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Temperature change device

A temperature-changing device and container technology, which is applied in biochemical cleaning devices, enzymology/microbiology devices, biochemical instruments, etc., can solve the problem that the temperature-changing device cannot meet the precise temperature control requirements of real-time PCR, cannot accurately control the temperature change of test tubes, and cannot control Individual test tube temperature and other issues, to achieve the effect of easy liquid temperature and temperature change degree, accurate periodic temperature change, control liquid temperature and temperature change degree

Active Publication Date: 2012-10-10
QUANTA COMPUTER INC
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Problems solved by technology

Therefore, the actual temperature of the liquid must be calculated from the temperature of the heating zone and according to empirical rules (results of multiple experiments), so it is impossible to know the precise temperature of the liquid
Also, since a single heating zone heats multiple plastic test tubes, it is not possible to control the temperature of individual test tubes
Moreover, since the heating zone has a certain volume, the temperature everywhere cannot be exactly the same and there is a temperature gradient distribution, resulting in the inability to accurately control the temperature change of each test tube.
[0005] All in all, the traditional temperature changing device cannot meet the precise temperature control requirements of real-time PCR detection, so the present invention provides a temperature changing device that can accurately change and control the temperature to solve the above problems

Method used

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Embodiment Construction

[0024] In order to understand the embodiment of the present invention, be divided into three parts below and illustrate: A, changing temperature (heating), B, changing temperature (cooling), C, control temperature, D, zone temperature control.

[0025] A. Change temperature (heating)

[0026] Generally, a temperature changing device is used to change the temperature of a specific object, thus requiring heating elements and cooling elements. In the present invention, the specific object to be changed in temperature is figure 1 Liquid in 4. And, since the liquid 4 does not have a fixed shape, an element for containing the liquid 4 is also required, such as figure 1 The metal tube 30 in. Since the specific heat of the metal material is small, the metal tube 30 heats up and cools down quickly, and it is easy to control the range and rate of temperature change. Generally speaking, the metal tube 30 contains about 30 to 40 milliliters of the liquid 4 , which is not much, so the ...

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Abstract

The invention discloses a temperature change device which is used for changing the temperature of liquid and comprises a metal pipe, a power supply device, a heat conductor and a thermoelectric cooler, wherein the metal pipe is used for containing liquid; the power supply device is provided with a positive electrode and a negative electrode which are electrically connected to both ends of the metal pipe respectively so that the metal pipe is heated after being conducted; and the heat conductor surrounds and touches the metal pipe, and the thermoelectric cooler is in contact with the heat conductor.

Description

technical field [0001] The present invention relates to a temperature changing device, and in particular to a temperature changing device capable of changing and controlling the temperature of liquid. Background technique [0002] Due to the increasing number of sequenced genomes of various organisms and the discovery of more human disease-causing genes, molecular biology has gradually become an indispensable knowledge for molecular detection technology and medical diagnosis research. Since the invention of polymerase chain reaction (Polymeerase Chain Reaction, PCR), molecular biology has highlighted its position as the leading molecular medical diagnosis in the future. With the advancement of science and technology, the demand for molecular biological detection and medical clinical diagnosis has doubled. Accurate, fast and related detection technologies and equipment with real-time quantitative analysis functions (such as real-time PCR) have become one of the key developmen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12Q1/68C12M1/38
Inventor 吴育民蔡逸勤廖冠乔
Owner QUANTA COMPUTER INC
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