CN211372860U - Air-cooled refrigerator - Google Patents

Abstract

The utility model provides an air-cooled refrigerator. The air-cooled refrigerator comprises a refrigerator body, an air duct cover plate and a heating unit. The box body is limited with a storage chamber, and the storage chamber is divided into a heating area and at least one storage area. The air duct cover plate is arranged in the storage chamber and forms a chamber air duct together with the vertical side wall of the storage chamber. The heating unit comprises a cylinder body which is arranged in the heating area and used for placing the object to be treated. Wherein, the wind channel apron is seted up at least one supply-air outlet and a return air inlet that the interval set up, and at least one supply-air outlet and/or return air inlet set up in the zone of heating to utilize the original refrigerating system of refrigerator to come the barrel heat dissipation, simple structure not only has reduced manufacturing cost, still has higher barrel radiating efficiency, has avoided gathering the inhomogeneous condition of temperature of the pending thing in the barrel because of the heat and has taken place, has improved user experience.

Description

Air-cooled refrigerator

Technical Field

The utility model relates to a cold-stored freezing field especially relates to an air-cooled refrigerator with heating unit.

Background

During the freezing process, the quality of the food is maintained, however, the frozen food needs to be heated before processing or eating. In order to facilitate a user to freeze and heat food, the related art generally defrosts food by providing an electromagnetic wave heating unit in a refrigerator.

However, the electromagnetic wave generating system of the heating unit can generate more heat in the working process, which not only causes the temperature fluctuation of the storage chamber and influences the preservation quality of food materials in the storage chamber, but also can reduce the working efficiency of the electromagnetic wave generating system, and can seriously reduce the service life of electric devices if the electromagnetic wave generating system is in a high-temperature state for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome at least one technical defect of prior art, provide an air-cooled refrigerator with heating element.

A further object of the present invention is to reduce the effect of heating on the temperature of the storage area.

The utility model discloses another further purpose improves the temperature homogeneity of pending thing.

Particularly, the utility model provides an air-cooled refrigerator, a serial communication port, include:

the refrigerator comprises a box body, a heating device and a storage device, wherein the box body is limited with a storage chamber, and the storage chamber is divided into a heating area and at least one storage area;

the air channel cover plate is arranged in the storage chamber and forms a chamber air channel together with the vertical side wall of the storage chamber; and

the heating unit comprises a cylinder body which is arranged in the heating area and used for placing an object to be treated; wherein

The air duct cover plate is provided with at least one air supply outlet and one air return inlet which are arranged at intervals; and is

At least one air supply outlet and/or the air return inlet are/is arranged in the heating area.

Optionally, one of the supply air outlet and the return air inlet is arranged in the heating area; and is

And the heating device of the heating unit is at least partially arranged on a return air path from the at least one air supply outlet to the return air inlet.

Optionally, at least one of the air supply outlets is arranged in the heating area, and the air return outlet is arranged in one of the storage areas; and is

And the heating device of the heating unit is at least partially arranged on an air supply path from the air supply outlet to the air return inlet.

Optionally, the air-cooled refrigerator further comprises:

the evaporator and the fan are arranged in the compartment air duct and are configured to be started or maintained in a working state when the heating unit works; and is

And the air supply outlet for supplying air to the heating area is configured to be communicated with the air return inlet when the heating unit works.

Optionally, the fan is configured to operate at a preset first rotation speed when the temperature of one of the storage areas is greater than or equal to a preset refrigeration temperature, and operate at a preset second rotation speed when the temperature of each of the storage areas is less than the refrigeration temperature and the heating unit operates; wherein

The first rotational speed is greater than the second rotational speed.

Optionally, the at least one air supply outlet is respectively arranged in the at least one storage area, and the air return outlet is arranged in the heating area; and is

And the heating device of the heating unit is at least partially arranged on a return air path from the at least one air supply outlet to the return air inlet.

Optionally, the heating unit further comprises:

an electromagnetic wave generating system, at least a part of which is arranged in the cylinder body, for generating electromagnetic waves in the cylinder body to heat the object to be processed; and is

The barrel is formed with a heat dissipation air duct, and the part is arranged in the heat dissipation air duct.

Optionally, the electromagnetic wave generating system comprises:

an electromagnetic wave generation module configured to generate an electromagnetic wave signal; and

and the radiation antenna is arranged in the heat dissipation air duct and is electrically connected with the electromagnetic wave generation module so as to generate electromagnetic waves with corresponding frequencies according to the electromagnetic wave signals.

Optionally, the electromagnetic wave generation system further includes:

and the signal processing and measuring and controlling circuit is arranged in the heat dissipation air duct and is positioned at the downstream of the radiation antenna.

Optionally, the barrel is made of metal; and/or

And the air inlet and the air outlet of the heat dissipation air duct are respectively provided with a metal net.

The utility model discloses an air-cooled refrigerator sets up at least one supply-air outlet and/or return air inlet in the zone of heating at barrel place with the compartment wind channel, utilizes the original refrigerating system of refrigerator to come for the barrel heat dissipation, and not only simple structure has reduced manufacturing cost, still has higher barrel radiating efficiency, has avoided gathering the inhomogeneous condition of temperature of pending thing in the barrel because of the heat and has taken place, has improved user experience.

Further, the utility model discloses on the return air route with heating element's heating element part setting at least one supply-air outlet to return air inlet, avoided the heat that the heating produced to the temperature interference in storing district, guaranteed the quality of preserving of eating the material in the storing district, moreover especially, refrigerating system is to any one storing district refrigerated while supplying air, and the homoenergetic is dispelled the heat to heating element of heating element, has improved the utilization ratio of cold volume to heating element's radiating efficiency has further been improved.

Further, the utility model discloses with radiation antenna and signal processing and measurement and control circuit setting in the heat dissipation wind channel of barrel to with signal processing and measurement and control circuit setting in radiation antenna's low reaches, improved radiation antenna's radiating efficiency, and then reduced radiation antenna and treated the thermal radiation of thing, improved the temperature homogeneity of treated the thing effectively, avoided the emergence of local overheat phenomenon.

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 an air-cooled refrigerator according to an embodiment of the present invention, showing a flow path of a cold airflow for cooling a storage area;

FIG. 2 is a schematic cross-sectional view of the air-cooled refrigerator of FIG. 1 illustrating a flow path of a cold airflow for dissipating heat from a heating zone;

fig. 3 is a schematic cross-sectional view of an air-cooled refrigerator according to an embodiment of the present invention, showing a flow path of a cold airflow for cooling a storage area;

FIG. 4 is a schematic cross-sectional view of the air-cooled refrigerator of FIG. 3 showing a flow path of a cool airflow for dissipating heat from a heating zone;

fig. 5 is a schematic cross-sectional view of a compartment duct according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a heating unit according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of the heating unit shown in fig. 6.

Detailed Description

Fig. 1 is a schematic cross-sectional view of an air-cooled refrigerator 100 according to an embodiment of the present invention, showing a flow path of a cold airflow for cooling a storage area 112; fig. 2 is a schematic cross-sectional view of the air-cooled refrigerator 100 shown in fig. 1, illustrating a flow path of a cool airflow for dissipating heat from the heating region 111. Referring to fig. 1 and 2, the air-cooled refrigerator 100 may include a cabinet 110, a refrigeration system, an air duct cover 150, and a heating unit 200.

The housing 110 may define a storage compartment. One box door can be arranged at the front opening of the storage chamber and used for opening and closing the storage chamber.

The refrigeration system may be a vapor compression refrigeration system including a compressor, a condenser, a throttling element, an evaporator 120, and a supply fan 130.

The air duct cover plate 150 may be disposed in the storage compartment and form a compartment air duct together with the vertical sidewall of the storage compartment. The evaporator 120 and the blower fan 130 may be disposed in the compartment air duct. The air duct cover 150 may be provided with at least one air supply outlet 151 and one air return outlet 152 disposed at an interval to deliver cold energy to the storage compartment.

In the present invention, at least one of the plurality of the first and second electrodes is one, two, or more than two. The vertical sidewall may be a rearward sidewall or a lateral sidewall. In the illustrated embodiment, the duct cover 150 is sandwiched with the rearward facing sidewall of the storage compartment to form a compartment duct.

At least one partition 140 extending horizontally may be further provided in the storage compartment to divide the storage compartment into a heating zone 111 and at least one storage zone 112.

The heating unit 200 may include a cylinder 210 for placing an object to be processed and having a pick-and-place port formed therein, and a door for opening and closing the pick-and-place port. Wherein, the cylinder 210 can be disposed in the heating area 111.

In particular, at least one air supply outlet 151 and/or air return outlet 152 may be provided to the heating zone 111. That is, the compartment duct is configured to blow an air flow toward the heating area 111, and/or air in the storage compartment is returned to the compartment duct to pass through the heating area 111 first.

The utility model discloses an air-cooled refrigerator 100 sets up at least one supply-air outlet 151 and/or return air inlet 152 in the zone of heating 111 at barrel 210 place in the room wind channel, utilizes the original refrigerating system of refrigerator 100 to come for barrel 210 heat dissipation, simple structure not only has reduced manufacturing cost, still has higher barrel 210 radiating efficiency, has avoided gathering the inhomogeneous condition of temperature of pending thing in barrel 210 because of the heat and has taken place, has improved user experience.

In some embodiments, one supply air outlet 151 and return air outlet 152 may be provided to the heating zone 111. The heating device of the heating unit 200 can be at least partially disposed on the return air path from the at least one air supply outlet 151 to the return air inlet 152, so as to avoid the heat generated by heating from interfering with the preservation temperature of the storage area 112, ensure the preservation quality of the food materials in the storage area 112, and independently dissipate the heat of the heating area 111, thereby improving the heat dissipation efficiency of the heating device. In the present invention, the return air path from the at least one air supply opening 151 to the return air opening 152 is the overlapping portion of the air flow path from each air supply opening 151 to the return air opening 152.

In other embodiments, at least one supply outlet 151 may be disposed in at least one storage area 112, and a return outlet 152 may be disposed in the heating area 111. The heating device of the heating unit 200 can be at least partially arranged on the return air path from the air supply outlet 151 to the return air inlet 152, so that the heat generated by heating is prevented from interfering with the preservation temperature of the storage area 112, the preservation quality of food materials in the storage area 112 is ensured, and when the refrigerating system supplies air to any storage area 112 for refrigeration, the heating device of the heating unit 200 can be cooled, and the utilization rate of cold energy is improved.

Fig. 3 is a schematic cross-sectional view of an air-cooled refrigerator 100 according to an embodiment of the present invention, showing a flow path of a cold airflow for cooling a storage area 112; fig. 4 is a schematic cross-sectional view of the air-cooled refrigerator 100 shown in fig. 3, illustrating a flow path of a cool airflow for dissipating heat from the heating region 111. Referring to fig. 3 and 4, in still other embodiments, at least one supply air outlet 151 may be disposed in the heating zone 111, and an air return outlet 152 may be disposed in one of the storage zones 112. The heat generating device of the heating unit 200 may be at least partially disposed on an air supply path from the air supply outlet 151 to the air return outlet 152 in the heating area 111 to independently dissipate heat from the heating area 111, thereby improving heat dissipation efficiency of the heat generating device.

In some further embodiments, the heating unit 200 may further include a cover 230 to divide the inner space of the cylinder 210 into the heating chamber 211 and the heat dissipation duct 212. The heat generating device of the heating unit 200 may be at least partially disposed within the heat dissipation air duct 212.

The heat dissipating air duct 212 may be disposed at a lower portion of the barrel 210 to improve stability of the heat generating device and facilitate a user to put a proper size of the object to be processed into the heating chamber 211.

In still further embodiments, the heat generating device of the heating unit 200 may be disposed at an upper portion, a lower portion of the drum 210, or within the door body.

In the embodiment in which the air return opening 152 is disposed in the heating area 111, the heating area 111 may be disposed below the storage areas 112, that is, the air return opening 152 is disposed below the storage areas 112, so as to improve the cooling efficiency of the storage areas 112 and accurately cool each storage area 112 independently.

In embodiments where the supply air outlet 151 is disposed within the heating zone 111, the heating chamber 211 may be vented to receive a flow of cool air from the supply air outlet 151. For example, in the embodiment where the heat generating device is disposed on the blowing path, the number of the blowing openings 151 in the heating area 111 may be two, and the cold air flows are blown to the heating chamber 211 and the heat generating device, respectively.

When the temperature of the object to be processed or the time for heating the object to be processed is equal to or greater than the preset threshold, the air blowing port 151 blowing the cold air flow to the heating chamber 211 may be configured to communicate with the air return port 152, so as to avoid overheating of the outside of the object to be processed and improve the temperature uniformity of the object to be processed.

The evaporator 120 and the fan 130 may be configured to be activated or maintained in an operating state while the heating unit 200 is operated. The air supply outlet 151 supplying air to the heating zone 111 may be configured to communicate with the return air inlet 152 when the heating unit 200 is operated.

In some further embodiments, the supply fan 130 may be configured to operate at a predetermined first rotational speed when there is one of the storage areas 112 having a temperature equal to or greater than a predetermined cooling temperature, and to operate at a predetermined second rotational speed when each of the storage areas 112 has a temperature less than the cooling temperature and the heating unit 200 is operated. Wherein the first rotational speed is greater than the second rotational speed. For example, the first rotational speed may be a rated rotational speed of the fan 130, and the second rotational speed may be 50-70% of the rated rotational speed of the fan 130.

Fig. 5 is a schematic cross-sectional view of a compartment duct according to an embodiment of the present invention. Referring to fig. 5, in some embodiments, the air duct cover plate 150 may be sandwiched with the sidewall of the storage compartment to form an air return portion of the compartment air duct, and the evaporator 120 may be disposed at the air return portion. The air duct cover 150 may be formed with at least one air supply part of the compartment air duct, and each air supply part may be provided with at least one air supply outlet 151 and one air inlet.

The supply fan 130 may be disposed downstream of the evaporator 120, including a volute and an impeller disposed within the volute. The spiral case is rotatably disposed and an air outlet thereof is abutted to an air inlet of an air supply part, so that the cold air cooled by the evaporator 120 is delivered to the air supply part and blown out by an air supply outlet 151 of the air supply part.

In other embodiments, the duct cover 150 may be sandwiched with the sidewalls of the storage compartment to form a compartment duct. At least one of the supply air ports 151 may be provided with a damper, respectively, to be in controlled communication with the return air port 152.

Fig. 6 is a schematic structural view of a heating unit 200 according to an embodiment of the present invention. Referring to fig. 6, in some embodiments, the heating unit 200 may further include an electromagnetic wave generation system. The electromagnetic wave generating system may be at least partially disposed in the cylinder 210 or reach the cylinder 210 to generate electromagnetic waves in the cylinder 210 to heat the object to be processed. That is, in this embodiment, the heat generating device of the heating unit 200 is an electromagnetic wave generating system.

The cylinder 210 and the door body can be respectively provided with electromagnetic shielding characteristics, so that the door body is in conductive connection with the cylinder 210 in a closed state, and electromagnetic leakage is prevented.

In some embodiments, the electromagnetic wave generation system may include an electromagnetic wave generation module 261, a power supply module 262, and a radiation antenna 250.

The electromagnetic wave generation module 261 may be configured to generate an electromagnetic wave signal. The power supply module 262 may be disposed to be electrically connected to the electromagnetic wave generation module 261 to supply power to the electromagnetic wave generation module 261, so that the electromagnetic wave generation module 261 generates an electromagnetic wave signal.

The radiation antenna 250 may be disposed in the cylinder 210 and electrically connected to the electromagnetic wave generating module 261 to generate electromagnetic waves with corresponding frequencies according to the electromagnetic wave signals to heat the object to be processed in the cylinder 210.

In some further embodiments, the cylinder 210 may be made of metal to act as a receiver for the radiating antenna 250. In this embodiment, the barrel 210 itself is the electromagnetic shielding feature of the barrel 210.

In still further embodiments, the electromagnetic wave generation system further includes a receiving plate disposed opposite the radiation antenna 250 and electrically connected to the electromagnetic wave generation module 261. In this embodiment, the inner wall of the cylinder 210 may be coated with a metal coating or attached with a metal mesh or the like as an electromagnetic shielding feature of the cylinder 210.

In some further embodiments, the electromagnetic wave generation system may further include a signal processing and measurement and control circuit 270. Specifically, the signal processing and measurement and control circuit 270 may include a control unit 271, a matching unit 272, and a detection unit 273.

The matching unit 272 may be connected in series between the electromagnetic wave generating module 261 and the radiation antenna 250, and is configured to adjust a load impedance of the electromagnetic wave generating module 261 by adjusting its own impedance, and improve a load matching degree of the electromagnetic wave generating module 261, so that food with different fixed attributes (type, weight, volume, etc.) or food has more electromagnetic wave energy absorbed by the object to be processed during a temperature change process, thereby improving a heating rate.

The detection unit 273 may be connected in series between the matching unit 272 and the electromagnetic wave generation module 261, and configured to detect a forward power signal output by the electromagnetic wave generation module 261 and a reverse power signal returned to the electromagnetic wave generation module 261.

The control unit 271 may be configured to receive a heating instruction input by a user, determine a matching degree of impedance matching according to the forward power signal and the reverse power signal, and control the electromagnetic wave generation module 261 to operate according to an impedance value of the matching unit 272 that achieves optimal load matching of the electromagnetic wave generation module 261. Wherein, the smaller the ratio of the power of the reverse power signal to the power of the forward power signal is, the higher the matching degree is.

The signal processing and monitoring circuit 270 may be integrated on a circuit board to facilitate installation and maintenance of the signal processing and monitoring circuit 270.

Fig. 7 is a schematic sectional view of the heating unit 200 shown in fig. 6. Referring to fig. 6 and 7, in some further embodiments, the radiation antenna 250 and the signal processing and measurement and control circuit 270 may be disposed in the heat dissipation duct 212 to improve the heat dissipation efficiency of the radiation antenna 250 and the signal processing and measurement and control circuit 270, reduce the heat radiation amount of the object to be processed, and avoid local overheating of the object to be processed.

The signal processing and monitoring circuit 270 may be disposed downstream of the radiating antenna 250 to further improve the heat dissipation efficiency of the radiating antenna 250 and further improve the temperature uniformity of the object to be processed.

The air inlet and the air outlet of the heat dissipation air duct 212 may be respectively provided with a metal mesh 280 to be electrically connected with the electromagnetic shielding feature of the cylinder 210, so as to prevent electromagnetic wave leakage.

In other embodiments, the heat generating device of the heating unit 200 may also be a heating tube.

In some embodiments, the chest may further define another storage compartment, and another door or doors may be disposed at a forward opening of the storage compartment. The refrigeration system may further include another evaporator connected in series or in parallel with the evaporator 120, and disposed in the another storage compartment.

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. An air-cooled refrigerator, comprising:

the refrigerator comprises a box body, a heating device and a storage device, wherein the box body is limited with a storage chamber, and the storage chamber is divided into a heating area and at least one storage area;

the air channel cover plate is arranged in the storage chamber and forms a chamber air channel together with the vertical side wall of the storage chamber; and

the heating unit comprises a cylinder body which is arranged in the heating area and used for placing an object to be treated; wherein

The air duct cover plate is provided with at least one air supply outlet and one air return inlet which are arranged at intervals; and is

At least one air supply outlet and/or the air return inlet are/is arranged in the heating area.

2. The air-cooled refrigerator according to claim 1,

the air supply outlet and the air return inlet are arranged in the heating area; and is

And the heating device of the heating unit is at least partially arranged on a return air path from the at least one air supply outlet to the return air inlet.

3. The air-cooled refrigerator according to claim 1,

at least one air supply outlet is arranged in the heating area, and the air return inlet is arranged in one storage area; and is

And the heating device of the heating unit is at least partially arranged on an air supply path from the air supply outlet to the air return inlet.

4. The air-cooled refrigerator according to claim 2 or 3, further comprising:

the evaporator and the fan are arranged in the compartment air duct and are configured to be started or maintained in a working state when the heating unit works; and is

And the air supply outlet for supplying air to the heating area is configured to be communicated with the air return inlet when the heating unit works.

5. The air-cooled refrigerator according to claim 4,

the fan is configured to operate at a preset first rotation speed when the temperature of one of the storage areas is greater than or equal to a preset refrigeration temperature, and operate at a preset second rotation speed when the temperature of each of the storage areas is less than the refrigeration temperature and the heating unit operates; wherein

The first rotational speed is greater than the second rotational speed.

6. The air-cooled refrigerator according to claim 1,

the at least one air supply outlet is respectively arranged in the at least one storage area, and the air return inlet is arranged in the heating area; and is

And the heating device of the heating unit is at least partially arranged on a return air path from the at least one air supply outlet to the return air inlet.

7. The air-cooled refrigerator of claim 1, wherein the heating unit further comprises:

an electromagnetic wave generating system, at least a part of which is arranged in the cylinder body, for generating electromagnetic waves in the cylinder body to heat the object to be processed; and is

The barrel is formed with a heat dissipation air duct, and the part is arranged in the heat dissipation air duct.

8. The air-cooled refrigerator according to claim 7, wherein the electromagnetic wave generating system comprises:

an electromagnetic wave generation module configured to generate an electromagnetic wave signal; and

and the radiation antenna is arranged in the heat dissipation air duct and is electrically connected with the electromagnetic wave generation module so as to generate electromagnetic waves with corresponding frequencies according to the electromagnetic wave signals.

9. The air-cooled refrigerator according to claim 8, wherein the electromagnetic wave generating system further comprises:

and the signal processing and measuring and controlling circuit is arranged in the heat dissipation air duct and is positioned at the downstream of the radiation antenna.

10. The air-cooled refrigerator according to claim 7,

the cylinder is made of metal; and/or

And the air inlet and the air outlet of the heat dissipation air duct are respectively provided with a metal net.

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