AUTOMATIC INSPECTION AND MONITORING METHOD BASED ON TIME DOMAIN SLOTTING CONTROL

• US 20160299482A1
• Filed: 05/19/2016
• Published: 10/13/2016
• Est. Priority Date: 11/20/2013
• Status: Active Grant

• Current Assignee: BGP Incorporated China National Petroleum Corporation (China National Petroleum Corporation), China National Petroleum Corporation
• Original Assignee: BGP Incorporated China National Petroleum Corporation (China National Petroleum Corporation), China National Petroleum Corporation
• Inventors: Zhang, Liuzheng, Sun, Huadong, Yang, Maojun, Luo, Fulong, Li, Guosheng, Xia, Ying, Huang, Lei, Liu, Weiping, Wang, Yuan
• Granted Patent: US 10,409,251 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G01V 1/01 Measuring or predicting earthquakes
• CPC Class Codes: G01V 1/22 Transmitting seismic signals to recording or processing apparatus
• CPC Class Codes: G01V 2200/14 Quality control
• CPC Class Codes: G05B 19/048 Monitoring; Safety
• CPC Class Codes: G05B 19/4185 characterised by the network communication
• CPC Class Codes: G05B 2219/25428 Field device
• CPC Class Codes: G05B 2219/33212 Processor for communication with, evaluation of signals form detector to pc
• CPC Class Codes: H04B 13/02 Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
• CPC Class Codes: H04L 43/0823 Errors, e.g. transmission errors
• CPC Class Codes: H04L 47/826 Involving periods of time
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: Y02P 90/02 Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

An automatic inspection and monitoring method based on time domain slotting control, belonging to the technical field where the field personnel can automatically inspect and monitor a field device of a seismic apparatus in the seismic exploration production. A method of extraction and transmission of a seismic apparatus host on the information of a field device is implemented by a master control program, test information about the seismic apparatus host on the field device can be automatically extracted and classified from the seismic apparatus host, and according to a designed push protocol, a protocol encoding is conducted; a data frame block is automatically generated; and then the information is delivered via a broadcasting station; an encoding protocol of information push is designed for avoiding information loss caused by signal instability, etc. during information push. According to the protocol, the state information on the field device is encoded to generate a data frame block. There is no more need in the present invention for the operating personnel of the seismic apparatus to read and broadcast the content of the field device item by item, and it only needs to set a software operation mode, so that the automatic extraction and transmission of the state information on the field device can be extracted and transmitted.

Claims

1. An automatic inspection and monitoring method based on time domain slotting control, characterized by comprising:

a method of extraction and transmission of a seismic apparatus host on the information of a field device, a method of reception and management of a field monitor on the information of a field device, an encoding protocol of information push and a time domain slotting control, wherein

the method of extraction and transmission of a seismic apparatus host on the information of a field device is implemented by a master control program comprising;

automatically extracting and classifying test information about the seismic apparatus host on the field device from the seismic apparatus host, and conducting a protocol encoding according to a designed encoding protocol of information push;

automatically generating a data frame block; and

then delivering the information via a broadcasting station;

the encoding protocol of information push is designed for avoiding information loss caused by signal instability, etc. during information push;

encoding the test information on the field device according to the encoding protocol of information push, to generate a data frame block, so that the signals are effectively retrieved or retransmitted when the signals are lost, thereby ensuring information integrity;

the encoding protocol of information push mainly includes a channel data protocol, a voltage value protocol, a range value protocol, an inquiry request protocol and an instant dialog protocol;

according to the encoding protocol of information push, encoding the information on the field device of the seismic apparatus host to generate a data frame block in a fixed format upon extraction and transmission; and

then pushing the information in such format;

conducting parsing also according to the encoding protocol of information push while the monitor receives this data frame block, so as to obtain state information on the field device;

the data frame block referring to state information on the field device of the seismic apparatus, and being encoded through the encoding protocol of information push, where each field device automatically generates one data frame block, since status information on the field device differs and the produced data frame block is different in size, each data frame block has a CRC redundancy checking function;

the master control program being installed onto the seismic apparatus host or other computers connected with the seismic apparatus host for implementing extraction and classification of information on the field device of the seismic apparatus host, and automatically generating a data frame block by using the encoding protocol of information push, and controlling a station to transmit the state of the field device of the seismic apparatus to the field inspection and monitoring program by using the time domain slotting method;

the method of reception and management of information about the field monitor on the field device being implemented by monitoring programs, comprising;

parsing the received data frame blocks according to the protocol format, storing and managing the field device status data obtained by parsing according to setup requirements, thereby realizing the field personnel'"'"'s automatic inspection and management of the seismic apparatus and device;

the monitoring program being installed onto a hand-held intelligent transceiving tablet computer or other device supporting a co-band transceiving function compatible with the system for implementing a reception of the data frame block of the master control program by using the time domain slotting method, and automatically parsing the data frame block by applying the encoding protocol of information push for obtaining the state information on the field device of the seismic apparatus, and managing the state information according to the setup requirements;

the time domain slotting control being designed for avoiding signal loss caused by signal collisions of a field monitor, comprising;

allowing each terminal device to transmit information by a time-share according to the time domain slotting control mode to ensure that a signal is stable;

the time domain slotting control comprising five kinds of control modes such as a conventional time slot control, a repetition unit control, an intelligence decision control, a repetition master transmission control and an inquiry transceiving control, one of which is selected based on different requirements for operation after the information on the field device of the seismic apparatus host is extracted.

2. The automatic inspection and monitoring method based on time domain slotting control according to claim 1, characterized by comprising steps of:

Step 1. installing a master control software onto the seismic apparatus host or other computers connected with the seismic apparatus host, and installing a monitoring software onto a hand-held intelligent transceiving tablet computer or other device supporting a co-band messaging function compatible with the system;

Step 2. a master control program upon actuation automatically invoking the parameter settings saved last time, and sending a master control program online notification, in this event, master control program parameters can be changed at any time, the master control program parameters come into effect after the application being stored, the master control program waiting for a monitoring program online notification in operation at any time, and responding in a timely manner;

Step 3. invoking the parameter settings saved last time automatically when a monitoring program upon actuation, and sending a monitoring program online notification automatically, parameters of monitoring programs can be changed at any time until an acknowledgement notification of the master control program and time domain slotting time information are received, the parameters of monitoring programs come into after the application being stored;

Step 4. the master control program recording the number of monitoring programs and applying a scheme of the extraction and transmission method for the field device of the seismic apparatus host based on requirements of parameter settings for conducting a time domain slotting control, so as to transmit information on the field device of the seismic apparatus host to each terminal program, and meanwhile waiting for and processing information from a terminal monitor;

at the same time, a terminal program functions applying a field monitor and a monitoring and managing method of the field device information until an order of forcing to be offline from the master control program or taking the terminal program off-line through manual closing is received; and

Step 5. when a terminal program is off-line, the master control program may automatically respond and change the time domain slotting control method;

when the master control program is off-line, the terminal program may also automatically respond, and automatically periodically send out a request signal of going on-line, and then continue to operate normally until there is a response from the master control program.

3. The automatic inspection and monitoring method based on time domain slotting control according to claim 1, characterized by comprising steps of:

extracting and classifying the corresponding data from the state data of the field device tested by the seismic apparatus host, according to the automatic extraction and transmission process of information on the field device of the seismic apparatus host, encoding according to the information push protocol and transmitting the data frame block, the field personnel receive the data frame block through the field monitor in the reception and management method flow for the field device information and parse the data frame block according to the information push protocol, obtain the state of the field device and conduct management according to the setup requirements, thereby realizing the field personnel'"'"'s automatic inspection and monitoring of the field device;

the method of extraction and transmission of the information on the field device of the seismic apparatus host is realized by self-programming software, comprising;

when the software starts to run, firstly detecting whether the field information is received, if this is the case, carrying out an inquiry determination of the information, when it is determined to be inquiry information, automatically refreshing the information on the field device, and transmitting the information according to inquiry requirements, if the inquiry is determined to be non-inquiry information, it is instant message information, which is directly shown;

if it is determined to be not receiving the field information, automatically reading field arrangement information, and classifying the information on the field device according to requirements of a value threshold and a scope of personnel, and then performing a refreshing determination, if performing a refreshing is continued, returning to the status of information reception for cycles, and if the refreshing is completed, it is in a standby state;

the method of reception and management of the information about the field monitor on the field device is realized by self-programming software, comprising;

when the software starts to run, firstly detecting whether the host information is received, if this is the case, carrying out a determination of message, when it is determined to be a message, showing the instant message;

if it is determined to be a non-message, managing the field device information according to setup requirements of this monitor, and automatically refreshing the information on this device;

if it is determined to be not receiving the information on this device, detecting whether meet the transmission requirements;

if meet, transmitting an instant message, if not meet, transmitting the inquiry information;

the information push protocol includes a channel data protocol, a voltage value protocol, a range value protocol, an inquiry request protocol and an instant dialog protocol;

the channel data protocol includes a channel data marker, a line bit, a stake bit, a sequence bit, a resistance value bit, an embedding value bit, an electrical-leakage-value bit and a numbering bit, wherein the channel data marker is a marker that the field device data contained in this data frame block are channel data, the line bit and the stake bit are numbers of line and stake where the field device is positioned, the sequence bit is a sequence number of this field device, the resistance value bit, the embedding value bit, and the electrical-leakage-value bit are concrete numerical values of resistance, embedment and electrical leakage of this field device, and the numbering bit is a numbering value that this data frame block transmits to the monitor, they are used for the field personnel to perform a concrete item inspection for problematic field devices;

the voltage value protocol includes a voltage value marker, a line bit, a stake bit, a sequence bit, a voltage value bit, and a numbering bit, wherein the voltage value marker is a marker that the field device data contained in this data frame block is a voltage value, the line bit and the stake bit are numbers of line and stake where the field device is positioned, the sequence bit is a sequence number of this field device, the voltage value bit is a concrete voltage value of this field device, and the numbering bit is a numbering value that this data frame block needs to transmit to the monitor, they are used for the field personnel to replace or charge a field feeding device;

the range value protocol includes a range value marker, a line bit, a starting stake bit, a sequence bit, a finishing stake bit and a numbering bit, wherein the range value marker is a marker that the field device data contained in this data frame block is a range value, the line bit and the starting stake bit are numbers of line and stake where the field device is positioned, the sequence bit is a sequence number of this field device, the finishing stake bit is number of the stake where the field device is positioned, and the numbering bit is a numbering value that this data frame block needs to transmit to the monitor, they are used for the field personnel to learn about the starting and finishing positions of the field device, so as to monitor whether the field device is in an off-line state, and know the specific position for inspection;

the inquiry protocol includes an inquiry marker, a line bit and a numbering bit, wherein the inquiry marker is a marker that this data flame block is inquiry request data, the line bit and the stake bit are numbers of line and stake where the field device required to be inquired is positioned, and the numbering bit is a numbering value that this data frame block transmits to the monitor, they are used for the field personnel to monitor programs to transmit an inquiry request to the master control program of the seismic apparatus host;

the instant dialog protocol includes a dialog marker, a content bit, and a numbering bit, wherein the dialog marker is a marker that this data flame block is instant dialog data, the content bit is the concrete dialog content contained in this data frame block, and the numbering bit is a numbering value that this data frame block needs to transmit to the monitor or this data frame block transmits to the monitor, they are used for delivering the instant dialog content between the seismic apparatus operator and field personnel;

the time domain slotting control includes five kinds of time domain slotting control modes such as a conventional time slot control, a repetition unit control, an intelligence decision control, a repetition master transmission control and an inquiry transceiving control;

the conventional time slot control conducts a time domain slotting control according to one master control time slot for master control program and one monitoring time slot for each monitor, the conventional time slot control takes five monitors as an example, a time domain slotting is conducted according to the order of master control time slot, No. 1 monitoring time slot, No. 2 monitoring time slot, No. 3 monitoring time slot, No. 4 monitoring time slot, and No. 5 monitoring time slot, the master control program and the monitoring program each receives and transmits information based on such an order;

the repetition unit control conducts a time domain slotting control according to one master control time slot and one or more time slots for each monitor, the repetition unit control takes four monitors as an example, when many failures occur in the scope of the field device responsible by No. 3 monitor, two or more time slots are successively allocated to the No. 3 monitor to ensure the No. 3 monitor have more time to transmit information;

the intelligence decision control conducts a time domain slotting control according to one master control time slot and one, more or no time slots for each monitor, which automatically increases or decreases the time slots of some monitor according to the size of amount of information for monitor, so as to make better use of time-slot resources, the intelligence decision control takes four monitors as an example, when the No. 1 monitor is busy, two time slots are successively allocated, when the No. 2 monitor is busy, three time slots are successively allocated, in this event, the No. 3 monitor is not operating, and thus no time slots are allocated, going directly to No. 4 monitor, a time slot is allocated;

the repetition master transmission control conducts a time domain slotting control according to more master control time slots and one, more or no time slots for each monitor, transmitting information dominated by master control information when the number of failures in the field device is larger than a preset value, the monitoring program waits for the processing of the master control program and then allocates a time slot to the monitoring program after transmitting an inquiry request;

the repetition master transmission control, master control time slots are two successive ones, time slots are temporarily assigned to receive No. 2, No. 3 monitor information when information on the monitoring program is received, and a response is made to a transmission request of the No. 3 monitor after another three master control time slots are assigned;

the inquiry transceiving control conducts a time domain slotting control when the number of the inquiry request is larger than a preset value, the master control program makes a response one by one according to the inquiry request of the monitor;

the inquiry transceiving control, after a master control time slot, if an inquiry request of the No. 1 monitor is received, the master control program assigns a master control time slot to respond this request, if the inquiry requests of the No. 2, No. 3 monitors are received, after an inquiry time slots master control time slots are immediately assigned to respond the inquiry requests, based on different specific content of the inquiry request, the assigned master control time slots are different in size.