CN219007827U - Insulation joint and circuit for ZPW-2000A non-insulation frequency-shift automatic blocking - Google Patents
Insulation joint and circuit for ZPW-2000A non-insulation frequency-shift automatic blocking Download PDFInfo
- Publication number
- CN219007827U CN219007827U CN202123445140.4U CN202123445140U CN219007827U CN 219007827 U CN219007827 U CN 219007827U CN 202123445140 U CN202123445140 U CN 202123445140U CN 219007827 U CN219007827 U CN 219007827U
- Authority
- CN
- China
- Prior art keywords
- unit
- traction
- zpw
- resonance
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model discloses an insulation joint and a circuit for ZPW-2000A non-insulation frequency-shift automatic blocking, wherein the insulation joint comprises: the device comprises a resonance unit, a first traction balance unit and a second traction balance unit; the resonance unit, the first traction balance unit and the second traction balance unit are connected in parallel with the track circuit between the two adjacent sections, and the first traction balance unit comprises: the first inductor, the second traction balance unit includes: and a fourth inductor. In the scheme, the resonance units are used for preventing the frequency shift signal of the track circuit of the adjacent section from being transmitted in a cross-zone mode, and the traction balancing units are used for balancing the traction reflux between two steel rails, and the number of the traction balancing units is two; in this way, the traction reflux can be further optimized to maintain the balance function on the basis of guaranteeing the function of isolating signals with different frequencies from adjacent sections of the non-insulated track circuit, and the scheme also has the characteristics of simple structure, obvious effect, convenience in popularization and the like.
Description
Technical Field
The utility model relates to the technical field of track circuits, in particular to an insulation joint and a circuit for ZPW-2000A non-insulation frequency-shifting automatic blocking.
Background
The insulating joint in the non-insulated track circuit can be used for realizing electrical isolation in the adjacent track circuit, ensuring smooth transmission of signals of the section and simultaneously ensuring balance of traction reflux, so that the non-insulated track circuit is an important component part in the non-insulated track circuit.
However, the current insulation joint is complex in structure and has a poor function of balancing traction reflux between two rails.
Disclosure of Invention
In view of the above, the utility model provides an insulation joint for ZPW-2000A non-insulation frequency-shifting automatic blocking, which can further optimize traction reflux to maintain a balance function on the basis of ensuring that adjacent sections of a non-insulation track circuit isolate different frequency signals, and has the characteristics of simple structure, obvious effect, convenience in popularization and the like.
The utility model also provides a circuit applying the insulating joint for the ZPW-2000A non-insulating frequency-shifting automatic blocking.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an insulated joint for ZPW-2000A uninsulated frequency shift automatic occlusion, comprising: the device comprises a resonance unit, a first traction balance unit and a second traction balance unit;
the resonant unit, the first traction balancing unit and the second traction balancing unit are connected in parallel with a track circuit between two adjacent sections, and the first traction balancing unit includes: a first inductor, the second traction balancing unit comprising: and a fourth inductor.
Preferably, the resonance unit includes: a first resonance unit and a second resonance unit;
the first resonance unit, the first traction balance unit, the second traction balance unit and the second resonance unit are sequentially connected in parallel with the track circuit between two adjacent sections.
Preferably, the first resonance unit includes: a first capacitor and a second inductor connected in series.
Preferably, the second resonance unit includes: a third inductor, a second capacitor and a third capacitor, wherein the second capacitor is connected in series with the third inductor and then connected in parallel with the third capacitor.
Preferably, the distance between the first resonance unit and the first traction balance unit is a first preset distance l 1 The method comprises the steps of carrying out a first treatment on the surface of the The distance between the second traction balance unit and the second resonance unit is a second preset distance l 2 The method comprises the steps of carrying out a first treatment on the surface of the The distance between the first traction balance unit and the second traction balance unit is a third preset distance l 3 。
Preferably, the first preset distance l 1 8-10 m.
Preferably, the second preset distance l 2 8-10 m.
Preferably, the third preset distance l 3 5-8 m.
Preferably, the method further comprises: a first port and a second port;
the first end of the first port is connected to the first traction balance unit, the first end of the second port is connected to the second traction balance unit, one of the second end of the first port and the second end of the second port is used for being connected with a transmitting side unit of the track circuit, and the other is used for being connected with a receiving side unit of the track circuit.
A circuit, comprising: and the insulating joint is the insulating joint for ZPW-2000A non-insulating frequency-shifting automatic blocking.
According to the technical scheme, in the insulating joint for ZPW-2000A non-insulating frequency-shifting automatic blocking, the resonance unit is used for preventing the frequency-shifting signal of the track circuit of the adjacent section from being transmitted in a cross-zone mode, and the traction balancing unit is used for balancing the traction reflux between two steel rails, and the number of the traction balancing units is two; in this way, the traction reflux can be further optimized to maintain the balance function on the basis of guaranteeing the function of isolating signals with different frequencies from adjacent sections of the non-insulated track circuit, and the scheme also has the characteristics of simple structure, obvious effect, convenience in popularization and the like.
The utility model also provides a circuit, which has the corresponding beneficial effects due to the adoption of the insulating joint for the ZPW-2000A non-insulating frequency-shifting automatic blocking, and the specific reference can be made to the previous description, and the details are not repeated.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a tuning area of an insulation joint for ZPW-2000A insulation-free frequency-shift automatic blocking according to an embodiment of the present utility model.
Wherein 10 is a first traction balance unit, 20 is a second traction balance unit, 30 is a first resonance unit, 40 is a second resonance unit, 50 is a first port, and 60 is a second port;
l1 is a first inductor, L2 is a second inductor, L3 is a third inductor, L4 is a fourth inductor, C1 is a first capacitor, C2 is a second capacitor, and C3 is a third capacitor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The ZPW-2000A insulation joint for non-insulation frequency-shift automatic blocking provided by the embodiment of the utility model, as shown in figure 1, comprises: a resonance unit, a first traction balancing unit 10 and a second traction balancing unit 20;
the resonant unit, the first traction balancing unit 10 and the second traction balancing unit 20 are connected in parallel in a track circuit between adjacent two sections, and the first traction balancing unit 10 includes: the first inductor L1, the second traction balancing unit 20 includes: fourth inductor L4.
In this scheme, it should be noted that, the resonance unit is used to prevent the cross-zone transmission of the signals of the track circuits with different frequencies in the adjacent sections; in addition, each traction balance unit in the scheme is designed so that the traction balance unit has low impedance to traction reflux signals, and is further used for balancing traction current between two steel rails; and the number of the traction balance units is two, so that the traction reflux can be further optimized to maintain the balance function.
From the above technical solution, it can be seen that in the insulated section for ZPW-2000A non-insulated frequency-shift automatic blocking provided in the embodiments of the present utility model, the resonant unit is used to prevent the frequency-shift signal transmission of the track circuit in the adjacent section, and the traction balancing unit is used to balance the traction reflux between two rails, and the number of the traction balancing units is two; in this way, the traction reflux can be further optimized to maintain the balance function on the basis of guaranteeing the function of isolating signals with different frequencies from adjacent sections of the non-insulated track circuit, and the scheme also has the characteristics of simple structure, obvious effect, convenience in popularization and the like.
In this scheme, as shown in fig. 1, the resonance unit includes: a first resonance unit 30 and a second resonance unit 40;
the first resonance unit 30, the first traction balancing unit 10, the second traction balancing unit 20, and the second resonance unit 40 are sequentially connected in parallel to the track circuit between the adjacent two sections. Wherein the first traction balancing unit 10 and the second traction balancing unit 20 are both located between the first resonance unit 30 and the second resonance unit 40. That is, in the present solution, the first resonant unit 30 and the second resonant unit 40 are respectively distributed at both sides of the track circuit between two adjacent sections, and the first traction balancing unit 10 and the second traction balancing unit 20 are distributed in the middle of the track circuit between two adjacent sections; the scheme is designed so as to form the effects of isolating signals with different frequencies in two adjacent sections on two sides (preventing the signals of track circuits with different frequencies in two adjacent sections from being transmitted in a cross-section manner) and balancing traction reflux between two steel rails in the middle.
Further, as shown in fig. 1, the first resonance unit 30 includes: a first capacitor C1 and a second inductor L2 connected in series. The first resonator element 30 in this embodiment is designed such that the signal to its far end section (e.g. the signal f of section B in fig. 1) 2 ) A series resonance is formed with an impedance of 0 to prevent the signal from being transmitted into its proximal section (e.g., section a in fig. 1); furthermore, the first resonant unit 30 is coupled to a signal of its proximal section (e.g. signal f of section a in fig. 1) 1 ) Is capacitive, corresponds to a capacitor, and the capacitor is equal to (l) 1 +l 2 +l 3 ) The long rail, the first inductor L1 of the first traction balancing unit 10 and the fourth inductor L4 of the second traction balancing unit 20 form parallel resonance to ensure effective transmission of signals in the near end section thereof in the track circuit.
Still further, as shown in fig. 1, the second resonance unit 40 includes: the third inductor L3, the second capacitor C2 and the third capacitor C3, and the second capacitor C2 is connected in series with the third inductor L3 and then connected in parallel with the third capacitor C3. Similarly, the second resonator element 40 in this embodiment is designed so as to be responsive to the signal at its far end section (e.g., section a signal f in fig. 1 1 ) A series resonance is formed with an impedance of 0 to prevent the signal from being transmitted into its proximal section (e.g., section B in fig. 1); in addition, the second resonance unit 40 is coupled to the signal of the proximal section thereof (e.g., the signal f of the section B in FIG. 1) 2 ) Is capacitive, corresponds to a capacitor, and the capacitor is equal to (l) 1 +l 2 +l 3 ) The long rail, the first inductor L1 of the first traction balancing unit 10 and the fourth inductor L4 of the second traction balancing unit 20 form parallel resonance to ensure effective transmission of signals in the near end section thereof in the track circuit.
In this solution, in order to better optimize the traction reflux balancing function, it is required that the distance between the first traction balancing unit 10 and the second traction balancing unit 20 should not be too large or too small; in addition, in order to achieve orderly optimization of the traction reflux balancing function, it is required that the distance between the first resonant unit 30 and the first traction balancing unit 10 should not be too large or too small, and the distance between the second traction balancing unit 20 and the second resonant unit 40 should be the same; accordingly, as shown in fig. 1, the distance between the first resonant unit 30 and the first traction balancing unit 10 is a first preset distance l 1 The method comprises the steps of carrying out a first treatment on the surface of the The distance between the second traction balance unit 20 and the second resonance unit 40 is a second preset distance l 2 The method comprises the steps of carrying out a first treatment on the surface of the The distance between the first traction balance unit 10 and the second traction balance unit 20 is a third preset distance l 3 。
Specifically, a first preset distance l 1 Can be designed according to the parameters of the steel rail; to achieve this segment signal enhancement for transmission while helping to avoid adjacent segment signal interference, a first preset spacing l is correspondingly provided 1 Is preferably 8-10 m, and the first preset distance l 1 10m.
Further, a second preset distance l 2 Can be designed according to the parameters of the steel rail; likewise, in order to achieve the present segment signal enhancement for transmission, while helping to avoid adjacent segment signal interference, a second preset spacing l is correspondingly provided 2 Is preferably 8-10 m, and the second preset distance l 2 10m.
Still further, in order to obtain a better optimization effect of maintaining the balance function of the traction reflux, it is preferable that the third preset interval l 3 5-8 m.
In this scheme, as shown in fig. 1, the insulated joint for ZPW-2000A non-insulated frequency-shift automatic blocking provided in the embodiment of the present utility model further includes: a first port 50 and a second port 60;
a first end of the first port 50 is connected to the first traction balancing unit 10, a first end of the second port 60 is connected to the second traction balancing unit 20, and one of the second end of the first port 50 and the second end of the second port 60 is used to connect a transmitting side unit of the track circuit and the other is used to connect a receiving side unit of the track circuit. Namely, a first port 50 and a second port 60 of the insulating joint in the present embodiment, one for connecting with a transmitting side unit of the track circuit and the other for connecting with a receiving side unit of the track circuit; the scheme is designed so that the insulating joint can combine the transmitting side unit and the receiving side unit in the track circuit, and therefore the problem of shunt dead zone in the track circuit at present can be effectively solved.
The embodiment of the utility model also provides an insulation-free frequency shift track circuit, which comprises: and the insulating joint is the insulating joint for ZPW-2000A non-insulating frequency-shifting automatic blocking. Because the ZPW-2000A non-insulation frequency-shift automatic blocking insulation joint is adopted in the scheme, the method has corresponding beneficial effects, and the detailed description can be referred to in the prior art, and the detailed description is omitted.
The present solution is further described in connection with the following specific embodiments:
the purpose of the utility model is that:
the scheme is based on the requirement of the current track circuit on the insulating joint, and provides a new insulating joint which can prevent the adjacent section track circuit from frequency shift signal transmission in a cross-zone manner, can meet the requirement of balancing traction current between two tracks, and has simple structure and obvious effect.
Detailed description of the technical scheme of the utility model:
the utility model designs an insulating joint for isolating adjacent sections of different frequency track circuit signals, such as section A and section B f shown in FIG. 1 1 And f 2 The specific description is as follows:
(1) The insulating joint comprises a first unit (namely a first resonance unit 30) formed by serially connecting an inductor L2 and a capacitor C1, a second unit (namely a first traction balance unit 10) formed by serially connecting the inductor L1, a third unit (namely a second traction balance unit 20) formed by serially connecting an inductor L4, and a fourth unit (namely a second resonance unit 40) formed by serially connecting the capacitor C2 and an inductor L3 and parallelly connecting the capacitor C3;
wherein the first unit and the second unitDistance of l 1 The method comprises the steps of carrying out a first treatment on the surface of the The distance between the third unit and the fourth unit is l 2 The method comprises the steps of carrying out a first treatment on the surface of the Second cell to third cell spacing l 3 ；
(2) Fourth cell pair section A signal f 1 A series resonance is formed and the impedance is 0 to prevent the signal from being transferred to the section B; first unit pair section B signal f 2 A series resonance is formed and the impedance is 0 to prevent the signal from being transferred to the section a; the second unit and the third unit have low impedance to traction reflux signals and are used for balancing traction current between two steel rails;
(3) The first cell is capacitive for the segment A signal, corresponding to a capacitor, which is equal to (l) 1 +l 2 +l 3 ) The long steel rail, the second unit inductor L1 and the third unit inductor L4 form parallel resonance so as to ensure that the signal of the section A is effectively transmitted in the section; the fourth cell is capacitive to the segment B signal, the capacitor is coupled to (l) 1 +l 2 +l 3 ) The long steel rail, the second unit inductor L1 and the third unit inductor L4 form parallel resonance so as to ensure that the signal of the section B is effectively transmitted in the section;
(4) The first port and the second port are used for connecting a transmitting side or a receiving side component unit in the existing track circuit.
The utility model has the advantages that:
(1) The second unit and the third unit in the insulating joint can be used for traction reflux balance;
(2) The insulating joint has a simple structure and a remarkable effect.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An insulated joint for ZPW-2000A uninsulated frequency shift automatic occlusion, comprising: a resonance unit, a first traction balancing unit (10) and a second traction balancing unit (20);
the resonant unit, the first traction balancing unit (10) and the second traction balancing unit (20) are connected in parallel in a track circuit between two adjacent sections, and the first traction balancing unit (10) comprises: -a first inductor (L1), said second traction balancing unit (20) comprising: and a fourth inductor (L4).
2. The ZPW-2000A non-insulated frequency-shifting automatic closing insulating joint according to claim 1, wherein the resonance unit includes: a first resonance unit (30) and a second resonance unit (40);
the first resonance unit (30), the first traction balance unit (10), the second traction balance unit (20) and the second resonance unit (40) are sequentially connected in parallel with a track circuit between two adjacent sections.
3. The ZPW-2000A non-insulated frequency-shifting automatic-closing insulating joint according to claim 2, wherein the first resonance unit (30) includes: a first capacitor (C1) and a second inductor (L2) connected in series.
4. The ZPW-2000A non-insulated frequency-shifting automatic closing insulating joint according to claim 2, wherein the second resonance unit (40) includes: a third inductor (L3), a second capacitor (C2) and a third capacitor (C3), and the second capacitor (C2) is connected in series with the third inductor (L3) and then connected in parallel with the third capacitor (C3).
5. The ZPW-2000A insulation joint for non-insulated frequency-shifting automatic occlusion according to claim 2, which comprisesCharacterized in that the distance between the first resonance unit (30) and the first traction balance unit (10) is a first preset distance l 1 The method comprises the steps of carrying out a first treatment on the surface of the The distance between the second traction balance unit (20) and the second resonance unit (40) is a second preset distance l 2 The method comprises the steps of carrying out a first treatment on the surface of the The distance between the first traction balance unit (10) and the second traction balance unit (20) is a third preset distance l 3 。
6. The ZPW-2000A insulation joint for non-insulated frequency-shifting automatic closing according to claim 5, wherein the first preset distance l 1 8-10 m.
7. The ZPW-2000A insulation joint for non-insulated frequency-shift automatic closing according to claim 5, wherein the second preset distance l 2 8-10 m.
8. The ZPW-2000A insulation joint for non-insulated frequency-shift automatic closing according to claim 5, wherein the third preset interval l 3 5-8 m.
9. The ZPW-2000A insulation joint for non-insulated frequency-shifting automatic closing according to claim 1, further comprising: a first port (50) and a second port (60);
the first end of the first port (50) is connected to the first traction balance unit (10), the first end of the second port (60) is connected to the second traction balance unit (20), one of the second end of the first port (50) and the second end of the second port (60) is used for being connected with a transmitting side unit of the track circuit, and the other is used for being connected with a receiving side unit of the track circuit.
10. A circuit, comprising: an insulating joint, wherein the insulating joint is an insulating joint for ZPW-2000A non-insulating frequency shift automatic closing according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123445140.4U CN219007827U (en) | 2021-12-29 | 2021-12-29 | Insulation joint and circuit for ZPW-2000A non-insulation frequency-shift automatic blocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123445140.4U CN219007827U (en) | 2021-12-29 | 2021-12-29 | Insulation joint and circuit for ZPW-2000A non-insulation frequency-shift automatic blocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219007827U true CN219007827U (en) | 2023-05-12 |
Family
ID=86244245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123445140.4U Active CN219007827U (en) | 2021-12-29 | 2021-12-29 | Insulation joint and circuit for ZPW-2000A non-insulation frequency-shift automatic blocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219007827U (en) |
-
2021
- 2021-12-29 CN CN202123445140.4U patent/CN219007827U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104716920B (en) | Passive equalizer | |
| CN103188861B (en) | Lay the printed circuit board (PCB) of differential pair | |
| CN101414852A (en) | Output coupling and filter circuit for power line carrier communication | |
| CN219007827U (en) | Insulation joint and circuit for ZPW-2000A non-insulation frequency-shift automatic blocking | |
| CN220549064U (en) | Non-insulation frequency shift track circuit and insulation joint for non-insulation frequency shift automatic blocking | |
| CN204886948U (en) | Power line carrier signals interconnected circuit | |
| CN217477305U (en) | Insulation joint and circuit for ZPW-2000A non-insulation frequency shift track circuit | |
| CN204927460U (en) | Improve out of band rejection's broad band filter | |
| CN204190763U (en) | Twisted-pair feeder transmits the device of DC power supply | |
| CN108092487B (en) | Device for suppressing track circuit harmonic wave | |
| CN105932376A (en) | Microwave band-pass filter with double transmission line structure | |
| CN103779640A (en) | Micro-strip dual-passband filter | |
| CN115102300B (en) | Parallel injection type wireless information and energy simultaneous transmission system and method | |
| CN116331293A (en) | Non-insulation frequency shift track circuit and insulation joint thereof | |
| CN116331292A (en) | Non-insulation frequency-shift track circuit and automatic blocking insulation joint thereof | |
| CN103378507B (en) | Electric connector | |
| CN203013895U (en) | Three-way cavity device and port combiner structure thereof | |
| CN102916669A (en) | Filter circuit | |
| CN103777378B (en) | Improve the method and device of Lithium metaniobate high-speed optical modulator operating frequency and bandwidth | |
| CN102025010B (en) | Filter | |
| JP2009055284A (en) | Waveform equalizing circuit | |
| CN102752027A (en) | Pure flooding adaptive low-voltage power line carrier communication unit | |
| CN212447600U (en) | Steel rail compensation structure of ZPW-2000A type non-insulated track circuit | |
| US8618893B2 (en) | Transmission medium with inductive current transmission on multiple conductors | |
| CN201051740Y (en) | Opener and closer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |