CN107402407B - Pipeline sediment detection device, heat pump system and operation control method - Google Patents
Pipeline sediment detection device, heat pump system and operation control method Download PDFInfo
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- CN107402407B CN107402407B CN201710636738.0A CN201710636738A CN107402407B CN 107402407 B CN107402407 B CN 107402407B CN 201710636738 A CN201710636738 A CN 201710636738A CN 107402407 B CN107402407 B CN 107402407B
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- 239000013049 sediment Substances 0.000 title claims abstract description 148
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims description 53
- 230000015654 memory Effects 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000009825 accumulation Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 22
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000005485 electric heating Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 230000000172 allergic effect Effects 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/088—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with electric fields
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- General Engineering & Computer Science (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention provides a pipeline sediment detection device, a heat pump system and an operation control method, wherein the pipeline sediment detection device comprises: the capacitance detection module is matched with the circulation pipeline to detect capacitance information in the circulation pipeline; and the microprocessor is electrically connected with the capacitance detection module and used for determining sediment thickness information in the circulation pipeline according to the capacitance information. According to the technical scheme, the thickness of the sediment in the pipeline can be accurately detected according to the change of the capacitance information, the corresponding operation mode is automatically adjusted according to the thickness of the sediment, a user is timely reminded to clean, and the safety performance of the heat pump system is improved.
Description
Technical Field
The present invention relates to the field of pipeline inspection technology, and in particular, to a pipeline deposit inspection device, a heat pump system, an operation control method, and a computer readable storage medium.
Background
As is well known, calcium and magnesium ions in water slowly precipitate from hot water in the heating process to form suspended matters, and after a long time, the suspended matters can be precipitated at the bottom of the water or attached to the inner wall of a container to form sediments, so that the sediments are more harmful, on one hand, the sediments contain various chemical components and can grow bacteria, so that the skin of a user is allergic, on the other hand, the heat conduction performance of a heat pump system can be reduced, the energy consumption is increased, and the energy is wasted.
In the related art, generally, when the starting-up accumulation time of the heat pump system reaches a certain time, a user is reminded to clean, the time is estimated by a manufacturer, and the time is possibly inconsistent with the actual situation, so that the user cannot timely know the accumulation amount of the sediment and cannot clean properly, the use experience of the user is seriously influenced, and the heat pump system cannot automatically adjust the operation mode according to the accumulation amount of the sediment, so that a certain potential safety hazard exists.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
To this end, an object of the present invention is to provide a pipeline deposit detection device.
It is another object of the present invention to provide a heat pump system.
It is yet another object of the present invention to provide an operation control method.
It is yet another object of the present invention to provide a computer readable storage medium.
In order to achieve the above object, a first aspect of the present invention provides a pipe deposit detection device, including: the capacitance detection module is matched with the circulation pipeline to detect capacitance information in the circulation pipeline; and the microprocessor is electrically connected with the capacitance detection module and used for determining sediment thickness information in the circulation pipeline according to the capacitance information.
In the technical scheme, the capacitance detection module arranged in the circulation pipeline is matched to detect the capacitance information in the circulation pipeline, the microprocessor electrically connected with the capacitance detection module is used for determining the sediment thickness information in the circulation pipeline according to the capacitance information, detection of the sediment thickness information in the circulation pipeline is achieved, wherein the difference of the sediment thickness in the circulation pipeline can cause the difference of the capacitance in the circulation pipeline, when the microprocessor acquires the capacitance information in the circulation pipeline, the capacitance information is converted into digital information, the sediment thickness information in the circulation pipeline is determined by the microprocessor according to the preset data relation table of the corresponding digital information and the sediment thickness information, the user can make relevant processing in time according to the sediment thickness information, meanwhile, the accuracy of determining the sediment thickness information in the circulation pipeline is improved, the preset data relation table of the corresponding digital information and the sediment thickness information is determined according to a large amount of experimental data, the sediment thickness information can be determined through a large amount of data, and then the sediment thickness information is determined according to the constructed model.
In addition, the pipeline sediment detection device can be arranged at a plurality of installation positions on the pipeline to be detected, and the obtained capacitance information of each position or the determined sediment thickness information of each position is subjected to weighted average operation to be used as sediment thickness information of the whole pipeline to be detected, so that the accuracy of sediment thickness information determination can be further improved.
In the above technical solution, preferably, the capacitance detection module includes: the first polar plate and the second polar plate are matched and arranged at the opposite side of the circulation pipeline, and are close to the outer pipe wall of the circulation pipeline; the first voltage controller is electrically connected with the first polar plate and the second polar plate, the voltage controller is electrically connected with the microprocessor, the voltage controller controls the potential difference between the first polar plate and the second polar plate to be a first preset potential difference; the first electric quantity detector is electrically connected with the first polar plate and the second polar plate, and is electrically connected with the microprocessor and used for detecting the electric quantity variation of the first polar plate and the second polar plate.
According to the technical scheme, through the first polar plate and the second polar plate which are oppositely matched and arranged at the position close to the outer pipe wall of the circulation pipeline, and the first voltage controller which is electrically connected with the first polar plate and the second polar plate, the detection of capacitance information in the circulation pipeline is realized through the first electric quantity detector which is electrically connected with the first polar plate and the second polar plate, wherein the first voltage controller controls the potential difference between the first polar plate and the second polar plate to be a first preset potential difference delta U, the electric quantity variation delta Q between the first polar plate and the second polar plate is detected through the first electric quantity detector, the capacitance value at the moment of the first polar plate and the second polar plate can be obtained according to the electric quantity variation and the first preset potential difference, namely the area of the polar plate is fixed, the change of the capacitance information is only influenced by the change of a dielectric medium, the change condition of the dielectric medium can be determined according to the change of the capacitance information, then the deposit thickness information in the circulation pipeline can be determined according to a data relation table of preset corresponding digital information and deposit thickness information, the determination of the deposit thickness information is further improved, and the corresponding processing is convenient for users.
It should be appreciated by those skilled in the art that the change in voltage can also be detected by controlling the amount of electricity to increase or decrease, so that the capacitance between the first electrode plate and the second electrode plate is determined according to Δq and Δu.
In any of the above technical solutions, preferably, the effective areas of the first electrode plate and the second electrode plate are not smaller than the product of the pipe diameter of the circulation pipeline and the first length, where the first length is the length of the first electrode plate or the second electrode plate along the circulation direction of the circulation pipeline.
In the technical scheme, the effective areas of the first polar plate and the second polar plate are not smaller than the product of the pipe diameter of the circulation pipeline and the length of the first polar plate or the second polar plate along the circulation direction of the circulation pipeline, so that the electric field lines formed between the first polar plate and the second polar plate penetrate through the pipe section of the circulation pipeline to be detected, the effective areas of the first polar plate and the second polar plate completely cover the pipe section of the circulation pipeline to be detected, the accuracy of determining the thickness information of the sediment is improved, and a user can make corresponding processing in time.
In any of the above solutions, preferably, one of the first plate and the second plate is disposed at a bottom of the circulation duct, and the other of the first plate and the second plate is disposed at a top of the circulation duct, and the first plate and the second plate are symmetrical with respect to an axis of the circulation duct.
In the technical scheme, the first polar plate and the second polar plate are symmetrical about the axis of the circulation pipeline and are respectively arranged at the bottom and the top of the circulation pipeline, so that sediment thickness information of sediment easy to accumulate at the bottom of the circulation pipeline can be detected, and the sediment thickness information can be considered as the largest sediment thickness information in the circulation pipeline, and a user can make corresponding cleaning work in time according to the sediment thickness information.
In any of the above technical solutions, preferably, the first polar plate is a metal plate or a PCB plate; the second polar plate is a metal plate or a PCB.
In the technical scheme, the metal plate or the PCB is used as the first polar plate and the second polar plate, corresponding electronic components can be added on the metal plate or the PCB according to practical application environments and application requirements, and meanwhile, wiring is printed between the electronic components, so that different expansion functions are added on the basis of realizing capacitance detection, and the application range of products is improved.
In any of the foregoing solutions, preferably, the capacitance detection module includes: the third polar plate and the fourth polar plate are cooperatively arranged on the same side of the circulation pipeline, so that a scattering field formed between the third polar plate and the fourth polar plate due to an edge effect is scattered to the circulation pipeline; the second voltage controller is electrically connected with the third polar plate and the fourth polar plate, is electrically connected with the microprocessor, and controls the potential difference between the third polar plate and the fourth polar plate to be a second preset potential difference; and the second electric quantity detector is electrically connected with the third polar plate and the fourth polar plate, is electrically connected with the microprocessor, and detects the electric quantity variation of the third polar plate and the fourth polar plate, wherein the third polar plate, the fourth polar plate, the second voltage controller and the second electric quantity detector are integrated on the same PCB plate and are arranged at the bottom of the circulation pipeline.
In the technical scheme, the scattering field formed by the edge effect between the third polar plate and the fourth polar plate scatters to the circulation pipeline, the scattering field can penetrate through sediment in the circulation pipeline, the thickness information of the sediment can influence the scattering field, and further influence the capacitance information between the third polar plate and the fourth polar plate, wherein the potential difference between the third polar plate and the fourth polar plate is controlled to be a second preset potential difference delta U by the second electric quantity detector, the electric quantity change delta Q between the third polar plate and the fourth polar plate is detected by the second electric quantity detector, the capacitance value at the moment of the third polar plate and the fourth polar plate, namely the capacitance information, can be obtained according to the electric quantity change and the second preset potential difference, the area of the polar plate is fixed, the change of the capacitance information is only influenced by the change of a dielectric medium, the change condition of the dielectric medium can be determined according to the change of the capacitance information, then the thickness information of the sediment in the circulation pipeline can be determined according to a preset data relation table of the corresponding digital information and the thickness information of the sediment, the accuracy of the sediment thickness information is further improved, corresponding processing is facilitated for a user, the third polar plate, the fourth polar plate, the second voltage controller and the second electric quantity detector are arranged on the bottom of the same PCB.
In any of the above technical solutions, preferably, the third electrode plate and the fourth electrode plate are rectangular parallelepiped.
In any of the above technical solutions, preferably, the third electrode plate is circular or annular, the fourth electrode plate is annular, and the third electrode plate and the fourth electrode plate are placed in the same plane in concentric annular form.
In the technical scheme, the shapes of the third polar plate and the fourth polar plate can be selected according to actual needs and installation convenience.
In any of the above technical solutions, preferably, a shielding layer is disposed between the third polar plate and the fourth polar plate, a first insulating layer is disposed between the third polar plate and the shielding layer, and a second insulating layer is disposed between the fourth polar plate and the shielding layer.
In the technical scheme, the shielding layer is arranged between the third polar plate and the fourth polar plate, the first insulating layer is arranged between the third polar plate and the shielding layer, and the second insulating layer is arranged between the fourth polar plate and the shielding layer, so that the edge effect of the third polar plate and the fourth polar plate can be increased, the strength of a scattered field can be improved, the change of thickness information of sediment in the outflow pipeline can be detected more accurately, and corresponding processing can be performed by a user in time.
The technical solution of the second aspect of the present invention provides a heat pump system, including: the pipeline sediment detection device according to any one of the technical proposal of the first aspect of the invention; the main control module is connected to the microprocessor and used for controlling operation according to the thickness information of the sediment in the circulation pipeline; the man-machine interface is connected to the main control module to display the thickness information of the sediment; and the memory is connected to the main control module to store deposit thickness information.
In this technical solution, the pipe sediment detection device according to any one of the first aspect of the present invention has the technical effects of any one of the pipe sediment detection devices according to the first aspect of the present invention, which are not described in detail herein, and the main control module connected to the microprocessor can control operation according to sediment thickness information in the circulation pipe, when the sediment thickness is large, the frequency of the compressor is controlled to be reduced, the heating power of the electric heater is reduced, which is beneficial to improving the safety performance of the heat pump system, the sediment thickness information can be displayed to a user through the man-machine interface connected to the main control module, and the operation instruction of the user can be obtained, the operation of the heat pump system is controlled according to the user's requirement, and the sediment thickness information is stored through the memory, which is beneficial to estimating the average deposition accumulation speed according to the history sediment thickness information, and prompting the realization of the cleaning period to the user, and further improving the safety performance of the heat pump system.
The technical scheme of the third aspect of the invention provides an operation control method, which comprises the following steps: acquiring capacitance information in a circulation pipeline; determining deposit thickness information in the flow-through pipeline according to the capacitance information; and determining to operate in a corresponding operation mode or stop operation according to the deposit thickness information.
According to the technical scheme, the sediment thickness information in the circulation pipeline is determined according to the capacitance information by acquiring the capacitance information in the circulation pipeline, so that the sediment thickness information in the circulation pipeline is monitored, the sediment thickness information can be displayed to a user in real time, the operation or stop operation in a corresponding operation mode is determined according to the sediment thickness information, the operation mode of the heat pump system is adjusted according to the sediment thickness information, when the sediment thickness is large, the frequency of the compressor is reduced, the power of the electric heater is reduced, when the sediment thickness reaches a certain degree, the operation is automatically stopped, the heat pump system is locked, the user is prompted to lock the heat pump system, the heat pump system is unlocked after the processing by technicians is required, and the safety performance and the energy saving performance of the heat pump system are improved.
In the above technical solution, preferably, determining to operate or stop operating in the corresponding operation mode according to the deposit thickness information includes: if the sediment thickness information is greater than or equal to a first preset sediment thickness information threshold value, determining to operate in a first operation mode and sending a first cleaning prompt signal; if the sediment thickness information is greater than or equal to a second preset sediment thickness information threshold value, determining to operate in a second operation mode and sending a second cleaning prompt signal; if the sediment thickness information is greater than or equal to a third preset sediment thickness information threshold, determining to stop operation and sending out a third cleaning prompt signal, wherein the second preset sediment thickness information threshold is greater than the first preset sediment thickness information threshold, and the third preset sediment thickness information threshold is greater than the second preset sediment thickness information threshold.
In the technical scheme, when the sediment thickness information is greater than or equal to a first preset sediment thickness information threshold value, the heat pump system is determined to operate in a first operation mode and send out a first cleaning prompt signal, when the sediment thickness information is greater than or equal to a second preset sediment thickness information threshold value, the heat pump system is determined to operate in a second operation mode and send out a second cleaning prompt signal, and when the sediment thickness information is greater than or equal to a third preset sediment thickness information threshold value, the heat pump system is determined to stop operation, so that the operation mode of the heat pump system is further adjusted according to the sediment thickness, and the safety performance and the energy saving performance of the heat pump system are improved.
The compressor frequency of the second operation mode is smaller than that of the first operation mode, the electric heating power of the second operation mode is smaller than that of the first operation mode, after the operation in the corresponding operation mode is determined, a user can manually adjust the operation mode which is lower than that of the operation mode and the electric heating power, but the operation mode can not be exceeded, the first preset deposit thickness information threshold value is 0.2cm, the second preset deposit thickness information threshold value is 0.3cm, and the third preset deposit thickness information threshold value is 0.4cm.
In any one of the above embodiments, preferably, after determining the deposit thickness information in the circulation line according to the capacitance information, the method further includes: storing the deposit thickness information to form a deposit thickness information set; and determining the cleaning period of the corresponding position according to the deposit thickness information set.
In the technical proposal, the average accumulation speed of the sediment can be analyzed according to the stored sediment thickness information set, thereby determining the cleaning period of the corresponding position of the heat pump system, being beneficial to the timely cleaning of users, improving the accuracy of the determination of the cleaning period,
in any of the above solutions, preferably, determining the cleaning cycle of the corresponding location according to the set of deposit thickness information includes: analyzing the deposit thickness information in the deposit thickness information set, and determining the average deposit stacking speed; determining a cleaning period of a water level switch probe or a water level switch floater according to the average deposit accumulation speed, and sending a fourth cleaning prompt signal; determining a cleaning period of the electric heater according to the average deposit accumulation speed, and sending out a fifth cleaning prompt signal; and determining the cleaning period of the water tank according to the average deposit accumulation speed, and sending a sixth cleaning prompt signal.
In the technical scheme, the deposit thickness information set is analyzed, the cleaning period of the water level switch probe, the water level switch floater, the electric heater and the water tank is determined, and the accuracy of the cleaning period determination is improved, so that on one hand, a user can clean the heat pump system in time, the safety performance of the heat pump system is improved, and on the other hand, the resource waste caused by too frequent cleaning is reduced.
A fourth aspect of the present invention proposes a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the operation control method of any one of the aspects of the third aspect of the present invention.
In this technical solution, the computer readable storage medium stores a computer program thereon, where the computer program when executed by the processor implements the steps of any one of the operation control methods set forth in the technical solution of the third aspect of the present invention, so that all the beneficial effects of any one of the operation control methods set forth in the technical solution of the third aspect of the present invention are provided, and are not described herein again.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 shows a schematic configuration of a pipe sediment detection device according to an embodiment of the present invention;
FIG. 2 shows a schematic diagram of a heat pump system according to one embodiment of the invention;
figure 3 shows a schematic flow chart of an operation control method according to one embodiment of the invention,
the correspondence between the reference numerals and the components in fig. 1 and 2 is:
102 flow-through pipelines, 104 capacitance detection modules, 106 microprocessors, 108 sediments, 110 main control modules, 112 human-computer interfaces, 114 memories.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Example 1
As shown in fig. 1, a pipe sediment detection device according to an embodiment of the present invention includes: the capacitance detection module 104 is arranged in cooperation with the circulation pipeline 102 to detect capacitance information in the circulation pipeline 102; the microprocessor 106 is electrically connected to the capacitance detection module 104, and is configured to determine thickness information of the deposit 108 in the flow-through pipeline 102 according to the capacitance information.
In this embodiment, the capacitance detection module 104 is matched with the circulation pipeline 102 to detect the capacitance information in the circulation pipeline 102, the microprocessor 106 is electrically connected with the capacitance detection module 104 to determine the thickness information of the sediment 108 in the circulation pipeline 102 according to the capacitance information, detection of the thickness information of the sediment 108 in the circulation pipeline 102 is achieved, wherein the difference in thickness of the sediment 108 in the circulation pipeline 102 can cause the difference in capacitance in the circulation pipeline 102, namely, when the thickness of a dielectric medium is changed from d0 to d1, the capacitance information detected by the capacitance detection module 104 is different, and then the capacitance information can be used for determining the thickness information of the sediment 108, when the capacitance information in the circulation pipeline 102 is obtained, the microprocessor 106 converts the capacitance information into digital information, and a data relation table corresponding to the preset digital information and the thickness information of the sediment 108 is used for determining the thickness information of the sediment 108 in the circulation pipeline 102, so that a user can make relevant processing according to the thickness information of the sediment 108 in time, meanwhile, determination accuracy of the thickness information of the sediment 108 in the circulation pipeline 102 is improved, wherein the preset digital information and the corresponding relation table is changed from d0 to d1, the capacitance information can be further determined according to the capacitance information, the capacitance information can be directly determined by the capacitance information, and the capacitance information is further, the capacitance information can be directly determined by the capacitance information, and the capacitance information is simply by using the capacitance information, and the capacitance information is not being modeled by the capacitance information, and the capacitance information is determined by the capacitance information.
In addition, the pipeline sediment detection device provided by the invention can be arranged at a plurality of installation positions on the pipeline to be detected, and the obtained capacitance information of each position or the determined sediment 108 thickness information of each position is subjected to weighted average operation to be used as the sediment 108 thickness information of the whole pipeline to be detected, so that the accuracy of determining the sediment 108 thickness information can be further improved.
Example 2
The capacitance detection module 104 includes: the first polar plate and the second polar plate are cooperatively arranged at opposite sides of the circulation pipeline 102, and are close to the outer pipe wall of the circulation pipeline 102; the first voltage controller is electrically connected with the first polar plate and the second polar plate, and is electrically connected with the microprocessor 106, and the voltage controller controls the potential difference between the first polar plate and the second polar plate to be a first preset potential difference; the first electric quantity detector is electrically connected with the first polar plate and the second polar plate, and the electric quantity detector is electrically connected with the microprocessor 106 and detects the electric quantity variation of the first polar plate and the second polar plate.
In this embodiment, the detection of the capacitance information in the circulation pipeline 102 is achieved through the first polar plate and the second polar plate which are oppositely matched and arranged at the position close to the outer pipe wall of the circulation pipeline 102, and the first voltage controller which is electrically connected with the first polar plate and the second polar plate, and the first electric quantity detector which is electrically connected with the first polar plate and the second polar plate, wherein the first voltage controller controls the potential difference between the first polar plate and the second polar plate to be a first preset potential difference deltau, the electric quantity change quantity deltaq between the first polar plate and the second polar plate is detected by the first electric quantity detector, the capacitance value at the moment of the first polar plate and the second polar plate, namely the capacitance information, can be obtained according to the electric quantity change quantity and the first preset potential difference, the change of the capacitance information is only influenced by the change of the dielectric medium, the change condition of the dielectric medium can be determined according to the change of the capacitance information, then the thickness information of the sediment 108 in the circulation pipeline 102 can be determined according to the preset data relation table of corresponding digital information and the thickness information of the sediment 108, the thickness information can be further improved, and the corresponding accurate processing of the sediment 108 can be determined in time is facilitated for users.
It should be appreciated by those skilled in the art that the change in voltage can also be detected by controlling the amount of electricity to increase or decrease, so that the capacitance between the first electrode plate and the second electrode plate is determined according to Δq and Δu.
In any of the above embodiments, the effective areas of the first plate and the second plate are preferably not smaller than the product of the pipe diameter of the flow channel 102 and the first length, wherein the first length is the length of the first plate or the second plate along the flow direction of the flow channel 102.
In this embodiment, by making the effective areas of the first electrode plate and the second electrode plate not smaller than the product of the pipe diameter of the circulation pipeline 102 and the length of the first electrode plate or the second electrode plate along the circulation direction of the circulation pipeline 102, the electric field lines formed between the first electrode plate and the second electrode plate can pass through the pipe section of the circulation pipeline 102 to be detected, and the effective areas of the first electrode plate and the second electrode plate all cover the pipe section of the circulation pipeline 102 to be detected, so that accuracy of determining thickness information of the deposit 108 is improved, and a user can make corresponding processing in time.
In any of the above embodiments, preferably, one of the first plate and the second plate is disposed at the bottom of the flow conduit 102, and the other of the first plate and the second plate is disposed at the top of the flow conduit 102, the first plate and the second plate being symmetrical about the axis of the flow conduit 102.
In this embodiment, the first electrode plate and the second electrode plate are symmetrically disposed on the bottom and the top of the circulation pipeline 102 with respect to the axis of the circulation pipeline 102, so that the thickness information of the sediment 108 at the position where the sediment 108 is easily accumulated on the bottom of the circulation pipeline 102 can be detected, and the thickness information of the sediment 108 can be considered as the maximum thickness information of the sediment 108 in the circulation pipeline 102, and according to the thickness information of the sediment 108, the user can perform corresponding cleaning work in time.
In any of the foregoing embodiments, preferably, the first polar plate is a metal plate or a PCB plate; the second polar plate is a metal plate or a PCB.
In the embodiment, the metal plate or the PCB is used as the first polar plate and the second polar plate, corresponding electronic components can be added on the metal plate or the PCB according to practical application environments and application requirements, and meanwhile, wiring is printed between the electronic components, so that different expansion functions are added on the basis of realizing capacitance detection, and the application range of products is improved.
Example 3
The capacitance detection module 104 includes: the third polar plate and the fourth polar plate are cooperatively arranged on the same side of the circulation pipeline 102, so that a scattering field formed between the third polar plate and the fourth polar plate due to the edge effect is scattered to the circulation pipeline 102; the second voltage controller is electrically connected with the third polar plate and the fourth polar plate, is electrically connected with the microprocessor 106, and controls the potential difference between the third polar plate and the fourth polar plate to be a second preset potential difference; and the second electric quantity detector is electrically connected with the third polar plate and the fourth polar plate, is electrically connected with the microprocessor 106, and detects the electric quantity variation of the third polar plate and the fourth polar plate, wherein the third polar plate, the fourth polar plate, the second voltage controller and the second electric quantity detector are integrated on the same PCB board and are arranged at the bottom of the circulation pipeline 102.
In this embodiment, the scattered field formed by the edge effect between the third polar plate and the fourth polar plate scatters to the circulation pipeline 102, the scattered field can penetrate through the sediment 108 in the circulation pipeline 102, the thickness information of the sediment 108 can affect the scattered field, and further affect the capacitance information between the third polar plate and the fourth polar plate, wherein the second voltage controller controls the potential difference between the third polar plate and the fourth polar plate to be a second preset potential difference deltau, the second electric quantity detector detects the electric quantity variation deltaq between the third polar plate and the fourth polar plate, the capacitance value at the moment of the third polar plate and the fourth polar plate can be obtained according to the electric quantity variation and the second preset potential difference, namely the capacitance information, the area of the electrode plates is fixed, the variation of the capacitance information is only affected by the variation of the dielectric, the variation condition of the dielectric can be determined according to the variation of the capacitance information, then the thickness information of the sediment 108 in the pipeline 102 can be determined according to a preset data relation table of the corresponding digital information and the thickness information of the sediment 108, the accuracy of the thickness information determination of the sediment 108 is further improved, the user can be facilitated, the corresponding process is convenient to install the third electric quantity detector, the fourth electric quantity detector and the fourth polar plate is convenient to detect the same with the second electric quantity, and the fourth polar plate is arranged on the bottom of the integrated circuit, and the integrated circuit is arranged on the bottom board 104.
In any of the above embodiments, preferably, the third plate and the fourth plate are rectangular parallelepiped.
In any of the above embodiments, preferably, the third electrode plate is circular or annular, the fourth electrode plate is annular, and the third electrode plate and the fourth electrode plate are disposed in the same plane in concentric annular form.
In this embodiment, the shapes of the third plate and the fourth plate may be selected according to actual needs and installation convenience.
In any of the above embodiments, preferably, a shielding layer is disposed between the third electrode plate and the fourth electrode plate, a first insulating layer is disposed between the third electrode plate and the shielding layer, and a second insulating layer is disposed between the fourth electrode plate and the shielding layer.
In this embodiment, the shielding layer is disposed between the third polar plate and the fourth polar plate, the first insulating layer is disposed between the third polar plate and the shielding layer, and the second insulating layer is disposed between the fourth polar plate and the shielding layer, so that the edge effect of the third polar plate and the fourth polar plate can be increased, the strength of the scattered field can be improved, the change of the thickness information of the sediment 108 in the outflow pipeline 102 can be detected more accurately, and the corresponding processing can be performed by a user in time.
Example 4
As shown in fig. 2, a heat pump system according to an embodiment of the present invention includes: the pipe sediment detection device according to any one of the above embodiments of the present invention; a main control module 110 connected to the microprocessor 106 for controlling operation according to the thickness information of the deposit 108 in the flow-through pipeline 102; a man-machine interface 112 connected to the main control module 110 for displaying thickness information of the deposit 108; the memory 114 is connected to the main control module 110 to store the thickness information of the deposit 108.
In this embodiment, the pipe sediment detection device according to any one of the embodiments of the present invention is not described in detail herein, and the main control module 110 connected to the microprocessor 106 can control operation according to the thickness information of the sediment 108 in the circulation pipe 102, when the thickness of the sediment 108 is large, the frequency of the compressor is controlled to be reduced, the heating power of the electric heater is reduced, which is beneficial to improving the safety performance of the heat pump system, the thickness information of the sediment 108 can be displayed to the user through the man-machine interface 112 connected to the main control module 110, the operation instruction of the user can be obtained, the operation of the heat pump system can be controlled according to the requirement of the user, the thickness information of the sediment 108 can be stored through the memory 114, which is beneficial to estimating the average deposition speed according to the thickness information of the sediment 108, and is beneficial to prompt the realization of the cleaning period to the user, and the safety performance of the heat pump system is further improved.
Example 5
As shown in fig. 3, the operation control method according to an embodiment of the present invention includes: step S302, capacitance information in a circulation pipeline is obtained; step S304, determining thickness information of the sediment 108 in the circulation pipeline according to the capacitance information; step S306, according to the thickness information of the sediment 108, the operation in a corresponding operation mode or the operation stop is determined.
In this embodiment, by acquiring the capacitance information in the circulation pipeline, determining the thickness information of the sediment 108 in the circulation pipeline according to the capacitance information, monitoring the thickness information of the sediment 108 in the circulation pipeline is realized, the thickness information of the sediment 108 can be displayed to a user in real time, the operation or stop operation in a corresponding operation mode is determined according to the thickness information of the sediment 108, the operation mode of the heat pump system is adjusted according to the thickness information of the sediment 108, when the thickness of the sediment 108 is large, the frequency of the compressor is reduced, the power of the electric heater is reduced, when the thickness of the sediment 108 reaches a certain degree, the operation is automatically stopped, the heat pump system is locked, the user is prompted to lock the heat pump system, the unlocking after the processing by technicians is required, and the safety performance and the energy saving performance of the heat pump system are improved.
In the above embodiment, it is preferable that determining to operate or stop operating in the corresponding operation mode based on the deposit 108 thickness information includes: if the thickness information of the deposit 108 is greater than or equal to a first preset thickness information threshold of the deposit 108, determining to operate in a first operation mode and sending a first cleaning prompt signal; if the thickness information of the deposit 108 is greater than or equal to a second preset thickness information threshold of the deposit 108, determining to operate in a second operation mode and sending a second cleaning prompt signal; if the thickness information of the deposit 108 is greater than or equal to the third preset thickness information threshold of the deposit 108, determining to stop operation and sending out a third cleaning prompt signal, wherein the second preset thickness information threshold of the deposit 108 is greater than the first preset thickness information threshold of the deposit 108, and the third preset thickness information threshold of the deposit 108 is greater than the second preset thickness information threshold of the deposit 108.
In this embodiment, by determining that the heat pump system operates in the first operation mode and sending the first cleaning prompt signal when the thickness information of the deposit 108 is greater than or equal to the first preset thickness information threshold of the deposit 108, determining that the heat pump system operates in the second operation mode and sending the second cleaning prompt signal when the thickness information of the deposit 108 is greater than or equal to the second preset thickness information threshold of the deposit 108, and determining to stop operation when the thickness information of the deposit 108 is greater than or equal to the third preset thickness information threshold of the deposit 108, the operation mode of the heat pump system is further adjusted according to the thickness of the deposit 108 is further realized, and safety performance and energy saving performance of the heat pump system are improved.
Wherein the compressor frequency of the second operation mode is smaller than the compressor frequency of the first operation mode, the electric heating power of the second operation mode is smaller than the electric heating power of the first operation mode, after determining to operate in the corresponding operation mode, a user can manually adjust the operation mode which is lower than both the compressor frequency and the electric heating power of the operation mode, but cannot exceed the compressor frequency and the electric heating power of the operation mode, the first preset deposit 108 thickness information threshold value is 0.2cm, the second preset deposit 108 thickness information threshold value is 0.3cm, and the third preset deposit 108 thickness information threshold value is 0.4cm.
In any of the above embodiments, preferably, after determining the thickness information of the deposit 108 in the circulation line according to the capacitance information, the method further includes: storing the deposit 108 thickness information to form a set of deposit 108 thickness information; from the set of deposit 108 thickness information, a cleaning cycle is determined for the corresponding location.
In this embodiment, the average deposition rate of the deposit 108 can be analyzed according to the stored thickness information set of the deposit 108, so that the cleaning period of the corresponding position of the heat pump system can be determined, the cleaning is facilitated for the user in time, and the accuracy of the cleaning period determination is improved,
in any of the above embodiments, preferably, determining the cleaning cycle for the corresponding location based on the set of deposit 108 thickness information includes: analyzing the thickness information of the sediment 108 in the thickness information set of the sediment 108 to determine the average stacking speed of the sediment 108; determining a cleaning period of a water level switch probe or a water level switch floater according to the average accumulation speed of the sediment 108, and sending a fourth cleaning prompt signal; determining a cleaning period of the electric heater according to the average accumulation speed of the sediment 108, and sending out a fifth cleaning prompt signal; the cleaning cycle of the tank is determined based on the average deposit 108 build-up rate and a sixth cleaning cue signal is sent.
In this embodiment, the thickness information set of the sediment 108 is analyzed, and the cleaning period of the water level switch probe, the water level switch floater, the electric heater and the water tank is determined, so that the accuracy of determining the cleaning period is improved, on one hand, a user can clean the heat pump system in time, the safety performance of the heat pump system is improved, and on the other hand, the resource waste caused by too frequent cleaning is reduced.
Example 6
A computer-readable storage medium according to an embodiment of the present invention has stored thereon a computer program which, when executed by a processor, implements the steps of the operation control method according to any one of the above embodiments of the present invention.
In this embodiment, the computer-readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the operation control method according to any one of the above embodiments of the present invention, and thus has all the advantages of the operation control method according to any one of the above embodiments of the present invention, which are not described in detail herein.
The technical scheme of the invention is described in detail with reference to the drawings, and the invention provides the pipeline sediment 108 detection device, the heat pump system and the operation control method, which can accurately detect the thickness of sediment 108 in a pipeline by matching with the change of capacitance information detected by the capacitance detection module arranged on a circulating pipeline, automatically adjust the corresponding operation mode according to the thickness of the sediment 108, prompt a user to clean in time and improve the safety performance of the heat pump system.
The steps in the method can be sequentially adjusted, combined and deleted according to actual needs.
The units in the device can be combined, divided and deleted according to actual needs.
Those of ordinary skill in the art will appreciate that all or part of the steps of the various methods of the above embodiments may be implemented by a program that instructs associated hardware, the program may be stored in a computer readable storage medium including Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), programmable Read-Only Memory (Programmable Read-Only Memory, PROM), erasable programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), one-time programmable Read-Only Memory (OTPROM), electrically erasable programmable Read-Only Memory (EEPROM), compact disc Read-Only Memory (Compact Disc Read-Only Memory, CD-ROM) or other optical disk Memory, magnetic disk Memory, tape Memory, or any other medium that can be used for carrying or storing data that is readable by a computer.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An operation control method, characterized by being applied to a heat pump system, the heat pump system comprising: a pipeline sediment detection device;
the main control module is connected to the microprocessor and used for controlling operation according to the thickness information of the sediment in the circulation pipeline;
the man-machine interface is connected to the main control module to display the sediment thickness information;
the memory is connected to the main control module to store the sediment thickness information;
the pipeline sediment detection device comprises:
the capacitance detection module is matched with the circulation pipeline to detect capacitance information in the circulation pipeline;
the microprocessor is electrically connected with the capacitance detection module and is used for determining sediment thickness information in the circulation pipeline according to the capacitance information;
the capacitance detection module includes:
the first polar plate and the second polar plate are matched and arranged on opposite sides of the circulation pipeline, and the first polar plate and the second polar plate are close to the outer pipe wall of the circulation pipeline;
the first voltage controller is electrically connected with the first polar plate and the second polar plate, and is electrically connected with the microprocessor, and the voltage controller controls the potential difference between the first polar plate and the second polar plate to be a first preset potential difference;
The first electric quantity detector is electrically connected with the first polar plate and the second polar plate, and is electrically connected with the microprocessor, and the first electric quantity detector detects electric quantity variation of the first polar plate and the second polar plate;
the effective areas of the first polar plate and the second polar plate are not smaller than the product of the pipe diameter of the circulation pipeline and a first length, wherein the first length is the length of the first polar plate or the second polar plate along the circulation direction of the circulation pipeline;
one of the first polar plate and the second polar plate is arranged at the bottom of the circulation pipeline, the other of the first polar plate and the second polar plate is arranged at the top of the circulation pipeline, and the first polar plate and the second polar plate are symmetrical relative to the axis of the circulation pipeline;
or, the capacitance detection module includes:
the third polar plate and the fourth polar plate are cooperatively arranged on the same side of the circulation pipeline, so that a scattering field formed between the third polar plate and the fourth polar plate due to an edge effect is scattered to the circulation pipeline;
the second voltage controller is electrically connected with the third polar plate and the fourth polar plate, and is electrically connected with the microprocessor, and the voltage controller controls the potential difference between the third polar plate and the fourth polar plate to be a second preset potential difference;
A second electric quantity detector electrically connected with the third polar plate and the fourth polar plate, the second electric quantity detector is electrically connected with the microprocessor, the second electric quantity detector detects the electric quantity variation of the third polar plate and the fourth polar plate,
the third polar plate, the fourth polar plate, the second voltage controller and the second electric quantity detector are integrated on the same PCB and are arranged at the bottom of the circulation pipeline;
the operation control method comprises the following steps:
acquiring capacitance information in the circulation pipeline;
determining deposit thickness information in the circulation pipeline according to the capacitance information;
and determining to operate in a corresponding operation mode or stop operation according to the deposit thickness information.
2. The operation control method according to claim 1, wherein the first electrode plate is a metal plate or a PCB plate;
the second polar plate is a metal plate or a PCB.
3. The operation control method according to claim 1, characterized in that,
the third polar plate and the fourth polar plate are cuboid.
4. The operation control method according to claim 1, characterized in that,
the third polar plate is round or annular, the fourth polar plate is annular, and the third polar plate and the fourth polar plate are placed in the same plane in a concentric annular mode.
5. The operation control method according to claim 3 or 4, characterized in that,
a shielding layer is arranged between the third polar plate and the fourth polar plate, a first insulating layer is arranged between the third polar plate and the shielding layer, and a second insulating layer is arranged between the fourth polar plate and the shielding layer.
6. The operation control method according to claim 1, wherein the determining to operate or stop operating in the corresponding operation mode based on the deposit thickness information includes:
if the sediment thickness information is greater than or equal to a first preset sediment thickness information threshold value, determining to operate in a first operation mode, and sending a first cleaning prompt signal;
if the sediment thickness information is greater than or equal to a second preset sediment thickness information threshold value, determining to operate in a second operation mode, and sending a second cleaning prompt signal;
if the sediment thickness information is larger than or equal to a third preset sediment thickness information threshold value, determining to stop operation and sending a third cleaning prompt signal,
the second preset sediment thickness information threshold is larger than the first preset sediment thickness information threshold, and the third preset sediment thickness information threshold is larger than the second preset sediment thickness information threshold.
7. The operation control method according to claim 1, characterized by further comprising, after said determining deposit thickness information in said circulation line based on said capacitance information:
storing the deposit thickness information to form a deposit thickness information set;
and determining the cleaning period of the corresponding position according to the deposit thickness information set.
8. The operation control method according to claim 7, wherein the determining the cleaning cycle of the corresponding position from the deposit thickness information set includes:
analyzing the sediment thickness information in the sediment thickness information set, and determining the average sediment accumulation speed;
determining a cleaning period of a water level switch probe or a water level switch floater according to the average deposit accumulation speed, and sending a fourth cleaning prompt signal;
determining the cleaning period of the electric heater according to the average deposit accumulation speed, and sending out a fifth cleaning prompt signal;
and determining the cleaning period of the water tank according to the average deposit accumulation speed, and sending a sixth cleaning prompt signal.
9. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the operation control method according to any one of claims 1 to 8.
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| CN114112898B (en) * | 2021-10-14 | 2024-04-02 | 吉林大学 | Method for measuring adhesion of barnacle on surface of marine antifouling coating |
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