CN110933141B - Rail transit power supply simulation system and mode - Google Patents
Rail transit power supply simulation system and mode Download PDFInfo
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Abstract
A rail transit power supply simulation system and method comprises an information message transmission program of sensing information for transmitting the information message of the sensing information, wherein the IP address of a monitoring device, the IP address of a background terminal, a field for control, a field for information quantity statistics and a field for information quantity regulation are NULL; setting a parameter X in the information quantity statistical program to represent the number of information messages of sensing information permitted to be transmitted by the monitoring device, setting a parameter Y for performing statistics on the information messages of the sensing information transmitted by the monitoring device, and setting a time length for registering and receiving the information messages for the information messages of the sensing information by the time recorder Z; by combining with other structures and methods, the defects that packet dropping of the information message in the prior art can cause error detection codes, the monitoring device and the background terminal can not obtain the performance of the 3G network, and the information quantity adjusting and matching mode of the monitoring device and the background terminal can lose functions are effectively avoided.
Description
Technical Field
The invention relates to the technical field of rail transit power supply, belongs to the technical field of simulation, and particularly relates to a rail transit power supply simulation system and a rail transit power supply simulation mode.
Background
According to the definition in the classification standard of urban public transportation (CJJ/T114-2007) published by the Ministry of construction of the people's republic of China in 2007, urban rail transit is a vehicle transportation system which adopts a rail structure for bearing and guiding, a fully-closed or partially-closed special rail line is arranged according to the requirement of the overall planning of urban transportation, and a public transportation mode of transporting passenger flow of a certain scale in the form of a train or a single vehicle is adopted.
People do a large amount of theoretical researches on the traction power supply system of the urban rail transit, and system simulation is taken as an important analysis and research means and plays an important role in the research process. The conventional rail transit power supply simulation test system generally comprises monitoring devices respectively connected with the main substation and the traction step-down substation, and the monitoring devices are used for respectively monitoring the running states of the main substation and the traction step-down substation. The input end and the output end of the rectifier unit and the energy feedback device are respectively provided with a voltage sensor and a current sensor, and each voltage sensor and each current sensor are connected with the control box; sensing signals of each of the voltage sensors and each of the current sensors are input to the control box, and the monitoring device obtains the sensing signals from the control box.
In addition, with the rise of 3G network remote technologies, in order to implement the purpose of remotely backing up the sensing signal, the monitoring device is connected to the 3G module, the 3G module is in communication connection with a background terminal in the 3G network, and the background terminal can be a microcomputer, a PC or a notebook computer, so that the monitoring device can transmit the sensing signal as the sensing information to the background terminal via the 3G network in the format of an information message for remote monitoring, and the 3G mode has high performance such as high transmission bandwidth, low delay and low packet drop rate, but also has a defect that the sensing information on the 3G network is received and transmitted in terms of adjustment of information quantity, which is to ensure that the sensing information between the monitoring device and the background terminal can be transmitted and processed in real time, when the background terminal cannot process in real time, the monitoring device terminates transmission, and when the background terminal can process in real time, the monitoring device transmits in real time, which is a matching mode of the monitoring device and the background terminal. However, when receiving a dropped packet information packet at the background terminal, the dropped packet of the information packet may be formed due to an error detection code and interference during transmission, and the monitoring device cannot obtain a response message, and when the 3G network is converted into a non-trigger state through a trigger state due to a fault, both the monitoring device and the background terminal cannot obtain the performance of the 3G network, and the information amount adjusting coordination mode of the condition monitoring device and the background terminal loses functions; therefore, through improvement, a method for adjusting the sensing information transmission information volume facing the 3G network is provided, the method is suitable for a monitoring device and a background terminal for sensing information transmission on the 3G network, the defect of adjusting the information volume occurring in the sensing information transmission period of the existing 3G network is improved, and the performance of sensing information transmission of the high 3G network can be improved.
Disclosure of Invention
In order to solve the problems, the invention provides a rail transit power supply simulation system and a rail transit power supply simulation mode, which effectively avoid the defects that packet dropping of information messages in the prior art can cause errors due to error detection codes, the performance of a 3G network cannot be obtained by a monitoring device and a background terminal, and the information quantity adjusting and matching mode of the monitoring device and the background terminal can lose functions.
In order to overcome the defects in the prior art, the invention provides a solution for a rail transit power supply simulation system and a rail transit power supply simulation mode, which comprises the following specific steps:
a rail transit power supply simulation system comprises a monitoring device, wherein the monitoring device obtains a sensing signal from a control box;
the monitoring device is connected with the 3G module, and the 3G module is in communication connection with a background terminal in the 3G network, so that the monitoring device can transmit a received sensing signal as sensing information to the background terminal via the 3G network in the form of an information message for display to achieve the purpose of remote monitoring; and during the period of transmitting to the background terminal through the 3G network, the monitoring device and the background terminal comprise a sensing information transmission information quantity adjusting mode facing the 3G network and are suitable for sensing information transmission on the 3G network.
The method of the rail transit power supply simulation system comprises a sensing information transmission information quantity adjusting mode facing to a 3G network, wherein the sensing information transmission information quantity adjusting mode facing to the 3G network is provided with information messages of sensing information.
The detailed procedure of the adjustment method for the information transmission quantity of the sensing information facing the 3G network is as follows:
1. 3G network operation: the information message transmission program of the sensing information transmits the information message of the sensing information, and the IP address of the monitoring device, the IP address of the background terminal, the field for control, the field for information quantity statistics and the field for information quantity regulation in the information message of the sensing information are NULL; setting a parameter X in the information quantity statistical program to represent the number of information messages of sensing information permitted to be transmitted by the monitoring device, setting a parameter Y for performing statistics on the information messages of the sensing information transmitted by the monitoring device, and setting a time length for registering and receiving the information messages for the information messages of the sensing information by the time recorder Z;
2. the information message receiving program of the sensing information receives the information message of the sensing information and registers the IP address of the background terminal, and the monitoring device and the background terminal store the IP addresses of each other, so that the 3G network can run;
3. when a 3G network detection program detects that information message transmission of sensing information exists on a 3G network, an information quantity statistical program control parameter Y plus a running time recorder Z is started, the information message transmission program of the sensing information transmits the information message of the sensing information, at the moment, an IP address of a monitoring device and an IP address of a background terminal in the information message of the sensing information respectively represent the IP addresses of the monitoring device and the background terminal, a field for control is a random value, a field for information quantity statistics is Y, and a field for information quantity regulation is NULL;
4. when the information message receiving program of the sensing information receives an information message of the sensing information, the information message of the sensing information is decoded.
The decoding method is as follows:
A. under the condition that the control field in the received information message of the sensing information is higher than the control field I in the transmitted information message of the sensing information, the information quantity statistical program controls the time recorder Z to return to zero, executes step B, or else discards the received information message of the sensing information, and waits for the information message of the next sensing information;
B. when the field for information quantity statistics in the received information message of the sensing information is not more than Y, the information quantity statistics program controls the time recorder Z to return to zero, executes C, otherwise discards the received information message of the sensing information, and waits for the information message of the next sensing information;
C. when the field for regulating the information quantity in the received information message of the sensing information is NULL, the background terminal receives an error-free information message of the sensing information, and the information quantity statistical program controls the parameter Y to be reduced by one and the time recorder Z to be zero; under the condition that a field for regulating the information quantity in the received information message of the sensing information is one, the background terminal is indicated to receive the information message of the sensing information with error, even if the background terminal receives the information message of the sensing information with error, for the monitoring device, the monitoring device achieves the process of transmitting the information message of the sensing information, so that the control parameter Y of the information quantity statistical program is reduced by one and the time recorder Z returns to zero; under the condition that the time recorder Z reaches the maximum time length registration, the 3G network is in an inactive state, the 3G network activation program transmits an activation command to the 3G network, and the information quantity statistical program returns the parameter Y and the time recorder Z to zero;
D. when the parameter Y in the information amount statistical program is not less than the parameter X, it indicates that the receiving performance of the background terminal for the sensing information is slower than that of the monitoring device, and at this time, the highest receiving performance of the background terminal is reached, so the monitoring device has to terminate the information message for transmitting the sensing information.
Here, the format of the information message of the sensing information is: the method comprises the steps that information message header identification, a message header, an IP address of a monitoring device, an IP address of a background terminal, a field for control, a field for information quantity statistics, a field for information quantity regulation, an error detection code and information message tail identification are carried out; the format of the information message of the sensing information meets the message format under the 3G standard, and the IP address of the monitoring device, the IP address of the background terminal, the field for control, the field for information quantity statistics and the field for information quantity regulation are introduced to achieve the performance transfer of the regulation of the information quantity of the monitoring device and the background terminal.
In addition, an information message transmission main program of the sensing information and an information quantity adjusting program are stored in a memory of the monitoring device, the information message transmission main program of the sensing information comprises an information message transmission program of the sensing information, and the background terminal comprises an information message receiving program of the sensing information; the message transmission program comprises a 3G network detection program, a 3G network activation program and an information quantity statistical program;
the information message transmission program of the sensing information is used for configuring and transmitting the information message of the sensing information, the information message receiving program of the sensing information is used for receiving and decoding the information message of the sensing information, and the transmission and the reception of the information message of the sensing information are independent of each other; the 3G network detection program is used for detecting whether the information message with the sensing information is transmitted on the 3G network, the 3G network activation program is used for transmitting an activation command to the 3G network, and the information quantity statistical program is used for starting, deducing and restoring the information quantity.
The invention has the beneficial effects that:
the sensing information transmission information quantity adjusting mode based on the 3G network comprises an information message transmission program and an information quantity adjusting program which introduce sensing information, is suitable for a monitoring device and a background terminal for sensing information transmission on the 3G network, is an improvement on the information quantity adjusting problem generated in the sensing information transmission period of the existing 3G network, and can improve the sensing information transmission performance of the 3G network.
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FIG. 1 is a flow chart of the method for adjusting the amount of sensing information transmitted in a 3G network according to the present invention.
Detailed description of the preferred embodiment
The invention will be further described with reference to the following figures and examples.
Example 1:
as shown in fig. 1, the rail transit power supply simulation system includes a monitoring device, which obtains the sensing signal from the control box;
that is, through improvement, in order to achieve the purpose of remotely backing up the sensing signal, the monitoring device is connected to the 3G module, the 3G module is in communication connection with a background terminal in the 3G network, and the background terminal can be a microcomputer, a PC or a notebook computer, so that the monitoring device can transmit the received sensing signal as sensing information to the background terminal via the 3G network in the format of an information message to achieve the purpose of remote monitoring; and during the period of transmitting to the background terminal through the 3G network, the monitoring device and the background terminal comprise a sensing information transmission information quantity adjusting mode facing the 3G network and are suitable for sensing information transmission on the 3G network.
The problem that an information quantity adjusting mode under the existing 3G specification is accompanied is that a packet-dropping information message is received at a background terminal, wherein the packet-dropping of the information message can be formed due to the error of an error detection code and the interference in a transmission period, a monitoring device cannot obtain a response message, and when a triggered state is converted into a non-triggered state due to a fault, the monitoring device and the background terminal cannot obtain the performance of a 3G network, so that the information quantity adjusting and matching mode of the condition monitoring device and the background terminal loses functions; therefore, through improvement, a method for adjusting the sensing information transmission information volume facing the 3G network is provided, the method is suitable for a monitoring device and a background terminal for sensing information transmission on the 3G network, the defect of adjusting the information volume occurring in the sensing information transmission period of the existing 3G network is improved, and the performance of sensing information transmission of the high 3G network can be improved.
The method of the rail transit power supply simulation system comprises a sensing information transmission information quantity adjusting mode facing to a 3G network, wherein the sensing information transmission information quantity adjusting mode facing to the 3G network is provided with information messages of sensing information.
The detailed procedure of the adjustment method for the information transmission quantity of the sensing information facing the 3G network is as follows:
1. the 3G network operates: the information message transmission program of the sensing information transmits the information message of the sensing information, and the IP address of the monitoring device, the IP address of the background terminal, the field for control, the field for information quantity statistics and the field for information quantity regulation in the information message of the sensing information are NULL; setting a parameter X in the information quantity statistical program to represent the number of information messages of sensing information permitted to be transmitted by the monitoring device, setting a parameter Y for performing statistics on the information messages of the sensing information transmitted by the monitoring device, and setting a time length for registering and receiving the information messages for the information messages of the sensing information by the time recorder Z;
2. the information message receiving program of the sensing information receives the information message of the sensing information and registers the IP address of the background terminal, and at the moment, the monitoring device and the background terminal store the IP addresses of each other, so that the operation of the 3G network can be realized;
3. when a 3G network detection program detects that information message transmission of sensing information exists on a 3G network, an information quantity counting program control parameter Y is added with an operation time recorder Z to be started, the information message transmission program of the sensing information transmits the information message of the sensing information, the IP address of a monitoring device and the IP address of a background terminal in the information message of the sensing information respectively represent the IP addresses of the monitoring device and the background terminal, a field for control is a random value, a field for information quantity counting is Y, and a field for information quantity regulation is NULL;
4. when the information message receiving program of the sensing information receives an information message of the sensing information, the information message of the sensing information is decoded.
The detailed decoding method is as follows:
A. under the condition that the control field in the received information message of the sensing information is higher than the control field I in the transmitted information message of the sensing information, the information quantity statistical program controls the time recorder Z to return to zero, executes step B, or else discards the received information message of the sensing information, and waits for the information message of the next sensing information;
B. when the field for information quantity statistics in the received information message of the sensing information is not more than Y, the information quantity statistics program controls the time recorder Z to return to zero, executes C, otherwise discards the received information message of the sensing information, and waits for the information message of the next sensing information;
C. when the field for regulating the information quantity in the received information message of the sensing information is NULL, the background terminal receives an error-free information message of the sensing information, and the information quantity statistical program controls the parameter Y to be reduced by one and the time recorder Z to be zero; under the condition that a field used for regulating the information quantity in the received information message of the sensing information is one, the background terminal is indicated to receive the information message of the wrong sensing information, even if the background terminal receives the information message of the wrong sensing information, for the monitoring device, the process of transmitting the information message of the sensing information is achieved, so that the control parameter Y of the information quantity statistical program is reduced by one and the time recorder Z is returned to zero; under the condition that the time recorder Z reaches the maximum time length registration, the 3G network is in an inactive state, the 3G network activation program transmits an activation command to the 3G network, and the information quantity statistical program returns the parameter Y and the time recorder Z to zero;
D. when the parameter Y in the information amount statistical program is not less than the parameter X, it indicates that the receiving performance of the background terminal for the sensing information is slower than that of the monitoring device, and at this time, the highest receiving performance of the background terminal is reached, so the monitoring device has to terminate the information message for transmitting the sensing information.
In summary, the sensing information transmission information amount adjusting method based on the 3G network includes an information message transmission program and an information amount adjusting program for introducing sensing information, which is suitable for the monitoring device and the background terminal for sensing information transmission on the 3G network, is an improvement on the information amount adjusting problem occurring during the sensing information transmission of the existing 3G network, and can improve the sensing information transmission performance of the 3G network.
When receiving a packet-dropped information message at a background terminal, the packet-dropped information message can be caused by error detection codes and interference in a transmission period, a monitoring device cannot obtain a response message, and when a 3G network is converted into a non-trigger state through a trigger state due to a fault, the monitoring device and the background terminal cannot obtain the performance of the 3G network, and the information quantity adjusting matching mode of the condition monitoring device and the background terminal loses functions; therefore, through improvement, a method for adjusting the sensing information transmission information volume facing the 3G network is provided, the method is suitable for a monitoring device and a background terminal for sensing information transmission on the 3G network, the defect of adjusting the information volume occurring in the sensing information transmission period of the existing 3G network is improved, and the performance of sensing information transmission of the high 3G network can be improved. That is, the method can achieve mutual performance learning of the monitoring device, the background terminal and the 3G network, and achieve control and recovery of information amount in different states, so as to improve the performance of sensing information transmission of the 3G network; the mode is suitable for a monitoring device and a background terminal for sensing information transmission on a 3G network, comprises a transmitting part and a receiving part for any place, and has strong applicability according to the existing 3G network transmission specification and mode.
Here, the format of the information message of the sensing information is: the method comprises the steps that information message header identification, a message header, an IP address of a monitoring device, an IP address of a background terminal, a field for control, a field for information quantity statistics, a field for information quantity regulation, an error detection code and information message tail identification are carried out; the format of the information message of the sensing information meets the message format under the 3G standard, and the IP address of the monitoring device, the IP address of the background terminal, the field for control, the field for information quantity statistics and the field for information quantity regulation are introduced to achieve the performance transfer of the regulation of the information quantity of the monitoring device and the background terminal.
Example 2:
as shown in fig. 1, the rail transit power supply simulation system includes a monitoring device of the rail transit power supply simulation test system, which is connected to the main substation and the traction step-down substation, and the monitoring device is configured to monitor the operating states of the main substation and the traction step-down substation respectively. The input end and the output end of the rectifier unit and the energy feedback device are respectively provided with a voltage sensor and a current sensor, and each voltage sensor and each current sensor are connected with the control box; sensing signals of each voltage sensor and each current sensor are input into the control box, and the monitoring device obtains the sensing signals from the control box;
that is, through improvement, in order to achieve the purpose of remotely backing up the sensing signal, the monitoring device is connected to the 3G module, the 3G module is in communication connection with a background terminal in the 3G network, and the background terminal can be a microcomputer, a PC or a notebook computer, so that the monitoring device can transmit the received sensing signal as the sensing information to the background terminal via the 3G network in the format of an information message to achieve the purpose of remote monitoring; and during the period of transmitting to the background terminal through the 3G network, the monitoring device and the background terminal comprise a sensing information transmission information quantity adjusting mode facing the 3G network and are suitable for sensing information transmission on the 3G network.
The problem that an information quantity adjusting mode under the existing 3G specification is accompanied is that a packet-dropping information message is received at a background terminal, wherein the packet-dropping of the information message can be formed due to the error of an error detection code and the interference in a transmission period, a monitoring device cannot obtain a response message, and when a triggered state is converted into a non-triggered state due to a fault, the monitoring device and the background terminal cannot obtain the performance of a 3G network, so that the information quantity adjusting and matching mode of the condition monitoring device and the background terminal loses functions; therefore, through improvement, a method for adjusting the sensing information transmission information volume facing the 3G network is provided, the method is suitable for a monitoring device and a background terminal for sensing information transmission on the 3G network, the defect of adjusting the information volume occurring in the sensing information transmission period of the existing 3G network is improved, and the performance of sensing information transmission of the high 3G network can be improved.
The method of the rail transit power supply simulation system comprises a sensing information transmission information quantity adjusting mode facing to a 3G network, wherein the sensing information transmission information quantity adjusting mode facing to the 3G network is provided with information messages of sensing information.
The detailed procedure of the adjustment method for the information transmission quantity of the sensing information facing the 3G network is as follows:
1. the 3G network operates: the information message transmission program of the sensing information transmits the information message of the sensing information, and the IP address of the monitoring device, the IP address of the background terminal, the field for control, the field for information quantity statistics and the field for information quantity regulation in the information message of the sensing information are NULL; setting a parameter X in an information quantity statistical program to represent the quantity of information messages of sensing information which is permitted to be transmitted by a monitoring device, setting a parameter Y for performing statistics on the information messages of the sensing information transmitted by the monitoring device, and setting a time recorder Z for performing registration on the information messages of the sensing information and the time length for receiving the information messages;
2. the information message receiving program of the sensing information receives the information message of the sensing information and registers the IP address of the background terminal, and at the moment, the monitoring device and the background terminal store the IP addresses of each other, so that the operation of the 3G network can be realized;
3. when a 3G network detection program detects that information message transmission of sensing information exists on a 3G network, an information quantity counting program control parameter Y is added with an operation time recorder Z to be started, the information message transmission program of the sensing information transmits the information message of the sensing information, the IP address of a monitoring device and the IP address of a background terminal in the information message of the sensing information respectively represent the IP addresses of the monitoring device and the background terminal, a field for control is a random value, a field for information quantity counting is Y, and a field for information quantity regulation is NULL;
4. when the information message receiving program of the sensing information receives an information message of the sensing information, the information message of the sensing information is decoded.
The detailed decoding method is as follows:
A. under the condition that the control field in the received information message of the sensing information is higher than the control field I in the transmitted information message of the sensing information, the information quantity statistical program controls the time recorder Z to return to zero, executes the step B, otherwise discards the received information message of the sensing information, and waits for the information message of the next sensing information;
B. when the field for information quantity statistics in the received information message of the sensing information is not more than Y, the information quantity statistics program controls the time recorder Z to return to zero, executes C, otherwise discards the received information message of the sensing information, and waits for the information message of the next sensing information;
C. when the field for regulating the information quantity in the received information message of the sensing information is NULL, the background terminal receives an error-free information message of the sensing information, and the information quantity statistical program controls the parameter Y to be reduced by one and the time recorder Z to be zero; under the condition that a field for regulating the information quantity in the received information message of the sensing information is one, the background terminal is indicated to receive the information message of the sensing information with error, even if the background terminal receives the information message of the sensing information with error, for the monitoring device, the monitoring device achieves the process of transmitting the information message of the sensing information, so that the control parameter Y of the information quantity statistical program is reduced by one and the time recorder Z returns to zero; under the condition that the time recorder Z reaches the maximum time length registration, the 3G network is in an inactive state, the 3G network activation program transmits an activation command to the 3G network, and the information quantity statistical program returns the parameter Y and the time recorder Z to zero;
D. when the parameter Y in the information amount statistical program is not less than the parameter X, it indicates that the receiving performance of the background terminal for the sensing information is slower than that of the monitoring device, and at this time, the highest receiving performance of the background terminal is reached, so the monitoring device has to terminate the information message for transmitting the sensing information.
In summary, the sensing information transmission information amount adjusting method based on the 3G network includes an information message transmission program and an information amount adjusting program for introducing sensing information, which is suitable for the monitoring device and the background terminal for sensing information transmission on the 3G network, is an improvement on the information amount adjusting problem occurring during the sensing information transmission of the existing 3G network, and can improve the sensing information transmission performance of the 3G network.
When receiving a packet-dropped information message at a background terminal, the packet-dropped information message can be caused by error of an error detection code and interference in a transmission period, a monitoring device cannot obtain a response message, and when a 3G network is converted into a non-trigger state through a trigger state due to a fault, the monitoring device and the background terminal cannot obtain the performance of the 3G network, so that the information amount adjusting and matching mode of the condition monitoring device and the background terminal loses functions; therefore, through improvement, a method for adjusting the sensing information transmission information quantity facing to the 3G network is provided, the method is suitable for a monitoring device and a background terminal for sensing information transmission on the 3G network, the defect of information quantity adjustment occurring in the sensing information transmission period of the existing 3G network is improved, and the performance of sensing information transmission of the high 3G network can be improved. That is, the method can achieve mutual performance learning of the monitoring device, the background terminal and the 3G network, and achieve control and recovery of information amount in different states, so as to improve the performance of sensing information transmission of the 3G network; the mode is suitable for a monitoring device and a background terminal for sensing information transmission on a 3G network, comprises a transmitting part and a receiving part for any place, and has strong applicability according to the existing 3G network transmission specification and mode.
Here, the format of the information message of the sensing information is: the method comprises the steps that information message header identification, a message header, an IP address of a monitoring device, an IP address of a background terminal, a field for control, a field for information quantity statistics, a field for information quantity regulation, an error detection code and information message tail identification are carried out; the format of the information message of the sensing information meets the message format under the 3G standard, and the IP address of the monitoring device, the IP address of the background terminal, the field for control, the field for information quantity statistics and the field for information quantity regulation are introduced to achieve the performance transfer of the information quantity regulation of the monitoring device and the background terminal.
In addition, an information message transmission main program of the sensing information and an information quantity adjusting program are stored in a memory of the monitoring device, the information message transmission main program of the sensing information comprises an information message transmission program of the sensing information, and the background terminal comprises an information message receiving program of the sensing information; the message transmission program comprises a 3G network detection program, a 3G network activation program and an information quantity statistical program;
the information message transmission program of the sensing information is used for configuring and transmitting the information message of the sensing information, the information message receiving program of the sensing information is used for receiving and decoding the information message of the sensing information, and the transmission and the reception of the information message of the sensing information are independent of each other; the 3G network detection program is used for detecting whether information messages with sensing information exist on the 3G network or not, the 3G network activation program is used for transmitting an activation command to the 3G network, and the information amount statistical program is used for starting, deducing and restoring the information amount.
While the present invention has been described above in terms of procedures illustrated in embodiments, it will be understood by those skilled in the art that the present disclosure is not limited to the above-described embodiments, and that various changes, modifications, and substitutions may be made without departing from the scope of the present invention.
Claims (3)
1. A method of a rail transit power supply simulation system comprises a monitoring device, a control box and a power supply control device, wherein the monitoring device obtains a sensing signal from the control box;
the monitoring device is characterized in that the monitoring device is connected with a 3G module, and the 3G module is in communication connection with a background terminal in a 3G network, so that the monitoring device can transmit a received sensing signal as sensing information to the background terminal via the 3G network in the form of an information message to achieve the purpose of remote monitoring; during the period of transmitting to the background terminal through the 3G network, the monitoring device comprises a sensing information transmission information quantity adjusting mode facing to the 3G network, and is suitable for sensing information transmission on the 3G network and the background terminal;
the method comprises a regulation mode of sensing information transmission information quantity facing to a 3G network, wherein the regulation mode of the sensing information transmission information quantity facing to the 3G network is provided with an information message of sensing information; the detailed procedure of the adjustment method for the information transmission quantity of the sensing information facing the 3G network is as follows:
1. 3G network operation: the information message transmission program of the sensing information transmits the information message of the sensing information, and the IP address of the monitoring device, the IP address of the background terminal, the field for control, the field for information quantity statistics and the field for information quantity regulation in the information message of the sensing information are NULL; setting a parameter X in an information quantity statistical program to represent the quantity of information messages of sensing information which is permitted to be transmitted by a monitoring device, setting a parameter Y for performing statistics on the information messages of the sensing information transmitted by the monitoring device, and setting a time recorder Z for performing registration on the information messages of the sensing information and the time length for receiving the information messages;
2. the information message receiving program of the sensing information receives the information message of the sensing information and registers the IP address of the background terminal, and the monitoring device and the background terminal store the IP addresses of each other, so that the 3G network can run;
3. when a 3G network detection program detects that information message transmission of sensing information exists on a 3G network, an information quantity counting program control parameter Y is added with an operation time recorder Z to be started, the information message transmission program of the sensing information transmits the information message of the sensing information, the IP address of a monitoring device and the IP address of a background terminal in the information message of the sensing information respectively represent the IP addresses of the monitoring device and the background terminal, a field for control is a random value, a field for information quantity counting is Y, and a field for information quantity regulation is NULL;
4. decoding an information message of sensing information when an information message receiving program of the sensing information receives the information message of the sensing information;
the decoding method is as follows:
A. under the condition that the control field in the received information message of the sensing information is higher than the control field I in the transmitted information message of the sensing information, the information quantity statistical program controls the time recorder Z to return to zero, executes the step B, otherwise discards the received information message of the sensing information, and waits for the information message of the next sensing information;
B. when the field for information quantity statistics in the received information message of the sensing information is not more than Y, the information quantity statistics program controls the time recorder Z to return to zero, executes C, otherwise discards the received information message of the sensing information, and waits for the information message of the next sensing information;
C. when a field used for regulating the information quantity in the received information message of the sensing information is NULL, the background terminal receives an error-free information message of the sensing information, and the information quantity statistical program control parameter Y is subtracted by one and the time recorder Z returns to zero; under the condition that a field for regulating the information quantity in the received information message of the sensing information is one, the background terminal is indicated to receive the information message of the sensing information with error, even if the background terminal receives the information message of the sensing information with error, for the monitoring device, the monitoring device achieves the process of transmitting the information message of the sensing information, so that the control parameter Y of the information quantity statistical program is reduced by one and the time recorder Z returns to zero; under the condition that the time recorder Z reaches the maximum time length registration, the 3G network is in an inactive state, the 3G network activation program transmits an activation command to the 3G network, and the information quantity statistical program returns the parameter Y and the time recorder Z to zero;
D. when the parameter Y in the information amount statistical program is not less than the parameter X, it indicates that the receiving performance of the background terminal for the sensing information is slower than that of the monitoring device, and at this time, the highest receiving performance of the background terminal is reached, so the monitoring device has to terminate the information message for transmitting the sensing information.
2. The method of the rail transit power supply simulation system according to claim 1, wherein the format of the information message of the sensing information is as follows: the method comprises the steps that information message header identification, a message header, an IP address of a monitoring device, an IP address of a background terminal, a field for control, a field for information quantity statistics, a field for information quantity regulation, an error detection code and information message tail identification are carried out; the format of the information message of the sensing information meets the message format under the 3G standard, and the IP address of the monitoring device, the IP address of the background terminal, the field for control, the field for information quantity statistics and the field for information quantity regulation are introduced to achieve the performance transfer of the regulation of the information quantity of the monitoring device and the background terminal.
3. The method of the rail transit power supply simulation system according to claim 1, wherein an information message transmission main program of the sensing information and an information amount adjustment program are stored in a memory of the monitoring device, the information message transmission main program of the sensing information comprises an information message transmission program of the sensing information, and the background terminal comprises an information message receiving program of the sensing information; the message transmission program comprises a 3G network detection program, a 3G network activation program and an information quantity statistical program;
the information message transmission program of the sensing information is used for configuring and transmitting the information message of the sensing information, the information message receiving program of the sensing information is used for receiving and decoding the information message of the sensing information, and the transmission and the reception of the information message of the sensing information are independent of each other; the 3G network detection program is used for detecting whether the information message with the sensing information is transmitted on the 3G network, the 3G network activation program is used for transmitting an activation command to the 3G network, and the information quantity statistical program is used for starting, deducing and restoring the information quantity.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1859354A (en) * | 2005-10-14 | 2006-11-08 | 华为技术有限公司 | Load control method of multiple machine distributing system |
| CN108538034A (en) * | 2018-05-03 | 2018-09-14 | 南京铁道职业技术学院 | A kind of method of fire alarm system |
| CN108549287A (en) * | 2018-05-11 | 2018-09-18 | 南京铁道职业技术学院 | A kind of monitoring temperature platform and its method |
| CN108646620A (en) * | 2018-05-11 | 2018-10-12 | 南京铁道职业技术学院 | A kind of remote temperature monitor supervision platform and its method for computer room |
| CN108765847A (en) * | 2018-05-03 | 2018-11-06 | 南京铁道职业技术学院 | A kind of fire alarm system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010098519A1 (en) * | 2009-02-24 | 2010-09-02 | Lg Electronics Inc. | Method of limiting transmission rate |
| CN102075741B (en) * | 2010-12-14 | 2012-12-12 | 北京华环电子股份有限公司 | Image transmission method, terminal and system |
| CN103686939B (en) * | 2012-09-25 | 2017-07-21 | 华为终端有限公司 | The method and relevant device of triggering terminal |
| CN104683175B (en) * | 2013-12-03 | 2018-05-11 | 华为技术有限公司 | The method and test device of applied in network performance test |
| CN104917641B (en) * | 2014-03-11 | 2019-06-25 | 中国电信股份有限公司 | It is a kind of for testing the method, test equipment and system of packet loss |
| CN105847173A (en) * | 2016-04-25 | 2016-08-10 | 乐视控股（北京）有限公司 | Content providing control method, terminal device and user device |
| CN108011758B (en) * | 2017-12-01 | 2019-10-18 | 广东电网有限责任公司东莞供电局 | Remote wireless channel monitoring method of electric power remote centralized meter reading system |
-
2019
- 2019-11-07 CN CN201911080073.5A patent/CN110933141B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1859354A (en) * | 2005-10-14 | 2006-11-08 | 华为技术有限公司 | Load control method of multiple machine distributing system |
| CN108538034A (en) * | 2018-05-03 | 2018-09-14 | 南京铁道职业技术学院 | A kind of method of fire alarm system |
| CN108765847A (en) * | 2018-05-03 | 2018-11-06 | 南京铁道职业技术学院 | A kind of fire alarm system |
| CN108549287A (en) * | 2018-05-11 | 2018-09-18 | 南京铁道职业技术学院 | A kind of monitoring temperature platform and its method |
| CN108646620A (en) * | 2018-05-11 | 2018-10-12 | 南京铁道职业技术学院 | A kind of remote temperature monitor supervision platform and its method for computer room |
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