High-stability temperature control device for flow loop heat pipe
By designing a highly stable temperature control device, the flow rate of the coolant is dynamically adjusted using a temperature control valve and a heating chamber, combined with air convection circulation. This solves the problem of slow response speed in traditional flow loop heat pipe temperature control devices, achieving efficient temperature control and stable equipment operation.
Patent Information
- Application Number
- CN202520203930.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Traditional flow loop heat pipe temperature control devices are difficult to achieve high-precision temperature control, have slow response speeds, and cannot adapt to rapidly changing heat loads, leading to equipment temperature runaway.
A highly stable temperature control device was designed, comprising a housing, heat dissipation components, a temperature control valve, and a heating chamber. By monitoring the temperature in real time, the device dynamically adjusts the coolant flow and temperature using the temperature control valve and heating tube, and combines this with air convection circulation to achieve precise temperature control.
It achieves efficient heat transfer and precise temperature regulation, ensuring stable operation of the equipment within a suitable temperature range, avoiding equipment damage, and improving system efficiency and energy utilization.
Smart Images
Figure CN223826849U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of temperature control technology, specifically to a high-stability temperature control device for a flow loop heat pipe. Background Technology
[0002] Flow-loop heat pipes have been widely used in numerous fields, such as heat dissipation for electronic devices, aerospace thermal control, and thermal management of new energy systems. With the continuous development of modern technology, these applications have increasingly higher requirements for temperature stability. In high-performance electronic devices, the integration of chips is constantly increasing, and the heat generation power is also increasing accordingly. Even small temperature fluctuations can affect the performance and lifespan of the chips.
[0003] Traditional flow-loop heat pipe temperature control methods often rely on simple mechanical thermostats or rudimentary electronic control systems, making it difficult to achieve high-precision temperature control. These methods typically only manage temperature within a large error range, failing to meet the stringent temperature stability requirements of applications. When the heat load changes rapidly, traditional temperature control devices respond slowly and cannot adjust the heat pipe's operating state in time to adapt to the new thermal equilibrium demands. This can lead to the heat pipe being in a state of temperature runaway for a period of time, causing damage to the equipment. For example, in some industrial production processes, due to intermittent changes in the production process, the heat load may suddenly increase or decrease. Traditional temperature control devices may require several minutes to respond effectively, during which time the equipment may have already malfunctioned due to overheating or overcooling.
[0004] Therefore, there is an urgent need for a high-stability temperature control device for flow loop heat pipes to improve the shortcomings of existing technologies. Utility Model Content
[0005] The purpose of this invention is to provide a high-stability temperature control device for a flow loop heat pipe to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides a high-stability temperature control device for a flow loop heat pipe, comprising a housing, a base, an outer frame fixedly connected to the upper surface of the base, a heat dissipation assembly fixedly connected inside the outer frame, a condenser, a bracket fixedly connected to the surface of the condenser, a motor fixedly connected to the bracket, a fan blade fixedly connected to the output shaft of the motor, a liquid pipe fixedly connected to the lower end of the condenser, a compensation tank fixedly connected to one end of the liquid pipe, a water pump fixedly connected to the upper surface of the compensation tank, a water inlet pipe fixedly connected to one end of the water pump, an evaporator fixedly connected to one end of the water inlet pipe, the evaporator absorbing heat and heating and vaporizing the coolant, a steam pipe fixedly connected to the other end of the evaporator, and the other end of the steam pipe fixedly connected to the condenser.
[0007] As a further improvement to this technical solution, the upper surface of the base is provided with several fixing holes, the two sides of the outer frame are respectively provided with ventilation groove one, the front of the outer frame is provided with ventilation groove two, and a baffle is fixedly connected inside the outer frame.
[0008] As a further improvement to this technical solution, a connecting pipe is fixedly connected to the surface of the liquid pipe, a temperature control valve is fixedly connected to the surface of the connecting pipe, the other end of the connecting pipe is connected to the water supply pipe, and a fixed bracket is fixedly connected to the lower end of the evaporator, and the fixed bracket is fixedly connected to the base.
[0009] As a further improvement to this technical solution, the upper surface of the compensation tank is provided with a filling port for adding coolant, and a heating chamber is fixedly connected to the lower surface of the compensation tank, with a heating pipe fixedly connected inside the heating chamber.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] This high-stability temperature control device for the flow-loop heat pipe ensures that the working medium inside the heat pipe operates under optimal phase change conditions by precisely controlling the operating temperature of the flow-loop heat pipe. This allows for efficient heat transfer from the heat source to the radiator. At the evaporator end, stable temperature control ensures that the working medium fully absorbs heat and rapidly vaporizes; at the condenser end, a suitable temperature environment causes the gaseous working medium to quickly condense into a liquid state, flowing back to the evaporator to continue the cycle. This efficient heat transfer process not only improves the efficiency of the entire heat dissipation system but also reduces energy waste. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall structure of the embodiment;
[0013] Figure 2 This is a schematic diagram of the shell structure of an embodiment;
[0014] Figure 3 This is a schematic diagram of the internal structure of the outer frame in the embodiment;
[0015] Figure 4 This is a schematic diagram of the heating chamber structure for an embodiment.
[0016] The meanings of the labels in the diagram are as follows:
[0017] 1. Shell; 10. Base; 11. Fixing hole; 12. Outer frame; 13. Ventilation slot one; 14. Ventilation slot two; 15. Baffle;
[0018] 2. Heat dissipation components; 20. Condenser; 21. Bracket; 22. Motor; 23. Fan blades; 24. Liquid pipe; 25. Thermostatic valve; 250. Connecting pipe; 26. Compensation tank; 260. Filling port; 27. Water pump; 270. Water supply pipe; 28. Steam pipe; 29. Heating chamber; 290. Heating tube;
[0019] 3. Evaporator; 30. Mounting bracket. Detailed Implementation
[0020] 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.
[0021] Please see Figures 1-4 As shown, this embodiment provides a high-stability temperature control device for a flow loop heat pipe, including a housing 1. The housing 1 includes a base 10. An outer frame 12 is fixedly connected to the upper surface of the base 10. A heat dissipation assembly 2 is fixedly connected inside the outer frame 12. The heat dissipation assembly 2 includes a condenser 20. A bracket 21 is fixedly connected to the surface of the condenser 20. A motor 22 is fixedly connected to the bracket 21. A fan blade 23 is fixedly connected to the output shaft of the motor 22. A liquid pipe 24 is fixedly connected to the lower end of the condenser 20. A compensation tank 26 is fixedly connected to one end of the liquid pipe 24. A water pump 27 is fixedly connected to the upper surface of the compensation tank 26. A water inlet pipe 270 is fixedly connected to one end of the water pump 27. An evaporator 3 is fixedly connected to one end of the water inlet pipe 270. The evaporator 3 absorbs heat and heats and vaporizes the coolant. A steam pipe 28 is fixedly connected to the other end of the evaporator 3. The other end of the steam pipe 28 is fixedly connected to the condenser 20.
[0022] The working principle is as follows: First, the coolant absorbs heat in the evaporator 3 and vaporizes. The gaseous coolant, carrying heat, flows through the steam pipe 28 to the condenser 20. Simultaneously, the motor 22 starts, driving the fan blades 23 to rotate, accelerating the airflow around the condenser 20 and enhancing its heat dissipation capacity. The condenser 20 dissipates the heat from the gaseous coolant into the surrounding air, causing it to re-liquefy and flow back to the compensation tank 26. Afterwards, water pump 27 operates, transporting the liquid coolant in compensation tank 26 back to evaporator 3 through water supply pipe 270. This cycle repeats, forming a stable loop flow of coolant between evaporator 3, steam pipe 28, condenser 20, liquid pipe 24, compensation tank 26, and water supply pipe 270. This continuously and effectively transfers heat from the high-temperature area of evaporator 3 to the low-temperature area of condenser 20, and dissipates the heat through the air cooling effect of fan blades 23. This achieves precise temperature control and efficient regulation, maintains the stable operation of the system, ensures that the cooled object is always in a suitable temperature environment, avoids adverse effects on the equipment due to excessively high or fluctuating temperatures, and guarantees the normal operation and stable performance of the equipment.
[0023] To facilitate air convection with the outside air, in this embodiment, the upper surface of the base 10 is provided with several fixing holes 11, the outer frame 12 has ventilation slots 13 on both sides, and ventilation slot 14 on the front of the outer frame 12. A baffle 15 is fixedly connected inside the outer frame 12. The fixing holes 11 on the base 10 ensure stable installation of the device while facilitating airflow at the bottom, allowing heat to dissipate better. The ventilation slots 13 on both sides of the outer frame 12 and the ventilation slot 14 on the front form channels for air in and out. When the fan operates, causing air to circulate around the condenser 20, cold air is drawn in through the ventilation slots 13 and acts directly on the surface of the condenser 20, while hot air is discharged through the ventilation slots 14, forming a continuous air convection circulation. The baffle 15 inside the outer frame 12 effectively guides and regulates the airflow direction, ensuring that the air flows evenly through all parts of the condenser 20, preventing hot air from stagnating and flowing back, greatly improving the heat exchange efficiency between the air and the condenser 20, thereby enhancing the heat transfer effect between the entire device and the external environment, and creating good conditions for maintaining the system temperature stability.
[0024] To adjust operating conditions according to temperature, in this embodiment, a connecting pipe 250 is fixedly connected to the surface of the liquid pipe 24, and a thermostatic valve 25 is fixedly connected to the surface of the connecting pipe 250. The other end of the connecting pipe 250 is connected to the water inlet pipe 270. A fixing bracket 30 is fixedly connected to the lower end of the evaporator 3, and the fixing bracket 30 is fixedly connected to the base 10. When the system is running, the connecting pipe 250 and the thermostatic valve 25 on the liquid pipe 24 begin to play a crucial role. The temperature sensor monitors the system temperature in real time. Once the temperature deviates from the set range, the thermostatic valve 25 will respond according to the received temperature signal. If the temperature rises, the opening of the thermostatic valve 25 increases, allowing some coolant to flow quickly from the liquid pipe 24 through the connecting pipe 250 into the water inlet pipe 270, thereby increasing the coolant flow rate in the evaporator 3 and accelerating heat absorption and transfer to the condenser 20 for heat dissipation. Conversely, if the temperature drops, the opening of the thermostatic valve 25 decreases, limiting the amount of coolant flowing into the connecting pipe 250, thereby controlling the heat absorption rate of the evaporator 3. The fixed bracket 30 under the evaporator 3 securely fixes it to the base 10, ensuring the stability of the evaporator 3 during the temperature regulation process, ensuring the accuracy and efficiency of the coolant circulation path, and enabling the entire system to dynamically adjust its operating conditions according to temperature changes and maintain stable operation within a suitable temperature range.
[0025] To assist in heating, in this embodiment, the upper surface of the compensation tank 26 is provided with a filling port 260 for adding coolant. A heating chamber 29 is fixedly connected to the lower surface of the compensation tank 26, and a heating pipe 290 is fixedly connected inside the heating chamber 29. The filling port 260 on the compensation tank 26 serves as an inlet for coolant replenishment, facilitating timely replenishment of appropriate amounts of coolant during system operation when coolant is lost due to various reasons, ensuring a sufficient supply of coolant in the flow loop heat pipe system and maintaining normal heat transfer circulation. When the ambient temperature of the system is low or rapid temperature rise is required during initial startup, the heating chamber 29 and its internal heating pipe 290 under the compensation tank 26 begin to operate. The heating pipe 290 generates heat after being energized, and this heat is evenly transferred by the heating chamber 29 to the coolant in the compensation tank 26, raising the coolant temperature. After being heated, the coolant flows to the evaporator 3 through the liquid pipe 24 and the water inlet pipe 270 under the action of pressure difference. Heat is released in the evaporator 3, providing additional heat to the entire system and helping the system temperature to rise to the set operating temperature range. This ensures that the system can operate stably and efficiently even at low temperatures or during startup, meeting diverse operating conditions.
[0026] In this embodiment, the high-stability temperature control device for a flow loop heat pipe is used in a specific way. First, the fixing holes 11 on the base 10 ensure stable installation of the device while facilitating airflow at the bottom, allowing heat to dissipate better. The ventilation slots 13 on both sides of the outer frame 12 and the ventilation slot 14 on the front form channels for air in and out. When the fan operates, causing air to flow around the condenser 20, cold air is drawn in through the ventilation slot 13 and acts directly on the surface of the condenser 20, while hot air is discharged through the ventilation slot 14, forming a continuous air convection circulation. The baffle 15 inside the outer frame 12 effectively guides and regulates the airflow direction, ensuring that air flows evenly through all parts of the condenser 20, preventing hot air from stagnating and flowing back, greatly improving the heat exchange efficiency between the air and the condenser 20, thereby enhancing the heat transfer effect between the entire device and the external environment, creating favorable conditions for maintaining stable system temperature. When the system is running, the connecting pipe 250 on the liquid pipe 24 and the temperature control valve 25 begin to play a key role. A temperature sensor monitors the system temperature in real time. If the temperature deviates from the set range, the temperature control valve 25 will respond based on the received temperature signal. When the ambient temperature of the system is low or rapid heating is required during the initial startup, the heating chamber 29 under the compensation tank 26 and its internal heating tube 290 begin to operate. After the heating tube 290 is energized, it generates heat, which is evenly transferred by the heating chamber 29 to the coolant in the compensation tank 26, causing the coolant temperature to rise. After heating, the coolant flows to the evaporator 3 through the liquid pipe 24 and the water inlet pipe 270 under the action of pressure difference. Heat is released in the evaporator 3. If the temperature rises, the opening of the thermostatic valve 25 increases, allowing some coolant to flow rapidly from the liquid pipe 24 into the water inlet pipe 270 via the connecting pipe 250, thereby increasing the coolant flow rate in the evaporator 3 and accelerating heat absorption and transfer to the condenser 20 for heat dissipation. Conversely, if the temperature drops, the opening of the thermostatic valve 25 decreases, limiting the amount of coolant flowing into the connecting pipe 250, thus controlling the heat absorption rate of the evaporator 3. Simultaneously, the motor 22 starts, driving the fan blades 23 to rotate, accelerating the airflow around the condenser 20 and enhancing its heat dissipation capacity. The condenser 20 dissipates the heat of the gaseous coolant into the surrounding air, causing it to re-liquefy and flow back to the compensation tank 26. Afterwards, water pump 27 operates, transporting the liquid coolant in compensation tank 26 back to evaporator 3 through water supply pipe 270. This cycle repeats, forming a stable loop flow of coolant between evaporator 3, steam pipe 28, condenser 20, liquid pipe 24, compensation tank 26, and water supply pipe 270. This continuously and effectively transfers heat from the high-temperature area of evaporator 3 to the low-temperature area of condenser 20, and dissipates the heat through the air cooling effect of fan blades 23. This achieves precise temperature control and efficient regulation, maintains the stable operation of the system, ensures that the cooled object is always in a suitable temperature environment, avoids adverse effects on the equipment due to excessively high or fluctuating temperatures, and guarantees the normal operation and stable performance of the equipment.
[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A high-stability temperature control device for a flow loop heat pipe, comprising a housing (1), characterized in that: The housing (1) includes a base (10), an outer frame (12) is fixedly connected to the upper surface of the base (10), a heat dissipation assembly (2) is fixedly connected inside the outer frame (12), the heat dissipation assembly (2) includes a condenser (20), a bracket (21) is fixedly connected to the surface of the condenser (20), a motor (22) is fixedly connected to the bracket (21), a fan blade (23) is fixedly connected to the output shaft of the motor (22), and a liquid pipe (23) is fixedly connected to the lower end of the condenser (20). 4) One end of the liquid pipe (24) is fixedly connected to a compensation tank (26), and a water pump (27) is fixedly connected to the upper surface of the compensation tank (26). One end of the water pump (27) is fixedly connected to a water inlet pipe (270), and one end of the water inlet pipe (270) is fixedly connected to an evaporator (3). The evaporator (3) heats and vaporizes the coolant after absorbing heat. The other end of the evaporator (3) is fixedly connected to a steam pipe (28), and the other end of the steam pipe (28) is fixedly connected to a condenser (20).
2. The high-stability temperature control device for the flow loop heat pipe according to claim 1, characterized in that: The base (10) has several fixing holes (11) on its upper surface. The outer frame (12) has ventilation slots (13) on both sides. The outer frame (12) has ventilation slots (14) on its front side. A baffle (15) is fixedly connected inside the outer frame (12).
3. The high-stability temperature control device for a flow loop heat pipe according to claim 1, characterized in that: A connecting pipe (250) is fixedly connected to the surface of the liquid pipe (24), a temperature control valve (25) is fixedly connected to the surface of the connecting pipe (250), the other end of the connecting pipe (250) is connected to the water supply pipe (270), a fixed bracket (30) is fixedly connected to the lower end of the evaporator (3), and the fixed bracket (30) is fixedly connected to the base (10).
4. The high-stability temperature control device for a flow loop heat pipe according to claim 1, characterized in that: The upper surface of the compensation tank (26) is provided with a filling port (260) for adding coolant. A heating chamber (29) is fixedly connected to the lower surface of the compensation tank (26), and a heating tube (290) is fixedly connected inside the heating chamber (29).