CN112146349A - Anti-toppling control method and device for refrigerator and refrigerator - Google Patents
Anti-toppling control method and device for refrigerator and refrigerator Download PDFInfo
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- CN112146349A CN112146349A CN201910577236.4A CN201910577236A CN112146349A CN 112146349 A CN112146349 A CN 112146349A CN 201910577236 A CN201910577236 A CN 201910577236A CN 112146349 A CN112146349 A CN 112146349A
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- refrigerator
- lower drawer
- push rod
- mechanical pressure
- pressure switch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention relates to a control method and a control device for preventing falling of a refrigerator and the refrigerator, wherein the control method comprises the following steps: when an operating rod of a mechanical pressure switch arranged on a rear supporting leg of the refrigerator is changed from a compressed state to an extended state and the mechanical pressure switch generates a trigger signal, judging that the refrigerator topples; controlling a lower drawer push rod to extend to push and open a lower drawer of the refrigerator, and stopping the lower drawer push rod at a designated position to resist closing of the lower drawer. When the mechanical pressure switch detects that the refrigerator is toppled, preventive measures can be taken in time to prevent the refrigerator from being further toppled or even toppled down, so that personal injury or damage to the refrigerator are avoided.
Description
Technical Field
The invention relates to the field of refrigerators, in particular to a refrigerator anti-toppling control method and device and a refrigerator.
Background
In the field of the existing refrigerator, in order to prevent the refrigerator from toppling forwards, the refrigerator is designed to be tilted backwards and backwards for a certain angle.
In a bottom drawer type refrigerator, when a door or a storage drawer of the refrigerator filled with articles is opened, the refrigerator may still be toppled due to the forward movement of the center of gravity. In addition, when a child uses the refrigerator, the child may grab a bottle seat at a high position on a door body of the refrigerator or step on a drawer of the refrigerator to access articles at the high position, and the refrigerator may topple over due to the applied external force.
Therefore, in order to prevent personal injury or property loss caused after the refrigerator is dumped, it is necessary to further improve the prior art to prevent the refrigerator from being dumped.
Disclosure of Invention
The invention aims to provide a control method and a control device for preventing a refrigerator from toppling over and the refrigerator.
In order to achieve one of the above objects, the present invention provides a method for controlling anti-toppling of a refrigerator, comprising: when an operating rod of a mechanical pressure switch arranged on a rear supporting leg of the refrigerator is changed from a compressed state to an extended state and the mechanical pressure switch generates a trigger signal, judging that the refrigerator topples; controlling a lower drawer push rod to extend to push and open a lower drawer of the refrigerator, and stopping the lower drawer push rod at a designated position to resist closing of the lower drawer.
As a further improvement of an embodiment of the present invention, the method further comprises: when two mechanical pressure switches arranged on the two rear supporting legs of the refrigerator generate the trigger signal, the refrigerator is judged to topple.
As a further improvement of an embodiment of the present invention, the method further comprises: when the operating rod is changed from a compression state facing the ground and abutting against the ground to an extension state and the mechanical pressure switch generates a trigger signal, the refrigerator is judged to topple.
As a further improvement of an embodiment of the present invention, the method further comprises: controlling the motor to work, so that the motor extends the lower drawer push rod at the maximum speed to push and open the lower drawer, and stops the lower drawer push rod at a designated position to resist the closing of the lower drawer.
As a further improvement of an embodiment of the present invention, the method further comprises: the lower drawer push rod is controlled to extend out to push and open the lower drawer, the end portion of the lower drawer push rod is stopped at a specified position and abutted against a front baffle of the lower drawer, and therefore the lower drawer push rod is abutted against the closing of the lower drawer and the lower drawer is abutted against the ground.
The invention also provides a refrigerator anti-toppling control device, which comprises: the detection unit comprises a mechanical pressure switch arranged on a rear supporting leg of the refrigerator, and is used for judging that the refrigerator topples when an operating rod of the mechanical pressure switch is changed from a compressed state to an extended state and the mechanical pressure switch generates a trigger signal; and a control unit for controlling the lower drawer push rod to extend to push and open the lower drawer of the refrigerator, and stopping the lower drawer push rod at a designated position to resist the closing of the lower drawer.
As a further improvement of an embodiment of the present invention, the detection unit is specifically configured to determine that the refrigerator falls when two mechanical pressure switches disposed on two rear supporting legs of the refrigerator both generate the trigger signal.
As a further improvement of an embodiment of the present invention, the operating lever may face and abut the ground, and when the operating lever changes from the compressed state to the extended state, the contact state of the mechanical pressure switch changes and the trigger signal is generated.
As a further improvement of an embodiment of the present invention, the control unit includes a motor, and when it is detected that the refrigerator is toppled, the control unit is specifically configured to control the motor to operate, so that the motor extends the lower drawer push rod at a maximum speed and stops the lower drawer push rod at a specified position.
As a further improvement of an embodiment of the present invention, the control unit is specifically configured to control the lower drawer push rod to extend when it is detected that the refrigerator is toppled over, and stop an end of the lower drawer push rod at a specified position and abut against a front baffle of the lower drawer, so that the lower drawer push rod abuts against the closing of the lower drawer and the lower drawer abuts against the ground.
The invention also provides a refrigerator, which comprises the anti-toppling control device of the refrigerator, and the refrigerator is a bottom drawer type refrigerator.
Compared with the prior art, the invention has the beneficial effects that: when the mechanical pressure switch detects that the refrigerator is toppled, preventive measures can be taken in time to prevent the refrigerator from being further toppled or even toppled down, so that personal injury or damage to the refrigerator are avoided.
Drawings
FIG. 1 is a flow chart illustrating a method for controlling anti-toppling of a refrigerator according to an embodiment of the present invention;
FIG. 2 is a front view of a refrigerator in an embodiment of the present invention;
FIG. 3 is a side view of a refrigerator in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a refrigerator as it is tipped forward in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of the refrigerator according to one embodiment of the present invention, after the refrigerator is tipped forward and the drawer is opened;
FIG. 6 is a schematic view of the refrigerator according to one embodiment of the present invention after the drawer is opened and abutted against the ground after the refrigerator is tipped forward.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be clearly and completely described below with reference to the detailed description of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
For convenience in explanation, the description herein uses terms indicating relative spatial positions, such as "upper," "lower," "inner," "outer," and the like, to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "above" other elements or features would then be oriented "below" or "above" the other elements or features. Thus, the exemplary term "below" can encompass both a spatial orientation of below and above.
The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. As in the present invention, for convenience of description, in a normal use of the refrigerator, a direction toward the ground is downward and a direction away from the ground is upward; the direction parallel to the ground is a horizontal direction, and the direction vertical to the ground is a vertical direction; the side close to the user is the front side, and the side far away from the user is the back side.
As shown in fig. 1, an embodiment of the present invention provides a method for controlling anti-toppling of a refrigerator, the method including the following steps:
s10: when an operating rod of a mechanical pressure switch 7 arranged on a rear supporting leg 6 of the refrigerator is changed from a compressed state to an extended state and the mechanical pressure switch 7 generates a trigger signal, judging that the refrigerator topples;
as shown in fig. 2 to 4, when the refrigerator is placed normally or in normal operation, the rear support leg 6 of the refrigerator abuts against the floor 10 under the load weight of the refrigerator. Set up mechanical pressure switch 7 behind the refrigerator on supporting leg 6 for detect the bearing state of back supporting leg 6, mechanical pressure switch 7 includes the telescopic action bars, the action bars atress compression can resume to the state of extending when not atress, the action bars atress and compression when the refrigerator is normally placed, when the action bars becomes the state of extending by the compression state, explain that the action bars is no longer atress under mechanical pressure switch 7 drives, supporting leg 6 risees behind the refrigerator promptly and leads to the 6 bearing state changes of back supporting leg, the refrigerator is probably has taken place to empty this moment. Therefore, the mechanical pressure switch 7 is arranged on the supporting leg and detects the trigger signal, and the detection unit of the refrigerator can timely judge that the refrigerator topples.
Optionally, when the trigger signal is detected, the rear supporting leg 6 of the refrigerator may be lifted and lifted by a user, and at this time, the detection unit may determine in advance that the refrigerator is about to topple, so that the refrigerator takes certain precautionary measures to prevent the refrigerator from toppling.
S20: and controlling the lower drawer push rod 3 to extend to push and open the lower drawer 2 of the refrigerator, and stopping the lower drawer push rod 3 at a specified position to resist the closing of the lower drawer 2.
As shown in fig. 5 to 6, a control unit is further disposed inside the refrigerator, and after the detection unit detects and determines that the refrigerator is toppled, the control unit first controls the lower drawer push rod 3 inside the refrigerator, and extends the lower drawer push rod 3, so that the lower drawer push rod 3 pushes the lower drawer 2 of the refrigerator and opens the lower drawer 2; after the lower drawer push rod 3 extends for a certain distance, the lower drawer push rod 3 is stopped at a designated position and fixed, so that the lower drawer push rod 3 is propped against the lower drawer 2 to keep the lower drawer 2 in an open state all the time. Thus, the front end of the lower drawer 2 can be finally abutted against the ground 10 in the process of falling of the refrigerator, and simultaneously, the front end of the lower drawer and the two front supporting legs 5 of the refrigerator jointly act to support the refrigerator and resist the further falling of the refrigerator, and finally the function of preventing the refrigerator from falling down is achieved.
In the anti-toppling control method for the refrigerator in the embodiment, the refrigerator comprises a detection unit and a control unit. The detection unit comprises a mechanical pressure switch 7 arranged on a rear supporting leg 6 of the refrigerator, and can judge that the refrigerator topples when the mechanical pressure switch 7 is stressed and generates a trigger signal; the control unit pushes out the lower drawer 2 of the refrigerator and keeps an open state at a designated position, so that the lower drawer 2 can abut against the ground 10 and coact with the front support leg 5 of the refrigerator to support the inclined refrigerator and prevent the refrigerator from further toppling.
Further, for step S10, the method further includes: when two mechanical pressure switches 7 arranged on two rear supporting legs 6 of the refrigerator generate the trigger signal, the refrigerator is judged to topple.
Specifically, all can set up mechanical pressure switch 7 on two back supporting legs 6 of refrigerator, when detecting unit detected two trigger signal that two mechanical pressure switch 7 produced, explain two back supporting legs 6 of refrigerator all leave ground 10, can definitely judge that the refrigerator takes place to empty this moment, prevent that ground 10 pit from leading to the erroneous judgement that one back supporting leg 6 arouses after unsettled.
Further, for step S10, the method further includes: when the operating rod is changed from a compressed state facing the ground 10 and abutting against the ground 10 to an extended state and the mechanical pressure switch 7 generates a trigger signal, the refrigerator is judged to topple.
Specifically, the operating rod of the mechanical pressure switch 7 is arranged downwards, and when the refrigerator is normally placed, the operating rod abuts against the ground 10 and is in a compressed state; when the refrigerator topples forwards, the rear supporting leg 6 of the refrigerator is lifted, the mechanical pressure switch 7 is lifted along with the rear supporting leg 6, and the operating rod of the mechanical pressure switch 7 is restored to the stretching state under the action of no pressure from the compression state, so that the mechanical pressure switch 7 generates a trigger signal. Thus, the operation lever of the mechanical pressure switch 7 is set to abut downward against the ground 10, and a trigger signal is generated by a mechanical state change of the operation lever to accurately detect whether the refrigerator is toppled.
Further, for step S20, the method further includes: controlling the motor 4 to work, so that the motor 4 extends the lower drawer push rod 3 at the maximum speed to push and open the lower drawer 2, and stops the lower drawer push rod 3 at a designated position to resist the closing of the lower drawer 2.
Specifically, the refrigerator control unit comprises a motor 4, the lower drawer 2 is quickly opened by controlling the motor 4, the motor 4 drives the lower drawer push rod 3 to extend out of the lower drawer push rod 3 at the maximum speed, the lower drawer 2 can be opened within the fastest time to support the refrigerator together with a front supporting leg 5, the dumping trend of the refrigerator is controlled in time, and the refrigerator is prevented from being damaged due to the fact that the refrigerator touches a user.
Optionally, the control unit can also control the opening of the lower drawer 2 through mechanical transmission and the like, and the structure is simple and the cost is low.
Further, for step S20, the method further includes: the lower drawer push rod 3 is controlled to extend to push and open the lower drawer 2, the end part of the lower drawer push rod 3 is stopped at a specified position and is abutted against a front baffle 21 of the lower drawer 2, so that the lower drawer push rod 3 is abutted against the closing of the lower drawer 2, and the lower drawer 2 is abutted against the ground 10.
Specifically, the control unit controls the lower drawer push rod 3, so that after the lower drawer push rod 3 pushes and opens the lower drawer 2, the control unit can stop the front end of the lower drawer push rod 3 at a specified position, fix the lower drawer push rod 3 and abut against the front baffle 21 of the lower drawer 2, and make the lower drawer 2 keep an open state and abut against the ground 10 directly. Therefore, the front end of the lower drawer push rod 3 can be quickly abutted to the front baffle 21 of the lower drawer 2, so that the lower drawer 2 is opened and is quickly and directly abutted to the ground 10, and the lower drawer 2 and the two front supporting legs 5 of the refrigerator can support the refrigerator within the fastest time to prevent further dumping.
Alternatively, the lower drawer push rod 3 may abut against a side plate or a rear wall plate of the lower drawer 2, so that the lower drawer 2 is kept in an open state. The lower drawer 2 may directly abut the floor 10 through the front barrier 21 or the bottom plate to support the dumped refrigerator. In addition, the lower drawer 2 can be directly abutted against the ground 10 under the abutting action of the lower drawer push rod 3 after being opened, or the ground 10 can be touched and abutted during the continuous pouring process of the refrigerator.
The embodiment of the invention also provides a control device for preventing the refrigerator from toppling over, which comprises: the detection unit comprises a mechanical pressure switch arranged on a rear supporting leg of the refrigerator, and is used for judging that the refrigerator topples when an operating rod of the mechanical pressure switch is changed from a compressed state to an extended state and the mechanical pressure switch generates a trigger signal; and a control unit for controlling the lower drawer push rod 3 to be extended to push and open the lower drawer 2 of the refrigerator, and stopping the lower drawer push rod 3 at a designated position to resist the closing of the lower drawer 2.
Specifically, a control device is arranged in the refrigerator, and the control device comprises a detection unit and a control unit.
The detection unit is including locating mechanical pressure switch 7 on supporting leg 6 behind the refrigerator, and mechanical pressure switch 7 includes the action bars, and the action bars compresses when the atress and resumes to the state of stretching when not the atress, and when the action bars become the state of stretching by compression state, mechanical pressure switch 7 produced trigger signal, and the supporting leg 6 behind the refrigerator is not atress probably lifted up the rising this moment, can judge the refrigerator takes place to empty.
Then, the control unit of the refrigerator controls the lower drawer push rod 3 inside the refrigerator to extend the lower drawer push rod 3, so that the lower drawer push rod 3 pushes the lower drawer 2 of the refrigerator and opens the lower drawer 2; after the lower drawer push rod 3 extends for a certain distance, the lower drawer push rod 3 is stopped at a designated position and fixed, so that the lower drawer push rod 3 is propped against the lower drawer 2 to keep the lower drawer 2 in an open state all the time. The front end of the lower drawer 2 will abut against the ground 10 and simultaneously coact with the two front support feet 5 of the refrigerator to support the refrigerator and resist further tipping of the refrigerator, and finally play a role in preventing the refrigerator from tipping.
Further, the detection unit is specifically configured to determine that the refrigerator falls when the two mechanical pressure switches 7 disposed on the two rear supporting legs 6 of the refrigerator both generate the trigger signal.
Specifically, the refrigerator detection unit comprises two mechanical pressure switches 7 respectively arranged on two rear supporting legs 6 of the refrigerator, and when the detection unit detects two trigger signals generated by the two mechanical pressure switches 7, the two rear supporting legs 6 of the refrigerator leave the ground 10, and at the moment, the refrigerator can be definitely judged to topple.
Further, the operating rod can face the ground and abut against the ground, and when the operating rod is changed from a compressed state to an extended state, the contact state of the mechanical pressure switch is changed and the trigger signal is generated.
Specifically, the mechanical pressure switch 7 comprises an operating rod, the operating rod is in a compressed state when the mechanical pressure switch 7 is stressed, and the operating rod is in a telescopic state when the mechanical pressure switch 7 is not stressed.
When the refrigerator normally placed, the action bars set up and butt ground towards ground to receive the bearing gravity of refrigerator and be in compression state, when the action bars become the extension state by compression state, the action bars can lead to mechanical pressure switch 7's contact state to change, thereby mechanical pressure switch 7 produces triggering signal. At this time, it is explained that the rear supporter 6 of the refrigerator is lifted and the mechanical pressure switch 7 is lifted following the rear supporter 6. Therefore, whether the refrigerator topples or not can be accurately detected.
Further, the control unit comprises a motor 4, and when it is detected that the refrigerator is toppled, the control unit is specifically configured to control the motor 4 to work, so that the motor 4 extends the lower drawer push rod 3 at a maximum speed and stops the lower drawer push rod 3 at a specified position.
Specifically, the refrigerator control unit includes a motor 4. When the refrigerator is toppled, the control unit controls the motor 4, the motor 4 drives the lower drawer push rod 3 and extends out the lower drawer push rod 3 at the maximum speed, the lower drawer 2 can be opened in the fastest time to support the refrigerator together with the front supporting leg 5, the toppling trend of the refrigerator is controlled in time, and the refrigerator is prevented from being damaged due to the fact that the refrigerator touches a user.
Further, the control unit is specifically configured to, when it is detected that the refrigerator is toppled over, control the lower drawer push rod 3 to extend, and stop the end of the lower drawer push rod 3 at a specified position and abut against the front baffle 21 of the lower drawer 2, so that the lower drawer push rod 3 abuts against the lower drawer 2 and the lower drawer 2 abuts against the ground 10.
Specifically, after the lower drawer push rod 3 pushes and opens the lower drawer 2, the control unit may stop the front end of the lower drawer push rod 3 at a designated position, and fix and abut the lower drawer push rod 3 against the front baffle 21 of the lower drawer 2, so that the lower drawer 2 maintains an open state and is directly abutted against the ground 10. So, but lower drawer 2 front baffle 21 of drawer push rod 3's front end butt fast down, drawer 2 can be fast down with the direct butt on ground 10, drawer 2 and two preceding supporting legs 5 of refrigerator can form the supporting role to the refrigerator in the fastest time down, prevent further empting.
The embodiment of the invention also provides a refrigerator, which comprises the anti-toppling control device of the refrigerator, and the refrigerator is a bottom-mounted drawer type refrigerator.
Specifically, the refrigerator is a bottom drawer type refrigerator, and the lower drawer 2 is a bottom drawer of the bottom drawer type refrigerator. When the refrigerator is detected to topple, the anti-toppling control device of the refrigerator can control the refrigerator, the lower drawer 2 is opened, the lower drawer 2 is enabled to be quickly abutted against the ground 10, the refrigerator is quickly supported by the front supporting feet 5 of the refrigerator, and the refrigerator which is toppled forwards is controlled within the fastest time and cannot be toppled further or even toppled down.
The anti-toppling control method of the refrigerator is integrally described as follows:
the bottom drawer type refrigerator comprises a bottom lower drawer 2, a control device is arranged in the refrigerator, and the control device comprises a detection unit and a control unit.
The detection unit comprises a mechanical pressure switch 7 arranged on one or both rear supporting feet 6 of the refrigerator,
when the operating rod on the mechanical pressure switch 7 is changed from a compressed state to an extended state and the mechanical pressure switch 7 generates a trigger signal, it indicates that the operating rod in the mechanical pressure switch 7 is no longer stressed due to the lifting of the rear supporting leg 6 of the refrigerator, and at this time, it can be judged that the refrigerator topples.
Next, the control unit controls the motor 4 such that the motor 4 drives the lower drawer push rod 3 to extend and stop the front end of the lower drawer push rod 3 at a designated position, the lower drawer push rod 3 pushes and opens the lower drawer 2 of the refrigerator, and simultaneously the front end of the lower drawer push rod 3 abuts against the front barrier 21 of the lower drawer 2 such that the lower drawer 2 maintains an open state and abuts against the ground 10. Therefore, the lower drawer 2 can work together with the two front supporting legs 5 of the refrigerator to support the refrigerator which is toppled forwards, so that toppling of the refrigerator is blocked in the fastest time, and the refrigerator is prevented from being accidentally injured by a user after being toppled further or being damaged after being toppled down.
In summary, the control device and the refrigerator provided by the invention comprise a detection unit and a control unit, wherein the detection unit comprises a mechanical pressure switch 7 arranged on a rear supporting leg 6 of the refrigerator, and whether the refrigerator topples or not is judged by detecting a trigger signal generated by the mechanical pressure switch 7; after the refrigerator is toppled, the control unit controls the lower drawer 2 of the refrigerator to be opened, so that the lower drawer 2 is abutted to the ground 10 and supports the toppled refrigerator together with the two front supporting legs 5 of the refrigerator, and the refrigerator is prevented from being further toppled down to accidentally injure a user or being damaged after being toppled down.
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 is 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 are included in the scope of the present invention.
Claims (11)
1. An anti-toppling control method for a refrigerator is characterized by comprising the following steps:
when an operating rod of a mechanical pressure switch arranged on a rear supporting leg of the refrigerator is changed from a compressed state to an extended state and the mechanical pressure switch generates a trigger signal, judging that the refrigerator topples;
controlling a lower drawer push rod to extend to push and open a lower drawer of the refrigerator, and stopping the lower drawer push rod at a designated position to resist closing of the lower drawer.
2. The anti-toppling control method of a refrigerator according to claim 1, wherein the step of determining that the refrigerator is toppled when an operation lever of a mechanical pressure switch provided on a rear supporter of the refrigerator is changed from a compressed state to an extended state and the mechanical pressure switch generates a trigger signal comprises:
when two mechanical pressure switches arranged on the two rear supporting legs of the refrigerator generate the trigger signal, the refrigerator is judged to topple.
3. The anti-toppling control method of a refrigerator according to claim 1, wherein the step of determining that the refrigerator is toppled when an operation lever of a mechanical pressure switch provided on a rear supporter of the refrigerator is changed from a compressed state to an extended state and the mechanical pressure switch generates a trigger signal comprises:
when the operating rod is changed from a compression state facing the ground and abutting against the ground to an extension state and the mechanical pressure switch generates a trigger signal, the refrigerator is judged to topple.
4. The anti-toppling control method of a refrigerator according to claim 1, wherein the step of controlling a lower drawer push rod to be extended to push and open a lower drawer of the refrigerator and stopping the lower drawer push rod at a designated position against closing of the lower drawer comprises:
controlling the motor to work, so that the motor extends the lower drawer push rod at the maximum speed to push and open the lower drawer, and stops the lower drawer push rod at a designated position to resist the closing of the lower drawer.
5. The anti-toppling control method of a refrigerator according to claim 1, wherein the step of controlling a lower drawer push rod to be extended to push and open a lower drawer of the refrigerator and stopping the lower drawer push rod at a designated position against closing of the lower drawer comprises:
the lower drawer push rod is controlled to extend out to push and open the lower drawer, the end portion of the lower drawer push rod is stopped at a specified position and abutted against a front baffle of the lower drawer, and therefore the lower drawer push rod is abutted against the closing of the lower drawer and the lower drawer is abutted against the ground.
6. An anti-toppling control device for a refrigerator, the control device comprising:
the detection unit comprises a mechanical pressure switch arranged on a rear supporting leg of the refrigerator, and is used for judging that the refrigerator topples when an operating rod of the mechanical pressure switch is changed from a compressed state to an extended state and the mechanical pressure switch generates a trigger signal;
and a control unit for controlling the lower drawer push rod to extend to push and open the lower drawer of the refrigerator, and stopping the lower drawer push rod at a designated position to resist the closing of the lower drawer.
7. The anti-toppling control device for the refrigerator according to claim 6, wherein the detection unit is specifically configured to determine that the refrigerator is toppled when the trigger signal is generated by two mechanical pressure switches disposed on two rear supporting legs of the refrigerator.
8. The anti-toppling control device for a refrigerator according to claim 6, wherein the operating lever is capable of facing and abutting the ground, and when the operating lever is changed from a compressed state to an extended state, the contact state of the mechanical pressure switch is changed and the trigger signal is generated.
9. The anti-toppling control device for a refrigerator according to claim 6, wherein the control unit comprises a motor, and when it is detected that the refrigerator is toppled, the control unit is specifically configured to control the motor to operate such that the motor extends the lower drawer push rod at a maximum speed and stops the lower drawer push rod at a designated position.
10. The anti-toppling control device for a refrigerator according to claim 6, wherein the control unit is specifically configured to control the lower drawer push rod to extend and stop an end of the lower drawer push rod at a specified position and abut against a front baffle of the lower drawer when the refrigerator is detected to topple, so that the lower drawer push rod abuts against the closing of the lower drawer and the lower drawer abuts against the ground.
11. A refrigerator characterized in that it comprises the refrigerator anti-toppling control apparatus as claimed in claims 6 to 10, and that it is a bottom-mounted drawer type refrigerator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910577236.4A CN112146349A (en) | 2019-06-28 | 2019-06-28 | Anti-toppling control method and device for refrigerator and refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910577236.4A CN112146349A (en) | 2019-06-28 | 2019-06-28 | Anti-toppling control method and device for refrigerator and refrigerator |
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| CN112146349A true CN112146349A (en) | 2020-12-29 |
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| CN201910577236.4A Pending CN112146349A (en) | 2019-06-28 | 2019-06-28 | Anti-toppling control method and device for refrigerator and refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984951A (en) * | 2021-03-16 | 2021-06-18 | 长虹美菱股份有限公司 | Refrigerator inclination detection method |
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| CN1988777A (en) * | 2005-12-21 | 2007-06-27 | 瀚斯宝丽股份有限公司 | Automatic anti-falling device and display |
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| CN107348724A (en) * | 2017-08-11 | 2017-11-17 | 东莞市皓奇企业管理服务有限公司 | Intelligent overturning-preventing household |
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| CN112984951A (en) * | 2021-03-16 | 2021-06-18 | 长虹美菱股份有限公司 | Refrigerator inclination detection method |
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