CN105449851A - Rural-power-grid distribution-equipment remote on-line fault diagnosis system based on cloud server - Google Patents
Rural-power-grid distribution-equipment remote on-line fault diagnosis system based on cloud server Download PDFInfo
- Publication number
- CN105449851A CN105449851A CN201510801238.9A CN201510801238A CN105449851A CN 105449851 A CN105449851 A CN 105449851A CN 201510801238 A CN201510801238 A CN 201510801238A CN 105449851 A CN105449851 A CN 105449851A
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- Prior art keywords
- cloud server
- controller
- switching equipment
- power grids
- voltage
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000007257 malfunction Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H02J13/0006—
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a rural-power-grid distribution-equipment remote on-line fault diagnosis system based on a cloud server. The system comprises a temperature detection circuit and a voltage detection circuit which are connected to rural-power-grid distribution equipment. The temperature detection circuit and the voltage detection circuit are connected to a controller respectively. The controller is communicated with the cloud server. Detected temperature and voltage are uploaded to the cloud server to carry out storage and sharing. The controller is also connected to alarm equipment through a relay protection device. In the cloud server, according to real-time data, analysis and diagnosis are performed. In the invention, a workload of operation-maintenance personnel is decreased. Through installing various kinds of sensors, voltage detection circuits and temperature detection circuits on the rural-power-grid distribution equipment, low voltage distribution equipment running state data is collected and near fault diagnosis and rapid publishing are realized.
Description
Technical field
The present invention relates to rural power grids distribution monitor field, be specifically related to the rural power grids controller switching equipment remote online fault diagnosis system based on Cloud Server.
Background technology
In recent years, after the new round upgrading of rural power grids and new countryside construction, rural power service companies has dropped into some smart machines.First be that power information acquisition terminal seems simple transfer of data, and remarkable in fact, because wherein comprise the parts such as power information acquisition terminal, carrier network, main website, if refinement further again, then every part also relates to different communication units, wherein either party (or in many ways) goes wrong, and all may cause communication abnormality, cause data transmission fails
Next is that distribution transforming side power cable connector overheating fault can cause fire, and the operating experience causing large area cable to burn for many years shows, the power cable operation fault of more than 90% is caused by joint fault, and connector temperature too high be the main cause causing power cable connector ageing of insulation, easily send out fault
Certain areas by the impact in geographical position, annual thunderstorm and typhoon on the high side, cause hypsography low-lying area, rural area power distribution room cable trench water collecting burnout failure often to have generation.Be finally the split type RCD of relay-type used at present be combinationally used by RCD body and A.C. contactor, the dynamic tactile system of A.C. contactor can use insulating bodies to block up conjunction etc. by force.When running into the problems referred to above, exposing rural power grids distribution equipment malfunction point and accurately locating and information transmission deficiency such as grade not in time, making rural power grids transport inspection personnel and search because being busy with fault point in breakdown repair process, extend interruption duration.
Summary of the invention
For solving the deficiency that prior art exists, the invention discloses the rural power grids controller switching equipment remote online fault diagnosis system based on Cloud Server, this fault diagnosis system is real-time, and diagnosis accurately.
For achieving the above object, concrete scheme of the present invention is as follows:
Based on the rural power grids controller switching equipment remote online fault diagnosis system of Cloud Server; comprise the temperature sensing circuit and voltage detecting circuit that are connected with rural power grids controller switching equipment; temperature sensing circuit and voltage detecting circuit are connected with controller respectively; controller communicates with Cloud Server; the temperature of detection and voltage are uploaded to Cloud Server to carry out preserving and sharing; described controller is also connected with warning device by protective relaying device, carries out analyzing and diagnosing in Cloud Server according to real time data.
Install platinum resistance sensor on the every bar lv power cable surface of distribution side low-voltage distribution cabinet apart from copper tip 5cm place, the measured data of each temperature sensor being circulated to complete after analogue data is changed through temperature itinerant detecting instrument with each path 10 s is sent to Cloud Server.
When measured data exceedes Cloud Server predetermined threshold value, Cloud Server carries out analyzing and judging according to fault diagnostic program, when reaching suspected malfunctions alarming value, then transmission alarming short message and reported data are to supervisory control system, if when fault diagnostic program analysis and judgement reach alarm conditions, Cloud Server meeting via controller sends the RCD separation command that corresponding ID numbers, realize the Fault Isolation in this low-voltage power supply loop, when observed temperature drops to threshold value of warning 30% and is following, Cloud Server then sends RCD reclosing command, enter trial line charging, and whether the temperature ascendant trend of following the tracks of this power cable surface, low-voltage power supply loop reaches alarm threshold within 3min, eligiblely again send the permanent separation command of RCD by Cloud Server.
Temperature sensing circuit comprises thermistor IC2, the positive pole termination power of thermistor IC2, the negative pole end of thermistor IC2 is connected with discharge circuit input, resistance and the electric capacity of ground connection is also parallel with between the negative pole end of thermistor IC2 and the positive terminal of amplifier, the output of discharge circuit is also by capacity earth, and the output of discharge circuit is also connected with the input of controller.Temperature sensing circuit detects rural power grids controller switching equipment temperature.When there is excess temperature, cut-off loop, protection rural power grids controller switching equipment.
Voltage detecting circuit two terminals access rural power grids controller switching equipments, two terminals are connected with the input of transformer T1, transformer T1 output is connected with the input of voltage follower IC4, the output of voltage follower IC4 is also connected with discharge circuit input, and discharge circuit output is connected with the output of controller.Real-time detection lighting loop voltage, when there is overvoltage, cutting off rural power grids controller switching equipment, playing reliable protective effect.
The input of relay drive circuit is connected with the output of controller, this input divides two-way, one tunnel is connected with power supply through resistance, another road is connected with the input of transistor circuit through resistance, the output of transistor circuit divides two-way, one tunnel is connected with unilateral diode, and another road is connected with lead-out terminal, and lead-out terminal is used for being connected with relay.
When letting out overvoltage or excess temperature, device all makes relay closes, disconnects ac contactor coil, disconnects A.C. contactor, thus cuts off rural power grids controller switching equipment.
Beneficial effect of the present invention:
1, the present invention saves fortune inspection person works amount.By installing various transducer, voltage detecting circuit and temperature sensing circuit on rural power grids controller switching equipment, collecting low-voltage distribution apparatus running state data, achieving failure diagnosis and release quickly nearby.
2, add Cloud Server, can remote on-line monitoring be realized, powerful, and have corresponding warning device, conscientiously can realize the fault detect to rural power grids controller switching equipment.
Accompanying drawing explanation
Fig. 1 structural framing figure of the present invention;
Fig. 2 is of the present invention when using and the network connection diagram of miscellaneous equipment;
Fig. 3 temperature sensing circuit of the present invention;
Fig. 4 voltage detecting circuit of the present invention;
In figure, 1, rural power grids controller switching equipment, 2, temperature sensing circuit, 3, voltage detecting circuit, 4, controller, 5, Cloud Server, 6, display unit, 7, warning device.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is described in detail:
As shown in Figure 1; based on the rural power grids controller switching equipment remote online fault diagnosis system of Cloud Server; comprise the temperature sensing circuit 2 and voltage detecting circuit 3 that are connected with rural power grids controller switching equipment 1; temperature sensing circuit 2 and voltage detecting circuit 3 are connected with controller 4 respectively; controller 4 communicates with Cloud Server 5, display unit 6 and warning device 7; the temperature of detection and voltage are uploaded to Cloud Server 5 to carry out preserving and sharing; described controller 4 is also connected with warning device 7 by protective relaying device, carries out analyzing and diagnosing in Cloud Server 5 according to real time data.The data of Cloud Server of the present invention and other equipment transmit as shown in Figure 2.
Install platinum resistance sensor on the every bar lv power cable surface of distribution side low-voltage distribution cabinet apart from copper tip 5cm place, the measured data of each temperature sensor being circulated to complete after analogue data is changed through temperature itinerant detecting instrument with each path 10 s is sent to Cloud Server.
When measured data exceedes Cloud Server predetermined threshold value, Cloud Server carries out analyzing and judging according to fault diagnostic program, when reaching suspected malfunctions alarming value, then transmission alarming short message and reported data are to supervisory control system, if when fault diagnostic program analysis and judgement reach alarm conditions, Cloud Server meeting via controller sends the RCD separation command that corresponding ID numbers, realize the Fault Isolation in this low-voltage power supply loop, when observed temperature drops to threshold value of warning 30% and is following, Cloud Server then sends RCD reclosing command, enter trial line charging, and whether the temperature ascendant trend of following the tracks of this power cable surface, low-voltage power supply loop reaches alarm threshold within 3min, eligiblely again send the permanent separation command of RCD by Cloud Server.
As shown in Figure 3, temperature sensing circuit comprises thermistor IC2, the positive pole termination power of thermistor IC2, the negative pole end of thermistor IC2 is connected with discharge circuit input, resistance and the electric capacity of ground connection is also parallel with between the negative pole end of thermistor IC2 and the positive terminal of amplifier, the output of discharge circuit is also by capacity earth, and the output of discharge circuit is also connected with the input of controller.Temperature sensing circuit detects rural power grids controller switching equipment temperature.When there is excess temperature, cut-off loop, protection rural power grids controller switching equipment.
As shown in Figure 4, voltage detecting circuit two terminals access rural power grids controller switching equipments, two terminals are connected with the input of transformer T1, transformer T1 output is connected with the input of voltage follower IC4, the output of voltage follower IC4 is also connected with discharge circuit input, and discharge circuit output is connected with the output of controller.Real-time detection lighting loop voltage, when there is overvoltage, cutting off rural power grids controller switching equipment, playing reliable protective effect.
The input of relay drive circuit is connected with the output of controller, this input divides two-way, one tunnel is connected with power supply through resistance, another road is connected with the input of transistor circuit through resistance, the output of transistor circuit divides two-way, one tunnel is connected with unilateral diode, and another road is connected with lead-out terminal, and lead-out terminal is used for being connected with relay.
When letting out overvoltage or excess temperature, device all makes relay closes, disconnects ac contactor coil, disconnects A.C. contactor, thus cuts off rural power grids controller switching equipment.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (7)
1. based on the rural power grids controller switching equipment remote online fault diagnosis system of Cloud Server; it is characterized in that; comprise the temperature sensing circuit and voltage detecting circuit that are connected with rural power grids controller switching equipment; temperature sensing circuit and voltage detecting circuit are connected with controller respectively; controller communicates with Cloud Server; the temperature of detection and voltage are uploaded to Cloud Server to carry out preserving and sharing, described controller is also connected with warning device by protective relaying device, carries out analyzing and diagnosing in Cloud Server according to real time data.
2. as claimed in claim 1 based on the rural power grids controller switching equipment remote online fault diagnosis system of Cloud Server, it is characterized in that, install platinum resistance sensor on the every bar lv power cable surface of distribution side low-voltage distribution cabinet apart from copper tip 5cm place, the measured data of each temperature sensor being circulated to complete after analogue data is changed through temperature itinerant detecting instrument with each path 10 s is sent to Cloud Server.
3. as claimed in claim 1 based on the rural power grids controller switching equipment remote online fault diagnosis system of Cloud Server, it is characterized in that, when measured data exceedes Cloud Server predetermined threshold value, Cloud Server carries out analyzing and judging according to fault diagnostic program, when reaching suspected malfunctions alarming value, then transmission alarming short message and reported data are to supervisory control system, if when fault diagnostic program analysis and judgement reach alarm conditions, Cloud Server meeting via controller sends the RCD separation command that corresponding ID numbers, realize the Fault Isolation in this low-voltage power supply loop, when observed temperature drops to threshold value of warning 30% and is following, Cloud Server then sends RCD reclosing command, enter trial line charging, and whether the temperature ascendant trend of following the tracks of this power cable surface, low-voltage power supply loop reaches alarm threshold within 3min, eligiblely again send the permanent separation command of RCD by Cloud Server.
4. as claimed in claim 1 based on the rural power grids controller switching equipment remote online fault diagnosis system of Cloud Server, it is characterized in that, temperature sensing circuit comprises thermistor IC2, the positive pole termination power of thermistor IC2, the negative pole end of thermistor IC2 is connected with discharge circuit input, resistance and the electric capacity of ground connection is also parallel with between the negative pole end of thermistor IC2 and the positive terminal of amplifier, the output of discharge circuit is also by capacity earth, and the output of discharge circuit is also connected with the input of controller; Temperature sensing circuit detects rural power grids controller switching equipment temperature; When there is excess temperature, cut-off loop, protection rural power grids controller switching equipment.
5. as claimed in claim 1 based on the rural power grids controller switching equipment remote online fault diagnosis system of Cloud Server, it is characterized in that, voltage detecting circuit two terminals access rural power grids controller switching equipments, two terminals are connected with the input of transformer T1, transformer T1 output is connected with the input of voltage follower IC4, the output of voltage follower IC4 is also connected with discharge circuit input, and discharge circuit output is connected with the output of controller; Real-time detection lighting loop voltage, when there is overvoltage, cutting off rural power grids controller switching equipment, playing reliable protective effect.
6. as claimed in claim 1 based on the rural power grids controller switching equipment remote online fault diagnosis system of Cloud Server, it is characterized in that, the input of relay drive circuit is connected with the output of controller, this input divides two-way, and a road is connected with power supply through resistance, and another road is connected with the input of transistor circuit through resistance, the output of transistor circuit divides two-way, one tunnel is connected with unilateral diode, and another road is connected with lead-out terminal, and lead-out terminal is used for being connected with relay.
7., as claimed in claim 6 based on the rural power grids controller switching equipment remote online fault diagnosis system of Cloud Server, it is characterized in that, when letting out overvoltage or excess temperature, device all makes relay closes, disconnect ac contactor coil, disconnect A.C. contactor, thus cut off rural power grids controller switching equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801238.9A CN105449851A (en) | 2015-11-19 | 2015-11-19 | Rural-power-grid distribution-equipment remote on-line fault diagnosis system based on cloud server |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801238.9A CN105449851A (en) | 2015-11-19 | 2015-11-19 | Rural-power-grid distribution-equipment remote on-line fault diagnosis system based on cloud server |
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| Publication Number | Publication Date |
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| CN105449851A true CN105449851A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510801238.9A Pending CN105449851A (en) | 2015-11-19 | 2015-11-19 | Rural-power-grid distribution-equipment remote on-line fault diagnosis system based on cloud server |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160231A (en) * | 2016-08-16 | 2016-11-23 | 安徽众升电力科技有限公司 | A kind of power equipment remote monitoring system |
| CN110362068A (en) * | 2019-08-02 | 2019-10-22 | 苏州容思恒辉智能科技有限公司 | A kind of mechanical equipment fault method for early warning, system and readable storage medium storing program for executing based on industrial Internet of Things |
-
2015
- 2015-11-19 CN CN201510801238.9A patent/CN105449851A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160231A (en) * | 2016-08-16 | 2016-11-23 | 安徽众升电力科技有限公司 | A kind of power equipment remote monitoring system |
| CN106160231B (en) * | 2016-08-16 | 2019-02-26 | 安徽众升电力科技有限公司 | A kind of power equipment remote intelligent monitoring system |
| CN110362068A (en) * | 2019-08-02 | 2019-10-22 | 苏州容思恒辉智能科技有限公司 | A kind of mechanical equipment fault method for early warning, system and readable storage medium storing program for executing based on industrial Internet of Things |
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Application publication date: 20160330 |
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| WD01 | Invention patent application deemed withdrawn after publication |