CN117354913A - Low-power-consumption wireless high-precision synchronous acquisition system, method and storage medium - Google Patents
Low-power-consumption wireless high-precision synchronous acquisition system, method and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
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- H04W52/0209—Power saving arrangements in terminal devices
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a low-power-consumption wireless high-precision synchronous acquisition system, a method and a storage medium, wherein the system comprises a collector and a plurality of acquisition devices powered by batteries, and each part of the acquisition devices adopts a low-power-consumption design; the acquisition device consists of an acquisition module, a first processing module and a first wireless module; the acquisition device is used for data acquisition; the aggregator consists of a second processing module and a second wireless module; the collector is used for wirelessly waking up the acquisition device by using an air wake-up technology; the collector is used for processing synchronous acquisition data sent by the acquisition devices; the invention further provides a corresponding method based on the synchronous acquisition system, the synchronous acquisition precision and the power consumption are fully considered, and the problem of synchronous data acquisition of the wireless acquisition device powered by a plurality of batteries is solved.
Description
Technical Field
The invention belongs to the technical field of wireless acquisition devices, in particular relates to the field of a plurality of acquisition devices, and particularly relates to a low-power-consumption wireless high-precision synchronous acquisition system, a method and a storage medium.
Background
With the development of information technology, the wireless acquisition device powered by the battery has the advantages of small volume, low cost, convenient installation, no need of wiring and the like, and is widely used. However, in the use field, many signals need to be synchronously acquired in high real time by a plurality of acquisition devices to reflect the states of different measuring points at the same moment, which brings challenges to the wireless acquisition device powered by a battery.
In the prior art, for a scene with relaxed synchronous requirements, synchronous acquisition is generally realized by a timing and timing acquisition mode, and the working principle is that a sink node is connected with each sensor on site, clocks of the sensors are made to be as consistent as possible by the timing mode, then acquisition time of the sensors is set, and a group of data is acquired simultaneously after the sensors reach the set time. Because the precision of the clock source of the sensor is low, the deviation is large, and the synchronous acquisition precision of the sensor is lower and lower. The patent literature discloses a wireless sensor network data acquisition method and system based on broadcast synchronization, wherein the publication number of the method is CN110166952A, and the acquisition method specifically comprises the following steps: the host node broadcasts a synchronization head to all network sensor nodes, and the network sensor nodes calibrate respective sampling timers according to time calibration information; determining or updating respective sampling rates according to the query period and respective sampling rates; according to the time slot allocation information, the sampling data are packed according to the sampling time sequence and are sent to a host node in the form of datagram; the host node analyzes the content of each datagram, reproduces the data of each network sensor node and transmits the data to the comprehensive control machine or the telemetry system. However, the instructions are sent to the wireless sensors in a broadcast mode, and the instructions sent to each sensor independently have different sequences, so that the acquisition time of each sensor still has errors above millisecond level, the synchronous acquisition precision can not meet the scene with high precision requirement, and the method does not consider low-power consumption and is not suitable for the battery-powered low-power consumption wireless acquisition device.
The publication number is CN114916031A, a wireless sensor network architecture is disclosed, which comprises a network architecture, wherein the network architecture comprises sensor nodes, sink nodes, gateways, task management nodes and end users. The invention distributes the sensor nodes in a certain monitoring area at will, the nodes form a network in a self-organizing mode, the monitoring data are transmitted to the aggregation node in a multi-hop relay mode, then the monitoring information is transmitted to the task management node through the gateway, finally the task management node transmits the monitoring information to a terminal user, the terminal user can issue a command through the task management node to inform the sensor node to collect the monitoring information, the network architecture adopts low-power hardware equipment to form the network, a low-power MAC protocol and a routing protocol are designed, and all functional modules keep synchronous sleep and wake-up, so that the power consumption and the energy consumption are reduced, and the service life of the network is prolonged to the maximum extent. The application discloses wireless collection device of low-power consumption adopts low-power consumption's hardware equipment to constitute through the network architecture to design low-power consumption's MAC agreement and routing protocol, and keep the synchronization that is necessary between each functional module, synchronous dormancy and awaken, with this reduction consumption and to the consumption of energy, wireless sensor network architecture power energy limited has been solved to a certain extent, and the difficult problem that the battery is inconvenient to change, but end user can carry out the issue of command through task management node, inform sensor node to collect monitoring information, end user's path difference to sensor node is great, each sensor node receiving time difference is difficult to estimate, can't solve the data acquisition scene that synchronous accuracy requires strict.
For a scene of strict data acquisition with synchronous requirements, a GPS receiving device is additionally arranged on a sensor, a GPS clock synchronization system is utilized to synchronize the time of the sensor, the sensor samples data according to a preset acquisition period, the mode can ensure the synchronism of data acquisition, but the acquisition period is fixed, the acquisition period cannot be dynamically adjusted according to service requirements, and the GPS receiving device additionally arranged on the acquisition device is high in price and power consumption and obviously not suitable for the acquisition device powered by a battery.
Disclosure of Invention
In view of the defects in the prior art, the invention provides a low-power-consumption wireless high-precision synchronous acquisition system, a method and a storage medium, which fully consider acquisition synchronous precision and power consumption and solve the problem of data acquisition synchronization of a plurality of wireless acquisition devices powered by batteries.
In order to solve the technical problems, the invention adopts the following technical scheme: the low-power-consumption wireless high-precision synchronous acquisition system comprises a collector and a plurality of acquisition devices powered by batteries, wherein each part of the acquisition devices adopts a low-power-consumption design, and each acquisition device consists of an acquisition module, a first processing module and a first wireless module; the acquisition device is used for data acquisition; the aggregator consists of a second processing module and a second wireless module; the collector is used for wirelessly waking up the acquisition device by using an air wake-up technology; the collector is used for processing synchronous acquisition data sent by the acquisition device.
Further, the first processing module is configured to receive a first wireless module acquisition command, and start the acquisition module to acquire data.
Further, the acquisition module is used for acquiring the data signal of the target.
Further, the first wireless module is configured to receive an over-the-air wake-up signal, and perform bidirectional data exchange with the aggregator through wireless.
Further, the second processing module is configured to control a wireless communication working mode and perform a processing operation on the received wireless data.
Further, the second wireless module is used for waking up the acquisition device, issuing an acquisition command and receiving perception data sent by the acquisition device.
The invention also provides a low-power-consumption wireless high-precision synchronous acquisition method, which comprises the following steps that S1, after the second processing module of the collector is at the acquisition time, an instruction is sent to the second wireless module, and the first wireless module of the acquisition device is awakened by utilizing radio waves; s2, after the first wireless module of the acquisition device is awakened, the first processing module of the acquisition device is awakened by using the level, and the wireless acquisition instruction is waited to be received; s3, after the first wireless module of the acquisition device receives the wireless acquisition synchronization instruction, in order to reduce errors caused by clock differences of different acquisition devices, the first processing module of the acquisition device is informed in a level mode, and the acquisition module is started immediately to acquire; s4, after the first processing module of the acquisition device receives the acquired data, the first wireless module sends the data to the aggregator by utilizing a wireless anti-collision algorithm, and all parts immediately enter a dormant state; and S5, pushing the data to a collector processor after the second wireless module of the collector receives the collected data, and starting the data processing service after waiting for the data of all the collecting devices to be received.
The invention also provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, and the computer program realizes the low-power-consumption wireless high-precision synchronous acquisition method when being executed by a processor.
For a scene of strict data acquisition with synchronous requirements, a GPS receiving device is additionally arranged on a sensor, a GPS clock synchronization system is utilized to synchronize the time of the sensor, the sensor samples data according to a preset acquisition period, the mode can ensure the synchronism of data acquisition, but the acquisition period is fixed, the acquisition period cannot be dynamically adjusted according to service requirements, and the GPS receiving device additionally arranged on the acquisition device is high in price and power consumption and obviously not suitable for the acquisition device powered by a battery.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a low-power-consumption wireless high-precision synchronous acquisition system, a method and a storage medium, wherein an acquisition device does not need a GPS or Beidou receiving module with high power consumption and high cost, and the acquisition device is low in cost and convenient to popularize. All parts of the acquisition device adopt a dormancy mechanism, the whole power consumption is low, the lithium battery can supply power, the volume is small, and the service life is long. The collection device and the collector adopt wireless data transmission, the collection device adopts battery power supply, a communication line and a power line do not need to be deployed, the installation is convenient, and the construction cost is low. The acquisition devices adopt an air awakening technology, each acquisition device acquires data according to a synchronous acquisition instruction issued by the collector, the first wireless module of the acquisition device informs the first processing module of the acquisition device in a level state mode, errors caused by clock differences of different acquisition devices are reduced, and synchronous precision can reach microsecond level. The acquisition period of the acquisition device is determined by an air wake-up mechanism of the collector, the acquisition period can be dynamically adjusted according to service requirements, and the flexibility is high.
Drawings
FIG. 1 is a schematic diagram of a system configuration of embodiment 1 of the present invention;
FIG. 2 is a schematic workflow diagram of a aggregator of embodiment 1 of the present invention;
fig. 3 is a schematic workflow diagram of the collecting device of embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
Example 1:
the embodiment provides a low-power consumption wireless high-precision synchronous acquisition system, which particularly as shown in fig. 1, comprises a collector and a plurality of acquisition devices powered by batteries, wherein the wireless acquisition devices powered by batteries have the advantages of small volume, low cost, convenient installation and no need of wiring; but at the same time, a battery power supply mode is adopted, a time service device with higher power consumption cannot be installed, and the acquisition device consists of an acquisition module, a first processing module and a first wireless module; the acquisition device is used for data acquisition; the aggregator consists of a second processing module and a second wireless module; the collector is used for wirelessly waking up the acquisition device by using an air wake-up technology; the collector is used for processing synchronous acquisition data sent by the acquisition device. All parts of the acquisition device adopt a dormancy mechanism, the whole power consumption is low, the lithium battery can supply power, the volume is small, and the service life is long.
Further, the first processing module is configured to receive a first wireless module acquisition command and send the acquisition command to the acquisition module.
Further, the acquisition module is used for acquiring the data signal of the target.
Further, the first wireless module is configured to receive an over-the-air wake-up signal, and perform bidirectional data exchange with the aggregator through wireless.
Further, the second processing module is configured to control a wireless communication working mode and perform a processing operation on the received wireless data.
Further, the second wireless module is used for waking up the acquisition device, issuing an acquisition command and receiving perception data sent by the acquisition device.
The acquisition device is powered by a battery, and each part of the acquisition device is designed with low power consumption in order to ensure the service life; the first wireless module is in a sleep mode when idle, the second wireless module of the collector can wake up the first wireless module of the acquisition device in the air by radio waves, and after the first wireless module of the acquisition device is waken up, the first processing module in deep sleep is waken up by using the level; the first processing module is in a deep sleep state in an idle state, and the first wireless module wakes up the first processing module through a level signal and controls the acquisition module to acquire data.
The aggregator is provided with a second wireless module and consists of a second processing module; the second wireless module is used for waking up the acquisition device, issuing a synchronous acquisition command and receiving data sent by the acquisition device; the second processing module controls the second wireless module and processes the synchronous acquisition data sent by the acquisition device. The first wireless module and the second wireless module adopt wireless data transmission, the acquisition device adopts battery power supply, a communication line and a power line do not need to be deployed, the installation is convenient, and the construction cost is low.
The acquisition device does not need a GPS or Beidou receiving module with high power consumption and high cost, and the whole machine is low in cost and convenient to popularize. All parts of the acquisition device adopt a dormancy mechanism, the whole power consumption is low, the lithium battery can supply power, the volume is small, and the service life is long. The collection device and the collector adopt wireless data transmission, the collection device adopts battery power supply, a communication line and a power line do not need to be deployed, the installation is convenient, and the construction cost is low. The acquisition device adopts an air awakening technology, acquires data according to a synchronous acquisition instruction issued by the collector, and the wireless module of the acquisition device informs the processing module of the acquisition device by using a level state mode, so that errors caused by clock differences of different acquisition devices are reduced, and the synchronous precision can reach microsecond level. The acquisition period of the acquisition device is determined by an air wake-up mechanism of the collector, the acquisition period can be dynamically adjusted according to service requirements, and the flexibility is high.
Example 2:
the embodiment provides a low-power consumption wireless high-precision synchronous acquisition method, which is particularly shown in figures 2 and 3 and comprises the following steps,
s1, after a second processing module of the collector is at the acquisition time, sending an instruction to a second wireless module, and waking up a first wireless module of an acquisition device by utilizing radio waves;
s2, after the first wireless module of the acquisition device is awakened, the first processing module of the acquisition device is awakened by using the level, and the wireless acquisition instruction is waited to be received;
s3, after the first wireless module of the acquisition device receives the wireless acquisition synchronization instruction, in order to reduce errors caused by clock differences of different acquisition devices, the first processing module of the acquisition device is informed in a level mode, and the acquisition module is started immediately to acquire;
s4, after the first processing module of the acquisition device receives the acquired data, the first wireless module sends the data to the aggregator by utilizing a wireless anti-collision algorithm, and all parts immediately enter a dormant state;
and S5, pushing the data to a collector processor after the second wireless module of the collector receives the collected data, and starting the data processing service after waiting for the data of all the collecting devices to be received.
In this embodiment, the acquisition device adopts an air wake-up technology, acquires data according to a synchronous acquisition instruction issued by the aggregator, and the first wireless module of the acquisition device notifies the first processing module of the acquisition device in a level state mode, so that errors caused by clock differences of different acquisition devices are reduced, and synchronous precision can reach microsecond level. The acquisition period of the acquisition device is determined by an air wake-up mechanism of the collector, the acquisition period can be dynamically adjusted according to service requirements, and the flexibility is high.
Example 3
The modules/units integrated in the electronic device may be stored in a computer readable storage medium if implemented in the form of software functional units and sold or used as a stand alone product. Based on such understanding, the present application may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each method embodiment described above. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, executable files or in some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, and a Read-Only Memory (ROM).
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The schemes in the embodiments of the present application may be implemented in various computer languages.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (8)
1. A low-power consumption wireless high-precision synchronous acquisition system is characterized in that: the device comprises a collector and a plurality of acquisition devices powered by batteries, wherein each part of the acquisition devices adopts a low-power consumption design, and the acquisition devices consist of an acquisition module, a first processing module and a first wireless module; the acquisition device is used for data acquisition; the aggregator consists of a second processing module and a second wireless module; the collector is used for wirelessly waking up the acquisition device by using an air wake-up technology; the collector is used for processing synchronous acquisition data sent by the acquisition devices.
2. The low-power wireless high-precision synchronous acquisition system according to claim 1, wherein: the first processing module is used for receiving the acquisition command of the first wireless module and starting the acquisition module to acquire data.
3. The low-power wireless high-precision synchronous acquisition system according to claim 1, wherein: the acquisition module is used for acquiring data signals of the target.
4. The low-power wireless high-precision synchronous acquisition system according to claim 1, wherein: the first wireless module is used for receiving the air wake-up signal and carrying out bidirectional data exchange with the aggregator through wireless.
5. The low-power wireless high-precision synchronous acquisition system according to claim 1, wherein: the second processing module is used for controlling the wireless communication working mode and processing the received wireless data.
6. The low-power wireless high-precision synchronous acquisition system according to claim 1, wherein: the second wireless module is used for waking up the acquisition device, issuing an acquisition command and receiving perception data sent by the acquisition device.
7. A low-power consumption wireless high-precision synchronous acquisition method is characterized by comprising the following steps of: comprises the steps of,
s1, after a second processing module of the collector is at the acquisition time, sending an instruction to a second wireless module, and waking up a first wireless module of an acquisition device by utilizing radio waves;
s2, after the first wireless module of the acquisition device is awakened, the first processing module of the acquisition device is awakened by using the level, and the wireless acquisition instruction is waited to be received;
s3, after the first wireless module of the acquisition device receives the wireless acquisition synchronization instruction, in order to reduce errors caused by clock differences of different acquisition devices, the first processing module of the acquisition device is informed in a level mode, and the acquisition module is started immediately to acquire;
s4, after the first processing module of the acquisition device receives the acquired data, the first wireless module sends the data to the aggregator by utilizing a wireless anti-collision algorithm, and all parts immediately enter a dormant state;
and S5, pushing the data to a collector processor after the second wireless module of the collector receives the collected data, and starting the data processing service after waiting for the data of all the collecting devices to be received.
8. A computer readable storage medium storing a computer program which when executed by a processor implements a low power wireless high precision synchronous acquisition method as claimed in any one of claims 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117979400A (en) * | 2024-03-29 | 2024-05-03 | 安徽容知日新科技股份有限公司 | Wireless acquisition method and system for operation data of unsteady state equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117979400A (en) * | 2024-03-29 | 2024-05-03 | 安徽容知日新科技股份有限公司 | Wireless acquisition method and system for operation data of unsteady state equipment |
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