CN108534115A - Steam generating system and steam oven - Google Patents
Steam generating system and steam oven Download PDFInfo
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- CN108534115A CN108534115A CN201810593572.3A CN201810593572A CN108534115A CN 108534115 A CN108534115 A CN 108534115A CN 201810593572 A CN201810593572 A CN 201810593572A CN 108534115 A CN108534115 A CN 108534115A
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- water
- control valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/26—Automatic feed-control systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
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Abstract
The present invention provides a kind of steam generating system and steam ovens, are related to the technical field of kitchen appliance, which includes water tank, steam generator and control unit, and steam generator includes water storage cavity and the heating component for being heated for water storage cavity；The bottom of water tank is provided with water outlet, and water storage cavity includes water inlet, and water outlet is higher than water inlet, and water outlet passes through the first piping connection with water inlet；It is provided with outlet water control valve on first pipeline；The top of water tank is provided with the first blow vent, and water storage cavity includes the second blow vent, second the first blow vent of pipeline connection and the second blow vent；Water tank is connect with water supply pipe, and water supply control valve is provided on water supply pipe；Heating component, water supply control valve and outlet water control valve are electrically connected with control unit, the steam generating system is alleviated differentiate the water level detecting in heating dish in such a way that the resistance value to the water in heating dish is detected during, be susceptible to differentiation failure the problem of.
Description
Technical field
The present invention relates to the technical fields of kitchen appliance, more particularly, to a kind of steam generating system and steam oven.
Background technology
In recent years, with the raising of social scientific and technological level, more and more kitchen appliances start to enter into the visual field of people, and
This miscellaneous kitchen appliance substantially improves the culinary art experience of people.
Steam oven is one kind in numerous kitchen appliances, and important function is played in terms of improving user and cooking experience.Tool
Body, the steam generating system of steam oven generally includes water supplying unit and heating dish, is supplied water into heating dish by water supplying unit,
The water in heating dish is heated to generate the steam for steaming food by heating component.It is needed in the process to heating dish
In water level monitored in real time, to avoid there is a situation where dry combustion method or occurring plus dilutional hyponatremia, steam oven in the prior art
Steam generating system be differentiate the water level in heating dish in such a way that the resistance value to the water in heating dish is detected, and
This mode have the shortcomings that one it is obvious, that is, since the resistance value of pure water or distilled water is smaller, thus inspection
During survey, it is susceptible to the case where differentiation is failed, to influence the normal work of steam oven.
Therefore, it is highly desirable to design a kind of new steam generating system to improve the above problem.
Invention content
First of the present invention is designed to provide a kind of steam generating system, to alleviate existing in the prior art pass through
The mode being detected to the resistance value of the water in heating dish is come when differentiating the water level in heating dish, due to pure water or distilled water
Resistance value it is smaller, so detection during, be susceptible to differentiation failure the technical issues of.
Steam generating system provided by the invention includes water tank, steam generator and control unit, wherein the steam
Generator includes the water storage cavity that can be in communication with the outside and the heating component for being heated for the water storage cavity, in the water storage cavity
Water by the heating component heat after gasification form steam；The bottom of the water tank is provided with water outlet, the water storage cavity
Including water inlet, the water outlet is higher than the water inlet, and passes through the first pipeline between the water outlet and the water inlet
Connection；The outlet water control valve for controlling water route break-make is provided on first pipeline；
The top of the water tank is provided with the first blow vent, and the water storage cavity includes the second blow vent, and the second pipeline connects
Lead to first blow vent and second blow vent；The water tank is connect with water supply pipe, is arranged on the water supply pipe
It is useful for the water supply control valve of control water route break-make；
The heating component, the water supply control valve and the outlet water control valve are electrically connected with described control unit；It opens
The steam generating system is moved, into the water tank plus when water, opens and goes out water management described in the water supply control valve and closing
Valve, when the water tank supplies water to the water storage cavity, the water supply control valve is closed and the outlet water control valve is opened.
Further, the steam generator includes open heating dish, and the heating armor sets out the water storage cavity, institute
It states water inlet and second blow vent may be contained on the side wall of the heating dish.
Further, the caliber of first pipeline is less than the caliber of second pipeline.
Further, the water inlet and second blow vent are contour.
Further, the water inlet is higher than second blow vent.
Further, the highest order of second pipeline is higher than the liquid level maximum height of the water tank.
Further, maximum height of first blow vent higher than liquid level in the water tank.
Further, water level detecting component is provided in the water tank, the water level detecting component is single with the control
Member electrical connection is fed back, the control for monitoring peak level and lowest water level in the water tank, and to described control unit
Unit processed controls the water supply control valve according to the data that the water level detecting component is fed back and the outlet water control valve opens and closes.
Further, the water level detecting component includes floating ball type switch.
Steam generating system provided by the invention having the beneficial effect that compared with prior art：
Steam generating system provided by the invention includes water tank, steam generator and control unit, wherein steam generation
Device includes the water storage cavity that can be in communication with the outside and the heating component for being heated for water storage cavity, and the water in water storage cavity is by heating group
Gasification forms steam after part heating.The bottom of water tank is provided with water outlet, and water storage cavity includes water inlet, and water outlet is higher than water inlet
Mouthful, and pass through the first piping connection between water outlet and water inlet.It is provided on first pipeline for controlling going out for water route break-make
Water control valve.The top of water tank is provided with the first blow vent, and water storage cavity includes the second blow vent, and the second pipeline connection first is logical
Gas port and the second blow vent.Water tank is connect with water supply pipe, and the water supply for controlling water route break-make is provided on water supply pipe
Control valve.Heating component, water supply control valve and outlet water control valve are electrically connected with control unit, and start steam generating system, to
In water tank plus when water, opens water supply control valve and close outlet water control valve, when water tank supplies water to water storage cavity, water supply control valve
It closes and outlet water control valve is opened, the water in water tank enters water storage cavity by the first pipeline, when the liquid level closing in water storage cavity the
When two blow vents, the inside of the second pipeline and water tank is isolated that (air pressure and the external world are big in water tank at this time with external pressure
Air pressure is the same)；After the water continuation in water tank is flowed to from the first pipeline in water storage cavity, water storage space is reduced in water tank, empty
Headroom increases, and outside air can not supplement, therefore air pressure can continuously decrease in water tank, until due to the work of external atmosphere pressure
With one section of water column is blocked in the first pipeline and water tank, and water storage cavity external and internal pressure realizes balance, and the water in water tank can not
Entered in water storage cavity by the first pipeline again.After water in water storage cavity is vaporized by heating, water level reduces, and balance is broken, water storage
The continuation of case water is added to by the first pipeline in water storage cavity, then reaches balance, and and so on, the water in water tank reaches minimum water
Behind position, the moisturizing into water tank.
As it can be seen that when steam oven uses steam generating system provided by the invention, steam generating system itself can be utilized
Design feature automatically controls the water level in water storage cavity, no longer needs to monitor the water level in water storage cavity by extraneous, to alleviate very
The water level in heating dish is differentiated in such a way that the resistance value to the water in heating dish is detected in the prior art to avoiding,
Since the resistance value of pure water or distilled water is smaller, so during detection, it is susceptible to the problem of differentiation is failed.
Second object of the present invention is to provide a kind of steam oven, existing in the prior art by heating to alleviate
The mode that the resistance value of water in disk is detected is come when differentiating the water level in heating dish, due to the resistance value of pure water or distilled water
It is smaller, so during detection, it is susceptible to the technical issues of differentiation is failed.
Steam oven provided by the invention is provided with the steam generating system described in the above.
Steam oven provided by the invention having the beneficial effect that compared with prior art：
Steam oven provided by the invention is provided with above-mentioned steam generating system, can utilize the knot of steam generating system itself
Structure feature automatically controls the water level in water storage cavity, no longer needs to monitor the water level in water storage cavity by extraneous, to alleviate even
It avoids and differentiates the water level in heating dish in such a way that the resistance value to the water in heating dish is detected in the prior art, by
It is smaller in the resistance value of pure water or distilled water, so during detection, it is susceptible to the problem of differentiation is failed.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the first structural schematic diagram for the steam generating system that the embodiment of the present invention one provides；
Fig. 2 is second of structural schematic diagram of the steam generating system that the embodiment of the present invention one provides；
Fig. 3 is the third structural schematic diagram for the steam generating system that the embodiment of the present invention one provides；
Fig. 4 is enlarged drawing at the A of steam generating system shown in Fig. 3.
Icon：1- water tanks；2- steam generators；The first pipelines of 3-；4- outlet water control valves；The second pipelines of 5-；
6- water supply pipes；7- water supply control valves；8- water level detecting components；21- water storage cavities；22- heating components；211- is intake
Mouthful；The second blow vents of 212-.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
As shown in Figure 1-Figure 3, steam generating system provided in this embodiment includes water tank 1, steam generator 2 and control
Unit processed, wherein as shown in figure 4, steam generator 2 includes the water storage cavity 21 that can be in communication with the outside and is used to be water storage cavity 21
The heating component 22 of heating, after the water in water storage cavity 21 is heated by heating component 22 gasification form steam.The bottom of water tank 1 is set
It is equipped with water outlet, water storage cavity 21 includes water inlet 211, and water outlet is higher than water inlet 211, and between water outlet and water inlet 211
It is connected by the first pipeline 3.The outlet water control valve 4 for controlling water route break-make is provided on first pipeline 3.
The top of water tank 1 is provided with the first blow vent, and water storage cavity 21 includes the second blow vent 212, the connection of the second pipeline 5
First blow vent and the second blow vent 212.Water tank 1 is connect with water supply pipe 6, is provided on water supply pipe 6 for controlling water
The water supply control valve 7 of road break-make.
Heating component 22, water supply control valve 7 and outlet water control valve 4 are electrically connected with control unit；Start steam generation system
System, into water tank 1 plus when water, control unit controls water supply control valve 7 and opens, while controlling the closing of outlet water control valve 4, water storage
When case 1 supplies water to water storage cavity 21, control unit controls water supply control valve 7 and closes, while controlling the unlatching of outlet water control valve 4.
When water tank 1 supplies water to water storage cavity 21, water supply control valve 7 is closed and outlet water control valve 4 is opened, in water tank 1
Water enters water storage cavity 21 by the first pipeline 3, when the liquid level in water storage cavity 21 closes the second blow vent 212, the second pipeline 5 and storage
The inside of water tank 1 with external pressure isolation (at this time in water tank 1 air pressure as external atmosphere pressure)；When in water tank 1
Water continuation when flowing in water storage cavity 21 from the first pipeline 3, the air pressure in water tank 1 can continuously decrease, until due to extraneous big
The effect of air pressure, one section of water column are blocked in the first pipeline 3 and water tank 1, and water can not enter water storage cavity by the first pipeline 3 again
In 21.After water vapor in water storage cavity 21, balance is broken, and water continuation is added to by the first pipeline 3 in water storage cavity 21, then is reached
To balance, and so on, after the water in water tank 1 reaches lowest water level, the moisturizing into water tank 1.
As it can be seen that when steam oven uses steam generating system provided in this embodiment, steam generating system itself can be utilized
Design feature automatically control the water level in water storage cavity 21, no longer need to monitor the water level in water storage cavity 21 by extraneous, to
Alleviate even to avoid and differentiate in heating dish in such a way that the resistance value to the water in heating dish is detected in the prior art
Water level, since the resistance value of pure water or distilled water is smaller, thus detection during, be susceptible to differentiate failure ask
Topic.
Specifically, heating component 22 can be heating tube.
It will be recognized by those skilled in the art that the design of the second blow vent 212 wants to ensure the water in water storage cavity 21 not
It overflows.
In the present embodiment, steam generator 2 may include the heating dish of opening, and heating armor sets out water storage cavity 21, intakes
Mouth 211 and the second blow vent 212 may be contained on the side wall of heating dish.
Steam generator 2 includes the heating dish of opening, and heating armor sets out water storage cavity 21, and water inlet 211 and second is ventilated
Mouth 212 may be contained on the side wall of heating dish so that the structure of steam generator 2 is more simplified, and the maintenance of steam generator 2 is more
For facility.
In the present embodiment, the caliber of the first pipeline 3 can be less than the caliber of the second pipeline 5.
In the present embodiment, water inlet 211 may be contour with the second blow vent 212.
Alternatively, in the present embodiment, water inlet 211 can be above the second blow vent 212.
Alternatively alternative, in the present embodiment, water inlet 211 may also be below the second blow vent 212.
In the present embodiment, the highest order of the second pipeline 5 can be higher than the liquid level maximum height of water tank 1, such as：First is logical
Gas port is higher than the maximum height of liquid level in water tank 1.
The highest order of second pipeline 5 is higher than the liquid level maximum height of water tank 1, can prevent the water of closed water tank 1
Entered in water storage cavity 21 by the second pipeline 5.First blow vent is higher than the maximum height of liquid level in water tank 1, specifically, can be with
It is the top that the first blow vent is set to water tank 1；Certain first blow vent can be arranged in any position of water tank 1, only
The most significant end inner tube surface of the second pipeline 5 is wanted to be higher than the peak level control plane of closed water tank 1.Thus, can
The case where avoiding the first pipeline 3 that from intaking close to a part for water tank 1 occurs, and water occurs to avoid the occurrence of the first pipeline 3
Corrosion.
In the present embodiment, water level detecting component 8, water level detecting component 8 and control unit electricity can be provided in water tank 1
Connection is fed back for monitoring peak level and lowest water level in water tank 1, and to control unit, and control unit is according to water level
The data control water supply control valve 7 and outlet water control valve 4 that detection components 8 are fed back open and close.
Water level detecting component 8 is set in water tank 1,1 water spill-over of water tank can be effectively prevent to go out or make water storage
Case 1 can add water in time when anhydrous.
It when water level detecting component 8 monitors that water tank 1 is in peak level, will feed back, control to control unit
The data control water supply control valve 7 that unit is fed back according to water level detecting component 8 is closed, and outlet water control valve 4 is opened simultaneously；Work as water level
When detection components 8 monitor that water tank 1 is in lowest water level, it will be fed back to control unit, control unit is examined according to water level
It surveys the data control heating component 22 that component 8 is fed back and stops heating, simultaneously close off outlet water control valve 4, open water supply control valve 7.
In the present embodiment, water level detecting component 8 may include floating ball type switch, specifically, floating ball type switch may include
It is fixed on 1 case lid of water tank and the cylindrical bar of perpendicular shape and is sheathed on the floating ball that can be lifted on cylindrical bar and along cylindrical bar,
Cylindrical bar inner cavity is embedded with PCB circuits, and PCB circuits are made of upper and lower two tongue tubes and resistance, and upper and lower tongue tube corresponds to storage
Control water level in water tank 1, is designed with magnet ring in floating ball.Water level in water tank 1 is in lowest water level, then floating ball is in down
Tongue tube position, the magnet in floating ball are attracted lower tongue tube, and PCB circuits send out low level signal, and control unit is controlled after receiving signal
Heating component 22 processed stops heating, opens simultaneously water supply control valve 7, supplies water to water tank 1；When water level reaches high water level, float
Ball floats up to tongue tube position, and the magnet in floating ball is attracted upper tongue tube, and PCB circuits send out high signal, and control unit connects
The collection of letters number simultaneously closes water supply control valve 7, stops supplying water to water tank 1, meanwhile, it opens outlet water control valve 4 and adds into water storage cavity 21
Water.
Embodiment two
Steam oven provided in this embodiment is provided with the steam generating system of the offer of embodiment one.
Steam oven provided in this embodiment is provided with above-mentioned steam generating system, and steam generating system includes water tank 1, steams
Vapour generator 2 and control unit, wherein as shown in figure 4, steam generator 2 includes 21 He of water storage cavity that can be in communication with the outside
Heating component 22 for being heated for water storage cavity 21, after the water in water storage cavity 21 is heated by heating component 22 gasification form steam.
The bottom of water tank 1 is provided with water outlet, and water storage cavity 21 includes water inlet 211, and water outlet is higher than water inlet 211, and water outlet
It is connect by the first pipeline 3 between water inlet 211.It is provided on first pipeline 3 and goes out water management for control water route break-make
Valve 4.
The top of water tank 1 is provided with the first blow vent, and water storage cavity 21 includes the second blow vent 212, the connection of the second pipeline 5
First blow vent and the second blow vent 212.Water tank 1 is connect with water supply pipe 6, is provided on water supply pipe 6 for controlling water
The water supply control valve 7 of road break-make.
Heating component 22, water supply control valve 7 and outlet water control valve 4 are electrically connected with control unit；Start steam generation system
System, into water tank 1 plus when water, control unit controls water supply control valve 7 and opens, while controlling the closing of outlet water control valve 4, water storage
When case 1 supplies water to water storage cavity 21, control unit controls water supply control valve 7 and closes, while controlling the unlatching of outlet water control valve 4.As it can be seen that
Steam oven provided by the embodiment can utilize the design feature of steam generating system itself to automatically control the water level in water storage cavity 21,
It no longer needs to monitor the water level in water storage cavity 21 by extraneous, even be avoided in the prior art by heating dish to alleviate
In the resistance value mode that is detected of water differentiate the water level in heating dish, since the resistance value of pure water or distilled water compares
It is small, so during detection, it is susceptible to the problem of differentiation is failed.
Steam oven provided in this embodiment can also include shell, liner and cover assembly etc..
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of steam generating system, which is characterized in that including water tank (1), steam generator (2) and control unit, wherein
The steam generator (2) includes the water storage cavity (21) that can be in communication with the outside and adds for what is heated for the water storage cavity (21)
Hot component (22), after the water in the water storage cavity (21) is heated by the heating component (22) gasification form steam；The water storage
The bottom of case (1) is provided with water outlet, and the water storage cavity (21) includes water inlet (211), and the water outlet is higher than the water inlet
Mouth (211), and connect by the first pipeline (3) between the water outlet and the water inlet (211)；First pipeline (3)
On be provided with outlet water control valve (4) for controlling water route break-make；
The top of the water tank (1) is provided with the first blow vent, and the water storage cavity (21) includes the second blow vent (212), the
Two pipelines (5) are connected to first blow vent and second blow vent (212)；The water tank (1) connects with water supply pipe (6)
It connects, the water supply control valve (7) for controlling water route break-make is provided on the water supply pipe (6)；
The heating component (22), the water supply control valve (7) and the outlet water control valve (4) are electrically connected with described control unit
It connects；Start the steam generating system, into the water tank (1) plus when water, opens the water supply control valve (7) and close institute
Outlet water control valve (4) is stated, when the water tank (1) is supplied water to the water storage cavity (21), the water supply control valve (7) is closed and institute
State outlet water control valve (4) opening.
2. steam generating system according to claim 1, which is characterized in that the steam generator (2) includes open
Heating dish, the heating armor set out the water storage cavity (21), and the water inlet (211) and second blow vent (212) are equal
It is set on the side wall of the heating dish.
3. steam generating system according to claim 2, which is characterized in that the caliber of first pipeline (3) is less than institute
State the caliber of the second pipeline (5).
4. steam generating system according to claim 3, which is characterized in that the water inlet (211) is logical with described second
Gas port (212) is contour.
5. steam generating system according to claim 3, which is characterized in that the water inlet (211) is higher than described second
Blow vent (212).
6. steam generating system according to claim 1, which is characterized in that the highest order of second pipeline (5) is higher than
The liquid level maximum height of the water tank (1).
7. steam generating system according to claim 1, which is characterized in that first blow vent is higher than the water tank
(1) maximum height of liquid level in.
8. according to claim 1-7 any one of them steam generating systems, which is characterized in that setting in the water tank (1)
There is water level detecting component (8), the water level detecting component (8) is electrically connected with described control unit, for monitoring the water tank
(1) peak level in and lowest water level, and fed back to described control unit, described control unit is according to the water level detecting group
The data of part (8) feedback control the water supply control valve (7) and the outlet water control valve (4) opens and closes.
9. steam generating system according to claim 8, which is characterized in that the water level detecting component (8) includes floating ball
Formula switchs.
10. a kind of steam oven, which is characterized in that be provided with claim 1-9 any one of them steam generating systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810593572.3A CN108534115A (en) | 2018-06-11 | 2018-06-11 | Steam generating system and steam oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810593572.3A CN108534115A (en) | 2018-06-11 | 2018-06-11 | Steam generating system and steam oven |
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| CN108534115A true CN108534115A (en) | 2018-09-14 |
Family
ID=63469730
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| CN201810593572.3A Pending CN108534115A (en) | 2018-06-11 | 2018-06-11 | Steam generating system and steam oven |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963903A (en) * | 2020-08-20 | 2020-11-20 | 刘维 | Water supplementing system |
| CN112493841A (en) * | 2020-12-17 | 2021-03-16 | 俞建国 | Steaming oven or steam box |
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| CN204901712U (en) * | 2015-07-23 | 2015-12-23 | 佛山市顺德区美的电热电器制造有限公司 | Steam generator and garment steamer |
| CN105157000A (en) * | 2015-08-07 | 2015-12-16 | 广东美的厨房电器制造有限公司 | Bottom-mounted type steam generating device and water supply control method for electromagnetic valve |
| CN206074087U (en) * | 2016-08-31 | 2017-04-05 | 杭州老板电器股份有限公司 | A kind of steam oven water level balance detection means |
| CN208442810U (en) * | 2018-06-11 | 2019-01-29 | 杭州老板电器股份有限公司 | Steam generating system and steam oven |
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| CN111963903A (en) * | 2020-08-20 | 2020-11-20 | 刘维 | Water supplementing system |
| CN112493841A (en) * | 2020-12-17 | 2021-03-16 | 俞建国 | Steaming oven or steam box |
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