CN205864032U - A kind of generating equipment applied on rail limit - Google Patents

Abstract

This utility model relates to a kind of generating equipment applied on rail limit, including accumulator, more than one magnetoelastic transducer and the rectification charging controller suitable with described magnetoelastic transducer quantity, more than one described magnetoelastic transducer is arranged on the side of rail；Described magnetoelastic transducer electrically connects with described rectification charging controller, and described rectification charging controller is connected with described storage battery.When train passes through, wheel rim produces alternating current impression electromotive force from magnetoelastic transducer upper surface process, magnetoelastic transducer, and this electromotive force gives rectification charging controller through two lines.Rectification charging controller includes the monitoring of main control unit, rectification circuit, battery status and control circuit, working power and wireless data transfer module, AC electromotive force is converted to DC voltage by rectification charging controller, and external accumulator is charged control, status monitoring, abnormal conditions alarm and the power supply control to external electrical equipment.

Description

A kind of generating equipment applied on rail limit

Technical field

This utility model relates to belonging to the technical field ensureing train safe operation in railway transport course, is specifically related to one Plant to be especially suitable for applying and the most do not possess public network condition of power supply, and need low-power consumption security detection equipment occasion is installed The generating equipment on rail limit.

Background technology

Railway transportation is as the important channel of China Logistics, with its conveniently feature increasingly joyous by people Meeting, since particularly high ferro motor-car runs, the efficiency of railway transportation is greatly improved, at the trunk railway that some are busy On, just there is string train to pass through every 5 minutes, the heaviest transport task, the safety to railway and train proposes The highest requirement.

For passenger train, often there is power supply unit in joint compartment, can be that many safety that vehicle interior is installed are examined Measurement equipment is powered, it is achieved to the real-time detection of state in passenger vehicle running, during the faulty hidden danger of train, security detection equipment and Time send warning signal to train operator, driver takes corresponding Disposal Measures.

For the goods trains run a large amount of on railway, in addition to having power supply unit on locomotive (locomotive engine), shipping Compartment does not has power supply unit, and the running status in these compartments can only have been come by the vehicle safety detecting system on rail limit Become.Therefore, for ensureing that train safe quickly runs, need a lot of vehicle safety detection equipment is installed along the railway.

For rail, for ensureing the stationarity of train operation, existing railway line has laid substantial amounts of gapless rail, Under different use environment, owing to expanding with heat and contract with cold, the dilatation of rail is different, and the load adding each column train is different, Impact to rail is the most different.Comprehensive many factors, possible local buckling during distance gapless rail high temperature, may during low temperature The situation having fracture occurs, and causes traffic safety accident.In order to detect the deformation situation of rail in real time it is necessary in rail side Diverse location installs rail security detection equipment, about general 1 km of spacing distance of detection equipment, uses in railway line at present The minimum separation distances about 15 kilometers of vehicle safety detecting system, it is impossible to complete the detection completely to rail state.

If rail is carried out 1 kilometer of monitoring, powering how to such substantial amounts of security detection equipment becomes a difficult problem. Using railway power supply net is that detection equipment is powered, and needs each kilometer just to build a supply station, consumes substantial amounts of manpower and financial resources The investment of aspect.Along with the development of electronic technology, occur in that many high integration, the electronic devices and components of Micro Energy Lose, with these electricity The rail security detection equipment power consumption of sub-components and parts design is the lowest, and storage battery power supply can be used completely to work, as long as there being electricity Constantly can charge to accumulator, it is ensured that security detection equipment normally works.

Someone tries to coordinate accumulator to be that rail security detection equipment is powered with solar panel, but in some places meeting Because continuous print is overcast and rainy, solar panel cannot be charged to accumulator.

Maintenance to gapless rail at present can only be completed at night or train operation gap by surfaceman, it is impossible to it is right to realize The real-time detection of rail state.

Utility model content

In view of this, the purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of economical and practical, safety Reliably and not by weather and environmental effect applied the generating equipment on rail limit, in order to solve rail limit well and examine safely The powerup issue of measurement equipment, can find the potential safety hazard of railway transportation in time.

For realizing object above, this utility model adopts the following technical scheme that a kind of generating applied on rail limit sets Standby, including accumulator, more than one magnetoelastic transducer and the rectification charging control suitable with described magnetoelastic transducer quantity Device processed, more than one described magnetoelastic transducer is arranged on the side of rail；Described magnetoelastic transducer and described rectification charging control Device processed electrically connects, and described rectification charging controller is connected with described storage battery.

Described magnetoelastic transducer includes shell and the U magnet being arranged on described enclosure and closing coil；Described U Shape Magnet includes N pole neodymium iron boron strong magnet, S pole neodymium iron boron strong magnet and support；Described N pole neodymium iron boron strong magnet and described S pole The equal clamping of neodymium iron boron strong magnet is rack-mount, and described closing coil is two, enamel insulated wire coiling form；Two are closed Zygonema circle is respectively fitted on N pole neodymium iron boron strong magnet and S pole neodymium iron boron strong magnet, and the two is serially connected and is integrally formed, coil Outside two line ends are drawn out to shell by two lines.

The shell of described magnetoelastic transducer is processed by nylon, plastics or aluminum material.

Described rectification charging controller includes rectification circuit, main control unit and electrically connects with described main control unit respectively Battery status monitoring and control circuit, working power and wireless data transfer module；The input of described rectification circuit is with described The voltage output end electrical connection of magnetoelastic transducer, the outfan of described rectification circuit and the monitoring of described battery status and control circuit Electrical connection；

Also include that Surveillance center, described Surveillance center communicate to connect with described wireless data transfer module.

Described main control unit is responsible for monitoring voltage and the operating current of external accumulator, when accumulator is fully charged, master control Unit sends order, cuts off the charging circuit to accumulator；When battery tension is less than the threshold value set, main control unit is sent out Go out order, cut off the power supply circuits to external equipment；

Described main control unit is additionally operable to monitor magnetoelastic transducer in real time and either with or without induction electromotive force output and monitors external The operating current of equipment；The AC electromotive force that described rectification circuit is responsible for described magnetoelastic transducer to produce is converted to unidirectional current Pressure；The monitoring of described battery status and control circuit are responsible for the friendship that overvoltage and under-voltage condition, the magnetoelastic transducer of accumulator are produced Stream electromotive force, the operating current Parameters Transformation of external equipment become digital signal to give main control unit；Described working power is responsible for handle The voltage of accumulator is converted to the running voltage of rectification charging controller.

Described rectification circuit is made up of rectifier bridge, filter capacitor and pressure limiting circuit, is responsible for magnetoelastic transducer generation AC electromotive force is converted to DC voltage.

Also include jumper switch, be that each rectification charging controller sets unique identity code by jumper switch.

Described wireless data transfer module be in GPRS module, bluetooth module and Zigbee module one or both with On combination, be connected by RS232 interface communication between described wireless data transfer module with described main control unit.

Battery status monitoring and control circuit include that two-way voltage comparator circuit, two-way control relay, a road monostable Circuit and a road current sample comparator, described two-way voltage comparator circuit, a described road monostable circuit and a described road electricity Stream sampling comparator, described two-way control relay and electrically connect with described control circuit respectively.

This utility model uses above technical scheme, utilizes the principle of electromagnetic induction, is arranged on by described magnetoelastic transducer The side of rail；Described magnetoelastic transducer electrically connects with described rectification charging controller, and described rectification charging controller is with described Storage battery connects.When train is through out-of-date, it is possible to produce alternating current impression electromotive force, it is accumulator charging with this electromotive force, thus Realizing by accumulator is that the security detection equipment installed on rail is powered.

Rail limit provided by the utility model generating equipment, is to utilize following principle: the gold of motion in stationary magnetic field Belonging to conductive surface and can produce eddy current, the magnetic field produced around eddy current can cause again original stationary magnetic field intensity to become in turn Change, so that the closing coil being in original stationary magnetic field produces induction electromotive force, it is thus possible to complete appointing of generating Business.

The generating equipment that this utility model provides is not affected by weather and environment, can send out as long as there being train just to pass through Electricity, and train is by the most frequent, and generating efficiency is the highest, and every suit rail security detection equipment is joined a set of such generating and set Standby, the most economical and the most practical but also safe and reliable.At present, this rail limit generating equipment belongs to domestic initiation.

Accompanying drawing explanation

Fig. 1 is that this utility model applies the generating equipment schematic diagram on rail limit；

Fig. 2 is this utility model magnetoelastic transducer installation diagram；

Fig. 3 is this utility model magnetoelastic transducer outline drawing；

Fig. 4 is the U magnet structural map of this utility model magnetoelastic transducer；

Fig. 5 is the coil scheme of installation of this utility model magnetoelastic transducer；

Fig. 6 is this utility model magnetoelastic transducer perspective view；

Fig. 7 is this utility model rectification charging controller block diagram；

Fig. 8 is this utility model AC electromotive force and the corresponding schematic diagram of DC voltage after conversion.

In figure: 1, accumulator；2, magnetoelastic transducer；3, rectification charging controller；4, shell；5, N pole neodymium iron boron strong magnet； 6, S pole neodymium iron boron strong magnet；7, support；8, closing coil；9, oblong aperture；10, rectification circuit；11, main control unit；12, battery Status monitoring and control circuit；13, working power；14, wireless data transfer module；15, Surveillance center；16, rail.

Detailed description of the invention

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

As it is shown in figure 1, this utility model provides a kind of generating equipment applied on rail limit, including accumulator 1, Above magnetoelastic transducer 2 and the rectification charging controller 3 suitable with described magnetoelastic transducer 2 quantity, more than one Described magnetoelastic transducer 2 is arranged on the side of rail 16；Described magnetoelastic transducer 2 electrically connects with described rectification charging controller 3, Described rectification charging controller 3 electrically connects with described accumulator 1.

Magnetoelastic transducer 2 described in the present embodiment include shell 4 and be arranged on U magnet within described shell 4 and Closing coil 8；Described U magnet includes N pole neodymium iron boron strong magnet 5, S pole neodymium iron boron strong magnet 6 and support 7；Described N pole neodymium ferrum Boron strong magnet 5 and the equal clamping of described S pole neodymium iron boron strong magnet 6 are arranged on support 7, and described closing coil 8 is two, by insulating Enamel-covered wire coiling forms；Two closing coils 8 are respectively fitted on N pole neodymium iron boron strong magnet 5 and S pole neodymium iron boron strong magnet 6, the two It is serially connected and is integrally formed, outside two line ends of coil are drawn out to shell 4 by two lines.

Needing to do supplementary notes further, U magnet and coil are sealed in shell 4, make U by perfusion seccotine Shape Magnet, coil and shell 4 become an entirety.Using stainless steel stent 7 in the present embodiment, two pieces of Magnet clampings are arranged on not On rust steel bracket 7, it is N pole, while being S pole；Being wound on plastic skeleton by enamel insulated wire and make coil, coil will be very Empty condition soaks insullac in lower 24 hours；Two coils are respectively fitted over N pole and S extremely goes up, and the two is serially connected and is integrally formed, coil Two line ends be drawn out to shell 4 by two lines outside.Use special installation fixture, magnetoelastic transducer 2 is arranged on ferrum The side of rail, when train passes through, wheel rim produces alternating current impression from magnetoelastic transducer 2 upper surface process, magnetoelastic transducer 2 Electromotive force, this electromotive force gives rectification charging controller 3 through two lines.

The generating equipment operation principle that this utility model provides is: magnetoelastic transducer 2 is arranged on the side of rail, works as train By time, wheel rim from magnetoelastic transducer 2 upper surface process, the magnetic field around wheel cutting magnetoelastic transducer 2 inner magnet, Producing eddy current at wheel surface, the magnetic field of eddy current is made original magnetic field of magnetoelastic transducer 2 change, causes and turned by magnetoelectricity The magnetic flux of parallel operation 2 Inside coil changes, and produces alternating current impression electromotive force in coil.Magnetoelastic transducer 2 is by special Fixture be arranged on the lateral surface of rail, as shown in Figure 2, it is ensured that wheel rim vertical from magnetoelastic transducer 2 substantially when train passes through Process to the midline, so that the variable quantity ΔΦ of the magnetic flux of magnetoelastic transducer 2 Inside coil is maximum, the induction electromotive force of generation Also maximum.

From Faraday law of electromagnetic induction, when the coil that Guan Bi circuit is a n circle, ΔΦ is the magnetic by coil Variations of flux amount, for there is the time used by magnetic flux change in Δ t, then the induction electromotive force that coil two ends produce is represented by: ε= (ΔΦ/Δ t), ε are the induction electromotive force produced to n, and unit is volt.Assuming that each wheel of train warp from magnetoelastic transducer 2 The out-of-date magnetic flux change amount ΔΦ caused is identical, and the speed of train is the highest, and Δ t is the least, the induction electromotive force produced in coil The biggest.

As it is shown on figure 3, the shell 4 of described magnetoelastic transducer 2 is in rectangular structure, shell 4 is by the magnetic conductivity such as nylon, plastics Can form, in the use occasion that shell semi-finals degree is had particular/special requirement, it is also possible to add with aluminum material by good process for un-metal material Work shell 4.There are two oblong aperture 9 on the base, two ends of shell 4, in order to adjust magnetoelastic transducer 2 and rail during peace turns Distance.

Magnetoelastic transducer 2 is internal comprises U-shaped Magnet and closing coil 8.Specific configuration is as shown in Figure 4 and Figure 5.Fig. 4 describes The composition of U magnet, U magnet is made up of two pieces of neodymium iron boron strong magnets and stainless steel stent, two pieces of Magnet clampings are arranged on On stainless steel stent, being N pole, while being S pole, for the opposed polarity of easily recognizable two blocks of Magnet, N has been processed into pole " convex " Shape, S has been processed into pole " recessed " shape.

Enamel insulated wire is wound on plastic skeleton and makes coil, use 0.2 millimeter of high temperature resistant enamel covered wire of diameter tight Coiling forms, and to put around the coil made and carry out under vacuum 24 hours soaking insullac process；Each magnetoelastic transducer 2 There are two coils inside, and two coils are respectively fitted over the N pole of U magnet and S extremely goes up, and the two is serially connected and is integrally formed, coil Two line ends be drawn out to shell 4 by two lines outside.Accompanying drawing 5 describes the installation side of cooperation between coil with U magnet Formula, coil is bonded together by seccotine with the magnetic pole of U magnet.

After coil is installed on U magnet, place them in cabinet 4 internal, under vacuum to plastics Shell 4 internal perfusion strong sealing glue, after seccotine solidifies completely, coil, U magnet, shell 4 become an entirety, One magnetoelastic transducer 2 i.e. machines, and accompanying drawing 5 describes the perspective view within magnetoelastic transducer 2.

Below rectification charging controller 3 technical scheme of the present utility model is described in detail:

As it is shown in fig. 7, rectification charging controller 3 is the bridge of a connection rail limit generating equipment and accumulator 1, it is right to be responsible for The conversion of induction electromotive force, is responsible for the monitoring to accumulator 1 state, is responsible for controlling accumulator 1 charge and discharge operation.

Rectification charging controller described in the present embodiment 3 includes rectification circuit 10, main control unit 11 and respectively with described The battery status monitoring of main control unit 11 electrical connection and control circuit 12, working power 13 and wireless data transfer module 14；Institute The voltage output end of the input and described magnetoelastic transducer 2 of stating rectification circuit 10 electrically connects, the output of described rectification circuit 10 Hold and electrically connect with the monitoring of described battery status and control circuit 12；

Also include that Surveillance center 15, described Surveillance center 15 communicate to connect with described wireless data transfer module 14.

Described main control unit 11 is responsible for monitoring voltage and the operating current of external accumulator 1, when accumulator 1 is fully charged, Main control unit 11 sends order, cuts off the charging circuit to accumulator 1；When accumulator 1 voltage is less than the threshold value set, main Control unit 11 sends order, cuts off the power supply circuits to external equipment；

Described main control unit 11 is additionally operable to monitor magnetoelastic transducer 2 in real time and exports and outside monitoring either with or without induction electromotive force Connect the operating current of equipment；The AC electromotive force that described rectification circuit 10 is responsible for described magnetoelastic transducer 2 to produce is converted to directly Stream voltage；The monitoring of described battery status and control circuit 12 are responsible for the overvoltage accumulator 1 and under-voltage condition, magnetoelastic transducer 2 The AC electromotive force, the operating current Parameters Transformation of external equipment that produce become digital signal to give main control unit 11；Described work Power supply 13 is responsible for the voltage of accumulator 1 to be converted to the running voltage of rectification charging controller 3.

The present embodiment also includes jumper switch (not shown), is that each rectification charging controls by jumper switch Device 3 sets unique identity code.

The purpose of this utility model is intended to be charged to external accumulator 1 by rail limit generating equipment, thus solves The powerup issue of rail security detection equipment.The when of because train runs on railway, wheel is successively from magnetoelastic transducer 2 Upper process, often through a wheel, magnetoelastic transducer 2 will produce the simple alternating current electromotive force in a cycle, and accumulator 1 Voltage be DC voltage, magnetoelastic transducer 2 produce alternating current impression electromotive force cannot directly charge to accumulator 1.

Rectification circuit 10 is made up of rectifier bridge, filter capacitor, pressure limiting circuit, is responsible for the friendship that magnetoelastic transducer 2 is produced Stream electromotive force is converted to DC voltage, pressure limiting circuit can DC voltage be limited to one reasonably in the range of, it is to avoid because The too high damage caused accumulator 1 of DC voltage.DC voltage after process gives battery status monitoring and control circuit 12, Charge to external accumulator 1.AC electromotive force is with the corresponding schematic diagram of DC voltage after conversion as shown in Figure 8.

The monitoring of battery status described in the present embodiment and control circuit 12 include following four parts:

Two-way voltage comparator, using the voltage of working power 13 output as benchmark, external electric power storage monitored by a road comparator The upper voltage limit in pond 1, referred to as upper limit comparator；The lower voltage limit of one road comparator monitoring accumulator 1, referred to as lower limit comparator； When the output voltage of accumulator 1 is higher than upper voltage limit value when, the output state flip of upper limit comparator, when accumulator 1 When output voltage is less than lower voltage limit, the output state flip of lower limit comparator.The outfan of two-way comparator and main control unit 11 connect.

One tunnel monostable circuit, the DC pulse voltage that rectification circuit 10 is sent here is coupled out Weak pulse signal and gives list Steady-state circuit, when magnetoelastic transducer 2 has induction electromotive force to export, the output of monostable circuit is transient state from stable state " 0 " upset “1”.The output of monostable circuit is connected with main control unit 11.

One road current sample comparator, concatenates the resistance of a little resistance of high accuracy, outward in the loop of supplying power for outside Connect the operating current of rail security detection equipment to be converted to voltage and compare with reference voltage, during more than reference voltage, comparator Output state flip.The outfan of comparator is connected with main control unit 11.

Two-way controls relay, is used for cutting off accumulator 1 charging circuit and supplying power for outside circuit.Control end and master Control unit 11 connects.

Working power 13 in the present embodiment is a DC/DC module, and the voltage of accumulator 1 is converted to 3.3V voltage, for Rectification charging controller 3 is powered.

Main control unit 11 in the present embodiment is the core of rectification charging controller 3, and main control unit 11 is a low-power consumption Processor, can be single-chip microcomputer, arm processor or DSP, for economical and practical, preferably select low-power scm.It is main There is following function:

1. main control unit 11 receives the monitoring of aforementioned battery status and the signal of control circuit 12, when accumulator 1 voltage is higher than During upper voltage limit value, main control unit 11 controls relay, cuts off battery charger.When the output voltage of accumulator 1 is less than down During voltage limit, main control unit 11 controls relay, cuts off the power supply circuits of external equipment.

2. main control unit 11 receives the status signal of aforementioned monostable circuit output, the work shape of record magnetoelastic transducer 2 State.

3. main control unit 11 monitors whether supplying power for outside loop exceeds upper current limit value, if beyond the upper limit, main control unit 11 control relay, cut off and power external equipment.

4. main control unit 11 has extended out stand by lamp, and abnormal conditions occur, and stand by lamp flashes.Aforementioned 3 kinds of situations broadly fall into different Reason condition.

5., when there are abnormal conditions, main control unit 11, by wireless data transfer module 14, sends alarm to monitoring center Signal.

6. main control unit 11 is by wireless data transfer module 14, receives the order that monitoring center sends.

7. main control unit 11 has extended out 16 jumper switch, can set the body that each rectification charging controller 3 is independent Part code.

Described wireless data transfer module 14 in the present embodiment is in GPRS module, bluetooth module and Zigbee module One or more combination, by RS232 interface between described wireless data transfer module 14 and described main control unit 11 Communication connects.

For being described in further detail this utility model, now do and remark additionally as follows:

1. the rail limit generating equipment that this utility model provides, the size of the induction electromotive force that magnetoelastic transducer 2 produces Relevant with the speed of train operation, the induction electromotive force of the highest generation of speed is the highest, when train speed is at per hour 15 kilometers, DC voltage for accumulator 1 charging is more than 12V.General selection 12V plumbic acid maintenance-free accumulator 1 is supporting with rail limit generating equipment Using, because train is through out-of-date, what rail limit generating equipment produced is alternating-current pulse electromotive force, does not damage accumulator 1 in guarantee In the case of, properly increase the threshold value of accumulator 1 charging voltage, the upper limit charged electrical that the pressure limiting circuit in rectification circuit 10 sets Pressure is 18V, improves charge efficiency, shortens the charging interval.Suggestion accumulator 1 is before erecting bed, fully charged.

If the power dissipation ratio of the most external rail security detection equipment is relatively big, accumulator 1 velocity of discharge ratio can be caused very fast, one Set rail limit generating equipment can not supplement the energy loss of accumulator 1 in time, it may be considered that installs two set rail limits in rail side and sends out Electricity equipment, charges to accumulator 1 simultaneously.

3. after accumulator 1 is fully charged, main control unit 11 sends order, and control circuit cuts off charging circuit, it is to avoid mistake Fill and cause accumulator 1 to damage；When accumulator 1 voltage is less than predetermined threshold value, main control unit 11 sends warning signal, cuts The disconnected power supply to external equipment, in order to ensure the work electricity consumption of controller self；Main control unit 11 is by wireless data transmission mould Block 14, delivers to monitoring center alerting timely state.Monitoring center finds that fault message beamed back by a certain controller, can determine in time Position generating equipment, arranges personnel to change to on-site maintenance.

The generating equipment that this utility model provides is not affected by weather and environment, can send out as long as there being train just to pass through Electricity, and train is by the most frequent, and generating efficiency is the highest, and every suit rail security detection equipment is joined a set of such generating and set Standby, the most economical and the most practical but also safe and reliable.By this generating equipment, the power supply solving rail limit security detection equipment well is asked Topic, can find the potential safety hazard of railway transportation in time.

Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit Fixed protection domain of the present utility model, all within spirit of the present utility model and principle, any amendment, the equivalent made are replaced Change, improvement etc., within should be included in protection domain of the present utility model.

Claims (10)

1. the generating equipment applied on rail limit, it is characterised in that: include accumulator, more than one magnetoelastic transducer And the rectification charging controller suitable with described magnetoelastic transducer quantity, more than one described magnetoelastic transducer is arranged on The side of rail；

Described magnetoelastic transducer electrically connects with described rectification charging controller, described rectification charging controller and described storage battery Connect.

The generating equipment applied on rail limit the most according to claim 1, it is characterised in that: described magnetoelastic transducer bag Include shell and be arranged on U magnet and the closing coil of described enclosure；

Described U magnet includes N pole neodymium iron boron strong magnet, S pole neodymium iron boron strong magnet and support；Described N pole neodymium iron boron strong magnet Rack-mount with the equal clamping of neodymium iron boron strong magnet of described S pole, described closing coil is two, by enamel insulated wire coiling Become；Two closing coils are respectively fitted on N pole neodymium iron boron strong magnet and S pole neodymium iron boron strong magnet, and the two is serially connected composition one Body, outside two line ends of coil are drawn out to shell by two lines.

The generating equipment applied on rail limit the most according to claim 1, it is characterised in that: described magnetoelastic transducer Shell is processed by nylon, plastics or aluminum material.

4. according to applying the generating equipment on rail limit described in any one of claims 1 to 3, it is characterised in that: described whole Current charge controller include rectification circuit, main control unit and electrically connect with described main control unit respectively battery status monitoring and Control circuit, working power and wireless data transfer module；The input of described rectification circuit and the electricity of described magnetoelastic transducer Pressure outfan electrical connection, the outfan of described rectification circuit electrically connects with the monitoring of described battery status and control circuit.

The generating equipment applied on rail limit the most according to claim 4, it is characterised in that: also include Surveillance center, Described Surveillance center communicates to connect with described wireless data transfer module.

The generating equipment applied on rail limit the most according to claim 5, it is characterised in that: described main control unit is responsible for Monitoring voltage and the operating current of external accumulator, when accumulator is fully charged, main control unit sends order, cuts off accumulator Charging circuit；When battery tension is less than the threshold value set, main control unit sends order, cuts off the confession to external equipment Electricity circuit；

Described main control unit is additionally operable to monitor magnetoelastic transducer in real time either with or without induction electromotive force output and monitoring external equipment Operating current；

The AC electromotive force that described rectification circuit is responsible for described magnetoelastic transducer to produce is converted to DC voltage；

The monitoring of described battery status and control circuit are responsible for the friendship that overvoltage and under-voltage condition, the magnetoelastic transducer of accumulator are produced Stream electromotive force, the operating current Parameters Transformation of external equipment become digital signal to give main control unit；

Described working power is responsible for the voltage of accumulator to be converted to the running voltage of rectification charging controller.

The generating equipment applied on rail limit the most according to claim 4, it is characterised in that: described rectification circuit is by whole Stream electric bridge, filter capacitor and pressure limiting circuit are constituted, and the AC electromotive force being responsible for magnetoelastic transducer to produce is converted to DC voltage.

The generating equipment applied on rail limit the most according to claim 4, it is characterised in that: also include jumper switch, It is that each rectification charging controller sets unique identity code by jumper switch.

The generating equipment applied on rail limit the most according to claim 4, it is characterised in that: described wireless data transmission Module is one or more the combination in GPRS module, bluetooth module and Zigbee module, described wireless data transmission It is connected by RS232 interface communication between module with described main control unit.

The generating equipment applied on rail limit the most according to claim 4, it is characterised in that: battery status monitoring and Control circuit includes the monitoring of two-way battery status and control circuit, a road monostable circuit and a road current sample comparator, institute State two-way battery status monitoring and control circuit, a described road monostable circuit and a described road current sample comparator respectively with Described control circuit electrically connects.