CN108324965A - A kind of sterilization control system and method and cooking apparatus for cooking apparatus - Google Patents
A kind of sterilization control system and method and cooking apparatus for cooking apparatus Download PDFInfo
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- CN108324965A CN108324965A CN201710051696.4A CN201710051696A CN108324965A CN 108324965 A CN108324965 A CN 108324965A CN 201710051696 A CN201710051696 A CN 201710051696A CN 108324965 A CN108324965 A CN 108324965A
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 170
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 150
- 238000010411 cooking Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 115
- 230000007613 environmental effect Effects 0.000 claims abstract description 36
- 238000004321 preservation Methods 0.000 claims abstract description 19
- 235000013305 food Nutrition 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 5
- 238000010025 steaming Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 235000010469 Glycine max Nutrition 0.000 claims description 2
- 244000068988 Glycine max Species 0.000 claims description 2
- 235000012054 meals Nutrition 0.000 claims description 2
- 239000008267 milk Substances 0.000 claims description 2
- 210000004080 milk Anatomy 0.000 claims description 2
- 235000013336 milk Nutrition 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 11
- 235000016709 nutrition Nutrition 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 6
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000012041 food component Nutrition 0.000 description 1
- 239000005417 food ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
-
- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
- A61L2/06—Hot gas
- A61L2/07—Steam
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/24—Apparatus using programmed or automatic operation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The present invention relates to a kind of sterilization control system for cooking apparatus and method and cooking apparatus, sterilization control system includes main control chip, harvester and steam generator；Main control chip be used for cooking apparatus reservation terminate before or heat preservation terminate before the first preset time when, to steam generator send enabled instruction；At the end of cooking apparatus preengages end or heat preservation, halt instruction is sent to steam generator；Steam generator is used for when receiving enabled instruction, starts to convey high-temperature steam into heating chamber to adjust the temperature of heating chamber；When receiving halt instruction, do not rerun；Harvester is used under high temperature steam environments, is acquired the environmental signal in heating chamber and is sent to main control chip；Main control chip adjusts steam generator and runs power, the temperature in heating chamber is controlled in sterilization temperature according to environmental signal.The present invention sterilizes heating chamber using steam between subscription time or heat preservation terminate, and preventing cooking apparatus, bacterium is grown in reservation for a long time.
Description
Technical field
The present invention relates to cooking apparatus technical fields, and in particular to a kind of sterilization control system and side for cooking apparatus
Method and cooking apparatus.
Background technology
Rice cooker with long-time reservation function or heat insulation function is opposite in rice cooker when carrying out long-time reservation or heat preservation
Closed environment is moister, is easy to grow bacterium.Benefit when existing steam generator and steam channel are mainly used for cooking
It cooks a meal, bactericidal effect can not be played.
Invention content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of killing for cooking apparatus
Bacterium control system and method and cooking apparatus.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of sterilization control system for cooking apparatus,
Including main control chip, harvester and steam generator, the steam generator is connected to the heating chamber of the cooking apparatus；
The main control chip, for before cooking apparatus reservation terminates when the first preset time or heat preservation terminate before the
When one preset time, enabled instruction is sent to the steam generator；At the end of the cooking apparatus preengages end or heat preservation,
Halt instruction is sent to the steam generator；
The steam generator conveys high temperature for when receiving the enabled instruction, starting into the heating chamber
Steam is to adjust the temperature of the heating chamber；When receiving the halt instruction, stop conveying high temperature into the heating chamber
Steam；
The harvester, under high temperature steam environments, acquiring the environmental signal in the heating chamber, and will be described
Environmental signal is sent to main control chip；
The main control chip is additionally operable to adjust the operation power of the steam generator according to the environmental signal, by institute
The temperature stated in heating chamber is controlled in sterilization temperature.
The beneficial effects of the invention are as follows：The sterilization control system of the present invention, the ring that main control chip is fed back by harvester
Border signal controls the start and stop of steam generator, realizes the purpose by environmental signal control sterilization, prevent from sterilizing it is insufficient or
Sterilizing time is long and causes food spoilage.
Based on the above technical solution, the present invention can also be improved as follows.
Further, when the subscription time or soaking time are more than the second preset time, then when each second is default
Between terminate before the first subscription time when, control the steam generator and start.
Advantageous effect using above-mentioned further scheme is：Sterilization is primary at regular intervals, it is ensured that sterilization is complete, prevents
Only bacterium remains.
Further, the sterilization temperature is 110 DEG C -130 DEG C；
When the sterilization temperature is 130 DEG C, first preset time is not less than 10min；The sterilization temperature is 125 DEG C
When, first preset time is not less than 15min；When the sterilization temperature is 120 DEG C, first preset time is not less than
20min；When the sterilization temperature is 115 DEG C, first preset time is not less than 30min；The sterilization temperature is 110 DEG C,
First preset time is not less than 40min.
Advantageous effect using above-mentioned further scheme is：By rationally limiting sterilization temperature and sterilizing time, temperature is avoided
It is too short and cause sterilization incomplete to spend low or sterilizing time.
Further, the environmental signal is temperature signal；
When the environmental signal is temperature signal, the harvester is temperature sampler, and the temperature sampler is used
In the temperature signal acquired in the heating chamber and the temperature signal is sent to the main control chip；
The main control chip is used for when the corresponding temperature value of the temperature signal is higher than the sterilization temperature, by the steaming
The mean power of vapour generator is turned down so that the temperature in the heating chamber maintains sterilization temperature；When the temperature signal is less than
When the sterilization temperature, the mean power of the steam generator is tuned up so that the temperature in the heating chamber maintains sterilization
Temperature.
Advantageous effect using above-mentioned further scheme is：By the way that temperature sampler is arranged, steam can be controlled by temperature
The start and stop of generator, acquisition and control process are convenient and simple；It on the one hand ensure that the sufficiently high steam temperature that sterilization needs simultaneously
Degree, on the other hand prevents excessively high vapor (steam) temperature from being damaged to the nutritional ingredient of food.
Further, the environmental signal is pressure signal；
When the environmental signal is pressure signal, the harvester is pressure acquisition devices, and the pressure acquisition devices are used
In when the vapor in the heating chamber reaches saturation, acquiring the pressure signal in the heating chamber and by the pressure signal
It is sent to the main control chip；
The main control chip is used for when the corresponding temperature value of the pressure signal is higher than the sterilization temperature, by the steaming
The mean power of vapour generator is turned down so that the temperature in the heating chamber maintains sterilization temperature；When the pressure signal corresponds to
Temperature signal be less than the sterilization temperature when, the mean power of the steam generator is tuned up so that in the heating chamber
Temperature maintains sterilization temperature.
Advantageous effect using above-mentioned further scheme is：By the way that pressure acquisition devices are arranged, can monitor in cooking apparatus
When environment temperature, moreover it is possible to monitor the pressure in cooking apparatus；And on the one hand ensure that the sufficiently high vapor (steam) temperature that sterilization needs,
On the other hand prevent excessively high vapor (steam) temperature from being damaged to the nutritional ingredient of food.
A kind of sterilization control method for cooking apparatus includes the following steps：
S1, the cooking apparatus reservation terminate before the first preset time when or heat preservation terminate before the first preset time
When, steam generator conveys high-temperature steam into the heating chamber of the cooking apparatus；
S2 acquires the environmental signal in the heating chamber under high temperature steam environments；
S3 adjusts the temperature in the heating chamber and reaches sterilization temperature, and maintain the sterilization according to the environmental signal
Temperature terminates or keeps the temperature to terminate until the reservation of the cooking apparatus；
S4, at the end of the reservation terminates or keeps the temperature, steam generator stops conveying high temperature steaming into the heating chamber
Vapour.
The beneficial effects of the invention are as follows：The sterilization control method of the present invention, by acquiring the environmental signal of feedback, control is
It is no that high-temperature steam is conveyed into cooking apparatus, realize the purpose by environmental signal control sterilization, prevent from sterilizing it is insufficient or
Sterilizing time is long and causes food spoilage.On the one hand it ensure that the sufficiently high vapor (steam) temperature that sterilization needs, it is on the other hand anti-
Only excessively high vapor (steam) temperature damages the nutritional ingredient of food.
Further, the S1 further includes, when the subscription time is more than the second preset time, then when each second is default
Between terminate before the first preset time when, a high-temperature steam is conveyed into the heating chamber.
Advantageous effect using above-mentioned further scheme is：Sterilization is primary at regular intervals, it is ensured that sterilization is complete, prevents
Only bacterium remains.
Further, the sterilization temperature is 110 DEG C -130 DEG C；
When the sterilization temperature is 130 DEG C, first preset time is not less than 10min；The sterilization temperature is 125 DEG C
When, first preset time is not less than 15min；When the sterilization temperature is 120 DEG C, first preset time is not less than
20min；When the sterilization temperature is 115 DEG C, first preset time is not less than 30min；The sterilization temperature is 110 DEG C,
First preset time is not less than 40min.
Advantageous effect using above-mentioned further scheme is：By rationally limiting sterilization temperature and sterilizing time, temperature is avoided
It is too short and cause sterilization incomplete to spend low or sterilizing time.
Further, the S2 includes the temperature signal acquired in the heating chamber；
The S3 includes judging whether the corresponding temperature value of the temperature signal reaches the sterilization temperature of the heating chamber,
When the temperature signal is higher than the sterilization temperature of the heating chamber, the mean power of the steam generator is turned down；Work as institute
When stating sterilization temperature of the temperature signal less than the heating chamber, the mean power of the steam generator is tuned up.
Advantageous effect using above-mentioned further scheme is：It controls whether to convey steam into cooking apparatus by temperature,
On the one hand it ensure that the sufficiently high vapor (steam) temperature that sterilization needs, on the other hand prevent nutrition of the excessively high vapor (steam) temperature to food
Ingredient damages.
Further, the S2 includes the pressure signal acquired in the heating chamber；
The S3 includes judging whether the corresponding temperature value of the pressure signal is higher than the sterilization temperature of the heating chamber,
When the corresponding temperature signal of the pressure signal is higher than the sterilization temperature, by the mean power tune of the steam generator
It is small；When the corresponding temperature signal of the pressure signal is less than the sterilization temperature, by the mean power of the steam generator
It tunes up.
Advantageous effect using above-mentioned further scheme is：Control whether that high temperature is conveyed into cooking apparatus to be steamed by pressure
Vapour ensure that the sufficiently high vapor (steam) temperature that sterilization needs, on the other hand prevent excessively high vapor (steam) temperature to the nutrition of food at
Divide and damages.
A kind of cooking apparatus, including upper cover, cooker body and sterilization control system as described above, the steam generator installation
In the cooker body or upper cover；The upper cover is turnover to be equipped with steam in the open end of the cooker body, the upper cover
Channel；When the upper cover is closed, the steam channel entrance is connected with the steam (vapor) outlet of the steam generator, the steam
The outlet in channel is connected with the heating chamber.
The beneficial effects of the invention are as follows：The cooking apparatus of the present invention preengages the stage in long-time, to being carried out in cooking apparatus
High-temperature steam is sterilized, and opposite closed environment in cooking apparatus can be prevented moister, easy the problem of growing bacterium.
Further, reheater is installed, the reheater is electrically connected with the main control chip in the steam channel.
Advantageous effect using above-mentioned further scheme is：By the way that reheater is arranged, steam generator can be generated
Steam is heated again, prevents steam heat loss or condensation in transmission process.
Further, check valve is equipped in the steam channel, the check valve is electrically connected with the main control chip, for making
High-temperature steam is from steam generator one-way flow into the heating chamber of the cooking apparatus.
Advantageous effect using above-mentioned further scheme is：By the way that check valve is arranged, opposing steam flow is avoided.
Further, being equipped in the cooking apparatus makes the disperser that steam uniformly inputs, the disperser with it is described
Steam channel outlet is connected.
Advantageous effect using above-mentioned further scheme is：By the way that disperser is arranged, high-temperature steam and cooking pot can be made
Heating chamber contact in tool is more uniform.
Further, the cooking apparatus is electric cooker, electric pressure cooking saucepan, soy bean milk making machine or electric cooking pot.
Description of the drawings
Fig. 1 is the flow diagram of the sterilization control system of the present invention；
Fig. 2 is the control flow chart of the sterilization control method of the present invention；
Fig. 3 is a kind of control flow chart of embodiment of sterilization control method of the present invention；
Fig. 4 is the internal structure chart of the cooking apparatus of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
1, outer pot；2, interior pot；21, heating chamber；3, steam generator；31, steam channel；32, reheater；4, master control core
Piece；5, harvester.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of sterilization control system for cooking apparatus of the present embodiment, including main control chip 4, acquisition
Device 5 and steam generator 3, the steam generator 3 are connected to the heating chamber 21 of the cooking apparatus；
The main control chip 4, for cooking apparatus reservation terminate before the first preset time when or heat preservation terminate before
When the first preset time, enabled instruction is sent to the steam generator 3；It is preengage when the cooking apparatus and terminates or keep the temperature to terminate
When, send halt instruction to the steam generator 3；
The steam generator 3, for when receiving the enabled instruction, starting the heating chamber to the cooking apparatus
Conveying high-temperature steam is to adjust the temperature of the heating chamber 21 in 21；When receiving the halt instruction, do not rerun；
The harvester 5, under high temperature steam environments, acquiring the environmental signal in the heating chamber 21, and will
The environmental signal is sent to main control chip 4；
The main control chip 4 is additionally operable to adjust the operation power of the steam generator 3 according to the environmental signal, will
Temperature in the heating chamber 21 is controlled in sterilization temperature.
The sterilization control system of the present embodiment, the environmental signal that main control chip is fed back by harvester, control steam hair
The start and stop of raw device realize the purpose by environmental signal control sterilization, and it is long and make to prevent from sterilizing insufficient or sterilizing time
At food spoilage.
It is complete in order to ensure to sterilize in cooking apparatus, prevent bacterium from remaining, when the subscription time or soaking time are more than
When the second preset time, then the steam generator 3 is controlled when the first preset time before each second preset time terminates
Start.Second preset time can be any time periods, preferably 6h such as 5h, 6h or 7h.For example, it is described second it is default when
Between be 15h, the first preset time is 10min, and after cooking apparatus reservation or heat preservation start rear 5h50min, steam generator is to adding
It is out of service after hot intracavitary conveying 10min high-temperature steams sterilize heating chamber；Cooking apparatus is preengage or heat preservation starts
After 11h50min, steam generator conveys again into heating chamber after 10min high-temperature steams sterilize heating chamber, stops fortune
Row；10min before cooking apparatus reservation or heat preservation terminate, steam generator convey 10min high-temperature steams pair into heating chamber again
Heating chamber is sterilized, and then cooking apparatus finish reservation starts to cook.
The sterilization temperature of the present embodiment is 110 DEG C -130 DEG C；When sterilization temperature is higher, sterilizing time can be shortened,
When sterilization temperature is relatively low, sterilizing time can be extended, avoid that temperature is too low or sterilizing time is too short and causes bactericidal effect bad.
For example, when the sterilization temperature is 130 DEG C, first preset time is not less than 10min；When the sterilization temperature is 125 DEG C,
First preset time is not less than 15min；When the sterilization temperature is 120 DEG C, first preset time is not less than
20min；When the sterilization temperature is 115 DEG C, first preset time is not less than 30min；The sterilization temperature is 110 DEG C,
First preset time is not less than 40min.
There are two types of modes for acquisition of the present embodiment to environmental signal, specific as follows：
Embodiment one, if the environmental signal of Fig. 1 and Fig. 4 present embodiments is temperature signal；When the environment is believed
When number being temperature signal, the harvester 5 is temperature sampler, and the temperature sampler is for acquiring in the heating chamber 21
Temperature signal and the temperature signal is sent to the main control chip 4；
The main control chip 4 is used for when the corresponding temperature value of the temperature signal is higher than the sterilization temperature, will be described
The mean power of steam generator 3 is turned down so that the temperature in the heating chamber 21 maintains sterilization temperature；When the temperature is believed
Number be less than the sterilization temperature when, the mean power of the steam generator 3 is tuned up to the temperature so that in the heating chamber 21
Maintain sterilization temperature.By the way that temperature feedback to be controlled to the start and stop of steam generator 3 to main control chip 4, on the one hand ensure that
The sufficiently high vapor (steam) temperature needed is sterilized, on the other hand prevents excessively high vapor (steam) temperature from causing to damage to the nutritional ingredient of food
It is bad.
Embodiment two：The present embodiment is mainly the start and stop that steam generator 3 is controlled by temperature, in addition to directly using
Outside temperature sampler collecting temperature, indirect thermometric can also be used.Since temperature and pressure are one-to-one correspondence under vapo(u)rous state
Relationship, therefore limiting temperature can be played the role of by limiting pressure.
The environmental signal of present embodiment is pressure signal；It is described to adopt when the environmental signal is pressure signal
Acquisition means 5 are pressure acquisition devices, and the pressure acquisition devices are used for when the vapor in the heating chamber 21 reaches saturation, acquisition
The pressure signal is simultaneously sent to the main control chip 4 by pressure signal in the heating chamber 21；
The main control chip 4 is used for when the corresponding temperature value of the pressure signal is higher than the sterilization temperature, will be described
The mean power of steam generator 3 is turned down so that the temperature in the heating chamber 21 maintains sterilization temperature；When the pressure is believed
When number corresponding temperature signal is less than the sterilization temperature, the mean power of the steam generator 3 is tuned up so that it is described plus
Temperature in hot chamber 21 maintains sterilization temperature.Cooking apparatus heating chamber 21 still can be accurately reacted by pressure sensor
Interior temperature.
The use principle of the sterilization control system of the present embodiment is：With sterilization temperature for 130 DEG C, sterilizing time 10min
For.(or before the soaking time of cooking apparatus terminates) 10min, main control chip control before when cooking apparatus, reservation terminates for a long time
System starts high-temperature steam generator, and high-temperature steam generator generates a large amount of high-temperature steam, by steam channel by high-temperature steam
It is transported in cooking apparatus heating chamber, is promoted and heat cavity temperature, temperature sampler timing feedback temperature signal to main control chip,
When temperature signal is more than 130 DEG C, main control chip, which controls steam generator, reduces Power operation, when temperature signal is less than 130 DEG C
When, main control chip controls steam generator and improves Power operation, make to maintain in heating chamber 130 DEG C it is constant, terminate until reservation or
Heat preservation terminates.
Embodiment 2
As shown in Fig. 2, a kind of sterilization control method for cooking apparatus of the present embodiment, includes the following steps：
S1, the cooking apparatus reservation terminate before the first preset time when or heat preservation terminate before the first preset time
When, steam generator 3 conveys high-temperature steam into the heating chamber 21 of the cooking apparatus；
S2 acquires the environmental signal in the heating chamber 21 under high temperature steam environments；
S3 adjusts the temperature in the heating chamber 21 and reaches sterilization temperature, and killed described in maintenance according to the environmental signal
Bacterium temperature terminates or keeps the temperature to terminate until the reservation of the cooking apparatus；
S4, at the end of the reservation terminates or keeps the temperature, steam generator stops conveying high temperature into the heating chamber 21
Steam.
The sterilization control method of the present embodiment controls whether adding to cooking apparatus by acquiring the environmental signal of feedback
Hot intracavitary conveys high-temperature steam, realizes the purpose by environmental signal control sterilization, prevents from sterilizing insufficient or sterilizing time
It is long and cause food spoilage.On the one hand it ensure that the sufficiently high vapor (steam) temperature that sterilization needs, on the other hand prevent excessively high
Vapor (steam) temperature damages the nutritional ingredient of food.
It is complete in order to ensure to sterilize in cooking apparatus, prevent bacterium from remaining, the S1 further includes, when the subscription time is super
It is when crossing the second preset time, then defeated into the heating chamber before each second preset time terminates when the first preset time
Send a high-temperature steam.First preset time period can be any time periods, preferably 6h such as 5h, 6h or 7h.For example, institute
It is 15h to state the second preset time, and the first preset time is that 10min steams after cooking apparatus reservation or heat preservation start rear 5h50min
Vapour generator is conveyed into heating chamber after 10min high-temperature steams sterilize heating chamber, out of service；Cooking apparatus preengage or
After heat preservation starts 11h50min, steam generator conveys 10min high-temperature steams into heating chamber again and is sterilized to heating chamber
Afterwards, out of service；10min before cooking apparatus reservation or heat preservation terminate, steam generator convey 10min high into heating chamber again
Warm steam sterilizes heating chamber, and then cooking apparatus finish reservation starts to cook.
The sterilization temperature of the present embodiment is 110 DEG C -130 DEG C；When sterilization temperature is higher, sterilizing time can be shortened,
When sterilization temperature is relatively low, sterilizing time can be extended, avoid that temperature is too low or sterilizing time is too short and causes bactericidal effect bad.
For example, when the sterilization temperature is 130 DEG C, first preset time is not less than 10min；When the sterilization temperature is 125 DEG C,
First preset time is not less than 15min；When the sterilization temperature is 120 DEG C, first preset time is not less than
20min；When the sterilization temperature is 115 DEG C, first preset time is not less than 30min；The sterilization temperature is 110 DEG C,
First preset time is not less than 40min.
There are two types of modes for acquisition of the present embodiment to environmental signal, specific as follows：
Embodiment one, as shown in Figures 2 and 3, the S2 of present embodiment include acquiring in the heating chamber 21
Temperature value T1；
The S3 includes judging whether the corresponding temperature value T1 of the temperature signal reaches the sterilization temperature of the heating chamber 21
T2 is spent, when the temperature value T1 is higher than the sterilization temperature T2 of the heating chamber 21, by the mean power of the steam generator 3
It turns down so that the temperature in the heating chamber maintains sterilization temperature；When the temperature value T1 is less than the sterilization of the heating chamber 21
When temperature, the mean power of the steam generator 3 is tuned up so that the temperature in the heating chamber maintains sterilization temperature.It is logical
Excess temperature controls whether to convey steam into the heating chamber of cooking apparatus, on the one hand ensure that the sufficiently high steam that sterilization needs
On the other hand temperature prevents excessively high vapor (steam) temperature from being damaged to the nutritional ingredient of food.
Embodiment two：The present embodiment is mainly the start and stop that steam generator 3 is controlled by temperature, in addition to directly using
Outside temperature sampler collecting temperature, indirect thermometric can also be used.Since temperature and pressure are one-to-one correspondence under vapo(u)rous state
Relationship, therefore limiting temperature can be played the role of by limiting pressure.
The S2 of present embodiment includes the pressure signal acquired in the heating chamber 21；
The S3 includes judging whether the corresponding temperature value T1 of the pressure signal is higher than the sterilization temperature of the heating chamber 21
T2 is spent, when the corresponding temperature value T1 of the pressure signal is higher than the sterilization temperature T2, by being averaged for the steam generator 3
Power is turned down so that the temperature in the heating chamber 21 maintains sterilization temperature T2；As the corresponding temperature value T1 of the pressure signal
When less than the sterilization temperature T2, the mean power of the steam generator 3 is tuned up to the temperature so that in the heating chamber 21
Maintain sterilization temperature T2.When heating chamber 21 is in saturation state, culinary art still can accurately be reacted by pressure signal
Temperature in utensil heating chamber 21.
The detailed process of the sterilization control method of the present embodiment is：With sterilization temperature for 130 DEG C, sterilizing time 10min
For.(or before the soaking time of cooking apparatus terminates) 10min, steam generator before when cooking apparatus, reservation terminates for a long time
High-temperature steam is conveyed into cooking apparatus heating chamber, is promoted and is heated cavity temperature, the temperature signal T1 in timing acquiring heating chamber,
When temperature signal T1 is more than 130 DEG C, steam generator reduces Power operation, when temperature signal T1 is less than 130 DEG C, steam hair
Raw device raising Power operation, keeps 130 DEG C of maintenance in heating chamber constant, until reservation terminates or keep the temperature to terminate.
Embodiment 3
As shown in figure 4, a kind of cooking apparatus of the present embodiment, including upper cover, pot body and sterilization control as described in Example 1
System processed.The pot body includes interior pot 2 and outer pot 1, and the interior pot 2 and the steam generator 3 are each provided in the outer pot 1,
2 inside of the interior pot is heating chamber 21, and the steam generator 3 is connected to the heating chamber 21.The cooking apparatus of the present embodiment
Preferably electric cooker or electric cooking pot.
The upper cover of the present embodiment is turnover mounted on the open end of the outer pot 1, and the upper lid is equipped with steam
Channel 31, when the upper cover is closed, 31 entrance of the steam channel is connected with the steam (vapor) outlet of the steam generator 3, institute
The outlet of steam channel 31 is stated with the heating chamber 21 to be connected.Reheater 32 and unidirectional is installed in the steam channel 31
Valve, the reheater 32 and check valve are electrically connected with the main control chip 4, and reheater 32 is used for in steam channel 31
Steam reheated, prevent steam heat loss or condensation in transmission process, check valve is for making steam from the steaming
The one-way flow into the heating chamber 21 of the cooking apparatus of vapour generator 3, prevents opposing steam flow.
The steam channel outlet of the present embodiment, which is equipped with, makes the disperser that steam uniformly inputs, the disperser with
The upper cover is fixedly connected.The disperser can be a hollow diffuser plate, and diffuser plate is installed on the upper cover, diffuser plate
Upper side wall be connected with steam channel, the lower wall of diffuser plate is equipped with multiple diffusion holes, and steam is advanced by steam channel
Enter into diffuser plate, then spread into heating chamber by diffusion hole, keeps contact of the high-temperature steam with heating chamber more uniform.It is described
Disperser may be the shower nozzle of a similar bathing, and one end of shower nozzle is connected with steam channel outlet, another
End is equipped with multiple for spraying portalling for steam into heating chamber.
The cooking apparatus of the present embodiment preengages the stage in long-time, to carrying out high-temperature steam sterilization in cooking apparatus, can prevent
Only opposite closed environment is moister in rice cooker, the problem of being easy to grow bacterium.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
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.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
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.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (13)
1. a kind of sterilization control system for cooking apparatus, which is characterized in that including main control chip, harvester and steam
Generator, the steam generator are connected to the heating chamber of the cooking apparatus；
The main control chip, for before cooking apparatus reservation terminates when the first preset time or heat preservation terminate before it is first pre-
If when the time, enabled instruction is sent to the steam generator；At the end of the cooking apparatus preengages end or heat preservation, to institute
It states steam generator and sends halt instruction；
The steam generator conveys high-temperature steam for when receiving the enabled instruction, starting into the heating chamber
To adjust the temperature of the heating chamber；When receiving the halt instruction, stop conveying high-temperature steam into the heating chamber；
The harvester acquires the environmental signal in the heating chamber under high temperature steam environments, and by the environment
Signal is sent to main control chip；
The main control chip is additionally operable to adjust the operation power of the steam generator according to the environmental signal, described will add
The temperature of hot intracavitary is controlled in sterilization temperature.
2. a kind of sterilization control system for cooking apparatus according to claim 1, which is characterized in that when the reservation
Between or soaking time be more than the second preset time when, then before each second preset time terminates when the first subscription time, control
The steam generator is made to start.
3. a kind of sterilization control system for cooking apparatus according to claim 1 or claim 2, which is characterized in that the sterilization
Temperature is 110 DEG C -130 DEG C；
When the sterilization temperature is 130 DEG C, first preset time is not less than 10min；When the sterilization temperature is 125 DEG C,
First preset time is not less than 15min；When the sterilization temperature is 120 DEG C, first preset time is not less than
20min；When the sterilization temperature is 115 DEG C, first preset time is not less than 30min；The sterilization temperature is 110 DEG C,
First preset time is not less than 40min.
4. a kind of sterilization control system for cooking apparatus according to claim 3, which is characterized in that the environmental signal
For temperature signal；
When the environmental signal is temperature signal, the harvester is temperature sampler, and the temperature sampler is for adopting
Collect the temperature signal in the heating chamber and the temperature signal is sent to the main control chip；
The main control chip is used to, when the corresponding temperature value of the temperature signal is higher than the sterilization temperature, the steam be sent out
The mean power of raw device is turned down so that the temperature in the heating chamber maintains sterilization temperature；When the temperature signal is less than described
When sterilization temperature, the mean power of the steam generator is tuned up so that the temperature in the heating chamber maintains sterilization temperature
Degree；Alternatively, the environmental signal is pressure signal；
When the environmental signal is pressure signal, the harvester is pressure acquisition devices, and the pressure acquisition devices are for working as
When vapor in the heating chamber reaches saturation, acquires the pressure signal in the heating chamber and send the pressure signal
To the main control chip；
The main control chip is used to, when the corresponding temperature value of the pressure signal is higher than the sterilization temperature, the steam be sent out
The mean power of raw device is turned down so that the temperature in the heating chamber maintains sterilization temperature；When the corresponding temperature of the pressure signal
When spending signal less than the sterilization temperature, the mean power of the steam generator is tuned up to the temperature so that in the heating chamber
Maintain sterilization temperature.
5. a kind of sterilization control method of reservation cooking apparatus, which is characterized in that include the following steps：
S1, the cooking apparatus reservation terminate before the first preset time when or heat preservation terminate before the first preset time when,
Steam generator conveys high-temperature steam into the heating chamber of the cooking apparatus；
S2 acquires the environmental signal in the heating chamber under high temperature steam environments；
S3 adjusts the temperature in the heating chamber and reaches sterilization temperature, and maintain the sterilization temperature according to the environmental signal
Until the reservation of the cooking apparatus terminates or keep the temperature to terminate；
S4, at the end of the reservation terminates or keeps the temperature, steam generator stops conveying high-temperature steam into the heating chamber.
6. a kind of sterilization control method for cooking apparatus according to claim 5, which is characterized in that the S1 is also wrapped
It includes, when the subscription time is more than the second preset time, then before each second preset time terminates when the first preset time,
A high-temperature steam is conveyed into the heating chamber.
7. according to a kind of sterilization control method for cooking apparatus of claim 5 or 6, which is characterized in that the sterilization
Temperature is 110 DEG C -130 DEG C；
When the sterilization temperature is 130 DEG C, first preset time is not less than 10min；When the sterilization temperature is 125 DEG C,
First preset time is not less than 15min；When the sterilization temperature is 120 DEG C, first preset time is not less than
20min；When the sterilization temperature is 115 DEG C, first preset time is not less than 30min；The sterilization temperature is 110 DEG C,
First preset time is not less than 40min.
8. a kind of sterilization control method for cooking apparatus according to claim 7, which is characterized in that the S2 includes,
Acquire the temperature signal in the heating chamber；
The S3 includes judging whether the corresponding temperature value of the temperature signal reaches the sterilization temperature of the heating chamber, works as institute
When stating sterilization temperature of the temperature signal higher than the heating chamber, the mean power of the steam generator is turned down so that described add
The temperature of hot intracavitary maintains sterilization temperature；When the temperature signal is less than the sterilization temperature of the heating chamber, by the steaming
The mean power of vapour generator tunes up so that the temperature in the heating chamber maintains sterilization temperature；Alternatively,
The S2 includes the pressure signal acquired in the heating chamber；
The S3 includes judging whether the corresponding temperature value of the pressure signal is higher than the sterilization temperature of the heating chamber, works as institute
State the corresponding temperature signal of pressure signal higher than the sterilization temperature when, the mean power of the steam generator is turned down so that
Temperature in the heating chamber maintains sterilization temperature；When the corresponding temperature signal of the pressure signal is less than the sterilization temperature
When, the mean power of the steam generator is tuned up so that the temperature in the heating chamber maintains sterilization temperature.
9. a kind of cooking apparatus, which is characterized in that including upper cover, pot body and such as the sterilization control of Claims 1-4 any one of them
System processed, the steam generator are mounted in the pot body or upper cover；The upper cover is turnover mounted on the pot body
Open end, the upper cover is interior to be equipped with steam channel；When the upper cover is closed, the steam channel entrance and the steam generator
Steam (vapor) outlet be connected, steam channel outlet is connected with the heating chamber.
10. a kind of cooking apparatus according to claim 9, which is characterized in that reheater is installed in the steam channel,
The reheater is electrically connected with the main control chip.
11. a kind of cooking apparatus according to claim 9, which is characterized in that the steam channel outlet, which is equipped with, keeps steam equal
The even disperser for being diffused into heating chamber, the disperser installation is on the cover.
12. according to a kind of any one of claim 9 to 11 cooking apparatus, which is characterized in that be equipped in the steam channel
Check valve, the check valve are electrically connected with the main control chip, for making high-temperature steam be cooked from the steam generator to described
One-way flow in the heating chamber of utensil of preparing food.
13. according to a kind of any one of claim 9 to 11 cooking apparatus, which is characterized in that the cooking apparatus is electric meal
Pot, electric pressure cooking saucepan, soy bean milk making machine or electric cooking pot.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051696.4A CN108324965B (en) | 2017-01-20 | 2017-01-20 | Sterilization control system and method for cooking utensil and cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051696.4A CN108324965B (en) | 2017-01-20 | 2017-01-20 | Sterilization control system and method for cooking utensil and cooking utensil |
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| CN110974993A (en) * | 2019-11-22 | 2020-04-10 | 华帝股份有限公司 | Sterilization control method for cooking equipment |
| CN111543865A (en) * | 2020-03-25 | 2020-08-18 | 宁波市嘉乐电器有限公司 | Steam generator with air fryer with steaming function and steaming and baking control method |
| US11426027B2 (en) | 2020-03-25 | 2022-08-30 | Ningbo Careline Electric Appliance Co., Ltd. | Air fryer with steaming function and method for controlling air fryer with steaming function |
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| CN108324965B (en) | 2024-01-30 |
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