A kind of contact network key components monitoring system and detection method
Technical field
The invention belongs to contact net technical field, closed at specifically a kind of contact net overlap based on active radio
Key spare parts logistics real time on-line monitoring device.
Background technique
In contact net, more for the force-bearing situation of components at present is that specific work is simulated in discrete any time
Measurement analysis under condition, majority carries out in the lab, and at the scene there is the stress condition of components in use environment
The monitoring of effect.The stress of contact network key components and anchor section tension, stagger, raise, sweep it is related, different
Larger difference is presented on node.Therefore designing one kind being capable of real time on-line monitoring contact network key components stress on the line
Real time on-line monitoring device is monitored the more complicated overlap position key components and parts of stress condition in route, with
The working condition that contact net is grasped for O&M unit, to hidden danger early warning present in contact net operation, it is ensured that contact net is strong safely
Kang Yunhang.
Summary of the invention
The elements of contacting net monitoring device based on active radio that the present invention provides a kind of, can be realized makes at the scene
Real time on-line monitoring is carried out to specific elements of contacting net working condition under environment.
A kind of contact network key components monitoring system, including Messenger Wire base and/or anchor branch positioning checkpoint, hold in described
Power rope seat is equipped with the first strain transducer of induction Messenger Wire base deformation, is electrically connected on first strain transducer
There is the first signal processing emitter, be electrically connected with the second strain transducer on the first signal processing emitter,
Second strain transducer does not generate strain as compensation data;Induction anchor is equipped on the anchor branch positioning checkpoint
The third strain transducer of branch positioning checkpoint deformation is electrically connected with second signal processing on the third strain transducer
Emitter is electrically connected with the 4th strain transducer, the 4th strain on the second signal processing emitter
Sensor does not generate strain as compensation data;It further include having to send out with the first signal processing emitter and second signal processing
The Communication Gateway of injection device signal connection.
The first signal processing emitter and second signal processing emitter include power module, power supply
Management module, CPU, measurement circuit, weak signal processing module, data modulation module and Anneta module, the measurement circuit
Acquisition sensor signal passes to CPU progress data processing after being transferred to weak signal processing module enhancing signal, and CPU will be handled
Signal afterwards passes to data modulation module, and modulated signal is passed through antenna transmission to communication network by data modulation module
It closes, wherein power module is data modulation module power supply, and it is CPU that power management module timing is arranged between power module and CPU
Power supply.
In first strain transducer, the second strain transducer, third strain transducer and the 4th strain transducer
It is resistor-type strain transducer.
The first signal processing emitter and second signal processing emitter are with Communication Gateway using wireless
Data transmission.
A kind of method of pair of contact net key components and parts real-time monitoring, it is characterised in that:Pass through a pair of of strain sensing respectively
The variation of the stress of Messenger Wire base and anchor branch positioning checkpoint is transmitted on respective signal processing transmitter and carries out at signal by device group
Reason, treated, and signal passes to Communication Gateway, and signal is passed to user and is monitored by Communication Gateway.
Strain transducer group includes the resistance strain sensor being arranged on Messenger Wire base and anchor branch positioning checkpoint, and
It is not used in induction stress and changes the resistance strain sensor compensated as metric data.
The advantages of the invention and good effect:
1, present invention offer monitoring device is compact-sized, does not destroy the original mechanical structure of elements of contacting net, does not change
Original stress.Conventional parts suitable for contact network key position directly replace installation.
2, all components of described device are all installed on the electrification electrification of cantilever support structure and refer to and contact line equipotential
Side, will not power and insulate to contact net impacts.
3, described device may operate in the environment of the high common-mode voltage of contact net, complex electromagnetic fields, accurately to contact
Net components working condition measures
4, the working condition of Messenger Wire base and anchor branch positioning checkpoint at overlap can be monitored in real time in described device.
Detailed description of the invention
Fig. 1 is principle schematic diagram of the present invention;
Fig. 2 is the structural schematic diagram of signal processing emitter of the present invention;
Fig. 3 is Messenger Wire base sensor mounting location schematic diagram of the present invention;
Fig. 4 is anchor branch positioning checkpoint sensor mounting location schematic diagram of the present invention;
Fig. 5 is the structural schematic diagram of an embodiment of the present invention.
Specific embodiment
A kind of method of real-time monitoring elements of contacting net is provided as shown in Figure 1:Stress is incuded by strain transducer group
Situation passes to signal on signal processing transmitter, after treated the signal projector processing of signal processing transmitter
Signal pass to Communication Gateway, the signal that Communication Gateway receives passes to user and carries out real-time monitoring.Specifically to carrier cable
Seat and the method that is measured in real time of anchor branch positioning checkpoint are:A pair is respectively set on Messenger Wire base and anchor branch positioning checkpoint
Strain transducer group senses that the stress variation on Messenger Wire base and anchor branch positioning checkpoint passes signal by strain transducer
It passs on respective signal processing transmitter, by the signal that is passed in signal processing transmitter pair of strain sensors
Signal is passed into Communication Gateway after reason, by Communication Gateway by the stress variation signal of Messenger Wire base and anchor branch positioning checkpoint
It passes to user and carries out real-time monitoring, wherein strain transducer group includes being mounted on Messenger Wire base and anchor branch positioning checkpoint to use
In the sensor of inducedstress variation, it is additionally provided with the strain transducer that one will not generate stress variation and is mended as metric data
It repays.This group of strain transducer is carried out after data processing by respective signal processing transmitter by carrier cable group and anchor Zhi Dingwei
Stress variation on clamp passes to Communication Gateway, carries out real-time monitoring by Communication Gateway remote transmission signal to user.
Wherein strain transducer is using resistance strain sensor.
The structural schematic diagram being specifically applied on contact net as shown in Figure 5, including the Messenger Wire base being fixed on Horizontal Cantilever
The 1 anchor branch positioning checkpoint 2 with fixation on the securing lever is equipped with the first strain transducer 3 on Messenger Wire base 1 as shown in Figure 3,
The first signal processing emitter 4 is electrically connected on first strain transducer 3, the first signal processing emitter 4 is fixed on flat
The metastable place such as bracket is also electrically connected with the second strain transducer 5 on the first signal processing emitter 4, the
Two strain transducers 5 do not generate strain as compensation data, so the setting of the second strain transducer 5 is sent out in the first signal processing
In injection device 4 or on Horizontal Cantilever.Similarly when monitoring anchor branch positioning checkpoint 2:It is arranged on anchor branch positioning checkpoint 2 as shown in Figure 4
Third strain transducer 6 and second signal handle emitter 7, and the 4th strain transducer 8 as signal compensation.With
On the first signal processing emitter 4 and second signal processing emitter 7 connect with 9 signal of Communication Gateway, first believe
Treated that signal is transferred to Communication Gateway 9 for number processing emitter 4 and second signal processing emitter 7, passes through communication network
Pass 9 transmits a signal to user and monitors in real time.It in specific implementation can be respectively to Messenger Wire base 1 and anchor branch positioning card
Son 2 individually implements monitoring, can also detect simultaneously to Messenger Wire base 1 and anchor branch positioning checkpoint 2, it can any selection
Strain transducer is being arranged to Messenger Wire base 1 or anchor branch positioning checkpoint 2, it can also be in Messenger Wire base 1 and anchor branch positioning checkpoint 2
Strain transducer is installed simultaneously, the first signal processing emitter 4 and second signal processing emitter 7 share a communication
Gateway realizes remote signal transmission, and the first signal processing emitter 4 and second signal processing emitter 7 are all made of nothing
Line transmission is connect with 9 signal of Communication Gateway.
First signal processing emitter 4 as shown in Figure 2 and second signal handle 7 structure of emitter:
Power module 10, power management module 11, CPU12, measurement circuit 13, weak signal processing module 14, data modulation module 15 with
And Anneta module 16, measurement circuit 13 acquire after sensor signal is transferred to the enhancing signal of weak signal processing module 14 and pass to
CPU12 carries out data processing, and by treated, signal passes to data modulation module 15 to CPU12, and data modulation module 15 will be adjusted
Signal after system is by antenna transmission to Communication Gateway 9, and wherein power module 10 is the power supply of data modulation module 15, power supply mould
11 timing of power management module is set between block 10 and CPU for CPU power supply.
First strain transducer 3, the second strain transducer 5, third strain transducer 6 and the 4th strain in the embodiment
Sensor 8 is resistor-type strain transducer.In embodiment, strain transducer group, signal processing emitter and Messenger Wire base
With anchor branch positioning checkpoint pre-assembled in manufactory, the first strain transducer 3 and third strain transducer 6 pass through the side being bonded
Formula is separately fixed at 2 outer surface of Messenger Wire base 1 and anchor branch positioning checkpoint, covers waterproof, corrosion resistant surface protection after bonding
Coating.First strain transducer 3 and the first signal processing emitter 4, third strain transducer 6 and second signal processing hair
Injection device 7 is connected by signal transmssion line.It is fixed to be fixed on by way of tying up after signal transmssion line connection installation protective case
On position pipe or Horizontal Cantilever.Signal processing emitter is installed on the outer surface of positioning pipe using the mode that metal binding belt bundlees.