CN105423688B - A kind of refrigerator door opening angle detection means and refrigerator - Google Patents
A kind of refrigerator door opening angle detection means and refrigerator Download PDFInfo
- Publication number
- CN105423688B CN105423688B CN201510998854.8A CN201510998854A CN105423688B CN 105423688 B CN105423688 B CN 105423688B CN 201510998854 A CN201510998854 A CN 201510998854A CN 105423688 B CN105423688 B CN 105423688B
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- Prior art keywords
- installation cavity
- magnet
- opening angle
- refrigerator
- refrigerator door
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 51
- 230000008859 change Effects 0.000 claims abstract description 14
- 230000010365 information processing Effects 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 210000000567 greater sac Anatomy 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/02—Details of doors or covers not otherwise covered
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/02—Sensors detecting door opening
Abstract
The present invention relates to art of refrigeration units, more particularly to a kind of refrigerator door opening angle detection means and refrigerator.The refrigerator door opening angle detection means includes installation cavity, angular transducer, angle information processing unit and magnet；At the refrigerator door end cap and position corresponding with hinge component sets installation cavity, magnet is arranged on hinge component and stretched into installation cavity body, angular transducer is arranged in installation cavity body and in the magnetic field of magnet, magnet and hinge component are fixed during door body is opened, angular transducer rotates in installation cavity body as door body rotates, now angular transducer can perceive the strong and weak variable signal in magnetic field in magnets magnetic fields, angle information processing unit is arranged in installation cavity body and is connected with angular transducer, can be according to the opening angle information for the magnetic field power change information output door body that angular transducer perceives, so as to realize the detection of door body opening angle.
Description
Technical field
The present invention relates to art of refrigeration units, more particularly to a kind of refrigerator door opening angle detection means and refrigerator.
Background technology
At present, with the development of refrigerator technology, the intelligent management of article turns into a main developing direction in refrigerator,
Article image capturing system is set in refrigerator, turns into main research object to be monitored management to article in refrigerator, so
And the opening angle of door body can not detect in existing refrigerator, during opening the rotation of around hinge axle in door body, image
Acquisition system real-time and accurately can not comprehensively obtain the article storage state in refrigerator as door body rotates.
A kind of door body angular adjustment apparatus was once disclosed in the prior art (in such as Application No. 201410833593.X
State's patent application), but its purpose is mainly that the angle of door body is adjusted, the generation for preventing door body from colliding with can not be right
The angle that door body rotates is detected；In the prior art there is also with the sensor on refrigerator, but it is detection door body that it is mostly
Or the sensor of lid switch, the rotational angle of door body can not be detected, and complicated, installation inconvenience.
The content of the invention
(1) technical problems to be solved
It is an object of the invention to provide a kind of refrigerator door opening angle detection means and refrigerator to open refrigerator door
Angle is opened to be detected.
(2) technical scheme
In order to solve the above-mentioned technical problem, one aspect of the present invention provides a kind of refrigerator door opening angle detection means,
Including installation cavity, angular transducer, angle information processing unit and magnet；Hinge component is fixed with refrigerator body, is installed
Cavity is arranged at position corresponding with the hinge component at refrigerator door end cap；The magnet be arranged on hinge component on and
Stretching into the installation cavity body, the angular transducer is arranged in the installation cavity body and in the magnetic field of the magnet,
The angle information processing unit is arranged in the installation cavity body and passes through connection, the angle with the angular transducer
Degree information process unit passes through connection with images of items acquisition system.
Wherein, the angular transducer is Hall sensor.
Wherein, the angle information processing unit is Hall sensor surface-mounted integrated circuit, and the installation cavity is arranged at ice
At the bottom end cover of chamber door body, the Hall sensor surface-mounted integrated circuit is arranged at the top of the magnet.
Wherein, the Hall sensor is arranged on the Hall sensor surface-mounted integrated circuit, and relative with the magnet
Should.
Wherein, the Hall sensor surface-mounted integrated circuit is arranged on the top of the installation cavity, institute by fixing screws
State and be protruding with the screw base being engaged with the fixing screws at the top of installation cavity.
Wherein, offered on the installation cavity and cross line for what the circuit being connected with Hall sensor surface-mounted integrated circuit passed through
Hole.
Wherein, the lower end of the installation cavity is connected with cavity cover plate, and the screw base of protrusion, institute are provided with cavity cover plate
State Hall sensor surface-mounted integrated circuit to be arranged on the screw base by fixing screws, left on the cavity cover plate for hinge
The through hole that component passes through.
Wherein, cover plate is provided with the cavity cover plate and strengthens iron.
Wherein, the magnet is cylinder-shaped magnet, and the normal plane of the end face of the cylinder-shaped magnet divides cylinder-shaped magnet
For N poles and S poles, so as to perceive the strong and weak change in cylinder-shaped magnet magnetic field during angular transducer change in location.
Another aspect of the present invention provides a kind of refrigerator, and it includes above-mentioned refrigerator door opening angle detection means, institute
State and be provided with door closer between the end cap of door body and the hinge component.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the following advantages that：Refrigerator door opening angle detection means provided by the invention
And in refrigerator, at the refrigerator door end cap and position corresponding with the hinge component sets installation cavity, magnet is arranged on hinge
On chain component and stretch into the installation cavity body, the angular transducer is arranged in the installation cavity body and is located at the magnet
Magnetic field in, door body open during magnet and hinge component it is fixed (rotations of door body around hinge component), angle biography
Sensor rotates in installation cavity body as door body rotates, and now it is strong can to perceive magnetic field in magnets magnetic fields for angular transducer
Weak variable signal, angle information processing unit are arranged in the installation cavity body and are connected with the angular transducer, can be with
The opening angle information of the magnetic field power change information output door body perceived according to angular transducer, so as to realize door body opening angle
The detection of degree, and by the information conveyance to images of items acquisition system, and then article memory state in refrigerator can be supervised
Keyholed back plate is managed.
Brief description of the drawings
Fig. 1 is the structure sectional view of refrigerator door opening angle detection means of the embodiment of the present invention；
Fig. 2 is the magnetic pole schematic diagram of cylinder-shaped magnet in refrigerator door opening angle detection means of the embodiment of the present invention；
Fig. 3 is the operation principle signal of Hall sensor in refrigerator door opening angle detection means of the embodiment of the present invention
Figure；
Fig. 4 is the change in location of Hall sensor and magnet in refrigerator door opening angle detection means of the embodiment of the present invention
Schematic diagram；
Fig. 5 is the structural representation of hinge component in refrigerator door opening angle detection means of the embodiment of the present invention.
In figure, 1：Hall sensor；2：Cable-through hole；3：Hall sensor surface-mounted integrated circuit； 4：Cavity is installed；5：Cavity
Cover plate；6：Door closer；7：Hinge axis；8：Bottom end cover；9：Cover plate strengthens iron；10：Hinge shaft sleeve；11：Fixing screws；12：Cylinder
Shape magnet；101：Hall element.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.Following examples
For illustrating the present invention, but it is not limited to the scope of the present invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As shown in figure 1, refrigerator door opening angle detection means provided by the invention includes installation cavity 4, angle sensor
Device, angle information processing unit and magnet；Hinge component is fixed with refrigerator body, installation cavity 4 is arranged at refrigerator doors body end
At the lid and position corresponding with the hinge component, general cavity 4 of installing are arranged at the bottom end cover 8 of refrigerator door；Magnet
On hinge component and stretch into installation cavity 4, angular transducer is arranged in installation cavity 4 and above magnet
In magnetic field, angle information processing unit is arranged in installation cavity 4 and be connected with angular transducer, angle information processing unit and
Images of items acquisition system connects.Wherein, angular transducer is Hall sensor 1；Angle information processing unit is hall sensing
Device surface-mounted integrated circuit 3, Hall sensor surface-mounted integrated circuit 3 are arranged at the top of magnet.
Certainly the invention is not restricted to use Hall sensor 1, other kinds of angular transducer and corresponding can also be used
Surface-mounted integrated circuit.
In above-described embodiment, at the refrigerator door bottom end cover 8 and position corresponding with hinge component sets installation cavity 4,
Magnet is arranged on hinge component and stretched into installation cavity 4, and Hall sensor 1 is arranged in installation cavity 4 and is located at magnet
In the magnetic field of top, magnet and hinge component are fixed during door body is opened, and Hall sensor 1 is in installation cavity 4
Interior to be rotated as door body rotates, now Hall sensor 1 can perceive the strong and weak variable signal in magnetic field in magnets magnetic fields,
Hall sensor surface-mounted integrated circuit 3 is arranged in installation cavity 4 and is connected with Hall sensor 1, can be according to Hall sensor 1
The opening angle information of the magnetic field power change information output door body of perception, so as to realize the detection of door body opening angle, and will
The information conveyance can be monitored management to images of items acquisition system to article memory state in refrigerator.
Usually, refrigerator inside images of items collection associates with door body opening angle, when door body opens certain angular area
Between (be usually 40 °~60 °) when, utilize the integrated electricity of the Hall sensor 1 and Hall sensor being positioned in door body bottom end cover 8
Road plate 3 according to changes of magnetic field output angle relative value, with combination control method, control refrigerator inside images of items automatic data collection, can
So that user understands the article situation of refrigerator inside storage by client in real time.
Preferably, Hall sensor 1 is arranged on Hall sensor surface-mounted integrated circuit 3, so easy for installation, and structure is tight
Gather, integrated level is high；Hall sensor 1 is corresponding with magnet, with the magnetic field of magnet.
Preferably, Hall sensor surface-mounted integrated circuit 3 is arranged on the top of installation cavity 4, installation by fixing screws 11
The top of cavity 4 is protruding with the screw base being engaged with fixing screws 11, can be made by fixing screws 11 and the cooperation of screw base
Hall sensor surface-mounted integrated circuit 3 is firmly secured to install in cavity 4, and facilitates Hall sensor surface-mounted integrated circuit 3 and its
The setting of the position relationship of his part.
Further, the lower end for installing cavity 4 is connected with cavity cover plate 5 by buckle structure, certainly, on cavity cover plate 5
The screw base of protrusion is may be provided with, Hall sensor surface-mounted integrated circuit 3 is arranged on cavity cover plate 5 by fixing screws 11
On screw base, the through hole passed through for hinge component is left on cavity cover plate 5, can be made by fixing screws 11 and the cooperation of screw base
Hall sensor surface-mounted integrated circuit 3 is firmly secured to install in cavity 4, and facilitates Hall sensor surface-mounted integrated circuit 3 and its
The setting of the position relationship of his part.
As shown in Fig. 2 the magnet is specially cylinder-shaped magnet 12, the normal plane of the end face of cylinder-shaped magnet 12 is by cylinder
Shape magnet 12 divides for N poles and S poles, so as to perceive the strong and weak change in the magnetic field of cylinder-shaped magnet 12 during angular transducer change in location.
For a further understanding of the operation principle of cylinder-shaped magnet 12 of the present invention and Hall sensor 1, as shown in Figure 3 and Figure 4, Hall passes
In the distribution of each Hall element 101 of sensor 1 and the magnetic field of magnet, when the relative position of Hall element 101 and magnet changes
When, magnetic field power of the magnetic fields between each Hall element 101 has differences, on Hall sensor surface-mounted integrated circuit 3
Chip can calculate relative position of the magnet relative to Hall element 101, so as to obtain relative angle of rotation angle value；Need what is illustrated
It is the Hall sensor 1 and cylinder that the structure type of Hall element 101 and magnet shown in Fig. 3 and Fig. 4 does not represent the present invention
The structure type of magnet 12.
Further, as shown in figure 5, the hinge component in above-described embodiment includes hinge bodies, hinge shaft sleeve 10 and hinge
Axle 7, hinge bodies are fixedly mounted on the casing of refrigerator, and hinge shaft sleeve 10 is connected in hinge bodies, hinge axis 7 and hinge shaft sleeve 10
Secure fit.Cylinder-shaped magnet 12 is fixed on hinge shaft sleeve 10, and is interference fitted with hinge shaft sleeve 10, and cylinder-shaped magnet 12 is put
Certain interval is stayed to prevent interference damage Hall sensor 1 in motion in the lower section of Hall sensor 1, and with Hall sensor 1.
Specifically, hinge shaft sleeve 10 is assembled with hinge bodies by position limiting structure so that when door body rotates, Hall sensor 1
Rotated with together with door body around hinge axle sleeve 10, cylinder-shaped magnet 12 is fixed on fixed on hinge shaft sleeve 10.
In door body opening process, installation cavity 4, cavity cover plate 5, Hall sensor surface-mounted integrated circuit 3 are fixed with door body matches somebody with somebody
Unify around hinge axle sleeve 10 to rotate, magnet is fixed with hinge shaft sleeve 10 and remained stationary as, the angle when door body around hinge axle 7 rotates
Sensor follows door body to rotate together, and cylinder-shaped magnet 12 fixed on hinge component is motionless, and angular transducer is with door
Body rotates to produce relative rotation with the magnetic line of force of cylinder-shaped magnet 12, finally by Hall sensor surface-mounted integrated circuit 3 according to magnetic field
Change output angle relative value, then with combination control method, at this angle signal control refrigerator inside images of items acquisition system from
Dynamic collection refrigerator inside article photo of taking pictures, uploads high in the clouds storage real-time update, visitor can be utilized when user is not by refrigerator
Family end equipment understands the article situation of refrigerator inside storage in real time.
Preferably, installation cavity 4 is fitted together in advance before door foaming with door body bottom end cover 8, is installed and is offered on cavity 4
Cable-through hole 2, so as to pass through with the circuit that Hall sensor surface-mounted integrated circuit 3 is connected；Cover plate is provided with cavity cover plate 5 and strengthens iron
9, to strengthen the intensity of cavity cover plate 5.
Another aspect of the present invention additionally provides a kind of refrigerator, and it includes above-mentioned refrigerator door opening angle detection means,
Wherein, door closer 6 is provided between the bottom end cover 8 and hinge component of door body, to facilitate the automatic closing of door body；Employ above-mentioned
The refrigerator of refrigerator door opening angle detection means can realize the detection to the opening angle of refrigerator door, with reference in refrigerator
Images of items acquisition system, refrigerator inside images of items automatic data collection is controlled, user is understood in real time in refrigerator by client
The article situation of portion's storage.
In summary, in refrigerator door opening angle detection means provided by the invention and refrigerator, cylinder-shaped magnet 12 is pacified
In the hinge shaft sleeve 10 of hinge component, and stretch into installation cavity 4, Hall sensor 1 is arranged in installation cavity 4 and position
In the magnetic field of cylinder-shaped magnet 12, cylinder-shaped magnet 12 and hinge component are fixed during door body is opened, Hall
Sensor 1 rotates in installation cavity 4 as door body rotates, and now Hall sensor 1 can perceive in magnets magnetic fields
The strong and weak variable signal in magnetic field, Hall sensor surface-mounted integrated circuit 3 are arranged in installation cavity 4 and are connected with Hall sensor 1,
Can be according to the opening angle information for the magnetic field power change information output door body that Hall sensor 1 perceives, so as to realize door body
The detection of opening angle, and by the information conveyance to images of items acquisition system, and then can be to article memory state in refrigerator
Management is monitored, realizes the intelligent management of refrigerator；Especially with cylinder-shaped magnet 12, the normal plane of its end face will circle
Cylindrical magnetic iron 12 divides for N poles and S poles, and the strong and weak change in its magnetic field is perceived when preferably meeting 1 change in location of Hall sensor
Demand.
It the above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, without departing from the technical principles of the invention, some improvement and modification can also be made, these improvement and modification also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. refrigerator door opening angle detection means, it is characterised in that：Including installation cavity (4), angular transducer, angle Information process unit and magnet；Be fixed with hinge component on refrigerator body, installation cavity (4) be arranged at refrigerator door end cap with The corresponding position of the hinge component；The magnet is arranged on hinge component and stretched into the installation cavity (4), described Angular transducer is arranged in the installation cavity (4) and in the magnetic field of the magnet, the angle information processing unit By connection in installation cavity (4) and with the angular transducer, the angle information processing unit with Images of items acquisition system passes through connection.
- 2. refrigerator door opening angle detection means according to claim 1, it is characterised in that：The angular transducer is Hall sensor (1).
- 3. refrigerator door opening angle detection means according to claim 2, it is characterised in that：The angle information processing Unit is Hall sensor surface-mounted integrated circuit (3), and the installation cavity (4) is arranged at bottom end cover (8) place of refrigerator door, described Hall sensor surface-mounted integrated circuit (3) is arranged at the top of the magnet.
- 4. refrigerator door opening angle detection means according to claim 3, it is characterised in that：The Hall sensor (1) it is arranged on the Hall sensor surface-mounted integrated circuit (3), and it is corresponding with the magnet.
- 5. refrigerator door opening angle detection means according to claim 3, it is characterised in that：The Hall sensor collection The top of the installation cavity (4), the top of the installation cavity (4) are arranged on by fixing screws (11) into circuit board (3) It is protruding with the screw base being engaged with the fixing screws (11).
- 6. refrigerator door opening angle detection means according to claim 3, it is characterised in that：The installation cavity (4) On offer the cable-through hole (2) passed through for the circuit that is connected with Hall sensor surface-mounted integrated circuit (3).
- 7. refrigerator door opening angle detection means according to claim 3, it is characterised in that：The installation cavity (4) Lower end be connected with cavity cover plate (5), be provided with the screw base of protrusion on cavity cover plate (5), the integrated electricity of the Hall sensor Road plate (3) is arranged on the screw base by fixing screws (11), is left on the cavity cover plate (5) and is passed through for hinge component Through hole.
- 8. refrigerator door opening angle detection means according to claim 7, it is characterised in that：The cavity cover plate (5) On be provided with cover plate strengthen iron (9).
- 9. the refrigerator door opening angle detection means according to claim any one of 1-8, it is characterised in that：The magnet For cylinder-shaped magnet (12), cylinder-shaped magnet (12) is divided into N poles and S by the normal plane of the end face of the cylinder-shaped magnet (12) Pole, so as to perceive the strong and weak change in cylinder-shaped magnet (12) magnetic field during angular transducer change in location.
- A kind of 10. refrigerator, it is characterised in that：It includes the refrigerator door opening angle detection described in claim any one of 1-9 Device, door closer (6) is provided between the end cap of the refrigerator door and the hinge component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998854.8A CN105423688B (en) | 2015-12-24 | 2015-12-24 | A kind of refrigerator door opening angle detection means and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998854.8A CN105423688B (en) | 2015-12-24 | 2015-12-24 | A kind of refrigerator door opening angle detection means and refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN105423688A CN105423688A (en) | 2016-03-23 |
| CN105423688B true CN105423688B (en) | 2018-01-16 |
Family
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| CN201510998854.8A Active CN105423688B (en) | 2015-12-24 | 2015-12-24 | A kind of refrigerator door opening angle detection means and refrigerator |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841435B (en) * | 2016-05-30 | 2018-09-04 | 青岛海尔股份有限公司 | Refrigerator and its control method |
| CN107461996B (en) * | 2016-06-03 | 2021-07-06 | 博西华电器（江苏）有限公司 | Refrigerator with a door |
| CN107461979A (en) * | 2016-06-03 | 2017-12-12 | 博西华电器（江苏）有限公司 | Refrigerator |
| CN108709677A (en) * | 2018-04-13 | 2018-10-26 | 北京汽车集团有限公司 | wind sensor and vehicle |
| CN112484387A (en) * | 2019-09-12 | 2021-03-12 | 海信（山东）冰箱有限公司 | Food material management method and device and food material storage equipment |
| CN113390440B (en) * | 2020-03-11 | 2023-10-20 | 深圳绿米联创科技有限公司 | Method, device and storage medium for detecting position state of target object |
| KR20210157160A (en) | 2020-06-19 | 2021-12-28 | 삼성전자주식회사 | Refrigerator and controlling method thereof |
| CN113465286B (en) * | 2020-07-14 | 2022-12-20 | 青岛海信电子产业控股股份有限公司 | Intelligent refrigerator, angle determination and food material identification method |
| CN114076491B (en) * | 2020-08-17 | 2023-10-24 | 青岛海尔电冰箱有限公司 | Refrigerator, control method of refrigerator and readable storage medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205448470U (en) * | 2015-12-24 | 2016-08-10 | 合肥华凌股份有限公司 | Refrigerator door opening angle detection device and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102023013B1 (en) * | 2013-04-18 | 2019-09-19 | 엘지전자 주식회사 | Refrigerator and operating method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205448470U (en) * | 2015-12-24 | 2016-08-10 | 合肥华凌股份有限公司 | Refrigerator door opening angle detection device and refrigerator |
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Effective date of registration: 20180313 Address after: 230601 Building No. 198, No. G2, No. 198, Mingzhu Avenue, Hefei high tech Zone, Hefei, Anhui Patentee after: Hefei Midea Intelligent Technology Co., Ltd. Address before: 230601 Hefei economic and Technological Development Zone, Fairview Road, Anhui Co-patentee before: Midea Group Co., Ltd. Patentee before: Hefei Hualing Co., Ltd. |
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