CN106603338B - Intelligent terminal response time testing method, device and system - Google Patents

Intelligent terminal response time testing method, device and system Download PDF

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Publication number
CN106603338B
CN106603338B CN201611199118.7A CN201611199118A CN106603338B CN 106603338 B CN106603338 B CN 106603338B CN 201611199118 A CN201611199118 A CN 201611199118A CN 106603338 B CN106603338 B CN 106603338B
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intelligent terminal
module
time
goose message
hard contact
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CN106603338A (en
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徐强超
邹三红
黄洪康
沈石兰
邝国安
劳志烜
朱展能
李岩
邓星星
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Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangzhou Power Supply Bureau Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

The invention relates to a method, a device and a system for testing the response time of an intelligent terminal, wherein the system comprises a shell, a main control module arranged in the shell, and a key and a communication interface which are arranged outside the shell and connected with the main control module; the communication interface is used for connecting the intelligent terminal to be tested; the keys are used to input configuration information. The intelligent terminal testing method comprises the steps that a main control module, a key and a communication interface are configured, the key and the communication interface are connected with the main control module, the communication interface is used for connecting an intelligent terminal to be tested, the key is used for inputting configuration information, the main control module generates a GOOSE message or a hardware point signal according to the input configuration information, the GOOSE message or the hardware point signal is sent to the connected intelligent terminal to be tested through the communication interface, the response of the intelligent terminal to be tested is received through the communication interface, and a response time testing result of the intelligent terminal is obtained according to the time difference between the received response and the time when the GOOSE. During testing, the equipment to be tested is connected with the testing system through the communication interface, and testing can be simply and quickly realized.

Description

Intelligent terminal response time testing method, device and system
Technical Field
The invention relates to the technical field of power system automation, in particular to a method, a device and a system for testing response time of an intelligent terminal.
Background
The intelligent terminal is used as a digital interface between the primary equipment and the secondary equipment, is connected with the primary equipment through a cable, is connected with the secondary equipment through an Ethernet interface, and realizes the functions of remote control, state monitoring and the like of the primary equipment in the form of communication messages. The intelligent terminal has the functions of information conversion and communication, supports uploading of state information of the primary equipment in a GOOSE mode, and receives a downlink control command from the secondary equipment to realize the real-time control function of the primary equipment. Therefore, the intelligent terminal needs to receive a protection or measurement and control command, complete the switching-on and switching-off operation of the circuit breaker, and simultaneously, timely upload signals such as the position state of the disconnecting link circuit breaker through the GOOSE, so as to complete the whole communication process.
Therefore, the action time, namely the response time of the intelligent terminal is related to the fault removal speed in the power system, so that the method is a key for ensuring the normal operation of the power system, and is more important particularly in an extra-high voltage system. If the response time of the intelligent terminal is shorter under the fault condition, the damage degree of the fault equipment can be reduced, and the working time of a user under the fault condition can be reduced. Therefore, the response time for accurately testing the intelligent terminal is an important index for the intelligent substation to detect the intelligent terminal, and the time for the intelligent terminal to respond to the change from GOOSE input to hard contact output is generally required to be less than 7 ms.
According to the traditional test method, a relay protection tester is used for testing, the relay protection tester needs to be connected with an intelligent terminal to be tested, the relay protection tester sends an action signal to the intelligent terminal to be tested, the intelligent terminal acts according to the action signal, and the relay protection tester obtains a response time result of the intelligent terminal to be tested according to the action time and the action time difference of the intelligent terminal to be tested. The method is complicated to operate.
Disclosure of Invention
Based on this, it is necessary to provide a method, an apparatus and a system for testing response time of an intelligent terminal, which are simple in operation.
A method for testing response time of an intelligent terminal comprises the following steps:
the configuration information is obtained and the configuration information is obtained,
when the acquired configuration information is the configuration information of the GOOSE message, executing the following steps:
generating a GOOSE message according to the configuration information;
sending the GOOSE message to an intelligent terminal, and recording the sending time of the GOOSE message;
receiving a hard contact signal sent by the intelligent terminal responding to the GOOSE message, and recording the receiving time of the hard contact information;
calculating the response time of the intelligent terminal based on the receiving time of the hard contact signal and the sending time of the GOOSE message;
when the acquired configuration information is the configuration information of the hard contact signal, executing the following steps:
generating a hard contact signal according to the configuration information;
sending the hard contact signal to the intelligent terminal, and recording the sending time of the hard contact signal;
receiving a GOOSE message sent by the intelligent terminal in response to the hard contact signal, and recording the receiving time of the GOOSE message;
and calculating the response time of the intelligent terminal based on the sending time of the hard contact signal and the receiving time of the GOOSE message.
A response time testing device of an intelligent terminal comprises: the device comprises a configuration acquisition module, a message generation module, a signal generation module, a recording module, a sending module, a receiving module and a calculation module;
the configuration acquisition module is used for acquiring configuration information;
the message generating module is used for generating a GOOSE message according to the configuration information;
the signal generating module is used for generating a hard-point signal according to the configuration information;
the sending module is used for sending the GOOSE message to an intelligent terminal; the intelligent terminal is also used for sending the hard contact signal to the intelligent terminal;
the receiving module is used for receiving a hard contact signal sent by the intelligent terminal responding to the GOOSE message; the intelligent terminal is also used for receiving a GOOSE message sent by the intelligent terminal responding to the hard contact signal;
the recording module is used for recording the sending time of the GOOSE message; the hard contact information receiving device is also used for recording the receiving time of the hard contact information; the hard contact signal sending time is also recorded; the GOOSE message receiving module is also used for recording the receiving time of the GOOSE message;
the computing module is used for computing the response time of the intelligent terminal based on the receiving time of the hard contact signal and the sending time of the GOOSE message; and the intelligent terminal is also used for calculating the response time of the intelligent terminal based on the sending time of the hard contact signal and the receiving time of the GOOSE message.
An intelligent terminal response time testing system comprises a shell, a main control module arranged in the shell, and a key and a communication interface which are arranged outside the shell and connected with the main control module; the communication interface is used for connecting an intelligent terminal to be tested; the key is used for inputting configuration information; the main control module is provided with the intelligent terminal response time testing device.
According to the intelligent terminal response time testing system, the main control module, the keys and the communication interface are configured, the keys and the communication interface are connected with the main control module, the communication interface is used for connecting the intelligent terminal to be tested, the keys are used for inputting configuration information, the main control module generates the GOOSE message or the hardware point signal according to the input configuration information, the GOOSE message or the hardware point signal is sent to the connected intelligent terminal to be tested through the communication interface, the response of the intelligent terminal to be tested is received through the communication interface, and a response time testing result of the intelligent terminal is obtained according to the time difference between the received response and the time when the GOOSE message or the hardware point signal is. During testing, the equipment to be tested is connected with the testing system through the communication interface, and testing can be simply and quickly realized.
Drawings
FIG. 1 is a front view of an embodiment of a smart terminal response time testing system;
FIG. 2 is a top view of an intelligent terminal response time testing system of an embodiment;
FIG. 3 is a block diagram of an intelligent terminal response time testing system according to an embodiment;
FIG. 4 is a flow diagram of a method for testing response time of a smart terminal according to one embodiment;
fig. 5 is a functional module diagram of an intelligent terminal response time testing apparatus according to an embodiment.
Detailed Description
In one embodiment, a system for testing response time of an intelligent terminal is provided, as shown in fig. 1 to 3, including a housing 10, a main control module 101 disposed in the housing 10, a key 102 disposed outside the housing 10 and connected to the main control module 101, and a communication interface 103. The communication interface 103 is used for connecting an intelligent terminal to be tested, and the key 102 is used for inputting configuration information. Specifically, the keys 102 include numeric keys, moving keys, switch keys, function keys, and the like. The staff inputs configuration information through the keys 102 to configure parameters of hard contact signals and GOOSE (generic object oriented substation event) messages.
The main control module 101 provides two different detection modes according to the input configuration information.
One is as follows: the main control module 101 generates a GOOSE message according to the input configuration information, and sends the GOOSE message to the connected intelligent terminal to be tested through the communication interface 103, the intelligent terminal to be tested receives the GOOSE message, sends a hard-contact signal to the intelligent terminal response time testing system of this embodiment in response to the GOOSE message, and the main control module 101 obtains the response time of the terminal to be tested according to the time difference between the time of sending the GOOSE message and the time of receiving the hard-contact signal.
The other is as follows: the main control module 101 generates a hard contact signal according to the input configuration information, and sends the hard contact signal to the connected intelligent terminal to be tested through the communication interface, the intelligent terminal to be tested receives the hard contact signal, and sends a GOOSE message to the intelligent terminal response time test system of this embodiment in response to the hard contact signal, and the main control module 101 obtains the response time of the terminal to be tested according to the time difference between the time of sending the hard contact signal and the time of receiving the GOOSE message.
According to the intelligent terminal response time testing system, the main control module, the keys and the communication interface are configured, the keys and the communication interface are connected with the main control module, the communication interface is used for connecting the intelligent terminal to be tested, the keys are used for inputting configuration information, the main control module generates the GOOSE message or the hardware point signal according to the input configuration information, the GOOSE message or the hardware point signal is sent to the connected intelligent terminal to be tested through the communication interface, the response of the intelligent terminal to be tested is received through the communication interface, and a response time testing result of the intelligent terminal is obtained according to the time difference between the received response and the time when the GOOSE message or the hardware point signal is. During testing, the equipment to be tested is connected with the testing system through the communication interface, and testing can be simply and quickly realized.
In another embodiment, communication interface 103 includes an ethernet interface 1032 and a hardpoint interface 1031.
Specifically, the hard contact interface 1031 receives a hard contact signal sent by the intelligent terminal in response to the GOOSE message, and the hard contact interface sends the hard contact signal to the intelligent terminal. And sending the GOOSE message to the intelligent terminal through the Ethernet interface 1032, and receiving the GOOSE message sent by the intelligent terminal in response to the hard-wired signal through the Ethernet interface 1032. In another embodiment, the device further comprises a display 104 disposed outside the housing 10 and connected to the main control module 101, and the detection result obtained by the main control module 101 is output and displayed through the display 104. Specifically, the display is an LCD display screen.
In another embodiment, the wireless communication module 105 is disposed in the housing 10 and connected to the main control module, and the detection result can be transmitted to the main station through the wireless communication module 105. Specifically, the wireless communication module is a WIFI module and/or a 4G module.
In another embodiment, the system further comprises a power module 106 for supplying power to the intelligent terminal response time testing system of the embodiment. Specifically, the power module comprises a charging interface, a charging circuit and a lithium battery which are connected in sequence, and the lithium battery is charged through the charging circuit. The charging circuit in this embodiment can be implemented by a conventional charging circuit, and is not described herein again.
In one embodiment, a method for testing response time of an intelligent terminal is provided, where the method is executed in the main control module 101 of fig. 3, and as shown in fig. 4, the method includes:
s400: and acquiring the configuration information and judging the type of the configuration information. When the acquired configuration information is configuration information of a GOOSE message, step S402 and the following steps are executed, and when the acquired configuration information is configuration information of a hard-wired signal, step S401 and the following steps are executed.
S402: and generating the GOOSE message according to the configuration information.
S404: and sending the GOOSE message to the intelligent terminal, and recording the sending time of the GOOSE message.
Specifically, the GOOSE packet is sent to the intelligent terminal through the ethernet port, and it should be understood that the intelligent terminal is also provided with a corresponding ethernet interface.
S406: and receiving a hard contact signal sent by the intelligent terminal responding to the GOOSE message, and recording the receiving time of the hard contact information.
Specifically, after receiving the GOOSE message, the to-be-tested intelligent terminal sends a hard-contact signal to the intelligent terminal response time testing system of this embodiment in response to the GOOSE message.
S408: and calculating the response time of the intelligent terminal based on the receiving time of the hard contact signal and the sending time of the GOOSE message.
Specifically, the time difference between the two is the response time of the terminal to be tested.
S401: a hard contact signal is generated based on the configuration information.
S403: and sending the hard contact signal to the intelligent terminal, and recording the sending time of the hard contact signal.
Specifically, the hard-wired signal is sent to the intelligent terminal through the hard-wired interface.
S405: and receiving the GOOSE message sent by the intelligent terminal responding to the hard contact signal, and recording the receiving time of the GOOSE message.
Specifically, after receiving the hard contact signal through the hard contact, the terminal to be tested responds to the GOOSE message sent by the hard contact signal, and the GOOSE message passes through the ethernet interface.
S407: and calculating the response time of the intelligent terminal based on the sending time of the hard contact signal and the receiving time of the GOOSE message.
Specifically, the time difference between the two is the response time of the terminal to be tested.
According to the method for testing the response time of the intelligent terminal, the GOOSE message or the hardware point signal is sent to the connected intelligent terminal to be tested, and the hardware connection signal or the GOOSE message responding to the intelligent terminal to be tested is received. The method can simply and quickly realize the test of the response time of the intelligent terminal according to the time of sending the test signal and the time of receiving the response to the signal.
After step S407 or step S408, the method further includes the steps of: and outputting a test result based on the response time of the intelligent terminal.
In a specific implementation manner, a reference response time may be set as a reference, the response time of the to-be-tested intelligent terminal obtained through the test is compared with the reference response time, and when the response time is smaller than the set reference response time, the to-be-tested intelligent terminal may be considered to pass the test and be detected as qualified. If the response time is longer than the set reference response time, the intelligent terminal to be tested is not tested, and the test is unqualified. In this embodiment, the test result may be output to the display device or the master station through the wireless communication module.
In one embodiment, there is provided a device for testing response time of a smart terminal, as shown in fig. 5, including: the system comprises a configuration acquisition module 501, a message generation module 502, a signal generation module 503, a recording module 504, a sending module 505, a receiving module 506 and a calculation module 507.
A configuration obtaining module 501, configured to obtain configuration information.
The message generating module 502 is configured to generate a GOOSE message according to the configuration information.
A signal generating module 503, configured to generate a hard-wired signal according to the configuration information.
A sending module 505, configured to send the GOOSE packet to the intelligent terminal; and is also used for sending the hard-wired signal to the intelligent terminal.
A receiving module 506, configured to receive a hard-contact signal sent by the intelligent terminal in response to the GOOSE message; and the intelligent terminal is also used for receiving the GOOSE message sent by the intelligent terminal in response to the hard-contact signal.
A recording module 504, configured to record sending time of the GOOSE packet; the device is also used for recording the receiving time of the hard contact information; the device is also used for recording the sending time of the hard contact signal; and is also used for recording the receiving time of the GOOSE message.
The calculating module 507 is configured to calculate response time of the intelligent terminal based on the receiving time of the hard contact signal and the sending time of the GOOSE packet; and the intelligent terminal is also used for calculating the response time of the intelligent terminal based on the sending time of the hard contact signal and the receiving time of the GOOSE message.
In another embodiment, the intelligent terminal further comprises an output module which outputs the test result based on the response time of the intelligent terminal.
According to the intelligent terminal response time testing device, the intelligent terminal response time can be tested simply and quickly according to the time for sending the test signal and the time for receiving the response to the signal.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A method for testing response time of an intelligent terminal is characterized by comprising the following steps:
the configuration information is obtained and the configuration information is obtained,
when the configuration information acquired by the main control module is the configuration information of the GOOSE message, executing the following steps:
the main control module generates a GOOSE message according to the configuration information;
sending the GOOSE message to the intelligent terminal through an Ethernet interface corresponding to the intelligent terminal, and recording the sending time of the GOOSE message;
receiving a hard contact signal sent by the intelligent terminal responding to the GOOSE message, and recording the receiving time of the hard contact signal;
the main control module calculates the response time of the intelligent terminal based on the receiving time of the hard contact signal and the sending time of the GOOSE message;
when the configuration information acquired by the main control module is the configuration information of the hard contact signal, executing the following steps:
the main control module generates a hard contact signal according to the configuration information;
sending the hard contact signal to the intelligent terminal, and recording the sending time of the hard contact signal;
receiving a GOOSE message sent by the intelligent terminal in response to the hard contact signal through an Ethernet interface corresponding to the intelligent terminal, and recording the receiving time of the GOOSE message;
and the main control module calculates the response time of the intelligent terminal based on the sending time of the hard contact signal and the receiving time of the GOOSE message.
2. The method according to claim 1, wherein after the step of calculating the smart terminal response time based on the reception time of the hard-wired signal and the transmission time of the GOOSE message, or after the step of calculating the smart terminal response time based on the reception time of the hard-wired signal and the transmission time of the GOOSE message, further comprising:
and outputting a test result based on the response time of the intelligent terminal.
3. The utility model provides an intelligent terminal response time testing arrangement which characterized in that includes: the device comprises a configuration acquisition module, a message generation module, a signal generation module, a recording module, a sending module, a receiving module and a calculation module;
the configuration acquisition module is used for acquiring configuration information;
the message generating module is used for generating a GOOSE message according to the configuration information;
the signal generating module is used for generating a hard-point signal according to the configuration information;
the sending module is used for sending the GOOSE message to the intelligent terminal through an Ethernet interface corresponding to the intelligent terminal; the intelligent terminal is also used for sending the hard contact signal to the intelligent terminal;
the receiving module is used for receiving a hard contact signal sent by the intelligent terminal responding to the GOOSE message; the intelligent terminal is also used for receiving a GOOSE message sent by the intelligent terminal responding to the hard contact signal through an Ethernet interface corresponding to the intelligent terminal;
the recording module is used for recording the sending time of the GOOSE message; the hard contact signal receiving device is also used for recording the receiving time of the hard contact signal; the hard contact signal sending time is also recorded; the GOOSE message receiving module is also used for recording the receiving time of the GOOSE message;
the computing module is used for computing the response time of the intelligent terminal based on the receiving time of the hard contact signal and the sending time of the GOOSE message; and the intelligent terminal is also used for calculating the response time of the intelligent terminal based on the sending time of the hard contact signal and the receiving time of the GOOSE message.
4. The apparatus of claim 3, further comprising an output module that outputs a test result based on the smart terminal response time.
5. The intelligent terminal response time testing system is characterized by comprising a shell, a main control module arranged in the shell, and a key and a communication interface which are arranged outside the shell and connected with the main control module; the communication interface is used for connecting an intelligent terminal to be tested; the key is used for inputting configuration information; the main control module is provided with the intelligent terminal response time testing device as claimed in claim 3 or 4.
6. The system of claim 5, wherein the communication interface comprises an Ethernet interface and a hard-wired interface.
7. The system of claim 5, further comprising a display disposed outside the housing and coupled to the master control module.
8. The system of claim 5, further comprising a wireless communication module disposed within the housing and coupled to the master control module.
9. The system of claim 5, further comprising a power module, wherein the power module comprises a charging interface, a charging circuit and a lithium battery which are connected in sequence.
10. The system of claim 8, wherein the wireless communication module is a WIFI module and/or a 4G module.
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107942919A (en) * 2017-12-26 2018-04-20 上海电气风电集团有限公司 Fan paddle-changing system communicates and the test method of response delay
CN108494479B (en) * 2018-03-28 2023-10-10 国网福建省电力有限公司电力科学研究院 Automatic measuring device and method for light receiving sensitivity of intelligent terminal of intelligent substation
CN110954855B (en) * 2019-10-28 2022-02-18 许昌开普检测研究院股份有限公司 Method and system for testing time measurement precision of digital relay protection tester
CN111896827A (en) * 2020-07-31 2020-11-06 许昌开普检测研究院股份有限公司 Automatic test system for intelligent terminal time performance of intelligent substation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203482218U (en) * 2013-07-18 2014-03-12 国家电网公司 Detection system for message pressure of intelligent terminal
CN103779966A (en) * 2014-02-10 2014-05-07 上海毅昊自动化有限公司 Intelligent terminal monitoring system and method based on input virtual terminal mapping mechanism
CN105811576A (en) * 2014-12-31 2016-07-27 国家电网公司 Intelligent terminal GOOSE input detection method and system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105548769B (en) * 2016-01-13 2018-06-19 江苏省电力公司电力科学研究院 A kind of relay protection action delay placement test system and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203482218U (en) * 2013-07-18 2014-03-12 国家电网公司 Detection system for message pressure of intelligent terminal
CN103779966A (en) * 2014-02-10 2014-05-07 上海毅昊自动化有限公司 Intelligent terminal monitoring system and method based on input virtual terminal mapping mechanism
CN105811576A (en) * 2014-12-31 2016-07-27 国家电网公司 Intelligent terminal GOOSE input detection method and system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
数字化变电站中智能终端装置动作时延测试的研究;汝雁飞等;《电工技术》;20111231;第14,15,24页 *
智能终端GOOSE时标的精确测试方法;王晓斐等;《华北电力技术》;20141231;第5-8页 *

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