阅读说明：本技术 烹饪器具及其控制方法、控制装置和计算机可读存储介质 (Cooking apparatus and its control method, control device and computer readable storage medium ) 是由 杨云 程志喜 吕伟刚 罗嗣胜 卢均山 于 2018-05-21 设计创作，主要内容包括：本发明提供了一种烹饪器具及其控制方法、控制装置和计算机可读存储介质。该控制方法包括：根据压力传感器检测的压力值,控制抽气装置的开启或关闭,以使烹饪腔内处于保压状态。本发明提供的控制方法,通过压力传感器实现对烹饪腔内压力的检测,由于压力传感器控压准确、反应灵敏,可在任何压力值时给出反馈。因此,利用压力传感器对抽气装置进行控制,可提高对烹饪器具控制的精确性,从而提高烹饪器具的烹饪性能。(The present invention provides a kind of cooking apparatus and its control methods, control device and computer readable storage medium.The control method includes: the pressure value detected according to pressure sensor, controls opening or closing for air extractor, so as to be in state of pressure keeping in cooking cavity.Control method provided by the invention realizes the detection to culinary art cavity pressure by pressure sensor, and since pressure sensor pressure control is accurate, is quick on the draw, feedback can be provided in any pressure value.Therefore, air extractor is controlled using pressure sensor, the accuracy to cooking apparatus control can be improved, to improve the culinary art performance of cooking apparatus.)

1. a kind of control method of cooking apparatus, which is characterized in that

According to the pressure value that pressure sensor detects, opening or closing for air extractor is controlled, so that the cooking apparatus is cooked It prepares food intracavitary in state of pressure keeping.

2. the control method of cooking apparatus according to claim 1, which is characterized in that described to be detected according to pressure sensor Pressure value, control opening or closing for air extractor so that the cooking apparatus cooking cavity in be in state of pressure keeping, specifically Include:

The air extractor is controlled to open and detect the pressure in the cooking cavity；

Judge whether the pressure in the cooking cavity reaches the first preset pressure；

It is closed if so, controlling the air extractor；

Judge whether the pressure in the cooking cavity reaches the second preset pressure；

If so, opening and detecting the pressure in the cooking cavity back to the air extractor is controlled, so recycle, wherein institute It states the first preset pressure and second preset pressure is negative pressure, and the absolute value of first preset pressure is greater than described the The absolute value of two preset pressures.

3. the control method of cooking apparatus according to claim 2, which is characterized in that

The range of first preset pressure is -20KPa~-80KPa；And/or the absolute value of second preset pressure compares institute State the small 1KPa~5KPa of absolute value of the first preset pressure.

4. the control method of cooking apparatus according to claim 2, which is characterized in that further include:

When the pressure in the cooking cavity reaches second preset pressure for the first time, start to calculate the state of pressure keeping when Long, the range of the duration of the state of pressure keeping is 5min~120min.

5. the control method of cooking apparatus according to any one of claim 1 to 4, which is characterized in that further include:

It when the duration of the state of pressure keeping reaches preset time, controls the air extractor and closes, and control exhaust valve opening The cooking cavity is set to be in communication with the outside.

6. the control method of cooking apparatus according to any one of claim 1 to 4, which is characterized in that the pumping dress It sets and is connected by pipeline with the cooking cavity, valve is connected on the pipeline, the control method of the cooking apparatus is also wrapped It includes:

By controlling the on-off of the valve to realize the connection or disconnection of the air extractor Yu the cooking cavity.

7. a kind of control device of cooking apparatus, which is characterized in that the cooking apparatus includes cooking apparatus main body, is arranged in institute The air extractor and pressure sensor in cooking apparatus main body are stated, the cooking apparatus main body limits cooking cavity, the pumping Device is used to extract out the gas in the cooking cavity, and the pressure sensor is used to detect the pressure in the cooking cavity, described The control device of cooking apparatus includes:

Control unit, the pressure value for being detected according to the pressure sensor, controls opening or closing for the air extractor, So as to be in state of pressure keeping in the cooking cavity.

8. the control device of cooking apparatus according to claim 7, which is characterized in that the control device of the cooking apparatus It further include judging unit；

The judging unit is used for: judging whether the pressure in the cooking cavity reaches the first preset pressure and judge the culinary art Whether intracavitary pressure reaches the second preset pressure；

Described control unit opens for controlling the air extractor and detects the pressure in the cooking cavity；It is single in the judgement When member judges that the pressure value in the cooking cavity reaches the first preset pressure, controls the air extractor and close；In the judgement When pressure value in cooking cavity described in unit judges reaches the second preset pressure, opens and examine back to the control air extractor The pressure in the cooking cavity is surveyed, is so recycled, wherein first preset pressure and second preset pressure are negative Pressure, and the absolute value of first preset pressure is greater than the absolute value of second preset pressure.

9. the control device of cooking apparatus according to claim 8, which is characterized in that described control unit is also used to:

When the pressure in the cooking cavity reaches second preset pressure for the first time, start to calculate the state of pressure keeping when It is long, and when the duration of the state of pressure keeping reaches preset time, it controls the air extractor and closes, and control exhaust valve opening The cooking cavity is set to be in communication with the outside.

10. the control device of cooking apparatus according to any one of claims 7 to 9, which is characterized in that the pumping dress It sets and is connected by pipeline with the cooking cavity, valve is connected on the pipeline, described control unit is used for through control institute The on-off of valve is stated to realize the connection or disconnection of the air extractor Yu the cooking cavity.

11. a kind of cooking apparatus, which is characterized in that including processor, the processor is based on executing and storing in memory It is realized when calculation machine program as described in any one of claim 1-6 the step of the control method of cooking apparatus.

12. a kind of computer readable storage medium, is stored thereon with computer program, it is characterised in that: the computer program It is realized when being executed by processor as described in any one of claim 1-6 the step of the control method of cooking apparatus.

Technical field

The present invention relates to kitchen utensils fields, more specifically, are related to control method, the control dress of a kind of cooking apparatus It sets, cooking apparatus and computer readable storage medium.

Background technique

Existing cooking apparatus such as pressure cooker, can produce high temperature and pressure when being mainly characterized in that culinary art, realization is quickly cooked It prepares food.But the raising with people to food and health requirements, it is desirable to top retain the original fragrance and flavor of food with And nutritional ingredient.In the related technology, it is found when using the cooker with negative pressure cooking function, in the way of time pressure control Pot inner pressure deviation is larger, and then influences culinary art effect.

Summary of the invention

The present invention is directed at least solve one of the technical problems existing in the prior art.

For this purpose, a kind of control method for being designed to provide cooking apparatus of the first aspect of the invention.

A kind of control device for being designed to provide cooking apparatus of the second aspect of the invention.

The third aspect of the invention is designed to provide a kind of cooking apparatus.

The fourth aspect of the invention is designed to provide a kind of computer readable storage medium.

To achieve the above object, the technical solution of the first aspect of the invention provides a kind of controlling party of cooking apparatus Method, the control method of the cooking apparatus include: the pressure value detected according to pressure sensor, control opening for the air extractor It opens or closes, so as to be in state of pressure keeping in the cooking cavity.

The control method that above-mentioned technical proposal of the present invention provides, control air extractor are opened, and air extractor extracts cooking cavity out In gas so that cooking cavity in be in negative pressure state, obtain the testing result of pressure sensor, and control according to testing result Air extractor processed opens or closes, and cooking cavity maintains the state of pressure keeping of negative pressure within a preset time, to realize to food Low-temperature boiling culinary art, and then farthest retain the original fragrance and flavor and nutritional ingredient of food.

The detection to culinary art cavity pressure is realized by pressure sensor, since pressure sensor pressure control is accurate, reaction spirit It is quick, feedback can be provided in any pressure value.Therefore, air extractor is controlled using pressure sensor, is can be improved to cooking The accuracy of utensil of preparing food control, to improve the culinary art performance of cooking apparatus.

In addition, the control method for the cooking apparatus that above-mentioned technical proposal of the present invention provides also has following supplementary technology special Sign:

In above-mentioned technical proposal, it is preferable that the pressure value detected according to pressure sensor controls the air extractor Open or close so that the cooking apparatus cooking cavity in be in state of pressure keeping, specifically include: controlling the air extractor It opens and detects the pressure in the cooking cavity；Judge whether the pressure in the cooking cavity reaches the first preset pressure；If so, The air extractor is controlled to close；Judge whether the pressure in the cooking cavity reaches the second preset pressure；If so, back to institute It states the control air extractor and opens and detect the pressure in the cooking cavity, so recycle, wherein first preset pressure It is negative pressure with second preset pressure, and the absolute value of first preset pressure is greater than the exhausted of second preset pressure To value.

In above-mentioned technical proposal, it is preferable that the range of first preset pressure is -20KPa~-80KPa；And/or institute The absolute value for stating the second preset pressure is 1KPa~5KPa smaller than the absolute value of first preset pressure.

In above-mentioned technical proposal, it is preferable that the control method of the cooking apparatus further include: the pressure in the cooking cavity When power reaches second preset pressure for the first time, start the duration for calculating state of pressure keeping, the range of the duration of the state of pressure keeping For 5min~120min.

It is state of pressure keeping that pressure i.e. in cooking cavity, which is in state between the first preset pressure and the second preset pressure,.

In above-mentioned technical proposal, it is preferable that the control method of the cooking apparatus further include: when the state of pressure keeping It when duration reaches preset time, controls the air extractor and closes, and control exhaust valve opening to make the cooking cavity and the external world even It is logical.

In above-mentioned technical proposal, it is preferable that the air extractor is connected by pipeline with the cooking cavity, the pipeline On be connected with valve, the control method of the cooking apparatus further include: by controlling the on-off of the valve to realize the pumping The connection or disconnection of device of air and the cooking cavity.

The technical solution of the second aspect of the invention provides a kind of control device of cooking apparatus, the cooking apparatus Including cooking apparatus main body, the air extractor and pressure sensor that are arranged in the cooking apparatus main body, the cooking apparatus Main body limits cooking cavity, and the air extractor is used to extract out the gas in the cooking cavity, and the pressure sensor is for examining The pressure in the cooking cavity is surveyed, the control device of the cooking apparatus includes: control unit, for according to the pressure sensing The pressure value of device detection, controls opening or closing for the air extractor, so as to be in state of pressure keeping in the cooking cavity.

The control device that the technical solution of the second aspect of the present invention provides, control air extractor are opened, and air extractor is taken out Gas in cooking cavity out obtains the testing result of pressure sensor, and according to inspection so that being in the state of negative pressure in cooking cavity Opening or closing for result control air extractor is surveyed, cooking cavity maintains the state of pressure keeping of negative pressure within a preset time, to realize Low-temperature boiling culinary art to food, and then farthest retain the original fragrance and flavor and nutritional ingredient of food.

The detection to culinary art cavity pressure is realized by pressure sensor, since pressure sensor pressure control is accurate, reaction spirit It is quick, feedback can be provided in any pressure value.Therefore, air extractor is controlled using pressure sensor, is can be improved to cooking The accuracy of utensil of preparing food control, to improve the culinary art performance of cooking apparatus.

In above-mentioned technical proposal, it is preferable that the control device of the cooking apparatus further includes judging unit；The judgement is single Member is used for: judging whether the pressure in the cooking cavity reaches the first preset pressure and judge whether is pressure in the cooking cavity Reach the second preset pressure；Described control unit opens for controlling the air extractor and detects the pressure in the cooking cavity Power；When the judging unit judges that the pressure value in the cooking cavity reaches the first preset pressure, the air extractor is controlled It closes；When the judging unit judges that the pressure value in the cooking cavity reaches the second preset pressure, the control is returned to The pressure in the cooking cavity is opened and detected to the air extractor, so recycles, wherein first preset pressure and described Second preset pressure is negative pressure, and the absolute value of first preset pressure is greater than the absolute value of second preset pressure.

In above-mentioned technical proposal, it is preferable that described control unit is also used to: when the pressure in the cooking cavity reaches for the first time When second preset pressure, start the duration for calculating the state of pressure keeping, and when the duration of the state of pressure keeping reaches default It when the time, controls the air extractor and closes, and controlling exhaust valve opening makes the cooking cavity be in communication with the outside.

In above-mentioned technical proposal, it is preferable that the air extractor is connected by pipeline with the cooking cavity, the pipeline On be connected with valve, described control unit is used for the on-off by controlling the valve to realize that the air extractor is cooked with described It prepares food the connection or disconnection of chamber.

The technical solution of third aspect of the present invention provides a kind of cooking apparatus, including processor, and the processor is used for The control method of cooking apparatus described in any of the above-described technical solution is realized when executing the computer program stored in memory Step.Therefore, which has the beneficial effect of the control method of cooking apparatus described in any of the above-described embodiment, herein It repeats no more.

Cooking apparatus is pressure cooker, electric cooker or other cooking apparatus.

The technical solution of the 4th aspect of the present invention provides a kind of computer readable storage medium, is stored thereon with computer Program, the computer program realize the control method of cooking apparatus described in any of the above-described technical solution when being executed by processor The step of.Therefore, which has the control method of cooking apparatus described in any of the above-described embodiment Beneficial effect, details are not described herein.

Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention Recognize.

Detailed description of the invention

Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:

Fig. 1 is the flow diagram of the control method of cooking apparatus described in one embodiment of the present of invention；

Fig. 2 is the structural schematic diagram of cooking apparatus described in one embodiment of the present of invention；

The relational graph of m- negative pressure when Fig. 3 is in one embodiment of the present of invention；

The relational graph of m- negative pressure when Fig. 4 is in one embodiment of the present of invention；

Fig. 5 is the flow diagram of the control method of cooking apparatus described in one of the invention；

Fig. 6 is the flow diagram of the control method of cooking apparatus described in one of the invention；

Fig. 7 is the schematic block diagram of the control device of cooking apparatus described in one embodiment of the present of invention；

Fig. 8 is the schematic block diagram of the control device of cooking apparatus described in one embodiment of the present of invention.

Wherein, corresponding relationship of the Fig. 1 into Fig. 8 between appended drawing reference and component names are as follows:

100 cooking apparatus, 1 pot body, pot in 11,12 heating devices, 2 pot covers, 21 exhaust valves, 22 bleeding points, 23 cover boards, 24 Cover, 25 upper covers, 26 inner covers, 3 air extractors, 4 pipelines, 5 valves, 6 pressure sensors, 7 cooking cavities, 200 control devices, 202 Control unit, 204 judging units.

Specific embodiment

To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.

In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also Implement in a manner of using other than the one described here, therefore, protection scope of the present invention is not by following public tool The limitation of body embodiment.

The control method and cooking apparatus of cooking apparatus according to some embodiments of the invention are described with reference to the accompanying drawings.

As shown in Fig. 2, cooking apparatus 100 includes cooking apparatus main body and the air extractor being arranged in cooking apparatus main body 3, cooking apparatus main body limits cooking cavity 7, and air extractor 3 is used to extract the gas in cooking cavity 7 out.Cooking apparatus main body includes The pot cover 2 that pot body 1 and lid are located in pot body 1, pot body 1 include interior pot 11, and interior pot 11 limits cooking cavity 7 with pot cover 2.Pot body 1 For carrying interior pot 11 and pot cover 2.Food is held in interior pot 11, forms cooking cavity 7 with pot cover 2.Preferably, 3 He of air extractor Exhaust valve 521 is arranged on pot cover 2, and heating device 12 is arranged in pot body 1, and is located at the lower section of interior pot 11, is used for internal pot 11 are heated.Air extractor 3 is used to take out cooking cavity 7 negative pressure, and pot cover 2 is equipped with bleeding point 22, bleeding point 22 and cooking cavity 7 It is connected, the air entry of air extractor 3 is connected with bleeding point 22 by pipeline 4, and pipeline 4 is equipped with valve 5, and valve 5 is used for The on-off of control piper 4 realizes the connection and disconnection of air extractor 3 and cooking cavity 7, specifically, the power-off of valve 5 is in closed form State separates cooking cavity 7 and air extractor 3, and when that need to vacuumize to cooking cavity 7, valve 5, which is powered, to be opened, and by cooking cavity 7 and takes out Device of air 3 is connected to.Specifically, pot cover 2 includes cover board 23, cover 24, upper cover 25, inner cover 26, valve 5 is fixed in upper cover 25.

Exhaust valve 21 has an opening and closing two states, and cooking cavity 7 is in communication with the outside when opening, when closing cooking cavity 7 with Isolation.Preferably, air extractor 3 includes vacuum pump.

As shown in Figure 1, a kind of control method of the cooking apparatus 100 provided according to some embodiments of the invention, cooking pot Tool 100 includes cooking apparatus main body, the air extractor 3 and pressure sensor 6 being arranged in cooking apparatus main body, cooking apparatus master Body limits cooking cavity 7, and air extractor 3 is used to extract out the gas in cooking cavity 7, and pressure sensor 6 is for detecting in cooking cavity 7 Pressure, the control method of cooking apparatus 100 includes: step S10, according to pressure sensor 6 detect pressure value, control pumping Device 3 opens or closes, so as to be in state of pressure keeping in cooking cavity 7.

The control method that the above embodiment of the present invention provides, control air extractor 3 are opened, and air extractor 3 extracts cooking cavity 7 out In gas obtain the testing result of pressure sensor 6, and according to testing result so that being in the state of negative pressure in cooking cavity 7 Control air extractor 3 opens or closes, so that cooking cavity 7 maintains the state of pressure keeping of negative pressure within a preset time, to realize Low-temperature boiling culinary art to food, and then farthest retain the original fragrance and flavor and nutritional ingredient of food.

The detection to pressure in cooking cavity 7 is realized by pressure sensor 6, since 6 pressure control of pressure sensor is accurate, reaction It is sensitive, feedback can be provided in any pressure value.Therefore, air extractor 3 is controlled using pressure sensor 6, is can be improved To the accuracy that cooking apparatus 100 controls, to improve the culinary art performance of cooking apparatus 100.

As shown in figure 5, step S10 is specifically included:

Step S102, control air extractor 33 are opened and detect the pressure in cooking cavity 77；

Step S104, judges whether the pressure value in cooking cavity 77 reaches the first preset pressure P1；

If so, executing step S106, control air extractor 33 is closed, if it is not, return step S102, maintains air extractor 3 The state opened and run；

Step S108, judges whether the pressure value in cooking cavity 77 reaches the second preset pressure P2；

If so, return step S102, the pressure in cooking cavity 77 is opened and detected to control air extractor 33, so recycles, If it is not, return step S106, wherein the first preset pressure and the second preset pressure are negative pressure, and the first preset pressure is exhausted It is greater than the absolute value of the second preset pressure to value.

Preferably, the range of the first preset pressure P1 is -20KPa~-80Kpa, and the first preset pressure can be but unlimited In -20KPa, -40KPa, -60KPa or -80Kpa.

The absolute value of second preset pressure P2 is 1KPa~5KPa smaller than the absolute value of the first preset pressure.

The control method of cooking apparatus further include: when the pressure in cooking cavity reaches the second preset pressure for the first time, start The duration of state of pressure keeping is calculated, i.e., it is to protect that the pressure in cooking cavity, which is in state between the first preset pressure and the second preset pressure, Pressure condition.The range of the duration tz of state of pressure keeping is 5min~120min.Tz can be but be not limited to 5min, 20min, 40min, 60min, 80min, 100min or 120min.

Preferably, as shown in fig. 6, the control method of cooking apparatus 100 further include: step S20, when the duration of state of pressure keeping When tz reaches preset time, control air extractor 3 is closed, and controlling the opening of exhaust valve 21 makes cooking cavity be in communication with the outside.

Preferably, air extractor 3 is connected by pipeline 4 with cooking cavity 7, and valve 5, cooking apparatus are connected on pipeline 4 100 control method further include: the connection or disconnection of air extractor 3 Yu cooking cavity 7 are realized by the on-off of control valve 5.

Air extractor 3, valve 5 are set on pressure cooker lid 2.The function that user's selection need to take out negative pressure accordingly starts to cook When preparing food, system control valve door 5 works, and valve 5 is opened, and air extractor 3 works, and takes out negative pressure, while pressure sensor to cooking cavity Culinary art cavity pressure is monitored.When culinary art cavity pressure reaches the first preset pressure P1, system control valve door 5 stops work Make, valve 5 is closed, and keeps closed environment in pot, while air extractor 3 stops working, pressure sensor continues in cooking cavity Pressure is monitored.Since moisture evaporation causes cooking cavity negative pressure to be gradually reduced in pressure cooker itself gas leakage and pot, work as culinary art When chamber negative pressure occurs less than the second preset pressure P2, system control valve door 5 works, and valve 5 is opened, and air extractor 3 works, to cooking Chamber of preparing food takes out negative pressure, and pressure sensor continues to be monitored culinary art cavity pressure, when culinary art cavity pressure reaches the first default pressure When power P1, system control valve door 5 stops working, and valve 5 is closed, and keeps closed environment in pot, while air extractor 3 stops work Make.When cooking cavity negative pressure occurs less than the second preset pressure P2, system control valve door 5 works, and valve 5 is opened, air extractor 3 Work takes out negative pressure to cooking cavity.It is recycled with this.As tp=tz, system control valve door 5 is closed, and air extractor 3 stops working, Exhaust valve 21 is opened, and outside air enters, and culinary art cavity pressure is gradually recovered normal pressure.P1 is the peak suction value in pressure maintaining period, Its value range is -20~-80KPa.P2 is minimum negative pressure in pressure maintaining period, and P2 is set as 1-5KPa smaller than P1.Tz is pre- It makes an appointment, value range 0.1h-48h, preferably 0.5-24h.In Fig. 3, A indicates that pressure maintaining period, B indicate to take out negative pressure process, E It indicates nature pressure reduction, indicates that nature decompression and pressure maintaining period terminate at C, D indicates that exhaust valve opens the process of exhaust.Such as figure In 4, A indicates to take out negative pressure process, and B indicates that nature pressure reduction, C indicate that nature decompression and pressure maintaining period terminate, and D indicates exhaust valve The process of exhaust is opened, E indicates pressure maintaining period.Fig. 3 is to terminate pressure maintaining period during being depressured naturally, and Fig. 4 is negative in pumping Terminate pressure maintaining period during pressure.

As shown in fig. 7, the embodiment of the second aspect of the invention provides a kind of control device of cooking apparatus 100 200, cooking apparatus 100 includes cooking apparatus main body, the air extractor 3 and pressure sensor 6 that are arranged in cooking apparatus main body, Cooking apparatus main body limits cooking cavity 7, and air extractor 3 is used to extract out the gas in cooking cavity 7, and pressure sensor 6 is for examining The pressure in cooking cavity 7 is surveyed, the control device 200 of cooking apparatus 100 includes: control unit 202, for according to pressure sensor The pressure value of 6 detections, control air extractor 3 open or close, so as to be in state of pressure keeping in cooking cavity 7.

The control device 200 that the embodiment of the second aspect of the present invention provides, control air extractor 3 are opened, air extractor 3 It extracts the gas in cooking cavity 7 out, so that being in the state of negative pressure in cooking cavity 7, obtains the testing result of pressure sensor 6, and Opening or closing for air extractor 3 is controlled according to testing result, so that cooking cavity 7 maintains the pressure maintaining shape of negative pressure within a preset time State cooks the low-temperature boiling of food to realize, and then farthest retains the original fragrance and flavor and nutritional ingredient of food.

The detection to pressure in cooking cavity 7 is realized by pressure sensor 6, since 6 pressure control of pressure sensor is accurate, reaction It is sensitive, feedback can be provided in any pressure value.Therefore, air extractor 3 is controlled using pressure sensor 6, is can be improved To the accuracy that cooking apparatus 100 controls, to improve the culinary art performance of cooking apparatus 100.

Preferably, as shown in figure 8, the control device 200 of cooking apparatus 100 further includes judging unit 204；Judging unit 204 are used for: judging whether the pressure in cooking cavity 7 reaches the first preset pressure and judge whether the pressure in cooking cavity 7 reaches Second preset pressure；Control unit 202 is for controlling the unlatching of air extractor 3 and detecting the pressure in cooking cavity 7；In judging unit When 204 pressure values for judging in cooking cavity 7 reach the first preset pressure, control air extractor 3 is closed；Sentence in judging unit 204 When pressure value in disconnected cooking cavity 7 reaches the second preset pressure, opens and detected in cooking cavity 7 back to control air extractor 3 Pressure, so recycle, wherein the first preset pressure and the second preset pressure are negative pressure, and the first preset pressure is absolute Value is greater than the absolute value of the second preset pressure.

Preferably, the range of the first preset pressure P1 is -20KPa~-80Kpa, and the first preset pressure can be but unlimited In -20KPa, -40KPa, -60KPa or -80Kpa.

The absolute value of second preset pressure P2 is 1KPa~5KPa smaller than the absolute value of the first preset pressure.

Preferably, control unit 202 is also used to: when the pressure in cooking cavity reaches the second preset pressure for the first time, being started The duration of state of pressure keeping is calculated, the range of the duration tz of state of pressure keeping is 5min~120min；And work as the duration tz of state of pressure keeping When reaching preset time, control air extractor 3 is closed, and controlling the opening of exhaust valve 21 makes cooking cavity be in communication with the outside.

It is state of pressure keeping that pressure i.e. in cooking cavity, which is in state between the first preset pressure and the second preset pressure,.Tz can Think but is not limited to 5min, 20min, 40min, 60min, 80min, 100min or 120min.

Preferably, air extractor 3 is connected by pipeline 4 with cooking cavity 7, and valve 5, control unit are connected on pipeline 4 202 realize the connection or disconnection of air extractor 3 Yu cooking cavity 7 by the on-off of control valve 5.

Air extractor 3, valve 5 are set on pressure cooker lid 2.The function that user's selection need to take out negative pressure accordingly starts to cook When preparing food, system control valve door 5 works, and valve 5 is opened, and air extractor 3 works, and takes out negative pressure, while pressure sensor to cooking cavity Culinary art cavity pressure is monitored.When culinary art cavity pressure reaches the first preset pressure P1, system control valve door 5 stops work Make, valve 5 is closed, and keeps closed environment in pot, while air extractor 3 stops working, pressure sensor continues in cooking cavity Pressure is monitored.Since moisture evaporation causes cooking cavity negative pressure to be gradually reduced in pressure cooker itself gas leakage and pot, work as culinary art When chamber negative pressure occurs less than the second preset pressure P2, system control valve door 5 works, and valve 5 is opened, and air extractor 3 works, to cooking Chamber of preparing food takes out negative pressure, and pressure sensor continues to be monitored culinary art cavity pressure, when culinary art cavity pressure reaches the first default pressure When power P1, system control valve door 5 stops working, and valve 5 is closed, and keeps closed environment in pot, while air extractor 3 stops work Make.When cooking cavity negative pressure occurs less than the second preset pressure P2, system control valve door 5 works, and valve 5 is opened, air extractor 3 Work takes out negative pressure to cooking cavity.It is recycled with this.As tp=tz, system control valve door 5 is closed, and air extractor 3 stops working, Exhaust valve 21 is opened, and outside air enters, and culinary art cavity pressure is gradually recovered normal pressure.P1 is the peak suction value in pressure maintaining period, Its value range is -20~-80KPa.P2 is minimum negative pressure in pressure maintaining period, and P2 is set as 1-5KPa smaller than P1.Tz is pre- It makes an appointment, value range 0.1h-48h, preferably 0.5-24h.In Fig. 3, A indicates that pressure maintaining period, B indicate to take out negative pressure process, E It indicates nature pressure reduction, indicates that nature decompression and pressure maintaining period terminate at C, D indicates that exhaust valve opens the process of exhaust.Such as figure In 4, A indicates to take out negative pressure process, and B indicates that nature pressure reduction, C indicate that nature decompression and pressure maintaining period terminate, and D indicates exhaust valve The process of exhaust is opened, E indicates pressure maintaining period.Fig. 3 is to terminate pressure maintaining period during being depressured naturally, and Fig. 4 is negative in pumping Terminate pressure maintaining period during pressure.

The embodiment of third aspect of the present invention provides a kind of cooking apparatus 100, including processor, and processor is for executing The step of control method of cooking apparatus 100 of any of the above-described embodiment is realized when the computer program stored in memory.Cause This, which has the beneficial effect of the control method of the cooking apparatus 100 of any of the above-described embodiment, herein no longer It repeats.

Cooking apparatus 100 is pressure cooker, electric cooker or other cooking apparatus 100.

The embodiment of the 4th aspect of the present invention provides a kind of computer readable storage medium, is stored thereon with computer journey Sequence, the step of control method of cooking apparatus 100 of any of the above-described embodiment is realized when computer program is executed by processor.Cause This, which has the beneficial effect of the control method of the cooking apparatus 100 of any of the above-described embodiment, In This is repeated no more.

In conclusion the control method of cooking apparatus 100 provided in an embodiment of the present invention, is cooked by pressure sensor control Utensil of preparing food takes out negative pressure and pressure maintaining, realizes the accurate control to cooking apparatus.

It can be used for the stage of reserving, cooking stage by the operation that pressure sensor controls cooking apparatus pumping negative pressure and pressure maintaining Or the heat preserving antistaling stage after cooking stage.

In the description of the present invention unless specifically defined or limited otherwise, term " multiple " refer to two or two with On；Unless otherwise prescribed or illustrate, term " connection ", " fixation " etc. shall be understood in a broad sense, for example, " connection " can be fixation Connection, may be a detachable connection, or be integrally connected, or electrical connection；It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention as the case may be In concrete meaning.

In the description of this specification, it is to be understood that the instruction such as term " on ", "lower", "front", "rear", "left", "right" Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch It states, rather than the device or unit of indication or suggestion meaning must have specific direction, be constructed and operated in a specific orientation, It is thus impossible to be interpreted as limitation of the present invention.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with Suitable mode combines.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.