JPH07185363A - Heating and cooling device - Google Patents

Abstract

PURPOSE:To rapidly do heating-up and cooling-down by providing holes, surfaces, and grooves for supporting a material to be heated and cooled on the arbitrary surface of a structure, filling a heat transfer medium consisting of liquid metal into the structure and providing a heating heater and a cooling part. CONSTITUTION:A vessel for supporting a material to be heated and cooled 1 of hollow construction made of copper alloy having good heat conductivity is formed, and mercury is sealed in the hollow part. Holes 2-4 for supporting a material to be heated and cooled and an observation through-hole for optical measurement are formed. A cooling pipe 5 is arranged and through which a refrigerant cooled by a cooling part 7 is circulated by a pump 6 to form a cooling means. A heater 9 is arranged and made a heating means. Further, an agitating blade 10 is provided and agitates mercury to make the temp. distribution uniform. Temp. is detected by a temp. sensor 11 to perform feedback control of the heater 9 and the cooling part 7. Outside the structure 1, an external cooling pipe 8 and an external heater 13 are arranged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is capable of rapidly heating and cooling various samples in the fields of medicine, chemistry and biotechnology, and enables precise temperature control of samples and temperature distribution. The present invention relates to a structure of a heating / cooling device having a good accuracy and having a structure of an observation through hole for optical measurement for an object to be heated.

[0002]

2. Description of the Related Art In a conventional constant temperature water tank for science and science,
Since water was used as the heat medium, the sample container comes into contact with water. Moreover, it was impossible to rapidly raise and lower the temperature of the sample. It took a long time to reach a certain temperature, and when the set temperature was changed, the response speed was slow. Further, there has been no one having a structure of an observation through hole for optical measurement of a cooled object while controlling a precise temperature program.

[0003]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned drawbacks of the prior art, quickly raises or lowers the temperature of various samples to a predetermined temperature, and quickly responds to temperature changes, Provided is a heating / cooling device having a good temperature distribution, capable of precise programmable temperature control, and having a structure of a through hole for observation for optical measurement of an object to be heated and capable of rapid heating and cooling. It was made for the purpose.

[0004]

DISCLOSURE OF THE INVENTION The present invention, which has been made to solve the above-mentioned problems, has a structure for supporting a material to be heated, a hole, and a groove on an arbitrary surface of the structure, and the structure thereof. The inside is filled with a heat medium made of a liquid metal having good thermal conductivity, and a heater is installed.Finally, for cooling the temperature, a fin having good heat dissipation properties, a cooling unit made of a honeycomb structure or a pipe is installed, and cold air or The temperature is lowered by coming into contact with a refrigerant or the like, and an arbitrary portion is provided with a structure of an observation through hole for optical measurement for a heated object having a desired shape,
We adopted the technical means of enabling measurement of various samples.

[0005]

[Operation] According to the heating / cooling device configured as described above, since the object to be heated is in contact with the surface, the hole, and the groove provided in the structure, the temperature of the heating / cooling device quickly becomes equal to that of the heating / cooling device. In addition, since the heater is installed in a heat medium with good thermal conductivity of liquid metal, it is possible to precisely control the temperature, and an observation through hole for optical measurement of the object to be heated. With the structure described above, various samples can be measured.

[0006]

Embodiment 1 FIG. 1 shows the structure of the present invention. Reference numeral 1 denotes a hollow-structured object supporting object to be cooled which is made of a copper alloy having a good thermal conductivity, and mercury is enclosed in the hollow inside thereof.
2, 3 and 4 are holes for supporting the object to be heated.
A cooling pipe 5 passes through the inside of 1, and a cooling unit 7
The coolant cooled by is pumped by the pump 6. Reference numeral 8 is also a cooling pipe, and is installed outside the structure to improve efficiency. Reference numeral 9 is a heater installed to heat the mercury enclosed in 1, and 13 is an external heater. The stirring blade 10 stirs to make the temperature distribution of mercury uniform. A temperature sensor 11 is fed back to the heating means and the cooling means. Reference numeral 12 is a through hole for observation of optical measurement of the object to be heated. An experiment was conducted by assembling a constant temperature bath with the above configuration. Set the test tubes to 2, 3 and 4 in Fig. 1, attach thermocouples to each test tube, and use the PID with the thermocouple at the 2 position.
Controlled. At that time, the output of the thermocouple at the position 2 was checked. The temperature range of the experiment at this time was from -20 ° C to 10
In the range of 0 ° C., the temperature rising rate of 12 ° C./second was achieved, the temperature decreasing rate of 6.2 ° C./second was achieved, and the temperature distribution accuracy of ± 0.1 ° C. or less was achieved.

[0007]

INDUSTRIAL APPLICABILITY As described above, according to the present invention, a structure for supporting a material to be heated, a hole, and a groove are provided on any surface of the structure, and mercury having good thermal conductivity is formed inside the structure. According to the heating / cooling device configured as described above, the heating target is filled with a heat medium, and the object to be heated is quickly heated and cooled because it is in contact with the surface, hole, or groove provided in the structure. It becomes equal to the temperature of the vessel. Regarding cooling, a cooling unit composed of fins, a honeycomb structure, or a pipe is installed, and the temperature is lowered by contacting cold air or a refrigerant. As a result, the temperature distribution becomes good and precise programmable temperature control becomes possible. Therefore, in the conventional technology,
Precise temperature control of various temperature patterns has become possible, and various samples can be measured by providing the structure of the observation through hole for optical measurement of the object to be heated. In the fields of medicine, chemistry, biotechnology, etc., new applications have opened up, complicated temperature program control has become possible, and new operation methods have become possible.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a first embodiment.

[Explanation of symbols]

 1 Structure 2, 3, 4 Hole for Supporting Heated Cooled Material 5 Internal Cooling Pipe 6 Pump 7 Cooling Heat Exchange Section 8 External Cooling Pipe 9 Internal Heater 10 Stirrer Blade 11 Temperature Sensor 12 Optical Observation Hole 13 External Heater

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Keiichi Kato 163-1 Makinagi, Miyamae-ku, Kawasaki-shi, Kanagawa Cosmo Miyazakidai Avanced 305 (72) Inventor Hiro Kurita 4-16-15 Nishi-Kamakura, Kamakura-shi, Kanagawa

Claims (7)

[Claims] 1. A planar shape, and at least one hole, at least one recess and at least one through hole, and at least one groove of a desired shape of the object to be cooled for supporting the object to be heated, which are provided on a surface and on an arbitrary surface. To the structure having a hollow structure for filling the heat medium with the structure having,
A heating / cooling device having at least one heater inside and outside the structure. 2. The heating / cooling device according to claim 1, wherein the structure has a cooling means. 3. The cooling means is a refrigerant supply device provided outside the structure, and a part of an outer surface of the structure for heat exchange, and an inside of the structure. ,
Concavo-convex portion formed on a part of the outer surface, at least one cooling pipe formed inside or outside the structure, through which the refrigerant passes, provided inside or outside the structure The heat dissipation plate having a fin, and the heat dissipation plate having a honeycomb structure, which is provided inside or outside of the structure, and has a structure including at least one of the heat dissipation plates. Heating cooler. 4. The sintered body communicating with the at least one hole, the at least one recess, the at least one through hole, and the at least one groove for receiving the object to be cooled. The heating / cooling device according to claim 1, wherein the heating / cooling device has a structure having at least one observation through hole for observing and optically measuring the object to be heated. 5. The at least one observation through hole comprises:
The heating / cooling device according to claim 4, wherein the heating / cooling device is filled with any one of translucent ceramics, translucent glass, and translucent resin. 6. The heating / cooling device according to claim 1, wherein the heat medium filled in the structure is a liquid metal having good thermal conductivity. 7. The heating / cooling device according to claim 1, wherein the heat medium filled in the structure is mercury.