CN109124344B - Cooking apparatus - Google Patents
Cooking apparatus Download PDFInfo
- Publication number
- CN109124344B CN109124344B CN201710465594.7A CN201710465594A CN109124344B CN 109124344 B CN109124344 B CN 109124344B CN 201710465594 A CN201710465594 A CN 201710465594A CN 109124344 B CN109124344 B CN 109124344B
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- water
- water tank
- foam
- inner pot
- pot
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- 238000010411 cooking Methods 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 255
- 239000006260 foam Substances 0.000 claims abstract description 90
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 42
- 238000005507 spraying Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 abstract description 15
- 230000000630 rising effect Effects 0.000 abstract description 7
- 230000002401 inhibitory effect Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 21
- 239000000243 solution Substances 0.000 description 11
- 241000209094 Oryza Species 0.000 description 9
- 235000007164 Oryza sativa Nutrition 0.000 description 9
- 235000009566 rice Nutrition 0.000 description 9
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000005406 washing Methods 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
- A47J27/56—Preventing boiling over, e.g. of milk
-
- 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
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The present invention provides a cooking apparatus comprising: the equipment body is internally provided with an inner pot; the first pipe orifice of the water pipe extends to the upper part of the inner pot opening; the second pipe orifice of the water pipe extends to a position below the liquid level in the water tank; and the gas transmission device is connected with the water tank and transmits gas into the water tank during operation. According to the cooking equipment provided by the scheme, water in the air pressure driving water tank flows into the inner pot along the water pipe, so that foam in the pot is broken and released, the purposes of reducing the quantity of the foam and inhibiting the rising of the foam are achieved, the overflow prevention function of the cooking equipment is realized, meanwhile, the water loss in the inner pot is reduced, the cooking taste is guaranteed, the control precision of the water outlet pressure of the water pipe and the stability and continuity of the water outlet are easier to guarantee due to the structure in the scheme, the water outlet of the water pipe is kept in an optimal state, the proper impact force of the water can be utilized to act on the foam to achieve the purpose of promoting the foam to break quickly, and the problem of quick back-up of the foam under a large-fire heating condition is avoided.
Description
Technical Field
The invention relates to the field of kitchen appliances, in particular to cooking equipment.
Background
When cooking equipment such as electric rice cooker, electric pressure cooker, electric stewpot in the prior art is when cooking, can produce a large amount of rice soup foam in the a kind of deep pot, these foam overflows very easily, and these foam that overflows can dirty the kitchen on the one hand, has reduced the use experience of product, and on the other hand can make the water flowing water of cooking in the rice pot, causes rice to clip together, to this technical problem, prior art breaks the bubble through setting up steam valve or broken bubble net in cooking equipment in order to reach the purpose of preventing overflows and reducing the moisture loss, but, the use limitation of this structure is great, when the foam that produces is more, can not solve the problem that the foam overflows completely.
Disclosure of Invention
In order to solve at least one of the above technical problems, an object of the present invention is to provide a cooking apparatus.
To achieve the above object, the present invention provides a cooking apparatus comprising: the equipment body comprises a pot body assembly and a pot cover assembly which is suitable for being covered with the pot body assembly, wherein an inner pot is arranged in the pot body assembly; the first pipe orifice of the water pipe extends to the upper part of the inner pot opening; the second pipe orifice of the water pipe extends to a position below the liquid level in the water tank; and the gas transmission device is connected with the water tank and transmits gas into the water tank during operation.
According to the cooking equipment provided by the invention, one end of the water pipe extends to the upper part of the pot opening of the inner pot, the other end of the water pipe extends to the position below the liquid level in the water tank, the gas transmission device is used for transmitting gas into the water tank, so that the gas pressure in the water tank can be correspondingly increased, when foam in the inner pot rises, the water in the water tank can be driven by the gas pressure to flow into the inner pot along the water pipe, so that the foam in the pot is broken and released, the purposes of reducing the quantity of the foam and inhibiting the rising of the foam are achieved, the overflow prevention function of the cooking equipment is realized, the problem of pollution to the cooking environment caused by overflow of the foam is avoided, meanwhile, the water loss in the inner pot is reduced, and the cooking taste is ensured.
In addition, the cooking apparatus provided in the above embodiment of the present invention may further have the following additional technical features:
in the above technical solution, the cooking apparatus further includes: and the control valve is arranged on the water pipe and used for controlling the on-off of the water pipe, wherein when the control valve is opened, the air pressure in the water tank drives the water in the water tank to flow to the inner pot.
In this scheme, set up the control valve and be used for controlling the break-make of water pipe, like this can be under the state that the control valve closed, control the air-supply device and supply air to the water tank, so that the atmospheric pressure in the water tank rises to the setting value, and when need send water in the interior pot, for example need break bubble in the interior pot, can open the control valve, make the water of the interior water tank drive water flow to the interior pot with the atmospheric pressure of setting value size, on the one hand, can guarantee like this to the driving pressure stability of water, guarantee the water pressure stability of the first mouth of pipe department of water pipe, guarantee the broken bubble effect of water supply, on the other hand, can ensure that the atmospheric pressure in the water tank is greater than the interior pot internal pressure, prevent foam or the air current in the interior pot backward flow to the water tank along the water pipe, prevent the water in the water tank from receiving the pollution.
In the above technical solution, the cooking apparatus further includes: the foam detector is used for sending an anti-overflow signal when detecting that the foam in the inner pot rises to a preset position; and the controller is connected to the foam detector and the control valve and is used for controlling the control valve to be opened when the overflow-preventing signal is detected.
In this scheme, set up the foam detector and detect the liquid level information in the interior pot to send anti-overflow signal when detecting the foam in the interior pot and rise to the preset position, with utilize anti-overflow signal trigger controller control valve to open, so that the water in the water tank can flow to interior pot and break the bubble, realize the automatic monitoring of equipment anti-overflow function, avoid the foam to overflow and pollute the problem of cooking environment, reduce the moisture loss in the interior pot simultaneously, guarantee the culinary art taste.
In the above technical solution, the cooking apparatus further includes: the timer is connected to the controller, and is further used for continuously detecting the anti-overflow signal after the control valve is opened, and starting the timer when the anti-overflow signal is not detected, wherein the timer is used for detecting the time delay duration of the operation of the foam detector, and triggering the controller to control the control valve to be closed when the time delay duration is detected to reach the preset duration.
In this scheme, utilize the controller to control the control valve and carry out time delay work after the foam falls back to the below preset position in the pot, even the control valve continues to keep opening in presetting duration, this can strengthen the bubble removal effect to interior pot, avoid the quick problem of anti-fluttering of foam in interior pot under the big thermal heating condition, and reduce the switching frequency of control valve between the break-make to a certain extent, guarantee its use reliability, compared with the scheme that utilizes steam valve or broken bubble net can only realize the low-efficient broken bubble in prior art, this scheme still can realize the effect that prevents the foam completely even if to interior pot is continuous big thermal heating condition, can not continuously big thermal heating's drawback in the current cooking equipment is solved, thereby further promote the culinary art taste of product.
Preferably, the preset time period is 2 s-6 s.
In any of the above solutions, the cooking apparatus further includes: the spraying device is arranged at the first pipe orifice and is used for enabling water output from the first pipe orifice to be ejected into the inner pot.
In this scheme, set up spray set (for example set up nozzle or shower nozzle) in the first mouth of pipe department of water pipe to make the water of following this first mouth of pipe department output be the injection form and penetrate into interior pot, can promote the injection area and the injection pressure of first mouth of pipe department rivers like this, with the broken bubble effect in further promoting interior pot, avoid the foam to spill over and pollute the problem of cooking environment, and can avoid the quick problem of anti-fluttering of foam under the big thermal heating condition.
In the technical scheme, the water spraying range of the spraying device in the axial direction of the inner pot is not less than two thirds of the axial dimension of the inner pot; and/or the water spray range of the spraying device along the radial direction of the inner pot is not less than two thirds of the radial dimension of the inner pot.
In the scheme, the water spraying range of the spraying device in the axial direction of the inner pot is not less than two thirds of the axial dimension of the inner pot, so that the spraying device has a certain spraying depth in foam, the problem of quick rising of the foam is avoided, and the water spraying range of the spraying device in the axial direction of the inner pot is limited to be more than or equal to two thirds of the axial dimension of the inner pot, so that the foam is controlled to be less than one third of the height of the inner pot, the effect of completely preventing the foam from overflowing can be achieved, and the anti-overflow requirement in large-fire cooking is met; the spray device is arranged to ensure that the spray area of the inner pot is not smaller than two thirds of the radial size of the inner pot, and foam breaking uniformity is ensured, wherein the spray device can further preferably ensure that the spray range of the spray device in the radial direction of the inner pot is equal to the inner diameter of the inner pot, so that water sprayed by the spray device is sprayed onto the inner surface of the inner pot, the effect of flushing the surface of the inner pot is achieved at the same time of foam breaking, food nutrition loss is reduced, and foam climbing along the inner surface of the inner pot is inhibited.
In any of the above solutions, the cooking apparatus further includes: the control unit is connected to the gas transmission device; and the pressure detector is used for triggering the control unit to control the gas transmission device to operate when detecting that the gas pressure value in the water tank is smaller than or equal to a preset lower limit value, and triggering the controller to control the gas transmission device to be closed when detecting that the gas pressure value in the water tank is larger than or equal to a preset upper limit value.
In this scheme, set up the atmospheric pressure value in the pressure detector detects the water tank, and when detecting the atmospheric pressure value in the water tank and be less than or equal to predetermine the lower extreme value, trigger control unit control air supply unit operation, when detecting the atmospheric pressure value in the water tank and be greater than or equal to predetermine the upper limit value, trigger control unit control air supply unit and close, in order to realize controlling the atmospheric pressure value in the water tank between predetermineeing upper limit value and predetermineeing the lower limit value, avoid the problem of bubble or the air current in the inner pot backward flow to the water tank along the water pipe, and guarantee that the water pressure of water pipe first mouth of pipe department is stable, especially to the first mouth of pipe department of water pipe is equipped with spray set's such as nozzle the condition, can provide spray set and carry out the pressure drop of water spray, the broken bubble effect of water spray is further guaranteed.
More specifically, the control unit may be the same as the controller for controlling the on-off of the control valve, and of course, the control unit and the controller may be two relatively independent components to perform corresponding control operations respectively.
In the above technical solution, the preset lower limit value is 0.1MPa, and/or the preset upper limit value is 0.3MPa.
In the scheme, the preset lower limit value is set to be 0.1MPa, and even if the control unit controls the air pressure value in the water tank to be 0.1MPa or more, the stable water flow under the air pressure driving can be ensured, the water flow sprayed by the spraying device is ensured to have a certain impact force, and the foam breaking effect in the pot is improved; the preset upper limit value is set to be 0.3MPa, even if the control unit controls the air pressure value in the water tank to be 0.3MPa or below, the flow rate of water flow can be limited in a certain range, the problem of excessive water inflow in the inner pot is prevented, meanwhile, stable water flow under air pressure driving can be ensured, and the foam breaking effect in the pot is improved.
In any of the above solutions, the gas delivery device is configured to: and delivering gas with the gas pressure of 0.2-0.4 MPa into the water tank.
In the scheme, the gas transmission device is arranged to transmit gas with the gas pressure of 0.2-0.4 MPa into the water tank, so that the pressure rising rate in the water tank can be controlled within a certain range, the safety of the gas transmission process is ensured, and of course, the gas pressure used for driving in the water tank can be effectively controlled within 0.2-0.4 MPa under the condition that the water tank supplies water to an inner pot and the gas transmission device transmits gas to the water tank is synchronous, the stable water flow under the gas pressure driving is ensured, the water flow sprayed by the spraying device is ensured to have a certain impact force, and the foam breaking effect in the pot is improved.
In any of the above technical solutions, the air delivery device includes an air pump or a fan.
In any of the above solutions, the cooking apparatus further includes: the pressure limiting device is used for detecting the air pressure value in the water tank and controlling the water tank to release air to reduce pressure when the air pressure value is detected to be higher than a preset value.
In this scheme, set up pressure limiting device (for example for mechanical relief valve or for including pressure sensor, solenoid valve and the controller that is connected with pressure sensor and solenoid valve electricity) when detecting the atmospheric pressure in the water tank and be higher than the atmospheric pressure of predetermineeing, control the water tank and leak outward in order to step down, can prevent the problem that the water tank exploded the case like this, promote the security of product.
Optionally, the cooking device is an electric cooker, an electric pressure cooker, an electric steaming stove or an electric stewing pot.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic cross-sectional structure of a cooking apparatus according to an embodiment of the present invention.
The correspondence between the reference numerals and the component names in fig. 1 is:
10 equipment body, 11 pot body assembly, 12 pot cover assembly, 13 inner pot, 14 heating device, 15 air outlet channel, 20 water pipe, 30 water tank, 40 air delivery device, 50 control valve, 60 foam detector, 70 controller, 80 spray device, 90 pressure detector.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
A cooking apparatus according to some embodiments of the present invention is described below with reference to fig. 1.
As shown in fig. 1, the cooking apparatus provided by the present invention includes: the device body 10, the water pipe 20, the water tank 30 and the gas transmission apparatus 40.
Specifically, the device body 10 comprises a pot body assembly 11 and a pot cover assembly 12 which is suitable for being covered with the pot body assembly 11, and an inner pot 13 is arranged in the pot body assembly 11; the first pipe orifice of the water pipe 20 extends to the upper part of the pot opening of the inner pot 13, and the second pipe orifice of the water pipe 20 extends to the position below the liquid level in the water tank 30; the gas delivery device 40 is connected to the water tank 30 and operates to deliver gas into the water tank 30.
According to the cooking equipment provided by the invention, one end of the water pipe 20 is arranged to extend above the pot opening of the inner pot 13, the other end of the water pipe 20 extends to a position below the liquid level in the water tank 30, the gas transmission device 40 is used for transmitting gas into the water tank 30, so that the gas pressure in the water tank 30 can be correspondingly increased, when the foam in the inner pot 13 rises, the water in the water tank 30 can be driven by the gas pressure to flow into the inner pot 13 along the water pipe 20, so that the foam in the pot is promoted to be broken and released, the purposes of reducing the quantity of the foam and inhibiting the rising of the foam are achieved, the overflow preventing function of the cooking equipment is realized, the problem that the foam overflows to pollute the cooking environment is avoided, meanwhile, the water loss in the inner pot 13 is reduced, and the cooking taste is ensured.
In one embodiment of the present invention, as shown in fig. 1, the cooking apparatus further comprises a control valve 50, in particular, the control valve 50 is provided on the water pipe 20 for controlling the on-off of the water pipe 20, wherein when the control valve 50 is opened, the air pressure in the water tank 30 drives the water in the water tank 30 to flow to the inner pot 13.
In this scheme, the control valve 50 is provided to control the on-off of the water pipe 20, so that the air supply device 40 can be controlled to supply air into the water tank 30 under the condition that the control valve 50 is closed, so that the air pressure in the water tank 30 is increased to a set value, and when water is required to be supplied into the inner pot 13, for example, when bubbles are required to be broken in the inner pot 13, the control valve 50 can be opened, so that the air pressure in the water tank 30 with the set value drives the water to flow into the inner pot 13, on one hand, the driving pressure of the water can be ensured to be stable, the water pressure at the first pipe opening of the water pipe 20 can be ensured to be stable, the bubble breaking effect of the supplied water can be ensured, on the other hand, the air pressure in the water tank 30 can be ensured to be larger than the inner pressure in the inner pot 13, the bubbles or air flows back to the water tank 30 along the water pipe 20, and the water body in the water tank 30 is prevented from being polluted.
Of course, the present solution is not limited thereto, and it will be understood that the person skilled in the art may not provide the control valve 50 according to the need, but control whether to send water to the inner pot 13 by controlling the start and stop of the air delivery device 40, for example, when the air delivery device 40 is started, the air pressure directly sends the water pressure in the water tank 30 to the inner pot 13, and when the air delivery device 40 is stopped, the water pressure in the water tank 30 stops sending the water pressure in the water tank 30 to the inner pot 13 because no air is fed into the water tank 30.
In one embodiment of the present invention, as shown in fig. 1, the cooking apparatus further comprises: a foam detector 60 and a controller 70, specifically, the foam detector 60 is used for sending out an anti-overflow signal when detecting that the foam in the inner pot 13 rises to a preset position; the controller 70 is connected to the foam detector 60 and the control valve 50 for controlling the control valve 50 to open when an overflow prevention signal is detected.
In this scheme, the foam detector 60 is set to detect the liquid level information in the inner pot 13, and sends an anti-overflow signal when the foam in the inner pot 13 is detected to rise to a preset position, so that the controller 70 is triggered by the anti-overflow signal to control the control valve 50 to be opened, so that water in the water tank 30 can flow to the inner pot 13 to break foam, the automatic monitoring of the anti-overflow function of the device is realized, the problem that the foam overflows to pollute the cooking environment is avoided, the water loss in the inner pot 13 is reduced, and the cooking taste is ensured.
In one embodiment of the present invention, the cooking apparatus further comprises a timer (not shown), specifically, the timer is connected to the controller 70, and the controller 70 is further configured to continue detecting the overflow preventing signal after the control valve 50 is opened, and start the timer when the overflow preventing signal is not detected, wherein the timer is configured to detect a time delay period of the operation of the foam detector 60, and trigger the controller 70 to control the control valve 50 to be closed when the time delay period is detected to reach a preset time period (preferably, the preset time period is 2s to 6 s).
In this scheme, utilize the controller 70 to control the control valve 50 and carry out the time delay work after the foam falls back to the below of preset position in the pot, even if the control valve 50 keeps opening in the duration of predetermineeing, this can strengthen the bubble removal effect to interior pot 13, avoid the quick problem of anti-fluttering of foam in interior pot 13 under the big firepower heating condition, and reduce the switching frequency of control valve 50 between break-make to a certain extent, guarantee its reliability of use, compared with the scheme that only can realize the low efficiency by steam valve or bubble breaking net in the prior art, this scheme still can realize the effect that prevents the foam completely even if to interior pot 13 lasts big firepower heating in the present cooking equipment, thereby further promote the culinary art taste of product.
In one embodiment of the present invention, as shown in fig. 1, the cooking apparatus further comprises a spraying device 80, which may be embodied as a nozzle, a spray head or a spray pipe, specifically, the spraying device 80 is provided at the first nozzle, and the spraying device 80 is used to spray the water outputted from the first nozzle into the inner pot 13 in a spray shape.
In this scheme, the first nozzle of the water pipe 20 is provided with the spraying device 80 (for example, a nozzle or a spray head is provided) so that the water output from the first nozzle is sprayed into the inner pot 13, thus the spraying area and the spraying pressure of the water flow at the first nozzle can be improved, the foam breaking effect in the inner pot 13 can be further improved, the problem of pollution to the cooking environment due to overflow of foam can be avoided, and the problem of rapid back-blowing of foam under the condition of large-fire heating can be avoided.
In one embodiment of the present invention, the spray device 80 preferably has a spray range along the axial direction of the inner pan 13 that is no less than two-thirds of the axial dimension of the inner pan 13.
In this scheme, set up spray set 80 in along interior pot 13 axial water spray range not less than interior pot 13 axial dimension two thirds to ensure that spray set 80 has certain injection depth in the foam, avoid the problem that the foam risees fast, and through limiting this spray set 80 in along interior pot 13 axial water spray range be greater than or equal to interior pot 13 axial dimension two thirds, with the foam control in the lower third of pot 13 height in, can reach the effect that prevents the foam completely and spill over, satisfy the anti-overflow requirement when big firepower culinary art.
Of course, the present solution is not limited thereto, and those skilled in the art can make appropriate fine adjustments to the spray range of the spraying device 80 along the axis of the inner pot 13 according to specific bubble breaking requirements.
In one embodiment of the present invention, the spray device 80 preferably has a spray range along the radial direction of the inner pan 13 that is no less than two-thirds of the radial dimension of the inner pan 13.
In this scheme, set up spray set 80 along the radial direction of interior pot 13 water spray range not less than two thirds of interior pot 13 radial dimension to guarantee to interior pot 13's injection area, guarantee to break the bubble even, wherein, can further preferably spray set 80 along interior pot 13 radial direction water spray range equal interior pot 13 internal diameter, so that spray set 80 spun water spray to interior pot 13's internal surface, thereby play the effect of washing interior pot 13 surface in the bubble breaking while, reduce food nutrition loss, and restrain the foam and follow the inner surface wall attachment climbing of interior pot 13.
In one embodiment of the present invention, as shown in fig. 1, the cooking apparatus further includes a control unit and a pressure detector 90, it should be noted that the control unit may be the same as the controller 70 for controlling the on/off of the control valve 50 in the foregoing embodiment, and of course, the control unit may be two independent components to perform corresponding control operations respectively, where the control unit is connected to the air delivery device 40; the pressure detector 90 is configured to trigger the control unit to control the gas delivery device 40 to operate when detecting that the value of the air pressure in the water tank 30 is less than or equal to a preset lower limit value, and trigger the controller 70 to control the gas delivery device 40 to close when detecting that the value of the air pressure in the water tank 30 is greater than or equal to a preset upper limit value.
In this scheme, set up the atmospheric pressure value in the pressure detector 90 detects water tank 30 to when detecting the atmospheric pressure value in the water tank 30 and being less than or equal to predetermine the lower limit value, trigger control unit control air supply unit operation, when detecting the atmospheric pressure value in the water tank 30 and being greater than or equal to predetermine the upper limit value, trigger control unit control air supply unit and close, in order to realize controlling the atmospheric pressure value in the water tank 30 between predetermineeing upper limit value and predetermineeing the lower limit value, avoid the problem that foam or the air current in interior pot 13 backward flow to water tank 30 along water pipe 20, and guarantee that the water pressure of water pipe 20 first mouth of pipe department is stable, especially to the first mouth of pipe department of water pipe 20 be equipped with spray device 80 such as nozzle, can provide spray device 80 and carry out the pressure drop of water spray, further guarantee the broken bubble effect of water spray.
More specifically, the control unit may be the same as the aforementioned controller 70 for controlling the on/off of the control valve 50, and of course, the control unit may also be two relatively independent components, for example, a control unit is provided as a general switching element, and the switching element correspondingly switches between on/off states according to the pressure signal sent by the pressure detector 90, so as to correspondingly control the on/off of the control valve 50.
In the above embodiment, the preset lower limit value is preferably 0.1MPa, and/or the preset upper limit value is preferably 0.3MPa.
In the scheme, the preset lower limit value is set to be 0.1MPa, even if the control unit controls the air pressure value in the water tank 30 to be 0.1MPa or more, the stable water flow under the air pressure driving can be ensured, the water flow sprayed by the spraying device 80 is ensured to have a certain impact force, and the foam breaking effect in the pot is improved; the preset upper limit value is set to be 0.3MPa, even if the control unit controls the air pressure value in the water tank 30 to be 0.3MPa or below, the flow rate of water flow can be limited in a certain range, the problem of excessive water inflow in the inner pot 13 is prevented, meanwhile, stable water flow under air pressure driving can be ensured, and the foam breaking effect in the pot is improved.
In a preferred embodiment of the present invention, the gas delivery device 40 is configured to: the gas having a gas pressure of 0.2MPa to 0.4MPa is supplied to the water tank 30.
In the scheme, the gas transmission device 40 is arranged to transmit gas with the gas pressure of 0.2-0.4 MPa to the water tank 30, so that the pressure rising rate in the water tank 30 can be controlled within a certain range, the safety of the gas transmission process is ensured, and of course, the gas pressure used for driving in the water tank 30 can be effectively controlled within 0.2-0.4 MPa under the condition that the water tank 30 supplies water to the inner pot 13 and the gas transmission device 40 supplies gas to the water tank 30 are synchronous, the stable water flow under the gas pressure driving is ensured, the water flow sprayed by the spraying device 80 has a certain impact force, and the bubble breaking effect in the pot is improved.
In a preferred embodiment of the present invention, the air delivery device 40 comprises an air pump (e.g., a miniature high pressure air pump) or a blower.
In any of the above embodiments, the cooking apparatus further includes a pressure limiting device, specifically, the pressure limiting device is configured to detect a pressure value of air in the water tank 30, and when detecting that the pressure value is higher than a preset value, control the water tank 30 to release air to the outside to reduce pressure.
More specifically, the pressure limiting device may be a mechanical safety valve, such as a spring-type safety valve, and when the pressure value in the water tank 30 is higher than or equal to the threshold value of the safety valve (i.e., a preset air pressure), the safety valve is automatically opened to allow the water tank 30 to leak out for depressurization, and when the pressure value in the water tank 30 is lower than the threshold value of the safety valve, the spring-type force controls the safety valve to be automatically closed to stop the water tank 30 from leaking out; of course, the pressure limiting device may specifically include a pressure sensor, an electromagnetic valve, and a controller 70 electrically connected to the pressure sensor and the electromagnetic valve, it should be noted that the controller 70 may be the same component as the controller 70 for controlling the on/off of the control valve 50, or two components independent of each other to perform respective control operations, and in addition, the pressure sensor may be the same component as the pressure detector 90 for detecting the air pressure value in the water tank 30, or two components independent of each other to perform respective pressure detection operations; wherein, when the pressure sensor detects that the air pressure in the water tank 30 reaches or exceeds the preset air pressure, a pressure signal is sent to trigger the controller 70 to control the electromagnetic valve to open, so that the water tank 30 leaks out to reduce the pressure, and when the pressure sensor does not detect that the air pressure in the water tank 30 reaches or exceeds the preset air pressure, the pressure sensor does not send out a pressure signal, at this time, the controller 70 controls the electromagnetic valve to keep closing to prevent the water tank 30 from leaking out.
In this scheme, set up pressure limiting device when detecting that the atmospheric pressure in the water tank 30 is higher than the atmospheric pressure of predetermineeing, control water tank 30 is to the air leakage in order to step down, can prevent the problem that water tank 30 exploded the case like this, promotes the security of product.
Optionally, the cooking device is an electric rice cooker, an electric pressure cooker, an electric steam cooker or an electric stewpot.
In one embodiment of the present invention, as shown in fig. 1, the cooking apparatus includes an apparatus body 10, a water pipe 20, a water tank 30, a gas transmission device 40 and a controller 70, the apparatus body 10 includes a pot body assembly 11 and a pot cover assembly 12 adapted to cover the pot body assembly 11, an inner pot 13 and a heating device 14 are provided in the pot body assembly 11, an air outlet channel 15 for discharging air in the inner pot 13 outwards is provided on the pot cover assembly 12, the heating device 14 is used for heating the inner pot 13, the heating device 14 may be embodied as a heating plate, an electromagnetic coil or an infrared heating device 14, in addition, a foam detector 60 is provided on the pot cover assembly 12 to detect a liquid level in the inner pot 13, and the controller 70 is electrically connected with the foam detector 60; the first pipe orifice of the water pipe 20 extends to the upper part of the pot mouth of the inner pot 13, a nozzle is arranged at the first pipe orifice to be used as a spraying device 80 spraying water into the inner pot 13, a plurality of spray holes are arranged on the nozzle to promote atomization effect, the sprayed water longitudinal section is fan-shaped, the sprayed water height is not lower than 2/3 of the height of the inner pot 13, the second pipe orifice of the water pipe 20 extends to the position below the liquid level in the water tank 30, a control valve 50 (preferably an electromagnetic valve and electrically connected to the controller 70) for controlling the on-off of the water pipe 20 is arranged on the water pipe 20, the water tank 30 is arranged in the pot body assembly 11 or in the pot cover assembly 12, a pressure detector 90 is arranged in the water tank 30 to detect the air pressure in the water tank 30 and feed back the detected air pressure signal to the controller 70, in addition, a pot cover assembly 11 can be arranged on the pot cover assembly 40 is electrically connected with the controller 70, and is controlled to be opened and closed by the controller 70, wherein the air delivery device 40 is used for delivering air into the water tank 30, preferably a micro air pump, the air delivery air is preferably a micro air pump is connected with the water tank 30 at the air pressure of 0.02MPa, and the air pressure is further blown out from the water tank 30 is preferably at the air pressure 0 MPa.
In addition, a safety valve is further provided on the water tank 30, and the safety valve is controlled by the controller 70, and when the pressure in the water tank 30 exceeds the preset pressure value of the safety valve, the safety valve will discharge gas, so that the pressure in the water tank 30 is below the preset pressure value of the safety valve.
The working modes of the cooking device in the specific embodiment are as follows:
1. before cooking, water at normal temperature is filled into the water tank 30;
2. when the cooking starts, the micro high-pressure air pump starts to charge air into the closed water tank 30, at the moment, the control valve 50 is closed, and when the pressure detector 90 detects that the pressure of the air pressure of the water tank 30 is greater than 0.3MPa (or a designated pressure value), the micro high-pressure air pump stops charging air;
3. after the foam lifted by the rice contacts the foam detector 60 in the boiling stage, the foam detector 60 transmits a signal to the controller 70, and the controller 70 controls the control valve 50 to be opened so as to spray water into the inner pot 13;
4. when the nozzle sprays, if the pressure detector 90 detects that the pressure of the air pressure of the water tank 30 is smaller than 0.1MPa (or a designated pressure value), the miniature high-pressure air pump continuously charges air to the closed water tank 30;
5. when the foam is erased, the foam detector 60 does not detect the foam and no signal is sent to the controller 70, at which time the control valve 50 is closed with a delay of 2 to 6 seconds, and the nozzle also stops ejecting water droplets subsequently;
6. the hot gas in the rice cooker is discharged outwards through the gas outlet channel 15.
The working principle of the cooking device in the specific embodiment is as follows: the water drop sprayed by the nozzle has a certain impact force, so that the foam can be promoted to be broken rapidly, the temperature of the water drop sprayed by the nozzle is far lower than the boiling temperature of rice, a certain negative pressure can be generated in the space formed by the inner pot 13 and the pot cover assembly 12, the foam can be promoted to be broken rapidly, and meanwhile, the temperature of the water drop sprayed by the nozzle is far lower than the boiling temperature of rice, and when the water drop contacts the foam, the foam can be promoted to be broken. The advantages are that: the cooking equipment can completely prevent foam from overflowing, and solves the defect that the existing cooking equipment can not continuously heat with big fire.
In summary, according to the cooking device provided by the invention, one end of the water pipe extends to the upper part of the pot opening of the inner pot, the other end of the water pipe extends to the position below the liquid level in the water tank, the gas transmission device can transmit gas into the water tank to enable the gas pressure in the water tank to be correspondingly increased, when foam in the inner pot rises, the water in the water tank can be driven by the gas pressure to flow into the inner pot along the water pipe so as to promote the foam in the pot to be broken and released, the purposes of reducing the quantity of foam and inhibiting the rising of foam are achieved, the overflow prevention function of the cooking device is realized, the problem of pollution to the cooking environment caused by overflow of the foam is avoided, meanwhile, the water loss in the inner pot is reduced, and the cooking taste is ensured.
In the present disclosure, the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A cooking apparatus, comprising:
the equipment body comprises a pot body assembly and a pot cover assembly which is suitable for being covered with the pot body assembly, wherein an inner pot is arranged in the pot body assembly;
the first pipe orifice of the water pipe extends to the upper part of the inner pot opening;
the second pipe orifice of the water pipe extends to a position below the liquid level in the water tank;
the gas transmission device is connected with the water tank and is used for transmitting gas into the water tank during operation;
the control unit is connected to the gas transmission device;
and the pressure detector is used for triggering the control unit to control the gas transmission device to operate when detecting that the gas pressure value in the water tank is smaller than or equal to a preset lower limit value, and triggering the control unit to control the gas transmission device to be closed when detecting that the gas pressure value in the water tank is larger than or equal to a preset upper limit value.
2. The cooking apparatus of claim 1, further comprising:
and the control valve is arranged on the water pipe and used for controlling the on-off of the water pipe, wherein when the control valve is opened, the air pressure in the water tank drives the water in the water tank to flow to the inner pot.
3. The cooking apparatus of claim 2, further comprising:
the foam detector is used for sending an anti-overflow signal when detecting that the foam in the inner pot rises to a preset position;
and the controller is connected to the foam detector and the control valve and is used for controlling the control valve to be opened when the overflow-preventing signal is detected.
4. A cooking apparatus according to claim 3, further comprising:
the timer is connected to the controller, and is further used for continuously detecting the anti-overflow signal after the control valve is opened, and starting the timer when the anti-overflow signal is not detected, wherein the timer is used for detecting the time delay duration of the operation of the foam detector, and triggering the controller to control the control valve to be closed when the time delay duration is detected to reach the preset duration.
5. The cooking apparatus according to any one of claims 1 to 4, further comprising:
the spraying device is arranged at the first pipe orifice and is used for enabling water output from the first pipe orifice to be ejected into the inner pot.
6. The cooking apparatus of claim 5, wherein the cooking apparatus comprises a cooking chamber,
the water spraying range of the spraying device in the axial direction of the inner pot is not less than two thirds of the axial dimension of the inner pot; and/or
The water spray range of the spraying device in the radial direction of the inner pot is not less than two thirds of the radial dimension of the inner pot.
7. Cooking apparatus according to any of claims 1 to 4, characterized in that,
the preset lower limit value is 0.1MPa and/or the preset upper limit value is 0.3MPa.
8. Cooking apparatus according to any of claims 1 to 4, characterized in that,
the gas delivery device is configured to: delivering gas with the gas pressure of 0.2-0.4 MPa into the water tank; and/or the number of the groups of groups,
the air conveying device comprises an air pump or a fan.
9. The cooking apparatus according to any one of claims 1 to 4, further comprising:
the pressure limiting device is used for detecting the air pressure value in the water tank and controlling the water tank to release air to reduce pressure when the air pressure value is detected to be higher than a preset value.
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| CN201710465594.7A CN109124344B (en) | 2017-06-19 | 2017-06-19 | Cooking apparatus |
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| CN201710465594.7A CN109124344B (en) | 2017-06-19 | 2017-06-19 | Cooking apparatus |
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| CN109124344B true CN109124344B (en) | 2024-03-22 |
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| CN112137403B (en) * | 2019-06-28 | 2022-07-12 | 浙江苏泊尔家电制造有限公司 | Method for determining heating power, circuit, cooking utensil and computer storage medium |
| CN112353251A (en) * | 2020-11-30 | 2021-02-12 | 江门市伊科迈特电子科技有限公司 | Pressure kettle |
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