CN105857117A - Novel rail yard return cable and steel rail wiring method based on non-track circuit mode - Google Patents
Novel rail yard return cable and steel rail wiring method based on non-track circuit mode Download PDFInfo
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- CN105857117A CN105857117A CN201610205736.1A CN201610205736A CN105857117A CN 105857117 A CN105857117 A CN 105857117A CN 201610205736 A CN201610205736 A CN 201610205736A CN 105857117 A CN105857117 A CN 105857117A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/30—Power rails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
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Abstract
本发明涉及地铁牵引供电系统车辆段的接线技术领域，尤其是基于非轨道电路模式的车辆段回流电缆与钢轨接线方法，其特征在于，具体接线方法如下：(1)在股道1和股道N的外侧设置主回流电缆，以及在股道1至股道N之间的股间都增设辅助的回流箱；(2)回流箱之间的软电缆连接根数为N；(3)将从回流箱中引出的3根(或2根，具体根数根据工程实际选取)软电缆连接至邻近侧的前股道上的可连接钢轨上；(4)将从回流箱中引出的3根(或2根，具体根数根据工程实际选取)软电缆连接至邻近侧的后股道上的可连接钢轨上。本发明通不仅降低了施工安装及运营维护成本，也提高了回流路径的可靠性，具有较高的推广应用价值，可在我国地铁领域应用。
The present invention relates to the technical field of wiring of the depot of the subway traction power supply system, especially the method of wiring the return cable and the rail of the depot based on the non-track circuit mode. It is characterized in that the specific wiring method is as follows: The main return cable is set on the outside of N, and an auxiliary return box is added between strands 1 to N; (2) the number of flexible cables connected between the return boxes is N; (3) the The 3 (or 2, the specific number is selected according to the actual project) flexible cables drawn from the reflow box are connected to the connectable steel rails on the front strand track on the adjacent side; (4) the 3 (or 2) flexible cables drawn from the reflow box 2, the specific number is selected according to the actual project) flexible cables are connected to the connectable rails on the rear strand track on the adjacent side. The invention not only reduces the cost of construction, installation and operation and maintenance, but also improves the reliability of the return path, has high promotion and application value, and can be applied in the subway field of our country.
Description
技术领域technical field
本发明涉及地铁牵引供电系统的接线技术领域，尤其是一种基于非轨道电路模式的新型地铁牵引供电线系统车辆段电缆与钢轨接线新方法。The invention relates to the technical field of wiring of a subway traction power supply system, in particular to a new method for wiring cables and rails in a depot of a new subway traction power supply line system based on a non-track circuit mode.
背景技术Background technique
目前地铁牵引供电系统中，普遍采用钢轨回流模式，典型的地铁牵引供电系统车辆段内示意图如图1地铁车辆段牵引供电系统示意图所示。At present, in the subway traction power supply system, the rail return mode is generally adopted. The schematic diagram of the typical subway traction power supply system in the depot is shown in Figure 1. The schematic diagram of the traction power supply system of the subway depot.
电流路径为:牵引变电所正极→馈电线→接触网→车辆(负载)→钢轨→回流线→牵引变电所负极。其中钢轨与回流线的连接是保证牵引供电系统可靠运营的重要环节之一。同时为了尽量减少回流电缆连接对钢轨产生的影响，应尽量减少电缆与钢轨的连接点。The current path is: positive pole of traction substation → feeder line → catenary → vehicle (load) → rail → return line → negative pole of traction substation. Among them, the connection between the rail and the return line is one of the important links to ensure the reliable operation of the traction power supply system. At the same time, in order to minimize the impact of the return cable connection on the rail, the connection points between the cable and the rail should be minimized.
现有的回流电缆与钢轨连接方案根据信号模式的不同而存在差异。车辆段内信号模式可分为轨道电路模式和非轨道电路模式。信号采用轨道电路时，每股道的两根钢轨中的一条作为信号的传输电路，回流电缆不允许连接；而采用非轨道电路时，每股道的两根钢轨回流电缆均可连接。Existing schemes for connecting return cables to rails vary depending on the signal mode. The signal mode in the depot can be divided into track circuit mode and non-track circuit mode. When the signal adopts the track circuit, one of the two rails of each track is used as the signal transmission circuit, and the return cable is not allowed to be connected; while the non-track circuit is used, the two rail return cables of each track can be connected.
1、现有技术情况：1. Current technical situation:
目前地铁回流线通常由两种类型电缆组成，其中与钢轨连接的回流电缆采用截面积较小的软电缆，而接至牵引变电所负极的回流电缆采用截面积较大、有保护层的硬电缆，两者之间通过“回流箱”进行过渡转换。At present, the return line of the subway is usually composed of two types of cables. Among them, the return cable connected to the rail adopts a flexible cable with a small cross-sectional area, while the return cable connected to the negative pole of the traction substation adopts a large cross-sectional area and a protective layer. Hard cables, transition transitions between the two via a "reflow box".
当信号采用基于非轨道电路的模式时，车辆段的具体接线方案为：设从回流箱至钢轨的软电缆总根数为N(通常N为8～10根)，首先从回流箱引出N根软电缆，将其中的N/2根软电缆接至每股道两根可连接钢轨中的一根，其余的N/2根软电缆接至另外一根可连接钢轨。然后再将N/2根软电缆串联接至下一股道的一根可连接钢轨，其余N/2根软电缆接至另外一根可连接钢轨，以此类推。示意图如图2所示。When the signal adopts the mode based on non-track circuit, the specific wiring scheme of the depot is: assuming that the total number of flexible cables from the return box to the rail is N (usually N is 8 to 10), first lead out N cables from the return box For flexible cables, connect N/2 flexible cables to one of the two connectable rails in each track, and connect the remaining N/2 flexible cables to the other connectable rail. Then N/2 flexible cables are connected in series to a connectable steel rail of the next channel, and the remaining N/2 flexible cables are connected to another connectable steel rail, and so on. The schematic diagram is shown in Figure 2.
2、需解决的技术问题：2. Technical problems to be solved:
如图2所示，回流电缆与钢轨连接既有方案能够满足地铁车辆段内牵引供电系统的需求，但存在如下技术问题：As shown in Figure 2, the existing solution for connecting the return cable to the rail can meet the needs of the traction power supply system in the subway depot, but there are the following technical problems:
(1)电缆与钢轨的连接点较多，施工及运营维护工作量大。如图2所示，每股道电缆与钢轨连接点共计有2N个(4*N/2)。另外根据地铁车辆段牵引供电系统特性，每轨道在库外与库内之间设钢轨绝缘节，绝缘节两侧分别设回流电缆连接，两侧回流电缆通过一种单向导通装置连接，如图3所示。因此，每股道电缆与钢轨的连接点为4N个。以一个20股道的车辆段为例，当回流电缆根数为10根时，库前连接点将达到800个(2*(4*10/2)*20)。(1) There are many connection points between cables and rails, and the workload of construction and operation and maintenance is heavy. As shown in Figure 2, there are a total of 2N (4*N/2) connection points between the cable and the rail for each track. In addition, according to the characteristics of the traction power supply system of the subway depot, each track is provided with a rail insulation section between the outside of the warehouse and the inside of the warehouse, and the return cables are connected on both sides of the insulation section, and the return cables on both sides are connected through a one-way conducting device, as shown in the figure 3. Therefore, there are 4N connection points between the cable and the rail for each track. Taking a depot with 20 lanes as an example, when the number of return cables is 10, there will be 800 connection points in front of the depot (2*(4*10/2)*20).
(2)除靠近回流箱的轨道外，其它股道的回流电流路径均经过钢轨转接环节，增多了故障隐患点。(2) Except for the track close to the return box, the return current paths of other tracks pass through the rail transfer link, which increases the hidden trouble points.
3、存在问题的原因：是回流电缆与钢轨连接方案不合理，回流电缆通过钢轨转接回至回流箱。3. The reason for the problem: the connection scheme between the return cable and the rail is unreasonable, and the return cable is transferred back to the return box through the rail.
发明内容Contents of the invention
本发明的目的在于克服上述现有技术中的回流电缆与钢轨连接方案不合理，回流电缆通过钢轨转接回至回流箱的问题，在不改变目前地铁回流线基本设计原理基础上，通过在股道间设置回流箱的方法来减少电缆与钢轨的连接点，提供一种基于非轨道电路模式的车辆段回流电缆与钢轨接线方法，避免电缆通过钢轨所产生的不利因素。The purpose of the present invention is to overcome the unreasonable connection scheme between the return cable and the rail in the above-mentioned prior art, and the problem that the return cable is transferred back to the return box through the rail, without changing the basic design principle of the current subway return line. The method of setting the return box between the tracks reduces the connection points between the cables and the rails, and provides a method of wiring the return cables and rails in the depot based on the non-track circuit mode, avoiding the unfavorable factors caused by the cables passing through the rails.
为了达到上述目的，本发明采用如下技术方案：一种基于非轨道电路模式的车辆段回流电缆与钢轨接线新方法，具体方法如下：In order to achieve the above object, the present invention adopts the following technical scheme: a new method for connecting the depot return cable and the rail based on the non-track circuit mode, the specific method is as follows:
(1)在股道1和股道N的外侧设置主回流电缆，以及在股道1至股道N之间的股间都增设辅助的回流箱；(1) Set the main return cable on the outside of the strand 1 and the strand N, and add an auxiliary return box between the strands between the strand 1 and the strand N;
(2)回流箱之间的软电缆连接根数为N；(2) The number of flexible cables connected between the reflow boxes is N;
(3)将从回流箱中引出的3根(或2根，具体根数根据工程实际选取)软电缆连接至邻近侧的前股道上的可连接钢轨上；(3) Connect 3 (or 2, the specific number is selected according to the actual project) flexible cables drawn from the return box to the connectable steel rails on the front strand track on the adjacent side;
(3)将从回流箱中引出的3根(或2根，具体根数根据工程实际选取)软电缆连接至邻近侧的后股道上的可连接钢轨上。(3) Connect 3 (or 2, the specific number is selected according to the actual project) flexible cables drawn from the return box to the connectable steel rails on the rear strand track on the adjacent side.
所述步骤(1)中的主回流电缆是通过回流箱转接；The main return cable in the step (1) is transferred through the return box;
所述步骤(3)中连接至邻近侧的前股道上的可连接钢轨的软电缆是从回流箱引出的；In the step (3), the flexible cable that is connected to the front strand track on the adjacent side and can be connected to the rail is drawn from the reflow box;
所述步骤(4)中连接至邻近侧的后股道上的可连接钢轨的软电缆是从回流箱引出的。In the step (4), the flexible cable connected to the rear strand track on the adjacent side, which can be connected to the steel rail, is drawn from the reflow box.
与现有技术相比，本发明达到的有益效果：Compared with prior art, the beneficial effect that the present invention reaches:
1、本发明采用了增设回流箱转接的方案，一方面大幅度减少电缆与钢轨的连接点，另一方面避免了电缆通过钢轨转接所产生的不利影响，同样以一个20股道的地铁车辆段工程为例，按新型接线方案，假定回流电缆总根数N为10，连接每根可连接钢轨的软电缆根数为3根，则新型方案库前回流电缆与钢轨连接点总计为：2*(2*3)*20＝240处，连接点减少70％。1. The present invention adopts the scheme of adding a reflow box to transfer, on the one hand greatly reduces the connection points between the cable and the rail, and on the other hand avoids the adverse effects caused by the transfer of the cable through the rail. Similarly, a 20-track subway Taking the depot project as an example, according to the new wiring scheme, assuming that the total number of return cables N is 10, and the number of flexible cables connecting each rail that can be connected is 3, the total number of connection points between the return cables and the rails before the new scheme library is: At 2*(2*3)*20=240, the connection points are reduced by 70%.
2、本发明通过增设回流箱，大幅度减少电缆与钢轨连接点，避免电缆经钢轨转接，不仅降低了施工安装及运营维护成本，也提高了回流路径的可靠性，具有较高的推广应用价值，可在我国地铁领域应用。2. By adding a reflow box, the present invention greatly reduces the connection points between cables and rails and avoids the transfer of cables through rails, which not only reduces the cost of construction, installation and operation and maintenance, but also improves the reliability of the reflow path, and has a higher promotion and application value, it can be applied in my country's subway field.
附图说明Description of drawings
图1地铁车辆段牵引供电系统示意图。Fig. 1 Schematic diagram of the traction power supply system of the subway depot.
图2回流电缆与钢轨连接既有方案接线示意图。Figure 2. Wiring schematic diagram of the existing scheme for connecting the return cable to the rail.
图3典型车辆段库前回流电缆与钢轨连接既有方案示意图。Figure 3. Schematic diagram of the existing scheme for connecting the return cable to the rail in front of a typical depot.
图4车辆段回流电缆与钢轨接线方案示意图。Fig. 4 Schematic diagram of the connection scheme between return cables and rails in the depot.
具体实施方式detailed description
下面结合附图4和具体实施例对本发明做进一步详细说明。The present invention will be described in further detail below in conjunction with accompanying drawing 4 and specific embodiments.
实施例：Example:
在不改变目前地铁回流线基本设计原理基础上，通过在股道间设置回流箱的方法来减少电缆与钢轨的连接点，提供一种基于非轨道电路模式的新型地铁牵引供电线系统车辆段内电缆与钢轨接线方法，避免电缆通过钢轨所产生的不利因素。On the basis of not changing the basic design principle of the current subway return line, the connection points between cables and rails are reduced by setting return boxes between the tracks, and a new type of subway traction power supply line system depot based on non-track circuit mode is provided. The wiring method between the inner cable and the rail avoids the unfavorable factors caused by the cable passing through the rail.
为了达到上述目的，本发明采用如下技术方案：一种基于非轨道电路模式的车辆段回流电缆与钢轨接线新方法，具体方法如下：In order to achieve the above object, the present invention adopts the following technical scheme: a new method for connecting the depot return cable and the rail based on the non-track circuit mode, the specific method is as follows:
(1)在股道1和股道N的外侧设置主回流电缆，以及在股道1至股道N之间的股间都增设辅助的回流箱；(1) Set the main return cable on the outside of the strand 1 and the strand N, and add an auxiliary return box between the strands between the strand 1 and the strand N;
(2)回流箱之间的软电缆连接根数为N；(2) The number of flexible cables connected between the reflow boxes is N;
(3)将从回流箱中引出的3根(或2根，具体根数根据工程实际选取)软电缆连接至邻近侧的前股道上的可连接钢轨上；(3) Connect 3 (or 2, the specific number is selected according to the actual project) flexible cables drawn from the return box to the connectable steel rails on the front strand track on the adjacent side;
(3)将从回流箱中引出的3根(或2根，具体根数根据工程实际选取)软电缆连接至邻近侧的后股道上的可连接钢轨上。(3) Connect 3 (or 2, the specific number is selected according to the actual project) flexible cables drawn from the return box to the connectable steel rails on the rear strand track on the adjacent side.
所述步骤(1)中的主回流电缆是通过回流箱转接；所述步骤(3)中连接至邻近侧的前股道上的可连接钢轨的软电缆是从回流箱引出的；所述步骤(4)中连接至邻近侧的后股道上的可连接钢轨的软电缆是从回流箱引出的。The main return cable in the step (1) is transferred through the return box; the flexible cable connected to the front strand track on the adjacent side in the step (3) is drawn from the return box; the step (4) The flexible cable connected to the rail-attachable rail on the rear strand track on the adjacent side is drawn from the return box.
以上所述，仅为本发明的较佳实施例，并不用以限制本发明，凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同替换和改进，均应包含在本发明技术方案的保护范围之内。The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Any minor modifications, equivalent replacements and improvements made to the above embodiments according to the technical essence of the present invention shall be included in the technical aspects of the present invention. within the scope of protection of the program.
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| CN201610205736.1A CN105857117B (en) | 2016-04-01 | 2016-04-01 | Rolling stock section's return cable and rail wiring new method based on non-track circuit pattern |
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| CN201610205736.1A CN105857117B (en) | 2016-04-01 | 2016-04-01 | Rolling stock section's return cable and rail wiring new method based on non-track circuit pattern |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790957A (en) * | 2018-06-29 | 2018-11-13 | 中铁二院工程集团有限责任公司 | A kind of urban track traffic integrated ground system applied to alternating current traction power supply system |
| CN109130956A (en) * | 2017-07-06 | 2019-01-04 | 天津中铁电气化设计研究院有限公司 | A kind of positive and negative electrode systems in field section and earthed system that special rail flows back under power supply system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB430372A (en) * | 1934-03-17 | 1935-06-18 | Leslie Hurst Peter | Improvements relating to track circuit signalling systems for railways and the like |
| JPH11115559A (en) * | 1997-10-21 | 1999-04-27 | Toyota Autom Loom Works Ltd | Erection cable connecting terminal base and connecting method thereof |
| CN101252230A (en) * | 2007-12-14 | 2008-08-27 | 吴江市盛信电缆有限责任公司 | Cable connection assembly and method for connecting cable and rail using same |
| CN103129416A (en) * | 2013-03-07 | 2013-06-05 | 西南交通大学 | Rail transit double-contact-rail power supply system |
| CN105150881A (en) * | 2015-10-15 | 2015-12-16 | 中铁电气化勘测设计研究院有限公司 | Novel method for connection between main line rail and return cable, of subway dragging and power-supplying line |
-
2016
- 2016-04-01 CN CN201610205736.1A patent/CN105857117B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB430372A (en) * | 1934-03-17 | 1935-06-18 | Leslie Hurst Peter | Improvements relating to track circuit signalling systems for railways and the like |
| JPH11115559A (en) * | 1997-10-21 | 1999-04-27 | Toyota Autom Loom Works Ltd | Erection cable connecting terminal base and connecting method thereof |
| CN101252230A (en) * | 2007-12-14 | 2008-08-27 | 吴江市盛信电缆有限责任公司 | Cable connection assembly and method for connecting cable and rail using same |
| CN103129416A (en) * | 2013-03-07 | 2013-06-05 | 西南交通大学 | Rail transit double-contact-rail power supply system |
| CN105150881A (en) * | 2015-10-15 | 2015-12-16 | 中铁电气化勘测设计研究院有限公司 | Novel method for connection between main line rail and return cable, of subway dragging and power-supplying line |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130956A (en) * | 2017-07-06 | 2019-01-04 | 天津中铁电气化设计研究院有限公司 | A kind of positive and negative electrode systems in field section and earthed system that special rail flows back under power supply system |
| CN108790957A (en) * | 2018-06-29 | 2018-11-13 | 中铁二院工程集团有限责任公司 | A kind of urban track traffic integrated ground system applied to alternating current traction power supply system |
| CN108790957B (en) * | 2018-06-29 | 2023-07-18 | 中铁二院工程集团有限责任公司 | Urban rail transit comprehensive grounding system applied to alternating current traction power supply system |
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| CN105857117B (en) | 2017-12-12 |
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