Temperature control device based on desktop cluster equipment development

Abstract

The utility model relates to the technical field of low-temperature control equipment, and particularly discloses a temperature control device developed based on desktop cluster equipment, which comprises a condenser pipe and a heating pipe, the heating pipe is welded at one end of the condenser pipe, and the heating pipe and the condenser pipe are connected in an inert gas protection welding mode to form an integrated structure. A vacuum cavity is formed in the condensation pipe, a liquid nitrogen cavity of an annular structure is formed in the outer wall of the condensation pipe, namely, the liquid nitrogen cavity is a pipe body of a double-layer hollow structure and used for introducing liquid nitrogen to achieve rapid cooling to 77K reference temperature, and multiple sets of heating systems are evenly arranged at the end of the heating pipe in a circumferential array mode to achieve the uniform heating effect. According to the utility model, the distribution of a temperature field is accurately controlled through the heat conduction of the heating pipe and the condensation pipe and the thermal resistance distribution of a heating system of the heating pipe, so that the requirement of a cluster beam system on the temperature field distribution and the condition that the temperature 77K-RT is adjustable can be effectively met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to low temperature control equipment technical field, concretely relates to a temperature control device based on desktop cluster equipment development. BACKGROUND

[0002] Condensers play an important role in low-temperature physics research, mainly used to achieve ultra-low temperature environment, liquefied gas, heat management and maintain stable low-temperature conditions; it provides the necessary experimental basis for superconducting material research, quantum phenomenon exploration (such as superfluidity and Bose-Einstein condensation) and the thermal, electrical and magnetic properties of materials at low temperatures; In addition, condensers are also used to cool high-sensitivity detectors, reduce thermal noise and ensure experimental accuracy; In short, condensers are indispensable tools in low-temperature physics research, supporting a wide range of fields from basic research to technical applications;

[0003] Although the prior art has made certain progress in the cooling effect, heat dissipation performance and safety protection of the condenser, it is still difficult to adjust the condensing temperature and condensing range of the condenser in time and effectively, and there is a problem of low temperature control precision, which to a large extent limits its application in low-temperature research fields that require precise temperature control, especially in microscopic analysis and low-temperature quantum physics research, and cannot meet the expected temperature precision requirements and flexible adjustment requirements. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a temperature control device based on desktop cluster equipment development to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A temperature control device based on desktop cluster equipment development, comprising:

[0007] A condenser tube and a heating tube, one end of the condenser tube is welded with the heating tube, the heating tube and the condenser tube are connected by inert gas protection welding method to form an integrated structure, a vacuum cavity is arranged in the condenser tube, a liquid nitrogen cavity of annular structure is arranged in the inner wall of the condenser tube, that is, a double-layer hollow structure tube body is used to pass in liquid nitrogen to realize rapid cooling to 77K reference temperature, a plurality of heating systems are uniformly arranged in the form of circumferential array at the end of the heating tube, which plays a uniform heating role.

[0008] Preferably, the inside of the outer wall of one end of the heating pipe is provided with a mounting groove matched with the condensing pipe, so that one end of the heating pipe is wrapped around one end of the condensing pipe to optimize the heat conduction efficiency and improve the temperature control accuracy, thereby solving the problem of low condensing temperature and condensing range control accuracy in the prior art and meeting the accuracy requirements of microanalysis and low-temperature physical research.

[0009] Preferably, the heating system is provided as eight groups.

[0010] Preferably, the heating system comprises a heating source provided as a heating rod, the power output of the heating rod is dynamically adjusted, the thermal resistance distance and angle parameters are optimized in combination with thermal field simulation, the three-dimensional temperature field uniformity of the condensing cavity is realized, the problem of uneven temperature field distribution in the prior art is solved, the requirements on the temperature field distribution are met, the multi-group heating system design adopts the multi-point heating and parameter optimization mode, the uniformity of the temperature distribution inside the condensing cavity is ensured, and a stable and reliable temperature environment is provided for experiments.

[0011] Preferably, the end of the heating pipe is provided with a connecting flange, and the connecting flange is provided with a through hole in the inside, facilitating the installation of the heating rod.

[0012] Preferably, the inner diameter of the condensing pipe is 50 mm, and the outer diameter of the condensing pipe is 80 mm.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model precisely controls the distribution of the temperature field through the heat conduction of the heating pipe and the condensing pipe and the thermal resistance distribution of the heating system of the heating pipe, can effectively meet the requirements of the cluster beam system on the temperature field distribution and the conditions that the temperature is adjustable between 77K and RT, and can provide necessary experimental basis for the research on superconducting materials, the exploration of quantum phenomena (such as superfluidity and Bose-Einstein condensation) and the research on the thermal, electrical and magnetic characteristics of materials at low temperatures. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is another view structure schematic view of the utility model;

[0017] In the drawing: 1, condensing pipe; 2, liquid nitrogen cavity; 3, heating pipe; 4, connecting flange; 5, heating rod; 6, vacuum cavity. DETAILED DESCRIPTION

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example:

[0020] Please see Figs. 1-2 As shown, a temperature control device developed based on a desktop cluster device includes:

[0021] The condenser tube 1 and the heating tube 3 are connected together. The heating tube 3 is welded to one end of the condenser tube 1. The heating tube 3 and the condenser tube 1 are connected by an inert gas protected welding method to form an integrated structure. The condenser tube 1 has a vacuum chamber 6 inside and an annular liquid nitrogen chamber 2 inside the outer wall of the condenser tube 1. It is a double-layer hollow tube body, which is used to introduce liquid nitrogen to achieve rapid cooling to the reference temperature of 77K. The end of the heating tube 3 is uniformly arranged with multiple heating systems in a circumferential array to achieve uniform heating.

[0022] By adopting a double-layer hollow condenser tube 1 and heating tube 3 welded together, liquid nitrogen is introduced between the outer and inner walls to achieve rapid cooling to a reference temperature of 77K. The inner cavity is heated by a gradient through a high-precision heating tube 1, thus constructing a wide-range temperature control system from 77K to room temperature (RT). This design can effectively solve the problem that existing technologies cannot adjust the condensation temperature in a timely and effective manner, and meet the needs of low-temperature research with precise temperature control. Through the synergistic effect of liquid nitrogen cooling and precise heating, continuous temperature regulation can be achieved from extremely low temperatures to room temperature, providing an ideal temperature control environment for low-temperature physics experiments.

[0023] refer to Figs. 1-2 As shown, an installation groove is formed inside the outer wall of one end of the heating tube 3 to mate with the condenser tube 1. This allows the heating tube 3 to extend and wrap around the condenser tube 1, optimizing heat transfer efficiency and improving temperature control accuracy. This solves the problem of low accuracy in controlling condensation temperature and condensation range in existing technologies, meeting the accuracy requirements of microscopic analysis and low-temperature physics research. This design, by increasing the heat transfer interface area, enhances the response speed and accuracy of the temperature control system, providing high-quality temperature control support for low-temperature experiments.

[0024] refer to Figs. 1-2 As shown, the heating system is configured with eight groups.

[0025] refer to Figs. 1-2As shown, the heating system includes a heating source, which is arranged as a heating rod 5. By dynamically adjusting the power output of the heating rod 5 and optimizing the thermal resistance spacing and angle parameters in combination with thermal field simulation, the uniformity of the three-dimensional temperature field of the condensation cavity is realized, the problem of uneven temperature field distribution in the prior art is solved, and the requirements for temperature field distribution are met. The multi-group heating system design adopts a multi-point heating and parameter optimization mode to ensure the uniformity of the temperature distribution inside the condensation cavity and provides a stable and reliable temperature environment for experiments.

[0026] Reference Figs. 1-2 As shown, the end of the heating pipe 3 is provided with a connecting flange 4, and a through hole is formed in the inside of the connecting flange 4 to facilitate the installation of the heating rod 5.

[0027] Reference Figs. 1-2 As shown, the inner diameter of the condensation pipe 1 is 50 mm, and the outer diameter of the condensation pipe 1 is 80 mm.

[0028] The method comprises the following steps:

[0029] Step 1, a double-layer hollow condensation pipe and a heating pipe are welded in an integrated structure, liquid nitrogen is introduced between the outer wall and the inner wall to realize rapid cooling to a reference temperature of 77K.

[0030] Specifically, it comprises the following steps: Step 1.1, a double-layer hollow condensation pipe is used, an annular cavity is formed between the inner wall and the outer wall, the inner diameter of the condensation pipe is 50 mm, and the outer diameter of the condensation pipe is 80 mm;

[0031] Step 1.2, the heating pipe and the condensation pipe are connected in an inert gas protection welding mode to form an integrated structure;

[0032] Step 1.3, liquid nitrogen is introduced into the annular cavity between the outer wall and the inner wall of the condensation pipe to rapidly cool the condensation pipe to 77K by using the low temperature of the liquid nitrogen.

[0033] Step 2, gradient heating is performed in the inner cavity of the heating pipe by using a high-precision heating pipe to construct a wide-range temperature control system from 77K to room temperature (RT), and the heating pipe adopts eight high-precision heating wires in parallel, and the power of each heating wire is 200W, and the total power is 1200W.

[0034] Step 3, the thermal resistance array of eight heating systems is introduced and integrated at the end of the heating pipe in a circumferentially symmetrical arrangement.

[0035] Specifically, it comprises the following steps: Step 3.1, eight thermal resistances of the heating system are arranged at the end of the heating pipe, and the eight thermal resistances of the heating system are distributed in a circumferentially symmetrical manner;

[0036] Step 3.2, the heating system is simulated and optimized to determine the optimal arrangement.

[0037] Step 4, by dynamically adjusting the power output of the heating system, combining with thermal field simulation to optimize the thermal resistance distance, realizing the three-dimensional temperature field controllable step distribution of the condensing cavity, the heating system adopts the high-precision resistance wire with adjustable power, and the power range is 0-100W.

[0038] Step 6, the heat conduction interface design is optimized, the heating pipe tail end is extended and covers the outer wall of the condensing pipe, and the heat conduction between the condensing pipe and the heating pipe is greatly increased.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A temperature control device developed based on a desktop cluster device, characterized in that, include: The condenser (1) and the heating tube (3) are provided. The heating tube (3) is welded to one end of the condenser (1). The condenser (1) has a vacuum chamber (6) inside and a ring-shaped liquid nitrogen chamber (2) is opened inside the outer wall of the condenser (1). Multiple heating systems are uniformly arranged in a circular array at the end of the heating tube (3).

2. The temperature control device developed based on a desktop cluster device according to claim 1, characterized in that: The heating tube (3) has an installation groove on the inner side of its outer wall that matches the condenser tube (1).

3. The temperature control device developed based on a desktop cluster device according to claim 2, characterized in that: The heating system is configured with eight groups.

4. The temperature control device developed based on a desktop cluster device according to claim 3, characterized in that: The heating system includes a heating source, which is configured as a heating rod (5).

5. A temperature control device developed based on a desktop cluster device according to claim 4, characterized in that: The heating tube (3) is fitted with a connecting flange (4) at its end.

6. The temperature control device developed based on a desktop cluster device according to claim 1, characterized in that: The inner diameter of the condenser tube (1) is 50 mm, and the outer diameter of the condenser tube (1) is 80 mm.

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