An energy-saving refrigerated display case

By combining a natural air cooling unit, an energy-saving lighting unit, and a sliding sealing unit, the problems of high energy consumption and poor sealing of refrigerated display cases are solved, achieving energy-saving cooling and efficient sealing effects.

CN224268827UActive Publication Date: 2026-05-26JIANGSU GELIN ELECTRIC APPLIANCE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU GELIN ELECTRIC APPLIANCE
Filing Date
2025-05-22
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing refrigerated display cases consume a lot of energy and have poor sealing, resulting in a drop in temperature.

Method used

It adopts a natural air cooling unit, an energy-saving lighting unit, and a sliding sealing unit, combined with components such as a fan, vortex tube, air guide duct, sliding frame, and sealing strip to achieve natural cooling, energy-saving lighting, and efficient sealing.

Benefits of technology

It reduces power consumption, improves sealing, prevents temperature drop, and enhances energy efficiency and display visibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an energy-saving refrigerated display cabinet, relating to the field of refrigerated cabinet technology. It includes a display cabinet body, a natural air cooling unit, an energy-saving lighting unit, and a sliding sealing unit. The natural air cooling unit is installed on the upper part of the display cabinet body. The natural air cooling unit includes a fan, a filter cover, a vortex tube, a connecting pipe, an air guide pipe, and a mounting bracket. The mounting bracket is fixedly connected to the upper part of the display cabinet body. An air guide pipe is fixedly connected to the rear inner side of the mounting bracket. A vortex tube is fixedly connected to the right end of the mounting bracket. The cold air outlet of the vortex tube is connected to one end of the air guide pipe. A fan is fixedly connected to the right end of the mounting bracket. The fan outlet is fixedly connected to the vortex tube inlet via a connecting pipe. A filter cover is threadedly connected to the fan inlet. This energy-saving refrigerated display cabinet can reduce energy consumption during use and improve the sealing performance of the device to prevent temperature drops due to poor sealing during use.
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Description

Technical Field

[0001] This utility model relates to the field of refrigerated display cabinet technology, specifically an energy-saving refrigerated display cabinet. Background Technology

[0002] With the development of the food industry and people's increasing demands for food safety and freshness, the market share of refrigerated food is gradually increasing. During mealtimes, restaurants will place food in refrigerated display cases to ensure food freshness and make it convenient for customers to select food at a glance.

[0003] Among the existing technologies, the energy-saving refrigerated display cabinet proposed in the patent announcement number CN222397794U includes a display cabinet body, a display glass fixedly connected to the top of the display cabinet body, a display platform rotatably connected to the top of the display cabinet body, electric push rods provided on both sides of the top of the display cabinet body, a number of ball sleeves fixedly connected to the outside of the display glass, and rolling balls connected to the inside of each ball sleeve. A laser light and a rocker arm with a pressure button are fixedly connected to each rolling ball.

[0004] Existing technologies have not solved the problem of high energy consumption during use. At the same time, the device's sealing is insufficient, which can easily lead to temperature drops during use due to poor sealing, resulting in high energy consumption. To address this, we propose an energy-saving refrigerated display cabinet. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the existing defects and provide an energy-saving refrigerated display cabinet that can reduce the energy consumption of the device during use, while improving the sealing performance of the device to prevent temperature drop due to poor sealing during use, thus effectively solving the problems in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an energy-saving refrigerated display cabinet, comprising a display cabinet body, a natural air cooling unit, an energy-saving lighting unit, and a sliding sealing unit;

[0007] Display case body: The upper part is equipped with a natural air cooling unit;

[0008] Natural air cooling unit: includes a fan, filter cover, vortex tube, connecting pipe, air duct and mounting bracket. The mounting bracket is fixedly connected to the upper end of the display cabinet. The air duct is fixedly connected to the upper rear part of the inner side of the mounting bracket. The vortex tube is fixedly connected to the right end of the mounting bracket. The cold air outlet of the vortex tube is connected to one end of the air duct. The fan is fixedly connected to the right end of the mounting bracket. The air outlet of the fan is fixedly connected to the air inlet of the vortex tube through the connecting pipe. The filter cover is threadedly connected to the air inlet of the fan.

[0009] Energy-saving lighting unit: installed on the naturally cooled unit;

[0010] Sliding sealing unit: Installed on the display cabinet body and the natural air cooling unit.

[0011] Air is drawn in by the fan of the natural air-cooled unit, filtered by the filter cover, and then the hot and cold air is separated by the vortex tube. The cold air enters the cabinet for cooling through the air guide tube. The vortex tube is an environmentally friendly cooling system without refrigerant. The filter cover prevents dust pollution, and the air guide tube evenly distributes the cold air. It can perform cooling or auxiliary cooling at a certain temperature, reducing power consumption.

[0012] Furthermore, the energy-saving lighting unit includes a high-transparency glass, tempered glass, a focusing cover, and a cold light lamp. The high-transparency glass is fixedly connected to the front end of the mounting frame, and the tempered glass is fixedly connected to the upper end of the mounting frame. A heat-insulating film is fixedly connected to the outer sides of the high-transparency glass and the tempered glass. A focusing cover is fixedly connected to the upper inner front side of the mounting frame, and a cold light lamp is fixedly connected to the inner side of the focusing cover. When the cold light lamp is turned on, the light is focused by the focusing cover to illuminate the goods inside the display case. The high-transparency glass and the heat-insulating film reduce heat loss and the entry of heat from sunlight, improving energy efficiency. The tempered glass allows for a more comprehensive display of exhibits, and the top of the display case is easily secured with items, making it safer. The heat-insulating film reduces heat loss and improves energy efficiency.

[0013] Furthermore, the energy-saving lighting unit also includes a mounting plate, solar panels, magnetic strips, torsion spring connectors, an electromagnetic device, and a temperature sensing device. Temperature sensing devices are fixedly connected to the left and right ends of the inner side of the mounting frame. A torsion spring connector is fixedly connected to the right end of the mounting frame, and the inner side of the torsion spring connector is hinged to one end of the mounting plate. Multiple solar panels are fixedly connected to the front end of the mounting plate, and a magnetic strip is fixedly connected to the rear end of the mounting plate. An electromagnetic device is fixedly connected to the right end of the mounting frame. The temperature sensing device monitors the temperature inside the cabinet. When not in use, the electromagnetic device attracts the magnetic strip for fixation. During use, the solar panels automatically reset their angle to collect light energy via the torsion spring connector. The solar panels power the cold light lamp, fan, and electromagnetic device, reducing external energy consumption and improving light energy utilization.

[0014] Furthermore, the sliding sealing unit includes a slide rail, a sliding frame, a second high-transparency glass pane, and a sealing strip. A slide rail is located on the inner rear end of the mounting bracket. A sliding frame is slidably connected to the inner side of the slide rail. A sealing strip is fixedly connected to the outer side of the sliding frame. A second high-transparency glass pane is fixedly connected to the inner side of the sliding frame. A heat-insulating film is fixedly connected to the outer side of the second high-transparency glass pane. Moving the sliding frame along the slide rail seals the cabinet opening via the sealing strip. The second high-transparency glass pane maintains display visibility, the sealing strip reduces cold air leakage, and the heat-insulating film on the second high-transparency glass pane reduces the temperature difference between the inside and outside.

[0015] Furthermore, the sliding sealing unit also includes an electromagnetic device II, a button, and an indicator light. The electromagnetic device II is fixedly connected to the inner sides of the slide rails at both ends of the mounting bracket. Buttons are fixedly connected to the upper rear side of the mounting bracket, corresponding to the left and right sides. An indicator light is fixedly connected to the upper side of the button at the rear end of the mounting bracket. Pressing the button activates the electromagnetic device II to lock the sliding frame position, the indicator light displays the sealing status, the electromagnetic device II quickly fixes the sliding frame, and the indicator light provides real-time feedback on the sealing status to prevent accidental operation.

[0016] Furthermore, it also includes a display rack, the lower inner side of which has multiple rectangular slots. The four corners of the lower end of the display rack are slidably connected to the rectangular slots on the inner side of the mounting rack. The display rack can be fixed along the rectangular slots of the mounting rack to reduce its size, adjust the product placement position, and be quickly disassembled for easy cleaning.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This energy-saving refrigerated display cabinet has the following advantages:

[0018] 1. This energy-saving refrigerated display case draws in air through a fan in a natural air-cooling unit. After being filtered by a filter cover, the hot and cold air flows are separated by a vortex tube. The cold air enters the cabinet through a duct to cool it down. The duct evenly distributes the cold air, enabling cooling or auxiliary cooling at a certain temperature, reducing energy consumption. The cold light lamp illuminates the goods inside the cabinet by focusing the light through a condenser, while reducing the heat generated by the light. High-transparency glass and heat insulation film reduce heat loss and the entry of heat from sunlight. A temperature sensor monitors the temperature inside the cabinet. Solar panels power the cold light lamp, fan, and electromagnetic device, reducing external energy consumption and improving the utilization rate of light energy. Sealing strips reduce cold air leakage, further reducing the energy consumption of the device during use.

[0019] 2. This energy-saving refrigerated display cabinet features a sliding frame that moves along a slide rail. The cabinet opening is sealed by a sealing strip. High-transparency glass maintains visibility, and the sealing strip reduces cold air leakage. Pressing the button activates an electromagnetic device to lock the sliding frame in position. An indicator light shows the sealing status. The electromagnetic device quickly fixes the sliding frame, making the seal more secure. The indicator light provides real-time feedback on the sealing status to prevent misoperation and improve the device's sealing performance, preventing temperature drops due to poor sealing during use. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the rear structure of this utility model;

[0022] Figure 3 This utility model Figure 2 A magnified view of the structure at point A in the middle;

[0023] Figure 4 This utility model Figure 2 A magnified schematic diagram of the structure at point B in the middle;

[0024] Figure 5 This is a schematic diagram of the internal cross-sectional structure of this utility model.

[0025] In the diagram: 1. Display cabinet body; 2. Display rack; 3. Natural air cooling unit; 31. Fan; 32. Filter cover; 33. Vortex tube; 34. Connecting pipe; 35. Air duct; 36. Mounting bracket; 4. Energy-saving lighting unit; 41. High-transparency glass I; 42. Tempered glass; 43. Concentrator; 44. Cold light lamp; 45. Mounting plate; 46. Solar panel; 47. Magnetic strip; 48. Torsion spring connector; 49. Electromagnetic device I; 410. Temperature sensing device; 5. Sliding sealing unit; 51. Slide rail; 52. Sliding frame; 53. High-transparency glass II; 54. Sealing strip; 55. Electromagnetic device II; 56. Button; 57. Indicator light. Detailed Implementation

[0026] 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.

[0027] Please see Figure 1-5 This embodiment provides a technical solution: an energy-saving refrigerated display cabinet, including a display cabinet body 1, a natural air cooling unit 3, an energy-saving lighting unit 4, and a sliding sealing unit 5;

[0028] Display case body 1: The upper part is equipped with a natural air cooling unit 3;

[0029] Natural air cooling unit 3: includes a fan 31, a filter cover 32, a vortex tube 33, a connecting pipe 34, an air duct 35, and a mounting bracket 36. The mounting bracket 36 is fixedly connected to the upper end of the display cabinet 1. The air duct 35 is fixedly connected to the upper rear part of the inner side of the mounting bracket 36. The vortex tube 33 is fixedly connected to the right end of the mounting bracket 36. The cold air outlet of the vortex tube 33 is connected to one end of the air duct 35. The fan 31 is fixedly connected to the right end of the mounting bracket 36. The air outlet of the fan 31 is fixedly connected to the air inlet of the vortex tube 33 through the connecting pipe 34. The air inlet of the fan 31 is threadedly connected to the filter cover 32.

[0030] Air is drawn in by the fan 31 of the natural air cooling unit 3, filtered by the filter cover 32, and then the hot and cold air is separated by the vortex tube 33. The cold air enters the cabinet for cooling through the air guide tube 35. The vortex tube 33 is an environmentally friendly cooling system without refrigerant. The filter cover 32 prevents dust pollution. The air guide tube 35 evenly distributes the cold air, which can perform cooling or auxiliary cooling at a certain temperature and reduce power consumption.

[0031] Energy-saving lighting unit 4: Installed on the natural air-cooled unit 3; Energy-saving lighting unit 4 includes high-transparency glass 41, tempered glass 42, a focusing cover 43, and a cold light lamp 44. The high-transparency glass 41 is fixedly connected to the front end of the mounting bracket 36, and the tempered glass 42 is fixedly connected to the upper end of the mounting bracket 36. A heat insulation film is fixedly connected to the outer side of the high-transparency glass 41 and the tempered glass 42. The focusing cover 43 is fixedly connected to the upper side of the inner front end of the mounting bracket 36, and the cold light lamp 44 is fixedly connected to the inner side of the focusing cover 43. When the cold light lamp 44 is turned on, the light is focused by the focusing cover 43 and illuminates the goods in the display case. The high-transparency glass 41 and the heat insulation film reduce heat loss and the entry of heat from sunlight, improving the energy saving rate. The tempered glass 42 can display the exhibits more comprehensively, and the top of the display case is easy to protect items. Using tempered glass 42 makes it safer. The heat insulation film reduces heat loss and improves the energy saving rate.

[0032] The energy-saving lighting unit 4 also includes a mounting plate 45, a solar panel 46, a magnetic strip 47, a torsion spring connector 48, an electromagnetic device 49, and a temperature sensor 410. The temperature sensor 410 is fixedly connected to the left and right ends of the inner side of the mounting bracket 36. The torsion spring connector 48 is fixedly connected to the right end of the mounting bracket 36. The inner side of the torsion spring connector 48 is hinged to one end of the mounting plate 45. Multiple solar panels 46 are fixedly connected to the front end of the mounting plate 45, and the magnetic strip 47 is fixedly connected to the rear end of the mounting plate 45. The electromagnetic device 49 is fixedly connected to the right end of the mounting bracket 36. The temperature sensor 410 monitors the temperature inside the cabinet. When not in use, the electromagnetic device 49 attracts the magnetic strip 47 for fixation. During use, the solar panel 46 automatically resets its angle to collect light energy via the torsion spring connector 48. The solar panel 46 powers the cold light lamp, the fan 31, and the electromagnetic device, reducing external energy consumption and improving light energy utilization.

[0033] Sliding sealing unit 5: Installed on the display cabinet body 1 and the natural air cooling unit 3, the sliding sealing unit 5 includes a slide rail 51, a sliding frame 52, a second high-transparency glass 53, and a sealing strip 54. The slide rail 51 is located on the inner rear end of the mounting bracket 36. The sliding frame 52 is slidably connected to the inner side of the slide rail 51. The sealing strip 54 is fixedly connected to the outer side of the sliding frame 52. The second high-transparency glass 53 is fixedly connected to the inner side of the sliding frame 52, and a heat insulation film is fixedly connected to the outer side of the second high-transparency glass 53. Moving the sliding frame 52 along the slide rail 51 closes the cabinet opening via the sealing strip 54. The second high-transparency glass 53 maintains the visibility of the display, the sealing strip 54 reduces cold air leakage, and the heat insulation film on the second high-transparency glass 53 reduces the temperature difference between the inside and outside.

[0034] The sliding sealing unit 5 also includes an electromagnetic device 55, a button 56, and an indicator light 57. The electromagnetic device 55 is fixedly connected to the inner side of the slide rails 51 at both ends of the mounting bracket 36. The button 56 is fixedly connected to the upper rear side of the mounting bracket 36 on the left and right sides respectively. An indicator light 57 is fixedly connected to the upper side of the button 56 at the rear end of the mounting bracket 36. Pressing the button 56 activates the electromagnetic device 55 to lock the sliding frame 52 in position. The indicator light 57 displays the sealing status. The electromagnetic device 55 quickly fixes the sliding frame, and the indicator light 57 provides real-time feedback on the sealing status to prevent accidental operation.

[0035] It also includes a display rack 2, and the lower inner side of the mounting frame 36 has multiple rectangular slots. The four corners of the lower end of the display rack 2 are slidably connected to the rectangular slots on the inner side of the mounting frame 36. The display rack 2 is fixed along the rectangular slots of the mounting frame 36, the position of the goods can be adjusted, and it can be quickly disassembled for cleaning.

[0036] The working principle of the energy-saving refrigerated display cabinet provided by this utility model is as follows: During use, the natural air cooling unit 3 draws in air through the fan 31. After being filtered by the filter cover 32, the hot and cold air flows are separated by the vortex tube 33. The cold air enters the cabinet through the air duct 35 for cooling, enabling refrigeration or auxiliary cooling at a certain temperature, reducing energy consumption. High-transparency glass 41 and a heat insulation film reduce heat loss and the entry of sunlight, improving energy efficiency. The energy-saving lighting unit 4's cold light lamp 44 focuses illumination through the focusing cover 43, allowing sunlight to penetrate. The solar panel 46 collects light energy by adjusting the angle through the torsion spring connecting seat 48 and the electromagnetic device 49. The solar panel 46 supplies power to the cold light lamp, the fan 31 and the electromagnetic device, reducing external energy consumption and improving the utilization rate of light energy. The sliding sealing unit 5 moves the sliding frame 52 through the slide rail 51, the electromagnetic device 55 locks the position, the sealing strip 54 keeps it sealed, and the indicator light 57 provides real-time feedback on the sealing status to prevent misoperation. The display rack 2 slides along the rectangular groove of the mounting rack 36 to adjust its position. All units work together to achieve a highly efficient and energy-saving refrigerated display function.

[0037] It is worth noting that in the above embodiments, the cold light lamp, solar panel, electromagnetic device one, electromagnetic device two and indicator light input terminals are electrically connected to the output terminal of an external power supply through an external PLC controller. The fan, temperature sensing device and button output terminals are electrically connected to the external PLC controller. The external PLC controller controls the operation of the cold light lamp, solar panel, electromagnetic device one, electromagnetic device two and indicator light using methods commonly used in the prior art.

[0038] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An energy efficient refrigerated display case characterized by: It includes the display cabinet body (1), the natural air cooling unit (3), the energy-saving lighting unit (4), and the sliding sealing unit (5); Display cabinet body (1): The upper part is equipped with a natural air cooling unit (3); Natural air cooling unit (3): includes a fan (31), a filter cover (32), a vortex tube (33), a connecting pipe (34), an air duct (35), and a mounting bracket (36). The upper end of the display cabinet (1) is fixedly connected to the mounting bracket (36). The rear part of the upper inner side of the mounting bracket (36) is fixedly connected to the air duct (35). The right end of the mounting bracket (36) is fixedly connected to the vortex tube (33). The cold air outlet of the vortex tube (33) is connected to one end of the air duct (35). The right end of the mounting bracket (36) is fixedly connected to the fan (31). The air outlet of the fan (31) is fixedly connected to the air inlet of the vortex tube (33) through the connecting pipe (34). The air inlet of the fan (31) is threadedly connected to the filter cover (32). Energy-saving lighting unit (4): installed on the natural air-cooled unit (3); Sliding sealing unit (5): Installed on the display cabinet body (1) and the natural air cooling unit (3).

2. An energy efficient display case according to claim 1, wherein: The energy-saving lighting unit (4) includes a high-transparency glass (41), tempered glass (42), a condenser (43), and a cold light lamp (44). The high-transparency glass (41) is fixedly connected to the front end of the mounting bracket (36), and the tempered glass (42) is fixedly connected to the upper end of the mounting bracket (36). A heat insulation film is fixedly connected to the outer side of the high-transparency glass (41) and the tempered glass (42). The condenser (43) is fixedly connected to the upper side of the inner front end of the mounting bracket (36), and the cold light lamp (44) is fixedly connected to the inner side of the condenser (43).

3. The energy-saving refrigerated display cabinet according to claim 2, characterized in that: The energy-saving lighting unit (4) also includes a mounting plate (45), a solar panel (46), a magnetic strip (47), a torsion spring connector (48), an electromagnetic device (49), and a temperature sensing device (410). The temperature sensing device (410) is fixedly connected to the left and right ends of the inner side of the mounting frame (36). The torsion spring connector (48) is fixedly connected to the right end of the mounting frame (36). The inner side of the torsion spring connector (48) is hinged to one end of the mounting plate (45). Multiple solar panels (46) are fixedly connected to the front end of the mounting plate (45). The magnetic strip (47) is fixedly connected to the rear end of the mounting plate (45). The electromagnetic device (49) is fixedly connected to the right end of the mounting frame (36).

4. The energy-saving refrigerated display cabinet according to claim 1, characterized in that: The sliding sealing unit (5) includes a slide rail (51), a sliding frame (52), a second high-transparency glass (53), and a sealing strip (54). The slide rail (51) is provided on the inner side of the rear end of the mounting bracket (36). The sliding frame (52) is slidably connected to the inner side of the slide rail (51). The sealing strip (54) is fixedly connected to the outer side of the sliding frame (52). The second high-transparency glass (53) is fixedly connected to the inner side of the sliding frame (52). The heat insulation film is fixedly connected to the outer side of the second high-transparency glass (53).

5. The energy-saving refrigerated display case according to claim 4, characterized in that: The sliding sealing unit (5) also includes an electromagnetic device (55), a button (56) and an indicator light (57). The electromagnetic device (55) is fixedly connected to the inner side of the slide rails (51) at both ends of the mounting bracket (36). The button (56) is fixedly connected to the upper left and right sides of the rear end of the mounting bracket (36). The indicator light (57) is fixedly connected to the upper side of the button (56) at the rear end of the mounting bracket (36).

6. The energy-saving refrigerated display case according to claim 1, characterized in that: It also includes a display rack (2), and the lower inner side of the mounting rack (36) is provided with multiple rectangular grooves. The four corners of the lower end of the display rack (2) are slidably connected to the rectangular grooves on the inner side of the mounting rack (36).

Citation Information

Patent Citations

  • Energy-saving refrigeration display cabinet

    CN222397794U