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Temperature control system and method thereof

A temperature control system and controller technology, applied in temperature control, control/regulation system, non-electric variable control, etc., can solve problems such as electrical noise, power factor fluctuation, improper temperature fluctuation, etc., to achieve effective use and improve power factor Effect

Active Publication Date: 2017-06-20
MPI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of temperature control can cause undesired fluctuations in temperature as well as electrical noise in the system
In addition, the power factor of the supplied power (or power supply) will also fluctuate
These fluctuations are sometimes referred to as flicker noise, and there are limits to how much flicker noise is allowed depending on which international standard the system must operate within

Method used

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  • Temperature control system and method thereof
  • Temperature control system and method thereof
  • Temperature control system and method thereof

Examples

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Embodiment Construction

[0077] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0078] exist figure 1 In the figure is a temperature control system 100 used in an embodiment of the present invention to provide a description of the thermal management of a device under test or DUT (Device Under Test). The temperature control system 100 includes a main control unit (MCU) 10 , a compressor unit 20 and a heater unit 30 . The MCU 10 may be a processor having a plurality of I / O terminals respectively coupled to the first valve CV1, the second valve CV2, the compressor unit 20, and the heater unit 30 so that a signal can be sent to the first valve CV1 , the second valve CV2, the compressor unit 20 and the heater unit 30, and receive signals from the first valve CV1, the second valve CV2, the compressor unit 20 and the heater unit 30. The MCU 10 may control the first valve CV1 to adjust the flow of cool air (or ...

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PUM

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Abstract

A temperature control system and method are provided. The system includes a first channel, a second channel, a heating element, a DUT chamber, a converter, a first PID controller, and at least one switching regulator. The heating element is disposed downstream of the first and the second channels to heat the first air from the first channel or the second air from the second channel according to an input power so as to provide mixing air with a temperature into the DUT chamber. The converter converts an AC power to a DC power. The first PID controller provides a first input signal according to a first set point and an amount of power consumed by the heating element. The input power is adjusted by the switching regulator to drive the heating element according to the first input signal. Thus, the use of electrical power is more efficient.

Description

technical field [0001] The present invention relates to temperature control, and more particularly to a temperature control system and method thereof with improved electrical power management. Background technique [0002] In the field of thermal management of liquid or gas streams, temperature control via heating means has existed for a long time. Power requirements vary depending on flow rate, desired temperature range and rate of temperature change. Heating elements are typically heated using electrical resistance, which typically uses a tungsten wire as the resistive element. A liquid or gas is heated by passing it through a heated tungsten wire, and transferring energy to the fluid by passing an electric current through the tungsten wire, thereby making it hot. Many commercial appliances for heaters require direct current (DC) power. Therefore, alternating current (AC) to DC converters are commonly used to distribute the input voltage to points of load (POL). [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/20
CPCG05D23/20F24H9/2071F24H15/144F24H15/20F24H15/281F24H15/414G01R31/2875G01R31/2862H05B1/0297
Inventor 克里斯达·黑尔格·雅各布张盈乔李岳颖
Owner MPI CORP
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