CN109448949A - A kind of impedance regulating and method of track circuit hollow coil - Google Patents
A kind of impedance regulating and method of track circuit hollow coil Download PDFInfo
- Publication number
- CN109448949A CN109448949A CN201811222155.4A CN201811222155A CN109448949A CN 109448949 A CN109448949 A CN 109448949A CN 201811222155 A CN201811222155 A CN 201811222155A CN 109448949 A CN109448949 A CN 109448949A
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- China
- Prior art keywords
- hollow coil
- conductive ring
- track circuit
- impedance
- hollow
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
Abstract
The present invention relates to the impedance regulatings and method of a kind of track circuit hollow coil, the regulating device includes hollow coil, the hollow coil is internally provided with conductive ring, the conductive ring is located in the magnetic field range of the hollow coil, and the holding plane of the conductive ring is parallel to the holding plane of hollow coil；The present invention adjusts size, shape, material and the relative position of conductive ring, can solve existing hollow coil bad adaptability the case where not changing hollow coil shape and electrical parameter, be difficult to the technical issues of adjusting by the way that conductive ring is arranged in hollow coil.
Description
Technical field
The present invention relates to track circuit technical field more particularly to a kind of impedance regulatings of track circuit hollow coil
And method.
Background technique
Track circuit is basis of signals safety equipment, is the circuit system constituted using rail as conductor.Railway wheelset
Track circuit electric topology structure can be changed after forming electrical connection by contacting with rail, check that section is occupied, checked to reach
Rail integrality transmits the functions such as information to mobile unit.
Hollow coil is a kind of track circuit equipment, and setting can improve traction power supply return in electric railway.When
Between rail when traction current imbalance, traction current will flow through hollow coil, play the mesh of two rail traction currents of balance
's.The electric parameter of hollow coil has stringent index request, if electric parameter changes, may cause track circuit base
This function is lost, and is constituted a serious threat to traffic safety.
The most important index parameter of hollow coil is coil impedance, is hollow coil respectively under track circuit different frequency
Equivalent resistance and equivalent inductance value.It is all quicker to hollow coil resistance and inductance that track circuit tunes area's resonance impedance
Sense, this two indexs occur minor change, can directly affect track circuit safety, therefore the stability of coil index is very
It is important.
It for existing hollow coil, without effective impedance adjusting method, will lead to when coil resistance is smaller, it is difficult to full
Foot needs the requirement of the biggish hollow coil of resistance；The resistance and inductance value of distinct device factory production hollow resistance are variant, make
At later maintenance difficulty；It can only be adjusted for track circuit single-frequency, cannot achieve hollow coil of the same race and meet difference
The resistance and inductance index of circuit carrier frequency.
Summary of the invention
In order to solve existing hollow coil bad adaptability, be difficult to the technical issues of adjusting, and propose a kind of track electricity
The impedance regulating and method of road hollow coil.
A kind of impedance regulating of track circuit hollow coil, including hollow coil, the inside of the hollow coil are set
It is equipped with conductive ring, the conductive ring is located in the magnetic field range of the hollow coil, and the holding plane of the conductive ring is parallel to
The holding plane of hollow coil.
Further, the conductive ring and hollow coil are closed hoop.
Further, the outer diameter of the conductive ring is less than the internal diameter of hollow coil.
Further, the conductive ring is formed by conductive metal material coiling.
Further, center line symmetrical setting of the conductive ring about hollow coil.
A kind of impedance adjusting method of track circuit hollow coil, comprising:
Vortex is formed on the conductive ring；
Maintain the electrical parameter on the hollow coil constant；
The self-induction of the conductive ring, the mutual inductance of the conductive ring and the hollow coil are adjusted respectively and change the conduction
The self-resistance of circle and current vortex is adjusted；
The conductive ring can be sent out with the overall impedance parameter after the combination of the hollow coil with the change of current vortex
Changing obtains required impedance parameter.
Further, the impedance parameter includes effective resistance value and inductance value.
Further, the mutual inductance of the self-induction of the conductive ring, the conductive ring and the hollow coil and the conductive ring
Self-resistance by the size of the conductive ring, the shape of the conductive ring, the conductive ring placement location, described lead
The area of section of the material of electric circle and the conductive ring is adjusted.
A conductive ring is arranged in the inside of hollow coil in the present invention, can not change hollow coil shape and electrical parameter
In the case where, by change conductive ring resistance, self-induction and its with the mutual inductance of coil, may be implemented to change hollow coil and conductive ring
Overall electrical resistance parameter after combination, so that the hollow coil after changing has better applicability, enhancing hollow coil equipment
Balance, convenient for the safety of orbit keeping circuit.Other features and advantages of the present invention will be illustrated in the following description,
Also, partly as will become apparent from the description, or understand through the implementation of the invention.The purpose of the present invention and other
Advantage can be achieved and obtained by structure pointed in the specification, claims and drawings.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 shows the position view of conductive ring and air core coil；
Fig. 2 shows the schematic cross-sectional views of conductive ring and air core coil relative position；
Fig. 3 shows the impedance principle figure for adjusting hollow coil and conductive ring entirety.
Detailed description of the invention: 1- hollow coil；2- conductive ring.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention clearly and completely illustrated, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
A kind of impedance regulating and method of track circuit hollow coil are set in the inside of hollow coil 1 referring to Fig.1
It is equipped with a conductive ring 2, the outer diameter of conductive ring 2 is less than the internal diameter of hollow coil 1.Conductive ring 2 and hollow coil 1 are close ring
Shape, and conductive ring 2 is symmetrical about the center line of hollow coil 1, realizes conductive ring 2 at 1 inside of hollow coil, conductive ring 2 is each
Distance of the place apart from 1 inner wall of hollow coil is identical.
Conductive ring 2 is located in the magnetic field range of hollow coil 1, and the holding plane of conductive ring 2 is parallel to hollow coil 1
Holding plane.So that conductive ring 2 can constantly cut hollow coil 1 perpendicular to 1 magnetic line of force of hollow coil after hollow coil 1 is powered
The magnetic line of force, conductive ring 2 can generate vortex.Conductive ring 2 can become a ring of eddy, and since conductive ring 2 is closed hoop,
Current flow paths on conductive ring 2 are clear, consequently facilitating the entirety after design and adjustment hollow coil 1 and the combination of conductive ring 2
Resistance and inductance index.
Referring to Fig. 2, when conductive ring 2 is horizontally arranged, the vortex that conductive ring 2 generates can discharge and 1 magnetic direction of hollow coil
Opposite magnetic field, and then achieve the purpose that change effective resistance value and inductance after conductive ring 2 is combined with hollow coil 1.Meanwhile
Since 2 placement location of conductive ring changes such as: conductive ring 2 perpendicular to hollow coil 1 place when, can to cause combination after coil
Parameter, that is, effective resistance value and inductance change.It therefore can be by constantly changing the opposite position of conductive ring 2 Yu hollow coil 1
It sets, the optimum resistance value and resistance parameter of different track circuit systems is applicable in find coil after combination, when conductive ring 2 places water
When flat and distance apart from 1 top and bottom of core coil is identical, the upper lower branch parameter of built-up coil reaches balance, can obtain most
Good effective resistance value closes inductance value.
It is that current potential is symmetrically the same up and down in the perfect condition of track circuit system, maintenance makes track circuit in the state of the equilibrium
Operation.Since the midpoint of track circuit hollow equipment needs to be grounded, the balance of hollow coil equipment finally embodies overhead core wire
The effective resistance value of lower branch and inductance value are equal on circle 1, so that potential difference phase of the hollow coil 1 in track circuit system
Deng the parameter of the i.e. upper lower branch of hollow coil 1 is more equal, and hollow coil equipment more balances, and the track circuit system the symmetrical
It can be safer.
But existing hollow coil equipment is influenced by structure and technique, is unable to reach lower branch parameter on hollow coil 1
It is equal, it is that can not accomplish the upper lower half of each hollow coil 1 since lower branch parameter individual difference is larger on hollow coil 1
It is all symmetrical to enclose parameter.The present invention can be placed on this mode in position inside hollow coil 1 by change conductive ring 2 and reduce hollow
The intrinsic individual difference of coil 1 can make line after combining with the minor adjustments of 1 relative position of hollow coil by conductive ring 2
The upper lower branch effective resistance value of circle, the difference of inductance parameters significantly become smaller.
Therefore, the balance that coil after combining can be increased with the placement location of hollow coil 1 by conductive ring 2, from
And it has a distinct increment to track circuit system safety.
Referring to Fig. 3, the impedance methodologies of 2 entirety of hollow coil 1 and conductive ring are adjusted, include the following steps: 1, hollow coil 1
After energization, 1 magnetic field of hollow coil is formed；
2, conductive ring 2 can cut 1 magnetic field of hollow coil, form current vortex on conductive ring 2；
3, the current direction in the direction being vortexed and hollow coil 1 is conductive on the contrary, current vortex can generate 2 magnetic field of conductive ring
2 magnetic directions and 1 magnetic direction of hollow coil are enclosed on the contrary, 2 magnetic field of conductive ring and 1 magnetic field of hollow coil generation energy coupling, disappear
In addition to the portion of energy in 1 magnetic field of hollow coil；
4, it after the magnetic field energy of the energy and conductive ring 2 in 1 magnetic field of hollow coil offsets a part, reduces across hollow line
The whole magnetic flux of circle 1 and conductive ring 2, the 1 effective resistance parameter of hollow coil after causing combination become larger.
Increase conductive ring 2 in 1 magnetic field of hollow coil, this more similar no-load voltage ratio of structure is larger, secondary short circuit hollow becomes
Depressor.Self-induction, conduction of the parameter of effective resistance value and inductance value after hollow coil 1 and the combination of conductive ring 2 by conductive ring 2
Circle 2 and the mutual inductance of hollow coil 1, the influence of 2 self-resistance of conductive ring, realize that hollow coil 1 can preferably adapt to difference and want
The resistance and inductance index asked.
The self-induction size of conductive ring 2 is influenced by the size of conductive ring 2 and the shape of conductive ring 2, conductive ring 2 and hollow line
Circle 1 mutually experiences the relative position of conductive ring 2 and hollow coil 1, the size of conductive ring 2, the influence of the shape of conductive ring 2, leads
2 self-resistance value of electric circle is influenced by the cross sectional shape of 2 material of conductive ring, the perimeter of conductive ring 2 and conductive ring 2.
To sum up, the overall electrical resistance parameter of hollow coil 1 and conductive ring 2, do not change hollow coil 1 shape, size and
In the case where electrical parameter, by changing the size of conductive ring 2, shape, material and can be realized with the relative position of hollow coil 1
The adjustment of overall electrical resistance parameter.
Due to the horizontal positioned best modes of emplacement of the use of conductive ring 2 and hollow coil 1 in the present apparatus, when use, is conductive
Circle 2 and the position of hollow coil 1 immobilize；Conductive ring 2 considers production cost and practicability in process of production, compared to
The conductive materials such as iron, gold, silver, conductive ring 2 uses copper wire winding substantially, therefore the material that conductive ring 2 uses is basically unchanged, in order to
Influence of the size and shape of conductive ring 2 to 2 overall electrical resistance of hollow coil 1 and conductive ring is verified, record is as follows:
Table 1
Table 2
By Tables 1 and 2 it is found that using hollow coil 1 impedence tuning apparatus, can relatively accurately adjust hollow coil
1 resistance and inductance, entire impedance regulating have very strong adaptability.
Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should manage
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (8)
1. a kind of impedance regulating of track circuit hollow coil, including hollow coil (1),
Wherein,
The hollow coil (1) is internally provided with conductive ring (2), and the conductive ring (2) is located at the magnetic of the hollow coil (1)
In the range of field, the holding plane of the conductive ring (2) is parallel to the holding plane of hollow coil (1).
2. the impedance regulating of track circuit hollow coil according to claim 1, wherein
The conductive ring (2) and hollow coil (1) are closed hoop.
3. the impedance regulating of track circuit hollow coil according to claim 1, wherein
The outer diameter of the conductive ring (2) is less than the internal diameter of hollow coil (1).
4. the impedance regulating of track circuit hollow coil according to claim 1, wherein
The conductive ring (2) is formed by conductive metal material coiling.
5. the impedance regulating of track circuit hollow coil according to claim 1, wherein
The conductive ring (2) is symmetrical about the center line of hollow coil (1).
6. a kind of method for carrying out impedance adjusting using track circuit hollow coil described in claim 1, comprising:
Vortex is formed on the conductive ring (2)；
Maintain the electrical parameter on the hollow coil (1) constant；
The self-induction of the conductive ring (2), the mutual inductance of the conductive ring (2) and the hollow coil (1) are adjusted respectively and change institute
It states the self-resistance of conductive ring (2) and vortex is adjusted；
Overall impedance parameter after the combination of the conductive ring (2) and the hollow coil (1) can with the change of current vortex and
It changes, obtains required impedance parameter.
7. the impedance adjusting method of track circuit hollow coil according to claim 6, wherein
The impedance parameter includes effective resistance value and inductance value.
8. the impedance adjusting method of track circuit hollow coil according to claim 6, wherein
The self-induction of the conductive ring (2), the mutual inductance of the conductive ring (2) and the hollow coil (1) and the conductive ring (2)
Self-resistance by the size of the conductive ring (2), the shape of the conductive ring (2), the conductive ring (2) placement position
It sets, the area of section of the material of the conductive ring (2) and the conductive ring (2) is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222155.4A CN109448949A (en) | 2018-10-19 | 2018-10-19 | A kind of impedance regulating and method of track circuit hollow coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222155.4A CN109448949A (en) | 2018-10-19 | 2018-10-19 | A kind of impedance regulating and method of track circuit hollow coil |
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| CN109448949A true CN109448949A (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811222155.4A Pending CN109448949A (en) | 2018-10-19 | 2018-10-19 | A kind of impedance regulating and method of track circuit hollow coil |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237172A (en) * | 2010-04-26 | 2011-11-09 | 台湾积体电路制造股份有限公司 | Continuously tunable inductor with variable resistors |
| KR101719326B1 (en) * | 2017-02-21 | 2017-03-23 | 이정수 | Impedance Bond Winding Method Thereof |
| CN108140464A (en) * | 2015-08-07 | 2018-06-08 | 纽卡润特有限公司 | The individual layer multi-mode antenna of wireless power transmission is carried out for using magnetic coupling |
| CN209168847U (en) * | 2018-10-19 | 2019-07-26 | 北京全路通信信号研究设计院集团有限公司 | A kind of impedance regulating of track circuit hollow coil |
-
2018
- 2018-10-19 CN CN201811222155.4A patent/CN109448949A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237172A (en) * | 2010-04-26 | 2011-11-09 | 台湾积体电路制造股份有限公司 | Continuously tunable inductor with variable resistors |
| CN108140464A (en) * | 2015-08-07 | 2018-06-08 | 纽卡润特有限公司 | The individual layer multi-mode antenna of wireless power transmission is carried out for using magnetic coupling |
| KR101719326B1 (en) * | 2017-02-21 | 2017-03-23 | 이정수 | Impedance Bond Winding Method Thereof |
| CN209168847U (en) * | 2018-10-19 | 2019-07-26 | 北京全路通信信号研究设计院集团有限公司 | A kind of impedance regulating of track circuit hollow coil |
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