CN108903612B - Electric steam box and water supplementing control method - Google Patents
Electric steam box and water supplementing control method Download PDFInfo
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- CN108903612B CN108903612B CN201810613058.1A CN201810613058A CN108903612B CN 108903612 B CN108903612 B CN 108903612B CN 201810613058 A CN201810613058 A CN 201810613058A CN 108903612 B CN108903612 B CN 108903612B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 240
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010411 cooking Methods 0.000 claims abstract description 20
- 229920006395 saturated elastomer Polymers 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 3
- 235000013305 food Nutrition 0.000 abstract description 14
- 230000001276 controlling effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses an electric steam box and a water supplementing control method, comprising the following steps: acquiring actual relative humidity parameters in a cavity of the electric steamer; calculating a target water supplementing amount according to preset target humidity, target temperature and actual relative humidity parameters; calculating the water supplementing time according to the obtained target water supplementing amount and the water supplementing rate of the water supplementing device; according to the automatic adjustment working mode of the electric steam box during water supplementing, the water supplementing amount can be automatically adjusted according to cooking requirements, and food cooking taste is effectively improved.
Description
Technical Field
The invention relates to the technical field of electric steam boxes, in particular to an electric steam box and a water supplementing control method.
Background
In the existing kitchen electric product electric steam box, the steam generating device is a steam output component, and the water tank is a component for supplying water for the steam generating device. When a user cooks food by using the electric steam box, the requirements of cooking of different foods on steam are different, and the traditional technology is to set the required water supplementing amount according to different cooking functions of the electric steam box, and water is quantitatively added into the steam generating device by the water pump. The method has the defects that the taste of cooked food cannot be influenced by the supply and demand relation of the steam quantity according to the related parameters in the cavity of the electric steam box and the taste of the food, and excessive steam can cause residual condensed water in the cavity of the electric steam box to bring cleaning inconvenience to a certain extent.
Disclosure of Invention
The invention aims to overcome one of the defects of the background technology, and provides a water supplementing control method of an electric steam box, which can automatically adjust the water supplementing amount according to cooking requirements and effectively improve the cooking taste of food.
In addition, the invention provides the electric steam box which can automatically adjust the water supplementing amount and effectively improve the cooking taste of food.
The first object is achieved by the following technical scheme:
a water replenishing control method of an electric steam box comprises the following steps:
acquiring actual relative humidity parameters in a cavity of the electric steamer;
calculating a target water supplementing amount according to preset target humidity, target temperature and actual relative humidity parameters;
calculating the water supplementing time according to the obtained target water supplementing amount and the water supplementing rate of the water supplementing device;
and automatically adjusting the working mode of the electric steam box according to the water supplementing time.
In some embodiments, the calculating the target water replenishment amount according to the preset target humidity, target temperature and actual relative humidity parameter is specifically: and calculating the target water supplementing amount according to the difference between the preset target humidity and the actual relative humidity and the water content of saturated humid air corresponding to the target temperature.
In some embodiments, the water replenishment device has a replenishment rate that is greater than or equal to the rate of water vapor loss in the electric steamer cavity.
In some embodiments, the calculating the water replenishing duration according to the obtained target water replenishing amount and the water replenishing rate of the water replenishing device specifically includes: duration of replenishment = target replenishment amount/rate of replenishment.
In some embodiments, the water replenishment rate of the water replenishment device is adjusted over the water replenishment period such that the water replenishment rate of the water replenishment device is equal to the rate of water vapor loss in the cavity of the electric steamer.
The second object is achieved by the following technical scheme:
an electric steam box is provided with a cavity, a steam generating device, a water supplementing device and a water pump, wherein the water supplementing device is connected with the steam generating device, the steam generating device is connected with the cavity, the water pump is arranged between the water supplementing device and the steam generating device, and the water supplementing rate of the water supplementing device is adjusted by controlling the water pump.
In some embodiments, the method comprises:
the humidity detection device is used for acquiring actual relative humidity parameters in the cavity of the electric steamer;
and the control device is used for calculating the target water supplementing quantity according to the preset target humidity, the target temperature and the actual relative humidity parameters, calculating the water supplementing time length according to the obtained target water supplementing quantity and the water supplementing rate of the water supplementing device, and automatically adjusting the working mode of the electric steam box according to the water supplementing time length.
In some embodiments, the calculating the target water replenishment amount according to the preset target humidity, target temperature and actual relative humidity parameter is specifically: and calculating the target water supplementing amount according to the difference between the preset target humidity and the actual relative humidity and the water content of saturated humid air corresponding to the target temperature.
In some embodiments, the water replenishment device has a replenishment rate that is greater than or equal to the rate of water vapor loss in the electric steamer cavity.
In some embodiments, the water replenishment rate of the water replenishment device is adjusted over the water replenishment period such that the water replenishment rate of the water replenishment device is equal to the rate of water vapor loss in the cavity of the electric steamer.
Compared with the prior art, the invention has at least the following effects:
1. the water supplementing control method can match different water supplementing amounts according to the steam amounts required by cooking different foods so as to improve the water utilization rate and prolong the cooking time and effectively improve the cooking taste of the foods.
2. The electric steam box of the invention can realize automatic adjustment of water supplementing quantity due to the adoption of the water supplementing control method, and effectively improve the cooking taste of food.
Other advantageous results of the invention will be described in the detailed description with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic flow chart of a water replenishment control method in an embodiment;
fig. 2 is a schematic structural view of the electric steamer in the embodiment.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Embodiment one: as shown in fig. 1, this embodiment is a water replenishing control method for an electric steamer, including:
s10, starting the electric steam box to enter a cooking function.
S11, acquiring the actual relative humidity h parameter in the cavity of the electric steamer.
S12, according to the preset target humidity H 0 Target temperature T 0 Calculating a target water replenishment quantity W with the actual relative humidity parameter H, specifically, a target humidity H 0 Target temperature T 0 The device can be preset by a user through the control device or set by the user according to actual needs during use. In the present embodiment, the humidity H is set according to a preset target 0 Target temperature T 0 The calculation of the target water supplementing quantity W by the parameters of the actual relative humidity h is specifically as follows: according to preset target humidity H 0 Difference ΔH from the actual relative humidity H and target temperature T 0 And calculating the target water supplementing amount according to the corresponding water content of the saturated humid air. Further, according to the target temperature T 0 Inquiring a comparison table of saturated wet air water content at different temperatures to obtain a target temperature T 0 The corresponding saturated humid air water content is then based on the target humidity H 0 Calculating a target water replenishment amount, which is different from the target temperature T, from the difference DeltaH between the actual relative humidity H and the target water replenishment amount 0 The control device can preset the comparison table and the conversion relation in relation to the space volume in the cavity of the electric steamer, once the target temperature T is set 0 The target water supplementing amount W can be obtained, so that the target water supplementing amount W can be quickly obtained to carry out water supplementing control.
S13, calculating the water supplementing time length T according to the obtained target water supplementing quantity W and the water supplementing rate V of the water supplementing device. In this embodiment, the water replenishing period T is calculated according to the obtained target water replenishing amount W and the water replenishing rate V of the water replenishing device, and specifically is: the water replenishment period t=target water replenishment amount W/water replenishment rate V. The water supplementing rate V of the water supplementing device can be obtained through experimental measurement, the conversion relation can be preset in the control device, and the preset target humidity H is adopted 0 Target temperature T 0 And calculating the actual relative humidity h parameter to obtain a target water supplementing quantity W, and obtaining a water supplementing time length T according to the water supplementing rate V, so that the water supplementing time length T can be quickly obtained to supplement water. Further, the water supplementing rate V of the water supplementing device is larger than or equal to the water vapor loss rate a1 in the cavity of the electric steam box, so that water supplementing can be completed within the water supplementing time period T.
S14, automatically adjusting the working mode of the electric steam box according to the water supplementing time length T. Firstly, adjusting the water supplementing device within the water supplementing time period T to ensure that the water supplementing device is in the water supplementing time periodT is maintained at the maximum water supplementing rate V allowed by the current cooking function max So as to achieve the purpose of accurate water replenishment; secondly, adjusting the water replenishing rate V of the water replenishing device within the water replenishing time period T so that the water replenishing rate V of the water replenishing device is equal to the water vapor loss rate a1 in the cavity of the electric steam box, wherein the water vapor loss rate a1 in the cavity of the electric steam box is related to the space temperature, the air quantity, the position and the volume of the cavity, and the a1 average value can be obtained through experiments and deductions and is prestored in the control device. The quality loss value of the water vapor is little influenced by the relative humidity change of the cavity space and can be ignored. When v=a1, the water vapor mass loss rate in the cavity of the electric steamer is the same as the water supplementing quantity outflow rate of the water supplementing device of the electric steamer, so that the relative humidity of the cavity space can be kept constant.
According to the water supplementing control method, different water supplementing amounts can be matched according to the steam amount required by cooking different foods, so that the water utilization rate is improved, the cooking time is prolonged, and the cooking taste of the foods can be effectively improved.
In addition, too much steam can be prevented from being sent into the cavity of the electric steamer, so that the excessive steam is prevented from remaining in the cavity of the electric steamer, and further subsequent cleaning is facilitated.
The following is an example of calculation of the water replenishment control method according to the present embodiment:
setting target humidity H 0 60% of target temperature T 0 The actual relative humidity h was measured at 80℃and found to be 50%.
Calculating target water supplementing quantity W required by steam generation in the cavity of the electric steam box, wherein the target water supplementing quantity W is according to set target temperature T 0 Inquiring a comparison table of saturated wet air water content at different temperatures to obtain a target temperature T 0 The corresponding saturated humid air water content is then based on the target humidity H 0 Calculating a target water replenishment amount, which is different from the target temperature T, from the difference DeltaH between the actual relative humidity H and the target water replenishment amount 0 And the volume of the space in the cavity of the electric steamer. Wherein ΔH is the target humidity H 0 Difference from the actual relative humidity h.
△H＝60％-50％＝10％
Inquiring the water content of saturated wet air at different temperatures:
at an air temperature of 80 ℃, the saturated water quantity is 559.835g/kg of air, namely, the water supplementing quantity W of each kg of air is 559.835g multiplied by 10% ≡56g.
Wherein, the partial comparison table of the saturated humid air water content at different temperatures is as follows:
| air temperature DEG C | Saturated steam partial pressure MPa | Moisture content g/Kg dry air |
| 58 | 0.018160 | 138.020 |
| 59 | 0.019030 | 146.186 |
| 60 | 0.019030 | 154.820 |
| 65 | 0.025020 | 207.555 |
| 70 | 0.031180 | 281.807 |
| 75 | 0.038560 | 390.370 |
| 80 | 0.047370 | 559.835 |
And measuring and calculating the water supplementing time length T, wherein the water supplementing time length T=target water supplementing amount W/water supplementing rate V, and the water supplementing rate V can be obtained through experimental measurement.
It is known that: the water supplementing rate of the water supplementing device is measured to be 2g/min through experiments;
the water replenishment period t=target water replenishment amount W/water replenishment rate V, i.e., water replenishment period=56++2=28 min.
The automatic regulation working mode of the electric steam box according to the water supplementing time length T comprises the steps of firstly, regulating the water supplementing device in the water supplementing time length T to maintain the maximum water supplementing speed V allowed by the current cooking function in the water supplementing time length T max So as to achieve the purpose of accurate water replenishment; secondly, the water replenishment rate V of the water replenishment device is adjusted within the water replenishment period T so that the water replenishment rate V of the water replenishment device is equal to the water vapor loss rate a1 in the cavity of the electric steamer, and it is known that: the water vapor mass loss rate a1 in the cavity is tested to obtain 2g/min, namely the water supplementing rate of the water supplementing device is adjusted to reach 2g/min, so that the actual relative humidity of the cavity space is kept stable.
In the second embodiment, as shown in fig. 1 and 2, the present embodiment is an electric steamer, which has a cavity 100, a steam generating device 2, a water compensating device 3 and a water pump, wherein the water compensating device 3 is connected with the steam generating device 2, the water compensating device 3 provides water for the steam generating device 2, the steam generating device 2 is connected with the cavity 100, the steam generating device 2 works to generate steam and provide high temperature steam for the cavity 100 to cook food materials, the water pump is arranged between the water compensating device 3 and the steam generating device 2, the control device is connected with the water pump, and the water compensating rate of the water compensating device is adjusted by controlling the water pump.
Further, the electric steamer of the embodiment further includes:
the humidity detection device 4 is used for acquiring an actual relative humidity h parameter in the electric steamer cavity 100;
control means for controlling the humidity H according to a preset target humidity 0 Target temperature T 0 And calculating a target water supplementing quantity W with the actual relative humidity h parameter, calculating water supplementing time length T according to the obtained target water supplementing quantity W and the water supplementing speed V of the water supplementing device, and automatically adjusting the working mode of the electric steam box according to the water supplementing time length T.
The electric steam box of the embodiment can realize automatic adjustment of water supplementing quantity and effectively improve food cooking taste. The electric steamer of the embodiment adopts the water replenishing control method as described in the first embodiment, and the specific flow and steps are the same, and are not described in detail herein.
In particular, the humidity detecting device 4 is disposed on a side wall of the cavity 100, so that the humidity detecting device can accurately measure the actual relative humidity parameter in the cavity 100 of the electric steamer, and provide an accurate data basis for subsequent water supplementing control, thereby realizing accurate water supplementing.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (9)
1. The water replenishing control method for the electric steam box is characterized by comprising the following steps of:
acquiring actual relative humidity parameters in a cavity of the electric steamer;
calculating a target water supplementing amount according to the difference between the preset target humidity and the actual relative humidity and the water content of saturated humid air corresponding to the target temperature;
calculating the water supplementing time according to the obtained target water supplementing amount and the water supplementing rate of the water supplementing device;
and automatically adjusting the working mode of the electric steam box according to the water supplementing time.
2. The method for controlling water replenishment of an electric steamer according to claim 1, wherein the target humidity and the target temperature are preset by a user through the control device or are set by the user according to actual needs during use.
3. The method of claim 1, wherein the water replenishment rate of the water replenishment device is greater than or equal to the rate of water vapor loss in the electric steamer cavity.
4. The method for controlling water replenishment of an electric steamer according to claim 3, wherein the calculating the water replenishment time period according to the obtained target water replenishment amount and the water replenishment rate of the water replenishment device is specifically as follows: duration of replenishment = target replenishment amount/rate of replenishment.
5. The method of claim 4, wherein the rate of water replenishment by the water replenishment device is adjusted during the water replenishment period such that the rate of water replenishment by the water replenishment device is equal to the rate of water vapor loss in the cavity of the electric steamer.
6. A method of controlling the refill of an electric steamer as claimed in any one of claims 1 to 5, wherein the refill device is adjusted during the refill period to maintain the maximum refill rate allowed by the current cooking function during the refill period.
7. The electric steam box is characterized by comprising a cavity, a steam generating device, a water supplementing device and a water pump, wherein the water supplementing device is connected with the steam generating device, the steam generating device is connected with the cavity, the water pump is arranged between the water supplementing device and the steam generating device, and the water supplementing rate of the water supplementing device is adjusted by controlling the water pump;
the electric steamer comprises a water supply device, a humidity detection device, a control device and a control device, wherein the water supply device is used for obtaining actual relative humidity parameters in a cavity of the electric steamer, the control device is used for calculating target water supply amount according to the difference between preset target humidity and actual relative humidity and the water content of saturated humid air corresponding to target temperature, calculating water supply time length according to the obtained target water supply amount and the water supply rate of the water supply device, and automatically adjusting a working mode according to the water supply time length;
and adjusting the water supplementing device in the water supplementing time period to maintain the maximum water supplementing rate allowed by the current cooking function in the water supplementing time period.
8. An electric steamer as claimed in claim 7, characterized in that the water replenishment device has a water replenishment rate which is greater than or equal to the water vapour loss rate in the electric steamer body.
9. An electric steamer as claimed in claim 8, characterized in that the water replenishment rate of the water replenishment device is adjusted during the water replenishment period such that the water replenishment rate of the water replenishment device is equal to the water vapour loss rate in the electric steamer body.
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| CN201810613058.1A CN108903612B (en) | 2018-06-14 | 2018-06-14 | Electric steam box and water supplementing control method |
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| CN201810613058.1A CN108903612B (en) | 2018-06-14 | 2018-06-14 | Electric steam box and water supplementing control method |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110326961B (en) * | 2019-06-27 | 2021-08-27 | 宁波奥克斯厨电制造有限公司 | Automatic water adding control method and system for electric steam box |
| CN110376948B (en) * | 2019-07-26 | 2020-10-02 | 珠海格力电器股份有限公司 | Cooking appliance control method and cooking appliance |
| CN113390106B (en) * | 2020-03-12 | 2024-04-05 | 广东美的白色家电技术创新中心有限公司 | Control method, cooking appliance and storage medium |
| CN112205855A (en) * | 2020-08-24 | 2021-01-12 | 华帝股份有限公司 | Intelligent control method of steam cooking equipment |
| CN112273987A (en) * | 2020-09-11 | 2021-01-29 | 华帝股份有限公司 | Control method of steam cooking equipment and steam cooking equipment |
| CN112568824A (en) * | 2020-11-20 | 2021-03-30 | 江苏美的清洁电器股份有限公司 | Cleaning device, control method and device thereof, electronic device and storage medium |
| CN112806839B (en) * | 2021-02-07 | 2021-11-09 | 珠海格力电器股份有限公司 | Steam generator control method and device, steam generator and steam oven |
| CN114504251A (en) * | 2022-03-07 | 2022-05-17 | 南京新骥厨具设备发展有限公司 | Temperature and humidity control method, device and equipment for steam oven and storage medium |
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| JPS55835A (en) * | 1978-06-19 | 1980-01-07 | Mitsubishi Heavy Ind Ltd | Secondary fluid temperature controller for heat exchanger |
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