CN108041975A - A kind of method for heating and controlling of food processor - Google Patents
A kind of method for heating and controlling of food processor Download PDFInfo
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- CN108041975A CN108041975A CN201710674810.9A CN201710674810A CN108041975A CN 108041975 A CN108041975 A CN 108041975A CN 201710674810 A CN201710674810 A CN 201710674810A CN 108041975 A CN108041975 A CN 108041975A
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- temperature
- heating
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- steam
- food processor
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Commercial Cooking Devices (AREA)
Abstract
The embodiment of the invention discloses a kind of method for heating and controlling of food processor, the heating system of the food processor includes steam generation facility, and steam generation facility includes heating tube；Heating tube will be converted into vapor into the water of steam generation facility, and heating system heats material by the vapor of output, and this method includes：By the water intake velocity and leaving water temperature that control steam generation facility steam generation facility is controlled to go out water state, to realize multiple heating mode.
Description
Technical field
The present embodiments relate to cooking equipment control technology, espespecially a kind of method for heating and controlling of food processor.
Background technology
Current food processor has the following problems：
1st, using heating tube or electromagnetic heating mode food processor (such as soy bean milk making machine or cooking machine), directly to material
It is heated or infusion, vessel temp is excessively high is easy to cause material adhesion on the wall for heating, causes to paste pipe problem, not only shadow
Drink mouthfeel is rung, and user cleans trouble；
2nd, current user is higher and higher to the functional requirement of food processor, and food processor is multi-functional to have become one
Trend, but steam-heated mode is relatively simple at present, simply it is simple generate and food materials are heated using steam or
Heat preservation ensures steam-heated heating effect without a kind of reliable and stable control means and its heating effect is adjusted
Section meets the demand for heat that difference in functionality cooking makes；And prior art steam generation effect is unstable, can not ensure steam
The stability and reliability of heating；
3rd, steam-heated principle is that material is heated using vapor, but if there is blocking inside machine,
Largely aggregation will explode vapor, seriously endanger customer's personal safety；And steam temperature is very high, when steam heats
If vapor sprays inside machine, it is easy to scald customer.So it is steam-heated simultaneously in application, ensure steam heating
Security it is most important；
4th, the installation of steam heating water storage module and water level detecting need additional increase detection circuit, and not only installation is complicated, and
And increase cost.
The content of the invention
An embodiment of the present invention provides a kind of method for heating and controlling of food processor, can solve current mode of heating list
First, it is unstable, the problem of food processor multi-functional slurrying demand can not be met.
In order to solve the above technical problems, the embodiment of the present invention adopts the following technical scheme that：
A kind of method for heating and controlling of food processor, the heating system of the food processor include steam generation facility,
Steam generation facility includes heating tube；Heating tube will be converted into vapor into the water of steam generation facility, and heating system passes through
The vapor of output heats material, and this method includes：
By the water intake velocity and leaving water temperature that control steam generation facility steam generation facility is controlled to go out water state, with
Realize multiple heating mode.
Optionally, going out water state includes：Water, gas-vapor mix and steam.
Optionally, the water outlet of steam generation facility is controlled by the water intake velocity and leaving water temperature that control steam generation facility
State includes：
The water intake velocity of steam generation facility is set in First Speed, and the water of entrance is directly exported or controlled heating
The water of entrance is heated to the first preset temperature and exported by pipe, and the water of the first temperature is less than or equal to output water temperature；Wherein,
First preset temperature is less than or equal to the first temperature；
First water intake velocity is calculated according to default first equation, according to the first water intake velocity calculated control into
Water, and control heating tube that the water of entrance is heated to the second preset temperature and export, with output water temperature higher than the first temperature
Water；Wherein, the second preset temperature is more than the first temperature；
Second water intake velocity is calculated according to default second equation, according to the second water intake velocity calculated control into
Water, and control that the water of entrance is heated to gas-vapor mix by heating tube or steam condition exports.
Optionally, the first equation includes：
Wherein, L is water intake velocity, and c is the specific heat capacity of water, and β is the efficiency of heating surface of heating tube, and P is the maximum work of heating tube
Rate, T1 are inflow temperature, and T2 is default leaving water temperature；
Second equation includes：LαM；
Wherein, M is quality of material, and α is proportionality coefficient.
Optionally, this method further includes：When exporting gas-vapor mix or steam, steam temperature is determined according to temperature of charge
Degree, when gas-vapor mix or vapor (steam) temperature reach determine gas-vapor mix or steam are exported when going out stripping temperature.
Optionally, determine that stripping temperature includes according to temperature of charge：
When detecting that temperature of charge is less than or equal to default first temperature threshold, determine that stripping temperature is greater than or equal to
Default second temperature threshold value；
When detecting that temperature of charge is more than first temperature threshold, determine that stripping temperature is less than second temperature threshold value；
Wherein, the temperature difference of stripping temperature and second temperature threshold value is gone out with the increase of temperature of charge and the temperature difference of the first temperature threshold
And increase；First temperature threshold is less than second temperature threshold value.
Optionally, this method further includes：When exporting gas-vapor mix or steam, determined according to different heating modes
Stripping temperature, when gas-vapor mix or vapor (steam) temperature reach determine gas-vapor mix or steam are exported when going out stripping temperature；
Wherein, heating mode includes：Quick heating, normal heating, infusion heating and Heat preservation.
Optionally, determine that stripping temperature includes according to different heating modes：
When in quick heating mode, stripping temperature will be gone out it is set in the temperature that is above the boiling point to meet the first temperature range
In temperature；
When in normal heating pattern, stripping temperature will be gone out it is set in the temperature that is above the boiling point to meet second temperature scope
In temperature；
When in infusion heating or Heat preservation pattern, the temperature of boiling point stripping temperature will be gone out is set in；
Wherein, the temperature of the first temperature range is higher than the temperature of second temperature scope.
Optionally, this method further includes：Leaving water temperature is detected in real time and goes out stripping temperature, and passes through the water outlet detected in real time
Temperature carries out closed-loop control with stripping temperature is gone out to the heating power for going out water speed and heating tube.
Optionally, by the leaving water temperature that detects in real time and stripping temperature is gone out to going out the heating power of water speed and heating tube
Carrying out closed-loop control includes：
When detecting that temperature value of the leaving water temperature higher than corresponding preset temperature reaches default first threshold, judge to add
The heating power gear Level of heat pipe, if Level is minimum gear, raising draws water speed to increase water intake velocity, if
Level is not minimum gear, then reduces the Level of heating tube；
When detecting out that temperature value of the stripping temperature less than institute's temperature reaches default second threshold, heating tube is judged
Level, if Level is maximum gear, reduction draws water speed to reduce water intake velocity, if Level is not maximum
The Level of heating tube is then improved in position.
Optionally, this method further includes：
By pressure in the real-time signal piping of default pressure sensor in steam pipework, when detecting that pipeline inner pressure is big
When default pressure threshold K, reduction draws water speed to reduce steam production；When continuous more within the default time
It is secondary when detecting that pipeline inner pressure is greater than or equal to pressure threshold K, heating tube and water inlet are closed, and sends alarm；And
The steaming escaped on sealing cover is detected by the temperature sensor set on the cavity sealing cover of food processor in real time
The temperature of vapour, when the temperature for the steam for detecting effusion is greater than or equal to default high temperature threshold value TmaxWhen, control cavity sealing cover
The radiator of upper setting is actuated for radiating.
The advantageous effect of the embodiment of the present invention includes：
1st, the embodiment of the present invention controls steam generation to fill by the water intake velocity and leaving water temperature for controlling steam generation facility
That puts goes out water state, and to realize multiple heating mode, it is single, unstable to solve current mode of heating, can not meet food and add
The problem of work machine multi-functional slurrying demand.
2nd, the embodiment of the present invention goes out water state and can include：Water, gas-vapor mix and steam.Realize same heating
System can export cold water, hot water, gas-vapor mix, Low Temperature Steam and high-temperature steam multiple heating modes, solve and add at present
Hot systems mode of heating is single and common heating mode directly heats caused material paste pipe, difficult the problems such as cleaning.
3rd, the embodiment of the present invention determines stripping temperature according to temperature of charge, works as water when exporting gas-vapor mix or steam
Vapour mixture or vapor (steam) temperature reach output gas-vapor mix or the steam when going out stripping temperature determined.The embodiment scheme ensures
The stability and reliability of steam heating effect under different material temperature conditionss.
4th, the embodiment of the present invention determines steam temperature when exporting gas-vapor mix or steam according to different heating modes
Degree, when gas-vapor mix or vapor (steam) temperature reach determine gas-vapor mix or steam are exported when going out stripping temperature；The embodiment
Scheme ensure that steam-heated reliability.
5th, the embodiment of the present invention works as detection by pressure in the real-time signal piping of default pressure sensor in steam pipework
When going out pipeline inner pressure more than or equal to default pressure threshold K, reduction draws water speed to reduce steam production；When default
Time in continuous several times when detecting that pipeline inner pressure is greater than or equal to pressure threshold K, close heating tube and water inlet, and send
Alarm.The embodiment scheme ensure that the peace of steam-heating system using loine pressure control technology and intelligent cooling technology
Quan Xing solves security risk existing for current steam-heating system.
Description of the drawings
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the method for heating and controlling flow chart of the food processor of the embodiment of the present invention；
Fig. 2 is the method for heating and controlling structure diagram of the food processor of the embodiment of the present invention；
Fig. 3 be the embodiment of the present invention to water intake velocity, leaving water temperature and go out stripping temperature carry out closed-loop control method show
It is intended to.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are more clearly understood, below in conjunction with attached drawing pair
The embodiment of the present invention is described in detail.It should be noted that in the case where there is no conflict, embodiment and reality in the application
Applying the feature in example can mutually be combined.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions
It performs.Also, although logical order is shown in flow charts, it in some cases, can be to be different from herein suitable
Sequence performs shown or described step.
Embodiment one
A kind of method for heating and controlling of food processor, the heating system of the food processor include steam generation facility,
Steam generation facility includes heating tube；Heating tube will be converted into vapor into the water of steam generation facility, and heating system passes through
The vapor of output heats material, enters shown in Fig. 1, and this method can include S101：
S101, the water intake velocity by controlling steam generation facility and leaving water temperature control going out for steam generation facility watery
State, to realize multiple heating mode.
Optionally, going out water state includes：Water, gas-vapor mix and steam.
In embodiments of the present invention, heating system can set water intake velocity and leaving water temperature value, different water intake velocity
Determine the inflow and quantity of steam of unit interval, what different leaving water temperatures determined output is cold water, hot water or steam, is realized
Same heating system can export cold water, hot water, gas-vapor mix, Low Temperature Steam and high-temperature steam multiple heating modes.It solves
Current heating system heats mode is single and common heating mode directly heat caused by material paste pipe, difficult cleaning etc. ask
Topic.
Optionally, the water outlet of steam generation facility is controlled by the water intake velocity and leaving water temperature that control steam generation facility
State can include following three kinds of situations：
The water intake velocity of steam generation facility is set in First Speed by situation one, and the water of entrance directly exported or
The water of entrance is heated to the first preset temperature and exported by control heating tube, is less than or equal to the first temperature with output water temperature
Water；Wherein, the first preset temperature is less than or equal to the first temperature.
In embodiments of the present invention, which can be the maximum water intake velocity of steam generation facility.It is defeated when needing
When going out cold water or normal-temperature water, which could be provided as maximum gear (such as First Speed), to reduce flooding time, and will
The water of entrance directly exports, you can obtains the cold water or normal-temperature water.When needing the relatively low warm water of output temperature, such as requirement should
When exporting the temperature of water less than or equal to the first temperature, water intake velocity can equally could be provided as to maximum gear, to reduce
Flooding time, and control heating tube that the water of entrance is heated to the first preset temperature and export, which is
Less than or equal to the temperature of the first temperature, with water of the output water temperature less than or equal to the first temperature.
Situation two calculates the first water intake velocity according to default first equation, according to the first water intake velocity calculated
Control water inlet, and control heating tube that the water of entrance is heated to the second preset temperature and export, it is higher than first with output water temperature
The water of temperature；Wherein, the second preset temperature is more than the first temperature.
In embodiments of the present invention, when needing to export hot water, for example, temperature is more than the water of the first above-mentioned temperature, into
Water speed L can be determined according to the maximum power P of leaving water temperature T2 and heating tube, specifically, can pass through following first etc.
Formula is calculated.For leaving water temperature, the second preset temperature can will be heated into the water of steam generation facility, this is second pre-
If temperature is more than the first temperature, the hot water of the first temperature is higher than so as to output water temperature.
Optionally, the first equation can include：
Wherein, L is water intake velocity, and c is the specific heat capacity of water, and β is the efficiency of heating surface of heating tube, and P is the maximum work of heating tube
Rate, T1 are inflow temperature, and T2 is default leaving water temperature.
Situation three calculates the second water intake velocity according to default second equation, according to the second water intake velocity calculated
Control water inlet, and control that the water of entrance is heated to gas-vapor mix by heating tube or steam condition exports.
In embodiments of the present invention, when needing to export gas-vapor mix or steam, water intake velocity L can be according to inventory
M is determined, specifically, can be calculated by the second following equatioies.
Optionally, the second equation can include：LαM；
Wherein, M is quality of material, and α is proportionality coefficient.
In embodiments of the present invention, inventory is more, and water intake velocity is faster, it is ensured that quickly material is heated or
Infusion.Proportionality coefficient α can be set according to the heating effect of specific model；Under the conditions of ensureing different capabilities, heating effect is fast
It is fast reliable.
In embodiments of the present invention, the detection method of inventory M can determine or utilize stream according to the capacity that user selects
Amount detection module mass flow is detected when adding material it is definite, as shown in Figure 2；It can also be examined by gravity sensor
The weight of material containing cup is surveyed to determine inventory.In embodiments of the present invention, do not limited for the specific acquisition methods of inventory
System.
Optionally, this method further includes：When exporting gas-vapor mix or steam, steam temperature is determined according to temperature of charge
Degree, when gas-vapor mix or vapor (steam) temperature reach determine gas-vapor mix or steam are exported when going out stripping temperature.
In embodiments of the present invention, when needing to export cold water, warm water or during hot water, that is, go out water state for water when, go out water temperature
Degree is directly disposed as room temperature or required coolant-temperature gage is heated.When needing to export steam or gas-vapor mix, water outlet
Temperature can be set according to temperature of charge T3, ensure the stability and reliability of different material temperature conditionss steam heating effect.
Optionally, determine that stripping temperature can include according to temperature of charge：
When detecting that temperature of charge is less than or equal to default first temperature threshold, determine that stripping temperature is greater than or equal to
Default second temperature threshold value；
When detecting that temperature of charge is more than first temperature threshold, determine that stripping temperature is less than second temperature threshold value；
Wherein, the temperature difference of stripping temperature and second temperature threshold value is gone out with the increase of temperature of charge and the temperature difference of the first temperature threshold
And increase；First temperature threshold is less than second temperature threshold value.
In embodiments of the present invention, material and the steam temperature difference are bigger, and heating effect is more apparent, but very high in temperature of charge
When, if vapor (steam) temperature is excessively high, just easily lead to material spilling.In order to ensure steam-heated effect, while avoid steam
It is overflowed during heating, this programme sets vapor (steam) temperature according to temperature of charge, and temperature of charge is higher, and vapor (steam) temperature is lower.
Embodiment two
Difference lies in go out stripping temperature when giving output gas-vapor mix or steam for the embodiment and embodiment one
Another acquisition methods.
Optionally, this method further includes：When exporting gas-vapor mix or steam, determined according to different heating modes
Stripping temperature, when gas-vapor mix or vapor (steam) temperature reach determine gas-vapor mix or steam are exported when going out stripping temperature；
Wherein, heating mode includes：Quick heating, normal heating, infusion heating and Heat preservation.
Optionally, determine that stripping temperature includes according to different heating modes：
When in quick heating mode, stripping temperature will be gone out it is set in the temperature that is above the boiling point to meet the first temperature range
In temperature；
When in normal heating pattern, stripping temperature will be gone out it is set in the temperature that is above the boiling point to meet second temperature scope
In temperature；
When in infusion heating or Heat preservation pattern, the temperature of boiling point stripping temperature will be gone out is set in；
Wherein, the temperature of the first temperature range is higher than the temperature of second temperature scope.
In embodiments of the present invention, which can include：10~20 DEG C；The second temperature scope can wrap
It includes：2~8 DEG C.
In embodiments of the present invention, when needing quick heating, go out stripping temperature T2 and may be set in more than boiling point 10~20
DEG C, material is quickly heated using high-temperature steam.When needing normal heating, go out stripping temperature T2 may be set in boiling point with
Upper 2~8 DEG C, material is heated using Low Temperature Steam.When needing infusion or heat preservation, go out stripping temperature T2 and can be set as boiling
Point carries out infusion using gas-vapor mix to material.
In embodiments of the present invention, going out stripping temperature T2 and above-mentioned temperature of charge T3 can be examined by default temperature
Module detection is surveyed to obtain.
Embodiment three
As shown in figure 3, the embodiment is with embodiment one, difference lies in water intake velocity, leaving water temperature and go out stripping temperature
Implement closed-loop control.
Optionally, this method can also include：Leaving water temperature is detected in real time and goes out stripping temperature, and passes through what is detected in real time
Leaving water temperature carries out closed-loop control with stripping temperature is gone out to the heating power for going out water speed and heating tube.
Optionally, by the leaving water temperature that detects in real time and stripping temperature is gone out to going out the heating power of water speed and heating tube
Carrying out closed-loop control can include：
When detecting that temperature value of the leaving water temperature higher than corresponding preset temperature reaches default first threshold, judge to add
The heating power gear Level of heat pipe, if Level is minimum gear, raising draws water speed to increase water intake velocity, if
Level is not minimum gear, then reduces the Level of heating tube；
When detecting out that temperature value of the stripping temperature less than institute's temperature reaches default second threshold, heating tube is judged
Level, if Level is maximum gear, reduction draws water speed to reduce water intake velocity, if Level is not maximum
The Level of heating tube is then improved in position.
In embodiments of the present invention, water intake velocity L can control pumping module to carry out by the driving circuit of pumping module
Adjustment, water intake velocity L can utilize the inflow of flow detection module detection unit interval to obtain, and the water inlet that this is detected
Speed is compared with the water intake velocity precomputed, to determine whether the actual water intake velocity detected is precalculating
In the error tolerance of the water intake velocity gone out, when detecting water intake velocity L not in the error tolerance of the water intake velocity precomputed
When interior, by the drive system of pumping module pumping module can be controlled to adjust water intake velocity, to ensure that water intake velocity stabilization can
It leans on；It is achieved thereby that the closed-loop control of water intake velocity.
In embodiments of the present invention, heating system is according to inflow temperature T1, water intake velocity L, leaving water temperature T2 setting heating
Power gear Level ensures the stability and reliability of steam heating effect when water inlet water temperature T 1 changes.
Optionally, heating power gear Level can be determined by following equatioies：
Level=L × (T2-T1) × c ÷ β；
Wherein, c is the specific heat capacity of water, and β is the efficiency of heating surface of heating tube, and T2 is stripping temperature, and T1 is inflow temperature.Pass through
This method embodiment setting heating tube power, it is ensured that go out the stability of stripping temperature T2, promote steam heating reliability.
Example IV
The embodiment gives the definite scheme of steam heating effect on the basis of above-mentioned any embodiment.
Optionally, whether the temperature of temperature of charge T3 is detected in default temperature range by default temperature sensor
It is interior, when temperature of charge T3 is within the scope of default temperature, determine to reach default steam heating effect；When temperature of charge T3 not
When within the scope of default temperature, not up to default steam heating effect is determined.
In embodiments of the present invention, heating system can be according to the water intake velocity and leaving water temperature determined in aforementioned schemes
Value controls water intake velocity by pumping module, and passes through flow detection module detection flows and calibrate water intake velocity, ensure that into
Water speed is reliable and stable；Additionally by the Power Control leaving water temperature of control heating tube, and utilize leaving water temperature detection sensor
Tube power is heated in closed-loop control, ensure that stable in outlet water temperature is reliable, solves steam generator in current techniques and only generate steaming
Vapour, but can not ensure steam output and the problem of steam heating effect reliability.
In embodiments of the present invention, this embodiment scheme can detect the temperature of temperature of charge T3 simultaneously by temperature sensor
It determines whether steam heating effect meets the requirements, ensures the reliability of steam heating effect.In addition, steam heating effect is intake
The combined factors such as speed L, heating power gear Level, vapor (steam) temperature T2, inventory M influence, and this embodiment scheme not only can be with
Ensure water intake velocity L, heating power gear Level, the reliability for going out the single conditions such as stripping temperature T2, quality of material M, can also examine
It surveys and controls steam heating effect, further ensure that the reliability of steam-heating system.
In embodiments of the present invention, the steam heating effect can also pass through the upper raising speed of temperature of charge in the unit interval
Degree judges, if the rate of climb of temperature of charge has reached preset standard within the unit interval, it is determined that reach default steam
Heating effect；If the rate of climb of temperature of charge is not up to preset standard within the unit interval, it is determined that not up to default
Steam heating effect.If it find that steam heating effect not in scope of design, then need to only adjust the speed L that draws water, other parameter
It will be according to aforementioned schemes adjust automatically, it is ensured that steam heats the reliability of overall effect.
In embodiments of the present invention, the flow detection module can not only detect and control inventory (i.e. quality of material),
And whether have water available for detection water storage module and whether extremely draw water, it prevents heating tube dry combustion method and the wind such as burning machine occurs
Danger, ensure that the security of steam-heating system.Wherein, if detecting that flow is zero in the unit interval, then it is assumed that draw water mould
It is anhydrous in block exception or water storage module, heating and water inlet can be closed, and carries out alarm.
Embodiment five
The embodiment improves the hardware of food processor on the basis of above-mentioned any embodiment, improves steaming
The security of vapour heating system.
Optionally, this method further includes：
By pressure in the real-time signal piping of default pressure sensor in steam pipework, when detecting that pipeline inner pressure is big
When default pressure threshold K, reduction draws water speed to reduce steam production；When continuous more within the default time
It is secondary when detecting that pipeline inner pressure is greater than or equal to pressure threshold K, heating tube and water inlet are closed, and sends alarm；And
The steaming escaped on sealing cover is detected by the temperature sensor set on the cavity sealing cover of food processor in real time
The temperature of vapour, when the temperature for the steam for detecting effusion is greater than or equal to default high temperature threshold value TmaxWhen, control cavity sealing cover
The radiator of upper setting is actuated for radiating.
In embodiments of the present invention, there can be very big pressure in steam pipework because of the generation of a large amount of gases, exist
Security risk；And vapor (steam) temperature is high, if steam is escaped out of container, it is easy to scald customer.The technical program utilizes pipe
Road Pressure Control Technology and intelligent cooling technology ensure the security of steam-heating system, solve current steam-heating system and deposit
Security risk.
In embodiments of the present invention, this embodiment scheme design pressure sensor in steam pipework, detects and controls in real time
Loine pressure processed prevents the security risks such as steam spilling or booster, ensure that steam-heating system security.Specifically, master is worked as
When control unit MCU detects that loine pressure is more than threshold k, the speed that will draw water L is reduced, and reduces the generation of quantity of steam, reduces pipeline
Pressure.If MCU is consecutively detected loine pressure more than threshold k, heating and water inlet are closed, alarm pipeline exists stifled
Plug.
In embodiments of the present invention, the pressure threshold K can be circuit design can long-term stable operation can bear
Maximum pressure.
In embodiments of the present invention, not only realize steam pipework pressure by the embodiment scheme to control, adjust in real time
Loine pressure prevents that booster occurs when quantity of steam is excessive, and can improve steaming with signal piping Abnormal Blocking, alarm
The security of vapour heating.
In embodiments of the present invention, steam escapes scald customer out of cavity in order to prevent, is designed on cavity sealing cover
There are radiator and temperature sensor, the radiator can preferred fan.When MCU detects effusion steam temperature on sealing cover
It spends T4 and is higher than high temperature threshold value TmaxWhen, control fan work heat dissipation prevents high-temperature steam effusion scald customer；
In embodiments of the present invention, high temperature threshold value TmaxIt can include：Two degree of 75 DEG C of temperature spots of scald.
The advantageous effect of the embodiment of the present invention can include：
1st, the embodiment of the present invention controls steam generation to fill by the water intake velocity and leaving water temperature for controlling steam generation facility
That puts goes out water state, and to realize multiple heating mode, it is single, unstable to solve current mode of heating, can not meet food and add
The problem of work machine multi-functional slurrying demand.
2nd, the embodiment of the present invention goes out water state and can include：Water, gas-vapor mix and steam.Realize same heating
System can export cold water, hot water, gas-vapor mix, Low Temperature Steam and high-temperature steam multiple heating modes.It solves and adds at present
Hot systems mode of heating is single and common heating mode directly heats caused material paste pipe, difficult the problems such as cleaning.
3rd, the embodiment of the present invention determines stripping temperature according to temperature of charge, works as water when exporting gas-vapor mix or steam
Vapour mixture or vapor (steam) temperature reach output gas-vapor mix or the steam when going out stripping temperature determined.The embodiment scheme ensures
The stability and reliability of steam heating effect under different material temperature conditionss.
4th, the embodiment of the present invention determines steam temperature when exporting gas-vapor mix or steam according to different heating modes
Degree, when gas-vapor mix or vapor (steam) temperature reach determine gas-vapor mix or steam are exported when going out stripping temperature；The embodiment
Scheme ensure that steam-heated reliability
5th, the embodiment of the present invention works as detection by pressure in the real-time signal piping of default pressure sensor in steam pipework
When going out pipeline inner pressure more than or equal to default pressure threshold K, reduction draws water speed to reduce steam production；When default
Time in continuous several times when detecting that pipeline inner pressure is greater than or equal to pressure threshold K, close heating tube and water inlet, and send
Alarm.The embodiment scheme ensure that the peace of steam-heating system using loine pressure control technology and intelligent cooling technology
Quan Xing solves security risk existing for current steam-heating system.
In short, by the embodiment of the present invention, solve material paste pipe, hardly possible caused by common heating mode directly heats
Cleaning problem；It is single, unstable to solve current mode of heating, can not meet the needs of soy bean milk making machine multi-functional slurrying；It solves
Steam heats potential safety issue, promotes steam heating safety, protects user's personal safety；Solves current technology storage
Wetting system test problems, complete machine structure is simpler, and cost is lower.
Although disclosed herein embodiment as above, the content only for ease of understanding the present invention and use
Embodiment is not limited to the present invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
On the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (11)
1. a kind of method for heating and controlling of food processor, the heating system of the food processor includes steam generation facility,
The steam generation facility includes heating tube；The heating tube will be converted into vapor into the water of the steam generation facility,
The heating system heats material by the vapor of output, which is characterized in that the described method includes：
Control going out for the steam generation facility watery by the water intake velocity and leaving water temperature that control the steam generation facility
State, to realize multiple heating mode.
2. the method for heating and controlling of food processor according to claim 1, which is characterized in that it is described go out water state bag
It includes：Water, gas-vapor mix and steam.
3. the method for heating and controlling of food processor according to claim 2, which is characterized in that described by described in control
The water intake velocity and leaving water temperature of steam generation facility control the water state that goes out of the steam generation facility to include：
The water intake velocity of the steam generation facility is set in First Speed, and described in the water of entrance directly exports or controlled
The water of entrance is heated to the first preset temperature and exported by heating tube, and the water of the first temperature is less than or equal to output water temperature；
Wherein, first preset temperature is less than or equal to first temperature；
First water intake velocity is calculated according to default first equation, according to first water intake velocity calculated control into
Water, and control the heating tube that the water of entrance is heated to the second preset temperature and export, with output water temperature higher than described the
The water of one temperature；Wherein, second preset temperature is more than first temperature；
Second water intake velocity is calculated according to default second equation, according to second water intake velocity calculated control into
Water, and control that the water of entrance is heated to the gas-vapor mix by the heating tube or the steam condition exports.
4. the method for heating and controlling of food processor according to claim 2, which is characterized in that the first equation bag
It includes：
Wherein, L is the water intake velocity, and c is the specific heat capacity of water, and β is the efficiency of heating surface of the heating tube, and P is the heating tube
Maximum power, T1 is inflow temperature, and T2 is default leaving water temperature；
Second equation includes：L=α * M；
Wherein, M is quality of material, and α is proportionality coefficient.
5. the method for heating and controlling of food processor according to claim 3, which is characterized in that the method further includes：
Exporting the gas-vapor mix or during the steam, stripping temperature determined according to temperature of charge, when the gas-vapor mix or
The vapor (steam) temperature reach determine the gas-vapor mix or the steam are exported when going out stripping temperature.
6. the method for heating and controlling of food processor according to claim 5, which is characterized in that described according to temperature of charge
Determine that stripping temperature includes：
When detecting that the temperature of charge is less than or equal to default first temperature threshold, determine it is described go out stripping temperature be more than or
Equal to default second temperature threshold value；
When detecting that the temperature of charge is more than first temperature threshold, determine it is described go out stripping temperature be less than the described second temperature
Spend threshold value；
Wherein, it is described go out stripping temperature and the second temperature threshold value the temperature difference with the temperature of charge and first temperature threshold
The temperature difference increase and increase；First temperature threshold is less than the second temperature threshold value.
7. the method for heating and controlling of food processor according to claim 3, which is characterized in that the method further includes：
When exporting the gas-vapor mix or the steam, stripping temperature is determined according to different heating modes, when the steam mixes
Close object or the vapor (steam) temperature reach determine the gas-vapor mix or the steam are exported when going out stripping temperature；
Wherein, the heating mode includes：Quick heating, normal heating, infusion heating and Heat preservation.
8. the method for heating and controlling of food processor according to claim 3, which is characterized in that described to be added according to different
Heat pattern determines that stripping temperature includes：
When in the quick heating mode, by it is described go out stripping temperature be set in the temperature that is above the boiling point and meet the first temperature model
In the temperature enclosed；
When in the normal heating pattern, by it is described go out stripping temperature be set in the temperature that is above the boiling point and meet second temperature model
In the temperature enclosed；
When in infusion heating or during the Heat preservation pattern, by it is described go out stripping temperature be set in the temperature of the boiling point
Degree；
Wherein, the temperature of first temperature range is higher than the temperature of the second temperature scope.
9. the method for heating and controlling of the food processor according to claim 5 or 7, which is characterized in that the method is also wrapped
It includes：In real time detection leaving water temperature and it is described go out stripping temperature, and pass through the leaving water temperature detected in real time and it is described go out steam temperature
Spend to it is described go out water speed and the heating tube heating power carry out closed-loop control.
10. the method for heating and controlling of food processor according to claim 9, which is characterized in that described by examining in real time
The leaving water temperature measured and it is described go out stripping temperature to it is described go out water speed and the heating tube heating power carry out closed loop
Control includes：
When detecting that temperature value of the leaving water temperature higher than corresponding preset temperature reaches default first threshold, institute is judged
The heating power gear Level of heating tube is stated, if the Level is minimum gear, it is described to increase that speed is drawn water in raising
Water intake velocity if the Level is not the minimum gear, reduces the Level of the heating tube；
When detect it is described go out stripping temperature reach default second threshold less than the temperature value of institute's temperature when, judge it is described plus
The Level of heat pipe, if the Level is maximum gear, reduction draws water speed to reduce the water intake velocity, if described
Level is not the maximum gear, then improves the Level of the heating tube.
11. the method for heating and controlling of food processor according to claim 1, which is characterized in that the method further includes：
By pressure in the real-time signal piping of default pressure sensor in steam pipework, when detecting that the pipeline inner pressure is big
When default pressure threshold K, reduction draws water speed to reduce steam production；When continuous more within the default time
It is secondary detect the pipeline inner pressure be greater than or equal to the pressure threshold K when, close the heating tube and water inlet, and send report
Alert prompting；And
It is detected by the temperature sensor set on the cavity sealing cover of the food processor and is escaped on the sealing cover in real time
Steam temperature, when the steam for detecting the effusion temperature be greater than or equal to default high temperature threshold value TmaxWhen, control institute
The radiator set on cavity sealing cover is stated to be actuated for radiating.
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| CN111387803A (en) * | 2019-01-03 | 2020-07-10 | 宁波方太厨具有限公司 | Steam system of double-inner-container steam box and detection method for steam valve fault of steam system |
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