Cold storage evaporator with automatic defrosting function
By designing an automatic defrost system in the cold storage evaporator, using a motor to drive the turntable and pull rod to drive the sliding scraper of the heat conductor plate, combining bevel gears and thread columns to adjust the scraper movement, the reset spring and ice breaker plate are combined with the opening and closing plate, the frost accumulation problem of the evaporator is solved , improves the efficiency and continuous operation capability of refrigeration equipment.
Patent Information
- Application Number
- CN202420592273.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-26
AI Technical Summary
The existing cold storage evaporators will accumulate frost or frost after operation, resulting in a reduced heat transfer efficiency and manual defrost required, which cannot guarantee the quality of the defrost and affects the working efficiency of the refrigeration equipment.
A cold storage evaporator with automatic defrost function is designed. The pull rod is driven by a motor drives the turntable, and the pull rod drives the heat conductor plate sliding and the scraper for defrost. The heater heats the scraper to improve the defrost efficiency, and adjusts the scraper through bevel gears and thread columns. Movement distance, reset spring and ice-breaking plate are combined with the opening and closing plate to achieve a thorough cleanup of frost.
Automatic defrost on the surface and bottom of the evaporator is realized, which improves the working efficiency of the refrigeration equipment, ensures the continuous operation capability of the evaporator, and reduces the refrigeration interruption time.
Smart Images

Figure CN222210851U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of evaporators, in particular to a cold storage evaporator with an automatic defrosting function. Background Art
[0002] The evaporator is a major component inside the cold storage. Through the circulation of the refrigerant, heat exchange is carried out inside the cold storage room, and cold air is released into the cold storage room to achieve the effect of cooling and maintaining the temperature. After running for a period of time, the cold storage evaporator usually accumulates a certain amount of frost or frost on its surface, which will reduce the heat transfer efficiency of the evaporator and affect its performance. Therefore, a cold storage evaporator with automatic defrosting function is proposed.
[0003] However, at present, most cold storage evaporators need to be manually defrosted for outer wall, and the defrosting quality cannot be guaranteed, and the frost on the outer wall cannot be automatically and quickly cleaned, thus affecting the working efficiency of the refrigeration equipment. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a cold storage evaporator with automatic defrosting function, aiming to improve the problem that manual defrosting is required, the defrosting quality cannot be guaranteed, and the frost on the outer wall cannot be automatically and quickly cleaned, thereby affecting the working efficiency of the refrigeration equipment.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A cold storage evaporator with automatic defrosting function comprises a bottom frame, the upper surface of the bottom frame is fixedly connected to a fixing frame, the outer wall of the fixing frame is fixedly connected to a motor, the output end of the motor is fixedly connected to a turntable, the outer wall of the turntable is rotatably connected to the inner wall of the fixing frame, the outer wall of the turntable is fixedly connected to a bracket, the inner wall of the bracket is slidably connected to a moving block, the outer wall of the moving block is fixedly connected to a fixed column, the outer wall of the fixed column is rotatably connected to a pull rod, the outer wall of the pull rod is rotatably connected to a heat conducting plate, the upper surface of the heat conducting plate is provided with a heater, the outer wall of the heat conducting plate is fixedly connected to a scraper, and a sliding component is provided inside the heat conducting plate.
[0007] Preferably, the sliding assembly comprises a guide rail, an outer wall of the guide rail is slidably connected to the inside of the heat conducting plate, the lower surface of the guide rail is fixedly connected to the evaporator body, and the lower surface of the evaporator body is fixedly connected to the upper surface of the bottom frame.
[0008] Preferably, the outer wall of the fixing frame is fixedly connected with a clamping plate, the inner wall of the clamping plate is provided with a crank, the outer wall of the crank is rotatably connected to the inside of the fixing frame, and the outer wall of the crank is fixedly connected with a first bevel gear.
[0009] Preferably, a second bevel gear is provided on the outer wall of the first bevel gear, a screw is fixedly connected to the outer wall of the second bevel gear, the outer wall of the screw is rotatably connected to the inner wall of the bracket, and the outer wall of the screw is threadedly connected to the inside of the moving block.
[0010] Preferably, a rotating handle is rotatably connected inside the bottom frame, a transmission column is fixedly connected to the outer wall of the rotating handle, and a sliding groove is provided inside the transmission column.
[0011] Preferably, the outer wall of the transmission column is rotatably connected to a partition, the outer wall of the partition is fixedly connected to the inner wall of the bottom frame, the outer wall of the partition is fixedly connected to a sliding column, and the outer wall of the sliding column is slidably connected to a push plate.
[0012] Preferably, a return spring is fixedly connected to the outer wall of the push plate, the outer wall of the return spring is fixedly connected to the inner wall of the bottom frame, and the inside of the push plate is slidably connected to the inner wall of the slide groove.
[0013] Preferably, the outer wall of the push plate is fixedly connected to a movable column, the outer wall of the movable column is slidably connected to the inside of the partition, the outer wall of the movable column is fixedly connected to an icebreaker plate, and the outer wall of the bottom frame is rotatably connected to an opening and closing plate.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, the motor drives the turntable to rotate, and the turntable can drive the bracket to rotate, and then the pull rod can be pulled to move through the fixed column, so that the pull rod drives the heat transfer plate to slide on the outer wall of the guide rail. At this time, the heater can heat the heat transfer plate, and then the scraper can better scrape the frost on the outer wall of the evaporator, so that most of the area of the evaporator surface can be automatically covered, ensuring that ice and frost are thoroughly scraped off, thereby improving the working efficiency of the refrigeration equipment.
[0016] 2. In the utility model, the crank handle is pushed toward the inside of the fixed frame until the outer wall of the first bevel gear fits with the outer wall of the second bevel gear. When the crank handle is rotated, the crank handle drives the second bevel gear to rotate through the first bevel gear, and then drives the screw column to rotate, so as to adjust the position of the moving block, and the movement distance of the scraper can be adjusted to achieve appropriate defrosting, thereby effectively removing frost, reducing energy consumption, and quickly restoring the refrigeration effect after defrosting is completed.
[0017] 3. In the utility model, when the handle is rotated one circle, the handle drives the transmission column to rotate, and then drives the push plate to move on the inner wall of the slide slot until the reset spring is compressed. After reaching the corner of the slide slot, the reset spring pushes the push plate to slide quickly, and drives the ice-breaking plate to break the frost on the inner wall of the bottom frame through the movable column, and then the frost is discharged through the opening and closing plate, thereby reducing the refrigeration interruption time and further improving the continuous operation capability of the system. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A three-dimensional diagram of a cold storage evaporator with automatic defrosting function proposed by the utility model;
[0019] Figure 2 This is a schematic diagram of the interior of a fixing frame of a cold storage evaporator with automatic defrosting function proposed by the utility model;
[0020] Figure 3 This is a schematic diagram of a transmission column of a cold storage evaporator with automatic defrosting function proposed by the utility model;
[0021] Figure 4 This is a schematic diagram of the return spring of the cold storage evaporator with automatic defrosting function proposed by the utility model.
[0022] Legend:
[0023] 1. Bottom frame; 2. Fixed frame; 3. Motor; 4. Turntable; 5. Bracket; 6. Moving block; 7. Fixed column; 8. Pull rod; 9. Heat transfer plate; 10. Heater; 11. Scraper; 12. Card plate; 13. Crank handle; 14. First bevel gear; 15. Second bevel gear; 16. Screw column; 17. Turn handle; 18. Transmission column; 19. Slide groove; 20. Partition; 21. Slide column; 22. Push plate; 23. Reset spring; 24. Movable column; 25. Ice-breaking plate; 26. Evaporator body; 27. Guide rail; 28. Opening and closing plate. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings of the specification of this utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Reference Figure 1- Figure, an embodiment of the utility model provided: a cold storage evaporator with automatic defrosting function, including a bottom frame 1, the upper surface of the bottom frame 1 is fixedly connected with a fixing frame 2, the outer wall of the fixing frame 2 is fixedly connected with a motor 3, the output end of the motor 3 is fixedly connected with a turntable 4, the outer wall of the turntable 4 is rotatably connected to the inner wall of the fixing frame 2, the outer wall of the turntable 4 is fixedly connected with a bracket 5, the inner wall of the bracket 5 is slidably connected with a moving block 6, the outer wall of the moving block 6 is fixedly connected with a fixing column 7, the outer wall of the fixing column 7 is rotatably connected with a pull rod 8, the outer wall of the pull rod 8 is rotatably connected with a heat conducting plate 9, the upper surface of the heat conducting plate 9 is provided with a heater 10, the outer wall of the heat conducting plate 9 is fixedly connected with a scraper 11, and the interior of the heat conducting plate 9 is provided with a sliding assembly; the sliding assembly includes a guide rail 27, the outer wall of the guide rail 27 is slidably connected to the interior of the heat conducting plate 9, the lower surface of the guide rail 27 is fixedly connected with an evaporator body 26, and the lower surface of the evaporator body 26 is fixedly connected to the upper surface of the bottom frame 1;
[0026] Specifically, the bottom frame 1 has a fixed support function for the fixed frame 2, and the fixed frame 2 can fix the position of the motor 3 to ensure its stability during operation. When the motor 3 is turned on, its output end can drive the turntable 4 to rotate, and when the turntable 4 rotates, it can drive the bracket 5 to rotate, and the moving block 6 can support the position of the fixed column 7, and then the pull rod 8 can be pulled by the moving block 6 to move, so that the pull rod 8 drives the heat conduction plate 9 to slide on the outer wall of the guide rail 27, and the evaporator body 26 can fix the position of the guide rail 27. At this time, the heater 10 can reach a pair of heat conduction plates 9 to heat, and then the scraper 11 can better scrape the frost on the outer wall of the evaporator body 26, thereby improving the working efficiency of the refrigeration equipment.
[0027] Reference Figure 2 The outer wall of the fixed frame 2 is fixedly connected with a card plate 12, the inner wall of the card plate 12 is provided with a crank 13, the outer wall of the crank 13 is rotatably connected to the inside of the fixed frame 2, and the outer wall of the crank 13 is fixedly connected with a first bevel gear 14; referring to the figure, the outer wall of the first bevel gear 14 is provided with a second bevel gear 15, the outer wall of the second bevel gear 15 is fixedly connected with a screw 16, the outer wall of the screw 16 is rotatably connected to the inner wall of the bracket 5, and the outer wall of the screw 16 is threadedly connected to the inside of the moving block 6;
[0028] Specifically, the fixing frame 2 can fix the position of the card plate 12, and the card plate 12 can ensure the stability of the crank 13. After the crank 13 is detached from the inner wall of the card plate 12, the crank 13 is pushed to slide inward on the inner wall of the card plate 12. Turning the crank 13 can drive the first bevel gear 14 to rotate. When the first bevel gear 14 and the second bevel gear 15 are in contact with each other, the crank 13 is turned, and the first bevel gear 14 can drive the second bevel gear 15 to rotate through the meshing connection, and then the screw column 16 can be driven to rotate on the inner wall of the bracket 5, thereby adjusting the sliding position of the moving block 6 on the inner wall of the bracket 5.
[0029] Reference Figure 1 and Figure 3 The bottom frame 1 is rotatably connected to a handle 17, the outer wall of the handle 17 is fixedly connected to a transmission column 18, and a slide groove 19 is provided inside the transmission column 18; the outer wall of the transmission column 18 is rotatably connected to a partition 20, the outer wall of the partition 20 is fixedly connected to the inner wall of the bottom frame 1, the outer wall of the partition 20 is fixedly connected to a slide column 21, and the outer wall of the slide column 21 is slidably connected to a push plate 22;
[0030] Specifically, the handle 17 can be rotated inside the bottom frame 1, thereby driving the transmission column 18 to rotate, the partition 20 can support the rotation position of the transmission column 18, and the bottom frame 1 can fix the position of the partition 20, the partition 20 has a fixed support function for the sliding column 21, and the push plate 22 can slide on the outer wall of the sliding column 21, which can ensure the stability of the sliding of the push plate 22.
[0031] Reference Figure 3-Figure 4 The outer wall of the push plate 22 is fixedly connected with a return spring 23, the outer wall of the return spring 23 is fixedly connected to the inner wall of the bottom frame 1, and the inside of the push plate 22 is slidably connected to the inner wall of the slide groove 19; the outer wall of the push plate 22 is fixedly connected with a movable column 24, the outer wall of the movable column 24 is slidably connected to the inside of the partition 20, the outer wall of the movable column 24 is fixedly connected with an icebreaker plate 25, and the outer wall of the bottom frame 1 is rotatably connected with an opening and closing plate 28;
[0032] Specifically, the push plate 22 can fix the position of the return spring 23. At the same time, when the transmission column 18 rotates, the push plate 22 can slide through the slide groove 19, thereby squeezing the return spring 23. When the push plate 22 slides to the corner of the slide groove 19, the return spring 23 rebounds, driving the push plate 22 to move quickly. When the push plate 22 moves, the movable column 24 can drive the ice-breaking plate 25 to quickly impact the frost, and then discharge the frost through the opening and closing plate 28.
[0033] Working principle: when the evaporator is needed, the technician can turn on the motor 3 fixed on the outer wall of the fixed frame 2, and the output end of the motor 3 can drive the turntable 4 to rotate. When the turntable 4 rotates, it can drive the bracket 5 to rotate, and then the fixed column 7 fixed by the moving block 6 can be used to pull the pull rod 8 to move, so that the pull rod 8 drives the heat conducting plate 9 to slide on the outer wall of the guide rail 27. At this time, the heater 10 can reach a pair of heat conducting plates 9 to heat, so that the scraper 11 can better scrape the frost on the outer wall of the evaporator body 26. Afterwards, when it is necessary to defrost the local area, pull the crank handle 13 to separate it from the inner wall of the card plate 12, and then push the crank handle 13 toward the inside of the fixed frame 2 until the first bevel gear 14 fits with the outer wall of the second bevel gear 15. When the crank handle 13 is rotated, the crank handle 13 can drive the second bevel gear 15 to rotate through the first bevel gear 14, and then drive the screw column 16 to rotate on the inner wall of the bracket 5, thereby adjusting the position of the moving block 6 on the inner wall of the bracket 5. , the pull rod 8 can control the repeated sliding distance of the heat conducting plate 9 on the outer wall of the guide rail 27, and then the movement distance of the scraper 11 can be adjusted to achieve a moderate defrosting effect. When the evaporator body 26 is in use, when the frost at the bottom is cleaned, the handle 17 is turned one circle, and the handle 17 can drive the transmission column 18 to rotate, and then the push plate 22 can be driven to move on the inner wall of the slide groove 19 until the return spring 23 is compressed. After reaching the corner of the slide groove 19, the return spring 23 rebounds and pushes the push plate 22 to slide quickly on the outer wall of the slide column 21, and then the ice-breaking plate 25 is driven by the movable column 24 to break the frost on the inner wall of the bottom frame 1, and then the frost is discharged through the opening and closing plate 28. That is, the evaporator can not only cover most of the evaporator surface area, ensure that the frost and frost are thoroughly scraped off, and improve the working efficiency of the refrigeration equipment, but also can break and push out the frost at the bottom of the evaporator, reduce the refrigeration interruption time, and increase the continuous operation capacity of the system.
[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A cold storage evaporator with automatic defrosting function, comprising a bottom frame (1), characterized in that: The upper surface of the bottom frame (1) is fixedly connected to a fixing frame (2), the outer wall of the fixing frame (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a turntable (4), the outer wall of the turntable (4) is rotatably connected to the inner wall of the fixing frame (2), the outer wall of the turntable (4) is fixedly connected to a bracket (5), the inner wall of the bracket (5) is slidably connected to a moving block (6), the outer wall of the moving block (6) is fixedly connected to a fixing column (7), the outer wall of the fixing column (7) is rotatably connected to a pull rod (8), the outer wall of the pull rod (8) is rotatably connected to a heat conducting plate (9), a heater (10) is provided on the upper surface of the heat conducting plate (9), a scraper (11) is fixedly connected to the outer wall of the heat conducting plate (9), and a sliding component is provided inside the heat conducting plate (9).
2. The cold storage evaporator with automatic defrosting function according to claim 1 is characterized in that: The sliding assembly comprises a guide rail (27), the outer wall of the guide rail (27) is slidably connected to the inside of the heat conducting plate (9), the lower surface of the guide rail (27) is fixedly connected to the evaporator body (26), and the lower surface of the evaporator body (26) is fixedly connected to the upper surface of the bottom frame (1).
3. The cold storage evaporator with automatic defrosting function according to claim 1 is characterized in that: The outer wall of the fixing frame (2) is fixedly connected to a clamping plate (12), the inner wall of the clamping plate (12) is provided with a crank (13), the outer wall of the crank (13) is rotatably connected to the inside of the fixing frame (2), and the outer wall of the crank (13) is fixedly connected to a first bevel gear (14).
4. The cold storage evaporator with automatic defrosting function according to claim 3 is characterized in that: A second bevel gear (15) is arranged on the outer wall of the first bevel gear (14), a screw post (16) is fixedly connected to the outer wall of the second bevel gear (15), the outer wall of the screw post (16) is rotatably connected to the inner wall of the bracket (5), and the outer wall of the screw post (16) is threadedly connected to the inside of the moving block (6).
5. The cold storage evaporator with automatic defrosting function according to claim 1 is characterized in that: A rotating handle (17) is rotatably connected inside the bottom frame (1), a transmission column (18) is fixedly connected to the outer wall of the rotating handle (17), and a sliding groove (19) is provided inside the transmission column (18).
6. The cold storage evaporator with automatic defrosting function according to claim 5, characterized in that: The outer wall of the transmission column (18) is rotatably connected to a partition plate (20), the outer wall of the partition plate (20) is fixedly connected to the inner wall of the bottom frame (1), the outer wall of the partition plate (20) is fixedly connected to a sliding column (21), and the outer wall of the sliding column (21) is slidably connected to a push plate (22).
7. The cold storage evaporator with automatic defrosting function according to claim 6, characterized in that: The outer wall of the push plate (22) is fixedly connected with a return spring (23), the outer wall of the return spring (23) is fixedly connected to the inner wall of the bottom frame (1), and the inside of the push plate (22) is slidably connected to the inner wall of the slide groove (19).
8. The cold storage evaporator with automatic defrosting function according to claim 7, characterized in that: The outer wall of the push plate (22) is fixedly connected to a movable column (24), the outer wall of the movable column (24) is slidably connected to the inside of the partition (20), the outer wall of the movable column (24) is fixedly connected to an icebreaker plate (25), and the outer wall of the bottom frame (1) is rotatably connected to an opening and closing plate (28).
