阅读说明：本技术 基于信号源激励的铁路信号在用电缆芯线用途识别系统 (Railway signal in-use cable core wire application identification system based on signal source excitation ) 是由 李超 石先明 沈志凌 李乾社 郭勇 张伟 李砾 达兴亮 于 2019-10-31 设计创作，主要内容包括：本发明提供了一种基于信号源激励的铁路信号在用电缆芯线用途识别系统,包括信号激励源产生设备以及信号识别终端设备；信号激励源产生设备设置于室内分线柜处,其多个信号发送通道分别与分线柜中多个与待识别芯线相关的端子连接,所述信号激励源产生设备用于产生多个特定载频的信号激励源并通过各信号发送通道施加到各相连的端子上,各特定载频与芯线用途一一对应；所述信号识别终端设备设置于室外识别点处,其多个信号接收通道分别加持到待识别的多个芯线上,信号识别终端设备用于识别出各个信号接收通道对应的载频,并结合特定载频与芯线用途之间的对应关系来识别各芯线的用途。本发明能快速、精准的识别在用铁路信号电缆室外各处芯线用途定义。(The invention provides a railway signal in-use cable conductor application identification system based on signal source excitation, which comprises signal excitation source generating equipment and signal identification terminal equipment, wherein the signal excitation source generating equipment is used for generating a signal excitation signal; the signal excitation source generating equipment is arranged at an indoor branching cabinet, a plurality of signal transmitting channels of the signal excitation source generating equipment are respectively connected with a plurality of terminals related to the core wires to be identified in the branching cabinet, the signal excitation source generating equipment is used for generating a plurality of signal excitation sources with specific carrier frequencies and applying the signal excitation sources to the connected terminals through the signal transmitting channels, and the specific carrier frequencies correspond to the purposes of the core wires one to one; the signal identification terminal equipment is arranged at an outdoor identification point, a plurality of signal receiving channels of the signal identification terminal equipment are respectively added on a plurality of core wires to be identified, and the signal identification terminal equipment is used for identifying the carrier frequency corresponding to each signal receiving channel and identifying the application of each core wire by combining the corresponding relation between the specific carrier frequency and the application of the core wire. The method can quickly and accurately identify the purpose definition of the core wire at each position outside the railway signal cable.)

1. A railway signal in-use cable core wire application identification system based on signal source excitation is characterized in that: the device comprises signal excitation source generating equipment and signal identification terminal equipment;

the signal excitation source generating equipment is arranged at an indoor branching cabinet and is provided with a plurality of signal transmitting channels, the signal transmitting channels are respectively connected with a plurality of terminals related to the core wires to be identified in the branching cabinet, the signal excitation source generating equipment is used for generating a plurality of signal excitation sources with specific carrier frequencies and applying the signal excitation sources to the connected terminals through the signal transmitting channels, and the specific carrier frequencies correspond to the purposes of the core wires one to one;

the signal identification terminal equipment is arranged at an outdoor identification point and is provided with a plurality of signal receiving channels, the signal receiving channels are respectively added to a plurality of core wires to be identified, and the signal identification terminal equipment is used for identifying carrier frequencies corresponding to the signal receiving channels and identifying the purposes of the core wires by combining the corresponding relation between specific carrier frequencies and the purposes of the core wires.

2. The signal source excitation-based railroad signal in-cable-core usage identification system of claim 1, wherein: the signal excitation source generating equipment comprises a microprocessor and a signal generator, wherein the microprocessor is used for distributing carrier frequencies corresponding to all signal sending channels and transmitting the carrier frequencies to the signal generator, and the signal generator is used for generating signal excitation sources corresponding to the carrier frequencies according to signals transmitted by the microprocessor and sending the signal excitation sources out through the corresponding signal sending channels.

3. The signal source excitation-based railroad signal in-cable-core usage identification system of claim 1, wherein: the signal excitation source generating equipment further comprises an input module and a memory, wherein the input module is used for enabling an operator to input the purpose of a terminal connected with each signal transmission channel to form a corresponding relation table between specific carrier frequency and the purpose of a core wire, the memory is used for storing the corresponding relation table, and the signal excitation source generating equipment is further used for sending the corresponding relation table to the signal identification terminal equipment.

4. The signal source excitation-based railroad signal in-cable-core usage identification system of claim 3, wherein: and the signal excitation source generating equipment sends the corresponding relation table to the signal identification terminal equipment through a wireless or wired network.

5. The signal source excitation-based railroad signal in-cable-core usage identification system of claim 3, wherein: the signal excitation source generating device sends the corresponding relation table to the signal identification terminal device through a cable core wire connected with the signal excitation source generating device.

6. The signal source excitation-based railroad signal in-cable-core usage identification system of claim 1, wherein: the signal identification terminal equipment comprises a carrier frequency identification sensor and a processor, wherein the carrier frequency identification sensor is used for identifying carrier frequencies corresponding to all signal receiving channels and transmitting the carrier frequencies to the processor, and the processor is used for searching a corresponding relation table between specific carrier frequencies and core wire purposes according to the carrier frequencies corresponding to all the signal receiving channels to identify the purposes of all the core wires.

7. The signal source excitation-based railroad signal in-cable-core use identification system of claim 6, wherein: and each signal receiving channel of the signal identification terminal equipment is provided with a carrier frequency identification sensor.

8. The signal source excitation-based railroad signal in-cable-core usage identification system of claim 1, wherein: the signal identification terminal equipment is provided with a display screen, and the display screen is used for displaying the purpose of the core wire corresponding to each signal receiving channel.

9. The signal source excitation-based railroad signal in-cable-core usage identification system of claim 1, wherein: the specific carrier frequency of the signal excitation source generated by the signal excitation source generating equipment is not in a frequency range with the signal carrier frequency transmitted by the railway signal cable.

10. The signal source excitation-based railroad signal in-cable-core usage identification system of claim 1, wherein: the signal excitation source generating device automatically adjusts the power of the generated signal excitation source according to the distance between the signal excitation source generating device and the outdoor identification point.

Technical Field

The invention relates to the field of railway signals, in particular to a system for identifying the use of an in-use cable core wire of a railway signal based on signal source excitation.

Background

At present, in railway signal construction or operation and maintenance in the industry, the purpose of identifying each core wire at the outdoor end of a multi-core in-use signal cable is often met. Generally, conventionally, the color of a design drawing and the color of a cable core are checked to distinguish and identify the cable core, and the method is extremely inconvenient and easy to make mistakes. Particularly, when railway signal rush repair is carried out, once errors occur, the construction period is easily prolonged, so that the fault processing time at a later point or a longer time is caused, and the train operation efficiency is influenced.

Disclosure of Invention

The invention aims to provide a system for identifying the use of an in-use cable core wire of a railway signal excited based on a signal source, and aims to solve the problems that the existing method for distinguishing and identifying the cable core wire by looking up a design drawing and the color of the cable core wire is extremely inconvenient and easy to make mistakes.

The invention is realized by the following steps:

the invention provides a railway signal in-use cable conductor application identification system based on signal source excitation, which comprises signal excitation source generating equipment and signal identification terminal equipment, wherein the signal excitation source generating equipment is used for generating a signal excitation signal;

the signal excitation source generating equipment is arranged at an indoor branching cabinet and is provided with a plurality of signal transmitting channels, the signal transmitting channels are respectively connected with a plurality of terminals related to the core wires to be identified in the branching cabinet, the signal excitation source generating equipment is used for generating a plurality of signal excitation sources with specific carrier frequencies and applying the signal excitation sources to the connected terminals through the signal transmitting channels, and the specific carrier frequencies correspond to the purposes of the core wires one to one;

the signal identification terminal equipment is arranged at an outdoor identification point and is provided with a plurality of signal receiving channels, the signal receiving channels are respectively added to a plurality of core wires to be identified, and the signal identification terminal equipment is used for identifying carrier frequencies corresponding to the signal receiving channels and identifying the purposes of the core wires by combining the corresponding relation between specific carrier frequencies and the purposes of the core wires.

Further, the signal excitation source generating device comprises a microprocessor and a signal generator, wherein the microprocessor is used for distributing carrier frequencies corresponding to the signal sending channels and transmitting the carrier frequencies to the signal generator, and the signal generator is used for generating signal excitation sources corresponding to the carrier frequencies according to signals transmitted by the microprocessor and sending the signal excitation sources through the corresponding signal sending channels.

Further, the signal excitation source generating device further includes an input module and a memory, the input module is used for an operator to input the purpose of the terminal connected to each signal transmission channel to form a corresponding relation table between the specific carrier frequency and the purpose of the core wire, the memory is used for storing the corresponding relation table, and the signal excitation source generating device is further used for sending the corresponding relation table to the signal identification terminal device.

Further, the signal excitation source generating device sends the correspondence table to the signal identification terminal device through a wireless or wired network.

Further, the signal excitation source generation device transmits the correspondence table to the signal identification terminal device through a cable core connected thereto.

Further, the signal identification terminal device includes a carrier frequency identification sensor and a processor, the carrier frequency identification sensor is used for identifying carrier frequencies corresponding to the signal receiving channels and transmitting the carrier frequencies to the processor, and the processor is used for searching a corresponding relation table between specific carrier frequencies and core wire purposes according to the carrier frequencies corresponding to the signal receiving channels to identify the purposes of the core wires.

Furthermore, each signal receiving channel of the signal identification terminal equipment is provided with a carrier frequency identification sensor.

Further, the signal identification terminal equipment is provided with a display screen, and the display screen is used for displaying the purpose of the core wire corresponding to each signal receiving channel.

Further, the specific carrier frequency of the signal excitation source generated by the signal excitation source generating device is not in a frequency range with the signal carrier frequency transmitted by the railway signal cable.

Further, the signal stimulus generating device automatically adjusts the power of the generated signal stimulus according to its distance from the outdoor identification point.

Compared with the prior art, the invention has the following beneficial effects:

the system for identifying the use of the core wire of the cable for the railway signal excited based on the signal source can quickly and accurately identify the use definition of the core wire at each position outside the railway signal cable, thereby providing great convenience for the construction, maintenance and rush repair work of the railway signal, greatly improving the working efficiency of the railway signal related to the cable core wire, and being very beneficial to the field installation, debugging, rush repair and daily operation and maintenance of the signal equipment related to the cable.

Drawings

Fig. 1 is a schematic structural diagram of an in-use cable core usage identification system for railway signals excited by a signal source according to an embodiment of the present invention;

fig. 2 is a diagram of a state of use of an in-use cable core usage identification system for railway signals excited by a signal source according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, an embodiment of the present invention provides an in-use cable core usage identification system for railway signals excited based on signal sources, which includes a signal excitation source generating device 1 and a signal identification terminal device 2.

The signal excitation source generating device 1 is arranged at an indoor branching cabinet and is provided with a plurality of signal transmitting channels, the signal transmitting channels are respectively connected with a plurality of terminals related to core wires to be identified in the branching cabinet, the purpose of each terminal of the branching cabinet is known, the terminal is an indoor end of each core wire of a signal cable, an operator can preliminarily judge the position of the terminal corresponding to the core wire to be identified in the branching cabinet, and then the signal excitation source is applied to the terminal corresponding to the position, for example: if the terminal corresponding to the core wire to be identified is preliminarily judged to be on the 03 th terminal row on the layer F5 of the indoor distribution cabinet, a signal excitation source can be applied to the No. 1, No. 2 and No. 4 terminals on the 03 th terminal row on the layer F5 of the indoor distribution cabinet. The signal excitation source generating device 1 is used for generating a plurality of signal excitation sources of specific carrier frequencies and applying the signal excitation sources to the connected terminals through the signal transmission channels, the carrier frequencies of the signal excitation sources transmitted by each signal transmission channel are different, for example, f1, f2 and fn, respectively, and since the purposes of the terminals connected with the signal transmission channels are known, the specific carrier frequencies of the signal excitation sources and the purposes of the corresponding terminals can be corresponding, namely, the specific carrier frequencies and the purposes of core wires can be corresponding, so that the purpose definition of each carrier frequency can be predefined, for example, f1 is defined as an X1 line of a 1# turnout, f2 is defined as an X2 line of the 1# turnout, and fn is defined as an X4 line of the 1# turnout.

The signal identification terminal device 2 is arranged at an outdoor identification point, specifically, the signal identification terminal device 2 can be arranged at a cable end of an outdoor construction or maintenance point, the signal identification terminal device 2 is provided with a plurality of signal receiving channels, the signal receiving channels are respectively added to a plurality of core wires to be identified, and the signal identification terminal device 2 is used for identifying carrier frequencies corresponding to the signal receiving channels and identifying the purposes of the core wires by combining the corresponding relation between specific carrier frequencies and the purposes of the core wires. For example: the 1-core identification carrier frequency f1, the 2-core identification carrier frequencies f2, … and the n-core identification carrier frequency fn are combined with the purpose definition of each specific carrier frequency preset on the indoor signal excitation source generating equipment 1 and the outdoor signal identification terminal equipment 2 synchronously, and the 1-core function of X1 line of 1# turnout, the 2-core function of X2 line of 1# turnout and the n-core function of X4 line of 1# turnout can be identified.

The system for identifying the use of the core wire of the cable for the railway signal based on the signal source excitation can quickly and accurately identify the use definition of the core wire at each position outside the railway signal cable, thereby providing great convenience for the construction, maintenance and rush repair of the railway signal, greatly improving the working efficiency of the railway signal and the cable core wire, and being very beneficial to the field installation, debugging, rush repair and daily operation and maintenance of the signal equipment and the cable.

As shown in fig. 1 and fig. 2, to refine the above embodiment, the signal excitation source generating device 1 includes a microprocessor 12 and a signal generator 13, the microprocessor 12 is configured to allocate a carrier frequency corresponding to each signal transmission channel and transmit the carrier frequency to the signal generator 13, and the signal generator 13 is configured to generate a signal excitation source of the corresponding carrier frequency according to a signal transmitted by the microprocessor 12 and transmit the signal excitation source through the corresponding signal transmission channel.

Preferably, the microprocessor 12 allocates the carrier frequency corresponding to each signal transmission channel to satisfy: the specific carrier frequency of the signal excitation source generated by the signal excitation source generating equipment and the carrier frequency of the signal transmitted by the railway signal cable are not in a frequency range, so that the normal function of the signal cable in use is not influenced or interfered. Further preferably, the microprocessor also automatically adjusts the power of the generated signal stimulus according to the distance of the signal stimulus generating device from the outdoor identification point.

Further in detail, the signal excitation source generating device 1 further includes an input module 11 and a memory 14, the input module 11 is used for an operator to input the use of the terminal connected to each signal transmission channel, the microprocessor 12 can generate a correspondence table between a specific carrier frequency and the use of the core wire according to the carrier frequency corresponding to each signal transmission channel and the use of the corresponding terminal, the memory 14 is used for storing the correspondence table, and the signal excitation source generating device 1 is further used for sending the correspondence table to the signal identification terminal device 2. Specifically, the signal excitation source generation device 1 sends the correspondence table to the signal identification terminal device 2 through a wireless or wired network. Alternatively, the signal excitation source generation device 1 transmits the correspondence table to the signal identification terminal device 2 through a cable core connected thereto.

As shown in fig. 1, the signal identification terminal device 2 includes a carrier frequency identification sensor 21 and a processor 22, where the carrier frequency identification sensor 21 is configured to identify a carrier frequency corresponding to each signal receiving channel and transmit the carrier frequency to the processor 22, and the processor 22 is configured to search a correspondence table between a specific carrier frequency and a core wire application according to the carrier frequency corresponding to each signal receiving channel to identify an application of each core wire. In a further refinement, each signal receiving channel of the signal identification terminal device 2 is provided with a carrier frequency identification sensor 21, so that the carrier frequency corresponding to each signal receiving channel can be quickly identified. Further, the signal identification terminal device 2 has a display screen 23, the display screen 23 is used for displaying the purpose of the core wire corresponding to each signal receiving channel, and an operator can see the purpose of each core wire at a glance.

The application method of the railway signal application identification system based on signal source excitation provided by the embodiment of the invention comprises the following steps:

step 1: preparation phase

At the distributing cabinet in the signal room of the signal building, each channel of the signal excitation source generating equipment generates a signal excitation source with specific carrier frequency, and the signal excitation source is respectively applied to the terminals of the indoor distributing cabinet, and the purpose definition of each specific carrier frequency is preset.

Step 2: carrier frequency detection

At an outdoor construction or maintenance point, the sensor channels of the signal identification terminal are added to the core wires needing identification, and the equipment detects the carrier frequency signals of each channel.

And 3, step 3: function recognition

The purpose definition of each specific carrier frequency preset by the indoor signal excitation source generating equipment is synchronized to the outdoor signal identification terminal equipment, and the signal identification terminal equipment can correspondingly identify the purpose definition of the core wire of each channel.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.