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PCR (polymerase chain reaction) apparatus based on phase change thermal storage material and heat pipes

A phase change heat storage and heat pipe technology, applied in the field of PCR instruments, can solve the problems of high energy consumption, increased heating and cooling rates, etc., and achieve the effects of increasing the heat dissipation area, increasing the heating rate, and reducing the total power consumption

Active Publication Date: 2016-01-06
CHINA ACAD OF LAUNCH VEHICLE TECH
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  • Abstract
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  • Application Information

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Problems solved by technology

[0009] The current PCR instrument design scheme is slow to increase the heating and cooling speed, and the energy consumption is high

Method used

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  • PCR (polymerase chain reaction) apparatus based on phase change thermal storage material and heat pipes
  • PCR (polymerase chain reaction) apparatus based on phase change thermal storage material and heat pipes
  • PCR (polymerase chain reaction) apparatus based on phase change thermal storage material and heat pipes

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Embodiment Construction

[0029] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] The present invention proposes a PCR instrument based on phase-change thermal storage materials and heat pipes, such as image 3 As shown, it includes a reagent heating table 1, a first semiconductor cooling plate 2, a metal heat sink 3, a first phase change heat storage device 4, a second semiconductor cooling plate 5, a lead screw 6, a stepping motor 7, and a first fan 8 , metal heat sink 9, controller 10, first heat pipe 11, second heat pipe 12, second phase change heat storage device 13, slide rail 14, second fan 15 and temperature sensor.

[0031] The reagent heating table 1, the first semiconductor cooling plate 2 and the metal cooling plate 3 are sequentially bonded by thermal conductive silicone grease. The reagent heating table 1 is processed with a reagent chamber for installing test tubes, which is used to heat or coo...

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Abstract

The invention discloses a PCR (polymerase chain reaction) apparatus based on a phase change thermal storage material and heat pipes. The PCR apparatus comprises a reagent heating platform, a first semiconductor refrigerating sheet, a metal radiating plate, a first phase change thermal storage device, a second fan, a second semiconductor refrigerating sheet, a screw lever, a stepping motor, a first fan, a metal radiating fin, a controller, a first heat pipe, a second heat pipe, a second phase change thermal storage device, a sliding rail and a temperature sensor. According to the PCR apparatus disclosed by the invention, two heat switches are formed by the second phase change thermal storage device and one end of the second heat pipe as well as by the first phase change thermal storage device and the other end of the second heat pipe; with the design of the heat switches, a heat energy transmission direction is controlled, and with the use of the heat switches, heat conductivity is effectively improved; secondary utilization of waste heat is achieved by using the phase change material; and compared with original design schemes, the invention, mentioned above, can improve a heating rate by more than one time, improve a cooling rate by more than two times and meanwhile reduce total power consumption of equipment by a half; therefore, the invention is of great significance to updating and upgrading of the PCR apparatus.

Description

technical field [0001] The invention relates to a PCR instrument based on a phase change heat storage material and a heat pipe, belonging to the field of scientific instruments. Background technique [0002] PCR (Polymerase Chain Reaction, polymerase chain reaction) instrument is a widely used and very important life science instrument. It is widely used in various fields such as life science research, biochemical analysis, clinical diagnosis, drug analysis, forensic identification and rapid epidemic detection as the preferred instrument for gene amplification analysis. [0003] The basic structure of a traditional PCR instrument consists of four layers, such as figure 1 As shown, the uppermost layer is the reagent temperature control table, which is generally composed of high thermal conductivity metal, with a reagent chamber processed on it for installing test tubes, and a platinum resistance temperature sensor is embedded for high-precision temperature measurement. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/38
CPCB01L7/52B01L2300/1805B01L2300/1894
Inventor 王思峰吕建伟王海英巩萌萌贲勋张晓屿余群王领华张少华王国庆刘欣杨勇
Owner CHINA ACAD OF LAUNCH VEHICLE TECH
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