CN211233539U - Refrigerator with a door - Google Patents

Abstract

The utility model provides a refrigerator, the power distribution box comprises a box body, form in the box evaporation chamber, with the freezer of evaporation chamber intercommunication, the evaporation intracavity is provided with the evaporimeter, be provided with in the evaporation intracavity and be used for the intercommunication and block the follow the evaporation chamber flow direction the device that opens and shuts of the flow path of freezer. The utility model provides a refrigerator sets up the device that opens and shuts in the evaporation intracavity for the hot gas flow that the control evaporimeter produced enters into in the freezing chamber. The hot air flow generated by the evaporator is prevented from flowing into the freezing chamber from the evaporation cavity, the temperature in the freezing chamber is prevented from rising too high, the effect of real object preservation is prevented from being influenced, and the quality guarantee period of food materials is prolonged.

Description

Refrigerator with a door

Technical Field

The utility model belongs to the technical field of freezing cold-stored, more specifically say, relate to a refrigerator.

Background

The inlet scoop of the freezing fan of traditional air-cooled refrigerator and the no passageway closing device of freezer air intake make freezer and evaporimeter direct intercommunication, when freezing evaporimeter changes the frost, defrosting heater heated air, and the hot-air changes the frost to the evaporimeter heating, and the hot-air also flows into to the freezer from freezing fan's inlet scoop, freezer air intake department simultaneously, leads to the freezer temperature rise again great, influences the fresh-keeping effect of food, shortens the shelf life of eating the material.

The heat is transferred to the freezing chamber, so that the defrosting efficiency of the defrosting heater is reduced, the defrosting time is increased, the defrosting power is increased, and the energy consumption of the whole machine is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator to solve the big problem of the freezer temperature rise back that exists among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a refrigerator, includes the box, form in the box evaporation chamber, with the freezer of evaporation chamber intercommunication, the evaporation intracavity is provided with the evaporimeter, be provided with in the evaporation intracavity and be used for the intercommunication and block the follow the evaporation chamber flows to the device that opens and shuts of the flow path of freezer.

Furthermore, the opening and closing device comprises an air deflector and an electromagnetic device arranged on the inner wall of the evaporation cavity, the air deflector is rotatably connected to the inner wall of the evaporation cavity, and the electromagnetic device is used for adsorbing and releasing the air deflector to communicate and block the flow path.

Furthermore, the opening and closing device comprises an air deflector rotationally connected with the inner wall of the evaporation cavity and a driving piece used for driving the air deflector to rotate, and the air deflector rotates to communicate and block the flow path.

Further, the two ends of the evaporator are provided with plugging pieces.

Furthermore, a fan is arranged at the communication position of the evaporation cavity and the freezing chamber, and the air deflector is arranged between the evaporator and the fan.

Further, a first air return duct is formed in the box body and communicated with the evaporation cavity, a heater is further arranged in the evaporation cavity, and the heater is arranged at one end, close to the first air return duct, of the evaporator.

Furthermore, a second return air duct is formed in the box body and communicated with the evaporation cavity, and airflow in the first return air duct and airflow in the second return air duct converge and then flow to the evaporation cavity.

Furthermore, the box body is also provided with a cold air duct and an air inlet, and the cold air duct is communicated with the freezing chamber through the air inlet.

Further, the size of the air inlet is gradually reduced along a direction toward the freezing chamber.

Furthermore, a drawer is further arranged in the freezing chamber, cold air flowing in from the air inlet flows to the drawer, and the number of the air inlet and the number of the drawers are kept consistent.

The utility model provides a refrigerator's beneficial effect lies in: compared with the prior art, the utility model discloses set up the device that opens and shuts in the evaporation cavity for the hot gas flow that the control evaporimeter produced enters into the freezer room. The hot air flow generated by the evaporator is prevented from flowing into the freezing chamber from the evaporation cavity, the temperature in the freezing chamber is prevented from rising too high, the effect of real object preservation is prevented from being influenced, and the quality guarantee period of food materials is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic cross-sectional structural diagram of a refrigerator provided in an embodiment of the present invention, and a part of the structure is not shown;

fig. 2 is a schematic sectional structural diagram of an evaporation chamber provided in an embodiment of the present invention, a part of the structure is not shown;

fig. 3 is a schematic sectional structural diagram ii of an evaporation chamber provided in an embodiment of the present invention, and a part of the structure is not shown;

fig. 4 is a schematic cross-sectional structural diagram of an evaporation chamber provided in an embodiment of the present invention, and a part of the structure is not shown.

Wherein, in the drawings, the reference numerals are mainly as follows:

1. a box body; 2. an evaporation chamber; 3. a freezing chamber; 4. an evaporator;

5. an opening and closing device; 51. an air deflector; 52. an electromagnetic device;

6. a blocking member; 7. a fan; 8. a first return air duct; 9. a heater; 10. a second return air duct; 11. a cold air duct; 12. an air inlet; 13. a drawer.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 3, a refrigerator according to an embodiment of the present invention will be described. The refrigerator comprises a refrigerator body 1, wherein an evaporation cavity 2 and a freezing chamber 3 are formed in the refrigerator body 1, and the evaporation cavity 2 is communicated with the freezing chamber 3. Be provided with evaporimeter 4 in the evaporation chamber 2, be provided with the device 5 that opens and shuts in the evaporation chamber 2, the air current in the evaporation chamber 2 will flow to the freezer 3 usually, and the device 5 that opens and shuts is used for communicateing and blocks the flow path that flows to freezer 3 from evaporation chamber 2. Specifically, during cooling, the opening/closing device 5 is opened, and the cold airflow generated by the evaporator 4 flows into the freezing chamber 3. When defrosting, the opening and closing device 5 is closed, the hot air flow generated by the evaporator 4 is blocked in the evaporation cavity 2 by the opening and closing device 5, and the hot air flow cannot enter the freezing chamber 3, so that the phenomenon that the temperature in the freezing chamber 3 is excessively raised due to the entrance of the hot air flow in the freezing chamber 3 is avoided.

The utility model provides a refrigerator, compare with prior art, set up switching device 5 in evaporation chamber 2 for the hot gas flow that control evaporimeter 4 produced enters into in the freezer 3. The hot air flow generated by the evaporator 4 is prevented from flowing into the freezing chamber 3 from the evaporation cavity 2, the temperature in the freezing chamber 3 is prevented from rising too high, the effect of real object preservation is prevented from being influenced, and the quality guarantee period of food materials is prolonged.

Further, referring to fig. 2 and fig. 3, as a specific embodiment of the refrigerator provided by the present invention, the opening and closing device 5 includes an air guiding plate 51 and an electromagnetic device 52, and the air guiding plate 51 is rotatably connected to the inner wall of the evaporation cavity 2. The air deflector 51 is made of a magnetic conductive material, when refrigeration is performed, the electromagnetic device 52 is electrified, the electromagnetic device 52 adsorbs the air deflector 51, so that the air deflector 51 rotates and then adsorbs the electromagnetic device 52 together, and cold airflow generated by the evaporator 4 flows into the freezing chamber 3; when heating and defrosting, the electromagnetic device 52 is powered off, the air deflector 51 leaves the electromagnetic device 52 due to the action of self gravity, and separates the hot air flow generated by the evaporator 4 from the freezing chamber 3, so that the hot air flow enters the freezing chamber 3, the temperature in the freezing chamber 3 is over-high, the quality guarantee period of the food materials is prolonged, and the food material fresh-keeping effect is better.

Further, as the utility model provides a refrigerator's a specific embodiment, the device 5 that opens and shuts includes aviation baffle 51 and driving piece, and aviation baffle 51 rotates with the inner wall in evaporation chamber 2 to be connected, and driving piece drive aviation baffle 51 rotates to realize aviation baffle 51 intercommunication and block the flow path that flows to in the freezer 3 from evaporator 4. The driving member is generally a stepping motor. It has been mentioned above that the rotation of the air deflector 51 can realize whether the air current flows into the freezing chamber 3, and it is desirable that the air deflector 51 rotates in the evaporation chamber 2 to realize the air current circulation and separation.

In addition, referring to fig. 4, some types of refrigerators only have the opening and closing device 5, and the blocking effect on the hot air flow still needs to be improved, so that for some refrigerators, the evaporator 4 is provided with the blocking piece 6, and particularly, the blocking piece 6 can be arranged on the side surface of the evaporator 4, so that the sealing effect on the evaporator 4 is further improved, and the hot air flow generated by the evaporator 4 is prevented from flowing into the freezing chamber 3. Here, the blocking member 6 can be selected to block the side surface of the evaporator 4 by using parts such as sponge, and of course, other suitable blocking members 6 can be selected according to actual conditions and requirements. And will not be described in detail herein. The communicating part of the evaporation cavity 2 and the freezing chamber 3 is also provided with a fan 7, the fan 7 sucks the airflow in the evaporation cavity 2 into the freezing chamber 3, and the speed of the airflow in the evaporation cavity 2 flowing into the freezing chamber 3 is accelerated. The aforementioned air deflector 51 is disposed between the evaporator 4 and the fan 7.

Further, please refer to fig. 1, as the utility model provides a refrigerator's a specific embodiment, be formed with first return air wind channel 8 and second return air wind channel 10 in the box 1, first return air wind channel 8, second return air wind channel 10 all communicate with evaporation chamber 2, be provided with heater 9 in the evaporation chamber 2, air current in the first return air wind channel 8 and the air current in the second return air wind channel 10 converge in the back flow direction evaporation chamber 2, heater 9 sets up at evaporation chamber 2 and is close to the intersection of first return air wind channel 8 and second return air wind channel 10.

Further, please refer to fig. 1, as a specific embodiment of the refrigerator provided by the present invention, a cold air duct 11 and an air inlet 12 are further formed in the refrigerator body 1, the cold air duct 11 is communicated with the freezing chamber 3 through the air inlet 12, the aforementioned fan 7 is disposed at a position close to the air inlet 12, the fan 7 sucks the air flow in the evaporation chamber 2 into the cold air duct 11, and then flows into the freezing chamber 3 through the air inlet 12. The air inlet 12 is designed to have a large opening facing the cold air duct 11 and a small opening facing the air inlet 12. Furthermore, design into air intake 12 and reduce towards the direction of freezer 3 gradually, the air current is after flowing into air intake 12, along with the diminishing of air intake 12 size, the velocity of flow of air current can grow gradually for the velocity of flow that cold wind got into in the freezer 3 is big, and the cooling effect is better.

Note that the orientation of the dovetail arrows in fig. 1 indicates the direction of flow of the hot air stream, and the orientation of the straight arrows indicates the direction of flow of the cold air stream.

In addition, a drawer 13 is further disposed in the freezing chamber 3, the drawer 13 is used for accommodating food materials, and details are not repeated herein, cold air flowing in from the air inlet 12 flows into the drawer 13, the number of the air inlets 12 and the number of the drawers 13 are kept consistent, and the air inlets 12 and the drawers 13 are in one-to-one correspondence. In addition, the side of the drawer 13 far away from the air inlet 12 is higher than the side close to the air inlet 12, which is to enable the air flow flowing into the drawer 13 to fully circulate in the drawer 13 and then flow out of the drawer 13, so that the cold air can fully contact with the food materials in the drawer 13, and the freezing efficiency is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The refrigerator, including the box, form in the box evaporation chamber, with the freezer of evaporation chamber intercommunication, the evaporation intracavity is provided with evaporimeter, its characterized in that: and an opening and closing device for communicating and blocking a flow path flowing from the evaporation cavity to the freezing chamber is arranged in the evaporation cavity.

2. The refrigerator of claim 1, wherein: the opening and closing device comprises an air deflector and an electromagnetic device arranged on the inner wall of the evaporation cavity, the air deflector is rotatably connected to the inner wall of the evaporation cavity, and the electromagnetic device is used for adsorbing and releasing the air deflector to communicate and block the flow path.

3. The refrigerator of claim 1, wherein: the opening and closing device comprises an air deflector which is rotatably connected with the inner wall of the evaporation cavity and a driving piece which is used for driving the air deflector to rotate, and the air deflector rotates to realize communication and blocking of the flow path.

4. The refrigerator of claim 1, wherein: and a plugging piece is arranged on the side surface of the evaporator.

5. The refrigerator of claim 2 or 3, wherein: the evaporator is characterized in that a fan is arranged at the communication position of the evaporation cavity and the freezing chamber, and the air deflector is arranged between the evaporator and the fan.

6. The refrigerator of claim 1, wherein: and a first air return duct is formed in the box body and communicated with the evaporation cavity, and a heater is further arranged in the evaporation cavity and arranged at one end, close to the first air return duct, of the evaporator.

7. The refrigerator of claim 6, wherein: and a second return air duct is formed in the box body and communicated with the evaporation cavity, and airflow in the first return air duct and airflow in the second return air duct converge and then flow to the evaporation cavity.

8. The refrigerator of claim 1, wherein: the box body is also provided with a cold air duct and an air inlet, and the cold air duct is communicated with the freezing chamber through the air inlet.

9. The refrigerator of claim 8, wherein: the size of the air inlet is gradually reduced along a direction toward the freezing chamber.

10. The refrigerator of claim 8, wherein: the refrigerating chamber is also internally provided with drawers, cold air flowing in from the air inlet flows to the drawers, and the quantity of the air inlet and the drawers are kept consistent and in one-to-one correspondence.

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