CN109813990A - Transmission line parameter tests security protection platform - Google Patents
Transmission line parameter tests security protection platform Download PDFInfo
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- CN109813990A CN109813990A CN201910216707.9A CN201910216707A CN109813990A CN 109813990 A CN109813990 A CN 109813990A CN 201910216707 A CN201910216707 A CN 201910216707A CN 109813990 A CN109813990 A CN 109813990A
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- switching apparatus
- safety switching
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- interference voltage
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Abstract
The invention discloses transmission line parameters to test security protection platform, including line parameter tester, the first head end safety switching apparatus, the second head end safety switching apparatus, the first opposite end safety switching apparatus, the second opposite end safety switching apparatus and PC machine, the first head end safety switching apparatus and the second head end safety switching apparatus are connect with test line head end, for acquiring the real-time induced voltage of route；First head end safety switching apparatus and the second head end safety switching apparatus are connect with line parameter tester by RS485 serial port cable, for the real-time induced voltage data of the route of acquisition to be transmitted to line parameter tester, and receive the test switching command issued by line parameter tester.Present inventive concept is ingenious, security protection platform from the electric shock of the person caused by induced electricity and thunder and lightning risk in test process has been prevented on technological layer, avoid operating personnel operate against regulations, security risk caused by maloperation, realize overall process intelligent test.
Description
Technical field
The present invention relates to transmission line parameter the field of test technology, specially transmission line parameter test security protection is flat
Platform.
Background technique
After transmission line of electricity is the electric energy boosting for being issued generator with transformer, then it is defeated through the control equipment access such as breaker
Electric line is realized.Structure type, transmission line of electricity are divided into overhead transmission line and cable run.Overhead transmission line routes route lever
Tower, conducting wire, insulator, line hardware, bracing wire, pole and tower foundation, earthing or grounding means etc. are constituted, and are erected on ground.According to conveying
The property of electric current, transmission of electricity are divided into ac transmission and direct current transportation.The eighties in 19th century successfully realizes direct current transportation first.But
Since the voltage of direct current transportation is difficult to continue to improve under technical conditions at that time, so that ability to transmit electricity and benefit are restricted.19
The end of the century, direct current transportation are gradually replaced by ac transmission.The success of ac transmission has welcome the new of 20th century electrified society
Epoch.
During erecting power transmission lines, need to test the parameters of transmission line of electricity.YTLP transmission line of electricity
The test of power frequency parameter, transmission line power frequency parameter test system of new generation integrate alien frequencies and test power supply, measuring instrumentss, mathematics
Model eliminates strongly disturbing influence in one, guarantees the safety of instrument and equipment, can extremely fast and easy, accurately measure transmission of electricity
The power frequency parameter of route is for testing impedance, line between power frequency route positive sequence impedance, zero sequence impedance, positive sequence capacitor, zero sequence capacitor, line
Between capacitor, line ground impedance, the line ground parameters such as capacitor, mutual inductive impedance.
Line parameter circuit value is the important basic datas such as Load flow calculation, relay protection profession, " regulation " require for 110kV and
Above newly-built, the reconstruction route must be surveyed.Annual China's parameter testing is more than 6000 a plurality of, in face of induced electricity, lightning stroke electricity
Etc. can causing death security risk, traditional defense means face huge challenge.To solve the above problems, now researching and developing transmission line of electricity
Parameter testing security protection platform realizes parameter testing safety operation protection qualitative leap.
Summary of the invention
For above situation, to overcome the shortcomings of existing technologies, the present invention provides transmission line parameter and tests security protection
Platform, in effective solution test process in face of induced electricity, lightning stroke electricity etc. can causing death security risk the problem of.
To achieve the above object, the invention provides the following technical scheme: transmission line parameter tests security protection platform, packet
Include line parameter tester, the first head end safety switching apparatus, the second head end safety switching apparatus, the first opposite end handoff-security dress
It sets, the second opposite end safety switching apparatus and PC machine, the first head end safety switching apparatus and the second head end safety switching apparatus
It is connect with test line head end, for acquiring the real-time induced voltage of route；
First head end safety switching apparatus and the second head end safety switching apparatus pass through RS485 with line parameter tester
Serial interface cable connection for the real-time induced voltage data of the route of acquisition to be transmitted to line parameter tester, and is received by route
The test switching command that parameter tester issues；
First opposite end safety switching apparatus and the second opposite end safety switching apparatus are connect with test line opposite end, for adopting
Collect the real-time induced voltage of route, and the first opposite end safety switching apparatus and the second opposite end safety switching apparatus pass through with PC machine
Wireless 4G network connection for the real-time induced voltage data of the route of acquisition to be transmitted to PC machine, and receives the examination issued by PC machine
Test switching command；
Line parameter tester is internally provided with 4.0 module of bluetooth, and line parameter tester and PC machine pass through bluetooth 4.0
Module connection, the real-time induced voltage for line to be joined test result and route is transmitted to PC machine, and receives and opened by what PC machine issued
Beginning test instructions.
According to the above technical scheme, the first head end safety switching apparatus and the second head end safety switching apparatus include
First ARM mainboard and interference voltage display module, and the first ARM mainboard gives the first ARM main board power supply using Switching Power Supply；
First ARM mainboard is received for receiving a distant place/local control instruction, or by RS485 serial ports from line parameter circuit value
The instruction of tester uploads interference voltage and acquires signal, and by I/O mouthfuls, communicates with relay control circuit, drives relay
Movement, the wiring for completing outside line are switched；
Interference voltage display module, after inputting the interference voltage of test line, using resitstance voltage divider, first
The interference voltage display module of head end safety switching apparatus and the second head end safety switching apparatus directly displays the interference electricity of measurement
Pressure value, and by interference voltage acquisition circuit, pass collected interference voltage back the first ARM mainboard, the first ARM mainboard passes through
RS485 serial ports is communicated with line parameter tester, and interference voltage is transmitted to the display module on line parameter tester and is shown.
According to the above technical scheme, first opposite end safety switching apparatus and the second opposite end safety switching apparatus include
2nd ARM mainboard and interference voltage display module, and the 2nd ARM mainboard gives the 2nd ARM main board power supply using Switching Power Supply；
2nd ARM mainboard is received for receiving a distant place/local control instruction, or by 4G wireless network from PC machine
Instruction, and by I/O mouthfuls, it is communicated with relay control circuit, drives the actuating of relay, the wiring for completing outside line is switched；
Interference voltage display module, after inputting the interference voltage of test line, using resitstance voltage divider, first
The interference voltage value of the interference voltage display module of opposite end safety switching apparatus and the second opposite end safety switching apparatus display measurement,
And by interference voltage acquisition circuit, pass collected interference voltage back the 2nd ARM mainboard, the 2nd ARM mainboard by 4G without
Gauze network is communicated with PC machine, and interference voltage is transmitted to the display module in PC machine and is shown.
According to the above technical scheme, the interference voltage that the resitstance voltage divider is used to acquire carries out second divided voltage, respectively
It is input in interference voltage display module and interference voltage acquisition circuit, and resitstance voltage divider specification is 20kV/10V, no-load voltage ratio is
2000:1。
According to the above technical scheme, the interference voltage acquisition circuit uses the multiplexed signal sampling system of AD7656, and
The multiplexed signal sampling system of AD7656 uses AD7656 for front-end A/D C, realizes that the reception of data is handled using ADSP21369.
According to the above technical scheme, the Switching Power Supply uses RT-65B Switching Power Supply, input: 100-240VAC/2A, defeated
Out :+5V/5A ,+12V/2.8A, -12V/0.5A.
Present inventive concept is ingenious, and security protection platform is made from induced electricity and thunder and lightning in test process has been prevented on technological layer
At person electric shock risk, avoid operating personnel operate against regulations, security risk caused by maloperation, realize overall process intelligence
Change test.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is integral frame structure schematic diagram of the present invention；
Fig. 2 is head end safety switching apparatus circuit theory schematic diagram of the present invention；
Fig. 3 is safety switching apparatus circuit theory schematic diagram in opposite end of the present invention；
Fig. 4 is head end safety switching apparatus electric hookup of the present invention；
Fig. 5 is safety switching apparatus electric hookup in opposite end of the present invention.
Specific embodiment
1-5 is described in further details a specific embodiment of the invention with reference to the accompanying drawing.
It is provided by Fig. 1-5, the invention provides the following technical scheme: transmission line parameter tests security protection platform, including
Line parameter tester, the first head end safety switching apparatus, the second head end safety switching apparatus, the first opposite end handoff-security dress
Set, the second opposite end safety switching apparatus and PC machine, the first head end safety switching apparatus and the second head end safety switching apparatus with
Test line head end connection, for acquiring the real-time induced voltage of route；
First head end safety switching apparatus and the second head end safety switching apparatus pass through RS485 with line parameter tester
Serial interface cable connection for the real-time induced voltage data of the route of acquisition to be transmitted to line parameter tester, and is received by route
The test switching command that parameter tester issues；
First opposite end safety switching apparatus and the second opposite end safety switching apparatus are connect with test line opposite end, for adopting
Collect the real-time induced voltage of route, and the first opposite end safety switching apparatus and the second opposite end safety switching apparatus pass through with PC machine
Wireless 4G network connection for the real-time induced voltage data of the route of acquisition to be transmitted to PC machine, and receives the examination issued by PC machine
Test switching command；
Line parameter tester is internally provided with 4.0 module of bluetooth, and line parameter tester and PC machine pass through bluetooth 4.0
Module connection, the real-time induced voltage for line to be joined test result and route is transmitted to PC machine, and receives and opened by what PC machine issued
Beginning test instructions.
According to the above technical scheme, the first head end safety switching apparatus and the second head end safety switching apparatus include first
ARM mainboard and interference voltage display module, and the first ARM mainboard gives the first ARM main board power supply using Switching Power Supply；
First ARM mainboard is received for receiving a distant place/local control instruction, or by RS485 serial ports from line parameter circuit value
The instruction of tester uploads interference voltage and acquires signal, and by I/O mouthfuls, communicates with relay control circuit, drives relay
Movement, the wiring for completing outside line are switched；
Interference voltage display module, after inputting the interference voltage of test line, using resitstance voltage divider, first
The interference voltage display module of head end safety switching apparatus and the second head end safety switching apparatus directly displays the interference electricity of measurement
Pressure value, and by interference voltage acquisition circuit, pass collected interference voltage back the first ARM mainboard, the first ARM mainboard passes through
RS485 serial ports is communicated with line parameter tester, and interference voltage is transmitted to the display module on line parameter tester and is shown.
According to the above technical scheme, the first opposite end safety switching apparatus and the second opposite end safety switching apparatus include second
ARM mainboard and interference voltage display module, and the 2nd ARM mainboard gives the 2nd ARM main board power supply using Switching Power Supply；
2nd ARM mainboard is received for receiving a distant place/local control instruction, or by 4G wireless network from PC machine
Instruction, and by I/O mouthfuls, it is communicated with relay control circuit, drives the actuating of relay, the wiring for completing outside line is switched；
Interference voltage display module, after inputting the interference voltage of test line, using resitstance voltage divider, first
The interference voltage value of the interference voltage display module of opposite end safety switching apparatus and the second opposite end safety switching apparatus display measurement,
And by interference voltage acquisition circuit, pass collected interference voltage back the 2nd ARM mainboard, the 2nd ARM mainboard by 4G without
Gauze network is communicated with PC machine, and interference voltage is transmitted to the display module in PC machine and is shown.
According to the above technical scheme, the interference voltage that resitstance voltage divider is used to acquire carries out second divided voltage, inputs respectively
Into interference voltage display module and interference voltage acquisition circuit, and resitstance voltage divider specification be 20kV/10V, no-load voltage ratio 2000:
1。
According to the above technical scheme, interference voltage acquisition circuit uses the multiplexed signal sampling system of AD7656, and
The multiplexed signal sampling system of AD7656 uses AD7656 for front-end A/D C, realizes that the reception of data is handled using ADSP21369.
According to the above technical scheme, Switching Power Supply uses RT-65B Switching Power Supply, input: 100-240VAC/2A, output :+
5V/5A、+12V/2.8A、-12V/0.5A。
Present inventive concept is ingenious, and security protection platform is made from induced electricity and thunder and lightning in test process has been prevented on technological layer
At person electric shock risk, avoid operating personnel operate against regulations, security risk caused by maloperation, realize overall process intelligence
Change test.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. transmission line parameter tests security protection platform, including line parameter tester, the first head end safety switching apparatus, the
Two head end safety switching apparatus, the first opposite end safety switching apparatus, the second opposite end safety switching apparatus and PC machine, feature exist
In the first head end safety switching apparatus and the second head end safety switching apparatus are connect with test line head end, for adopting
Collect the real-time induced voltage of route；
First head end safety switching apparatus and the second head end safety switching apparatus pass through RS485 serial ports with line parameter tester
Cable connection for the real-time induced voltage data of the route of acquisition to be transmitted to line parameter tester, and is received by line parameter circuit value
The test switching command that tester issues；
First opposite end safety switching apparatus and the second opposite end safety switching apparatus are connect with test line opposite end, are used for gathering line
The real-time induced voltage on road, and the first opposite end safety switching apparatus and the second opposite end safety switching apparatus pass through wirelessly with PC machine
4G network connection for the real-time induced voltage data of the route of acquisition to be transmitted to PC machine, and is received and is cut by the test that PC machine issues
Change instruction；
Line parameter tester is internally provided with 4.0 module of bluetooth, and line parameter tester and PC machine pass through 4.0 module of bluetooth
Connection, the real-time induced voltage for line to be joined test result and route is transmitted to PC machine, and receives and try by PC machine sending
Test instruction.
2. transmission line parameter according to claim 1 tests security protection platform, which is characterized in that first head end
Safety switching apparatus and the second head end safety switching apparatus include the first ARM mainboard and interference voltage display module, and first
ARM mainboard gives the first ARM main board power supply using Switching Power Supply；
First ARM mainboard is received for receiving a distant place/local control instruction, or by RS485 serial ports from line parameter circuit value test
The instruction of instrument uploads interference voltage and acquires signal, and by I/O mouthfuls, communicates with relay control circuit, and driving relay is dynamic
Make, the wiring for completing outside line is switched；
Interference voltage display module, after inputting the interference voltage of test line, using resitstance voltage divider, in the first head end
The interference voltage display module of safety switching apparatus and the second head end safety switching apparatus directly displays the interference voltage value of measurement,
And by interference voltage acquisition circuit, collected interference voltage is passed back the first ARM mainboard, the first ARM mainboard passes through RS485
Serial ports is communicated with line parameter tester, and interference voltage is transmitted to the display module on line parameter tester and is shown.
3. transmission line parameter according to claim 1 tests security protection platform, which is characterized in that first opposite end
Safety switching apparatus and the second opposite end safety switching apparatus include the 2nd ARM mainboard and interference voltage display module, and second
ARM mainboard gives the 2nd ARM main board power supply using Switching Power Supply；
2nd ARM mainboard receives the instruction from PC machine for receiving a distant place/local control instruction, or by 4G wireless network,
And by I/O mouthfuls, communicated with relay control circuit, drive the actuating of relay, the wiring for completing outside line is switched；
Interference voltage display module, after inputting the interference voltage of test line, using resitstance voltage divider, in the first opposite end
The interference voltage value of the interference voltage display module of safety switching apparatus and the second opposite end safety switching apparatus display measurement, and lead to
Interference voltage acquisition circuit is crossed, passes collected interference voltage back the 2nd ARM mainboard, the 2nd ARM mainboard passes through 4G wireless network
Network is communicated with PC machine, and interference voltage is transmitted to the display module in PC machine and is shown.
4. transmission line parameter according to claim 2 or 3 tests security protection platform, which is characterized in that the resistance
The interference voltage that divider is used to acquire carries out second divided voltage, is separately input to interference voltage display module and interference voltage is adopted
Collect in circuit, and resitstance voltage divider specification is 20kV/10V, no-load voltage ratio 2000:1.
5. transmission line parameter according to claim 2 or 3 tests security protection platform, which is characterized in that the interference
Voltage acquisition circuit uses the multiplexed signal sampling system of AD7656, and the multiplexed signal sampling system of AD7656 uses AD7656
For front-end A/D C, realize that the reception of data is handled using ADSP21369.
6. transmission line parameter according to claim 2 or 3 tests security protection platform, which is characterized in that the switch
Power supply uses RT-65B Switching Power Supply, input: 100-240VAC/2A, output :+5V/5A ,+12V/2.8A, -12V/0.5A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216707.9A CN109813990A (en) | 2019-03-21 | 2019-03-21 | Transmission line parameter tests security protection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216707.9A CN109813990A (en) | 2019-03-21 | 2019-03-21 | Transmission line parameter tests security protection platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109813990A true CN109813990A (en) | 2019-05-28 |
Family
ID=66609734
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910216707.9A Pending CN109813990A (en) | 2019-03-21 | 2019-03-21 | Transmission line parameter tests security protection platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341230A (en) * | 2021-06-17 | 2021-09-03 | 北京国电高科科技有限公司 | Automatic testing system and method for multi-port cable of spacecraft |
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| CN209821310U (en) * | 2019-03-21 | 2019-12-20 | 山西晋电电力科技有限公司电网技术分公司 | Transmission line parameter test safety protection platform |
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| CN201555879U (en) * | 2009-10-30 | 2010-08-18 | 江苏省电力试验研究院有限公司 | Parameter measuring instrument of induction circuit |
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| CN104101815A (en) * | 2014-07-24 | 2014-10-15 | 国家电网公司 | High tension transmission line comprehensive tester and testing method |
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| CN113341230A (en) * | 2021-06-17 | 2021-09-03 | 北京国电高科科技有限公司 | Automatic testing system and method for multi-port cable of spacecraft |
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Effective date of registration: 20200806 Address after: 030000, No. 3, No. 1, building 2, Changzhi Road, No. 239, Taiyuan Road, hi tech Zone, Shanxi, China Applicant after: SHANXI YITONG POWER GRID PROTECTION AUTOMATION Co.,Ltd. Applicant after: INFORMATION COMMUNICATION BRANCH OF STATE GRID SHANXI ELECTRIC POWER Co. Address before: Room 301, Unit 1, Building 239 Changzhi Road, Taiyuan High-tech Zone, Shanxi Province Applicant before: POWER GRID TECHNOLOGY BRANCH OF SHANXI JINDIAN POWER ELECTRIC TECHNOLOGY Co.,Ltd. Applicant before: INFORMATION COMMUNICATION BRANCH OF STATE GRID SHANXI ELECTRIC POWER Co. |