phase-change energy storage module, a wind-solar complementary module, an intelligent control module and a heat exchange system: the phase-change energy storage module adopts Sodium Acetate Trihydrate (SAT) as an energy storage working medium, the phase-change temperature ranges from 0 ℃ to 100 ℃, and the energy storage density is 220J/g to 270J/g; the wind-solar complementary module comprises a photovoltaic array and a vertical axis wind generating set, and double-energy collaborative power supply is realized through a Maximum Power Point Tracking (MPPT) controller; the intelligent control module integrates a PLC (programmable logic controller) master control system and a nanoscale sensor array, and the temperature control precision reaches +/-0.5 ℃; The heat exchange system adopts a liquid-gas double-circulation structure, and is provided with a large flat-plate solar collector and a liquid damping stirring heating device. Further, an energy storage tank of the phase-change energy storage module adopts a double-layer vacuum heat insulation structure, a spiral heat exchange tube bundle is arranged in the energy storage tank, an electric heating anti-freezing layer is arranged on the outer wall of the energy storage tank, 3% of nano graphene heat conduction reinforcing agent is added when SAT materials are filled, and the supercooling degree is controlled to be less than or equal to 2 ℃. Furthermore, the photovoltaic array of the wind-solar complementary module adopts a monocrystalline silicon battery plate, the conversion efficiency is more than or equal to 22%, the surface of the photovoltaic array is coated with a self-cleaning nano coating, the wind driven generator adopts a permanent magnet direct drive structure, the rated power is 20kW, the starting wind speed is 2.5m/s, and a blade tip speed ratio adjusting device is configured. Further, the sensor array of the intelligent control module comprises a PT1000 temperature sensor, an HTU21D humidity sensor, a TSL2561 illumination sensor and an AS5048A wind speed sensor, the sampling frequency is 10Hz, and data fusion processing is carried out through a Kalman filtering algorithm. Furthermore, an electronic three-way valve is arranged in a liquid circulation loop of the heat exchange system to realize flow proportion adjustment of the energy storage tank and the heat collector/heating device, a variable frequency fan is arranged in an air circulation loop, and dynamic adjustment of air supply temperature is realized through PID control. Furthermore, the device integrates a wind-light power generation prediction system, adopts an LSTM neural network algorithm, predicts photovoltaic/wind power generation power of 24 hours in the future based on historical meteorological data, and the prediction error is less than or equal to 8%. Furthermore, the energy storage system is provided with a safety protection unit, and comprises an overcharge protection circuit, an overdischarge protection circuit and a thermal runaway early warning device, wherein the thermal runaway early warning device adopts an infrared thermal imager and a gas sensor for interlocking control. Furthermore, the device is provided with a multi-mode operation system, which comprises an economic mode, a comfortable mode and an emergency mode, wherein each mode is switched through a touch screen, and the switching time is