CN111802905A - Steam cooking equipment with humidity detects function - Google Patents
Steam cooking equipment with humidity detects function Download PDFInfo
- Publication number
- CN111802905A CN111802905A CN202010518776.8A CN202010518776A CN111802905A CN 111802905 A CN111802905 A CN 111802905A CN 202010518776 A CN202010518776 A CN 202010518776A CN 111802905 A CN111802905 A CN 111802905A
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- connecting pipe
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- 238000010411 cooking Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000009833 condensation Methods 0.000 claims description 36
- 230000005494 condensation Effects 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 description 10
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
-
- 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
- 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
Abstract
The invention discloses steam cooking equipment with a humidity detection function, which comprises a box body, a humidifying device, a dehumidifying device, a humidity sensor and a controller, wherein a steam outlet of the humidifying device is communicated with a steam inlet of the box body, a steam connecting pipe and a steam exhaust pipe are connected with the steam outlet of the box body, the other end of the steam connecting pipe is communicated with the steam inlet of the dehumidifying device, a control valve is arranged on the steam connecting pipe, the humidity sensor is arranged in the dehumidifying device, and the controller is respectively electrically connected with the humidifying device, the dehumidifying device, the humidity sensor and the control valve.
Description
Technical Field
The invention relates to the technical field of kitchen electricity, in particular to steam cooking equipment with a humidity detection function.
Background
In the related art, the use of steam cooking devices is becoming more and more popular, but the current steam cooking devices cannot realize the functions of humidifying, dehumidifying and humidity detecting the steam cooking devices, so that it is difficult to meet the cooking requirements of different customers.
In addition, in the cooking process of food, humidity control in the steam cooking device is an important control parameter index in order to ensure the cooking effect. In order to detect humidity data in a steam cooking device, a low temperature humidity sensor has been used in the steam cooking device in the prior art for measuring humidity in the steam cooking device in a low temperature fermentation state. However, most of steam cooking devices have cooking menus with working temperatures above 200 ℃, and currently, there is no humidity sensor which can be stably used for measuring humidity at high temperature, so that humidity monitoring in the steam cooking devices is still difficult, and humidity control in the steam cooking devices can be usually performed only according to experimental data of the menus.
Disclosure of Invention
The present invention has been made to solve at least one of the problems of the related art to some extent, and it is an object of the present invention to provide a steam cooking apparatus having a humidity detection function, which has a simple structure and can effectively improve the accuracy of humidity detection.
The above purpose is realized by the following technical scheme:
the utility model provides a steam cooking equipment with humidity detects function, includes box, humidification device, dehydrating unit, humidity transducer and controller, wherein is in be formed with the heating chamber in the box, humidification device's steam outlet with the steam inlet intercommunication of box, the steam outlet of box is connected with steam connecting pipe and steam exhaust pipe, the other end of steam connecting pipe with dehydrating unit's steam inlet intercommunication be provided with the control valve on the steam connecting pipe, humidity transducer set up in the dehydrating unit, the controller respectively with humidification device dehydrating unit humidity transducer with control valve electric connection.
In some embodiments, the humidifying device comprises a water tank, a water pump and an evaporator, wherein the water tank, the water pump and the evaporator are connected in sequence, and a steam outlet of the evaporator is communicated with the tank body.
In some embodiments, the dehumidifying device includes a low-temperature condensation zone, a steam inlet of the low-temperature condensation zone is communicated with the other end of the steam connecting pipe, and a condensed water outlet of the low-temperature condensation zone is communicated with the water tank.
In some embodiments, the vapor inlet of the low-temperature condensation zone is disposed at one side of the low-temperature condensation zone, and a temperature and humidity exchange baffle is disposed at the other side of the low-temperature condensation zone opposite to the vapor inlet.
In some embodiments, the humidity sensor is disposed at the top of the box, and the detection end of the humidity sensor extends downward from the top of the box into the box.
In some embodiments, the absolute humidity within the enclosure is calculated by the following equation:
a/(c × d × e), where a is absolute humidity in the box, b is a humidity value in the low-temperature condensation area detected by the humidity sensor, c is a ratio of sectional areas of the steam connection pipe and the steam outlet of the box, d is an opening degree of the control valve, and e is a ratio of sectional areas of the steam connection pipe and the low-temperature condensation area.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the steam cooking equipment disclosed by the invention is simple in structure, and can effectively improve the accuracy of humidity detection. Specifically, through drawing forth the high temperature steam in the steam cooking equipment box, cool off in the dehumidification device, then measure the steam humidity after the cooling through humidity transducer, then acquire high temperature steam humidity through calculating, its simple structure not only makes the cost lower because of can utilizing common normal atmospheric temperature moderate degree sensor moreover.
Drawings
Fig. 1 is a schematic view of a steam cooking apparatus according to an embodiment of the present invention;
fig. 2 is a circuit block diagram of a steam cooking apparatus in an embodiment of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.
The first embodiment is as follows: as shown in fig. 1 and 2, the present embodiment provides a steam cooking device with humidity detection function, which comprises a box body 1, a humidification device, a dehumidification device, a humidity sensor 2 and a controller, wherein a heating cavity is formed in the box body 1, a steam outlet of the humidification device is communicated with a steam inlet of the box body 1, a steam connecting pipe 3 and a steam exhaust pipe 4 are connected to a steam outlet of the box body 1, the other end of the steam connecting pipe 3 is communicated with a steam inlet of the dehumidification device, a control valve 5 is arranged on the steam connecting pipe 3, the humidity sensor 2 is arranged in the dehumidification device, and the controller is respectively electrically connected with the humidification device, the dehumidification device, the humidity sensor 2 and the control valve 5.
The steam cooking equipment of this embodiment, its simple structure can effectively improve the accuracy that humidity detected. Specifically, through drawing forth the high temperature steam in the steam cooking equipment box 1, cool off in the dehydrating unit, then measure the steam humidity after the cooling through humidity transducer 2, acquire high temperature steam humidity through calculating then, its simple structure not only, make the cost lower because of can utilizing common normal atmospheric temperature moderate degree sensor moreover.
In this embodiment, the control valve 5 is a step motor valve, so that the amount of steam entering the dehumidifying device from the box body 1 can be adjusted more accurately. By controlling the work of the stepping motor valve, the opening degree of the steam connecting pipe 3 between the box body 1 and the dehumidifying device can be controlled, the steam in the box body 1 is in an unsaturated or saturated state, and normal steam exhaust and condensation dehumidification are realized.
Further, the humidifying device comprises a water tank 6, a water pump 7 and an evaporator 8, wherein the water tank 6, the water pump 7 and the evaporator 8 are sequentially connected, and a steam outlet of the evaporator 8 is communicated with the box body 1. The water pump 7 pumps water in the water tank 6 into the evaporator 8, and the evaporator 8 operates to heat the water into steam and supply the steam into the cabinet 1 for cooking food. Specifically, the controller is electrically connected to the evaporator 8, and the control logic of the evaporator 8 controls the amount of the steam generated by the evaporator 8 by controlling the duty ratio of the signal output from the controller to the evaporator 8, thereby achieving the purpose of controlling the amount of the steam entering the box body 1.
Preferably, the dehumidifying device comprises a low-temperature condensation zone 9, a steam inlet of the low-temperature condensation zone 9 is communicated with the other end of the steam connecting pipe 3, and a condensed water outlet of the low-temperature condensation zone 9 is communicated with the water tank 6. The high-temperature steam entering the low-temperature condensation area 9 can be cooled through the arranged low-temperature condensation area 9, the steam in the unsaturated state is changed into the steam in the saturated state, namely, the steam is discharged after liquid water is formed, and the process of converting the steam into the liquid water is the process of 'dehumidification'. When the humidity in the low-temperature condensation area 9 is in a saturated state, namely in a condensation state, the humidity in the box body 1 can be reduced, and the effect of rapid dehumidification is achieved. In addition, the opening degree of the stepping motor valve can be controlled to be in a saturated state and a non-saturated state. And the liquid water that forms is the comdenstion water and is retrieved into water tank 6, reaches the effect that reduces the comdenstion water and arrange outward from this to can realize the reuse of water resource, do benefit to the utilization ratio that improves the water resource.
More preferably, a steam inlet of the low-temperature condensation area 9 is arranged at one side of the low-temperature condensation area 9, a warm-wet exchange baffle 10 is arranged at the other side, opposite to the steam inlet, of the low-temperature condensation area 9, steam sprayed into the low-temperature condensation area 9 through the steam inlet is in contact with the warm-wet exchange baffle 10, and the set warm-wet exchange baffle 10 can be used for rapidly condensing and cooling high-temperature steam entering the low-temperature condensation area 9 so as to improve dehumidification efficiency.
In this embodiment, the absolute humidity in the box 1 is calculated by the following formula:
a is b/(c × d × e), where a is the absolute humidity in the box, b is the humidity value in the low-temperature condensation area 9 detected by the humidity sensor, c is the ratio of the sectional areas of the steam connection pipe 3 and the steam outlet of the box 1, d is the opening degree of the control valve, and e is the ratio of the sectional areas of the steam connection pipe 3 and the low-temperature condensation area 9.
The following example is given to how the absolute humidity in the cabinet 1 is calculated:
supposing that the temperature in the box body 1 is 110 ℃, and the temperature in the low-temperature condensation zone 9 is 60 ℃;
the absolute humidity value in the box body 1 is a, and the absolute humidity value at the steam outlet of the box body 1 is the same as the absolute humidity value in the box body 1 and is a;
assuming that the ratio of the sectional areas of the steam connection pipe 3 and the steam outlet of the box 1 is 1/2, it can be known that the absolute humidity value in the steam connection pipe 3 is 1/2a, and similarly, the absolute humidity value in the steam connection pipe 4 is 1/2 a;
the opening of the stepping motor valve can be controlled between 0% and 100%, and if the opening of the stepping motor valve is 30%, the humidity value of the stepping motor valve flowing through the steam connecting pipe 3 is 1/2a x 30%;
assuming that the ratio of the cross-sectional areas of the steam connecting pipe 3 and the cryocondensation zone 9 is 1:10, the humidity b reaching the cryocondensation zone 9 is 1/2a 30% by 10%;
b is known from this, and a is b/(c × d × e), in this embodiment, b/0.015.
The operation of the steam cooking apparatus of the present embodiment is explained as follows:
1. humidifying, namely setting different humidity gears by controlling the opening and closing time of an evaporator;
2. and (3) temperature detection:
(1) part of high-temperature steam can be guided into the low-temperature condensation area 9 through the steam connecting pipe 3 to be used for detecting the steam humidity, so that the humidity in the box body 1 can be indirectly detected;
(2) the humidity sensor 2 works in the low-temperature condensation area 9 with relatively low temperature and relatively low humidity, so that the humidity sensor 2 can work in the temperature and humidity measuring range, and the accuracy of humidity detection is ensured;
(3) the opening of the steam connecting pipe 3 can be controlled by a stepping motor valve, so that the low-temperature condensation area 9 is in an unsaturated state;
(4) the absolute humidity value in the box body 1 is calculated by inputting the diluted proportion and the humidity value in the low-temperature condensation area 9, wherein the diluted proportion is the ratio of pipe diameters, namely the ratio of the sectional areas of the steam connecting pipe 3 and the low-temperature condensation area 9.
3. Dehumidifying, namely increasing the humidity entering a low-temperature condensation area 7 by increasing the opening of a stepping motor valve to enable the low-temperature condensation area to work in an oversaturated state, forming condensed water by steam in the oversaturated state, and entering a water tank 4 of a humidifying device through a condensed water collecting pipeline for secondary utilization;
4. according to the intelligent menu, the actual humidity detection calculation value is compared with a threshold value, and the humidification and dehumidification functions are reasonably selected.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a steam cooking equipment with humidity detects function, its characterized in that, includes box (1), humidification device, dehydrating unit, humidity transducer (2) and controller, wherein be formed with the heating chamber in box (1), humidification device's steam outlet with the steam inlet intercommunication of box (1), the steam outlet of box (1) is connected with steam connecting pipe (3) and steam exhaust pipe (4), the other end of steam connecting pipe (3) with dehydrating unit's steam inlet intercommunication be provided with control valve (5) on steam connecting pipe (3), humidity transducer (2) set up in the dehydrating unit, the controller respectively with humidification device dehydrating unit humidity transducer (2) with control valve (5) electric connection.
2. Steam cooking equipment with humidity detection function according to claim 1, characterized in that the humidification device comprises a water tank (6), a water pump (7) and an evaporator (8), wherein the water tank (6), the water pump (7) and the evaporator (8) are connected in sequence, and the steam outlet of the evaporator (8) is communicated with the box body (1).
3. A steam cooking apparatus with humidity detecting function according to claim 2, characterized in that the dehumidifying means comprises a low temperature condensing zone (9), the steam inlet of the low temperature condensing zone (9) is communicated with the other end of the steam connecting pipe (3), and the condensed water outlet of the low temperature condensing zone (9) is communicated with the water tank (6).
4. A steam cooking apparatus with humidity detection function according to claim 3, characterized in that the steam inlet of the low temperature condensation zone (9) is provided at one side of the low temperature condensation zone (9), and a temperature and humidity exchange baffle (10) is provided at the other side opposite to the steam inlet in the low temperature condensation zone (9).
5. A steam cooking apparatus with humidity detecting function according to claim 3, characterized in that the absolute humidity inside the cabinet (1) is calculated by the following formula:
a/(c × d × e), where a is the absolute humidity in the box, b is the humidity value in the low-temperature condensation zone (9) detected by the humidity sensor, c is the ratio of the sectional areas of the steam connection pipe and the steam outlet of the box (1), d is the opening of the control valve, and e is the ratio of the sectional areas of the steam connection pipe and the low-temperature condensation zone (9).
6. Steam cooking apparatus with humidity detection according to any of claims 1 to 5, characterized in that the control valve (5) is a stepper motor valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010518776.8A CN111802905B (en) | 2020-06-09 | 2020-06-09 | Steam cooking equipment with humidity detects function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010518776.8A CN111802905B (en) | 2020-06-09 | 2020-06-09 | Steam cooking equipment with humidity detects function |
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| Publication Number | Publication Date |
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| CN111802905A true CN111802905A (en) | 2020-10-23 |
| CN111802905B CN111802905B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010518776.8A Active CN111802905B (en) | 2020-06-09 | 2020-06-09 | Steam cooking equipment with humidity detects function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112690662A (en) * | 2021-01-20 | 2021-04-23 | 宁波方太厨具有限公司 | Humidity detection device and method |
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| CN104665573A (en) * | 2014-08-22 | 2015-06-03 | 广东美的厨房电器制造有限公司 | Cooking equipment and control method thereof |
| EP3108774A1 (en) * | 2015-06-24 | 2016-12-28 | Electrolux Appliances Aktiebolag | Cooking vessel for an oven cavity of a cooking oven |
| CN207837415U (en) * | 2017-07-22 | 2018-09-11 | 佛山市顺德区客浦电器有限公司 | A kind of electric oven with humidification function |
| CN108852013A (en) * | 2018-05-11 | 2018-11-23 | 广东美的厨房电器制造有限公司 | Absolute humidity detection device, method and cooking apparatus for cooking apparatus |
| CN209421696U (en) * | 2017-12-13 | 2019-09-24 | 横琴大行德广智能科技股份有限公司 | A kind of steaming and baking box with humidity adjusting function |
| CN111110016A (en) * | 2019-12-30 | 2020-05-08 | 广东美的厨房电器制造有限公司 | Steaming and baking equipment, humidity detection method and humidity control method |
-
2020
- 2020-06-09 CN CN202010518776.8A patent/CN111802905B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665573A (en) * | 2014-08-22 | 2015-06-03 | 广东美的厨房电器制造有限公司 | Cooking equipment and control method thereof |
| EP3108774A1 (en) * | 2015-06-24 | 2016-12-28 | Electrolux Appliances Aktiebolag | Cooking vessel for an oven cavity of a cooking oven |
| CN207837415U (en) * | 2017-07-22 | 2018-09-11 | 佛山市顺德区客浦电器有限公司 | A kind of electric oven with humidification function |
| CN209421696U (en) * | 2017-12-13 | 2019-09-24 | 横琴大行德广智能科技股份有限公司 | A kind of steaming and baking box with humidity adjusting function |
| CN108852013A (en) * | 2018-05-11 | 2018-11-23 | 广东美的厨房电器制造有限公司 | Absolute humidity detection device, method and cooking apparatus for cooking apparatus |
| CN111110016A (en) * | 2019-12-30 | 2020-05-08 | 广东美的厨房电器制造有限公司 | Steaming and baking equipment, humidity detection method and humidity control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112690662A (en) * | 2021-01-20 | 2021-04-23 | 宁波方太厨具有限公司 | Humidity detection device and method |
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| CN111802905B (en) | 2021-08-24 |
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