Horizontal air-cooled glass door display cabinet with auxiliary air suction system
By designing a unique air duct structure and circulation air duct with auxiliary suction system in a horizontal air-cooled display cabinet, the problems of slow cooling speed, uneven temperature and manual defrost are solved, and fast and efficient cooling and uniform temperature distribution are achieved.
Patent Information
- Application Number
- CN202420714269.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The existing horizontal air-cooled display cabinets have problems such as slow cooling speed, uneven temperature, poor cooling caused by long air ducts, and manual defrost.
A horizontal air-cooled glass door display cabinet with auxiliary air suction system is designed, and a single refrigeration system is equipped with a circulation air duct. The evaporator and evaporator fan are arranged inside the refrigerator. The auxiliary return air duct and return air fan are set. The bottom circulation air duct is placed at the bottom, and electronic temperature control and self-evaporation defrost system are used.
It achieves smooth air ducts, fast and efficient refrigeration, uniform temperature distribution, and no manual defrost, reducing energy consumption and production costs.
Smart Images
Figure CN222828363U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to display cabinets, and in particular relates to a horizontal air-cooled glass door display cabinet with an auxiliary air suction system. Background Art
[0002] Air-cooled display cabinets are widely used in daily life and production as equipment for low-temperature storage of items that need to be refrigerated. The commonly used horizontal air-cooling system is a direct cooling design, which wraps the evaporating tube around the inner tank for cooling. The cabinet is severely frosted and needs to be manually defrosted at a fixed time. The air inlet and outlet design of general air-cooled freezers is on one side. The cooling effect on the goods is average, the cost is high, and it is not beautiful enough. The production process is complicated and the cost is high. Most air-cooled freezers have long cabinets, resulting in long air ducts, wasting cooling capacity, and insufficient wind power.
[0003] The existing defects include slow cooling of winding refrigeration, uneven temperature of air-cooled freezers, difficulty in single wind field circulation, large wind resistance, and difficulty in conducting cold from the inside of the evaporator. When the cabinet is large, the wind force is insufficient, resulting in poor cooling, and difficulty in temperature sensing and insufficient accuracy. Utility Model Content
[0004] The utility model aims to provide a horizontal air-cooled glass door display cabinet with smooth air duct, fast and efficient refrigeration and reasonable layout and an auxiliary air suction system.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a horizontal air-cooled glass door display cabinet with an auxiliary air suction system, comprising an outer shell, an equipment box, a compressor, a heat-insulating filling layer, an inner side plate, an evaporator, a mounting frame, an evaporating fan, an air outlet plate, a partition plate, a return air plate, an auxiliary return air duct, a return air fan and a bottom air duct, wherein an equipment box is arranged at the bottom of the outer shell; a compressor is arranged inside the equipment box; a heat-insulating filling layer is arranged on the surrounding side walls and the bottom plate inside the outer shell; an inner side plate is installed on the inner side of the heat-insulating filling layer; an evaporator is fixedly installed between the heat-insulating filling layer and the inner side plate near the upper position of the equipment box; the evaporator A mounting frame is obliquely fixed above the evaporator; an evaporator fan is fixedly installed on the mounting frame; an air outlet plate is installed on the upper part of the evaporator fan; the evaporator fan transports the cold air cooled from the evaporator from the air outlet plate to the inside of the display cabinet; a partition plate is tightly installed on the inner wall of the thermal insulation filling layer at the right position; an auxiliary return air duct is arranged between the partition plate and the inner side plate on the right; a return air fan is fixed at the bottom corner of the auxiliary return air duct; the return air fan sucks in the air flow from the top and outputs it; a bottom air duct is arranged between the inner side plate and the thermal insulation filling layer at the bottom of the display cabinet; the output port of the return air fan is connected to the bottom air duct.
[0006] As a further improvement of the present invention, an air inlet plate is vertically arranged at the end of the bottom air duct; the left side of the air inlet plate and the left end of the bottom air duct are both connected to the bottom air inlet end of the evaporator.
[0007] As a further improvement of the present invention, the upper end of the outer shell is an open structure and an upper cover slide is installed on the open structure; sliding covers are slidably installed in the slide grooves on both sides of the upper cover slide.
[0008] As a further improvement of the utility model, the sliding cover is made of transparent glass material.
[0009] As a further improvement of the utility model, a handle is installed on the top of the sliding cover.
[0010] As a further improvement of the utility model, rollers are symmetrically installed on the bottom of the outer shell.
[0011] Compared with the prior art, the beneficial effects of the utility model are: the technical solution is provided with a single refrigeration system equipped with a circulating air duct, the evaporator and the evaporating fan are arranged on the inside of the refrigerator, the evaporating fan duct is placed on the evaporator, the auxiliary return air duct and the auxiliary return air fan are placed on the other side, and the bottom circulating air duct is placed at the bottom. The present technical solution is composed of a main refrigeration system, including a bottom-mounted compressor, a fan and a condenser unit, a filter, and a capillary tube, and an evaporator, an evaporating fan, and an auxiliary air suction system connected to the left side of the inner tank are placed in the side air duct; the present technical solution is provided with a unique air duct operation structure and method, in which air is sucked in from the return air outlet of the air duct on the top of the cabinet, and the return air is pushed by the auxiliary return air fan to enter the internal circulation air duct, and then enter the evaporating fan, and the evaporating fan pushes the air out of the exhaust outlet for cooling; an air curtain is formed at the top through the air outlet plate and the air outlet plate to prevent a large amount of hot air from entering the cabinet during door opening; the cabinet temperature control of the present technical solution adopts electronic temperature control, and the factory setting is regular defrosting. The defrost water is discharged through the drain outlet at the bottom of the evaporator, and the self-evaporation process is more conducive to energy saving. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0013] In the figure: 1. outer shell; 2. equipment box; 3. compressor; 4. thermal insulation filling layer; 5. inner side plate; 6. evaporator; 7. mounting frame; 8. evaporating fan; 9. air outlet plate; 10. partition plate; 11. return air plate; 12. auxiliary return air duct; 13. return air fan; 14. bottom air duct; 15. air inlet plate; 16. upper cover slide; 17. sliding cover; 18. handle; 19. roller. DETAILED DESCRIPTION
[0014] The following will be combined with the drawings in the embodiments of the 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 in 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.
[0015] See also Figure 1 The utility model provides a technical solution: a horizontal air-cooled glass door display cabinet with an auxiliary air suction system, comprising an outer shell 1, an equipment box 2, a compressor 3, a thermal insulation filling layer 4, an inner side plate 5, an evaporator 6, a mounting frame 7, an evaporating fan 8, an air outlet plate 9, a partition plate 10, a return air plate 11, an auxiliary return air duct 12, a return air fan 13 and a bottom air duct 14, wherein the outer shell 1 is provided with an equipment box 2 at the bottom; the equipment box 2 is provided with a compressor 3 inside; the outer shell 1 is provided with a thermal insulation filling layer 4 on the surrounding side walls and the bottom plate; the inner side plate 5 is installed on the inner side of the thermal insulation filling layer 4; the evaporator 6 is fixedly installed between the thermal insulation filling layer 4 and the inner side plate 5 near the upper position of the equipment box.
[0016] A mounting frame 7 is fixed obliquely above the evaporator 6; an evaporating fan 8 is fixedly mounted on the mounting frame 7; an air outlet plate 9 is installed on the upper part of the evaporating fan 8; the evaporating fan 8 transports the cold air cooled from the evaporator 6 from the air outlet plate 9 to the inside of the display cabinet; a partition plate 10 is tightly installed on the inner wall of the thermal insulation filling layer 4 at the right position; an auxiliary return air duct 12 is arranged between the partition plate 10 and the right inner plate 5; a return air fan 13 is fixed at the bottom corner of the auxiliary return air duct 12; the return air fan 13 sucks in the airflow from the top and outputs it; a bottom air duct 14 is arranged between the inner plate 5 and the thermal insulation filling layer 4 at the bottom of the display cabinet; the output port of the return air fan 13 is connected to the bottom air duct 14.
[0017] An air inlet plate 15 is vertically arranged at the end of the bottom air duct 14 ; the left side of the air inlet plate 15 and the left end of the bottom air duct 14 are both connected to the bottom air inlet end of the evaporator 6 .
[0018] The upper end of the outer shell 1 is an open structure and an upper cover slide 16 is installed on the opening; sliding covers 17 are slidably installed in the slide grooves on both sides of the upper cover slide 16; the sliding cover 17 is made of transparent glass material; a handle 18 is installed on the top of the sliding cover 17; and rollers 19 are symmetrically installed on the bottom of the outer shell 1.
[0019] Traditional horizontal freezers have difficulty solving the problems of rapid cooling and uniform temperature distribution of refrigerated or frozen items, and a large amount of heat enters the cabinet during the opening and closing of the door, resulting in increased load and poor refrigeration. To achieve an enhanced cooling effect on the goods, it is necessary to solve the problems of high power consumption and uneven temperature control of the freezer; it is also necessary to solve the problem of built-in air ducts affecting ease of use and cabinet capacity, as well as the problem of poor refrigeration of large cabinet air-cooled freezers. In addition, it is also necessary to solve the inconvenience of regular manual defrosting of refrigerated ice cream cabinets.
[0020] This technical solution adopts a unique suction and exhaust system design to make the air flow smoother, including the use of an auxiliary suction system, faster cooling speed and more uniform temperature distribution; the design layout of the refrigerator system components and air duct structure is simple and convenient; it is simple to make, low cost, and suitable for mass production; it increases the cooling effect of goods and solves the problem of high power consumption; it increases the wind field circulation effect, optimizes the wind field, and reduces resistance; it reduces frost during refrigeration and increases the temperature control effect. This technical solution can solve the problems of poor cooling and uneven cooling caused by large cabinets. This display cabinet also does not require manual defrosting, eliminating the trouble of customers to clear frost regularly.
[0021] The above description is only a preferred example of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A horizontal air-cooled glass door display cabinet with an auxiliary air suction system, characterized in that: The invention comprises an outer shell (1), an equipment box (2), a compressor (3), a heat-insulating filling layer (4), an inner side plate (5), an evaporator (6), a mounting frame (7), an evaporating fan (8), an air outlet plate (9), a partition plate (10), a return air plate (11), an auxiliary return air duct (12), a return air fan (13) and a bottom air duct (14), wherein the outer shell (1) is provided with an equipment box (2) at the bottom; the equipment box (2) is provided with a compressor (3); the outer shell (1) is provided with a heat-insulating filling layer (4) on the side walls and the bottom plate around the inner periphery; the inner side plate (5) is installed on the inner side of the heat-insulating filling layer (4); and a heat-insulating filling layer (4) is fixed between the heat-insulating filling layer (4) and the inner side plate (5) near the upper part of the equipment box. An evaporator (6) is fixedly installed; a mounting frame (7) is fixedly installed above the evaporator (6); an evaporation fan (8) is fixedly installed on the mounting frame (7); an air outlet plate (9) is installed on the upper part of the evaporation fan (8); the evaporation fan (8) transports the cold air after cooling from the evaporator (6) from the air outlet plate (9) to the inside of the display cabinet; a partition plate (10) is closely installed on the inner wall of the thermal insulation filling layer (4) at the right position; an auxiliary return air duct (12) is provided between the partition plate (10) and the right inner plate (5); a return air fan (13) is fixed at the bottom corner of the auxiliary return air duct (12); the return air fan (13) sucks air flow from the top and then outputs it; A bottom air duct (14) is provided between the inner side plate (5) and the heat-insulating filling layer (4) at the bottom of the display cabinet; the output port of the return air fan (13) is connected to the bottom air duct (14).
2. A horizontal air-cooled glass door display cabinet with an auxiliary air suction system according to claim 1, characterized in that: An air inlet plate (15) is vertically arranged at the end of the bottom air duct (14); the left side of the air inlet plate (15) and the left end of the bottom air duct (14) are both connected to the bottom air inlet end of the evaporator (6).
3. The horizontal air-cooled glass door display cabinet with an auxiliary air suction system according to claim 1, characterized in that: The upper end of the outer shell (1) is an open structure and an upper cover slideway (16) is installed on the open structure; slide covers (17) are slidably installed in slide grooves on both sides of the upper cover slideway (16).
4. The horizontal air-cooled glass door display cabinet with an auxiliary air suction system according to claim 3, characterized in that: The sliding cover (17) is made of transparent glass material.
5. The horizontal air-cooled glass door display cabinet with an auxiliary air suction system according to claim 3, characterized in that: A handle (18) is installed on the top of the sliding cover (17).
6. The horizontal air-cooled glass door display cabinet with an auxiliary air suction system according to claim 1, characterized in that: Rollers (19) are symmetrically mounted on the bottom of the outer shell (1).