CN209893753U - Refrigerator with heating wire arranged in middle of evaporator - Google Patents

Abstract

The utility model provides a refrigerator, include: the refrigerator comprises a refrigerator body, a cabinet body and a refrigerator door, wherein a cooling chamber and at least one storage space are defined in the refrigerator body, and the cooling chamber is arranged at the bottom of the refrigerator body and is positioned right below the storage space; the evaporator is arranged in the cooling chamber, is configured to provide cold energy for the storage space, and comprises a plurality of fins arranged in parallel and a coil pipe penetrating through the fins, wherein an upper coil pipe area, a middle coil pipe area and a lower coil pipe area are formed in the coil pipe along the vertical direction; and the first heating wire penetrates through the fins corresponding to the middle coil area and is configured to provide heat required by defrosting to the evaporator. The utility model discloses a refrigerator is owing to put at the bottom of the evaporimeter, has increased the effective volume of room between, and the fin that the middle part coil area corresponds is worn to locate by first heater strip simultaneously, consequently can the heat of the first heater strip of make full use of, makes the evaporimeter change the frost simultaneously from top to bottom for change the frost rate.

Description

Refrigerator with heating wire arranged in middle of evaporator

Technical Field

The utility model relates to a cold-stored refrigeration technical field especially relates to a refrigerator.

Background

For a common air-cooled refrigerator, a defrosting heating wire can be used for carrying out automatic defrosting according to a certain program, the defect of manual defrosting of a direct-cooled refrigerator is overcome, but the heating wire of the conventional air-cooled refrigerator is usually arranged at the bottom of an evaporator, and the design mode has certain defects that firstly, the evaporator can only utilize the heat at the upper part of the heating wire, and the heat at the lower part cannot be fully utilized; secondly, the upper part of the evaporator is far away from the heating wire, so that the defrosting is slow; thirdly, the ice blocks gathered near the drain holes after falling off from the evaporator are slowly melted, the drain holes are easily blocked with ice along with the increase of the service time, and the evaporator is blocked with ice and can not be refrigerated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim is to improve the heat utilization ratio of heater strip for the speed of defrosting.

The utility model discloses a further purpose avoids the outlet of water collector to appear ice stifled.

Particularly, the utility model provides a refrigerator, include:

the refrigerator comprises a refrigerator body, a door body and a door body, wherein a cooling chamber and at least one storage space are defined in the refrigerator body;

the evaporator is arranged in the cooling chamber, is configured to provide cold energy for the storage space, and comprises a plurality of fins arranged in parallel and coil pipes penetrating through the fins, wherein an upper coil pipe area, a middle coil pipe area and a lower coil pipe area are formed in the coil pipes in the vertical direction; and

and the first heating wire penetrates through the position corresponding to the middle coil area of the fin and is configured to provide heat required by defrosting for the evaporator.

Optionally, the refrigerator further comprises: the defrosting water receiving tray is provided with a water outlet, is arranged below the evaporator and is configured to receive defrosting water generated when the evaporator defrosts; and the second heating wire is arranged between the evaporator and the water receiving disc and used for melting ice blocks falling from the evaporator.

Optionally, the second heating wire has a first end, a body portion and a second end arranged in sequence; the first end and the second end are respectively connected to the coil pipe; the body part is fixed on the water receiving tray.

Optionally, the first and second ends are each connected to the lowermost coil of the lower coil section.

Optionally, the first end and the second end are respectively in the shape of a hook at the tail end thereof, and are hung and fixed on the coil pipe positioned at the bottommost layer.

Optionally, the water receiving tray is provided with a first inclined surface and a second inclined surface, and the water discharge port is positioned at the bottom of the intersection of the first inclined surface and the second inclined surface; the body part comprises a first inclined part, a horizontal part and a second inclined part which are sequentially arranged, the first inclined part is attached to the first inclined surface, the second inclined part is attached to the second inclined surface, and the horizontal part is suspended in the water outlet.

Optionally, the body part is attached with an aluminum foil, and the body part is fixed to the water pan through the aluminum foil.

Optionally, a plurality of buckles are arranged on the water pan; the body part is fixed on the water receiving tray through a plurality of buckles.

Optionally, the refrigerator further comprises: and the controller is arranged in the box body and is configured to control the first heating wire to be opened for a preset time period and then to open the second heating wire.

Optionally, the evaporator is in a flat cuboid shape and is transversely arranged above the water pan.

The utility model discloses a refrigerator is owing to put at the bottom of the evaporimeter, has increased the effective volume of room between, and the middle part coil area of fin is worn to locate by first heater strip simultaneously corresponds the department, consequently can the heat of the first heater strip of make full use of, makes the evaporimeter change the frost simultaneously from top to bottom for change the frost rate.

Further, the utility model discloses a refrigerator is owing to set up the second heater strip and melt the ice-cube that the evaporimeter dropped between evaporimeter and water collector, can avoid the outlet to appear ice stifled.

Further, the utility model discloses a controller of refrigerator is configured to control first heater strip and opens the second heater strip after presetting the time quantum, and this kind of delay control mode can be clean with frosting, can reduce power consumption again.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic cross-sectional view of a refrigerator according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the evaporator and the drip tray of the refrigerator shown in fig. 1 in cooperation.

Fig. 3 is an enlarged, fragmentary schematic view of the evaporator and drip tray of fig. 2 in mating relationship.

Fig. 4 is a schematic front view of the evaporator and drip tray of the refrigerator shown in fig. 1 in cooperation.

Fig. 5 is an enlarged, fragmentary schematic view of the evaporator and drip tray of fig. 4 in mating relationship.

Fig. 6 is a schematic cross-sectional view of the evaporator and drip tray of the refrigerator shown in fig. 1 in cooperation.

Fig. 7 is an enlarged, fragmentary schematic view of the evaporator and drip tray of fig. 6 in mating relationship.

Fig. 8 is a schematic side view of the evaporator and drip tray of the refrigerator shown in fig. 1 in cooperation.

Fig. 9 is another schematic cross-sectional view of the evaporator and drip tray of the refrigerator shown in fig. 1 mated together.

Fig. 10 is a schematic bottom view of the refrigerator shown in fig. 1.

Detailed Description

Fig. 1 is a schematic cross-sectional view of a refrigerator 100 according to an embodiment of the present invention. In the following description, the orientation or positional relationship indicated by "front", "rear", "upper", "lower", "left", "right", etc. is an orientation based on the refrigerator 100 itself as a reference, and "front", "rear" is a direction as indicated in fig. 1.

The refrigerator 100 of the embodiment of the present invention may generally include a cabinet 110. The box body 110 includes a housing and a storage container disposed inside the housing, and a space between the housing and the storage container is filled with a thermal insulation material (forming a foaming layer), and the storage container is defined therein with a storage compartment. In one embodiment, the storage compartment comprises: the refrigerating compartment 120, the variable temperature compartment 130, and the freezing compartment 140 have a cooling chamber 150 formed below the inside of the casing 110.

A first swing door 160 is provided at a front side of the refrigerating compartment 120 to open or close the refrigerating compartment 120. A plurality of partitions 121 are provided inside the refrigerating compartment 120 to divide a refrigerating storage space into several parts, and a refrigerating drawer 122 is further provided below the lowermost partition 121. A refrigerating air supply duct 123 is formed at the rear wall of the refrigerating compartment 120. The refrigerating air supply duct 123 has a refrigerating air supply opening communicating with the refrigerating compartment 120, and a refrigerating evaporator 125 and a refrigerating air supply fan 124 are provided in the refrigerating air supply duct 123.

A temperature change drawer 131 is arranged in the temperature change chamber 130. A variable temperature air supply duct 132 is formed at the rear wall of the variable temperature chamber 130. The variable temperature air supply duct 132 is communicated with the freezing air supply duct 143, and a variable temperature damper 133 is provided therebetween. The variable temperature damper 133 is opened at an angle when the cooling air flow needs to be sent into the variable temperature compartment 130.

The front side of the freezing compartment 140 is provided with a second rotary door 180, and a first freezing drawer 141 and a second freezing drawer 142 are defined in the second rotary door from top to bottom. A freezing air duct 143 is formed at a rear wall of the freezing compartment 140. The freezing air blowing duct 143 has a plurality of freezing air blowing ports 144 communicating with the freezing compartment 140, and a freezing air blowing fan 145 is provided in the freezing air blowing duct 143.

As is well known to those skilled in the art, the temperature of the refrigerated compartment 120 is typically between 2 ℃ and 10 ℃, preferably between 4 ℃ and 7 ℃. The temperature of the freezer compartment 140 is typically in the range of-22 deg.C to-14 deg.C. The temperature-changing chamber 130 can be adjusted to-18 ℃ to 8 ℃ at will. The optimum storage temperatures for different types of items are different and the locations suitable for storage are different, for example, fruit and vegetable food is suitable for storage in the cold compartment 120 and meat food is suitable for storage in the cold compartment 140.

A plurality of refrigerating return air inlets 151 communicating with the refrigerating compartment 140 are opened in the front side of the cooling compartment 150. A refrigeration evaporator 200 is disposed within the cooling chamber 150 and is configured to cool the airflow entering the cooling chamber 150. The refrigerator 100 of this embodiment is through the below at the storing room limited cooling chamber 150 for the cooling chamber 150 occupies the lower part space of box 110, has raised the height of freezing room 140, reduces the degree of bowing that the user got when putting article operation to freezing room 140, promotes user's use experience. Moreover, the cooling chamber 150 can provide a yield for the press cabin 500, and the freezing chamber 140 does not need to provide a yield for the press cabin 500 any more, so that the problem that the freezing chamber 140 is irregular due to the fact that the freezing chamber 140 needs to provide a yield for the press cabin 500 in the existing scheme is solved, and the depth and the storage volume of the freezing chamber 140 can be guaranteed.

Fig. 2 is a schematic perspective view of the evaporator 200 and the drip tray 300 of the refrigerator 100 shown in fig. 1 in cooperation. Fig. 3 is an enlarged, fragmentary schematic view of the evaporator 200 and drip tray 300 of fig. 2 in cooperation. Fig. 4 is a schematic front view of the evaporator 200 and the drip tray 300 of the refrigerator 100 shown in fig. 1 in cooperation. Fig. 5 is an enlarged partial schematic view of the evaporator 200 and drip tray 300 of fig. 4 in cooperation. Fig. 6 is a schematic cross-sectional view of the evaporator 200 and the drip tray 300 of the refrigerator 100 shown in fig. 1 in cooperation. Fig. 7 is an enlarged, fragmentary schematic view of the evaporator 200 and drip tray 300 of fig. 6 in cooperation. Fig. 8 is a schematic side view of the evaporator 200 and the drip tray 300 of the refrigerator 100 shown in fig. 1 in cooperation. Fig. 9 is another schematic cross-sectional view of the evaporator 200 and the drip tray 300 of the refrigerator 100 shown in fig. 1 in cooperation. A water receiving tray 300 is provided below the refrigeration evaporator 200 in the cooling chamber 150. Drain pan 300 has first inclined surface 301, second inclined surface 302, and drain opening 303. The freezing evaporator 200 is a flat cube and is horizontally arranged above the water pan 300. The freezing evaporator 200 includes a plurality of fins 202 arranged in parallel and a coil 201 penetrating the fins 202, wherein the coil 201 is formed with an upper coil 211, a middle coil 212 and a lower coil 213 in a vertical direction. A first heating wire 600 is further arranged near the position corresponding to the middle-layer coil 212 of the fin 202. The first heating wire 600 is configured to provide the refrigeration evaporator 200 with heat required for defrosting, and the heat of the first heating wire 600 can be fully utilized, so that the refrigeration evaporator 200 can be defrosted up and down at the same time, and the defrosting speed is increased.

The second heater wire 700 is disposed between the freezing evaporator 200 and the water receiving tray 300, for melting ice cubes falling from the freezing evaporator 200, and has a first end 701, a body portion, and a second end 702 which are sequentially disposed. The first and second ends 701 and 702 are each connected to the lower coil 213. In one embodiment, the first end 701 and the second end 702 are each in the shape of a hook at their ends and are attached to the lower coil 213. The main body includes a first inclined portion 703, a horizontal portion 705 and a second inclined portion 704, which are sequentially disposed, the first inclined portion 703 is disposed adjacent to the first inclined portion 301, the second inclined portion 704 is disposed adjacent to the second inclined portion 302, and the horizontal portion 705 is disposed in the air in the drain port 303. In one embodiment, an aluminum foil (not shown) is attached to the body portion, and the body portion is fixed to the water pan 300 through the aluminum foil. In another embodiment, the water receiving tray 300 is provided with a plurality of fasteners (not shown), and the body portion is fixed to the water receiving tray 300 by the plurality of fasteners.

The embodiment of the utility model provides a refrigerator 100 still includes: and a controller (not shown) disposed in the case 110 and configured to control the first heating wire 600 to be turned on for a predetermined period of time and then turn on the second heating wire 700. The utility model discloses a second heater strip 700 is opened again after the controller of refrigerator 100 is configured to control first heater strip 600 to open the predetermined time quantum, and this kind of delay control mode can be clean with frosting, can reduce power consumption again.

Fig. 10 is a schematic bottom view of the refrigerator shown in fig. 1. The utility model discloses refrigerator 100's box 110 bottom is injectd and is pressed cabin 500, and presses cabin 500 to be located cooling chamber 150's rear for press cabin 500 wholly is in the below of freezing compartment 140, as before, and freezing compartment 140 need not let for press cabin 500 again, has guaranteed freezing compartment 140's the depth, is convenient for place the great difficult article of cutting apart of volume. The refrigerator 100 further includes a heat dissipation fan. The heat dissipation fan may be an axial flow fan. The compressor, the cooling fan and the condenser are sequentially arranged in the press cabin 500 at intervals in the transverse direction. The bottom wall 501 of the housing 110 defines a bottom intake opening 502 corresponding to the condenser and a bottom outlet opening 503 corresponding to the compressor in a transverse arrangement. The heat rejection blower is configured to draw ambient air from the ambient environment at the bottom inlet 502 and force the air to flow through the condenser, then through the compressor, and then from the bottom outlet 503 to the ambient environment, thereby dissipating heat from the condenser and the compressor. In the vapor compression refrigeration cycle, the surface temperature of the condenser is generally lower than that of the compressor, so in the above process, the outside air is first used to cool the condenser and then the compressor.

The utility model discloses refrigerator 100 can carry out embedded arranging for embedded cupboard, in order to reduce the shared space of refrigerator 100. In order to improve the overall aesthetic measure of the refrigerator 100 and reduce the space occupied by the refrigerator 100, the reserved space between the rear wall of the refrigerator 100 and the cabinet is small, which results in low heat dissipation efficiency of the front and rear air inlet and outlet modes adopted in the prior art, and if the heat dissipation is ensured, the distance between the wall of the refrigerator 100 and the cabinet must be increased, but the space occupied by the refrigerator 100 is increased. In the refrigerator 100 of the embodiment, the bottom air inlet 502 and the bottom air outlet 503 which are transversely arranged are defined on the bottom wall 501 of the refrigerator body 110, and the heat dissipation airflow completes circulation at the bottom of the refrigerator 100, so that the space between the refrigerator 100 and the supporting surface is fully utilized, the distance between the rear wall of the refrigerator 100 and the cabinet does not need to be increased, the space occupied by the refrigerator 100 is reduced, and the heat dissipation efficiency is improved. The four corners of the bottom wall 501 of the box 110 may be provided with support rollers (not shown), and the box 110 is placed on a support surface by the four support rollers, so that a certain space is formed between the bottom wall 501 of the box 110 and the support surface.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A refrigerator, characterized by comprising:

the refrigerator comprises a refrigerator body, a cabinet body and a refrigerator door, wherein a cooling chamber and at least one storage space are defined in the refrigerator body, and the cooling chamber is arranged at the bottom of the refrigerator body and is positioned right below the storage space;

the evaporator is arranged in the cooling chamber, is configured to provide cold energy for the storage space, and comprises a plurality of fins arranged in parallel and a coil pipe penetrating through the fins, wherein an upper coil pipe area, a middle coil pipe area and a lower coil pipe area are formed in the coil pipe along the vertical direction; and

and the first heating wire penetrates through the position corresponding to the middle coil area of the fin and is configured to provide heat required by defrosting to the evaporator.

2. The refrigerator according to claim 1, further comprising:

the water receiving tray is provided with a water outlet, is arranged below the evaporator and is configured to receive defrosting water generated when the evaporator defrosts; and

and the second heating wire is arranged between the evaporator and the water receiving disc and used for melting ice cubes falling from the evaporator.

3. The refrigerator according to claim 2,

the second heating wire is provided with a first end, a body part and a second end which are arranged in sequence;

the first and second ends are connected to the coil respectively;

the body part is fixed on the water pan.

4. The refrigerator according to claim 3,

the first end and the second end are respectively connected with the coil pipe positioned at the bottommost layer in the lower coil pipe area.

5. The refrigerator according to claim 4,

the first end and the second end are respectively in the shape of a hook at the tail ends and are hung and fixed on the coil pipe positioned at the bottommost layer.

6. The refrigerator according to claim 4,

the water receiving tray is provided with a first inclined surface and a second inclined surface, and the water outlet is positioned at the bottom of the intersection of the first inclined surface and the second inclined surface;

the body part comprises a first inclined part, a horizontal part and a second inclined part which are sequentially arranged, the first inclined part is arranged by being attached to the first inclined part, the second inclined part is arranged by being attached to the second inclined part, and the horizontal part is suspended in the water outlet.

7. The refrigerator according to claim 6,

the body part is attached with an aluminum foil, and the body part is fixed on the water pan through the aluminum foil.

8. The refrigerator according to claim 6,

a plurality of buckles are arranged on the water pan;

the body part is fixed on the water pan through the plurality of buckles.

9. The refrigerator of claim 2, further comprising:

and the controller is arranged in the box body and is configured to control the first heating wire to be opened for a preset time period and then to be opened again.

10. The refrigerator according to claim 2,

the evaporator is integrally flat and cubic and is transversely arranged above the water pan.

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