A kind of electric force pole tower scarer
The application is a kind of divisional application of application for a patent for invention " electric force pole tower scarer ".
The original bill applying date: 2016-07-21.
Original bill application number: 2016105816532.
A kind of original bill denomination of invention: electric force pole tower scarer.
Technical field
A kind of electric force pole tower scarer of the present invention belongs to electrical equipment technical field.
Background technique
Birds activity can seriously affect the safe operation of power grid.For example, speckling with birds droppings on support line insulator, can reduce
The flashover voltage of insulator increases power grid tripping probability;And birds fly over power circuit in groups and are also possible to will cause grid short circuit,
Cause electric power accident.Current statistical result shows that the line fault due to caused by birds activity is only second to damage to crops caused by thunder and external force is broken
It is bad, occupy the third position of line fault sum.As it can be seen that how bird repellent is the major issue urgently to be resolved of electric system at this stage.
Summary of the invention
In order to realize bird repellent, the present invention devises a kind of electric force pole tower scarer, and the electric force pole tower scarer is not only
The noise of different frequency, the adaptive faculty that interference birds normally rest and influence birds to noise can be generated, and high pressure can be made defeated
Electric wire rocks, and then electric force pole tower is driven to generate micro-vibration, same that birds is interfered to inhabit, and then plays the role of bird repellent.
The object of the present invention is achieved like this:
A kind of electric force pole tower scarer, sets gradually the glue box of circular ring shape and the shell of oval ring from inside to outside;
The glue box are made of insulating material, and inner ring surface is symmetrically arranged with door, are filled with foamed glue inside glue box;It is high
Pressure power transmission line passes through inside glue box, is tightly bonded glue box with high voltage transmission line by foamed glue;
The shell is made of ambroin, is connected between glue box and shell by metal hollow pipe, the metal hollow
Pipe is located at perpendicular in the plane of high voltage transmission line, and the angle between two neighboring metal hollow pipe has two parameters of α and β, β >
α, metal hollow pipe are followed successively by the alternately arranged mode of α and β according to angle and are arranged, and angle is between two metal hollow pipes of β,
It is provided with the shaft that length is l, is provided in the shaft using shaft direction as the magnetic shaft of shaft, the magnetic shaft
Length is that L meets the following conditions:
Wherein, the < pi/2 of β/2+ α/2.
Above-mentioned electric force pole tower scarer, the metal hollow tube outer surface have been connected through a screw thread multiple beckets, gold
Belonging to ring can move along metal hollow pipe direction.
Above-mentioned electric force pole tower scarer, the voltage U, magnetic pole length L and metal hollow pipe duty of high voltage transmission line
Than meeting the following conditions between k:
Wherein, e is natural constant, and the cross section of metal hollow pipe is circular ring shape, and duty ratio k is that the circular ring shape inner circle is straight
The ratio of diameter and outside diameter.
The utility model has the advantages that can generate the characteristic of the toroidal magnetic field of variation according to alternating current, setting can be sent out in toroidal magnetic field
The magnetic shaft of raw deflection, and multiple metal hollow pipes are set, so that magnetic shaft is constantly hit metal hollow pipe tube body, this structure is set
Meter has following three aspects effect: the first, magnetic bar hits metal hollow pipe tube body, can generate the noise harmless to the mankind, and is somebody's turn to do
Noise can interfere with birds and normally rest, and cause birds to be sick of, to play the role of bird repellent;The second, by shelling machine at
Oval ring, so that metal hollow pipe has different length, this makes magnetic shaft hit different length metal hollow Guan Shihui production
The noise of raw different frequency, effectively avoids that different birds are different for bird repellent noise-sensitive frequency, same birds are made an uproar to single
The problem of sound gradually adapts to improves effect on driving birds;Third, magnetic bar, which move and hit metal hollow pipe, can generate vibration, vibration
High voltage transmission line is traveled to by foamed glue and is resonated with its intrinsic frequency, and then electric force pole tower is driven to generate micro-vibration,
Same interference birds inhabit, and cause birds to be sick of, play the role of bird repellent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electric force pole tower scarer of the present invention.
In figure: 1 glue box, 2 shells, 3 metal hollow pipes, 4 shafts, 5 magnetic shafts.
Specific embodiment
The specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Specific embodiment one
The electric force pole tower scarer of the present embodiment, structural schematic diagram is as shown in Figure 1, the dotted portion in Fig. 1 indicates to connect
Connect the foamed glue of high voltage transmission line Yu glue box 1.The electric force pole tower scarer sets gradually 1 He of glue box of circular ring shape from inside to outside
The shell 2 of oval ring;
The glue box 1 are made of insulating material, and inner ring surface is symmetrically arranged with door, are filled with foamed glue inside glue box 1;
High voltage transmission line passes through inside glue box 1, is tightly bonded glue box 1 with high voltage transmission line by foamed glue;
The shell 2 is made of ambroin, is connected between glue box 1 and shell 2 by metal hollow pipe 3, the metal
Hollow pipe 3 is located at perpendicular in the plane of high voltage transmission line, and the angle between two neighboring metal hollow pipe 3 has α and β two ginsengs
Number, β > α, metal hollow pipe 3 are followed successively by the alternately arranged mode of α and β according to angle and are arranged, two metal hollows that angle is β
Between pipe 3, it is provided with the shaft 4 that length is l, is provided in the shaft 4 using 4 direction of shaft as the magnetic shaft 5 of shaft,
The length of the magnetic shaft 5 is that L meets the following conditions:
Wherein, the < pi/2 of β/2+ α/2.
In the present invention, foamed glue is closed in first in glue box 1, after high voltage transmission line is passed through from glue box 1, is opened
Glue box 1, foamed glue will discharge, and electric force pole tower scarer of the present invention is fixed on high voltage transmission line;It should be noted that
Glue box 1 and shell 2 may be designed to the combining form of two symmetrical structures, for realizing high voltage transmission line from glue box 1
It passes through, and the specific design of this structure, there are infinite a variety of possibility, for Machine Design personnel, is all easily achieved, because
This present invention does not protect these concrete structure designs, in the present invention also without illustrating.
It should also be noted that, how the specific connection type between shaft 4 and magnetic shaft 5, magnetic shaft 5 are realized in shaft
It rotates on 4, for Machine Design personnel, is also all easily achieved, therefore the present invention does not set these specific structures equally
Meter is protected, in the present invention also without illustrating.
Specific embodiment two
The electric force pole tower scarer of the present embodiment further limits the metal on the basis of specific embodiment one
3 outer surface of hollow pipe has been connected through a screw thread multiple beckets, and becket can be moved along 3 direction of metal hollow pipe.
Due to high voltage transmission line conveying be 50Hz alternating current, such high frequency, making magnetic shaft 5, frequently strike is arrived
On metal hollow pipe 3,3 rapid fatigue of metal hollow pipe is be easy to cause to fail, reduce effect on driving birds, even lost completely when serious
Bird repellent effect.In response to this problem, the scheme of specific embodiment two is devised, by adjusting becket on metal hollow pipe 3
Position, so that the strike of magnetic shaft 5 on becket, avoids magnetic shaft 5 and metal hollow pipe 3 from directly hitting, if becket is tired
Other beckets, can also be adjusted to the hit position of magnetic shaft 5, increase electric force pole tower scarer of the present invention by labor failure
Service life.
It should be noted that becket can also be designed to replaceable mode by the present invention, the present invention is further increased
The service life of electric force pole tower scarer.How to realize as in structure, for Machine Design personnel, is also all easy to
It realizes, therefore the present invention does not protect concrete structure design equally, also without illustrating.
Specific embodiment three
The electric force pole tower scarer of the present embodiment further limits high voltage power transmission on the basis of specific embodiment one
Between 3 duty ratio k of the voltage U of line, 5 length L of magnetic shaft and metal hollow pipe, meet the following conditions:
Wherein, e is natural constant, and the cross section of metal hollow pipe 3 is circular ring shape, and duty ratio k is the circular ring shape inner circle
The ratio of diameter and outside diameter.
According to electromagnetic principles, alternating current can generate the magnetic field of mechanical periodicity, and magnetic shaft 5 is caused to deflect, and then hit
Metal hollow pipe 3, makes a noise.But the sound under not all frequency can play the role of bird repellent, for example, high voltage power transmission
Line itself can also issue " " sound, but the effect of this sound absolutely not bird repellent.And in the voltage of high voltage transmission line
Between 3 duty ratio k of U, 5 length L of magnetic shaft and metal hollow pipe, when meeting above-mentioned condition, just has the function of bird repellent.For
Verifying above-mentioned condition has uniqueness, has also carried out following experiment:
Experiment one
Prepare electric force pole tower scarer two of the present invention, places in the birdcage of rank at the zoo, and all closed
Sound insulation processing, to avoid the influence of other noises and vibration.The two electric force pole tower scarers, one meets above-mentioned condition,
Another is unsatisfactory for, it is found that meet the scarer of above-mentioned condition, almost without birds activity within the scope of ten meters, without
Meet the scarer of above-mentioned condition, birds activity is normal.The above the results show above-mentioned condition directly affects effect on driving birds.
Experiment two
The coefficient of above-mentioned formula is tested, is taken from 0.2 to 4, step-length 0.2, discovery coefficient has at 2 to 2.8
Except noise and vibration in addition to effect on driving birds, and coefficient be 2.4 when effect it is best, respectively to 2 and 2.8 two centered on 2.4
Direction extends, and effect on driving birds is decayed rapidly.
Experiment three
The voltage U of high voltage transmission line is tested, the length L and high voltage transmission line of magnetic shaft 5 are worked as in test result discovery
Voltage U it is directly proportional when, have universality.
Experiment four
Duty ratio k to metal hollow pipe 3 and the mathematical relationship between the length L of magnetic shaft 5 are tested, including following
Several respects:
It was found that remaining formula all only has bird repellent effect in the magnetic shaft length range of very little other than first formula
Fruit.This explanation, first formula be it is most effective, the scope of application is most wide, i.e. most universality.