WO2018068424A1

WO2018068424A1 - Refrigerator and automatic door opening control method therefor

Info

Publication number: WO2018068424A1
Application number: PCT/CN2016/113464
Authority: WO
Inventors: 费斌; 李登强; 苗建林; 陆日勇
Original assignee: 青岛海尔股份有限公司
Priority date: 2016-10-14
Filing date: 2016-12-30
Publication date: 2018-04-19
Also published as: CN106546051B; CN106546051A

Abstract

A refrigerator (100), comprising: a cabinet (10), an upper refrigeration chamber/a lower refrigeration chamber, an upper door (1), a drawer, a drawer door (2), a drive system which drives the drawer door (2) to automatically open, and a sensor switch (3); the sensor switch (3) is arranged at a bottom portion of the upper door (1); a top portion of the drawer door (2) is provided with a hidden handle; an effective sensing area of the sensor switch (3) is located in the hidden handle or on a front side of the hidden handle. The refrigerator (100) further comprises a prompting device (4); when the sensor switch (3) is in a working state, the sensor switch (3) may detect a triggering signal sent out when a triggering object is placed in the effective sensing area, and activate the actuation system and the prompting device (4); when the sensor switch (3) is in an off state, the sensor switch (3) does not detect the triggering signal sent out when the triggering object is placed in the effective sensing area, or the sensor switch (3) detects the triggering signal sent out when the triggering object is placed in the effective sensing area, but does not activate the actuation system and the prompting device. The refrigerator may prevent the sensing switch (3) from becoming dirty, and may also send out prompting information to inform a user when the sensor switch (3) is triggered.

Description

Refrigerator and automatic opening control method thereof

The present application claims the priority of the Chinese 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 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 invention relates to the field of household appliances, in particular to a refrigerator capable of automatically opening a door and an automatic door opening control method thereof.

Background technique

With the improvement of people's quality of life, the convenience of the refrigerator has attracted more and more attention from consumers, and the refrigerator automatically opens to meet the market consumption demand. For ease of use, the automatic door opener is also upgraded from contact to infrared.

At present, the installation method of the sensor switch on the market is: to realize the automatic door opening function of a drawer door, the induction switch is installed on the drawer door body, and the infrared switch is installed in the hidden handle of the door, when the hand is placed When the handle is placed, the related functions attached to the door can be realized. However, hiding the handle is easy to fall dirty water, dirty things, affecting the feeling of opening the door; after opening the door, it will also cause induction errors when taking things, resulting in poor reliability of the entire infrared switch system; in addition, the hand can not be perceived after hiding the handle Whether the infrared switch has started working.

In view of this, it is necessary to improve the existing refrigerator and its automatic door opening control method to solve the above problems.

Summary of the invention

An object of the present invention is to provide a refrigerator capable of automatically opening a door and an automatic door opening control method thereof.

In order to achieve the above object, the present invention provides a refrigerator including a case, an upper refrigerating compartment and a lower refrigerating compartment located in the casing, and an upper door opening or closing the upper refrigerating compartment, located under the a drawer in the refrigerating compartment, a drawer door that opens or closes the lower refrigerating compartment, a driving system that is cooperatively disposed between the casing and the drawer door to drive the drawer door to automatically open, and the driving a remote sensing contactless triggered inductive switch of the system communication connection; the inductive switch is disposed at a bottom of the upper door, a top of the drawer door is provided with a dark handle, and an effective sensing area of the inductive switch is located in the dark handle or The refrigerator further includes a prompter communicatively coupled to the inductive switch; the inductive switch has an active state and a closed state, and the inductive switch can detect when the inductive switch is in an active state The trigger is placed into a trigger signal emitted by the active sensing area and activates the driving system and the prompter; when the sensing switch is in a closed state, the Shall trigger switch does not detect a trigger signal is emitted into the active sensing region, said sensing switch or trigger detection signal emitted is triggered into an effective sensing area without activating the drive system and the reminder.

As a further improvement of the present invention, the prompting device is an illumination lamp, and the illumination lamp is located at the bottom of the upper door.

As a further improvement of the present invention, the upper door has a lower trim strip at the bottom, and the inductive switch and the illumination lamp are disposed on the lower trim strip.

As a further improvement of the present invention, the refrigerator has a plurality of inductive switches and a plurality of illumination lamps spaced apart in the width direction of the upper door, and the illumination lamps and the inductive switches are staggered along the width direction of the upper door.

As a further improvement of the present invention, the effective sensing regions adjacent to the inductive switches are seamlessly connected, and the plurality of sensing openings are The closed total effective sensing area has no sensing dead zone in the width direction of the drawer door.

As a further improvement of the present invention, the lower trim strip is provided with a mounting portion formed by an upward recess, a mounting box located in the mounting portion for mounting the inductive switch and the illumination lamp, and the mounting portion is matched The buckle cover is provided with a through hole at a position corresponding to the inductive switch and the illumination lamp.

As a further improvement of the present invention, the upper door has side trim strips on both sides, the bottom of the side trim strip is located at the bottom of the drawer door, and the inductive switch and the illumination lamp are disposed on at least one of the sides The bottom of the trim.

As a further improvement of the present invention, the upper door has a lower trim strip at the bottom, side trim strips on both sides, a bottom of the side trim strip is located at the bottom of the drawer door, the inductive switch and the illumination lamp The middle portion is disposed on the lower trim strip and the other portion is disposed on the bottom of the side trim strip.

As a further improvement of the present invention, the inductive switch is an infrared inductive switch or a photoreceiving tube.

In order to achieve the above object, the present invention further provides a method for automatically opening a door of a refrigerator, comprising the following steps: S1: detecting whether a trigger is placed in a trigger signal sent by the effective sensing area, and if so, transferring to S2; S2: The sensing switch is triggered to activate the prompting device to simultaneously activate the driving system, the prompting device sends a prompt message that the sensing switch is triggered, and the sensing switch is turned into a closed state; S3: detecting whether the drawer door is closed, and if so, Then, the inductive switch is turned into an active state and simultaneously transferred to S1; if not, the inductive switch remains in a closed state.

As a further improvement of the present invention, the prompting device is an illuminating lamp, and the step S2 is specifically: the sensing switch is triggered to start the illuminating lamp and simultaneously start the driving system, and the illuminating lamp blinks several times and then lights up, and the The inductive switch is turned into the off state; the step S3 is specifically: detecting whether the drawer door is closed, and if so, transferring to S2; if not, the illumination lamp is long and the inductive switch is kept off.

As a further improvement of the present invention, the refrigerator has a plurality of inductive switches spaced apart in the width direction of the upper door, and step S1 is specifically: when one of the inductive switches detects that the trigger is placed in the effective sensing area, S2.

As a further improvement of the present invention, the refrigerator has a plurality of inductive switches spaced apart in the width direction of the upper door, and the step S1 is specifically: wherein at least two of the inductive switches detect the triggers being placed into the effective sensing area simultaneously or sequentially. When, transfer to S2.

The invention has the beneficial effects that the present invention is disposed at the bottom of the upper door by the sensing switch, and the effective sensing area of the sensing switch is located in the dark handle or on the front side of the dark handle, so that the user will follow the habit When the hand reaches into the dark handle of the drawer door or is located at the front side of the dark handle, the sensor switch can receive the trigger signal of the hand, and the driving system is driven to drive the drawer door to open automatically; and the internal handle of the dark handle can be prevented. The dirty water and the like, the oil stains on the hands, and the like do not contaminate the inductive switch, so that the inductive switch can be kept clean and high in sensitivity for a long time. In addition, by setting the prompting device, when the sensing switch senses the trigger signal, the prompting device sends a prompt in the manner of vibration, sounding, and lighting, and informs the user that the sensing switch has been activated, so that the user can give up the drawer door. Open space.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an overall structural view of a refrigerator of the present invention.

Fig. 2 is an exploded view of the upper door of the refrigerator shown in Fig. 1.

Fig. 3 is a partial side elevational view of the refrigerator shown in Fig. 1.

Figure 4 is a partial side elevational view of the refrigerator of Figure 1 in another embodiment.

Figure 5 is a partial schematic view of the refrigerator of Figure 1.

Fig. 6 is a view showing the automatic door opening control method of the refrigerator of the present invention.

Fig. 7 is a still further automatic door opening control method of the refrigerator of the present invention.

detailed description

The present invention will be described in detail below with reference to the drawings and specific embodiments.

Referring to FIGS. 1 to 5, the refrigerator 100 of the present invention includes a casing 10, an upper refrigerating compartment and a lower refrigerating compartment which are vertically arranged adjacent to each other in the casing 10, and the upper and lower compartments are opened or closed. An upper door of the refrigerating compartment, a drawer located in the lower refrigerating compartment, and a drawer door 2 that opens or closes the lower refrigerating compartment.

Please refer to the French refrigerator 100 shown in FIG. 1 in detail, including a first door 11 that is opened in a rotary manner, a second door 12 that is opened in a drawer, and a third door 13 that is opened in a drawer. The adjacent upper door 1 and the drawer door 2 referred to in the present invention are the first door 11 and the second door 12, respectively, or the adjacent upper door 1 and the drawer door 2 are the second door 12 and the third door 13 respectively; 1 can be a rotary open door body, can also be a drawer-open drawer door 2, of course, can also be a push-pull open sliding door.

The refrigerator 100 further includes a driving system (not shown) that is cooperatively disposed between the casing 10 and the drawer door 2 to drive the drawer door 2 to automatically open, and a sensing connection with the driving system. Switch 3. The driving system adopts an automatic door opening system commonly used in the art, and is controlled by the sensing switch 3 to automatically open the drawer door 2, and the specific structure thereof will not be described herein. In addition, "the drive system is cooperatively disposed between the casing 10 and the drawer door 2" can be understood that the setting of the drive system enables automatic opening of the drawer door 2, and the drive system can be directly Acting on the casing 10, the drawer door 2 body causes the drawer door 2 body to automatically open, or the drive system indirectly drives the drawer door 2 body to automatically open through other connection structures such as drawers, slide rails and the like.

The inductive switch 3 has an operating state and a closed state. When the drawer door 2 is in a closed state, the inductive switch 3 is in an active state, can detect a trigger signal sent by a user, and activate the driving system to push the The drawer door 2 is automatically opened; when the drawer is in an open state, the sensor switch 3 is in a closed state, does not detect a trigger signal from the user, or detects a trigger signal from the user but does not activate the drive system.

The manner of switching between the operating state and the closed state of the inductive switch 3 includes, but is not limited to, the inductive switch 3 has a detector for detecting that the drawer door 2 is opened or closed, or the inductive switch 3 and the setting Detecting, in the refrigerator 100, a detector communication connection that opens or closes the drawer door 2, the sensor switch 3 switches between two states according to a signal that the drawer door 2 is turned on or off detected by the detector; or When the drawer door 2 is opened and closed, the circuit for supplying power to the inductive switch 3 is respectively cut off; or the voltage supplied to the inductive switch 3 is increased and decreased when the drawer door 2 is opened and closed; Alternatively, when the drawer door 2 is opened and closed, the communication connection between the inductive switch 3 and the drive system can be cut off.

a top of the drawer door 2 is provided with a dark handle for pulling the drawer door 2, and the sensor switch 3 is disposed at the The bottom of the door is 1. The inductive switch 3 is a sensing switch 3 for remote sensing contactless triggering, such as a photoelectric receiving tube, an infrared sensing switch 3, and the like. Taking the infrared sensor switch 3 as an example, the infrared effective sensing range of the infrared switch can be adjusted in the distances of X, Y and Z. The length of the adjustment distance is based on the design performance of different brands of infrared switches or the different distances of different models. The actual situation is adjusted. The invention does not elaborate on the setting of the parameters of the infrared sensor switch 3. The sensing switch 3 is outwardly diffused from itself, so that the user can trigger the sensing area of the sensing switch 3 to be the effective sensing area 31. According to the position of the effective sensing area 31 of the sensing switch 3, the present invention provides two embodiments. .

As shown in FIG. 3, the effective sensing area 31 is located in the dark handle. In order to avoid interference, the sensing distance and angle of the inductive switch 3 are adjusted as needed, for example, the sensing angle of the inductive switch in the YZ plane is 10°, and the sensing distance in the Z direction is 60 mm; The boundary of the 31 field does not touch the bottom and the inner side wall of the dark handle. When the trigger is placed in the dark handle and is located in the effective sensing area 31, the sensing switch 3 can be triggered without It will cause a malfunction due to the presence of the dark handle.

In the closed state of the drawer door 2, when the trigger is placed in the dark handle to issue a trigger signal, the sensor switch 3 is triggered, so that the sensor switch 3 activates the drive system to make the drawer door 2 body automatically open. The trigger is usually the user's hand. Of course, the trigger can also be other items held by the user.

According to the usage habit, when the drawer door 2 needs to be opened, the user naturally inserts the hand into the dark handle of the corresponding drawer door 2, and the sensor switch 3 can receive the trigger signal of the hand, and activate the drive system to drive the drawer door 2 It is automatically opened; it does not affect the user's usage habits, and it is also convenient for users in the home to use without knowing. In addition, the dirty water and the like which are usually dropped in the dark handle do not contaminate the inductive switch 3, and the oil or the like on the hand does not contaminate the inductive switch 3 when the user's hand reaches into the dark handle. Thereby, the inductive switch 3 can be kept clean and high in sensitivity for a long time.

Further, the refrigerator 100 further includes a prompter 4 disposed at the bottom of the upper door 1 and communicably connected to the inductive switch 3. when the inductive switch 3 senses a trigger signal, the prompter 4 is activated to be A prompt is issued in the form of vibration, sounding, and illuminating light to inform the user that the sensing switch 3 has been activated, so that the user can let out the space in which the drawer door 2 is opened.

In this embodiment, the prompting device 4 is an illumination lamp 4, and the illumination lamp 4 is located at the bottom of the upper door 1; on the one hand, a prompt for starting the induction switch 3 can be given, and on the other hand, the illumination lamp can be given Lighting is provided in the drawer for easy access by the user.

The inductive switch 3 and the illumination lamp 4 are disposed at the bottom of the lower door 2, and the specific structure thereof is not limited as long as the dark handle falls into the effective sensing area 31 of the inductive switch 3, and the illumination The lamp 4 can illuminate the inside of the drawer.

As shown in FIGS. 1 to 5, the upper door 1 has an upper trim 14 at the top, a lining 15, a lower trim 16 at the bottom, and a front panel 17, and the inductive switch 3 and the illuminator 4 are disposed on The lower trim strip 16 is on the bottom. Specifically, the refrigerator 100 has a plurality of inductive switches 3 and a plurality of illumination lamps 4 disposed along the width direction of the upper door 1 , that is, the X direction. The illumination lamp 4 and the inductive switch 3 are along the width direction of the upper door 1 . Interlaced settings, evenly distributed. Each of the inductive switches 3 is a large-angle radiation, and the radiation angle may be an angle of 60° or more, which is not specifically limited; in the X-Z plane, the phase An effective sensing area 31 adjacent to the inductive switch 3 is seamlessly connected, and a total effective sensing area 31 of the plurality of inductive switches 3 can be seamlessly connected in the width direction of the drawer door 2 to avoid being in the effective sensing area 31. Inductive blind spots appear within.

It can be understood by those skilled in the art that the so-called "seamless connection" means that a trigger, such as a hand, is placed at any position of the effective sensing area 31, and can be detected by the inductive switch 3; The adjacent active sensing area 31 of the inductive switch 3 has a partial overlap; or the edge of the effective sensing area 31 of the adjacent inductive switch 3 is just next to each other; or the effective sensing of the adjacent inductive switch 3 There is a small gap between the regions 31, but the gap is smaller than the general trigger, so that when the trigger is located at the gap, a part of the trigger is located in the effective sensing area 31 on one side or both sides of the gap to trigger the corresponding The inductive switch 3.

Depending on the number of inductive switches 3 and the mounting position, the total effective sensing area 31 may cover or cover the entire area of the inner portion of the dark handle. Thus, the user can trigger the inductive switch 3 when the user places his hand in any position of the effective sensing area 31 in the dark handle. The radiation angles of several illumination lamps also partially overlap, and all the positions in the drawer can be illuminated without the bright blind zone.

Specifically, the lower molding strip 16 is provided with a mounting portion (not shown) formed by being recessed upward, a mounting box 161 for mounting the inductive switch 3 and the illumination lamp 4 in the mounting portion, and a mounting box The buckle cover 162 is matched with the mounting portion. The buckle cover 162 is provided with a through hole 163 at a position corresponding to the inductive switch 3 and the illumination lamp 4, and a protective cover 164 that cooperates with the through hole 163. The inductive switch 3 is mounted in the mounting box 161, and is radiated downward through the through hole 163 so that the dark handle is located in the effective sensing area 31 thereof, and the protective cover 164 protects it but does not affect the sensing effect thereof. . The illuminating lamp 4 is mounted in the mounting box 161, and provides light to the opened drawer through the through hole 163, and the protective cover 164 protects it but does not affect the distribution of light.

In another embodiment not shown, the upper door 1 has side trim strips (not shown) on both sides, the bottom of the side trim strip is located at the bottom of the drawer door 2, and the inductive switch 3 And the illumination lamp 4 is disposed at the bottom of at least one of the side trim strips. Preferably, each of the side trim strips is provided with the inductive switch 3 and the illumination lamp 4; thereby the trigger switch 3 can be triggered at any position within the dark handle, and the drawer The brightness inside is relatively uniform.

In another embodiment, not shown, the sensing switch 3 and a portion of the illumination lamp 4 may be disposed on the lower trim strip 16 and partially disposed on the side trim strip to achieve The above effects. Specifically, the illumination lamp 4 may be disposed on the lower trim strip 16 to set the inductive switch 3 on the side trim strip; or the inductive switch 3 may be disposed on the lower trim strip 16, and the illumination lamp 4 may be disposed on the lower trim strip 16 On the side trim strips; or the lower trim strips 16 are provided with partial inductive switches 3 and partial illumination lamps 4, while the side trim strips are also provided with partial inductive switches 3 and partial illumination lamps 4.

As shown in FIG. 4, another embodiment of the present invention is different from the above embodiment in that the effective sensing area 31 is located in front of the dark handle; in order to avoid interference, the sensing distance of the sensing switch 3 And the angle is adjusted as needed, for example, the sensing switch has an induction angle of 10° in the YZ plane, and the sensing distance is 60 mm, so that the boundary of the effective sensing area 31 does not touch the front side of the dark handle, the user When the hand is placed in front of the dark handle, the inductive switch 3 can be triggered; at the same time, no malfunction occurs due to the presence of the dark handle or the human body. Other structures and design methods are not described here.

As shown in FIG. 6, the present invention also provides an automatic door opening control method for the above refrigerator 100, comprising the following steps:

S1: Detect whether a trigger is placed in the trigger signal sent by the effective sensing area 31, and if yes, go to S2. The trigger, for example, the user's hand is placed in the dark handle and detected by the sensor switch 3, that is, a trigger signal is issued.

S2: the sensing switch 3 is triggered to activate the prompting device 4 to simultaneously activate the driving system, and the prompting device 4 prompts the user that the sensing switch 3 is triggered to prompt the user, and the sensing switch 3 is turned into the off state, The drive system will be activated again; the prompt information includes but is not limited to vibration, prompt tone, bright light, and the like.

S3: detecting whether the drawer door 2 is closed, and if so, the sensor switch 3 is turned into the working state and simultaneously transferred to S1; if not, the sensor switch 3 is kept closed.

As shown in FIG. 7 , when the prompting device 4 is the illuminating lamp 4, step S2 is specifically as follows: the sensing switch 3 is triggered to activate the prompting device 4 to simultaneously start the driving system, and the illuminating lamp 4 flashes several times first. The prompt signal is further illuminated to provide illumination in the drawer; step S3 is specifically: detecting whether the drawer door 2 is closed, and if so, transferring to S2; if not, the illumination lamp 4 is long to provide illumination to the drawer, and the sensing Switch 3 remains off.

The refrigerator 100 has a plurality of inductive switches 3 spaced apart along the width direction of the upper door 1. S1 is specifically when one of the inductive switches 3 detects that the trigger is placed in the effective sensing area 31, that is, the trigger signal is detected. .

In addition, in order to prevent erroneous operation, the refrigerator 100 has a plurality of inductive switches 3 disposed along the width direction of the upper door 1, and S1 is specifically wherein at least two of the inductive switches 3 detect that the trigger is placed in the effective sensing area. In the case of 31, the trigger signal is detected; two of the sensor switches 3 can sense the trigger at the same time, or the trigger moves the two sensor switches 3 in the effective sensing area 31 to sense the trigger.

In summary, the present invention provides that the inductive switch 3 is disposed at the bottom of the upper door 1 such that the user extends the hand into the dark handle of the drawer door 2 or is located outside the dark handle. The sensing switch 3 can receive the trigger signal of the hand, and the driving system drives the drawer door 2 to automatically open; at the same time, it can prevent the dirty water and the like from falling in the dark handle, the oil stain on the hand, etc., from being stained. The switch 3 is sensed to enable the inductive switch 3 to remain clean and have a high sensitivity for a long time. In addition, by setting the prompting device 4, when the sensing switch 3 senses the triggering signal, the prompting device 4 issues a prompt in the manner of vibration, sounding, and lighting, and informs the user that the sensing switch 3 has been activated, so that the user can give up. The space in which the drawer door 2 is opened.

The above embodiments are only used to illustrate the technical solutions of the present invention, and the present invention is not limited thereto. Although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or substituted. Without departing from the spirit and scope of the technical solutions of the present invention.

Claims

A refrigerator includes a tank, an upper refrigerating compartment and a lower refrigerating compartment located in the casing, an upper door opening or closing the upper refrigerating compartment, a drawer located in the lower refrigerating compartment, opening or closing a drawer door of the refrigerating compartment, a driving system disposed between the casing and the drawer door to drive the drawer door to automatically open, and a remote sensing contactless triggering communication connection with the driving system The inductive switch is characterized in that: the inductive switch is disposed at a bottom of the upper door, and the top of the drawer door is provided with a dark handle, and an effective sensing area of the inductive switch is located in the dark handle or in front of the dark handle The refrigerator further includes a prompter communicatively coupled to the inductive switch; the inductive switch has an active state and a closed state, and the inductive switch can detect that the trigger is placed in an active state when the inductive switch is in an active state a trigger signal sent in the sensing area and the driving system and the prompting device; when the sensing switch is in a closed state, the sensing switch does not detect the trigger Effective sensing area into a trigger signal sent, or the trigger sensing switch detects effective sensing area is placed into a trigger signal issued without starting the driving system and the reminder.
The refrigerator according to claim 1, wherein the prompting device is an illumination lamp, and the illumination lamp is located at a bottom of the upper door.
The refrigerator according to claim 2, wherein the upper door has a lower trim strip at the bottom, and the inductive switch and the illumination lamp are disposed on the lower trim strip.
The refrigerator according to claim 3, wherein the refrigerator has a plurality of inductive switches and a plurality of illumination lamps spaced apart from each other in a width direction of the upper door, and the illumination lamps and the inductive switches are staggered along the width direction of the upper door .
The refrigerator according to claim 4, wherein the effective sensing areas adjacent to the inductive switches are seamlessly connected, and the total effective sensing area of the plurality of inductive switches has no inductive dead zone in the width direction of the drawer door.
The refrigerator according to claim 3 or 4 or 5, wherein the lower trim strip is provided with a mounting portion formed by an upward recess, and the mounting portion is disposed in the mounting portion for mounting the inductive switch and the illumination lamp. a mounting box and a buckle cover matched with the mounting portion, wherein the buckle cover is provided with a through hole at a position corresponding to the inductive switch and the illumination lamp.
The refrigerator according to claim 2, wherein said upper door has side trim strips on both sides, the bottom of said side trim strip is located at the bottom of said drawer door, said sensor switch and said illumination lamp are arranged At the bottom of at least one of the side trim strips.
The refrigerator according to claim 2, wherein said upper door has a lower trim strip at the bottom, side trim strips on both sides, and a bottom of said side trim strip is located at the bottom of said drawer door, said induction A portion of the switch and the illumination lamp are disposed on the lower trim strip, and a portion is disposed on a bottom portion of the side trim strip.
The refrigerator according to claim 1, wherein the inductive switch is an infrared inductive switch or a photoreceiving tube.
An automatic door opening control method for a refrigerator according to any one of claims 1 to 9, comprising the steps of:

S1: detecting whether there is a trigger signal sent by the trigger in the effective sensing area, and if yes, transferring to S2;

S2: the sensing switch is triggered to activate the prompting device to simultaneously activate the driving system, and the prompting device sends a prompt message that the sensing switch is triggered, and the sensing switch is turned into a closed state;

S3: detecting whether the drawer door is closed, and if so, the induction switch is turned into a working state and simultaneously transferred to S1; if not, the sensing switch is kept closed.
The automatic door opening control method of the refrigerator according to claim 10, wherein the prompting device is an illuminating lamp, and the step S2 is specifically: the sensing switch is triggered to start the lighting device and simultaneously start the driving system, the illuminating lamp First flashing several times and then brightening, and the sensing switch is turned into the off state; step S3 is specifically: detecting whether the drawer door is closed, and if so, transferring to S2; if not, the lighting is long and the sensing switch remains Disabled.
The automatic door opening control method of the refrigerator according to claim 10, wherein the refrigerator has a plurality of inductive switches spaced apart from each other in the width direction of the upper door, and step S1 is specifically: one of the inductive switches detects that the trigger is When placed in the effective sensing area, it will be transferred to S2.
The automatic door opening control method of the refrigerator according to claim 10, wherein the refrigerator has a plurality of inductive switches arranged at intervals in the width direction of the upper door, and the step S1 is specifically: at least two of the inductive switches are simultaneously or sequentially When it is detected that the trigger is placed in the effective sensing area, it is transferred to S2.