CN113686011A - Circulation heating pipeline and blockage detection method, device, controller and medium thereof - Google Patents
Circulation heating pipeline and blockage detection method, device, controller and medium thereof Download PDFInfo
- Publication number
- CN113686011A CN113686011A CN202110984880.0A CN202110984880A CN113686011A CN 113686011 A CN113686011 A CN 113686011A CN 202110984880 A CN202110984880 A CN 202110984880A CN 113686011 A CN113686011 A CN 113686011A
- Authority
- CN
- China
- Prior art keywords
- water
- value
- drainage rate
- heating module
- heating pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/0072—Special adaptations
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K3/00—Baths; Douches; Appurtenances therefor
- A47K3/02—Baths
- A47K3/022—Baths specially adapted for particular use, e.g. for washing the feet, for bathing in sitting position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/16—Arrangements for water drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Control For Baths (AREA)
Abstract
The invention discloses a circulating heating pipeline and a blockage detection method, a blockage detection device, a controller and a medium thereof, and belongs to the technical field of foot bath devices. The method comprises the following steps: acquiring a first water temperature value at a water inlet pipe of the circulating heating pipeline and a second water temperature value at a water outlet pipe; acquiring a current value of the heating module, and calculating the instantaneous power of the heating module; acquiring a drainage rate actual value of a circulating heating pipeline; acquiring the quality of water in the foot bath device; inquiring a drainage rate estimation value corresponding to the quality of water in the foot bath device; judging whether a deviation value between the actual drainage rate value and the estimated drainage rate value is greater than a preset deviation value threshold value or not; if so, judging that the circulating heating pipeline is blocked. According to the technical scheme, whether the circulating heating pipeline is blocked or not can be judged, so that the heating module is turned off in time when the circulating heating pipeline is blocked, the overheating fault of the heating module or the scalding of a user due to overhigh water temperature of the water outlet of the circulating pipeline can be avoided, and the safety is greatly improved.
Description
Technical Field
The invention relates to the technical field of foot bath devices, in particular to a circulating heating pipeline and a blockage detection method, a device, a controller and a medium thereof.
Background
The proper foot bath can promote blood circulation of feet and the whole body, regulate endocrine function of the body to a certain degree, promote metabolism circulation, dispel plantar sediment and eliminate fatigue substances in the body, promote blood circulation, dredge collaterals, eliminate fatigue and enable people to be in a rest state. Modern people are busy in work, and people want to relax thoroughly after going home after busy work in one day, so various foot baths appear on the market, and people can conveniently enjoy foot bath at home.
The existing foot bath device is provided with a water temperature heating module and a water circulation heating device, when residues in a water containing cavity of the foot bath device block a circulation pipeline, the heating module is not timely cut off, so that the danger that a user is scalded due to overheating fault of the heating module or overhigh water temperature at a water outlet of the circulation pipeline is possibly caused.
Disclosure of Invention
The embodiment of the invention provides a circulating heating pipeline and a blockage detection method, a blockage detection device, a controller and a medium thereof, and aims to solve the problem that when residues exist in a water containing cavity of an existing foot bath device to block the circulating pipeline, the heating module is not cut off timely, so that overheating faults of the heating module or the water temperature at a water outlet of the circulating pipeline is too high, and a user is possibly scalded.
In a first aspect, an embodiment of the present invention provides a method for detecting a blockage of a circulation heating line, including: acquiring a first water temperature value at a water inlet pipe of the circulating heating pipeline and a second water temperature value at a water outlet pipe of the circulating heating pipeline;
acquiring a current value of a heating module, and calculating the instantaneous power of the heating module according to the current value;
according to the formula
Acquiring a drainage rate actual value of the circulating heating pipeline;
according to the formula
Acquiring the quality of water in the foot bath device;
inquiring a drainage rate estimation value corresponding to the quality of the water in the foot bath device from a preset drainage rate interpolation table;
judging whether the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value or not;
if the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value, judging that the circulating heating pipeline is blocked;
v is the actual value of the drainage rate of the circulating heating pipeline, the mass of water in the M foot bath device, eta is the heating efficiency of the heating module, c is the specific heat capacity of the water, rho is the density of the water, S is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipeline, and Q is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipelinePTCFor instantaneous power of the heating module, TAIs the first water temperature value, TBIs the second water temperature value, Δ TACalculating the temperature rise rate delta T of the water temperature at the water inlet pipe for N times of continuous interval time delta TA＝∑(TAi-TA(i-1)) V (N · Δ T), N is the number of samples, i is 1, 2, … N, Δ T is the sample interval time, TAiFor the real-time water temperature value, T, collected at the ith timeA(i-1)The real-time water temperature value collected for the (i-1) th time. In a second aspect, an embodiment of the present invention further provides a circulation heating pipeline, which includes a water inlet pipe, a water outlet pipe, a heating module, a first temperature sensor, a second temperature sensor, a current sampling element, a water pump, and a controller; the input end of the heating module is connected with the water inlet pipe, the output end of the heating module is connected with the water pump, and the water pump is connected with the water inlet pipeThe water outlet pipe is connected; the first temperature sensor is arranged in the water inlet pipe and is electrically connected with the controller; the second temperature sensor is arranged in the water outlet pipe and is electrically connected with the controller; the current sampling element is electrically connected with the heating module and the controller respectively; the heating module is electrically connected with the controller; wherein the controller is configured to perform the method of the first aspect.
In a third aspect, the embodiment of the present invention further provides a blockage detection device for a circulation heating pipeline, which comprises a unit for executing the above method.
In a fourth aspect, an embodiment of the present invention further provides a controller, which includes a memory and a processor, where the memory stores a computer program, and the processor implements the above method when executing the computer program.
In a fifth aspect, the present invention also provides a computer-readable storage medium, which stores a computer program, and the computer program can implement the above method when executed by a processor.
The technical effects of the invention comprise:
by applying the technical scheme of the invention, whether the circulating heating pipeline is blocked can be judged, so that the heating module is turned off in time when the circulation heating pipeline is blocked, the overheating fault of the heating module or the scalding of a user caused by overhigh water temperature at the water outlet of the circulating pipeline can be avoided, and the safety is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an application scenario of a method for detecting a blockage of a circulation heating line according to an embodiment of the present invention;
fig. 2 is a block diagram of a circulation heating pipeline according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a circulation heating pipeline according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a circulation heating circuit in a foot bath according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a circulation heating circuit in a foot bath according to an embodiment of the present invention;
fig. 6 is a schematic block diagram of a controller according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, 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.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a method for detecting a blockage of a circulation heating line according to an embodiment of the present invention. As shown in fig. 1, the method comprises the steps of:
s1, acquiring a first water temperature value at the water inlet pipe of the circulating heating pipeline and a second water temperature value at the water outlet pipe of the circulating heating pipeline.
In specific implementation, the circulating heating pipeline comprises a water inlet pipe, a water outlet pipe and a heating module, and water flows into the heating module from the water inlet pipe and is heated and then flows out from the water outlet pipe. The heating module may in particular be a PTC heating module.
In the embodiment of the invention, a first water temperature value at a water inlet pipe of the circulating heating pipeline and a second water temperature value at a water outlet pipe of the circulating heating pipeline are respectively obtained.
For example, in one embodiment, a first temperature sensor is disposed within the inlet pipe and a second temperature sensor is disposed within the outlet pipe.
The step S1 specifically includes: acquiring the first water temperature value through a first temperature sensor in the water inlet pipe; and acquiring the second water temperature value through a second temperature sensor in the water outlet pipe.
S2, acquiring the current value of the heating module, and calculating the instantaneous power of the heating module according to the current value.
In specific implementation, a current value of a heating module is obtained, and the instantaneous power of the heating module is calculated according to the current value. Specifically, the instantaneous power of the heating module is calculated from the current value of the heating module and the resistance value of the heating resistor of the heating module.
In one embodiment, the circulation heating circuit further comprises a current sampling element.
The step S2 specifically includes: and acquiring the current value of the heating module through a current sampling element electrically connected with the heating module.
In a specific implementation, the current sampling element is any one of a current sampling resistor, a current transformer and a hall current sensor.
Furthermore, the data sampling method of the first temperature sensor, the second temperature sensor and the current sampling element is as follows: and collecting data at equal time intervals, and taking a calculated value obtained by a moving average filtering algorithm as a current value.
The time interval is 0.5-2s, for example, 1s in this embodiment.
The sliding window length of the moving average filtering algorithm is 3-5, for example, in this embodiment, the sliding window length of the moving average filtering algorithm is 5.
S3 according to the formula
And acquiring the actual value of the drainage rate of the circulating heating pipeline.
In specific implementation, according to the formula
Acquiring a drainage rate actual value of the circulating heating pipeline, wherein v is the drainage rate actual value of the circulating heating pipeline, eta is the heating efficiency of the heating module, c is the specific heat capacity of water, rho is the density of the water, S is the pipe diameter sectional area of a water inlet pipe of the circulating heating pipeline, and Q isPTCFor instantaneous power of the heating module, TAIs the first water temperature value, TBAnd the second water temperature value is obtained.
Eta is the heating efficiency of the heating module, and eta is generally 70-90%. c is the specific heat capacity of water, rho is the density of water, and S is the constant of the pipe diameter sectional area of the water inlet pipe of the circulating heating pipeline, and the water inlet pipe is stored by a user in advance and can be directly taken when in use.
S4 according to the formula
And obtaining the quality of the water in the foot bath device.
In specific implementation, according to the formula
Obtaining the mass of water in the foot bath device, wherein the mass of the water in the M foot bath device is eta which is the heating efficiency of the heating module, c is the specific heat capacity of the water, rho is the density of the water, S is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipeline, and QPTCFor instantaneous power of the heating module, TAIs the first water temperature value, TBIs the second water temperature value, Δ TACalculating the temperature rise rate delta T of the water temperature at the water inlet pipe for N times of continuous interval time delta TA＝∑(TAi-TA(i-1)) V (N · Δ T), N is the number of samples, i is 1, 2, … N, Δ T is the sample interval time, TAiFor the real-time water temperature value, T, collected at the ith timeA(i-1)The real-time water temperature value collected for the (i-1) th time.
Eta is the heating efficiency of the heating module, and eta is generally 70-90%. c is the specific heat capacity of water, rho is the density of water, and S is the constant of the pipe diameter sectional area of the water inlet pipe of the circulating heating pipeline, and the water inlet pipe is stored by a user in advance and can be directly taken when in use.
And S5, inquiring a drainage rate estimated value corresponding to the quality of the water in the foot bath from a preset drainage rate interpolation table.
In specific implementation, the drainage rate estimated value corresponding to the quality of the water in the foot bath is recorded in the drainage rate interpolation table. The drainage rate interpolation table is stored by a user in advance and can be directly called when in use.
After the quality of the water in the foot bath is obtained, a drainage rate estimation value corresponding to the quality of the water in the foot bath is inquired from a drainage rate interpolation table.
In an embodiment, the drainage rate interpolation table is obtained by: and testing the drainage rate of the water pump in the foot bath device at different water amounts, obtaining the fitting coefficient of the water pump in the foot bath device at the drainage rate at different water amounts by a least square method, drawing a fitting curve according to the fitting coefficient, and converting the fitting curve into a drainage rate interpolation table of the water pump in the foot bath device at different water amounts by adopting an interpolation method.
It should be noted that the water pump may be embodied as a submerged centrifugal water pump.
And S6, judging whether the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value.
In a specific implementation, a deviation value between the drainage rate actual value and the drainage rate estimated value, that is, an absolute value of a difference between the drainage rate actual value and the drainage rate estimated value, is calculated.
And further judging whether the deviation value is larger than a preset deviation value threshold value. The offset value threshold can be set by one skilled in the art, and the present invention is not limited thereto. For example, in one embodiment, the deviation value threshold is 30% of the drainage rate estimate.
And S7, if the deviation value between the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value, judging that the circulation heating pipeline is blocked.
In specific implementation, if the deviation value between the actual drainage rate value and the estimated drainage rate value is greater than a preset deviation value threshold, it is determined that the circulation heating pipeline is blocked. At this time, an alarm prompt can be sent, for example, an alarm lamp is controlled to be turned on, or a voice alarm prompt is sent.
Further, if the deviation value of the actual drainage rate value and the estimated drainage rate value is not larger than a preset deviation value threshold value, it is determined that the circulation heating pipeline is not blocked.
By applying the technical scheme of the invention, whether the circulating heating pipeline is blocked can be judged, so that the heating module is turned off in time when the circulation heating pipeline is blocked, the overheating fault of the heating module or the scalding of a user caused by overhigh water temperature at the water outlet of the circulating pipeline can be avoided, and the safety is greatly improved.
Referring to fig. 2 to 5, an embodiment of the present invention provides a circulation heating pipeline, which includes a water inlet pipe 1, a water outlet pipe 2, a heating module 3, a first temperature sensor 4, a second temperature sensor 5, a current sampling element 6, a water pump 7, and a controller 8.
The input end of the heating module 3 is connected with the water inlet pipe 1, the output end of the heating module 3 is connected with the water pump 7, and the water pump 7 is connected with the water outlet pipe 2; the first temperature sensor 4 is arranged in the water inlet pipe 1 and is electrically connected with the controller 8; the second temperature sensor 5 is arranged in the water outlet pipe 2 and is electrically connected with the controller 8; the current sampling element 6 is electrically connected to the heating module 3 and the controller 8, respectively; the heating module 3 is electrically connected with the controller 8; the controller 8 is configured to execute the method for detecting blockage of the circulation heating line provided in the above embodiment.
Further, the current sampling element 6 is any one of a current sampling resistor, a current transformer, and a hall current sensor.
Further, the water pump 7 may be embodied as a submerged centrifugal water pump.
Further, the circulating heating pipeline further comprises an automatic reset type overtemperature jump device 9, and the automatic reset type overtemperature jump device 9 is electrically connected with the heating module 3 and the controller 8 respectively. The automatic reset type overtemperature jump device 9 can cut off the heating module 3 when the temperature exceeds a user set threshold value, and the safety is greatly improved.
Further, the circulation heating line further includes a display device (not shown), and the display device is electrically connected to the controller 8.
Corresponding to the blockage detection method of the circulating heating pipeline, the embodiment of the invention also provides a blockage detection device of the circulating heating pipeline. The circulation heating line clogging detection device includes a unit for executing the above-described circulation heating line clogging detection method, and may be configured in the controller. Specifically, the clogging detecting device of the circulation heating line includes:
the first acquisition unit is used for acquiring a first water temperature value at a water inlet pipe of the circulating heating pipeline and a second water temperature value at a water outlet pipe of the circulating heating pipeline;
the second acquisition unit is used for acquiring the current value of the heating module and calculating the instantaneous power of the heating module according to the current value;
a third obtaining unit for obtaining the formula
Acquiring a drainage rate actual value of the circulating heating pipeline;
a fourth obtaining unit for obtaining the formula
Acquiring the quality of water in the foot bath device;
the query unit is used for querying a drainage rate estimation value corresponding to the quality of the water in the foot bath device from a preset drainage rate interpolation table;
the judging unit is used for judging whether the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value or not;
the judging unit is used for judging that the circulating heating pipeline is blocked if the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold;
v is the actual value of the drainage rate of the circulating heating pipeline, the mass of water in the M foot bath device, eta is the heating efficiency of the heating module, c is the specific heat capacity of the water, rho is the density of the water, S is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipeline, and Q is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipelinePTCFor instantaneous power of the heating module, TAIs the first water temperature value, TBIs the second water temperature value, Δ TACalculating the temperature rise rate delta T of the water temperature at the water inlet pipe for N times of continuous interval time delta TA＝∑(TAi-TA(i-1)) V (N · Δ T), N is the number of samples, i is 1, 2, … N, Δ T is the sample interval time, TAiFor the real-time water temperature value, T, collected at the ith timeA(i-1)The real-time water temperature value collected for the (i-1) th time.
In an embodiment, the obtaining a first water temperature value at a water inlet pipe of the circulation heating pipeline and a second water temperature value at a water outlet pipe of the circulation heating pipeline includes:
acquiring the first water temperature value through a first temperature sensor in the water inlet pipe;
and acquiring the second water temperature value through a second temperature sensor in the water outlet pipe.
In an embodiment, the obtaining the current value of the heating module includes:
and acquiring the current value of the heating module through a current sampling element electrically connected with the heating module.
In an embodiment, the data sampling manner of the first temperature sensor, the second temperature sensor and the current sampling element is as follows: and collecting data at equal time intervals, and taking a calculated value obtained by a moving average filtering algorithm as a current value.
In one embodiment, the time interval is 0.5-2 s; the sliding window length of the moving average filtering algorithm is 3-5.
In an embodiment, the drainage rate interpolation table is obtained by: and testing the drainage rate of the water pump in the foot bath device at different water amounts, obtaining the fitting coefficient of the water pump in the foot bath device at the drainage rate at different water amounts by a least square method, drawing a fitting curve according to the fitting coefficient, and converting the fitting curve into a drainage rate interpolation table of the water pump in the foot bath device at different water amounts by adopting an interpolation method.
It should be noted that, as can be clearly understood by those skilled in the art, the specific implementation process of the blockage detection device and each unit of the circulation heating pipeline may refer to the corresponding description in the foregoing method embodiment, and for convenience and brevity of description, no further description is provided herein.
The above-described clogging detecting means of the circulation heating line may be implemented in the form of a computer program that can be run on a controller as shown in fig. 6.
Referring to fig. 6, fig. 6 is a schematic block diagram of a controller according to an embodiment of the present invention.
The controller 500 includes a processor 502, memory, and a network interface 505 connected by a system bus 501, where the memory may include a non-volatile storage medium 503 and an internal memory 504.
The non-volatile storage medium 503 may store an operating system 5031 and a computer program 5032. The computer program 5032, when executed, causes the processor 502 to perform a method of detecting plugging of a circulation heating line.
The processor 502 is used to provide computing and control capabilities to support the operation of the overall controller 500.
The internal memory 504 provides an environment for the operation of the computer program 5032 in the non-volatile storage medium 503, and when the computer program 5032 is executed by the processor 502, the processor 502 may be enabled to execute a method for detecting the blockage of the circulation heating line.
The network interface 505 is used for network communication with other devices. It will be understood by those skilled in the art that the above-described structure is only a block diagram of a part of the structure related to the solution of the present invention, and does not constitute a limitation to the controller 500 to which the solution of the present invention is applied, and a specific controller 500 may include more or less components than those shown in the figure, or combine some components, or have different arrangements of components.
Wherein the processor 502 is configured to run the computer program 5032 stored in the memory to implement the following steps:
acquiring a first water temperature value at a water inlet pipe of the circulating heating pipeline and a second water temperature value at a water outlet pipe of the circulating heating pipeline;
acquiring a current value of a heating module, and calculating the instantaneous power of the heating module according to the current value;
according to the formula
Acquiring a drainage rate actual value of the circulating heating pipeline;
according to the formula
Acquiring the quality of water in the foot bath device;
inquiring a drainage rate estimation value corresponding to the quality of the water in the foot bath device from a preset drainage rate interpolation table;
judging whether the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value or not;
if the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value, judging that the circulating heating pipeline is blocked;
v is the actual value of the drainage rate of the circulating heating pipeline, the mass of water in the M foot bath device, eta is the heating efficiency of the heating module, c is the specific heat capacity of the water, rho is the density of the water, S is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipeline, and Q is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipelinePTCFor instantaneous power of the heating module, TAIs the first water temperature value, TBIs the second water temperature value, Δ TACalculating the temperature rise rate delta T of the water temperature at the water inlet pipe for N times of continuous interval time delta TA＝∑(TAi-TA(i-1)) V (N · Δ T), N is the number of samples, i is 1, 2, … N, Δ T is the sample interval time, TAiFor the real-time water temperature value, T, collected at the ith timeA(i-1)The real-time water temperature value collected for the (i-1) th time.
In an embodiment, the obtaining a first water temperature value at a water inlet pipe of the circulation heating pipeline and a second water temperature value at a water outlet pipe of the circulation heating pipeline includes:
acquiring the first water temperature value through a first temperature sensor in the water inlet pipe;
and acquiring the second water temperature value through a second temperature sensor in the water outlet pipe.
In an embodiment, the obtaining the current value of the heating module includes:
and acquiring the current value of the heating module through a current sampling element electrically connected with the heating module.
In an embodiment, the data sampling manner of the first temperature sensor, the second temperature sensor and the current sampling element is as follows: and collecting data at equal time intervals, and taking a calculated value obtained by a moving average filtering algorithm as a current value.
In one embodiment, the time interval is 0.5-2 s; the sliding window length of the moving average filtering algorithm is 3-5.
In an embodiment, the drainage rate interpolation table is obtained by: and testing the drainage rate of the water pump in the foot bath device at different water amounts, obtaining the fitting coefficient of the water pump in the foot bath device at the drainage rate at different water amounts by a least square method, drawing a fitting curve according to the fitting coefficient, and converting the fitting curve into a drainage rate interpolation table of the water pump in the foot bath device at different water amounts by adopting an interpolation method.
It should be understood that, in the embodiment of the present invention, the Processor 502 may be a Central Processing Unit (CPU), and the Processor 502 may also be other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
It will be understood by those skilled in the art that all or part of the flow of the method implementing the above embodiments may be implemented by a computer program instructing associated hardware. The computer program may be stored in a storage medium, which is a computer-readable storage medium. The computer program is executed by at least one processor in the computer system to implement the flow steps of the embodiments of the method described above.
Accordingly, the present invention also provides a storage medium. The storage medium may be a computer-readable storage medium. The storage medium stores a computer program. The computer program, when executed by a processor, causes the processor to perform the steps of:
acquiring a first water temperature value at a water inlet pipe of the circulating heating pipeline and a second water temperature value at a water outlet pipe of the circulating heating pipeline;
acquiring a current value of a heating module, and calculating the instantaneous power of the heating module according to the current value;
according to the formula
Acquiring a drainage rate actual value of the circulating heating pipeline;
according to the formula
Acquiring the quality of water in the foot bath device;
inquiring a drainage rate estimation value corresponding to the quality of the water in the foot bath device from a preset drainage rate interpolation table;
judging whether the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value or not;
if the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value, judging that the circulating heating pipeline is blocked;
v is the actual value of the drainage rate of the circulating heating pipeline, the mass of water in the M foot bath device, eta is the heating efficiency of the heating module, c is the specific heat capacity of the water, rho is the density of the water, S is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipeline, and Q is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipelinePTCFor instantaneous power of the heating module, TAIs the first water temperature value, TBIs the second water temperature value, Δ TACalculating the temperature rise rate delta T of the water temperature at the water inlet pipe for N times of continuous interval time delta TA＝∑(TAi-TA(i-1)) V (N · Δ T), N is the number of samples, i is 1, 2, … N, Δ T is the sample interval time, TAiFor the real-time water temperature value, T, collected at the ith timeA(i-1)The real-time water temperature value collected for the (i-1) th time.
In an embodiment, the obtaining a first water temperature value at a water inlet pipe of the circulation heating pipeline and a second water temperature value at a water outlet pipe of the circulation heating pipeline includes:
acquiring the first water temperature value through a first temperature sensor in the water inlet pipe;
and acquiring the second water temperature value through a second temperature sensor in the water outlet pipe.
In an embodiment, the obtaining the current value of the heating module includes:
and acquiring the current value of the heating module through a current sampling element electrically connected with the heating module.
In an embodiment, the data sampling manner of the first temperature sensor, the second temperature sensor and the current sampling element is as follows: and collecting data at equal time intervals, and taking a calculated value obtained by a moving average filtering algorithm as a current value.
In one embodiment, the time interval is 0.5-2 s; the sliding window length of the moving average filtering algorithm is 3-5.
In an embodiment, the drainage rate interpolation table is obtained by: and testing the drainage rate of the water pump in the foot bath device at different water amounts, obtaining the fitting coefficient of the water pump in the foot bath device at the drainage rate at different water amounts by a least square method, drawing a fitting curve according to the fitting coefficient, and converting the fitting curve into a drainage rate interpolation table of the water pump in the foot bath device at different water amounts by adopting an interpolation method.
The storage medium is an entity and non-transitory storage medium, and may be various entity storage media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a magnetic disk, or an optical disk. The computer readable storage medium may be non-volatile or volatile.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative. For example, the division of each unit is only one logic function division, and there may be another division manner in actual implementation. For example, various elements or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs. The units in the device of the embodiment of the invention can be merged, divided and deleted according to actual needs. In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a storage medium. Based on this understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a controller to execute all or part of the steps of the method according to the embodiments of the present invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, while the invention has been described with respect to the above-described embodiments, it will be understood that the invention is not limited thereto but may be embodied with various modifications and changes.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above should not be understood to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for detecting clogging of a circulation heating line, comprising:
acquiring a first water temperature value at a water inlet pipe of the circulating heating pipeline and a second water temperature value at a water outlet pipe of the circulating heating pipeline;
acquiring a current value of a heating module, and calculating the instantaneous power of the heating module according to the current value;
according to the formula
Acquiring a drainage rate actual value of the circulating heating pipeline;
according to the formula
Acquiring the quality of water in the foot bath device;
inquiring a drainage rate estimation value corresponding to the quality of the water in the foot bath device from a preset drainage rate interpolation table;
judging whether the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value or not;
if the deviation value of the actual drainage rate value and the estimated drainage rate value is larger than a preset deviation value threshold value, judging that the circulating heating pipeline is blocked;
v is the actual value of the drainage rate of the circulating heating pipeline, the mass of water in the M foot bath device, eta is the heating efficiency of the heating module, c is the specific heat capacity of the water, rho is the density of the water, S is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipeline, and Q is the pipe diameter sectional area of the water inlet pipe of the circulating heating pipelinePTCFor instantaneous power of the heating module, TAIs the first water temperature value, TBIs the second water temperature value, Δ TACalculating the temperature rise rate delta T of the water temperature at the water inlet pipe for N times of continuous interval time delta TA＝∑(TAi-TA(i-1)) V (N · Δ T), N is the number of samples, i is 1, 2, … N, Δ T is the sample interval time, TAiFor the real-time water temperature value, T, collected at the ith timeA(i-1)The real-time water temperature value collected for the (i-1) th time.
2. The method for detecting blockage of a circulation heating pipeline according to claim 1, wherein the obtaining of a first water temperature value at a water inlet pipe of the circulation heating pipeline and a second water temperature value at a water outlet pipe of the circulation heating pipeline comprises:
acquiring the first water temperature value through a first temperature sensor in the water inlet pipe;
and acquiring the second water temperature value through a second temperature sensor in the water outlet pipe.
3. The method of claim 2, wherein the obtaining of the current value of the heating module comprises:
and acquiring the current value of the heating module through a current sampling element electrically connected with the heating module.
4. The method of claim 3, wherein the first temperature sensor, the second temperature sensor and the current sampling element are sampled in a manner such that: and collecting data at equal time intervals, and taking a calculated value obtained by a moving average filtering algorithm as a current value.
5. The method according to claim 4, wherein the time interval is 0.5 to 2 s; the sliding window length of the moving average filtering algorithm is 3-5.
6. The method according to claim 1, wherein the drainage rate interpolation table is obtained by: and testing the drainage rate of the water pump in the foot bath device at different water amounts, obtaining the fitting coefficient of the water pump in the foot bath device at the drainage rate at different water amounts by a least square method, drawing a fitting curve according to the fitting coefficient, and converting the fitting curve into a drainage rate interpolation table of the water pump in the foot bath device at different water amounts by adopting an interpolation method.
7. A circulating heating pipeline is characterized by comprising a water inlet pipe, a water outlet pipe, a heating module, a first temperature sensor, a second temperature sensor, a current sampling element, a water pump and a controller; the input end of the heating module is connected with the water inlet pipe, the output end of the heating module is connected with the water pump, and the water pump is connected with the water outlet pipe; the first temperature sensor is arranged in the water inlet pipe and is electrically connected with the controller; the second temperature sensor is arranged in the water outlet pipe and is electrically connected with the controller; the current sampling element is electrically connected with the heating module and the controller respectively; the heating module is electrically connected with the controller; wherein the controller is configured to perform the method of any one of claims 1-6.
8. An apparatus for detecting clogging of a circulation heating line, comprising means for performing the method according to any one of claims 1 to 6.
9. A controller, characterized in that the controller comprises a memory having stored thereon a computer program and a processor implementing the method according to any of claims 1-6 when executing the computer program.
10. A computer-readable storage medium, characterized in that the storage medium stores a computer program which, when being executed by a processor, is adapted to carry out the method according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984880.0A CN113686011B (en) | 2021-08-24 | 2021-08-24 | Circulation heating pipeline and blockage detection method, device, controller and medium thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984880.0A CN113686011B (en) | 2021-08-24 | 2021-08-24 | Circulation heating pipeline and blockage detection method, device, controller and medium thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113686011A true CN113686011A (en) | 2021-11-23 |
| CN113686011B CN113686011B (en) | 2023-04-07 |
Family
ID=78582726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110984880.0A Active CN113686011B (en) | 2021-08-24 | 2021-08-24 | Circulation heating pipeline and blockage detection method, device, controller and medium thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113686011B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129108A (en) * | 2021-11-25 | 2022-03-04 | 中万恩科技有限公司 | Intelligent dish washing machine capable of automatically monitoring faults of heating wires and motor |
| TWI821955B (en) * | 2022-03-23 | 2023-11-11 | 德易力科技股份有限公司 | Disaster prevention warning system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007252445A (en) * | 2006-03-21 | 2007-10-04 | Kimiya Furuta | Hot bathing device for limbs |
| KR101271221B1 (en) * | 2012-02-01 | 2013-06-07 | (주)세한기업 | Heater assembly and foot bath apparatus using the same |
| CN209242833U (en) * | 2018-06-13 | 2019-08-13 | 安徽省龙凤科技有限公司 | A kind of filter device about foot-bathing bucket |
| CN211985195U (en) * | 2020-03-18 | 2020-11-24 | 万珂 | Bathing device |
| JP2021032105A (en) * | 2019-08-22 | 2021-03-01 | 三菱自動車工業株式会社 | Foreign matter discharge device |
-
2021
- 2021-08-24 CN CN202110984880.0A patent/CN113686011B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007252445A (en) * | 2006-03-21 | 2007-10-04 | Kimiya Furuta | Hot bathing device for limbs |
| KR101271221B1 (en) * | 2012-02-01 | 2013-06-07 | (주)세한기업 | Heater assembly and foot bath apparatus using the same |
| CN209242833U (en) * | 2018-06-13 | 2019-08-13 | 安徽省龙凤科技有限公司 | A kind of filter device about foot-bathing bucket |
| JP2021032105A (en) * | 2019-08-22 | 2021-03-01 | 三菱自動車工業株式会社 | Foreign matter discharge device |
| CN211985195U (en) * | 2020-03-18 | 2020-11-24 | 万珂 | Bathing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129108A (en) * | 2021-11-25 | 2022-03-04 | 中万恩科技有限公司 | Intelligent dish washing machine capable of automatically monitoring faults of heating wires and motor |
| TWI821955B (en) * | 2022-03-23 | 2023-11-11 | 德易力科技股份有限公司 | Disaster prevention warning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113686011B (en) | 2023-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113686011B (en) | Circulation heating pipeline and blockage detection method, device, controller and medium thereof | |
| JP6957680B2 (en) | A dialysis device that has the function of determining the pre-dialysis characteristics of blood of dialysis patients. | |
| Daugirdas et al. | Automated monitoring of hemodialysis adequacy by dialysis machines: potential benefits to patients and cost savings | |
| EP1396274A1 (en) | Controller and control method for a blood treatment equipment | |
| US20070131595A1 (en) | Method for conductivity calculation in a treatment fluid upstream and downstream a filtration unit in apparatuses for the blood treatment | |
| US20160033463A1 (en) | Method and apparatus for a cooking oil quality sensor | |
| JP2014524294A5 (en) | ||
| WO2018192258A1 (en) | Water heater control method and device, water heater, and control system | |
| JP2018126523A5 (en) | ||
| JP2001520741A (en) | Electronic thermometer | |
| CN111752170A (en) | Intelligent cooking method and device | |
| CN115523143B (en) | Operation monitoring method and system for vacuum pump using temperature sensor | |
| EP1923764A1 (en) | A method of judging water boiling in electric kettles | |
| CN113654245A (en) | Circulating heating pipeline, method and device for predicting temperature rise time, controller and medium | |
| US20140346688A1 (en) | Humidifier and a method of monitoring the water level in the humidifier | |
| US10101316B2 (en) | Apparatus and method for determining distribution volume in dialysis patient | |
| CN109152875B (en) | Device and method for determining a parameter indicative of the progress of an extracorporeal blood treatment | |
| CN113384137B (en) | Control method and device of cooking equipment, cooking equipment and storage medium | |
| CN116611254A (en) | Wall thermal resistance determination method and device based on reaction coefficient and electronic equipment | |
| CN114747943B (en) | Instant heating water dispenser, preheating control method and device thereof and storage medium | |
| WO2013036813A1 (en) | Systems and methods for monitoring quality of cooking media | |
| CN106714668B (en) | Apparatus and method for predicting one or more parameters characterizing the outcome of a blood treatment | |
| CN116672596A (en) | Temperature control method, device, control equipment and storage medium of catheter pump | |
| CN115297910A (en) | Ultrafiltration control in extracorporeal blood treatment | |
| CN111297184B (en) | Method and device for detecting air pump and cooking appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |