CN113513438A - Hydraulic power generation system and method based on rail vibration - Google Patents
Hydraulic power generation system and method based on rail vibration Download PDFInfo
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- CN113513438A CN113513438A CN202110486667.7A CN202110486667A CN113513438A CN 113513438 A CN113513438 A CN 113513438A CN 202110486667 A CN202110486667 A CN 202110486667A CN 113513438 A CN113513438 A CN 113513438A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010248 power generation Methods 0.000 title claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 36
- 239000003921 oil Substances 0.000 claims description 36
- 239000006096 absorbing agent Substances 0.000 claims description 32
- 230000007704 transition Effects 0.000 claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 26
- 230000035939 shock Effects 0.000 claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 241001669679 Eleotris Species 0.000 claims 2
- 239000012530 fluid Substances 0.000 abstract 1
- 238000003860 storage Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000003491 array Methods 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000005662 electromechanics Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
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Abstract
The invention discloses a hydraulic power generation system and method based on rail vibration, which mainly solve the problems of transmission, conversion, power generation, storage and release of the vibration energy of the conventional railway rails. The realization method comprises the following steps: during charging, vertical vibration is transmitted to an energy converter arranged beside a road through a rail vibration energy conversion device; secondly, converting the mechanical energy of the vertical reciprocating motion into fluid kinetic energy to drive blades of a turbine generator to rotate; finally, the generator converts the rotating mechanical energy into electric energy to charge the battery pack; and during discharging, the charging and discharging controller controls the battery to discharge, and the inverter is matched with the load voltage to output power. The hydraulic power generation system and method based on the rail vibration are simple in structure, small in occupied area, capable of obtaining the vertical energy of the rail to the maximum extent and high in energy utilization rate.
Description
Technical Field
The invention belongs to the technical field of electromechanics, relates to an electromechanic integrated product for converting, storing and releasing vibration energy of railway tracks, in particular to a hydraulic power generation system and a hydraulic power generation method based on track vibration, and can be used for supplying power to equipment beside a track in the fields of railway and urban track traffic.
Technical Field
With the continuous, stable and high-speed development of national economy and the continuous improvement of the living standard of people, rail transit is more and more popular among people as a transportation tool with the advantages of large transportation volume, high speed, dense shift, safety, comfort, high punctuation rate, all weather, low transportation cost, energy conservation, environmental protection and the like. And a large amount of manpower and material resources are invested for maintaining the rail transit punctuality rate, the riding safety and the comfort of each railway operation company, and great economic pressure is brought to rail operation companies such as a railway bureau, an urban rail, a subway and the like.
In recent years, with the development of technologies such as internet, internet of things and the like, various automatic detection and monitoring devices are widely applied to the field of rail transit, are installed beside a rail and are used for monitoring various signal data, so that the maintenance cost of personnel is greatly reduced, but the cable laying cost and the power supply cost of the monitoring devices are also continuously increased. Because various monitoring devices are increased according to requirements after the line is opened, the monitoring devices bring huge pressure to the design capacity of the original line.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a hydraulic power generation system and method based on rail vibration, which have the advantages of simple structure, small occupied area, capability of obtaining the vertical energy of a rail to the maximum extent and high energy utilization rate.
The invention aims to realize the purpose, and relates to a hydraulic power generation system and a method based on rail vibration, which are characterized in that: the method comprises the following steps: the railway track vibration monitoring system comprises a railway track, sleepers, a track generator set array and a train, wherein a plurality of groups of track generator set arrays are arranged between two sleepers at intervals on the side edge of the railway track, when the train passes through the railway track, the train vibrates on the railway track, the sleepers enable the track generator set arrays on the side edge to generate electric energy through vibration, the electric energy generated through vibration charges a controlled battery pack, and when the electric energy of the battery pack reaches a threshold value, the electric energy is transmitted to a power grid through an inverter.
The indoor monitoring host is electrically connected with the outdoor controller through an interface, issues a power supply instruction to the outdoor controller, and acquires work monitoring information through the outdoor controller; the rail bottom vibration trigger is electrically connected with the outdoor controller through a network and provides a trigger signal for the outdoor controller, and the indoor monitoring host sends a battery charging instruction to the outdoor controller after acquiring the trigger signal provided by the outdoor controller; each power generation module in the track generator set array is connected with the outdoor controller through a cable; the outdoor controller is connected with the battery pack and the inverter through cables respectively, so that on one hand, electricity generated by the track generator set array is filtered and supplied according to the charging specification of the battery pack; on the other hand, when the outdoor controller receives a discharge command of the indoor monitoring host, the outdoor controller controls the battery pack to discharge, and electricity released by the battery pack is converted into specified electricity through the inverter to supply power to the roadside equipment for output.
The track generating set array include: the vibration energy absorption unit is electrically and mechanically connected with the vibration energy conversion unit and the generator through the vibration energy transmission unit.
The vibrational energy absorbing unit includes: the mounting fixture, the shock absorber and the short connecting rod are arranged, and the upper end of the shock absorber is fixedly connected with the bottom of the track through the mounting fixture; the lower end of the shock absorber is fixedly connected with one end of the short connecting rod through a bolt, the shock absorber of the vibration energy absorption unit is fixed at the bottom of the rail through a clamp, when a train passes through, the vibration of the railway track enables the filtering part of the shock absorber to vibrate in high frequency through the shock absorber, and meanwhile, the high acceleration and displacement of low frequency are reserved for energy transfer.
The vibrational energy transfer unit comprises: the upper transition plate, the lower transition plate, the supporting shaft, the bearing and the supporting seat are fixedly connected with one side of the lower transition plate; the upper transition plate and the lower transition plate are fixedly connected through bolts and clamped on the bearing outer ring, the bearing inner ring is fixed on the supporting seat through the supporting shaft, and the supporting seat is fixed on the track bed through the bolts; go up the opposite side of passing cab apron and lower cab apron and pass through the bolt and be connected with the one end of long connecting rod, vibration energy transfer unit working process is: the shock absorber is installed on the connecting rod, passes through the back shaft with the intermediate strut seat in the middle of the connecting rod and is connected, produces vertical displacement after the frequency filter equipment vibration, and it drives the vertical displacement of short connecting rod, and long connecting rod then uses the supporting seat to produce reverse vertical vibration as the center simultaneously, and the railway track vibration energy passes through the connecting rod and transmits energy conversion device on.
The vibrational energy conversion unit comprises: the device comprises an upper anti-loosening block, a lower loosening block, a piston rod, a piston cylinder, a cylinder base, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a first check valve, a second check valve, a third check valve, a fourth check valve, a first turbine generator, a second turbine generator and an oil cylinder; the vertical position of the long connecting rod is fastened and fixed by an upper anti-loose block and a lower loose block; the piston rod is connected to the upper anti-loosening block and the lower anti-loosening block through threads and is not in direct contact with the long connecting rod, and the piston rod is fixedly connected with the piston; the piston cylinder is in threaded connection with the cylinder base and is used for adjusting the height of the piston cylinder; 4 solenoid valve interfaces are arranged respectively on the upper portion and the lower part of both sides of piston cylinder: first solenoid valve, second solenoid valve, third solenoid valve, fourth solenoid valve, wherein: the first electromagnetic valve is connected with the first one-way valve through an oil pipe, the first one-way valve is connected with the oil cylinder, the oil cylinder is connected with an outlet D of the second turbine generator, an inlet C of the second turbine generator is connected with the second one-way valve, and the second one-way valve is connected with the second electromagnetic valve to form a closed oil loop; the fourth electromagnetic valve is connected with the fourth one-way valve through an oil pipe, the fourth one-way valve is connected with an inlet A of the first turbine generator, an outlet B of the first turbine generator is connected with an oil cylinder, the oil cylinder is connected with the third one-way valve, and the third one-way valve is connected with the third electromagnetic valve to form another closed oil loop; the working process of the vibration energy conversion unit is as follows: the long connecting rod is connected with the piston rod, only vertical energy is transmitted, and vibration in other directions is filtered through the lost motion gap on the long connecting rod; when the long connecting rod vibrates vertically, the piston rod vibrates vertically and reciprocates vertically; when the piston rod moves downwards to contact the piston, the piston extrudes hydraulic oil to push turbine generator blades of the second turbine generator to rotate, and meanwhile, power generation is carried out; when the piston rod moves upwards to contact the piston, the piston extrudes hydraulic oil to push the turbine generator blades of the first turbine generator to rotate and generate power at the same time.
The first turbine generator and the second turbine generator have the same structure and both comprise: the turbine generator comprises a turbine bearing, a turbine shaft, a turbine generator stator, a turbine generator rotor, a generator base, turbine generator blades, a turbine generator output end and a turbine cavity wall; the turbine generator rotor is sleeved on the turbine shaft, the turbine generator rotor is integrally arranged in the turbine generator stator and coaxial with the turbine generator stator, turbine bearings are arranged in the front and the back of the turbine generator rotor, the turbine generator stator is fixed on the generator base, turbine generator blades are arranged at one end of the turbine generator rotor and fixed in the wall of the turbine cavity, the first turbine generator and the second turbine generator are respectively connected with the output end of the vibration energy conversion unit, the turbine generator output ends of the first turbine generator and the second turbine generator are electrically connected with the input end of the inverter and are connected with a power grid through the inverter.
The charging process is as follows: when the train is close to the track generator set array area and the railway track vibration reaches the trigger value of the rail bottom vibration trigger, the trigger triggers the outdoor controller to start the charging mode; when a train passes through a track generator set array area, the bottom of a railway track between two sleepers vibrates vertically to generate large displacement, a vibration absorber is caused to vibrate and generate vertical vibration and displacement when the railway track vibrates, a high-stiffness spring is arranged in the vibration absorber, high-frequency vibration of a filtering part can be filtered when the spring responds to vibration, and the energy utilization rate is highest when low-frequency resonance occurs; the vertical displacement of the shock absorber drives the short connecting rod, the upper transition plate, the lower transition plate and the long connecting rod which are fixedly connected with the shock absorber to do seesaw motion around the support shaft at the center of the upper bearing of the support seat, namely when the short connecting rod moves downwards, the long connecting rod moves upwards, otherwise, when the short connecting rod moves upwards, the long connecting rod moves downwards, and the amplification of the vertical displacement of the long connecting rod is realized according to the length ratio of the short connecting rod to the long connecting rod, so as to meet the stroke requirement of the energy conversion device on the driving; the long connecting rod clamps the upper plane and the lower plane through the upper anti-loosening block and the lower anti-loosening block, when the long connecting rod vertically moves upwards, the long connecting rod drives the piston rod to vertically move upwards, on one hand, hydraulic oil in an upper cavity of the piston cylinder compressed by the piston flows into an inlet A of a turbine generator A through a fourth electromagnetic valve and a fourth one-way valve to push the first turbine generator to rotate and drive a generator rotor to rotate to generate electricity, the hydraulic oil flows out of an outlet B of the wall of the turbine cavity and enters the oil cylinder, on the other hand, the pressure of a lower cavity of the piston cylinder is reduced, and the hydraulic oil flows into the lower cavity of the piston cylinder from the oil cylinder through a third one-way valve and a third electromagnetic valve;
when the long connecting rod vertically displaces downwards, the long connecting rod drives the piston rod to vertically move downwards, on one hand, the piston compresses the lower cavity of the piston cylinder to enable hydraulic oil to flow to an inlet C of a second turbine generator through a second electromagnetic valve and a second one-way valve, and the hydraulic oil pushes turbine blades of the second turbine generator to rotate and drives a generator rotor to rotate to generate electricity; on the other hand, hydraulic oil enters an upper cavity of the piston cylinder from the oil cylinder through the first check valve and the first electromagnetic valve;
the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are controlled through the outdoor controller, the pressure of hydraulic oil is adjusted through the drift diameter, so that the rotating speeds of the first turbine generator and the second turbine generator are adjusted, the output of the generators is controlled, and the battery charging is controlled through the outdoor controller through the output power.
The process of transmitting the electric energy to the power grid through the inverter is as follows: the indoor monitoring host sends an instruction of supplying power to the outdoor controller, and the outdoor controller controls the battery pack to discharge; after the battery pack discharges, current flows to the inverter through the outdoor controller, and direct current is converted into alternating current matched with the system of the roadside equipment for output.
The invention relates to a hydraulic power generation system and method based on rail vibration, which is characterized in that: the method comprises the following steps:
firstly, when a train is close to a generator set array area and the vibration of a railway track reaches a trigger value of a vibration trigger, the vibration trigger triggers an outdoor controller to start a battery pack charging mode;
and secondly, the outdoor controller inquires the number, the state and the electric quantity of the battery pack, and judges whether to charge according to the electric quantity of the battery pack:
(2a) when the outdoor controller judges that the state of the battery pack is abnormal or the battery pack does not need to be charged, the outdoor controller closes all charging channels;
(2b) when the outdoor controller judges that the battery pack is in a normal state and needs to be charged, the outdoor controller selectively opens one or more groups of charging channels of the numbered battery packs to charge according to the electric quantity saturation degree of the battery;
thirdly, the train passes through the generator set array area, the short connecting rod and the long connecting rod are driven to perform warping movement around the shaft of the supporting seat by vertical displacement generated by vibration of the railway track, and the directions are opposite in the vertical direction; when the long connecting rod moves downwards, the piston rod is driven to move downwards, and the piston extrudes hydraulic oil in the lower cavity of the piston cylinder to drive the turbine generator to rotate so as to convert the rotary mechanical energy into electric energy; when the long connecting rod moves upwards, the piston rod is driven to move upwards, and the piston extrudes hydraulic oil on the upper cavity of the piston cylinder to drive the turbine generator to rotate so as to convert the rotary mechanical energy into electric energy;
fourthly, the outdoor controller adjusts the pressure of the hydraulic oil through controlling the drift diameter of the electromagnetic valve to adjust the rotating speed of the turbine generator, and controls the output of the generator to charge the battery pack;
fifthly, when the train is far away from the generator set array area and the vibration of the railway track is lower than the trigger value of the vibration trigger, the outdoor controller closes the charging mode of the battery pack;
sixthly, the indoor monitoring host sends an instruction of supplying power to the outdoor controller, and the outdoor controller starts a battery pack discharging mode;
seventhly, the outdoor controller inquires the number and the electric quantity of the battery pack, and judges whether the battery pack can supply power to the outside through the electric quantity of the battery pack:
(7a) when the outdoor controller judges that the electric quantity is low and the external power supply cannot be carried out, the outdoor controller feeds back the information of the incapability of power supply to the indoor monitoring host and waits for a further instruction;
(7b) when the outdoor controller judges that power can be supplied to the outside, the outdoor controller selectively opens a discharge channel of one or more numbered battery packs according to the inquired battery electric quantity saturation degree;
and eighthly, after the battery pack discharges, the current respectively passes through the outdoor controller and the inverter, and finally the direct current is converted into matched alternating current to supply power to the roadside equipment.
The invention has the following advantages:
1) simple structure, through with the railway rails vertical vibration transmission to beside the rail, make energy conversion device not receive the restriction in the narrow and small space in rail bottom.
2) The energy absorption device is directly contacted with the rail bottom area between the two sleepers, so that the device can obtain the vertical energy of the railway track to the maximum extent.
3) The vibration absorber responds to the vertical vibration of the track through the large-stiffness spring, can absorb the vibration energy with larger frequency, and has higher energy utilization rate.
4) The array formed by sequentially arranging the plurality of power generation modules between the sleepers on the two sides of the track can improve the density of the energy collection covering track, is favorable for reducing the occupied area and improves the energy collection efficiency.
The present invention will be further described with reference to the following examples and accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the track-vibrating power generation system of the present invention;
FIG. 2 is a schematic view of a rail vibration generator set array according to the present invention;
FIG. 3 is a schematic structural diagram of an energy conversion device according to the present invention;
FIG. 4 is a schematic illustration of the turbine generator configuration of the present invention;
FIG. 5 is a schematic diagram of the charging process of the track-vibrating power generation system of the present invention;
FIG. 6 is a schematic diagram of the discharge process of the track-vibrating power generation system of the present invention;
fig. 7 is a schematic diagram of an example of the operation process of the track vibration power generation system of the present invention.
In the figure: 1. an indoor monitoring host; 2. an outdoor controller; 3. a rail generator set array; 4. a rail foot vibration trigger; 5. a battery pack; 6. an inverter; 7. roadside equipment; 8. a railway track; 9. crossties; 31. an energy conversion device; 310. installing a clamp; 311. a buffer device; 312. a short connecting rod; 313. a long connecting rod; 314. an upper transition plate; 315. a lower transition plate; 316. a support shaft; 317. a bearing; 318. a supporting seat; 319. an upper anti-loose block; 320. a lower anti-loosening block; 321. a piston rod; 322. a piston cylinder; 323. a piston; 324. a cylinder base; 325. a first solenoid valve; 326. A second solenoid valve; 327. a third electromagnetic valve; 328. a fourth solenoid valve; 329, a first one-way valve; 330. a second one-way valve; 331. a third check valve; 332. a fourth check valve; 333. a first turbine generator; 3331. a turbine bearing; 3332. a turbine shaft; 3333. a turbine generator stator; 3334. a turbine generator rotor; 3335. a generator base; 3336. turbine generator blades; 3337. a turbine generator; 3338. a turbine chamber wall; 334. a second turbine generator.
Detailed Description
To further explain the technical means and methods adopted by the present invention to achieve the intended purpose, the following detailed description of the embodiments, structural features and methods thereof will be provided in conjunction with the accompanying drawings and examples.
Example 1
As shown in fig. 1 and 2, the present invention relates to a hydraulic power generation system and method based on rail vibration, which is characterized in that: the method comprises the following steps: the railway track system comprises a railway track 8, sleepers 9, a track generator set array 3 and a train, wherein an indoor monitoring host 1, an outdoor controller 2 and a rail bottom vibration trigger 4 are arranged, a plurality of groups of track generator set arrays 3 are arranged between the two sleepers 9 at intervals on the side edge of the railway track 8, when the railway track 8 is passed by a train, the train vibrates on the railway track 8, the sleepers 9 enable the track generator set arrays 3 on the side edge to generate electric energy through vibration, the electric energy generated through vibration charges a controlled battery pack 5, and when the electric energy of the battery pack 5 reaches a threshold value, the electric energy is transmitted to a power grid through an inverter 6.
As shown in fig. 3, the indoor monitoring host 1 is electrically connected to the outdoor controller 2 through an interface, issues a power supply instruction to the outdoor controller 2, and acquires work monitoring information through the outdoor controller 2; the rail bottom vibration trigger 4 is electrically connected with the outdoor controller 2 through a network and provides a trigger signal for the outdoor controller 2, and the indoor monitoring host 1 sends a battery charging instruction to the outdoor controller 2 after acquiring the trigger signal provided by the outdoor controller 2; each power generation module in the track generator set array 3 is connected with the outdoor controller 2 through a cable; the outdoor controller 2 is respectively connected with the battery pack 5 and the inverter 6 through cables, so that on one hand, electricity generated by the track generator set array 3 is filtered and supplied according to the charging specification of the battery pack 5; on the other hand, when the outdoor controller 2 receives a discharge command of the indoor monitoring host 1, the outdoor controller 2 controls the battery pack 5 to discharge, and electricity released by the battery pack 5 is converted into electricity of a specified system through the inverter 6 to supply power to the roadside equipment 7 for output.
As shown in fig. 4, the track-generator set array 3 includes: the vibration energy absorption unit is electrically and mechanically connected with the vibration energy conversion unit and the generator through the vibration energy transmission unit.
The vibrational energy absorbing unit includes: the mounting fixture 310, the shock absorber 311 and the short connecting rod 312 are arranged, and the upper end of the shock absorber 311 is fixedly connected with the bottom of the track through the mounting fixture 310; the lower end of the shock absorber 311 is fixedly connected with one end of the short connecting rod 312 through a bolt, the shock absorber of the vibration energy absorption unit is fixed at the bottom of the rail through a clamp, when a train passes through, the railway track 8 vibrates to enable the filtering part of the railway track to vibrate in high frequency through the shock absorber, and meanwhile, the acceleration and displacement with large low frequency are reserved for energy transfer.
The vibrational energy transfer unit includes: the upper transition plate 314, the lower transition plate 315, the support shaft 316, the bearing 317 and the support seat 318 are fixedly connected with one side of the lower transition plate 315; the upper transition plate 314 and the lower transition plate 315 are fixedly connected through bolts and clamped on an outer ring of a bearing 317, the inner ring of the bearing 317 is fixed on a support seat 318 through a support shaft 316, and the support seat 318 is fixed on a track bed through bolts; the other sides of the upper transition plate 314 and the lower transition plate 315 are connected with one end of the long connecting rod 313 through bolts, and the working process of the vibration energy transmission 7 unit is as follows: the shock absorber is installed on the connecting rod, the middle of the connecting rod is connected with the middle supporting seat 318 through the supporting shaft 316, the frequency filtering device generates vertical displacement after vibrating, the short connecting rod 312 is driven to vertically displace, meanwhile, the long connecting rod 313 generates reverse vertical vibration by taking the supporting seat 318 as the center, and the vibration energy of the railway track 10 is transmitted to the energy conversion device through the connecting rod.
The vibrational energy conversion unit includes: the device comprises an upper loose block 319, a lower loose block 320, a piston rod 321, a piston cylinder 322, a cylinder seat 324, a first electromagnetic valve 325, a second electromagnetic valve 326, a third electromagnetic valve 327, a fourth electromagnetic valve 328, a first check valve 329, a second check valve 330, a third check valve 331, a fourth check valve 332, a first turbine generator 333, a second turbine generator 334 and an oil cylinder 335; the vertical position of the long connecting rod 313 is fastened and fixed by an upper anti-loosening block 319 and a lower anti-loosening block 320; the piston rod 321 is connected to the upper anti-loose block 319 and the lower anti-loose block 320 through threads, is not in direct contact with the long connecting rod 313, and is fixedly connected with the piston 323; the piston cylinder 322 is in threaded connection with the cylinder base 324 and is used for adjusting the height of the piston cylinder 322; 4 solenoid valve interfaces are respectively arranged on the upper part and the lower part of the two sides of the piston cylinder 322: a first solenoid valve 325, a second solenoid valve 326, a third solenoid valve 327, a fourth solenoid valve 328, wherein: the first electromagnetic valve 325 is connected with the first one-way valve 329 through an oil pipe, the first one-way valve 329 is connected with the oil cylinder 335, the oil cylinder 335 is connected with the outlet D of the second turbine generator 334, the inlet C of the second turbine generator 334 is connected with the second one-way valve 330, and the second one-way valve 330 is connected with the second electromagnetic valve 326 to form a closed oil loop; the fourth electromagnetic valve 328 is connected with a fourth one-way valve 332 through an oil pipe, the fourth one-way valve 332 is connected with an inlet A of the first turbine generator 333, an outlet B of the first turbine generator 333 is connected with an oil cylinder 335, the oil cylinder 335 is connected with a third one-way valve 331, and the third one-way valve 331 is connected with a third electromagnetic valve 327 to form another closed oil loop; the working process of the vibration energy conversion unit is as follows: the long connecting rod 313 is connected with the piston rod 321, only vertical energy is transmitted, and vibration in other directions is filtered through a lost motion gap on the long connecting rod 313; when the long connecting rod 313 vertically vibrates, the piston rod 321 vertically vibrates, and the piston rod 321 vertically reciprocates; when the piston rod 321 moves downward to contact the piston 323, the piston presses the hydraulic oil to push the turbine generator blades 3336 of the second turbine generator 334 to rotate, and power generation is performed; when the piston rod 321 moves upward to contact the piston 323, the piston pressing hydraulic oil pushes the turbo generator blades 3336 of the first turbo generator 333 to rotate while generating electricity.
As shown in fig. 5, the first turbine generator 333 and the second turbine generator 334 have the same structure, and both include: turbine bearings 3331, turbine shaft 3332, turbine generator stator 3333, turbine generator rotor 3334, generator base 3335, turbine generator blades 3336, turbine generator output 3337, turbine chamber wall 3338; the turbine generator rotor 3334 is sleeved on the turbine shaft 3332, the turbine generator rotor 3334 is integrally arranged in the turbine generator stator 3333 and is coaxial with the turbine generator stator 3333, turbine bearings 3331 are arranged in the front and the rear of the turbine generator rotor 3334, the turbine generator stator 3333 is fixed on the generator base 3335, one end of the turbine generator rotor 3334 is provided with a turbine generator blade 3336, the turbine generator blade 3336 is fixed in the turbine cavity wall 3338, the first turbine generator 333 and the second turbine generator 334 are respectively connected with the output end of the vibration energy conversion unit, and the turbine generator output end 3337 of the first turbine generator 333 and the second turbine generator 334 is electrically connected with the input end of the inverter 6 and is connected with the power grid through the inverter 6.
Referring to fig. 1 to 6, the charging process of the present invention is: when the train is close to the area of the track generator set array 3, the railway track 8 vibrates to reach the trigger value of the rail bottom vibration trigger 4, and the trigger outdoor controller 2 of the trigger starts a charging mode; when a train passes through the area of the track generator set array 3, the bottom of the railway track 8 between the two sleepers 9 vibrates vertically to generate large displacement, the vibration absorber 311 vibrates and generates vertical vibration and displacement when the railway track 8 vibrates, a large-stiffness spring is arranged in the vibration absorber 311, a filtering part of the spring vibrates in high frequency when the spring vibrates in response, and meanwhile, acceleration and displacement with large low frequency are reserved for energy transfer; the shock absorber 311 vertically displaces to drive the short connecting rod 312, the upper transition plate 314, the lower transition plate 315 and the long connecting rod 313 which are fixedly connected with the shock absorber to perform seesaw motion around a supporting shaft 316 at the center of a bearing 317 on a supporting seat 318, namely when the short connecting rod 312 moves downwards, the long connecting rod 313 moves upwards, otherwise when the short connecting rod 312 moves upwards, the long connecting rod 313 moves downwards, and the amplification of the vertical displacement of the long connecting rod 313 is realized according to the length ratio of the short connecting rod 312 to the long connecting rod 313, so as to meet the stroke requirement of the energy conversion device 31 on driving; the long connecting rod 313 tightly clamps the upper plane and the lower plane through the upper anti-loosening block 319 and the lower anti-loosening block 320, when the long connecting rod 313 vertically moves upwards, the long connecting rod drives the piston rod 321 to vertically move upwards, on one hand, hydraulic oil in the upper cavity of the piston cylinder 322 compressed by the piston 323 flows into the inlet A of the first turbine generator through the fourth electromagnetic valve 328 and the fourth one-way valve 332 to drive the first turbine generator 3337 to rotate and drive the generator rotor 3334 to rotate for power generation, the hydraulic oil flows out of the outlet B of the turbine cavity wall 3338 and enters the oil cylinder 335, on the other hand, the pressure in the lower cavity of the piston cylinder 322 is reduced, and the hydraulic oil flows into the lower cavity of the piston cylinder 322 from the oil cylinder 335 through the third one-way valve 331 and the third electromagnetic valve 327.
When the long connecting rod 313 displaces vertically downwards, it drives the piston rod 321 to move vertically downwards, on one hand, the piston 323 compresses the lower cavity of the piston cylinder 322, so that the hydraulic oil flows to the inlet C of the second turbine generator 334 through the second electromagnetic valve 326 and the second one-way valve 330, and the hydraulic oil pushes the turbine generator blades 3336 of the second turbine generator 334 to rotate and drives the turbine generator rotor 3334 to rotate to generate electricity; on the other hand, hydraulic oil is fed from the oil cylinder 355 through the first check valve 329 and the first solenoid valve 325 into the upper chamber of the piston cylinder 322.
The outdoor controller 2 controls the first solenoid valve 325, the second solenoid valve 326, the third solenoid valve 327, and the fourth solenoid valve 328, and the pressure of the hydraulic oil is adjusted by the path to adjust the rotation speeds of the first turbine generator 333 and the second turbine generator 334, thereby controlling the output of the generators, and the output electric power controls the charging of the battery through the outdoor controller 2.
The discharge process of the invention is as follows: the indoor monitoring host 1 sends an instruction of external power supply to the outdoor controller 2, and the outdoor controller 2 controls the battery pack 5 to discharge; after the battery pack 5 is discharged, current flows to the inverter 6 through the outdoor controller 2, and direct current is converted into alternating current matched with the system of the roadside equipment 7 for output.
Referring to fig. 7, the working flow and steps of the present invention are as follows:
firstly, when a train is close to a track generator set array 3 area, after the vibration of a railway track 8 reaches a trigger value of a rail bottom vibration trigger 4, a trigger outdoor controller 2 of the rail bottom vibration trigger 4 starts a battery pack 5 charging mode;
the second step, outdoor controller 2 inquires serial number, state and the electric quantity of group battery 5, judges whether need to charge through the electric quantity of group battery 5:
(2a) when the outdoor controller 2 judges that the state of the battery pack 5 is abnormal or charging is not required, the outdoor controller 2 closes all charging channels;
(2b) when the outdoor controller 2 judges that the state of the battery pack 5 is normal and the battery pack needs to be charged, the outdoor controller 2 selectively opens one or more groups of charging channels of the numbered battery packs 5 to charge according to the electric quantity saturation degree of the battery;
thirdly, when the train passes through the area of the track generator set array 3, the short connecting rod 312 and the long connecting rod 313 are driven to perform warping movement around the axis of the supporting seat 318 by the vertical displacement generated by the vibration of the railway track 8, and the directions are opposite in the vertical direction; when the long connecting rod 313 displaces downwards, the piston rod 321 is driven to move downwards, and the piston 323 extrudes hydraulic oil in the lower cavity of the piston cylinder 322 to drive the turbine generator 3337 to rotate so as to convert the rotary mechanical energy into electric energy; when the long connecting rod 313 moves upwards, the piston rod 321 is driven to move upwards, and the piston 323 extrudes hydraulic oil on the upper cavity of the piston cylinder 322 to drive the turbine generator 3337 to rotate so as to convert the rotary mechanical energy into electric energy;
fourthly, the outdoor controller 2 adjusts the pressure of the hydraulic oil through controlling the drift diameter of the electromagnetic valve to adjust the rotating speed of the turbine generator 3337, and controls the output of the generator to charge the battery pack 5;
fifthly, when the train is far away from the area of the track generator set array 3 and the vibration of the railway track 8 is lower than the trigger value of the rail bottom vibration trigger 4, the outdoor controller 2 closes the charging mode of the battery pack 5;
sixthly, the indoor monitoring host 1 sends an instruction of supplying power to the outdoor controller 2, and the outdoor controller 2 starts a discharging mode of the battery pack 5;
seventhly, the outdoor controller 2 inquires the number and the electric quantity of the battery pack 5, and judges whether the external power supply is available according to the electric quantity of the battery pack 5:
(7a) when the outdoor controller 2 judges that the electric quantity is low and the external power supply cannot be carried out, the outdoor controller 2 feeds back the information of the incapability of power supply to the indoor monitoring host 1 and waits for a further instruction;
(7b) when the outdoor controller 2 judges that power can be supplied to the outside, the outdoor controller 2 selectively opens the discharge channel of one or more numbered battery packs 5 according to the inquired battery electric quantity saturation degree;
and eighthly, after the battery pack 5 discharges, the current passes through the outdoor controller 2 and the inverter 6 respectively, and finally the direct current is converted into matched alternating current to supply power to the roadside equipment.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A hydraulic power generation system based on rail vibration is characterized in that: the method comprises the following steps: railway rails (8), sleeper (9), track generating set array (3) and train, indoor monitoring host computer (1), outdoor controller (2), rail end vibration trigger (4), multiunit track generating set array (3) are arranged at the side interval of railway rails (8) between two sleepers (9), when railway rails (8) have the train to pass through, the train is at the vibration that railway rails (8) produced, sleeper (9) make track generating set array (3) of side produce the electric energy through the vibration, the electric energy that the vibration produced charges to group battery (5) of control, when the electric energy of group battery (5) reached the threshold, carry the electric energy to the electric wire netting through inverter (6).
2. A hydraulic power generation system based on rail vibration according to claim 1, wherein: the indoor monitoring host (1) is electrically connected with the outdoor controller (2) through an interface, issues a power supply instruction to the outdoor controller (2), and acquires work monitoring information through the outdoor controller (2); the rail bottom vibration trigger (4) is electrically connected with the outdoor controller (2) through a network and provides a trigger signal for the outdoor controller (2), and after the indoor monitoring host (1) acquires the trigger signal provided by the outdoor controller (2), a battery charging instruction is issued to the outdoor controller (2); each power generation module in the track generator set array (3) is connected with the outdoor controller (2) through a cable; the outdoor controller (2) is respectively connected with the battery pack (4) and the inverter (6) through cables, so that on one hand, electricity generated by the track generator set array (3) is filtered and is supplied according to the charging specification of the battery pack (5); on the other hand, when the outdoor controller (2) receives a discharge command of the indoor monitoring host (1), the outdoor controller (2) controls the battery pack (5) to discharge, and electricity released by the battery pack (5) is converted into electricity of a specified system through the inverter (6) to supply power to the roadside equipment (7) for output.
3. A hydraulic power generation system based on rail vibration according to claim 1, wherein: the rail generator set array (3) comprises: the vibration energy absorption unit is electrically and mechanically connected with the vibration energy conversion unit and the generator through the vibration energy transmission unit.
4. A hydraulic power generation system based on rail vibration according to claim 3, wherein: the vibrational energy absorbing unit includes: the mounting fixture (310), the shock absorber (311) and the short connecting rod (312), wherein the upper end of the shock absorber (311) is fixedly connected with the bottom of the track (8) through the mounting fixture (310); the lower end of the shock absorber (311) is fixedly connected with one end of the short connecting rod (312) through a bolt, the shock absorber of the vibration energy absorption unit is fixed at the bottom of the rail through a clamp, when a train passes through, the railway track (8) vibrates, the filtering part of the railway track vibrates in high frequency through the shock absorber, and meanwhile, the high acceleration and displacement of low frequency are reserved for energy transfer.
5. A hydraulic power generation system based on rail vibration according to claim 3, wherein: the vibrational energy transfer unit includes: the device comprises an upper transition plate (314), a lower transition plate (315), a support shaft (316), a bearing (317) and a support seat (318), wherein one sides of the upper transition plate (314) and the lower transition plate (315) are fixedly connected; the upper transition plate (314) and the lower transition plate (315) are fixedly connected through bolts and clamped on an outer ring of a bearing (317), the inner ring of the bearing (317) is fixed on a supporting seat (318) through a supporting shaft (316), and the supporting seat (318) is fixed on a road bed through bolts; the other sides of the upper transition plate (314) and the lower transition plate (315) are connected with one end of a long connecting rod (313) through bolts, and the working process of the vibration energy transfer (7) unit is as follows: the shock absorber is installed on the connecting rod, is connected through back shaft (316) with intermediate strut seat (318) in the middle of the connecting rod, produces vertical displacement after the frequency filter equipment vibration, and it drives short connecting rod (312) vertical displacement, and long connecting rod (313) then use supporting seat (318) as the center to produce reverse vertical vibration simultaneously, and railway rails (8) vibration energy passes through the connecting rod and transmits to the energy conversion device on.
6. A hydraulic power generation system based on rail vibration according to claim 3, wherein: the vibrational energy conversion unit includes: the device comprises an upper anti-loosening block (319), a lower loosening block (320), a piston rod (321), a piston cylinder (322), a cylinder base (324), a first electromagnetic valve (325), a second electromagnetic valve (326), a third electromagnetic valve (327), a fourth electromagnetic valve (328), a first check valve (329), a second check valve (330), a third check valve (331), a fourth check valve (332), a first turbine generator (333), a second turbine generator (334) and an oil cylinder (335); the vertical position of the long connecting rod (313) is fastened and fixed by an upper anti-loose block (319) and a lower loose block (320); the piston rod (321) is connected to the upper anti-loosening block (319) and the lower anti-loosening block (320) through threads and is not directly contacted with the long connecting rod (313), and the piston rod (321) is fixedly connected with the piston (323); the piston cylinder (322) is in threaded connection with the cylinder base (324) and is used for adjusting the height of the piston cylinder (322); 4 solenoid valve interfaces are respectively arranged on the upper part and the lower part of the two sides of the piston cylinder (322): a first solenoid valve (325), a second solenoid valve (326), a third solenoid valve (327), a fourth solenoid valve (328), wherein: the first electromagnetic valve (325) is connected with the first one-way valve (329) through an oil pipe, the first one-way valve (329) is connected with the oil cylinder (335), the oil cylinder (335) is connected with the outlet D of the second turbine generator (334), the inlet C of the second turbine generator (334) is connected with the second one-way valve (330), and the second one-way valve (330) is connected with the second electromagnetic valve (326) to form a closed oil loop; the fourth electromagnetic valve (328) is connected with the fourth one-way valve (332) through an oil pipe, the fourth one-way valve (332) is connected with an inlet A of the first turbine generator (333), an outlet B of the first turbine generator (333) is connected with the oil cylinder (335), the oil cylinder (335) is connected with the third one-way valve (331), and the third one-way valve (331) is connected with the third electromagnetic valve (327) to form another closed oil loop; the working process of the vibration energy conversion unit is as follows: the long connecting rod (313) is connected with the piston rod (321), only vertical energy is transmitted, and vibration in other directions is filtered through a lost motion gap on the long connecting rod (313); when the long connecting rod (313) vibrates vertically, the piston rod (321) vibrates vertically, and the piston rod (321) reciprocates vertically; when the piston rod (321) moves downwards to contact the piston (323), the piston (323) presses hydraulic oil to push turbine generator blades (3336) of the second turbine generator (334) to rotate, and power generation is carried out simultaneously; when the piston rod (321) moves upward to contact the piston (323), the piston (323) presses hydraulic oil to push the turbine generator blades (3336) of the first turbine generator (333) to rotate and generate power.
7. A hydraulic power generation system based on rail vibration according to claim 3, wherein: the first turbine generator (333) and the second turbine generator (334) have the same structure, and both include: the turbine generator comprises a turbine bearing (3331), a turbine shaft (3332), a turbine generator stator (3333), a turbine generator rotor (3334), a generator base (3335), turbine generator blades (3336), a turbine generator output end (3337) and a turbine cavity wall (3338); the turbine generator rotor (3334) is sleeved on the turbine shaft (3332), the turbine generator rotor (3334) is integrally arranged in a turbine generator stator (3333) and coaxial with the turbine generator stator (3333), turbine bearings (3331) are arranged in front of and behind the turbine generator rotor (3334), the turbine generator stator (3333) is fixed on a generator base (3335), turbine generator blades (3336) are arranged at one end of the turbine generator rotor (3334), the turbine generator blades (3336) are fixed in a turbine cavity wall (3338), the first turbine generator (333) and the second turbine generator (334) are respectively connected with the output end of the vibration energy conversion unit, the turbine generator output ends (3337) of the first turbine generator (333) and the second turbine generator (334) are electrically connected with the input end of the inverter (6), and are connected with a power grid through the inverter (6).
8. A hydraulic power generation system based on rail vibration according to claim 1, wherein: the charging process is as follows: when a train is close to a track generator set array (3) area, the vibration of a railway track (8) reaches a trigger value of a rail bottom vibration trigger (4), and the trigger triggers an outdoor controller (2) to open a charging mode; when a train passes through a track generator set array (3), the bottom of a railway track (8) between two sleepers (9) vibrates vertically to generate large displacement, a vibration absorber (311) vibrates and generates vertical vibration and displacement when the railway track (8) vibrates, a large-stiffness spring is arranged in the vibration absorber (311), high-frequency vibration of a filtering part can be filtered when the spring responds to vibration, and the energy utilization rate is highest when the spring resonates at low frequency; the shock absorber (311) is vertically displaced to drive the short connecting rod (312), the upper transition plate (314), the lower transition plate (315) and the long connecting rod (313) which are fixedly connected with the shock absorber to perform seesaw motion around a supporting shaft (316) at the center of an upper bearing (317) of the supporting seat (318), namely, when the short connecting rod (312) moves downwards, the long connecting rod (313) moves upwards, otherwise, when the short connecting rod (312) moves upwards, the long connecting rod (313) moves downwards, and the amplification of the vertical displacement of the long connecting rod (313) is realized according to the length ratio of the short connecting rod (312) to the long connecting rod (313), so that the requirement of the energy conversion device (31) on the driving stroke is met; the long connecting rod (313) is clamped to the upper plane and the lower plane through the upper anti-loosening block (319) and the lower anti-loosening block (320), when the long connecting rod (313) moves vertically upwards, the long connecting rod drives the piston rod (321) to move vertically upwards, on one hand, hydraulic oil in an upper cavity of the piston cylinder (322) compressed by the piston (323) flows into an inlet A of the turbine generator A through the fourth electromagnetic valve (328) and the fourth one-way valve (332), so that the first turbine generator (3337) is pushed to rotate, the generator rotor (3334) is driven to rotate to generate electricity, the hydraulic oil flows out of an outlet B of a turbine cavity wall (3338) and enters the oil cylinder (335), on the other hand, the pressure of a lower cavity of the piston cylinder (322) is reduced, and the hydraulic oil flows into the lower cavity of the piston cylinder (322) from the oil cylinder (335) through the third one-way valve (331) and the third electromagnetic valve (327);
when the long connecting rod (313) vertically displaces downwards, the long connecting rod drives the piston rod (321) to vertically move downwards, on one hand, the piston (323) compresses the lower cavity of the piston cylinder (322) to enable hydraulic oil to flow to an inlet C of a second turbine generator (334) through a second electromagnetic valve (326) and a second one-way valve (330), and the hydraulic oil drives turbine blades of the second turbine generator (334) to rotate and drives a generator rotor to rotate to generate electricity; on the other hand, hydraulic oil enters an upper cavity of the piston cylinder (322) from the oil cylinder (355) through the first check valve (329) and the first electromagnetic valve (325);
the first electromagnetic valve (325), the second electromagnetic valve (326), the third electromagnetic valve (327) and the fourth electromagnetic valve (328) are controlled by the outdoor controller (2), the pressure of hydraulic oil is adjusted through a drift diameter, so that the rotating speeds of the first turbine generator (333) and the second turbine generator (334) are adjusted, the output of the generators is controlled, and the battery charging is controlled by the output electric power through the outdoor controller (2).
9. A hydraulic power generation system based on rail vibration according to claim 1, wherein: the process of transmitting the electric energy to the power grid through the inverter (6) is as follows: the indoor monitoring host (1) sends an instruction of supplying power to the outdoor controller (2), and the outdoor controller (2) controls the battery pack (5) to discharge; after the battery pack (5) discharges, current flows to the inverter (6) through the outdoor controller (2), and direct current is converted into alternating current matched with the system of the roadside equipment (7) for output.
10. A hydraulic power generation method based on rail vibration is characterized in that: the method comprises the following steps:
firstly, when a train is close to a track generator set array (3) area, and the vibration of the rail bottom reaches a trigger value of a track vibration trigger (4), the rail bottom vibration trigger (4) triggers an outdoor controller (2) to start a charging mode of a battery pack (5);
the second step, outdoor controller (2) inquiry group battery (5) serial number, state and electric quantity, judge whether need charge through the electric quantity of group battery (5):
(2a) when the outdoor controller (2) judges that the state of the battery pack (5) is abnormal or the battery pack does not need to be charged, the outdoor controller (2) closes all charging channels;
(2b) when the outdoor controller (2) judges that the battery pack (5) is in a normal state and needs to be charged, the outdoor controller (2) selectively opens the charging channels of one or more groups of numbered battery packs (5) according to the electric quantity saturation degree of the battery for charging;
thirdly, the train passes through the area of the track generator set array (3), the short connecting rod (312) and the long connecting rod (313) are driven to perform warping movement around the axis of the supporting seat (318) by the vertical displacement generated by the vibration of the railway track (8), and the directions are opposite in the vertical direction; when the long connecting rod (313) moves downwards, the piston rod (321) is driven to move downwards, and the piston (323) extrudes hydraulic oil in the lower cavity of the piston cylinder (322) to drive the turbine generator to rotate so as to convert the rotary mechanical energy into electric energy; when the long connecting rod (313) moves upwards, the piston rod (321) is driven to move upwards, and the piston (323) extrudes hydraulic oil on the upper cavity of the piston cylinder (322) to drive the turbine generator to rotate so as to convert the rotary mechanical energy into electric energy;
fourthly, the outdoor controller (2) adjusts the pressure of hydraulic oil through controlling the drift diameter of the electromagnetic valve to adjust the rotating speed of the turbine generator, and controls the output of the generator to charge the battery pack (5);
fifthly, when the train is far away from the area of the track generator set array (3) and the vibration of the railway track (8) is lower than the trigger value of the rail bottom vibration trigger (4), the outdoor controller (2) closes the charging mode of the battery pack (5);
sixthly, the indoor monitoring host (1) sends an instruction of supplying power to the outdoor controller (2), and the outdoor controller (2) starts a discharging mode of the battery pack (5);
seventhly, the outdoor controller (2) inquires the number and the electric quantity of the battery pack (5), and judges whether the external power supply can be performed through the electric quantity of the battery pack (5):
(7a) when the outdoor controller (2) judges that the electric quantity is low and the external power supply cannot be carried out, the outdoor controller (2) feeds back the information of the incapability of power supply to the indoor monitoring host (1) and waits for a further instruction;
(7b) when the outdoor controller (2) judges that power can be supplied to the outside, the outdoor controller (2) selectively opens a discharge channel of one or more numbered battery packs (5) according to the inquired battery electric quantity saturation degree;
and eighthly, after the battery pack (5) discharges, the current respectively passes through the outdoor controller (2) and the inverter (6), and finally the direct current is converted into matched alternating current to supply power to the roadside equipment.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012102598A2 (en) * | 2011-01-28 | 2012-08-02 | Mareomotrices De Energías Renovables, S.A. De C.V. | System for converting wave impact into energy using piezoelectric and other means |
| CN105863940A (en) * | 2016-05-17 | 2016-08-17 | 中国海洋大学 | Combined wave power generation device provided with oscillating buoys as well as measurement and control system and method of device |
| CN111313606A (en) * | 2020-03-06 | 2020-06-19 | 西南交通大学 | Heavy-duty railway track vibration energy collecting device based on space X-shaped mechanism |
| CN111794926A (en) * | 2020-06-30 | 2020-10-20 | 同济大学 | Energy recovery device and method based on rail vehicle vertical vibration excitation |
| CN214944687U (en) * | 2021-05-01 | 2021-11-30 | 西安铁路信号有限责任公司 | Hydraulic power generation system based on rail vibration |
-
2021
- 2021-05-01 CN CN202110486667.7A patent/CN113513438A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012102598A2 (en) * | 2011-01-28 | 2012-08-02 | Mareomotrices De Energías Renovables, S.A. De C.V. | System for converting wave impact into energy using piezoelectric and other means |
| CN105863940A (en) * | 2016-05-17 | 2016-08-17 | 中国海洋大学 | Combined wave power generation device provided with oscillating buoys as well as measurement and control system and method of device |
| CN111313606A (en) * | 2020-03-06 | 2020-06-19 | 西南交通大学 | Heavy-duty railway track vibration energy collecting device based on space X-shaped mechanism |
| CN111794926A (en) * | 2020-06-30 | 2020-10-20 | 同济大学 | Energy recovery device and method based on rail vehicle vertical vibration excitation |
| CN214944687U (en) * | 2021-05-01 | 2021-11-30 | 西安铁路信号有限责任公司 | Hydraulic power generation system based on rail vibration |
Non-Patent Citations (1)
| Title |
|---|
| 张瀚文;顾梦沁;陈浔俊;: "可变阻尼高速列车垂向液电式减振发电器", 山东工业技术, no. 10, 15 May 2017 (2017-05-15) * |
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