WO2019114491A1

WO2019114491A1 - Refrigerator

Info

Publication number: WO2019114491A1
Application number: PCT/CN2018/115574
Authority: WO
Inventors: 邹磊; 刘庆林; 王巍; 张玉琢; 马荣荣
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: CN108106305B; CN108106305A

Abstract

A refrigerator comprises a refrigeration compartment, a duct assembly (1) for conveying cold air to the refrigeration compartment, and a controller for controlling operation of the refrigerator. The duct assembly (1) comprises a front cover plate (11), a rear cover plate (13) engaging with the front cover plate (11) and having an air volume distribution cavity (131), and a duct moving member (15). The rear cover plate (13) is provided with multiple air outlets (12) communicating with the air volume distribution cavity (131). The duct moving member (15) is used for adjusting the size of the multiple air outlets (12). The duct assembly (1) further comprises a regulating display device (2) provided on the front cover plate (11). The regulating display device (2) comprises a disc-shaped display panel (21) and blocking plates (22) provided on a side of the display panel (21) facing away from the front cover plate (11). The display panel (21) is connected, at a rotating shaft (111) passing through the front cover plate (11), to one of the blocking plates (22), such that the display panel (21) rotates relative to the blocking plates (22). The display panel (21) is provided with multiple display regions (211) provided around the rotating shaft (111), forming a circle, and marked with different air volumes. The blocking plate (22) is provided with a punctured portion (221) for exposing the display regions (211). When the display panel (21) rotates, the different display regions (211) are exposed in the punctured portion (221), so as to display a corresponding air volume, and to control the duct moving member (15) to move to a position corresponding to the air volume.

Description

Refrigerator

The present application claims the priority of the Japanese Patent Application Serial No. No. No. No. No. No. No. No. No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No

Technical field

The present invention relates to the field of refrigeration devices, and more particularly to a refrigerator that facilitates a user to intuitively adjust the temperature in a refrigerating compartment.

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 this, it is necessary to provide a new refrigerator to solve the above problems.

Summary of the invention

It is an object of the present invention to provide a refrigerator that is convenient for a user to intuitively regulate the temperature in a refrigerating compartment.

In order to achieve the above object, the present invention adopts the following technical solution: a refrigerator including a refrigerating compartment, a duct assembly for conveying a cooling amount to the refrigerating compartment, and a controller for controlling operation of the refrigerator, the duct assembly The utility model comprises a front cover plate, a rear cover plate matched with the front cover plate and having an air volume distribution chamber, and a air channel paddle, wherein the rear cover plate is provided with a plurality of air outlets communicating with the air volume distribution chamber, The air channel paddle is configured to adjust a size of the plurality of air outlets; the air channel paddle is communicatively coupled to the controller; the air channel assembly further includes a potentiometer communicably connected to the controller, a rotating shaft that passes through the front cover and is connected to the potentiometer, and a regulating display device provided on the front cover, the control display device includes a disc-shaped display panel, and is disposed on the display panel a baffle facing away from a side of the front cover, one of the display panel and the baffle being coupled to the rotating shaft to enable relative rotation of the display panel and the baffle, the display panel Provided on the same circumference around the rotating shaft a plurality of display areas having different air volumes, wherein the baffle is provided with a hollow portion for exposing the display area, and when the display panel is relatively rotated with the baffle, different display areas are exposed to the hollow portion And the controller identifies, according to the information fed back by the potentiometer, an air volume corresponding to the display area exposed in the hollow portion and controls the air slide pad to move to a position corresponding to the air volume.

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 the front cover plate at a position close to the shaft hole, and the display panel is provided There is an arc-shaped chute that cooperates with 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 improved technical solution of the present invention, the potentiometer has a potentiometer shaft, and the potentiometer shaft is integrally formed with the rotating shaft.

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 improved technical solution of the present invention, the air duct assembly further includes a fixing base fixed in the air volume distribution chamber to fix the air duct paddle.

As a further improvement of the technical solution of the present invention, the air duct pad includes a air bearing paddle body and a driving device for driving the movement of the air channel paddle body.

As a further improvement of the technical solution of the present invention, a plurality of the air outlets are located on the same circumference, and the air intake pad body includes a circular rotating wheel connected to the driving device and an outer circumference connected to the rotating wheel a flap for protruding the direction of the air outlet in a direction in which the rear cover is located.

The utility model has the beneficial effects that after the user adjusts the control display device, the refrigerator in the invention can intuitively understand the air volume entering the refrigerating compartment after the adjustment, and most users understand the air volume and the temperature in the refrigerating compartment. In proportion, it is convenient for the user to adjust the temperature of 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 Fig. 1 is a schematic view showing the structure of a duct assembly in a refrigerator 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 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. 5 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. 6 is a structural schematic view showing that the air duct assembly of Fig. 2 cooperates with the air outlet only when cold air is supplied to the freezing chamber.

FIG. 7 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. 7 are preferred embodiments of the present invention.

Referring to FIG. 1 to FIG. 7 , the present invention provides a refrigerator including a refrigerating compartment, a cooling system that supplies cooling to the refrigerating compartment, and a cooling amount generated by the refrigerating system to the refrigerating compartment. A duct assembly 1 of the chamber and a controller that controls the operation of the refrigerator.

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 Cooling air is sent to an air duct in the refrigerating compartment, a fan 14 fixed to the rear cover 13, a duct pad 15 disposed in the air volume distribution chamber 131 and communicably connected to the controller, and a potentiometer 3 communicably connected to the controller, a rotating shaft 111 passing through the front cover 11 and connected to the potentiometer 3, and a side of the front cover 11 facing away from the side of the rear cover 13 The display device 2 is regulated.

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, the plurality of air outlets 12 are located on the same circumference, and the air channel paddle 15 includes a air channel paddle body 151 for controlling the size of the air outlet port 12 and is communicatively coupled to the controller. A driving device 152 that drives the air paddle body 151 to move.

The air channel paddle body 151 includes a circular turntable 153 connected to the driving device 152 and a peripheral portion connected to the outer periphery of the turntable 153 and protruding in a direction in which the rear cover plate 13 is located for adjusting the The flap 154, which describes the size of the tuyere 12, drives the dial 153 to rotate by the driving device 152, thereby rotating the flap 154 to adjust the size of the air outlet 12. That is, the air volume entering the refrigerating compartment is adjusted by the cooperation between the flap 154 and the air outlet 12, thereby controlling the temperature of the refrigerating compartment.

Further, the air duct assembly 1 further includes a fixing base 4 fixed in the air volume distribution chamber 131 to fix the air channel paddle 15 to fix the air channel paddle 15 to the air volume distribution cavity. Within 131.

The fixing base 4 is provided with a through hole 41 through which a driving shaft of the driving device 152 passes, and the driving device 152 passes through the through hole 41 and is connected to the air bearing pad body 151, so that The driving device 152 is capable of driving the air slide paddle body 151 to rotate.

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 to the refrigerating compartment and a refrigerating air outlet that conveys the air volume to the freezing compartment, through the flap 154. 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. 4 to FIG. 7 , 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 a second air outlet 122. And the third air outlet 123 is a frozen air outlet.

The air flap 1 includes two spaced apart flaps 154, which are respectively a first flap 1541 capable of completely shielding the first air outlet 121 or the second air outlet 122, and a second air outlet 123. Second wind door piece 1542.

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 of 154 with the air outlet 12.

As shown in FIG. 4, the air duct assembly 1 only supplies cold air to the refrigerating chamber. At this time, when the first flap piece 1541 completely shields the second air outlet 122, the second flap 1542 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. 5, the air duct assembly 1 simultaneously supplies cold air to the refrigerating chamber and the freezing chamber. At this time, the first flap piece 1541 simultaneously shields part of the first air outlet 121 and a portion of the air duct 121. The second air outlet 122, the second air flap 1542 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. 6, the air duct assembly 1 only supplies cold air to the freezing chamber. At this time, the first flap piece 1541 completely shields the first air outlet 121, and the second flap 1542 is 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. 7, the air duct assembly 1 simultaneously supplies cold air to the refrigerating chamber and the freezing chamber. At this time, the second flap member 1542 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 potentiometer. 3 turns.

The potentiometer 3 has a potentiometer shaft 31, and the potentiometer shaft 31 is integrally formed with the rotating shaft 111 to simplify the assembly step of the air duct assembly 1 and reduce the cost. It can also be understood that the rotating shaft 111 is Is a part of the potentiometer shaft 31.

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 153, so that the display panel 21 and the baffle 22 can rotate relative to each other and can drive the potentiometer 3 to rotate together, and the potentiometer 3 can acquire The position of the display device 2 after rotation is regulated to be fed back to the controller.

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, and the controller feeds back information according to the potentiometer 3 The air volume corresponding to the display area 211 exposed in the hollow portion 221 is recognized and the air paddle 15 is controlled to move to a position corresponding to the air volume, and the structure is simple and convenient for the user to operate.

Specifically, after the display panel 21 is rotated, the potentiometer 3 rotating in synchronization with the display panel 21 can feed back a signal corresponding to the position of the display panel 21 to the controller, and the controller is The signal fed back by the potentiometer 3 identifies the air volume corresponding to the display area 211 exposed in the hollow portion 221 and controls the operation of the refrigerator according to the air volume, and the operation of the refrigerator includes the rotation of the air channel paddle 15 , start and stop of the compressor and the speed of the fan 14 and so on.

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.

In summary, after the user adjusts the control display device 2, the refrigerator of the present invention can intuitively understand the amount of air that enters the refrigerating compartment from the air outlet 12 after adjustment, and most users understand the air volume and the refrigerating compartment. The temperature is proportional to the user, 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.

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 refrigerator includes a refrigerating compartment, a duct assembly for conveying a cooling amount to the refrigerating compartment, and a controller for controlling operation of the refrigerator, the duct assembly including a front cover and a mating of the front cover And a rear cover plate having an air volume distribution chamber and a air channel paddle, wherein the rear cover plate is provided with a plurality of air outlets communicating with the air volume distribution chamber, wherein the air channel paddles are used to adjust a plurality of the air outlets The size of the air outlet; wherein the air paddle is communicatively coupled to the controller; the air duct assembly further includes a potentiometer communicatively coupled to the controller, passing through the front cover and a rotating shaft connected to the potentiometer and a regulating display device disposed on the front cover, the regulating display device comprising a disc-shaped display panel disposed on a side of the display panel facing away from the front cover a baffle, the display panel and one of the baffles are coupled to the rotating shaft to enable relative rotation of the display panel and the baffle, and the display panel is disposed around the rotating shaft Multiple display areas on the same circumference and marked with different air volumes, a hollow portion for exposing the display area is disposed on the baffle, and when the display panel is relatively rotated with the baffle, different display areas are exposed in the hollow portion and the controller is fed back according to the potentiometer The information identifies an air volume corresponding to the display area exposed in the hollow portion and controls the air slide pad to move to a position corresponding to the air volume.
The refrigerator according to claim 1, wherein the display panel is coupled to the rotating shaft, and at least one fixing post is protruded from the front cover plate at a position close to the shaft hole, the display An arc-shaped sliding slot is formed on the plate, and the baffle is connected to an end of the fixing post away from the front cover.
The refrigerator 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 fixing posts correspond to the two sliding slots one by one. Two of the fixed columns are disposed on opposite sides of the rotating shaft and the distance between the two fixed columns is different from the rotating shaft.
The refrigerator 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.
A refrigerator according to claim 1, wherein said potentiometer has a potentiometer shaft, and said potentiometer shaft is integrally formed with said rotating shaft.
The refrigerator 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.
A refrigerator according to claim 1, wherein said duct assembly further comprises a fixing base fixed in said air volume distribution chamber to fix said duct paddle.
A refrigerator according to claim 1, wherein said duct paddle comprises a duct paddle body and a driving means for driving the movement of said duct paddle body.
A refrigerator according to claim 8, wherein a plurality of said air outlets are located on a same circumference, said air channel pad body comprising a circular turntable connected to said driving device 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.