Refrigerating device for preventing water pan from freezing and vending machine

By optimizing the refrigerant circulation path and heating rod design, the problem of water tray freezing was solved, improving the stability and efficiency of the refrigeration system and ensuring the normal operation of the evaporator.

CN223636465UActive Publication Date: 2025-12-05HUNAN ZHONGGU SCI & TECH CO LTD
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Patent Information

Application Number
CN202423308679.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-05
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In vending machines with refrigeration functions below -18℃, the ice melted during defrosting of the evaporator will refreeze, causing blockage of the drain pipe on the drip tray and potential freezing of the drip tray, which affects the stability of the evaporator and the cooling effect.

Method used

By redesigning the refrigerant circulation path so that it passes directly through the pipes near the drip tray during defrosting, the heat of the refrigerant is used to heat the drip tray to prevent freezing. At the same time, heating rods are installed to prevent the drain pipe from freezing.

Benefits of technology

It effectively prevents the drip tray from freezing, improves the stability and efficiency of the refrigeration system, and ensures the normal operation of the evaporator.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a refrigerating device capable of preventing a water pan from freezing and a vending machine. The refrigerating device capable of preventing the water pan from freezing comprises a mounting frame, a compressor, an evaporator, a four-way valve, a capillary tube and a condenser, the compressor is connected with an inlet of the four-way valve through a first pipeline; a first outlet of the four-way valve is connected with the condenser through a second pipeline; the condenser is connected with the capillary tube through a third pipeline; the capillary tube is connected with the evaporator through a fourth pipeline; the evaporator is connected with a second outlet of the four-way valve through a fifth pipeline; a third outlet of the four-way valve is connected with the compressor through a sixth pipeline; a water pan is arranged at the bottom of the evaporator, and the fifth pipeline is tightly attached to the water pan.
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Description

TECHNICAL FIELD

[0001] The utility model relates to automatic vending machine technical field especially relates to prevent the refrigeration plant and vending machine of water pan icing. BACKGROUND

[0002] Automatic vending machine is the common equipment of commercial automation, it is not limited by time, place, can save manpower, convenient transaction, it is a new form of commercial retail, also be called 24 hours operation's microcosmic supermarket. And along with the change of market, vending machine also appeared multiple styles, including automatic vending machine with refrigeration function.

[0003] In the automatic vending machine with refrigeration function below-18 DEG C, under the influence of temperature, humidity, door opening times etc., the ice melted when defrosting evaporator can recondense into ice, and a large number of ice block condensation has the hidden danger of blocking the drain pipe on water pan. SUMMARY

[0004] In view of the deficiency of prior art, the utility model aims at providing refrigeration plant and vending machine for preventing water pan icing to solve the problems in the background art.

[0005] In order to realize the above-mentioned purpose, the utility model provides 1. the refrigeration plant for preventing water pan icing, including mounting bracket and the compressor, evaporator, four-way valve, capillary tube and condenser arranged in the mounting bracket;

[0006] The compressor is connected with the inlet of the four-way valve through the first pipeline;

[0007] The first outlet of the four-way valve is connected with the condenser through the second pipeline;

[0008] The condenser is connected with the capillary tube through the third pipeline;

[0009] The capillary tube is connected with the evaporator through the fourth pipeline;

[0010] The evaporator is connected with the second outlet of the four-way valve through the fifth pipeline;

[0011] The third outlet of the four-way valve is connected with the compressor through the sixth pipeline;

[0012] The evaporator bottom is equipped with water pan, and the fifth pipeline is close to the water pan.

[0013] Further, the fifth pipeline is coiled in the water pan in the shape of snake.

[0014] Further, the fifth pipeline is located at the water receiving end side of the water pan.

[0015] Further, the water pan is provided with a drain pipe; the mounting frame is provided with a water receiving bucket; the drain pipe is opposite to the water receiving bucket, so that water in the drain pipe flows into the water receiving bucket.

[0016] Further, the fifth pipeline is located at the bottom of the evaporator.

[0017] Further, the drain pipe is provided with a heating rod.

[0018] The utility model discloses a vending machine, including the refrigeration device of preventing water pan icing.

[0019] Compared with the prior art, the utility model brings following technical effects:

[0020] When carrying out the deicing work, the refrigerant passes through the compressor, the first pipeline, the four-way valve, the fifth pipeline, the evaporator, the fourth pipeline, the capillary, the third pipeline, the condenser, the second pipeline, the four-way valve, the sixth pipeline and the compressor in sequence to form a cycle, at this time, the evaporator releases heat to carry out the deicing work, and the fifth pipeline also releases heat to heat the ice on the water pan, so that the ice on the water pan is avoided to influence the evaporator, and the stability of the refrigeration system is increased. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, and should understand, the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limited scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0022] Figure 1 It is the structural schematic diagram of the utility model.

[0023] Figure 2 It is the structural schematic diagram of the utility model after removing the protective cover.

[0024] Figure 3 It is Figure 2 The enlarged view of A part in it.

[0025] Figure 4 It is the system diagram of the utility model.

[0026] Main element symbol explanation:

[0027] 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-water pan, 14-drain pipe, 15-water bucket, 16-heating rod. DETAILED DESCRIPTION

[0028] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and should not be understood as limiting the present application.

[0029] In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0031] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0033] The description of "specific examples", "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.

[0034] Embodiment one

[0035] The refrigeration device for preventing the water pan from freezing, comprising a mounting frame 1 and a compressor 2, an evaporator 3, a four-way valve 4, a capillary tube 5 and a condenser 6 arranged on the mounting frame 1;

[0036] The compressor 2 is connected with the inlet of the four-way valve 4 through the first pipeline 7;

[0037] The first outlet of the four-way valve 4 is connected with the condenser 6 through the second pipeline 8;

[0038] The condenser 6 is connected with the capillary tube 5 through the third pipeline 9;

[0039] The capillary tube 5 is connected with the evaporator 3 through the fourth pipeline 10;

[0040] The evaporator 3 is connected with the second outlet of the four-way valve 4 through the fifth pipeline 11;

[0041] The third outlet of the four-way valve 4 is connected with the compressor 2 through the sixth pipeline 12;

[0042] The evaporator 3 is provided with a water pan 13 at the bottom, and the fifth pipeline 11 is closely attached to the water pan 13.

[0043] In the embodiment, when the refrigeration device is in normal refrigeration, the refrigerant passes through the compressor 2, the first pipeline 7, the four-way valve 4, the second pipeline 8, the condenser 6, the third pipeline 9, the capillary tube 5, the fourth pipeline 10, the evaporator 3, the fifth pipeline 11, the four-way valve 4, the sixth pipeline 12, and the compressor 2 in sequence to form a cycle, at this time, the condenser 6 performs refrigeration; when the refrigeration device is in ice removal work, the refrigerant passes through the compressor 2, the first pipeline 7, the four-way valve 4, the fifth pipeline 11, the evaporator 3, the fourth pipeline 10, the capillary tube 5, the third pipeline 9, the condenser 6, the second pipeline 8, the four-way valve 4, the sixth pipeline 12, and the compressor 2 in sequence to form a cycle, at this time, the evaporator 3 performs heat release to perform ice removal work, and the fifth pipeline 11 also performs heat release to heat the ice on the water receiving tray 13, so that the ice on the water receiving tray 13 does not affect the evaporator 3, and the stability of the refrigeration system is increased, and the temperature can be lowered more quickly because the refrigerant directly passes through the pipeline.

[0044] Further, the fifth pipeline 11 is coiled in a snake shape on the water receiving tray 13.

[0045] Further, the fifth pipeline 11 is located on one side of the water receiving end of the water receiving tray 13.

[0046] In the embodiment, the fifth pipeline 11 is coiled in a snake shape on the water receiving tray 13, so that the ice on each position of the water receiving tray 13 can be quickly melted by the heat release of the fifth pipeline 11.

[0047] Further, the water receiving tray 13 is provided with a drain pipe 14, the mounting frame 1 is provided with a water receiving bucket 15, and the drain pipe 14 is opposite to the water receiving bucket 15, so that the water in the drain pipe 14 flows into the water receiving bucket 15.

[0048] Further, the fifth pipeline 11 is located at the bottom of the evaporator 3.

[0049] Further, the drain pipe 14 is provided with a heating rod 16.

[0050] In the embodiment, the water on the water receiving tray 13 is drained into the water receiving bucket 15 through the drain pipe 14, and the heating rod 16 can also prevent the drain pipe 14 from being iced.

[0051] Embodiment two

[0052] A vending machine comprises a refrigeration device for preventing the water receiving tray from being iced. The vending machine of the embodiment comprises all the technical features and technical effects of the vending machine of the first embodiment, and thus will not be described herein.

[0053] Although the above has shown and described the embodiments of the present application, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the ordinary skilled in the art can change, modify, replace and transform the above embodiments as long as they meet the purpose of the present application, and should be within the protection scope required by the present application, for example: different combinations of each specific embodiment, different combinations of each different technical feature.

Claims

1. A refrigeration device for preventing ice formation in a water collection tray, characterized in that: The refrigeration device comprises a mounting frame (1), a compressor (2), an evaporator (3), a four-way valve (4), a capillary tube (5) and a condenser (6) arranged on the mounting frame (1); The compressor (2) is connected with the inlet of the four-way valve (4) through a first pipeline (7); The first outlet of the four-way valve (4) is connected with the condenser (6) through a second pipeline (8); The condenser (6) is connected with the capillary tube (5) through a third pipeline (9); The capillary tube (5) is connected with the evaporator (3) through a fourth pipeline (10); The evaporator (3) is connected with the second outlet of the four-way valve (4) through a fifth pipeline (11); The third outlet of the four-way valve (4) is connected with the compressor (2) through a sixth pipeline (12); The bottom of the evaporator (3) is provided with a water pan (13), and the fifth pipeline (11) is close to the water pan (13).

2. The anti-icing water pan system of claim 1, wherein: The fifth pipeline (11) is coiled on the water pan (13) in a serpentine shape.

3. The ice prevention device for a water pan according to claim 1, characterized in that: The fifth pipeline (11) is located on one side of the water receiving end of the water pan (13).

4. The ice prevention apparatus for a refrigerating device according to claim 1, characterized by: A drain pipe (14) is arranged on the water pan (13), a water receiving bucket (15) is arranged on the mounting frame (1), and the drain pipe (14) is opposite to the water receiving bucket (15), so that the water in the drain pipe (14) flows into the water receiving bucket (15).

5. The ice prevention apparatus for a refrigeration device according to claim 1, characterized by: The fifth pipeline (11) is located at the bottom of the evaporator (3).

6. The ice prevention apparatus for a refrigerating device according to claim 4, characterized by: A heating rod (16) is arranged in the drain pipe (14).

7. A vending machine characterised by: The refrigeration device for preventing the water pan from icing comprises the refrigeration device for preventing the water pan from icing according to any one of claims 1-6.