CN107152914A - A kind of optical cable distance to the ground detection means and method based on graphical analysis - Google Patents
A kind of optical cable distance to the ground detection means and method based on graphical analysis Download PDFInfo
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- CN107152914A CN107152914A CN201710302089.0A CN201710302089A CN107152914A CN 107152914 A CN107152914 A CN 107152914A CN 201710302089 A CN201710302089 A CN 201710302089A CN 107152914 A CN107152914 A CN 107152914A
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- distance
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- housing
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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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
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
Abstract
The present invention is intended to provide a kind of optical cable distance to the ground detection means and method based on graphical analysis, with when solving that tour personnel makes an inspection tour to optical cable in prior art, it is necessary to which the problem of whether distance on optical cable and ground is less than safe distance rule of thumb judged.Including housing, housing upper end is provided with the attachment means for being used for being connected with messenger wire, housing lower end be provided with to detect distance to the ground apart from detection unit, be provided with housing be used to obtaining distance to the ground and according to distance to the ground judge optical cable distance to the ground whether safety and the electric supply installation that carries out the control unit of early warning and powered for adjust the distance detection unit and control unit, electric supply installation includes the first solar panel and the second solar panel.The invention also discloses the optical cable distance to the ground detection method based on graphical analysis.Its beneficial technique effect is：By detecting optical cable distance to the ground apart from detection unit, judge whether optical cable distance to the ground safety and carries out early warning according to distance to the ground, realize the sagging early warning of optical cable.
Description
Technical field
The present invention relates to optical cable distance to the ground detection field, and in particular to a kind of optical cable distance to the ground based on graphical analysis
Detection means and method.
Background technology
Optical cable is, for a kind of transmission equipment between information communication device in communication system, to enter compared to conventionally employed copper cash
Row transmission has bigger transmission capacity, and repeater span is longer, and current optical cable is risen using more and more extensive in people's daily life
Very important effect.
Technical staff when setting up optical cable, it is necessary to control the distance on optical cable and ground to be not less than the safe distance of setting, this
Sample just can guarantee that the normal operation of optical cable.But, during optical cable day-to-day operation, usually because the factor such as external force destruction is caused
Optical cable it is sagging, when optical cable and ground distance be less than safe distance when, will influence communication system safe and stable operation.Especially
It is, in the cross-domain road of optical cable, if optical cable down hangs, to be less than safe distance with the distance on ground, it will cause safety hidden
Suffer from, it is easy to damaged to vehicular traffic and pedestrian, the interruption of casualty accident or communication network may be caused when serious.
At present, it is that optical cable is maked an inspection tour by tour personnel mostly, judges whether the distance on optical cable and ground is too small, but
This relies primarily on the experience of tour personnel, if tour personnel lacks experience, it is difficult to find that the distance on optical cable and ground is less than peace
Full distance so that such hidden danger can not be found and be eliminated in time, while this mode also increases the workload of personnel, is maked an inspection tour
Time is also longer, therefore needs to design a kind of optical cable distance to the ground detection means and method.
The content of the invention
The present invention is intended to provide a kind of optical cable distance to the ground detection means and method based on graphical analysis, existing to solve
, it is necessary to rule of thumb judge whether the distance on optical cable and ground is less than peace when tour personnel makes an inspection tour to optical cable in technical scheme
The problem of full distance.
In order to realize the purpose, a kind of optical cable distance to the ground detection means based on graphical analysis of the present invention, for setting
Put on the messenger wire of suspension optical cable, including housing, the housing upper end is provided with the attachment means for being used for being connected with messenger wire, housing
End is provided with to detect that being provided with detection unit, housing for distance to the ground is used to obtain distance to the ground and according to distance to the ground
Judge whether optical cable distance to the ground safety and carries out the control unit of early warning and supplied for adjust the distance detection unit and control unit
The electric supply installation of electricity, electric supply installation includes the first solar panel and the second solar panel as reserve battery, institute
State the first solar panel and be arranged on housing upper surface, second solar panel is arranged in housing sidewall.
It is preferred that, the second solar panel upper end is hinged with housing sidewall, under original state, second sun
Energy cell panel is in vertical state and is adjacent to the housing sidewall；Being provided with the housing is used to control the second solar panel
The control device of horizontal direction or vertical direction is turned to, the housing upper surface is provided with the 3rd cavity, and the described 3rd is recessed
The center in bottom of chamber portion is provided with light source sensor, the control device and the first solar panel and light source sensor phase
Even, the control device judges whether to detect the electricity of the first solar panel less than setting value and receives light source sensor
Device detects the signal of sunshine, if it is, the second solar panel of control turns to horizontal direction, if it is not, then control
Make the second solar panel and turn to vertical direction.
It is preferred that, rotating shaft is fixed with second solar panel, the second solar panel passes through the rotating shaft
It is hinged with housing sidewall, the rotating shaft is provided with and first gear, the central shaft of the first gear and the center axle position of rotating shaft
In on same straight line, the housing sidewall is provided with motor, the output shaft of the motor and is fixed with second gear, second tooth
Wheel engaged with first gear, the control device be connected with motor with control the second solar panel turn to horizontal direction or
Vertical direction.
It is preferred that, the 3rd cavity be cylindrical structure, the cylinder it is high in basal diameter.
It is preferred that, the 3rd cavity bottom is provided with osculum.
It is preferred that, it is described to include image range finder, ultrasound apart from sensor and distance processor apart from detection unit,
Described image range finder includes red circular and compares plate, memory module, computing module and shoot face-down camera, described red
Color circle, which compares plate, to be used to be arranged on ground immediately below housing, when housing is installed on optical cable, obtain housing and ground it
Between initial distance and control camera shoot one comprising red circular compare plate ground photograph based on photo, by institute
State initial distance and basic photo is stored in memory module, camera was shot every 10 minutes once comprising ground photograph as right
Stored according to piece, and by contrast photo onto memory module, computing module obtains basic photo and initial distance, identification basis photograph
Red circular in piece compares plate part and calculates the pixel in basic photo shared by red circular comparison plate, computing module
Obtain the red circular comparison plate part in contrast photo, identification contrast photo and calculate red circular in contrast photo and compare plate
Shared pixel, pixel of the computing module according to shared by red circular in initial distance, basic photo compares plate and
When the pixel that red circular is compared shared by plate in contrast photo calculates shooting contrast photo between housing and ground
Distance, the distance processor obtain the distance between housing that image range finder measures and ground as first apart from and obtain
Ultrasound is taken, as second distance, to judge the first distance and second distance apart from the distance between sensor housing and ground
Whether the ratio of difference and the first distance is between -20%~20%, if it is judged that being yes, then with the first distance and second
The average value of distance is as optical cable distance to the ground, if it is judged that it is not then to be used as optical cable distance to the ground using the first distance to be.
It is preferred that, distance processor is connected with exception record module and abnormal alarm module, exception record module memory storage
There are frequency of abnormity value and frequency of abnormity threshold value, distance processor judges the first distance and the difference and the first distance of second distance
Whether ratio is between -20%~20%, if it is judged that not to be, then distance processor controls exception record module internal memory
Contain frequency of abnormity value and plus 1, and judge whether frequency of abnormity value exceedes frequency of abnormity threshold value, if frequency of abnormity value exceedes exception
Frequency threshold value, then control abnormal alarm module to be alarmed.
It is preferred that, the attachment means are hook, and the hook is welded with housing upper end.
In order to realize the purpose, a kind of optical cable distance to the ground detection method based on graphical analysis of the present invention, its feature
It is：
The distance between the housing that measures of image range finder and ground is obtained to be used as the first distance and obtain ultrasound
The distance between range sensor housing and ground judge the first distance and the difference and first of second distance as second distance
Whether the ratio of distance is between -20%~20%, if it is judged that being yes, then being averaged with the first distance and second distance
Value is as the distance to the ground of optical cable 1, if it is judged that it is not then to be used as the distance to the ground of optical cable 1 using the first distance to be.
It is preferred that, include the step of the distance between the housing that image range finder is measured and ground：
Red circular is compared into plate is used to be arranged on the ground immediately below housing；
When housing is installed on optical cable, obtains the initial distance between housing and ground and control camera to shoot one
Photo based on the ground photograph of plate is compared comprising red circular；
Camera is controlled to be shot every 10 minutes once comprising ground photograph photo, and will contrast photo storage as a comparison
Onto memory module；
The red circular obtained in basic photo and initial distance, the basic photo of identification compares plate part and calculates basic photograph
Red circular compares the pixel shared by plate in piece, and computing module obtains the red circle in contrast photo, identification contrast photo
Shape compare plate part simultaneously calculate contrast photo in red circular compare plate shared by pixel, computing module according to initially away from
Red circular in pixel and contrast photo shared by plate, which is compared, from red circular in, basic photo compares picture shared by plate
The distance between housing and ground when vegetarian refreshments calculates shooting contrast photo.
Following advantageous effects can be obtained by implementing the present invention：Measurement device optical cable distance to the ground and according to over the ground
Whether Distance Judgment optical cable distance to the ground safety and carries out early warning, and the distance without tour personnel rule of thumb optical cable and ground is
It is no to be less than safe distance.
Using the first solar panel as main battery, it is powered using the second solar panel as reserve battery,
Prevent the generation of powering-off state.
Brief description of the drawings
Fig. 1 is the front view of one embodiment of the present invention；
Left view when Fig. 2 separates for first spiral arm of one embodiment of the present invention with the second spiral arm；
Left view when Fig. 3 is connected for first spiral arm of one embodiment of the present invention with the second spiral arm；
Fig. 4 is front view of the another embodiment of the present invention when the second solar panel is in vertical state；
Left view when Fig. 5 separates for the first spiral arm of another embodiment of the present invention with the second spiral arm；
Left view when Fig. 6 is connected for the first spiral arm of another embodiment of the present invention with the second spiral arm；
Fig. 7 is front view of the another embodiment of the present invention when the second solar panel is in horizontality；
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to specific embodiment
It is bright：
Embodiment：
As shown in Fig. 1~Fig. 7, the invention provides the optical cable distance to the ground detection means based on image recognition, for setting
Put on the messenger wire 2 of suspension optical cable 1, including housing 3, the upper end of housing 3 is provided with the attachment means 4 for being used for being connected with messenger wire 2, housing
3 lower ends are provided with to detect that being provided with detection unit, housing 3 for distance to the ground is used to obtain distance to the ground and according to over the ground
The distance to the ground of Distance Judgment optical cable 1 whether safety and carry out early warning control unit and for adjust the distance detection unit and control it is single
The electric supply installation of member power supply.
Control unit is compared by distance to the ground with predetermined threshold value, if distance to the ground is less than predetermined threshold value, is carried out pre-
It is alert；Predetermined threshold value is set according to actual requirement, and wherein early warning be able to can also be passed through by buzzer or early-warning lamp early warning
GPRS transmission carries out early warning to remote supervisory and control(ling) equipment.
As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, as a kind of preferred structure of attachment means, attachment means include at least one
Group clamping limb, clamping limb includes the first spiral arm 41, the second spiral arm 42 and the spiral shell for connecting the first spiral arm 41 and the second spiral arm 42
Bolt 43, one end of the first spiral arm 41 rotates with housing 3 and is connected, and the one end of the second spiral arm 42 rotates with housing 3 and is connected, on the first spiral arm 41
Provided with the first messenger wire neck 44 and the first screw 45, the second spiral arm 42 is provided with and corresponding second messenger wire of the first messenger wire neck 44
Neck 46 and with corresponding second screw 47 of the first screw 45, the first spiral arm 41 provided with the first screw 45 position and the second spiral arm
When 42 positions provided with the second screw 47 turn to vertical direction, the center of the central shaft of the first screw 45 and the second screw 47
On the same line, the opening of the first messenger wire neck 44 is towards the second messenger wire neck 46, the opening court of the second messenger wire neck 46 for axle
To the first messenger wire neck 44, the first messenger wire neck 44 and the second messenger wire neck 46 combine to form the hanging hole passed through for messenger wire 2.Use
When, the first spiral arm 41 and the second spiral arm 42 are rotated first, state shown in Fig. 3 is at, and are moved to messenger wire and optical cable is relative
Position at, then rotate the second spiral arm 42 of the first spiral arm 41 and rotation, the first spiral arm 41 be provided with to the position of the first screw 45
Vertical direction is turned to position of second spiral arm 42 provided with the second screw 47, i.e., state shown in Fig. 2 finally, passes through bolt
43 pass through the first screw 45 and the second screw 47, the first spiral arm 41 and the second spiral arm 42 are connected so that the first suspending clip
Messenger wire 2 is stuck in the messenger wire neck 46 of groove 44 and second into the first messenger wire neck 44 and the second messenger wire neck 46 is combined to form in hanging hole,
And then optical cable distance to the ground detection means is hung on wire 2.
As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, in order that the first messenger wire neck 44 and the second messenger wire neck 46 can be by messenger wires
2 clampings, improve in the stability that device is installed on wire, the first messenger wire neck 44 and are provided with convex for the first of clamping messenger wire 2
The second double wedge 461 for clamping messenger wire 2 is provided with tooth 441, the second messenger wire neck 46, it is convex by the first double wedge 441 and second
Tooth 461 realizes the engaged gears to messenger wire 2.
As shown in Fig. 1~Fig. 7, in order to realize that the first spiral arm 41 is connected and with the rotation of housing 3 by simple structure
Two spiral arms 42 are connected with the rotation of housing 3, and the first spiral arm 41 is used for one end for being connected with housing 3 and extends upward through the provided with right and left
First perforation of one spiral arm 41, the second spiral arm 42 is used to one end for being connected with housing 3 and sets right and left extending upward through the second spiral arm 42
The second perforation, the upper end of housing 3 be provided with the first cavity for being used for connecting the first spiral arm 41 and for connecting the second spiral arm 42 the
Two cavitys, one end of the first spiral arm 41 is located in the first cavity, and the one end of the second spiral arm 42 is located in the second cavity, is set in the first cavity
Have in the first cross bar 411 through the first perforation, the second cavity and be provided through biperforate second cross bar 421.First cross bar
411 are fixed in cavity, and the first spiral arm 41 is rotatably connected on the first cross bar 41 by the first perforation, and the second cross bar 421 is fixed
In the second cavity, the second spiral arm 42 is rotatably connected on the second cross bar 421 by the second perforation.
As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, the top of housing 3, the upper end of housing 3 position are being placed in order to which optical cable 1 can be stablized
The optical cable groove 5 set between the first cavity and the second cavity provided with left and right directions, optical cable groove 5 is in the vertical axle center of optical cable 1
Semicircle is in section on face, and the advantage that such structure is also equipped with is：Not only optical cable groove 5, which can hold optical cable 1, prevents it
Double swerve, and optical cable 1 easily can be placed on optical cable groove 5 by staff's optical cable 1, and further, optical cable leads to
Groove 5 and clamping limb coordinate the distance effect between fixed messenger wire 2 and optical cable 1 that also acts as.
As shown in Figure 4 to 7, optical cable 1 is fixed on the device of the present invention, set on the first spiral arm 41 in order to more stable
There is the first oblique clamping bar 412, the first oblique clamping bar 412 is provided with the first arc double wall 413, the second spiral arm 42 away from the one end of the first spiral arm 41
The second oblique clamping bar 422 is provided with, the second oblique clamping bar 422 is provided with the second arc double wall 423, the first rotation away from the one end of the second spiral arm 42
When position and second spiral arm 42 position provided with second screw 47 of the arm 41 provided with the first screw 45 turns to vertical direction, the
One arc double wall 413, the second arc double wall 423 and the formation of optical cable groove 5 one are used to clamp the grasping part of optical cable 1, and clamping is empty
Between it is corresponding with the present situation of optical cable 1.
As another preferred structure of attachment means, attachment means can be hook, and hook is welded with housing upper end.This
The structure of sample is simple in construction, low manufacture cost.
As a kind of preferred structure of electric supply installation, electric supply installation includes the first solar panel, the first solar-electricity
Pond plate is arranged on the upper surface of housing 3.
Because some regional sunlight are less, solar energy is weaker, in order to prevent the first solar panel from powering incessantly, such as
Shown in Fig. 5 and Fig. 6, electric supply installation also includes the second solar panel 6 as reserve battery, the second solar panel 6
It is arranged on the side wall of housing 3, due to the second solar panel 6 and infrequently uses, so the second solar panel 6 is set
The side wall of housing 3 is put, the second solar panel 6 is placed without increasing the upper surface of housing 3 so that device is more compact.
As shown in Figure 5 and Figure 6, after being arranged on due to the second solar panel 6 on the side wall of housing 3, because solar energy
The time for being irradiated to the second solar panel 6 is less, and when noon solar energy is maximum when special, sunshine can not be irradiated to
The angle of second solar panel 6 or sunshine and the second solar panel 6 is close to 180 degree so that the second solar-electricity
The receptible sunshine of pond plate 6 is seldom.
In order to solve the above problems, as shown in Figure 4 to 7, a solution of the present invention is：Second solar panel
6 upper ends and housing 3 are side walls hinged, as shown in figure 4, under original state, the second solar panel 6 is in vertical state and is adjacent to
The control for being used to control the second solar panel 6 to turn to horizontal direction or vertical direction is provided with the side wall of housing 3, housing 3
Device, control device is connected with the first solar panel so that whether the electricity for detecting the second solar panel 6 is less than setting
Value, if less than setting value, controlling the second solar panel 6 to turn to horizontal direction, if being not less than setting value, controlling
Make the second solar panel 6 and turn to vertical direction, setting value can be set to the 15% of the first solar panel total capacity,
Or setting as needed, such technical scheme, only when the second solar panel 6 is not enough, just by the second solar cell
Plate 6 turns to horizontal direction and charged, the space-consuming when unnecessary without aggrandizement apparatus in the horizontal plane.
In order to solve the above problems, as shown in Figure 4 to 7, another scheme of the invention is：Second solar panel 6
Upper end and housing 3 are side walls hinged, as shown in figure 4, under original state, the second solar panel 6 is in vertical state and is adjacent to
The side wall of housing 3；The control for being used to control the second solar panel 6 to turn to horizontal direction or vertical direction is provided with housing 3
Device, the upper surface of housing 3 is provided with light source sensor 32 provided with the 3rd cavity 31, the center of the bottom of the 3rd cavity 31,
Control device is connected with the first solar panel and light source sensor 32, and control device judges whether to detect the first solar energy
The electricity of cell panel is less than setting value and receives the signal that light source sensor 32 detects sunshine, if it is, control the
Two solar panels 6 turn to horizontal direction, if it is not, then the second solar panel 6 of control turns to vertical direction.If
Definite value can be set to the 15% of the first solar panel total capacity, or setting as needed；3rd cavity 31 and light source sensor
The cooperation of device 32 be in order to detect sunshine whether close to noon direct projection, its principle is：When sunshine is too oblique, the 3rd cavity
31 cavity wall has blocked sunshine so that light source sensor 32 can not detect sunshine, i.e., now light source sensor 32 will not
The signal for detecting sunshine is sent to control device；When sun angular reaches certain value, the cavity wall of the 3rd cavity 31 without
Method blocks sunshine so that light source sensor 32 detects sunshine, i.e., now light source sensor 32 sends and detects sunshine
Signal to control device.
A kind of preferred structure being connected as the second solar panel with housing, as shown in Figure 5 and Figure 6, second sun
Rotating shaft 61 can be fixed with cell panel 6, the second solar panel is hinged by rotating shaft 61 and housing sidewall, and rotating shaft 61 is provided with
With first gear 62, the central shaft and the central shaft of rotating shaft 61 of first gear 62 are located along the same line, and housing sidewall is provided with electricity
Second gear 64 is fixed with machine 63, the output shaft of motor 63, second gear 64 is engaged with first gear 62, control device and electricity
Machine 63 is connected to control the second solar panel to turn to horizontal direction or vertical direction.Second is realized by simple structure
Solar panel is hinged with housing sidewall, it is possible to realize that the second solar panel is rotated by controlled motor 63, and first
The number of teeth of gear 62 is 5 times to 10 times of the number of teeth of second gear 64, the tooth form of second gear 64 and the tooth form of first gear 62
It is identical.
As shown in Figure 5 and Figure 6, as the preferred structure of the 3rd cavity 31, the 3rd cavity 31 is cylindrical structure, cylinder
It is high in basal diameter.In order to prevent the ponding of the 3rd cavity 31, the bottom of the 3rd cavity 31 is provided with osculum 33.
As a kind of preferred structure apart from detection unit, detection unit is ultrasound apart from sensor, ultrasound
Range sensor is a kind of distance detector known in the art, and the present invention is no longer described in detail.
As another preferred structure apart from detection unit, as shown in Figure 4 to 7, include image apart from detection unit
Range finder, image range finder includes red circular and compares plate, memory module, computing module and shoot face-down camera 7, red
Color circle, which compares plate, to be used to be arranged on the ground immediately below housing 3, when housing 3 is installed on optical cable 1, obtains housing 3 and ground
Initial distance between face simultaneously controls camera to shoot photo based on a ground photograph for comparing plate comprising red circular,
Initial distance and basic photo are stored in memory module, camera was shot every 10 minutes once comprising ground photograph as right
Stored according to piece, and by contrast photo onto memory module, computing module obtains basic photo and initial distance, identification basis photograph
Red circular in piece compares plate part and calculates the pixel in basic photo shared by red circular comparison plate, computing module
Obtain the red circular comparison plate part in contrast photo, identification contrast photo and calculate red circular in contrast photo and compare plate
Shared pixel, pixel of the computing module according to shared by red circular in initial distance, basic photo compares plate and
When the pixel that red circular is compared shared by plate in contrast photo calculates shooting contrast photo between housing 3 and ground
Distance.The distance between housing 3 and ground can be directly as the distance to the ground of optical cable 1.
The corresponding present invention have also been devised a kind of optical cable distance to the ground detection method based on image recognition, including following step
Suddenly：
Red circular is compared into plate is used to be arranged on the ground immediately below housing 3；
When housing 3 is installed on optical cable 1, obtains the initial distance between housing 3 and ground and control camera to shoot
Photo based on one ground photograph comprising red circular comparison plate；
Camera is controlled to be shot every 10 minutes once comprising ground photograph photo, and will contrast photo storage as a comparison
Onto memory module；
The red circular obtained in basic photo and initial distance, the basic photo of identification compares plate part and calculates basic photograph
Red circular compares the pixel shared by plate in piece, and computing module obtains the red circle in contrast photo, identification contrast photo
Shape compare plate part simultaneously calculate contrast photo in red circular compare plate shared by pixel, computing module according to initially away from
Red circular in pixel and contrast photo shared by plate, which is compared, from red circular in, basic photo compares picture shared by plate
The distance between optical cable and ground when vegetarian refreshments calculates shooting contrast photo.
Red circle in pixel and contrast photo according to shared by red circular in initial distance, basic photo compares plate
Optical cable and the principle on the distance between ground are when the pixel that shape is compared shared by plate calculates shooting contrast photo：Due to
Real area Y and photo that red circular compares plate total pixel Z are fixed, as acquisition initial distance D1, basic photo
Red circular compares the pixel X shared by plate in pixel X, contrast photo shared by middle red circular comparison plate2；First
Can basis
The distance between optical cable and ground D can be calculated by formula equation below2(it is also housing and the tool on ground
Body)：
Formula after simplification is：
In order to improve the measurement accuracy of the distance to the ground of optical cable 1, as shown in Figure 4 to 7, also include ultrasound apart from detection unit
Ripple surveys range sensor, distance processor, and distance processor obtains the distance between the housing 3 that measures of image range finder and ground
Judge as the first distance and acquisition ultrasound apart from the distance between sensor housing 3 and ground as second distance
First distance with the difference of second distance and the ratio of the first distance whether between -20%~20%, if it is judged that being
It is, then using the average value of the first distance and second distance as the distance to the ground of optical cable 1, if it is judged that not to be, then with the
One distance is used as the distance to the ground of optical cable 1.It during in order to have abnormal apart from detection unit, can be connected with different with early warning, distance processor
Normal logging modle and abnormal alarm module, exception record module internal memory are contained at frequency of abnormity value and frequency of abnormity threshold value, distance
Reason device judge the first distance with the difference of second distance and the ratio of the first distance whether between -20%~20%, if sentenced
Disconnected result is is not, then distance processor control exception record module internal memory contains frequency of abnormity value and plus 1, and judges frequency of abnormity
Whether value exceedes frequency of abnormity threshold value, if frequency of abnormity value exceedes frequency of abnormity threshold value, control abnormal alarm module is carried out
Alarm.It can be GPRS module and position module to control abnormal alarm module, by GPRS module by position module and alarm signal
Breath is sent on the mobile device of staff.
The corresponding present invention have also been devised a kind of optical cable distance to the ground detection method based on graphical analysis, including following step
Suddenly：
Distance processor obtain the distance between the housing that measures of image range finder and ground as first apart from and obtain
Ultrasound is taken, as second distance, to judge the first distance and second distance apart from the distance between sensor housing and ground
Whether the ratio of difference and the first distance is between -20%~20%, if it is judged that being yes, then with the first distance and second
The average value of distance is as the distance to the ground of optical cable 1, if it is judged that not to be, then using the first distance as optical cable 1 to distance
From.
The step of wherein obtaining the distance between the housing that measures of image range finder and ground by distance processor includes：
Red circular is compared into plate is used to be arranged on the ground immediately below housing；
When housing is installed on optical cable, obtains the initial distance between housing and ground and control camera to shoot one
Photo based on the ground photograph of plate is compared comprising red circular；
Camera is controlled to be shot every 10 minutes once comprising ground photograph photo, and will contrast photo storage as a comparison
Onto memory module；
The red circular obtained in basic photo and initial distance, the basic photo of identification compares plate part and calculates basic photograph
Red circular compares the pixel shared by plate in piece, and computing module obtains the red circle in contrast photo, identification contrast photo
Shape compare plate part simultaneously calculate contrast photo in red circular compare plate shared by pixel, computing module according to initially away from
Red circular in pixel and contrast photo shared by plate, which is compared, from red circular in, basic photo compares picture shared by plate
The distance between housing and ground when vegetarian refreshments calculates shooting contrast photo.
It is above-mentioned as the case may be, red circular compares plate and can also replaced by the paint that is coated in into toroidal on bottom surface.
The specific embodiment of the present invention is the foregoing is only, but the technical characteristic of the present invention is not limited thereto, Ren Heben
The technical staff in field is in the field of the invention, and the change or modification made all are covered among the scope of the claims of the present invention.
Claims (10)
1. a kind of optical cable distance to the ground detection means based on graphical analysis, the messenger wire for being arranged on suspension optical cable, it is special
Levy and be：Including housing, the housing upper end is provided with the attachment means for being used for being connected with messenger wire, and housing lower end is provided with to detect
Being provided with detection unit, housing for distance to the ground is used to obtain distance to the ground and judge optical cable to distance according to distance to the ground
From whether safety and the electric supply installation that carries out the control unit of early warning and powered for adjust the distance detection unit and control unit, supply
Electric installation includes the first solar panel and the second solar panel as reserve battery, first solar cell
Plate is arranged on housing upper surface, and second solar panel is arranged in housing sidewall.
2. a kind of optical cable distance to the ground detection means based on graphical analysis as claimed in claim 1, it is characterised in that：It is described
Second solar panel upper end is hinged with housing sidewall, under original state, and second solar panel is in vertical shape
State is simultaneously adjacent to the housing sidewall；Being provided with the housing is used to control the second solar panel to turn to horizontal direction or perpendicular
Nogata to control device, the housing upper surface installs provided with the 3rd cavity, the centre bit of the 3rd cavity bottom
There is light source sensor, the control device is connected with the first solar panel and light source sensor, the control device judges
The electricity of the first solar panel whether is detected less than setting value and the letter that light source sensor detects sunshine is received
Number, if it is, the second solar panel of control turns to horizontal direction, if it is not, then the second solar panel of control
Turn to vertical direction.
3. a kind of optical cable distance to the ground detection means based on graphical analysis as claimed in claim 1, it is characterised in that：It is described
Rotating shaft is fixed with second solar panel, the second solar panel is hinged by the rotating shaft and housing sidewall, described
Rotating shaft is provided with and first gear, and the central shaft of the first gear and the central shaft of rotating shaft are located along the same line, the shell
Body sidewall is provided with motor, the output shaft of the motor and is fixed with second gear, and the second gear is engaged with first gear, institute
Control device is stated to be connected to control the second solar panel to turn to horizontal direction or vertical direction with motor.
4. a kind of optical cable distance to the ground detection means based on graphical analysis as claimed in claim 2, it is characterised in that：It is described
3rd cavity be cylindrical structure, the cylinder it is high in basal diameter.
5. a kind of optical cable distance to the ground detection means based on graphical analysis as claimed in claim 2, it is characterised in that：It is described
3rd cavity bottom is provided with osculum.
6. a kind of optical cable distance to the ground detection means based on graphical analysis as claimed in claim 1, it is characterised in that：It is described
Include image range finder, ultrasound apart from sensor and distance processor apart from detection unit, described image range finder includes
Red circular compares plate, memory module, computing module and shoots face-down camera, and the red circular, which compares plate, to be used to set
Put on the ground immediately below housing, when housing is installed on optical cable, obtain the initial distance between housing and ground and control
Camera shoots photo based on a ground photograph that plate is compared comprising red circular, and the initial distance and basis are shone
Piece is stored in memory module, and camera was shot once comprising ground photograph photo as a comparison every 10 minutes, and will to according to
Piece is stored onto memory module, and computing module obtains the red circular ratio in basic photo and initial distance, the basic photo of identification
To plate part and calculate red circular in basic photo and compare pixel shared by plate, computing module obtains contrast photo, known
Red circular that Dui Bi be in photo, which compares plate part and calculates red circular in contrast photo, compares pixel shared by plate,
Red circle in pixel and contrast photo of the computing module according to shared by red circular in initial distance, basic photo compares plate
The distance between housing and ground when the pixel that shape is compared shared by plate calculates shooting contrast photo, the distance processing
Device, which obtains the distance between the housing that measures of image range finder and ground and is used as the first distance and obtains ultrasound distance, to be passed
The distance between sensor housing and ground judge the first distance and the difference and the first distance of second distance as second distance
Ratio whether between -20%~20%, if it is judged that be it is yes, then using the average value of the first distance and second distance as
Optical cable distance to the ground, if it is judged that it is not then to be used as optical cable distance to the ground using the first distance to be.
7. a kind of optical cable distance to the ground detection means based on graphical analysis as claimed in claim 6, it is characterised in that：Distance
Processor is connected with exception record module and abnormal alarm module, and exception record module internal memory contains frequency of abnormity value and abnormal secondary
Number threshold values, distance processor judge the first distance and second distance difference and the first distance ratio whether -20%~
Between 20%, if it is judged that not to be, then distance processor control exception record module internal memory contains frequency of abnormity value and added
1, and judge whether frequency of abnormity value exceedes frequency of abnormity threshold value, if frequency of abnormity value exceedes frequency of abnormity threshold value, control
Abnormal alarm module is alarmed.
8. a kind of optical cable distance to the ground detection means based on graphical analysis as claimed in claim 1, it is characterised in that：It is described
Attachment means are hook, and the hook is welded with housing upper end.
9. a kind of optical cable distance to the ground detection method based on graphical analysis, it is characterised in that contain following steps：
The distance between the housing that measures of image range finder and ground is obtained to be used as the first distance and obtain ultrasound distance
The distance between sensor housing and ground judge the first distance and the difference and the first distance of second distance as second distance
Ratio whether between -20%~20%, if it is judged that being yes, then made with the average value of the first distance and second distance
For the distance to the ground of optical cable 1, if it is judged that not to be then to be used as the distance to the ground of optical cable 1 using the first distance.
10. a kind of optical cable distance to the ground detection method based on graphical analysis as claimed in claim 9, it is characterised in that：Figure
Include as the step of the distance between housing that range finder is measured and ground：
Red circular is compared into plate is used to be arranged on the ground immediately below housing；
When housing is installed on optical cable, obtains the initial distance between housing and ground and control camera shooting one to include
Photo based on the ground photograph of red circular comparison plate；
Control camera to be shot every 10 minutes once comprising ground photograph photo as a comparison, and will the storage of contrast photo to depositing
Store up in module；
The red circular obtained in basic photo and initial distance, the basic photo of identification compares plate part and calculated in basic photo
Red circular compares the pixel shared by plate, and computing module obtains the red circular ratio in contrast photo, identification contrast photo
To plate part and calculate contrast photo in red circular compare plate shared by pixel, computing module is according to initial distance, base
Red circular compares the pixel shared by red circular comparison plate in the pixel and contrast photo shared by plate in plinth photo
The distance between housing and ground when calculating shooting contrast photo.
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