Unmanned aerial vehicle-assisted uninterrupted power supply operation system and method for power distribution network
Technical Field
The invention relates to the technical field of uninterrupted power operation of a power distribution network, in particular to an uninterrupted power operation system and method of the power distribution network based on unmanned aerial vehicle assistance.
Background
The particularity of the distribution network uninterrupted operation determines that the distribution network has higher technical requirements on the aspects of tools, appliances and personnel configuration. Through the innovative research and development of tools and operation modes, time and labor are saved, convenience and rapidness are realized, and the working efficiency of operating personnel can be greatly improved.
In the face of the new form of power supply change, new service requirements, new distribution network mode and new technical development, the requirements of various social industries on power supply reliability are stronger and stronger, and the uninterrupted operation of the distribution network becomes an effective technical means for replacing power failure maintenance. Under the actual conditions of replacing column switches and additionally installing power distribution terminals and fault indicators in large batches in distribution network automation, the method takes 'energy band non-stop' as a guide, takes non-power-off operation as a main operation mode, actively explores and researches a novel operation method and a tool, guarantees safety, quality and efficiency of distribution network automation construction, and comprehensively improves the reliability of distribution network power supply.
The distribution network uninterrupted operation mode in China mainly has two kinds: one is an insulating glove operation method, and the other is an insulating rod operation method.
(1) The insulating glove operation method can smoothly complete various complicated operation items, for example, in the application number of 201510471581.1 and the patent name of 'construction method for replacing pole-mounted switch equipment by insulating glove of insulating bucket arm vehicle with load', the operation of replacing the pole-mounted switch equipment on a power line without power failure by using the insulating bucket arm vehicle and the insulating glove is disclosed, but in the operation process, because the distance between a human body and a charged body and a grounding body is too close, the insulating shielding process is also the most dangerous process, the operation procedure is complicated, the labor intensity is high, and a large safety risk exists in the operation process;
(2) the insulating rod operation method needs to keep an effective safe operation distance, has lower requirements on operation environment and wider application, and can be operated in a bucket arm vehicle, an insulating platform and a tower; the insulating rod type tool has longer service life and detection period, the common insulating rod type tool needs less detection than an insulating glove type tool, the fault rate of a product is lower, the same tool can be suitable for more voltage levels and can be operated in a narrower space, and an operator has enough safety distance with a charged body; for example, a non-power-off operation method using an insulating operating rod and an insulating ladder is disclosed in the patent application No. 201611005664.2 and the patent name "a 10KV distribution line and equipment live-line operation method", and is applicable to the 10KV distribution line and equipment live-line operation in a narrow space;
no matter the insulating glove operation method or the insulating rod operation method, a lifting platform is mostly needed in the operation process, such as an insulating bucket arm vehicle, an insulating platform and the like, the insulating bucket arm vehicle is the most main insulating bearing equipment for the distribution network uninterrupted operation and plays a crucial role in complex operation, but the existing vehicles and bypass systems are more in equipment, large in size, inconvenient to transport and transport, high in requirements for operation terrain, and cannot reach most fault points under complex terrains such as fields, hillsides and the like, and the method is not beneficial to popularization in remote areas and rural distribution networks.
Disclosure of Invention
The invention provides a non-power-off operation system and method for a power distribution network based on unmanned aerial vehicle assistance, and aims to solve the technical problems that at present, when the power distribution network is operated in a non-power-off mode, an insulating bucket arm vehicle cannot reach most fault points under complex terrains such as fields and hills, and is not beneficial to popularization in distribution networks in remote areas and rural areas due to the fact that the insulating bucket arm vehicle is large in size.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
a non-power-outage operation system of a power distribution network based on unmanned aerial vehicle assistance comprises an unmanned aerial vehicle hoisting unit, an erection unit and an insulation ladder, wherein the unmanned aerial vehicle hoisting unit comprises an unmanned aerial vehicle and a hoisting assembly, the lower part of the unmanned aerial vehicle is suspended with the hoisting assembly, and the unmanned aerial vehicle and the hoisting assembly are both connected with a multi-channel remote controller; the erection unit comprises an insulating support and an insulating drainage tube, and the insulating drainage tube is erected on the insulating support.
Preferably, hoist and mount subassembly includes support, clamping jaw and prevents weighing down the mechanism, and the support hangs in the unmanned aerial vehicle lower part, is provided with on the support and prevents weighing down the mechanism, and adjacent prevents weighing down the mechanism and is connected, and the support can be dismantled with the clamping jaw and be connected and prevent weighing down the mechanism and be connected with the clamping jaw.
Preferably, the support is U type support, and U type support both sides all are provided with prevents weighing down the mechanism, and U type support passes through the connector and can dismantle with the clamping jaw and be connected.
Preferably, the anti-falling mechanism comprises a connecting sleeve and a connecting soft rope, the connecting sleeve is arranged on the U-shaped bracket, the connecting soft rope is symmetrically arranged at the lower part of the connecting sleeve, and the connecting soft rope is connected with the connecting lug seats on the connecting heads; and the adjacent connecting sleeves on the U-shaped support are fixedly connected through the anti-falling rod.
Preferably, the connecting rod is installed on clamping jaw upper portion, installs the connection piece on the connecting rod, and the connecting hole has been seted up to the connector lower part, and the connection piece passes through the bolt and can dismantle with the connecting hole and be connected.
Preferably, the clamping jaw comprises a mounting seat, a chuck and a yoke plate, the mounting seat is detachably connected with the connector through a connecting rod, the yoke plate is movably mounted on the mounting seat and is movably connected with the chuck, an electric push rod is mounted in the mounting seat, a shaft sleeve is sleeved on the electric push rod, and the shaft sleeve is movably connected with the yoke plate through an adjusting frame; the control box is installed to the mount pad tip, and the control box is connected with electric putter.
Preferably, be provided with battery, microprocessor, wireless communication module and relay module in the control box, the battery is connected with microprocessor, and microprocessor is connected with the multichannel remote controller through wireless communication module, and microprocessor is connected with electric putter through relay module.
A working method of a distribution network uninterrupted power operation system based on unmanned aerial vehicle assistance comprises the following steps:
s1, firstly, the clamping jaws in the unmanned aerial vehicle hoisting unit are controlled to shrink to clamp the insulating support through the multi-channel remote controller, then the unmanned aerial vehicle is controlled to take off through the multi-channel remote controller, ground operators observe the flying position of the unmanned aerial vehicle through the multi-channel remote controller, when the ground operators reach the top of an electric pole, the operators control the unmanned aerial vehicle to descend through the multi-channel remote controller until the insulating support is placed on the top of the electric pole, and finally the clamping jaws are controlled to stretch through the multi-channel remote controller, so that the hoisting of the insulating support is completed;
s2, hoisting the insulated drainage tube, and sequentially hoisting the insulated drainage tube to the mounting groove on the insulated bracket by using an unmanned aerial vehicle to form an insulated drainage wire bridge;
s3, after the step S2 is completed, an operator laps an insulated drainage wire on the insulated drainage wire bridge frame by a ground potential insulation rod operation method;
s4, after the step S3 is completed, an operator uses the takeoff assistance of the unmanned aerial vehicle to check whether the insulated drainage wire on the insulated drainage wire bridge frame is successfully lapped, and after the operator confirms that the insulated drainage wire is successfully lapped, the operator uses the insulated ladder to reach the specified height to disconnect the breaker and the disconnecting switch on the column;
s5, after the step S4 is completed, an operator uses the insulating rod to remove the leads of the circuit breakers and the isolating switches on the column one by one, after the leads are removed, the operator uses the insulating ladder to replace the circuit breakers and the isolating switches on the column, and uses the insulating rod to lap the leads of the circuit breakers and the isolating switches after replacement;
s6, after the step S5 is completed, the operating personnel check whether the lead wires of the circuit breaker and the disconnecting switch are successfully lapped after replacement by using the takeoff assistance of the unmanned aerial vehicle again, and after the lapping is confirmed to be successful, the operating personnel close the circuit breaker and the disconnecting switch on the column;
and S7, after the step S6 is completed, the operator disconnects the insulated drainage wire by using a ground potential insulating rod operation method, and after the insulated drainage wire is disconnected, the operator detaches the insulated drainage tube and the insulated support one by using an unmanned aerial vehicle, so that uninterrupted operation of the pole top switch is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the unmanned aerial vehicle hoisting unit, the insulating ladder, the insulating support and the insulating drainage tube form a set of live working auxiliary tool, so that operators can smoothly complete the uninterrupted power operation of a power line in the field or remote areas under the assistance of the auxiliary tool in the environment that vehicles in the field are inconvenient to pass, and the problem that most fault points cannot reach in complex terrains such as fields and hillsides is solved;
2. according to the invention, the anti-falling structure is arranged in the unmanned aerial vehicle hoisting unit, so that the clamping jaw is prevented from mechanical failure or slipping and falling, and meanwhile, the insulating ladder is matched in the complete tool set, so that the follow-up operation of electric power workers is facilitated;
3. the insulating drainage wire bridge frame is integrally formed by the insulating support and the insulating drainage tube, so that the bypass drainage is realized by conveniently erecting the drainage wire, and the operation space below the wire and in the horizontal direction is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the unmanned aerial vehicle hoisting unit in fig. 1.
Fig. 3 is a schematic view of the structure of the clamping jaw in fig. 2.
In the picture, 1 is unmanned aerial vehicle, and 2 is U type support, and 3 are for preventing weighing down the pole, and 4 are the adapter sleeve, and 5 are for connecting the rope, and 6 are the connector, and 61 is the engaging lug seat, and 62 are the silk hole, and 7 are the clamping jaw, and 8 are insulating drainage tube, and 9 are insulating support, and 10 are insulating ladders, and 11 are the multichannel remote controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1: as shown in fig. 1, the unmanned aerial vehicle-assisted uninterrupted power operation system for the power distribution network comprises an unmanned aerial vehicle hoisting unit, a erecting unit and an insulating ladder 10, wherein the insulating ladder is matched in a tool set to facilitate subsequent operation of power workers, the unmanned aerial vehicle hoisting unit comprises an unmanned aerial vehicle 1 and a hoisting assembly, the hoisting assembly is suspended at the lower part of the unmanned aerial vehicle 1, and the unmanned aerial vehicle 1 and the hoisting assembly are both connected with a multi-channel remote controller 11; the erection unit comprises an insulating support 9 and an insulating drainage tube 8, the insulating drainage tube 8 is erected on the insulating support 9, an insulating drainage wire bridge is integrally formed by the insulating support and the insulating drainage tube, on one hand, the drainage wire can be conveniently erected to achieve bypass drainage, and on the other hand, the operation space below the wire and in the horizontal direction is ensured.
As shown in fig. 2, the hoisting assembly comprises a support, a clamping jaw 7 and an anti-falling mechanism, the support is a U-shaped support 2, the support is hung on the lower part of an unmanned aerial vehicle 1, the anti-falling mechanism is arranged on the support, the anti-falling mechanisms are arranged on two sides of the U-shaped support 2, the adjacent anti-falling mechanisms are connected, the support is detachably connected with the clamping jaw 7, the anti-falling mechanism is connected with the clamping jaw 7, the U-shaped support 2 is detachably connected with the clamping jaw 7 through a connector 6, a screw hole 62 is formed in the connector 6, connecting lug seats 61 are arranged on two sides of the screw hole 62 and on the connector 6, and the connecting lug seats 61 are detachably connected with the anti-falling mechanism;
the anti-falling mechanism comprises a connecting sleeve 4 and a connecting soft rope 5, the connecting sleeve 4 is arranged on the U-shaped bracket 2, the connecting soft rope 5 is symmetrically arranged at the lower part of the connecting sleeve 4, and the connecting soft rope 5 is connected with a connecting lug seat 61 on a connecting head 6; adjacent adapter sleeve 4 is through preventing weighing down pole 3 fixed connection on the U type support 2, utilizes and connects the soft rope and prevents weighing down the pole and improve the security when the clamping jaw uses greatly, connects the soft rope and prevents that the whole backup protection instrument that is regarded as of the pole that weighs down, prevents that the clamping jaw from taking place mechanical failure or skidding and dropping.
The utility model discloses a portable tool box, including U type support 2, clamping jaw 7, connecting piece, connecting hole, connecting bolt, connecting rod, connecting piece and clamping jaw detachable connected mode, U type support 2 lower part is provided with threaded joint, threaded joint and 62 threaded connection of screw hole, and the connecting rod is installed on clamping jaw 7 upper portion, installs the connection piece on the connecting rod, and the connecting hole has been seted up to the connector lower part, and the connection piece passes through the bolt can be dismantled with the connecting hole and be connected, utilizes connector and clamping jaw detachable connected mode, and the equipment is carried in the field of being convenient for, reduces equipment and occupies toolbox space.
As shown in fig. 3, the clamping jaw 7 comprises a mounting seat, a chuck and a yoke plate, the mounting seat is detachably connected with the connector 6 through a connecting rod, the yoke plate is movably mounted on the mounting seat, the yoke plate is movably connected with the chuck, an electric push rod is mounted in the mounting seat, a shaft sleeve is sleeved on the electric push rod, and the shaft sleeve is movably connected with the yoke plate through an adjusting frame; the end part of the mounting seat is provided with a control box, the control box is connected with the electric push rod, a storage battery, a microprocessor, a wireless communication module and a relay module are arranged in the control box, the storage battery is connected with the microprocessor, the microprocessor is connected with a multi-channel remote controller through the wireless communication module, the microprocessor is connected with the electric push rod through the relay module, the multi-channel remote controller is used for remotely controlling clamping jaws to clamp or release, the microprocessor is connected with the electric push rod through the relay module, an unmanned aerial vehicle is used for driving the clamping jaws to clamp a non-power-off operation tool, and an operator is assisted to complete live working, meanwhile, the unmanned aerial vehicle and the clamping jaw are utilized to avoid the condition that the bucket arm vehicle cannot be used under complex terrain, the problem that the existing distribution network is in uninterrupted operation is solved, unmanned aerial vehicle presss from both sides often appears dropping when getting appurtenance operation, influences the technical problem of operating efficiency.
Example 2: a working method of a distribution network uninterrupted power operation system based on unmanned aerial vehicle assistance comprises the following steps:
s1, firstly, an operator controls a clamping jaw 7 in a lifting unit of the unmanned aerial vehicle to shrink and clamp an insulating support 9 through a multi-channel remote controller 11, the multi-channel remote controller sends a clamping signal to a control box, a microprocessor in the control box controls a relay to close, an electric push rod retracts, the electric push rod drives a connecting sleeve to descend, the connecting sleeve drives an adjusting frame and a connecting plate to shrink integrally to present a retracting and clamping insulating support, after the insulating support is clamped, a takeoff device signal is sent to the unmanned aerial vehicle through the multi-channel remote controller 11 to control the unmanned aerial vehicle 1 to take off, the ground operator observes the flying position of the unmanned aerial vehicle through a display screen on the multi-channel remote controller 11, when the ground operator reaches the top of an electric pole, the operator controls the unmanned aerial vehicle 1 to slowly descend through the multi-channel remote controller 11 until the insulating support 9 is placed on the top of the electric pole, and observes the insulating support through the multi-channel remote controller to confirm whether the insulating support is placed in place or not, after confirming that the insulating support is installed in place, finally, a worker controls the clamping jaw 7 to stretch out through the multi-channel remote controller 11, and thus the hoisting of the insulating support 9 is completed;
s2, hoisting the insulating drainage tube 8, sequentially hoisting the insulating drainage tube 8 to the installation groove on the insulating support 9 by using the unmanned aerial vehicle 1 to form an insulating drainage wire bridge, and the erecting process is the same as that of the erecting method of the insulating support in the step S1;
s3, after the step S2 is finished, an operator laps an insulated drainage wire on the insulated drainage wire bridge frame by a ground potential insulating rod operation method;
s4, after the step S3 is completed, an operator uses the takeoff assistance of the unmanned aerial vehicle 1 to check whether the insulated drainage wires on the insulated drainage wire bridge frame are successfully lapped, after the unmanned aerial vehicle takes off, the operator observes the lapping state of the insulated drainage wires on the insulated drainage wire bridge frame through a multi-channel remote controller, and after the operator confirms that the insulated drainage wires are successfully lapped, the circuit breaker and the isolating switch on the column are disconnected after the insulated ladder 10 reaches the specified height;
s5, after the step S4 is completed, an operator uses the insulating rods to remove the leads of the circuit breakers and the isolating switches on the column one by one, after the leads are removed, the operator uses the insulating ladder 10 to replace the circuit breakers and the isolating switches on the column, and uses the insulating rods to lap the leads of the circuit breakers and the isolating switches after replacement;
s6, after the step S5 is completed, the operating personnel check whether the lead wires of the circuit breaker and the disconnecting switch are successfully lapped after replacement by using the takeoff assistance of the unmanned aerial vehicle 1 again, and after the lapping is confirmed to be successful, the operating personnel close the circuit breaker and the disconnecting switch on the column;
and S7, after the step S6 is completed, the operator disconnects the insulated drainage wire by using a ground potential insulating rod operation method, and after the insulated drainage wire is disconnected, the operator detaches the insulated drainage tube 8 and the insulated support 9 one by using the unmanned aerial vehicle 1, so that the uninterrupted operation of the pole top switch is completed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.