CN106885507A - A kind of transmission line of electricity equivalence ice covering thickness monitoring device and system - Google Patents
A kind of transmission line of electricity equivalence ice covering thickness monitoring device and system Download PDFInfo
- Publication number
- CN106885507A CN106885507A CN201710242568.8A CN201710242568A CN106885507A CN 106885507 A CN106885507 A CN 106885507A CN 201710242568 A CN201710242568 A CN 201710242568A CN 106885507 A CN106885507 A CN 106885507A
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- piston
- covering thickness
- transmission line
- ice covering
- electricity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
Abstract
The invention discloses a kind of transmission line of electricity equivalence ice covering thickness monitoring device and system, monitoring device includes in-site measurement module and the signal processing module being connected with the in-site measurement module.The ice covering thickness of the transmission line of electricity belonging to monitoring device is converted into displacement information by in-site measurement module.Signal processing module is connected with in-site measurement module and constitutes galvanic circle, the displacement information that in-site measurement module is generated is converted into corresponding current signal by the galvanic circle, comprising the ice covering thickness of the transmission line of electricity belonging to monitoring device in current signal, the ice covering thickness of the transmission line of electricity according to belonging to current signal can obtain monitoring device.Monitoring system also includes the icing decision-making module communicated to connect with monitoring device, and the icing decision-making module makes early warning decision according to the ice covering thickness for obtaining, the transmission line of electricity monitored to monitoring system.The present invention can directly, simply, effectively measure the equivalent ice covering thickness in transmission line of electricity and make early warning analysis according to icing situation.
Description
Technical field
The present invention relates to power network prevention technique field category, more particularly to a kind of transmission line of electricity equivalence ice covering thickness monitoring dress
Put and system.
Background technology
In ice and snow weather, transmission line of electricity occurs icing situation, when the icing of circuit runs up to certain volume and weight
After thickness, can cause transmission line wire break wave, shaft tower tilts and collapses, break and the accident such as insulator arc-over, seriously
Have impact on the normal operation of transmission line of electricity.
Existing powerline ice-covering method of data capture includes manual patrol method, image monitoring method, weather monitoring method, title
Weight method, pulling force-tilt-angle method and wire-sag method.Wherein, manual patrol method requirement testing staff's periodical inspection transmission line of electricity bar
The icing situation of tower, because a large amount of electric power line pole towers are erected at the area that personnel are difficult to reach, this method labour intensity is big,
Efficiency is low, subjectivity is strong and the testing result degree of accuracy is low.Image monitoring method is that video-unit is installed in transmission line of electricity, is passed through
Video-unit gathers transmission line of electricity realtime graphic, and the information such as transmission line of electricity equivalence ice covering thickness are obtained by image processing techniques,
Although the method can intuitively monitor powerline ice-covering situation, because video-unit is easily covered by ice and snow under icing weather
Lid, the data for causing image monitoring method to collect are limited.Gas phase monitoring method is by monitoring temperature, wind speed, wind direction and sky
After the meteorologic factors such as air humidity degree, then ice covering thickness is predicted by icing forecast model；Because weather monitoring method is indirect monitoring side
Method, so its accuracy is relatively low.Weight method and pulling force-tilt-angle method are that pulling force sensor is installed in transmission line of electricity, by surveying
The icing weight for measuring is converted into ice covering thickness.Because pulling force sensor is influenceed larger by temperature, humidity, long-term work is in complexity
In environment, the stability and reliability of its measurement are relatively low.Wire-sag method is the mounted angle sensor in transmission line of electricity, prison
Wire inclination angle, the change of sag are surveyed, the parameters such as the icing weight and thickness of wire are calculated by transmission line status equation.By
In obliquity sensor long-term work in highfield and complex environment, the reliability of its measurement data is poor.
In sum, in the prior art, also a kind of simple effective electric power line ice-covering thickness monitoring device and
System realizes the real-time measurement and analysis of electric power line ice-covering thickness.
The content of the invention
A kind of transmission line of electricity equivalence ice covering thickness monitoring device and system are provided in the embodiment of the present invention, it is existing to solve
In technology, electric power line ice-covering thickness is measured and uses indirect measurement method mostly, and the ice covering thickness poor reliability of its measurement,
The low problem of accuracy.
In order to solve the above-mentioned technical problem, the embodiment of the invention discloses following technical scheme：
A kind of transmission line of electricity equivalence ice covering thickness monitoring device, including in-site measurement module and the in-site measurement module
The signal processing module being connected, wherein：
The in-site measurement module includes piston, piston cylinder and backflow cylinder, and the piston includes piston rod and piston support；
During a part for the piston rod is arranged on the piston cylinder, another part sets through the top cover of the piston cylinder
Be arranged in the outside of the piston cylinder, the piston rod one end outside the piston cylinder be provided with icing collecting unit,
The other end is connected with the piston support；
The side wall of the piston support is in contact with the inwall of the piston cylinder；
The multiple conductings being intervally arranged along the glide direction of the piston support are provided with one side wall of the piston cylinder
Nail group, the conducting nail group includes the first conducting nail and the second conducting nail, and the resistance of the adjacent conducting nail group is differed；
The height of the piston support is used for and institute less than or equal to the distance between adjacent conducting nail group in the piston support
The side wall for stating the group contact of conducting nail is conductive material；
The antifreezing liquid of certain volume is provided with the backflow cylinder, it is close that the piston support and the piston cylinder are formed
Envelope space is connected by return port with the backflow cylinder；
The signal processing module is electrically connected with the first conducting nail and the second conducting nail in the conducting nail group respectively, is used
In forming galvanic circle with the conductive side wall in the conducting nail group and the piston support respectively, and gather the galvanic circle
In current signal.
Further, the part being arranged at outside the piston cylinder of the piston rod is arranged with sealing bellows, its
In：
Described bellows one end is combined closely with the outer wall of the piston rod, the bellows other end and the piston cylinder
The outer wall of top cover combine closely.
Further, the piston cylinder and backflow cylinder interior are vacuum environment.
Further, described device also includes solar powered module, wherein：
The solar powered module is electrically connected with the signal processing module.
Further, the signal processing module also includes charge storage unit, wherein：
The charge storage unit is electrically connected with solar powered module and galvanic circle respectively.
Further, the signal processing module also includes signal transmitter unit, wherein：
The signal transmitter unit is sent to for the current signal in the galvanic circle to be converted into electromagnetic wave signal
Echo signal reception device.
Further, the signal processing module also includes analog/digital signal conversion unit, wherein：
The analog/digital signal conversion unit is used to, by the current signal in the galvanic circle, be turned by analog signal
The signal transmitter unit is re-send to after being changed into data signal.
A kind of transmission line of electricity equivalence ice covering thickness monitoring system, the system includes that claim 1-7 is any described defeated
Electric line equivalence ice covering thickness monitoring device, also including the icing decision-making module communicated to connect with the monitoring device, wherein, institute
Icing decision-making module is stated, is used for：
Receive the current signal from the signal processing module in the monitoring device；
According to the current signal, the ice covering thickness in the acquisition monitoring device on icing collecting unit；
According to the ice covering thickness, early warning decision is made to the transmission line of electricity belonging to the monitoring device.
Further, according to the ice covering thickness, early warning decision is made to the transmission line of electricity belonging to the monitoring device, wraps
Include：
Judge the ice covering thickness whether in ice-coating pre-warning threshold range；
If the ice covering thickness is in the ice-coating pre-warning threshold range, the icing decision-making module sends transmission line of electricity
Ice-coating pre-warning signal；
If whether the ice covering thickness judges the ice covering thickness in icing not in the ice-coating pre-warning threshold range
In the range of alarm threshold value；
If the ice covering thickness is in the range of the icing alarm threshold value, the icing decision-making module sends transmission line of electricity
Icing alarm signal.
From above technical scheme, a kind of transmission line of electricity equivalence ice covering thickness monitoring device provided in an embodiment of the present invention
And system, monitoring device include in-site measurement module and signal processing module, in-site measurement module will be defeated belonging to monitoring device
The ice covering thickness of electric line is converted into displacement information.Signal processing module is connected with in-site measurement module and constitutes galvanic circle,
The displacement information that in-site measurement module is generated is converted into corresponding current signal by the galvanic circle, comprising monitoring in current signal
The ice covering thickness of the transmission line of electricity belonging to device, the icing of the transmission line of electricity according to belonging to current signal can obtain monitoring device
Thickness.The embodiment of the present invention comes real by a kind of direct, simple, effective electric power line ice-covering thickness monitoring device and system
The real-time measurement and analysis of existing electric power line ice-covering thickness.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, letter will be made to the accompanying drawing to be used needed for embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that the basic module of the transmission line of electricity equivalence ice covering thickness monitoring system that the embodiment of the present invention one is provided is illustrated
Figure；
Fig. 2 is that the basic structure of the transmission line of electricity equivalence ice covering thickness monitoring device that the embodiment of the present invention one is provided is illustrated
Figure；
Fig. 3 is that the transmission line of electricity equivalence ice covering thickness monitoring device signal processing module that the embodiment of the present invention one is provided is basic
Structural representation；
Fig. 4 is that the basic structure of the transmission line of electricity equivalence ice covering thickness monitoring device that the embodiment of the present invention two is provided is illustrated
Figure；
In Fig. 1-Fig. 4, specific symbol is expressed as：
10- in-site measurement modules, 1- icing collecting units, 12- connectors, 2- piston cylinders, 3- backflow cylinders, 4- pistons, 41-
Piston rod, 42- piston supports, 5- bellowss, 6- top covers, 7- conducting nail groups, the conducting nails of 71- first, the conducting nails of 72- second, 8- is returned
Discharge orifice, 9- solar powered modules, 20- signal processing modules, the wires of 21- first, the wires of 22- second, the conduction terminals of 211- first
Mouth group, the conductings of 2111- first port, the conducting port sets of 221- second, the conductings of 2211- second port, 23- charge storage units, 24- moulds
Plan/data signal converting unit, 25- signal transmitter units, 26- galvanic circles, 30- icing decision-making modules.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, should all belong to guarantor of the present invention
The scope of shield.
It is that the basic module of transmission line of electricity equivalence ice covering thickness monitoring system provided in an embodiment of the present invention shows referring to Fig. 1
It is intended to.A kind of transmission line of electricity equivalence ice covering thickness monitoring system provided in an embodiment of the present invention include in-site measurement module 10 and
In-site measurement module 10 connected signal processing module 20 and icing decision-making module.
Ice covering thickness in the transmission line of electricity that in-site measurement module 10 is monitored monitoring system is converted into displacement information；Letter
Number processing module 20 is connected to form conducting loop, the displacement information that in-site measurement module 10 is generated with in-site measurement module 10
Current signal is converted into, the current signal monitors the ice covering thickness information of transmission line of electricity, signal processing module 20 comprising system
Current signal further can be sent to icing decision-making module 30 in the form of an electromagnetic wave.
Icing decision-making module 30 receives the current signal that signal processing module 20 sends, and is obtained from the current signal for receiving
The ice covering thickness of the transmission line of electricity that the system of getting is monitored；And the environment such as the actual geographic position according to monitored transmission line of electricity because
Element sets ice-coating pre-warning threshold value and icing alarm threshold value；According to the ice covering thickness for obtaining, the power transmission line monitored to monitoring system
Make early warning decision in road：
Whether ice covering thickness is judged in ice-coating pre-warning threshold range, if ice covering thickness is in the ice-coating pre-warning threshold value model
In enclosing, icing decision-making module sends powerline ice-covering early warning signal；If ice covering thickness is not in ice-coating pre-warning threshold range,
Then judge the ice covering thickness whether in the range of icing alarm threshold value, if ice covering thickness is in the range of icing alarm threshold value,
Icing decision-making module sends powerline ice-covering alarm signal.
Embodiment one
It is the basic structure of the transmission line of electricity equivalence ice covering thickness monitoring device that the embodiment of the present invention one is provided referring to Fig. 2
Schematic diagram.It is the transmission line of electricity equivalence ice covering thickness monitoring device signal processing module of the offer of the embodiment of the present invention one referring to Fig. 3
Basic structure schematic diagram.
The electric power line ice-covering thickness monitoring device that the embodiment of the present invention one is provided includes, in-site measurement module 10 and signal
Processing module 20.Referring to Fig. 1, in-site measurement module 10 includes icing collecting unit 1, piston cylinder 2, backflow cylinder 3, piston 4.Its
In, icing collecting unit 1 can be and the power transmission line in transmission line of electricity or transmission tower material identical structure.
Piston 4 is insulating materials, including piston rod 41 and piston support 42.A part for piston rod 41 is arranged on piston cylinder 2
In, another part be arranged on the outside of piston cylinder 2 through the top cover 6 of piston cylinder 2, be arranged in piston rod 41 outside piston cylinder 2
One end be provided with the icing collecting unit 1, other end and be connected with piston support 42.The side wall of piston support 42 and the side wall of piston cylinder 2
It is in contact, under external force, piston support 42 is slided up and down along the inwall of piston cylinder 2.
Icing collecting unit 1 is fixed on one end of piston rod 41 by connector 12, and icing collecting unit 1 can be according to monitoring
The change of the monitoring object of device and change, when the monitoring object of monitoring device is power line conductive, ground wire, icing collection is single
Unit 1 is the wire with the equal model of object to be monitored；When the monitoring object of monitoring device is electric power line pole tower, icing collection
Unit 1 is one section of shaft tower material with the equal material of object to be monitored.So, the mould that icing collecting unit 1 just can be true and reliable
Intend the icing situation of monitoring object.
Piston cylinder 2 is hollow insulation system, and the middle position of its top cover 6 is provided with mounting hole and is available for piston rod 41 to wear
Cross.The part being arranged at outside piston cylinder 2 of piston rod 41 is arranged with sealing bellows 5, the one end of bellows 5 and piston rod 41
Outer wall combine closely, the other end of bellows 5 is completely covered the mounting hole of top cover 6 and is combined closely with the outer wall of top cover 6.This
Sample, top cover 6 and bellows 5 seal piston cylinder 2 so that the influence factor such as outside air, dust can not enter in piston cylinder 2
Portion.
The multiple conducting nail groups being intervally arranged are provided with one of side wall of piston cylinder 2 along the glide direction of piston support
7, conducting nail group 7 penetrates the side wall of piston cylinder 2, can be with the sidewall contact of piston support 42 when piston support 42 is passed through, each conducting
Nail group 7 corresponds to different ice covering thickness.The materials of difference conducting nail groups 7 are different, and its resistance value according to orientation from
It is upper to change successively downwards.Each conducting nail group 7 includes the first conducting nail 71 and the second conducting nail 72, the first conducting nail 71 and the
Two conducting nail 72 identical and first conducting nail 71 and the second conducting nail in same level position, multiple conducting nail group 7
Spacing between 72 is also equal.Meanwhile, the height of piston support 42 is less than or equal to the distance between adjacent conducting nail group 7, piston
The side wall for being used to be contacted with conducting nail group 7 in support 42 is conductive material.
A conducting nail side surface direction adjacent or relative to 7 side is provided with piston cylinder 2 and is provided with backflow cylinder 3,
Backflow cylinder 3 is the hollow insulation system of enclosed type.The antifreezing liquid of certain volume, piston cylinder 2 and backflow cylinder 3 are filled in backflow cylinder 3
The laminating of side wall, the bottom for contacting sides at them is provided with return port 8.The sealing that piston support 42 and piston cylinder 2 are formed is empty
Between by return port 8 with flow back cylinder 3 lead to repeatedly.When liquid level of the liquid level in the cylinder 3 that flows back higher than piston cylinder 2, in backflow cylinder 3
Liquid flows to piston cylinder 2 by return port 8；When piston rod 41 is subject to certain external force to act on, piston rod 41 is with piston support 42
Sink so that the liquid in piston support 42 flows to backflow cylinder 3 by return port 8.
Referring to Fig. 2, signal processing module 20 includes charge storage unit 23, analog/digital signal conversion unit 24 and signal hair
Unit is penetrated, the positive and negative end of charge storage unit 23 is respectively connected to the first wire 21 and the second wire 22.One end of first wire 21
Positive pole with charge storage unit 23 is connected；The other end is provided with the first conducting port set 211, and the first conducting port set 211 is by more
Individual first conducting port 2111 constitutes, and the quantity of the quantity of the first conducting port 2111 and the first conducting nail 71 is equal, and first leads
Go side mouthful 2111 is sequentially connected electrically with the first conducting nail 71.One end of second wire 22 is connected with the negative pole of charge storage unit 23；
The other end is provided with the second conducting port set 221, and the second conducting port set 221 turns on port 2211 and constitutes by multiple second, the
Two conducting ports 2211 quantity and second conducting nail 72 quantity it is equal, second conducting port 2211 and second conducting follow closely 72 according to
Secondary electrical connection.
When occurring icing situation on icing collecting unit 1 or ice covering thickness changes, under the Action of Gravity Field of icing,
Piston support 42 can be slided up and down along the sidewall direction of piston cylinder 2, the side wall of piston support 42 and any conducting nail group 7 in sliding process
During contact, the conducting nail group 7 of the conductive side wall of piston support 42 and the conductive sidewall contact of piston support 42, the first wire 21, second
Wire 22 and charge storage unit 23 will form galvanic circle 26.Because the resistance value of the conducting nail group 7 of diverse location is different, so
Current signal size in its galvanic circle 26 for constituting also is differed.Then, the ice covering thickness information on icing collecting unit 1
The current signal in galvanic circle 26 is translated into.
The input end of analog signal of analog/digital signal conversion unit 24 is electrically connected with galvanic circle 26, analog/digital letter
The digital signal output end of number converting unit 24 is electrically connected with the electric signal input end of signal transmitter unit 25.Analog/digital is believed
Number converting unit 24 receives the analog current signal in galvanic circle 26, and the current signal analog current signal that will be received
Corresponding data signal is converted to, and the data signal is sent to signal transmitter unit 25.Signal transmitter unit 25 will connect
The data signal for receiving is converted to electromagnetic wave signal and is sent to echo signal reception device.After reception device receives signal, just
The ice covering thickness information on icing collecting unit 1 can be obtained.
Solar powered unit 9 is parallel to the two ends of charge storage unit 23, is that galvanic circle 26 provides lasting electric energy.Work as monitoring
When device present position solar energy is sufficient, solar powered unit 9 is converted solar energy into electrical energy, and electricity is provided to galvanic circle
Can, and charged to charge storage unit 23；When monitoring device present position, solar energy is inadequate, and solar powered unit 9 can not be by too
When sun can be converted into electric energy, charge storage unit 23 provides electric energy to galvanic circle.So, solar powered unit 9 is galvanic circle
26 constant conduction provides electric energy guarantee.
Before monitoring device use provided in an embodiment of the present invention：Need toward piston cylinder 2 and flow back cylinder 3 in be put into it is a certain amount of
Antifreezing liquid.And one end of piston rod 41 in piston 4 is passed through the mounting hole of top cover 6；In evacuation piston cylinder 2 and backflow cylinder 3
Air；One end level of piston support 42 in piston 4 is put into piston cylinder 2；Top cover 6 and piston cylinder 2 are tightly connected.According to monitored
The material and dimensions of Object Selection icing collecting unit 1, piston rod is fixed to using connector 12 by icing collecting unit 1
41 top.Now, piston support 42 is floated on the liquid level of piston cylinder 2, and the conductive side of piston support 42 is located in conducting nail group 7
First row turns on the side of nailing on.Bellows 5 is sheathed on the outer wall of piston rod 41, and the mounting hole of top cover 6 is completely covered, bellows
5 dust, moisture that can prevent outside etc. enter in piston cylinder 2, it is ensured that the accuracy of measurement result.Port is turned on by first
2111 and first conducting nail 71 connected with wire successively, the second conducting port 2211 and second turns on nail and 72 is connected with wire successively
Connect so that signal processing module 20 and in-site measurement module 10 are electrically connected.
When monitoring device provided in an embodiment of the present invention is monitored, monitoring device is positioned in transmission line of electricity near monitored
On cross-arm above the electric power line pole tower wire of point, during placement, icing collecting unit 1 is away from ground, piston cylinder 2 and backflow cylinder
3 bottom surface directly contacts with cross arm of tower；And the placement direction of icing collecting unit 1 is identical with the direction of monitored target.
But the embodiment of the present invention is not restricted to this modes of emplacement, it is also possible to install a peace in the bottom of piston cylinder 2 and backflow cylinder 3
, when monitoring object is power line conductive, ground wire, be installed to monitoring device at monitoring location using mounting bracket by dress support
Wire on；When monitoring object is electric power line pole tower, directly mounting bracket is positioned on the shaft tower cross bar of monitoring point.
In monitoring process, when not having icing on icing collecting unit 1, piston support 42 is floated on the liquid level of piston cylinder 2, piston
The conductive side of support 42 is located at the first row conducting side of nailing in conducting nail group 7, and galvanic circle 26 is not turned on.When icing collection
When ice covering thickness on unit 1 increases：Pressure that piston 4 bears increases, piston support 42 along piston cylinder 2 inwall slide downward,
Antifreezing liquid in piston cylinder 2 flows to backflow cylinder 3 by return port 8, until the liquid level of piston cylinder 2 and backflow cylinder 3 keeps balance.
When liquid level keeps balance, the no longer slide downward of piston support 42, now the conductive side wall of piston support 42 and one of which turn on nail group 7
Contact, galvanic circle 26 turns on, and signal processing module 20 obtains current signal, and the current signal includes ice covering thickness letter now
Breath.When the ice covering thickness on icing collecting unit 1 reduces：The pressure that piston 4 bears reduces, and piston support 42 is along piston cylinder 2
Inwall upward sliding, the antifreezing liquid in backflow cylinder 3 flows to piston cylinder 2 by return port 8, until piston cylinder 2 and the cylinder 3 that flows back
Liquid level keeps balance.Liquid level keep balance when, the no longer upward sliding of piston support 42, now the conductive side wall of piston support 42 with wherein
One group of conducting nail group 7 is contacted, and galvanic circle 26 turns on, and signal processing module 20 obtains current signal, and the current signal includes this
When ice covering thickness information.
After signal processing module 20 gets current signal from galvanic circle 26, first pass through simulation data signal conversion
The analog signal of acquisition is converted to corresponding data signal by unit 24, sends data signal by signal transmitter unit 25
Give echo signal reception device.But the embodiment of the present invention is not limited to this mode, signal processing module 20 can be obtained
Analog signal is transmitted directly to echo signal reception device, it is also possible to be directly introduced directly into the current signal in galvanic circle 26
To in reading device, according to the current information for reading, direct access monitors the ice covering thickness information in place.
Icing decision-making module 30 sets ice-coating pre-warning according to environmental factors such as the actual geographic positions of monitored transmission line of electricity
Threshold value and icing alarm threshold value, according to the ice covering thickness information for obtaining, the transmission line of electricity monitored to monitoring system makes early warning
Decision-making.
So, a kind of transmission line of electricity equivalence ice covering thickness monitoring device provided in an embodiment of the present invention, monitoring device includes
In-site measurement module 10 and signal processing module 20, in-site measurement module 10 are thick by the icing of the transmission line of electricity belonging to monitoring device
Degree information is converted into corresponding displacement information.Signal processing module 20 is with in-site measurement module 10 by turning on nail group 7 and first
The conducting conducting of port set 211, second port set 221 is electrically connected.When the ice covering thickness that in-site measurement module 10 is collected becomes
During change, signal processing module 20 constitutes galvanic circle 26 with in-site measurement module 10, and in-site measurement module is given birth in the galvanic circle
Into displacement information be converted into corresponding current signal, the icing comprising the transmission line of electricity belonging to monitoring device in current signal is thick
Degree information, the ice covering thickness of the transmission line of electricity according to belonging to current signal can obtain monitoring device.The embodiment of the present invention passes through
A kind of direct, simple, effective electric power line ice-covering thickness monitoring device and system realize the reality of electric power line ice-covering thickness
When measure and analyze.
Embodiment two
The embodiment of the present invention two differs primarily in that each group in the embodiment of the present invention two turns on nail group with embodiment one
7 resistance value size is identical, the first conducting nail 71 and each not phase of the second conducting nail the distance between 72 in every group of conducting nail group 7
Together, as the position that conducting nail group 7 is located in piston cylinder 2 reduces successively, between its first conducting nail 71 and the second conducting nail 72
Distance increase successively, so correspondence different circuit just can obtain different current signals.The present embodiment is just for embodiment
The part distinguished between two and embodiment one is described, and embodiment two and the identical part of embodiment one here will not be another
One repeats.
It is the transmission line of electricity equivalence ice covering thickness monitoring device of the offer of the embodiment of the present invention two and the base of system referring to Fig. 4
This structural representation.In monitoring process, due between the first conducting nail 71 and the second conducting nail 72 in each conducting nail group 7
Spacing is different, and when piston support 42 is slided up and down along the inwall of piston cylinder 2, the conductive side wall of piston support 42 turns on nail group with each
The resistance formed during 7 contact is different, and when galvanic circle 26 turns on, the current signal size in loop is also differed,
The ice covering thickness information in monitoring place can be obtained by current signal.
The above is only specific embodiment of the invention, is made skilled artisans appreciate that or realizing this hair
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Invention described above implementation method is not intended to limit the scope of the present invention..
Claims (9)
1. a kind of transmission line of electricity equivalence ice covering thickness monitoring device, it is characterised in that including in-site measurement module (10) and described
The signal processing module (20) that in-site measurement module is connected, wherein：
The in-site measurement module (10) includes piston (4), piston cylinder (2) and backflow cylinder (3), and the piston (4) is including piston
Bar (41) and piston support (42)；
During a part for the piston rod (41) is arranged on the piston cylinder (2), another part is through the top of the piston cylinder (2)
Lid (6) is arranged on the outside of the piston cylinder (2), and the outside one end of the piston cylinder (2) is arranged in the piston rod (41)
It is provided with icing collecting unit (1), the other end and is connected with the piston support (42)；
The side wall of the piston support (42) is in contact with the inwall of the piston cylinder (2)；
The multiple being intervally arranged along the glide direction of the piston support (42) is provided with one side wall of the piston cylinder (2) to lead
Logical nail group (7), each conducting nail group (7) includes the first conducting nail (71) and the second conducting nail (72), the adjacent conducting nail
The resistance of group (7) is differed；
The height of the piston support (42) turns on the distance between nail group (7) less than or equal to adjacent, in the piston support (42)
Side wall for being contacted with conducting nail group (7) is conductive material；
The antifreezing liquid of certain volume, the piston support (42) and the piston cylinder (2) institute shape are provided with backflow cylinder (3)
Into sealing space by return port (8) with it is described backflow cylinder (3) be connected；
The signal processing module (20) turns on nail with the first conducting nail (71) and second in conducting nail group (7) respectively
(72) electrically connect, for forming galvanic circle with the conductive side wall in conducting nail group (7) and the piston support (42) respectively
(26) current signal, and in the collection galvanic circle (26).
2. device according to claim 1, it is characterised in that the piston rod (41) is arranged at the piston cylinder (2)
Outside part is arranged with sealing bellows (5), wherein：
Described bellows (5) one end is combined closely with the outer wall of the piston rod (41), bellows (5) other end with it is described
The outer wall of the top cover (6) of piston cylinder (2) is combined closely.
3. device according to claim 1, it is characterised in that be vacuum inside the piston cylinder (2) and backflow cylinder (3)
Environment.
4. device according to claim 1, it is characterised in that described device also includes solar powered module (9), its
In：
The solar powered module (9) electrically connects with the signal processing module (20).
5. device according to claim 4, it is characterised in that the signal processing module (20) also includes charge storage unit
(23), wherein：
The charge storage unit (23) electrically connects with the solar powered module (9) and galvanic circle (26) respectively.
6. device according to claim 5, it is characterised in that it is single that the signal processing module (20) also includes that signal is launched
First (25), wherein：
The signal transmitter unit (25) by the current signal in the galvanic circle (26) for being converted to electromagnetic wave signal hair
Give echo signal reception device.
7. device according to claim 6, it is characterised in that the signal processing module (20) also includes analog/digital
Signal conversion unit (24), wherein：
The analog/digital signal conversion unit (24) by simulation for by the current signal in the galvanic circle (26), being believed
The signal transmitter unit (25) is re-send to after number being changed into data signal.
8. a kind of transmission line of electricity equivalence ice covering thickness monitoring system, it is characterised in that the system includes that claim 1-7 is any
Described transmission line of electricity equivalence ice covering thickness monitoring device, also the icing decision-making module including being communicated to connect with the monitoring device
(30), wherein, the icing decision-making module (30) is used for：
Receive the current signal from the signal processing module (20) in the monitoring device；
According to the current signal, the ice covering thickness in the acquisition monitoring device on icing collecting unit (1)；
According to the ice covering thickness, early warning decision is made to the transmission line of electricity belonging to the monitoring device.
9. system according to claim 8, it is characterised in that according to the ice covering thickness, to belonging to the monitoring device
Transmission line of electricity make early warning decision, including：
Judge the ice covering thickness whether in ice-coating pre-warning threshold range；
If the ice covering thickness is in the ice-coating pre-warning threshold range, the icing decision-making module (30) sends transmission line of electricity
Ice-coating pre-warning signal；
If the ice covering thickness is not in the ice-coating pre-warning threshold range, judge the ice covering thickness whether in icing alarm
In threshold range；
If the ice covering thickness is in the range of the icing alarm threshold value, the icing decision-making module (30) sends transmission line of electricity
Icing alarm signal.
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