CN104501856A - Low-altitude power line swing monitoring device - Google Patents

Low-altitude power line swing monitoring device Download PDF

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Publication number
CN104501856A
CN104501856A CN201410790724.0A CN201410790724A CN104501856A CN 104501856 A CN104501856 A CN 104501856A CN 201410790724 A CN201410790724 A CN 201410790724A CN 104501856 A CN104501856 A CN 104501856A
Authority
CN
China
Prior art keywords
line
electric force
monitoring device
potentiometer
brush
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410790724.0A
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Chinese (zh)
Inventor
史智萍
李顺昕
单体华
岳云力
李博
朱正甲
李莉
黄毅臣
聂文海
刘丽
李笑蓉
秦砺寒
杨金刚
赵炜炜
陈丹
霍菲阳
杨敏
张海霞
吕昕
梁大鹏
赵国梁
范荻
张兴平
李金超
刘文峰
李佳莲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Jibei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Jibei Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Economic and Technological Research Institute of State Grid Jibei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201410790724.0A priority Critical patent/CN104501856A/en
Publication of CN104501856A publication Critical patent/CN104501856A/en
Pending legal-status Critical Current

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Abstract

The invention provides a low-altitude power line swing monitoring device and is applicable to the technical field of power system monitoring. The low-altitude power line swing monitoring device is characterized in that one end of a tension spring is fixedly connected with a pole support frame; a hooking connector is fixedly connected with the other end of the tension spring, and is hooked to a power line; one end of a connecting rod structure is connected with the other end of the tension spring; a potentiometer comprises a movable electric brush; the other end of the connecting rod structure is connected with the movable electric brush; the two ends of a power supply are connected with the potentiometer to form a loop circuit with the potentiometer; the tension spring stretches or contracts under the swing effect of the power line to form deformation, and the tension spring drives the movable electric brush to move through the connecting rod structure in the process of being deformed; an AD (analog/digital) sampling circuit collects current signals of the loop circuit and converts the current signals into digital signals; a transmission port is connected with a remote alarm device; a monitoring processor receives the digital signals and transmits the digital signals to the remote alarm device through the transmission port. The low-altitude power line swing monitoring device has the advantages that the structure is simple, the mounting is convenient, and the swing situation of the power line can be monitored in real time.

Description

A kind of low latitude line of electric force swings monitoring device
Technical field
The present invention relates to electric power supervisory control technical field, particularly, relate to a kind of low latitude line of electric force and swing monitoring device.
Background technology
Existing transmission line of electricity adopts built on stilts mode to be arranged on bar, tower usually, and for the low-voltage power line of rural area, because pole height is arranged and the selection of routing path, line of electric force usually shuttles back and forth between the woods or bamboo grove.
Due to Changes in weather, usually because strong wind causes crotch or bamboo branch to be wrapped on line of electric force, on the one hand, in the rainy day easily by crotch or bamboo branch conduction, the pedestrian of road pavement causes potential safety hazard; On the other hand, electric wire can swing along with crotch or bamboo branch, and wind-force is crossed and even caused wire fracture or shaft tower to topple over by force, causes great economic loss to electric power system.
Usually utilize in prior art and manually patrol road to check, corresponding remote mountain village, the manpower and materials expended are comparatively large, are difficult to accomplish real-time early warning.
Summary of the invention
The fundamental purpose of the embodiment of the present invention is to provide a kind of low latitude line of electric force to swing monitoring device, monitors for the real-time swing to low latitude line of electric force.
To achieve these goals, the embodiment of the present invention provides a kind of low latitude line of electric force to swing monitoring device, comprising: extension spring, hanging part, bar linkage structure, potentiometer, power supply, monitoring unit; Wherein,
One end of described extension spring is fixedly connected with electric pole bracing frame;
Described hanging part is fixedly connected with the other end of described extension spring, and is mounted on line of electric force;
One end of described bar linkage structure connects the other end of described extension spring;
Described potentiometer comprises a removable brush, and the resistance value of described potentiometer changes along with the movement of described removable brush;
The other end of described bar linkage structure connects described removable brush;
The two ends of described power supply connect described potentiometer, form primary Ioops with described potentiometer;
Described extension spring stretches by the swing effect of described line of electric force or shrinks generation deformation, drives described removable brush to move while described extension spring produces deformation by described bar linkage structure;
Described monitoring unit comprises AD sample circuit, transmission interface and monitoring processor;
Described AD sample circuit gathers the current signal on described loop and converts thereof into digital signal;
Described transmission interface connects long-distance alarm apparatus;
Described monitoring processor receives described digital signal, and by described transmission interface, described digital signal is sent to described long-distance alarm apparatus.
By means of technique scheme, the present invention utilizes the expansion performance of extension spring to react the swing situation of line of electric force, the flexible situation of extension spring by bar linkage structure transmission to the removable brush of potentiometer, the mechanical shift of removable brush is converted to current signal change by recycling potentiometer, by process such as monitoring current signal, analog to digital conversion, digital signal corresponding for current signal is sent to long-distance alarm apparatus, thus reaches the object that Real-Time Monitoring line of electric force swings situation.Compared to the manual inspection mode adopted at present, the present invention not only makes the process of patrolling and examining efficiently and accurately more, improve the safety and stability of electric system, and structure is simple, easy for installation, saves manpower and materials, especially swing excessively, by situations such as branch windings for strong wind weather low-to-medium altitude line of electric force, early warning timely can be accomplished, effectively avoid this situation to the serious financial consequences of electric power system, improve the service quality of electric system, ensure power supply safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that low latitude provided by the invention line of electric force swings monitoring device structural representation;
Fig. 2 is that the low latitude line of electric force with brush Middle Eocene device provided by the invention swings monitoring device structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of low latitude line of electric force and swing monitoring device, as shown in Figure 1, this device comprises: extension spring 101, hanging part 102, bar linkage structure 103, potentiometer 104, power supply 105, monitoring unit (not shown in figure 1).
One end of extension spring 101 is fixedly connected with electric pole bracing frame;
Hanging part 102 is fixedly connected with the other end of extension spring 101, and is mounted on line of electric force;
One end of bar linkage structure 103 connects the other end of extension spring 101;
Potentiometer 104 comprises a removable brush 106, and the resistance value of potentiometer 104 changes along with the movement of removable brush 106;
The other end of bar linkage structure 103 connects removable brush 106;
The two ends of power supply 105 connect potentiometer 104, form primary Ioops with potentiometer 104;
Extension spring 101 stretches by the swing effect of line of electric force or shrinks generation deformation, drives removable brush 106 to move while extension spring 101 produces deformation by bar linkage structure 103;
Monitoring unit comprises AD sample circuit 107, transmission interface 108 and monitoring processor 109;
AD sample circuit 107 gathers the current signal on loop that power supply 105 and potentiometer 104 form and converts thereof into digital signal;
Transmission interface 108 connects long-distance alarm apparatus;
Monitoring processor 109 receives digital signal, and by transmission interface 108, digital signal is sent to long-distance alarm apparatus.
In device shown in Fig. 1, extension spring 101 connects line of electric force by hanging part 102, when line of electric force pulls swing in external force factor (as strong wind weather), extension spring 101 can stretch along with the swing of line of electric force or shrink, under the gearing of bar linkage structure 103, the removable brush 106 of potentiometer 104 produces mobile, potentiometer 104 is caused to export different resistance characteristics, accordingly, different current signals is had in loop, the swing situation of line of electric force can be known by the change of current signal in monitoring circuit, reach the object that real-time monitoring power electric string pendulum moves situation.
Wherein, long-distance alarm apparatus is the server being arranged in remote monitoring room, the digital signal that the monitoring processor 109 that its reception is positioned at line of electric force scene is sent by transmission interface 108, judge that the corresponding any line of electric force of this digital signal swings situation according to the standard preset, thus determine whether line of electric force swings excessive, if excessively, then can early warning be sent.
In a kind of preferred embodiment, as shown in Figure 2, the potentiometer that low latitude line of electric force swings in monitoring device is brush Middle Eocene device, and this brush Middle Eocene device comprises: rotation axis 201, removable brush 106 and a printed circuit board (PCB) 202.
The other end of bar linkage structure 103 is articulated with rotation axis 201;
One end of removable brush 106 is fixedly connected with rotation axis 201;
Printed circuit board (PCB) 202, in fan-shaped, installed some brush plates 203 along its sector, is equiped with resistive element (not shown in Fig. 2) between adjacent brush plate 203, and adjacent resistance components in series connects;
One end of power supply 105 connects removable brush 106, and the other end is connected to the most previous or the last resistive element in the resistive element be connected in series;
Rotation axis 201 is driven to rotate by bar linkage structure 103 while extension spring 101 produces deformation, and and then drive removable brush 106 to rotate along the sector of printed circuit board (PCB) 202, when removable brush 106 is still on a brush plate 203 and the resistive element conducting of this brush plate 203 side form loop.
In device shown in Fig. 2, extension spring 101 connects line of electric force by hanging part 102, when line of electric force pulls swing in external force factor (as strong wind weather), extension spring 101 can stretch along with the swing of line of electric force or shrink, under the gearing of bar linkage structure 103, removable brush 106 rotates along the sector of brush potentiometer 104, brush potentiometer 104 is caused to export different resistance characteristics, accordingly, have different current signals in loop to produce, the swing situation of line of electric force can be known by the change of current signal in monitoring circuit, reach the object that real-time monitoring power electric string pendulum moves situation.
In a kind of preferred embodiment, a resistive element is installed between two adjacent brush plates 203, adjacent resistance components in series connects, removable brush 106 is in rotary course, often slide over a brush plate 203 namely to make increase in loop or reduce by a resistive element, when removable brush 106 slides over all brush plates 203, when being electrically connected with the last resistive element, resistive element in loop is maximum, resistance value is maximum, when power supply 105 voltage is constant, the current signal now in loop is minimum.
For the ease of judging the amplitude of fluctuation of line of electric force according to current signal (subsequent conversion the becomes digital signal) size in loop, preferably, the amplitude of fluctuation of line of electric force should be made, the flexible amplitude of extension spring 101, the rotational steps of removable brush 106, total resistance value in loop, and the current signal in loop has certain linear relationship, for this reason, the present invention evenly can install brush plate 203 on the sector of printed circuit board (PCB) 202, and make the resistance of each resistive element equal, to make the radian between adjacent brush plate 203 identical, removable brush 106 often slips over all corresponding identical slip amplitude of a brush plate 203, also corresponding identical extension spring 101 is stretched amplitude and line of electric force amplitude of fluctuation, and the resistance change making loop corresponding identical, and then obtain linear current signal change.
In order to avoid this low latitude of the high voltage crosstalk in line of electric force line of electric force swings the work of monitoring device, in a kind of preferred embodiment, the link that hanging part 102 makes for insulating material or hook.
In a kind of preferred embodiment, digital signal based on power-line carrier communication, can be sent to long-distance alarm apparatus by transmission interface 108.
In order to reduce networking and maintenance cost, in another kind of preferred embodiment, transmission interface 108 can be wireless transmission interface 108, by wireless communication technology, digital signal is sent to long-distance alarm apparatus.
Bar linkage structure 103 includes but not limited to that the pole be hinged by two sections as shown in Figure 1 or 2 forms, as long as it can by the flexible amplitude transmission of extension spring 101 to potentiometer 104, removable brush 106 is carried out corresponding mobile, the concrete structure of the present invention to bar linkage structure 103 is not construed as limiting.
The present invention utilizes the expansion performance of extension spring to react the swing situation of line of electric force, the flexible situation of extension spring by bar linkage structure transmission to the removable brush of potentiometer, the mechanical shift of removable brush is converted to current signal change by recycling potentiometer, by process such as monitoring current signal, analog to digital conversion, digital signal corresponding for current signal is sent to long-distance alarm apparatus, thus reaches the object that Real-Time Monitoring line of electric force swings situation.Compared to the manual inspection mode adopted at present, the present invention not only makes the process of patrolling and examining efficiently and accurately more, improve the safety and stability of electric system, and structure is simple, easy for installation, saves manpower and materials, especially swing excessively, by situations such as branch windings for strong wind weather low-to-medium altitude line of electric force, early warning timely can be accomplished, effectively avoid this situation to the serious financial consequences of electric power system, improve the service quality of electric system, ensure power supply safety.
Above specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; these are only specific embodiments of the invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrativelogical block) that the embodiment of the present invention is listed, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the replaceability (interchangeability) of clear displaying hardware and software, above-mentioned various illustrative components (illustrativecomponents), unit and step have universally described their function.Such function is the designing requirement realizing depending on specific application and whole system by hardware or software.Those skilled in the art for often kind of specifically application, can use the function described in the realization of various method, but this realization can should not be understood to the scope exceeding embodiment of the present invention protection.
Various illustrative logical block described in the embodiment of the present invention, or unit, or device can pass through general processor, digital signal processor, special IC (ASIC), field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional processor, controller, microcontroller or state machine.Processor also can be realized by the combination of calculation element, such as digital signal processor and microprocessor, multi-microprocessor, and a Digital Signal Processor Core combined by one or more microprocessor, or other similar configuration any realizes.
The software module that method described in the embodiment of the present invention or the step of algorithm directly can embed hardware, processor performs or the combination of both.Software module can be stored in the storage medium of other arbitrary form in RAM storer, flash memory, ROM storer, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor, with make processor can from storage medium reading information, and write information can be deposited to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and storage medium also can be arranged in the different parts in user terminal.
In one or more exemplary design, the above-mentioned functions described by the embodiment of the present invention can realize in the combination in any of hardware, software, firmware or this three.If realized in software, these functions can store on the medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instruction or code form.Computer readable medium comprises computer storage medium and is convenient to make to allow computer program transfer to the telecommunication media in other place from a place.Storage medium can be that any general or special computer can the useable medium of access.Such as, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other anyly may be used for carrying or store the medium that can be read the program code of form with instruction or data structure and other by general or special computer or general or special processor.In addition, any connection can be properly termed computer readable medium, such as, if software is by a concentric cable, fiber optic cables, twisted-pair feeder, Digital Subscriber Line (DSL) or being also comprised in defined computer readable medium with wireless way for transmittings such as such as infrared, wireless and microwaves from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is usually with magnetic duplication data, and video disc carries out optical reproduction data with laser usually.Above-mentioned combination also can be included in computer readable medium.

Claims (7)

1. low latitude line of electric force swings a monitoring device, it is characterized in that, comprising: extension spring, hanging part, bar linkage structure, potentiometer, power supply, monitoring unit; Wherein,
One end of described extension spring is fixedly connected with electric pole bracing frame;
Described hanging part is fixedly connected with the other end of described extension spring, and is mounted on line of electric force;
One end of described bar linkage structure connects the other end of described extension spring;
Described potentiometer comprises a removable brush, and the resistance value of described potentiometer changes along with the movement of described removable brush;
The other end of described bar linkage structure connects described removable brush;
The two ends of described power supply connect described potentiometer, form primary Ioops with described potentiometer;
Described extension spring stretches by the swing effect of described line of electric force or shrinks generation deformation, drives described removable brush to move while described extension spring produces deformation by described bar linkage structure;
Described monitoring unit comprises AD sample circuit, transmission interface and monitoring processor;
Described AD sample circuit gathers the current signal on described loop and converts thereof into digital signal;
Described transmission interface connects long-distance alarm apparatus;
Described monitoring processor receives described digital signal, and by described transmission interface, described digital signal is sent to described long-distance alarm apparatus.
2. low latitude according to claim 1 line of electric force swings monitoring device, and it is characterized in that, described potentiometer also comprises a rotation axis and a printed circuit board (PCB);
The other end of described bar linkage structure is articulated with described rotation axis;
One end of described removable brush is fixedly connected with described rotation axis;
Described printed circuit board (PCB) is fan-shaped, installs some brush plates along its sector, is equiped with resistive element between adjacent brush plate, and adjacent resistance components in series connects;
One end of described power supply connects described removable brush, and the other end is connected to the most previous or the last resistive element in the resistive element be connected in series;
Described extension spring drives described rotation axis to rotate by described bar linkage structure while producing deformation, and and then drive described removable brush to rotate along the sector of described printed circuit board (PCB), when described removable brush is still on a brush plate and the resistive element conducting of this brush plate side form described loop.
3. low latitude according to claim 2 line of electric force swings monitoring device, and it is characterized in that, described brush plate is evenly installed along the sector of described printed circuit board (PCB), and the resistance of each resistive element is equal.
4. low latitude according to claim 1 line of electric force swings monitoring device, it is characterized in that, described hanging part is link or the hook of insulating material making.
5. low latitude according to claim 1 line of electric force swings monitoring device, and it is characterized in that, described transmission interface connects described long-distance alarm apparatus by wireless communication technology.
6. low latitude according to claim 1 line of electric force swings monitoring device, and it is characterized in that, described transmission interface connects described long-distance alarm apparatus by power-line carrier communication.
7. low latitude according to claim 1 line of electric force swings monitoring device, it is characterized in that, described bar linkage structure is two sections of pole compositions be hinged.
CN201410790724.0A 2014-12-18 2014-12-18 Low-altitude power line swing monitoring device Pending CN104501856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410790724.0A CN104501856A (en) 2014-12-18 2014-12-18 Low-altitude power line swing monitoring device

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Application Number Priority Date Filing Date Title
CN201410790724.0A CN104501856A (en) 2014-12-18 2014-12-18 Low-altitude power line swing monitoring device

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CN104501856A true CN104501856A (en) 2015-04-08

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4225979C2 (en) * 1992-08-06 1996-03-07 Abb Patent Gmbh Detection of cable movements in a high-voltage overhead line
CN101859993A (en) * 2009-04-09 2010-10-13 中国电力科学研究院 Active anti-galloping method and anti-galloping device for overhead power transmission line
CN101944713A (en) * 2010-07-22 2011-01-12 重庆大学 Split conductor anti-galloping device
CN102227073A (en) * 2011-03-01 2011-10-26 东北电力大学 Damping spring vibration-proof hammer
CN202145556U (en) * 2011-02-09 2012-02-15 云南电网公司 Apparatus for preventing power transmission lines from swinging
CN103594996A (en) * 2013-10-10 2014-02-19 国家电网公司 Device for reducing power transmission line galloping and application method thereof
CN204301768U (en) * 2014-12-18 2015-04-29 国家电网公司 A kind of low latitude power line swings monitoring device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4225979C2 (en) * 1992-08-06 1996-03-07 Abb Patent Gmbh Detection of cable movements in a high-voltage overhead line
CN101859993A (en) * 2009-04-09 2010-10-13 中国电力科学研究院 Active anti-galloping method and anti-galloping device for overhead power transmission line
CN101944713A (en) * 2010-07-22 2011-01-12 重庆大学 Split conductor anti-galloping device
CN202145556U (en) * 2011-02-09 2012-02-15 云南电网公司 Apparatus for preventing power transmission lines from swinging
CN102227073A (en) * 2011-03-01 2011-10-26 东北电力大学 Damping spring vibration-proof hammer
CN103594996A (en) * 2013-10-10 2014-02-19 国家电网公司 Device for reducing power transmission line galloping and application method thereof
CN204301768U (en) * 2014-12-18 2015-04-29 国家电网公司 A kind of low latitude power line swings monitoring device

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