Evaporator defrosting device and refrigerator
By setting a heating plate and heat-conducting fins on the evaporator, heat transfer is optimized, solving the problem of low defrosting efficiency of existing air-cooled refrigerator evaporators. This achieves a more efficient and uniform defrosting effect, reduces power consumption, and improves the refrigerator's cooling performance.
Patent Information
- Application Number
- CN202520086228.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-14
AI Technical Summary
The defrosting method of the evaporator in existing air-cooled refrigerators is inefficient, takes a long time to defrost, and has uneven heat distribution, which can easily lead to high power consumption and uneven defrosting.
It adopts a structure of heating plate and heat-conducting plate. The heat-conducting plate extends into the evaporator to transfer the heat of the heating plate to the inside of the evaporator. The defrosting effect is optimized by arraying and gradually increasing the number of heat-conducting plates. Combined with heat-conducting pipe and heat insulation layer, the heat transfer efficiency is improved.
It improves the defrosting efficiency of the evaporator, avoids uneven defrosting, reduces power consumption, and enhances the cooling effect of the refrigerator.
Smart Images
Figure CN223826596U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to refrigeration equipment technical field especially relates to an evaporimeter defrosting device and refrigerator. BACKGROUND
[0002] The frostless refrigerator has become the industry mainstream because the box body is without frost, although it is called frostless refrigerator, but the frost problem still exists, only frost is on the evaporimeter that user can not see, when the frost layer on the evaporimeter is thin, the frost has little effect on the system refrigeration effect, when the attached frost layer is thick, the evaporimeter temperature conductivity will greatly decrease, seriously influence the refrigerator refrigeration effect, thereby increase the refrigerator power consumption.
[0003] The defrosting mode of the evaporimeter of the existing air-cooled refrigerator is mainly electric heating defrosting, that is, an electric heating wire is arranged below the evaporimeter, when the defrosting program is started, the electric heating wire starts heating, the frost layer is melted into water, and is discharged outside the refrigerator through a drain hole, although this mode has simple structure, but has low heating efficiency, long defrosting time, and uneven heat distribution, and problems such as large power consumption and uneven defrosting are prone to occur. SUMMARY
[0004] The main purpose of the embodiment of the utility model is to provide an evaporimeter defrosting device and refrigerator, and the technical problem of poor defrosting effect of the evaporimeter of the refrigerator in the prior art is solved.
[0005] The embodiment of the utility model provides an evaporimeter defrosting device, which comprises:
[0006] A heating plate is arranged on one side of the evaporimeter;
[0007] A heat-conducting sheet is connected to one side of the heating plate facing the evaporimeter, and the other end of the heat-conducting sheet is configured to be away from the heating plate, so that the heat-conducting sheet can extend into the evaporimeter.
[0008] In some embodiments of the utility model, a plurality of heat-conducting sheets are connected to the heating plate, and the plurality of heat-conducting sheets are arranged in an array on the heating plate.
[0009] In some embodiments of the utility model, the heating plate has a plurality of heat-conducting sheet groups, the heat-conducting sheet groups are sequentially arranged from the top of the heating plate to the bottom of the heating plate, each heat-conducting sheet group comprises a plurality of heat-conducting sheets arranged at intervals along the length direction of the heating plate, and the number of heat-conducting sheets in the heat-conducting sheet group gradually increases from the top of the heating plate to the bottom of the heating plate.
[0010] In some embodiments of the utility model, the heat-conducting sheet and the heating plate have an included angle, and the included angle is greater than or equal to 45° and less than or equal to 135°.
[0011] In some embodiments of the utility model, the heat conduction sheet is provided with flow guide holes.
[0012] In some embodiments of the utility model, the heating plate comprises a heating plate body and a heat conduction pipe connected with the heating plate body, a heating element is arranged in the heat conduction pipe, one end of the heat conduction sheet is connected with the heating plate body, and the other end of the heat conduction sheet is away from the heating plate body.
[0013] In some embodiments of the utility model, the heat conduction pipe comprises a plurality of heat conduction pipe sections connected in sequence, and the plurality of heat conduction pipe sections are arranged in sequence and at intervals from the top of the heating plate body to the bottom of the heating plate.
[0014] In some embodiments of the utility model, the heating element is an electric heating wire.
[0015] In some embodiments of the utility model, the side of the heating plate away from the heat conduction sheet is provided with a heat insulation layer.
[0016] In some embodiments of the utility model, a refrigerator is also provided, and the refrigerator comprises the evaporator defrosting device.
[0017] Embodiments of the utility model provide an evaporator defrosting device and a refrigerator, the evaporator defrosting device comprises a heating plate and a heat conduction sheet, wherein the heating plate is arranged on one side of the evaporator, one end of the heat conduction sheet is connected with the side of the heating plate facing the evaporator, and the other end of the heat conduction sheet is configured to be away from the heating plate, so that the heat conduction sheet can extend into the evaporator, and then when the heating plate is arranged on one side of the evaporator, the heat conduction sheet at least partially extends into the evaporator, the heat of the heating plate can be transmitted to the inside of the evaporator, and the defrosting efficiency of the evaporator is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.
[0019] Figure 1 It is a cooperation schematic view of the evaporator defrosting device and the evaporator of one embodiment of the utility model;
[0020] Figure 2 It is a front view structural schematic view of the evaporator defrosting device of one embodiment of the utility model;
[0021] Figure 3The utility model discloses an embodiment evaporator defrosting device's overhead structure schematic view.
[0022] Figure 4 The utility model discloses an embodiment evaporator defrosting device's structure schematic view.
[0023] Figure 5 The utility model discloses an embodiment evaporator defrosting device's structure schematic view.
[0024] The utility model discloses an embodiment evaporator defrosting device's structure schematic view. Specific implementation
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.
[0027] In the utility model, unless otherwise explicitly specified and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0029] As shown in Figures 1-5 The utility model provides a kind of defroster of evaporator, including heating plate 100 and heat conduction sheet 200, heating plate 100 is used to set in one side of evaporator 10, one end of heat conduction sheet 200 is connected with the side of heating plate 100 towards evaporator 10, the other end of heat conduction sheet 200 is configured to be away from heating plate 100, so that heat conduction sheet 200 can be extended into evaporator 10.
[0030] Wherein, heating plate 100, heat conduction sheet 200 generally are made of metal with good thermal conductivity, such as aluminum.
[0031] Wherein, heating plate 100 generates heat by electric heating etc., and then is transferred to heat conduction sheet 200.
[0032] It can be understood that since one end of heat conduction sheet 200 is connected with the side of heating plate 100 towards evaporator 10, the other end of heat conduction sheet 200 is configured to be away from heating plate 100, and then when heating plate 100 is set on one side of evaporator 10, heat conduction sheet 200 at least partially extends into evaporator 10, so that the heat of heating plate 100 can be transferred to the inside of evaporator 10, to improve the defrosting efficiency of evaporator 10.
[0033] In some embodiments, a plurality of heat conduction sheets 200 are connected to heating plate 100, and the plurality of heat conduction sheets 200 are arranged in an array on heating plate 100.
[0034] That is, the plurality of heat conduction sheets 200 on heating plate 100 can all extend into evaporator 10 when heating plate 100 is set on one side of evaporator 10, so that the inside of evaporator 10 can be heated by heat conduction sheet 200 everywhere, thereby improving the defrosting efficiency of evaporator 10, and avoiding uneven and incomplete defrosting caused by the fact that some areas are not heated.
[0035] In some embodiments, the heating plate 100 has a plurality of groups of heat-conducting sheets 200 arranged in sequence from the top of the heating plate 100 to the bottom of the heating plate 100, each group of heat-conducting sheets 200 comprising a plurality of heat-conducting sheets 200 arranged at intervals along the length of the heating plate 100, and the number of heat-conducting sheets 200 in each group of heat-conducting sheets 200 gradually increases from the top of the heating plate 100 to the bottom of the heating plate 100.
[0036] In some embodiments, the number of heat-conducting sheets 200 gradually increases from the top of the heating plate 100 to the bottom of the heating plate 100, which can better adapt to the arrangement of the heat exchange fins of the evaporator 10, and thus better help the evaporator 10 defrost.
[0037] In some embodiments, the heating plate 100 has a plurality of groups of heat-conducting sheets 200 arranged in sequence from the top of the heating plate 100 to the bottom of the heating plate 100, each group of heat-conducting sheets 200 comprising a plurality of heat-conducting sheets 200 arranged at intervals along the length of the heating plate 100, and the number of heat-conducting sheets 200 in each group of heat-conducting sheets 200 is the same.
[0038] In some embodiments, the heating plate 100 has a plurality of groups of heat-conducting sheets 200 arranged in sequence from the top of the heating plate 100 to the bottom of the heating plate 100, each group of heat-conducting sheets 200 comprising a plurality of heat-conducting sheets 200 arranged at intervals along the length of the heating plate 100, and the number of heat-conducting sheets 200 in each group of heat-conducting sheets 200 gradually decreases from the top of the heating plate 100 to the bottom of the heating plate 100.
[0039] In some embodiments, the heat-conducting sheet 200 and the heating plate 100 form an included angle, and the included angle is greater than or equal to 45° and less than or equal to 135°.
[0040] In some embodiments, the included angle between the heat-conducting sheet 200 and the heating plate 100 represents the degree of inclination of the heat-conducting sheet 200 relative to the heating plate 100, and generally, in order to adapt to the structure of the evaporator 10, the included angle between the heat-conducting sheet 200 and the heating plate 100 is usually limited to 90°, that is, the heat-conducting sheet 200 and the heating plate 100 are perpendicular to each other.
[0041] In some embodiments, the heat-conducting sheet 200 is provided with a flow guide hole 210 to enable the evaporator 10 to normally exchange heat with air.
[0042] In some embodiments, the heat-conducting sheet 200 and the heating plate 100 are integrally formed.
[0043] In some embodiments, the heat-conducting sheet 200 and the heating plate 100 are integrally formed, which can better transfer heat from the heating plate 100 to the heat-conducting sheet 200, avoiding the loss of too much heat due to the low transmission efficiency of the split connection.
[0044] In some embodiments, the heating plate 100 adopts an aluminum plate, the heat-conducting sheet 200 is based on the aluminum plate adopting the flying wing technology, and a plurality of heat-conducting sheets 200 are dug out on the heating plate 100.
[0045] In some embodiments, the heating plate 100 comprises a heating plate body 110 and a heat-conducting pipe 300 connected with the heating plate body 110, the heat-conducting pipe 300 is provided with a heating element, one end of the heat-conducting sheet 200 is connected with the heating plate body 110, and the other end of the heat-conducting sheet 200 is away from the heating plate body 110.
[0046] The heating plate body 110 and the heat-conducting pipe 300 are generally made of the same metal with good heat conductivity, such as aluminum, and the heating element is generally an electric heating wire. The heat of the electric heating wire is dispersed on the heating plate body 110 through the heat-conducting pipe 300, and then transmitted to the heat-conducting sheet 200 by the heating plate body 110, thereby heating and defrosting the evaporator 10.
[0047] The heating plate body 110, the heat-conducting pipe 300 and the heat-conducting sheet 200 are generally made of the same metal with good heat conductivity.
[0048] In some embodiments, the heat-conducting pipe 300, the heating plate body 110 and the heat-conducting sheet 200 are integrally arranged, thereby reducing the loss of heat conduction between the components.
[0049] In some embodiments, the heat-conducting pipe 300 is arranged on one side of the heating plate body 110 with the heat-conducting sheet 200.
[0050] In some embodiments, the heating plate body 110 is provided with a plurality of heat-conducting channels along the length direction thereof, the heat-conducting pipe 300 is arranged inside the heating plate body 110, thereby saving the surface area occupied when the heat-conducting pipe 300 is arranged on the outside of the heating plate 100, and more heat-conducting sheets 200 are arranged.
[0051] In some embodiments, the heat-conducting pipe 300 comprises a plurality of heat-conducting pipe segments 300 connected in sequence, and the plurality of heat-conducting pipe segments 300 are arranged in sequence and at intervals from the top of the heating plate body 110 to the bottom of the heating plate 100.
[0052] Generally, the heat-conducting pipe 300 is arranged in an S shape on the heating plate body 110.
[0053] In some embodiments, the heating element is an electric heating wire, which generates heat through the electric heating wire, and then heats the inside of the evaporator 10 through the heat-conducting pipe 300 and the heating plate body 110.
[0054] In some embodiments, the side of the heating plate 100 away from the heat-conducting sheet 200 is provided with a heat insulation layer 400.
[0055] Since the heating plate 100 is arranged in the refrigerator, the heat insulation layer 400 is arranged on the side of the heating plate 100 away from the heat-conducting sheet 200, so as to avoid heat transfer to the compartment of the refrigerator, thereby ensuring the refrigeration and freezing effects of the refrigerator.
[0056] In some embodiments, the evaporator defrosting device comprises two heating plates 100, which are oppositely arranged on two sides of the evaporator 10, and the heat-conducting sheets 200 of the two heating plates 100 respectively extend into the interior of the evaporator 10 from the two sides, so as to ensure the heating defrosting effect on the evaporator 10.
[0057] Generally, the length of the heat-conducting sheet 200 is half of the width of the evaporator 10.
[0058] In some embodiments, a refrigerator is also provided, which comprises the above-mentioned evaporator defrosting device. Since the refrigerator at least comprises part or all of the embodiments of the above-mentioned evaporator defrosting device, the refrigerator at least has the beneficial effects of the above-mentioned part or all of the embodiments, which will not be repeated here.
[0059] The above-mentioned is only the optional embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation, direct / indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is included in the patent protection scope of the present application.
Claims
1. An evaporator defrosting device, characterized in that, include: A heating plate is provided on one side of the evaporator; A heat-conducting plate, one end of which is connected to the heating plate on the side facing the evaporator, and the other end of which is configured away from the heating plate so that the heat-conducting plate can extend into the interior of the evaporator.
2. The evaporator defrosting device according to claim 1, characterized in that, The heating plate is connected to a plurality of heat-conducting plates, which are arranged in an array on the heating plate.
3. The evaporator defrosting device according to claim 2, characterized in that, The heating plate has multiple heat-conducting sheet groups, which are arranged sequentially from the top to the bottom of the heating plate. Each heat-conducting sheet group includes multiple heat-conducting sheets spaced apart along the length of the heating plate. The number of heat-conducting sheets in the heat-conducting sheet group gradually increases from the top of the heating plate toward the bottom of the heating plate.
4. The evaporator defrosting device according to claim 1, characterized in that, The heat-conducting sheet and the heating plate have an angle between them, which is greater than or equal to 45° and less than or equal to 135°.
5. The evaporator defrosting device according to claim 1, characterized in that, The heat-conducting sheet is provided with flow guide holes.
6. The evaporator defrosting device according to claim 1, characterized in that, The heating plate includes a heating plate body and a heat-conducting pipe connected to the heating plate body. A heating element is provided in the heat-conducting pipe. One end of the heat-conducting sheet is connected to the heating plate body, and the other end of the heat-conducting sheet is away from the heating plate body.
7. The evaporator defrosting device according to claim 6, characterized in that, The heat pipe includes multiple heat pipe segments connected in sequence, and the multiple heat pipe segments are arranged at intervals along the top of the heating plate body to the bottom of the heating plate.
8. The evaporator defrosting device according to claim 6, characterized in that, The heating element is an electric heating wire.
9. The evaporator defrosting device according to claim 1, characterized in that, A heat insulation layer is provided on the side of the heating plate away from the heat-conducting sheet.
10. A refrigerator, characterized in that, Includes the evaporator defrosting device according to any one of claims 1-9.