CN106169888A - Electricity getting device, method and electric supply installation under railway overhead contact line environment - Google Patents
Electricity getting device, method and electric supply installation under railway overhead contact line environment Download PDFInfo
- Publication number
- CN106169888A CN106169888A CN201610789264.9A CN201610789264A CN106169888A CN 106169888 A CN106169888 A CN 106169888A CN 201610789264 A CN201610789264 A CN 201610789264A CN 106169888 A CN106169888 A CN 106169888A
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- Prior art keywords
- contact line
- electric
- overhead contact
- railway overhead
- electricity getting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/06—Influence generators
- H02N1/08—Influence generators with conductive charge carrier, i.e. capacitor machines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The present invention provides a kind of electricity getting device, method and electric supply installation under railway overhead contact line environment, wherein, described electricity getting device includes electric conductor, is arranged at primary importance, and described primary importance is corresponding produces the position of electrostatic at electric field exposure produced with the energising of railway overhead contact line；Discharge module, it is connected on described electric conductor the electrostatic on described electric conductor does electric discharge output by wire, obtain pulsed discharge signal, further, it is also possible to this electricity getting device is carried out application obtain electric supply installation, the present invention has easy for installation, simple in construction, efficiency high, by directly providing continual and steady electric current for other equipment by the way of sensing power taking above railway contact line, provide a method having rail level equipment continued power, fill up the blank in this field.
Description
Technical field
The present invention relates to the power supply technique in railway administration, particularly relate to a kind of under railway overhead contact line environment
Electricity getting device, method and electric supply installation.
Background technology
During railway transport administration, there are many electronic equipments in track both sides and rail level, refer to for train monitoring, signal
Show, job scheduling etc..Commonly used wired power frequency ac voltage of powering these equipment at present is powered, and this power supply mode must
Supply line must be laid along Along Railway and voltage conversion relay is set at a certain distance, be used for compensating low-voltage circuit transmission
Electric energy loss.The power supply cost of existing this power supply mode is higher, has certain complexity on line construction simultaneously,
And the workload of later stage line upkeep is bigger.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of at railway overhead contact line ring
Electricity getting device, method and electric supply installation under border, is used for solving that power supply cost in existing railway line is higher, power supply construction complexity
And the problem that later stage line upkeep work difficulty is bigger.
For achieving the above object and other relevant purposes, the present invention provides techniques below scheme:
A kind of electricity getting device under railway overhead contact line environment, including: electric conductor, it is arranged at primary importance, described
Primary importance is corresponding produces the position of electrostatic at electric field exposure produced with the energising of railway overhead contact line；Discharge module,
It is connected on described electric conductor the electrostatic on described electric conductor does electric discharge output by wire, obtains pulsed discharge signal.
Preferably, described electric conductor is metallic conductor.
Preferably, described electric conductor is metal plate.
Preferably, described electric conductor is metal bar.
Preferably, the surface of described electric conductor is coated with an insulating barrier.
Preferably, described discharge module is discharge tube.
Present invention also offers a kind of electric supply installation under railway overhead contact line environment, including such as claim 1-6
According to any one of electricity getting device, and carry out transformation, rectification for pulsed discharge signal that described electricity getting device is exported
And after Filtering Processing, exporting the power adaptation output device of useful DC source, described power adaptation output device is connected to described
Electricity getting device.
Preferably, described power adaptation output device is at least by transformer module, rectification circuit module and filter circuit
Module is sequentially connected with the electric current multistep treatment circuit of composition.
Preferably, described power adaptation output device also includes a DC/DC power module, is connected to described filter circuit mould
Block.
Additionally, present invention also offers a kind of electricity-fetching method under railway overhead contact line environment, described method includes:
The electric conductor of one electric field exposure produced with the energising of railway overhead contact line is provided, described electric conductor produces electrostatic；Logical
Cross wire and be connected on described electric conductor receive described electrostatic, described electrostatic is done electric discharge output, obtains pulsed discharge signal.
As it has been described above, it is easy for installation to the method have the advantages that the present invention has, simple in construction, efficiency is high
Feature, by directly providing continual and steady electric current, conventional ferrum for other equipment by the way of sensing power taking above railway contact line
Road self-powered generally uses solaode, but solar powered has many weakness, and if dust more overcast and rainy than continuous several days,
Solaode is aging waits impact, therefore the invention provides a method having rail level equipment continued power, has filled up this
The blank in field.
Accompanying drawing explanation
Fig. 1 is shown as the schematic diagram of a kind of electricity getting device under railway overhead contact line environment of the present invention.
Fig. 2 is shown as present invention technical schematic diagram in the model of railway contact line.
Fig. 3 is shown as discharge module schematic diagram in one embodiment in the present invention.
Fig. 4 is shown as the schematic diagram of a kind of electric supply installation under railway overhead contact line environment of the present invention.
Fig. 5 is shown as the schematic diagram of power adaptation output device in the present invention.
Fig. 6 is a kind of application effect schematic diagram of a kind of electric supply installation under railway overhead contact line environment of the present invention.
Drawing reference numeral explanation
10 electricity getting devices
101 electric conductors
102 discharge modules
1021 first prongs
1022 second prongs
20 electric supply installations
201 power adaptation output devices
2011 transformer modules
2012 rectification circuit modules
2013 filter circuit moulds
2014 DC/DC power modules
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also be by the most different concrete realities
The mode of executing is carried out or applies, the every details in this specification can also based on different viewpoints and application, without departing from
Various modification or change is carried out under the spirit of the present invention.It should be noted that, in the case of not conflicting, following example and enforcement
Feature in example can be mutually combined.
It should be noted that the diagram provided in following example illustrates the basic structure of the present invention the most in a schematic way
Think, the most graphic in component count, shape and size time only display with relevant assembly in the present invention rather than is implemented according to reality
Drawing, during its actual enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change, and its assembly layout kenel is also
It is likely more complexity.
Embodiment 1
The present embodiment provides a kind of electricity getting device under railway overhead contact line environment, as it can be seen, this electricity getting device
10 include: electric conductor 101 and discharge module 102, and described electric conductor 101 is arranged at primary importance, and described primary importance correspondence exists
With the railway overhead contact line produced electric field exposure of energising and produce the position of electrostatic；Described discharge module 102 passes through wire
It is connected on described electric conductor 101 electrostatic on described electric conductor 101 does electric discharge output, obtains pulsed discharge signal.
Below the know-why of above-mentioned electricity getting device 10 is illustrated.
Such as Fig. 2, giving the modular concept figure of railway contact line, when railway overhead contact line place, alive circuit has alternation
During voltage, space is with the presence of electric field about, and at this moment spatial points has certain potential difference existence, makes to be positioned in this electric field
There is electrification phenomenon in conductor.As it can be seen, there is an electric conductor under railway contact line, it is specifically as follows one piece of metallic plate, gold
It is equivalent to there is one between genus plate and contact net and couples electric capacity (CL), the free electron under electric field action, in metallic plate
Steady shift will be made, cause the redistribution of electric charge, and make this metal sheet conductor present electriferous state, i.e. produce electrostatic sense
Should.
Now, there is capacitive coupling electric current IL, electrostatic induction voltage scale model Uo between metallic plate and railway contact line
For:
Meanwhile, according to capacitance of flat capacitance computation model: C=ε δ S/d, wherein, ε is that medium dielectric constant (is situated between relatively
Electric constant), δ is absolute dielectric constant=8.86 in vacuum × F/m, and S is that two-plate right opposite amasss, and d is vertical between two-plate
Distance.
Being derived by above-mentioned formula analysis, available electrostatic induction voltage Uo with static induced current Io computing formula is:
Wherein, ω is pulsation, generally 314；R is parallel conductor radius.Thus, it can be known that alive circuit is to attached
The size of the electrostatic induction voltage having the following characteristics that 1, producing on parallel conductor of the electrostatic induction impact of nearly dead line,
With square being inversely proportional to close to distance a；2, the size of electrostatic induced current is directly proportional to the length of Approach phase parallel conductor.
Above-mentioned electricity getting device utilizes railway overhead contact line ready-made in railway line produced electric field when energising, makes to put
Put the conductor in this electric field charged, under electric field action, i.e. make electric conductor static electrification, the most again with die-filling piece of electric discharge by institute
Stating electrostatic and do discharge process, obtain pulsed discharge signal, generally the voltage of this pulsed discharge signal can reach
Tens volts, by realizing after certain processing of circuit power electronic equipment various in railway line, this way to take power phase
Lower to existing power supply mode cost, eliminate the route arrangement of complexity, later maintenance is the easiest simultaneously.
In one embodiment, this electric conductor 101 can be preferably metallic conductor, and metallic conductor is easier in the electric field
Band electric forming electrostatic, and the efficiency of power supply can be met.Specifically, this metallic conductor can be metal plate or metal bar,
Preferably select metal plate, use metal plate to be more readily formed electrostatic, such that it is able to form the discharge effect of higher frequency,
Meet the requirement of power supplying efficiency.
In one embodiment, it is coated with an insulating barrier on metallic conductor surface, is used for preventing metallic conductor from externally putting
Electricity, can also improve the efficiency of static discharge simultaneously.
In one embodiment, described discharge module 102 can use discharge tube to realize, and discharge tube can be by purchasing
Buy and obtain, but this mode is relatively costly, there is certain service life.Preferably can use two just to setting
Prong realize, such as Fig. 3, the first prong 1021 and the second prong 1022, the first prong 1021 and the second prong can be included
Interval is just arranged by the tip of 1022, and wherein a tip of a root pin is used for being connected electrically on electric conductor 101 and collects from electric conductor 101
The electric charge that transfer comes, when charge accumulation is discharged by another tip of a root pin after a certain amount of, forms pulsed discharge signal.Second
The service life planting embodiment is shorter, but also the power supply processing circuit that can be disposed at the later stage (hereafter will specifically
Bright) in, form the device of integral type.
Embodiment 2
Seeing Fig. 4, the present embodiment provides a kind of electric supply installation under railway overhead contact line environment, and this electric supply installation 20 wraps
Include the electricity getting device 10 (including arbitrary preferred version) in above-described embodiment 1, and for the output of described electricity getting device 10
Pulsed discharge signal exports the power adaptation output device 201 of useful DC source, institute after carrying out transformation, rectification and Filtering Processing
State power adaptation output device 201 and be connected to described electricity getting device 10.
In being embodied as, the effect of this power adaptation output device 201 be pulsed discharge signal is processed so that
It can normally be used, and it is real that the process circuit that it is used can use existing process circuit or processing circuit module
Existing.
Such as, in one embodiment, seeing Fig. 5, this power adaptation output device 201 uses by transformer module
2011, rectification circuit module 2012 and filter circuit module 2013 are sequentially connected with the electric current multistep treatment circuit of composition and realize,
Wherein, the input of transformer module 2011 is connected to the discharge module 102 in described electricity getting device 10, described transformer module
The outfan of 2011 connects rectification circuit module 2012, and described filter circuit module 2013 is connected to described rectification circuit module,
Transformer module 2011, rectification circuit module 2012 and filter circuit module 2013 form multistep treatment circuit to be come pulsed discharge
Signal carries out transformation, rectification and Filtering Processing successively, then exports DC signal.More excellent, this transformer module can be
Step-down transformer, because by the AC signal that can obtain low voltage high current after pulsed discharge signal is carried out blood pressure lowering process,
So it is more conducive to late-class circuit carry out processing and obtain useful power supply signal.
In another specific embodiment, power adaptation output device 201 can also include DC/DC power module 2014, should
DC/DC power module 2014 is connected to filter circuit module end, for direct current signal carries out voltage stabilizing process of boosting, is had
The DC level output of effect.
Such as, in one embodiment, see Fig. 6, can so implement above-mentioned electric supply installation 20, as it can be seen, arranging
Installing an electric conductor 101 on the cabinet that railroad track is other, this electric conductor 101 is a metal plate, and this metal plate is placed in ferrum
In the electric field that road overhead contact line is formed, then this metal plate is connected to a power adaptation output device by wire
201, wherein, power adaptation output device 201 is provided with discharge module 102, and discharge module 102 fills with power adaptation output
Put 201 and be made into an integrated device.Then various in cabinet of power supply that power adaptation output device 201 exports are utilized
Power electronic equipment.
From the point of view of above-described embodiment 1 and 2, the invention provides a kind of power taking side under railway overhead contact line environment
Method, this electricity-fetching method can be realized by following steps:
S1, it is provided that the electric conductor of an electric field exposure produced with the energising of railway overhead contact line, on described electric conductor
Produce electrostatic；
S2, is connected on described electric conductor receive described electrostatic by wire, described electrostatic to be done electric discharge output,
To pulsed discharge signal.
In sum, the present invention has easy for installation, simple in construction, efficiency high, by directly contacting from railway
The mode of online face sensing power taking provides continual and steady electric current for other equipment, and conventional railway self-powered generally uses solar-electricity
Pond, but solar powered have many weakness, if the impact such as and dust more overcast and rainy than continuous several days, solaode be aging, because of
This invention provides a method having rail level equipment continued power, has filled up the blank in this field.So, the present invention has
Effect overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any ripe
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage knowing this technology.Cause
This, have usually intellectual such as complete with institute under technological thought without departing from disclosed spirit in art
All equivalences become are modified or change, and must be contained by the claim of the present invention.
Claims (10)
1. the electricity getting device under railway overhead contact line environment, it is characterised in that including:
Electric conductor, is arranged at primary importance, and described primary importance is corresponding at electric field produced with the energising of railway overhead contact line
Contact and produce the position of electrostatic；
Discharge module, is connected on described electric conductor the electrostatic on described electric conductor does electric discharge output by wire, obtains
Pulsed discharge signal.
Electricity getting device under railway overhead contact line environment the most according to claim 1, it is characterised in that: described conduction
Body is metallic conductor.
Electricity getting device under railway overhead contact line environment the most according to claim 1, it is characterised in that: described conduction
Body is metal plate.
Electricity getting device under railway overhead contact line environment the most according to claim 1, it is characterised in that: described conduction
Body is metal bar.
5. according to the electricity getting device under railway overhead contact line environment described in any one of claim 1-4, it is characterised in that:
The surface of described electric conductor is coated with an insulating barrier.
Electricity getting device under railway overhead contact line environment the most according to claim 1, it is characterised in that: described electric discharge
Module is discharge tube.
7. the electric supply installation under railway overhead contact line environment, it is characterised in that: include as arbitrary in claim 1-6
Electricity getting device described in Xiang, and carry out transformation, rectification and filtering for pulsed discharge signal that described electricity getting device is exported
Exporting the power adaptation output device of useful DC source after process, described power adaptation output device is connected to described power taking dress
Put.
Electric supply installation under railway overhead contact line environment the most according to claim 7, it is characterised in that: described power supply
Adaptive output device is that to be at least sequentially connected with, by transformer module, rectification circuit module and filter circuit module, the electric current constituted many
Level processes circuit.
Electric supply installation under railway overhead contact line environment the most according to claim 8, it is characterised in that: described power supply
Adaptive output device also includes a DC/DC power module, is connected to the end of described filter circuit module.
10. the electricity-fetching method under railway overhead contact line environment, it is characterised in that described electricity-fetching method includes:
The electric conductor of one electric field exposure produced with the energising of railway overhead contact line is provided, described electric conductor produces quiet
Electricity；
It is connected on described electric conductor receive described electrostatic by wire, described electrostatic is done electric discharge output, obtains pulse and put
The signal of telecommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789264.9A CN106169888A (en) | 2016-08-31 | 2016-08-31 | Electricity getting device, method and electric supply installation under railway overhead contact line environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789264.9A CN106169888A (en) | 2016-08-31 | 2016-08-31 | Electricity getting device, method and electric supply installation under railway overhead contact line environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106169888A true CN106169888A (en) | 2016-11-30 |
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ID=57376279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610789264.9A Pending CN106169888A (en) | 2016-08-31 | 2016-08-31 | Electricity getting device, method and electric supply installation under railway overhead contact line environment |
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| CN (1) | CN106169888A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070001A (en) * | 2017-05-10 | 2017-08-18 | 广东电网有限责任公司清远供电局 | Overhead transmission line electricity getting device and method |
| CN108566239A (en) * | 2018-04-27 | 2018-09-21 | 西南交通大学 | A kind of GSM-R Railway Mobile Radios System relays station and its application |
| CN109510323A (en) * | 2018-12-17 | 2019-03-22 | 广东电网有限责任公司 | A kind of contactless electricity getting device |
| CN112186818A (en) * | 2020-11-30 | 2021-01-05 | 中国电力科学研究院有限公司 | Device for carrying out high-potential on-line energy obtaining on high-voltage overhead line |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427280A (en) * | 2011-10-13 | 2012-04-25 | 华中科技大学 | Power supply suitable for medium-high voltage transmission lines |
| CN105048654A (en) * | 2015-09-06 | 2015-11-11 | 国家电网公司 | Electric field overhead line wireless energy taking device |
| CN205304271U (en) * | 2016-01-12 | 2016-06-08 | 上海汉佑电子科技有限公司 | Alternating current circuit field energy collection system of impedance characteristic based on transformer |
-
2016
- 2016-08-31 CN CN201610789264.9A patent/CN106169888A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427280A (en) * | 2011-10-13 | 2012-04-25 | 华中科技大学 | Power supply suitable for medium-high voltage transmission lines |
| CN105048654A (en) * | 2015-09-06 | 2015-11-11 | 国家电网公司 | Electric field overhead line wireless energy taking device |
| CN205304271U (en) * | 2016-01-12 | 2016-06-08 | 上海汉佑电子科技有限公司 | Alternating current circuit field energy collection system of impedance characteristic based on transformer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070001A (en) * | 2017-05-10 | 2017-08-18 | 广东电网有限责任公司清远供电局 | Overhead transmission line electricity getting device and method |
| CN108566239A (en) * | 2018-04-27 | 2018-09-21 | 西南交通大学 | A kind of GSM-R Railway Mobile Radios System relays station and its application |
| CN109510323A (en) * | 2018-12-17 | 2019-03-22 | 广东电网有限责任公司 | A kind of contactless electricity getting device |
| CN109510323B (en) * | 2018-12-17 | 2024-01-23 | 广东电网有限责任公司 | Non-contact electricity taking device |
| CN112186818A (en) * | 2020-11-30 | 2021-01-05 | 中国电力科学研究院有限公司 | Device for carrying out high-potential on-line energy obtaining on high-voltage overhead line |
| CN112186818B (en) * | 2020-11-30 | 2021-02-12 | 中国电力科学研究院有限公司 | Device for carrying out high-potential on-line energy obtaining on high-voltage overhead line |
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