CN104749477A - Wireless based loosening monitoring system and method for conductor of distribution line - Google Patents
Wireless based loosening monitoring system and method for conductor of distribution line Download PDFInfo
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- CN104749477A CN104749477A CN201310744503.5A CN201310744503A CN104749477A CN 104749477 A CN104749477 A CN 104749477A CN 201310744503 A CN201310744503 A CN 201310744503A CN 104749477 A CN104749477 A CN 104749477A
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Abstract
The invention relates to a wireless based loosening monitoring system and method for a conductor of a distribution line. The system comprises a plurality of conductor loosening early warning devices, a plurality of reinforced data concentrators and a background early warning server. When in use, the conductor loosening early warning devices are mounted to send a networking request to search the closest reinforced data concentrator, and a route list is recorded synchronously; a chain network is formed along the distribution line according to the route list by the short-distance wireless mode; the conductor loosening early warning devices are used for acquiring the displacement information of monitoring points in real time, analyzing whether the conductors at the monitoring points are loosened or fallen from clamps, uploading the conductor loosening early warning signals in real time by the short-distance wireless manner, and timely uploading the device state information to the reinforced data concentrators; the reinforced data concentrator is used for sending the acquired conductor displacement data and the early warning signal to the background early warning server through a GPRS/ exclusive power network. The system is small in size; a clamp type inductive coil is used for supplying electricity, so that the clamp type inductive coil is an electricity supply device and is also called a fixing clamp; the electrical isolating characteristic is good; the mounting is flexible and convenient, and the construction load is small.
Description
Technical field
The present invention relates to a kind of distribution line monitoring system and device thereof, is a kind ofly loosen monitoring system and monitoring method based on wireless distribution line lead specifically.
Background technology
In recent years, along with the growth step by step of increase and the need for electricity gradually of power consumer, distribution line scale is increasing, distributes more and more intensive.But wind, sunshine etc. natural cause and the human factor such as construction impact under, porcelain vase fixture occurs on electric pole distribution line often and wire is fixing loosens, and even wire comes off from porcelain vase.The wire come off is easy to fracture or excessively near with other conductive contact under the impact of external force factor, causes ground connection or short circuit accident, causes serious economic loss to the productive life of people.The method that current power department is applied to distribution line failure detection mainly contains manual inspection and installs fault detector.Manual inspection is no doubt safe and reliable, but because distribution line scale is increasing, distribute more and more intensive, track walker cannot porcelain vase inspection fastening clips one by one, and fault detector can only circuit be short-circuited or ground fault time alarm accident spot, be therefore necessary that a kind of distribution line lead of preventing trouble before it happens of invention loosens prior-warning device.
Summary of the invention
For the deficiency of the existing fault pre-alarming device and method of distribution line, the present invention proposes a kind ofly to loosen monitoring system and monitoring method based on wireless distribution line lead.
The technical scheme that the present invention is adopted for achieving the above object is: a kind ofly loosen monitoring system based on wireless distribution line lead, comprising:
Several wires loosen prior-warning device, be installed on the wire at fixture fixing cord place, porcelain vase top, be close to fixture, loosening for judging whether wire is connected with fixture on porcelain vase, send early warning signal to enhanced data concentrator when monitoring wire and being connected loosening with fixture on porcelain vase;
Several enhanced data concentrators, loosen prior-warning device with wire and carry out radio communication, loosen the early warning signal of prior-warning device transmission for receiving wire;
Backstage Warning Service device, by GRPS/ power private network link enhancement type data concentrator, for receiving the early warning signal that enhanced data concentrator is uploaded, in station, staff sends early warning and reports early warning place.
Described wire loosens prior-warning device, and to judge that whether wire is connected with fixture on porcelain vase by the wire movement of monitoring wire pole insulator top wire bearing loosening.
Described wire loosens prior-warning device and is divided into some groups along distribution line according to distance, and the wire of same group loosens prior-warning device and forms chain network by short-distance wireless mode.
Described wire loosens prior-warning device and comprises:
Displacement transducer, connecting microprocessor, for monitoring the displacement of wire fixed point wire, and the displacement data of monitoring being transferred to microprocessor;
Microprocessor, for collecting the displacement data that displacement transducer is uploaded, judges whether tested point wire is subjected to displacement and whether shift value exceedes setting threshold value, if exceed setting threshold value, sends early warning signal by wireless communication module;
Wireless communication module, connects microprocessor, for communicating with described enhanced data concentrator;
Inductive coil, is looped around on monitored wire, for obtaining electric energy;
Mu balanced circuit, connects microprocessor and inductive coil, carries out voltage regulation filtering process, provide working power for described wire loosens monitoring device for the electric energy obtained by inductive coil.
Described inductive coil is jaw type inductive coil, and it folding end band can have clamp nut, and interior side ring has buffering apron, for described wire being loosened the wire that monitoring device is fixed on fixture fixing cord place, porcelain vase top.
Described enhanced data concentrator is installed on the crotch of distribution line.
Loosen a monitoring method based on wireless distribution line lead, comprise the following steps:
Wire loosens after prior-warning device is installed and sends networking request, seeks nearest enhanced data concentrator and records route list, forming chain network according to route list along distribution line by short-distance wireless mode;
Wire loosens the displacement information of prior-warning device Real-time Collection monitoring point, whether research and application point wire loosens with fixture is fixing or comes off, go up call wire in real time by short-distance wireless mode and loosen early warning signal, timing uploads device state information to enhanced data concentrator;
The wire movement data of collection and early warning signal are sent to backstage Warning Service device by GPRS/ power private network by enhanced data concentrator.
Whether described research and application point wire loosens with fixture is fixing or comes off, and is specially:
Wire loosens the displacement of the position transducer monitoring wire fixed point wire in prior-warning device, gathers displacement data;
When the displacement data gathered exceedes initial setting threshold value, wire loosens prior-warning device and sends early warning signal by wireless communication module.
Described wire loosens monitoring device and adopts multi-hop mode by its status information and be connected loosening early warning signal and pass and reach enhanced data concentrator.
When distribution line extend extended network scale time, new wire loosen prior-warning device install after to sending networking request around; Wire in wireless network loosens after prior-warning device receives networking request and loosens prior-warning device transmission route list to new wire; New wire loosens after prior-warning device receives route list selects optimal path to add wireless chain network according to RSSI value, and joins request to the enhanced data concentrator transmission in list; Carry out key authentication after enhanced data gateway receives and joins request, the ID after being verified, new wire being loosened prior-warning device charges to route list, and loosens prior-warning device transmission route list lastest imformation to net inside conductor.
The present invention has the following advantages and beneficial effect:
1. volume of the present invention is little and adopt the power taking of jaw type inductive coil, and jaw type inductive coil is electricity getting device, and be again stationary fixture, electrical isolation characteristic is good, convenient and flexible installation, and construction volume is little.
2. the present invention forms chain network along distribution line, and without the more communication routing apparatus of peripheral hardware, system constructing is with low cost;
3. monitoring device is by cordless communication network transferring status data and alerting signal, and data volume is little, and network reliability is higher;
4. can hold the node newly added, network has extensibility.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention;
Fig. 2 is monitoring device structural drawing of the present invention;
Fig. 3 is monitoring method process flow diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Wire of the present invention loosens prior-warning device and is installed on the wire at fixture fixing cord place, porcelain vase top, be close to fixture, judge whether wire is connected with fixture on porcelain vase by the wire movement of monitoring wire pole insulator top wire bearing loosening, chain network is formed along distribution line by short-distance wireless mode, wire is loosened early warning signal and be sent to enhanced data concentrator, early warning signal is sent to backstage Warning Service device by GRPS/ power private network by enhanced data concentrator;
Described wire loosens prior-warning device and is made up of displacement transducer, microprocessor, wireless communication module, jaw type inductive coil and mu balanced circuit, and monitoring device obtains working power by way of electromagnetic induction.Jaw type inductive coil is electricity getting device, is again device stationary fixture, and coil can have clamp nut by folding end, and in coil, side ring has buffering apron.Wire loosens prior-warning device composition structure as shown in Figure 2.
Described wire loosens after prior-warning device is installed and sends networking request, seeks most proximal end enhanced data concentrator and records route list, forming chain network according to route list along distribution line by short-distance wireless mode.
After described wire loosens prior-warning device networking, timing uploads device state information, Real-time Collection monitoring point displacement information, and whether research and application point wire loosens with fixture is fixing.When the displacement data gathered exceedes initial setting threshold value, wire loosens prior-warning device and sends early warning signal.
Described wire loosens monitoring system and adopts multi-hop mode prior-warning device status information and early warning signal to be passed to reach enhanced data concentrator, enhanced data gateway is installed on circuit crotch, by GPRS/ power private network, collection signal and early warning signal is sent to backstage Warning Service device.
The wireless chain network that described distribution line lead loosens monitoring system composition according to the extension extended network scale of distribution line, can hold the monitoring device newly added.
Wire loosens on the wire that prior-warning device is installed near fixture fixing cord place, porcelain vase top, be close to fixture, after wire loosens monitoring device installation, networking solicited message is sent towards periphery along distribution line, the mesh information that prior-warning device sends is often through a prior-warning device route, just the id information of this prior-warning device is recorded, until receive the response of enhanced data concentrator.The every route of prior-warning device is once close to the request mesh information that on shaft tower, prior-warning device sends, and just join request ID own mesh information ID list.When prior-warning device receives the response of two and above enhanced data concentrator, the enhanced data gateway that prior-warning device selects route list member less is as communication objective node, and record path.Enhanced data concentrator receive node send networking solicited message after according in solicited message ID listed paths reply ACK response, wire loosen prior-warning device receive enhanced data concentrator reply ACK response after record communication path and by the id information of routing node each in path according to path order stored in route list.
Wire loosens prior-warning device timing and sends status information to enhanced data concentrator, to backstage Warning Service device report prior-warning device state.Wire loosens the displacement information of prior-warning device Real-time Collection monitoring point wire, and carry out Data Analysis Services, judge whether the displacement information gathered exceedes initial setting threshold value, if the displacement information of prior-warning device collection exceedes initial setting threshold value, prior-warning device sends early warning signal and is sent to enhanced data concentrator by the wireless chain network in route list.By GPRS/ power private network, early warning signal is sent to backstage Warning Service device after enhanced data concentrator receives early warning signal, as shown in Figure 3.
Wire loosens the wireless chain network that early warning system can become according to the extension extended network scale of distribution line, can hold the monitoring device newly added.To sending networking request around after new prior-warning device installation, in wireless network, prior-warning device sends route list to new prior-warning device after receiving networking request, select optimal path to add wireless chain network according to RSSI value and path jumping figure and send to enhanced data concentrator in list after new prior-warning device receives the route list of neighbouring prior-warning device transmission to join request, carry out key authentication after enhanced data gateway receives and joins request, key authentication by after the ID of new prior-warning device is charged to route list.
Claims (10)
1. loosen a monitoring system based on wireless distribution line lead, it is characterized in that, comprising:
Several wires loosen prior-warning device, be installed on the wire at fixture fixing cord place, porcelain vase top, be close to fixture, loosening for judging whether wire is connected with fixture on porcelain vase, send early warning signal to enhanced data concentrator when monitoring wire and being connected loosening with fixture on porcelain vase;
Several enhanced data concentrators, loosen prior-warning device with wire and carry out radio communication, loosen the early warning signal of prior-warning device transmission for receiving wire;
Backstage Warning Service device, by GRPS/ power private network link enhancement type data concentrator, for receiving the early warning signal that enhanced data concentrator is uploaded, in station, staff sends early warning and reports early warning place.
2. according to claim 1ly a kind ofly loosen monitoring system based on wireless distribution line lead, it is characterized in that, described wire loosens prior-warning device, and to judge that whether wire is connected with fixture on porcelain vase by the wire movement of monitoring wire pole insulator top wire bearing loosening.
3. according to claim 1ly a kind ofly loosen monitoring system based on wireless distribution line lead, it is characterized in that, described wire loosens prior-warning device and is divided into some groups along distribution line according to distance, and the wire of same group loosens prior-warning device and forms chain network by short-distance wireless mode.
4. according to claim 1ly a kind ofly loosen monitoring system based on wireless distribution line lead, it is characterized in that, described wire loosens prior-warning device and comprises:
Displacement transducer, connecting microprocessor, for monitoring the displacement of wire fixed point wire, and the displacement data of monitoring being transferred to microprocessor;
Microprocessor, for collecting the displacement data that displacement transducer is uploaded, judges whether tested point wire is subjected to displacement and whether shift value exceedes setting threshold value, if exceed setting threshold value, sends early warning signal by wireless communication module;
Wireless communication module, connects microprocessor, for communicating with described enhanced data concentrator;
Inductive coil, is looped around on monitored wire, for obtaining electric energy;
Mu balanced circuit, connects microprocessor and inductive coil, carries out voltage regulation filtering process, provide working power for described wire loosens monitoring device for the electric energy obtained by inductive coil.
5. according to claim 4ly a kind ofly loosen monitoring system based on wireless distribution line lead, it is characterized in that, described inductive coil is jaw type inductive coil, it folding end band can have clamp nut, interior side ring has buffering apron, for described wire being loosened the wire that monitoring device is fixed on fixture fixing cord place, porcelain vase top.
6. according to claim 1ly a kind ofly loosen monitoring system based on wireless distribution line lead, it is characterized in that, described enhanced data concentrator is installed on the crotch of distribution line.
7. loosen a monitoring method based on wireless distribution line lead, it is characterized in that, comprise the following steps:
Wire loosens after prior-warning device is installed and sends networking request, seeks nearest enhanced data concentrator and records route list, forming chain network according to route list along distribution line by short-distance wireless mode;
Wire loosens the displacement information of prior-warning device Real-time Collection monitoring point, whether research and application point wire loosens with fixture is fixing or comes off, go up call wire in real time by short-distance wireless mode and loosen early warning signal, timing uploads device state information to enhanced data concentrator;
The wire movement data of collection and early warning signal are sent to backstage Warning Service device by GPRS/ power private network by enhanced data concentrator.
8. according to claim 7ly a kind ofly loosen monitoring method based on wireless distribution line lead, it is characterized in that, whether described research and application point wire loosens with fixture is fixing or comes off, and is specially:
Wire loosens the displacement of the position transducer monitoring wire fixed point wire in prior-warning device, gathers displacement data;
When the displacement data gathered exceedes initial setting threshold value, wire loosens prior-warning device and sends early warning signal by wireless communication module.
9. according to claim 7ly a kind ofly loosen monitoring method based on wireless distribution line lead, it is characterized in that, described wire loosens monitoring device and adopts multi-hop mode by its status information and be connected loosening early warning signal and pass and reach enhanced data concentrator.
10. according to claim 7ly a kind ofly loosen monitoring method based on wireless distribution line lead, it is characterized in that, when distribution line extends extended network scale, new wire loosen prior-warning device install after to sending networking request around; Wire in wireless network loosens after prior-warning device receives networking request and loosens prior-warning device transmission route list to new wire; New wire loosens after prior-warning device receives route list selects optimal path to add wireless chain network according to RSSI value, and joins request to the enhanced data concentrator transmission in list; Carry out key authentication after enhanced data gateway receives and joins request, the ID after being verified, new wire being loosened prior-warning device charges to route list, and loosens prior-warning device transmission route list lastest imformation to net inside conductor.
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| CN201310744503.5A CN104749477A (en) | 2013-12-30 | 2013-12-30 | Wireless based loosening monitoring system and method for conductor of distribution line |
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| CN201310744503.5A CN104749477A (en) | 2013-12-30 | 2013-12-30 | Wireless based loosening monitoring system and method for conductor of distribution line |
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| CN114187740A (en) * | 2021-12-09 | 2022-03-15 | 广联达科技股份有限公司 | Safety belt and state monitoring method and safety monitoring system thereof |
| CN118640785A (en) * | 2024-08-15 | 2024-09-13 | 国网山西省电力公司超高压输电分公司 | Overhead cable safety line distance monitoring system and method |
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