Evaporator of loop heat pipe

By designing a processing device in the circuit heat pipe and using a combination of hair dryer and electric heating wire, the problem of frost and dust accumulation in the fin radiator is solved, the heat transfer efficiency and system performance are improved, and the cleaning process is simplified.

CN222824590UActive Publication Date: 2025-05-02WUHAN LONGXINGYUAN INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421237587.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-05-02
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The fin radiator in the existing circuit heat pipe is prone to frost and dust accumulation, which increases thermal resistance and hinders heat transfer, resulting in system performance degradation and inconvenient cleaning.

Method used

An evaporator with a loop heat pipe is designed, and a treatment device includes a shell, a hair dryer, an electric heating wire and a barrier assembly. The air is blown into the hair dryer. The wind turns into hot air through the electric heating wire. The hot air heats the frost on the fins and blows away dust and impurities.

Benefits of technology

It effectively reduces the phenomenon of frost and dust accumulation on the fin radiator, reduces thermal resistance, improves heat transfer efficiency, simplifies the cleaning process, and improves system performance and convenience of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of evaporators, in particular to an evaporator of a loop heat pipe, which comprises a first side plate, a second side plate and a processing device, the second side plate is arranged on one side of the first side plate, the surfaces of the first side plate and the second side plate are provided with pipe bodies, and two ends of each pipe body are respectively provided with a feed port and a discharge port. By arranging the processing device, defrosting and dust removal can be conveniently conducted on fins in equipment, the phenomena that in the using process of a fin radiator in an existing loop heat pipe, the fins are prone to frosting and dust deposition, frost layers and dust layers on the fins increase heat resistance and hinder heat transfer, and consequently system performance is reduced can be effectively reduced, and in the follow-up cleaning process, the heat transfer efficiency is greatly improved. The problems that in the prior art, manual treatment is needed, use is inconvenient, fins on an existing fin evaporator are prone to frosting and dust deposition, the heat conduction effect is affected, and cleaning is inconvenient are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of evaporators, in particular to an evaporator of a loop heat pipe. Background Art

[0002] The loop heat pipe is a highly efficient two-phase thermal control device, which is mainly composed of an evaporator, a condenser, a steam pipe and a liquid pipe. It uses the phase change of the working fluid during the evaporation and condensation process to achieve heat transfer and regulation. The loop heat pipe has the advantages of low thermal resistance, high heat transfer efficiency and high temperature control accuracy. It is widely used in aerospace, electronic equipment, energy and other fields.

[0003] Evaporation is the physical process of converting liquid into gas. Generally speaking, an evaporator is an object that converts liquid substances into gas. There are a large number of evaporators in the industry, of which the evaporator used in refrigeration systems is one of them. The evaporator is a very important component among the four major refrigeration components. The low-temperature condensed liquid passes through the evaporator to exchange heat with the outside air, vaporizes and absorbs heat to achieve the cooling effect. Finned radiators are often used in loop heat pipes.

[0004] The inventor discovered in his daily work that during the use of the fin radiator in the existing loop heat pipe, frost and dust are prone to accumulation on the fins. The frost and dust layers on the fins increase the thermal resistance, hinder heat transfer, and cause system performance to decline. Subsequent cleaning requires manual processing, causing inconvenience in use. As a result, the fins on the existing fin evaporator are prone to frost and dust accumulation, which affects the heat conduction effect and is inconvenient to clean. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art that fins are prone to frost and dust accumulation, which affects the heat conduction effect and is inconvenient to clean, and proposes an evaporator of a loop heat pipe.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an evaporator of a loop heat pipe, comprising a first side plate, a second side plate and a processing device, wherein the second side plate is arranged on one side of the first side plate, a tube body is installed on the surface of the first side plate and the second side plate, a feed port and a discharge port are installed at both ends of the tube body, a plurality of groups of fin bodies are arranged between the first side plate and the second side plate, the processing device is arranged on the surface of the first side plate and the second side plate, the processing device comprises a shell, the shell is fixedly connected to the upper surfaces of the first side plate and the second side plate, a groove is opened on one side of the shell, and the inner surface of the groove Slide grooves are provided on both sides of the wall, and the inner walls of the slide grooves on both sides of the inner wall of the groove are slidably connected with a hair dryer, and a hair dryer is installed on the inner wall of the shell, and the output end of the hair dryer is fixedly connected with an air supply pipe, one end of the air supply pipe is installed on the hair dryer, and an air suction pipe is installed at the input end of the hair dryer, and a blocking component is provided at one end of the air suction pipe, and multiple groups of electric heating wires are installed on the inner wall of the hair dryer. The electric heating wires are heated by the above components, and the hair dryer cooperates with the hair dryer head to blow air. The wind can be converted into hot air after passing through the electric heating wires, thereby heating and melting the frost on the fin body, and at the same time, dust and impurities on the fin body can be blown away when blowing.

[0007] Preferably, the hair dryer head comprises a hair dryer shell, an inner wall of the hair dryer shell is provided with an inner cavity, a surface of the hair dryer shell is provided with a plurality of air outlets arranged at equal intervals, the plurality of air outlets are connected with the inner wall of the inner cavity, the air supply pipe is connected with the inner wall of the inner cavity, and through the above components, the air supply pipe conveys the wind into the hair dryer head, and the inner cavity can discharge the gas evenly from the air outlet.

[0008] Preferably, the inner wall of the shell is rotatably connected to a transmission screw, and the transmission screw is threadedly connected to the inner wall of the blowing shell in the hair dryer head. A motor is fixedly connected to the surface of one side of the shell, and the output end of the motor is fixedly connected to one end of the transmission screw. Through the above components, the motor can drive the transmission screw to rotate, and the transmission screw can drive the hair dryer head to move back and forth in the slide groove, thereby improving the uniformity of blowing.

[0009] Preferably, the blocking assembly includes a mounting sleeve, which is mounted on one end of the suction pipe, and a filter core is inserted into the inner wall of the mounting sleeve. Through the above components, when the suction pipe is inhaling air, impurities carried by the gas can be intercepted and filtered by the filter core, thereby improving the purity of the gas.

[0010] Preferably, a push block is fixedly connected to the surface of the filter element, and a guide groove is provided on the surface of the mounting sleeve. Through the above components, the push block can cooperate with the guide groove to stably drive the filter element to be inserted into the mounting sleeve, which is convenient for subsequent removal.

[0011] Preferably, a connecting plate is fixedly connected to the surface of the mounting sleeve, a screw hole is opened on the surface of the connecting plate, a positioning screw is threadedly connected to the inner wall of the push block, and the positioning screw is threadedly connected to the screw hole on the surface of the connecting plate. Through the above components, the positioning screw can be connected to the screw hole on the surface of the connecting plate to improve the overall stability.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, when the equipment is used, after the refrigerant enters the tube body from the feed port, the fin body is used for heat conduction, and the refrigerant is turned into gas and output from the discharge port. By setting a processing device, when the equipment needs to be used, the hair dryer is turned on, the suction pipe is used for suction, and the suction head is input into the blowing head through the air supply pipe. The inner cavity in the blowing head can discharge the gas evenly from the air outlet. After the discharged gas passes through the electric heating wire, it can be turned into hot air. The motor can drive the transmission screw to rotate, and the transmission screw can drive the blowing head to move back and forth in the slide slot to improve the uniformity of the blowing, thereby The frost can be heated and melted, and the dust and impurities on the fin body can be blown away when the air is blown. By setting up a processing device, it is convenient to defrost and remove dust from the fins in the equipment, which can effectively reduce the problem that the fin radiator in the existing loop heat pipe is prone to frost and dust accumulation during use. The frost and dust layers on the fins increase the thermal resistance, hinder the heat transfer, and cause the system performance to decline. In addition, manual processing is required for subsequent cleaning, which causes inconvenience in use, thereby causing the fins on the existing fin evaporator to be prone to frost and dust accumulation, affecting the heat conduction effect, and making cleaning inconvenient.

[0014] 2. In the utility model, by providing a blocking component, when the suction pipe is sucking air, the filter element can filter impurities and dust in the gas, thereby improving the stability of the equipment during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural schematic diagram of an evaporator of a loop heat pipe;

[0016] Figure 2 The utility model provides a schematic diagram of the structure of a processing device for an evaporator of a loop heat pipe;

[0017] Figure 3 The utility model proposes an evaporator of a loop heat pipe Figure 2 Schematic diagram of the structure at A in the middle;

[0018] Figure 4 The utility model provides a partial cross-sectional structural schematic diagram of a processing device of an evaporator of a loop heat pipe;

[0019] Figure 5 The utility model provides a schematic structural diagram of a blocking component of an evaporator of a loop heat pipe.

[0020] Legend:

[0021] 1. First side panel; 2. Second side panel; 3. Tube body; 4. Feed inlet; 5. Discharge outlet; 6. Fin body; 7. Processing device; 71. Shell; 72. Blower; 73. Suction duct; 74. Motor; 75. Blocking assembly; 751. Mounting sleeve; 752. Filter element; 753. Push block; 754. Positioning screw; 755. Connecting plate; 76. Groove; 77. Blowing head; 771. Blowing shell; 772. Air outlet; 773. Inner cavity; 78. Electric heating wire; 79. Transmission screw; 710. Air supply duct. DETAILED DESCRIPTION

[0022] See also Figure 1-5 The utility model provides a technical solution: an evaporator of a loop heat pipe, comprising a first side plate 1, a second side plate 2 and a processing device 7, the second side plate 2 is arranged on one side of the first side plate 1, a tube body 3 is installed on the surface of the first side plate 1 and the second side plate 2, a feed port 4 and a discharge port 5 are installed at both ends of the tube body 3, a plurality of groups of fin bodies 6 are arranged between the first side plate 1 and the second side plate 2, and the processing device 7 is arranged on the surface of the first side plate 1 and the second side plate 2.

[0023] The specific configuration and function of the processing device 7 and the blocking component 75 will be described in detail below.

[0024] Specifically, the processing device 7 includes a shell 71, which is fixedly connected to the upper surfaces of the first side plate 1 and the second side plate 2. A groove 76 is provided on one side of the shell 71, and slide grooves are provided on both sides of the inner wall of the groove 76. The inner walls of the slide grooves on both sides of the inner wall of the groove 76 are slidably connected with a blowing head 77. A hair dryer 72 is installed on the inner wall of the shell 71, and an air supply pipe 710 is fixedly connected to the output end of the hair dryer 72, and one end of the air supply pipe 710 is installed on the blowing head 77. An air suction pipe 73 is installed on the input end of the hair dryer 72, and a blocking component 75 is provided at one end of the air suction pipe 73. A plurality of groups of electric heating wires 78 are installed on the inner wall of the blowing head 77.

[0025] In this embodiment: the electric heating wire 78 is heated, and the hair dryer 72 cooperates with the hair dryer head 77 to blow air. The wind passes through the electric heating wire 78 and becomes hot air, thereby heating and melting the frost on the fin body 6. At the same time, the dust and impurities on the fin body 6 can be blown away during the blowing.

[0026] Specifically, the hair dryer head 77 includes a hair dryer shell 771, the inner wall of which is provided with an inner cavity 773, the surface of which is provided with a plurality of air outlets 772 which are arranged at equal intervals, the plurality of air outlets 772 are connected with the inner wall of the inner cavity 773, the air supply pipe 710 is connected with the inner wall of the inner cavity 773, and after the air supply pipe 710 conveys wind into the hair dryer head 77, the inner cavity 773 can discharge the gas evenly from the air outlets 772.

[0027] Specifically, the inner wall of the shell 71 is rotatably connected to a transmission screw 79, and the transmission screw 79 is threadedly connected to the inner wall of the blowing shell 771 in the blowing head 77. A motor 74 is fixedly connected to the surface of one side of the shell 71, and the output end of the motor 74 is fixedly connected to one end of the transmission screw 79. The motor 74 can drive the transmission screw 79 to rotate, and the transmission screw 79 can drive the blowing head 77 to move back and forth in the slide groove, thereby improving the uniformity of blowing.

[0028] Specifically, the blocking component 75 includes a mounting sleeve 751 , which is mounted on one end of the air suction pipe 73 , and a filter element 752 is inserted into the inner wall of the mounting sleeve 751 .

[0029] In this embodiment, when the air suction pipe 73 is sucking air, impurities carried by the gas can be intercepted and filtered by the filter element 752 to improve the purity of the gas.

[0030] Specifically, a push block 753 is fixedly connected to the surface of the filter element 752, and a guide groove is provided on the surface of the mounting sleeve 751. The push block 753 can cooperate with the guide groove to stably drive the filter element 752 to be inserted into the mounting sleeve 751, so as to facilitate subsequent removal.

[0031] Specifically, a connecting plate 755 is fixedly connected to the surface of the mounting sleeve 751 , a screw hole is provided on the surface of the connecting plate 755 , a positioning screw 754 is threadedly connected to the inner wall of the push block 753 , and the positioning screw 754 is threadedly connected to the screw hole on the surface of the connecting plate 755 .

[0032] In this embodiment: the positioning screw 754 can be connected to the screw hole on the surface of the connecting plate 755 to improve the overall stability.

[0033] Working principle: When the equipment is in use, after the refrigerant enters the tube body 3 from the feed port 4, the fin body 6 is used for heat conduction to convert the refrigerant into gas and output it from the discharge port 5. By setting the processing device 7, when the equipment needs to be used, the blower 72 is turned on, and the suction pipe 73 is used for suction. The filter can filter impurities and dust in the gas. The suction head is input into the blowing head 77 through the air supply pipe 710. The inner cavity 773 in the blowing head 77 can evenly discharge the gas from the air outlet 772. After the discharged gas passes through the electric heating wire 78, it can become hot air. The motor 74 can drive the transmission screw 79 to rotate, and the transmission screw 79 can drive the blowing head 77 in the slide groove. The fin evaporator 7 is provided with a processing device 7 to facilitate defrosting and dust removal of the fins in the equipment, which can effectively reduce the problem that frost and dust accumulation easily occur on the fin radiator of the existing loop heat pipe during use. The frost and dust layers on the fins increase the thermal resistance and hinder the heat transfer, resulting in the degradation of system performance. In addition, manual processing is required for subsequent cleaning, which causes inconvenience in use. As a result, the fins on the existing fin evaporator are prone to frost and dust accumulation, which affects the heat conduction effect and is inconvenient to clean.

Claims

1. An evaporator of a loop heat pipe, comprising a first side plate (1), a second side plate (2) and a processing device (7), characterized in that: The second side plate (2) is arranged on one side of the first side plate (1); a tube body (3) is installed on the surface of the first side plate (1) and the second side plate (2); a feed port (4) and a discharge port (5) are installed at both ends of the tube body (3); a plurality of groups of fin bodies (6) are arranged between the first side plate (1) and the second side plate (2); the processing device (7) is arranged on the surface of the first side plate (1) and the second side plate (2); the processing device (7) comprises a shell (71); the shell (71) is fixedly connected to the upper surface of the first side plate (1) and the second side plate (2); one side of the shell (71) A groove (76) is provided, and slide grooves are provided on both sides of the inner wall of the groove (76). The inner walls of the slide grooves on both sides of the inner wall of the groove (76) are slidably connected with a blower head (77). A hair dryer (72) is installed on the inner wall of the shell (71). The output end of the hair dryer (72) is fixedly connected with an air supply pipe (710), and one end of the air supply pipe (710) is installed on the blower head (77). An air suction pipe (73) is installed at the input end of the hair dryer (72), and a blocking component (75) is provided at one end of the air suction pipe (73). Multiple groups of electric heating wires (78) are installed on the inner wall of the blower head (77).

2. The evaporator of a loop heat pipe according to claim 1, characterized in that: The hair dryer head (77) comprises a hair dryer shell (771), the inner wall of which is provided with an inner cavity (773), the surface of which is provided with a plurality of air outlets (772) arranged at equal intervals, the plurality of air outlets (772) being connected to the inner wall of the inner cavity (773), and the air supply pipe (710) being connected to the inner wall of the inner cavity (773).

3. The evaporator of a loop heat pipe according to claim 1, characterized in that: The inner wall of the shell (71) is rotatably connected to a transmission screw (79), and the transmission screw (79) is threadedly connected to the inner wall of a blowing shell (771) in the blowing head (77). A motor (74) is fixedly connected to a surface of one side of the shell (71), and an output end of the motor (74) is fixedly connected to one end of the transmission screw (79).

4. The evaporator of a loop heat pipe according to claim 1, characterized in that: The blocking component (75) comprises a mounting sleeve (751), the mounting sleeve (751) being mounted on one end of the air suction pipe (73), and a filter core (752) being inserted into the inner wall of the mounting sleeve (751).

5. The evaporator of a loop heat pipe according to claim 4, characterized in that: A push block (753) is fixedly connected to the surface of the filter core (752), and a guide groove is provided on the surface of the mounting sleeve (751).

6. The evaporator of a loop heat pipe according to claim 5, characterized in that: A connecting plate (755) is fixedly connected to the surface of the mounting sleeve (751), a screw hole is provided on the surface of the connecting plate (755), a positioning screw (754) is threadedly connected to the inner wall of the push block (753), and the positioning screw (754) is threadedly connected to the screw hole on the surface of the connecting plate (755).