Refrigerating device capable of preventing water pan from blocking water and vending machine
By installing a heating element at the bottom of the evaporator in the vending machine, the water freezes in the drain pipe, solving the problem of water tray blockage and improving the stability of the refrigeration unit.
Patent Information
- Application Number
- CN202423308671.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In vending machines with refrigeration functions at temperatures below -18°C, water droplets condensed during defrosting of the evaporator will refreeze into ice on the drip tray. Over time, the ice accumulates, increasing the risk of the evaporator freezing.
A refrigeration device for preventing water from clogging the drain pan is designed. A heating element, especially a heating rod, is installed at the bottom of the evaporator to prevent water from freezing in the drain pipe. The device includes a circulating pipe connection of the compressor, evaporator, four-way valve, capillary tube, and condenser, and the heating element is installed in the drain pipe to prevent ice blockage.
It effectively prevents ice blockage in the drain pipe, increases the stability of the refrigeration unit, and ensures the normal operation of the evaporator.
Smart Images
Figure CN223826594U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vending machine technology, and in particular to a refrigeration device and vending machine for preventing water from clogging the drip tray. Background Technology
[0002] Vending machines are commonly used equipment in commercial automation. They are not limited by time or location, save manpower, and facilitate transactions, representing a new form of commercial retail, often referred to as 24-hour mini-supermarkets. Furthermore, with market changes, vending machines have evolved into various styles, including those with refrigeration capabilities.
[0003] In vending machines with refrigeration functions below -18℃, the water droplets condensed during defrosting of the evaporator will refreeze into ice on the drip tray due to factors such as temperature, humidity, and number of times the door is opened. Over time, the ice will accumulate and there is a risk of freezing the evaporator. Summary of the Invention
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a refrigeration device and vending machine to prevent water from clogging the water tray, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the first aspect of this utility model provides a refrigeration device for preventing water blockage in the drip tray, including a mounting bracket and a compressor, evaporator, four-way valve, capillary tube and condenser disposed on the mounting bracket;
[0006] The compressor is connected to the inlet of the four-way valve via a first pipe;
[0007] The first outlet of the four-way valve is connected to the condenser via a second pipe;
[0008] The condenser is connected to the capillary tube via a third pipe;
[0009] The capillary tube is connected to the evaporator via a fourth pipe;
[0010] The evaporator is connected to the second outlet of the four-way valve via a fifth pipe;
[0011] The third outlet of the four-way valve is connected to the compressor via a sixth pipe;
[0012] The evaporator is equipped with a water receiving tray at the bottom, and the water receiving tray is equipped with a drain pipe, which contains a heating element.
[0013] Furthermore, the heating component is a heating rod.
[0014] Furthermore, the heating rod is inserted into the inlet of the drain pipe.
[0015] Furthermore, the lowest point is at the drain pipe of the water receiving tray.
[0016] Furthermore, the rated voltage of the heating rod is 24 volts.
[0017] Furthermore, the diameter of the heating rod is smaller than the inner diameter of the drain pipe, and the water on the water receiving tray flows out from the gap between the drain pipe and the heating rod.
[0018] Furthermore, a water receiving bucket is provided at the bottom of the water receiving tray, and the water receiving bucket is located directly below the drain pipe.
[0019] Furthermore, the fifth pipe is coiled above the water receiving tray.
[0020] The second aspect of this utility model also provides a vending machine, including a refrigeration device to prevent the water tray from becoming clogged.
[0021] Compared with the prior art, this utility model brings the following technical effects:
[0022] During the defrosting process, the refrigerant sequentially passes through the compressor, first pipe, four-way valve, fifth pipe, evaporator, fourth pipe, capillary tube, third pipe, condenser, second pipe, four-way valve, sixth pipe, and compressor, forming a cycle. At this time, the evaporator releases heat to perform the defrosting work. The ice on the evaporator melts into water and falls into the drip tray, then drains from the drain pipe. A heating element is installed inside the drain pipe to heat the drain pipe, which can prevent the water from freezing inside the drain pipe and causing blockage, thereby increasing the stability of the entire refrigeration unit. Attached Figure Description
[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0024] Figure 1 This is a schematic diagram of the structure of this utility model.
[0025] Figure 2 This is a schematic diagram of the structure of this utility model after the protective cover has been removed.
[0026] Figure 3 yes Figure 2 Enlarged view of part A in the image.
[0027] Figure 4 This is a system diagram of this utility model.
[0028] Explanation of key component symbols:
[0029] 1-Mounting bracket, 2-Compressor, 3-Evaporator, 4-Four-way valve, 5-Capillary tube, 6-Condenser, 7-First pipe, 8-Second pipe, 9-Third pipe, 10-Fourth pipe, 11-Fifth pipe, 12-Sixth pipe, 13-Drain tray, 14-Drain pipe, 15-Heating rod, 16-Drain bucket. Detailed Implementation
[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0031] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0034] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0035] The descriptions of "specific examples" or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0036] Example 1
[0037] A refrigeration device for preventing water blockage in the drip tray includes a mounting bracket 1 and a compressor 2, an evaporator 3, a four-way valve 4, a capillary tube 5, and a condenser 6 disposed on the mounting bracket 1.
[0038] The compressor 2 is connected to the inlet of the four-way valve 4 via the first pipe 7;
[0039] The first outlet of the four-way valve 4 is connected to the condenser 6 via the second pipe 8;
[0040] The condenser 6 is connected to the capillary tube 5 via a third pipe 9;
[0041] The capillary tube 5 is connected to the evaporator 3 via the fourth pipe 10;
[0042] The evaporator 3 is connected to the second outlet of the four-way valve 4 via the fifth pipe 11;
[0043] The third outlet of the four-way valve 4 is connected to the compressor 2 via the sixth pipe 12;
[0044] The evaporator 3 is provided with a water receiving tray 13 at the bottom, and the water receiving tray 13 is provided with a drain pipe 14, and a heating component is provided inside the drain pipe 14.
[0045] In this embodiment, during normal cooling, the refrigerant sequentially passes through compressor 2, first pipe 7, four-way valve 4, second pipe 8, condenser 6, third pipe 9, capillary tube 5, fourth pipe 10, evaporator 3, fifth pipe 11, four-way valve 4, sixth pipe 12, and compressor 2, forming a cycle. During this time, condenser 6 performs cooling. During defrosting, the refrigerant sequentially passes through compressor 2, first pipe 7, four-way valve 4, fifth pipe 11, evaporator 3, fourth pipe 10, capillary tube 5, third pipe 9, condenser 6, second pipe 8, four-way valve 4, sixth pipe 12, and compressor 2, forming a cycle. During this time, evaporator 3 releases heat to perform defrosting. The ice on evaporator 3 melts into water, which falls onto the drip tray 13 and is then discharged from drain pipe 14. A heating element is installed inside drain pipe 14 to heat the drain pipe 14, preventing water from freezing inside the drain pipe 14 and causing blockage, thereby increasing the stability of the entire refrigeration device.
[0046] Furthermore, the heating component is a heating rod 15.
[0047] Furthermore, the heating rod 15 is inserted into the water inlet of the drain pipe 14.
[0048] Furthermore, the lowest point is at the drain pipe 14 of the water receiving tray 13.
[0049] Furthermore, the rated voltage of the heating rod 15 is 24 volts.
[0050] Furthermore, the diameter of the heating rod 15 is smaller than the inner diameter of the drain pipe 14, and the water on the water receiving tray 13 flows out from the gap between the drain pipe 14 and the heating rod 15.
[0051] In this embodiment, the rated voltage of the heating rod 15 is only 24 volts. Under the premise of ensuring that the drain pipe 14 does not freeze, the power consumption of the heating rod 15 is controlled at a low level, thus reducing the cost of using the heating rod 15.
[0052] Furthermore, a water receiving bucket 16 is provided at the bottom of the water receiving tray 13, and the water receiving bucket 16 is located directly below the drain pipe 14.
[0053] Furthermore, the fifth pipe 11 is coiled above the water receiving tray 13.
[0054] In this embodiment, the fifth pipe 11 is coiled above the water receiving tray 13, so that when the refrigeration device is performing de-icing work, the fifth pipe 11 releases heat to melt the ice on the water receiving tray 13.
[0055] Example 2
[0056] The vending machine includes a cooling device to prevent the drip tray from clogging. The vending machine of this embodiment includes all the technical features and effects of Embodiment 1, and therefore will not be repeated here.
[0057] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments, as long as they meet the purpose of the present invention, and all such changes should be within the scope of protection claimed by the present invention. For example, different combinations of specific embodiments and different combinations of distinguishing technical features.
Claims
1. A refrigeration device for preventing water blockage in the drip tray, characterized in that: Includes a mounting bracket (1) and a compressor (2), evaporator (3), four-way valve (4), capillary tube (5) and condenser (6) disposed on the mounting bracket (1); The compressor (2) is connected to the inlet of the four-way valve (4) through the first pipe (7); The first outlet of the four-way valve (4) is connected to the condenser (6) through the second pipe (8); The condenser (6) is connected to the capillary tube (5) via a third pipe (9); The capillary tube (5) is connected to the evaporator (3) through the fourth pipe (10); The evaporator (3) is connected to the second outlet of the four-way valve (4) via the fifth pipe (11); The third outlet of the four-way valve (4) is connected to the compressor (2) through the sixth pipe (12); The evaporator (3) is provided with a water receiving tray (13) at the bottom, and the water receiving tray (13) is provided with a drain pipe (14), and a heating component is provided inside the drain pipe (14).
2. The refrigeration device for preventing water blockage in the drip tray according to claim 1, characterized in that: The heating component is a heating rod (15).
3. The refrigeration device for preventing water blockage in the drip tray according to claim 2, characterized in that: The heating rod (15) is inserted into the inlet of the drain pipe (14).
4. The refrigeration device for preventing water blockage in the drip tray according to claim 1, characterized in that: The lowest point is at the drain pipe (14) of the water receiving tray (13).
5. The refrigeration device for preventing water blockage in the drip tray according to claim 2, characterized in that: The rated voltage of the heating rod (15) is 24 volts.
6. The refrigeration device for preventing water blockage in the drip tray according to claim 2, characterized in that: The diameter of the heating rod (15) is smaller than the inner diameter of the drain pipe (14), and the water on the water receiving tray (13) flows out from the gap between the drain pipe (14) and the heating rod (15).
7. The refrigeration device for preventing water blockage in the drip tray according to claim 6, characterized in that: The bottom of the water receiving tray (13) is also provided with a water receiving bucket (16), which is located directly below the drain pipe (14).
8. The refrigeration device for preventing water blockage in the water receiving tray according to claim 1, characterized in that: The fifth pipe (11) is coiled above the water receiving tray (13).
9. A vending machine, characterized in that: The refrigeration device includes the method for preventing water blockage in the drip tray as described in any one of claims 1-8.