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Intelligent energy-saving temperature controller and use method thereof

A thermostat, an intelligent technology, is applied in the field of monitoring and controlling the comfort and stability of the building environment, and in the field of intelligent energy-saving thermostats. Achieve the effect of prolonging the life of the equipment and reducing the frequency of manual operation

Inactive Publication Date: 2016-05-11
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Does not support ModbusRS-485 or other communication protocols, so remote operation cannot be realized, which increases the operating frequency of the thermostat, affecting its installation position and life

Method used

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  • Intelligent energy-saving temperature controller and use method thereof
  • Intelligent energy-saving temperature controller and use method thereof

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Embodiment Construction

[0019] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0020] The intelligent energy-saving thermostat includes 220VAC power supply, 32-bit microprocessor, capacitive touch screen, 24VDC relay, SPIFLASH storage, NTC thermal temperature sensor and serial port to 485 interface chip based on ADM2483. The smart energy-saving thermostat is powered on and reset, the device enters unmanned mode, the touch screen displays a room temperature of 28°C, and the room temperature value is uploaded to the remote programmable controller through the Modbus RS-485 communication protocol. At this time, turn on the power, the smart energy-saving thermostat enters manual mode, the water valve opens, the fan gear is set to "high" and the mode is "cooling", and the temperature can be set by clicking "▲" or "▼" on the touch screen Adjust the value to 26°C, and upload the above values ...

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Abstract

The invention belongs to the technical field of energy efficiency improvement for terminals of central air conditioners, and provides an intelligent energy-saving temperature controller and a use method thereof. According to the invention, a microprocessor is connected with an external watchdog circuit through an IO port, reading and writing operations are carried out on a Flash memory through an SPI interface, touch data is read from a touch screen through an I2C interface, and a liquid crystal display is controlled through the IO port to realize display; a temperature sensor is used for converting the touch data to a digital quantity through a signal processing circuit and an analogue-digital conversion circuit sequentially, and the digital quantity is read by the microprocessor; and the microprocessor is used for controlling on-off of a triode through the IO port so as to control a switch action of a relay, thus state switchover for the intelligent energy-saving temperature controller is realized. According to the invention, data interaction between a programmable controller and the temperature controller is realized by applying a Modbus RS-485 communication protocol, and the needs of control of an air conditioner system and data acquisition in different cases are realized through setting and switchover for different working modes.

Description

technical field [0001] The invention belongs to the technical field of central air-conditioning terminal energy efficiency improvement, and relates to a device for monitoring and controlling the comfort and stability of a building environment, and in particular to an intelligent energy-saving thermostat and a use method thereof. Background technique [0002] The thermostat is a device suitable for the central air-conditioning control system. It is used to monitor and set the indoor temperature, and automatically turn on and off various air-conditioning equipment to achieve a comfortable state. Its working principle is to monitor the indoor temperature through the temperature sensor, compare the current indoor temperature and the set temperature, and when the room temperature is higher (summer) or lower (winter) than the set value, the control circuit is activated, otherwise it is closed. The display on the thermostat panel includes room temperature, setting value, fan gear, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/58F24F11/62F24F11/83F24F11/84
Inventor 张吉礼赵天怡陈婷婷历秀明
Owner DALIAN UNIV OF TECH
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