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Temperature-constant controller and control method thereof

A technology of constant temperature control and temperature sensor, which is applied in the direction of temperature control using electric mode, auxiliary controller with auxiliary heating device, etc., which can solve the problems of large temperature fluctuation of heating device, uneven temperature control, temperature overshoot, etc. Achieve the effect of small temperature fluctuation, suppress temperature overshoot, and high stability

Inactive Publication Date: 2016-12-14
SHENZHEN SINSCHE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a constant temperature control device and its control method, which solves the technical problems of large temperature fluctuations, uneven temperature control, and easy temperature overshoot in current heating devices

Method used

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  • Temperature-constant controller and control method thereof

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Embodiment Construction

[0025] The present invention will be further elaborated below with reference to the accompanying drawings.

[0026] Please refer to the attached figure 1 , which is a block diagram of the system function modules of the constant temperature control device of the present invention, the constant temperature control device includes: a central processing unit 10, a plurality of temperature sensors 21, 22 to 2n electrically connected to the central processing unit 10, the A plurality of temperature sensors 21, 22 to 2n are distributed around the temperature-controlled environment to detect the local temperature value of the temperature-controlled environment. The central processing unit 10 is also electrically connected to several PTC heating chips 31, 32 to 3n, and several fans 41 , 42, 43, etc., the fan is used to quickly circulate the heat generated by the PTC heating fins 31, 32 to 3n to the temperature-controlled environment, and reduce the time to reach the preset value in a f...

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Abstract

The invention discloses a temperature-constant controller and a control method thereof. The controller comprises a central processor, at least one temperature sensor, PTC heating sheets and fans, wherein the temperature sensors are electrically connected with the central processor and distributed in the surrounding of a temperature control environment, and the PTC heating sheets are electrically connected with the central processor. The temperature sensors collect temperature values of points in the surrounding of the environment, and transmit the temperature values to the central processor, the central processor compares the temperature values detected by the temperature sensors with a preset value, the PTC heating sheets are controlled to carry out heating, the fans send heat energy generated by the PTC heating sheets to the temperature control environment in a circulated manner, and an enclosed cycled thermal current is formed in the temperature control environment. According to the temperature-constant controller and the control method thereof, comprehensive temperature detecting and heating devices are used to detect the local temperature conditions in a temperature-constant box in real time, real-time local adjustment can be realized, temperature fluctuation in the whole box is lower, the stability is higher, and generation of over-temperature is inhibited effectively.

Description

technical field [0001] The invention relates to the technical field of constant temperature heating control equipment, in particular to a constant temperature control device with small temperature fluctuation and a control method thereof. Background technique [0002] The thermostatic box or thermostatic control device currently on the market generally uses a single heating device, single-point temperature measurement, and a simple internal structure. The disadvantages of such a thermostatic control device are 1. The temperature is overshoot after heating, 2. The temperature is not uniform, and 3. Heating After completion, the temperature fluctuates greatly. Contents of the invention [0003] The purpose of the present invention is to provide a constant temperature control device and its control method, which solves the technical problems of large temperature fluctuations, uneven temperature control and easy temperature overshoot in the current heating device. [0004] In...

Claims

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Application Information

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IPC IPC(8): G05D23/32
CPCG05D23/32
Inventor 李伟坤陈永强黄晓平
Owner SHENZHEN SINSCHE TECH
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