A control device and method for a constant temperature metal bath
A technology of constant temperature metal and control device, which is applied in the direction of temperature control, temperature control by electric means, chemical instruments and methods, etc. The effect of changing too fast
Active Publication Date: 2022-04-05
浙江先导热电科技股份有限公司
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is: the current constant temperature metal bath device has the technical problem that the temperature change is too large when heating or cooling the metal block due to the excessive heat conduction speed, which is difficult to control
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[0033] The specific embodiments of the present invention will be further specifically described below through specific embodiments in conjunction with the accompanying drawings.
[0034] A control device for a thermostatic metal bath, such as figure 1 As shown, it includes a metal block 1 and a thermal insulation shell 2. There are several recesses in the metal block 1, and the metal block 1 is placed in the thermal insulation shell 2, as image 3 As shown, the metal block 1 is provided with a ventilation duct 4, and the ventilation duct 4 is distributed around the groove 3, and the bottom of the heat preservation shell 2 is provided with a first ventilation hole 17. The metal block 1 is provided with a ventilation duct 4 to facilitate the circulation of the cold air brought by the cooling plate 12. The ventilation duct 4 is distributed around the groove 3 to facilitate the influence of the cold air on the test tube in the groove 3 and to control the temperature of the test tu...
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The invention discloses a control device and method for a constant-temperature metal bath, which comprises a metal block and a heat-preservation shell. The metal block is provided with several depressions, the metal block is placed in the heat-preservation shell, and the metal block There is a heating plate between the insulation shell and the bottom of the heat preservation shell. A refrigerating piece is provided in each groove, and a rotating device is arranged in each groove. A ventilation device for blowing cold air, and a control method using the above device. The rotation function of the test tube can be realized through the rotating device. Put the test tube on the rotating device so that there is a certain gap between the test tube and the groove of the metal block, that is, the test tube can be heated by heating the metal block through the heating plate, and through the cooling sheet, The fan and the ventilation duct of the metal block cool down the test tube, which can avoid direct contact with the metal block and cause the temperature of the test tube to change too quickly and cause inconvenience in temperature control.
Description
technical field [0001] The invention relates to the field of test equipment, in particular to a control device and method for a constant temperature metal bath. Background technique [0002] The constant temperature metal bath can satisfy some constant temperature experiments of rapid heating or cooling. It is the main instrument for the preservation of some samples, the preservation and reaction of various enzymes, the deformation treatment of nucleic acids and proteins, the PCR reaction, the pre-denaturation of electrophoresis and the serum coagulation experiment . For the traditional constant temperature water bath, the two are different in the heat conduction mode. The constant temperature water bath uses water or ethanol as the medium, and through the form of electric heating, it is a constant temperature instrument that allows the medium to reach an ideal constant temperature for constant temperature; constant temperature metal bath It is made of semiconductor materia...
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IPC IPC(8): G05D23/19B01L7/00
CPCG05D23/1919B01L7/00
Inventor 黄晓娟吴永庆阮炜
Owner 浙江先导热电科技股份有限公司