CN206960038U - A kind of contact net state determination device - Google Patents

A kind of contact net state determination device Download PDF

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Publication number
CN206960038U
CN206960038U CN201720894641.5U CN201720894641U CN206960038U CN 206960038 U CN206960038 U CN 206960038U CN 201720894641 U CN201720894641 U CN 201720894641U CN 206960038 U CN206960038 U CN 206960038U
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China
Prior art keywords
contact line
contact
compensation
compensation device
line compensation
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胡淼龙
夏煜基
刁心玺
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ZHEJIANG WINS WIRELESS NETWORK TECHNOLOGY Co Ltd
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ZHEJIANG WINS WIRELESS NETWORK TECHNOLOGY Co Ltd
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Abstract

The utility model provides a kind of contact net state determination device, including：Contact line compensation device action message acquisition module, for obtaining contact line compensation device action message, including wired or wireless data transmission interface, the action message includes contact line compensation device compensation wheel spatial positional information, compensation wheel rotation information, compensation rope at least one of mobile message and falling mound positional information；Contact net state determining module, for determining contact net status, including data processing submodule using the contact line compensation device action message；Wherein, the contact line compensation device action message that contact line compensation device action message acquisition module is received is transferred to contact net state determining module by data transmission interface.Can automatic detection have a contact line compensation device failure and contact suspension failure, reduce maintenance cost.

Description

A kind of contact net state determination device
Technical field
It the utility model is related to contact net for power supplying detection field, more particularly to a kind of contact net state determination device.
Background technology
Contact line compensation device is the general name of the compensation mechanism and its brake apparatus that automatically adjust contact line and load rope tensility.
When the temperature is changed, clue is acted upon by temperature changes to expand with heat and contract with cold and elongated or shortened.Due in anchor section two The end line rope place of casting anchor is mounted with compensator, in the presence of its falling mound string gravity, is capable of tension force and the holding of adjust automatically clue Clue sag meets technical requirements, so that the stability of contact suspension is improved with elasticity, improves contact net operation Quality.
Compensator is made up of compensating sheave, compensation rope, bar with ball and eye, plummet rod, falling mound block and union piece.Compensating sheave point For fixed pulley and movable pulley（Construct identical）, fixed pulley change Impact direction, movable pulley can also be laborsaving in addition to Impact direction is changed And shift position.Pulley is typically equipped with bearing.
Repay device and be serially connected in clue both ends and pillar bearing in anchor section, there is different benefits according to the difference of contact suspension type Repay device structure.
Compensator makes the tension force of clue keep balance by the gravity of falling mound string.When the temperature is changed, the flexible of clue makes pendant The rising of stone roller string and drop, when the lifting of falling mound string exceeds allowed band, such as declining excessively makes falling mound string bottom surface contact ground or rising Excessively plummet rod earrings hole is stuck in fixed pulley groove, can all compensator is lost compensating action.Therefore with a, b of compensator Value limits the range of falling mound string.
Skew occurs under the effect of following factors in contact net anchor section：1）The tension imbalance of mid point anchor fixing point both sides Contact suspension is caused to offset；2）Roadbed, which tilts, in anchor section causes contact suspension weight tilt distribution；3）Wind-force or pantograph are rushed Hit.
The skew of contact net contact suspension can produce following harm：The elastic performance of contact suspension is destroyed, is unfavorable at a high speed Flowed；The de- bow of pantograph or drill bow accident are easily caused, because contact suspension skew can cause bracket to offset, causes the drawing of anchor point Go out value（" it " word value）Change；The serious skew of bracket can cause carrier cable inadequate with the distance between ground connection thing and cause and put Electricity, cause the serious contact net accidents such as breaker actuation and the load bitter end broken string of supply side.
Mid point anchor, general arrangement principle is to make the tension force of mid point anchor fixing point both sides clue as far as possible equal, and to the greatest extent may be used Can be in the middle part of anchor section.Under special circumstances, when anchor segment length is shorter, mid point anchor can not be set, it is another by the hard anchor in anchor section one end End line rope installs compensator, and hard anchor now is equivalent to mid point anchor.
In patent application field, for the detection of contact line compensation device, there is following method or apparatus：
Application No. CN201420633599.8, a kind of entitled " contact net clue for falling mound compensation way The device that tension monitoring device " provides is made up of detection part and post processing part, and detection part is acceleration transducer, installation In in contact net falling mound, and acceleration transducer should change direction perpendicular to the upper surface of falling mound；Post processing part is by microprocessor Device, display unit composition, microprocessor are connected with display unit, acceleration transducer respectively.
Application No. CN201621160956.9, entitled " railway contact line tension compensating mechanism monitoring system " are given The device gone out includes shell, and circuit board and power supply are provided with shell, and power supply is connected with circuit board, and power supply is used to supply to circuit board Electricity, foregoing circuit plate are provided with sensor, signal acquisition process module and wireless transport module；Above-mentioned signal acquisition process module Including signal conditioning circuit, analog to digital conversion circuit and MCU module.The beneficial effects of the utility model are：Distance measuring sensor and temperature Spend sensor to transmit by signal conditioning circuit and analog to digital conversion circuit, and then make it that the noise of signal transmission is smaller, and then make The monitoring effect for obtaining tension compensating mechanism is more preferable.
Application No. CN201620828264.0, entitled " contact net anchor section tension state monitoring device " provide Device includes pillar, control box and contact net tension compensator, it is characterised in that：The installation reflection of contact net tension compensator Plate, contact net tension compensator top installation laser probe, laser probe and reflecting plate are correspondingly arranged, and laser probe passes through circuit Control box is connected, control box sets supply unit.
Application No. CN201510001019.2, entitled " high iron catenary clue space geometry state parameter is examined Survey method " discloses one kind and measures contact net clue and emphasis plant machinery geometric parameter numerical value using laser range finder；Point Do not cause clue variable quantity from temperature change, deviation of contact wire with wind speed situation of change, different speed per hour trains by when contact line Friction skew, grasps contact net geometric parameter changing rule under various external conditions；Establish empty under activation polarization control condition The theoretical model of contact net corrosion rate in gas, is studied its durability, forms integrated estimation system；
The shortcomings that prior art is present includes：
Application No. CN201420633599.8, a kind of entitled " contact net clue for falling mound compensation way The method that acceleration transducer is installed in contact net falling mound that tension monitoring device " provides, it is impossible to which identification compensation ratchet is stuck Failure, because compensation ratchet regular event and compensation ratchet are stuck, both of these case falling mound tension force is identical.
Application No. CN201621160956.9, entitled " railway contact line tension compensating mechanism monitoring system " are given The device based on ranging gone out, and Application No. CN201620828264.0, entitled " contact net anchor section tension state The device based on laser ranging that monitoring device " provides, can not be reliable under sand and dust ice and snow or burning sun although simple, intuitive Work, it is impossible to realize round-the-clock reliable detection, also do not possess and judge contact suspension or the function whether anchor section offsets.
Application No. CN201510001019.2, entitled " high iron catenary clue space geometry state parameter is examined The contact net offset detection that survey method " provides, complexity is realized, and due to being detected using optical instrument, do not possess round-the-clock inspection The ability of survey.
The utility model provides a kind of contact net state determination device, for overcome realized existing for prior art it is complicated, Cost is high, power consumption is big and without utilizing at least one in contact line compensation device action message identification contact net state these shortcomings Kind.
The content of the invention
The utility model provides a kind of contact net state determination device, for overcome realized existing for prior art it is complicated, Cost is high, power consumption is big and without utilizing at least one in contact line compensation device action message identification contact net state these shortcomings Kind.Can automatic detection have a contact line compensation device failure and contact suspension failure, reduce maintenance cost.
The utility model provides a kind of contact line compensation device motion detection method, comprises the following steps：
Contact line compensation device action message is gathered, the action message includes contact line compensation device compensation wheel space bit confidence Breath, compensation wheel rotation information, compensation rope at least one of mobile message and falling mound positional information；
The contact line compensation device action message of collection is sent to positioned at network side or casting anchor existing by wireless channel The data processor of field.
The utility model provides a kind of contact net state and determines method, comprises the following steps：
Contact line compensation device action message is obtained, the action message includes contact line compensation device compensation wheel space bit confidence Breath, compensation wheel rotation information, compensation rope at least one of mobile message and falling mound positional information；
Contact net status is determined using the contact line compensation device action message.
The utility model provides a kind of contact net state determination device, includes following module：
Contact line compensation device action message acquisition module, contact net state determining module；Wherein,
Contact line compensation device action message acquisition module, for obtaining contact line compensation device action message, including it is wired or Wireless data transmission interface, the action message includes contact line compensation device compensation wheel spatial positional information, compensation wheel rotates letter Breath, compensation rope at least one of mobile message and falling mound positional information；
Contact net state determining module, for determining shape residing for contact net using the contact line compensation device action message State, including data processing submodule；
Wherein,
The contact line compensation device action message that contact line compensation device action message acquisition module is received passes through data Coffret is transferred to contact net state determining module.
The method and device that the utility model embodiment provides, it can overcome prior art is existing to realize complicated, cost High, power consumption identifies at least one of these shortcomings of contact net state greatly and without using contact line compensation device action message.Can Automatic detection has contact line compensation device failure and contact suspension failure, reduces maintenance cost.
Other features and advantages of the utility model will illustrate in the following description.
Brief description of the drawings
Fig. 1 is a kind of contact line compensation device motion detection method flow chart that the utility model embodiment provides；
Fig. 2 is that a kind of contact net state that the utility model embodiment provides determines method flow diagram；
Fig. 3 is a kind of contact net state determination device composition schematic diagram that the utility model embodiment provides.
Embodiment
The utility model provides a kind of contact net state determination device, for overcome realized existing for prior art it is complicated, Cost is high, power consumption is big and without utilizing at least one in contact line compensation device action message identification contact net state these shortcomings Kind.
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with accompanying drawing to this The embodiment of utility model is described in detail.It should be noted that in the case where not conflicting, embodiment in the application and Feature in embodiment can be mutually combined.
Below in conjunction with the accompanying drawings, a kind of netted compensator motion detection method of contact provided by the utility model is illustrated, connect Net-fault state determines that method citing, device citing are illustrated.
Embodiment one, one kind contact netted compensator motion detection method citing
It is shown in Figure 1, a kind of netted compensator motion detection method embodiment of contact provided by the utility model, including Following steps：
Step S110, gathers contact line compensation device action message, and the action message includes contact line compensation device compensation wheel Spatial positional information, compensation wheel rotation information, compensation rope at least one of mobile message and falling mound positional information；
Step S120, the contact line compensation device action message of collection is sent to positioned at network side by wireless channel Or the data processor at the scene of casting anchor.
In the present embodiment, the compensation wheel of the contact line compensation device includes any of ratchet, pulley and drum；
The compensation wheel is directly connected to by vertically compensation rope and connector with falling mound.
In the present embodiment, the processor positioned at network side includes data processing node, public network in wireless access network In the vehicle-mounted data processing node of interior data processing node, the data processing node in private network or accessible wireless access network It is any；
The data processor positioned at the scene of casting anchor includes the vehicle-mounted data processing node that can access the wireless channel With, can access the wireless channel portable terminal device node and can access the wireless channel personal smart mobile phone in any Kind.
In the present embodiment, contact net status includes the thing of the tension compensating state and contact suspension residing for contact suspension Manage location status；
Wherein, the tension compensating state residing for the contact suspension includes whether contact line compensation device compensation wheel is operating normally At least one of whether it is operating normally state with contact line compensation device falling mound；
Whether the physical location state of the contact suspension breaks including contact net contact line, whether OCS Messenger Wire breaks Open, overhead contact line whether play, contact net anchor section whether offset and contact net mid point anchor whether at least one of failure State.
The method that the present embodiment provides, wherein,
It is described to obtain collection contact line compensation device compensation wheel spatial positional information, including following at least one information：
Obtain the spatial positional information of compensation wheel body；
Obtain the spatial positional information of compensation wheel suspension body.
It is described to obtain collection contact line compensation device compensation wheel rotation information, including obtain compensation wheel body and turn around its rotating shaft Dynamic information.
The spatial positional information of the compensation wheel body includes the shaft core position information or compensation wheel body of compensation wheel body The spatial positional information at edge；
Preferably, the spatial positional information of the compensation wheel body takes turns the shaft core position information of body for compensation.
The rotation information that compensation wheel body is obtained around its rotating shaft, including：
Compensation wheel body is obtained around at least one of the arc length information of its axis of rotation, angle information and number of teeth information.
The spatial positional information of the compensation wheel suspension body includes the obliquity information of compensation wheel suspension body；
Further, the obliquity information for taking turns suspension body using the compensation determines that the space bit confidence of body is taken turns in the compensation Breath.
Specifically, the compensation wheel of the contact line compensation device includes any of ratchet, pulley and drum.
The compensation wheel of contact line compensation device described in the present embodiment, its position in the state of the equilibrium not stretching with compensation rope Contract and change, for fixed pulley, determine ratchet or determine drum.
The fixed pulley, determine ratchet or to determine drum conceptually corresponding with movable pulley, dynamic ratchet or dynamic drum, move and slide The locus of wheel, dynamic ratchet or dynamic drum changes with the flexible of compensation rope.
Specifically, the compensation wheel positional information of the contact line compensation device, the spatial positional information and sky of compensation wheel are included Between at least one of position change information；Both the positional information of compensation wheel in the state of the equilibrium had been included, also including poised state Positional information after change.
Generally, the contact line compensation device compensation wheel position can be influenceed by environmental factor, environmental factor include wind, Pantograph is impacted, and needs to extract or suppress the influence information of environmental factor during compensation wheel positional information is obtained.
In the present embodiment, as fixed pulley, determine ratchet and determine compensation wheel any in drum, in the work of three active forces Position balance state is in lower, these three active forces are respectively：The horizontal drawing of the lower pulling force of falling mound, carrier cable or contact line Power, the pulling force of the oblique direction of anchor post；For compensation wheel in the presence of three active forces, its position is in poised state, place The position of compensation wheel under poised state will not change its equilbrium position because of the flexible of compensation rope.
The factor for making the poised state of the compensation wheel change includes carrier cable broken string, contact line broken string, compensation rope Broken string, anchor post are tilted, the theory of even development is blocked and at least one of blocked with falling mound.
In practice, the poised state for compensating wheel changes and compensates the position balance state of wheel and change, compensation wheel Position balance state change with compensation wheel body center of rotation position change and compensation wheel suspension body inclination angle change Become.
In the present embodiment, the compensation wheel rotation information of the contact line compensation device, including rotational angle information and rotation side To at least one of information.
The compensation wheel of the contact line compensation device expanded with heat and contract with cold in pulling force and the contact line of falling mound caused by relaxation power act on Under rotate, or rotated under relaxation power effect caused by expanding with heat and contract with cold in pulling force and the carrier cable of falling mound, compensate wheel This rotation is the core action that compensator carries out temperature-compensating.
In real system, in addition to the rotation that temperature change causes compensation to be taken turns, contact suspension skew, contact suspension play The anomalous rotation of the compensation wheel of contact line compensation device can all be caused with mid point anchor failure, this anomalous rotation information can be used for sentencing Whether disconnected anchor section offsets, whether play and mid point anchor break down contact suspension.
In the present embodiment, it is described compensation wheel suspension body include compensation wheel body framework, will compensate wheel body framework hang Hang to the bicyclic bar for holding anchor pillar and the frame hanging for taking turns body will be compensated any of to the cable for holding anchor pillar.
Specifically, the compensation rope mobile message is included in the movable length and moving direction of compensation rope along its length At least one information.
The movement of compensation rope along its length is included to occurring just during the tension compensating of contact line or carrier cable It is often mobile；And
It is abnormal mobile when the movement of compensation rope along its length is including occurring broken string state to contact line or carrier cable.
Specifically, the falling mound positional information includes at least one of the vertically movable distance of falling mound and moving direction letter Breath.
The normal movement occurred during the vertically movable tension compensating including to contact line or carrier cable of falling mound；And
Falling mound it is vertically movable including occurring broken string state to contact line or carrier cable when it is abnormal mobile.
The method that the present embodiment provides, wherein,
The collection contact line compensation device compensation wheel spatial positional information, comprises the following steps：
Inclining for compensation wheel suspension body is obtained using the body weight force snesor in compensation wheel suspension or electrolevel Angle information；Or
Compensation wheel suspension body is obtained to the ranging held on anchor pillar using the distance measuring sensor in compensation wheel suspension With reference to the range information between body；Or
Believed using the distance that compensation wheel suspension body or compensation wheel body are obtained installed in the distance measuring sensor held on anchor pillar Breath.
Specifically, the gravity sensor is one kind of acceleration transducer, and the gravity sensor is arranged on the compensation On the suspension body of wheel, whether the inclination angle that wheel suspension body is compensated for detecting changes；If detect detection compensation wheel suspension The change of pitch angle of body is more than predetermined change of pitch angle thresholding, then it is assumed that and the locus for compensating wheel is changed, or, it is believed that The poised state of compensation wheel is changed.
Further, the change of pitch angle direction of compensation wheel suspension body is judged.
Specifically, the distance measuring sensor is arranged on the suspension body of the compensation wheel, or installed in holding on anchor pillar, is used Wheel suspension body is compensated with holding whether the distance of anchor branch intercolumniation changes in detection；If it is pre- to detect that the distance change is more than Fixed distance change thresholding, then it is assumed that the locus for compensating wheel is changed, or, it is believed that compensate the poised state hair of wheel Change is given birth to.
Further, the distance change direction of compensation wheel suspension body is judged.
The method that the present embodiment provides, wherein,
The collection contact line compensation device compensation wheel spatial positional information, further comprises：
It is combined with variation of ambient temperature information, judges the speed of the change of pitch angle of compensation wheel suspension body or judge whether Now abnormal quick change；Or
It is combined with variation of ambient temperature information, the speed or judgement for judging the distance change of compensation wheel suspension body are It is no abnormal quick change occur.
Further, the change of pitch angle of suspension body, change direction are taken turns using compensation and abnormal quick change whether occurs At least one of information, differentiate compensation wheel it is whether stuck, whether falling mound is blocked, whether contact line disconnects and whether carrier cable breaks At least one of open；Or
Using the distance change of compensation wheel suspension body, change direction and whether there is at least one of abnormal quick change Information, differentiate compensation wheel it is whether stuck, whether falling mound is blocked, whether contact line disconnects and carrier cable whether disconnect at least one Kind.
Yet further, the change of pitch angle of suspension body, change direction are taken turns using the compensation positioned at anchor section both ends and is It is no at least one of abnormal quick change information occur, differentiate contact suspension whether play, whether anchor section offsets and central anchor Knot whether at least one of failure；Or
Using the distance change of the compensation wheel suspension body positioned at an anchor section both ends, change direction and whether occur abnormal fast At least one of speed change information, differentiate whether play, anchor section offset and mid point anchor is whether in failure contact suspension At least one.
The method that the present embodiment provides, wherein,
The collection contact line compensation device compensation wheel rotation information, including following at least one step：
At least one in the rotational angle information and rotation direction information of compensation wheel body is obtained using magnetic susceptibility sensor Kind；And
In rotational angle information and rotation direction information that the compensation wheel body with ratchet is obtained using capacitance sensor At least one.
The compensation wheel of the contact line compensation device includes any of ratchet, pulley and drum；
The compensation wheel is directly connected to by vertically compensation rope and connector with falling mound；
The rotation information of the compensation wheel of the contact line compensation device includes compensation wheel body and believed around the angle of its axis of rotation At least one of breath and rotation direction information.
Specifically, the magnetic susceptibility sensor is arranged on compensation wheel frame, is installed magnet on compensation wheel body or is led Magnet；When installing magnet on compensation wheel body, the magnetic field intensity of the magnet is measured using magnetic susceptibility sensor to determine to mend Repay position or the rotational angle of wheel body；When installing magnetic conductor on compensation wheel body, magnetic is measured using magnetic susceptibility sensor Body determines the position of compensation wheel body or rotational angle to the magnetic field intensity of the magnetic conductor.
The magnetic conductor is conducted or assembled to the magnetic field of magnet；
When installing magnetic conductor on compensation wheel body, magnetic susceptibility sensor and magnet are installed on compensation wheel frame.
Further, one or more magnets or magnetic conductor are installed on compensation wheel body, what magnet or magnetic conductor were installed More, the identification to rotational angle is finer；Or one or more magnetic susceptibility sensors and magnet are installed on compensation wheel frame, Magnetic susceptibility sensor and magnet installation it is more, the identification to rotational angle is finer.
Specifically, the capacitance sensor is arranged on compensation wheel frame, between the ratchet gear teeth on compensation wheel body Spacing, second pole of the ratchet gear teeth as capacitance sensor be present；When compensation wheel body rotates, as capacitance sensor second The surface of the ratchet gear teeth of pole and the distance installed in the first interpolar for compensating the capacitance sensor that on wheel frame and position is constant Change, the change of the first and second anode-cathode distances of the capacitance sensor causes capacitance sensor volume change, passes through survey Measure position or rotational angle that appearance capacity sensor change determines compensation wheel body.
In the present embodiment, as position or the angle of rotation that compensation wheel body is determined by measuring appearance capacity sensor change A kind of specific implementation of degree, including：
Resistance-capacitance type is formed using the capacitance sensor（RC）The volume change of oscillator capacitance sensor causes concussion frequency The change of rate, the frequency of oscillation for measuring oscillator judge that rotation or the rotation direction of the ratchet gear teeth on body are taken turns in compensation.
Further, two or more electric capacity are installed in a ratchet gear teeth span on compensation wheel frame Sensor so that the different parts of the same ratchet gear teeth on the corresponding compensation wheel body of different capacitance sensors, by different positions Frequency of oscillation caused by the capacitance sensor put is compared, and determines the change in location, change direction and ratchet wheel of the ratchet gear teeth At least one of profile of tooth.
Specifically, frequency of oscillation is compared caused by the capacitance sensor by diverse location, determines the ratchet gear teeth Change in location, at least one of the profile of change direction and the ratchet gear teeth, including following at least one step：
When frequency of oscillation caused by the capacitance sensor on first position produces higher than the capacitance sensor on the second place Frequency of oscillation when, show that the electric capacity of first interpolar on surface and capacitance sensor of the ratchet gear teeth at first position is small, spine Take turns the gear teeth and be more than the surface at first position in the electric capacity of the surface of the second place and the first interpolar of capacitance sensor, i.e. The ratchet gear teeth are convex to the second place from first position；
When highest occurs in frequency of oscillation caused by the capacitance sensor on first position, show the ratchet gear teeth at first The electric capacity of the surface at the place of putting and the first interpolar of capacitance sensor reaches minimum, and correspondingly, the ratchet gear teeth are at first position Surface is the most recess of the ratchet gear teeth；
When frequency of oscillation caused by the capacitance sensor on first position occurs minimum, show the ratchet gear teeth at first The electric capacity of the surface at the place of putting and the first interpolar of capacitance sensor reaches maximum, and correspondingly, the ratchet gear teeth are at first position Surface is the most convex of the ratchet gear teeth；
When caused by the capacitance sensor in frequency of oscillation caused by the capacitance sensor on first position and the second place Frequency of oscillation raises simultaneously when, show that the oblique surface of the ratchet gear teeth rotates to the direction away from the first and second positions；
When caused by the capacitance sensor in frequency of oscillation caused by the capacitance sensor on first position and the second place Frequency of oscillation reduces simultaneously when, show that the oblique surface of the ratchet gear teeth rotates to close to the direction of the first and second positions；
Using the maximum and minimum value of frequency of oscillation caused by capacitance sensor in the angle of one gear teeth of pawl wheel, And calculated using the slope and tooth pitch of tooth surface in a rotational angle for taking turns the frequency occurred in tooth width and the ratchet gear teeth Between corresponding relation, can determine that ratchet wheel using the corresponding relation and to the measured value of frequency of oscillation caused by capacitance sensor The rotational angle of tooth.
The method that the present embodiment provides, wherein,
The collection compensation rope mobile message, including：
At least one of movable length and the moving direction of compensation rope information is obtained using friction-driven sensor.
Specifically, the friction-driven sensor is using frictional force caused by movement of the compensation rope in its length direction The sensor of operation power is obtained, the friction-driven sensor includes rotary type friction-driven sensor and portable friction is driven Any of dynamic sensor.
During system is realized, the friction pulley that friction-driven sensor includes is squeezed in the surface of compensation rope, it is implemented Mode includes：
The surface that compensation rope is squeezed in using the abrasionproof pulley of carrier cable compensation rope as the friction pulley obtains operation power；
Preferably, i.e., it regard abrasionproof pulley as friction-driven sensor bag again as the antifriction use of carrier cable compensation rope The friction pulley contained uses.
In systems in practice, friction often occurs between the bicyclic bar of contact line and carrier cable compensation rope at compensator, in order to The appearance of the friction is prevented, the method that abrasionproof pulley is filled on carrier cable compensation rope, carrier cable abrasionproof pulley are often taken in scene It is required that clamping stagnation does not occur with bicyclic bar again close proximity to the bicyclic bar of contact line.
In the present embodiment, the length change that compensation rope is obtained using friction-driven sensor, the length of compensation rope is used Degree change determines at least one of rotational angle information and rotation direction information of compensation wheel, or is directly passed using friction-driven The compensation rope length degree change information that sensor obtains uses as compensation wheel rotation information.
In practical application, by the way that the friction pulley of friction-driven sensor is squeezed in into the upper directly acquisition compensation rope of compensation rope Length change；Or
By the length change that the friction pulley of friction-driven sensor is squeezed in the upper indirect gain compensation rope of limitation pipe.
The method that the present embodiment provides, wherein,
The collection falling mound positional information, including：
At least one of displacement and the moving direction of falling mound information is obtained using friction-driven sensor.
Specifically, the friction-driven sensor moves up and down the biography for obtaining operation power using falling mound along limitation pipe Sensor, the friction-driven sensor include any in rotary type friction-driven sensor and portable friction-driven sensor Kind.
It is described to move up and down acquisition operation power along limitation pipe using falling mound, including：
Friction-driven sensor is installed on falling mound anchor ear or on falling mound string, using elastic support member by friction-driven The friction pulley of sensor is squeezed in limitation pipe surface, when falling mound moves up and down along limitation pipe, by limiting pipe surface and friction Frictional force between wheel obtains the operation power required for friction-driven sensor.
In real system, the limitation pipe is made up of a diameter of 40 millimeters of aluminium-alloy pipe, and length is 5.7 meters, and it is acted on It is to prevent falling mound string from invading building line under external force；Falling mound string is connected by falling mound anchor ear with limitation pipe.
The described friction-driven sensor includes friction pulley, and any of rotary encoder and rotation potentiometer.
The method that the present embodiment provides, in addition to operating position demarcation information collecting method, specifically comprise the following steps：
Falling mound is obtained relative to position using laser ranging, acoustic range, photography any of ranging and millimeter wave ranging Put the position of reference-calibrating point.
In the present embodiment, using falling mound relative to the position of position reference point to the compensation wheel using capacitance sensor acquisition The rotational angle of body, the rotational angle of body is taken turns, to being passed using friction-driven to the compensation obtained using magnetic induction sensor Compensation rope amount of movement in its longitudinal direction that sensor obtains and the falling mound to being obtained using friction-driven sensor are vertical At least one of amount of movement demarcated.
Specifically, the location position datum mark is to be relative to the static point position of falling mound, a kind of concrete implementation mode：
Corresponding to non-moving type laser ranging, acoustic range and millimeter wave range finder module, using its installation site as position The point position of reference-calibrating point；Or
Corresponding to mobile laser ranging, acoustic range and millimeter wave range finder module, its ranging target position is made For the point position of location position datum mark.
Further, the laying mode of the non-moving type laser ranging, acoustic range and millimeter wave range finder module, including To hold anchor pillar as supporter laying or the laying by supporter of ground pedestal, under such a laying mode, by falling mound or with falling mound Mobile object is as ranging target；
The laying mode of the mobile laser ranging, acoustic range and millimeter wave range finder module, including with falling mound or pendant It is that supporter is laid to cut or polish jade with an emery wheel anchor ear, under such a laying mode, will be arranged on hold on anchor pillar, falling mound limitation pipe is above or in ground pedestal Object as ranging target.
Specifically, the falling mound relative to position reference point position include falling mound relative to position reference point distance and Any of distance change amount；Generally, distance is obtained by obtaining distance corresponding to different time points or different temperatures value Variable quantity.
In the present embodiment, the benefit obtained using falling mound relative to the position of position reference point to use capacitance sensor Repay the rotational angle of wheel body, the rotational angle of body taken turns to the compensation obtained using magnetic induction sensor, to being driven using friction At least one of the amount of movement of the compensation rope that dynamic sensor obtains in its longitudinal direction is demarcated, including following any step Suddenly：
Determine that the distance of falling mound becomes relative to the distance of position reference point using falling mound corresponding to the first and second time points Change amount；
Using corresponding to the first and second time points by capacitance sensor obtain compensation take turns body angle of rotation angle value and Any of angle of rotation angle value of compensation wheel body that magnetic induction sensor obtains determines the angle variable quantity of respective sensor, Falling mound distance change amount corresponding with the angle variable quantity is determined using the radial dimension of the angle variable quantity and compensation wheel, is compared The distance change amount of falling mound distance change amount corresponding to angle variable quantity and the falling mound actually measured determines the angle of respective sensor Error is spent, and the angular error is compensated；Or
Using the compensation rope obtained corresponding to the first and second time points by friction-driven sensor in its longitudinal direction Amount of movement, compare the amount of movement and the distance change amount of falling mound that actually measures determine the length metering of friction-driven sensor Error, and the length metering error is compensated.
In the present embodiment, the benefit obtained using falling mound relative to the position of position reference point to use capacitance sensor Repay the rotational angle of wheel body, the rotational angle of body taken turns to the compensation obtained using magnetic induction sensor, to being driven using friction At least one of the amount of movement of the compensation rope that dynamic sensor obtains in its longitudinal direction is demarcated, including following any step Suddenly：
Determine that the distance of falling mound becomes relative to the distance of position reference point using falling mound corresponding to the first and second temperature spots Change amount；
Using corresponding to the first and second temperature spots by capacitance sensor obtain compensation take turns body angle of rotation angle value and Any of angle of rotation angle value of compensation wheel body that magnetic induction sensor obtains determines the angle variable quantity of respective sensor, Falling mound distance change amount corresponding with the angle variable quantity is determined using the radial dimension of the angle variable quantity and compensation wheel, is compared The distance change amount of falling mound distance change amount corresponding to angle variable quantity and the falling mound actually measured determines the angle of respective sensor Error is spent, and the angular error is compensated；Or
Using the compensation rope obtained corresponding to the first and second temperature spots by friction-driven sensor in its longitudinal direction Amount of movement, compare the amount of movement and the distance change amount of falling mound that actually measures determine the length metering of friction-driven sensor Error, and the length metering error is compensated.
In the present embodiment, using any of laser ranging, acoustic range and millimeter wave ranging obtain falling mound relative to The position of location position datum mark, further comprises：
Use the positional information of the length of laser ranging acquisition compensation rope or falling mound in optical ranging window；
Magnetic induction sensor, capacitance sensor and friction are driven using the length information of compensation rope or the positional information of falling mound Any measured value is demarcated in dynamic sensor.
The optical measurement window is the time window or environment window that can reliably obtain laser ranging information；Wherein,
The time window includes irradiating without strong sunlight and without the time interval of ice and snow heavy rain, specifically, the time Window is the time interval of post sunset.
The environment window is the meteorological window without burning sun direct irradiation, without snow and ice cover and without heavy rain covering.
Specifically, the determination method of the optical measurement window includes following at least one step：
Using photodetector measuring environment luminous intensity, when ambient light intensity is less than predetermined illumination thresholding, it is determined that place In in optical measurement window；And
Using ultrasonic detector detection snow and ice cover, when occurring in predetermined distance without target clawback, it is determined that place In in optical measurement window.
The method that the present embodiment provides, wherein,
It is described to be sent contact line compensation device action message to the number positioned at network side or the scene of casting anchor by wireless channel According to processor, including following at least one operation：
By using NB-IOT (Narrow Band Internat Of Things) technical specification structure wireless channel, Using LoRa (Long Range) technical specification build wireless channel and use sidelink（LTE Sidelink；LTE: Long Term Evolution）At least one of wireless channel of technical specification structure, will compensation wheel spatial positional information and At least one of contact net status is sent to the data processor positioned at network side or the scene of casting anchor.
Specifically, the nothing built using NB-IOT (Narrow Band Internat Of Things) technical specification Line channel, it is included in mobile operation and runs the NB-IOT channels built and the NB-IOT built in the licensed spectrum of face on frequency spectrum Any of channel.
The wireless channel built using LoRa (Long Range) technical specification, including to vehicle-mounted LoRa from casting anchor Radio node, portable LoRa radio nodes, the personal terminal for supporting LoRa (Long Range) technical specification structure and distal end The wireless channel of any of LoRa radio nodes.
It is described to use sidelink（LTE Sidelink；LTE:Long Term Evolution）Technical specification structure Wireless channel, including to car wireless terminal, portable mobile wireless measuring terminals, support sidelink from casting anchor（LTE Sidelink；LTE:Long Term Evolution）The wireless channel of any of the personal terminal of technical specification.
The data processor is contact suspension status information processor, is showed positioned at anchor section scene, including installed in anchor section , be located across the vehicular platform at anchor section scene or at the portable contact net status information at anchor section scene in device in It is any；And/or
The data processor is contact suspension status information processor, positioned at distal end, including positioned at public network or private network In the computer server or digital signal processing appts being connected.
Embodiment two, one kind contact net state determine that method is illustrated
Shown in Figure 2, a kind of contact net state provided by the utility model determines embodiment of the method, including：
Step S210, obtains contact line compensation device action message, and the action message includes contact line compensation device compensation wheel Spatial positional information, compensation wheel rotation information, compensation rope at least one of mobile message and falling mound positional information；
Step S220, contact net status is determined using the contact line compensation device action message.
Specifically, the acquisition contact line compensation device action message, including：
The radio receiver included using any of portable detection equipment, vehicle-mounted detection device and smart mobile phone The contact line compensation device action message directly sent from the radio transmitter on contact line compensation device or on pillar； Or
The nothing being located on contact line compensation device or on pillar is received by public network or private network using network transport interface The contact line compensation device action message that line electricity emitter is sent；Or
Using USB interface the contact line compensation device action message is received from mobile memory bank.
The method that the present embodiment provides, wherein,
It is described to determine contact net status using the contact line compensation device action message, comprise the following steps：
Contact line compensation device status is determined using contact line compensation device action message；Or
Contact suspension status is determined using contact line compensation device action message.
The method that the present embodiment provides, wherein,
It is described to determine contact line compensation device status, including following operation using contact line compensation device action message：
Operate one, determine contact line compensation device whether in stuck using contact line compensation device compensation wheel spatial positional information State；Specifically include：
Determine whether compensation wheel suspension body locus change occurs using the inclination value or distance value of compensation wheel suspension body, If it is not, then contact line compensation device is judged to be in normal operating conditions, if so, being then judged to contact line compensation device to be in stuck shape State；Or
Operation two, using compensating, wheel rotation information, compensation rope at least one of mobile message and falling mound positional information are true Determine whether contact line compensation device is in stuck state；Specifically include：
Compare in compensation wheel rotational angle, compensation rope movable length and falling mound location variation corresponding to specified temp section Any one priori value and this measured value size, if priori value E dB or big E dB bigger than the measured value with On, then contact line compensation device is judged to be in stuck state；If within priori value E dB bigger than the measured value, or it is described Priori value is smaller than the measured value, then is judged to be not in stuck state by contact line compensation device；Or
Operation three, wheel spatial positional information is compensated using contact line compensation device, and compensation wheel rotation information, compensation rope move Dynamic at least one of information and falling mound positional information determine whether contact line compensation device is in stuck state；Specifically include：
On the premise of locus change occurs in compensation wheel suspension body, compare compensation rotation corresponding to specified temp section The size of the priori value and the measured value of this of any one of dynamic angle, compensation rope movable length and falling mound location variation, If the priori value is bigger EdB than the measured value or big more than EdB, contact line compensation device is judged to be in stuck state；If Within the priori value is bigger EdB than the measured value, or the priori value is smaller than the measured value, then sentences contact line compensation device To be not in stuck state；
Wherein,
It is described to determine whether compensation wheel suspension body locus occurs using the inclination value or distance value of compensation wheel suspension body Change, including：
It is predetermined to judge whether the difference between compensation wheel suspension body current inclination value and its conventional inclination value is more than Inclination angle difference threshold, or judge whether the difference between compensation wheel suspension body current distance value and its conventional distance value is more than Predetermined distance difference thresholding, if it is not, then will compensation wheel suspension body to be judged to locus unchanged, if so, then will compensation wheel suspension Body is judged to locus change.
Specifically, the contact line compensation device compensation wheel spatial positional information includes the space bit confidence of compensation wheel suspension body Breath；
The spatial positional information of the compensation wheel suspension body includes：
The obliquity information or range information of compensation wheel suspension body, wherein,
The range information includes compensation wheel suspension body to the ranging held on anchor pillar with reference to the range information between body.
Specifically, it is described to determine whether compensation wheel suspension body sky occurs using the inclination value or distance value of compensation wheel suspension body Between position change, if it is not, then contact line compensation device is judged to be in normal operating conditions, if so, then sentencing contact line compensation device For in stuck state, including：
Average or the disposal of gentle filter is carried out to the inclination value of two or more compensation wheel suspension bodies of acquisition, made Determine whether compensation wheel suspension body locus change occurs with the data after average or the disposal of gentle filter.
The disposal of gentle filter includes any one of curve fit process and Least Square in Processing processing method.
The inclination value of described two or more than two compensation wheel suspension bodies includes once waking up the inclination angle that post-sampling obtains Value wakes up the inclination value that post-sampling obtains more than twice.
Specifically, it is described occur locus change be equivalent to compensate wheel there is position change.
Specifically, the distance value using compensation wheel suspension body determines whether compensation wheel suspension body locus occurs and change Become, including：
Average or the disposal of gentle filter is carried out to the distance value of two or more compensation wheel suspension bodies of acquisition, made Determine whether compensation wheel suspension body locus change occurs with the data after average or the disposal of gentle filter.
The disposal of gentle filter includes any one of curve fit process and Least Square in Processing processing method.
The distance value of described two or more than two compensation wheel suspension bodies is included in a wakeup process and samples what is obtained Distance value, or the distance value for sampling to obtain in secondary wakeup process, or in the inclination value that wake-up post-sampling obtains more than twice.
Specifically, it is described occur locus change be equivalent to compensate wheel there is position change.
In the present embodiment, contact net is judged to be in abnormal operation, including：
The compensation wheel of contact line compensation device is judged to the falling mound in abnormal operation, contact line compensation device and is in abnormal Position section and contact suspension are in the judgement of at least one of out-of-the way position state.
Specifically, the inclination angle difference threshold is the angle value more than or equal to 2 degree.
Specifically, the distance difference thresholding is the distance value more than or equal to 2 centimetres.
In the present embodiment, E interval is the real number value between 3 to 20, including 3 and 10.
In practical application, a kind of E value is 10 decibels（dB）, specified temp section value is 3 degree, it is assumed that the humidity province Between it is corresponding compensation wheel rotate angle change be 10 degree（Priori value）, compensation rope movable length, which becomes, turns to 20 centimetres（Priori value）, Falling mound change in location is 20 centimetres（Priori value）If it is 0.9 degree that compensation wheel, which rotates angle change, in the specified temp section （Measured value）, compensation rope movable length, which becomes, turns to 1 centimetre（Measured value）, falling mound change in location is 1 centimetre（Measured value）, then accordingly Measured value be less than more than 10 decibels of priori value, then, compensator is judged to stuck；The compensator is stuck including compensation wheel card Dead or falling mound is stuck.
The method that the present embodiment provides, wherein,
It is described to determine contact suspension status using contact line compensation device action message, including the use of same anchor section one The contact line compensation device action message at end determines contact suspension status, specifically comprises the following steps：
Determine that contact suspension is in normal tension compensating coefficient, abnormal tension force using compensation wheel suspension body spatial positional information Any of compensating coefficient and broken string state；Or
Actual measurement variable quantity and elder generation using any one of compensation wheel rotational angle, compensation rope movable length and falling mound position Test temperature and determine that contact suspension is in normal tension compensating coefficient, abnormal tension compensating state, contact suspension play shape to variable quantity Any of state and broken string state.
It is described to use compensation wheel rotational angle, compensation rope any one of movable length and falling mound position in the present embodiment Actual measurement variable quantity and priori temperature to variable quantity determine that contact suspension is in normal tension compensating coefficient, abnormal tension compensating shape Any of state, contact suspension play state and broken string state, including：
Judge actual measurement variable quantity and the elder generation of any one of compensation wheel rotational angle, compensation rope movable length and falling mound position Test temperature to variable quantity whether sizableness, if so, being then judged to contact suspension is in normal tension compensating coefficient, if it is not, then carrying out It is following to judge：
If actual measurement variable quantity is more than or much smaller than priori temperature to variable quantity, and compensates wheel suspension body locus and do not send out Changing, then it is judged to contact suspension and play occurs；
If surveying variable quantity much larger than priori temperature to variable quantity, and compensate wheel suspension body locus and change, Contact suspension is then judged to break；
If surveying variable quantity much smaller than priori temperature to variable quantity, and compensate wheel suspension body locus and change, Then it is judged to that contact line compensation wheel is stuck or compensating weight is stuck.
Judge whether compensation wheel suspension body locus changes, if it is not, being then judged to contact suspension there is play, if if so, Survey variable quantity and be more than priori temperature to variable quantity M decibels（dB）Or M decibels（dB）More than, then by contact line and carrier cable extremely Few one kind is judged to broken string state occur；If surveying variable quantity is less than priori temperature to variable quantity N decibels（dB）Or N decibels（dB）With On, then at least one of contact line and carrier cable are judged to broken string state occur
The actual measurement variable quantity and priori temperature to variable quantity sizableness, including compensation wheel rotational angle, compensation rope movement The actual measurement variable quantity of any one of length and falling mound position is with the difference of priori temperature to variable quantity in-M decibels（dB）To+M points Shellfish（dB）Between；
Specifically, M intervals are the real number between 0 to 3；
Typically, M takes the real number between 0 to 2.
The actual measurement variable quantity is much larger than priori temperature to variable quantity, including compensation wheel rotational angle, compensation rope movable length It is more than+N decibels with priori temperature to the difference of variable quantity with the actual measurement variable quantity of any one of falling mound position（dB）Between；
Specifically, N intervals are the real number more than or equal to M；
Typically, N is the real number of the value between 3 to 20；
Typically, N takes the real number between 3 to 10.
The actual measurement variable quantity is much smaller than priori temperature to variable quantity, including compensation wheel rotational angle, compensation rope movable length It is less than-N decibels with priori temperature to the difference of variable quantity with the actual measurement variable quantity of any one of falling mound position（dB）；
Specifically, N intervals are the real number more than or equal to M；
Typically, N is the real number of the value between 3 to 20；
Typically, N takes the real number between 3 to 10.
It is described to determine that contact suspension is in normal tension compensating coefficient, exception using compensation wheel suspension body spatial positional information Any of tension compensating state and broken string state, including：
Judge whether compensation wheel suspension body locus changes, if it is not, being then judged to contact suspension is in normal tension compensation State, if so, then making the following judgment：
Judge whether compensation wheel suspension body locus abnormal quick change occurs；If it is not, then by contact line compensation device At least one of compensation wheel and falling mound are judged to occur blocking state, if so, then by least one of contact line and carrier cable It is judged to broken string state occur；
It is described to judge whether compensation wheel suspension body locus abnormal quick change occurs, including：
Judge whether the time that compensation wheel suspension body is undergone from conventional angle value to current angle value is approximately equal to In the case that compensation wheel is stuck due to contact line or carrier cable expand with heat and contract with cold cause required for the angle value changes when Between, or judge whether compensation wheel time for being undergone from conventional distance value to current distance value of suspension body is approximately equal to and mending Repay wheel it is stuck in the case of because contact line or expanding with heat and contract with cold for carrier cable cause the time apart from required for value changes, if It is then to be judged to compensation wheel suspension body locus not occur abnormal quick change, if it is not, being then judged to compensation wheel suspension body space bit Put the abnormal quick change of appearance；Or
Judge whether to occur in compensation wheel time for being undergone from conventional angle value to current angle value of suspension body or Whether possibly be present at compensation wheel it is stuck in the case of because expanding with heat and contract with cold for contact line or carrier cable causes the angle value to become Change required for temperature change, or, judge compensation wheel suspension body undergone from conventional distance value to current distance value when Between whether be approximately equal to compensation wheel it is stuck in the case of because contact line or expanding with heat and contract with cold for carrier cable cause the distance value The change required time, if so, being then judged to compensation wheel suspension body locus does not occur abnormal quick change, if it is not, then sentencing There is exception for compensation wheel suspension body locus quickly to change；
Compensation wheel rotation information, compensation rope at least one of mobile message and falling mound positional information.
The method that the present embodiment provides, wherein,
It is described to determine whether contact line compensation device is in stuck shape using contact line compensation device compensation wheel spatial positional information State, further comprise：
It is combined with variation of ambient temperature information, judges the speed of the change of pitch angle of compensation wheel suspension body or judge whether Now abnormal quick change；Or
It is combined with variation of ambient temperature information, the speed or judgement for judging the distance change of compensation wheel suspension body are It is no abnormal quick change occur.
The present embodiment also include judge compensation wheel suspension body undergone from conventional angle value to current angle value when Between whether be approximately equal to compensation wheel it is stuck in the case of because contact line or expanding with heat and contract with cold for carrier cable cause the angle value The method of time required for change, is specifically included：
It is determined that repay wheel suspension body turns to A degree from conventional angle value to the change of current angle value；
The radial dimension for taking turns outstanding body using repaying determines that repaying wheel suspension body angulation change A degree needs transversely to compensate rope place The pulling in direction loosens length D；
Judge that the priori between the length change of temperature in use changing value and carrier cable or contact line determines to produce length D Change need temperature variation；
According to Wakeup interval or the time of angle value is reported to determine angle value occur to become and turn to the time t1 that A degree undergone；
According to the prior information of site environment temperature change, it is determined that at the scene under environment, occur causing carrier cable or contact The time t2 required for temperature variation needed for the length change D of line；
If t1 and t2 error is less than or equal to 2dB, sentences t1 and be approximately equal to t2, if t1 and t2 error is more than 2dB, It is inconsistent to sentence t1 and t2；
When t1 and t2 is inconsistent, angle change caused by sentencing carrier cable or contact line broken string is the different of compensation wheel locus Often quick change.
It is described in corresponding time interval, be included under specific live weather conditions, in wake-up period or a daytime Or one interior round the clock, if the temperature variation for the change needs for producing length D occurs.
Illustrated as one kind, A values are 2 degree, and D values are 10 centimetres.
The present embodiment also include judge compensation wheel suspension body undergone from conventional angle value to current angle value when In whether occur or whether possibly be present at compensation wheel it is stuck in the case of because contact line or expanding with heat and contract with cold for carrier cable are led The method for causing the temperature change required for the angle value changes, is specifically included：
It is determined that repay wheel suspension body turns to A degree from conventional angle value to the change of current angle value；
The radial dimension for taking turns outstanding body using repaying determines that repaying wheel suspension body angulation change A degree needs transversely to compensate rope place The pulling in direction loosens length D；
Judge that the priori between the length change of temperature in use changing value and carrier cable or contact line determines to produce length D Change need temperature variation；
According to Wakeup interval, report in the time of angle value and the prior information of site environment temperature change at least one Kind, it is determined that at the scene under environment, in corresponding time interval, if being likely to occur causes the length of carrier cable or contact line to become Change the temperature change value needed for D, if so, angle change caused by temperature change is then judged to, if it is not, being then judged to carrier cable or contact Angle change caused by line broken string；
Angle change caused by carrier cable or contact line broken string is the quick change of compensation wheel state.
It is described in corresponding time interval, be included under specific live weather conditions, in wake-up period or a daytime Or one interior round the clock, if the temperature variation for the change needs for producing length D occurs.
Illustrated as one kind, A values are 2 degree, and D values are 10 centimetres.
The method that the present embodiment provides, in addition to judge compensation wheel suspension body from conventional distance value to current distance value Whether the time undergone is approximately equal in the case where compensation wheel is stuck because contact line or expanding with heat and contract with cold for carrier cable cause The operation of time required for the angle value changes, is specifically included：
It is determined that repay wheel suspension body turns to D centimetres from conventional distance value to the change of current distance value；
Need the pulling in direction where transversely compensating rope it is determined that repaying wheel suspension body distance and changing D centimetres or loosen length L；
Judge that the priori between the length change of temperature in use changing value and carrier cable or contact line determines to produce length L Change need temperature variation；
According to Wakeup interval or the time determination of angle value is reported to produce the time t1 that length L change is undergone；
According to the prior information of site environment temperature change, it is determined that at the scene under environment, occur causing carrier cable or contact Line produces the time t2 required for the temperature variation needed for length L change；
If t1 and t2 error is less than or equal to 2dB, sentences t1 and be approximately equal to t2, if t1 and t2 error is more than 2dB, It is inconsistent to sentence t1 and t2；
When t1 and t2 is inconsistent, length L change caused by sentencing carrier cable or contact line broken string turns to compensation wheel locus Abnormal quick change.
It is described including to judge in corresponding time interval under specific live weather conditions, in wake-up period or one Daytime or one it is interior round the clock, if the temperature variation for the change needs for producing length L occurs.
Illustrated as one kind, D values are 2 centimetres, and L values are 10 centimetres.
The method that the present embodiment provides, in addition to judge compensation wheel suspension body from conventional distance value to current distance value Whether occur in the time undergone or whether possibly be present at compensation wheel it is stuck in the case of due to contact line or carrier cable Expand with heat and contract with cold the step of causing the temperature change apart from required for value changes, specifically include：
It is determined that repay wheel suspension body turns to D centimetres from conventional distance value to the change of current distance value；
Need the pulling in direction where transversely compensating rope it is determined that repaying wheel suspension body distance and changing D centimetres or loosen length L；
Judge that the priori between the length change of temperature in use changing value and carrier cable or contact line determines to produce pulling Or loosen the temperature variation that length L change needs；
According to Wakeup interval, report in the time of angle value and the prior information of site environment temperature change at least one Kind, it is determined that at the scene under environment, in corresponding time interval, if being likely to occur causes carrier cable or contact line to produce pulling Or the temperature change value needed for loosening length L, if so, distance change caused by temperature change is then judged to, if it is not, being then judged to load Distance change caused by rope or contact line broken string.
Distance change caused by the carrier cable or contact line broken string takes turns the quick change of locus for compensation.
It is described including to judge in corresponding time interval under specific live weather conditions, in wake-up period or one Daytime or one it is interior round the clock, if the temperature variation for the change needs for producing length D occurs.
Illustrated as one kind, D values are 2 centimetres, and L values are 10 centimetres.
In the present embodiment, further comprise using the change of pitch angle of compensation wheel suspension body, change direction and whether occurring different Often at least one of quick change information, differentiate whether compensation wheel is stuck, whether falling mound is blocked, whether contact line disconnects and hold Whether power rope at least one of disconnects；Or
Using the distance change of compensation wheel suspension body, change direction and whether there is at least one of abnormal quick change Information, differentiate compensation wheel it is whether stuck, whether falling mound is blocked, whether contact line disconnects and carrier cable whether disconnect at least one Kind.
The method that the present embodiment provides, wherein,
It is described to determine contact suspension status, including connecing anchor section first end using contact line compensation device action message The actual act section of the contact line compensation device at the actual act section of net-fault compensator and the end of anchor section second compares progress Contact suspension skew identification, specifically includes following at least one step：
Contrast direction of action and the end of anchor section second in the actual act section of the contact line compensation device of anchor section first end Whether the direction of action in the actual act section of contact line compensation device is consistent, occurs if so, being then judged to contactless suspension skew, if It is no, then it has been judged to contact suspension skew and has occurred；And
By the matching error in the actual act section of the contact line compensation device of anchor section first end and its priori action section The actual act section of the contact line compensation device at the end of anchor section second and its priori are acted section by direction as the first direction of error Matching error direction as the second direction of error, following at least one judge：
If the first direction of error is identical with the second direction of error, and the first error amount and the second error amount are all higher than priori mistake Poor thresholding, then it is judged to support bracket skew to occur；
If the first direction of error is identical with the second direction of error, and at least one small in the first error amount and the second error amount In prior uncertainty thresholding, then it is judged to contactless suspension skew and occurs；And
If the first direction of error and the second direction of error on the contrary, if be judged to contact suspension skew occur.
In the present embodiment, the direction of action in the actual act section of the contact line compensation device includes compensation wheel suspension body The direction of change of pitch angle, the rotation direction of compensation wheel rotational angle, compensation rope moving direction along its length, the position of falling mound At least one of change direction.
In the present embodiment, direction of action unanimously includes：
One is side clockwise in the actual rotation direction of the compensation wheel of the contact line compensation device at the end of anchor section first and second To one is counterclockwise；Or
The actual change of pitch angle direction of the compensation wheel suspension body of the contact line compensation device at the end of anchor section first and second is all to incline Angle augment direction, or all reduce direction for inclination angle；Or
The actual moving direction of compensation rope of the contact line compensation device at the end of anchor section first and second is all for backwards to mid point anchor institute In direction, or all it is towards direction where mid point anchor；Or
The actual moving direction of falling mound of the contact line compensation device at the end of anchor section first and second is all upward direction, or all be to Lower direction.
In the present embodiment, direction of action it is inconsistent including：
The actual rotation direction of the compensation wheel of the contact line compensation device at the end of anchor section first and second is all clockwise direction, or All for counterclockwise；Or
One in the actual change of pitch angle direction of the compensation wheel suspension body of the contact line compensation device at the end of anchor section first and second For inclination angle augment direction, another is that inclination angle reduces direction；Or
One is backwards to central anchor in the actual moving direction of compensation rope of the contact line compensation device at the end of anchor section first and second Direction where knot, another is towards direction where mid point anchor；Or
One is upward direction in the actual moving direction of falling mound of the contact line compensation device at the end of anchor section first and second, another Individual is in downward direction.
In the present embodiment, first and second direction of error includes positive error direction and negative sense direction of error respectively；
Positive error direction includes：Along normal compensatory direction of action, the intermediate point in contact line compensation device actual act section Yardstick be more than action section intermediate point yardstick；Or the yardstick of the terminating point in actual act section is more than priori action section Terminating point yardstick；
Negative sense direction of error includes：Along normal compensatory direction of action, the yardstick of intermediate point is less than the intermediate point in action section Yardstick；Or the yardstick of the terminating point in actual act section is less than the yardstick of the terminating point in priori action section.
Specifically, the normal compensatory direction of action is raised and lowered with temperature including contact line compensation device and carried out normal The direction of compensating movement.
Specifically, the positive error direction includes：Along normal compensatory direction of action, contact line compensation device actual act area Between intermediate point yardstick be more than action section intermediate point yardstick；Or the yardstick of the terminating point in actual act section is more than first The yardstick of the terminating point in action section is tested, including：
The median or stop value of the actual rotation angular range of the compensation wheel of contact line compensation device are more than priori angle of rotation Spend the median or stop value of scope；Or
The median or stop value of the actual change of pitch angle scope of the compensation wheel suspension body of contact line compensation device are more than priori The median or stop value of change of pitch angle scope；Or
The median or stop value of the actual moving range of the compensation rope of contact line compensation device are more than priori moving range Median or stop value；Or
The median or stop value of the actual moving range of falling mound of contact line compensation device are more than the centre of priori moving range Value or stop value.
Specifically, the negative sense direction of error includes：Along normal compensatory direction of action, contact line compensation device actual act area Between intermediate point yardstick be less than action section intermediate point yardstick；Or the yardstick of the terminating point in actual act section is less than first The yardstick of the terminating point in action section is tested, including：
The median or stop value of the actual rotation angular range of the compensation wheel of contact line compensation device are less than priori angle of rotation Spend the median or stop value of scope；Or
The median or stop value of the actual change of pitch angle scope of the compensation wheel suspension body of contact line compensation device are less than priori The median or stop value of change of pitch angle scope；Or
The median or stop value of the actual moving range of the compensation rope of contact line compensation device are less than priori moving range Median or stop value；Or
The median or stop value of the actual moving range of falling mound of contact line compensation device are less than the centre of priori moving range Value or stop value.
In the present embodiment, first direction of error is identical with the second direction of error, including the first direction of error and second Direction of error is positively or negatively direction of error.
In the present embodiment, first direction of error and the second direction of error on the contrary, including the first direction of error for forward direction, Second direction of error is negative sense；Or first direction of error be negative sense, the second direction of error is forward direction.
Yet further, the change of pitch angle of suspension body, change direction are taken turns using the compensation positioned at anchor section both ends and is It is no at least one of abnormal quick change information occur, differentiate contact suspension whether play, whether anchor section offsets and central anchor Knot whether at least one of failure；Or
Using the distance change of the compensation wheel suspension body positioned at an anchor section both ends, change direction and whether occur abnormal fast At least one of speed change information, differentiate whether play, anchor section offset and mid point anchor is whether in failure contact suspension At least one.
The method that the present embodiment provides, wherein,
It is described to determine contact suspension status, including the contact by the first anchor section using contact line compensation device action message The actual act section of net compensator compares contact with the actual act section of the contact line compensation device of corresponding anchor section to hang Skew identification is hung, specifically includes following at least one step：
Determine to connect using the average in the actual act section of the contact line compensation device of one or more corresponding anchor section Touch suspension skew decision threshold；
If the actual act section of the contact line compensation device of the first anchor section is more than contact suspension skew decision threshold, it is judged to There is contact suspension skew in first anchor section, otherwise, is judged to the first anchor section and does not occur contact suspension skew；
The corresponding anchor section and the first anchor section are in anchor section span identical or less than the span error threshold of reservation；
The corresponding anchor section and the first anchor section are on the temperature change section of experience identical or less than the temperature error of reservation Thresholding.
In the present embodiment, the span error threshold of the reservation is value of the absolute value span in the range of 0 to 100, The unit of the span error threshold of reservation is rice.
In the present embodiment, the temperature error thresholding of the reservation is value of the absolute value span in the range of 0 to 3, in advance The unit for the temperature error thresholding ordered is degrees Fahrenheit.
In the present embodiment, the actual act area of the contact line compensation device using one or more corresponding anchor section Between average determine contact suspension offset decision threshold, including：
Use the average of the correspondingly yardstick of the intermediate point in the actual act section of the contact line compensation device of anchor section or terminating point Decision threshold is offset as contact suspension, using corresponding yardstick in the actual act section of the first contact line compensation device with contacting Suspension skew decision threshold is compared；Or
Use the average of the correspondingly yardstick of the intermediate point in the actual act section of the contact line compensation device of anchor section or terminating point Weighted value as contact suspension offset decision threshold, use corresponding chi in the actual act section of the first contact line compensation device Compared with degree offsets decision threshold with contact suspension；Or
Use the average of the correspondingly yardstick of the intermediate point in the actual act section of the contact line compensation device of anchor section or terminating point Decision threshold is offset as contact suspension to derived variance, using corresponding in the actual act section of the first contact line compensation device Yardstick and contact suspension offset decision threshold compared with；Or
Use the average of the correspondingly yardstick of the intermediate point in the actual act section of the contact line compensation device of anchor section or terminating point The weighted value of derived variance offsets decision threshold as contact suspension, uses the actual act section of the first contact line compensation device In corresponding yardstick compared with contact suspension skew decision threshold.
The contact net status information processor be located at contact net scene, including installed in anchor section scene, be located across anchor The vehicular platform at section scene or at the portable contact net status information at anchor section scene any of in device；
The contact net status information processor takes positioned at distal end, including positioned at the computer being connected with public network or private network It is engaged in device or digital signal processing appts.
The method that the present embodiment provides, in addition to the prior information of contact line compensation device operating position determine method, specifically Comprise the following steps：
Use the contact line compensation device operating position and its corresponding scene for actually measuring to obtain in very first time section Ambient temperature information builds temperature-operating position relation curve or temperature-operating position relation table；
What the prior information of the contact line compensation device operating position included obtaining by actual measurement becomes with specified temp Change compensation corresponding to section and take turns the change of pitch angle scope of suspension body, the change of pitch angle direction of compensation wheel suspension body, compensation wheel rotation Angular range, compensation wheel rotate direction, compensation rope movable length along its length, the movement of compensation rope along its length At least one of the change in location direction in direction, the change in location scope of falling mound and falling mound.
Further, temperature in use-operating position relation curve or temperature-operating position relation table determine contact line compensation Device operating position corresponding with specified temp constant interval in the second time interval.
Specifically, second time interval and very first time section are equal duration or the section of duration such as not, first Before time interval appears in one day of the second time interval, before January, or before 1 year, also, the second time interval with The very first time, section included the identical or temperature range that differs.
In the present embodiment, the structure temperature-operating position relation curve or temperature-operating position relation table, including make With the contact line compensation device for actually measuring to obtain in the either method processing very first time section in interpolation, extrapolation and smothing filtering Operating position information and its corresponding site environment temperature information.
Specifically, a kind of specific real of contact line compensation device action message is handled as using interpolation or filtering method Existing mode, it is corresponding to one group of temperature spot including the use of any one of curve fit process and Least Square in Processing processing method Contact line compensation device operating position information handled；
Wherein, one group of temperature spot includes two N number of temperature spots of value, and N is the natural number more than 2.
Embodiment three, a kind of contact net state determination device citing
It is shown in Figure 3, a kind of contact net state determination device embodiment provided by the utility model, including：
Contact line compensation device action message acquisition module 310, contact net state determining module 320；Wherein,
Contact line compensation device action message acquisition module 310, for obtaining contact line compensation device action message, including it is wired Or wireless data transmission interface, the action message includes contact line compensation device compensation wheel spatial positional information, compensation wheel rotates Information, compensation rope at least one of mobile message and falling mound positional information；
Contact net state determining module 320, for being determined using the contact line compensation device action message residing for contact net State, including data processing submodule；
Wherein,
The contact line compensation device action message that contact line compensation device action message acquisition module 310 is received passes through number Contact net state determining module 320 is transferred to according to coffret.
Specifically, the acquisition contact line compensation device action message, including：
The radio receiver included using any of portable detection equipment, vehicle-mounted detection device and smart mobile phone The contact line compensation device action message directly sent from the radio transmitter on contact line compensation device or on pillar； Or
The nothing being located on contact line compensation device or on pillar is received by public network or private network using network transport interface The contact line compensation device action message that line electricity emitter is sent；Or
Using USB interface the contact line compensation device action message is received from mobile memory bank.
The device that the present embodiment provides, wherein,
Contact net state determining module 320, perform and determined using the contact line compensation device action message residing for contact net The operation of state, including following operating procedure：
Contact line compensation device status is determined using contact line compensation device action message；Or
Contact suspension status is determined using contact line compensation device action message.
The device that the present embodiment provides, wherein,
What contact net state determining module 320 performed determines contact line compensation device institute using contact line compensation device action message The operation of place's state, including following operating procedure：
Operate one, determine contact line compensation device whether in stuck using contact line compensation device compensation wheel spatial positional information State；Specifically include：
Determine whether compensation wheel suspension body locus change occurs using the inclination value or distance value of compensation wheel suspension body, If it is not, then contact line compensation device is judged to be in normal operating conditions, if so, being then judged to contact line compensation device to be in stuck shape State；Or
Operation two, using compensating, wheel rotation information, compensation rope at least one of mobile message and falling mound positional information are true Determine whether contact line compensation device is in stuck state；Specifically include：
Compare in compensation wheel rotational angle, compensation rope movable length and falling mound location variation corresponding to specified temp section Any one priori value and this measured value size, if priori value E dB or big E dB bigger than the measured value with On, then contact line compensation device is judged to be in stuck state；If within priori value E dB bigger than the measured value, or it is described Priori value is smaller than the measured value, then is judged to be not in stuck state by contact line compensation device；Or
Operation three, wheel spatial positional information is compensated using contact line compensation device, and compensation wheel rotation information, compensation rope move Dynamic at least one of information and falling mound positional information determine whether contact line compensation device is in stuck state；Specifically include：
On the premise of locus change occurs in compensation wheel suspension body, compare compensation rotation corresponding to specified temp section The size of the priori value and the measured value of this of any one of dynamic angle, compensation rope movable length and falling mound location variation, If the priori value is bigger EdB than the measured value or big more than EdB, contact line compensation device is judged to be in stuck state；If Within the priori value is bigger EdB than the measured value, or the priori value is smaller than the measured value, then sentences contact line compensation device To be not in stuck state；
Wherein,
It is described to determine whether compensation wheel suspension body locus occurs using the inclination value or distance value of compensation wheel suspension body Change, including：
It is predetermined to judge whether the difference between compensation wheel suspension body current inclination value and its conventional inclination value is more than Inclination angle difference threshold, or judge whether the difference between compensation wheel suspension body current distance value and its conventional distance value is more than Predetermined distance difference thresholding, if it is not, then will compensation wheel suspension body to be judged to locus unchanged, if so, then will compensation wheel suspension Body is judged to locus change.
Specifically, the contact line compensation device compensation wheel spatial positional information includes the space bit confidence of compensation wheel suspension body Breath；
The spatial positional information of the compensation wheel suspension body includes：
The obliquity information or range information of compensation wheel suspension body, wherein,
The range information includes compensation wheel suspension body to the ranging held on anchor pillar with reference to the range information between body.
Specifically, it is described to determine whether compensation wheel suspension body sky occurs using the inclination value or distance value of compensation wheel suspension body Between position change, if it is not, then contact line compensation device is judged to be in normal operating conditions, if so, then sentencing contact line compensation device For in stuck state, including：
Average or the disposal of gentle filter is carried out to the inclination value of two or more compensation wheel suspension bodies of acquisition, made Determine whether compensation wheel suspension body locus change occurs with the data after average or the disposal of gentle filter.
The disposal of gentle filter includes any one of curve fit process and Least Square in Processing processing method.
The inclination value of described two or more than two compensation wheel suspension bodies includes once waking up the inclination angle that post-sampling obtains Value wakes up the inclination value that post-sampling obtains more than twice.
Specifically, it is described occur locus change be equivalent to compensate wheel there is position change.
Specifically, the distance value using compensation wheel suspension body determines whether compensation wheel suspension body locus occurs and change Become, including：
Average or the disposal of gentle filter is carried out to the distance value of two or more compensation wheel suspension bodies of acquisition, made Determine whether compensation wheel suspension body locus change occurs with the data after average or the disposal of gentle filter.
The disposal of gentle filter includes any one of curve fit process and Least Square in Processing processing method.
The distance value of described two or more than two compensation wheel suspension bodies is included in a wakeup process and samples what is obtained Distance value, or the distance value for sampling to obtain in secondary wakeup process, or in the inclination value that wake-up post-sampling obtains more than twice.
Specifically, it is described occur locus change be equivalent to compensate wheel there is position change.
In the present embodiment, contact net is judged to be in abnormal operation, including：
The compensation wheel of contact line compensation device is judged to the falling mound in abnormal operation, contact line compensation device and is in abnormal Position section and contact suspension are in the judgement of at least one of out-of-the way position state.
Specifically, the inclination angle difference threshold is the angle value more than or equal to 2 degree.
Specifically, the distance difference thresholding is the distance value more than or equal to 2 centimetres.
In the present embodiment, E interval is the real number value between 3 to 20, including 3 and 10.
In practical application, a kind of E value is 10 decibels（dB）, specified temp section value is 3 degree, it is assumed that the humidity province Between it is corresponding compensation wheel rotate angle change be 10 degree（Priori value）, compensation rope movable length, which becomes, turns to 20 centimetres（Priori value）, Falling mound change in location is 20 centimetres（Priori value）If it is 0.9 degree that compensation wheel, which rotates angle change, in the specified temp section （Measured value）, compensation rope movable length, which becomes, turns to 1 centimetre（Measured value）, falling mound change in location is 1 centimetre（Measured value）, then accordingly Measured value be less than more than 10 decibels of priori value, then, compensator is judged to stuck；The compensator is stuck including compensation wheel card Dead or falling mound is stuck.
The device that the present embodiment provides, wherein,
What contact net state determining module 320 performed determines shape residing for contact suspension using contact line compensation device action message The operation of state, the contact line compensation device action message including the use of same anchor section one end determine contact suspension status, tool Body comprises the following steps：
Determine that contact suspension is in normal tension compensating coefficient, abnormal tension force using compensation wheel suspension body spatial positional information Any of compensating coefficient and broken string state；Or
Actual measurement variable quantity and elder generation using any one of compensation wheel rotational angle, compensation rope movable length and falling mound position Test temperature and determine that contact suspension is in normal tension compensating coefficient, abnormal tension compensating state, contact suspension play shape to variable quantity Any of state and broken string state.
It is described to use compensation wheel rotational angle, compensation rope any one of movable length and falling mound position in the present embodiment Actual measurement variable quantity and priori temperature to variable quantity determine that contact suspension is in normal tension compensating coefficient, abnormal tension compensating shape Any of state, contact suspension play state and broken string state, including：
Judge actual measurement variable quantity and the elder generation of any one of compensation wheel rotational angle, compensation rope movable length and falling mound position Test temperature to variable quantity whether sizableness, if so, being then judged to contact suspension is in normal tension compensating coefficient, if it is not, then carrying out It is following to judge：
If actual measurement variable quantity is more than or much smaller than priori temperature to variable quantity, and compensates wheel suspension body locus and do not send out Changing, then it is judged to contact suspension and play occurs；
If surveying variable quantity much larger than priori temperature to variable quantity, and compensate wheel suspension body locus and change, Contact suspension is then judged to break；
If surveying variable quantity much smaller than priori temperature to variable quantity, and compensate wheel suspension body locus and change, Then it is judged to that contact line compensation wheel is stuck or compensating weight is stuck.
Judge whether compensation wheel suspension body locus changes, if it is not, being then judged to contact suspension there is play, if if so, Survey variable quantity and be more than priori temperature to variable quantity M decibels（dB）Or M decibels（dB）More than, then by contact line and carrier cable extremely Few one kind is judged to broken string state occur；If surveying variable quantity is less than priori temperature to variable quantity N decibels（dB）Or N decibels（dB）With On, then at least one of contact line and carrier cable are judged to broken string state occur
The actual measurement variable quantity and priori temperature to variable quantity sizableness, including compensation wheel rotational angle, compensation rope movement The actual measurement variable quantity of any one of length and falling mound position is with the difference of priori temperature to variable quantity in-M decibels（dB）To+M points Shellfish（dB）Between；
Specifically, M intervals are the real number between 0 to 3；
Typically, M takes the real number between 0 to 2.
The actual measurement variable quantity is much larger than priori temperature to variable quantity, including compensation wheel rotational angle, compensation rope movable length It is more than+N decibels with priori temperature to the difference of variable quantity with the actual measurement variable quantity of any one of falling mound position（dB）Between；
Specifically, N intervals are the real number more than or equal to M；
Typically, N is the real number of the value between 3 to 20；
Typically, N takes the real number between 3 to 10.
The actual measurement variable quantity is much smaller than priori temperature to variable quantity, including compensation wheel rotational angle, compensation rope movable length It is less than-N decibels with priori temperature to the difference of variable quantity with the actual measurement variable quantity of any one of falling mound position（dB）；
Specifically, N intervals are the real number more than or equal to M；
Typically, N is the real number of the value between 3 to 20；
Typically, N takes the real number between 3 to 10.
It is described to determine that contact suspension is in normal tension compensating coefficient, exception using compensation wheel suspension body spatial positional information Any of tension compensating state and broken string state, including：
Judge whether compensation wheel suspension body locus changes, if it is not, being then judged to contact suspension is in normal tension compensation State, if so, then making the following judgment：
Judge whether compensation wheel suspension body locus abnormal quick change occurs；If it is not, then by contact line compensation device At least one of compensation wheel and falling mound are judged to occur blocking state, if so, then by least one of contact line and carrier cable It is judged to broken string state occur；
It is described to judge whether compensation wheel suspension body locus abnormal quick change occurs, including：
Judge whether the time that compensation wheel suspension body is undergone from conventional angle value to current angle value is approximately equal to In the case that compensation wheel is stuck due to contact line or carrier cable expand with heat and contract with cold cause required for the angle value changes when Between, or judge whether compensation wheel time for being undergone from conventional distance value to current distance value of suspension body is approximately equal to and mending Repay wheel it is stuck in the case of because contact line or expanding with heat and contract with cold for carrier cable cause the time apart from required for value changes, if It is then to be judged to compensation wheel suspension body locus not occur abnormal quick change, if it is not, being then judged to compensation wheel suspension body space bit Put the abnormal quick change of appearance；Or
Judge whether to occur in compensation wheel time for being undergone from conventional angle value to current angle value of suspension body or Whether possibly be present at compensation wheel it is stuck in the case of because expanding with heat and contract with cold for contact line or carrier cable causes the angle value to become Change required for temperature change, or, judge compensation wheel suspension body undergone from conventional distance value to current distance value when Between whether be approximately equal to compensation wheel it is stuck in the case of because contact line or expanding with heat and contract with cold for carrier cable cause the distance value The change required time, if so, being then judged to compensation wheel suspension body locus does not occur abnormal quick change, if it is not, then sentencing There is exception for compensation wheel suspension body locus quickly to change；
Compensation wheel rotation information, compensation rope at least one of mobile message and falling mound positional information.
The method that the present embodiment provides, wherein,
It is described to determine whether contact line compensation device is in stuck shape using contact line compensation device compensation wheel spatial positional information State, further comprise：
It is combined with variation of ambient temperature information, judges the speed of the change of pitch angle of compensation wheel suspension body or judge whether Now abnormal quick change；Or
It is combined with variation of ambient temperature information, the speed or judgement for judging the distance change of compensation wheel suspension body are It is no abnormal quick change occur.
The present embodiment also include judge compensation wheel suspension body undergone from conventional angle value to current angle value when Between whether be approximately equal to compensation wheel it is stuck in the case of because contact line or expanding with heat and contract with cold for carrier cable cause the angle value The method of time required for change, is specifically included：
It is determined that repay wheel suspension body turns to A degree from conventional angle value to the change of current angle value；
The radial dimension for taking turns outstanding body using repaying determines that repaying wheel suspension body angulation change A degree needs transversely to compensate rope place The pulling in direction loosens length D；
Judge that the priori between the length change of temperature in use changing value and carrier cable or contact line determines to produce length D Change need temperature variation；
According to Wakeup interval or the time of angle value is reported to determine angle value occur to become and turn to the time t1 that A degree undergone；
According to the prior information of site environment temperature change, it is determined that at the scene under environment, occur causing carrier cable or contact The time t2 required for temperature variation needed for the length change D of line；
If t1 and t2 error is less than or equal to 2dB, sentences t1 and be approximately equal to t2, if t1 and t2 error is more than 2dB, It is inconsistent to sentence t1 and t2；
When t1 and t2 is inconsistent, angle change caused by sentencing carrier cable or contact line broken string is the different of compensation wheel locus Often quick change.
It is described in corresponding time interval, be included under specific live weather conditions, in wake-up period or a daytime Or one interior round the clock, if the temperature variation for the change needs for producing length D occurs.
Illustrated as one kind, A values are 2 degree, and D values are 10 centimetres.
The present embodiment also include judge compensation wheel suspension body undergone from conventional angle value to current angle value when In whether occur or whether possibly be present at compensation wheel it is stuck in the case of because contact line or expanding with heat and contract with cold for carrier cable are led The method for causing the temperature change required for the angle value changes, is specifically included：
It is determined that repay wheel suspension body turns to A degree from conventional angle value to the change of current angle value；
The radial dimension for taking turns outstanding body using repaying determines that repaying wheel suspension body angulation change A degree needs transversely to compensate rope place The pulling in direction loosens length D；
Judge that the priori between the length change of temperature in use changing value and carrier cable or contact line determines to produce length D Change need temperature variation；
According to Wakeup interval, report in the time of angle value and the prior information of site environment temperature change at least one Kind, it is determined that at the scene under environment, in corresponding time interval, if being likely to occur causes the length of carrier cable or contact line to become Change the temperature change value needed for D, if so, angle change caused by temperature change is then judged to, if it is not, being then judged to carrier cable or contact Angle change caused by line broken string；
Angle change caused by carrier cable or contact line broken string is the quick change of compensation wheel state.
It is described in corresponding time interval, be included under specific live weather conditions, in wake-up period or a daytime Or one interior round the clock, if the temperature variation for the change needs for producing length D occurs.
Illustrated as one kind, A values are 2 degree, and D values are 10 centimetres.
The method that the present embodiment provides, in addition to judge compensation wheel suspension body from conventional distance value to current distance value Whether the time undergone is approximately equal in the case where compensation wheel is stuck because contact line or expanding with heat and contract with cold for carrier cable cause The operation of time required for the angle value changes, is specifically included：
It is determined that repay wheel suspension body turns to D centimetres from conventional distance value to the change of current distance value；
Need the pulling in direction where transversely compensating rope it is determined that repaying wheel suspension body distance and changing D centimetres or loosen length L；
Judge that the priori between the length change of temperature in use changing value and carrier cable or contact line determines to produce length L Change need temperature variation；
According to Wakeup interval or the time determination of angle value is reported to produce the time t1 that length L change is undergone；
According to the prior information of site environment temperature change, it is determined that at the scene under environment, occur causing carrier cable or contact Line produces the time t2 required for the temperature variation needed for length L change；
If t1 and t2 error is less than or equal to 2dB, sentences t1 and be approximately equal to t2, if t1 and t2 error is more than 2dB, It is inconsistent to sentence t1 and t2；
When t1 and t2 is inconsistent, length L change caused by sentencing carrier cable or contact line broken string turns to compensation wheel locus Abnormal quick change.
It is described including to judge in corresponding time interval under specific live weather conditions, in wake-up period or one Daytime or one it is interior round the clock, if the temperature variation for the change needs for producing length L occurs.
Illustrated as one kind, D values are 2 centimetres, and L values are 10 centimetres.
The method that the present embodiment provides, in addition to judge compensation wheel suspension body from conventional distance value to current distance value Whether occur in the time undergone or whether possibly be present at compensation wheel it is stuck in the case of due to contact line or carrier cable Expand with heat and contract with cold the step of causing the temperature change apart from required for value changes, specifically include：
It is determined that repay wheel suspension body turns to D centimetres from conventional distance value to the change of current distance value；
Need the pulling in direction where transversely compensating rope it is determined that repaying wheel suspension body distance and changing D centimetres or loosen length L；
Judge that the priori between the length change of temperature in use changing value and carrier cable or contact line determines to produce pulling Or loosen the temperature variation that length L change needs；
According to Wakeup interval, report in the time of angle value and the prior information of site environment temperature change at least one Kind, it is determined that at the scene under environment, in corresponding time interval, if being likely to occur causes carrier cable or contact line to produce pulling Or the temperature change value needed for loosening length L, if so, distance change caused by temperature change is then judged to, if it is not, being then judged to load Distance change caused by rope or contact line broken string.
Distance change caused by the carrier cable or contact line broken string takes turns the quick change of locus for compensation.
It is described including to judge in corresponding time interval under specific live weather conditions, in wake-up period or one Daytime or one it is interior round the clock, if the temperature variation for the change needs for producing length D occurs.
Illustrated as one kind, D values are 2 centimetres, and L values are 10 centimetres.
In the present embodiment, further comprise using the change of pitch angle of compensation wheel suspension body, change direction and whether occurring different Often at least one of quick change information, differentiate whether compensation wheel is stuck, whether falling mound is blocked, whether contact line disconnects and hold Whether power rope at least one of disconnects；Or
Using the distance change of compensation wheel suspension body, change direction and whether there is at least one of abnormal quick change Information, differentiate compensation wheel it is whether stuck, whether falling mound is blocked, whether contact line disconnects and carrier cable whether disconnect at least one Kind.
The device that the present embodiment provides, wherein,
What contact net state determining module 320 performed determines shape residing for contact suspension using contact line compensation device action message The operation of state, including the contact net at the actual act section of the contact line compensation device of anchor section first end and the end of anchor section second is mended The actual act section for repaying device compares and carries out contact suspension skew identification, specifically includes following at least one step：
Contrast direction of action and the end of anchor section second in the actual act section of the contact line compensation device of anchor section first end Whether the direction of action in the actual act section of contact line compensation device is consistent, occurs if so, being then judged to contactless suspension skew, if It is no, then it has been judged to contact suspension skew and has occurred；And
By the matching error in the actual act section of the contact line compensation device of anchor section first end and its priori action section The actual act section of the contact line compensation device at the end of anchor section second and its priori are acted section by direction as the first direction of error Matching error direction as the second direction of error, following at least one judge：
If the first direction of error is identical with the second direction of error, and the first error amount and the second error amount are all higher than priori mistake Poor thresholding, then it is judged to support bracket skew to occur；
If the first direction of error is identical with the second direction of error, and at least one small in the first error amount and the second error amount In prior uncertainty thresholding, then it is judged to contactless suspension skew and occurs；And
If the first direction of error and the second direction of error on the contrary, if be judged to contact suspension skew occur.
In the present embodiment, the direction of action in the actual act section of the contact line compensation device includes compensation wheel suspension body The direction of change of pitch angle, the rotation direction of compensation wheel rotational angle, compensation rope moving direction along its length, the position of falling mound At least one of change direction.
In the present embodiment, direction of action unanimously includes：
One is side clockwise in the actual rotation direction of the compensation wheel of the contact line compensation device at the end of anchor section first and second To one is counterclockwise；Or
The actual change of pitch angle direction of the compensation wheel suspension body of the contact line compensation device at the end of anchor section first and second is all to incline Angle augment direction, or all reduce direction for inclination angle；Or
The actual moving direction of compensation rope of the contact line compensation device at the end of anchor section first and second is all for backwards to mid point anchor institute In direction, or all it is towards direction where mid point anchor；Or
The actual moving direction of falling mound of the contact line compensation device at the end of anchor section first and second is all upward direction, or all be to Lower direction.
In the present embodiment, direction of action it is inconsistent including：
The actual rotation direction of the compensation wheel of the contact line compensation device at the end of anchor section first and second is all clockwise direction, or All for counterclockwise；Or
One in the actual change of pitch angle direction of the compensation wheel suspension body of the contact line compensation device at the end of anchor section first and second For inclination angle augment direction, another is that inclination angle reduces direction；Or
One is backwards to central anchor in the actual moving direction of compensation rope of the contact line compensation device at the end of anchor section first and second Direction where knot, another is towards direction where mid point anchor；Or
One is upward direction in the actual moving direction of falling mound of the contact line compensation device at the end of anchor section first and second, another Individual is in downward direction.
In the present embodiment, first and second direction of error includes positive error direction and negative sense direction of error respectively；
Positive error direction includes：Along normal compensatory direction of action, the intermediate point in contact line compensation device actual act section Yardstick be more than action section intermediate point yardstick；Or the yardstick of the terminating point in actual act section is more than priori action section Terminating point yardstick；
Negative sense direction of error includes：Along normal compensatory direction of action, the yardstick of intermediate point is less than the intermediate point in action section Yardstick；Or the yardstick of the terminating point in actual act section is less than the yardstick of the terminating point in priori action section.
Specifically, the normal compensatory direction of action is raised and lowered with temperature including contact line compensation device and carried out normal The direction of compensating movement.
Specifically, the positive error direction includes：Along normal compensatory direction of action, contact line compensation device actual act area Between intermediate point yardstick be more than action section intermediate point yardstick；Or the yardstick of the terminating point in actual act section is more than first The yardstick of the terminating point in action section is tested, including：
The median or stop value of the actual rotation angular range of the compensation wheel of contact line compensation device are more than priori angle of rotation Spend the median or stop value of scope；Or
The median or stop value of the actual change of pitch angle scope of the compensation wheel suspension body of contact line compensation device are more than priori The median or stop value of change of pitch angle scope；Or
The median or stop value of the actual moving range of the compensation rope of contact line compensation device are more than priori moving range Median or stop value；Or
The median or stop value of the actual moving range of falling mound of contact line compensation device are more than the centre of priori moving range Value or stop value.
Specifically, the negative sense direction of error includes：Along normal compensatory direction of action, contact line compensation device actual act area Between intermediate point yardstick be less than action section intermediate point yardstick；Or the yardstick of the terminating point in actual act section is less than first The yardstick of the terminating point in action section is tested, including：
The median or stop value of the actual rotation angular range of the compensation wheel of contact line compensation device are less than priori angle of rotation Spend the median or stop value of scope；Or
The median or stop value of the actual change of pitch angle scope of the compensation wheel suspension body of contact line compensation device are less than priori The median or stop value of change of pitch angle scope；Or
The median or stop value of the actual moving range of the compensation rope of contact line compensation device are less than priori moving range Median or stop value；Or
The median or stop value of the actual moving range of falling mound of contact line compensation device are less than the centre of priori moving range Value or stop value.
In the present embodiment, first direction of error is identical with the second direction of error, including the first direction of error and second Direction of error is positively or negatively direction of error.
In the present embodiment, first direction of error and the second direction of error on the contrary, including the first direction of error for forward direction, Second direction of error is negative sense；Or first direction of error be negative sense, the second direction of error is forward direction.
Yet further, the change of pitch angle of suspension body, change direction are taken turns using the compensation positioned at anchor section both ends and is It is no at least one of abnormal quick change information occur, differentiate contact suspension whether play, whether anchor section offsets and central anchor Knot whether at least one of failure；Or
Using the distance change of the compensation wheel suspension body positioned at an anchor section both ends, change direction and whether occur abnormal fast At least one of speed change information, differentiate whether play, anchor section offset and mid point anchor is whether in failure contact suspension At least one.
The device that the present embodiment provides, wherein,
The described of the execution of contact net state determining module 320 determines contact suspension institute using contact line compensation device action message The operation of place's state, including the contact line compensation by the actual act section of the contact line compensation device of the first anchor section with corresponding anchor section The actual act section of device, which compares, carries out contact suspension skew identification, specifically includes following at least one operating procedure：
Determine to connect using the average in the actual act section of the contact line compensation device of one or more corresponding anchor section Touch suspension skew decision threshold；
If the actual act section of the contact line compensation device of the first anchor section is more than contact suspension skew decision threshold, it is judged to There is contact suspension skew in first anchor section, otherwise, is judged to the first anchor section and does not occur contact suspension skew；
The corresponding anchor section and the first anchor section are in anchor section span identical or less than the span error threshold of reservation；
The corresponding anchor section and the first anchor section are on the temperature change section of experience identical or less than the temperature error of reservation Thresholding.
In the present embodiment, the span error threshold of the reservation is value of the absolute value span in the range of 0 to 100, The unit of the span error threshold of reservation is rice.
In the present embodiment, the temperature error thresholding of the reservation is value of the absolute value span in the range of 0 to 3, in advance The unit for the temperature error thresholding ordered is degrees Fahrenheit.
In the present embodiment, the actual act area of the contact line compensation device using one or more corresponding anchor section Between average determine contact suspension offset decision threshold, including：
Use the average of the correspondingly yardstick of the intermediate point in the actual act section of the contact line compensation device of anchor section or terminating point Decision threshold is offset as contact suspension, using corresponding yardstick in the actual act section of the first contact line compensation device with contacting Suspension skew decision threshold is compared；Or
Use the average of the correspondingly yardstick of the intermediate point in the actual act section of the contact line compensation device of anchor section or terminating point Weighted value as contact suspension offset decision threshold, use corresponding chi in the actual act section of the first contact line compensation device Compared with degree offsets decision threshold with contact suspension；Or
Use the average of the correspondingly yardstick of the intermediate point in the actual act section of the contact line compensation device of anchor section or terminating point Decision threshold is offset as contact suspension to derived variance, using corresponding in the actual act section of the first contact line compensation device Yardstick and contact suspension offset decision threshold compared with；Or
Use the average of the correspondingly yardstick of the intermediate point in the actual act section of the contact line compensation device of anchor section or terminating point The weighted value of derived variance offsets decision threshold as contact suspension, uses the actual act section of the first contact line compensation device In corresponding yardstick compared with contact suspension skew decision threshold.
The contact net status information processor be located at contact net scene, including installed in anchor section scene, be located across anchor The vehicular platform at section scene or at the portable contact net status information at anchor section scene any of in device；
The contact net status information processor takes positioned at distal end, including positioned at the computer being connected with public network or private network It is engaged in device or digital signal processing appts.
The device that the present embodiment provides, wherein,
Contact net state determining module 320, it is additionally operable to perform the prior information of determination contact line compensation device operating position Operation, specifically includes following operating procedure：
Use the contact line compensation device operating position and its corresponding scene for actually measuring to obtain in very first time section Ambient temperature information builds temperature-operating position relation curve or temperature-operating position relation table；
What the prior information of the contact line compensation device operating position included obtaining by actual measurement becomes with specified temp Change compensation corresponding to section and take turns the change of pitch angle scope of suspension body, the change of pitch angle direction of compensation wheel suspension body, compensation wheel rotation Angular range, compensation wheel rotate direction, compensation rope movable length along its length, the movement of compensation rope along its length At least one of the change in location direction in direction, the change in location scope of falling mound and falling mound.
Further, temperature in use-operating position relation curve or temperature-operating position relation table determine contact line compensation Device operating position corresponding with specified temp constant interval in the second time interval.
Specifically, second time interval and very first time section are equal duration or the section of duration such as not, first Before time interval appears in one day of the second time interval, before January, or before 1 year, also, the second time interval with The very first time, section included the identical or temperature range that differs.
In the present embodiment, the structure temperature-operating position relation curve or temperature-operating position relation table, including make With the contact line compensation device for actually measuring to obtain in the either method processing very first time section in interpolation, extrapolation and smothing filtering Operating position information and its corresponding site environment temperature information.
Specifically, a kind of specific real of contact line compensation device action message is handled as using interpolation or filtering method Existing mode, it is corresponding to one group of temperature spot including the use of any one of curve fit process and Least Square in Processing processing method Contact line compensation device operating position information handled；
Wherein, one group of temperature spot includes two N number of temperature spots of value, and N is the natural number more than 2.
The method and device that the utility model embodiment provides can use electronic technology, radio in whole or in part Transmission technology and Internet technology are realized；The method that the utility model embodiment provides, can be in whole or in part by soft Part is instructed and/or hardware circuit is realized；The module or unit that the device that the utility model embodiment provides includes, can be adopted Realized with electronic component.
Described above, simply preferred embodiment of the present utility model, is not used for limiting guarantor of the present utility model Protect scope.Technical staff in any field described in the utility model, spirit and model disclosed by the utility model are not being departed from On the premise of enclosing, any modification and change, but protection model of the present utility model can be carried out in the form and details of implementation Enclose and be defined by the confining spectrum of appended claims.
The method and device that the utility model provides, overcome the existing realization complexity of prior art, cost is high, power consumption is big At least one of these shortcomings of contact net state are not identified using contact line compensation device action message.Can automatic detection go out Contact line compensation device failure and contact suspension failure, reduce maintenance cost.

Claims (7)

1. a kind of contact net state determination device, including：
Contact line compensation device action message acquisition module, contact net state determining module；Wherein,
Contact line compensation device action message acquisition module, for obtaining contact line compensation device action message, including it is wired or wireless Data transmission interface, the action message include contact line compensation device compensation wheel spatial positional information, compensation wheel rotation information, mended Repay rope at least one of mobile message and falling mound positional information；
Contact net state determining module, for determining contact net status using the contact line compensation device action message, bag Include data processing submodule；
Wherein,
The contact line compensation device action message that contact line compensation device action message acquisition module is received passes through data transfer Interface is transferred to contact net state determining module.
2. device according to claim 1, wherein,
Contact net state determining module, perform the behaviour that contact net status is determined using the contact line compensation device action message Make, including following operating procedure：
Contact line compensation device status is determined using contact line compensation device action message；Or
Contact suspension status is determined using contact line compensation device action message.
3. device according to claim 2, wherein,
What contact net state determining module performed determines contact line compensation device status using contact line compensation device action message Operation, including following operating procedure：
Operate one, determine whether contact line compensation device is in stuck shape using contact line compensation device compensation wheel spatial positional information State；Specifically include：
Determine whether compensation wheel suspension body locus change occurs using the inclination value or distance value of compensation wheel suspension body, if It is no, then contact line compensation device is judged to be in normal operating conditions, if so, being then judged to contact line compensation device to be in stuck shape State；Or
Operate two, connect using compensation wheel rotation information, compensation rope at least one of mobile message and falling mound positional information determination Whether net-fault compensator is in stuck state；Specifically include：
Compare appointing in compensation wheel rotational angle, compensation rope movable length and falling mound location variation corresponding to specified temp section The size of the priori value of one and the measured value of this, if priori value E dB or big E dB more than bigger than the measured value, Then contact line compensation device is judged to be in stuck state；If within priori value E dB bigger than the measured value, or the elder generation It is smaller than the measured value to test value, then is judged to be not in stuck state by contact line compensation device；Or
Operation three, wheel spatial positional information, and compensation wheel rotation information, the mobile letter of compensation rope are compensated using contact line compensation device At least one of breath and falling mound positional information determine whether contact line compensation device is in stuck state；Specifically include：
On the premise of locus change occurs in compensation wheel suspension body, compare compensation wheel angle of rotation corresponding to specified temp section The size of the priori value and the measured value of this of any one of degree, compensation rope movable length and falling mound location variation, if institute State that priori value is bigger EdB than the measured value or big more than EdB, be then judged to contact line compensation device be in stuck state；It is if described Within priori value is bigger EdB than the measured value, or the priori value is smaller than the measured value, then is judged to contact line compensation device not In stuck state；
Wherein,
It is described to determine whether compensation wheel suspension body locus change occurs using the inclination value or distance value of compensation wheel suspension body, Including：
Judge whether the difference between compensation wheel suspension body current inclination value and its conventional inclination value is more than predetermined inclination angle Difference threshold, or judge that whether compensation takes turns the difference between suspension body current distance value and its conventional distance value more than predetermined Distance difference thresholding, if it is not, then will compensation wheel suspension body to be judged to locus unchanged, if so, then compensation wheel suspension body is sentenced Change for locus.
4. device according to claim 2, wherein,
The behaviour that contact suspension status is determined using contact line compensation device action message that contact net state determining module performs Make, the contact line compensation device action message including the use of same anchor section one end determines contact suspension status, specifically included Following steps：
Determine that contact suspension is in normal tension compensating coefficient, abnormal tension compensating using compensation wheel suspension body spatial positional information Any of state and broken string state；Or
Use the actual measurement variable quantity and priori temperature of any one of compensation wheel rotational angle, compensation rope movable length and falling mound position To variable quantity determine contact suspension be in normal tension compensating coefficient, abnormal tension compensating state, contact suspension play state and Any of broken string state.
5. device according to claim 2, wherein,
The behaviour that contact suspension status is determined using contact line compensation device action message that contact net state determining module performs Make, including by the contact line compensation device at the actual act section of the contact line compensation device of anchor section first end and the end of anchor section second Actual act section, which compares, carries out contact suspension skew identification, specifically includes following at least one step：
Contrast direction of action contact with the end of anchor section second in the actual act section of the contact line compensation device of anchor section first end Whether the direction of action in the actual act section of net compensator is consistent, occurs if so, being then judged to contactless suspension skew, if it is not, Contact suspension skew has then been judged to occur；And
By the actual act section of the contact line compensation device of anchor section first end and the direction of the matching error in its priori action section As the first direction of error, by the actual act section of the contact line compensation device at the end of anchor section second and its priori action section Direction with error carries out following at least one judgement as the second direction of error：
If the first direction of error is identical with the second direction of error, and the first error amount and the second error amount are all higher than prior uncertainty door Limit, then it is judged to support bracket skew to occur；
If the first direction of error is identical with the second direction of error, and at least one less than first in the first error amount and the second error amount Error threshold is tested, then is judged to contactless suspension skew and occurs；And
If the first direction of error and the second direction of error on the contrary, if be judged to contact suspension skew occur.
6. device according to claim 2, wherein,
The described of contact net state determining module execution determines contact suspension status using contact line compensation device action message Operation, including the reality by the actual act section of the contact line compensation device of the first anchor section with the contact line compensation device of corresponding anchor section Border action section, which compares, carries out contact suspension skew identification, specifically includes following at least one operating procedure：
Determine that contact is outstanding using the average in the actual act section of the contact line compensation device of one or more corresponding anchor section Hang skew decision threshold；
If the actual act section of the contact line compensation device of the first anchor section is more than contact suspension skew decision threshold, first is judged to There is contact suspension skew in anchor section, otherwise, is judged to the first anchor section and does not occur contact suspension skew；
The corresponding anchor section and the first anchor section are in anchor section span identical or less than the span error threshold of reservation；
The corresponding anchor section and the first anchor section are on the temperature change section of experience identical or less than the temperature error thresholding of reservation.
7. according to any one of claim 1 to 6 described device, wherein,
Contact net state determining module, it is additionally operable to perform the operation for the prior information for determining contact line compensation device operating position, tool Body includes following operating procedure：
Use the contact line compensation device operating position and its corresponding site environment for actually measuring to obtain in very first time section Temperature information builds temperature-operating position relation curve or temperature-operating position relation table；
The prior information of the contact line compensation device operating position by actual measurement including being obtained and specified temp variation zone Between it is corresponding compensation wheel suspension body change of pitch angle scope, compensation wheel suspension body change of pitch angle direction, compensation wheel rotate angle Spend scope, the direction that compensation wheel rotates, compensation rope movable length along its length, the mobile side of compensation rope along its length To at least one of change in location direction of, the change in location scope of falling mound and falling mound.
CN201720894641.5U 2017-07-23 2017-07-23 A kind of contact net state determination device Active CN206960038U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107817020A (en) * 2017-07-23 2018-03-20 浙江维思无线网络技术有限公司 One kind contact net state determines method and device
CN111220310A (en) * 2020-03-06 2020-06-02 西南交通大学 Operation monitoring and abnormity alarming system and method for contact net compensation device
CN113804340A (en) * 2021-09-10 2021-12-17 中国国家铁路集团有限公司 Contact net compensation device state abnormity identification method and device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107817020A (en) * 2017-07-23 2018-03-20 浙江维思无线网络技术有限公司 One kind contact net state determines method and device
CN111220310A (en) * 2020-03-06 2020-06-02 西南交通大学 Operation monitoring and abnormity alarming system and method for contact net compensation device
CN113804340A (en) * 2021-09-10 2021-12-17 中国国家铁路集团有限公司 Contact net compensation device state abnormity identification method and device
CN113804340B (en) * 2021-09-10 2024-04-30 中国国家铁路集团有限公司 Method and device for identifying abnormal state of contact net compensation device

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