High and low temperature integrated temperature control device

Abstract

The utility model relates to a high and low temperature integrated temperature control device, and relates to the field of reaction system temperature control, the high and low temperature integrated temperature control device comprises a reaction container and a box body, the box body is internally provided with a heating cavity and a low-temperature circulating groove, the heating cavity is communicated with the low-temperature circulating groove, the heating cavity is internally provided with a wind-heat temperature control assembly, and the wind-heat temperature control assembly is internally provided with a wind-heat temperature control device. The low-temperature circulating tank is externally connected with a refrigerant system, the reaction container is arranged in the low-temperature circulating tank, and a bottle opening of the reaction container extends out of the box body. The uniform heating effect is provided through the wind-heat temperature control assembly in the heating cavity, the low-temperature circulating tank provides a stable low-temperature environment through the refrigerant system, high-temperature and low-temperature integrated control is achieved, complexity of traditional separate design is avoided, the size of the device is reduced, and operation convenience is improved; and the integrated and optimized design and the design that the wind-heat temperature control assembly replaces the traditional silicone oil temperature control design are adopted, so that the safety risk in the reaction can be reduced, the external cleanness of the reaction container can be ensured, and the cleaning procedure is reduced.

Description

Technical Field

[0001] This application relates to the field of reaction system temperature control, and particularly to a high and low temperature integrated temperature control device. Background Art

[0002] In modern chemical experiments, temperature control is a key link to ensure the stability of reaction conditions. To achieve high-temperature heating control, traditional laboratories usually rely on electrically heated thermal conductive silicone oil. This method can provide a stable heating effect to a certain extent, but there are also some problems that limit its application in laboratories.

[0003] Firstly, during use, electrically heated thermal conductive silicone oil is prone to adhering to the outside of the reaction vessel. This not only affects the cleanliness of the experimental equipment but also increases the difficulty of cleaning. The adhesiveness of the silicone oil forms stubborn dirt on the container surface, which is difficult to completely remove, thus potentially causing pollution to the laboratory environment. In addition, the service life of the silicone oil is limited. Over time, the thermal conductivity of the silicone oil gradually decreases, increasing safety risks during the experiment, such as temperature control instability or the possibility of equipment failure.

[0004] Secondly, traditional high-temperature and low-temperature control systems are usually designed separately. In such a system, different mass transfer media are used for high-temperature heating and low-temperature refrigeration, which leads to complexity in equipment design. High-temperature control relies on silicone oil, while low-temperature control may use other types of coolants or refrigeration liquids. This partitioned control method not only results in a larger equipment volume but also increases the energy consumption of the system. Due to the separation of the heating and cooling systems, the overall integration of the equipment is low, and it is difficult to achieve an integrated temperature control solution.

[0005] Therefore, there is an urgent need to develop a more efficient, safe, and integrated temperature control system. Utility Model Content

[0006] To develop a more efficient, safe, and integrated temperature control system, this application provides a high and low temperature integrated temperature control device.

[0007] The high and low temperature integrated temperature control device provided by this application adopts the following technical solutions:

[0008] A high and low temperature integrated temperature control device includes a reaction vessel and a box body. A heating chamber and a low-temperature circulation tank are provided inside the box body. The heating chamber is communicated with the low-temperature circulation tank. A wind-heat temperature control component is provided in the heating chamber. A refrigerant system is externally connected to the low-temperature circulation tank. The reaction vessel is arranged in the low-temperature circulation tank, and the bottle mouth of the reaction vessel extends outside the box body.

[0009] By adopting the above technical solution, through effective design and layout, the air-heating temperature control component in the heating chamber provides a uniform heating effect, while the low-temperature circulating bath provides a stable low-temperature environment through the refrigerant system. The coordinated operation of the two can achieve temperature control of the sample in the reaction vessel, thereby realizing the integrated control of high temperature and low temperature, avoiding the complexity of traditional separate designs, reducing the volume of the device and improving the operation convenience; moreover, the integrated and optimized design, as well as the design of replacing the traditional silicone oil temperature control with the air-heating temperature control component, can not only reduce the safety risks in the reaction, but also ensure the external cleanliness of the reaction vessel and reduce the cleaning process.

[0010] In a specific feasible implementation scheme, the heating chamber is provided with a first air outlet, the first air outlet is communicated with the notch of the low-temperature circulating bath, and a first arc-shaped air guide plate is arranged on the first air outlet, and the first arc-shaped air guide plate extends into the low-temperature circulating bath.

[0011] By adopting the above technical solution, the setting of the first arc-shaped air guide plate enables the hot air flowing out from the first air outlet to be evenly distributed into the low-temperature circulating bath. The arc-shaped air guide plate design optimizes the air flow path, helps the hot air to be more effectively transferred and dispersed around the reaction vessel, and improves the performance and stability of the temperature control system.

[0012] In a specific feasible implementation scheme, the air-heating temperature control component includes a heating rod and a centrifugal fan arranged in the heating chamber, and the centrifugal fan is used to introduce the heat generated by the heating rod into the low-temperature circulating bath.

[0013] By adopting the above technical solution, the heating rod can provide a stable heat source, and the centrifugal fan can effectively transport the heat generated by the heating rod to the low-temperature circulating bath, improving the heat transfer efficiency and ensuring that the required temperature can be quickly reached and maintained in the low-temperature circulating bath.

[0014] In a specific feasible implementation scheme, the centrifugal fan includes a motor and a fan blade assembly, the fan blade assembly is arranged in the heating chamber, the motor is arranged outside the box body, and the motor shaft of the motor passes through the box body and is inserted into the heating chamber to be connected with the fan blade assembly.

[0015] By adopting the above technical solution, during operation, the rotation of the motor shaft drives the fan blade assembly to rotate at a high speed. When the fan blade assembly rotates in the heating chamber, the hot air is pushed from the center to the outside by the centrifugal force, and the hot air in the heating chamber is brought into the low-temperature circulating bath; by placing the motor outside the box body, it can be avoided that the motor directly works in a high-temperature environment, thereby reducing the safety risk and improving the service life and operation stability of the motor.

[0016] In a specific feasible implementation scheme, a plurality of heating rods are provided, and the plurality of heating rods are arranged along the circumferential side of the fan blade assembly.

[0017] By adopting the above technical solution, with a plurality of heating rods distributed along the circumferential side of the fan blade assembly, it helps to provide uniform heat in the entire heating chamber. Uniform heating can avoid local overheating or cooling and improve the uniformity of the heating effect.

[0018] In a specific feasible implementation, a circulation air duct is formed between the heating chamber and the inner wall of the box body from the low-temperature circulation tank, and both the heating chamber and the low-temperature circulation tank are communicated with the circulation air duct.

[0019] By adopting the above technical solution, with the design of the circulation air duct, the air circulation between the heating chamber and the low-temperature circulation tank is enhanced, promoting more effective transfer of heat and cold. The system can distribute the heating and cooling effects more evenly, helping to reduce heat and cold losses and improve the overall energy utilization efficiency.

[0020] In a specific feasible implementation, the heating chamber is provided with a second air outlet, which is communicated with the circulation air duct, and the low-temperature circulation tank is communicated with the circulation air duct through the notch of the low-temperature circulation tank.

[0021] By adopting the above technical solution, the heat and cold of the heating chamber and the low-temperature circulation tank can be effectively transferred in the circulation air duct, thereby improving the heat and cold transfer efficiency of the system, optimizing the temperature distribution, and enhancing the energy efficiency and system stability.

[0022] In a specific feasible implementation, a second arc-shaped air guide plate is provided at the notch of the low-temperature circulation tank.

[0023] By adopting the above technical solution, with the design of the second arc-shaped air guide plate, the air circulation between the low-temperature circulation tank and the circulation air duct can be optimized, the air flow resistance can be reduced, and the cold air or hot air can better diffuse in the low-temperature circulation tank and the circulation air duct, thereby improving the overall energy efficiency.

[0024] In a specific feasible implementation, the box body is provided with an opening, the reaction vessel is loaded into the low-temperature circulation tank through the opening, a hatch is movably connected to the opening, and the bottle mouth of the reaction vessel passes through the hatch and is fixed by the hatch.

[0025] By adopting the above technical solution, with the design of the opening and the movable hatch, the reaction vessel can be conveniently loaded into and taken out of the low-temperature circulation tank, improving the operation efficiency; the hatch can effectively fix the bottle mouth of the reaction vessel and ensure the airtightness inside the box body, guaranteeing the temperature control effects of high temperature and low temperature.

[0026] In a specific feasible implementation, a heat insulation layer is provided on the outer wall of the box body.

[0027] By adopting the above technical solution, the heat insulation layer can effectively reduce the heat exchange between the inside and outside of the box, reduce energy loss, maintain a low or high temperature environment inside, thereby reducing energy consumption and improving energy efficiency.

[0028] In a specific feasible implementation, the box body and the low-temperature circulation tank are provided with a refrigerant inlet, and the refrigerant system is communicated with the low-temperature circulation tank through the refrigerant inlet.

[0029] By adopting the above technical solution, it can ensure good communication between the refrigerant system and the low-temperature circulation tank, quickly and effectively send the refrigerant into the tank, achieve efficient cooling, maintain a low-temperature environment, and improve the reliability and stability of the system.

[0030] In a specific feasible implementation, it further includes a driving component, and the driving component is connected to the box body and drives the box body to move.

[0031] By adopting the above technical solution, the driving component enables the box body to move when needed, improves the flexibility and adaptability of the system. The introduction of the driving component makes the integration of the box body with other devices closer. Especially in application scenarios where the position needs to be adjusted, it makes the operation more convenient and reduces the need for manual handling.

[0032] In summary, the present application includes at least one of the following beneficial technical effects:

[0033] The present application provides a uniform heating effect through the air heat control component in the heating cavity, and the low-temperature circulation tank provides a stable low-temperature environment through the refrigerant system. The coordinated operation of the two can achieve temperature control of the sample in the reaction vessel, thereby realizing integrated control of high temperature and low temperature, avoiding the complexity of traditional separate designs, reducing the volume of the device and improving the operation convenience; and the integrated and optimized design, as well as the design of replacing the traditional silicone oil temperature control with the air heat control component, can not only reduce the safety risks in the reaction, but also ensure the external cleanliness of the reaction vessel and reduce the cleaning process. Description of the Drawings

[0034] Figure 1 is a schematic structural diagram of the high-low temperature integrated temperature control device of the embodiment of the present application.

[0035] Figure 2 is a schematic structural diagram for showing the air heat control component.

[0036] Figure 3 is a schematic diagram showing the flow direction of the air flow in the heating cavity, the low-temperature circulation tank and the circulation air duct.

[0037] Figure 4 is a cross-sectional view for showing the first air outlet and the second air outlet.

[0038] Figure 5 It is a schematic diagram showing the positional relationship between the box body and the drive assembly.

[0039] Explanation of reference numerals: 1. Box body; 2. Reaction vessel; 3. Heating chamber; 31. First air outlet; 32. First arc-shaped air guide plate; 33. Second air outlet; 4. Low-temperature circulation tank; 5. Wind-heat temperature control assembly; 51. Heating rod; 52. Centrifugal fan; 53. Motor; 54. Fan blade assembly; 55. Ring plate; 56. Centrifugal air blade; 6. Circulation air duct; 7. Second arc-shaped air guide plate; 8. Hatch; 9. Refrigerant inlet; 10. Drive assembly. Specific embodiments

[0040] The following will Figures 1-5 further elaborate on this application in detail.

[0041] Refer to Figure 1 and Figure 2 In the embodiments of this application, a high-low temperature integrated temperature control device is disclosed, including but not limited to chemical synthesis industrial processes that require wide temperature thresholds and integrated control of high and low temperatures, or for automated integrated control of low and high temperatures in laboratories;

[0042] The high-low temperature integrated temperature control device includes a reaction vessel 2 and a box body 1. A heating chamber 3 and a low-temperature circulation tank 4 are provided inside the box body 1, and the heating chamber 3 and the low-temperature circulation tank 4 are connected in communication;

[0043] The low-temperature circulation tank 4 is externally connected to a refrigerant system. A refrigerant inlet 9 communicating with the low-temperature circulation tank 4 is provided on the box body 1 and the low-temperature circulation tank 4. The refrigerant system is connected to the low-temperature circulation tank 4 through the refrigerant inlet 9; thus, it can ensure good connection between the refrigerant system and the low-temperature circulation tank 4, quickly and effectively send the refrigerant into the tank, achieve efficient cooling, maintain a low-temperature environment, and improve the reliability and stability of the system;

[0044] The reaction vessel 2 is arranged inside the low-temperature circulation tank 4 and the bottle mouth of the reaction vessel 2 extends outside the box body 1. The box body 1 is provided with an opening. The reaction vessel 2 is loaded into the low-temperature circulation tank 4 through the opening. A hatch 8 is movably connected to the opening. The bottle mouth of the reaction vessel 2 passes through the hatch 8 and is fixed by the hatch 8. In this embodiment, two hatches 8 are provided, and the loading and unloading of the reaction vessel 2 are realized through the opening and closing of the hatches; thus, the reaction vessel 2 can be conveniently loaded into and taken out of the low-temperature circulation tank 4, improving the operation efficiency; and it can effectively fix the reaction vessel 2, and also ensure the airtightness inside the box body 1, guaranteeing the temperature control effects of high and low temperatures;

[0045] Inside the heating chamber 3, there is a hot air temperature control component 5. The hot air temperature control component 5 includes a heating rod 51 and a centrifugal fan 52 disposed inside the heating chamber 3. The centrifugal fan 52 is used to introduce the heat generated by the heating rod 51 into the low-temperature circulation tank 4; the heating rod 51 can provide a stable heat source, and the centrifugal fan 52 can effectively transport the heat generated by the heating rod 51 to the low-temperature circulation tank 4, improving the heat transfer efficiency and ensuring that the required temperature can be quickly reached and maintained inside the low-temperature circulation tank 4;

[0046] The centrifugal fan 52 includes a motor 53 and a fan blade assembly 54. The fan blade assembly 54 is disposed inside the heating chamber 3, and the motor 53 is disposed outside the box body 1. The motor shaft of the motor 53 passes through the box body 1 and is inserted into the heating chamber 3 to be connected to the fan blade assembly 54. In this embodiment, the fan blade assembly 54 includes two ring plates 55 and a plurality of centrifugal fan blades 56 axially connected between the two ring plates 55; by placing the motor 53 outside the box body 1, it can be avoided that the motor 53 directly operates in a high-temperature environment, thereby reducing the safety risk and enhancing the service life and operation stability of the motor 53;

[0047] The heating rods 51 are provided in multiple numbers. In this embodiment, the heating rods 51 include but are not limited to 6 heating rods. The 6 heating rods 51 are arranged along the width direction of the heating chamber 3 and fixed on the cavity wall of the heating chamber 3, and the heating rods 51 are arranged along the circumferential side of the fan blade assembly 54; this helps to provide uniform heat throughout the heating chamber 3, and uniform heating can avoid local overheating or cooling, improving the uniformity of the heating effect;

[0048] In this embodiment, the Figure 3 dashed lines and arrows in the figure are used to indicate the flow direction of the air flow inside the heating chamber 3, the low-temperature circulation tank 4, and the circulation air duct 6. There are also various flow forms in actual operation;

[0049] Refer to Figure 3 and Figure 4, when heating is required, the air thermal control component 5 in the heating chamber 3 is started, and the heating rod 51 and the motor 53 start to work. The heating rod 51 operates to generate heat, and the motor 53 starts the rotation of the motor 53 shaft to drive the fan blade assembly 54 to rotate. When the fan blade assembly 54 rotates in the heating chamber 3, the heat generated by the heating rod 51 is pushed from the center to the outside through the air flow by centrifugal force, and the hot air in the heating chamber 3 is brought into the low-temperature circulation tank 4. The hot air will form a cycle between the heating chamber 3 and the low-temperature circulation tank 4. The hot air transfers heat to the reaction vessel 2 through the air flow in the low-temperature circulation tank 4, thus realizing high-temperature control; when cooling is required, the refrigerant system is started, and the generated refrigerant enters the low-temperature circulation cavity through the refrigerant inlet 9 and circulates to take away the heat around the reaction vessel 2, thus realizing low-temperature control; in this process, the air thermal control component 5 in the heating chamber 3 provides a uniform heating effect, while the low-temperature circulation tank 4 provides a stable low-temperature environment through the refrigerant system. The coordinated work of the two can realize the temperature control of the sample in the reaction vessel 2, thus realizing the integrated control of high temperature and low temperature, avoiding the complexity of traditional separate designs, reducing the device volume and improving the operation convenience.

[0050] Refer to Figure 3 and Figure 4 , the heating chamber 3 is provided with a first air outlet 31, the first air outlet 31 is communicated with the notch of the low-temperature circulation tank 4, and a first arc-shaped air guide plate 32 is arranged on the first air outlet 31, and the first arc-shaped air guide plate 32 extends into the low-temperature circulation tank 4; when heating is required, the air thermal control component 5 in the heating chamber 3 generates heat, and the heat is transferred to the low-temperature circulation tank 4 through the guidance of the first arc-shaped plate through the first air outlet 31. In this process, the setting of the first arc-shaped air guide plate 32 enables the hot air flowing out of the first air outlet 31 to be evenly distributed in the low-temperature circulation tank 4. The arc-shaped air guide plate design optimizes the air flow path, helps the hot air to be more effectively transferred and dispersed around the reaction vessel 2, and improves the performance and stability of the temperature control system.

[0051] A circulation air duct 6 is formed between the heating chamber 3 and the low-temperature circulation tank 4 to the inner wall of the box body 1. The heating chamber 3 and the low-temperature circulation tank 4 are both communicated with the circulation air duct 6. In this embodiment, the corner surfaces of the heating chamber 3 and the low-temperature circulation tank 4 are both set as rounded corner surfaces, and the rounded corner surfaces can reduce the air turbulence at the corners and promote the smooth flow of air in the circulation air duct 6, improving the air flow efficiency of the system; in actual work, the design of the circulation air duct 6 enhances the air circulation between the heating chamber 3 and the low-temperature circulation tank 4, promotes the more effective transfer of heat and cold, the system can distribute the heating and cooling effects more evenly, helps to reduce the loss of heat and cold, and improves the overall energy utilization efficiency.

[0052] The heating chamber 3 is provided with a second air outlet 33. In this embodiment, the second air outlet 33 is a circular air outlet. The second air outlet 33 is provided at the bottom of the heating chamber 3 and is correspondingly arranged with the fan assembly therein. The second air outlet 33 is communicated with the circulation air duct 6. The low-temperature circulation tank 4 is communicated with the circulation air duct 6 through the notch of the low-temperature circulation tank 4; thus, the heat and cold in the heating chamber 3 and the low-temperature circulation tank 4 can be effectively transferred in the circulation air duct 6, thereby improving the heat and cold transfer efficiency of the system, optimizing the temperature distribution, and enhancing the energy efficiency and system stability.

[0053] The notch of the low-temperature circulation tank 4 is provided with a second arc-shaped air guide plate 7. In this embodiment, the second arc-shaped air guide plate 7 is located on the side of the low-temperature circulation tank 4 away from the first arc-shaped air guide plate 32; the second arc-shaped air guide plate 7 can optimize the air circulation between the low-temperature circulation tank 4 and the circulation air duct 6, reduce the air flow resistance, and enable the cold air or hot air to better diffuse in the low-temperature circulation tank 4 and the circulation air duct 6, thereby improving the overall energy efficiency.

[0054] Refer to Figure 5 , the outer wall of the box body 1 is provided with a heat insulation layer; the heat insulation layer can effectively reduce the heat exchange between the inside and outside of the box body 1, reduce the energy loss, maintain the internal low-temperature or high-temperature environment, thereby reducing the energy consumption and enhancing the energy efficiency.

[0055] The high-low temperature integrated temperature control device further includes a driving component 10. The driving component 10 is connected to the box body 1 and drives the box body 1 to move; the driving component 10 enables the box body 1 to move when needed, improving the flexibility and adaptability of the system. The introduction of the driving component 10 makes the integration of the box body 1 with other devices closer. Especially in the application scenarios where the position needs to be adjusted, the operation is more convenient and the need for manual handling is reduced.

[0056] The implementation principle of the embodiment of the present application is as follows: When heating is required, the air-heat temperature control component 5 in the heating chamber 3 is started, and the heating rod 51 and the motor 53 start to work. The heating rod 51 operates to generate heat, and the motor 53 starts the rotation of the motor 53 shaft and drives the fan blade assembly 54 to rotate. When the fan blade assembly 54 rotates in the heating chamber 3, the heat generated by the heating rod 51 is pushed from the center to the outside through the air flow by the centrifugal force, and the hot air in the heating chamber 3 is introduced into the low-temperature circulation tank 4 through the first air outlet 31 and the first arc-shaped air duct. Moreover, the hot air in the heating chamber 3 can also be introduced into the circulation air duct 6 through the second air outlet 33, and then the hot air is introduced into the low-temperature circulation tank 4 through the notch of the low-temperature circulation tank 4 by the second arc-shaped air guide plate 7. The hot air will form a cycle among the heating chamber 3, the low-temperature circulation tank 4, and the circulation air duct 6. The hot air entering the low-temperature circulation tank 4 transfers the heat to the reaction vessel 2 through the air flow, thereby realizing the high-temperature control of the reaction vessel 2;

[0057] When cooling is required, the refrigerant system is activated, and the generated refrigerant enters the low-temperature circulation cavity through the refrigerant inlet 9 and circulates, taking away the heat around the reaction vessel 2, thereby realizing the low-temperature control of the reaction vessel 2. During this process, the cold air will also flow into the heating cavity 3 and the circulation air duct 6, and the cold air will form a circulation among the low-temperature circulation tank 4, the heating cavity 3, and the circulation air duct 6, improving the cooling circulation effect of the entire device;

[0058] In this application, the air-heating temperature control component 5 in the heating cavity 3 provides a uniform heating effect, and the low-temperature circulation tank 4 provides a stable low-temperature environment through the refrigerant system. The coordinated operation of the two can realize the temperature control of the sample in the reaction vessel 2, thereby realizing the integrated control of high temperature and low temperature, avoiding the complexity of traditional separate designs, reducing the device volume and improving the operation convenience; moreover, the integrated and optimized design, as well as the design of the air-heating temperature control component 5 replacing the traditional silicone oil temperature control, can not only reduce the safety risks during the reaction, but also ensure the external cleanliness of the reaction vessel 2 and reduce the cleaning process.

[0059] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited by this. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A high and low temperature integrated temperature control device, characterized in that: The invention comprises a reaction container (2) and a box (1), wherein a heating chamber (3) and a low-temperature circulation groove (4) are arranged in the box (1), wherein the heating chamber (3) and the low-temperature circulation groove (4) are connected to each other, wherein an air-heat temperature control component (5) is arranged in the heating chamber (3), and the low-temperature circulation groove (4) is externally connected to a refrigerant system, wherein the reaction container (2) is arranged in the low-temperature circulation groove (4) and the bottle mouth of the reaction container (2) extends to the outside of the box (1).

2. The high and low temperature integrated temperature control device according to claim 1, characterized in that: The heating chamber (3) is provided with a first air outlet (31), the first air outlet (31) being in communication with a slot of the low-temperature circulation groove (4), the first air outlet (31) being provided with a first arc-shaped air guide plate (32), the first arc-shaped air guide plate (32) extending into the low-temperature circulation groove (4).

3. The high and low temperature integrated temperature control device according to claim 1, characterized in that: The wind-heat temperature control component (5) comprises a heating rod (51) and a centrifugal fan (52) arranged in the heating chamber (3); the centrifugal fan (52) is used to introduce heat generated by the heating rod (51) into the low-temperature circulation tank (4).

4. The high and low temperature integrated temperature control device according to claim 3, characterized in that: The centrifugal fan (52) comprises a motor (53) and a fan blade assembly (54); the fan blade assembly (54) is arranged in the heating chamber (3); the motor (53) is arranged outside the casing (1); a motor (53) shaft of the motor (53) passes through the casing (1) and is inserted into the heating chamber (3) to be connected to the fan blade assembly (54).

5. The high and low temperature integrated temperature control device according to claim 4, characterized in that: The heating rods (51) are provided in plurality, and the plurality of heating rods (51) are arranged along the circumference of the fan blade assembly (54).

6. The high and low temperature integrated temperature control device according to claim 1, characterized in that: A circulating air duct (6) is formed between the heating chamber (3) and the low-temperature circulation groove (4) to the inner wall of the box body (1); the heating chamber (3) and the low-temperature circulation groove (4) are both in communication with the circulating air duct (6).

7. The high and low temperature integrated temperature control device according to claim 6, characterized in that: The heating chamber (3) is provided with a second air port (33), the second air port (33) being in communication with the circulating air duct (6), and the low-temperature circulating groove (4) being in communication with the circulating air duct (6) via a slot of the low-temperature circulating groove (4).

8. The high and low temperature integrated temperature control device according to claim 6, characterized in that: The notch of the low-temperature circulation groove (4) is provided with a second arc-shaped air guide plate (7).

9. The high and low temperature integrated temperature control device according to claim 1, characterized in that: The box body (1) is provided with an opening, and the reaction container (2) is loaded into the low-temperature circulation tank (4) through the opening. A hatch (8) is movably connected to the opening, and the bottle mouth of the reaction container (2) passes through the hatch (8) and is fixed by the hatch (8).

10. The high and low temperature integrated temperature control device according to claim 1, characterized in that: The outer wall of the box body (1) is provided with a heat-insulating layer.

11. The high and low temperature integrated temperature control device according to claim 1, characterized in that: The box body (1) and the low-temperature circulation tank (4) are provided with a refrigerant inlet (9), and the refrigerant system is connected to the low-temperature circulation tank (4) through the refrigerant inlet (9).

12. The high and low temperature integrated temperature control device according to claim 1, characterized in that: It also comprises a driving component (10), wherein the driving component (10) is connected to the box body (1) and drives the box body (1) to move.

Images