CN111972977A - Waste water volume detecting system and cooking device with steaming function - Google Patents
Waste water volume detecting system and cooking device with steaming function Download PDFInfo
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- CN111972977A CN111972977A CN202010901908.5A CN202010901908A CN111972977A CN 111972977 A CN111972977 A CN 111972977A CN 202010901908 A CN202010901908 A CN 202010901908A CN 111972977 A CN111972977 A CN 111972977A
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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
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/80—Arrangements for signal processing
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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
- 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)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Cookers (AREA)
Abstract
The invention relates to the field of cooking equipment with a steaming function, in particular to a waste water amount detection system and a cooking device with the steaming function. The waste water amount detection system comprises a flow meter, a data processing module and an alarm, wherein the flow meter is arranged on a pipeline between the water purification tank and the steam generator, the data processing module obtains the power w, the thermal efficiency eta and the working time t of the steam generator, and the water consumption L1 is obtained through calculation according to the energy difference delta e between saturated steam energy and room temperature water energy; the data processing module obtains the water supply amount L measured by the flow meter, and calculates to obtain the wastewater amount L2 in the wastewater tank; when the amount of wastewater L2 obtained by the data processing module reaches the threshold amount of wastewater L0The data processing module controls the stationThe alarm gives an alarm. The cooking device with the steaming function comprises the waste water amount detection system. The waste water amount detection system and the cooking device with the steaming function provided by the invention are not easy to lose effectiveness in the process of detecting the waste water amount.
Description
Technical Field
The invention relates to the field of cooking equipment with a steaming function, in particular to a waste water amount detection system and a cooking device with the steaming function.
Background
Many cooking devices with steaming capability are equipped with a clean water tank for storing clean water, a water pump for pumping clean water from the clean water tank into the steam generator, a steam generator for generating steam, and a waste water tank for holding residual waste water from the steam generator and from the pipes.
The waste water stored in the waste water tank usually consists of various substances such as water, grease, water scale, food residues and the like, the conventional cooking device with the steaming function mainly adopts the following two waste water quantity detection systems to detect the waste water quantity in the waste water tank, the first type adopts a floater to be matched with a Hall induction switch to detect the waste water quantity in the waste water tank, and when the system is used for detecting the waste water quantity, the grease and the food residues are easily attached to the surface of the floater to cause that the floater cannot float; and secondly, the water level electrode technology is adopted to detect the amount of wastewater in the wastewater tank, and when the system is adopted to detect the amount of wastewater, grease and scale are easy to adhere to the surface of an electrode to cause the failure of the electrode.
Therefore, the problem of failure easily occurs in the waste water amount detection system in the existing cooking device with the steaming function, and once the waste water amount in the waste water tank fails, the waste water amount detection system cannot timely remind a user of cleaning the waste water tank when the waste water amount in the waste water tank reaches an alarm value, so that the problem of waste water overflow is easily caused.
In summary, how to overcome the above-mentioned defects of the waste water amount detection system in the existing cooking device with steaming function is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a waste water amount detection system and a cooking device with a steaming function, so as to solve the technical problem of volatile effect of the waste water amount detection system in the prior art.
The invention provides a waste water amount detection system which comprises a flow meter, a data processing module and an alarm, wherein the flow meter is arranged on a pipeline between a water purification tank and a steam generator, and the flow meter and the steam generator are electrically connected with the data processing module.
The data processing module obtains the power w of the steam generator, the thermal efficiency eta of the steam generator and the working time t of the steam generator, and calculates water consumption L1 according to the energy difference delta e between saturated steam energy and room temperature water energy and a formula L1 which is t multiplied by w multiplied by eta/delta e; the data processing module obtains the water supply amount L measured by the flow meter, and calculates the wastewater amount L2 in the wastewater tank according to the calculated water consumption L1 and a formula L2-L1; when the waste water tank is removed and reinstalled in the working position, the data processing module clears the obtained waste water amount L2.
The data processing module is electrically connected with the alarm, and when the wastewater quantity L2 obtained by the data processing module reaches a wastewater quantity threshold value L0And the data processing module controls the alarm to give an alarm.
Preferably, as an implementation mode, the wastewater amount detection system further comprises a first timing module, the first timing module is electrically connected with the data processing module, the first timing module is used for starting timing when wastewater enters the wastewater tank for the first time, and the data processing module is used for acquiring the metering duration T1 of the first timing module; when the waste water tank is removed and reinstalled in a working position, the data processing module controls the first timing module to clear the metering duration T1.
When the measured time length T1 obtained by the data processing module reaches a first time length threshold T10And the data processing module controls the alarm to give an alarm.
Preferably, as an implementation mode, the wastewater amount detection system further includes the second timing module, the second timing module is electrically connected to the data processing module, the second timing module is configured to start timing when the alarm alarms, and the data processing module is configured to obtain a metering duration T2 of the second timing module; when the waste water tank is removed and reinstalled in a working position, the data processing module controls the second timing module to clear the metering duration T2.
When the measured duration T2 obtained by the data processing module reaches a second duration threshold T20And when the alarm stops alarming, the data processing module controls the alarm to stop alarming.
Preferably, as an implementation manner, when the cooking device is started, if the measured time length T2 of the second timing module is equal to or greater than the second time length threshold T20And if so, the data processing module controls the alarm to give an alarm intermittently and forbids the cooking device to perform steam cooking.
Preferably, as an embodiment, the wastewater amount detection system further comprises a sensing switch, the sensing switch is electrically connected with the data processing module, and the sensing switch is triggered when the wastewater tank is reinstalled to a working position after being taken out; the data processing module can judge that the waste water tank is installed at a working position again after being taken out according to the trigger signal of the inductive switch.
Preferably, as an implementation mode, the wastewater amount detection system further comprises a water level detection module, wherein the water level detection module is communicated with an evaporation tray of the steam generator and is used for detecting the water level in the steam generator;
the water level detection module and a water pump for pumping water in the purified water tank into the steam generator are electrically connected with the data processing module; when the water level detected by the water level detection module exceeds a high water level threshold, the data processing module controls the water pump to stop working; and when the water level detected by the water level detection module is lower than a low water level threshold, the data processing module controls the water pump to start.
Preferably, as an embodiment, the water level detection module is installed between the flow meter and the steam generator.
Preferably, as an implementable mode, the capacity of the wastewater tank is greater than the wastewater amount threshold L0。
Preferably, as an embodiment, the alarm is an audible alarm and/or a light alarm.
Correspondingly, the invention also provides a cooking device with a steaming function, which comprises the waste water amount detection system.
The waste water amount detection system and the cooking device with the steaming function have the advantages that:
the invention provides a waste water amount detection system which mainly comprises a flow meter, a data processing module and an alarm, wherein the flow meter, the data processing module and the alarm are arranged on a pipeline between a purified water tank and a steam generator; in addition, the data processing module is also electrically connected with the steam generator, and the power w, the thermal efficiency eta and the working time t of the steam generator can be obtained by the data processing module.
The energy difference delta e between saturated steam energy and room temperature water energy is prestored in the data processing module, and in the process of detecting the amount of wastewater, the data processing module calculates the water consumption L1 in real time according to a formula L1 which is t multiplied by w multiplied by eta/delta e; the data processing module can also calculate the waste water amount L2 in the waste water tank in real time according to the formula L2-L1. If the waste water tank is removed from the cleaning process and then is reinstalled in the working position in the process of detecting the amount of the waste water, the data processing module clears the amount of the waste water L2 which is calculated previously, and starts to calculate the amount of the waste water in the waste water tank in real time again, namely, the amount of the water L measured by the flow meter and the working time t of the steam generator are measured again from zero.
The data processing module is internally pre-stored with a wastewater quantity threshold value L0When the amount of wastewater L2 calculated by the data processing module reaches the threshold value L of the amount of wastewater0And when the waste water tank is cleaned, the data processing module controls the alarm to give an alarm to remind a user to clean the waste water tank.
Therefore, the wastewater quantity detection system provided by the invention is not influenced by impurities (such as grease, water scale, food residues and the like) in water, namely, the wastewater quantity detection system is not easy to lose effectiveness in the process of detecting the wastewater quantity, and can remind a user of cleaning the wastewater tank in time, so that the problem of wastewater overflow is solved.
The cooking device with the steaming function is provided with the waste water amount detection system, so that a user can be reminded of cleaning the waste water tank in time, and the problem of waste water overflow is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of an internal structure of a cooking apparatus with steaming function according to an embodiment of the present invention;
fig. 2 is a front view of a cooking apparatus with steaming function according to an embodiment of the present invention.
Icon:
100-a purified water tank;
200-a wastewater tank;
300-a flow meter;
400-a steam generator;
500-inductive switches;
600-a water level detection module;
700-water pump.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Referring to fig. 1 and 2, the present embodiment provides a wastewater amount detection system, which mainly comprises a flow meter 300 installed on a pipe between a purified water tank 100 and a steam generator 400, a data processing module, and an alarm, wherein the flow meter 300 and the alarm are both electrically connected to the data processing module, the flow meter 300 can measure the flow rate flowing through the pipe between the purified water tank 100 and the steam generator 400, and the data processing module is used to obtain the amount of water L measured by the flow meter 300; in addition, the data processing module is electrically connected to the steam generator 400, and the power w, the thermal efficiency η and the operating time t of the steam generator 400 can be obtained by the data processing module.
The energy difference delta e between saturated steam energy and room temperature water energy is prestored in the data processing module, and in the process of detecting the amount of wastewater, the data processing module calculates the water consumption L1 in real time according to a formula L1 which is t multiplied by w multiplied by eta/delta e; the data processing module can also calculate the waste water amount L2 in the waste water tank 200 in real time according to the formula L2-L1. If the waste water tank 200 is removed from the washing process and then re-installed to the working position during the detection of the amount of waste water, the data processing module clears the amount of waste water L2 calculated previously and starts to calculate the amount of waste water in the waste water tank 200 in real time again, that is, the amount of water L measured by the flow meter 300 and the working time t of the steam generator 400 are re-measured from zero.
The data processing module is internally pre-stored with a wastewater quantity threshold value L0When the amount of wastewater L2 calculated by the data processing module reaches the threshold value L of the amount of wastewater0And when the waste water tank 200 is cleaned, the data processing module controls the alarm to give an alarm to remind a user to clean the waste water tank 200.
Therefore, the wastewater quantity detection system provided by the embodiment can not be influenced by impurities (such as grease, water scale, food residues and the like) in water, namely, the wastewater quantity detection system is not easy to lose effectiveness, a user can be timely reminded of cleaning the wastewater tank 200, and the problem of wastewater overflow is alleviated.
In the actual detection process, if the power w of the steam generator 400 is changed, the water consumption amounts at different power are respectively calculated, and the total sum of the calculated waste water amounts is taken as the total water consumption amount L1.
Preferably, a first timing module may be additionally disposed in the specific structure of the wastewater amount detection system provided in this embodiment, and the first timing module is electrically connected to the data processing module, when wastewater enters the wastewater tank 200 for the first time (i.e., wastewater enters the wastewater tank 200 without wastewater for the first time), the first timing module starts timing, and the data processing module can obtain the metering duration T1 of the first timing module; during this period, if the waste water tank 200 is removed (cleaned) and reinstalled in the working position, the data module controls the first timing module to reset the time period T1, that is, the first timing module will count again after each cleaning of the waste water tank 200.
The data processing module is prestored with a first time length threshold T10The measured time T1 is reached when the data processing module obtainsTo the first time threshold T10When the alarm is triggered, the data processing module controls the alarm to remind the user to clean the wastewater tank 200, so that the wastewater quantity L2 in the wastewater tank 200 does not reach the wastewater quantity threshold L for a long time0And when the waste water tank 200 is not cleaned for a long time, the alarm can also give an alarm prompt, so that the problem of putrefaction and deterioration caused by the fact that waste water is left in the waste water tank 200 for a long time can be prevented.
In the specific structure of the wastewater amount detection system provided by this embodiment, a second timing module may be further added, and the second timing module is electrically connected to the data processing module, and once the alarm gives an alarm, the second timing module starts timing, and the data processing module can obtain a metering duration T2 of the second timing module; at this time, if waste tank 200 is removed (cleaned) and reinstalled in the service position, the data module will control the second timer module to reset the timer period T2, i.e., the second timer module will count again after each cleaning of waste tank 200.
The data processing module is prestored with a second duration threshold value T20When the measured duration T2 obtained by the data processing module reaches the second duration threshold T20When the alarm is not used, the data processing module controls the alarm to stop alarming, so that if a user does not clean the waste water tank 200 when the alarm gives an alarm due to various factors, the alarm can automatically stop alarming after giving an alarm for a certain time, and the waste water tank enters a shutdown state, so that the electric energy loss is reduced.
When the cooking device is started, if the metering time length T2 of the second timing module is equal to or greater than the second time length threshold value T20Then, the data processing module will control the alarm to start intermittent alarm to remind the user to clean the waste water tank 200, and at the same time, the data processing module will prohibit the cooking device from steam cooking to prevent the waste water in the waste water tank 200 from overflowing.
Specifically, the specific structure of the wastewater amount detection system provided in this embodiment includes the inductive switch 500, the inductive switch 500 is triggered when the wastewater tank 200 is taken out and then reinstalled in the working position, the inductive switch 500 is electrically connected to the data processing module, and the data processing module can obtain the trigger signal sent by the inductive switch 500 and determine that the trigger signal is the trigger signal that the wastewater tank 200 is taken out and then reinstalled in the working position.
The inductive switch 500 may be provided as a contact switch.
In addition, in the specific structure of the wastewater amount detection system provided by this embodiment, the water level detection module 600 can be further added to communicate the water level detection module 600 with the evaporation pan of the steam generator 400, so as to detect the water level in the steam generator 400 by using the water level detection module 600.
The water in the purified water tank 100 is pumped into the steam generator 400 through the water pump 700, the water level detection module 600 and the water pump 700 are both electrically connected with the data processing module, a high water level threshold and a low water level threshold are pre-stored in the data processing module, and when the water level detected by the water level detection module 600 exceeds the high water level threshold, the data processing module can control the water pump 700 to stop working, so that the water pump 700 stops pumping water into the steam generator 400, and the phenomenon that the water overflows from an evaporation tray of the steam generator 400 due to too much water is prevented; when the water level that water level detection module 600 detected highly is less than low water level threshold, data processing module can control water pump 700 and start to make water pump 700 begin to pump water in steam generator 400, for the moisturizing of evaporating dish, prevent the dry combustion method problem.
Specifically, the water level detection module 600 may be installed between the flow meter 300 and the steam generator 400, so as to be adapted to the structure of the cooking appliance.
Preferably, the capacity of the wastewater tank 200 may be set to be greater than the wastewater amount threshold L0Therefore, the precision requirement on the detection of the amount of the waste water can be reduced, and the problem of noise and waste water overflow caused by errors or the volume of other magazines is prevented.
The alarm can be set to be either one or two of a sound alarm and a light alarm.
Referring to fig. 1 and 2, the present embodiment also provides a cooking apparatus with a steaming function, which includes the above-described wastewater amount detection system.
A temperature sensor may be installed in the cavity of the cooking apparatus to sense the ambient temperature inside the cavity by using the temperature sensor, and to control whether the steam generator 400 operates and what kind of power to operate according to a difference between the actual temperature inside the cavity and a preset temperature value.
In summary, the present invention discloses a waste water amount detection system and a cooking device with steaming function, which overcomes many technical defects of the conventional waste water amount detection system. The waste water amount detection system and the cooking device with the steaming function provided by the embodiment can be influenced by impurities (such as grease, scale, food residues and the like) in water, namely, the waste water amount detection system is not easy to lose effectiveness, a user can be timely reminded of cleaning the waste water tank 200, and the problem of waste water overflow is relieved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A waste water amount detection system is characterized by comprising a flow meter (300), a data processing module and an alarm, wherein the flow meter (300) is installed on a pipeline between a purified water tank (100) and a steam generator (400), and the flow meter (300) and the steam generator (400) are both electrically connected with the data processing module;
the data processing module acquires the power w of the steam generator (400), the thermal efficiency eta of the steam generator (400) and the working time t of the steam generator (400), and calculates to obtain water consumption L1 according to the energy difference delta e between saturated steam energy and room temperature water energy and a formula L1 which is t multiplied by w multiplied by eta/delta e; the data processing module acquires the water supply amount L measured by the flow meter (300), and calculates the wastewater amount L2 in the wastewater tank (200) according to the calculated water consumption amount L1 and a formula L2-L1; when the waste water tank (200) is removed and reinstalled in a working position, the data processing module clears the obtained waste water amount L2;
the data processing module is electrically connected with the alarm, and when the wastewater quantity L2 obtained by the data processing module reaches a wastewater quantity threshold value L0And the data processing module controls the alarm to give an alarm.
2. A wastewater quantity detection system according to claim 1, further comprising a first timing module electrically connected to said data processing module, said first timing module for starting timing when wastewater is first entered into said wastewater tank (200), said data processing module for obtaining a metered duration T1 of said first timing module; when the waste water tank (200) is removed and reinstalled in a working position, the data processing module controls the first timing module to zero the metering time length T1;
when the measured time length T1 obtained by the data processing module reaches a first time length threshold T10And the data processing module controls the alarm to give an alarm.
3. A wastewater quantity detection system according to claim 1, further comprising said second timing module electrically connected to said data processing module, said second timing module for starting timing when said alarm alarms, said data processing module for obtaining a metering duration T2 of said second timing module; when the waste water tank (200) is removed and reinstalled in a working position, the data processing module controls the second timing module to zero the metering time length T2;
when the measured duration T2 obtained by the data processing module reaches a second duration threshold T20And when the alarm stops alarming, the data processing module controls the alarm to stop alarming.
4. The method of claim 3Waste water amount detection system, characterized in that when the cooking device is started, if the metering time period T2 of the second timing module is equal to or greater than the second time period threshold value T20And if so, the data processing module controls the alarm to give an alarm intermittently and forbids the cooking device to perform steam cooking.
5. A waste water amount detection system according to any of claims 1-4, further comprising an inductive switch (500), said inductive switch (500) being electrically connected to said data processing module, said inductive switch (500) being triggered when said waste water tank (200) is reinstalled in an operating position after removal; the data processing module can judge that the waste water tank (200) is reinstalled to a working position after being taken out according to the trigger signal of the inductive switch (500).
6. A waste water amount detection system according to any of claims 1-4, further comprising a water level detection module (600), said water level detection module (600) being in communication with an evaporation tray of said steam generator (400) for detecting a water level within said steam generator (400);
the water level detection module (600) and the water pump (700) used for sending the water pump (700) in the purified water tank (100) to the steam generator (400) are electrically connected with the data processing module; when the water level detected by the water level detection module (600) exceeds a high water level threshold, the data processing module controls the water pump (700) to stop working; when the water level detected by the water level detection module (600) is lower than a low water level threshold, the data processing module controls the water pump (700) to start.
7. A waste amount detection system according to claim 6, wherein said water level detection module (600) is mounted between said flow meter (300) and said steam generator (400).
8. Wastewater according to any of claims 1 to 4Quantity detection system, characterized in that the capacity of said wastewater tank (200) is greater than said wastewater quantity threshold L0。
9. A waste water amount detection system according to any of claims 1-4, wherein said alarm is an audible alarm and/or a light alarm.
10. A cooking appliance having a steaming function, comprising the wastewater amount detection system of any one of claims 1 to 9.
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| CN202010901908.5A CN111972977A (en) | 2020-09-01 | 2020-09-01 | Waste water volume detecting system and cooking device with steaming function |
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| CN202010901908.5A CN111972977A (en) | 2020-09-01 | 2020-09-01 | Waste water volume detecting system and cooking device with steaming function |
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Application publication date: 20201124 |