CN106871528B

CN106871528B - Electric refrigerator

Info

Publication number: CN106871528B
Application number: CN201710013555.3A
Authority: CN
Inventors: 马海军; 邹磊; 宁帅
Original assignee: Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2017-01-09
Filing date: 2017-01-09
Publication date: 2020-03-17
Anticipated expiration: 2037-01-09
Also published as: CN106871528A

Abstract

The invention discloses a refrigerator, comprising a freezing chamber; a cold air passage located behind the freezing chamber; the blower is used for inputting cold air into the refrigerator and is positioned in the cold air channel; and the shielding mechanism is positioned in the cold air channel, arranged behind the air blower and used for controlling the cold air in the cold air channel to pass through. The shielding mechanism is arranged at the rear parts of the cold air channel and the air feeder, so that the occupation of the shielding mechanism on the storage space is effectively reduced, and the utilization rate of the storage space is improved.

Description

Electric refrigerator

Technical Field

The invention relates to the technical field of refrigeration, in particular to a refrigerator.

Background

On the air-cooled frost-free refrigerator, often near the evaporimeter design have the heating pipe be used for melting the frosting on the evaporimeter, but because the heating pipe temperature risees at the defrosting in-process, the heat is inside by wind channel fan mouth flow direction freezer, causes the freezer temperature fluctuation to enlarge, and frozen food nutrient composition damages, and the power consumption of refrigerator is also great simultaneously.

The existing solution is that a shielding structure is additionally arranged at the front part of the air feeder, the air feeder port is closed in the defrosting process, heat cannot flow into a freezing chamber, the problems of temperature rise and large fluctuation of the freezing chamber are solved, and meanwhile, the power consumption is reduced. However, the existing structure is generally arranged at the front part of the air duct, and the size is larger, so that the problem of reducing the freezing storage space is caused.

Disclosure of Invention

The object of the present invention is to solve at least to some extent one of the above-mentioned technical problems of the prior art. Therefore, an object of the present invention is to provide a refrigerator that reduces the storage space occupied by the shielding mechanism and improves the utilization of the storage space.

To achieve the above object, the present invention provides a refrigerator including a freezing chamber; a cold air passage located behind the freezing chamber; the blower is used for inputting cold air into the refrigerator and is positioned in the cold air channel; and the shielding mechanism is positioned in the cold air channel, arranged behind the air blower and used for controlling the cold air in the cold air channel to pass through.

The shielding mechanism is arranged at the rear parts of the cold air channel and the air feeder, so that the occupation of the shielding mechanism on the storage space is effectively reduced, and the utilization rate of the storage space is improved.

As a further improvement of an embodiment of the present invention, the shielding mechanism includes a baffle plate and a control device for controlling movement of the baffle plate to control passage of cool air in the cool air duct.

As a further improvement of an embodiment of the invention, the control device comprises a drive device and a transmission device.

As a further improvement of an embodiment of the present invention, the driving device includes a motor for driving the shutter to move.

As a further improvement of one embodiment of the present invention, the transmission device includes a slide rail, the baffle is movable along the slide rail in a first direction or a second direction, and an included angle formed between the first direction and the second direction is 180 degrees.

As a further improvement of an embodiment of the present invention, the transmission device includes a chain, the chain is disposed on the baffle, one end of the chain is connected to the driving device, and the other end of the chain is connected to the baffle through a rotating shaft to drive the baffle to move.

As a further improvement of an embodiment of the present invention, the transmission device further includes a gear, one end of the gear is connected to the driving device, the other end of the gear is connected to the chain, and the gear moves along the chain.

As a further improvement of an embodiment of the present invention, the upper and lower sides of the baffle are respectively connected to the chains through rotating shafts.

As a further improvement of the embodiment of the present invention, the baffle includes a first baffle and a first baffle, the control device controls the first baffle to move in a first direction, the second baffle to move in a second direction, or the first baffle to move in the second direction, the second baffle to move in the first direction, and an included angle formed by the first direction and the second direction is 180 degrees.

As a further improvement of an embodiment of the present invention, the first baffle and the second baffle are respectively placed on the chain through gears, and the first baffle and the second baffle move along the chain.

Compared with the prior art, the invention has the beneficial effects that: the shielding mechanism is arranged at the rear parts of the cold air channel and the air feeder, so that the occupation of the shielding mechanism on the storage space is effectively reduced, and the utilization rate of the storage space is improved.

Drawings

Fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a baffle plate of a refrigerator moving to both sides of a blower according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a refrigerator baffle moving to a fan according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

It is to be understood that in the description of the present invention, the terms "upper" and "lower" are used with reference to the lid on top and the ice bin on the bottom; the terms indicating orientation or positional relationship, including but not limited to "up and down and back and forth" after the direction in which the cover slides and gradually covers the ice grid, are used for convenience of description only and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween.

Referring to fig. 1, a refrigerator according to an embodiment of the present invention includes a freezing chamber 60, a storage rack is disposed below the freezing chamber 60, an evaporator 2 for cooling cold air in the refrigerator is disposed on a side of a back surface of the freezing chamber 60, a cold air duct 50 for circulating cold air is disposed around the evaporator 2, a blower is disposed in the cold air duct 50 on a side of the freezing chamber 60 for delivering cold air into the refrigerator, a shielding mechanism 1 is disposed behind the blower for controlling the passage of cold air in the cold air duct 50, and the shielding mechanism 1 is disposed in the cold air duct 50.

In the present invention, the shielding mechanism 1 includes a baffle plate and a control device for controlling the movement of the baffle plate to control whether the cool air in the cool air duct 50 passes through or not. Specifically, controlling means control the shielding plate moves to one side, makes the baffle covers the forced draught blower prevents the air conditioning in air conditioning wind channel 50 to pass through, or controlling means control the baffle moves to one side in order to expose the forced draught blower to the air conditioning in the air conditioning wind channel 50 passes through.

In the first embodiment of the present invention, as shown in fig. 2, the baffle includes a first baffle 31 and a second baffle 32, the control device is used to control the first baffle 31 to move in a first direction, the second baffle 32 moves in a second direction, an included angle formed by the first direction and the second direction is 180 degrees, that is, the first direction and the second direction are opposite, so that the two baffles are in a closed state to cover the blower and prevent the passage of the cool air in the cool air duct 50, or the two baffles are in an open state to expose the blower, so as to facilitate the passage of the cool air in the cool air duct 50.

Specifically, as shown in fig. 2, when the refrigerator normally operates, the first barrier 31 and the second barrier 32 are in an open state, that is, the first barrier 31 and the second barrier 32 move away from each other, and the cold air in the cold air channel 50 passes through the freezing chamber 60, at this time, the blower rotates the refrigerator to perform normal cooling. When the refrigerator defrosts, as shown in fig. 3, the first baffle 31 and the second baffle 32 are relative at this moment the blower moves in opposite directions, the first baffle 31 and the second baffle 32 are closed to cover the blower, the defrosting space of the evaporator 2 and the cold air duct 50 are blocked, the heat generated by the defrosting can not flow into the freezing chamber 60 through the cold air duct 50, the problem of temperature rise in the freezing chamber 60 is avoided, and the power consumption is reduced.

In the invention, the control device comprises a driving device and a transmission device, the transmission device comprises a chain, one end of the chain is connected with the driving device, and the other end of the chain is connected with the baffle through a rotating shaft so as to drive the baffle to move.

The transmission device comprises a transmission device, a chain and a driving device, wherein the transmission device comprises a baffle plate, one end of the baffle plate is connected with the driving device, the other end of the baffle plate is connected with the chain, the driving device is a motor, one end of the gear is connected with the motor, the other end of the gear is connected with one end of the chain, and the other end of the chain is connected with the baffle plate through a rotating shaft.

As shown in fig. 2 and 3, in this embodiment, the first baffle 31 and the second baffle 32 are respectively disposed on the chain 41 and the chain 42, and when the motor 10 rotates, the power is transmitted to the

gears

21, 22, 23, and 24 through the gear combination, the

gears

21, 22, 23, and 24 drive the

chains

42 and 41 to move, and the

chains

41 and 42 drive the first baffle 31 and the second baffle 32 to move through the rotating shafts.

The working mode of the embodiment is as follows: before defrosting the refrigerator, the motor 10 rotates, and transmits power through the gear transmission mechanism to further drive the gear 21 and the gear 22 to rotate, the gear 21 and the gear 22 rotate to drive the chain 41 and the chain 42 to move, the chain 41 and the chain 42 are connected with the first baffle 31 through a rotating shaft, and further the first baffle 31 is driven to move towards the air feeder. The chain 41 and the chain 42 move to drive the gear 23 and the gear 24 to rotate, and the gear 23 and the gear 24 are connected through a rotating shaft to drive the second baffle 32 to move towards the blower direction, so that the first baffle 31 and the second baffle 32 form a closed state. Similarly, when the defrosting of the refrigerator is completed, the motor 10 rotates in the reverse direction, and the first shutter 31 and the second shutter 32 are opened in the opposite direction to the moving direction.

In a second embodiment of the invention, the basic structure and principle are in communication with the first embodiment, with the difference that the chain is arranged on one side of the first and second apron.

In a third embodiment of the present invention, the basic structure and principle are connected to the first embodiment, except that the first baffle and the second baffle are combined into a baffle, the baffle is sized to cover the blower, when the refrigerator works normally, the baffle moves along the chain in the first direction and moves to one side of the blower, at this time, the cold air in the cold air duct can enter the freezing chamber, and the blower rotates the refrigerator to cool normally. When the refrigerator defrosting, the baffle moves to the second direction, moves to forced draught blower department covers the forced draught blower, the evaporimeter space of defrosting are obstructed with the air conditioning wind channel, and the produced heat of defrosting can't flow into the freezer through the air conditioning wind channel.

In a fourth embodiment of the present invention, the basic structure and principle are connected to the third embodiment, except that the transmission device includes a slide rail, the baffle can slide along the slide rail, when the refrigerator works normally, the baffle slides along the slide rail to one side of the blower, at this time, the cold air in the cold air duct can enter the freezing chamber, and the blower rotates the refrigerator to refrigerate normally. When the refrigerator defrosting, the baffle slides along the slide rail extremely forced draught blower department covers forced draught blower, evaporimeter defrosting space and air conditioning wind channel are by the separation, and the produced heat of defrosting can't flow into the freezer through the air conditioning wind channel.

In a fifth embodiment of the present invention, the basic structure and principle are communicated with the first embodiment, and the difference is that the transmission device includes a slide rail, the first baffle and the second baffle can slide along the slide rail, when the refrigerator works normally, the first baffle and the second baffle respectively move back to back along the slide rail and respectively slide to both sides of the blower, and at this time, the blower rotates the refrigerator to perform normal refrigeration. When the refrigerator defrosting, first baffle and second baffle slide extremely along the slide rail respectively the forced draught blower department covers the forced draught blower, evaporimeter defrosting space are by the separation with the air conditioning wind channel, and the produced heat of defrosting can't flow into the freezer through the air conditioning wind channel.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A refrigerator, characterized by comprising:

a freezing chamber;

a cold air passage located behind the freezing chamber;

the evaporator is arranged on one side of the back surface of the freezing chamber and behind the cold air channel;

the blower is positioned in the cold air channel and used for inputting cold air into the refrigerator;

the shielding mechanism is positioned in the cold air channel and arranged behind the air blower, and comprises a baffle plate and a control device, wherein the control device is used for controlling the movement of the baffle plate so as to control the cold air in the cold air channel to pass through; the baffle plates comprise a first baffle plate and a second baffle plate, the control device controls the first baffle plate to move towards a first direction, the second baffle plate moves towards a second direction, or the first baffle plate moves towards the second direction, the second baffle plate moves towards the first direction, and an included angle formed by the first direction and the second direction is 180 degrees; the control device controls the first baffle plate and the second baffle plate to move backwards towards two sides of the blower, and the baffle plates expose the blower to allow cold air to pass through; the control device controls the first baffle and the second baffle to move towards the rear of the air blower in opposite directions, the baffles cover the air blower, the evaporator defrosting space and the cold air duct are blocked to prevent cold air from passing through.

2. The refrigerator according to claim 1, wherein said control means comprise drive means and transmission means.

3. The refrigerator according to claim 2, wherein said driving means includes a motor for driving the movement of said shutter.

4. The refrigerator according to claim 2, wherein said driving means includes a slide rail, said baffle moves along said slide rail in a first direction or a second direction, and an angle formed between the first direction and the second direction is 180 degrees.

5. The refrigerator according to claim 2, wherein the transmission device includes a chain, the chain is disposed on the baffle, one end of the chain is connected to the driving device, and the other end of the chain is connected to the baffle through a rotating shaft to drive the baffle to move.

6. The refrigerator according to claim 5, wherein said transmission means further comprises a gear having one end connected to said driving means and the other end connected to said chain, said gear moving along said chain.

7. The refrigerator according to claim 5, wherein the upper and lower sides of the baffle are respectively connected to the chains through rotating shafts.

8. The refrigerator according to claim 5, wherein said first and second shutters are respectively placed on said chain through gears, said first and second shutters moving along said chain.