CN109259580B - Control method for discharging residual water in water tank and electric steam box - Google Patents
Control method for discharging residual water in water tank and electric steam box Download PDFInfo
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- CN109259580B CN109259580B CN201811071278.2A CN201811071278A CN109259580B CN 109259580 B CN109259580 B CN 109259580B CN 201811071278 A CN201811071278 A CN 201811071278A CN 109259580 B CN109259580 B CN 109259580B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 265
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000007599 discharging Methods 0.000 title claims abstract description 9
- 238000010411 cooking Methods 0.000 claims abstract description 30
- 235000014676 Phragmites communis Nutrition 0.000 claims description 28
- 238000012279 drainage procedure Methods 0.000 claims description 7
- 238000010025 steaming Methods 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 235000013305 food Nutrition 0.000 abstract description 8
- 230000001580 bacterial effect Effects 0.000 abstract description 3
- 238000009841 combustion method Methods 0.000 abstract description 2
- 238000012790 confirmation Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 230000035943 smell Effects 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- A47J27/00—Cooking-vessels
- A47J27/14—Cooking-vessels for use in hotels, restaurants, or canteens
- A47J27/16—Cooking-vessels for use in hotels, restaurants, or canteens heated by steam
-
- 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 a control method for discharging residual water in a water tank, which comprises the following steps: determining a reference value M0 of the water quantity of the water tank assembly in the cooking program; recording the working time t0 from the confirmation reference value M0 to the cooking finishing water pump, and calculating the residual water quantity M of the water tank assembly at the cooking finishing time and the predicted draining time t1 required for draining the residual water of the water tank; starting a drainage program to enable residual water in the water tank assembly to flow into the cavity assembly through the steam generation assembly; and when the actual drainage time length t is greater than or equal to t1, ending the drainage program and shutting down. Meanwhile, the electric steam box applying the control method is also disclosed. The invention has at least the following advantages: through confirming the water yield benchmark value in the culinary art procedure to calculate the surplus water volume when culinary art finishes and arrange the required theoretical length of time of surplus water completely, increase drainage time again, to ensure that remaining surplus water in the water tank set spare is arranged completely, prevent that steam from taking place the subassembly and dry combustion method, eliminate the root cause that bacterial growing and peculiar smell produced, guarantee the safety of culinary art in-process food.
Description
Technical Field
The invention relates to the technical field of kitchen electricity, in particular to a control method for simultaneously discharging residual water in a water tank and an evaporation device after the cooking of an electric steam box is finished and the electric steam box.
Background
In the existing electric steaming box of kitchen electric products, an evaporation device is a steam output assembly. The evaporation devices in the market are mainly divided into two types, wherein one type is built-in, namely the evaporation devices are arranged in a cavity of an electric steam box; one is external, i.e. the evaporation device is arranged outside the cavity. In addition, the water tank component is mainly used for storing water required by steam production, and the water tank is mainly built in the market.
After the user used the electric steam box to cook food at every turn, the temperature was still very high in the evaporation plant, adopts to reserve certain water yield usually, and the water capacity of water tank subassembly is generally more than the single water yield that steam cooking produced the steam yield required promptly to prevent that evaporation plant from appearing dry combustion method and extension evaporation plant life. If the residual water in the water tank cannot be treated in time, the potential food safety hazards such as bacterial breeding and peculiar smell generation exist.
Disclosure of Invention
The invention aims to provide a control method for discharging residual water in a water tank aiming at the current technical situation, which can effectively prevent a steam generating assembly from being dried and burnt and eliminate the hidden food safety hazards of bacteria breeding or peculiar smell generation and the like of the water tank caused by residual water. Meanwhile, the electric steam box applying the control method is also provided.
According to an object of the present invention, there is provided a method for controlling discharge of tank residual water, comprising the steps of:
s1: starting a cooking program of the electric steamer, determining a reference value M0 of the current water quantity of the water tank assembly, and entering S2;
s2: starting to record the working time t0 of the water pump, and continuing to cook;
s3: judging whether the cooking procedure is finished, if so, calculating the residual water quantity M of the water tank assembly and the predicted drainage time t1 required by draining the residual water, and entering S4, otherwise, returning to the step S2;
s4: starting a drainage program, and recording the actual drainage time t;
s5: and when the actual water drainage time period t is t1, finishing the water drainage program, controlling the water pump and the water drainage valve to be in a closed state, and turning off the water pump and the water drainage valve, otherwise, returning to the step S4.
Further, step S1 includes the steps of:
s101: the cooking is started, the water pump is controlled to work to meet the water quantity required by the cooking, the channel condition of a loop formed by the magnet floater and the reed switch is continuously judged, and the loop is in an off state at the moment;
s102: maintaining cooking, reducing the water quantity in the water tank assembly and driving the magnet floater to move downwards;
s103: when the magnet floater moves downwards to the set height position of the reed pipe, the magnetic induction line is cut to enable the loop to be in an 'on' state, and a reference value M0 of the current water quantity of the water tank assembly is determined;
s104; cooking continues, the magnet float continues to move downward as the water level decreases, leaving the circuit in an "off" state.
Further, the reference value M0 of the current water quantity of the water tank assembly is determined by the set height of the reed switch.
Further, step S3 includes the steps of:
s301: the cooking program is ended;
s302: calculating the residual water quantity M of the water tank assembly according to the water pumping quantity M of the water pump per second by using a formula M-M0-M t 0;
s303: and calculating the predicted drainage time t1 required by the drainage program according to the formula t1 which is M/M.
Further, in step S4, when the water discharge procedure is started, the water pump is controlled to continue to operate and the water discharge valve is controlled to be in a communication state, so that the residual water in the water tank assembly flows into the cavity assembly through the steam generation assembly.
Further, step S5 includes the steps of:
s501: when the drainage time reaches the expected drainage time t1, maintaining the drainage program;
s502: and controlling the water pump to continue to operate for a time length delta t, finishing the drainage procedure when the actual drainage time length is t, namely t1 plus delta t, closing the water pump and the control valve, and shutting down the water pump.
According to another object of the present invention, there is provided an electric steaming box to which the control method as described above is applied, comprising: a chamber assembly for storing residual water discharged from the water tank assembly; the water tank assembly is arranged on the cavity assembly and used for storing water quantity which is larger than that required in a cooking process, and a water level monitoring device used for determining a water quantity reference value M0 of the water tank assembly is arranged on the water tank assembly; the steam generation assembly, the water tank assembly with the steam generation assembly intercommunication is used for down the steam generation assembly exports the water yield, steam generation assembly and cavity assembly intercommunication are used for with the water tank assembly exhaust surplus water discharges extremely cavity assembly.
Further, the water level monitoring device comprises a magnet floater and a reed pipe which are respectively arranged on the inner side and the outer side of the same side wall of the water tank assembly, the magnet floater and the reed pipe mutually form a loop, and when the magnet floater moves to the height relative to the reed pipe, the loop of the magnet floater and the reed pipe is in a 'communication' state by cutting the motion of a magnetic induction line.
Further, the reed switch is arranged at a height position which is 1/2-1/4 away from the bottom of the water tank assembly.
Further, still include controlling means, controlling means respectively with the water tank set spare, steam generation subassembly electrical connection.
Furthermore, a water inlet pipe and a water pump which are communicated with each other are arranged between the steam generating assembly and the water tank assembly, and the water tank assembly outputs water to the steam generating assembly through the water inlet pipe and the water pump; the steam generation assembly is characterized in that a drain pipe is arranged between the steam generation assembly and the cavity assembly, the drain pipe is provided with a control valve, and the steam generation assembly discharges residual water discharged from the water tank assembly to the cavity assembly through the drain pipe and the control valve.
Compared with the prior art, the invention at least has the following beneficial effects:
1. the invention determines the water quantity reference value in the cooking program, calculates the residual water quantity and the theoretical time required for draining the residual water when the cooking is finished, and increases the water drainage time, thereby eliminating the factor that the residual water is not drained due to calculation errors, ensuring that the residual water in the water tank assembly is completely drained, eliminating the food safety hidden dangers of bacteria breeding or peculiar smell generation and the like of the water tank due to the residual water, and ensuring the safety of food in the cooking process.
2. The temperature of the steam generation assembly and the temperature of the cavity assembly are reduced by fully utilizing the residual water in the water tank assembly, and the calcium carbonate concentration of the solution in the cavity is diluted.
Drawings
FIG. 1 is a general flowchart of a control method of discharging remaining water from a water tank in embodiment 1;
fig. 2 is a flowchart for confirming the reference value M0 of the current water volume of the water tank assembly in embodiment 1;
FIG. 3 is a flowchart for calculating the remaining water amount M and the estimated drain time of the tank assembly at the end of cooking in embodiment 1;
FIG. 4 is a flowchart for controlling an actual water discharge time in embodiment 1;
FIG. 5 is a schematic structural view of an electric steaming box in embodiment 2;
FIG. 6 is a cross-sectional view of a front view of the water tank assembly of FIG. 5;
fig. 7 is a rear view of the water tank assembly of fig. 6.
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.
Example 1
As shown in fig. 1, the method for controlling the discharge of the remaining water in the water tank of the electric steaming box of the embodiment comprises the following steps:
s1: starting a cooking program of the electric steamer, determining a reference value M0 of the current water quantity of the water tank assembly, and entering S2; specifically, the reference value M0 of the current water volume of the water tank assembly is determined by continuously judging the on-off condition of a loop formed by the magnet floater and the reed switch, when the loop is 'on', the reference value M0 of the current water volume is determined, and the reference value M0 is determined by the setting height of the reed switch;
s2: starting to record the working time t0 of the water pump, and continuing to cook; specifically, t0 is the working time of the water pump when the reference value M0 of the water quantity in the water tank assembly is determined to the end of cooking;
s3: judging whether the cooking procedure is finished, if so, calculating the residual water quantity M of the water tank assembly and the predicted drainage time t1 required by draining the residual water, and entering S4, otherwise, returning to the step S2;
s4: starting a drainage program and recording drainage time t; specifically, the drainage duration t is the working time of the water pump from the beginning to the end of the drainage procedure, when the drainage procedure is started, the water pump is controlled to continue to operate and the drainage valve is in a communicated state, so that the residual water in the water tank assembly flows into the cavity assembly through the steam generation assembly, and therefore the residual water in the water tank assembly is fully utilized to cool the temperature of the steam generation assembly and the temperature of the cavity, dry burning is prevented, the cooling efficiency of the steam generation assembly is improved, and the service life of the steam generation assembly is prolonged; s5: when the actual drainage time period t is t1, the drainage procedure is ended, otherwise, the procedure returns to step S4. Specifically, in the draining process, the water pump is operated at least for a time period t1, so that the draining process is stopped, and the water pump and the drain valve are closed. Therefore, residual water in the water tank is completely discharged, the root cause of bacterial breeding and peculiar smell generation is eliminated, and the safety of food in the cooking process is ensured.
As shown in fig. 2, further, step S1 includes the steps of:
s101: the cooking is started, the water pump is controlled to work to meet the water quantity required by the cooking, the channel condition of a loop formed by the magnet floater and the reed switch is continuously judged, and the loop is in an off state at the moment; specifically, before cooking is started, the amount of water injected into the water tank assembly is larger than a reference value M0, so that the position of the magnet floater in the water tank assembly is higher than that of the reed pipe, the water consumption of a cooking procedure is ensured to be met, and the steam generation assembly is prevented from being dried; because the position of the magnet floater is higher than the relative position of the reed pipe, when the cooking program is started, the loop is always in an off state, the water pump is supposed to pump water at the speed of pumping water quantity m per second, and the m is supposed to be 2 mL/s;
s102: maintaining cooking, reducing the water quantity in the water tank assembly and driving the magnet floater to move downwards;
s103: when the magnet floater moves downwards to the set height position of the reed pipe, a loop formed by the magnet floater and the reed pipe is in an 'on' state by cutting a magnetic induction line, and a reference value M0 of the current water quantity of the water tank assembly is determined; specifically, when the loop is in an on state, a signal is fed back to the controller, and the calculation of the time t0 required from the determination reference value M0 to the cooking end is started, and the reference value M0 of the current water volume of the water tank assembly is assumed to be 200 ml;
s104; cooking continues, the magnet float continues to move downward as the water level decreases, leaving the circuit in an "off" state.
As shown in fig. 3, further, step S3 includes the steps of:
s301: the cooking program is ended;
s302: calculating the residual water quantity M of the water tank assembly according to the water pumping quantity M of the water pump per second by using a formula M-M0-M t 0;
s303: and calculating the predicted drainage time t1 required by the drainage program according to the formula t1 which is M/M. From this, the theoretical period of time for completely discharging the remaining water amount M, that is, the expected drain period of time t1 required for the drain process can be calculated. Specifically, when the cooking program is finished, from the determination reference value M0 to the cooking end, the operation time of the water pump is t0, and the expected drainage time t1 is the theoretical drainage time required for draining the residual water in the water tank assembly. Assuming that t0 is 60s, the residual water amount M in the water tank assembly is 200-2 × 60 to 80mL, and the required drainage time t1 is predicted to be M/M to 40 s. Therefore, in the draining process, in order to ensure that the residual water in the water tank assembly is completely removed, the actual operation time t of the water pump is controlled to be not less than 40 s.
As shown in fig. 4, step S5 further includes the steps of:
s501: when the drainage time reaches the expected drainage time t1, maintaining the drainage program;
s502: and controlling the water pump to continue to operate for a time length delta t, and when the actual water drainage time length t is t1 plus delta t, ending the water drainage program, closing the water pump and the control valve, and shutting down the water pump. Specifically, in the discharge process, the water pump is operated at least for a time period t1, i.e., t1 ═ M/M ÷ 80 ÷ 2 ÷ 40s, so that the discharge process can be stopped and the water pump and the discharge valve are closed.
Preferably, in the drainage procedure, when the drainage time period t is t1, the drainage is continued, and the water pump is controlled to continue to operate for the time period Δ t, so that the actual drainage time period is t > t 1. Assuming that the increased drainage time Δ t is 2s, the actual drainage time is 42 s. Therefore, the error value of the water quantity reference value M0 and/or the residual water quantity M in the water tank assembly is eliminated, so that residual water in the water tank assembly is completely discharged into the cavity assembly, and the food safety hazards that bacteria are bred or peculiar smells are generated due to residual water in the water tank are eliminated.
Example 2
As shown in fig. 5, an electric steaming box applying the control method of embodiment 1 includes a cavity assembly 1, a water tank assembly 2, a steam generating assembly 3, and a control device (not shown in the figure) electrically connected to the water tank assembly 2 and the steam generating assembly 3, respectively. Wherein, water tank set spare 2 and steam generation subassembly 3 pass through inlet tube 4 and water pump 5 intercommunication, and steam generation subassembly 3 and cavity subassembly 1 pass through drain pipe 6 intercommunication. Preferably, the unit pumping speed of the water pump 5 is adjustable, and the water discharge pipe 6 is provided with a control valve 7. Therefore, in the drainage procedure, the residual water in the water tank component 2 firstly passes through the steam generation component 3 and then is discharged into the cavity component 1, the temperature of the steam generation component 3 and the temperature of the cavity component 1 can be reduced by fully utilizing the residual water in the water tank component 2, so that the dry burning is prevented, the calcium carbonate concentration of the solution in the cavity is diluted, and the formation of water scale in the cavity is reduced.
As shown in fig. 6 to 7, a magnet float 21 and a reed pipe 22, which form a circuit with each other, are provided in the water tank assembly 2. The magnetic floater 21 and the reed switch 22 are respectively arranged on the inner side and the outer side of the same side wall of the water tank component. Preferably, the reed switch 22 is disposed at a height position 1/2-1/4 from the bottom of the tank assembly 2, by which a water reference value M0 in the tank assembly can be accurately determined. When the magnet floater 21 moves downwards to a height opposite to the reed pipe 22 along with the reduction of the water amount, the loop of the magnet floater 21 and the reed pipe 22 is in an 'on' state through the movement of cutting the magnetic induction line. Therefore, the water volume reference value in the water tank assembly can be accurately determined according to the on-off condition of the loop.
Further, the side wall of the steam generating assembly 3 is provided with a water inlet 31 communicated with the water inlet pipe 4, and the bottom wall is provided with a water outlet 32 communicated with the water outlet pipe 6. Preferably, the diameter of the drain opening 32 is larger than that of the water inlet 31, the diameter of the water inlet 31 is not less than 8mm, and the diameter of the drain opening 32 is not less than 9 mm. So as to ensure that the residual water is discharged into the cavity assembly quickly and prevent the steam generating assembly from forming scale and blocking the water inlet and the water outlet after being used for a long time.
The foregoing are only some embodiments of the 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 (9)
1. A control method for discharging residual water in a water tank is characterized by comprising the following steps:
s1: starting a cooking program of the electric steamer, determining a reference value M0 of the current water quantity of the water tank assembly, and entering S2;
s2: starting to record the working time t0 of the water pump, and continuing to cook;
s3: judging whether the cooking procedure is finished, if so, calculating the residual water quantity M of the water tank assembly and the predicted drainage time t1 required by draining the residual water, and entering S4, otherwise, returning to the step S2; calculating the residual water quantity M of the water tank assembly according to the water pumping quantity M of the water pump per second by using a formula M0-M t0, and calculating the predicted water drainage time t1 required by a water drainage program according to a formula t 1-M/M;
s4: starting a drainage program, controlling the water pump to continue to operate and the drainage valve to be in a communicated state, so that residual water in the water tank assembly flows into the cavity assembly through the steam generation assembly, and recording the actual drainage time t;
s5: when the actual drainage time period t is t1, the drainage procedure is ended, otherwise, the procedure returns to step S4.
2. The method for controlling discharge of the residual water of the water tank as claimed in claim 1, wherein the step S1 comprises the steps of:
s101: the cooking is started, the water pump is controlled to work to meet the water quantity required by the cooking, the channel condition of a loop formed by the magnet floater and the reed switch is continuously judged, and the loop is in an off state at the moment;
s102: maintaining cooking, reducing the water quantity in the water tank assembly and driving the magnet floater to move downwards;
s103: when the magnet floater moves downwards to the set height position of the reed pipe, the loop is in an 'on' state by cutting a magnetic induction line, and a reference value M0 of the current water quantity of the water tank assembly is determined;
s104; cooking continues, the magnet float continues to move downward as the water level decreases, leaving the circuit in an "off" state.
3. The method as claimed in claim 2, wherein the reference value M0 of the current water volume of the water tank assembly is determined by the set height of the reed switch.
4. The method for controlling discharge of the residual water of the water tank as claimed in claim 1, wherein the step S5 includes the steps of:
s501: when the drainage time reaches the expected drainage time t1, maintaining the drainage program;
s502: and controlling the water pump to continue to operate for a time length delta t, and when the actual water drainage time length t is t1 plus delta t, ending the water drainage program, closing the water pump and the control valve, and shutting down the water pump.
5. An electric steamer applying the control method of any one of claims 1 to 4, characterized by comprising:
a chamber assembly (1) for storing residual water discharged from the water tank assembly;
the water tank assembly (2) is arranged on the cavity assembly (1) and used for storing water quantity larger than that required in a cooking process, and a water level monitoring device used for determining a water quantity reference value M0 of the water tank assembly is arranged on the water tank assembly (2);
the steam generating assembly (3), the water tank assembly (2) is communicated with the steam generating assembly (3) and used for outputting water to the steam generating assembly (3), and the steam generating assembly (3) is communicated with the cavity assembly (1) and used for discharging residual water discharged by the water tank assembly (2) to the cavity assembly (1); be equipped with inlet tube (4) and water pump (5) that communicate each other between steam generation subassembly (3) and water tank set spare (2), water tank set spare (2) are passed through inlet tube (4) with water pump (5) are exported the water yield extremely steam generation subassembly (3).
6. The electric steaming box according to claim 5, wherein the water level monitoring device comprises a magnet floater (21) and a reed pipe (22) which are respectively arranged at the inner side and the outer side of the same side wall of the water box assembly (2), the magnet floater (21) and the reed pipe (22) mutually form a loop, and when the magnet floater (21) moves to the height opposite to the reed pipe (22), the loop of the magnet floater (21) and the reed pipe (22) is in an 'on' state by cutting the motion of a magnetic induction line.
7. The electric steamer as claimed in claim 6, characterized in that the reed switch (22) is arranged at a height of 1/2-1/4 from the bottom of the water tank assembly (2).
8. The electric steamer according to claim 5, further comprising a control device electrically connected to the water tank assembly (2) and the steam generating assembly (3), respectively.
9. An electric steaming box according to claim 5, wherein a drain pipe (6) is provided between the steam generating assembly (3) and the cavity assembly (1), the drain pipe (6) is provided with a control valve (7), and the steam generating assembly (3) discharges residual water discharged from the water tank assembly (2) to the cavity assembly (1) through the drain pipe (6) and the control valve (7).
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