CN110108352B - Vibration polling instrument, low-power consumption measuring method thereof and computer readable storage medium - Google Patents
Vibration polling instrument, low-power consumption measuring method thereof and computer readable storage medium Download PDFInfo
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- CN110108352B CN110108352B CN201910389843.8A CN201910389843A CN110108352B CN 110108352 B CN110108352 B CN 110108352B CN 201910389843 A CN201910389843 A CN 201910389843A CN 110108352 B CN110108352 B CN 110108352B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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Abstract
The invention relates to a vibration polling instrument, a low-power consumption measuring method thereof and a computer readable storage medium. The appearance is patrolled and examined in vibration includes: the acquisition module is used for acquiring peripheral signals of the vibration polling instrument; the low-power-consumption main control module is used for carrying out low-precision sampling processing on the signals; and the high-performance auxiliary module and the high-precision AD sampling module are in a closed state in a normal state, the high-performance auxiliary module and the high-precision AD sampling module are started for a short time according to the relation between the signal and the alarm set value, the high-precision AD sampling module samples the signal at high precision during the starting period, and the auxiliary module carries out accurate measurement based on the adoption result. The vibration polling instrument has low power consumption in the measuring process, achieves the energy-saving effect and realizes low-power-consumption operation.
Description
Technical Field
The invention relates to the technical field of signal detection, in particular to a vibration polling instrument, a low-power consumption measuring method thereof and a computer readable storage medium.
Background
At present, the vibration inspection instrument considers the total power consumption of the system from the design, in order to reduce the power consumption, the main control module of the vibration inspection instrument is usually selected as the MCU with lower power consumption, because the sampling precision and the operational capability of the MCU are poor, the MCU is adopted to measure the vibration signal, the measurement error is easily generated, and the high-precision chip supporting the high-precision vibration measurement needs to consume higher current, which is undoubtedly a challenge for manufacturing the low-power-consumption vibration inspection instrument.
Disclosure of Invention
In view of the above problems, the present invention has been made to provide a vibration patrol instrument and a low power consumption measurement method thereof, a computer-readable storage medium, which overcome or at least partially solve the above problems.
According to an aspect of the present invention, there is provided a vibration patrol instrument including:
the acquisition module is used for acquiring peripheral signals of the vibration polling instrument;
the low-power-consumption main control module is used for carrying out low-precision sampling processing on the signals; and
the high-precision AD sampling module is used for sampling the signals in a high-precision mode during starting, and the auxiliary module is used for carrying out accurate measurement based on the adoption result.
Optionally, the off state is specifically power loss, and the main control module implements the start-up behavior by controlling power supplies of the auxiliary module and the high-precision AD sampling module.
Optionally, the system further comprises a power management module, wherein the power management module is used for taking power from a power supply of the vibration polling instrument, is controlled by the main control module and supplies power to the auxiliary module and the high-precision AD sampling module.
Optionally, the main control module sleeps normally, and implements the sampling processing behavior by waking up periodically.
Optionally, still include light sensor, wake up the mode that main control module further includes: and awakening the main control module according to the level triggered by the illumination of the light sensitive sensor.
Optionally, the main control module is further configured to alarm according to a relationship between the accurate measurement result and an alarm set value.
Optionally, the sensor further comprises a hall sensor connected to the reset terminal of the main control module, and the hall sensor is magnetized to send a level to the reset terminal to trigger the main control module to reset.
Optionally, the acquisition module is specifically a vibration sensor and/or a temperature sensor.
According to another aspect of the invention, a low power consumption measurement method of a vibration polling instrument is provided, which comprises the following steps:
collecting signals around the vibration inspection instrument;
carrying out low-precision sampling processing on the signals by using a low-power-consumption main control module; and
and according to the relation between the signal and an alarm set value, a high-performance auxiliary module and a high-precision AD sampling module which are in a closed state in a normal state are started for a short time, the high-precision AD sampling module is used for sampling the signal at high precision during the starting period, and the auxiliary module is controlled to carry out accurate measurement based on the adoption result.
Optionally, the method further comprises: and alarming according to the relation between the accurate measurement result and the alarm set value.
Optionally, the signal is in particular a vibration signal and/or a temperature signal.
According to another aspect of the present invention, there is provided a computer-readable storage medium, wherein the computer-readable storage medium stores one or more programs which, when executed by a processor, implement the low power consumption measurement method of the vibration patrol instrument described above.
According to the technical scheme of the invention, by setting the structure of the low-power-consumption main control module and the high-performance auxiliary module, and adopting a software and hardware combined separation mode, the main control module is responsible for daily low-precision sampling processing of peripheral signals of the vibration inspection instrument, the high-performance auxiliary module and the high-precision AD sampling module which are in a closed state in a normal state are started only temporarily when the signals exceed the standard, the high-precision AD sampling module is used for sampling the signals at high precision during starting, and the control auxiliary module carries out accurate measurement based on the adopted result.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 illustrates a schematic circuit diagram of a vibration inspector according to one embodiment of the invention;
FIG. 2 is a flow diagram illustrating a low power consumption measurement method of a vibration inspector according to one embodiment of the invention;
FIG. 3 shows a schematic diagram of a vibratory polling instrument according to one embodiment of the invention;
FIG. 4 shows a schematic structural diagram of an electronic device according to one embodiment of the invention;
fig. 5 shows a schematic structural diagram of a computer-readable storage medium according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
FIG. 1 shows a schematic circuit diagram of a vibration inspector according to one embodiment of the invention. As shown in fig. 1, the vibration polling instrument according to the embodiment of the present invention includes a main control module 1, an auxiliary module 2, an external communication module 3, a memory 4, a reset switch 5, a power switch 6, a temperature sensor 7, an LED, a vibration sensor 8, a signal shunting module 9, a high-precision AD sampling module 10, a battery 11, and a battery management module 12.
The main control module 1 and the auxiliary module 2 directly perform information interaction through an I2C interface, wherein the main control module 1 is selected as a low-power chip, such as an msp430 series module, and is used for taking charge of flow control and low-precision sampling measurement of a polling instrument; the auxiliary module 2 is selected as a DSP chip, such as a TMS320C5532 chip of TI corporation, for completing high-precision measurement of signals.
The external communication module 3 is preferably a bluetooth module, which is connected to the IO port of the main control module 1 on one hand, and exchanges information with the main control module 1 through IO, and on the other hand, exchanges information directly with the auxiliary module 2 through the uart interface.
The memory 4 is selected as a nonvolatile memory chip, such as a FLASH for realizing long-time storage of data, and is in high-speed data communication with the auxiliary module 2 through the SPI interface.
Switch 6 chooses for use to be photosensitive sensor, and photosensitive sensor carries out IO with host system 1 and is connected, and when patrolling and examining the appearance and getting into dormancy, photosensitive sensor sends the level to host system 1 through illumination to the messenger awakens up host system 1 and carries out work.
The temperature sensor 7 is used for transmitting temperature signals around the patrol instrument to the main control module 1 through IO.
The vibration sensor 8 is used for collecting vibration signals around the patrol instrument, the vibration signals are shunted through the signal shunting board 9, one path of signals enter the main control module 1, the other path of signals are sampled by the high-precision AD sampling module 10 (such as MCP3903), and the sampled data are transmitted to the auxiliary module 2 through the SPI by the high-precision AD sampling module 10 for processing. Preferably, the vibration sensor 8 is a 3-axis acceleration sensor, and the 3-axis acceleration sensor is used for collecting vibration acceleration from three directions of XYZ, so that the main control module 1 or the auxiliary module 2 can comprehensively analyze the vibration change condition around the inspection instrument according to the acceleration in the three directions of XYZ, and the analysis accuracy is improved.
Each electric module in the polling instrument is powered by a battery 11 with the service life of not less than 3 years, and a conventional power management module 12 (such as a BMS) is provided to perform discharge control on each power supply path of the battery 11 according to the instruction of the main control module 1. For example, the main control module 1 controls the power supply of the auxiliary module 2 and the high-precision AD sampling module 10 through the power management module 12.
Fig. 2 shows a flow chart of a low power consumption measurement method of the vibration polling instrument according to an embodiment of the invention. As shown in fig. 2, the low power consumption measurement method of the vibration polling instrument according to the embodiment of the present invention includes:
s11: detecting signals around the vibration polling instrument;
it should be noted that the signal may be one or more of a vibration signal and a temperature signal, where the vibration signal is collected by the vibration sensor, and is input to the main control module and the auxiliary module after being shunted by the signal shunting board; the temperature signals are collected through the temperature sensor, the signals are directly input into the main control module through IO, and the signals are shared by the main control module to the auxiliary module.
S12: carrying out low-precision sampling processing on the signals by using a low-power-consumption main control module;
it should be noted that the main control module utilizes its automatic 10-bit ADC sampling channel to perform low-precision sampling on the signal, and obtains low-precision sampling data to compare with a preset alarm setting value.
S13: according to the relation between the signal and an alarm set value, a high-performance auxiliary module and a high-precision AD sampling module which are in a closed state in a normal state are started for a short time, the high-precision AD sampling module is used for sampling the signal with high precision during starting, and the auxiliary module is controlled to carry out accurate measurement based on the adoption result;
it should be noted that the high-precision AD sampling module obtains a signal from one of the outputs of the signal branching board to perform sampling, and a collection result is sent to the auxiliary module through the SPI interface in real time to perform analysis processing.
The relation is specifically a magnitude relation, the magnitude relation between the signal and the alarm set value is compared, when the signal exceeds the alarm set value, the auxiliary module is started to carry out one-time accurate measurement, the auxiliary module returns the result to the main control module after obtaining the accurate measurement result, and then the auxiliary module is closed again, so that the electric energy waste is avoided.
According to the embodiment of the invention, by setting the structure of the low-power-consumption main control module and the high-performance auxiliary module, a software and hardware combined sub-mode is adopted, so that the main control module is responsible for daily low-precision sampling processing of peripheral signals of the vibration inspection instrument, the high-performance auxiliary module and the high-precision AD sampling module which are in a closed state in a normal state are started for a short time when the signals exceed the standard, the high-precision AD sampling module is used for sampling the signals at high precision during starting, and the control auxiliary module carries out precise measurement based on the adopted result.
In an optional implementation manner of the embodiment of the present invention, the off state is specifically power loss, and the main control module implements the start-up behavior by controlling power supplies of the auxiliary module and the high-precision AD sampling module;
it should be noted that the electric energy of the auxiliary module and the high-precision AD sampling module is supplied by the power management module, the power management module takes electricity from the battery, and under the instruction control of the main control module, the power supply/power off control is performed on each electric module in each patrol instrument, wherein the electric module comprises the auxiliary module and the high-precision AD sampling module.
In an optional implementation manner of the embodiment of the present invention, in S12 of the method shown in fig. 2, the low-precision sampling processing is performed on the signal by using the low-power-consumption main control module, and the method is further adapted to: and enabling the main control module to enter the sleep mode, and implementing the sampling processing behavior by periodically waking up. For example, the main control module enters a sleep state at ordinary times, wakes up every 5 seconds, and performs sampling comparison of the temperature signal and the vibration signal after waking up every time.
Optionally, an active awakening mechanism is added, for example, the light sensor is electrically connected with the main control module, and the main control module is awakened according to the level triggered by illumination of the light sensor, so that an operator can awaken the main control module actively through strong light.
In an optional implementation manner of the embodiment of the present invention, the method further includes: executing alarm operation according to the relation between the accurate measurement result and the alarm set value;
it should be noted that, the main control module compares the accurate measurement result with the alarm set value again, and if the accurate measurement result exceeds the alarm set value and the indication signal indeed exceeds the standard, the main control module performs light warning through the LED, and sends the alarm value and the alarm time to the auxiliary chip to be stored in the memory. The light display mode can be set according to the following examples: if the LED0 adopts a green light and flickers once every 5 seconds, the work is normal; the LED1 adopts a blue light, and only the mobile phone APP flashes once after being connected with the vibration polling instrument through the Bluetooth module; the LED2 is an alarm status indicator that flashes when the signal is greater than the alarm set point.
In an optional implementation manner of the embodiment of the present invention, in order to implement stable reset of the vibration polling instrument, the hall sensor may be connected to the reset IO of the main control module, so that a worker may apply magnetism to the hall sensor through the magnet to perform output level jump, thereby changing the level of the reset IO and triggering the main control module to reset.
Based on the combination of the method and the vibration polling device, fig. 3 shows a schematic structural diagram of the vibration polling device according to an embodiment of the invention. As shown in fig. 3, the vibration polling instrument according to the embodiment of the present invention includes:
the acquisition module 0 is suitable for acquiring peripheral signals of the vibration polling instrument;
the low-power consumption main control module 1 is suitable for carrying out low-precision sampling processing on the signals;
the high-performance auxiliary module 2 and the high-precision AD sampling module 10 are in a closed state in a normal state, the high-performance auxiliary module and the high-precision AD sampling module are started for a short time according to the relation between the signal and the alarm set value, the high-precision AD sampling module 10 samples the signal in a high-precision mode during the starting period, and the auxiliary module 2 carries out accurate measurement based on the adoption result.
The off state is specifically power loss, and the main control module implements the start-up behavior by controlling the power supply of the auxiliary module and the high-precision AD sampling module.
In order to realize the power supply management of each electrical module, in another embodiment of the invention, the vibration inspection instrument further comprises a power supply management module, which takes power from a power supply of the vibration inspection instrument and is controlled by the master control module to supply power to the auxiliary module and the high-precision AD sampling module.
In another embodiment of the present invention, the main control module is normally dormant, and the sampling processing behavior is implemented by periodically waking up.
Preferably, the vibration patrol and examine appearance still includes light sensor, and the mode of awakening to the master control module further includes: and awakening the main control module according to the level triggered by the illumination of the light sensitive sensor.
In another embodiment of the present invention, the main control module is further configured to alarm according to a relationship between the accurate measurement result and an alarm setting value.
In another embodiment of the present invention, the vibration polling device further includes a hall sensor connected to the reset terminal of the main control module, and the hall sensor transmits a level to the reset terminal under the action of magnetism to trigger the main control module to reset.
In another embodiment of the invention, the acquisition module is in particular a vibration sensor and/or a temperature sensor.
The vibration polling instrument of the embodiment of the invention can be used for executing the method embodiment, the principle and the technical effect are similar, and the details are not repeated here.
It should be noted that:
the algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose devices may be used with the teachings herein. The required structure for constructing such a device will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or components of the embodiments may be combined into one module or component, and furthermore, they may be divided into a plurality of sub-modules or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or modules of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or modules are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. It will be appreciated by those skilled in the art that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components of the apparatus for detecting a wearing state of an electronic device according to embodiments of the present invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
For example, fig. 4 shows a schematic structural diagram of an electronic device according to an embodiment of the invention. The electronic device conventionally comprises a processor 41 and a memory 42 arranged to store computer executable instructions (program code). The memory 42 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. The memory 42 has a storage space 43 for storing program code 44 for performing the method steps shown in fig. 2 and in any of the embodiments. For example, the storage space 43 for the program code may comprise respective program codes 44 for respectively implementing the various steps in the above method. The program code can be read from or written to one or more computer program products. These computer program products comprise a program code carrier such as a hard disk, a Compact Disc (CD), a memory card or a floppy disk. Such a computer program product is typically a computer readable storage medium such as described in fig. 5. The computer readable storage medium may have memory segments, memory spaces, etc. arranged similarly to the memory 42 in the electronic device of fig. 4. The program code may be compressed, for example, in a suitable form. In general, the memory means store program code 51 for performing the steps of the method according to the invention, i.e. program code readable by a processor such as 41, which when run by an electronic device causes the electronic device to perform the steps of the method described above.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the modular claim enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (9)
1. Appearance is patrolled and examined in vibration, its characterized in that includes:
the acquisition module is used for acquiring peripheral signals of the vibration polling instrument, and is specifically a vibration sensor;
the low-power-consumption main control module is dormant in a normal state, implements sampling processing behaviors by periodically waking up, and performs low-precision sampling processing on the signals to acquire low-precision sampling data; and
the high-performance auxiliary module and the high-precision AD sampling module are in a closed state in a normal state, the high-performance auxiliary module and the high-precision AD sampling module are started temporarily according to the relation between the low-precision sampling data and an alarm set value, the high-precision AD sampling module samples the vibration signal at high precision during starting, and the auxiliary module carries out accurate measurement based on the high-precision sampling result;
the Hall sensor is connected with the reset end of the main control module and sends a level to the reset end under the action of magnetism so as to trigger the main control module to reset;
the vibration sensor is used for collecting vibration signals around the inspection instrument, the vibration signals are shunted through the signal shunting board, one path of signals enter the main control module, the other path of signals are sampled by the high-precision AD sampling module, and the sampling data are transmitted to the auxiliary module by the high-precision AD sampling module to be processed.
2. The vibration polling instrument according to claim 1, wherein the off state is specifically power loss, and the main control module implements the start-up behavior by controlling power supply of the auxiliary module and the high-precision AD sampling module.
3. The vibration polling instrument of claim 2, further comprising a power management module which takes power from a power source of the vibration polling instrument and is controlled by the master control module to supply power to the auxiliary module and the high-precision AD sampling module.
4. The vibration polling instrument of claim 1, further comprising a light-sensitive sensor, wherein the manner of waking up the main control module further comprises:
and awakening the main control module according to the level triggered by the illumination of the light sensitive sensor.
5. The vibration patrol instrument according to claim 1, wherein the main control module is further configured to alarm according to a relationship between the accurate measurement result and an alarm set value.
6. The low power consumption measuring method of the vibration polling instrument is characterized by comprising the following steps:
the acquisition module acquires signals around the vibration inspection instrument, and is specifically a vibration sensor;
the method comprises the steps that a low-power-consumption main control module is used, the main control module is dormant in a normal state, sampling processing behaviors are implemented through regular awakening, and low-precision sampling processing is conducted on signals to obtain low-precision sampling data; and
according to the relation between the low-precision sampling data and an alarm set value, a high-performance auxiliary module and a high-precision AD sampling module which are in a closed state in a normal state are started for a short time, the high-precision AD sampling module is used for sampling a vibration signal at high precision during starting, and the auxiliary module is controlled to perform accurate measurement based on a high-precision sampling result;
the Hall sensor is connected with the reset end of the main control module and sends a level to the reset end under the action of magnetism so as to trigger the main control module to reset;
the vibration sensor is used for collecting vibration signals around the inspection instrument, the vibration signals are shunted through the signal shunting board, one path of signals enter the main control module, the other path of signals are sampled by the high-precision AD sampling module, and the sampling data are transmitted to the auxiliary module by the high-precision AD sampling module to be processed.
7. The method of claim 6, further comprising: and alarming according to the relation between the accurate measurement result and the alarm set value.
8. The method of claim 6, further comprising: the signal is in particular a vibration signal.
9. A computer readable storage medium, wherein the computer readable storage medium stores one or more programs which, when executed by a processor, implement the method of any of claims 6-8.
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