CN219346966U - Refrigerating apparatus - Google Patents

Abstract

The application relates to the field of refrigeration technology, and provides a refrigeration equipment, including: the refrigerating loop comprises a compressor, a condenser, a throttling element and an evaporator which are sequentially circulated; a water receiving tank adapted to receive defrosting water of the evaporator; the steam generator is in fluid communication with the water receiving tank and is suitable for treating water in the water receiving tank to obtain steam, the steam generator is in fluid communication with the steam pipeline, and the steam pipeline is formed with a first steam outlet facing the evaporator. According to the refrigerating equipment of the embodiment of the application, high-temperature steam is full of environment, the storage heat is higher, the steam flow rate is adjustable, the heat radiation speed of the steam is faster than that of the electric heating wire, and further, the above advantages of the steam are utilized, so that the faster defrosting efficiency can be obtained. In addition, the refrigerating equipment is provided with the water receiving tank, condensed water, defrosting water and the like generated in the refrigerating process of the refrigerating equipment can be recovered, and the times of water supplementing into the water receiving tank are further reduced.

Description

Refrigerating apparatus

Technical Field

The application relates to the technical field of refrigeration, in particular to refrigeration equipment.

Background

After the evaporator of the current refrigeration equipment is operated for a period of time, refrigeration efficiency is affected due to frosting on the surface of the evaporator. In the related art, it is proposed to attach an electric heating wire to the bottom of the evaporator and defrost the entire evaporator by heat radiation.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the related art. Therefore, the application provides the refrigeration equipment which is high in defrosting efficiency aiming at the evaporator and can ensure the refrigeration efficiency of the refrigeration equipment.

According to an embodiment of the present application, a refrigeration apparatus includes:

the refrigerating loop comprises a compressor, a condenser, a throttling element and an evaporator which are sequentially circulated;

a water receiving tank adapted to receive defrost water of the evaporator;

and the steam generator is in fluid communication with the water receiving tank and is suitable for treating water in the water receiving tank to obtain steam, the steam generator is in fluid communication with a steam pipeline, and the steam pipeline is formed with a first steam outlet facing the evaporator.

According to the refrigeration equipment of the embodiment of the application, the environment is fully filled with high-temperature steam, the storage heat is higher (compared with the electric heating wire, the specific heat capacity of the high-temperature steam is larger, more heat can be stored), the steam flow rate is adjustable, the heat radiation speed of the steam is faster compared with that of the electric heating wire, and further, the higher defrosting efficiency can be obtained by utilizing the advantages of the steam. In addition, the refrigerating equipment is provided with the water receiving tank, condensed water, defrosting water and the like generated in the refrigerating process of the refrigerating equipment can be recovered, and the times of water supplementing into the water receiving tank are further reduced.

According to one embodiment of the present application, the refrigeration apparatus is provided with a refrigeration compartment and an evaporator chamber, the evaporator being disposed within the evaporator chamber, the refrigeration compartment and the evaporator chamber being in fluid communication.

According to one embodiment of the application, the evaporator chamber is positioned at the back of the refrigeration compartment, the steam pipeline is further provided with a second steam outlet which faces the back plate of the refrigeration compartment, and a switch valve is arranged corresponding to the steam outlet;

the switch valve is opened, and the second steam outlet is communicated with the refrigeration compartment; the switch valve is closed, and the second steam outlet is disconnected from the refrigeration compartment.

According to one embodiment of the application, a first drain pipe is communicated with the bottom of the evaporator chamber, the water receiving tank is located outside the evaporator chamber, and the first drain pipe is in fluid communication with the water receiving tank.

According to one embodiment of the application, the steam generator is arranged outside the evaporator chamber.

According to one embodiment of the application, the steam generator is communicated with the water tank through a water inlet pipe, and a water pump is connected in the water inlet pipe.

According to one embodiment of the application, the evaporator chamber is provided with a temperature sensor, which is arranged at a location remote from the first drain pipe.

According to one embodiment of the application, an air outlet is formed in the evaporator chamber corresponding to the upper portion of the evaporator, an air return opening is formed in the evaporator chamber corresponding to the lower portion of the evaporator, the air outlet and the air return opening are all in fluid communication with the refrigeration compartment, and valves are arranged at the air outlet and the air return opening.

According to one embodiment of the present application, the steam pipe comprises a horizontal pipe section arranged at the bottom of the evaporator, and the horizontal pipe section is provided with a plurality of first steam outlets.

According to one embodiment of the application, the water receiving tank is provided with a water level switch.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for a person having ordinary skill in the art.

Fig. 1 is a schematic view of a structure of a refrigeration apparatus in the related art;

fig. 2 is a schematic structural view of a refrigeration apparatus according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a refrigeration circuit according to an embodiment of the present application;

fig. 4 is a schematic view of a structure in which the refrigerating apparatus is a refrigerator;

reference numerals:

010. an electric heating wire;

100. a refrigeration circuit; 101. a compressor; 102. a condenser; 103. a throttle element; 104. an evaporator;

200. a fan;

300. a steam generator;

400. a steam pipe; 401. a first steam outlet; 402. a second steam outlet; 403. a horizontal pipe section;

500. a first drain pipe;

600. a water receiving tank; 601. a water level switch;

700. a water inlet pipe;

800. a water pump;

900. a temperature sensor;

110. an evaporator chamber; 111. an air outlet; 112. an air return port;

120. a back plate;

130. a refrigeration compartment.

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the present application but are not intended to limit the scope of the present application.

In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on those shown in the drawings, are merely for convenience in describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.

In the examples herein, a first feature "on" or "under" a second feature may be either the first and second features in direct contact, or the first and second features in indirect contact via an intermediary, unless expressly stated and defined otherwise. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The present application provides a refrigeration apparatus, please refer to fig. 2 and 3, including a refrigeration circuit 100, a water receiving tank 600 and a steam generator 300. The refrigerating apparatus herein may be a refrigerator, an ice maker, an air conditioner, or the like, and a specific product form is not limited as long as it has a refrigerating function. The refrigeration circuit 100 includes a compressor 101, a condenser 102, a throttling element 103, and an evaporator 104 in flow communication. Cooling may be achieved by the refrigeration circuit 100. As the refrigeration circuit 100 operates, the longer the time, the thicker the layer of frost on the surface of the evaporator 104, which may eventually cause the refrigeration equipment to fail to cool properly. Based on this, it is necessary to defrost the evaporator 104 surface of the refrigeration circuit 100.

In fig. 1, an electric heating wire 010 is disposed at the bottom of the evaporator 104, and the heat conduction of the electric heating wire 010 is mainly realized by the evaporator 104, which easily causes the bottom of the evaporator 104 to defrost quickly, while the top of the evaporator 104 to defrost slowly. Based on this, the present application is further improved on the basis of the scheme in fig. 1, resulting in the structure in fig. 2. The refrigeration unit of fig. 2 includes a water receiving tank 600, where the water receiving tank 600 can receive the defrost water of the evaporator 104. The steam generator 300 is in fluid communication with the water receiving tank 600, adapted to treat water in the water receiving tank 600 to obtain steam, the steam generator 300 is in fluid communication with the steam conduit 400, and the steam conduit 400 is formed with a first steam outlet 401 towards the evaporator 104. Thus, the steam generator 300 processes water of the water tank to obtain high temperature steam and sprays the high temperature steam to the evaporator 104 through the steam pipe 400 to defrost the evaporator 104.

According to the embodiment of the application, the environment is full of high-temperature steam, the heat storage capacity is higher (compared with the electric heating wire 010, the high-temperature steam has larger specific heat capacity and further can store more heat), the steam flow rate is adjustable, the heat radiation speed of the steam compared with the electric heating wire 010 is faster, and further, the above advantages of the steam are utilized, so that the faster defrosting efficiency can be obtained. In addition, the refrigerating apparatus is provided with the water receiving tank 600, which can recover condensed water, frosted water and the like generated in the refrigerating process of the refrigerating apparatus, thereby reducing the times of water supplementing into the water receiving tank 600.

In accordance with an embodiment of the present application, when the refrigeration appliance is a refrigerator, please refer to fig. 4, which includes a refrigeration compartment 130 and an evaporator chamber 110, the refrigeration compartment 130 and the evaporator chamber 110 are in fluid communication. Wherein the refrigeration circuit 100 cools the refrigeration compartment 130 such that the refrigeration compartment 130 is suitable for refrigerating food. The evaporator 104 is disposed within the evaporator chamber 110 such that the temperature of the evaporator chamber 110 is generally lower than the temperature of the refrigeration compartment 130.

In order to reasonably distribute the space of the refrigerator, the evaporator chamber 110 may be disposed at the back of the refrigerating compartment 130. On this basis, the steam pipe 400 is further formed with a second steam outlet 402 facing the back plate 120 of the refrigerating compartment 130, and an on-off valve is provided corresponding to the second steam outlet 402. Thus, when the switching valve is opened, the second steam outlet 402 communicates with the refrigerating compartment 130, and at this time, the refrigerating compartment 130 may be sterilized by high-temperature steam; when the switching valve is closed, the second steam outlet 402 is disconnected from the refrigerating compartment 130. Further, the on-off of the second steam outlet 402 is controlled by an on-off valve. The on-off valve may be disposed on the back plate 120 or the steam pipe 400, and the specific installation position is not limited, so long as the on-off valve can be used to control sterilization of the refrigeration compartment 130.

In order to avoid freezing of water in the water receiving tub 600, the water receiving tub 600 may be disposed outside the evaporator chamber 110. For example, the water receiving tank 600 may be provided in a refrigerating chamber, or the water receiving tank 600 may be provided in a foaming layer, and the specific location is not limited thereto, as long as the water receiving tank 600 is located at an environmental temperature higher than the freezing temperature of water. Of course, the water receiving tank 600 may be provided in the evaporator chamber 110, and at this time, the water in the water receiving tank 600 needs to be added with an antifreeze to avoid freezing of the water.

In one embodiment, the water receiving tank 600 is disposed outside the evaporator chamber 110, and a first drain pipe 500 is connected to the bottom of the evaporator chamber 110, and the first drain pipe 500 is in fluid communication with the water receiving tank 600. Further, the first drain pipe 500 may collect water in the evaporator chamber 110 and introduce the water into the water receiving tank 600. For example, the bottom plate of the evaporator chamber 110 may be provided in an inclined shape, and the first drain pipe 500 is communicated at the lowest point of the bottom plate, and further, the defrost water in the evaporator chamber 110 may flow along the bottom plate to the first drain pipe 500, and finally, enter the water receiving tank 600. In addition, the refrigerating chamber of the refrigerator may be provided with a water guide member, and the water guide member may guide condensed water in the refrigerating chamber to the water receiving tank 600 to facilitate the use of the condensed water. When the water receiving tank 600 recovers the defrost water and the condensed water of the refrigerator, the water demand of the steam generator 300 can be satisfied without adding water to the water receiving tank 600 in addition.

According to embodiments of the present application, the steam generator 300 may also be disposed outside the evaporator chamber 110 to avoid the low temperature environment of the evaporator chamber 110 from affecting the normal operation of the steam generator 300.

In order to ensure that the water in the water receiving tank 600 is utilized, the steam generator 300 can be communicated with the water pump 800 through the water inlet pipe 700, the water pump 800 pumps the water in the water tank to the steam generator 300, and after the steam generator 300 heats the water, the steam is sprayed out from the first steam outlet 401 through the steam pipeline 400 to defrost the frosted evaporator 104. Of course, instead of providing the water pump 800, the positional relationship between the water receiving tub 600 and the steam generator 300 may be appropriately set to ensure that water in the tub can flow to the steam generator 300.

The start-up of the steam generator 300 may be controlled by the temperature sensor 900, and the temperature of the evaporator 104 is detected by the temperature sensor 900 to determine the operation state of the evaporator 104, so as to control the start-up and stop of the steam generator 300. Wherein, in order to avoid the temperature of the temperature sensor 900 from being disturbed by the defrost water or the steam generator 300, the temperature sensor 900 is disposed at a position remote from the first drain pipe 500. For example, the temperature sensor 900 may be an evaporator temperature sensing bag, and the evaporator temperature sensing bag is disposed corresponding to the upper end of the evaporator 104. Alternatively, the temperature sensor 900 may be of another type, the temperature sensor 900 being mounted on a sidewall of the evaporator chamber 110 with the temperature sensor 900 being remote from the first drain pipe 500.

Referring to fig. 2, the evaporator chamber 110 is provided with an air outlet 111 and an air return 112, and the evaporator chamber 110 is in fluid communication with the refrigeration compartment 130 through the air outlet 111 and the air return 112. Wherein the air outlet 111 may be disposed above the evaporator 104 and the return air inlet 112 may be disposed below the evaporator 104. Thereby, cool air discharged from the air outlet 111 enters the cooling compartment 130 from above, and sinks to cool the entire cooling compartment 130. The air reaching the bottom of the refrigerated compartment 130 increases in temperature and returns to the evaporator compartment 110 through the return air inlet 112 before flowing through the evaporator 104 from bottom to top. A fan 200 may also be provided in the evaporator chamber 110 to accelerate the air flow between the evaporator chamber 110 and the refrigerated compartment 130. Valves can be arranged at the air outlet 111 and the air return 112, and the on-off of the air outlet 111 and the air return 112 can be controlled through the valves. The valves at the air outlet 111 and the air return 112 are opened, and the high-temperature steam generated by the steam generator 300 can be introduced into the refrigeration compartment 130 to sterilize the refrigeration compartment 130.

In fig. 2, the steam pipe 400 comprises a horizontal pipe section 403 arranged at the bottom of the evaporator 104, the horizontal pipe section 403 being provided with a plurality of first steam outlets 401 towards the evaporator 104. By providing a horizontal tube section 403 at the bottom of the evaporator 104, it is possible to defrost the upper part of the evaporator 104 by molecular movement of the vapor. It should be noted that, the bottom of the evaporator 104 is frosted more severely than the top, and the horizontal tube section 403 is disposed at the bottom of the evaporator 104, which is beneficial to accelerating the defrosting of the bottom of the evaporator 104 and ensuring the uniformity of the defrosting efficiency of the evaporator 104. And in this case, the arrangement of the steam pipe 400 does not increase the thickness dimension of the evaporator chamber 110 in the front-rear direction, and thus the utilization of the effective space of the refrigerator can be avoided. Of course, a horizontal tube section 403 may be further added corresponding to the middle of the evaporator 104 to further ensure the defrosting effect of the upper portion of the evaporator 104. Further, in addition to providing the horizontal pipe section 403, the steam pipe 400 may be provided with a pipe section extending in other directions.

In order to ensure sufficient water supply to the water receiving tank 600 and normal operation of the steam generator 300, a water level switch 601 may be provided in the water receiving tank 600. Furthermore, when the detected water level is insufficient, the user is timely reminded of water replenishment.

According to the refrigerating equipment disclosed by the embodiment of the application, the centralized control system of the refrigerating equipment firstly judges whether a defrosting instruction needs to be sent or not based on the detector. The detector herein may refer to the temperature sensor 900 mentioned previously, or the detector herein may be a timer that determines when it is necessary to defrost the evaporator 104 based on the evaporator 104 operation accumulating for a certain period of time. The centralized control system issues a defrosting instruction based on the detection result of the detector, and controls the refrigeration circuit 100 to stop working. On this basis, the water level switch 601 detects the water level in the water receiving tank 600, and when the water level highly meets the defrosting requirement, the return air inlet 112 and the return air inlet 112 can be closed at this time, and the water pump 800 and the steam generator 300 are turned on to defrost the evaporator 104. In the process of defrosting the evaporator 104, the temperature of the evaporator 104 may be detected by the temperature sensor 900, and when the detected temperature of the evaporator 104 reaches the set temperature, it is determined that evaporating the frost is completed, so as to control the end of the process of evaporating the frost. The steam generator 300 and the water pump 800 are controlled to continue to operate until the detected temperature of the evaporator 104 reaches the set temperature. According to the embodiment of the application, the refrigeration equipment can be further provided with a display, and the working state of the refrigeration equipment can be displayed through the display.

Finally, it should be noted that the above embodiments are only for illustrating the present application, and are not limiting of the present application. While the present application has been described in detail with reference to the embodiments, those skilled in the art will understand that various combinations, modifications, or equivalents of the technical solutions of the present application may be made without departing from the spirit and scope of the technical solutions of the present application, and all such modifications are intended to be covered by the claims of the present application.

Claims (10)

1. A refrigeration appliance, comprising:

a refrigeration circuit (100) comprising a compressor (101), a condenser (102), a throttling element (103) and an evaporator (104) in succession;

-a water receiving tank (600) adapted to receive defrost water of the evaporator (104);

-a steam generator (300) in fluid communication with the water receiving tank (600) adapted to treat water in the water receiving tank (600) to obtain steam, the steam generator (300) being in fluid communication with a steam conduit (400), and the steam conduit (400) being formed with a first steam outlet (401) towards the evaporator (104).

2. A refrigeration appliance according to claim 1, wherein the refrigeration appliance is provided with a refrigeration compartment (130) and an evaporator chamber (110), the evaporator (104) being disposed within the evaporator chamber (110), the refrigeration compartment (130) and the evaporator chamber (110) being in fluid communication.

3. A refrigeration appliance according to claim 2, wherein the evaporator chamber (110) is located at the back of the refrigeration compartment (130), the steam duct (400) being further formed with a second steam outlet (402) towards the back plate (120) of the refrigeration compartment (130), the steam outlet being provided with an on-off valve in correspondence of the steam outlet;

the switch valve is opened, and the second steam outlet (402) is communicated with the refrigeration compartment (130); the on-off valve is closed and the second steam outlet (402) is disconnected from the refrigeration compartment (130).

4. The refrigeration appliance of claim 2, wherein a first drain pipe (500) is connected to the bottom of the evaporator chamber (110), the water receiving tank (600) being located outside the evaporator chamber (110), the first drain pipe (500) being in fluid communication with the water receiving tank (600).

5. A refrigeration appliance according to claim 4, wherein the steam generator (300) is arranged outside the evaporator chamber (110).

6. A refrigeration appliance according to claim 5, wherein the steam generator (300) and the water tank are in communication via a water inlet pipe (700), a water pump (800) being connected in the water inlet pipe (700).

7. A refrigeration appliance according to claim 4, wherein the evaporator chamber (110) is provided with a temperature sensor (900), the temperature sensor (900) being arranged at a location remote from the first drain pipe (500).

8. The refrigeration appliance according to claim 2, wherein an air outlet (111) is provided in the evaporator chamber (110) above the evaporator (104), an air return opening (112) is provided in the evaporator chamber (110) below the evaporator (104), the air outlet (111) and the air return opening (112) are both in fluid communication with the refrigeration compartment (130), and valves are provided at the air outlet (111) and the air return opening (112).

9. A refrigeration appliance according to any of claims 1 to 8, characterized in that the steam duct (400) comprises a horizontal tube section (403) arranged at the bottom of the evaporator (104), the horizontal tube section (403) being provided with a plurality of the first steam outlets (401).

10. Refrigeration appliance according to any of claims 1 to 8, characterized in that the water receiving tank (600) is provided with a water level switch (601).

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