CN108592002A - Cooking appliance, steam generator and its scale removal control method, device - Google Patents
Cooking appliance, steam generator and its scale removal control method, device Download PDFInfo
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- CN108592002A CN108592002A CN201810404486.3A CN201810404486A CN108592002A CN 108592002 A CN108592002 A CN 108592002A CN 201810404486 A CN201810404486 A CN 201810404486A CN 108592002 A CN108592002 A CN 108592002A
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- steam generator
- preset
- water
- scale removal
- drain valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/56—Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention proposes a kind of cooking appliance, steam generator and its scale removal control method, device, and steam generator includes drain valve, and drain valve corresponds to the discharge outlet setting of steam generator, wherein method includes：S1 supplies said preset amount of water to steam generator；S2, control drain valve open the first preset time, and control steam generator and carry out heating work with preset maximum power, so that steam generator enters dry-fire condition；S3, when the temperature of steam generator inner cavity reaches the first preset temperature, control steam generator stops heating work, to complete a thermal shock cycle；Above-mentioned steps S1 S3 are repeated, until the number for completing thermal shock cycle reaches preset times.This method makes the incrustation scale being adhered on steam generator inner cavity fall off by thermal shock method, and the incrustation scale to fall off is discharged from discharge outlet, and without scale remover, the time is saved, the convenience of scale removal is improved, it is simple easily to realize.
Description
Technical field
The present invention relates to technical field of electric appliances more particularly to a kind of scale removal control method of steam generator, a kind of steam
Scale removal control device, a kind of steam generator and a kind of cooking appliance of generator.
Background technology
With the development of people's material and culture, steam is other than early stage is as the purposes of power, it may also be used for heats, is clear
It washes, sterilize, so that the application of steam generator becomes more and more extensive.
From the point of view of structure, steam generator can substantially be divided into two major classes：One kind is boiler type generator, is generally had
The space that one larger appearance water is heated up water, such as steam oven, steamer bottom heat-generating disc；Another kind of is that flow channel type ejection-type occurs
Device, its main feature is that the built-in runner for being useful for allowing steam superheating, this kind of generator can generate the steam of different degrees of superheat,
It has been widely used in steam cooking product, such as coffee machine, part Garment Steamer Machine or steam cleaner.
However, steam generator no matter what type, when using impure water source, the generation of incrustation scale is just not
It can avoid.When steam generator generates incrustation scale in use, and after accumulating to a certain extent, the thermal efficiency of steam generator
It will seriously reduce, especially for flow channel type ejection-type generator, incrustation scale may block runner, lead to steam generator
It can not work normally again, product is lost therewith using meaning.To ensure generator energy normal use, the production of most such product
Producer can require user periodically to carry out scaling operation on specification.
Currently, the steam generator descaling method of mainstream be using scale remover (such as citric acid or acetic acid acidic materials) into
Row scaling operation.This method need to configure the solution of certain acidity, then in a vapor generator heating be soaked for a period of time as
It 30 minutes, is excluded with waste liquid after incrustation scale substance is dissolved, then generally also needs to be continued to be soaked for a period of time such as 30 again with clear water
Minute, raffinate is removed, whole process generally requires or so 1 hour, takes longer.
That is, above-mentioned descaling method, which generally requires user, buys scale remover, detergent solution is configured, is periodically spent considerably long
Time wait for steam generator scale removal to finish, and also need the cleaning to finish up, Product Experience is simultaneously bad.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, first purpose of the present invention is to propose a kind of scale removal control method of steam generator, can pass through
Thermal shock method makes the incrustation scale being adhered on steam generator inner cavity fall off, and the incrustation scale to fall off is discharged from drainpipe, and
Without scale remover, the time has been saved, has improved the convenience of scale removal, and simple easily realization.
Second object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
Third object of the present invention is to propose a kind of scale removal control device of steam generator.
Fourth object of the present invention is to propose a kind of steam generator.
The 5th purpose of the present invention is to propose a kind of cooking appliance.
In order to achieve the above object, first aspect present invention embodiment proposes a kind of scale removal control method of steam generator,
The steam generator includes drain valve, and the drain valve corresponds to the discharge outlet setting of the steam generator, the method packet
Include following steps：S1 supplies said preset amount of water to the steam generator；S2 controls the drain valve and opens the first preset time,
And control the steam generator and heating work is carried out with preset maximum power, so that the steam generator enters dry combustion method shape
State；S3 controls the steam generator and stops heating when the temperature of the steam generator inner cavity reaches the first preset temperature
Work, to complete a thermal shock cycle；Above-mentioned steps S1-S3 is repeated, until completing the number of thermal shock cycle
Reach preset times.
The scale removal control method of steam generator according to the ... of the embodiment of the present invention presets water by being supplied to steam generator
Amount, and control drain valve and open the first preset time, and then control steam generator and heating work is carried out with preset maximum power,
So that steam generator enters dry-fire condition, and when the temperature in steam generator inner cavity reaches the first preset temperature, control is steamed
Vapour generator stops heating work, to complete a thermal shock cycle；Above-mentioned steps are repeated, until completing thermal shock
The number of cycle reaches preset times.The water that the control method makes to be adhered on steam generator inner cavity by thermal shock method
Dirt falls off, and the incrustation scale to fall off is discharged from discharge outlet, and without scale remover, the time has been saved, the convenience of scale removal is improved,
And simple easily realization.
According to some embodiments of the present invention, in the step S1 during first time thermal shock recycles and between step S2, also
It controls the steam generator and carries out heating work, the water in the steam generator is heated to the second preset temperature and is protected
Hold the second preset time, wherein second preset temperature is less than first preset temperature.
According to some embodiments of the present invention, first preset time is according to the said preset amount of water and the drain valve
Flow rate calculation, wherein the drain valve opens the displacement H=k*H0 of first preset time, wherein the value of k is 3/4
~9/10, H0 are the said preset amount of water.
According to some embodiments of the present invention, the steam generator is boiler type steam generator or flow channel type steam
Generator.
According to some embodiments of the present invention, when the steam generator is flow channel type steam generator, the steam
The water inlet and discharge outlet of generator are realized by three-way pipe.
In order to achieve the above object, second aspect of the present invention embodiment proposes a kind of non-transitory computer-readable storage medium
Matter, the program realize the scale removal control method of above-mentioned steam generator when being executed by processor.
Non-transitorycomputer readable storage medium according to the ... of the embodiment of the present invention storing with above-mentioned steam on it
The corresponding program of scale removal control method of generator is performed, and can make to be adhered to steam generator by thermal shock method
Incrustation scale on inner cavity falls off, and the incrustation scale to fall off is discharged from discharge outlet, and without scale remover, the time has been saved, has improved and removes
The convenience of dirt.
In order to achieve the above object, third aspect present invention embodiment proposes a kind of scale removal control device of steam generator,
Described device includes：Water pump, the water pump are used to supply water to the steam generator；Drain valve, described in the drain valve corresponds to
The discharge outlet of steam generator is arranged；Heating tube；Temperature sensor, the temperature sensor correspond to the steam generator inner cavity
Setting；Controller, the controller respectively with the water pump, the drain valve, the heating tube and the temperature sensor phase
Even, the controller for executing following steps successively：S1 controls the water pump and supplies default water to the steam generator
Amount；S2 controls the drain valve and opens the first preset time, and controls the heater and carry out heater with preset maximum power
Make, so that the steam generator enters dry-fire condition；S3, when the temperature of the steam generator inner cavity reaches the first default temperature
It when spending, controls the steam generator and stops heating work, to complete a thermal shock cycle；Wherein, the control is thought highly of
Above-mentioned steps S1-S3 is executed again, until the number for completing thermal shock cycle reaches preset times.
The scale removal control device of steam generator according to the ... of the embodiment of the present invention controls water pump by controller and is sent out to steam
Raw device supplies said preset amount of water, and controls drain valve and open the first preset time, so control heater with preset maximum power into
Row heating work, so that steam generator enters dry-fire condition, and the temperature in steam generator inner cavity reaches the first default temperature
When spending, control steam generator stops heating work, to complete a thermal shock cycle；It is repeated by controller above-mentioned
Step, until the number for completing thermal shock cycle reaches preset times.The control device makes adherency by thermal shock method
Incrustation scale on steam generator inner cavity falls off, and the incrustation scale to fall off is discharged from discharge outlet, and without scale remover, when having saved
Between, improve the convenience of scale removal, and simple easily realization.
According to some embodiments of the present invention, the controller is additionally operable to：In first time thermal shock cycle, step is executed
Before executing step S2 after rapid S1, the heating tube work is controlled, the steam generator is heated to the second default temperature
It spends and keeps the second preset time, wherein second preset temperature is less than first preset temperature.
According to some embodiments of the present invention, first preset time is according to the said preset amount of water and the drain valve
Flow rate calculation, wherein the drain valve opens the displacement H=k*H0 of first preset time, wherein the value of k is 3/4
~9/10, H0 are the said preset amount of water.
According to some embodiments of the present invention, the steam generator is boiler type steam generator or flow channel type steam
Generator.
According to some embodiments of the present invention, when the steam generator is flow channel type steam generator, the steam
The water inlet and discharge outlet of generator are realized by three-way pipe.
According to some embodiments of the present invention, the heating tube uses stainless steel heating tube or electrothermal film heating pipe.
To achieve the goals above, fourth aspect present invention embodiment proposes a kind of steam generator comprising above-mentioned
Steam generator scale removal control device.
The steam generator of the embodiment of the present invention makes to be adhered to by the scale removal control device of above-mentioned steam generator
Incrustation scale on steam generator inner cavity falls off, and the incrustation scale to fall off is discharged from discharge outlet, and without scale remover, when having saved
Between, improve the convenience of scale removal, and simple easily realization.
To achieve the goals above, fifth aspect present invention embodiment proposes a kind of cooking appliance comprising above-mentioned
Steam generator.
The cooking appliance of the embodiment of the present invention using above-mentioned steam generator, and then passes through above-mentioned steam generator
Scale removal control device can make the incrustation scale being adhered on steam generator inner cavity fall off, and the incrustation scale to fall off is discharged from discharge outlet,
And without scale remover, the time has been saved, the convenience of scale removal, and simple easily realization are improved.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the flow chart according to the scale removal control method of the steam generator of one embodiment of the invention；
Fig. 2 is the flow chart according to the scale removal control method of the steam generator of a specific embodiment of the invention；
Fig. 3 is the block diagram according to the scale removal control device of the steam generator of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram according to the steam generator of a specific embodiment of the invention；
Fig. 5 is the structural schematic diagram of the scale removal control device of the steam generator based on Fig. 4；And
Fig. 6 is the structural schematic diagram according to the steam generator of another specific embodiment of the invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
First, the basic principle of the scale removal of the steam generator of the lower embodiment of the present invention is briefly described：
In general, the volume of substance can change with the increase of own temperature, and substance is followed and is expanded with heat and contract with cold mostly
Rule, the specifically used coefficient of expansion are indicated.
Specifically, by substance characteristics table it is known that the coefficient of thermal expansion of stainless steel is about (15~20) × 10-6/
DEG C, the coefficient of thermal expansion of aluminium is (23~230) × 10-6/ DEG C, and the coefficient of thermal expansion of common incrustation scale (such as calcium carbonate) be (11~
215)×10-6/ DEG C (representative value be 11.7 × 10-6/℃).As can be seen that the heat of each substance from above-mentioned data
The coefficient of expansion is all different, by taking steam generator as an example, when the temperature rise of steam generator, due to the heat of each substance
The coefficient of expansion is different so that degrees of expansion when different substances is with temperature rise is different.Therefore, when two kinds of degrees of expansion not
When same substance is sticked together, corresponding adhesive force can be generated in the inside of substance by the conduction of viscous force between substance,
However, in practical applications, after incrustation scale lumps and to be formed, since the internal bond strength of substance of the same race is attached on than substance not of the same race
Power bigger is pullled when together, so that different material, when swelling state is different, dirty stain can be preferentially from steam generator
It is detached from inner surface.Therefore, in a vapor generator, worked alternatively by cold feed and heat-generating pipe to realize thermal shock
Method, the incrustation scale to be formed soon can be effectively removed.
Below with reference to the accompanying drawings the scale removal control method of the steam generator of the embodiment of the present invention is described, steam generator removes
Dirty control device, steam generator and cooking appliance.
Fig. 1 is the flow diagram of the scale removal control method of steam generator provided by one embodiment of the present invention.
In an embodiment of the present invention, steam generator includes drain valve, and drain valve corresponds to the discharge outlet of steam generator
Setting.
As shown in Figure 1, the scale removal control method of the steam generator includes the following steps：
S1 supplies said preset amount of water to steam generator.
Specifically, said preset amount of water can be injected into steam generator by water supply installation such as water pump, by steam heating
The efficient heat generation face of device impregnate in water, wherein said preset amount of water can according to the size in the efficient heat generation face of steam generator into
Row setting.
S2, control drain valve opens the first preset time, and controls steam generator and heated with preset maximum power
Work, so that steam generator enters dry-fire condition.
According to some embodiments of the present invention, the first preset time can according to the flow rate calculation of said preset amount of water and drain valve,
For example, drain valve opens the displacement H=t*F=k*H0 of the first preset time, t=k*H0/F can be calculated, wherein t the
One preset time, F are the flow of drain valve, and it is said preset amount of water that the value of k, which can be 3/4~9/10, H0,.
Specifically, after control drain valve opens the first preset time, remaining a small amount of water in steam generator inner cavity, this
When, it can control the heating tube of steam generator to carry out heating work with preset maximum power, so that steam generator enters dry combustion method
State.
Wherein, heater can be, but not limited to be stainless steel heating tube, electrothermal film heating pipe.
Optionally, during above-mentioned drain valve is opened, heating tube can be constantly in working condition, heating power
It can be configured as needed, such as can be that heating work is carried out with the half of maximum heating power, 3/4；Heating tube also may be used
To be in stop working state, until after the completion of draining, control heating tube is opened.
S3, when the temperature of steam generator inner cavity reaches the first preset temperature, control steam generator stops heater
Make, to complete a thermal shock cycle.
Wherein, the temperature of steam generator inner cavity can be detected by the temperature sensor being arranged in steam generator inner cavity
Degree, such as temperature sensor are mounted on the arm of steam generator inner cavity, and temperature sensitive member stretches to steam generator inner cavity.
In this embodiment, the first preset temperature can be obtained according to experiment, and value may be greater than 150 DEG C of value, and such as 160
℃。
It should be noted that after steam generator enters dry-fire condition, since dry combustion method temperature is higher, incrustation scale is easier to be de-
It falls, however (the aluminium heating tube and welding material of low melting point is such as used since dry combustion method temperature is limited by steam generator design
Steam generator be extremely difficult to the first preset temperature), at this point, can be by adding last layer swollen in the surface of internal cavity of steam generator
The coating that swollen coefficient differs greatly with incrustation scale, to promote scale removal effect of the steam generator under thermal shock.
S4 repeats above-mentioned steps S1-S3, until the number for completing thermal shock cycle reaches preset times.
Wherein, preset times can be determined according to the frequency that incrustation scale is removed, as incrustation scale is removed than more frequently situation
Under, if January removes 3~5 times, cycle-index is arranged at 3~5 times；In the case where incrustation scale is removed infrequently, such as one
The moon is removed once, and cycle-index can be arranged 10~15 times.
Specifically, said preset amount of water is supplied to steam generator first, so that effective heating surface of steam generator is immersed in
In water；Then control drain valve opens the first preset time, by the water discharge 3/4~9/10 in steam generator, and then controls
Steam generator processed carries out heating work with preset maximum power, so that steam generator enters dry-fire condition；Work as steam generation
After device enters dry-fire condition, constant temperature increases in steam generator, is preset when the temperature of steam generator inner cavity reaches first
When temperature, control steam generator stops heating, that is, completes a thermal shock.And execution above-mentioned steps are repeated several times, directly
Reach preset times to the number for completing thermal shock cycle, you can terminate cleaning incrustation scale.
It should be noted that since the steam generator has discharge outlet, the incrustation scale that falls off will can be every time recycled from draining
Mouth discharge, therefore each circulation time that thermal shock can be arranged is 30 seconds~3 minutes, to ensure that cleaning completely, can be arranged more
Secondary cycle.It should be appreciated that the cleaning performance of steam generator can be improved by way of the maintenance of high frequency clear water dirt.
This method is not necessarily to chemical detergent as a result, you can conveniently removes the incrustation scale in steam generator so that use
Family can safe and secure use steam generator, and this method hardware requirement is low, and processing time is short is, it can be achieved that scale of mass production is answered
With.
According to some embodiments of the present invention, in the step S1 during first time thermal shock recycles and between step S2, also
It controls steam generator and carries out heating work, the water in steam generator is heated to the second preset temperature and holding second is pre-
If the time.
Wherein, the second preset temperature is less than the first preset temperature.
Specifically, after a certain amount of water is added in steam generator, controllable steam generator is added by heating tube
Heat when reaching the second preset temperature (any value in such as 60~90 DEG C) with water temperature in a vapor generator, adjusts heating tube
Heating power, such as reduce heating power, interruption heating, make water temperature constant temperature in steam generator for a period of time (such as 1~2
Minute).A period of time in water after the heating is impregnated into the efficient heat generation face of steam heating device as a result, can effectively weaken steaming
Incrustation scale adhesive force in vapour generator, and then the elimination effect under thermal shock to incrustation scale can be improved.It should be appreciated that steam generation
Water temperature in device can be also detected by the temperature sensor of above-mentioned detection steam generator inner cavity temperature.Wherein, second is pre-
If time and the second preset temperature can be set by those skilled in the art according to actual conditions, specific limit is not done herein
System.
Further, the drain valve for controlling steam generator opens the first preset time, by the sewage discharge 3/4 after immersion
~9/10, and then the heating tube of steam generator is adjusted to maximum power to heat remaining a small amount of water, it generates as a result, certain
Steam can auxiliary flush heating surface sticked to obtain less firm incrustation scale.
According to some embodiments of the present invention, steam generator can be that boiler type steam generator or flow channel type steam are sent out
Raw device.
Wherein, when steam generator is boiler type steam generator, two ports can be set on steam generator, one
A water inlet as steam generator connects water supply installation, another discharge outlet as steam generator, in the discharge outlet
Upper setting drain valve.
When steam generator is flow channel type steam generator, a port is set, and then steam is sent out on steam generator
The water inlet and discharge outlet of raw device can be realized by three-way pipe.Specifically, three-way pipe includes first port, second port and third
Port.First port is connected with water supply installation, as the water inlet of steam generator, the port of second port and steam generator
It is connected, discharge outlet of the third port as steam generator, and drain valve setting is on the third port.It is supplied when to steam generator
When water, drain valve is closed, and when controlling drain valve unlatching, the water in steam generator can be discharged from discharge outlet.
It should be appreciated that when steam generator is boiler type steam generator, one can also be arranged on steam generator
Port, and then the water inlet of steam generator and discharge outlet can be realized by three-way pipe, realization method and above-mentioned flow channel type steam
The realization method of generator is similar.
Further, in one embodiment of the invention, coating can be equipped on steam generator inner cavity, wherein coating
The coefficient of expansion and the coefficient of expansion of incrustation scale between difference be more than preset value, which can be demarcated as needed.
Specifically, after steam generator enters dry-fire condition, since dry combustion method temperature is higher, incrustation scale is more easy to fall off,
However due to the limitation of steam generator design, some steam generator (aluminium heating tube and welding material as used low melting point
Steam generator) enter dry-fire condition after, preset dry combustion method temperature (i.e. 150 DEG C or more) is extremely difficult to, at this point, can pass through
Add the coating that one layer of coefficient of expansion differs greatly with incrustation scale in steam generator surface of internal cavity, to promote steam generator cold and hot
Scale removal effect under impact.
As the specific example of the present invention, as shown in Fig. 2, when the scale removal with the steam generator of example in real time of the invention
After the corresponding incrustation scale clear program of control method is run, following steps are executed：
S201, control water supply installation inject said preset amount of water to generator, keep the efficient heat generation face inside steam generator most
It may impregnate in water.
S202 controls the heating tube work of steam generator, so that the water temperature in steam generator reaches the second default temperature
It spends and keeps the second preset time.
S203, after immersion, control drain valve opens the first preset time, and the sewage in steam generator is discharged
3/4~9/10.
S204, the heating tube for controlling steam generator are run with preset maximum power, will be remaining in steam generator
Water is dryouied with most fast speed so that steam generator enters dry-fire condition.
S205, the constant temperature in steam generator inner cavity increases, when the temperature in steam generator inner cavity reaches first
When preset temperature, control heating tube stops heating work, completes a thermal shock cycle at this time.
S206, control water supply installation supplies said preset amount of water toward steam generator, and executes step S203~S205.
S207, judges whether thermal shock cycle reaches preset times, if it is, executing S208；If it is not, then going to
S206。
S208, scale removal terminate.
In conclusion the scale removal control method of the steam generator proposed according to embodiments of the present invention, passes through thermal shock
Method carries out scale removal, and effective scale removal can be realized without scale remover, family safe and secure can be used to use steam generator, passes through increasing
The discharge structure added substantially reduces the scale removal time, improves the convenience of scale removal, and the user experience is improved, and this method letter
It is single easily to realize.
In addition, the embodiment of the present invention also proposed a kind of non-transitorycomputer readable storage medium, it is stored thereon with
Computer program, the program realize the scale removal control method of above-mentioned steam generator when being executed by processor.
The non-transitorycomputer readable storage medium proposed according to embodiments of the present invention, store on it with it is above-mentioned
The corresponding program of scale removal control method of steam generator is performed, and can make to be adhered to steam hair by thermal shock method
Incrustation scale on raw device inner cavity falls off, and the incrustation scale to fall off is discharged from discharge outlet, and without scale remover, the time has been saved, has been improved
The convenience of scale removal.
In order to realize that above-described embodiment, the present invention also propose a kind of scale removal control device of steam generator.
Fig. 3 is the structural schematic diagram of the scale removal control device of steam generator provided in an embodiment of the present invention.
As shown in figure 3, the scale removal control device of the steam generator includes：Water pump 100, drain valve 200, heating tube 300,
Temperature sensor 400, controller 500.
Wherein, water pump 100 is used to supply water to steam generator.Drain valve 200 corresponds to the discharge outlet setting of steam generator.
Temperature sensor 400 corresponds to the setting of steam generator inner cavity.Controller 500 respectively with water pump 100, drain valve 200, heating tube
300 are connected with temperature sensor 400, and controller 500 for executing following steps successively：
S1, control water pump 100 supply said preset amount of water to steam generator；
S2, control drain valve 200 open the first preset time, and control heater and carry out heater with preset maximum power
Make, so that steam generator enters dry-fire condition；
Wherein, the first preset time can be according to the flow rate calculation of said preset amount of water and drain valve 200, wherein drain valve 200 is opened
Open the displacement H=k*H0 of the first preset time, wherein the value of k is that 3/4~9/10, H0 is said preset amount of water.
S3, when the temperature of steam generator inner cavity reaches the first preset temperature, control steam generator stops heater
Make, to complete a thermal shock cycle.
In this embodiment, controller 500 repeats above-mentioned steps S1-S3, until completing time of thermal shock cycle
Number reaches preset times.
Optionally, heating tube 300 can be, but not limited to use stainless steel heating tube or electrothermal film heating pipe.
In some embodiments of the invention, controller 500 is additionally operable in first time thermal shock recycles, and executes step
Before executing step S2 after S1, control heating tube 300 works, and steam generator is heated to the second preset temperature and is kept
Second preset time, wherein the second preset temperature is less than the first preset temperature.
Specifically, in the cycle of thermal shock for the first time, after water pump 100 is pumped into said preset amount of water into steam generator, also
Heating tube 300 is controlled by controller 500 with certain heating power (such as half of maximum heating power, 3/4) to be added
Heat so that the water temperature in steam generator reaches the second preset temperature (such as 60~90 DEG C), and adjusts the fever work(of heating tube 300
Rate (such as reduces heating power, interruption heating), keeps the water temperature in steam generator pre- up to holding second when the second preset temperature
If the time (such as 1~2 minute), further to weaken the incrustation scale adhesive force in steam generator.Then it is controlled by controller 500
Drain valve 200 opens the first preset time, the water discharge 3/4~9/10 after impregnating.
Optionally, during above-mentioned drain valve 200 is opened, heating tube 300 can be constantly in working condition, add
Thermal power can be configured as needed, such as can carry out heating work with the half of maximum heating power, 3/4；Heating
Pipe 300 can also be in stop working state, until after the completion of draining, control heating tube 300 is opened.
In one embodiment of the invention, steam generator can be that boiler type steam generator or flow channel type steam are sent out
Raw device.
In one example, as shown in Figure 4, Figure 5, when steam generator is boiler type steam generator, temperature sensing
Device 400 is arranged on steam generator side wall 3, and the temperature sensitive member 4 of temperature sensor 400 is arranged in steam generator
In chamber 6.Water inlet 1 and discharge outlet 2 are arranged at the bottom of steam generator, and water pump 100 can pass through water inlet pipe and 1 phase of water inlet
Even, drain valve 200 may be provided at and in discharge outlet 2 or be arranged on the drainpipe being connected with discharge outlet 2.Controller 500 is to water
The control work of pump 100, drain valve 200 and heating tube 300 can pass through governor circuit board chip 501 shown in fig. 5 and master control electricity
Road switching plate device 502 is realized.It should be appreciated that the dotted line for connecting governor circuit board chip 501 shown in Fig. 5 connects in order to control
Line, the transmission direction of dotted arrow indication signal.
As shown in figure 5, when carrying out scale removal to the boiler type steam generator, governor circuit board chip 501 controls water pump
100 work, steam generator inner cavity 6 is pumped by the water in water box 5 from water inlet 1, and it is said preset amount of water to be pumped into water.It pumps
After the completion, governor circuit board chip 501 is controlled heating tube 300 and is started with certain power (can be the half of maximum heating power)
Heating until the water temperature in steam generator inner cavity reaches certain temperature (such as 75 DEG C), and maintains temperature certain time (such as
1.5 minutes), further to weaken the incrustation scale adhesive force in steam generator.
Further, governor circuit board chip 501 controls drain valve 200 and opens a period of time, will be in steam generator
Water discharge 3/4~9/10 to waste water box 7, and then control heating tube 300 and begun to warm up with maximum heating power, it is certain to generate
Steam auxiliary flush heating surface sticked to obtain less firm incrustation scale.After steam generator enters dry-fire condition, steam
Constant temperature in vapour generator inner cavity increases, when the temperature in steam generator inner cavity reaches dry combustion method temperature (such as 165 DEG C), then
Control heating tube 300 is stopped.At this point, completing first thermal shock cycle.
Further, control water pump 100 is pumped into said preset amount of water to steam generator again, and then controls drain valve 200
A period of time is opened, after by water discharge 3/4~9/10 to waste water box 7, control heating tube 300 starts to add with maximum heating power
Heat then controls heating tube 300 and is stopped until the temperature in steam generator inner cavity reaches dry combustion method temperature (such as 165 DEG C), weight
Multiple process, until thermal shock cycle-index reaches preset times.
In another example, when steam generator be flow channel type steam generator when, the water inlet of steam generator and
Discharge outlet is realized by three-way pipe.Specifically, as shown in fig. 6, water inlet 1 and discharge outlet 2 are arranged at the bottom of steam generator
Portion, and water inlet 1 and discharge outlet 2 can realize that the first port of i.e. three-way pipe 9 is water inlet 1, can be connected by a three-way pipe 9
Water pipe is tapped into, second port is discharge outlet 2, can connect drainpipe, third port is connected at the port of steam generator bottom.
In this example, as shown in fig. 6, temperature sensor 400 is arranged on steam generator bottom plate 8, and temperature sensing
The temperature sensitive member 4 of device 400 stretches in the runner of steam generator bottom.Similarly, water pump 100 by water inlet pipe with into
The mouth of a river 1 is connected, drain valve 200 may be provided in discharge outlet 2 or the drainpipe that is connected with discharge outlet 2 on.Controller 500 is to water pump
100, the control work of drain valve 200 and heating tube 300 can pass through governor circuit board chip 501 shown in fig. 5 and governor circuit
Switching plate device 502 is realized.Shown in the specific workflow and Fig. 4, Fig. 5 of the control device of the steam generator of the specific example
The workflow of specific example is identical, is not repeated herein.
It should be noted that the explanation of the aforementioned scale removal control method embodiment to steam generator is also applied for this
The scale removal control device of the steam generator of embodiment, details are not described herein again.
The scale removal control device of the steam generator of the embodiment of the present invention carries out scale removal by thermal shock method, without
Effective scale removal can be realized in scale remover, family safe and secure can be used to use steam generator, by increased discharge structure, significantly
The scale removal time is shortened, the convenience of scale removal is improved, the user experience is improved, and the device is simply easily realized.
In order to realize that above-described embodiment, the present invention also propose a kind of steam generator, which includes above-mentioned
The scale removal control device of steam generator.
Steam generator according to the ... of the embodiment of the present invention can be made by the scale removal control device of above-mentioned steam generator
The incrustation scale being adhered on steam generator inner cavity falls off, and the incrustation scale to fall off is discharged from discharge outlet, and without scale remover, it saves
Time improves the convenience of scale removal, and simple easily realizes.
In order to realize that above-described embodiment, the present invention also propose a kind of cooking appliance, which includes above-mentioned steam
Generator.
Cooking appliance according to the ... of the embodiment of the present invention can pass through above-mentioned steam generation using above-mentioned steam generator
The scale removal control device of device, makes the incrustation scale being adhered on steam generator inner cavity fall off, and the incrustation scale to fall off is arranged from discharge outlet
Go out, and without scale remover, the time has been saved, the convenience of scale removal, and simple easily realization are improved.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing custom logic function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (system of such as computer based system including processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating or passing
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.Such as, if realized in another embodiment with hardware, following skill well known in the art can be used
Any one of art or their combination are realized：With for data-signal realize logic function logic gates from
Logic circuit is dissipated, the application-specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, it can also
That each unit physically exists alone, can also two or more units be integrated in a module.Above-mentioned integrated mould
The form that hardware had both may be used in block is realized, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and when sold or used as an independent product, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as the limit to the present invention
System, those skilled in the art can be changed above-described embodiment, change, replace and become within the scope of the invention
Type.
Claims (14)
1. a kind of scale removal control method of steam generator, which is characterized in that the steam generator includes drain valve, the row
Water valve corresponds to the discharge outlet setting of the steam generator, the described method comprises the following steps：
S1 supplies said preset amount of water to the steam generator；
S2 is controlled the drain valve and opens the first preset time, and controlled the steam generator and carried out with preset maximum power
Heating work, so that the steam generator enters dry-fire condition；
S3 controls the steam generator and stops adding when the temperature of the steam generator inner cavity reaches the first preset temperature
Thermal technology makees, to complete a thermal shock cycle；
Above-mentioned steps S1-S3 is repeated, until the number for completing thermal shock cycle reaches preset times.
2. the scale removal control method of steam generator as described in claim 1, which is characterized in that followed in first time thermal shock
Between step S1 in ring and step S2, also controls the steam generator and carry out heating work, by the steam generator
In water be heated to the second preset temperature and keep the second preset time, wherein second preset temperature be less than described first
Preset temperature.
3. the scale removal control method of steam generator as described in claim 1, which is characterized in that the first preset time root
According to the flow rate calculation of the said preset amount of water and the drain valve, wherein the drain valve opens the row of first preset time
Water H=k*H0, wherein the value of k is that 3/4~9/10, H0 is the said preset amount of water.
4. the scale removal control device of steam generator as claimed in claim 3, which is characterized in that the steam generator is pot
Stove formula steam generator or flow channel type steam generator.
5. the scale removal control method of steam generator as claimed in claim 4, which is characterized in that when the steam generator is
When flow channel type steam generator, the water inlet and discharge outlet of the steam generator are realized by three-way pipe.
6. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program quilt
The method as described in any one of claim 1-5 is realized when processor executes.
7. a kind of scale removal control device of steam generator, which is characterized in that described device includes：
Water pump, the water pump are used to supply water to the steam generator；
Drain valve, the drain valve correspond to the discharge outlet setting of the steam generator；
Heating tube；
Temperature sensor, the temperature sensor correspond to the steam generator inner cavity setting；
Controller, the controller respectively with the water pump, the drain valve, the heating tube and the temperature sensor phase
Even, the controller for executing following steps successively：
S1 controls the water pump and supplies said preset amount of water to the steam generator；
S2 is controlled the drain valve and opens the first preset time, and controlled the heater and heated with preset maximum power
Work, so that the steam generator enters dry-fire condition；
S3 controls the steam generator and stops adding when the temperature of the steam generator inner cavity reaches the first preset temperature
Thermal technology makees, to complete a thermal shock cycle；
Wherein, the controller repeats above-mentioned steps S1-S3, until the number for completing thermal shock cycle reaches default time
Number.
8. the scale removal control device of steam generator as claimed in claim 8, which is characterized in that the controller is additionally operable to：
In first time thermal shock cycle, before executing step S2 after execution step S1, the heating tube work is controlled, with
The steam generator is heated to the second preset temperature and keeps the second preset time, wherein second preset temperature is small
In first preset temperature.
9. the scale removal control device of steam generator as claimed in claim 7, which is characterized in that the first preset time root
According to the flow rate calculation of the said preset amount of water and the drain valve, wherein the drain valve opens the row of first preset time
Water H=k*H0, wherein the value of k is that 3/4~9/10, H0 is the said preset amount of water.
10. the scale removal control device of steam generator as claimed in claim 7, which is characterized in that the steam generator is
Boiler type steam generator or flow channel type steam generator.
11. the scale removal control device of steam generator as claimed in claim 10, which is characterized in that when the steam generator
For flow channel type steam generator when, the water inlet and discharge outlet of the steam generator are realized by three-way pipe.
12. the scale removal control device of the steam generator as described in any one of claim 7-11, which is characterized in that described to add
Heat pipe uses stainless steel heating tube or electrothermal film heating pipe.
13. a kind of steam generator, which is characterized in that including the steam generator as described in any one of claim 7-12
Scale removal control device.
14. a kind of cooking appliance, including steam generator as claimed in claim 13.
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| CN201810404486.3A CN108592002B (en) | 2018-04-28 | 2018-04-28 | Cooking appliance, steam generator and descaling control method and device of steam generator |
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| CN201810404486.3A CN108592002B (en) | 2018-04-28 | 2018-04-28 | Cooking appliance, steam generator and descaling control method and device of steam generator |
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| CN110793015A (en) * | 2019-11-01 | 2020-02-14 | 深圳贝迅科技有限公司 | Descaling control method for steam generator of steam device |
| CN111074516A (en) * | 2018-10-22 | 2020-04-28 | Seb公司 | Method for cleaning an iron provided with a scale recovery chamber |
| CN111219696A (en) * | 2020-02-11 | 2020-06-02 | 华帝股份有限公司 | Steam generator, using method thereof and steam cooking device |
| CN111594822A (en) * | 2020-05-15 | 2020-08-28 | 珠海格力智能装备有限公司 | Descaling method and cleaning apparatus |
| CN112747303A (en) * | 2021-01-25 | 2021-05-04 | 山东金佰特商用厨具有限公司 | Automatic scale-removing steam equipment and control method |
| CN113475942A (en) * | 2021-06-23 | 2021-10-08 | 华帝股份有限公司 | Control method of cooking equipment and cooking equipment applying control method |
| CN113514501A (en) * | 2021-04-08 | 2021-10-19 | 广东吉宝鼎辰电器有限公司 | Water body monitoring method of steam generator |
| CN114468746A (en) * | 2020-11-13 | 2022-05-13 | 杭州九阳小家电有限公司 | Control method of disc type water storage steam generator and cooking equipment |
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| CN111074516A (en) * | 2018-10-22 | 2020-04-28 | Seb公司 | Method for cleaning an iron provided with a scale recovery chamber |
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| CN112747303A (en) * | 2021-01-25 | 2021-05-04 | 山东金佰特商用厨具有限公司 | Automatic scale-removing steam equipment and control method |
| CN113514501A (en) * | 2021-04-08 | 2021-10-19 | 广东吉宝鼎辰电器有限公司 | Water body monitoring method of steam generator |
| CN113514501B (en) * | 2021-04-08 | 2024-02-09 | 广东吉宝鼎辰电器有限公司 | Water body monitoring method of steam generator |
| CN113475942A (en) * | 2021-06-23 | 2021-10-08 | 华帝股份有限公司 | Control method of cooking equipment and cooking equipment applying control method |
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