CN204341095U - A kind of tuning compensator of anti-crosstalk and track circuit - Google Patents
A kind of tuning compensator of anti-crosstalk and track circuit Download PDFInfo
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- CN204341095U CN204341095U CN201520005195.9U CN201520005195U CN204341095U CN 204341095 U CN204341095 U CN 204341095U CN 201520005195 U CN201520005195 U CN 201520005195U CN 204341095 U CN204341095 U CN 204341095U
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Abstract
The utility model relates to the tuning compensator of a kind of anti-crosstalk and track circuit, and the tuning compensator of described anti-crosstalk comprises an inductance and first electric capacity, and described inductance and described first capacitances in series connect and compose series unit.Also comprise second electric capacity, described second electric capacity and described series unit are connected in parallel.The impedance of tuning compensator described in the utility model to this track circuit frequency is equal to the impedance of track building-out capacitor, and performs the function of this track building-out capacitor; To the impedance of adjacent track circuit frequency close to zero, can be considered short circuit; The utility model effectively can prevent the appearance of the longitudinal crosstalk phenomenon of adjacent orbit frequency.
Description
Technical field
The utility model relates to technical field of rail traffic, particularly relates to the tuning compensator of a kind of anti-crosstalk and track circuit.
Background technology
As shown in Figure 1, in track circuit, two tuned cell BA and picture control coil SVA form an electrical insulation section of track circuit.A track circuit section is between two electrical insulation sections, equidistantly building-out capacitor is installed in track circuit section, because the isolation effect of existing electrical insulation section to track-circuit signalling is not good enough, in adjacent orbit, there is the longitudinal cross-interference issue of adjacent orbit frequency.This problem brings serious potential safety hazard to railway transportation, once process bad meeting to cause great personnel and property damage.
Utility model content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, provides the tuning compensator of a kind of anti-crosstalk and track circuit.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: the tuning compensator of a kind of anti-crosstalk, comprises an inductance and first electric capacity, and described inductance and described first capacitances in series connect and compose series unit.
The beneficial effects of the utility model are: the impedance of tuning compensator described in the utility model to this track circuit frequency is equal to the impedance of track building-out capacitor, and performs the function of this track building-out capacitor; To the impedance of adjacent track circuit frequency close to zero, can be considered short circuit; The utility model effectively can prevent the appearance of the longitudinal crosstalk phenomenon of adjacent orbit frequency.
On the basis of technique scheme, the utility model can also do following improvement.
Further, technique scheme also comprises second electric capacity, and described second electric capacity and described series unit are connected in parallel.
Further, technique scheme also comprises housing, and described series unit is fixed in described housing.
Further, technique scheme also comprises housing, and described second electric capacity and described series unit are fixed in described housing.
Another technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of track circuit, comprise at least two electrical insulation sections, it is a track circuit section between two electrical insulation sections, parallel connection at least two building-out capacitors between described two electrical insulation sections, each tuning compensator in parallel of each electrical insulation section bilateral.
Accompanying drawing explanation
Fig. 1 is prior art middle orbit electrical block diagram;
Fig. 2 is the circuit structure diagram of the utility model embodiment 1;
Fig. 3 is the circuit structure diagram of the utility model embodiment 2;
Fig. 4 is track circuit structural representation described in the utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, inductance, the 2, first electric capacity, the 3, second electric capacity, 4, housing.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 2, the tuning compensator of a kind of anti-crosstalk, comprises an inductance 1 and first electric capacity 2, and described inductance 1 is connected in series formation series unit with described first electric capacity 2.
This circuit is close to 0 in 2300Hz, 2600Hz impedance, is equivalent to short circuit; Be capacitive in 1700Hz, 2000Hz impedance, capacitance size determines according to the requirement of respective rail circuit.Technique scheme also comprises housing 4, and described series unit is fixed in described housing 4.
As shown in Figure 3, compared with embodiment 1, technique scheme also comprises second electric capacity 3, and described second electric capacity 3 is connected in parallel with described series unit.Technique scheme also comprises housing 4, and described second electric capacity and described series unit are fixed in described housing 4.
This circuit is close to 0 in 1700Hz, 2000Hz impedance, is equivalent to short circuit; Be capacitive in 2300Hz, 2600Hz impedance, capacitance size determines according to the requirement of respective rail circuit.
A kind of track circuit, comprises the tuning compensator described in technique scheme.
The utility model relates to the tuning compensator of the Four types such as DBA17, DBA20, DBA23 and DBA26.The impedance of tuning compensator described in the utility model to this track circuit frequency is equal to the impedance of track building-out capacitor, and performs the function of this track building-out capacitor; To the impedance of adjacent track circuit frequency close to zero, can be considered short circuit; The utility model effectively can prevent the appearance of the longitudinal crosstalk phenomenon of adjacent orbit frequency.
Tuning compensator described in the utility model is the important technology accessory that ZPW-2000 series jointless track circuit matches, be directly connected to automatically close up, On-board System of Cab Signal equipment and train overspeed protection system safe and reliable operation, can meet the operating needs of the track circuit such as ZPW-2000A (large iron or high ferro), ZPW-2000R, MPB-2000G, UM71, WG-21A, and the longitudinal crosstalk protection effect of adjacent orbit frequency is obvious.
As shown in Figure 4, a kind of track circuit, comprising at least two electrical insulation sections, is a track circuit section between two electrical insulation sections, parallel connection at least two building-out capacitors between described two electrical insulation sections, each tuning compensator BCQ in parallel of each electrical insulation section bilateral.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the tuning compensator of anti-crosstalk, is characterized in that, comprises an inductance and first electric capacity, and described inductance and described first capacitances in series connect and compose series unit.
2. the tuning compensator of a kind of anti-crosstalk according to claim 1, it is characterized in that, also comprise second electric capacity, described second electric capacity and described series unit are connected in parallel.
3. the tuning compensator of a kind of anti-crosstalk according to claim 1, it is characterized in that, also comprise housing, described series unit is fixed in described housing.
4. the tuning compensator of a kind of anti-crosstalk according to claim 2, it is characterized in that, also comprise housing, described second electric capacity and described series unit are fixed in described housing.
5. a track circuit, comprise at least two electrical insulation sections, it is a track circuit section between two electrical insulation sections, it is characterized in that, parallel connection at least two building-out capacitors between described two electrical insulation sections, each tuning compensator of anti-crosstalk according to any one of claim 1-4 in parallel of each electrical insulation section bilateral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520005195.9U CN204341095U (en) | 2015-01-05 | 2015-01-05 | A kind of tuning compensator of anti-crosstalk and track circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520005195.9U CN204341095U (en) | 2015-01-05 | 2015-01-05 | A kind of tuning compensator of anti-crosstalk and track circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204341095U true CN204341095U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520005195.9U Active CN204341095U (en) | 2015-01-05 | 2015-01-05 | A kind of tuning compensator of anti-crosstalk and track circuit |
Country Status (1)
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| CN (1) | CN204341095U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106817108A (en) * | 2017-01-06 | 2017-06-09 | 上海铁路通信有限公司 | A kind of tuned cell circuit for improving stability |
| CN107985129A (en) * | 2017-10-19 | 2018-05-04 | 北京全路通信信号研究设计院集团有限公司 | Insulation joint |
| CN107985130A (en) * | 2017-10-19 | 2018-05-04 | 北京全路通信信号研究设计院集团有限公司 | Insulation joint |
| CN107985131A (en) * | 2017-10-19 | 2018-05-04 | 北京全路通信信号研究设计院集团有限公司 | Insulation joint |
| CN108092269A (en) * | 2017-11-28 | 2018-05-29 | 北京全路通信信号研究设计院集团有限公司 | A kind of device with harmonics restraint |
-
2015
- 2015-01-05 CN CN201520005195.9U patent/CN204341095U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106817108A (en) * | 2017-01-06 | 2017-06-09 | 上海铁路通信有限公司 | A kind of tuned cell circuit for improving stability |
| CN106817108B (en) * | 2017-01-06 | 2020-05-22 | 上海铁路通信有限公司 | Tuning unit circuit capable of improving stability |
| CN107985129A (en) * | 2017-10-19 | 2018-05-04 | 北京全路通信信号研究设计院集团有限公司 | Insulation joint |
| CN107985130A (en) * | 2017-10-19 | 2018-05-04 | 北京全路通信信号研究设计院集团有限公司 | Insulation joint |
| CN107985131A (en) * | 2017-10-19 | 2018-05-04 | 北京全路通信信号研究设计院集团有限公司 | Insulation joint |
| CN107985131B (en) * | 2017-10-19 | 2020-01-10 | 北京全路通信信号研究设计院集团有限公司 | Insulating joint |
| CN107985129B (en) * | 2017-10-19 | 2020-01-10 | 北京全路通信信号研究设计院集团有限公司 | Insulating joint |
| CN107985130B (en) * | 2017-10-19 | 2020-01-10 | 北京全路通信信号研究设计院集团有限公司 | Insulating joint |
| CN108092269A (en) * | 2017-11-28 | 2018-05-29 | 北京全路通信信号研究设计院集团有限公司 | A kind of device with harmonics restraint |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |