CN107218768A - A kind of cold-heat cabinet and its control method - Google Patents
A kind of cold-heat cabinet and its control method Download PDFInfo
- Publication number
- CN107218768A CN107218768A CN201710533924.1A CN201710533924A CN107218768A CN 107218768 A CN107218768 A CN 107218768A CN 201710533924 A CN201710533924 A CN 201710533924A CN 107218768 A CN107218768 A CN 107218768A
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- Prior art keywords
- heating chamber
- far
- central processing
- processing unit
- cold
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Classifications
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- 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
- F25D31/00—Other cooling or freezing apparatus
- F25D31/002—Liquid coolers, e.g. beverage cooler
Abstract
The present invention relates to a kind of cold-heat cabinet, the cold-heat cabinet includes including cool room, heating chamber and control room in a square shell body, housing from top to bottom；Cooling and warming module is provided between the cool room and heating chamber, cooling and warming module includes thermal conductive metal plate, semi-conductor thermoelectric device and the far-infrared material template set gradually from top to bottom, the refrigeration end of the semi-conductor thermoelectric device is brought into close contact with thermal conductive metal plate lower surface upward, and the upper surface of thermal conductive metal plate provides refrigeration for cool room；The far-infrared material template includes a horizontal plane and the space curved surface being arranged at below horizontal plane, horizontal plane is brought into close contact with semi-conductor thermoelectric device heating end, space curved surface provides thermal energy for heating chamber, one radiating fin is arranged inside far-infrared material template, and far-infrared material is provided with inside far-infrared material template and around radiating fin.The present invention can be freezed or be heated to food, while can improve the mouthfeel of food, and have the function of sterilization.
Description
Technical field
The present invention relates to a kind of cold-heat cabinet and its control method, belong to household appliances field.
Background technology
Current bachelor apartment and small apartment are received by the market, and increasing people buys.Due to the limitation of area, purchase
The household appliances such as large-scale refrigerator, disinfection cabinet, which are put into bachelor apartment or small apartment, can occupy substantial amounts of area, allow room more
Seem crowded, how to meet the household electrical appliances such as family's cooling and warming cabinet, the disinfection cabinet of the small areas such as small apartment or bachelor apartment production
The demand of product is received more and more attention.The invention provides a kind of cold-heat cabinet, refrigeration is provided using semi-conductor thermoelectric device
The effect heated, while effect of sterilization and sterilization is provided using the effect of far infrared, by the function collection of multiple household electrical appliances together in one
Body, solves the demand of bachelor apartment and small apartment to household electrical appliances.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of cold-heat cabinet and its control method, and the cold-heat cabinet can be realized
F＆B is freezed or heated, while the mouthfeel of food can be improved, and has the function of sterilization.
Technical scheme is as follows：
Include cool room, heating chamber and control room in a kind of cold-heat cabinet, including a square shell body, housing from top to bottom；The system
Cooling and warming module is provided between cold house and heating chamber, cooling and warming module includes the heat-conducting metal set gradually from top to bottom
Plate, semi-conductor thermoelectric device and far-infrared material template, the refrigeration end of the semi-conductor thermoelectric device upward with thermal conductive metal plate
Lower surface is brought into close contact, and the upper surface of thermal conductive metal plate provides refrigeration for cool room；The far-infrared material template includes
One horizontal plane and the space curved surface being arranged at below horizontal plane, horizontal plane are brought into close contact with semi-conductor thermoelectric device heating end, empty
Between curved surface provide thermal energy for heating chamber, a radiating fin is arranged inside far-infrared material template, in far-infrared material template
Far-infrared material is provided with around portion and radiating fin；Thermal insulation board, control room are provided between the heating chamber and control room
It is internally provided with the control circuit that central processing unit is provided with inside control chamber, control chamber and is connected with central processing unit electric signal
Plate, control board is used to modulate output current size.
Wherein, the cool room in heating chamber with being respectively arranged with sliding part；The sliding part includes relative respectively
It is arranged at the slide rail of cool room and heating chamber madial wall and is slidably matched with slide rail and realizes " Π " shape slide plate of pull.
Wherein, the refrigeration indoor location electrically connects the low-temperature sensor for being sent to temperature signal with central processing unit,
Heat indoor location and the pyrostat for being sent to temperature signal is electrically connected with central processing unit.
Wherein, the housing upper be provided with electrically connected with central processing unit to its send electric signal key circuit and with
Central processing unit electrical connection receives the display screen of its electric signal sent.
Wherein, housing bottom corner end is provided with mobile device and fixing device, and mobile device is solid including upper end
It is scheduled on the connecting rod of housing bottom and is arranged at the roller of connecting rod lower end；The fixing device is arranged on housing bottom including one
Circular ring type retainer plate, the vertical slide bar being slidably located in retainer plate and the rubber for being fixedly installed on slide bar lower end on the wall of side
Block；The slide bar upper end is connected with a cross bar, cross bar and the buckle being fixedly installed on the hull outside wall of retainer plate oblique upper
Part detachably engages.
Wherein, wall corresponding housing parts in the control room side offer radiator window.
A kind of control method of cold-heat cabinet of the present invention, including it is following the step of sequentially carry out：
The first step, the target temperature of the cool room and the heating chamber is set by described key circuit respectively, and is sent
Electric signal sends electric signal and shows what is set in current refrigeration room and heating chamber to display screen to central processing unit, central processing unit
Target temperature；
Second step, central processing unit sends electric signal and controls the control board to change its output current, adjusts semiconductor heat
Size of current in electrical part, the low temperature that thermal conductive metal plate produces semi-conductor thermoelectric device cold end is imported in cool room；Meanwhile,
The heat energy that the horizontal plane of far-infrared material template produces semi-conductor thermoelectric device heating end is imported in far-infrared material template, is dissipated
Heat energy is diffused to monoblock far-infrared material template by hot fin, far-infrared material fully heated send is radiated to space curved surface,
Space curved surface can import heat energy and far infrared radiation in heating chamber；
3rd step, low-temperature sensor constantly senses the temperature in cool room and sends temperature signal to central processing unit, works as refrigeration
When indoor temperature and the variant target temperature set, central processing unit sends electric signal and changes its output to control board
To the size of current of semi-conductor thermoelectric device；Pyrostat constantly senses the temperature in heating chamber and sent to central processing unit
Temperature signal, it is big to the electric current of semi-conductor thermoelectric device that central processing unit transmission electric signal changes its output to control board
It is small；
4th step, thermal insulation board separates the heat of heating chamber traffic organising room, meanwhile, the heat that radiator window produces central processing unit
Amount export control room, it is ensured that the running temperature of central processing unit；
5th step, pulls cool room and the slide plate set in heating chamber, slide plate is arranged on different slide rails, according to demand will
Cool room or heating chamber are separated into bearing space not of uniform size；
6th step, can promote cold-heat cabinet to move by the roller of mobile device, after moving into place, and be pulled upwardly cross bar, drive and slide
Bar moves up and down in retainer plate and cross bar is departed from fastener, horizontally rotates and cross bar is put down after cross bar, rubber is contacted ground soon,
Prevent cold-heat cabinet from moving using the horizontal friction force on rubber bumper and ground.
The present invention has the advantages that：
1st, invention applies far-infrared material, heating or it is cold remove food during, can a certain degree of improvement food
Mouthfeel, and sterilization, clean hygiene can be played a part of.
2nd, the present invention can freeze and heat simultaneously, different types of food is incubated or fresh-keeping quick-frozen, practicality side
Just.
3rd, the present invention is provided with mobile device and fixing device, and convenient overall move changes position, and is fixed
Anti- sliding stop.
4th, present inventive concept is ingenious, simple in construction, it is easy to promote.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is present invention sliding part structural representation；
Fig. 3 is front schematic view of the present invention；
Fig. 4 is fixture structure schematic diagram of the present invention；
Fig. 5 is radiator window scheme of installation of the present invention.
Reference is expressed as in figure：
1- housings, 11- fasteners, 12- radiator windows, 2- cool rooms, 21- low-temperature sensors, 3- heating chambers, 30- thermal insulation boards, 31-
Pyrostat, 4- control rooms, 41- control chambers, 42- central processing units, 43- control boards, 5- cooling and warming modules, 51-
Thermal conductive metal plate, 52- semi-conductor thermoelectric devices, 53- radiatings fin, 54- far-infrared materials template, 541- horizontal planes, 542- are empty
Between curved surface, 6- sliding part, 61- slide rails, 62- slide plates, 71- key circuits, 72- display screens, 81- mobile devices, 811- connections
Bar, 812- rollers, 82- fixing devices, 821- retainer plates, 822- slide bars, 823- rubber bumpers, 824- cross bars.
Embodiment
The present invention will be described in detail with specific embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Fig. 5, a kind of cold-heat cabinet, an including square shell body 1 includes cool room 2, system in housing 1 from top to bottom
Hot cell 3 and control room 4；Cooling and warming module 5 is provided between the cool room 2 and heating chamber 3, cooling and warming module 5 includes
Thermal conductive metal plate 51, semi-conductor thermoelectric device 52 and the far-infrared material template 54 set gradually from top to bottom, the semiconductor
The refrigeration end of thermo-electric device 52 is brought into close contact with the lower surface of thermal conductive metal plate 51 upward, and the upper surface of thermal conductive metal plate 51 is refrigeration
Room 2 provides refrigeration；The far-infrared material template 54 includes a horizontal plane 541 and is arranged at the sky of the lower section of horizontal plane 541
Between curved surface 542, horizontal plane 541 is brought into close contact with the heating end of semi-conductor thermoelectric device 52, and space curved surface 542 is that heating chamber 3 is provided
Thermal energy, a radiating fin 53 is arranged inside far-infrared material template 54, the inside of far-infrared material template 54 and radiating fin
Far-infrared material is provided with around 53；It is provided with inside thermal insulation board 30, control room 4 and sets between the heating chamber 3 and control room 4
It is equipped with and central processing unit 42 and the control being connected with the electric signal of central processing unit 42 electricity is installed inside control chamber 41, control chamber 41
Road plate 43, control board 43 is used to modulate output current size.
Further, the cool room 2 is with being respectively arranged with sliding part 6 in heating chamber 3；The sliding part 6 includes
The slide rail 61 of cool room 2 and the madial wall of heating chamber 3 is relatively arranged on respectively and is slidably matched with slide rail 61 realizes " Π " of pull
Shape slide plate 62.
Further, the low temperature for being electrically connected with central processing unit 42 and being sent to temperature signal is installed in the cool room 2
The pyrostat 31 for being electrically connected with central processing unit 42 and being sent to temperature signal is installed in sensor 21, heating chamber 3.
Further, the top of housing 1 is provided with the button for being electrically connected with central processing unit 42 and electric signal being sent to it
Circuit 71 and the display screen 72 that its electric signal sent of reception is electrically connected with central processing unit 42.
Further, the bottom corner end of housing 1 is provided with mobile device 81 and fixing device 82, mobile device 81
The connecting rod 811 of the bottom of housing 1 is fixed on including upper end and is arranged at the roller 812 of the lower end of connecting rod 811；The fixing device
82 include a circular ring type retainer plate 821 being arranged on the bottom end side wall of housing 1, the vertical cunning being slidably located in retainer plate 821
Bar 822 and the rubber bumper 823 for being fixedly installed on the lower end of slide bar 822；The upper end of slide bar 822 is connected with a cross bar 824, cross bar
824 detachably engage with the fastener 11 on the lateral wall of housing 1 for being fixedly installed on the oblique upper of retainer plate 821.
Further, the corresponding part of housing 1 of the side wall of control room 4 offers radiator window 12.
A kind of control method of cold-heat cabinet of the present invention, including it is following the step of sequentially carry out：
The first step, the target temperature of the cool room 2 and the heating chamber 3 is set by described key circuit 71 respectively, and
Electric signal is sent to central processing unit 42, central processing unit 42 sends electric signal and shows current refrigeration room 2 and system to display screen 72
The target temperature set in hot cell 3；
Second step, central processing unit 42 sends electric signal and controls the control board 43 to change its output current, and regulation is partly led
Size of current in body heat electrical part 52, the low temperature that thermal conductive metal plate 51 produces the cold end of semi-conductor thermoelectric device 52, which is imported, to freeze
In room 2；Meanwhile, the heat energy that the horizontal plane 541 of far-infrared material template 54 produces the heating end of semi-conductor thermoelectric device 52 is imported
In far-infrared material template 54, heat energy is diffused to monoblock far-infrared material template 54 by radiating fin 53, fills far-infrared material
Heated send is divided to be radiated to space curved surface 542, space curved surface 542 can import heat energy and far infrared radiation in heating chamber 3；
3rd step, low-temperature sensor 21 constantly senses the temperature in cool room 2 and sends temperature signal to central processing unit 42, when
When temperature and the target temperature set are variant in cool room 2, central processing unit 42 sends electric signal to control board 43
Change its output to the size of current of semi-conductor thermoelectric device 52；Pyrostat 31 constantly senses temperature in heating chamber 3 simultaneously
Temperature signal is sent to central processing unit 42, central processing unit 42 sends electric signal and changes its output to half to control board 43
The size of current of conductor thermo-electric device 52；
4th step, thermal insulation board 30 separates the heat of the traffic organising room 4 of heating chamber 3, meanwhile, radiator window 12 is by central processing unit 42
The heat derives control room 4 of generation, it is ensured that the running temperature of central processing unit 42；
5th step, pulls cool room 2 and the slide plate 62 set in heating chamber 3, slide plate 62 is arranged on different slide rails 61, root
Cool room 2 or heating chamber 3 are separated into bearing space not of uniform size according to demand；
6th step, can promote cold-heat cabinet to move, after moving into place, be pulled upwardly cross bar by the roller 812 of mobile device 81
824, band moving slide-bar 822 moves up and down in retainer plate 821 and cross bar 824 is departed from fastener 11, is put after horizontally rotating cross bar 824
Sheer pole 824, makes the fast 823 contact ground of rubber, prevents cold-heat cabinet from moving using rubber bumper 823 and the horizontal friction force on ground.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of cold-heat cabinet, it is characterised in that：Including a square shell body（1）, housing（1）Inside include cool room from top to bottom（2）、
Heating chamber（3）And control room（4）；The cool room（2）And heating chamber（3）Between be provided with cooling and warming module（5）, refrigerated medium
Thermal modules（5）Including the thermal conductive metal plate set gradually from top to bottom（51）, semi-conductor thermoelectric device（52）And far-infrared material
Template（54）, the semi-conductor thermoelectric device（52）Refrigeration end upward with thermal conductive metal plate（51）Lower surface is brought into close contact, and is led
Thermometal plate（51）Upper surface be cool room（2）Refrigeration is provided；The far-infrared material template（54）Including a level
Face（541）Be arranged at horizontal plane（541）The space curved surface of lower section（542）, horizontal plane（541）With semi-conductor thermoelectric device（52）
Heating end is brought into close contact, space curved surface（542）For heating chamber（3）Thermal energy, a radiating fin are provided（53）It is arranged at far infrared
Material template（54）Inside, far-infrared material template（54）Internal and radiating fin（53）Surrounding is provided with far-infrared material；
The heating chamber（3）With control room（4）Between be provided with thermal insulation board（30）, control room（4）It is internally provided with control chamber（41）, control
Chamber processed（41）Inside is provided with central processing unit（42）With with central processing unit（42）The control board of electric signal connection（43）,
Control board（43）For modulating output current size.
2. a kind of cold-heat cabinet according to claim 1, it is characterised in that：The cool room（2）With heating chamber（3）Interior difference
It is provided with sliding part（6）；The sliding part（6）Including being relatively arranged on cool room respectively（2）And heating chamber（3）Madial wall
Slide rail（61）With with slide rail（61）It is slidably matched and realizes " Π " shape slide plate of pull（62）.
3. a kind of cold-heat cabinet according to claim 2, it is characterised in that：The cool room（2）Interior installation and center processing
Device（42）Electrical connection is sent to the low-temperature sensor of temperature signal（21）, heating chamber（3）Interior installation and central processing unit（42）
Electrical connection is sent to the pyrostat of temperature signal（31）.
4. a kind of cold-heat cabinet according to claim 3, it is characterised in that：The housing（1）Top is provided with and centre
Manage device（42）Electrically connect the key circuit that electric signal is sent to it（71）With with central processing unit（42）Electrical connection receives it and sent
Electric signal display screen（72）.
5. a kind of cold-heat cabinet according to claim 4, it is characterised in that：The housing（1）Bottom corner end is provided with
Mobile device（81）And fixing device（82）, mobile device（81）Housing is fixed on including upper end（1）The connecting rod of bottom（811）
Be arranged at connecting rod（811）The roller of lower end（812）；The fixing device（82）Housing is arranged on including one（1）Bottom end side
Circular ring type retainer plate on wall（821）, be slidably located in retainer plate vertically（821）Interior slide bar（822）And be fixedly installed on
Slide bar（822）The rubber bumper of lower end（823）；The slide bar（822）Upper end is connected with a cross bar（824）, cross bar（824）With fixation
It is arranged on retainer plate（821）The housing of oblique upper（1）Fastener on lateral wall（11）Detachable engaging.
6. a kind of cold-heat cabinet according to claim 5, it is characterised in that：The control room（4）The corresponding housing of side wall（1）
Part offers radiator window（12）.
7. a kind of control method of cold-heat cabinet as claimed in claim 6, it is characterised in that：Including the following step sequentially carried out
Suddenly：
The first step, passes through described key circuit（71）The cool room is set respectively（2）With the heating chamber（3）Target temperature
Degree, concurrent electric signals are to central processing unit（42）, central processing unit（42）Electric signal is sent to display screen（72）Display is current
Cool room（2）With heating chamber（3）The target temperature of interior setting；
Second step, central processing unit（42）Send electric signal and control the control board（43）Change its output current, adjust
Semi-conductor thermoelectric device（52）In size of current, thermal conductive metal plate（51）By semi-conductor thermoelectric device（52）It is low that cold end is produced
Temperature imports cool room（2）It is interior；Meanwhile, far-infrared material template（54）Horizontal plane（541）Semi-conductor thermoelectric device（52）System
The heat energy that hot junction is produced imports far-infrared material template（54）Interior, radiate fin（53）Heat energy is diffused into monoblock far-infrared material
Template（54）, far-infrared material fully heated send is radiated to space curved surface（542）, space curved surface（542）By heat energy and far
Infrared energy imports heating chamber（3）It is interior；
3rd step, low-temperature sensor（21）Constantly sense cool room（2）Interior temperature and to central processing unit（42）Send temperature
Signal, works as cool room（2）When interior temperature and the variant target temperature set, central processing unit（42）Electric signal is sent to control
Circuit board processed（43）Change its output to semi-conductor thermoelectric device（52）Size of current；Pyrostat（31）Constantly sensing is made
Hot cell（3）Interior temperature and to central processing unit（42）Send temperature signal, central processing unit（42）Electric signal is sent to control
Circuit board（43）Change its output to semi-conductor thermoelectric device（52）Size of current；
4th step, thermal insulation board（30）By heating chamber（3）Traffic organising room（4）Heat separate, meanwhile, radiator window（12）By center
Processor（42）The heat derives control room of generation（4）, it is ensured that central processing unit（42）Running temperature；
5th step, pulls cool room（2）With heating chamber（3）The slide plate of interior setting（62）, by slide plate（62）It is arranged at different cunnings
Rail（61）On, according to demand by cool room（2）Or heating chamber（3）It is separated into bearing space not of uniform size；
6th step, passes through mobile device（81）Roller（812）Cold-heat cabinet can be promoted to move, after moving into place, be pulled upwardly horizontal stroke
Bar（824）, band moving slide-bar（822）In retainer plate（821）Move up and down and make cross bar（824）Depart from fastener（11）, level turn
Dynamic cross bar（824）After put down cross bar（824）, make rubber fast（823）Ground is contacted, using rubber bumper（823）With the level on ground
Frictional force prevents cold-heat cabinet from moving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710533924.1A CN107218768A (en) | 2017-07-03 | 2017-07-03 | A kind of cold-heat cabinet and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710533924.1A CN107218768A (en) | 2017-07-03 | 2017-07-03 | A kind of cold-heat cabinet and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218768A true CN107218768A (en) | 2017-09-29 |
Family
ID=59951626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710533924.1A Withdrawn CN107218768A (en) | 2017-07-03 | 2017-07-03 | A kind of cold-heat cabinet and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218768A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036566A (en) * | 2017-12-15 | 2018-05-15 | 上思县东岽电子科技有限责任公司 | A kind of Mobile refrigerator that can be manipulated by electronic product |
| CN109609254A (en) * | 2018-12-28 | 2019-04-12 | 成都山海油脂有限公司 | A kind of temperature-controlling system and preparation method thereof in edible animal grease refining process |
| CN109845803A (en) * | 2018-12-08 | 2019-06-07 | 通道有嚼头食品有限公司 | A kind of decompression refrigeration meat preservation storage facilities |
| CN110037494A (en) * | 2019-05-18 | 2019-07-23 | 上海海立中野冷机有限公司 | A kind of pusher main air duct interval goods shelf plate of cold-heat cabinet |
| CN113142974A (en) * | 2021-03-26 | 2021-07-23 | 华帝股份有限公司 | Cooking equipment and control method thereof |
-
2017
- 2017-07-03 CN CN201710533924.1A patent/CN107218768A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036566A (en) * | 2017-12-15 | 2018-05-15 | 上思县东岽电子科技有限责任公司 | A kind of Mobile refrigerator that can be manipulated by electronic product |
| CN109845803A (en) * | 2018-12-08 | 2019-06-07 | 通道有嚼头食品有限公司 | A kind of decompression refrigeration meat preservation storage facilities |
| CN109609254A (en) * | 2018-12-28 | 2019-04-12 | 成都山海油脂有限公司 | A kind of temperature-controlling system and preparation method thereof in edible animal grease refining process |
| CN110037494A (en) * | 2019-05-18 | 2019-07-23 | 上海海立中野冷机有限公司 | A kind of pusher main air duct interval goods shelf plate of cold-heat cabinet |
| CN113142974A (en) * | 2021-03-26 | 2021-07-23 | 华帝股份有限公司 | Cooking equipment and control method thereof |
| CN113142974B (en) * | 2021-03-26 | 2022-10-25 | 华帝股份有限公司 | Cooking equipment and control method thereof |
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Application publication date: 20170929 |