Refrigeration equipment
By setting a gap between the heating element and the bottom wall of the evaporator in the refrigeration equipment, the problem of defrost water accumulation is solved, and the defrost efficiency and effect are improved.
Patent Information
- Application Number
- CN202420503224.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-03-14
AI Technical Summary
When the existing refrigerator is in defrosting mode, the heating parts come into contact with the bottom wall of the evaporator chamber, causing defrosting water to accumulate, hinder heat dissipation and reduce defrosting efficiency.
A refrigeration equipment is designed to have a gap between the heating element and the bottom wall of the evaporator, which provides the flow of defrosting water, prevents accumulation, and quickly conducts heat through the thermal conductivity of the fins.
Improve the defrost efficiency, prevent heat from being difficult to dissipate by heating parts, extend the defrost time, and improve the defrost effect.
Smart Images
Figure CN222480849U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of refrigeration equipment, in particular to refrigeration equipment. Background Art
[0002] As for the technical field of refrigerators, in the related technology, the evaporator is in contact with the bottom wall of the evaporator bin, the heating element is embedded in the evaporator, and the heating element is also in contact with the bottom wall of the evaporator bin. When the refrigerator is in defrost mode, the heating element heats up, the frost on the evaporator melts and turns into defrost water, and the defrost water drips onto the bottom wall of the evaporator bin under the action of gravity, and the defrost water flows along the bottom wall of the evaporator bin. However, both the evaporator and the heating element are in contact with the bottom wall of the evaporator bin, which easily hinders the flow of defrost water, causing the defrost water to accumulate around the heating element. The defrost water absorbs the heat of the heating element, causing the heat of the heating element to be difficult to dissipate to other positions of the evaporator, resulting in low defrost efficiency and poor defrost effect. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a refrigeration device, which can provide a gap between the heating element and the bottom wall of the evaporator, the gap can allow defrost water to flow, and the defrost water is not easy to accumulate around the heating element, which can improve the defrosting efficiency.
[0004] According to the refrigeration equipment of the embodiment of the utility model, it includes: a box body, which is provided with an evaporator bin; an evaporator, which is located in the evaporator bin, and the evaporator is provided with a refrigerant pipe and a fin, the refrigerant pipe includes a straight pipe section, the straight pipe section is vertically penetrated through the fin, and the fin is placed on the bottom wall of the evaporator bin; a heating element, which is connected to the fin, and the heating element extends along the length direction of the straight pipe section; wherein a recess is provided on one side of the fin close to the bottom wall, the heating element is installed in the recess, and there is a gap between the heating element and the bottom wall.
[0005] According to the refrigeration device of the embodiment of the utility model, at least the following beneficial effects are achieved: when the refrigeration device is in the refrigeration mode, the temperature of the refrigerant pipe will decrease, and since the refrigerant pipe is connected to the fin, the temperature of the fin will also decrease, and the heat conduction effect of the fin is good, so that the refrigeration can be quickly performed. When the refrigeration device is in the defrosting mode, the heating element generates heat, and the heat of the heating element is conducted to the evaporator, so that the frost on the evaporator melts into defrosting water, and the defrosting water drips onto the bottom wall of the evaporator bin under gravity. By setting a recess on the side of the fin close to the bottom wall, the heating element is installed in the recess, so that there is a gap between the heating element and the bottom wall, and the defrosting water can flow to the drain port through the gap, and the heating element is not easy to block the flow of defrosting water, and the defrosting water is not easy to accumulate around the heating element. The heat of the heating element can be quickly conducted to other positions of the evaporator through the fin, thereby reducing the defrosting time and improving the defrosting efficiency. In addition, since the heating element extends along the length direction of the straight pipe section, the heating element can cover the entire evaporator more comprehensively, and the heat of the heating element can be evenly dissipated to the evaporator, so that the defrosting effect is better.
[0006] In some embodiments, there are multiple recesses, and the multiple recesses are arranged at intervals along the length direction of the evaporator.
[0007] In some embodiments, the recess is located between two adjacent fins.
[0008] In some embodiments, the fin is provided with a complete recess.
[0009] In some embodiments, the recess is provided on both the upper side and the lower side of the fin.
[0010] In some embodiments, the minimum distance between the heating element and the outer edge of the fin is greater than or equal to 0.5 mm.
[0011] In some embodiments, the evaporator bin is provided with a drain port, the evaporator is provided with a plurality of the heating elements arranged at intervals, and along the direction of the evaporator approaching the drain port, the minimum distance from the plurality of the heating elements to the outer edge of the fin increases gradually.
[0012] In some embodiments, the bottom wall is inclined, and a side of the bottom wall close to the drain outlet is lower than a side of the bottom wall away from the drain outlet.
[0013] In some embodiments, the evaporator bin is provided with a return air port, and a plurality of the heating elements are arranged at intervals on the evaporator, and the arrangement density of the plurality of the heating elements is constructed such that the density on the side close to the return air port is greater than the density on the side away from the return air port.
[0014] In some embodiments, the spacing between two adjacent heating elements in the distribution structure of the evaporator is smaller on the side close to the return air inlet than on the side away from the return air inlet; and / or, the evaporator is arranged with multiple layers of the heating elements, and the number of layers on the side close to the return air inlet is greater than the number of layers on the side away from the return air inlet.
[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:
[0017] Figure 1 It is a cross-sectional view of a refrigerator of some embodiments of the utility model;
[0018] Figure 2 It is a cross-sectional view of a refrigerator of some embodiments of the utility model;
[0019] Figure 3 It is a cross-sectional view of a refrigerator of some embodiments of the utility model;
[0020] Figure 4 It is a schematic diagram of the structure of the evaporator of the refrigerator of some embodiments of the utility model;
[0021] Figure 5 for Figure 4 The enlarged view of point A in the middle;
[0022] Figure 6 This is a schematic structural diagram of an evaporator of a refrigerator according to some embodiments of the utility model (with a hidden heating element).
[0023] Reference numerals:
[0024] Refrigerator 1000;
[0025] Door body 100;
[0026] Box body 200, storage space 210, refrigerating chamber 211, variable temperature chamber 212, freezing chamber 213, compressor compartment 220, evaporator compartment 230, drain port 231, return air port 232, first section 233, second section 234, evaporator cover 235, barrier 236, first bottom plate 240, second bottom plate 250, air duct 260, air outlet 261;
[0027] Drawer 300;
[0028] Fan 400;
[0029] Water tray 500;
[0030] Evaporator 600, refrigerant pipe 610, curved pipe section 611, straight pipe section 612, fin 620, recess 621;
[0031] Heating element 700;
[0032] Compressor 800;
[0033] Drain pipe 900. DETAILED DESCRIPTION
[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0035] It should be noted that the refrigeration device provided in this embodiment can be a device with refrigeration function such as a refrigerator, a wine cabinet or a freezer. The following embodiments are mainly described by taking the refrigeration device as a refrigerator.
[0036] Reference Figure 1 1 is a refrigerator 1000 of an embodiment of the present invention, and the refrigerator 1000 includes an evaporator 600, a compressor 800, a door 100 and a cabinet 200. The door 100 is rotatably connected to the cabinet 200, and the cabinet 200 is provided with a storage space 210 and an evaporator bin 230, and the evaporator 600 is installed in the evaporator bin 230. Figure 4 and Figure 5 As shown, the evaporator 600 is provided with a refrigerant pipe 610 and fins 620. The refrigerant pipe 610 is used to transport the refrigerant, and the refrigerant pipe 610 is connected to the compressor 800. Figure 6 As shown, the refrigerant pipe 610 includes a straight pipe section 612, the straight pipe section 612 passes through the fin 620, the straight pipe section 612 is perpendicular to the fin 620, the fin 620 is provided with a through hole for the straight pipe section 612 to pass through, the fin 620 is placed on the bottom wall of the evaporator bin 230, the fin 620 is a sheet-like structure with a small thickness, the extension direction of the fin 620 is the same as the flow direction of the defrost water, the blocking area for the defrost water is small, and it is not easy to hinder the flow of the defrost water. The fin 620 is also used to conduct heat. When the refrigerator 1000 is refrigerating, the temperature of the refrigerant pipe 610 will decrease. Since the fin 620 is in contact with the straight pipe section 612 of the refrigerant pipe 610, the temperature of the fin 620 will also decrease. The fin 620 has a good heat conduction effect and a good cooling effect, and can quickly reduce the temperature of the surrounding space to achieve rapid refrigeration.
[0037] Specifically, the refrigerator 1000 further includes a heating element 700, which is embedded in the fin 620. The length direction of the heating element 700 is parallel to the length direction of the straight tube section 612. It can also be understood that the heating element 700 is perpendicular to the fin 620. When the refrigerator 1000 is in the defrosting mode, the heating element 700 can heat the evaporator 600 to melt the frost on the evaporator 600. The fin 620 is provided with a recess 621 on one side of the bottom wall close to the evaporator bin 230. The recess 621 can be understood as a groove or a hole. The recess 621 is recessed upward. The heating element 700 is installed in the recess 621. The edge of the fin 620 forms an opening at the corresponding position of the recess 621. The heating element 700 can enter the recess 621 from the opening. It can also be understood that the recess 621 is U-shaped when viewed from the side of the fin 620. By setting a recess 621 on the fin 620, after the heating element 700 is installed in the recess 621, there will be a gap between the heating element 700 and the bottom wall of the evaporator bin 230. It can also be understood that the heating element 700 is positioned higher, leaving a certain space. The heating element 700 will not block the defrost water. During defrosting, the gap can be used for defrost water to flow, and the defrost water is not easy to accumulate around the heating element 700, which is beneficial for the heat of the heating element 700 to be dissipated to other positions of the evaporator 600, thereby improving the defrosting effect and improving the defrosting efficiency.
[0038] It should be noted that, in some other embodiments, the length direction of the heating element 700 is nearly parallel to the length direction of the straight pipe section 612, or although the length direction of the heating element 700 and the length direction of the straight pipe section 612 have a certain intersection angle, the heating element 700 as a whole still extends along the length direction of the straight pipe section 612, and if the heating element 700 contacts the bottom wall of the evaporator bin 230, it will cause obvious obstruction to the flow of defrost water. The scheme of this embodiment can effectively reduce the obstruction to the flow of defrost water.
[0039] It is understandable that, referring to Figure 5 As shown, in some embodiments, the minimum distance between the heating element 700 and the outer edge of the fin 620 is H, and H is greater than or equal to 0.5 mm, which can ensure that the gap between the heating element 700 and the bottom wall of the evaporator bin 230 is larger, ensuring that the defrost water flows more smoothly.
[0040] It can be understood that, in some embodiments, the evaporator bin 230 is provided with a drain port 231, and the evaporator 600 is provided with a plurality of heating elements 700 arranged at intervals. For each heating element 700, a minimum distance H is formed between the heating element 700 and the outer edge of the fin 620. When the number of heating elements 700 is multiple, the number of minimum distances H is also multiple, and each heating element 700 corresponds to a minimum distance H. The fluidity of the defrost water can be improved by changing the distribution of these multiple minimum distances H. Specifically, along the direction of the evaporator 600 close to the drain outlet 231, or understood as, from back to front, the minimum distances H from the multiple heating elements 700 to the outer edges of the fins 620 gradually increase. At the position on the evaporator 600 close to the drain outlet 231, the minimum distance H from the heating element 700 to the outer edge of the fin 620 is larger, and at the position on the evaporator 600 away from the drain outlet 231, the minimum distance H from the heating element 700 to the outer edge of the fin 620 is smaller. Since the bottom wall of the evaporator bin 230 is inclined, the defrost water will accumulate near the drain outlet 231. In this embodiment, the position with a larger minimum distance H on the evaporator 600 corresponds to the position where more defrost water accumulates. It can also be understood that leaving more space for the defrost water to flow can be more conducive to the defrost water on the bottom wall of the evaporator bin 230 to flow toward the drain outlet 231.
[0041] It can be understood that in some embodiments, the evaporator compartment 230 is provided with a return air port 232, and the evaporator 600 is arranged with a plurality of heating elements 700 at intervals. The arrangement density of the heating elements 700 will affect the defrosting efficiency. Specifically, compared with the position of the evaporator 600 close to the return air port 232 and the position of the evaporator 600 far from the return air port 232, the arrangement density of the heating elements 700 is greater at the position of the evaporator 600 close to the return air port 232. It can also be understood that, compared with the front and rear sides of the evaporator 600, the arrangement density of the heating elements 700 is greater at the front side of the evaporator 600, so that the number of heating elements 700 near the return air port 232 is greater. Since the airflow entering from the return air port 232 will contact the evaporator 600, the moisture in the airflow is easy to frost on the evaporator 600, and the frost on the evaporator 600 will be concentrated on the front side of the evaporator 600, and the frost will also hinder the defrosting water from flowing toward the drain port 231. In this embodiment, the arrangement density of the heating element 700 at the front side of the evaporator 600 is relatively large, so that the heat of the heating element 700 can be concentrated at the front side of the evaporator 600, that is, the side of the evaporator 600 close to the return air outlet 232, so that the heat is accumulated as much as possible at the position where there is more frost on the evaporator 600, which is beneficial to heating and melting the frost, improving the defrosting efficiency, and making the frost on the evaporator 600 melt quickly. After the frost melts, it will not block the flow of defrost water, which can improve the fluidity of the defrost water.
[0042] It is understandable that, for the above-mentioned embodiment, in order to make the arrangement density of the heating elements 700 on the side of the evaporator 600 close to the return air port 232 higher, this can be achieved by arranging the spacing between two adjacent heating elements 700 or the number of layers of the heating elements 700. Specifically, starting from the spacing between the two heating elements 700, compared with the two positions of the evaporator 600 close to the return air port 232 and the side away from the return air port 232, the spacing between the two heating elements 700 is smaller at the position close to the return air port 232. It can also be understood that, compared with the front side position and the rear side position of the evaporator 600, the spacing between the two heating elements 700 is smaller at the front side position. It can also be that, from the back to the front, the spacing between every two heating elements 700 gradually decreases. Alternatively, starting from the number of layers of the heating element 700, the evaporator 600 is arranged with multiple layers of heating elements 700, and the multiple layers of heating elements 700 can be stacked in the up-down direction. Comparing the two positions of the evaporator 600 close to the return air inlet 232 and the position away from the return air inlet 232, the position close to the return air inlet 232 has more layers of heating elements 700. It can also be understood that, comparing the front position and the rear position of the evaporator 600, the front position has more layers of heating elements 700. It can also be that the number of layers of the heating element 700 gradually increases from the back to the front. Alternatively, starting from the distance between the two heating elements 700 and the number of layers of the heating elements 700, the above-mentioned embodiments can be arranged at the same time, so that at the position of the evaporator 600 close to the return air inlet 232, the distance between the two heating elements 700 is smaller, and the number of layers of the heating elements 700 is more.
[0043] It is understandable that, referring to Figure 4As shown, in some embodiments, the heating element 700 is a tubular structure, and the heating element 700 can be understood as a heat pipe, and the cross section of the heating element 700 is circular. The fin 620 is a square sheet structure, which occupies a small space. The fin 620 extends in the front-to-back direction, or it can also be understood that the evaporator 600 extends in the up-down direction. The number of fins 620 is multiple, and the multiple fins 620 are arranged in the front-to-back direction to form a group of fin 620 units. The number of the fin 620 units is multiple groups, and the multiple groups of fin 620 units are arranged at intervals in the left-right direction. The heating element 700 is perpendicular to the fin 620, so that the heating element 700 can contact the multiple fins 620. It can also be understood that the heating element 700 can pass through the multiple fins 620, so that the heat of the heating element 700 can be more evenly dissipated to the multiple fins 620, thereby improving the defrosting effect. From the overall view of the evaporator 600, there are multiple recesses 621, and the multiple recesses 621 are arranged in the front-to-back direction, that is, the multiple recesses 621 are arranged at intervals along the length direction of the evaporator 600. It can also be understood that the multiple recesses 621 are arranged at intervals along the arrangement direction of the straight tube section 612. Multiple heating elements 700 can be arranged, and the multiple heating elements 700 are installed one-to-one with the multiple recesses 621, and the multiple heating elements 700 can be connected to each other. Alternatively, the heating element 700 can also be bent so that the heating element 700 forms multiple transverse sections extending in the left-right direction, the transverse sections are perpendicular to the fins 620, and the multiple transverse sections are installed one-to-one with the multiple recesses 621. The heating element 700 can cover the entire evaporator 600 more evenly, thereby improving the defrosting effect.
[0044] It is understandable that, referring to Figure 4 and Figure 6 As shown, in some embodiments, the refrigerant pipe 610 also includes a curved pipe section 611, and the two ends of the curved pipe section 611 are respectively connected to two straight pipe sections 612. It can also be understood that the straight pipe section 612-curved pipe section 611-straight pipe section 612 are connected to form a U-shaped unit, and the number of the U-shaped units is multiple groups, and the two straight pipe sections 612 are respectively penetrated in a fin 620. Specifically, the two straight pipe sections 612 can be respectively penetrated in the same fin 620, and the two straight pipe sections 612 are in contact with the same fin 620 at the same time to improve the cooling effect. Alternatively, the two straight pipe sections 612 can be respectively penetrated in two different fins 620, which can better fix the two fins 620. The fins 620 are perpendicular to the straight pipe section 612, and a plurality of fins 620 are arranged at intervals along the length direction of the straight pipe section 612 to form a group of fin 620 units. The number of fin 620 units is multiple groups, and the multiple groups of fin 620 units are arranged along the arrangement direction of the straight pipe section 612, so that the multiple fins 620 can be arranged more evenly on the refrigerant pipe 610, and the cold of the refrigerant pipe 610 can be more effectively dissipated, thereby improving the cooling effect.
[0045] Specifically, refer to Figure 4 As shown, in some embodiments, for a single fin 620, the number of recesses 621 is two, one recess 621 is located at the upper part of the fin 620, and the other recess 621 is located at the lower part of the fin 620. Since the heating element 700 is installed in the recess 621, the upper and lower arrangement of the recesses 621 can increase the contact area between the heating element 700 and the fin 620, and the heating effect on the fin 620 is also more uniform. Specifically, the refrigerant pipe 610 is located between the above two recesses 621, and it can also be understood that the refrigerant pipe 610 is surrounded by the heating element 700, so that the heating effect of the heating element 700 on the refrigerant pipe 610 is more uniform, which is conducive to melting the frost on the refrigerant pipe 610. From the overall point of view, it can also be understood that the heating element 700 covers the upper and lower sides of the evaporator 600, and the heat of the heating element 700 can be more evenly conducted to the evaporator 600, thereby improving the defrosting effect.
[0046] It is understandable that, referring to Figure 4 As shown, in some embodiments, the recess 621 is located between two adjacent fins 620, and there is a gap between the two adjacent fins 620. Specifically, in the front-to-back direction, a notch is provided on the side where two adjacent fins 620 are close to each other, and the two notches are combined to form the above-mentioned recess 621. The recess 621 is formed by the notch of the two adjacent fins 620. Since there is a gap between the two adjacent fins 620, compared with providing a complete recess 621 on a single fin 620, this embodiment makes the fin 620 less dug out, and the surface area of the fin 620 is increased, which can enhance the heat conduction effect of the fin 620, and the fin 620 has a strong heat absorption effect, so as to achieve rapid cooling.
[0047] Reference Figure 3As shown, in some embodiments, the refrigerator 1000 is an air-cooled refrigerator 1000, the evaporator bin 230 is located at the lower side of the storage space 210, the refrigerator 1000 includes a drawer 300 and a fan 400, the drawer 300 is arranged in the storage space 210, the rear side of the storage space 210 is provided with an air duct 260 connected to the evaporator bin 230, the air duct 260 is provided with an air outlet 261 connected to the storage space 210, the fan 400 is arranged in the air duct 260, the fan 400 is used to blow out cold air, and the cold air flows out from the air outlet 261 and passes through the drawer 300, In order to achieve a refrigeration or freezing effect, the evaporator bin 230 is also provided with a return air port 232, and the return air port 232 is connected to the storage space 210. The return air port 232 is arranged at the top wall of the evaporator bin 230, and the return air port 232 is located on the side of the evaporator 600 close to the compressor bin 220. The cold air flowing out from the air outlet 261 of the air duct 260 passes through the storage space 210, and then enters the evaporator bin 230 from the return air port 232, and then the cold air passes through the evaporator 600 and returns to the air duct 260, forming a circulating flow loop. The specific flow direction can be referred to the direction of the arrow in the figure.
[0048] It should be noted that the space for storing things in the cabinet 100 of the refrigerator 1000 is collectively referred to as the storage space 210, that is, the storage space 210 may refer to a single chamber or the sum of multiple chambers. Figure 1 As shown, in some embodiments, the storage space 210 includes a refrigerating chamber 211, a temperature-changing chamber 212, and a freezing chamber 213 arranged from top to bottom. In this embodiment, the compressor compartment 220 and the evaporator compartment 230 are both located directly below the freezing chamber 213 to achieve a freezing effect. It should be noted that in some other embodiments, the storage space 210 may also include only the refrigerating chamber 211 and the freezing chamber 213, or only one of the refrigerating chamber 211, the temperature-changing chamber 212, and the freezing chamber 213. Specifically, refer to Figure 3 As shown, in some embodiments, the fan 400 is located on the side of the drawer 300 away from the door body 100, which can also be understood as the fan 400 is arranged at the back, the fan 400 is located at the back side of the drawer 300, and the fan 400 is located above the evaporator bin 230, which can reduce the space occupied by the evaporator bin 230, so that the position of the drawer 300 can be further down, thereby increasing the capacity of the drawer 300. The air outlet 261 is located above the fan 400, and the fan 400 can be a centrifugal fan, which can push the cold air flow upward to ensure smooth cold air circulation. At the same time, the air duct 260 is also arranged at the rear side of the drawer 300. The air duct 260 extends in the vertical direction, and the air outlet 261 is located above the drawer 300, so that the cold air flowing out of the air outlet 261 can directly enter the drawer 300 without being blocked by the drawer 300. At the same time, due to its low density, the cold air will naturally flow downward when passing through the drawer 300, thereby achieving a freezing effect on the items in the drawer 300.
[0049] Referring to the arrow direction shown in the figure, after the cold air flows out from the air outlet 261 on the rear side, it first reaches the upper position of the drawer 300, and then the cold air sinks into the drawer 300, contacts with the items in the drawer 300, and achieves a freezing effect. Specifically, the drawer 300 is provided with two, the drawer 300 located on the upper side is smaller in volume and can be used to hold smaller items, and the drawer 300 located on the lower side is larger in volume and can be used to hold larger items. It should be noted that for the drawer 300 on the lower side, when there are more items placed in the drawer 300, the cold air may be difficult to blow to the items piled at the bottom of the drawer 300. Based on this, in this embodiment, the return air port 232 is arranged below the drawer 300 on the lower side. When returning air, the cold air needs to flow through the lower side of the drawer 300 to reach the return air port 232. The cold air can continuously cool the bottom position of the drawer 300 on the lower side, thereby improving the freezing effect on the items at the bottom position of the drawer 300.
[0050] In some embodiments, when there are multiple drawers 300, multiple air outlets 261 can also be configured accordingly. The multiple drawers 300 are arranged in the up and down direction, and the multiple air outlets 261 are arranged one by one with the multiple drawers 300.
[0051] It should be noted that when the refrigerator 1000 is an air-cooled refrigerator 1000, it is necessary to consider how to reduce the resistance of the evaporator 600 to the airflow, and the defrosting water needs to be drained quickly during defrosting to prevent the defrosting water from freezing and blocking the airflow during subsequent refrigeration. In the above embodiment, the airflow in the evaporator bin 230 flows from front to back, and the fins 620 extend in the front-to-back direction to conform to the flow direction of the airflow, with less resistance to the airflow, which is conducive to the flow of the airflow. In addition, the contact area between the airflow and the fins 620 is large, which can quickly reduce the temperature of the airflow and improve the refrigeration effect.
[0052] In some embodiments, the evaporator 600 can be installed horizontally in the evaporator bin 230. Alternatively, the evaporator 600 can also be installed obliquely in the evaporator bin 230, so that when the refrigerator 1000 is in the defrosting mode, the defrosted water on the evaporator 600 can be gathered to one side of the evaporator bin 230 by gravity, and the defrosted water on the evaporator 600 is not easy to remain.
[0053] It can be understood that in some embodiments, a drain port 231 is provided on the side of the evaporator bin 230 close to the compressor bin 220, and the evaporator 600 is tilted, and the end of the evaporator 600 away from the compressor bin 220 is higher than the end of the evaporator 600 close to the compressor bin 220. During defrosting, the defrost water generated by the evaporator 600 will flow toward the drain port 231 under the action of gravity, and the defrost water can be quickly drained away to prevent the defrost water from freezing during subsequent refrigeration and hindering the air flow in the evaporator bin 230.
[0054] It is understandable that, in some embodiments, the refrigerator 1000 also includes a water receiving tray 500, which is located in the evaporator compartment 230, the water receiving tray 500 is located on the side of the evaporator 600 close to the compressor compartment 220, and the water receiving tray 500 is located below the evaporator 600. The water receiving tray 500 is used to receive the defrost water of the evaporator 600. When the evaporator 600 produces defrost water, due to the inclined setting of the evaporator 600 and the effect of gravity, the defrost water will gradually flow to the water receiving tray 500, and then gather in the water receiving tray 500, so that the defrost water is not easy to remain on the evaporator 600.
[0055] Reference Figure 3 As shown, in some embodiments, the drain outlet 231 is arranged at the junction of the front wall and the bottom wall of the evaporator bin 230. It can also be understood that the drain outlet 231 is located at the corner of the evaporator bin 230. Due to the effect of gravity, the defrost water will gather at the bottom of the evaporator bin 230. The drain outlet 231 is located relatively low, so the defrost water can be discharged smoothly, avoiding the accumulation of defrost water in the evaporator bin 230.
[0056] Specifically, the bottom wall and the front wall of the evaporator bin 230 are both inclined. When the evaporator 600 is placed on the bottom wall of the evaporator bin 230, the evaporator 600 is in an inclined state. The position of the evaporator 600 at the end away from the compressor bin 220 is higher, and the position of the end close to the compressor bin 220 is lower, so that the defrost water in the evaporator bin 230 can flow along the bottom wall or the front wall toward the drain port 231, and the defrost water can be discharged smoothly.
[0057] Reference Figure 3 As shown, specifically, the bottom wall of the evaporator bin 230 includes a first section 233 and a second section 234 that are connected to each other. The second section 234 is close to the compressor bin 220, and the first section 233 is far away from the compressor bin 220. The first section 233 is located at a rear position, and the second section 234 is located at a front position. The second section 234 intersects with the front wall. The inclination of the second section 234 is greater than that of the first section 233. The evaporator 600 is installed on the first section 233. The inclination of the first section 233 is small, which ensures the convenience of installing the evaporator 600. The drain port 231 is arranged at the second section 234. The inclination of the second section 234 is large, which is equivalent to forming a downwardly concave groove at the position of the second section 234. The groove can be understood as a water accumulation groove, which can play a role in gathering defrost water. The groove can also be used to place the above-mentioned water receiving tray 500, and the bottom wall of the water receiving tray 500 is in contact with the bottom wall of the groove. Specifically, referring to Figure 2As shown, the compressor bin 220 and the evaporator bin 230 are both located directly below the storage space 210, and the evaporator bin 230 is slightly higher than the compressor bin 220. It can also be understood that the distance between the evaporator bin 230 and the ground is greater than the distance between the compressor bin 220 and the ground, and the evaporator bin 230 is closer to the storage space 210 than the compressor bin 220. The evaporator bin 230 is located on the side of the compressor bin 220 away from the door body 100, and it can also be understood that the compressor bin 220 and the evaporator bin 230 are arranged one after the other, with the compressor bin 220 located at the front and the evaporator bin 230 located at the back. Such a configuration can shorten the distance from the evaporator bin 230 to the compressor bin 220 in the up and down directions, and the evaporator bin 230 is provided with a drain port 231 connected to the compressor bin 220, and the drain port 231 is located on the side of the evaporator bin 230 close to the compressor bin 220, which can shorten the distance from the drain port 231 to the evaporator bin 230 in the front and back directions, thereby shortening the flow path of the defrost water, which is beneficial for the defrost water to flow quickly from the drain port 231 to the evaporator bin 230, thereby improving the drainage effect and avoiding blockage.
[0058] It should be emphasized that the refrigerator 1000 of this embodiment mainly places the evaporator bin 230 at the bottom and the compressor bin 220 at the front, so that the evaporator bin 230 is closer to the compressor bin 220, shortens the drainage path, and does not need to raise the position of the evaporator bin 230. It can also ensure smooth drainage, increase the volume of the storage space 210, and improve the user experience. In addition, the refrigerator 1000 of this embodiment can be used in embedded installation scenarios, such as embedded installation in a cabinet. Since the compressor bin 220 is located in the front, the compressor 800 is located in a front position and will not be blocked by the cabinet, which can be more conducive to ventilation and heat dissipation. In addition, the after-sales maintenance operation of the compressor bin 220 is also more convenient. The maintenance personnel can disassemble the compressor bin 220 after opening the door body 100.
[0059] Reference Figure 2 As shown, in some embodiments, the refrigerator 1000 includes a drain pipe 900, which is located in the box 200. The drain pipe 900 is used to connect the drain port 231 with the compressor compartment 220, which can prevent the defrost water from contacting the box 200, prevent the box 200 from rusting, and also play a role in preventing water leakage. Specifically, the drain port of the water receiving tray 500 is connected to the compressor compartment 220 through the drain pipe 900. More specifically, the refrigerator 1000 includes a condenser and an evaporating dish, which are arranged in the compressor compartment 220. The condenser is located in the evaporating dish. The drain pipe 900 can drain the defrost water into the evaporating dish, and the heat of the condenser can evaporate the defrost water in the evaporating dish.
[0060] It needs to be explained that since the compressor 800 and the condenser will generate heat when working, the temperature of the air flow in the compressor compartment 220 is relatively high. The drain pipe 900 is connected to the compressor compartment 220. The high-temperature air flow in the compressor compartment 220 will enter the evaporator compartment 230 from the drain pipe 900. If the drain port 231 of the evaporator compartment 230 is relatively close to the fan 400, when the external high-temperature air flow passes through the drain port 231 and directly bypasses the evaporator 600 and passes through the fan 400, this part of the air flow is prone to ice or frost at the fan 400, which will hinder the rotation of the fan 400.
[0061] In order to avoid the above-mentioned undesirable phenomena such as ice or frost, the present embodiment sets the drain port 231 on the side of the evaporator bin 230 away from the fan 400, so that the drain port 231 is away from the fan 400. It should be noted that since the present embodiment places the evaporator bin 230 at the bottom, the compressor bin 220 at the front, and the fan 400 at the rear, the side of the evaporator bin 230 away from the fan 400 is just the side of the evaporator bin 230 close to the compressor bin 220. By reasonably arranging the spatial position, it is not necessary to raise the position of the evaporator bin 230, and smooth drainage can be achieved. Specifically, after the external air enters the drain port 231, it needs to pass through the evaporator 600 before reaching the position of the fan 400. Even if ice or frost occurs, it will only occur on the evaporator 600, which has little effect on the fan 400. The drain port 231 is far away from the fan 400 and is relatively close to the compressor compartment 220 , so that the distance from the drain port 231 to the compressor compartment 220 can be shortened, and the drainage path can be shortened, which is beneficial to draining the defrost water.
[0062] It is understandable that, referring to Figure 2 As shown, in some embodiments, the refrigerator 1000 also includes an evaporator cover 235, and the evaporator cover 235 is covered above the evaporator 600. The evaporator cover 235 is constructed as the top wall of the evaporator bin 230. The evaporator cover 235 is detachable. When the evaporator 600 needs to be maintained, the evaporator bin 230 can be opened by disassembling the evaporator cover 235, and the maintenance operation is more convenient.
[0063] Reference Figure 3As shown, in some embodiments, a barrier 236 is arranged between the evaporator cover 235 and the evaporator 600. The barrier 236 is located above the evaporator 600. The barrier 236 is used to block the airflow, making it difficult for the airflow to bypass the evaporator 600 from above the evaporator 600, and preventing the airflow flowing in from the return air port 232 from flowing out directly from the air outlet 261 without passing through the evaporator 600. The airflow is fully cooled by the evaporator 600 before flowing out from the air outlet 261, ensuring a better freezing effect. Specifically, the barrier 236 can be a foam part, which has a low cost and a light weight. The barrier 236 can be fixed together with the evaporator cover 235. After picking up the evaporator cover 235, the barrier 236 can be taken out together. In some embodiments, there can be a certain gap between the barrier 236 and the evaporator 600, so as to improve the fluidity of the airflow.
[0064] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0065] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0066] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0067] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. Refrigeration equipment, characterized in that include: The box body is provided with an evaporator bin; An evaporator is located in the evaporator bin, the evaporator is provided with a refrigerant tube and a fin, the refrigerant tube includes a straight tube section, the straight tube section is vertically passed through the fin, and the fin is placed on the bottom wall of the evaporator bin; A heating element connected to the fin, the heating element extending along the length direction of the straight tube section; Wherein, a concave portion is provided on one side of the fin close to the bottom wall, the heating element is installed in the concave portion, and there is a gap between the heating element and the bottom wall.
2. The refrigeration equipment according to claim 1, characterized in that: There are a plurality of the recesses, and the plurality of recesses are arranged at intervals along the length direction of the evaporator.
3. The refrigeration equipment according to claim 2, characterized in that: The recess is located between two adjacent fins.
4. The refrigeration equipment according to claim 1, characterized in that: The fin is provided with the complete recess.
5. The refrigeration equipment according to claim 1, characterized in that: The recessed portion is disposed on both the upper side and the lower side of the fin.
6. The refrigeration device according to claim 1, characterized in that: The minimum distance between the heating element and the outer edge of the fin is greater than or equal to 0.5 mm.
7. The refrigeration device according to claim 1, characterized in that: The evaporator bin is provided with a drain port, and the evaporator is provided with a plurality of the heating elements arranged at intervals, and along the direction of the evaporator approaching the drain port, the minimum distances from the plurality of the heating elements to the outer edges of the fins gradually increase.
8. The refrigeration device according to claim 7, characterized in that: The bottom wall is arranged obliquely, and a side of the bottom wall close to the drain outlet is lower than a side of the bottom wall far from the drain outlet.
9. The refrigeration device according to claim 1, characterized in that: The evaporator bin is provided with a return air port, and a plurality of the heating elements are arranged at intervals on the evaporator. The arrangement density of the plurality of heating elements is constructed such that the density on the side close to the return air port is greater than the density on the side away from the return air port.
10. The refrigeration device according to claim 9, characterized in that: The spacing between adjacent heating elements in the distribution structure of the evaporator is smaller on the side close to the return air inlet than on the side away from the return air inlet; and / or, the evaporator is arranged with multiple layers of the heating elements, and the number of layers on the side close to the return air inlet is greater than the number of layers on the side away from the return air inlet.