Embodiment
Embodiment below in conjunction with the description of drawings invention.As shown in Figure 1, the monitoring device 101 of waving of the specific embodiment of the invention is installed on the lead, and a plurality of monitoring points of waving can be set on the every lead, and each is waved one of the corresponding installation in monitoring point and waves monitoring device 101.Base station 102 is set up radio communication and is connected with a plurality of monitoring devices 101 of waving.
As shown in Figure 2, wave monitoring device 101 and comprise: acceleration transducer is used for the acceleration signal of waving of waving the monitoring point on the overhead transmission line conductor is monitored; The signal condition unit is used for described acceleration signal is carried out signal condition, generates the acceleration standard signal; Wireless transmit/receive units is used for described acceleration standard signal is carried out wireless transmit; Power supply is used to provide work energy; Storage unit is used for described acceleration standard signal is stored.Wave monitoring device 101 the acceleration standard signal of monitoring is wirelessly sent to base station 102, the acceleration standard signal of the 102 pairs of receptions in base station is transmitted.
Embodiment 1
As shown in Figure 3, the monitoring device 101 of waving of present embodiment comprises: being sleeved on that high pressure on the lead 301 takes out can telefault and power supply conditioning module, acceleration transducer, signal condition unit, signal controlling and radio receiving transmitting module.High pressure is taken out and can be obtained electric energy from hi-line by telefault, and introduces the input interface of power supply conditioning module by power lead; The power supply conditioning module transfers fluctuation voltage to galvanic current and supplies with signal condition module and signal controlling and radio receiving transmitting module; The signal condition module is carried out filtering, processing and amplifying to the acceleration signal of the lead of acceleration transducer monitoring and input, and the normal acceleration voltage signal after will handling is sent into the input interface of signal controlling and radio receiving transmitting module; Signal controlling and radio receiving transmitting module carry out after the AD conversion process with data directly or send to the wireless transmitter (for example other monitoring device or on-line monitoring base station) of far-end by base station 102 input normal acceleration voltage signal.
As shown in Figure 8, the U2 acceleration sensor chip is realized the surveying work to acceleration, the method of attachment of its each limb is: 1,2,4,5 pin are in vacant state, 8 pin connect power supply, 3 pin ground connection, connect the electric capacity of a 0.1uF between power supply and the ground, 6 pin and 7 pin are respectively the horizontal component (X) and vertical component (Y) output of institute's measuring acceleration value; U1 and U5 are the power supply unit of circuit board, provide power supply to acceleration transducer; The circuit of U5 front end is a rectification rate wave circuit, for entire circuit provides a stable electric current; U3 and U4 have constituted signal amplification circuit, and the data that U2 records are amplified output; The circuit of being made up of J5, J6 is the interface of entire circuit and unlimited module.
As shown in Figure 7, wave and enter the cycle of operation after monitoring device 101 internal applications are started, entered next cycle so that infinite after a cycle of operation, operation was finished.In a cycle of operation, the control power supply that application program is opened acceleration transducer earlier carries out initialization, the opening signal source switch behind the time-delay certain hour, begins the high speed acquisition acceleration signal and also stores in the EEPROM module complete to guarantee data then, after data acquisition finishes, carry out time delay,, carry out time delay afterwards to send respectively outwards data (avoid data transmission congested), judge whether the control information bag that transmits the base station, if having then change self operational factor; If not then close each signal source switch, this device enters dormant state.Sleep interval then enters the next cycle of operation, repeats said process.After sending static data and before the high speed acquisition, application program can the response external order change the self-operating parameter.Signal after the signal transmitting and receiving resume module sends the wireless signal receiving trap of far-end to by antenna wireless, it is host computer, in host computer acceleration signal is analyzed, what draw lead waves the foundation of track as fault judgement, failure prediction and circuit dilatation.
Far-end server can change the running status and the operational factor of waving monitoring device 101 by the base station to waving monitoring device 101 sending controling instructions, can make to wave monitoring device 101 and quit work and enter armed state.Also can make a plurality of monitoring device 101 synchronous acquisition data of waving to waving monitoring device 101 transmission synchronic commands.
Shown in Fig. 9 a, b, wave monitoring device 101 and have shell 901 and shell set collar 902 formations.Shell 901 inside carry the circuit board of waving monitoring device 101, and shell set collar 902 is sleeved on the lead, so that shell 901 is fixing.
Embodiment 2
As shown in Figure 4, the monitoring device 101 of waving of present embodiment comprises: solar energy equipment 401, power supply conditioning module, acceleration transducer, signal condition module, signal controlling and radio receiving transmitting module are formed.Solar energy equipment transfers solar radiant energy to electric energy, introduces the input interface of power supply conditioning module by the power lead on the solar panel; The power supply conditioning module transfers fluctuation voltage to galvanic current and supplies with signal condition module and signal controlling and radio receiving transmitting module; The signal condition module is carried out filtering, processing and amplifying to the acceleration signal of acceleration transducer input, and the normal acceleration voltage signal after will handling is sent into the input interface of signal controlling and radio receiving transmitting module; Signal controlling and radio receiving transmitting module carry out data directly being sent to after the AD conversion process wireless transmitter (for example other monitoring device or on-line monitoring base station) of far-end to input signal.
As shown in Figure 8, the U2 acceleration sensor chip is realized the surveying work to acceleration, the method of attachment of its each limb is: 1,2,4,5 pin are in vacant state, 8 pin connect power supply, 3 pin ground connection, connect the electric capacity of a 0.1uF between power supply and the ground, 6 pin and 7 pin are respectively the horizontal component (X) and vertical component (Y) output of institute's measuring acceleration value; U1 and U5 are the power supply unit of circuit board, provide power supply to acceleration transducer; The circuit of U5 front end is a rectification rate wave circuit, for entire circuit provides a stable electric current; U3 and U4 have constituted signal amplification circuit, and the data that U2 records are amplified output; The circuit of being made up of J5, J6 is the interface of entire circuit and unlimited module.
As shown in Figure 7, wave and enter the cycle of operation after monitoring device 101 internal applications are started, entered next cycle so that infinite after a cycle of operation, operation was finished.In a cycle of operation, the control power supply that application program is opened acceleration transducer earlier carries out initialization, the opening signal source switch behind the time-delay certain hour, begins the high speed acquisition acceleration signal and also stores in the EEPROM module complete to guarantee data then, after data acquisition finishes, carry out time delay,, carry out time delay afterwards to send respectively outwards data (avoid data transmission congested), judge whether the control information bag that transmits the base station, if having then change self operational factor; If not then close each signal source switch, this device enters dormant state.Sleep interval then enters the next cycle of operation, repeats said process.After sending static data and before the high speed acquisition, application program can the response external order change the self-operating parameter.Signal after the signal transmitting and receiving resume module sends the wireless signal receiving trap of far-end to by antenna wireless, it is host computer, in host computer acceleration signal is analyzed, what draw lead waves the foundation of track as fault judgement, failure prediction and circuit dilatation.
Far-end server can change the running status and the operational factor of waving monitoring device 101 by the base station to waving monitoring device 101 sending controling instructions, can make to wave monitoring device 101 and quit work and enter armed state.Also can make a plurality of monitoring device 101 synchronous acquisition data of waving to waving monitoring device 101 transmission synchronic commands.
Shown in Fig. 9 a, b, wave monitoring device 101 and have shell 901 and shell set collar 902 formations.Shell 901 inside carry the circuit board of waving monitoring device 101, and shell set collar 902 is sleeved on the lead, so that shell 901 is fixing.
As shown in figure 10, overhead transmission line galloping monitoring system of the present invention comprises: a plurality of monitoring device 101, base station 102 and far-end server 103, office terminals 104 of waving; Wherein, the described monitoring device of waving comprises: acceleration transducer is used for the acceleration signal of waving of waving the monitoring point on the overhead transmission line conductor is monitored; The signal condition unit is used for described acceleration signal is carried out signal condition, generates the acceleration standard signal; Wireless transmit/receive units is used for described acceleration standard signal is carried out wireless transmit; Power supply is used to provide work energy; Described base station is used to receive described acceleration standard signal, and the acceleration standard signal that receives is transmitted; Described far-end server comprises: radio receiving unit is used to receive the acceleration standard signal that transmit the base station; Wave the track generation unit, the acceleration information of waving that is used for waving according to the difference of the same shelves lead that receives the monitoring point calculates, and generates the track of waving of this grade lead, and show output on office terminal 104.
As shown in Figure 5, the described monitoring device 101 of waving also comprises: temperature sensor is used for the temperature signal of waving the monitoring point on the overhead transmission line conductor is monitored; Also can comprise air velocity transducer, wind transducer, temperature sensor, humidity sensor, rain sensor, baroceptor and light radiation sensor, the weather datas such as air speed data, wind direction data, temperature data, humidity data, rainfall data, barometric information and optical radiation data that are used for described overhead transmission line conductor scene of living in are monitored.Described far-end server is according to the acceleration information that receives and weather data generates the situation of waving, the equivalent ice covering thickness of transmission line of electricity and prediction is waved and the icing development trend, and reports to the police according to default alarming value.
Embodiment 3
Circuit is waved on-line monitoring system and is comprised data monitoring device, base station and monitoring back-up system.Wave on-Line Monitor Device, the track of collection site conductor galloping, amplitude, frequency etc. by on lead, installing; By comprehensive weather monitoring device and load vibration transducer, parameters such as collection site temperature, humidity, wind speed, wind direction, air pressure, rainfall, optical radiation and lead combined load are installed on tower; By the GPRS/CDMA wireless communication networks actual parameter is passed toward the remote monitoring center; Far-end daemon software analytic system utilizes trend analysis technology, artificial intelligence, fuzzy Judgment, iterate means such as technology carries out analyzing and processing to the intrinsic parameter of data and shaft tower, infers the situation of waving and the equivalent ice covering thickness of transmission line of electricity; According to on-the-spot meteorological condition and weather forecast in the recent period, prediction is waved and the icing development trend again; Set pre-, alarming value according to operating experience and design standards, adopt pre-, the warning of multiple mode.
Far-end server can change the running status and the operational factor of waving monitoring device 101 by the base station to waving monitoring device 101 sending controling instructions, can make to wave monitoring device 101 and quit work and enter armed state.Also can make a plurality of monitoring device 101 synchronous acquisition data of waving to waving monitoring device 101 transmission synchronic commands.
Adopt the short distance wireless sensor network between data monitoring device 101 and the base station 102.At each scene, only need a stylobate station is installed, just can realize the information monitoring and the fusion of multiparameter, strong, the intelligent degree height of extendability.Carry out message transmission up and down with the broadcast data newspaper in wireless sensor network, information uploading can be finished in 1 second; Utilize mobile communications network to carry out message transmission up and down with datagram between base station and the central station, information uploading can be finished about about 3 seconds.
The monitoring of wind speed, wind direction, temperature, humidity, rainfall, air pressure, optical radiation adopts the weather monitoring device to finish, and by wireless sensor network the data that collect is sent to the base station.
As shown in Figure 6, waving on-line monitoring mainly is to waving the relevant monitoring of track, utilize the acceleration transducer quadratic integral to analyze the amplitude of waving at place, monitoring point, analyzing reversing of lead by the line torsion angle sensor.By a plurality of monitors that have built-in acceleration transducer and line torsion angle sensor are positioned over one grade of diverse location in the lead, judge that each monitor vibration signal can judge the order waved and the frequency of vibration, thereby calculate its movement locus.
Its principle is as follows, and according to the kinematics law, the subdifferential of the displacement S of motion particle is the movement velocity v of particle, and two subdifferentials are the acceleration of motion a of particle.Otherwise, if the acceleration a of known particle, then can get the displacement S of particle, that is: through twice integration
S=∫ ∫ adt+S
0=∫ atdt+S
0, S in the formula
0---initial displacement
The discrete form of modus ponens:
Because lead can be attended by axial twisting in the process of waving, therefore, the centripetal acceleration a that needs deduction to produce therefrom
θ,
So level to displacement is
Vertically be to displacement
Δ t---sampling time interval in the formula;
N---sampled data number;
By x, y to displacement synthesising wire monitoring point tangent plane movement locus.
A plurality of acceleration transducers are installed in the same span on transmission line of electricity, each acceleration transducer can be measured the acceleration of its loca, be divided into vertical direction and horizontal direction, utilize said method to carry out quadratic integral to institute's measuring acceleration and draw its tangent plane movement locus, the acceleration transducer data at a plurality of somes place are sent to the base station by wireless sensor module, the base station radio transceiver module is finished the AD conversion through signal condition module conditioning back signal, the wireless transmission of data processing and processing back signal, and go up the on/off of single-chip microcomputer pin control signal conditioning module, thereby realize that rear end monitoring center basis waves early warning system and circuit is waved the half-wave situation of counting calculate and analyze by it.
As shown in figure 11, overhead transmission line galloping monitoring system of the present invention comprises: wave monitoring device 101, weather monitoring device 105, base station 102 and far-end server 103, office terminal 104; Wherein, the described monitoring device of waving comprises: acceleration transducer is used for the acceleration signal of waving of waving the monitoring point on the overhead transmission line conductor is monitored; The signal condition unit is used for described acceleration signal is carried out signal condition, generates the acceleration standard signal; Wireless transmit/receive units is used for described acceleration standard signal is carried out wireless transmit by the GPRS/CDMA wireless communication networks; Power supply is used to provide work energy.
Described weather monitoring device 105 is used for the weather data of described lead environment of living in is monitored, and the weather data of monitoring is sent to described base station 102 by the GPRS/CDMA wireless communication networks.As shown in Figure 8, the U2 acceleration sensor chip is realized the surveying work to acceleration, the method of attachment of its each limb is: 1,2,4,5 pin are in vacant state, 8 pin connect power supply, 3 pin ground connection, connect the electric capacity of a 0.1uF between power supply and the ground, 6 pin and 7 pin are respectively the horizontal component (X) and vertical component (Y) output of institute's measuring acceleration value; U1 and U5 are the power supply unit of circuit board, provide power supply to acceleration transducer; The circuit of U5 front end is a rectification rate wave circuit, for entire circuit provides a stable electric current; U3 and U4 have constituted signal amplification circuit, and the data that U2 records are amplified output; The circuit of being made up of J5, J6 is the interface of entire circuit and unlimited module.
Described base station 102 is used to receive described acceleration standard signal and weather data, and the acceleration standard signal and the weather data that receive are transmitted.
Described far-end server 103 comprises: radio receiving unit is used to receive the acceleration standard signal that transmit the base station; Wave the track generation unit, the described track generation unit of waving comprises: wave the acceleration algoritic module, be used for the acceleration of motion a of moving monitoring point is carried out integration twice, calculate the displacement S that waves the monitoring point, arithmetic expression is:
S=∫ ∫ adt+S
0=∫ atdt+S
0, S in the formula
0Be initial displacement;
The discrete form of modus ponens:
The centripetal acceleration a that the axial twisting of deduction lead in the process of waving produces
θ, then wave the monitoring point:
Level to displacement is
Vertically be to displacement
In the formula, Δ t is a sampling time interval; N is the sampled data number;
Wave track by x, y synthesising wire monitoring point tangent plane.
Wave the tangent plane of monitoring point according to the difference of same shelves lead and wave track, row calculates the track of waving of this grade lead, and shows output on office terminal 104.
The weather data monitoring device comprises: air velocity transducer, wind transducer, temperature sensor, humidity sensor, rain sensor, baroceptor and light radiation sensor, the air speed data, wind direction data, temperature data, humidity data, rainfall data, barometric information and the optical radiation data that are used for described overhead transmission line conductor scene of living in are monitored.
Described far-end server obtains waving amplitude information and waving track half-wave number of lead according to the described track of waving, and obtains the frequency information of waving of lead according to described acceleration information;
Described far-end server is waved track and is waved track half-wave number, waves amplitude information and wave that frequency information generates the situation of waving, the equivalent ice covering thickness of transmission line of electricity and prediction is waved and the icing development trend according to lead, and reports to the police according to default alarming value.
The present invention is by the real time on-line monitoring to transmission line galloping track correlation parameter, can in time find the generation that circuit is waved, operation department is in time taken measures, effectively its alternate flashover that causes of prevention, gold utensil damage, cause line tripping to have a power failure or cause the burn lead, forget about it shaft tower, lead fractures etc., and circuit that major accident causes destroys.After waving the on-line monitoring system application, can progressively set up national transmission line galloping information database, not only can enrich the line design basic database, the design of waving regional circuit for icing provides foundation, more can reduce and wave the loss that causes, ensure the operation of electricity net safety stable.
Above embodiment only is used for the explanation invention, but not is used for limiting invention.