CN116095622A - A time-slicing-based platen information transmission method and system - Google Patents

Abstract

The invention discloses a method and system for transmitting platen information based on time slicing, including: a monitoring module and a convergence node perform power-on initialization, the convergence node divides time slice channels, and the monitoring module obtains an identification ID and sends a timing application command to Timing module; the monitoring module receives the timing information message that the convergence node performs legality verification based on the timing application instruction, and sends it after the verification is passed; the monitoring module sends a time slice channel application message to the convergence node, and receives the convergence node The transmitted wireless space-time network path information; the monitoring module sends a pressure plate status monitoring information message to the convergence node based on the wireless space-time network path information, and receives a confirmation message sent by the convergence node. The invention forms a unique mapping relationship between a single monitoring module and a time slice channel by allocating the wireless time-space network path to the time slice information, and solves the problems of channel congestion and information loss in the wireless transmission process.

Description

A time-slicing-based platen information transmission method and system

technical field

The present invention relates to the technical field of power system automation, and more specifically, to a method and system for transmitting platen information based on time slices.

Background technique

The pressure plate of the relay protection device is a key bridge connecting the relay protection device with the external wiring. It is related to whether the function of the equipment and the action outlet can function normally. A breakpoint that cannot be completely closed is added to the secondary circuit; therefore, the state monitoring and checking of the pressure plate is particularly important in the operation and maintenance work; when the equipment pressure plate changes the operation mode of the power grid, it often involves the switching on and off of the pressure plate, and the wrong switching of the pressure plate Retirement directly affects the realization and application of the relay protection function, and in severe cases, it will cause the failure of the relay protection function.

At present, the operation and maintenance of substations mainly rely on manual methods to identify the state of the secondary circuit pressure plate, and the input and withdrawal of the pressure plate and the status confirmation are also completely dependent on manual methods; with the development of secondary technology, the pressure plate of the relay protection device shows an integrated and composite function. The layout mode of the pressure plate is gradually changed to simplified and standardized, which objectively provides the conditions for the intelligent transformation of the inspection and operation and maintenance methods; therefore, the intelligent collection and reliable transmission of the state information of the pressure plate of the secondary circuit are realized through scientific technical means , Realize remote real-time monitoring of the pressure plate status, accurately obtain the status of the protection pressure plate, and ensure the correctness of throwing and withdrawing, which has practical engineering significance, and reduces the influence of artificial factors in the pressure plate inspection, thereby comprehensively improving the operation and management level of the protection pressure plate.

Currently, there are two modes of transmission of press plate status information in engineering applications: wired and wireless. When using the wireless mode, the press plate status monitoring module transmits the status information to the aggregation node device through wireless micro-power signals. At the same time, in order to solve the difficult problem of on-site power supply construction, the The pressure plate status monitoring module is designed to be powered by batteries. The monitoring module will adopt a sleep mode in order to save battery life. In this mode, the aggregation node cannot actively call the monitoring module information. When the node receives hundreds of monitoring module signals, there will be irregular collisions of wireless micro-power signals, which will cause the sink node device to fail to receive accurate signals of the pressure plate status reliably and completely; therefore, it is necessary to develop a new pressure plate information transmission method to Solve existing problems.

Contents of the invention

The present invention proposes a time-slicing-based press plate information transmission method and system to solve the problem of signal collision and loss of information during micro-power signal transmission of the press plate state by the press plate state monitoring module.

In order to solve the above problems, according to one aspect of the present invention, a time slice-based platen information transmission method is provided, the method comprising:

The monitoring module and the aggregation node are powered on and initialized, the aggregation node divides the time slice channel, the monitoring module obtains the identification ID and sends the timing application command to the timing module;

The monitoring module receives the timing information message sent by the convergence node based on the timing application instruction for legality verification, and after the verification is passed;

The monitoring module sends a time slice channel application message to the sink node, and receives the wireless space-time network path information sent by the sink node;

The monitoring module sends a pressure plate status monitoring information message to the convergence node based on the wireless space-time network path information, and receives a confirmation message sent by the convergence node.

Preferably, wherein the monitoring module and the convergence node are powered on and initialized, the convergence node divides the time slice channel, and the monitoring module obtains the identification ID and sends a timing application instruction to the timing module, including:

Power on the aggregation node, start the hardware circuit and perform software and hardware self-test;

其中，T为1分钟时间片的信道带宽；M表示1分钟时间段；N表示时间使用监测模块数量；After the sink node is powered on and initialized successfully, use the following formula to divide the time slice channel, including:

Among them, T is the channel bandwidth of a time slice of 1 minute; M represents a time period of 1 minute; N represents the number of time usage monitoring modules;

Power on the monitoring module, start the hardware circuit, and perform software and hardware self-test; read the identification ID of the hardware chip;

After the monitoring module is powered on and initialized successfully, it sends a timing application command to the timing module.

Preferably, the monitoring module receives the time service information message sent by the convergence node based on the time service application instruction to verify the legitimacy, and after the verification is passed, including:

The convergence node performs the legality verification of the identification ID in the application instruction, and after the verification is correct, it will issue a timing information message with the identification ID information;

The monitoring module receives the time service information message, performs the legality verification of the identity identification ID and the time information verification, and updates its own clock after the verification is correct, and the monitoring module runs on time with its own clock;

Wherein, the monitoring module receives the timing information message of the sink node every time it wakes up periodically or changes the status monitoring information of the upper platen.

Preferably, the monitoring module sends a time slice channel application message to the convergence node, and receives the wireless space-time network path information sent by the convergence node, including:

The monitoring module sends a time slice channel application message to the aggregation node;

The aggregation node sorts the time slice channels allocated by the time slice channel allocation module from small to large according to the time points of the channels, and traverses to find idle channels;

After the convergence node finds an idle channel, it establishes an association relationship between the channel number and the identification ID of the monitoring module, and generates a wireless space-time network path of the monitoring module;

The aggregation node sends a message to the monitoring module for the wireless space-time network path information of the monitoring module;

The monitoring module receives the path information of the wireless spatio-temporal network, and notifies the pressure plate state monitoring information transmission module.

Preferably, the monitoring module sends a pressure plate status monitoring information message to the convergence node based on the wireless space-time network path information, and receives a confirmation message sent by the convergence node, including:

The monitoring module sends the pressure plate status monitoring information message with identification ID information according to the wireless space-time network path;

The aggregation node receives the pressure plate state monitoring information message, and performs a legality verification of the identification ID. After the verification is correct, it will issue a confirmation message containing the identification ID and timing information.

Preferably, wherein said method further comprises:

After receiving the confirmation message, the monitoring module updates its own clock and enters the sleep waiting mode, and turns off the power supply of the wireless signal transmitting hardware circuit.

Preferably, wherein said method further comprises:

The monitoring module triggers wake-up according to the cycle time of the clock and/or the immediate change of the pressure plate state, automatically enters the pressure plate state monitoring information transmission process after being awakened, and transmits the pressure plate state monitoring information according to its own allocated wireless space-time network path.

According to another aspect of the present invention, a time-slicing-based platen information transmission system is provided, the system comprising:

The power-on initialization unit is used to enable the monitoring module and the convergence node to perform power-on initialization, the convergence node divides the time slice channel, and the monitoring module obtains the identification ID and sends a timing application instruction to the timing module;

The timing unit is used to enable the monitoring module to receive the timing information message sent by the convergence node based on the timing application instruction to verify the validity and pass the verification;

The wireless space-time network path information allocation unit is used to make the monitoring module send the time slice channel application message to the convergence node, and receive the wireless space-time network path information sent by the convergence node;

The transmitting pressure plate status monitoring information unit is configured to enable the monitoring module to send a pressure plate status 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, wherein the power-on initialization unit enables the monitoring module and the convergence node to perform power-on initialization, the convergence node divides the time slice channel, and the monitoring module obtains the identification ID and sends a timing application instruction to the timing module, including:

Power on the aggregation node, start the hardware circuit and perform software and hardware self-test;

其中，T为1分钟时间片的信道带宽；M表示1分钟时间段；N表示时间使用监测模块数量；After the sink node is powered on and initialized successfully, use the following formula to divide the time slice channel, including:

Among them, T is the channel bandwidth of a time slice of 1 minute; M represents a time period of 1 minute; N represents the number of time usage monitoring modules;

Power on the monitoring module, start the hardware circuit, and perform software and hardware self-test; read the identification ID of the hardware chip;

After the monitoring module is powered on and initialized successfully, it sends a timing application command to the timing module.

Preferably, the timing unit enables the monitoring module to receive the timing information message sent by the convergence node based on the timing application instruction to verify the validity and pass the verification, including:

The convergence node performs the legality verification of the identification ID in the application instruction, and after the verification is correct, it will issue a timing information message with the identification ID information;

The monitoring module receives the time service information message, performs the legality verification of the identity identification ID and the time information verification, and updates its own clock after the verification is correct, and the monitoring module runs on time with its own clock;

Wherein, the monitoring module receives the timing information message of the sink node every time it wakes up periodically or changes the status monitoring information of the upper platen.

Preferably, the wireless space-time network path information allocation unit enables the monitoring module to send a time slice channel application message to the convergence node, and receive the wireless space-time network path information sent by the convergence node, including:

The monitoring module sends a time slice channel application message to the aggregation node;

The aggregation node sorts the time slice channels allocated by the time slice channel allocation module from small to large according to the time points of the channels, and traverses to find idle channels;

After the convergence node finds an idle channel, it establishes an association relationship between the channel number and the identification ID of the monitoring module, and generates a wireless space-time network path of the monitoring module;

The aggregation node sends a message to the monitoring module for the wireless space-time network path information of the monitoring module;

The monitoring module receives the path information of the wireless spatio-temporal network, and notifies the pressure plate state monitoring information transmission module.

Preferably, the unit for transmitting pressure plate state monitoring information enables the monitoring module to send a pressure plate state monitoring information message to the convergence node based on the wireless space-time network path information, and receive a confirmation message issued by the convergence node, including:

The monitoring module sends the pressure plate status monitoring information message with identification ID information according to the wireless space-time network path;

The aggregation node receives the pressure plate state monitoring information message, and performs a legality verification of the identification ID. After the verification is correct, it will issue a confirmation message containing the identification ID and timing information.

Preferably, wherein said system also includes:

The dormant waiting mode entry unit is used to enable the monitoring module to enter the dormant waiting mode after receiving the confirmation message, update its own clock, and turn off the power supply of the wireless signal transmitting hardware circuit.

Preferably, wherein said system also includes:

The wake-up unit is used to trigger the monitoring module to wake up according to the cycle time of the clock and/or the instant change of the pressure plate state, and automatically enter the pressure plate state monitoring information transmission process after being awakened, and transmit the pressure plate state monitoring information according to the wireless space-time network path allocated by itself .

The present invention provides a method and system for transmitting platen information based on time slicing, including: a monitoring module and a convergence node perform power-on initialization, the convergence node divides time slice channels, and the monitoring module obtains an identification ID and sends a timing application command to Timing module; the monitoring module receives the timing information message that the convergence node performs legality verification based on the timing application instruction, and sends it after the verification is passed; the monitoring module sends a time slice channel application message to the convergence node, and receives the convergence node The transmitted wireless space-time network path information; the monitoring module sends a pressure plate status monitoring information message to the convergence node based on the wireless space-time network path information, and receives a confirmation message sent by the convergence node. After the pressure plate monitoring module successfully provides time, the invention forms a unique mapping relationship between a single monitoring module and a time slice channel by allocating the time slice information through a wireless space-time network path, and solves the problem of channel congestion caused by multiple monitoring module data concurrency in the wireless transmission process , The problem of information loss; at the same time, the information transmission method is changed from the one-way broadcast method to the two-way interactive method, a mutual confirmation mechanism is added, the number of signal retransmissions is reduced, and the signal is guaranteed to arrive completely and reliably.

Description of drawings

A more complete understanding of the exemplary embodiments of the present invention can be had by referring to the following drawings:

FIG. 1 is a flowchart of a method 100 for transmitting platen information based on time slices 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 divided time slice channels according to an embodiment of the present invention;

Fig. 4 is a schematic diagram of assigning a wireless space-time network path according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a platen information transmission system 500 based on time slices according to an embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units/elements are given the same reference numerals.

Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or overly formal meanings.

FIG. 1 is a flowchart of a method 100 for transmitting platen information based on time slices according to an embodiment of the present invention. As shown in Figure 1, in the time-sliced-based platen information transmission method provided by the embodiment of the present invention, after the platen monitoring module is successfully timed, the wireless space-time network path allocation is performed on the time slice information to form a connection between a single monitoring module and a time slice channel. The unique mapping relationship solves the problem of channel congestion and information loss caused by concurrent data of multiple monitoring modules in the wireless transmission process; at the same time, the information transmission mode is changed from one-way broadcast mode to two-way interactive mode, and a mutual confirmation mechanism is added to reduce signal retransmission times to ensure that the signal arrives completely and reliably. The time-slicing-based pressure plate information transmission method 100 provided by the embodiment of the present invention starts from step 101. In step 101, the monitoring module and the convergence node perform power-on initialization, the convergence node divides the time slice channel, and the monitoring module obtains the identification ID. And send the timing application instruction to the timing module.

Preferably, wherein the monitoring module and the convergence node are powered on and initialized, the convergence node divides the time slice channel, and the monitoring module obtains the identification ID and sends a timing application instruction to the timing module, including:

Power on the aggregation node, start the hardware circuit and perform software and hardware self-test;

其中，T为1分钟时间片的信道带宽；M表示1分钟时间段；N表示时间使用监测模块数量；After the sink node is powered on and initialized successfully, use the following formula to divide the time slice channel, including:

Among them, T is the channel bandwidth of a time slice of 1 minute; M represents a time period of 1 minute; N represents the number of time usage monitoring modules;

Power on the monitoring module, start the hardware circuit, and perform software and hardware self-test; read the identification ID of the hardware chip;

After the monitoring module is powered on and initialized successfully, it sends a timing application command to the timing module.

The time-slicing-based press plate information transmission method of the present invention can solve the problem of signal collision and loss of information when the press plate state monitoring module performs micropower signal transmission on the press plate state.

As shown in FIG. 2 , in the embodiment of the present invention, power-on initialization is first performed, time slice channels are divided, the unique ID of the hardware chip is read, and the timing module is notified to prepare to issue a timing application command. Specifically, including:

Step 1-1, start the hardware circuit, perform self-test on the hardware part, load the hardware driver, software program, and software self-test;

In step 1-2, after the aggregation node is powered on and initialized successfully, the communication bandwidth of the 1-minute time slice is obtained according to the time slice channel bandwidth formula, and the time slice channel bandwidth formula is:

Among them, M represents a time period of 1 minute, that is, 60000ms; N represents the number of time usage 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, and each channel bandwidth is 300ms, divided into time slices The channel is shown in Figure 3;

Steps 1-3: Power on the monitoring module, start the hardware circuit, and perform self-inspection on the hardware part, then load the hardware driver, software program, software self-inspection, and read the unique identification ID number of the hardware chip.

In steps 1-4, after the monitoring module is powered on and initialized successfully, it notifies the timing module to prepare to issue a timing application command.

In step 102, the monitoring module receives the time service information message sent by the sink node based on the validity check of the time service application instruction and after the verification is passed.

Preferably, the monitoring module receives the time service information message sent by the convergence node based on the time service application instruction to verify the legitimacy, and after the verification is passed, including:

The convergence node performs the legality verification of the identification ID in the application instruction, and after the verification is correct, it will issue a timing information message with the identification ID information;

The monitoring module receives the time service information message, performs the legality verification of the identity identification ID and the time information verification, and updates its own clock after the verification is correct, and the monitoring module runs on time with its own clock;

Wherein, the monitoring module receives the timing information message of the sink node every time it wakes up periodically or changes the status monitoring information of the upper platen.

As shown in FIG. 2 , in the embodiment of the present invention, after initialization and power-on, the aggregation node provides timing; the monitoring module sends a timing application message, and the aggregation node issues a timing packet after the validity verification. Specifically, including:

Step 2-1, the monitoring module broadcasts the timing application command containing the ID information through the wireless micro-power signal, and the monitoring module will send the application command once at an interval of 300ms/time, and send it five times in a row. When the timing command message of the sink node is stopped immediately;

Step 2-2, when the aggregation node receives the timing application from the monitoring module, it checks the legality of the identification ID, and after the verification is correct, it will issue a time information message with the identification ID information;

Step 2-3, the monitoring module receives the timing information message of the aggregation node, performs the legality verification of the identity identification ID, the time information verification, updates its own clock after the verification is correct, and the monitoring module operates on its own clock;

In steps 2-4, the monitoring module receives timing instructions from the sink node each time it wakes up periodically or changes the state monitoring information of the upper platen.

In step 103, the monitoring module sends a time slice channel application message to the convergence node, and receives the wireless space-time network path information sent by the convergence node.

Preferably, the monitoring module sends a time slice channel application message to the convergence node, and receives the wireless space-time network path information sent by the convergence node, including:

The monitoring module sends a time slice channel application message to the aggregation node;

The aggregation node sorts the time slice channels allocated by the time slice channel allocation module from small to large according to the time points of the channels, and traverses to find idle channels;

After the convergence node finds an idle channel, it establishes an association relationship between the channel number and the identification ID of the monitoring module, and generates a wireless space-time network path of the monitoring module;

The aggregation node sends a message to the monitoring module for the wireless space-time network path information of the monitoring module;

The monitoring module receives the path information of the wireless spatio-temporal network, and notifies the pressure plate state monitoring information transmission module.

As shown in FIG. 2 and FIG. 4, in the embodiment of the present invention, allocating wireless space-time network paths includes: the monitoring module sends a time slice channel application message, the aggregation node sorts the time points of the channels from small to large, and traverses to find For an idle channel, a relationship between the channel number and the ID of the monitoring module is established, and the convergence node sends a message to the monitoring module with the path information of the wireless space-time network. Specifically, including:

Step 3-1, the monitoring module sends a time slice channel application message;

Step 3-2, the aggregation node sorts the time slots of the channels from small to large according to the time slice channels allocated by the time slice channel allocation module, and traverses to find idle channels;

Step 3-3, after the aggregation node finds an idle channel, establishes an association relationship between the channel number and the identification ID of the monitoring module, and generates a wireless space-time network path of the monitoring module;

Step 3-4, the aggregation node sends a message to the monitoring module for the wireless space-time network path information;

In step 3-5, after receiving the wireless space-time network path allocated by the sink node, the monitoring module notifies the pressure plate status monitoring information transmission module.

By dividing 200 time slices into one minute, the present invention can construct a maximum of 200 wireless space-time network path channels, which meets the requirements of the actual application quantity of the on-site pressure plate state monitoring module, and achieves the wireless signal transmission of each monitoring module without mutual interference and signal The mutual collision phenomenon ensures the reliability and stability of the information transmission of the pressure plate state monitoring, and improves the accuracy and timeliness of the state information of the pressure plate.

In step 104, the monitoring module sends a pressure plate status 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 pressure plate status monitoring information message to the convergence node based on the wireless space-time network path information, and receives a confirmation message sent by the convergence node, including:

The monitoring module sends the pressure plate status monitoring information message with identification ID information according to the wireless space-time network path;

The aggregation node receives the pressure plate state monitoring information message, and performs a legality verification of the identification ID. After the verification is correct, it will issue a confirmation message containing the identification ID and timing information.

As shown in FIG. 2, in the embodiment of the present invention, when transmitting the state monitoring information of the pressure plate, the monitoring module detects the state of the pressure plate, and sends the state and identification information of the pressure plate state monitoring information message, and the aggregation node pairs the monitoring information After the validity of the message is verified, the status information is updated, and the confirmation and time delivery messages are issued. Specifically, including:

Step 4-1, the monitoring module sends the pressure plate state monitoring information message with the identification ID information according to the wireless space-time network path;

Step 4-2, the aggregation node receives the pressure plate status monitoring information message of the monitoring module, and performs the legality verification of the identification ID. After the verification is correct, it will issue a confirmation message containing the identification ID and timing information;

Step 4-3, if the monitoring module cannot receive the confirmation message of the sink node, then send the status monitoring information message at a time interval of 50ms until the end of the 300ms channel bandwidth, and stop sending;

In step 4-4, if the monitoring module receives the confirmation message, it updates its own clock.

Preferably, wherein said method further comprises:

After receiving the confirmation message, the monitoring module updates its own clock and enters the sleep waiting mode, and turns off the power supply of the wireless signal transmitting hardware circuit.

Preferably, wherein said method further comprises:

The monitoring module triggers wake-up according to the cycle time of the clock and/or the immediate change of the pressure plate state, automatically enters the pressure plate state monitoring information transmission process after being awakened, and transmits the pressure plate state monitoring information according to its own allocated wireless space-time network path.

In the present invention, after the monitoring module updates the 81EA body clock, it enters the dormant waiting mode; the power supply of the wireless signal transmitting hardware circuit is turned off.

The monitoring module wakes up periodically or changes, including: the platen state monitoring module will wake up according to the clock cycle time; the platen state monitoring module will trigger wake-up according to the instant change of the platen state; after being awakened, it will automatically enter the platen state monitoring information transmission process, according to The self-assigned wireless space-time network path transmits pressure plate status monitoring information.

The time-slicing-based pressing plate information transmission method of the present invention, through the power-on initialization of the device, applies for the time slice channel, the time service of the convergence node, allocates the time slice channel, establishes the connection, transmits the state monitoring information of the pressing plate, enters dormancy, wakes up the transmission pressing plate periodically or changes Realize reliable and stable real-time monitoring of the pressure plate state, improve the reliability of pressure plate monitoring, improve the efficiency of pressure plate state inspection, improve the reliability of the secondary circuit operation of relay protection, improve the safety and stability of power grid operation, and enhance information transmission security, stability and reliability

The present invention is based on the existing pressure plate state monitoring module and pressure plate state monitoring convergence node equipment, and does not require additional hardware. Compared with traditional wireless micro-power information transmission, the present invention realizes wireless micro-power transmission of pressure plate state information based on time slicing technology The space-time path is solidified, and the time-slicing is used to divide the space-time network path of wireless micro-power signal transmission, which reduces the risk of signal collision loss during the transmission of more wireless micro-power signals, and enhances the stability and reliability of information transmission; It provides scientific technical support, improves the state monitoring ability of the secondary circuit pressure plate, reduces the difficulty of operation and maintenance of the pressure plate, and improves the efficiency of operation and maintenance, which is of great significance for improving the safe and stable operation of the power grid.

FIG. 5 is a schematic structural diagram of a platen information transmission system 500 based on time slices according to an embodiment of the present invention. As shown in FIG. 5 , the time slice-based platen information transmission system 500 provided by the embodiment of the present invention includes: a power-on initialization unit 501, a timing unit 502, a wireless space-time network path information distribution unit 503, and a transmission platen status monitoring information unit 504 .

Preferably, the power-on initialization unit 501 is configured to enable the monitoring module and the convergence node to perform power-on initialization, the convergence node divides time slice channels, and the monitoring module obtains the identification ID and sends a timing application instruction to the timing module.

Preferably, the power-on initialization unit 501 enables the monitoring module and the convergence node to perform power-on initialization, the convergence node divides the time slice channel, and the monitoring module obtains the identification ID and sends a timing application instruction to the timing module, including:

Power on the aggregation node, start the hardware circuit and perform software and hardware self-test;

其中，T为1分钟时间片的信道带宽；M表示1分钟时间段；N表示时间使用监测模块数量；After the sink node is powered on and initialized successfully, use the following formula to divide the time slice channel, including:

Among them, T is the channel bandwidth of a time slice of 1 minute; M represents a time period of 1 minute; N represents the number of time usage monitoring modules;

Power on the monitoring module, start the hardware circuit, and perform software and hardware self-test; read the identification ID of the hardware chip;

After the monitoring module is powered on and initialized successfully, it sends a timing application command to the timing module.

Preferably, the timing unit 502 is configured to enable the monitoring module to receive a timing information message sent by the convergence node based on the timing application instruction to verify the validity and pass the verification.

Preferably, the timing unit 502 enables the monitoring module to receive the timing information message sent by the convergence node based on the timing application instruction to verify the validity and pass the verification, including:

The convergence node performs the legality verification of the identification ID in the application instruction, and after the verification is correct, it will issue a timing information message with the identification ID information;

The monitoring module receives the time service information message, performs the legality verification of the identity identification ID and the time information verification, and updates its own clock after the verification is correct, and the monitoring module runs on time with its own clock;

Wherein, the monitoring module receives the timing information message of the sink node every time it wakes up periodically or changes the status monitoring information of the upper platen.

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 message to the convergence node, and receive the wireless space-time network path information sent by the convergence node.

Preferably, the wireless space-time network path information allocation unit 503 enables the monitoring module to send a time slice channel application message to the convergence node, and receive the wireless space-time network path information sent by the convergence node, including:

The monitoring module sends a time slice channel application message to the aggregation node;

The aggregation node sorts the time slice channels allocated by the time slice channel allocation module from small to large according to the time points of the channels, and traverses to find idle channels;

After the convergence node finds an idle channel, it establishes an association relationship between the channel number and the identification ID of the monitoring module, and generates a wireless space-time network path of the monitoring module;

The aggregation node sends a message to the monitoring module for the wireless space-time network path information of the monitoring module;

The monitoring module receives the path information of the wireless spatio-temporal network, and notifies the pressure plate state monitoring information transmission module.

Preferably, the transmitting platen state monitoring information 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 transmission pressure plate status monitoring information unit 504 enables the monitoring module to send a pressure plate status monitoring information message to the convergence node based on the wireless space-time network path information, and receive a confirmation message sent by the convergence node, including:

The monitoring module sends the pressure plate status monitoring information message with identification ID information according to the wireless space-time network path;

The aggregation node receives the pressure plate state monitoring information message, and performs a legality verification of the identification ID. After the verification is correct, it will issue a confirmation message containing the identification ID and timing information.

Preferably, wherein said system also includes:

The dormant waiting mode entry unit is used to enable the monitoring module to enter the dormant waiting mode after receiving the confirmation message, update its own clock, and turn off the power supply of the wireless signal transmitting hardware circuit.

Preferably, wherein said system also includes:

The wake-up unit is used to trigger the monitoring module to wake up according to the cycle time of the clock and/or the instant change of the pressure plate state, and automatically enter the pressure plate state monitoring information transmission process after being awakened, and transmit the pressure plate state monitoring information according to the wireless space-time network path allocated by itself .

The time-slicing-based platen information transmission system 500 in the embodiment of the present invention corresponds to the time-slicing-based platen information transmission method 100 in another embodiment of the present invention, and will not be repeated here.

The invention has been described with reference to a small number of embodiments. However, it is clear to a person skilled in the art that other embodiments than the invention disclosed above are equally 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/the/the [means, component, etc.]" are openly construed to mean at least one instance of said means, component, etc., unless expressly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.

Those skilled in the art should understand that the embodiments of the present application may be provided as methods, systems, or computer program products. 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, etc.) having computer-usable program code embodied therein.

The present application is described with reference to flowcharts and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention can still be Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention shall fall within the protection scope of the claims of the present invention.

Claims (14)

1. A pressing plate information transmission method based on time slice, it is characterized in that, described method comprises: The monitoring module and the aggregation node are powered on and initialized, the aggregation node divides the time slice channel, the monitoring module obtains the identification ID and sends the timing application command to the timing module; The monitoring module receives the timing information message sent by the convergence node based on the timing application instruction for legality verification, and after the verification is passed; The monitoring module sends a time slice channel application message to the sink node, and receives the wireless space-time network path information sent by the sink node; The monitoring module sends a pressure plate status monitoring information message to the convergence node based on the wireless space-time network path information, and receives a confirmation message sent by the convergence node. 2. The method according to claim 1, wherein the monitoring module and the convergence node perform power-on initialization, the convergence node divides the time slice channel, and the monitoring module obtains the identification ID and sends a timing application instruction to the timing module ,include: Power on the aggregation node, start the hardware circuit and perform software and hardware self-test; After the sink node is powered on and initialized successfully, use the following formula to divide the time slice channel, including:

Among them, T is the channel bandwidth of a time slice of 1 minute; M represents a time period of 1 minute; N represents the number of time usage monitoring modules; Power on the monitoring module, start the hardware circuit, and perform software and hardware self-test; read the identification ID of the hardware chip; After the monitoring module is powered on and initialized successfully, it sends a timing application command to the timing module. 3. The method according to claim 1, wherein the monitoring module receives the time service information message that the convergence node carries out legality verification based on the time service application instruction, and sends after the verification is passed, including: The convergence node performs the legality verification of the identification ID in the application instruction, and after the verification is correct, it will issue a timing information message with the identification ID information; The monitoring module receives the time service information message, performs the legality verification of the identity identification ID and the time information verification, and updates its own clock after the verification is correct, and the monitoring module runs on time with its own clock; Wherein, the monitoring module receives the timing information message of the sink node every time it wakes up periodically or changes the status monitoring information of the upper platen. 4. The method according to claim 1, wherein the monitoring module sends a time slice channel application message to the convergence node, and receives the wireless space-time network path information sent by the convergence node, including: The monitoring module sends a time slice channel application message to the aggregation node; The aggregation node sorts the time slice channels allocated by the time slice channel allocation module from small to large according to the time points of the channels, and traverses to find idle channels; After the convergence node finds an idle channel, it establishes an association relationship between the channel number and the identification ID of the monitoring module, and generates a wireless space-time network path of the monitoring module; The aggregation node sends a message to the monitoring module for the wireless space-time network path information of the monitoring module; The monitoring module receives the path information of the wireless spatio-temporal network, and notifies the pressure plate state monitoring information transmission module. 5. The method according to claim 1, wherein the monitoring module sends a pressure plate status monitoring information message to the convergence node based on the wireless space-time network path information, and receives a confirmation message issued by the convergence node, including : The monitoring module sends the pressure plate status monitoring information message with identification ID information according to the wireless space-time network path; The aggregation node receives the pressure plate state monitoring information message, and performs a legality verification of the identification ID. After the verification is correct, it will issue a confirmation message containing the identification ID and timing information. 6. The method according to claim 1, further comprising: After receiving the confirmation message, the monitoring module updates its own clock and enters the sleep waiting mode, and turns off the power supply of the wireless signal transmitting hardware circuit. 7. The method according to claim 1, further comprising: The monitoring module triggers wake-up according to the cycle time of the clock and/or the immediate change of the pressure plate state, automatically enters the pressure plate state monitoring information transmission process after being awakened, and transmits the pressure plate state monitoring information according to its own allocated wireless space-time network path. 8. A platen information transmission system based on time slicing, characterized in that the system comprises: The power-on initialization unit is used to enable the monitoring module and the convergence node to perform power-on initialization, the convergence node divides the time slice channel, and the monitoring module obtains the identification ID and sends a timing application command to the timing module; The timing unit is used to enable the monitoring module to receive the timing information message sent by the convergence node based on the timing application instruction to verify the validity and pass the verification; The wireless space-time network path information allocation unit is used to make the monitoring module send the time slice channel application message to the convergence node, and receive the wireless space-time network path information sent by the convergence node; The transmitting pressure plate status monitoring information unit is configured to enable the monitoring module to send a pressure plate status 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. 9. The system according to claim 8, wherein the power-on initialization unit enables the monitoring module and the convergence node to perform power-on initialization, the convergence node divides time slice channels, and the monitoring module obtains the identification ID and sends Timing application instructions to the timing module, including: Power on the aggregation node, start the hardware circuit and perform software and hardware self-test; After the sink node is powered on and initialized successfully, use the following formula to divide the time slice channel, including:

Among them, T is the channel bandwidth of a time slice of 1 minute; M represents a time period of 1 minute; N represents the number of time usage monitoring modules; Power on the monitoring module, start the hardware circuit, and perform software and hardware self-test; read the identification ID of the hardware chip; After the monitoring module is powered on and initialized successfully, it sends a timing application command to the timing module. 10. The system according to claim 8, wherein the timing unit enables the monitoring module to receive the timing information message sent by the convergence node based on the timing application instruction to verify the validity and pass the verification ,include: The convergence node performs the legality verification of the identification ID in the application instruction, and after the verification is correct, it will issue a timing information message with the identification ID information; The monitoring module receives the time service information message, performs the legality verification of the identity identification ID and the time information verification, and updates its own clock after the verification is correct, and the monitoring module runs on time with its own clock; Wherein, the monitoring module receives the timing information message of the sink node every time it wakes up periodically or changes the status monitoring information of the upper platen. 11. The system according to claim 8, wherein the wireless space-time network path information allocation unit enables the monitoring module to send a time slice channel application message to the convergence node, and receive the wireless space-time network path information sent by the convergence node ,include: The monitoring module sends a time slice channel application message to the aggregation node; The aggregation node sorts the time slice channels allocated by the time slice channel allocation module from small to large according to the time points of the channels, and traverses to find idle channels; After the convergence node finds an idle channel, it establishes an association relationship between the channel number and the identification ID of the monitoring module, and generates a wireless space-time network path of the monitoring module; The aggregation node sends a message to the monitoring module for the wireless space-time network path information of the monitoring module; The monitoring module receives the path information of the wireless spatio-temporal network, and notifies the pressure plate state monitoring information transmission module. 12. The system according to claim 8, wherein the unit for transmitting pressure plate state monitoring information enables the monitoring module to send a pressure plate state monitoring information message to the convergence node based on the wireless space-time network path information, and receive the pressure plate state monitoring information message from the convergence node The issued confirmation message includes: The monitoring module sends the pressure plate status monitoring information message with identification ID information according to the wireless space-time network path; The aggregation node receives the pressure plate state monitoring information message, and performs a legality verification of the identification ID. After the verification is correct, it will issue a confirmation message containing the identification ID and timing information. 13. The system according to claim 8, further comprising: The dormant waiting mode entry unit is used to enable the monitoring module to enter the dormant waiting mode after receiving the confirmation message, update its own clock, and turn off the power supply of the wireless signal transmitting hardware circuit. 14. The system according to claim 8, further comprising: The wake-up unit is used to trigger the monitoring module to wake up according to the cycle time of the clock and/or the instant change of the pressure plate state, and automatically enter the pressure plate state monitoring information transmission process after being awakened, and transmit the pressure plate state monitoring information according to the wireless space-time network path allocated by itself .

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