CN206900393U - High ferro system for monitoring intrusion of foreign bodies - Google Patents

High ferro system for monitoring intrusion of foreign bodies Download PDF

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Publication number
CN206900393U
CN206900393U CN201720371066.0U CN201720371066U CN206900393U CN 206900393 U CN206900393 U CN 206900393U CN 201720371066 U CN201720371066 U CN 201720371066U CN 206900393 U CN206900393 U CN 206900393U
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China
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signal
high ferro
foreign bodies
vibrating sensor
processor
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Inventor
翟江兰
徐惠康
许明
董坤
姚锴
仝义安
丛宇殊
耿振
于国瑞
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Nuctech Co Ltd
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Nuctech Co Ltd
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Abstract

The utility model provides a kind of high ferro system for monitoring intrusion of foreign bodies, including:Vibrating sensor, non-fragment orbit is arranged at, for detecting the vibration signal of the non-fragment orbit and being sent to (FBG) demodulator;(FBG) demodulator, for receiving the vibration signal, vibration signal demodulation as demodulated signal and is sent to processor;Processor, for receiving the demodulated signal, to compared with predetermined threshold value, sending control signal after the demodulation signal processing when the demodulated signal exceedes predetermined threshold value to actuator;Actuator, for receiving the control signal and performing alarm;Power supply module, for the processor and actuator power supply.High ferro system for monitoring intrusion of foreign bodies described in the utility model, the vibration signal that foreign matter is fallen into high-speed railway rail limit can be monitored, and foreign body intrusion is judged according to vibration signal, so as to carry out alarm, to ensure high ferro operation security, suitable for carrying out foreign body intrusion monitoring to high ferro.

Description

High ferro system for monitoring intrusion of foreign bodies
Technical field
Safety monitoring technology field is the utility model is related to, more particularly to a kind of high ferro system for monitoring intrusion of foreign bodies.
Background technology
China Express Railway and inter-city passenger rail are quickly grown in recent years, and train speed has reached 350km/h, if Still just driver is relied on visually to find the foreign matter in circuit, it is impossible to take brake measure in time, trigger great driving accident, give Safety of railway operation brings grave danger and influence.
It is attached that foreign body intrusion is mainly in across the railway location of highway, rail-road parallel section junk, pendant car, bridge collapse construction section Closely, may cave in falling rocks location in tunnel face, railway main track and mountain area.
Domestic and international most common foreign body intrusion monitoring method has:Power network, optical cable, infrared ray, microwave, radar and video prison Survey.The shortcomings that the methods of infrared ray, microwave, radar and video surveillance maximum, is easily by external interference so that reducing essence Parasexuality, so as to cause wrong report, this is the main reason for limiting this kind of detecting system.
Power network monitoring method is vulnerable to thunder and lightning, the electromagnetic interference of driving, is also easy to produce wrong report;Optical cable is vulnerable to wind disturbance, people Influenceed for factors such as interference, produce wrong report.
This external power grid and fiber optic cable monitor method need cable or optical cable being arranged on protection network, such as The disclosed railway foreign body intrusion monitoring systems based on fiber-optic grating sensor closed loop of CN204368189U, A kind of foreign body intrusion monitoring device disclosed in CN201604664U, it can not be monitored for the foreign matter for falling into interorbital, installation early stage Workload is big, and cost is high.
Utility model content
A kind of high ferro system for monitoring intrusion of foreign bodies is provided according to embodiment of the present utility model, can be according to the height of acquisition Vibration signal in rail road limit, so as to monitor foreign body intrusion.
According to the one side of the utility model embodiment, there is provided a kind of high ferro system for monitoring intrusion of foreign bodies, including:
Vibrating sensor, non-fragment orbit is arranged at, for detecting the vibration signal of the non-fragment orbit and being sent to demodulation Instrument;
(FBG) demodulator, for receiving the vibration signal, vibration signal demodulation as demodulated signal and is sent to place Manage device;
Processor, for receiving the demodulated signal, to after the demodulation signal processing compared with predetermined threshold value, Control signal is sent when the demodulated signal exceedes predetermined threshold value to actuator;
Actuator, for receiving the control signal and performing alarm;
Power supply module, for the processor and actuator power supply.
Selectively, the vibration signal that the vibrating sensor detects is sent by way of wired or be wirelessly transferred To processor.
Selectively, the vibrating sensor is optical fiber raster vibration sensor.
Selectively, the vibrating sensor is installed on the side wall of the track plates of the non-fragment orbit or is installed on described The side wall of the bedplate of non-fragment orbit.
Selectively, the vibrating sensor includes one or more.
Selectively, when the vibrating sensor includes two or more, the vibrating sensor using in parallel, series connection or The two series connection connects with the mode that parallel connection is combined.
Selectively, the processor includes comparator, for the vibration signal and the predetermined threshold value to be compared Compared with;
Selectively, the high ferro system for monitoring intrusion of foreign bodies, in addition to (FBG) demodulator, the vibration letter of the vibrating sensor Number by the (FBG) demodulator demodulation after be sent to the processor.
Selectively, the power supply module includes power supply unit and uninterrupted power source.
Selectively, the actuator includes alarm.
Selectively, the alarm can send acoustical signal, optical signal or electric signal.
High ferro system for monitoring intrusion of foreign bodies described in the utility model, foreign matter can be monitored and fall into shaking in high-speed railway rail limit Dynamic signal, and foreign body intrusion is judged according to vibration signal, so as to carry out alarm, to ensure high ferro operation security, it is applied to Foreign body intrusion monitoring is carried out to high ferro.
Brief description of the drawings
It is new to this practicality may be better understood in the description of specific embodiment of the present utility model below in conjunction with the accompanying drawings Type, wherein:
By reading the detailed description made referring to the drawings to non-limiting example, other spies of the present utility model Sign, objects and advantages will become more apparent upon, wherein, same or analogous reference represents same or analogous feature.
Fig. 1 is the structural representation for representing high ferro system for monitoring intrusion of foreign bodies described in the utility model one embodiment;
Fig. 2 is to represent the vibrating sensor peace in high ferro system for monitoring intrusion of foreign bodies described in the utility model one embodiment Assembling structure sectional view;
Fig. 3 is to represent the vibrating sensor peace in high ferro system for monitoring intrusion of foreign bodies described in the utility model one embodiment Assembling structure top view.
In figure:
101st, vibrating sensor;102nd, processor;103rd, actuator;104th, power supply module;105th, (FBG) demodulator.
201st, track plates;202nd, bedplate.
Embodiment
The feature and exemplary embodiment of various aspects of the present utility model is described more fully below.Retouched in detail in following In stating, it is proposed that many details, to provide to comprehensive understanding of the present utility model.But for people in the art It will be apparent that the utility model can be implemented in the case of some details in not needing these details for member. Description to embodiment below is used for the purpose of providing to of the present utility model more preferable by showing example of the present utility model Understanding.In the the accompanying drawings and the following description, known structure and technology is not shown, to avoid that the utility model is caused Unnecessary is fuzzy.Identical reference represents same or similar structure in figure, thus will omit retouching in detail for they State.In addition, feature described below, structure or characteristic can be incorporated in one or more implementations in any suitable manner In example.It is not to specific knot of the present utility model also, the noun of locality of middle appearance described below is the direction shown in figure Structure is defined.
In description of the present utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be joined directly together, can also be indirectly connected by intermediary.For the ordinary skill in the art, Visual concrete condition understands concrete meaning of the above-mentioned term in the utility model.
A kind of as shown in figure 1, one side according to the utility model embodiment, there is provided high ferro foreign body intrusion monitoring system System, including:
Vibrating sensor 101, is arranged at non-fragment orbit, for detecting the vibration signal of non-fragment orbit and being sent to (FBG) demodulator 105;
(FBG) demodulator 105, for receiving vibration signal, vibration signal demodulation as demodulated signal and is sent to processor 102;
Processor 102, for receiving demodulated signal, to compared with predetermined threshold value, working as solution after demodulation signal processing Signal is adjusted to send control signal when exceeding predetermined threshold value to actuator 103;
Actuator 103, for receiving control signal and performing alarm;
Power supply module 104, for being powered to processor 102 and actuator 103.
Processor 102 is used as data processing and logic judgment unit, for having to the center wavelength variation of vibrating sensor The signal of pass is analyzed and judged.
The high ferro system for monitoring intrusion of foreign bodies that the present embodiment provides, non-fragment orbit is fallen into by the sensing of vibrating sensor 101 In foreign matter vibration, and produce vibration signal and be sent to (FBG) demodulator 105, vibration signal is demodulated to demodulated signal by (FBG) demodulator And processor 102 is sent to, after being handled by processor 102 demodulated signal compared with predetermined threshold value, this is default Threshold value is used for the normative reference as warning numerical value alarm, and control signal will be sent to actuator when reaching predetermined threshold value, Alarm is carried out by actuator.Specifically, judge whether the vibration of foreign matter reaches the requirement of warning numerical value alarm, if reached The requirement of warning numerical value alarm then illustrates the safe operation that may influence high ferro, so need to be handled, so as in order to Ensure the safe operation of high ferro, alarm is sent to staff and the higher level department of correlation, in order to timely processing, kept away Exempt from or exclude potential safety hazard in advance.
Compared with prior art is by way of infrared, microblogging, radar and video surveillance foreign body intrusion, the present embodiment carries The high ferro system for monitoring intrusion of foreign bodies of confession, the vibration signal that foreign matter is fallen into high-speed railway rail limit can be monitored, and be believed according to vibration Number foreign body intrusion is judged, so as to carry out alarm, to ensure high ferro operation security, suitable for carrying out foreign body intrusion prison to high ferro Survey.
As Figure 2-3, selectively, vibrating sensor 101 be installed on the track plates 201 of non-fragment orbit side wall or Person is installed on the side wall of the bedplate 202 of non-fragment orbit, and wherein track plates 201 are fixed on the top of bedplate 202, by bedplate 202 be that track plates 201 provide support.It is pointed out that the vibration being installed in the side wall of the bedplate 202 of non-fragment orbit passes Vibrating sensor 101 on sensor 101, with the side wall for the track plates 201 for being installed on tiny fragments of stone, coal, etc. track can be the vibration of same size Sensor or the different vibrating sensor of precision, are selected with specific reference to the needs used;Normally, install Vibrating sensor 101 in the side wall of the bedplate 202 of non-fragment orbit, its remolding sensitivity are installed on the track plates of tiny fragments of stone, coal, etc. track The high sensitivity of vibrating sensor 101 in 201 side wall, so as to ensure that the vibration signal that detects is more accurate.
When vibrating sensor 101 is installed on the side wall of track plates 201 of non-fragment orbit, due to being deposited between track plates 201 In flexible gap, so the vibration signal on two adjacent track plates 201 can produce exhaustion because of the presence in flexible gap. So normally when vibrating sensor 101 to be installed on to the side wall of track plates 201 of non-fragment orbit, on one piece of track plates 201 One vibrating sensor 101 of installation, influence of the vibration signal exhaustion to testing result caused by overcoming flexible gap with this, from And make testing result more accurate.
Selectively, vibrating sensor 101 includes one or more.
Selectively, when vibrating sensor 101 includes two or more, vibrating sensor 101 using in parallel, series connection or Series connection and the in parallel mode being combined are connected, and general network is opened up so as to form, can realize to a continuum or it is multiple not Think that foreign body intrusion is monitored with region, Monitoring Data is unified to be focused on by processor, consequently facilitating high ferro management Department and staff make reply in time, and the high ferro operation conditions of the same area or relevant range can be adjusted Degree processing, so as to ensure that high ferro is safe for operation, finds and excludes hidden danger in advance.
Selectively, vibrating sensor 101 is optical fiber raster vibration sensor, and by optical fiber raster vibration sensor group Into distribution array, optical fiber raster vibration sensor is converted to the acceleration change in the external world change for fiber bragg grating center wavelength Change, very high reliability can be possessed while high sensitivity is ensured.
Selectively, the vibration signal that vibrating sensor 101 detects is sent by way of wired or be wirelessly transferred To processor 102.The mode of wire transmission generally refers to optical fiber transmission, but can also disclosure satisfy that wire transmission will using other The transmission means asked.The mode being wirelessly transferred, such as can be by the way of satellite communication, in vibrating sensor 101 and processing Wireless transfer channel is established between device 102.
During the utility model is implemented, the corresponding communication of mode that is wired or being wirelessly transferred application can be assisted View, consequently facilitating processor receives the vibration signal of vibrating sensor 101, it is easy to build the foreign body intrusion monitoring net in big region Network;By corresponding communications protocol, the high ferro system for monitoring intrusion of foreign bodies that the utility model embodiment is provided is high with others Iron related system is coordinated to use, and can supervise high ferro system for monitoring intrusion of foreign bodies grafting provided by the utility model in other high ferros In control system, or high ferro system for monitoring intrusion of foreign bodies provided by the utility model and other high ferro monitoring systems can also be had Machine combines, and then can more effectively set up comprehensive disaster prevention system.Especially, the utility model embodiment can be carried For high ferro system for monitoring intrusion of foreign bodies and emergent corresponding system carry out combination use, can more rapidly, efficiently and accurately Various foreign body intrusions are handled, so as to ensure the safe for operation of high ferro.
Selectively, processor includes comparator, for by vibration signal compared with predetermined threshold value;
Selectively, high ferro system for monitoring intrusion of foreign bodies, in addition to (FBG) demodulator, the vibration signal of vibrating sensor pass through solution Instrument demodulation is adjusted to be sent to processor afterwards.
Selectively, power supply module 104 includes power supply unit and uninterrupted power source, generally by power supply unit to processor and Actuator is powered, and is ensured that processor and actuator are stable under conditions of safe voltage and is constantly worked, when power supply unit itself Produce failure, or when power network supply line failure, by uninterrupted power source be can be achieved distribution and its protection, data analysis, The function such as device diagnostic and alarm, system cut-off continuation of the journey.
Selectively, actuator 103 includes alarm, and alarm can send acoustical signal, optical signal or electric signal.Specifically Ground, the type of alarm of alarm can be display terminal display alarm content, or send an SMS to corresponding terminal notifying report It is alert, or by alarm lamp, buzzer prompting alarm, and send train dispatch radio communication and give the side such as train run in foreign body intrusion region Formula is alarmed.Understanding based on those skilled in the art, actuator 103 can also include other executable or response portions Part or action, such as vibration signal abnormal information etc. can be stored automatically.
The present embodiment provide high ferro system for monitoring intrusion of foreign bodies, can round-the-clock quantitative measurment, will not be by extreme day Gas or boisterous influence, it can be measured and according to measurement by detecting vibration signal caused by foreign body intrusion As a result alarmed;Vibrating sensor itself is safe to use, does not interfere with the communication security of existing high ferro, not strong by Along Railway The interference of electromagnetic field, the foreign body intrusion safety monitoring suitable for different geological conditions are alarmed, and ensure the accuracy of detection signal;It is whole The installation of individual monitoring system, use and repair all without existing high-speed railways framework is destroyed, be to existing high-speed railways safety The strong supplement of operation, install and easy to operate, safeguard that simply testing result is accurate, has access to system and road in other roads External information system, to improve the outside IWF of this system, also ensured to accurate and effective alarm band, more high ferro Safe operation, which adds, to escort.
According to the second of the utility model embodiment aspect, a kind of high ferro foreign body intrusion monitoring method is also provided, including:
The vibration signal of non-fragment orbit is detected using vibrating sensor and is sent to (FBG) demodulator;
Vibration signal demodulation as demodulated signal and is sent to processor by the (FBG) demodulator;
Processor after demodulation signal processing when demodulated signal exceedes predetermined threshold value to compared with predetermined threshold value, sending out Control signal is sent to actuator;
Actuator performs alarm according to control signal.
Selectively, the centre wavelength data for the demodulated signal corresponding with vibrating sensor that prestored in processor, and according to The centre wavelength data of demodulated signal judge the whether in running order of corresponding vibrating sensor;
Selectively, the centre wavelength data for the demodulated signal that also prestored in processor and the magnitude of vibrations of vibrating sensor Corresponding relation data, and judge according to corresponding relation data the magnitude of vibrations of vibrating sensor.
When the wavelength signals that processor should receive do not receive but, i.e.,:
If do not include in the vibration signal for the vibrating sensor that processor receives or interrupt some corresponding vibrating sensing The signal of device, then mean the position where the vibrating sensor there occurs certain serious conditions, such as the vibrating sensor quilt Ruin.It now can also prompt to alarm, and prompt staff to carry out safe handling at once.
If disappeared by the vibration signal of all vibrating sensors of a light splitting cable connection, this bar optical cable is likely to It is destroyed.
The logic rules specifically judged, it can also can specifically be set by operating personnel, or repaiied by default Change.
In addition, in the application of reality, can be only when the wavelength of the adjacent vibrating sensor in two positions is relative to feature When the vibration signal of wavelength is more than predetermined threshold, alarm signal is just sent.
Wherein, processor can be connected by wired mode (such as optical cable) with vibrating sensor.Alternatively, it is also possible to Wirelessly send and transmission information, such as realized by means of satellite network the transmission of information.
Processor receives the wavelength signals for the vibrating sensor being arranged on non-fragment orbit, and each ripple is determined by analyzing Vibrating sensor, the change of involved wavelength and corresponding representative magnitude of vibrations and vibration are big corresponding to long signal The small rank for reaching degree of danger, the rank of different degrees of danger can be directed to, different control signals is sent to actuator, And then actuator is set to perform different alarms.Such as alarm can be divided into three ranks, it is respectively:
A levels (impact) belong to modes of warning, corresponding to send the first control signal;
B levels (serious impact), it is corresponding to send the second control signal;
C levels (destruction) belong to alarm mode, corresponding to send the 3rd control signal.
System and the staff of alarm are received, can be examined according to the difference of alert levels, so as to open Dynamic different response prediction scheme.
In addition, processor is also configured to be used to determine whether to stop by, train for train, the buck of rail and manual inspection etc. Interference signal.
It is also possible to according to the demodulated signal received, the corresponding relation data that is prestored in more new processor.It is logical Chang Di, after vibrating sensor uses a period of time, it has certain in the feature for receiving vibration signal caused by vibration Change, is updated to the corresponding relation data to be prestored in processor according to the demodulated signal received, can ensure to shake at any time After the changing features of vibration signal caused by dynamic sensor, still accurately high-speed railway rail can be monitored.
High ferro foreign body intrusion monitoring method of the present utility model, the vibration letter that foreign matter is fallen into high-speed railway rail limit can be monitored Number, after being analyzed and processed to vibration signal compared with predetermined threshold value judgement foreign body intrusion, and can according to vibration believe Number different magnitude carries out real-time graded alarm, to ensure high ferro operation security, suitable for carrying out foreign body intrusion to fast road Monitoring.
The utility model can be realized in other specific forms, without departing from its spirit and essential characteristics.Therefore, currently Embodiment be all counted as being exemplary rather than in all respects limited, the scope of the utility model will by appended right Ask rather than foregoing description definition, also, fall into claim implication and equivalent in the range of it is whole change so as to all by It is included among the scope of the utility model.Also, the different technologies feature occurred in different embodiments can be combined, To obtain beneficial effect.Those skilled in the art will be understood that simultaneously on the basis of studying accompanying drawing, specification and claims Realize the embodiment of other changes of disclosed embodiment.

Claims (9)

1. a kind of high ferro system for monitoring intrusion of foreign bodies, including:
Vibrating sensor, non-fragment orbit is arranged at, for detecting the vibration signal of the non-fragment orbit and being sent to (FBG) demodulator;
(FBG) demodulator, for receiving the vibration signal, vibration signal demodulation as demodulated signal and is sent to processor;
Processor, for receiving the demodulated signal, to compared with predetermined threshold value, working as institute after the demodulation signal processing State when demodulated signal exceedes predetermined threshold value and send control signal to actuator;
Actuator, for receiving the control signal and performing alarm;
Power supply module, for the processor and actuator power supply.
2. high ferro system for monitoring intrusion of foreign bodies as claimed in claim 1, it is characterised in that
The vibration signal that the vibrating sensor detects is sent to processor by way of wired or be wirelessly transferred.
3. high ferro system for monitoring intrusion of foreign bodies as claimed in claim 1, it is characterised in that
The vibrating sensor is optical fiber raster vibration sensor.
4. the high ferro system for monitoring intrusion of foreign bodies as described in one of claim 1-3, it is characterised in that
The vibrating sensor is installed on the side wall of the track plates of the non-fragment orbit or is installed on the bottom of the non-fragment orbit The side wall of seat board.
5. high ferro system for monitoring intrusion of foreign bodies as claimed in claim 4, it is characterised in that
The vibrating sensor includes one or more.
6. high ferro system for monitoring intrusion of foreign bodies as claimed in claim 5, it is characterised in that
When the vibrating sensor includes two or more, the vibrating sensor is using in parallel, series connection or the two series connection and simultaneously Join the mode being combined to connect.
7. the high ferro system for monitoring intrusion of foreign bodies as described in one of claim 1-3,5 or 6, it is characterised in that
The processor includes:
Comparator, for by the demodulated signal compared with the predetermined threshold value.
8. high ferro system for monitoring intrusion of foreign bodies as claimed in claim 1, it is characterised in that
The power supply module includes power supply unit and uninterrupted power source.
9. high ferro system for monitoring intrusion of foreign bodies as claimed in claim 1, it is characterised in that
The actuator includes alarm, and the alarm can send acoustical signal, optical signal and/or electric signal.
CN201720371066.0U 2017-04-10 2017-04-10 High ferro system for monitoring intrusion of foreign bodies Active CN206900393U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107010087A (en) * 2017-04-10 2017-08-04 同方威视技术股份有限公司 High ferro system for monitoring intrusion of foreign bodies and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107010087A (en) * 2017-04-10 2017-08-04 同方威视技术股份有限公司 High ferro system for monitoring intrusion of foreign bodies and method

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