CN201966695U - Monitoring and managing device for ground wire and ground disconnecting link of transformer substation - Google Patents
Monitoring and managing device for ground wire and ground disconnecting link of transformer substation Download PDFInfo
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- CN201966695U CN201966695U CN2011200740440U CN201120074044U CN201966695U CN 201966695 U CN201966695 U CN 201966695U CN 2011200740440 U CN2011200740440 U CN 2011200740440U CN 201120074044 U CN201120074044 U CN 201120074044U CN 201966695 U CN201966695 U CN 201966695U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model relates to a monitoring and managing device for a ground wire and a ground disconnecting link of a transformer substation, which is characterized in that a field monitoring unit is connected with a field ground wire and a ground disconnecting link change-over switch; a wireless communication unit is respectively connected with the field monitoring unit and a data acquisition unit; the data acquisition unit is connected with a serial communication port of an industrial computer system; the industrial computer is connected with an output control unit; the output control unit is connected with each status indicator; data transmission is ensured by adopting double communication receiving modules; data input and data output are photoelectrically isolated; and data exchange of the status of the ground wire and other information is achieved through a wireless network and an upper computer. According to the monitoring and managing device, ground wire status data and ground disconnecting link status data which are used in the field, are received through a wireless communication manner and are transmitted to a data acquisition processing unit; the acquisition unit exchanges data with the industrial computer through the serial communication port; and the statuses of the ground wire and the ground disconnecting link in work are displayed on a large screen in a real-time manner and acousto-optic indication is conducted, so the mounting position of the ground wire is given out and running operators are indicated, and thereby the occurrence of running accidents is completely eradicated. The monitoring and managing device has the advantages that the mounting and the maintenance of a system are convenient, and better expansibility is achieved.
Description
Technical field
The utility model relates to a kind of transformer substation grounding wire, the monitoring of ground connection disconnecting link and management devices, belongs to power system device handling safety technical field.
Background technology
Need install ground wire when electric power system is carried out interruption maintenance to high-tension apparatus, its effect comprises: prevent that the working point from sending a telegram here suddenly; Discharge the residual charge of power failure equipments; Eliminate because the induced voltage that nearby lines and thunder and lightning cause makes the working point all the time at the state of " electronegative potential ", guarantee the person, device security; The operation order system of electric power system can retrain electrical operation staff's operation behavior, the misoperation of minimizing ground wire.But the influence because of factors such as peopleware, the state of mind, objective environments is not very strict about rules, and habitual violation phenomenon happens occasionally, and causes operating accident; This project mainly is to carry out the connection status that a distant place is monitored ground wire and ground cutter in real time during at substation equipment operation or maintenance.When the staff occurred operating lack of standardization and slip, system gave a warning to the operational management personnel, stops the generation of operating accident.System is by the field monitoring device, the wireless telecommunications device, compositions such as host computer management system, the field monitoring unit adopts the Anti-interference Design that can be adapted under the strong magnetic field circumstance, the hardware configuration of super low-power consumption, the transmission of signal adopts diversity technique to improve the reliability of system under the situation that does not increase transmitting power or channel width, and adopt duplex to accept the authentic and valid of module assurance transfer of data, the data input, state and other information that output adopts photoelectricity to isolate ground wire realize exchanges data by wireless network and host computer, can realize the real-time demonstration of state of ground wire, effectively sharing of state information.
Summary of the invention
The purpose of this utility model is to provide a kind of transformer substation grounding wire, the monitoring of ground connection disconnecting link and management devices, and it receives on-the-spot state of ground wire data and the ground connection disconnecting link status data that uses, and be sent to the data acquisition process unit by wireless communication mode; Collecting unit carries out exchanges data by serial communication and industrial computer, the state of the ground wire of demonstration work in real time and ground cutter on large-screen, and acousto-optic indication, provide the installation site and the prompting operation personnel of ground wire, when the staff occurs operating lack of standardization and slip, system gives a warning to the operational management personnel, stops the generation of operating accident.
The technical solution of the utility model is achieved in that transformer substation grounding wire, monitoring of ground connection disconnecting link and management devices, by the field monitoring unit, data acquisition unit, radio communication unit, output control unit, industrial computer system, the data monitoring management system is formed, it is characterized in that: the field monitoring unit changes switch with on-the-spot ground wire and ground swivel and is connected, radio communication unit is connected with data acquisition unit with the field monitoring unit respectively, data acquisition unit is connected with the industrial computer system serial communication interface, industrial computer is connected with output control unit, and output control unit is connected with each state indication; And adopting the duplex receiver module to guarantee transfer of data, state and other information that data input, output adopt photoelectricity to isolate ground wire realize exchanges data by wireless network and host computer.
It is core that described field monitoring unit, collection in worksite processing unit adopt ATMEGA ATmega64 single-chip microcomputer, is risc architecture, at full speed, being installed in the system debug interface chip of non-intrusion type; Its operating voltage range is 2.7～5.5V; Switching value displacement to the scene manages, and adopts keyboard to show that special driving chip ZLG7290 drives 87 segment encode common cathode LED charactrons.
Described data acquisition unit, adopting the ATMEGA64 single-chip microcomputer is core, a distant place receives on-the-spot switching value data, output state of ground wire information, carry out Communication Control face luminous tube output ground cutter state information with computer system, the control of LED line-screen, by RS232 interface receiving computer information, show ground wire by LED, the state information of ground cutter, Single Chip Microcomputer (SCM) system shows LED carries out Comprehensive Control, show that output module adopts the mode of dynamic scan, come the driving LED screen, finish ground wire in the control room by the switch of controlling triode, the integrated management of ground cutter state information.
The core devices that described radio communication unit adopts is the wireless data sending chip nRF905. communicating circuit by the up-to-date release of MSP430F123 single-chip microcomputer and Norway Nordic company of American TI Company production, nRF905 is a radio transmitting and receiving chip that Nordic VISI company releases, 32 pin encapsulation (32I QFN 5 * 5 mm), supply power voltage is 1.9～3.6 V, work in 3 ISM of 433/868/915 MHz, can handle prefix and CRC (CRC) automatically., microprocessor is visited its peripheral interface by SPI interface and dependent instruction, and data are stored among the FLASH of the RAM of 256 bit and 8 kbit.
Computer serial ports and led controller serial ports are sent into the Data Control display screen in the described industrial computer system, and the 74HC164 that the serial i O of computer connects control board carries out serial shift control indication information.
Good effect of the present utility model is can be as required, will according to on-the-spot ground wire, the operating state of cutter show in real time and the prompting operations staff, working group's number of large LED line-screen indication ground wire, when ground cutter operation is arranged, the luminous prompting of ground cutter viewing area surface light-emitting device, working group's number of LED line-screen indication ground wire.The job information LCD liquid crystal display screen of ground wire and ground cutter shows, provide details, computer system is carried out integrated management to ground wire and ground cutter state, and the problem and the case that occur during to execute-in-place have historical record, system's installation, easy to maintenance has autgmentability preferably.
Description of drawings
Fig. 1 hardware block diagram of the present utility model.
Fig. 2 is the structured flowchart of the utility model monitoring means.
Fig. 3 is the structured flowchart of the utility model data acquisition unit.
Fig. 4 is the structured flowchart of the utility model radio communication unit.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described: as shown in Figure 1, transformer substation grounding wire, monitoring of ground connection disconnecting link and management devices, by the field monitoring unit, data acquisition unit, radio communication unit, output control unit, industrial computer system, the data monitoring management system is formed, it is characterized in that: the field monitoring unit changes switch with on-the-spot ground wire and ground swivel and is connected, radio communication unit is connected with data acquisition unit with the field monitoring unit respectively, data acquisition unit is connected with the industrial computer serial communication interface, industrial computer system is connected with output control unit, and output control unit is connected with each state indication; And adopt the duplex receiver module to guarantee transfer of data, data are imported, output adopts photoelectricity to isolate ground wire state and other information realize exchanges data by wireless network and host computer, can realize that the real-time demonstration of state of ground wire, the effective of state information share; It is core that field monitoring unit as described in Figure 2, collection in worksite processing unit adopt ATMEGA ATmega64 single-chip microcomputer, is risc architecture, at full speed, being installed in the system debug interface chip of non-intrusion type; Its operating voltage range is 2.7～5.5V.Switching value displacement to the scene manages.Adopt keyboard to show that special driving chip ZLG7290 drives 87 segment encode common cathode LED charactrons.
Data acquisition unit as described in Figure 3, adopting the ATMEGA64 single-chip microcomputer is core, a distant place receives on-the-spot switching value data, output state of ground wire information, carry out Communication Control face luminous tube output ground cutter state information with computer system, the control of LED line-screen, by RS232 interface receiving computer information, show ground wire by LED, the state information of ground cutter, Single Chip Microcomputer (SCM) system shows LED carries out Comprehensive Control, show that output module adopts the mode of dynamic scan, come the driving LED screen, finish ground wire in the control room by the switch of controlling triode, the integrated management of ground cutter state information.
The core devices that radio communication unit as described in Figure 4 adopts is the wireless data sending chip nRF905. communicating circuit by the up-to-date release of MSP430F123 single-chip microcomputer and Norway Nordic company of American TI Company production, nRF905 is a radio transmitting and receiving chip that Nordic VISI company releases, 32 pin encapsulation (32I QFN 5 * 5 mm), supply power voltage is 1.9～3.6 V, work in 3 ISM of 433/868/915 MHz, can handle prefix and CRC (CRC) automatically., microprocessor is visited its peripheral interface by SPI interface and dependent instruction, and data are stored among the FLASH of the RAM of 256 bit and 8 kbit.
Industrial computer system as shown in Figure 3 connects LCD, led controller, output control unit, data acquisition unit respectively; Wherein computer serial ports and led controller serial ports are sent into the scan mode of Data Control display screen.The 74HC164 that the serial i O of computer connects control board carries out serial shift control indication information, adopting the ATMEGA64 single-chip microcomputer is core, a distant place receives on-the-spot switching value data, output state of ground wire information, carry out Communication Control face luminous tube output ground cutter state information with computer system, the control of LED line-screen, by RS232 interface receiving computer information, show ground wire by LED, the state information of ground cutter, Single Chip Microcomputer (SCM) system shows LED carries out Comprehensive Control, show that output module adopts the mode of dynamic scan, come the driving LED screen, finish ground wire in the control room by the switch of controlling triode, the integrated management of ground cutter state information.
Communicating circuit is mainly based on low-power consumption, low cost, microminiaturization and design philosophy easy to use, be made up of MSP430F123 primary processor, wireless data sending chip nRF905 and RS-232 interface circuit chip SP3223 and peripheral circuit thereof, the core devices that the wireless data transmission circuit adopts is the wireless data sending chip nRF905. communicating circuit by the up-to-date release of MSP430F123 single-chip microcomputer and Norway Nordic company of American TI Company production.NRF905 is a radio transmitting and receiving chip that Nordic VISI company releases, 32 pin encapsulation (32I QFN 5 * 5 mm), supply power voltage is 1.9～3.6 V, work in 3 ISM of 433/868/915 MHz (industry, science and medical science) channel, can handle prefix and CRC (CRC) automatically. microprocessor can be by SPI interface and dependent instruction visit, receive and the transmission field data by MSP430F123 Single-chip Controlling SP3223E interface, send computer system to handle.
Claims (5)
1. transformer substation grounding wire, monitoring of ground connection disconnecting link and management devices, by the field monitoring unit, data acquisition unit, radio communication unit, output control unit, industrial computer system, the data monitoring management system is formed, it is characterized in that: the field monitoring unit changes switch with on-the-spot ground wire and ground swivel and is connected, radio communication unit is connected with data acquisition unit with the field monitoring unit respectively, data acquisition unit is connected with the industrial computer system serial communication interface, industrial computer is connected with output control unit, and output control unit is connected with each state indication; And adopting the duplex receiver module to guarantee transfer of data, state and other information that data input, output adopt photoelectricity to isolate ground wire realize exchanges data by wireless network and host computer.
2. transformer substation grounding wire according to claim 1, the monitoring of ground connection disconnecting link and management devices, it is characterized in that described field monitoring unit, it is core that the collection in worksite processing unit adopts ATMEGA ATmega64 single-chip microcomputer, be risc architecture, at full speed, being installed in the system debug interface chip of non-intrusion type; Its operating voltage range is 2.7～5.5V; Switching value displacement to the scene manages, and adopts keyboard to show that special driving chip ZLG7290 drives 87 segment encode common cathode LED charactrons.
3. transformer substation grounding wire according to claim 1, monitoring of ground connection disconnecting link and management devices, it is characterized in that described data acquisition unit, adopting the ATMEGA64 single-chip microcomputer is core, a distant place receives on-the-spot switching value data, output state of ground wire information, carry out Communication Control face luminous tube output ground cutter state information with computer system, the control of LED line-screen, by RS232 interface receiving computer information, show ground wire by LED, the state information of ground cutter, Single Chip Microcomputer (SCM) system shows LED carries out Comprehensive Control, show that output module adopts the mode of dynamic scan, switch by the control triode comes the driving LED screen, finishes ground wire in the control room, the integrated management of ground cutter state information.
4. transformer substation grounding wire according to claim 1, monitoring of ground connection disconnecting link and management devices, the core devices that it is characterized in that described radio communication unit employing is the wireless data sending chip nRF905. communicating circuit by the up-to-date release of MSP430F123 single-chip microcomputer and Norway Nordic company of American TI Company production, nRF905 is a radio transmitting and receiving chip that Nordic VISI company releases, 32 pin encapsulation 32I QFN, 5 * 5 mm, supply power voltage is 1.9～3.6 V, work in 3 ISM of 433/868/915 MHz, can handle prefix and CRC (CRC) automatically., microprocessor is visited its peripheral interface by SPI interface and dependent instruction, and data are stored among the FLASH of the RAM of 256 bit and 8 kbit.
5. transformer substation grounding wire according to claim 1, the monitoring of ground connection disconnecting link and management devices, the serial ports and the led controller serial ports that it is characterized in that computer in the described industrial computer system, send into the Data Control display screen, the 74HC164 that the serial i O of computer connects control board carries out serial shift control indication information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200740440U CN201966695U (en) | 2011-03-21 | 2011-03-21 | Monitoring and managing device for ground wire and ground disconnecting link of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200740440U CN201966695U (en) | 2011-03-21 | 2011-03-21 | Monitoring and managing device for ground wire and ground disconnecting link of transformer substation |
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| Publication Number | Publication Date |
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| CN201966695U true CN201966695U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200740440U Expired - Lifetime CN201966695U (en) | 2011-03-21 | 2011-03-21 | Monitoring and managing device for ground wire and ground disconnecting link of transformer substation |
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| CN (1) | CN201966695U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149496A (en) * | 2013-02-28 | 2013-06-12 | 上海市电力公司 | Online detection device and detection method for opening/closing state of grounding knife switch |
| CN107749668A (en) * | 2017-11-13 | 2018-03-02 | 国网浙江省电力公司文成县供电公司 | A kind of operation field is grounded wire management device |
| CN110011419A (en) * | 2019-04-17 | 2019-07-12 | 珠海优特电力科技股份有限公司 | A kind of ground line extension tears state wireless collection shielding system and its working method open |
| CN111932856A (en) * | 2020-08-05 | 2020-11-13 | 华北电力大学扬中智能电气研究中心 | Ground wire monitoring system and method |
-
2011
- 2011-03-21 CN CN2011200740440U patent/CN201966695U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149496A (en) * | 2013-02-28 | 2013-06-12 | 上海市电力公司 | Online detection device and detection method for opening/closing state of grounding knife switch |
| CN103149496B (en) * | 2013-02-28 | 2016-02-03 | 上海市电力公司 | The on-line measuring device of grounding switch deciliter state and detection method |
| CN107749668A (en) * | 2017-11-13 | 2018-03-02 | 国网浙江省电力公司文成县供电公司 | A kind of operation field is grounded wire management device |
| CN110011419A (en) * | 2019-04-17 | 2019-07-12 | 珠海优特电力科技股份有限公司 | A kind of ground line extension tears state wireless collection shielding system and its working method open |
| CN110011419B (en) * | 2019-04-17 | 2023-09-22 | 珠海优特电力科技股份有限公司 | Wireless acquisition isolation system in ground wire hanging and detaching state and working method thereof |
| CN111932856A (en) * | 2020-08-05 | 2020-11-13 | 华北电力大学扬中智能电气研究中心 | Ground wire monitoring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |
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| CX01 | Expiry of patent term |