CN108362071A - A kind of door opening/closing apparatus of refrigerator, refrigerator, door opening method and shutdown method - Google Patents
A kind of door opening/closing apparatus of refrigerator, refrigerator, door opening method and shutdown method Download PDFInfo
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- CN108362071A CN108362071A CN201810344201.1A CN201810344201A CN108362071A CN 108362071 A CN108362071 A CN 108362071A CN 201810344201 A CN201810344201 A CN 201810344201A CN 108362071 A CN108362071 A CN 108362071A
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- refrigerator
- gear
- refrigerator doors
- door opening
- shutdown
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 149
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 238000009987 spinning Methods 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 48
- 230000009471 action Effects 0.000 claims description 35
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010616 electrical installation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010034703 Perseveration Diseases 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
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Classifications
-
- 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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- 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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- 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 belongs to refrigerator arts; specifically disclose a kind of door opening/closing apparatus of refrigerator; including ejecting mechanism; rotary drive mechanism; rotary drive mechanism includes sequentially connected first driving motor and transmission component; transmission component includes gear-driven assembly and Worm Wheel System component; the worm screw of Worm Wheel System component is set on the output shaft of the first driving motor and is engaged with worm gear; gear-driven assembly includes Multi-stage transmission gear; the input terminal of Multi-stage transmission gear is engaged with worm gear, and overload protective device is provided on gear-driven assembly；Spinning movement part is connect with the output end of transmission component and with refrigerator doors respectively, and axis of rotation and the articulated shaft of spinning movement part are coaxially disposed.The invention also discloses a kind of refrigerator comprising above-mentioned door opening/closing apparatus, door opening method and shutdown methods.The degree of automation of refrigerator switch gate can be improved in door opening/closing apparatus, refrigerator, door opening method and the shutdown method of refrigerator provided by the invention.
Description
Technical field
The present invention relates to refrigerator art more particularly to a kind of door opening/closing apparatus of refrigerator, refrigerator, door opening method and passes
Door method.
Background technology
As the improvement of people's living standards, refrigerator becomes one of indispensable important household electrical appliances in daily life.Tradition
Refrigerator due to not having automatic switch door gear, it usually needs manually open.But in some cases, such as both hands quilt
Article occupies or refrigerator user's oneself factor influences, and all refrigerator doors can be made to be difficult to open or close, and influence user uses body
It tests.
Prior art has disclosed the refrigerator for being provided with ejecting mechanism, enable a user to open by what control circuit was sent
Gate signal controls ejecting mechanism and refrigerator doors ejection refrigerator magnetic is sealed suction force range, reduces the unlatching difficulty of refrigerator doors.The prior art
The refrigerator for being provided with rotating mechanism is also disclosed, drives refrigerator doors to be rotated relative to refrigerator main body by rotating mechanism, to make ice
Chamber door opens and closes automatically.
Volume refrigerator with ejecting mechanism disclosed in the prior art, after refrigerator doors ejection magnetic envelope suction force range, if not continuing
It ejects, then refrigerator doors fully automated can not still be opened, it is still necessary to refrigerator doors are artificially opened, if ejecting mechanism continues to eject,
Action time and the operating distance for needing the length and ejecting mechanism of increase ejection part, increase the structure size and complexity of mechanism
Degree.Refrigerator with rotating mechanism disclosed in the prior art leaves magnetic since the driving motor of rotating mechanism is difficult to reach refrigerator doors
The required torque of suction force range is sealed, if increasing the output torque of driving motor, will increase the volume of rotating mechanism, and be easy
Cause selling at exorbitant prices；Furthermore when refrigerator doors leave magnetic envelope suction force range, refrigerator doors are driven since magnetic seals suddenly disappearing for suction
The output torque of dynamic motor can not be adjusted in time, and the rotating torque that refrigerator doors are subject to can be caused excessive, cause refrigerator doors significantly
Unexpected movement, be unfavorable for the unlatching of refrigerator doors and the service life of refrigerator.
Invention content
One of the objects of the present invention is to provide a kind of door opening/closing apparatus of refrigerator, to improve the automation of refrigerator switch gate
Degree reduces the structure complexity of refrigerator door opening and closing mechanism and reduces cost.
Another object of the present invention is to provide a kind of refrigerators, improve the degree of automation of refrigerator, improve refrigerator user
User experience.
Another object of the present invention is to provide a kind of door opening method of refrigerator, the automation of refrigerator open is improved, ice is made
Case opens the door simple and convenient.
Another object of the present invention is to provide a kind of shutdown method of refrigerator, the automation that refrigerator is closed the door is improved, ice is made
Case shutdown straightforward procedure.
To achieve the above object, the present invention uses following technical proposals：
A kind of door opening/closing apparatus of refrigerator, including ejecting mechanism further include：
Rotary drive mechanism is set at the articulated shaft of refrigerator doors, and the rotary drive mechanism includes sequentially connected
One driving motor and transmission component, the transmission component include gear-driven assembly and Worm Wheel System component, the worm gear
The worm screw of worm-drive component is set on the output shaft of first driving motor and is engaged with worm gear, the gear drive group
Part includes Multi-stage transmission gear, and the input terminal of the Multi-stage transmission gear is engaged with the worm gear, on the gear-driven assembly
It is provided with overload protective device；
Spinning movement part is connect with the output end of the transmission component and with the refrigerator doors, the spinning movement respectively
The axis of rotation of part is coaxially disposed with the articulated shaft.
Further, the gear-driven assembly includes the first gear engaged successively, second gear, third gear,
Four gears and the 5th gear, the first gear are engaged with the worm gear, and the first gear and the 4th gear are
Duplicate gear, the 5th gear engage connection with the spinning movement part.
Further, the overload protective device is torque force limiting device, and the torque force limiting device is fixed on the third gear
Central shaft on, the third gear includes the first tooth and the second tooth of coaxial arrangement, first tooth and second tooth point
It is not fixed on the upper side and lower side of the torque force limiting device.
Further, the central shaft of the third gear is provided with limiting plate, the limit close to one end of first tooth
It is arranged between position plate and first tooth and has elastic component, one end of the elastic element is fixedly connected with the limiting plate, separately
One end is abutted with the end face of first tooth.
Further, further include detection components, the detection components include for detecting the rotary drive mechanism movement
First current detection module of state, the second current detection module for detecting the ejecting mechanism operating status and for examining
Survey the first angle sensor of refrigerator doors folding condition.
A kind of refrigerator, including refrigerator main body and refrigerator doors, the refrigerator door hinge are connected on the refrigerator main body side, further include
Door opening/closing apparatus as described above, the door opening/closing apparatus are arranged on the top of the refrigerator main body, the top of the ejecting mechanism
Go out portion to be configured as abutting with the refrigerator doors.
A kind of door opening method applied to above-mentioned refrigerator includes the following steps：
Door open command is received, refrigerator door state is detected；
When the refrigerator doors are in magnetic envelope suction force range, the ejecting mechanism executes ejection action；
The ejection operating status for detecting the ejecting mechanism regulates and controls the ejecting mechanism according to the ejection operating status
Action；
After the refrigerator doors, which leave magnetic, seals suction force range, rotating mechanism executes the action that turns to open；
Under default enabling stop condition, turn to open action described in the rotating mechanism stopping.
Further, the ejection operating status for detecting the ejecting mechanism, according to ejection operating status regulation and control
The action of ejecting mechanism is specially：
Detect the refrigerator doors whether by external force blocking, the refrigerator doors whether by the open-top and described ejecting mechanism whether
Ejection is to default ejection stroke, and when the refrigerator doors are stopped by external force, the ejecting mechanism resets and repeats ejection, and works as
When the number for repeating ejection is more than default ejection number, alarm is sent out；When the ejecting mechanism is ejected to the default top
When going out stroke, the ejecting mechanism resets.
Further, the default enabling stop condition include receive external instruction of closing the door, the refrigerator doors by with
The different external force in enabling direction and the refrigerator doors are opened into default open angle.
When the refrigerator doors are by the external force opposite with the enabling direction, the refrigerator doors are closed, and the rotation is driven
Dynamic reset.
A kind of shutdown method applied to above-mentioned refrigerator comprises the following steps：
Under the conditions of default shutdown, rotating mechanism executes rotation shutdown action；
Under default shutdown stop condition, the rotating mechanism stops the rotation shutdown action；
Wherein, the default shutdown condition is instructed including receiving external shutdown, the refrigerator doors unlatching duration surpasses
Default enabling duration and/or the refrigerator doors are crossed by external force identical with refrigerator doors shutdown direction；
The default shutdown stop condition include receive external door open command, the refrigerator doors by with shutdown direction phase
Anti- external force and/or the refrigerator doors are closed to default shutdown angle.
The beneficial effects of the present invention are：
The door opening/closing apparatus of refrigerator provided by the invention can make opening for refrigerator by the way that ejecting mechanism and rotating mechanism is arranged
Refrigerator doors are ejected magnetic by ejecting mechanism and sealed in suction force range by closing device, and after refrigerator doors ejection, pass through rotating mechanism band
Dynamic refrigerator doors are turned on and off, and without using the completely open-top refrigerator doors of ejecting mechanism, reduce the size of ejecting mechanism；
And after refrigerator doors are ejected magnetic envelope suction force range, the external force being subject to is smaller, i.e., rotating mechanism can use smaller torque to drive ice
Chamber door rotates, and reduces performance requirement of the rotating mechanism to drive component；It is driven, is being reduced by using gear drive group
While the rotating speed of first driving motor, it is possible to increase the torque of transmission, to further decrease the requirement to the first driving motor,
Reduce cost；By the way that overload protective device is arranged in gear drive group, overload protection can be realized to rotating mechanism, avoid external force
It is unexpected effect motor and transmission component are damaged；By the way that detection components and control assembly is arranged, can to ejecting mechanism,
The operating status of rotating mechanism and refrigerator doors is detected, and improves the automatic opening and closing door performance of the door opening/closing apparatus of refrigerator.
The automatic switch of refrigerator may be implemented by using the door opening/closing apparatus of above-mentioned refrigerator in refrigerator provided by the invention
Door, facilitates the handicapped crowd such as old man, child or disabled person, and can liberate the both hands of user, improves user's
User experience；And overall structure is simple, reduces the cost for realizing refrigerator automatic switch gate.
Refrigerator open method provided by the invention can at least realize that the automation of refrigerator doors is opened, improve user
User experience.
Refrigerator shutdown method provided by the invention, the automation that refrigerator doors may be implemented are closed, and the use of user is improved
It experiences at family.
Description of the drawings
Fig. 1 is the structural schematic diagram of refrigerator provided in an embodiment of the present invention；
Fig. 2 is the part-structure schematic diagram of rotary drive mechanism provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of torque force limiting device provided in an embodiment of the present invention；
Fig. 4 is the part-structure schematic diagram of refrigerator provided in an embodiment of the present invention.
It is marked in figure as follows：
1- refrigerator main bodies；11- threading holes；
2- refrigerator doors；21- conducting wires；22- hollow shafts
3- ejecting mechanisms；
4- rotary drive mechanisms；411- bottom plates；412- closing lids；The first driving motors of 42-；431- worm screws；432- worm gears；
433- first gears；434- second gears；The first teeth of 4351-；The second teeth of 4352-；The 4th gears of 436-；The 5th gears of 437-；
45- cable ports；46- torque force limiting devices；47- elastic elements；48- limiting plates；
5- hollow wheels；
6- revolving parts；The first positioning regions 61-；62- latches；
71- first angle sensors.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is the structural schematic diagram of refrigerator provided in an embodiment of the present invention, as shown in Figure 1, refrigerator provided in this embodiment
Including refrigerator main body 1, refrigerator doors 2 and be arranged on refrigerator main body 1 and act on refrigerator doors 2 refrigerator door opening/closing apparatus,
Door opening/closing apparatus includes ejecting mechanism 3, rotary drive mechanism 4, detection components and control assembly.Wherein, refrigerator doors 2 pass through hinged
Axis is articulated with the side of refrigerator main body 1, so that refrigerator doors 2 can be rotated relative to refrigerator main body 1, to open or close refrigerator；Ejection
Mechanism 3 is arranged at the top of refrigerator main body 1, and suction force range is sealed for refrigerator doors 2 to be ejected magnetic；The setting of rotary drive mechanism 4 exists
1 top of refrigerator main body, and output end is connect with refrigerator doors 2, for driving refrigerator doors 2 to rotate, refrigerator doors 2 is made to open or close；
Detection components are used to detect the folding condition of refrigerator doors 2 and the operating status of ejecting mechanism 3 and rotary drive mechanism 4；Control group
Part is used to receive the detection signal of detection components and controls ejecting mechanism 3 and rotary drive mechanism 4.
Refrigerator described in the present embodiment can be side by side combination refrigerator, or simple gate refrigerator.When refrigerator is opposite opened
When refrigerator, each refrigerator doors 2 are correspondingly arranged a set of ejecting mechanism 3 and rotary drive mechanism 4, and ejecting mechanism 3 is arranged in refrigerator
The side of 2 articulated shafts far from refrigerator doors 2 of door, rotary drive mechanism 4 are positioned close to the side of articulated shaft；Two can also be used
A refrigerator doors 2 share an ejecting mechanism 3 setting, enable the same ejecting mechanism 3 by two refrigerator doors 2 simultaneously or separately
It is open-top.When refrigerator is simple gate refrigerator, a rotary drive mechanism 4 and an ejecting mechanism 3 are provided only on refrigerator, and rotate
Driving mechanism 4 is arranged in refrigerator doors 2 close to the side of articulated shaft, and ejecting mechanism 3 is preferably provided at one far from its rotation center
Side；Can also multiple ejecting mechanisms 3 be set at the width direction interval of 1 upper edge refrigerator doors 2 of refrigerator main body, to reduce each ejection
Mechanism 3 pushes load.In the present embodiment, by taking opposite opened refrigerator as an example, and for one be arranged in one of refrigerator doors 2
For set ejecting mechanism 3 and rotary drive mechanism 4.
Specifically, ejecting mechanism 3 provided in this embodiment includes driving portion and ejection part, and wherein driving portion is fixedly connected on
The upper surface of refrigerator main body 1, ejection part are connect with driving portion, and can be ejected along perpendicular to the direction of refrigerator doors 2 with respect to driving portion
Or retract, so that driving portion one end contacts with refrigerator doors 2 and pushes refrigerator doors 2.In the present embodiment, driving portion can be hydraulic pressure
Cylinder main body, ejection part are the piston rod construction of hydraulic cylinder；Driving portion can also include the second driving motor and drive electricity by second
The rack-and-pinion for being converted into ejection part translational motion of machine, wherein the second driving motor can be direct current generator.
Fig. 2 is the part-structure schematic diagram of rotary drive mechanism 4 provided in an embodiment of the present invention, as illustrated in fig. 1 and 2, this
The rotary drive mechanism 4 that embodiment provides includes mainly bottom plate 411, closing lid 412 (Fig. 2 is not shown), drive component and transmission group
Part.Bottom plate 411 is fixed on the upper surface of refrigerator main body 1, and bottom plate 411 and the connection of closing lid 412 have cooperatively formed accommodating driving group
The accommodating case of part and at least partly transmission component；Drive component and transmission component are fixed on bottom plate 411, and the one of transmission component
End is connected to drive component, and the other end is connected with the turning effort part being fixedly connected with refrigerator doors 2, drive component is made to pass through transmission
Component drives the rotation of turning effort part, so that turning effort part drives refrigerator doors 2 to rotate.
Specifically, drive component can be the first driving motor 42, and the output end of the first driving motor 42 connects transmission group
Part.First side of the driving motor 42 far from transmission component is provided with cable port 45, for connecting 42 He of the first driving motor
Cable connection between control assembly.
Transmission component includes turbine and worm transmission group and gear drive group, and wherein worm screw 431 is set in the first driving motor
On 42 output shaft, turbine 432 engages connection with worm screw 431.Gear drive group includes Multi-stage transmission gear, is driven with reducing first
The rotating speed of dynamic motor 42 and the output torque for improving motor.Specifically, gear drive group provided in this embodiment includes to nibble successively
First gear 433, second gear 434, third gear 435, the 4th gear 436 and the 5th gear 437 of conjunction, wherein the first tooth
Wheel 433 is engaged with turbine 432, is driven and is rotated by turbine 432.For decelerating effect is better achieved, turbine 432 includes coaxial arrangement
Third tooth and the 4th tooth, wherein the number of teeth of the 4th tooth is less than the number of teeth of third tooth, and third tooth is engaged with worm screw 431, the 4th
Tooth is engaged with third gear 435；First gear 433, the 4th gear 436 are duplicate gear, and the number of teeth is more in duplicate gear
Teeth portion engaged with upper level gear, the less teeth portion of the number of teeth is engaged with next stage gear；5th gear 437 includes coaxial up and down
The 5th tooth being arranged and the 6th tooth, and the 5th tooth is engaged with the 5th gear 437, the 6th tooth is engaged with turning effort part.
When the first driving motor 42 rotates, the rotation of the first driving motor 42 is converted to turning effort via transmission component
The rotation of part, and the rotating speed of transmission component output is reduced by transmission component, the torque of output is improved, to reduce pair
The requirement of the rotating speed and torque of first driving motor 42, you can be obtained using the first driving motor 42 of high rotating speed, small torque
The slow-speed of revolution, large torque output quantity, so as to reduce the volume and cost of the first driving motor 42.
Fig. 3 is the structural schematic diagram of torque force limiting device 46 provided in an embodiment of the present invention, as shown in Figures 2 and 3, to prevent
During switch gate, foreign impacts power is acted on suddenly in refrigerator doors 2, and transmission component and drive component is made to be rushed by larger
Torque is hit, overload protective device is provided on rotary components.Specifically, torque force limiting device 46 is provided on third gear 435, the
Three gears 435 include the first tooth 4351 and the second tooth 4352 being coaxially disposed up and down.Torque force limiting device 46, which is set in, is fixed on bottom
In the fixing axle of plate 411, the both sides up and down of torque force limiting device 46 are arranged the first tooth 4351 and the second tooth 4352 respectively, when third tooth
In normal range (NR), the upper and lower sides of torque force limiting device 46 are integrated the torque that wheel 435 is subject to, and drive the first tooth 4351 and second
Tooth 4352 rotates simultaneously；When the torque that third gear 435 is subject to exceeds normal range (NR), between the upper and lower sides of torque force limiting device 46
Skidding is generated, the upper and lower sides of torque force limiting device 46 is made to detach, meanwhile, upside drives the first tooth 4351 to be transported upwards along fixing axle
Dynamic, downside drives the second tooth 4352 to be moved downward along fixing axle, to make torsion can not be in the first tooth 4351 and the second tooth 4352
Between transmit, that is, protect drive component and the gear between drive component and third gear 435 and worm and gear component.
To prevent the first tooth 4351 from scurrying out outside fixing axle, the upper end of fixing axle is provided with limiting plate 48, limiting plate 48 and
Setting has elastic component 47 between one tooth 4351, and one end of elastic element 47 is fixedly connected with limiting plate 48, the other end and first
Tooth 4351 abuts.The setting of elastic element 47 can prevent the first tooth 4351 from unexpected play is occurred by high torque and hit limit
Position plate 48 can play the movement of the first tooth 4351 of buffering and assist the reset response of torque force limiting device 46 and the first tooth 4351.
In the present embodiment, elastic element 47 is spring, and spring is set in fixing axle.Equally, to prevent the second tooth 4352 from altering downwards
Dynamic to hit bottom plate 411, restraining position ring block is arranged close to one end of bottom plate 411 in fixing axle, and spacing ring is preferably elastic material, Ke Yiqi
To shock absorbing, the effect for avoiding the second tooth 4352 from damaging.
Fig. 4 is the part-structure schematic diagram of refrigerator provided in an embodiment of the present invention, as shown in figure 4, due to leading in refrigerator doors 2
Lighting device or other electrical installations can be often set, therefore, need that conducting wire 21 is arranged in refrigerator doors 2, for connecting refrigerator main body 1
On power supply and refrigerator doors 2 on electrical installation.To make conducting wire 21 facilitate connection and arrangement, and the setting of conducting wire 21 is made not influence
The operation of rotary drive mechanism 4, while ensureing that conducting wire 21 is not pullled or worn during refrigerator switch gate, in the present embodiment
Articulated shaft include hollow shaft 22, the upper surface of refrigerator doors 2 is stretched out in one end of hollow shaft 22, makes the conducting wire 21 at refrigerator doors 2 can
To be pierced by refrigerator doors upper end by hollow shaft 22.
Turning effort part in the present embodiment includes revolving part 6 and hollow wheel 5, and the fixation of hollow wheel 5 is set in hollow shaft 22
On, and engaged with the output end of rotary drive mechanism 4.Conducting wire 21 can pass through hollow shaft 22 and hollow wheel 5, and closing lid 412 and lean on
The side of nearly refrigerator doors 2 offer for conducting wire 21 by hole, to make the conducting wire 21 for being pierced by hollow shaft 22 and hollow wheel 5 enter
In accommodating chamber.Refrigerator main body 1 is provided with threading hole 11 in side of the rotary drive mechanism 4 far from refrigerator doors 2, close in accommodating case
The position of threading hole 11 is provided with the hole that conducting wire 21 is pierced by, for the conducting wire 21 in accommodating case to be connected to inside refrigerator main body 1
Circuit control mechanism in.For make enter accommodating case in conducting wire 2 do not interfered with rotary drive mechanism 4, closing lid 412 it is interior
The top or side of side are provided with cabling access.
By the way that hollow shaft 22 and hollow wheel 5 are arranged at door hinge axis, and hollow shaft 22 and the central axis of hollow rotation 5 are equal
It is overlapped with the rotation center of refrigerator doors 2, to which conducting wire 21 will not being turned on and off and move with refrigerator doors 2, i.e. refrigerator doors 2
Movement will not generate conducting wire 21 and pull or rub, and improve the service life and safety in utilization of conducting wire 21.Hollow wheel 5 and rotation
The output end engagement for turning driving mechanism 4, makes hollow wheel 5 not only act as the effect worn and connect conducting wire 21, also acts as and transmit rotating speed and torsion
The mechanism on refrigerator is adequately and reasonably applied in the effect of square.And since conducting wire 21 penetrates threading hole by accommodating chamber
In 11, so that the most of structure of conducting wire 21 is hidden by other structures, improve the security performance of conducting wire 21 and the cleaning of wiring, and
Wire structures and switching case structure need not be additionally set, the overall structure of refrigerator is simplified.
In the present embodiment, it is gear 5, hollow wheel 5 that rotary drive mechanism 4, which uses gear-driven form, output end,
For hollow wheel gear.In other embodiments, rotary drive mechanism can also use other forms, such as sprocket wheel chain transmission, skin
V belt translation etc..When rotary drive mechanism is driven using sprocket wheel chain, hollow wheel 5 is sprocket wheel；When rotary drive mechanism uses skin
When V belt translation, hollow wheel 5 is belt pulley.Rotary drive mechanism 4 and hollow wheel 5 can also use other driving forms, as long as
Rotary drive mechanism 4 can drive hollow wheel 5 to rotate, and hollow wheel 5 can be set in hollow shaft 22 and above-mentioned purpose can be achieved.
In the present embodiment, the fixation of hollow wheel 5 is set in hollow shaft 22, and hollow revolving part 5 and 22 interference of hollow shaft
Cooperation.In other embodiments, hollow wheel 5 can be wholely set with hollow shaft 22.
Revolving part 6 is equally set in hollow shaft 22, and revolving part 6 is platy structure, includes the connect with hollow wheel 5
One interconnecting piece and the second connecting portion being connect with refrigerator doors 2.First connecting portion is arranged between bottom plate 411 and hollow wheel 5, and the
It is provided with the first positioning region 61 on one interconnecting piece, the second positioning region coordinated with the first positioning region 61 is provided in hollow wheel 5.Tool
Body, the first positioning region 61 is positioning column, and the second positioning region is the location hole through 5 upper and lower end face of hollow wheel, and first positions
Portion 61 and second it is multiple along being provided at circumferentially spaced for the center of rotation of hollow wheel 5.In other embodiments, can also make
First positioning region 61 is location hole, and the second positioning region is positioning column, if can realize first connecting portion and hollow wheel 5 connection and
The structure of positioning can.
The side of second connecting portion is arcuate structure, and latch 62 is provided on arc circumferential surface.2 upper surface of refrigerator doors corresponds to card
The position of tooth 62 is provided with card slot, and latch 62 is located in card slot, and is clamped with the cooperation of card slot, to make turning for second connecting portion
Dynamic movement can drive the rotation of refrigerator doors 2.To reduce the stress of single latch 62, multiple cards are arranged at intervals in second connecting portion
Tooth 62 is correspondingly arranged on multiple card slots in refrigerator doors 2.In the present embodiment, the number of latch 62 and card slot is two, at it
In his embodiment, the number of latch 62 and card slot can be three, four or multiple.
Detection components include the second current sensor for detecting 3 second driving motor of ejecting mechanism and for detecting rotation
Turn the first current sensor of 4 first driving motor of driving mechanism, 42 electric current.Since when motor load increases, electric current is increased
Principle, the current value that can be detected by the first current sensor and the second current sensor, judges in refrigerator switch gate process
In whether encounter barrier.Detection components further include the first angle sensor 71 for detecting 2 opening degree of refrigerator doors, specifically
Ground, first angle sensor 51 are arranged on the 5th gear 437, and the rotational angle by detecting the 5th gear 437 obtains refrigerator
The rotational angle of the refrigerator main body 1 relatively of door 2, to judge the opening degree size of refrigerator doors 2.Detection components further include for judging
The reset detection module whether ejecting mechanism 3 and rotary drive mechanism 4 reset.
In the present embodiment, the operation shape of the first driving motor 42 and the second driving motor is judged by current sensor
State can also carry out state-detection by detection devices such as torque sensor, voltage sensors in other embodiments.At this
In embodiment, by first angle sensor 51 detect refrigerator doors 2 opening degree, in other embodiments, can also by away from
From the opening degree that sensor etc. detects refrigerator doors 2.
Control assembly includes information transmission modular, power supply module and drive module etc..Information transmission modular and detection components
Connection and drive module receive detection signal and the external action instruction of detection components, and according to detection signal or external action
It instructs and is instructed to drive module sending action.Information transmission modular may include the switch button being arranged on refrigerator, and/or even
Connect bluetooth communication module, the wireless communication module of mobile terminal, or the speech recognition being arranged on refrigerator and communication module etc..It drives
Dynamic model block link information transmission module and the first driving motor 42 and the second driving motor are sent for receiving information transmission modular
Action command and drive the first driving motor 42 and the second driving motor action；Power supply module connects 42 He of the first driving motor
Second driving motor for providing electric power support to the first driving motor 42 and the second driving motor, and controls the first driving electricity
The break-make of machine 42 and the second driving motor.Control assembly further includes the alarm module alarmed for abnormal conditions.
The embodiment of the present invention additionally provides a kind of door opening method for above-mentioned refrigerator, is as follows：
Step 1：Door open command is received, the state of refrigerator doors 2 is detected；
User sends door open command, and control assembly receives door open command and controls the action of ejecting mechanism 3；
Door open command is sent to control assembly for the switch button by being arranged on refrigerator, or to speech recognition and is led to
Interrogate module and send switch gate instruction to control assembly, or by the communication modes such as bluetooth, wireless by mobile terminal to control group
Part sends door open command.After control assembly receives door open command, the state of refrigerator doors 2 is detected, suction is sealed when refrigerator doors 2 are in magnetic
When in range, step 2 is executed；When refrigerator doors 2, which leave magnetic, seals suction force range, step 3 is executed.
Step 2：Ejecting mechanism 3 executes ejection action, detects and regulate and control the ejection operating status of ejecting mechanism 3 in real time；
When refrigerator doors 2 are in magnetic envelope suction force range, control assembly controls ejecting mechanism 3 and moves, and refrigerator doors 2 are pushed up
Go out outside magnetic envelope suction force range.Specifically, the second driving motor of control action.
During ejecting mechanism 3 executes ejection action, detection components detect the operating status of ejecting mechanism, control machine
Structure regulates and controls the action of ejecting mechanism 3 according to the detection information of detection components.Specifically：If the detected value position of the second current sensor
In the first predetermined current range, ejecting mechanism 3 drives knock-pin persistently to eject；If the detected value of the second current sensor is higher than the
One pre-set current value, then control assembly judge refrigerator doors 2 by with the opposite outer force effect in ejection direction, control assembly control controls
The knock-pin of ejecting mechanism 3 processed retracts and repeats ejection, and it is more than that default repetition ejects number, control assembly control to eject number again
Alarm module processed sends out alarm.
After the ejection part of ejecting mechanism 3 ejects preset length, control assembly controls ejecting mechanism 3 and resets.Specifically, if
The driving portion of ejecting mechanism 3 is the second driving motor, then can be by the way that second angle is arranged on the output shaft of the second driving motor
Sensor detects the angle of the second driving motor rotation to detect the length of ejection part ejection；If driving portion is hydraulic cylinder etc.,
The length of displacement sensor detection ejection can be set on ejection part；Or driving is preset directly in the drive module of control assembly
The rotation angle range or operation stroke in portion.After control assembly sends out 3 reset command preset time of ejecting mechanism, first resets inspection
Survey whether module detection ejecting mechanism 3 resets, if ejecting mechanism 3 does not reset, control assembly control alarm module sends out alarm.
Step 3：Rotary drive mechanism 4 executes the action that turns to open.
Refrigerator doors 2 can seal suction force range far from magnetic envelope suction force range for refrigerator doors 2 are ejected magnetic by ejecting mechanism 3, or
Suction force range is sealed by thinking that manually opened refrigerator doors 2 leave magnetic.
After refrigerator doors 2 seal suction force range far from magnetic, control assembly controls rotary drive mechanism 4 and acts, and detection components are real
When detect turn to open state and the refrigerator doors folding condition of rotary drive mechanism 4, control assembly according to the state of turning to open and
Refrigerator doors folding condition regulates and controls the action of rotary drive mechanism 4.
Specifically, control assembly drives rotary drive mechanism 4 to act by drive module, and the first current detection module is real-time
The electric current of the first driving motor 42 is detected, first angle detection module detects the angle of the opening of refrigerator doors 2 in real time：If the first electric current
The detected value of detection module is located in preset second level current range, and the angle that refrigerator doors 2 are opened is less than predetermined angle, then
Control assembly controls 4 perseveration of rotary drive mechanism；If the detected value of the second current detection module is higher than preset second level
Current value, and the angle value of second angle detection module detection is equal to default open angle value, then judge refrigerator doors 2 by with open
Door direction opposite effect power, control assembly control 4 stop motion of rotary drive mechanism；The angle of second angle detection module detection
Angle value is equal to default open angle value, and the angle value of second angle detection module detection is equal to default open angle value, then sentences
Disconnected refrigerator doors 2 are opened completely, and control assembly control rotary drive mechanism 4 stops operating.
It is detected above by the electric current of first the first driving motor of current detection module pair 42, to judge that rotation is driven
During motivation structure 4 drives the rotation of refrigerator doors 2 to open the door, the force-bearing situation of refrigerator doors 2 and the operation shape of rotary drive mechanism 4
Condition.When refrigerator doors 2 are stopped in opening process, if the blocking is only to hinder continuing on for refrigerator doors 2, driving is rotated
Mechanism 4 is out of service；If the blocking makes refrigerator doors 2 have the trend for making refrigerator doors 2 close, and rotary drive mechanism 4 stops rotation
Turn door opening action, and refrigerator doors 2 is driven to close.
The embodiment of the present invention additionally provides a kind of shutdown method of refrigerator, is as follows：
Step 1：Under the conditions of default shutdown, rotary drive mechanism 4 executes rotation shutdown action；
Presetting shutdown condition is：Information transmission modular in control assembly receive external instruction of closing the door, refrigerator doors 2 by
External force identical with shutdown direction or refrigerator doors 2 open the duration more than the default enabling duration in control assembly.
Instruction of closing the door can be sent by the switch button on refrigerator to control assembly, or pass through speech recognition and communication mould
Block sends switch gate instruction to control assembly, or is sent out to control assembly by mobile terminal by the communication modes such as bluetooth, wireless
Send door open command.It is specially that control assembly sends shutdown action to drive module that control assembly, which controls the work of rotary drive mechanism 4,
Instruction, drive module drive the first drive component action in rotary drive mechanism 4.
Step 2：Under default shutdown stop condition, rotary drive mechanism 4 stops rotating shutdown action.
Detection components detect the shutdown operating status of rotary drive mechanism 4 in real time, and control assembly regulates and controls according to testing result
The action of rotary drive mechanism 4, and under default shutdown stop condition, rotary drive mechanism 4 stop rotating shutdown action.
Specifically, the current value that the first driving mechanism is detected using the first current sensor, using first angle sensor
The angle value that 51 detection refrigerator doors 2 are opened：
When detection current value is located in third electric current preset range, and detection angles value is less than default shutdown angle value,
Then control assembly control rotary drive mechanism 4 works on；
When detection current value judges more than third pre-set current value if detection angles value is less than default shutdown angle value
By the external force opposite with shutdown direction, control assembly controls the second drive component and stops close door procedure and start ice refrigerator doors 2
Case open door procedure；If detection angles value is equal to default shutdown angle value, judge that refrigerator doors 2 have been switched off, control assembly control
4 stopping of rotary drive mechanism acts；If detection angles value is equal to default open angle value, control assembly controls alarm module hair
Go out alarm.
That is, above-mentioned default shutdown stop condition is：Refrigerator doors 2 are closed by the external force or refrigerator doors 2 opposite with shutdown direction
It closes to default shutdown angle.And in door closing procedure, when receiving external door open command, rotary drive mechanism 4 equally stops closing
Door spinning movement, and execute enabling spinning movement.
Preferably, when refrigerator doors 2 in closing process by the external force opposite with shutdown direction, and the external force can provide ice
The trend that chamber door 2 opens the door, then rotary drive mechanism 4 stop rotating shutdown action, and refrigerator doors 2 is driven to continue on.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (11)
1. a kind of door opening/closing apparatus of refrigerator, including ejecting mechanism (3), which is characterized in that further include：
Rotary drive mechanism (4), is set at the articulated shaft of refrigerator doors (2), and the rotary drive mechanism (4) includes being sequentially connected
The first driving motor (42) and transmission component, the transmission component includes gear-driven assembly and Worm Wheel System component,
The worm screw (431) of the Worm Wheel System component is set on the output shaft of first driving motor (42) and and worm gear
(432) it engages, the gear-driven assembly includes Multi-stage transmission gear, input terminal and the worm gear of the Multi-stage transmission gear
(432) it engages, overload protective device is provided on the gear-driven assembly；
Spinning movement part is connect with the output end of the transmission component and with the refrigerator doors (2), the spinning movement part respectively
Axis of rotation and the articulated shaft be coaxially disposed.
2. door opening/closing apparatus according to claim 1, which is characterized in that the gear-driven assembly includes engaging successively
First gear (433), second gear (434), third gear (435), the 4th gear (436) and the 5th gear (437), described
One gear (433) is engaged with the worm gear (432), and the first gear (433) and the 4th gear (436) are duplex
Gear, the 5th gear (437) engage connection with the spinning movement part.
3. door opening/closing apparatus according to claim 2, which is characterized in that the overload protective device is torque force limiting device
(46), the torque force limiting device (46) is fixed on the central shaft of the third gear (435), and the third gear includes coaxial
The first tooth (4351) and the second tooth (4352) being arranged, first tooth (4351) and second tooth (4352) are individually fixed in
The upper side and lower side of the torque force limiting device (46).
4. door opening/closing apparatus according to claim 3, which is characterized in that the central shaft of the third gear (435) is close
One end of first tooth (4351) is provided with limiting plate (48), is set between the limiting plate (48) and first tooth (4351)
Be equipped with elastic element (47), one end of the elastic element (47) is fixedly connected with the limiting plate (48), the other end with it is described
The end face of first tooth (4351) abuts.
5. door opening/closing apparatus according to claim 1, which is characterized in that further include detection components, the detection components packet
Include the first current detection module for detecting the rotary drive mechanism (4) motion state, for detecting the ejecting mechanism
Second current detection module of operating status and first angle sensor (51) for detecting refrigerator doors folding condition.
6. a kind of refrigerator, including refrigerator main body (1) and refrigerator doors (2), the refrigerator doors (2) are hinged on the refrigerator main body (1)
Side, which is characterized in that further include door opening/closing apparatus as described in any one in claim 1-5, the door opening/closing apparatus setting
Top in the refrigerator main body (1), the ejection part of the ejecting mechanism (3) are configured as abutting with the refrigerator doors (2).
7. a kind of door opening method of refrigerator as claimed in claim 6, which is characterized in that include the following steps：
Door open command is received, refrigerator doors (2) state is detected；
When the refrigerator doors (2) are in magnetic envelope suction force range, the ejecting mechanism (3) executes ejection action；
The ejection operating status for detecting the ejecting mechanism (3) regulates and controls the ejecting mechanism (3) according to the ejection operating status
Action；
After the refrigerator doors (2), which leave magnetic, seals suction force range, rotating mechanism (4) executes the action that turns to open；
Under default enabling stop condition, turn to open action described in rotating mechanism (4) stopping.
8. door opening method according to claim 7, which is characterized in that detect the ejection operation shape of the ejecting mechanism (3)
State, the action for regulating and controlling the ejecting mechanism (3) according to the ejection operating status are specially：
Detect whether the refrigerator doors (2) are stopped by external force, whether the refrigerator doors (2) are by the open-top and described ejecting mechanism
(3) whether eject to default ejection stroke, when the refrigerator doors (2) are stopped by external force, the ejecting mechanism (3) resets simultaneously
It repeats to eject, and when the number for repeating ejection is more than default ejection number, sends out alarm；When the ejecting mechanism (3)
When ejection is to the default ejection stroke, the ejecting mechanism (3) resets.
9. door opening method according to claim 7, which is characterized in that the default enabling stop condition includes outside receiving
Portion's shutdown instruction, the refrigerator doors (2) are opened into default open by with the different external force in enabling direction and the refrigerator doors (2)
Door angle.
10. door opening method according to claim 9, which is characterized in that when the refrigerator doors (2) by with the enabling side
When to opposite external force, the refrigerator doors (2) are closed, and the rotary drive mechanism (4) resets.
11. a kind of shutdown method of refrigerator as claimed in claim 7, which is characterized in that comprise the following steps：
Under the conditions of default shutdown, rotating mechanism executes rotation shutdown action；
Under default shutdown stop condition, the rotating mechanism stops the rotation shutdown action；
Wherein, the default shutdown condition is instructed including receiving external shutdown, the refrigerator doors (2) the unlatching duration is more than
Default enabling duration and/or the refrigerator doors (2) are by external force identical with the refrigerator doors (2) shutdown direction；
The default shutdown stop condition include receive external door open command, the refrigerator doors (2) by with shutdown direction phase
Anti- external force and/or the refrigerator doors (2) are closed to default shutdown angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344201.1A CN108362071A (en) | 2018-04-17 | 2018-04-17 | A kind of door opening/closing apparatus of refrigerator, refrigerator, door opening method and shutdown method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344201.1A CN108362071A (en) | 2018-04-17 | 2018-04-17 | A kind of door opening/closing apparatus of refrigerator, refrigerator, door opening method and shutdown method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108362071A true CN108362071A (en) | 2018-08-03 |
Family
ID=63008628
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810344201.1A Pending CN108362071A (en) | 2018-04-17 | 2018-04-17 | A kind of door opening/closing apparatus of refrigerator, refrigerator, door opening method and shutdown method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108362071A (en) |
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| CN114541917B (en) * | 2022-02-11 | 2024-05-28 | 海信冰箱有限公司 | Refrigerator door opening and closing angle control method and refrigerator |
| CN114857832A (en) * | 2022-05-18 | 2022-08-05 | 珠海格力电器股份有限公司 | Refrigerator and control method thereof |
| CN114777385A (en) * | 2022-05-18 | 2022-07-22 | 珠海格力电器股份有限公司 | Automatic door opening and closing device of refrigerator, refrigerator and control method of refrigerator |
| CN116147273A (en) * | 2022-12-20 | 2023-05-23 | 珠海格力电器股份有限公司 | Automatic door opening and closing control method and device for refrigerator and refrigerator |
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Application publication date: 20180803 |