WO2019114492A1

WO2019114492A1 - Air passage assembly and refrigerator having same

Info

Publication number: WO2019114492A1
Application number: PCT/CN2018/115577
Authority: WO
Inventors: 邹磊; 刘庆林; 张玉琢; 程永利; 张晓月; 王巍
Original assignee: 青岛海尔股份有限公司
Priority date: 2017-12-13
Filing date: 2018-11-15
Publication date: 2019-06-20
Also published as: CN108120207A; CN108120207B

Abstract

An air passage assembly (1) and a refrigerator having the air passage assembly (1). The air passage assembly (1) comprises: a front cover plate (11); a rear cover plate (13) having a plurality of air outlets (121, 122, 123); an air outlet adjustment member (15); a rotary shaft (111) passing through the front cover plate (11) and connected to the air outlet adjustment member (15); and a control display device (2). A refrigerator having the control display device enables a user to intuitively and conveniently adjust a temperature in a refrigeration cabinet according to the type of food to be stored, thereby facilitating food preservation.

Description

Air duct assembly and refrigerator having the same

The present application claims the priority of the Chinese patent application entitled "A wind tunnel assembly and a refrigerator having the air duct assembly" on the application date of December 13, 2017, application number: 201711328306.X, the entire contents of which are incorporated herein by reference. This is incorporated herein by reference.

Technical field

The present invention relates to the field of refrigeration devices, and more particularly to a duct assembly and a refrigerator having the same.

Background technique

A refrigerator is a commonly used home appliance in an existing home, and the refrigerator includes a refrigerating compartment and a duct assembly that supplies cold air to the refrigerating compartment to control the temperature of the refrigerating compartment. For a general mechanical refrigerator, the air duct assembly generally includes a mechanical thermostat disposed in the refrigerating compartment, such as a knob to adjust the temperature in the refrigerating compartment, and a plurality of numbers on the circumference of the knob are representative of the temperature range. Bit, the user can turn the knob to the corresponding temperature position as needed. However, most users do not understand the relationship between the temperature range and the temperature corresponding to the temperature range, so it is easy to make the temperature of the adjusted refrigerating compartment appear too cold or overheating, affecting the food stored in the refrigerating compartment. Fresh effect.

In view of the above, it is necessary to provide a new air duct assembly and a refrigerator having the air duct assembly to solve the above problems.

Summary of the invention

It is an object of the present invention to provide a duct assembly and a refrigerator having the duct assembly.

In order to achieve the above object, the present invention adopts the following technical solution: a duct assembly includes a front cover, a rear cover that cooperates with the front cover and has an air distribution chamber, and a duct pad, a plurality of air outlets communicating with the air volume distribution chamber are disposed on the rear cover plate, wherein the air channel paddles are used to adjust a size of the plurality of air outlets; the air duct assembly further includes a rotating shaft connected to the air duct pad and a regulating display device disposed on a side of the front cover facing away from the rear cover, the control display device comprising a disc-shaped display panel, The display panel faces away from the baffle on one side of the front cover, and one of the display panel and the baffle is coupled to the rotating shaft to enable the display panel and the baffle to rotate relative to each other. The display panel is provided with a plurality of display areas disposed on the same circumference around the rotating shaft and marked with different air volumes, and the baffle is provided with a hollow portion for exposing the display area, the display panel and the display panel When the baffle is relatively rotated, different display areas are exposed to the A cutout section.

As a further improvement of the present invention, the display panel is connected to the rotating shaft, and at least one fixing post is protruded from a position corresponding to the display panel on the front cover, the display panel An arc-shaped chute is disposed through the fixing post, and the baffle is connected to an end of the fixing post away from the front cover.

As a further improvement of the technical solution of the present invention, the number of the fixing columns is two, and the number of the sliding slots is also two, and the two fixing columns correspond to the two sliding grooves one by one; The fixing columns are disposed on opposite sides of the rotating shaft and the distance between the two fixed columns from the rotating shaft is different.

As a further improvement of the technical solution of the present invention, the two sliding grooves have a semi-circular shape, and the ends of the two sliding grooves are located on the same diameter of the display panel.

As a further improvement of the present invention, the display panel is connected to the rotating shaft, and the control display device further includes a dial connected to the display panel for driving the display panel to rotate.

As a further improvement of the technical solution of the present invention, the dial block is integrally formed with the display panel.

As a further improvement of the present invention, the display panel protrudes from a side of the front cover plate with a sleeve matched with the rotating shaft, and a portion of the rotating shaft that cooperates with the sleeve is shaped. .

As a further improved technical solution of the present invention, a plurality of the air outlets are located on the same circumference, and the air channel pad includes a circular rotating wheel connected to the rotating shaft and an outer circumference connected to the rotating wheel and A flap that protrudes in the direction of the rear cover to adjust the size of the air outlet.

In order to achieve the above object, the present invention also provides a refrigerator including the above air duct assembly, a controller for controlling the operation of the refrigerator, and a potentiometer communicably connected to the controller, the potentiometer and the The rotating shaft is connected, and the controller identifies the air volume corresponding to the display area exposed in the hollow portion according to the information fed back by the potentiometer and controls the operation of the refrigerator.

As a further improved technical solution of the present invention, the potentiometer includes a potentiometer shaft, the potentiometer shaft is connected to the rotating shaft, and the potentiometer is located in the air volume distribution chamber; the refrigerator further comprises a fixed The air volume distribution chamber is configured to fix a potentiometer holder of the potentiometer.

The utility model has the beneficial effects that after the user adjusts the control display device, the air duct assembly of the invention can intuitively understand the air volume entering the refrigerating compartment from the air outlet after adjustment, and most users understand the air volume and the cooling. The temperature in the compartment is directly proportional, so that the user can intuitively adjust the temperature in the refrigerating compartment according to the food to be stored, which is beneficial to the preservation of the food.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of a duct assembly in the present invention.

Figure 2 is an exploded view of Figure 1.

3 is a schematic structural view of another angle of the display panel in the control display device of FIG. 2.

4 is an exploded view of the potentiometer and potentiometer mount of FIG. 2.

FIG. 5 is a schematic view showing the structure of the air duct assembly and the air outlet when the air duct assembly shown in FIG. 2 only supplies cold air to the refrigerating chamber.

Fig. 6 is a schematic view showing the structure of the air duct piece and the air outlet when the air duct assembly shown in Fig. 2 simultaneously supplies cold air to the refrigerating chamber and the freezing chamber.

Fig. 7 is a schematic view showing the structure of the air duct assembly and the air outlet when the air duct assembly shown in Fig. 2 only supplies cold air to the freezing chamber.

FIG. 8 is another schematic structural view of the air duct assembly and the air outlet when the air duct assembly shown in FIG. 2 simultaneously supplies cold air to the refrigerating chamber and the freezing chamber.

Detailed ways

The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings. FIG. 1 to FIG. 8 are preferred embodiments of the present invention.

Referring to Figures 1 to 8, the present invention provides a duct assembly 1 and a refrigerator having the duct assembly 1. The refrigerator includes a refrigerating compartment, a refrigeration system that supplies cooling to the refrigerating compartment, a duct assembly 1 that delivers a cooling amount generated by the refrigerating system to the refrigerating compartment, and a control that controls operation of the refrigerator Device.

The air duct assembly 1 includes a front cover 11, a rear cover 13 connected to a rear side of the front cover 11 and having an air volume distribution chamber 131, and the air distribution chamber 131 and the refrigerating compartment are connected to The cold air is sent to the air duct in the refrigerating compartment, the fan 14 fixed to the rear cover 13 , the air bearing paddle 15 , passes through the front cover 11 and is connected to the air channel paddle 15 The rotating shaft 111 and the regulating display device 2 disposed on the side of the front cover 11 facing away from the rear cover 13 are provided.

When the air duct assembly 1 is assembled on the refrigerator, the front cover 11 is located in the refrigerating compartment to facilitate user manipulation of the control display device 2.

The fan 14 is fixed in the air volume distribution chamber 131 to guide the cooling amount generated by the refrigeration system into the air duct.

Specifically, the fan 14 includes a fan bracket fixed in the air volume distribution chamber 131 and a fan body fixed to the fan bracket. At the same time, an opening is formed in the air volume distribution chamber 131 at a position corresponding to the fan body to facilitate the operation of the fan 14.

A plurality of air outlets 12 are formed on the rear cover 13 to communicate with the air distribution chamber 131. The air flaps 15 are used to adjust the size of the plurality of air outlets 12 to adjust the The amount of air in the cooling room.

Specifically, a plurality of the air outlets 12 are located on the same circumference, and the air channel paddle 15 includes a circular turntable 151 connected to the rotating shaft 111 and an outer circumference connected to the turntable 151 and facing the rear. a flap 152 protruding in a direction of the cover plate 13 for adjusting the size of the air outlet 12, the rotating shaft 111 is rotated to rotate the dial 151, thereby rotating the flap 152 to adjust the out The size of the tuyere 12. That is, the air volume entering the refrigerating compartment is adjusted by the cooperation between the flap 152 and the air outlet 12, thereby controlling the temperature of the refrigerating compartment.

In the present invention, the refrigerating compartment includes a refrigerating compartment and a freezing compartment, and the air outlet 12 includes a refrigerating air outlet that conveys an air volume into the refrigerating compartment and a refrigerating air outlet that conveys the air volume to the freezing compartment, through the flap 152. A cooperation with the refrigerating vent and the refrigerating vent to regulate the amount of air entering the refrigerating compartment and the freezing compartment, thereby controlling the temperature of the refrigerating compartment and the freezing compartment.

Referring to FIG. 5 to FIG. 8 , in the embodiment, the number of the air outlets 12 is taken as an example. For example, in other embodiments, the number of the air outlets 12 may also be 2 or Any number greater than 3.

Specifically, the three air outlets 12 are a first air outlet 121, a second air outlet 122, and a third air outlet 123 arranged in a clockwise manner. The first air outlet 121 is a refrigerating air outlet, and the second air outlet 122 is 122. And the third air outlet 123 is a frozen air outlet.

The air channel paddle 15 includes two spaced-apart flaps 152, which are respectively a first flap 1521 capable of completely shielding the first air outlet 121 or the second air outlet 122, and can completely shield the third air outlet 123 or the first The second flap 1522 of the second air outlet 122.

Hereinafter, the flaps of the present invention will be described in the present invention by rotating the duct paddle 15 to provide the air duct assembly 1 with only cold air to the refrigerating compartment, only cold air to the freezing compartment, and simultaneously supplying cold air to the refrigerating compartment and the freezing compartment. The cooperation between 152 and the air outlet 12.

Referring to FIG. 5, the air duct assembly 1 only supplies cold air to the refrigerating chamber. At this time, when the first flap 1521 completely shields the second air outlet 122, the second flap 1522 The third air outlet 123 is completely shielded, that is, the first air outlet is in an open state, the second air outlet 122 and the third air outlet 123 are in a closed state, and the air duct assembly 1 is only passed through The first air outlet 121 supplies cold air to the refrigerating compartment.

Referring to FIG. 6, the air duct assembly 1 simultaneously supplies cold air to the refrigerating chamber and the freezing chamber. At this time, the first flap 1521 simultaneously shields part of the first air outlet 121 and a portion of the air outlet. The second air outlet 122, the second air flap 1522 shields a portion of the third air outlet 123, such that the air duct assembly 1 passes through a portion of the second air outlet 122 and a portion of the third air outlet 123. Cold air is supplied to the freezing compartment, and cold air is supplied to the refrigerating compartment through a part of the first air outlet.

Referring to FIG. 7, the air duct assembly 1 only supplies cold air to the freezing chamber. At this time, the first flap 1521 completely shields the first air outlet 121, and the second flap 1522 and The third flap 1323 is completely overlapped, that is, the first air outlet 121 is in a closed state, and the second air outlet 122 and the third air outlet 123 are both in an open state, thereby, the air duct assembly 1 The cold air is supplied to the freezer compartment only through the second air outlet 122 and the third air outlet 123.

Referring to FIG. 8, the air duct assembly 1 simultaneously supplies cold air to the refrigerating chamber and the freezing chamber. At this time, the second flap 1522 completely shields the second air outlet 122, that is, The second air outlet 122 is in a closed state, and the first air outlet 121 and the third air outlet 123 are both in an open state, so that the air duct assembly 1 is provided to the freezing chamber through the third air outlet 123. Cold air, through which the cold air is supplied to the refrigerating compartment through the first air outlet.

Of course, in other embodiments, the size of the air outlet 12 can also be changed by changing the rotation angle of the air channel paddle 15 or by changing the number and/or size of the arrangement of the air channel paddles 15 as needed. The amount of air in the refrigerating compartment.

Further, the front cover 11 is provided with a shaft hole 112 for receiving the rotating shaft 111. The rotating shaft 111 can rotate around the axis of the rotating shaft 111 in the shaft hole 112 to drive the air passage. The paddle 15 rotates.

Specifically, the rotating shaft 111 is integrally formed with the air channel paddle 15 to simplify the assembly step of the air channel assembly 1.

The control display device 2 includes a disc-shaped display panel 21, a baffle 22 disposed on a side of the display panel 21 away from the front cover 11, and the display panel 21 and the baffle 22 An end connected to the rotating shaft 111 away from the turntable 151 to enable the display panel 21 and the baffle 22 to rotate relative to each other and to drive the air bearing paddle 15 to rotate together to adjust the air outlet 12 the size of.

The display panel 21 is provided with a plurality of display areas 211 disposed on the same circumference around the rotating shaft 111 and marked with different air volumes, and the baffle 22 is disposed to expose one of the plurality of display areas 211 The hollow portion 221 is exposed to the hollow portion 221 when the display panel 21 and the shutter 22 are relatively rotated. The structure is simple and convenient for the user to operate.

When the user adjusts, the air volume corresponding to the display area 211 exposed in the hollow portion 221 is the air volume entering the freezing room and the refrigerating room, and the user can intuitively understand the adjusted entering the freezing room and the refrigerating room. The air volume, and most users understand that the air volume is proportional to the temperature in the refrigerating compartment, so that the user can adjust the temperature of the refrigerating compartment according to the food to be stored, which is beneficial to the preservation of the food.

In the embodiment, the display panel 21 is connected to the rotating shaft 111 to rotate the air bearing paddle 15 by rotating the display panel 21.

Of course, in other embodiments, the baffle 22 may be coupled to the rotating shaft 111 to rotate the air flap 15 by rotating the baffle 22 .

Specifically, the display panel 21 protrudes from a side of the front cover 11 with a sleeve 212 that cooperates with the rotating shaft 111. The portion of the rotating shaft 111 that cooperates with the sleeve 212 is shaped. In order to enable the rotating shaft 111 and the display panel 21 to rotate in synchronization.

Further, the inner diameter of the shaft hole 112 is the same as the outer diameter of the sleeve 212. After the display panel 21 is mounted on the front cover 11, the sleeve 212 is sleeved on the shaft. The shaft 111 is received in the shaft hole 112 so that the structure of the control display device 2 is relatively compact and small in volume.

Further, at least one fixing post 113 is protruded from the front cover 11 near the shaft hole 112, and the baffle 22 is connected to the end of the fixing post 113 away from the front cover 11 To fix the baffle 22 to the front cover 11.

The display panel 21 is located between the front cover 11 and the baffle 22. At the same time, the display panel 21 is provided with an arc-shaped sliding slot 213 that cooperates with the fixing post 113. When the display panel 21 is rotated, the fixing post 113 moves along the sliding slot 213, and the display panel 21 rotates relative to the shutter 22 to expose different display regions 211 to the hollow portion 221 .

In the embodiment, the front cover 11 is provided with two fixing posts 113. The two fixing posts 113 are disposed on opposite sides of the shaft hole 112. The display panel 21 is provided with two through holes. One of the two sliding grooves 213 corresponding to the fixing posts 113 enhances the fixing strength of the baffle 22 on the one hand, and improves the stability of the rotation of the display panel 21 on the other hand.

The distance between the two fixing posts 113 is different from the axial hole 112, so that the range of rotation of the display panel 21 can be changed as needed, that is, the longer the two sliding slots 213 are, the more the range of the rotation adjustment of the display panel 21 is. Big.

In the embodiment, the two sliding grooves 213 are all in a semi-arc shape, and the ends of the two sliding grooves 213 are located on the same diameter of the display panel 21.

Optionally, the control display device 2 further includes a dial 23 connected to the display panel 21 for driving the display panel 21 to rotate, so that the user drives the display panel by driving the dial block 23. 21 rotation for easy operation.

Specifically, the dial block 23 is integrally formed with the display panel 21.

Further, the refrigerator further includes a potentiometer 3 communicatively coupled to the controller, and the potentiometer 3 is coupled to the rotating shaft 111.

Specifically, the potentiometer 3 includes a potentiometer shaft 31 that realizes synchronous rotation of the potentiometer 3 and the display panel 21 by connecting the potentiometer shaft 31 with the rotating shaft 111.

After rotating the display panel 21, the potentiometer 3 can output a signal corresponding to the position of the display panel 21 to the controller, and the controller recognizes the exposure according to the signal fed back by the potentiometer 3. The air volume corresponding to the display area 211 in the hollow portion 221 controls the operation of the refrigerator according to the air volume, and the operation of the refrigerator includes starting and stopping of the compressor, the rotation speed of the fan 14, and the like.

Further, the refrigerator further includes a potentiometer holder 4 fixed in the air volume distribution chamber 131 for fixing the potentiometer 3 to fix the potentiometer 3 in the air volume distribution chamber 131.

A through hole 41 through which the potentiometer shaft 31 passes is disposed at a position on the potentiometer mount 4 corresponding to the potentiometer shaft, and the potentiometer shaft 31 passes through the through hole 41 and is connected to the The rotary shaft 111 is fixed to the potentiometer holder 4 to rotate the potentiometer 3 in synchronization with the display panel 21.

In summary, after the user adjusts the control display device 2, the air duct assembly 1 of the present invention can intuitively understand the amount of air entering the refrigerating compartment from the air outlet 12 after adjustment, and most users understand the air volume and The temperature in the refrigerating compartment is proportional to the temperature, so that the user can intuitively adjust the temperature of the refrigerating compartment according to the food to be stored, which is beneficial to the preservation of the food.

It should be understood that, although the description is described in terms of embodiments, the embodiments are not intended to be construed as a single. The technical solutions in the embodiments may also be combined as appropriate to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions set forth above are merely illustrative of the possible embodiments of the present invention, and are not intended to limit the scope of the present invention. Changes are intended to be included within the scope of the invention.

Claims

A air duct assembly includes a front cover, a rear cover that cooperates with the front cover and has an air distribution chamber, and a air paddle, and the rear cover is connected to the air distribution chamber a plurality of air outlets, wherein the air channel pad is used to adjust a size of the plurality of air outlets; and the air duct assembly further includes: passing through the front cover panel and dialing with the air channel And a control display device disposed on a side of the front cover plate facing away from the rear cover plate, the control display device comprising a disc-shaped display panel disposed on the display panel facing away from the front cover a baffle on one side of the plate, the display plate and one of the baffles being coupled to the rotating shaft to enable relative rotation of the display panel and the baffle, and the display panel is provided with a winding The rotating shaft is disposed on the same circumference and is marked with a plurality of display areas with different air volumes, and the baffle is provided with a hollow portion for exposing the display area, and the display panel is different from the baffle when rotated relative to the baffle The display area is exposed within the hollow.
The air duct assembly according to claim 1, wherein the display panel is coupled to the rotating shaft, and at least one fixing post is protruded from a position corresponding to the display panel on the front cover panel. The display panel is provided with an arc-shaped sliding slot that cooperates with the fixing post, and the baffle is connected to an end of the fixing post away from the front cover.
The air duct assembly according to claim 2, wherein the number of the fixing posts is two, and the number of the sliding slots is also two, and the two of the fixing posts and the two of the sliding slots are Correspondingly, two fixed columns are disposed on opposite sides of the rotating shaft and two fixed columns are different in distance from the rotating shaft.
The air duct assembly according to claim 3, wherein the two chutes are semi-arc-shaped, and the ends of the two chutes are located on the same diameter of the display panel.
The air duct assembly according to claim 1, wherein said display panel is coupled to said rotating shaft, and said control display device further comprises a dial connected to said display panel for driving said display panel to rotate Piece.
A duct assembly according to claim 5, wherein said dial block is integrally formed with said display panel.
The air duct assembly according to claim 2 or 5, wherein the display panel protrudes from a side of the front cover plate with a sleeve that cooperates with the rotating shaft, and the rotating shaft and the shaft The matching part of the sleeve is shaped.
A duct assembly according to claim 1, wherein a plurality of said air outlets are located on a same circumference, said duct paddles comprising a circular turntable connected to said rotating shaft and connected to said turntable a peripheral flap and a flap for projecting in the direction in which the rear cover is located for adjusting the size of the air outlet.
A refrigerator, comprising: the air duct assembly according to any one of claims 1 to 8, a controller for controlling operation of the refrigerator, and a potentiometer for communicating with the controller, The potentiometer is connected to the rotating shaft, and the controller identifies the air volume corresponding to the display area exposed in the hollow portion according to the information fed back by the potentiometer and controls the operation of the refrigerator.
A refrigerator according to claim 9, wherein said potentiometer comprises a potentiometer shaft, said potentiometer shaft is coupled to said rotating shaft, and said potentiometer is located in said air volume distributing chamber; said refrigerator further A potentiometer mount fixed to the air volume distribution chamber to fix the potentiometer is included.