High-precision temperature control device

By installing rods and helical blades inside the cooling pipes, and combining them with a temperature regulating device and a liquid regulating system, the problem of inaccurate gas temperature control was solved, and high-precision temperature stability was achieved.

CN224152902UActive Publication Date: 2026-04-21SHAANXI BOTONG ENVIRONMENTAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHAANXI BOTONG ENVIRONMENTAL TECH CO LTD
Filing Date
2025-06-19
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing gas temperature control devices struggle to achieve high-precision temperature stability during gas flow, resulting in inaccurate temperature control.

Method used

The system employs a design with rods and spiral blades inside the cooling pipes, combined with a temperature regulating device and temperature regulating pipeline. It utilizes a mixing pump, heating wire, and semiconductor cooling chip for precise temperature regulation, and achieves stable control of gas temperature through a liquid pump and sensor.

Benefits of technology

It achieves uniform heat exchange and precise regulation of gas temperature, improving the accuracy and stability of temperature control.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224152902U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of gas temperature control, and discloses a high-precision temperature control device which comprises a cooling pipeline, one end of the cooling pipeline is communicated with a gas inlet pipe, the other end of the cooling pipeline is communicated with a gas outlet pipe, and a rod body arranged in the length direction of the cooling pipeline is arranged in the cooling pipeline. A spiral blade surrounding the rod body is arranged in the cooling pipeline; a temperature adjusting pipeline is arranged on the outer side of the cooling pipeline in a surrounding mode, and a temperature adjusting device is arranged on the temperature adjusting pipeline in a communicating mode. The temperature adjusting device comprises a cavity, a movable plate dividing the cavity into a cooling area and an adjusting area is movably arranged in the cavity, and the movable plate is provided with a liquid pump communicated with the cooling area and the adjusting area and a first temperature sensor and a second temperature sensor which are arranged in the cooling area and the adjusting area respectively. Compared with the prior art, the gas temperature adjusting device has the advantages that the gas temperature can be adjusted, so that the gas temperature is stabilized at a certain temperature value.
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Description

Technical Field

[0001] This utility model relates to the field of gas temperature control technology, specifically to a high-precision temperature control device. Background Technology

[0002] In the field of gas concentration measurement or in the process of using gas in industrial manufacturing and chemical experiments, the temperature of the gas has a significant impact on the results. Therefore, it is essential to maintain the gas temperature at a certain value. Thus, a gas temperature control device is needed to stabilize the gas temperature near the specified temperature value.

[0003] Gas temperature control devices typically require gas to be introduced into a flow channel during operation, and the gas temperature is raised or lowered using heating or cooling mechanisms. Since the gas flow rate is generally fast, temperature control can be inaccurate, thus requiring a high-precision gas temperature control device. Utility Model Content

[0004] (I) Technical problems to be solved

[0005] The technical problem to be solved by this utility model is to overcome the above difficulties and provide a high-precision temperature control device that can adjust the gas temperature and stabilize the gas temperature at a certain temperature value.

[0006] (II) Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a high-precision temperature control device, including a cooling pipe, one end of which is connected to an air inlet pipe and the other end of which is connected to an air outlet pipe, a rod arranged along the length of the cooling pipe is provided inside the cooling pipe, and spiral blades arranged around the rod are provided inside the cooling pipe.

[0008] A temperature regulating pipe is provided around the outside of the cooling pipe, and a temperature regulating device is connected to the temperature regulating pipe.

[0009] The temperature regulating device includes a cavity, in which a movable plate is movably disposed, dividing the cavity into a cooling zone and a regulating zone. The movable plate is provided with a liquid pump connecting the cooling zone and the regulating zone, and a first temperature sensor and a second temperature sensor respectively disposed in the cooling zone and the regulating zone. The regulating zone is provided with a mixing pump and a heating wire disposed at the output end of the mixing pump. A semiconductor refrigeration chip with its cooling end disposed in the regulating zone is provided on the side wall of the regulating zone.

[0010] As an improvement, the cavity is provided with a screw and smooth rods on both sides of the screw, the movable plate is sleeved on the screw and smooth rods, and a motor connected to the screw is provided on the outside of the cavity.

[0011] As an improvement, the mixing pump is mounted in the adjustment area via a mounting frame.

[0012] As an improvement, a third temperature sensor is provided inside the exhaust pipe.

[0013] As an improvement, the cooling pipe is provided with an insulation layer that wraps around the temperature regulating pipe.

[0014] (III) Beneficial Effects

[0015] The advantages of this utility model compared with the prior art are as follows:

[0016] 1. The cooling pipe is equipped with a rod and spiral blades arranged around the rod, which can make the gas move in a spiral motion when passing through the cooling pipe, so that the gas can contact the cooling pipe more evenly and achieve sufficient heat exchange.

[0017] 2. The temperature regulating device and the temperature regulating pipeline surrounding the cooling pipe work together to regulate the temperature of the cooling pipe, thereby regulating the temperature of the gas inside the cooling pipe.

[0018] 3. The mixing pump and heating wire work together to heat the liquid in the adjustment zone, the semiconductor cooling chip cools the liquid in the adjustment zone, and the liquid pump delivers the liquid in the cooling zone to the adjustment zone for precise adjustment. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] As shown in the figure: 1. Cooling pipe; 2. Inlet pipe; 3. Outlet pipe; 4. Rod body; 5. Spiral blade; 6. Temperature regulating pipe; 7. Temperature regulating device; 8. Cavity; 9. Cooling zone; 10. Regulating zone; 11. Movable plate; 12. Liquid pump; 13. First temperature sensor; 14. Second temperature sensor; 15. Mixing pump; 16. Heating wire; 17. Semiconductor cooling chip; 18. Screw; 19. Smooth rod; 20. Motor; 21. Mounting frame; 22. Third temperature sensor; 23. Insulation layer. Detailed Implementation

[0021] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. Example

[0022] Combined with appendix Figure 1A high-precision temperature control device includes a cooling pipe 1, one end of which is connected to an air inlet pipe 2 and the other end is connected to an air outlet pipe 3. A rod 4 is provided inside the cooling pipe 1 along the length of the cooling pipe 1, and a spiral blade 5 is provided inside the cooling pipe 1 surrounding the rod 4.

[0023] A temperature regulating pipe 6 is provided around the outside of the cooling pipe 1, and a temperature regulating device 7 is connected to the temperature regulating pipe 6.

[0024] Gas enters the cooling pipe 1 through the inlet pipe 2, and after heat exchange in the cooling pipe 1, it enters the outlet pipe 3. When the gas is in the cooling pipe 1, it will flow along the spiral channel formed by the spiral blade 5, the cooling pipe 1, and the rod 4, so that the gas can exchange heat more fully with the temperature regulating pipe 6. The outlet pipe 3 is equipped with a third temperature sensor 22, which can monitor the temperature of the gas in the outlet pipe 3.

[0025] The temperature regulating device 7 includes a cavity 8, in which a movable plate 11 is movably disposed, dividing the cavity 8 into a cooling zone 9 and a regulating zone 10. The movable plate 11 is provided with a liquid pump 12 that connects the cooling zone 9 and the regulating zone 10, and a first temperature sensor 13 and a second temperature sensor 14 respectively disposed in the cooling zone 9 and the regulating zone 10. The regulating zone 10 is provided with a mixing pump 15 and a heating wire 16 disposed at the output end of the mixing pump 15. The side wall of the regulating zone 10 is provided with a semiconductor cooling chip 17 with its cooling end placed in the regulating zone 10.

[0026] The heating wire 16 can heat the liquid in the regulating zone 10, the semiconductor cooling chip 17 can cool the liquid in the regulating zone 10, the mixing pump 15 can fully mix the liquid in the regulating zone 10, the first sensor 13 and the second sensor 14 can monitor the temperature of the liquid in the cooling zone 9 and the regulating zone 10 respectively, and the liquid pump 12 can transport the liquid in the cooling zone 9 to the regulating zone 10 to precisely regulate the temperature of the liquid in the regulating zone 10.

[0027] The cavity 8 is provided with a screw 18 and smooth rods 19 on both sides of the screw 18. The movable plate 11 is sleeved on the screw 18 and the smooth rods 19. The outside of the cavity 8 is provided with a motor 20 connected to the screw 18. The motor 20 drives the screw 18 to rotate. The screw 18 drives the movable plate 11 to move in the cavity 8, adjusting the volume of the cooling zone 9 and the adjustment zone 10 so that the liquid level on both sides is consistent.

[0028] The mixing pump 15 is installed in the adjustment zone 10 via the mounting frame 21, so that the mixing pump 15 and the cavity 8 are kept at a certain distance, which can quickly mix the liquid in the adjustment zone 10.

[0029] The cooling pipe 1 is provided with an insulation layer 23 that wraps around the temperature regulating pipe 6, which insulates the temperature regulating pipe 6 and the cooling pipe 1 and reduces heat loss.

[0030] The motor 20, liquid pump 12, first temperature sensor 13, second temperature sensor 14, mixing pump 15, heating wire 16, semiconductor refrigeration chip 17, third temperature sensor 22 and their matching power supply and controller mentioned in this utility model can be provided by the manufacturer. Apart from that, the circuits, electronic components and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated.

[0031] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, alterations, deletions of some features, additions of features, or recombinations of features to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the innovative principles of the present invention shall still fall within the scope of the technical solutions of the present invention.

Claims

1. A high-precision temperature control device, comprising a cooling pipe, wherein one end of the cooling pipe is connected to an air inlet pipe and the other end is connected to an air outlet pipe, characterized in that: The cooling pipe is provided with a rod arranged along the length of the cooling pipe, and the cooling pipe is provided with helical blades arranged around the rod. A temperature regulating pipe is provided around the outside of the cooling pipe, and a temperature regulating device is connected to the temperature regulating pipe. The temperature regulating device includes a cavity, in which a movable plate is movably disposed, dividing the cavity into a cooling zone and a regulating zone. The movable plate is provided with a liquid pump connecting the cooling zone and the regulating zone, and a first temperature sensor and a second temperature sensor respectively disposed in the cooling zone and the regulating zone. The regulating zone is provided with a mixing pump and a heating wire disposed at the output end of the mixing pump. A semiconductor refrigeration chip with its cooling end disposed in the regulating zone is provided on the side wall of the regulating zone.

2. The high-precision temperature control device according to claim 1, characterized in that: The cavity contains a screw and smooth rods on both sides of the screw. The movable plate is sleeved on the screw and smooth rods. A motor connected to the screw is located on the outside of the cavity.

3. The high-precision temperature control device according to claim 1, characterized in that: The mixing pump is mounted in the adjustment area via a mounting frame.

4. The high-precision temperature control device according to claim 1, characterized in that: A third temperature sensor is installed inside the air outlet pipe.

5. The high-precision temperature control device according to claim 1, characterized in that: The cooling pipe is equipped with an insulation layer that wraps around the temperature regulating pipe.