CN116095622A - Time slice-based pressing plate information transmission method and system - Google Patents
Time slice-based pressing plate information transmission method and system Download PDFInfo
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- CN116095622A CN116095622A CN202210837089.1A CN202210837089A CN116095622A CN 116095622 A CN116095622 A CN 116095622A CN 202210837089 A CN202210837089 A CN 202210837089A CN 116095622 A CN116095622 A CN 116095622A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/40—Security arrangements using identity modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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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 time slice-based pressing plate information transmission method and a time slice-based pressing plate information transmission system, wherein the method comprises the following steps: the monitoring module and the sink node are powered on and initialized, the sink node divides a time slice channel, and the monitoring module acquires an identity ID and sends a time service application instruction to the time service module; the monitoring module receives a time service information message which is sent by the sink node after the validity check is performed on the basis of the time service application instruction; the monitoring module sends a time slice channel application message to the sink node and receives wireless space-time network path information sent by the sink node; and the monitoring module sends a pressure plate state monitoring information message to the sink node based on the wireless space-time network path information and receives a confirmation message sent by the sink node. The invention forms the unique mapping relation between the single monitoring module and the time slice channel by carrying out wireless space-time network path allocation on the time slice information, and solves the problems of channel congestion and information loss in the wireless transmission process.
Description
Technical Field
The invention relates to the technical field of power system automation, in particular to a time slice-based platen information transmission method and system.
Background
The pressing plate of the relay protection device is a key bridge for connecting the relay protection device with external wiring, and the pressing plate provides great convenience for maintenance and operation and increases a break point which cannot be completely closed loop for protecting the secondary circuit as to whether the equipment function and the action outlet can normally function; therefore, the state monitoring and checking work of the pressing plate is particularly important in operation and maintenance work; the equipment pressing plate often relates to the switching of the pressing plate when the power grid operation mode is changed, the false switching of the pressing plate directly influences the realization and the application of the relay protection function, and the relay protection function can be disabled when serious.
At present, the operation and maintenance work of the transformer substation mainly relies on a manual method to distinguish the state of a secondary circuit pressing plate, and the switching and returning state confirmation of the pressing plate also totally depends on the manual mode; with the development of secondary technology, the pressing plate of the relay protection device shows integrated composability in function, the layout mode of the pressing plate is gradually changed into simplified standardization, and conditions are objectively provided for intelligent transformation of the inspection and operation and maintenance modes; therefore, the intelligent acquisition of the state information of the secondary circuit pressing plate is realized through a scientific technical means, the reliable transmission is realized, the remote real-time monitoring of the state of the pressing plate is realized, the state of the protection pressing plate is accurately obtained, the accuracy of the throwing and the retreating is ensured to have practical engineering significance, the influence caused by artificial factors in the inspection of the pressing plate is reduced, and the operation management level of the protection pressing plate is comprehensively improved.
When a wireless mode is adopted, the pressure plate state monitoring module transmits state information to the sink node device through wireless micropower signals, meanwhile, in order to solve the problem of difficult construction of a field power supply, the pressure plate state monitoring module is designed to be powered by a battery, the monitoring module adopts a dormant mode in order to save the service life of the electric quantity of the battery, the mode cannot actively call the monitoring module information of the sink node, information can only be actively sent by the monitoring module periodically or through state change, and when the sink node receives hundreds of monitoring module signals, the sink node device cannot reliably and completely receive accurate signals of the pressure plate state due to the fact that the wireless micropower signals collide irregularly; therefore, a new platen information transmission method needs to be developed to solve the existing problems.
Disclosure of Invention
The invention provides a time slice-based platen information transmission method and a time slice-based platen information transmission system, which are used for solving the problem that signal collision loss information occurs in a platen state of micro-power signal transmission by a platen state monitoring module.
In order to solve the above-mentioned problems, according to an aspect of the present invention, there is provided a platen information transmission method based on time slicing, the method including:
the monitoring module and the sink node are powered on and initialized, the sink node divides a time slice channel, and the monitoring module acquires an identity ID and sends a time service application instruction to the time service module;
the monitoring module receives a time service information message which is sent by the sink node after the validity check is performed on the basis of the time service application instruction;
the monitoring module sends a time slice channel application message to the sink node and receives wireless space-time network path information sent by the sink node;
and the monitoring module sends a pressure plate state monitoring information message to the sink node based on the wireless space-time network path information and receives a confirmation message sent by the sink node.
Preferably, the monitoring module and the sink node perform power-on initialization, the sink node performs time slice channel division, the monitoring module obtains an identity ID and sends a time service application instruction to the time service module, and the method includes:
powering up the sink node, starting a hardware circuit, and performing software and hardware self-checking;
after successful power-on initialization of the sink node, the time slice channels are divided by the following formula, which comprises the following steps:
wherein T is the channel bandwidth of the 1 minute time slice; m represents a 1 minute period; n represents the number of time use monitoring modules;
the monitoring module is electrified, a hardware circuit is started, and software and hardware self-inspection is carried out; reading the identity ID of the hardware chip;
and after the monitoring module is successfully electrified and initialized, sending a time service application instruction to the time service module.
Preferably, the monitoring module receives a time service information message sent by the sink node after the validity check is passed and based on the time service application instruction, and the time service information message comprises:
the sink node performs validity verification of the identity identification ID in the application instruction, and after verification is correct, issues a time service information message with the identity identification ID information;
the monitoring module receives the time service information message, performs validity check and time information check of the identity identification ID, updates the self clock after the verification is correct, and runs in a self-time-keeping mode by the self clock;
the monitoring module receives time service information messages of the sink nodes when the monitoring module wakes up or changes the state monitoring information of the upper pressure plate at each period.
Preferably, the monitoring module sends a time slice channel application message to the sink node, and receives wireless space-time network path information sent by the sink node, including:
the monitoring module sends a time slice channel application message to the sink node;
the sink node sorts the time slice channels distributed by the time slice channel distribution module according to the time points of the channels from small to large, and traverses and searches idle channels;
after the sink node finds the idle channel, the sink node establishes an association relation between the channel number and the identity identification ID of the monitoring module, and a wireless space-time network path of the monitoring module is generated;
the convergence node sends the wireless space-time network path information of the monitoring module to the monitoring module;
the monitoring module receives the wireless space-time network path information and notifies the pressing plate state monitoring information transmission module.
Preferably, the monitoring module sends a platen state monitoring information message to the sink node based on the wireless space-time network path information, and receives a confirmation message sent by the sink node, including:
the monitoring module sends a pressing plate state monitoring information message with identity Identification (ID) information according to a wireless space-time network path;
and the sink node receives the pressing plate state monitoring information message, performs validity verification of the identity identification ID, and sends a confirmation message containing the identity identification ID and time service information after the verification is correct.
Preferably, wherein the method further comprises:
and the monitoring module receives the confirmation message, updates the clock of the monitoring module, enters a sleep waiting mode, and closes the power supply of the wireless signal transmitting hardware loop.
Preferably, wherein the method further comprises:
the monitoring module triggers awakening according to the cycle time of the clock and/or the instant change of the state of the pressing plate, automatically enters a pressing plate state monitoring information transmission flow after awakening, and transmits the pressing plate state monitoring information according to the self-distributed wireless space-time network path.
According to another aspect of the present invention, there is provided a time slice-based platen information transmission system, the system comprising:
the power-on initialization unit is used for enabling the monitoring module and the sink node to perform power-on initialization, the sink node performs time slice channel division, and the monitoring module acquires an identity ID and sends a time service application instruction to the time service module;
the time service unit is used for enabling the monitoring module to receive the time service information message which is sent by the sink node after the validity check is performed on the basis of the time service application instruction;
the wireless space-time network path information distribution unit is used for enabling the monitoring module to send a time slice channel application message to the sink node and receiving wireless space-time network path information sent by the sink node;
and the transmission pressing plate state monitoring information unit is used for enabling the monitoring module to send pressing plate state monitoring information messages to the sink node based on the wireless space-time network path information and receiving confirmation messages sent by the sink node.
Preferably, the power-on initialization unit makes the monitoring module and the sink node perform power-on initialization, the sink node performs time slice channel division, the monitoring module obtains an identity ID and sends a time service application instruction to the time service module, and the power-on initialization unit includes:
powering up the sink node, starting a hardware circuit, and performing software and hardware self-checking;
after successful power-on initialization of the sink node, the time slice channels are divided by the following formula, which comprises the following steps:
wherein T is the channel bandwidth of the 1 minute time slice; m represents a 1 minute period; n represents the number of time use monitoring modules;
the monitoring module is electrified, a hardware circuit is started, and software and hardware self-inspection is carried out; reading the identity ID of the hardware chip;
and after the monitoring module is successfully electrified and initialized, sending a time service application instruction to the time service module.
Preferably, the time service unit makes the monitoring module receive the time service information message sent by the sink node after the validity check is passed based on the time service application instruction, and the time service information message comprises:
the sink node performs validity verification of the identity identification ID in the application instruction, and after verification is correct, issues a time service information message with the identity identification ID information;
the monitoring module receives the time service information message, performs validity check and time information check of the identity identification ID, updates the self clock after the verification is correct, and runs in a self-time-keeping mode by the self clock;
the monitoring module receives time service information messages of the sink nodes when the monitoring module wakes up or changes the state monitoring information of the upper pressure plate at each period.
Preferably, the wireless space-time network path information distribution unit makes the monitoring module send a time slice channel application message to the sink node, and receives wireless space-time network path information sent by the sink node, including:
the monitoring module sends a time slice channel application message to the sink node;
the sink node sorts the time slice channels distributed by the time slice channel distribution module according to the time points of the channels from small to large, and traverses and searches idle channels;
after the sink node finds the idle channel, the sink node establishes an association relation between the channel number and the identity identification ID of the monitoring module, and a wireless space-time network path of the monitoring module is generated;
the convergence node sends the wireless space-time network path information of the monitoring module to the monitoring module;
the monitoring module receives the wireless space-time network path information and notifies the pressing plate state monitoring information transmission module.
Preferably, the transmitting the platen state monitoring information unit, causing the monitoring module to send a platen state monitoring information message to the sink node based on the wireless space-time network path information, and receiving a confirmation message sent by the sink node, includes:
the monitoring module sends a pressing plate state monitoring information message with identity Identification (ID) information according to a wireless space-time network path;
and the sink node receives the pressing plate state monitoring information message, performs validity verification of the identity identification ID, and sends a confirmation message containing the identity identification ID and time service information after the verification is correct.
Preferably, wherein the system further comprises:
the sleep waiting mode entering unit is used for enabling the monitoring module to receive the confirmation message, updating the clock of the monitoring module and then entering the sleep waiting mode, and closing the power supply of the wireless signal transmitting hardware loop.
Preferably, wherein the system further comprises:
the awakening unit is used for enabling the monitoring module to trigger awakening according to the cycle time of the clock and/or the instant change of the state of the pressing plate, automatically entering the pressing plate state monitoring information transmission flow after being awakened, and transmitting the pressing plate state monitoring information according to the wireless space-time network path distributed by the monitoring module.
The invention provides a time slice-based pressing plate information transmission method and a time slice-based pressing plate information transmission system, wherein the method comprises the following steps: the monitoring module and the sink node are powered on and initialized, the sink node divides a time slice channel, and the monitoring module acquires an identity ID and sends a time service application instruction to the time service module; the monitoring module receives a time service information message which is sent by the sink node after the validity check is performed on the basis of the time service application instruction; the monitoring module sends a time slice channel application message to the sink node and receives wireless space-time network path information sent by the sink node; and the monitoring module sends a pressure plate state monitoring information message to the sink node based on the wireless space-time network path information and receives a confirmation message sent by the sink node. After the pressure plate monitoring module successfully time service, the method and the device form the unique mapping relation between the single monitoring module and the time slice channel by carrying out wireless space-time network path distribution on the time slice information, so that the problem of channel congestion and information loss caused by concurrency of data of a plurality of monitoring modules in the wireless transmission process is solved; meanwhile, the information transmission mode is changed from a one-way broadcasting mode to a two-way interaction mode, a mutual acknowledgement mechanism is increased, the signal retransmission times are reduced, and the complete and reliable arrival of the signal is ensured.
Drawings
Exemplary embodiments of the present invention may be more completely understood in consideration of the following drawings:
FIG. 1 is a flowchart of a method 100 for time slice-based platen information transmission according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a time slice-divided channel according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an allocated wireless spatio-temporal network path according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a time slice-based platen information transmission system 500 according to an embodiment of the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the examples described herein, which are provided to fully and completely disclose the present invention and fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, like elements/components are referred to by like reference numerals.
Unless otherwise indicated, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. In addition, it will be understood that terms defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Fig. 1 is a flowchart of a time slice based platen information transmission method 100 according to an embodiment of the present invention. As shown in fig. 1, in the time slice-based platen information transmission method provided by the embodiment of the invention, after the platen monitoring module successfully time service, a unique mapping relation between a single monitoring module and a time slice channel is formed by carrying out wireless space-time network path allocation on the time slice information, so that the problems of channel congestion and information loss caused by concurrency of data of a plurality of monitoring modules in the wireless transmission process are solved; meanwhile, the information transmission mode is changed from a one-way broadcasting mode to a two-way interaction mode, a mutual acknowledgement mechanism is increased, the signal retransmission times are reduced, and the complete and reliable arrival of the signal is ensured. In the method 100 for transmitting platen information based on time slicing provided in the embodiment of the present invention, starting from step 101, in step 101, a monitoring module and an aggregation node perform power-on initialization, the aggregation node performs time slice channel division, and the monitoring module acquires an identity ID and sends a time service application instruction to a time service module.
Preferably, the monitoring module and the sink node perform power-on initialization, the sink node performs time slice channel division, the monitoring module obtains an identity ID and sends a time service application instruction to the time service module, and the method includes:
powering up the sink node, starting a hardware circuit, and performing software and hardware self-checking;
after successful power-on initialization of the sink node, the time slice channels are divided by the following formula, which comprises the following steps:
wherein T is the channel bandwidth of the 1 minute time slice; m represents a 1 minute period; n represents the number of time use monitoring modules;
the monitoring module is electrified, a hardware circuit is started, and software and hardware self-inspection is carried out; reading the identity ID of the hardware chip;
and after the monitoring module is successfully electrified and initialized, sending a time service application instruction to the time service module.
The time slice-based platen information transmission method can solve the problem that the platen state monitoring module transmits the micropower signals to the platen state to generate signal collision loss information.
Referring to fig. 2, in the embodiment of the present invention, power-on initialization is performed first, a time slice channel is divided, a hardware chip unique ID is read, and a timing module is notified to prepare to issue a timing application instruction. Specifically, the method comprises the following steps:
step 1-1, starting a hardware circuit, performing self-checking on a hardware part, and loading a hardware driver, a software program and software self-checking;
step 1-2, after the power-on initialization of the sink node is successful, obtaining the communication bandwidth of a 1-minute time slice according to a time slice channel bandwidth formula, wherein the time slice channel bandwidth formula is as follows:
wherein M represents a 1 minute period, i.e., 60000ms; n represents the number of time use monitoring modules; t represents the channel bandwidth of a 1 minute time slice; the 1 minute time bandwidth is divided into 200 time slice channels, each channel bandwidth is 300ms, and the time slice channels are divided as shown in fig. 3;
step 1-3, the monitoring module is electrified, a hardware circuit is started, self-checking is carried out on a hardware part, then a hardware driver is loaded, software programs and software self-checking are carried out, and the unique identification ID number of the hardware chip is read.
And step 1-4, after the monitoring module is powered on and initialized successfully, notifying the time service module to prepare to issue a time service application instruction.
In step 102, the monitoring module receives the time service information message sent by the sink node after the validity check is performed based on the time service application instruction.
Preferably, the monitoring module receives a time service information message sent by the sink node after the validity check is passed and based on the time service application instruction, and the time service information message comprises:
the sink node performs validity verification of the identity identification ID in the application instruction, and after verification is correct, issues a time service information message with the identity identification ID information;
the monitoring module receives the time service information message, performs validity check and time information check of the identity identification ID, updates the self clock after the verification is correct, and runs in a self-time-keeping mode by the self clock;
the monitoring module receives time service information messages of the sink nodes when the monitoring module wakes up or changes the state monitoring information of the upper pressure plate at each period.
Referring to fig. 2, in the embodiment of the present invention, after the initialization power-up is completed, the sink node gives time; the monitoring module sends a time service application message, and after the validity of the sink node is checked, the time service message is sent. Specifically, the method comprises the following steps:
step 2-1, the monitoring module broadcasts and transmits a time service application instruction containing identity Identification (ID) information through a wireless micropower signal, the monitoring module transmits the application instruction once at intervals of 300 ms/time, the application instruction is continuously transmitted for five times, and the monitoring module immediately stops when receiving a time service command message of the sink node;
step 2-2, when the sink node receives the time service application of the monitoring module, verifying the validity of the identity identification ID, and after the verification is correct, issuing a time information message with the identity identification ID information;
step 2-3, the monitoring module receives the time service information message of the sink node, performs validity check of the identity identification ID, performs time information check, updates the self clock after the time information check is correct, and operates by the self clock in a self-time keeping mode;
and 2-4, receiving a time service instruction of the sink node by the monitoring module every time the monitoring module wakes up periodically or changes the state monitoring information of the upper pressure plate.
In step 103, the monitoring module sends a time slice channel application message to the sink node, and receives wireless space-time network path information sent by the sink node.
Preferably, the monitoring module sends a time slice channel application message to the sink node, and receives wireless space-time network path information sent by the sink node, including:
the monitoring module sends a time slice channel application message to the sink node;
the sink node sorts the time slice channels distributed by the time slice channel distribution module according to the time points of the channels from small to large, and traverses and searches idle channels;
after the sink node finds the idle channel, the sink node establishes an association relation between the channel number and the identity identification ID of the monitoring module, and a wireless space-time network path of the monitoring module is generated;
the convergence node sends the wireless space-time network path information of the monitoring module to the monitoring module;
the monitoring module receives the wireless space-time network path information and notifies the pressing plate state monitoring information transmission module.
As shown in conjunction with fig. 2 and 4, in an embodiment of the present invention, assigning wireless spatio-temporal network paths includes: the monitoring module sends a time slice channel application message, the sink node sorts the time points of the channels from small to large, traverses and searches for idle channels, establishes an association relation between a channel number and a monitoring module ID, and sends wireless space-time network path information to the monitoring module. Specifically, the method comprises the following steps:
step 3-1, a monitoring module sends a time slice channel application message;
step 3-2, the sink node sorts the time slice channels distributed by the time slice channel distribution module according to the time points of the channels from small to large, and traverses and searches for idle channels;
step 3-3, after the sink node finds the idle channel, establishing an association relation between the channel number and the identity identification ID of the monitoring module, and generating a wireless space-time network path of the monitoring module;
step 3-4, the convergence node sends the wireless space-time network path information of the monitoring module to the monitoring module;
and 3-5, after the monitoring module receives the wireless space-time network path distributed by the sink node, notifying the pressure plate state monitoring information transmission module.
According to the invention, 200 time slices are divided for one minute, so that 200 wireless space-time network path channels can be constructed at maximum, the requirement of the actual application quantity of the on-site pressure plate state monitoring modules is met, the phenomena of no mutual interference and mutual collision of signals in wireless signal transmission of each monitoring module are achieved, the reliability and stability of pressure plate state monitoring information transmission are ensured, and the accuracy and timeliness of pressure plate state information are improved.
In step 104, the monitoring module sends a platen state monitoring information message to the sink node based on the wireless space-time network path information, and receives a confirmation message sent by the sink node.
Preferably, the monitoring module sends a platen state monitoring information message to the sink node based on the wireless space-time network path information, and receives a confirmation message sent by the sink node, including:
the monitoring module sends a pressing plate state monitoring information message with identity Identification (ID) information according to a wireless space-time network path;
and the sink node receives the pressing plate state monitoring information message, performs validity verification of the identity identification ID, and sends a confirmation message containing the identity identification ID and time service information after the verification is correct.
Referring to fig. 2, in the embodiment of the present invention, when the monitoring information of the state of the pressing plate is transmitted, the monitoring module detects the state of the pressing plate, and sends the monitoring information message of the state and the state of the pressing plate of the identification information, and after the validity of the monitoring information message is checked by the sink node, the state information is updated, and the confirmation and time service message is sent. Specifically, the method comprises the following steps:
step 4-1, the monitoring module sends a pressing plate state monitoring information message with identity Identification (ID) information according to a wireless space-time network path;
step 4-2, the sink node receives the pressing plate state monitoring information message of the monitoring module, performs validity verification of the identity identification ID, and issues a confirmation message containing the identity identification ID and time service information after the verification is correct;
step 4-3, if the monitoring module cannot receive the confirmation message of the sink node, sending a state monitoring information message at a time interval of 50ms until the 300ms channel bandwidth is over, and stopping sending;
and 4-4, if the monitoring module receives the confirmation message, updating the clock of the monitoring module.
Preferably, wherein the method further comprises:
and the monitoring module receives the confirmation message, updates the clock of the monitoring module, enters a sleep waiting mode, and closes the power supply of the wireless signal transmitting hardware loop.
Preferably, wherein the method further comprises:
the monitoring module triggers awakening according to the cycle time of the clock and/or the instant change of the state of the pressing plate, automatically enters a pressing plate state monitoring information transmission flow after awakening, and transmits the pressing plate state monitoring information according to the self-distributed wireless space-time network path.
In the invention, after the monitoring module updates the 81EA body clock, the monitoring module enters a sleep waiting mode; and closing the power supply of the wireless signal transmitting hardware loop.
The monitoring module wakes up periodically or wakes up variably, including: the pressure plate state monitoring module wakes up according to the cycle time of the clock; the pressure plate state monitoring module triggers awakening according to the instant change of the pressure plate state; after awakening, automatically entering a pressure plate state monitoring information transmission flow, and transmitting pressure plate state monitoring information according to a wireless space-time network path distributed by the user.
According to the time slice-based platen information transmission method, by means of equipment power-on initialization, time slice channels, sink node time service, time slice channel allocation, connection establishment, platen state monitoring information transmission, dormancy entering, period or change awakening of the platen state transmission are applied, platen state reliable and stable real-time monitoring is achieved, platen monitoring reliability is improved, platen state inspection efficiency is improved, operation reliability of a relay protection secondary circuit is improved, operation safety and stability of a power grid are improved, and information transmission safety, stability and reliability are enhanced
Compared with the traditional wireless micropower information transmission, the wireless micropower information transmission space-time path solidification of the pressure plate state information is realized based on the time slicing technology, the wireless micropower signal transmission space-time network path is divided through the time slicing, the risk of signal collision loss during more wireless micropower signal transmission is reduced, and the stability and reliability of information transmission are enhanced; the method provides scientific technical support for monitoring the state of the secondary circuit pressing plate, improves the monitoring capability of the secondary circuit pressing plate, reduces the operation and maintenance difficulty of the pressing plate, improves the operation and maintenance efficiency, and has great significance for improving the safe and stable operation of the power grid.
Fig. 5 is a schematic structural diagram of a time slice-based platen information transmission system 500 according to an embodiment of the present invention. As shown in fig. 5, a platen information transmission system 500 based on time slicing according to an embodiment of the present invention includes: a power-on initialization unit 501, a time service unit 502, a wireless space-time network path information distribution unit 503 and a transmission platen state monitoring information unit 504.
Preferably, the power-on initialization unit 501 is configured to enable the monitoring module and the sink node to perform power-on initialization, the sink node performs time slice channel division, and the monitoring module obtains the ID and sends a timing application instruction to the timing module.
Preferably, the power-on initialization unit 501 initializes the monitoring module and the sink node, the sink node divides a time slice channel, and the monitoring module obtains an ID and sends a timing application instruction to the timing module, including:
powering up the sink node, starting a hardware circuit, and performing software and hardware self-checking;
after successful power-on initialization of the sink node, the time slice channels are divided by the following formula, which comprises the following steps:
wherein T is the channel bandwidth of the 1 minute time slice; m represents a 1 minute period; n represents the number of time use monitoring modules;
the monitoring module is electrified, a hardware circuit is started, and software and hardware self-inspection is carried out; reading the identity ID of the hardware chip;
and after the monitoring module is successfully electrified and initialized, sending a time service application instruction to the time service module.
Preferably, the time service unit 502 is configured to enable the monitoring module to receive a time service information message sent by the sink node after the validity check is performed based on the time service application instruction.
Preferably, the time service unit 502 makes the monitoring module receive the time service information message sent by the sink node after the validity check is passed based on the time service application instruction, where the time service information message includes:
the sink node performs validity verification of the identity identification ID in the application instruction, and after verification is correct, issues a time service information message with the identity identification ID information;
the monitoring module receives the time service information message, performs validity check and time information check of the identity identification ID, updates the self clock after the verification is correct, and runs in a self-time-keeping mode by the self clock;
the monitoring module receives time service information messages of the sink nodes when the monitoring module wakes up or changes the state monitoring information of the upper pressure plate at each period.
Preferably, the wireless space-time network path information allocation unit 503 is configured to enable the monitoring module to send a time slice channel application packet to the sink node, and receive wireless space-time network path information sent by the sink node.
Preferably, the wireless space-time network path information allocation list 503 enables the monitoring module to send a time slice channel application message to the sink node, and receive the wireless space-time network path information sent by the sink node, including:
the monitoring module sends a time slice channel application message to the sink node;
the sink node sorts the time slice channels distributed by the time slice channel distribution module according to the time points of the channels from small to large, and traverses and searches idle channels;
after the sink node finds the idle channel, the sink node establishes an association relation between the channel number and the identity identification ID of the monitoring module, and a wireless space-time network path of the monitoring module is generated;
the convergence node sends the wireless space-time network path information of the monitoring module to the monitoring module;
the monitoring module receives the wireless space-time network path information and notifies the pressing plate state monitoring information transmission module.
Preferably, the platen state monitoring information transmitting unit 504 is configured to enable the monitoring module to send a platen state monitoring information message to the sink node based on the wireless space-time network path information, and receive a confirmation message sent by the sink node.
Preferably, the transmitting the platen state monitoring information unit 504, causing the monitoring module to send a platen state monitoring information message to the sink node based on the wireless space-time network path information, and receiving a confirmation message sent by the sink node, includes:
the monitoring module sends a pressing plate state monitoring information message with identity Identification (ID) information according to a wireless space-time network path;
and the sink node receives the pressing plate state monitoring information message, performs validity verification of the identity identification ID, and sends a confirmation message containing the identity identification ID and time service information after the verification is correct.
Preferably, wherein the system further comprises:
the sleep waiting mode entering unit is used for enabling the monitoring module to receive the confirmation message, updating the clock of the monitoring module and then entering the sleep waiting mode, and closing the power supply of the wireless signal transmitting hardware loop.
Preferably, wherein the system further comprises:
the awakening unit is used for enabling the monitoring module to trigger awakening according to the cycle time of the clock and/or the instant change of the state of the pressing plate, automatically entering the pressing plate state monitoring information transmission flow after being awakened, and transmitting the pressing plate state monitoring information according to the wireless space-time network path distributed by the monitoring module.
The time slice-based platen information transmission system 500 according to the embodiment of the present invention corresponds to the time slice-based platen information transmission method 100 according to another embodiment of the present invention, and is not described herein.
The invention has been described with reference to a few embodiments. However, as is well known to those skilled in the art, other embodiments than the above disclosed invention are equally possible within the scope of the invention, as defined by the appended patent claims.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise therein. All references to "a/an/the [ means, component, etc. ]" are to be interpreted openly as referring to at least one instance of said means, component, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
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 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.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (14)
1. A method for transmitting platen information based on time slicing, the method comprising:
the monitoring module and the sink node are powered on and initialized, the sink node divides a time slice channel, and the monitoring module acquires an identity ID and sends a time service application instruction to the time service module;
the monitoring module receives a time service information message which is sent by the sink node after the validity check is performed on the basis of the time service application instruction;
the monitoring module sends a time slice channel application message to the sink node and receives wireless space-time network path information sent by the sink node;
and the monitoring module sends a pressure plate state monitoring information message to the sink node based on the wireless space-time network path information and receives a confirmation message sent by the sink node.
2. The method of claim 1, wherein the monitoring module and the sink node perform power-on initialization, the sink node performs time slice channel division, the monitoring module obtains an ID and sends a timing application instruction to the timing module, and the method comprises:
powering up the sink node, starting a hardware circuit, and performing software and hardware self-checking;
after successful power-on initialization of the sink node, the time slice channels are divided by the following formula, which comprises the following steps:
wherein T is the channel bandwidth of the 1 minute time slice; m represents a 1 minute period; n represents the number of time use monitoring modules;
the monitoring module is electrified, a hardware circuit is started, and software and hardware self-inspection is carried out; reading the identity ID of the hardware chip;
and after the monitoring module is successfully electrified and initialized, sending a time service application instruction to the time service module.
3. The method of claim 1, wherein the monitoring module receives a time service information message sent by the sink node after the validity check is passed and based on the time service application instruction, and the method comprises:
the sink node performs validity verification of the identity identification ID in the application instruction, and after verification is correct, issues a time service information message with the identity identification ID information;
the monitoring module receives the time service information message, performs validity check and time information check of the identity identification ID, updates the self clock after the verification is correct, and runs in a self-time-keeping mode by the self clock;
the monitoring module receives time service information messages of the sink nodes when the monitoring module wakes up or changes the state monitoring information of the upper pressure plate at each period.
4. The method of claim 1, wherein the monitoring module sends a time slice channel application message to the sink node and receives wireless space-time network path information sent by the sink node, comprising:
the monitoring module sends a time slice channel application message to the sink node;
the sink node sorts the time slice channels distributed by the time slice channel distribution module according to the time points of the channels from small to large, and traverses and searches idle channels;
after the sink node finds the idle channel, the sink node establishes an association relation between the channel number and the identity identification ID of the monitoring module, and a wireless space-time network path of the monitoring module is generated;
the convergence node sends the wireless space-time network path information of the monitoring module to the monitoring module;
the monitoring module receives the wireless space-time network path information and notifies the pressing plate state monitoring information transmission module.
5. The method of claim 1, wherein the monitoring module sends a platen status monitoring information message to the sink node based on the wireless spatio-temporal network path information, and receives a confirmation message sent by the sink node, comprising:
the monitoring module sends a pressing plate state monitoring information message with identity Identification (ID) information according to a wireless space-time network path;
and the sink node receives the pressing plate state monitoring information message, performs validity verification of the identity identification ID, and sends a confirmation message containing the identity identification ID and time service information after the verification is correct.
6. The method according to claim 1, wherein the method further comprises:
and the monitoring module receives the confirmation message, updates the clock of the monitoring module, enters a sleep waiting mode, and closes the power supply of the wireless signal transmitting hardware loop.
7. The method according to claim 1, wherein the method further comprises:
the monitoring module triggers awakening according to the cycle time of the clock and/or the instant change of the state of the pressing plate, automatically enters a pressing plate state monitoring information transmission flow after awakening, and transmits the pressing plate state monitoring information according to the self-distributed wireless space-time network path.
8. A time slice based platen information transfer system, the system comprising:
the power-on initialization unit is used for enabling the monitoring module and the sink node to perform power-on initialization, the sink node performs time slice channel division, and the monitoring module acquires an identity ID and sends a time service application instruction to the time service module;
the time service unit is used for enabling the monitoring module to receive the time service information message which is sent by the sink node after the validity check is performed on the basis of the time service application instruction;
the wireless space-time network path information distribution unit is used for enabling the monitoring module to send a time slice channel application message to the sink node and receiving wireless space-time network path information sent by the sink node;
and the transmission pressing plate state monitoring information unit is used for enabling the monitoring module to send pressing plate state monitoring information messages to the sink node based on the wireless space-time network path information and receiving confirmation messages sent by the sink node.
9. The system of claim 8, wherein the power-on initialization unit is configured to initialize the monitoring module and the sink node, the sink node performs time slice channel division, and the monitoring module obtains the ID and sends a timing application instruction to the timing module, and the system comprises:
powering up the sink node, starting a hardware circuit, and performing software and hardware self-checking;
after successful power-on initialization of the sink node, the time slice channels are divided by the following formula, which comprises the following steps:
wherein T is the channel bandwidth of the 1 minute time slice; m represents a 1 minute period; n represents the number of time use monitoring modules;
the monitoring module is electrified, a hardware circuit is started, and software and hardware self-inspection is carried out; reading the identity ID of the hardware chip;
and after the monitoring module is successfully electrified and initialized, sending a time service application instruction to the time service module.
10. The system of claim 8, wherein the time service unit causes the monitoring module to receive a time service information message sent by the sink node after the validity check is performed based on the time service application instruction, and the time service information message includes:
the sink node performs validity verification of the identity identification ID in the application instruction, and after verification is correct, issues a time service information message with the identity identification ID information;
the monitoring module receives the time service information message, performs validity check and time information check of the identity identification ID, updates the self clock after the verification is correct, and runs in a self-time-keeping mode by the self clock;
the monitoring module receives time service information messages of the sink nodes when the monitoring module wakes up or changes the state monitoring information of the upper pressure plate at each period.
11. The system of claim 8, wherein the wireless space-time network path information allocation unit causes the monitoring module to send a time slice channel application message to the sink node and receive wireless space-time network path information sent by the sink node, comprising:
the monitoring module sends a time slice channel application message to the sink node;
the sink node sorts the time slice channels distributed by the time slice channel distribution module according to the time points of the channels from small to large, and traverses and searches idle channels;
after the sink node finds the idle channel, the sink node establishes an association relation between the channel number and the identity identification ID of the monitoring module, and a wireless space-time network path of the monitoring module is generated;
the convergence node sends the wireless space-time network path information of the monitoring module to the monitoring module;
the monitoring module receives the wireless space-time network path information and notifies the pressing plate state monitoring information transmission module.
12. The system of claim 8, wherein the transmitting the platen state monitoring information unit causes the monitoring module to send a platen state monitoring information message to the sink node based on the wireless spatiotemporal network path information, and to receive a confirmation message sent by the sink node, comprises:
the monitoring module sends a pressing plate state monitoring information message with identity Identification (ID) information according to a wireless space-time network path;
and the sink node receives the pressing plate state monitoring information message, performs validity verification of the identity identification ID, and sends a confirmation message containing the identity identification ID and time service information after the verification is correct.
13. The system of claim 8, wherein the system further comprises:
the sleep waiting mode entering unit is used for enabling the monitoring module to receive the confirmation message, updating the clock of the monitoring module and then entering the sleep waiting mode, and closing the power supply of the wireless signal transmitting hardware loop.
14. The system of claim 8, wherein the system further comprises:
the awakening unit is used for enabling the monitoring module to trigger awakening according to the cycle time of the clock and/or the instant change of the state of the pressing plate, automatically entering the pressing plate state monitoring information transmission flow after being awakened, and transmitting the pressing plate state monitoring information according to the wireless space-time network path distributed by the monitoring module.
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| CN202210837089.1A CN116095622A (en) | 2022-07-15 | 2022-07-15 | Time slice-based pressing plate information transmission method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117221978A (en) * | 2023-09-11 | 2023-12-12 | 国网江苏省电力有限公司电力科学研究院 | Passive array-assisted data transmission method and device between nodes of electric power Internet of things |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117221978A (en) * | 2023-09-11 | 2023-12-12 | 国网江苏省电力有限公司电力科学研究院 | Passive array-assisted data transmission method and device between nodes of electric power Internet of things |
| CN117221978B (en) * | 2023-09-11 | 2024-04-30 | 国网江苏省电力有限公司电力科学研究院 | Passive array-assisted data transmission method and device between nodes of electric power Internet of things |
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