CN105245130A - Device and method for collecting track vibration energy based on giant magnetostrictive rod - Google Patents
Device and method for collecting track vibration energy based on giant magnetostrictive rod Download PDFInfo
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- CN105245130A CN105245130A CN201510756235.8A CN201510756235A CN105245130A CN 105245130 A CN105245130 A CN 105245130A CN 201510756235 A CN201510756235 A CN 201510756235A CN 105245130 A CN105245130 A CN 105245130A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000006698 induction Effects 0.000 claims abstract description 10
- 230000001939 inductive effect Effects 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 241001669679 Eleotris Species 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 abstract 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 5
- 238000003306 harvesting Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
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- 230000018109 developmental process Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002999 depolarising effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000010926 waste battery Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/22—Methods relating to manufacturing, e.g. assembling, calibration
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- Manufacturing & Machinery (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a device and a method for collecting track vibration energy based on a giant magnetostrictive rod, which solve the problems of low conversion efficiency and difficult installation of the existing track vibration energy collecting technology. The device comprises an upper end cover and a lower end cover, wherein a circular groove for fixing a lower magnetic conducting block is formed in the lower end cover; the giant magnetostrictive rod is placed on the lower magnetic conducting block; a coil framework sleeves the giant magnetostrictive rod; an induction coil winds on the coil framework, and is externally connected with an adjusting circuit through a lead wire; an output end of the adjusting circuit is connected with an energy storage; a permanent magnet sleeves the coil framework; the bottom end of an input ejection rod is in contact with the giant magnetostrictive rod, and the top end is connected with an adjusting nut in a threaded manner; the upper end cover is connected with the lower end cover in a threaded manner; and a disk spring is arranged between a shaft shoulder of the input ejection rod and the upper end cover. The method provided by the invention is characterized in that: the energy storage and the device for collecting track vibration energy based on the giant magnetostrictive rod are installed between sleepers under a track; the adjusting nut is rotated to be in contact with the bottom surface of the track; and the giant magnetostrictive rod collects track vibration energy. The device and the method provided by the invention have the advantages of high energy conversion efficiency and convenient installation.
Description
Technical field
The present invention relates to a kind of device and method collecting track vibration energy based on giant magnetostrictive rod.
Background technology
In recent years, non-fragment orbit spread, non-fragment orbit Land leveling, without rubble place mat, is beneficial to the installation of various relevant device with fixing.The development of track traffic simultaneously, the trackside equipment such as wireless senser, radio-frequency coil is applied in signal system in large quantities and goes.Because electric power from far-off regions lacks, the supply of electric power is cumbersome and cost is higher, so these trackside equipment adopt powered battery mostly.But the life-span of battery is limited, its workload of battery and the cost of periodic replacement enormous amount often make us being difficult to bear; A large amount of waste batteries also brings irreversible pollution to environment; In addition, in the network of most trackside equipment, a lot of equipment is all installed in remote and narrow and small environment, artificial replacing battery relative difficulty.Due to some defects that conventional batteries itself exists, the researcher of various countries proposes harvest energy from trackside various surrounding environment, and object is replacement conventional batteries is that trackside equipment is powered.
Vibrate ubiquitous in living environment, vibrational energy has more the value of Collection and use, and is more convenient for collecting.Because track is not perfect rigidity, the factor such as the speed of service, vehicle handling capacity of passengers, track irregularity degree of rail vehicle encourages and induces track vibration in various degree.At present these vibrational energies major parts by rail, sleeper and roadbed absorb and consume invalidly.If can gather from track vibration and reclaim part energy, trackside equipment as power supply supply rail side uses, and the security monitoring for track is provided safeguard, and can also reduce the consumption of battery, the laying of cable or need not be reduced, reduce installation and maintenance expense.So the research of track vibration energy collecting device, not only there is economic benefit, also there is certain social benefit.
Research based on the vibration energy harvesting technology of giant magnetostrictive material has become a new focus in the world.Relative piezoelectric, there is not the Problem of Failure that depolarising causes in giant magnetostrictive material, there is not fatigue, problem of aging simultaneously, thus work more reliable; The electromechanical coupling factor of giant magnetostrictive material can reach 0.75 (piezoelectric ceramic PZT only has 0.3-0.4), and energy conversion efficiency is higher; Their magnetostrictive strain amount is large, is at room temperature greater than 0.15%, thus sensitiveer than piezoelectric, can produce higher voltage under less amplitude.
The domestic and international research for track vibration collection of energy at present is also in the starting stage, and concrete design is little, the research of the domestic design retrieved mainly Yuan Tian occasion and Qi Ji.
Yuan Tianchen etc. are (based on the track vibration energy-collecting method of piezoelectric ceramic, Urban Mass Transit, 2012, (12) a kind of track vibration collection of energy mode: 91-96.) proposed, piezoelectric type gatherer is installed between sleeper and railway roadbed, this design needs to destroy the structures such as original track, sleeper, railway roadbed, installs difficulty.
(the development of underground railway track vibration energy regeneration system such as Qi Ji, power-saving technology, 2011, (04): 315-318.) mode that a kind of cantilever beam carrys out harvest energy vibration is proposed, piezoelectric oscillator is installed on rail base, but only give simple introduction, be not described in detail.And due to beam type energy conversion efficiency not high, under applying to low frequency environments, have some limitations more.
Although two kinds of modes can collect track vibration energy to a certain extent, but in installation, maintenance, power conversion, operation environment etc., all there is certain limitation, can find out that the vibrational energy collector towards non-fragment orbit is not yet ripe, therefore, a kind of new vibrational energy collector solved the problem is needed in practice.
Summary of the invention
The present invention powers to solve trackside equipment, and produces for the vibrational energy on track and consume large problem, proposes a kind of high efficiency device and method collecting track vibration energy based on giant magnetostrictive rod.
The present invention is based on the device that giant magnetostrictive rod collects track vibration energy, comprise upper end cover, bottom end cover, wire guide, giant magnetostrictive rod, lower magnetic inductive block, coil rack, induction coil, permanent magnet, input push rod, adjusting nut and disk spring.Described bottom end cover offers the multiple bolts hole be uniformly distributed along the circumference; The center of bottom end cover offers circular groove, and lower magnetic inductive block is fixed in circular groove; Described giant magnetostrictive rod is placed on lower magnetic inductive block; Described coil rack is enclosed within giant magnetostrictive rod; Described induction coil is around on coil rack, and passes through the external regulating circuit of wire guide of bottom end cover, and regulating circuit exports termination mems device or accumulator; Described permanent magnet is placed on outside coil rack; The bottom of described input push rod contacts with giant magnetostrictive rod, and top and adjusting nut are threaded connection.Described upper end cover and bottom end cover are threaded connection; Disk spring is provided with between the shaft shoulder of input push rod and upper end cover; Described disk spring is provided with precompression.
The present invention is based on the method that giant magnetostrictive rod collects track vibration energy, concrete steps are as follows:
Step one, the device and accumulator of collecting track vibration energy based on giant magnetostrictive rod are installed between sleeper spaced between two below track, concrete installation process is as follows: collect based on giant magnetostrictive rod in the device of track vibration energy, lower magnetic inductive block and bottom end cover are fixed; Giant magnetostrictive rod is placed on lower magnetic inductive block, and outside is nested with coil rack; Induction coil is around on coil rack, and by the external regulating circuit of wire and accumulator; Permanent magnet is placed on outside coil rack; Upper end cover and bottom end cover are threaded connection; The bottom of input push rod contacts with giant magnetostrictive rod, and top and adjusting nut are threaded connection; Between the shaft shoulder of input push rod and upper end cover, disk spring is set; After the device general assembly of collecting track vibration energy based on giant magnetostrictive rod completes, bottom end cover is fixed on railway roadbed.
Step 2, by rotate adjusting nut make to contact completely between its with track bottom surface.
Step 3, giant magnetostrictive rod collect track vibration energy: when vibration occurs track, and the vibration pressure be subject to is passed to input push rod and giant magnetostrictive rod by adjusting nut.Giant magnetostrictive rod is due to the piezomagnetic effect generation changes of magnetic field of giant magnetostrictive material; Based on electromagnetic induction principle, the magnetic field of giant magnetostrictive rod change makes to produce induced electromotive force in the closed coil being connected to regulating circuit, thus externally exports electrical energy for storage in accumulator.
The beneficial effect that the present invention has:
The environment of the present invention's application is necessary for non-fragment orbit, and non-fragment orbit, without rubble place mat, can provide the installation environment that stable.The height change that the present invention produces when considering track installation, adopts the adjusting nut by inputting push rod top to carry out rotating the mode regulated, track bottom is contacted completely with vibration pickup.There is provided pretightning force by the mode compressing disk spring that is threaded of upper and lower end cap, the mode using torque wrench to screw, can control pretightning force accurately simultaneously.The vibrational energy that the present invention produces by utilizing track itself, what achieve on trackside equipment electric energy is self-sufficient, decreases the laying of cable and the consumption of battery, greatly strengthen reliability and the simplicity of trackside equipment.The present invention simultaneously does not need the structure changing track, sleeper, railway roadbed etc., and installs convenient fixing, is different from the piezoelectric type energy gatherer that need be installed on more before below sleeper, needs to carry out large-area reconstruction to track, increase the cost of I&M.Certainly, be also different from the piezoelectric type energy gatherer that some adopt cantilever beam, the energy conversion efficiency based on the piezoelectric type energy gatherer of cantilever beam is very low, and mainly for the collection in low-frequency vibration energy, has certain limitation.The present invention not only increases energy conversion efficiency, simultaneously applied range.
Accompanying drawing explanation
Fig. 1 is the structure cutaway view of apparatus of the present invention.
Fig. 2 is the installation site schematic diagram of apparatus of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, collect the device of track vibration energy based on giant magnetostrictive rod, comprise upper end cover 1, bottom end cover 3, wire guide 4, giant magnetostrictive rod 5, lower magnetic inductive block 6, coil rack 7, induction coil 8, permanent magnet 9, input push rod 10, adjusting nut 11 and disk spring 12.Six bolt hole 2 anchor bolts that bottom end cover 3 is uniformly distributed along the circumference are fixed on railway roadbed 18, and the center of bottom end cover offers circular groove, for fixing lower magnetic inductive block 6; Giant magnetostrictive rod 5 is placed on lower magnetic inductive block 6; Coil rack 7 is enclosed within giant magnetostrictive rod 5; Induction coil 8 is around on coil rack 7, and is external to regulating circuit by the wire guide 4 of bottom end cover, then outputs on mems device or accumulator 17; Permanent magnet 9 is placed on outside coil rack 7; The bottom of input push rod 10 contacts with giant magnetostrictive rod 5, and top and adjusting nut 11 are threaded connection.Upper end cover 1 and bottom end cover 3 are threaded connection; Disk spring 12 is provided with between the shaft shoulder of input push rod 10 and upper end cover; Disk spring 12 provides pretightning force for giant magnetostrictive rod 5.
Collect the method for track vibration energy based on giant magnetostrictive rod, concrete steps are as follows:
Step one, as illustrated in fig. 1 and 2, the device and accumulator 17 of collecting track vibration energy based on giant magnetostrictive rod are installed between sleeper 15 spaced between two below track 16, concrete installation process is as follows: collect in the device of track vibration energy based on giant magnetostrictive rod, and lower magnetic inductive block 6 is fixed with bottom end cover; Giant magnetostrictive rod 5 is placed on lower magnetic inductive block 6, and outside is nested with coil rack 7; Induction coil 8 is around on coil rack 7, and by the external regulating circuit of wire and accumulator 17; Permanent magnet 9 is placed on outside coil rack 7; Upper end cover 1 and bottom end cover 3 are threaded connection; The bottom of input push rod 10 contacts with giant magnetostrictive rod 5, and top and adjusting nut 11 are threaded connection; Between the shaft shoulder of input push rod 10 and upper end cover, disk spring 12 is set; After the device general assembly of collecting track vibration energy based on giant magnetostrictive rod completes, bottom end cover 3 is fixed on railway roadbed 18.
Step 2, making to contact completely between its with track bottom surface by rotating adjusting nut 11, to adapt to the change of different installing spaces, improving the efficiency of vibration energy harvesting.
Step 3, giant magnetostrictive rod collect track vibration energy: when vibration occurs track, and the vibration pressure be subject to is passed to input push rod 10 and giant magnetostrictive rod 5 by adjusting nut 11.Giant magnetostrictive rod 5 is due to the piezomagnetic effect generation changes of magnetic field of giant magnetostrictive material; Based on electromagnetic induction principle, the magnetic field that giant magnetostrictive rod 5 changes makes to produce induced electromotive force in the closed coil being connected to regulating circuit, thus externally exports electrical energy for storage in accumulator 17.
Claims (2)
1. collect the device of track vibration energy based on giant magnetostrictive rod, it is characterized in that: comprise upper end cover, bottom end cover, wire guide, giant magnetostrictive rod, lower magnetic inductive block, coil rack, induction coil, permanent magnet, input push rod, adjusting nut and disk spring; Described bottom end cover offers the multiple bolts hole be uniformly distributed along the circumference; The center of bottom end cover offers circular groove, and lower magnetic inductive block is fixed in circular groove; Described giant magnetostrictive rod is placed on lower magnetic inductive block; Described coil rack is enclosed within giant magnetostrictive rod; Described induction coil is around on coil rack, and passes through the external regulating circuit of wire guide of bottom end cover, and regulating circuit exports termination mems device or accumulator; Described permanent magnet is placed on outside coil rack; The bottom of described input push rod contacts with giant magnetostrictive rod, and top and adjusting nut are threaded connection; Described upper end cover and bottom end cover are threaded connection; Disk spring is provided with between the shaft shoulder of input push rod and upper end cover; Described disk spring is provided with precompression.
2. collect the method for track vibration energy based on giant magnetostrictive rod, it is characterized in that: the concrete steps of the method are as follows:
Step one, the device and accumulator of collecting track vibration energy based on giant magnetostrictive rod are installed between sleeper spaced between two below track, concrete installation process is as follows: collect based on giant magnetostrictive rod in the device of track vibration energy, lower magnetic inductive block and bottom end cover are fixed; Giant magnetostrictive rod is placed on lower magnetic inductive block, and outside is nested with coil rack; Induction coil is around on coil rack, and by the external regulating circuit of wire and accumulator; Permanent magnet is placed on outside coil rack; Upper end cover and bottom end cover are threaded connection; The bottom of input push rod contacts with giant magnetostrictive rod, and top and adjusting nut are threaded connection; Between the shaft shoulder of input push rod and upper end cover, disk spring is set; After the device general assembly of collecting track vibration energy based on giant magnetostrictive rod completes, bottom end cover is fixed on railway roadbed;
Step 2, by rotate adjusting nut make to contact completely between its with track bottom surface;
Step 3, giant magnetostrictive rod collect track vibration energy: when vibration occurs track, and the vibration pressure be subject to is passed to input push rod and giant magnetostrictive rod by adjusting nut; Giant magnetostrictive rod is due to the piezomagnetic effect generation changes of magnetic field of giant magnetostrictive material; Based on electromagnetic induction principle, the magnetic field of giant magnetostrictive rod change makes to produce induced electromotive force in the closed coil being connected to regulating circuit, thus externally exports electrical energy for storage in accumulator.
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| CN201510756235.8A CN105245130A (en) | 2015-11-09 | 2015-11-09 | Device and method for collecting track vibration energy based on giant magnetostrictive rod |
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| CN201510756235.8A CN105245130A (en) | 2015-11-09 | 2015-11-09 | Device and method for collecting track vibration energy based on giant magnetostrictive rod |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026776A (en) * | 2016-07-15 | 2016-10-12 | 沈阳工业大学 | Magnetostrictive film type tire vibration generation device |
| CN107436326A (en) * | 2017-08-29 | 2017-12-05 | 中铁第四勘察设计院集团有限公司 | Fault of construction Rapid non-destructive testing device and method under high-speed iron rail |
| CN107681755A (en) * | 2017-10-30 | 2018-02-09 | 鲁东大学 | A kind of bicycle-mounted electronic lock automatic power supply device |
| CN108037186A (en) * | 2017-11-29 | 2018-05-15 | 沈阳工业大学 | The passive rail failure detector of magnetostrictive thin film formula |
| CN108183627A (en) * | 2018-01-30 | 2018-06-19 | 沈阳航空航天大学 | Direction vibration energy collecting device based on giant magnetostrictive material |
| CN108448930A (en) * | 2018-03-02 | 2018-08-24 | 武汉理工大学 | Rail vibration energy collection device |
| CN109027706A (en) * | 2018-10-16 | 2018-12-18 | 杭州电子科技大学 | A kind of self-powered Monitoring Pinpelines device |
| CN110107647A (en) * | 2019-05-29 | 2019-08-09 | 杭州电子科技大学 | A kind of tower vibration decaying and conversion equipment |
| CN111041899A (en) * | 2019-12-03 | 2020-04-21 | 长安大学 | Intelligent power generation track slab based on magnetostrictive material |
| CN112683376A (en) * | 2021-01-12 | 2021-04-20 | 杭州电子科技大学 | Self-powered dynamic weighing device based on magnetostrictive material and working method |
| CN114123863A (en) * | 2021-11-29 | 2022-03-01 | 河北工业大学 | Pole formula magnetostrictive vibration energy collection system of two stick structures |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026776A (en) * | 2016-07-15 | 2016-10-12 | 沈阳工业大学 | Magnetostrictive film type tire vibration generation device |
| CN107436326A (en) * | 2017-08-29 | 2017-12-05 | 中铁第四勘察设计院集团有限公司 | Fault of construction Rapid non-destructive testing device and method under high-speed iron rail |
| CN107436326B (en) * | 2017-08-29 | 2023-04-25 | 中铁第四勘察设计院集团有限公司 | Rapid nondestructive detection device and method for structural defects under high-speed railway track |
| CN107681755A (en) * | 2017-10-30 | 2018-02-09 | 鲁东大学 | A kind of bicycle-mounted electronic lock automatic power supply device |
| CN108037186A (en) * | 2017-11-29 | 2018-05-15 | 沈阳工业大学 | The passive rail failure detector of magnetostrictive thin film formula |
| CN108037186B (en) * | 2017-11-29 | 2021-01-22 | 沈阳工业大学 | Magnetostrictive film type passive rail flaw detection device |
| CN108183627B (en) * | 2018-01-30 | 2019-10-01 | 沈阳航空航天大学 | Direction vibration energy collecting device based on giant magnetostrictive material |
| CN108183627A (en) * | 2018-01-30 | 2018-06-19 | 沈阳航空航天大学 | Direction vibration energy collecting device based on giant magnetostrictive material |
| CN108448930A (en) * | 2018-03-02 | 2018-08-24 | 武汉理工大学 | Rail vibration energy collection device |
| CN109027706A (en) * | 2018-10-16 | 2018-12-18 | 杭州电子科技大学 | A kind of self-powered Monitoring Pinpelines device |
| CN109027706B (en) * | 2018-10-16 | 2019-10-01 | 杭州电子科技大学 | A kind of self-powered Monitoring Pinpelines device |
| CN110107647A (en) * | 2019-05-29 | 2019-08-09 | 杭州电子科技大学 | A kind of tower vibration decaying and conversion equipment |
| CN111041899A (en) * | 2019-12-03 | 2020-04-21 | 长安大学 | Intelligent power generation track slab based on magnetostrictive material |
| CN111041899B (en) * | 2019-12-03 | 2022-03-04 | 长安大学 | Intelligent power generation track slab based on magnetostrictive material |
| CN112683376A (en) * | 2021-01-12 | 2021-04-20 | 杭州电子科技大学 | Self-powered dynamic weighing device based on magnetostrictive material and working method |
| CN114123863A (en) * | 2021-11-29 | 2022-03-01 | 河北工业大学 | Pole formula magnetostrictive vibration energy collection system of two stick structures |
| CN114123863B (en) * | 2021-11-29 | 2023-12-22 | 河北工业大学 | Column rod type magnetostriction vibration energy acquisition device with double-rod structure |
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