CN114262001B - Water purifier and noise monitoring method thereof - Google Patents
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- CN114262001B CN114262001B CN202111495092.1A CN202111495092A CN114262001B CN 114262001 B CN114262001 B CN 114262001B CN 202111495092 A CN202111495092 A CN 202111495092A CN 114262001 B CN114262001 B CN 114262001B
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Abstract
The invention discloses a water purifier and a noise monitoring method thereof, wherein the noise monitoring method of the water purifier comprises the following steps: acquiring noise information acquired by a sound acquisition device and preset background noise; when a preset noise condition is met between the noise information and the background noise, determining that the noise information is valid; the method comprises the steps of obtaining working parameters of a power component related to noise abnormity, and uploading the working parameters, noise information and background noise to a background server so that the background server can analyze fault types according to the working parameters, the noise information and the background noise of the power component related to the noise abnormity. According to the invention, the collected working parameters, noise information and background noise are correlated and uploaded to the background server, so that the fault type of noise abnormity generated by the water purifier can be analyzed, the accuracy of the collected noise data is improved, and the accuracy and the efficiency of subsequent fault analysis are improved.
Description
Technical Field
The invention relates to the technical field of noise monitoring of water purifiers, in particular to a water purifier and a noise monitoring method thereof.
Background
Along with the increasing demand of healthy water for people, the application of the water purifier is more and more common. However, the water purifier is easy to generate noise in the operation process, and the part where the noise is generated is generally concentrated in the water purifier, so that a user cannot visually monitor the source of the noise, and cannot obtain accurate data related to the noise, and further cannot accurately judge the reason of the noise fault of the water purifier.
Disclosure of Invention
The invention mainly aims to provide a water purifier and a noise monitoring method thereof, and aims to solve the problem that a traditional water purifier cannot accurately monitor noise data.
In order to achieve the above object, the present invention provides a noise monitoring method for a water purifier, where the water purifier includes a casing, a sound collection device and a power device, the sound collection device includes a first sound collection component and a second sound collection component respectively disposed inside and outside the casing, and the power device includes multiple power components disposed inside the casing;
the noise monitoring method of the water purifier comprises the following steps:
acquiring noise information acquired by a sound acquisition device and preset background noise;
when a preset noise condition is met between the noise information and the background noise, determining that the noise information is valid;
the method comprises the steps of obtaining working parameters of a power component related to noise abnormity, and uploading the working parameters, noise information and background noise to a background server so that the background server can analyze fault types according to the working parameters, the noise information and the background noise of the power component related to the noise abnormity.
Optionally, before the step of acquiring the noise information acquired by the sound acquisition device and the preset background noise, the method further includes:
acquiring near-field noise information acquired by the first sound acquisition part;
acquiring preset calibrated near-field noise;
and when the difference value between the near field noise information and the calibrated near field noise is not less than a first threshold value, determining that the noise of the water purifier is abnormal.
Optionally, the water purifier further comprises a vibration sensor arranged corresponding to the power device;
before the step of obtaining the noise information and the preset background noise that the sound collection device gathered, still include:
acquiring vibration information acquired by the vibration sensor;
acquiring preset calibration vibration information;
and when the difference value between the vibration information and the calibrated vibration information is not less than a second threshold value, determining that the noise of the water purifier is abnormal.
Optionally, the vibration sensor is an accelerometer;
the step of acquiring the vibration information collected by the vibration sensor comprises the following steps:
acquiring vibration acceleration sensed by the vibration sensor;
after integral conversion is carried out on the vibration acceleration, the vibration speed is obtained;
and calculating a vibration speed level according to the vibration speed and a preset relational expression between the vibration speed and the vibration speed level, wherein the vibration speed level forms the vibration information.
Optionally, the preset relation is as follows:
LV1＝10*lg(V1 2 /V0 2 )，
wherein LV1 is the vibration velocity level, V1 is the vibration velocity, and V0 is a reference vibration velocity 5 × 10 -8 m/s。
Optionally, after the step of obtaining the preset calibrated vibration information, the method further includes:
when the difference value between the vibration information and the calibrated vibration information is smaller than a second threshold value, acquiring near-field noise information acquired by the first sound acquisition part and preset calibrated near-field noise;
and when the difference value between the near field noise information and the calibrated near field noise is not less than a first threshold value, determining that the noise of the water purifier is abnormal.
Optionally, the step of acquiring noise information collected by the sound collection device and preset background noise includes:
acquiring the current working state of the water purifier;
and when the water purifier is determined to be in a set working state at present, acquiring noise information acquired by a sound acquisition device and preset background noise.
Optionally, the noise information includes near-field noise information collected by the first sound collection component and environmental noise information collected by the second sound collection component, and the background noise includes corresponding near-field background noise and environmental background noise;
when a preset noise condition is satisfied between the noise information and the background noise, the step of determining that the noise information is valid includes:
and when the difference value between the near-field noise information and the near-field background noise meets a third threshold value and the difference value between the environmental noise information and the environmental background noise meets a fourth threshold value, determining that the noise information is effective.
Optionally, before the step of acquiring the noise information acquired by the sound acquisition device and the preset background noise, the method further includes:
when the water purifier stops running, acquiring a plurality of noises acquired by the sound acquisition device according to a set period;
and sequencing the plurality of noises in sequence according to the sound pressure, and determining the noise with the minimum sound pressure as background noise.
Optionally, the plurality of power components comprises a booster pump and a solenoid valve;
the operating parameters include an inlet side pressure of the booster pump and an inlet side pressure of the solenoid valve.
In addition, to achieve the above object, the present invention further provides a water purifier, including:
the sound collection device comprises a first sound collection component and a second sound collection component which are respectively arranged inside and outside the shell, the power device comprises a plurality of power components arranged in the shell, and the plurality of power components comprise a booster pump and an electromagnetic valve; and the number of the first and second groups,
the control device is electrically connected with the sound acquisition device and the power device respectively, and comprises a memory, a processor and a noise monitoring program of the water purifier, wherein the noise monitoring program of the water purifier is stored in the memory and can run on the processor, and the noise monitoring program of the water purifier is configured to realize the steps of the noise monitoring method of the water purifier.
Optionally, both the first sound collection part and the second sound collection part are sound level meters;
the machine body further comprises a vibration sensor arranged at the power device.
Optionally, the machine body further comprises a mounting plate arranged in the casing, and of the plurality of power components, at least the booster pump is integrated on the mounting plate;
the organism still includes vibration sensor, vibration sensor is close to the geometric centre setting of mounting panel.
Optionally, the vibration sensor is an accelerometer.
Optionally, the machine body further comprises a water tap at least partially exposed outside the machine shell;
the second sound collecting component is arranged at the position of the water tap exposed outside the shell.
According to the technical scheme provided by the invention, the first sound acquisition part is arranged in the shell and can acquire noise information in the shell of the water purifier, and the second sound acquisition part is arranged outside the shell and can acquire background noise of the environment where the water purifier is located; because the noise information comprises noise sources generated by each functional component in the casing and interference noise generated when the background noise is transmitted into the casing, the noise information and the background noise are compared and analyzed, and when the noise information and the background noise meet a preset noise condition, the influence of the interference noise can be eliminated, so that the noise information can be determined to be effective, namely the noise generated in the water purifier is determined to be abnormal; through the working parameter of gathering the power part that is relevant with the noise anomaly, and the working parameter that will gather, noise information and background noise are correlated and are uploaded to backend server, can supply backend server according to above-mentioned working parameter, noise information and background noise, the trouble type that the analysis produced the noise anomaly of purifier, help improving the accuracy of the noise data of gathering, acquire the first hand noise data of purifier and relevant power device's working parameter, thereby help improving follow-up fault analysis's accuracy and high efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic main structural diagram of an embodiment of a water purifier provided in the present invention;
FIG. 2 is a hardware diagram illustrating an operating environment of a control device of the water purifier according to the present invention;
FIG. 3 is a schematic flow chart illustrating a noise monitoring method for a water purifier according to a first embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a noise monitoring method for a water purifier according to a second embodiment of the present invention;
FIG. 5 is a schematic flow chart illustrating a noise monitoring method for a water purifier according to a third embodiment of the present invention;
FIG. 6 is a schematic flow chart illustrating a fourth embodiment of a noise monitoring method for a water purifier according to the present invention;
fig. 7 is a schematic flow chart of a fifth embodiment of a noise monitoring method for a water purifier according to the present invention;
fig. 8 is a schematic flow chart of a noise monitoring method for a water purifier according to a sixth embodiment of the present invention;
FIG. 9 is a schematic flow chart illustrating a noise monitoring method for a water purifier according to a seventh embodiment of the present invention;
fig. 10 is a schematic flow chart illustrating an eighth embodiment of a noise monitoring method for a water purifier according to the present invention;
FIG. 11 is a schematic diagram of a control logic for determining noise abnormality according to an embodiment of the noise monitoring method for a water purifier of the present invention;
fig. 12 is a schematic diagram illustrating a control logic of noise uploading in an embodiment of a noise monitoring method for a water purifier according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 100 | |
150 | |
| 110 | Casing (CN) | 200 | |
| 120 | |
210 | Processor with a memory having a plurality of |
| 121 | First |
220 | Communication bus |
| 122 | Second |
230 | |
| 130 | |
240 | |
| 140 | |
250 | Memory device |
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Along with the increasing demand of healthy water for people, the application of the water purifier is more and more common. However, the water purifier is easy to generate noise in the operation process, and the part where the noise is generated is generally concentrated in the water purifier, so that a user cannot visually monitor the source of the noise, and cannot obtain accurate data related to the noise, and further cannot accurately judge the reason of the noise fault of the water purifier.
In view of the above, the present invention provides a water purifier, referring to fig. 1 to 2, which show an embodiment of the water purifier provided by the present invention.
Referring to fig. 1 to 2, the water purifier provided by the present invention includes a body 100 and a control device 200. The machine body 100 comprises a machine shell 110, a sound collection device 120 and a power device 130, wherein the sound collection device 120 comprises a first sound collection part 121 and a second sound collection part 122 which are respectively arranged inside and outside the machine shell 110, the power device 130 comprises a plurality of power parts arranged inside the machine shell 110, and the plurality of power parts comprise a booster pump and an electromagnetic valve; the control device 200 is electrically connected to the sound collection device 120 and the power device 130, respectively, the control device 200 includes a memory 250, a processor 210, and a noise monitoring program of the water purifier stored in the memory 250 and operable on the processor 210, and the noise monitoring program of the water purifier is configured to implement the noise monitoring method of the water purifier.
It will be appreciated that the housing 110 may be of any suitable size, shape and material, for example, the overall housing may be generally rectangular and extend in an up-and-down direction. The housing 110 may be used to be fixedly installed at, for example, a wall or a cabinet; alternatively, the housing 110 may be configured to be movable, capable of moving on a wall or a floor, and the like.
The machine body 100 comprises a casing 110 and functional components capable of realizing the set functions of the water purifier, wherein the functional components are arranged in the casing 110 or at least partially exposed outside the casing 110; each of the functional components includes, for example, a water purifying assembly, a water discharging assembly, a washing assembly, a power device 130, and the like. In one embodiment, the water outlet assembly comprises at least one pipe and at least one water tap 150 communicated with the pipe, wherein the pipe can be arranged in any suitable shape, length and the like according to actual needs; the water purification component comprises a filter element, granular activated carbon, PP cotton and the like; the cleaning assembly can clean functional components such as a filter element; the power device 130 includes a plurality of power components, such as various valve bodies required by a booster pump and a water purifier.
Specifically, while the water purifier is operating, the main source of noise generation is concentrated at the power plant 130, for example at the booster pumps and various types of solenoid valves: it can be understood that with the increase of water consumption in the water purifier, impurities and the like possibly carried by an external water source are easy to cause the blockage of the filter element and the waste water valve, and then the load pressure of the booster pump is increased, so that the booster pump gradually generates abnormal sound and causes the problems of noise deterioration and the like; in addition, the blockage of the valve body can also generate noise, and when functional components in the water purifier are in failure, the electromagnetic valve communicated with the water purifier is easy to cause working condition abnormity, and the like, and the noise can also be generated.
The body 100 further comprises a sound collection device 120, and the sound collection device 120 can be used for collecting noise data of the environment. The noise generally refers to sound which causes dysphoria or is too loud and harmful to human health, and particularly affects the hearing health of a user, and may further adversely affect the cardiovascular system, nervous system and endocrine system of the human. The noise may be a sound that can be heard by a human body or a sound that cannot be heard by a human body but is really harmful to human health. The sound collecting device 120 can be set as a device for collecting sounds with a desired frequency, a desired timbre, a desired loudness, and a desired tone according to actual needs, and the concrete representation form is not limited, and the sound collecting device can be various products such as a sensor capable of collecting sound data, for example, a sound level meter.
Further, the sound collection device 120 in this embodiment includes a plurality of sound collection components, each of the sound collection components can independently collect sound data within a certain range at a location, each of the sound collection components is electrically connected to the control device 200, and can directly send each of the collected original sound data to the control device 200, or integrate the collected original sound data through a set algorithm and then package the sound data to the control device 200. The arrangement of the sound collection components enables sound data with different sound characteristics at different positions to be collected correspondingly by adjusting the installation positions and the respective working parameters of the sound collection components, for example, when the sound collection components are arranged at different positions of the water purifier, the sound data at multiple positions of the water purifier can be collected.
Specifically, the plurality of sound collection parts in the present embodiment includes at least a first sound collection part 121 and a second sound collection part 122. In the following embodiments, for convenience of understanding, the first sound collection part 121 and the second sound collection part 122 may be both configured as sound level meters, and sound data can be collected stably.
In the working state of the water purifier, the real-time collected sound data of the sound collection device 120 is collectively referred to as noise information. The first sound collecting part 121 is disposed in the casing 110, and is used for collecting sound data generated in the casing 110, especially at the power device 130, and sound data transmitted into the casing 110, which are collectively referred to as near-field noise information; the second sound collecting part 122 is disposed outside the casing 110, and is configured to collect environmental noise data outside the casing 110, which is collectively referred to as environmental noise information.
In addition, when the water purifier stops operating, the sound data acquired and processed by the sound acquisition device 120 according to the set period is collectively referred to as background noise. Based on the same setting scheme of the sound collection device 120, the sound data collected by the first sound collection part 121 is near-field background noise, and the sound data collected by the second sound collection part 122 is environment background noise.
In addition, in one embodiment, the machine body 100 further includes a vibration sensor 140 disposed at the power device 130. The vibration sensor 140 is used to sense vibration information at the power plant 130, especially vibration information of the booster pump in an operating state. The vibration sensor 140 is, for example, a micro accelerometer, and the operating state of the power component can be evaluated by sensing the obtained vibration information of the power component by the vibration sensor 140 to determine whether the power component has an abnormal fault.
Specifically, in an embodiment, the machine body 100 further includes a mounting plate disposed in the machine shell 110, and the mounting plate may be mounted in the machine shell 110 by any suitable manner, such as one or more of screw fixation, snap fixation, adsorption fixation, and adhesive fixation; among the plurality of power components, at least the booster pump is integrated on the mounting plate; and, in general, the booster pump, a plurality of valve bodies disposed adjacent to the booster pump, etc. may be disposed on the mounting plate. The body 100 further includes a vibration sensor 140, the vibration sensor 140 being disposed proximate to a geometric center of the mounting plate. Thus, when the booster pump and the valve body on the same mounting plate are abnormal and reflected on the vibration information, they can be accurately sensed by the vibration sensor 140. The vibration sensor 140 is disposed near the center of the casing 110 of the mounting plate, so that the sensed vibration information is more balanced and stable.
In addition, in an embodiment, as described above, the housing 100 further includes a water outlet assembly, which includes the water tap 150 at least partially exposed outside the housing 110; the second sound collection part 122 is disposed at a position where the faucet 150 is exposed outside the housing 110. So configured, the second sound collection component 122 can collect the ambient noise information at the faucet 150, since the user is generally close to the faucet 150 when using or wants to use the water purifier; by arranging the second sound collection part 122 at the faucet 150, the collected ambient noise information is closer to the noise information at the user position, and the noise information obtained by the user is closer to the body.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a control device 200 of a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 2, the control device 200 may include: processor 210, such as a Central Processing Unit (CPU), communication bus 220, user interface 230, network interface 240, and memory 250. The communication bus 220 is used for realizing connection communication among at least some of the components. The user interface 230 may include a Display (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 230 may also include a standard wired interface, a wireless interface. The network interface 240 may optionally include a standard wired interface, a WIreless interface (e.g., a WIreless-FIdelity (WI-FI) interface). The Memory 250 may be a high-speed Random Access Memory 250 (RAM) Memory, or may be a Non-Volatile Memory (NVM), such as a disk Memory. The memory 250 may alternatively be a storage device separate from the aforementioned processor 210.
Those skilled in the art will appreciate that the configuration shown in FIG. 2 does not constitute a limitation of control device 200, and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 2, the memory 250, which is a storage medium, may include therein an operating system, a network communication module, a user interface module, and a noise monitoring program of the water purifier.
It should be noted that the control device 200 is a control component for realizing the noise monitoring function of the water purifier, and the water purifier is fixedly provided with a control system, and the control device 200 can be used as a component independent from the control system and electrically connected with the main body of the control system, or the control system directly constitutes the control device 200.
In addition, based on any embodiment of the water purifier, the invention further provides a noise monitoring method of the water purifier. Referring to fig. 3 to 12, the noise monitoring method for a water purifier according to an embodiment of the present invention is shown in the drawings.
Referring to fig. 3, in a first embodiment of the noise monitoring method for a water purifier according to the present invention, the noise monitoring method for a water purifier includes:
step S400: acquiring noise information acquired by the sound acquisition device 120 and preset background noise;
in this embodiment, the control device 200 stores background noise data in advance, specifically including near-field background noise collected by the first sound collection unit 121 and environmental background noise collected by the second sound collection unit 122.
When the fact that the water purifier is powered on and in a preset running state is sensed, the sound collection device 120 starts to collect noise information in real time or according to a certain period, where the noise information includes near-field noise information collected by the first sound collection unit 121 and environmental noise information collected by the second sound collection unit 122.
Wherein, the preset running state of purifier can set up according to actual need, for example set up to when the sensing the purifier switches to system water state, heats or during the refrigeration state, during states such as preparation soda, sound collection system 120 enables.
Further, each operation state of the water purifier may be mapped and associated with at least one sound collection scheme in advance, for example, controlling at least one sound collection component in the sound collection device 120 to operate for a set time period. When the water purifier is in various states capable of running simultaneously, the sound collection components corresponding to the sound collection device 120 can be enabled to work simultaneously, and the sound collection work can be started successively according to the set priority.
Of course, the control device 200 may be configured to control the sound collection device 120 to start collecting noise information in real time or at a certain period when the control device determines that the water purifier is in an abnormal noise fault, which is specifically described in the following embodiments.
Step S500: when a preset noise condition is met between the noise information and the background noise, determining that the noise information is valid;
in this embodiment, the noise information and the background noise satisfy a predetermined noise condition, that is, when a predetermined first noise condition is satisfied between the near-field noise information and the near-field background noise and a predetermined second noise condition is satisfied between the environmental noise information and the environmental background noise, it is determined that the noise information is valid. When the noise information is effective and has the significance of uploading to a background server and analyzing, starting the next step; otherwise, when the noise information is invalid and does not have the significance of uploading to the background server and analyzing, the process is terminated or stopped, and the process can return to the step S400 to continue to collect a new batch of noise information.
Step S600: the method comprises the steps of obtaining working parameters of a power component related to noise abnormity, and uploading the working parameters, noise information and background noise to a background server so that the background server can analyze fault types according to the working parameters, the noise information and the background noise of the power component related to the noise abnormity.
It is understood that when the noise information is determined to be valid as described above, the control device 200 further obtains the operating parameters of the power unit related to the noise abnormality, where the operating parameters may be reported by the power unit itself in real time, may be set before the power unit is started, or may be obtained by sensing, for example, the vibration sensor 140. The control device 200 associates the acquired working parameters, the noise information, and the background noise and then uploads the associated working parameters, the noise information, and the background noise to a background server, where the background server may be a storage unit preset in the control device 200 or an external server electrically connected to the control device 200. The user can obtain the working parameters, the noise information and the background noise of the power component related to the noise abnormity through the background server when needed, and then the working parameters, the noise information and the background noise are analyzed according to the preset rule, and the fault type corresponding to the water purifier is judged so as to be used for eliminating the abnormity as soon as possible in the follow-up process.
Specifically, when the plurality of power components include a booster pump and a solenoid valve, the operating parameters include an inlet side pressure of the booster pump and an inlet side pressure of the solenoid valve, which helps to quickly lock a noise source and analyze a fault type when analyzing noise information and background noise.
For example, when it is determined that the inlet side pressure of the electromagnetic valve at the filter element is too high, a flushing mode of the water purifier can be started to flush the filter element or directly remind a user to replace the filter element; when the pressure of the inlet side of the electromagnetic valve and the pressure of the inlet side of the booster pump are both obviously abnormal, a user can be prompted to contact the after-sales door for maintenance or to perform maintenance.
In the technical scheme provided by the invention, the first sound collection part 121 is arranged in the shell 110 and can collect noise information in the shell 110 of the water purifier, and the second sound collection part 122 is arranged outside the shell 110 and can collect background noise of the environment where the water purifier is located; because the noise information includes noise sources generated by each functional component in the casing 110 and interference noise generated when the background noise is transmitted into the casing 110, the noise information and the background noise are compared and analyzed, and when the noise information and the background noise meet a preset noise condition, the influence of the interference noise can be eliminated, so that the noise information can be determined to be effective, namely the noise generated in the water purifier is determined to be abnormal; by acquiring the working parameters of the power components related to noise abnormity and uploading the acquired working parameters, noise information and background noise to the background server in a correlation manner, the background server can analyze the fault type of the abnormal noise generated by the water purifier according to the working parameters, the noise information and the background noise, the accuracy of the acquired noise data is improved, the first hand noise data of the water purifier and the working parameters of the related power device 130 are acquired, and the accuracy and the efficiency of subsequent fault analysis are improved.
In view of the above, controlling means 200 can control when determining that the noise appears in the purifier and is unusual the noise collection system starts noise collection work to reach background server on packing such as the noise information that will gather. In order to determine whether the noise of the water purifier is abnormal in time, the following two specific embodiments are provided:
referring to fig. 4, in a second embodiment of the noise monitoring method for a water purifier according to the present invention, the step S400: before acquiring the noise information collected by the sound collection device 120 and the preset background noise, the method further includes:
step S110: acquiring near-field noise information acquired by the first sound acquisition part 121;
step S120: acquiring preset calibrated near-field noise;
step S130: and when the difference value between the near-field noise information and the calibrated near-field noise is not smaller than a first threshold value, determining that the noise of the water purifier is abnormal.
In this embodiment, the control device 200 is preset with a calibration near-field noise. Specifically, the calibrated near-field noise may be a default value set by the water purifier when the water purifier leaves a factory, or may be a measurement value obtained by the water purifier through sensing by the first sound collection component 121 in a specific scene, or an input value triggered and input by a user through a trigger component such as a touch screen, a key, or a user terminal.
Under normal conditions, the near-field noise information is acquired by the first sound acquisition part 121 in real time or according to a set period; the calibrated near-field noise is generally kept constant or is set to be constant at least within a set time period, a set scene and the running state of the associated water purifier.
When the control device 200 compares the acquired near field noise information with the calibrated near field noise and determines that the difference between the acquired near field noise information and the calibrated near field noise is not less than the first threshold, it can be determined that the noise of the water purifier is abnormal. The first threshold may be set according to actual conditions, and may also be a system default value, a user input value, or the like.
Specifically, when the first sound collection part 121 is a sound level meter, the near-field noise information and the calibrated near-field noise are both expressed in the form of sound pressure level. In this case, the first threshold may be not less than 2.5 and not more than 4.5, and may specifically be 3.
In addition, referring to fig. 5, in a third embodiment of the noise monitoring method for a water purifier according to the present invention, the water purifier further includes a vibration sensor 140 disposed corresponding to the power device 130; the step S400: before acquiring the noise information collected by the sound collection device 120 and the preset background noise, the method further includes:
step S210: acquiring vibration information acquired by the vibration sensor 140;
step S220: acquiring preset calibration vibration information;
step S230: and when the difference value between the vibration information and the calibrated vibration information is not less than a second threshold value, determining that the noise of the water purifier is abnormal.
In the present embodiment, the control device 200 is preset with calibration vibration information. Similarly, the calibration vibration information may be a default value set by the water purifier when the water purifier leaves a factory, or may be a measurement value obtained by the water purifier through sensing by the vibration sensor 140 in a specific scene, or an input value triggered and input by a user through a touch screen, a key, or a user terminal or other triggering component.
Under normal conditions, the vibration information is acquired by the vibration sensor 140 in real time or according to a set period; the calibration vibration information is generally kept constant or is set to be constant at least within a set time period, a set scene and the running state of the associated water purifier.
When the control device 200 compares the acquired vibration information with the calibrated vibration information and determines that the difference between the acquired vibration information and the calibrated vibration information is not less than the second threshold, it can be determined that the noise of the water purifier is abnormal. The second threshold may be set according to actual conditions, and may also be a system default value, a user input value, or the like.
Further, referring to fig. 6, in a fourth embodiment of the noise monitoring method of a water purifier according to the present invention, the vibration sensor 140 is an accelerometer; the step S210: the obtaining of the vibration information collected by the vibration sensor 140 includes:
step S211: acquiring a vibration acceleration sensed by the vibration sensor 140;
step S212: after integral conversion is carried out on the vibration acceleration, the vibration speed is obtained;
step S213: and calculating a vibration speed level according to the vibration speed and a preset relational expression between the vibration speed and the vibration speed level, wherein the vibration speed level forms the vibration information.
In the present embodiment, since the vibration sensor 140 is specifically an accelerometer, the raw measurement data of the acceleration is a vibration acceleration, which may be specifically a vibration acceleration of a booster pump, or, as mentioned above, a vibration acceleration at the mounting plate. The control device 200 performs integral conversion on the acquired vibration acceleration value to obtain a vibration speed; and calculating the vibration speed level according to the vibration speed and a preset relational expression. Wherein the preset relational expression is as follows: LV1=10 × lg (V1) 2 /V0 2 ) Wherein LV1 is the vibration speed level, V1 is the vibration speed, and V0 is a reference vibration speed 5 × 10 -8 m/s。
In addition, referring to fig. 7, in a fifth embodiment of the noise monitoring method for a water purifier provided in the present invention, the step S220: after obtaining the preset calibration vibration information, the method further comprises the following steps:
step S241: when the difference between the vibration information and the calibrated vibration information is smaller than a second threshold, acquiring near-field noise information acquired by the first sound acquisition component 121 and preset calibrated near-field noise;
step S242: and when the difference value between the near field noise information and the calibrated near field noise is not less than a first threshold value, determining that the noise of the water purifier is abnormal.
Similarly, when the vibration sensor 140 is a micro accelerometer, the second threshold may be not less than 2.5 and not more than 4.5, and may specifically take a value of 3.
It should be noted that, in practical applications, the step of determining the noise abnormality according to the comparison result between the difference between the near-field noise information and the calibrated near-field noise and the first threshold value, and the step of determining the noise abnormality according to the comparison result between the difference between the vibration information and the calibrated vibration information and the second threshold value may be performed alternatively or together. Wherein, when the two are carried out together, the sequence of the two is not limited.
Referring to fig. 11, in an embodiment, when the water purifier is powered on and in the water production state, the vibration sensor 140 and the first sound collection component 121 may be enabled simultaneously, or the vibration sensor 140 may be enabled before the first sound collection component 121. The vibration sensor 140 senses and obtains a vibration acceleration A1 of the mounting plate, and after the vibration acceleration A1 is sequentially subjected to integral conversion into a vibration speed V1 and a vibration speed level LV1 is calculated through a preset relational expression, if the difference value between the vibration speed level LV1 and a calibrated vibration speed level LV0 is larger than 3, noise is determined to be abnormal, and noise data are uploaded; if not, continuing to calculate whether the difference value between the near-field noise information (sound pressure level) LP1 acquired by the first sound acquisition part 121 and the calibrated near-field noise (sound pressure level) LP0 is greater than 3, if so, determining that the noise is abnormal, and uploading the noise data; if not, determining that the noise of the water purifier is normal.
The noise data may be directly uploaded to the background server, or may be continuously used in the subsequent step S400.
Referring to fig. 8, in a sixth embodiment of the noise monitoring method for a water purifier according to the present invention, the step S400: acquiring noise information and preset background noise acquired by the sound acquisition device 120 includes:
step S410: acquiring the current working state of the water purifier;
step S420: when it is determined that the water purifier is currently in the set working state, noise information acquired by the sound acquisition device 120 and preset background noise are acquired.
In this embodiment, the noise collection operation may be associated with different operating states of the water purifier, so that the control device 200 directly controls the operation of the sound collection device 120 when and only when the water purifier is in the set operating state, or controls the operation of the sound collection device 120 when it is further determined that the noise of the water purifier is abnormal.
The set working state can be factory default setting of the water purifier or user-defined setting; the set state is, for example, a water making state, a heating or cooling state, a state of preparing soda water, coffee, beverage, and the like.
Referring to fig. 9, in a seventh embodiment of the noise monitoring method for a water purifier according to the present invention, the noise information includes near-field noise information collected by the first sound collection component 121 and environmental noise information collected by the second sound collection component 122, and the background noise includes corresponding near-field background noise and environmental background noise; the step S500: when a preset noise condition is satisfied between the noise information and the background noise, determining that the noise information is valid comprises:
step S510: and when the difference value between the near-field noise information and the near-field background noise meets a third threshold value and the difference value between the environmental noise information and the environmental background noise meets a fourth threshold value, determining that the noise information is effective.
Referring to fig. 12, in the present embodiment, the control device 200 obtains the near-field background noise LPB1 and the environmental background noise LPB2, respectively, and obtains the near-field noise information LP1 through the first sound collection part 121 and obtains the environmental noise information LP2 through the second sound collection part 122 through real-time sensing, when it is determined that the values of LP1-LPB1 are greater than the third threshold (e.g. 6 in fig. 12) and the values of LP2-LPB2 are greater than the fourth threshold (e.g. 6 in fig. 12), it is determined that the noise is valid, and step S600 may be continued; otherwise, the currently acquired noise data is considered invalid, the noise of the current water purifier is not significant, and the normal use of the water purifier by a user and the health of a human body are not influenced.
It should be noted that the third threshold and the fourth threshold may be set to be the same as described above, or may be set to be different according to actual needs.
Referring to fig. 10, in an eighth embodiment of the noise monitoring method for a water purifier according to the present invention, the step S400: before acquiring the noise information collected by the sound collection device 120 and the preset background noise, the method further includes:
step S310: when the water purifier stops running, acquiring a plurality of noises acquired by the sound acquisition device 120 according to a set period;
step S320: and sequencing the plurality of noises in sequence according to the sound pressure, and determining the noise with the minimum sound pressure as background noise.
It is understood that when the water purifier stops operating, a plurality of noises collected by the sound collection device 120, such as a plurality of pieces of near-field noise information collected by the first sound collection part 121, and a plurality of pieces of environmental noise information collected by the second sound collection part 122, may be obtained at a set period. Sequencing the plurality of near-field noise information according to the sound pressure level to obtain the near-field noise information with the minimum sound pressure level, and determining the near-field noise information as near-field background noise LPB1; and sequencing the plurality of pieces of environmental noise information according to the sound pressure level to obtain the environmental noise information with the minimum sound pressure level, and determining the environmental noise information as the environmental background noise LPB2.
It should be noted that the stop of the water purifier may refer to the time when the water purifier is powered off, turned off, or in standby state or not in the set working state. The set period can be different time periods of the same day, for example, a time period is taken for sensing every morning, noon and evening; or the same time period on different days, for example six to 7 am each day. The present embodiment determines the noise with the smallest sound pressure level as the background noise, and considers the elimination of the extraneous noise disturbance of occasional, such as the whistle sound of a passing vehicle, the singing sound of occasional, and the like. Of course, in other embodiments, the scheme of determining the background noise from the multiple noises may be further refined, for example, after the interference frequency bands in the multiple noises are filtered out, the remaining audio frequencies are averaged, and the like, which is not described in detail herein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.
Claims (14)
1. The noise monitoring method of the water purifier is characterized in that the water purifier comprises a shell, a sound acquisition device and a power device, wherein the sound acquisition device comprises a first sound acquisition part and a second sound acquisition part which are respectively arranged inside and outside the shell, and the power device comprises a plurality of power parts arranged in the shell;
the noise monitoring method of the water purifier comprises the following steps:
acquiring noise information acquired by a sound acquisition device and preset background noise, wherein the noise information comprises near-field noise information acquired by the first sound acquisition part and environmental noise information acquired by the second sound acquisition part, and the background noise comprises corresponding near-field background noise and environmental background noise;
when a preset noise condition is met between the noise information and the background noise, determining that the noise information is effective;
acquiring working parameters of a power component related to noise abnormity, and uploading the working parameters, the noise information and the background noise to a background server so that the background server can analyze a fault type according to the working parameters, the noise information and the background noise of the power component related to noise abnormity;
wherein, when a preset noise condition is satisfied between the noise information and the background noise, the step of determining that the noise information is valid comprises:
and when the difference value between the near-field noise information and the near-field background noise meets a third threshold value and the difference value between the environmental noise information and the environmental background noise meets a fourth threshold value, determining that the noise information is effective.
2. The method for monitoring noise of a water purifier according to claim 1, wherein before the step of obtaining the noise information collected by the sound collection device and the preset background noise, the method further comprises:
acquiring near-field noise information acquired by the first sound acquisition part;
acquiring preset calibrated near-field noise;
and when the difference value between the near field noise information and the calibrated near field noise is not less than a first threshold value, determining that the noise of the water purifier is abnormal.
3. The noise monitoring method of a water purifier according to claim 1, wherein said water purifier further comprises a vibration sensor disposed in correspondence with said power unit;
before the step of obtaining the noise information and the preset background noise that the sound collection device gathered, still include:
acquiring vibration information acquired by the vibration sensor;
acquiring preset calibration vibration information;
and when the difference value between the vibration information and the calibrated vibration information is not less than a second threshold value, determining that the noise of the water purifier is abnormal.
4. The method of claim 3, wherein said vibration sensor is an accelerometer;
the step of acquiring the vibration information collected by the vibration sensor comprises the following steps:
acquiring vibration acceleration sensed by the vibration sensor;
after integral conversion is carried out on the vibration acceleration, the vibration speed is obtained;
and calculating a vibration speed level according to the vibration speed and a preset relational expression between the vibration speed and the vibration speed level, wherein the vibration speed level forms the vibration information.
5. The noise monitoring method of a water purifier according to claim 4, wherein the preset relation is:
LV 1 ＝10*lg(V 1 2 /V 0 2 )，
wherein, LV 1 For the vibration speed level, V 1 Is the vibration velocity, V 0 Reference vibration speed 5 x 10 -8 m/s。
6. The noise monitoring method of a water purifier according to claim 3, wherein the step of obtaining the preset calibrated vibration information further comprises:
when the difference value between the vibration information and the calibrated vibration information is smaller than a second threshold value, acquiring near-field noise information acquired by the first sound acquisition part and preset calibrated near-field noise;
and when the difference value between the near field noise information and the calibrated near field noise is not less than a first threshold value, determining that the noise of the water purifier is abnormal.
7. The noise monitoring method of the water purifier according to claim 1, wherein the step of obtaining the noise information collected by the sound collection device and the preset background noise comprises:
acquiring the current working state of the water purifier;
and when the water purifier is determined to be in a set working state at present, acquiring noise information acquired by a sound acquisition device and preset background noise.
8. The method for monitoring noise of a water purifier according to claim 1, wherein before the step of obtaining the noise information collected by the sound collection device and the preset background noise, the method further comprises:
when the water purifier stops running, acquiring a plurality of noises acquired by the sound acquisition device according to a set period;
and sequencing the plurality of noises in sequence according to the sound pressure, and determining the noise with the minimum sound pressure as background noise.
9. The noise monitoring method of a water purifier as recited in claim 1, wherein the plurality of power components include a booster pump and an electromagnetic valve;
the operating parameters include an inlet side pressure of the booster pump and an inlet side pressure of the solenoid valve.
10. A water purifier, comprising:
the sound collection device comprises a first sound collection part and a second sound collection part which are respectively arranged inside and outside the shell, the power device comprises a plurality of power parts arranged in the shell, and the plurality of power parts comprise a booster pump and an electromagnetic valve; and the number of the first and second groups,
a control device electrically connected to the sound collection device and the power device, respectively, wherein the control device comprises a memory, a processor and a noise monitoring program of the water purifier stored in the memory and capable of running on the processor, and the noise monitoring program of the water purifier is configured to implement the steps of the noise monitoring method of the water purifier according to any one of claims 1 to 9.
11. The water purifier of claim 10, wherein said first sound collection unit and said second sound collection unit are each a sound level meter;
the machine body further comprises a vibration sensor arranged at the power device.
12. The water purifier of claim 10, wherein said body further comprises a mounting plate disposed within said housing, at least said booster pump being integrated into said mounting plate among a plurality of said power components;
the organism still includes vibration sensor, vibration sensor is close to the geometric centre setting of mounting panel.
13. The water purifier of claim 11 or 12, wherein the vibration sensor is an accelerometer.
14. The water purifier of claim 10, wherein said body further comprises a faucet at least partially exposed outside said housing;
the second sound collecting component is arranged at the position of the water tap exposed outside the shell.
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