Thermostat Heating & Cooling System

Thermostat heating & cooling system working principle

Control System

Thermostat heating & cooling system usually consists of three parts: control system, sensor and actuator. The function of the control system is to control the actuator and adjust the output of the hot and cold thermostats based on the temperature changes detected by the sensor.

sensor

The sensor is used to detect the ambient temperature of the Thermostat heating & cooling system and transmit the detected data to the control system. Commonly used sensors include thermocouples, thermistors, and infrared temperature sensors.

Actuator

The function of the actuator is to control the temperature according to the instructions of the control system. High-precision Thermostat heating & cooling systems usually use electronic proportional valves to control the temperature output by controlling the flow of media. Some low-end Thermostat heating & cooling systems use mechanical switches to adjust the temperature by controlling the switches of cooling fans, heaters and other electrical components.

Common control methods and their advantages and disadvantages

1. PID control method

PID control method is a common temperature control method. PID controllers can accurately regulate temperature, but require complex parameter adjustments and require high accuracy and stability of sensors and actuators.

2. Fuzzy control method

Fuzzy control method is a newer control method. Its advantage is that it does not require complex mathematical modeling of the system and has good stability. However, the response speed of fuzzy controller is relatively slow and is not suitable for rapidly changing temperature environments.

3. Genetic algorithm control method

The genetic algorithm control method is an intelligent control method based on evolutionary calculation, and its application in the Thermostat heating & cooling system is still in the experimental stage. This control method is expected to become a new way to control Thermostat heating & cooling system.

In short, the Thermostat heating & cooling system can achieve precise control of the ambient temperature through the coordinated work of the control system, sensors and actuators. By choosing different temperature control methods, better temperature control effects can be achieved in different applications.

We provide complete temperature control systems design and manufacturing. From standard models to complete customized products. We specialize in customer service and are dedicated to helping each customer have the optimal temperature control system for their specific need.

We provide non-standard customized solutions. Both single cooling chillers and cooling & heating combo units are available.

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Cooling and Heating Systems (SUNDI series)

(Custom Designs)

• Temperature range: -120℃ ~ +350℃
• High-precision, intelligent temperature control
• Cooling capacity: 0.5kW ~ 1200kW
• Fully closed system to extend the service life of thermal fluid
• Each device is load tested for more than 12 hours

Cooling and Heating Systems (WTD series)

(Custom Designs)

• （Micro channel / tube reactors specialized）
• Temperature range: -70℃ ~ +300℃
• High-performance circulation pump, more stable temperature control effect
• Wide temperature range to meet the needs of more industries
• Each device is load tested for more than 12 hours

Cooling and Heating Circulators

(Custom Designs)

• Temperature range: -45℃ ~ +250℃
• Emerson Copeland compressor, reliable quality
• Self-diagnosis function, multiple safety protection devices
• Fully closed system to extend the service life of thermal fluid
• Each device is load tested for more than 12 hours

Heating Circulators

(Custom Designs)

• Temperature range: +50℃ ~ +300℃
• Large heat exchange area and fast heating speed
• Self-diagnosis function, multiple safety protection devices
• Closed circulation system, no oil mist at high temperatures
• Each device is load tested for more than 12 hours

TES Series (Temperature control for fuel and oil testing)

(Custom Designs)

• Temperature range: -85℃ ~ +250℃
• Siemens PLC controller and other brand accessories
• Self-diagnosis function, multiple safety protection devices
• Fully closed circulation system, no oil mist at high temperatures
• Each device is load tested for more than 12 hours

TCU Multi-reactors Temperature Control System

(Custom Designs)

• Temperature range: -120℃ ~ +250℃
• Sealed, repeatable temperature control
• Built-in electric heating thermal oil auxiliary system
• Add cold and heat source heat exchange modules according to needs
• Each device is load tested for more than 12 hours

Cooling Chillers                                                                                                     

Recirculating Chillers / Refrigerated Circulator

(Custom Designs)

The chiller can be widely used in various industries and laboratories, and supports customized design.

Mini Chillers / Small Chillers

(Custom Designs)

The chiller can be widely used in various industries and laboratories, and supports customized design.

Low Temperature Chillers

(Custom Designs)

We specialize in the production of low-temperature chillers with a temperature control range as low as -150°C, which can meet the refrigeration needs of different industries.

High Temperature Chillers

(Custom Designs)

The chiller can be widely used in various industries and laboratories, and supports customized design.