A refrigerator temperature controller anti-frosting automatic defrosting device

Abstract

The utility model provides a refrigerator temperature controller anti -frost automatic defrosting equipment relates to the technical field of home appliance, including connecting piece, base, rotating pipe, the rear end upper and lower sides of connecting piece are equipped with a group of round holes respectively, and the front end fixedly connected with connecting plate of connecting piece, and the front end fixedly connected with threaded rod no.

Description

Technical Field

[0001] This utility model belongs to the field of home appliance technology, and more specifically, it relates to an automatic defrosting device for refrigerator thermostats to prevent frost buildup. Background Technology

[0002] Refrigerator thermostat anti-frost automatic defrosting equipment is an automated device specifically designed to solve the problem of evaporator frost buildup during refrigerator operation. It replaces traditional manual or timed defrosting with automation technology, solving the efficiency problem of frost buildup and reducing energy consumption and temperature fluctuations through precise control. It is a key component for improving refrigerator performance and user experience. However, commonly used traditional refrigerator thermostat anti-frost automatic defrosting equipment has the problem of insufficient accuracy in defrosting judgment. For example, if there is little food in the refrigerator and the humidity is low, the evaporator may have almost no frost, but the equipment will still start heating and defrosting according to the set time, causing the heating wire to waste power and causing the internal temperature of the refrigerator to rise temporarily, which may affect the preservation of food, especially for easily melted foods such as ice cream. Therefore, there is a need for a new type of refrigerator thermostat anti-frost automatic defrosting equipment. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides an automatic defrosting device for refrigerator thermostats to prevent frost buildup, thereby solving the problem of insufficient accuracy in defrosting judgment in existing traditional automatic defrosting devices for refrigerator thermostats.

[0004] This utility model relates to an automatic defrosting device for refrigerator thermostats to prevent frost buildup, achieved through the following specific technical means: An automatic defrosting device for refrigerator thermostats, comprising a connector, a base, and a rotating tube; The connector has a set of round holes on the upper and lower sides of its rear end. A connecting plate is fixedly connected to the front end of the connector, and a threaded rod is fixedly connected to the front end of the connecting plate. The base is placed at the front end of the connecting plate, and a partition is fixedly connected inside the base. A control module is installed inside the base, and a positioning rod is connected to the front end of the base. The rotating tube is placed at the rear end of the connector, and the upper and lower ends of the rotating tube are respectively fitted into the round holes on the upper and lower sides of the rear end of the connector. A fixing nut is provided on the outside of the rotating tube, and the outer surface of the rotating tube is fixedly connected to the inner surface of the fixing nut.

[0005] Furthermore, the upper and lower ends of the rotating tube are respectively provided with a set of threaded holes, and the threads of the two sets of threaded holes are opposite. A set of threaded rods are threadedly connected to the inside of the two sets of threaded holes. A set of connecting rods is fixedly connected to the two sets of threaded rods. The connecting rods pass through the rotating tube, and a connecting plate is connected to the outside of the connecting rods. A set of anti-slip pads is connected to the outside of the two sets of connecting plates.

[0006] Furthermore, the rear end inner side of the base is provided with a thread, and the rear end inner thread of the base engages with the outer thread of the threaded rod.

[0007] Furthermore, positioning component A and positioning component B are respectively connected to the left and right sides of the base. A humidity sensor is installed on positioning component A, and an infrared sensor is installed on positioning component B. The humidity sensor and the infrared sensor are electrically connected to the control module.

[0008] Furthermore, the base has a heating wire at its front end, which is spirally wound around the outside of the positioning rod, and a quartz tube is provided at the front end of the base, which is placed outside the positioning rod.

[0009] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model sets up a base, with positioning component A and positioning component B connected to the left and right sides of the base respectively. A humidity sensor is installed on positioning component A, and an infrared sensor is installed on positioning component B. The humidity sensor monitors the humidity inside the refrigerator, and the infrared sensor directly detects the thickness of the frost layer on the evaporator surface. By using dual-dimensional monitoring of humidity and frost layer thickness, the defrosting judgment is more in line with actual needs.

[0010] 2. This utility model features a rotating tube with a set of threaded holes at its upper and lower ends. The threads of the two sets of threaded holes are opposite. When the rotating tube is rotated, the two sets of threaded rods 19 will move synchronously in opposite directions. The upper and lower connecting plates will contact the inner wall of the refrigerator synchronously. The friction of the anti-slip pad is evenly distributed on both sides, avoiding the equipment from tilting or the force from being concentrated due to contact on one side first.

[0011] 3. This utility model, by setting a heating wire, which is spirally wound around the outside of the positioning rod, can form a three-dimensional ring heating zone along the positioning rod. Compared with straight wire, which can only cover a local straight area, the spiral structure can evenly radiate heat to the evaporator surface and the components around the thermostat around the positioning rod, avoiding frost residue due to insufficient local temperature and ensuring thorough defrosting. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a structural schematic diagram of the base of this utility model.

[0014] Figure 3 This is a cross-sectional structural diagram of the base of this utility model.

[0015] Figure 4 This is a structural schematic diagram of the connector of this utility model.

[0016] Figure 5This is a cross-sectional structural schematic diagram of the rotating tube of this utility model.

[0017] In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Connector; 2. Base; 3. Quartz tube; 4. Connecting plate; 5. Fixing nut; 6. Connecting disc; 7. Anti-slip pad; 8. Positioning component A; 9. Positioning component B; 10. Humidity sensor; 11. Infrared sensor; 12. Partition; 13. Control module; 14. Positioning rod; 15. Heating wire; 16. Threaded rod one; 17. Rotating tube; 18. Connecting rod; 19. Threaded rod two. Detailed Implementation

[0018] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0019] Example: As attached Figure 1 To be continued Figure 5 As shown: This utility model provides an automatic defrosting device for refrigerator thermostats to prevent frost buildup, including a connector 1, a base 2, and a rotating tube 17; The connector 1 has a set of round holes on the upper and lower sides of its rear end. The connector 1 has a connecting plate 4 fixedly connected to its front end, and a threaded rod 16 fixedly connected to the front end of the connecting plate 4. The base 2 is placed at the front end of the connecting plate 4, and a partition 12 is fixedly connected inside the base 2. The control module 13 is installed inside the base 2. The positioning rod 14 is connected to the front end of the base 2. The rotating tube 17 is placed at the rear end of the connector 1, and the upper and lower ends of the rotating tube 17 are respectively fitted into the round holes on the upper and lower sides of the rear end of the connector 1. A fixing nut 5 is provided on the outside of the rotating tube 17, and the outer surface of the rotating tube 17 is fixedly connected to the inner surface of the fixing nut 5.

[0020] Among them, such as Figure 4 and Figure 5As shown, the upper and lower ends of the rotating tube 17 are respectively provided with a set of threaded holes, and the threads of the two sets of threaded holes are opposite. A set of threaded rods 19 are threadedly connected to the interior of each of the two sets of threaded holes. A set of connecting rods 18 is fixedly connected to each of the two sets of threaded rods 19. The connecting rods 18 extend out of the rotating tube 17, and a connecting plate 6 is connected to the outside of the connecting rod 18. A set of anti-slip pads 7 is connected to the outside of each of the two sets of connecting plates 6. By rotating the rotating tube 17, the two sets of threaded rods 19 will move synchronously in opposite directions. When installed and fixed, the upper and lower connecting plates 6 will simultaneously contact the inner wall of the refrigerator, and the friction of the anti-slip pads 7 is evenly distributed. The two points, top and bottom, prevent the equipment from tilting and the force from being concentrated due to contact on one side first. For example, with traditional unidirectional threads, the upper end may be tightened while the lower end is still loose. It also has higher fitting accuracy and is compatible with more complex installation scenarios. For example, if the inner wall is slightly tilted, the extension length of the connecting rod can be finely adjusted by rotating the rotating tube 17 so that the anti-slip pads 7 of the upper and lower connecting plates 6 are tightly attached to the inner wall. In installation spaces with small vertical spacing, there is no need to shorten the connecting rods 18 on each side one by one. Simply rotate the rotating tube 17 in the opposite direction to make the two sets of connecting rods 18 retract synchronously, accurately control the overall space occupied, and avoid interference with other components inside the refrigerator.

[0021] Among them, such as Figure 2 and Figure 4 As shown, the inner rear end of the base 2 is threaded, and the inner rear end thread of the base 2 engages with the outer thread of the threaded rod 16. During installation, simply align the threaded hole at the rear end of the base 2 with the threaded rod 16 and rotate to complete the connection. No drilling, welding or additional fasteners are required, making installation and maintenance convenient and reducing the difficulty of operation.

[0022] Among them, such as Figure 3 As shown, positioning components A8 and B9 are connected to the left and right sides of the base 2, respectively. A humidity sensor 10 is installed on positioning component A8, and an infrared sensor 11 is installed on positioning component B9. The humidity sensor 10 and the infrared sensor 11 are electrically connected to the control module 13. The humidity sensor 10 monitors the humidity inside the refrigerator. If the humidity is lower than the frost threshold, even if there is a slight accumulation of frost, it indicates that the subsequent frost formation is slow, and defrosting can be appropriately delayed to avoid frequent activation of the heating wire 15, which would cause temperature fluctuations inside the refrigerator. Conversely, if the humidity is high, defrosting must be performed immediately when the frost layer reaches the threshold to prevent the frost layer from thickening rapidly. The infrared sensor 11 directly detects the frost layer thickness on the evaporator surface. Traditional defrosting devices often rely on a single temperature sensor or timer control, which is prone to false triggering or missed triggering. The dual-sensor design monitors both humidity and frost layer thickness, making the defrosting judgment more in line with actual needs.

[0023] Among them, such as Figure 3As shown, a heating wire 15 is provided at the front end of the base 2, and the heating wire 15 is spirally wound around the outside of the positioning rod 14. A quartz tube 3 is provided at the front end of the base 2, and the quartz tube 3 is placed on the outside of the positioning rod 14. Through the spiral winding of the heating wire 15 around the outside of the positioning rod 14, a three-dimensional ring heating area can be formed along the positioning rod. Compared with the straight wire, which can only cover a local straight area, the spiral structure can allow heat to be evenly radiated to the evaporator surface and the components around the thermostat around the positioning rod, avoiding frost residue due to insufficient local temperature and ensuring thorough defrosting.

[0024] The specific usage and function of this embodiment are as follows: like Figures 1 to 5 As shown, in this utility model, by rotating the rotating tube 17, the two sets of threaded rods 19 will move synchronously in opposite directions. During installation and fixing, the upper and lower connecting plates 6 will contact the inner wall of the refrigerator simultaneously. The friction of the anti-slip pads 7 is evenly distributed between the upper and lower points, avoiding the equipment tilting and force concentration caused by contact on one side first. For example, with traditional unidirectional threads, the upper end may be tightened while the lower end is still loose. Moreover, the fitting accuracy is higher, and it is compatible with more complex installation scenarios. For example, if the inner wall is slightly tilted, the extension length of the connecting rod can be finely adjusted by rotating the rotating tube 17 to ensure that the anti-slip pads 7 of the upper and lower connecting plates 6 are tightly attached to the inner wall. In installation spaces with small vertical spacing, it is not necessary to shorten the connecting rods 18 on one side one by one. It is only necessary to rotate the rotating tube 17 in the opposite direction to allow the two sets of threaded rods 19 to contact the inner wall. The connecting rod 18 retracts synchronously, precisely controlling the overall space occupied and avoiding interference with other components inside the refrigerator. The humidity sensor 10 monitors the humidity inside the refrigerator. If the humidity is below the frost threshold, even if there is a slight accumulation of frost, it indicates that the subsequent frost formation is slow, and defrosting can be appropriately delayed to avoid frequent activation of the heating wire 15, which would cause temperature fluctuations inside the refrigerator. If the humidity is high, defrosting must be performed immediately when the frost layer reaches the threshold to prevent the frost layer from thickening rapidly. The infrared sensor 11 directly detects the frost layer thickness on the evaporator surface. Traditional defrosting devices often rely on a single temperature sensor or timer control, which is prone to false triggering or missed triggering. The dual-sensor design monitors both humidity and frost layer thickness, making the defrosting judgment more in line with actual needs.

[0025] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

Claims

1. A refrigerator thermostat anti-frost automatic defrosting device, characterized in that: Includes connector (1), base (2) and rotating tube (17); The connector (1) has a set of round holes on the upper and lower sides of its rear end. The connector (1) is fixedly connected to a connecting plate (4) and a threaded rod (16) is fixedly connected to the front end of the connecting plate (4). The base (2) is placed at the front end of the connecting plate (4) and a partition plate (12) is fixedly connected inside the base (2). A control module (13) is installed inside the base (2). A positioning rod (14) is connected to the front end of the base (2). The rotating tube (17) is placed at the rear end of the connector (1) and the upper and lower ends of the rotating tube (17) are respectively clamped inside the round holes on the upper and lower sides of the rear end of the connector (1). A fixing nut (5) is provided on the outside of the rotating tube (17). The outer surface of the rotating tube (17) is fixedly connected to the inner surface of the fixing nut (5).

2. The refrigerator thermostat anti-frost automatic defrosting device as described in claim 1, characterized in that: The rotating tube (17) has a set of threaded holes at its upper and lower ends, and the threads of the two sets of threaded holes are opposite. A set of threaded rods (19) are threadedly connected to the two sets of threaded holes. A set of connecting rods (18) are fixedly connected to the two sets of threaded rods (19). The connecting rods (18) pass through the rotating tube (17). A connecting plate (6) is connected to the outside of the connecting rods (18). A set of anti-slip pads (7) are connected to the outside of the two sets of connecting plates (6).

3. The refrigerator thermostat anti-frost automatic defrosting device as described in claim 1, characterized in that: The rear end of the base (2) is provided with a thread, and the inner thread of the rear end of the base (2) engages with the outer thread of the threaded rod (16).

4. The refrigerator thermostat anti-frost automatic defrosting device as described in claim 1, characterized in that: The base (2) is connected to positioning component A (8) and positioning component B (9) on its left and right sides respectively. A humidity sensor (10) is installed on positioning component A (8) and an infrared sensor (11) is installed on positioning component B (9). The humidity sensor (10) and the infrared sensor (11) are electrically connected to the control module (13).

5. The refrigerator thermostat anti-frost automatic defrosting device as described in claim 1, characterized in that: The base (2) has a heating wire (15) at the front end, and the heating wire (15) is spirally wound around the outside of the positioning rod (14). A quartz tube (3) is provided at the front end of the base (2), and the quartz tube (3) is placed on the outside of the positioning rod (14).

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