Method, device and equipment for reducing power of track circuit and medium

Abstract

The invention provides a method, device and equipment for reducing the power of a track circuit and a medium. Belongs to the technical field of track circuits. Coding conditions and direction information sent by a train operation control system are received through sending equipment, and a coding sequence is generated according to the coding conditions; current source sending equipment is adopted to carry out self-inspection on the coding sequence, the coding sequence after self-inspection is determined as a coding signal, and the coding signal is output; the sending equipment generates a driving signal for a direction relay according to the direction information, and outputs the driving signal to the direction relay through an attenuator; and receiving the direction state of the re-inspection direction relay, and sending the direction state to a train operation control system. The problem that equipment with high output power is seriously heated can be solved, and the effect of reducing track circuit power is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of track circuits, and particularly relates to a method, device, equipment and medium for reducing the power of track circuits. Background Art

[0002] The track circuit is a safety basic equipment for the signal blocking system and the train operation control system, and bears functions such as checking the occupancy and vacancy of the track circuit section, transmitting information to on-vehicle equipment, and checking the electrical disconnection of the rail.

[0003] The output voltage of the existing transmitting equipment should include 5 level voltages. The output voltage range of level 1 is 161 - 171V, the output voltage range of level 2 is 146 - 154V, the output voltage range of level 3 is 128 - 135V, the output voltage range of level 4 is 104 - 110.5V, and the output voltage range of level 5 is 75 - 79.5V. When the track circuit works in application scenarios such as an ultra-low ballast bed environment, the transmission limit length, an ultra-long cable, or raising the rail surface voltage, it is usually necessary to use level 1 with a higher voltage, and the equipment output power is relatively high, which may cause serious equipment overheating and other situations. Summary of the Invention

[0004] In view of the above problems, the present invention provides a method, device, equipment and medium for reducing the power of track circuits. By using a current source transmitting device, the transmitting device generates a driving signal for the direction relay according to the direction information, and outputs the driving signal to the direction relay through an attenuator, solving the problems of relatively high output power and serious equipment overheating, and achieving the effect of reducing the power of the track circuit.

[0005] An embodiment of the present application provides a method for reducing the power of a track circuit, including:

[0006] The transmitting device receives the coding condition and direction information sent by the train operation control system, and generates a coding sequence according to the coding condition;

[0007] Self-check the coding sequence, determine the self-checked coding sequence as a coding signal, and output the coding signal;

[0008] The transmitting device generates a driving signal for the direction relay according to the direction information, and outputs the driving signal to the direction relay through an attenuator;

[0009] Receive the direction state of the direction relay for recheck, and send the direction state to the train operation control system.

[0010] Preferably, the transmitting device is a current source transmitting device.

[0011] Preferably, the transmitting device receives the coding condition and direction information sent by the train operation control system, including:

[0012] The train operation control system generates coding conditions according to the signal frequency representation indicating that the train can enter the station in the station-yard train line;

[0013] The sending device generates a coding sequence from the signal frequency according to the coding conditions.

[0014] Preferably, the sending device receives the coding conditions and direction information sent by the train operation control system, including:

[0015] The sending device receives the direction information generated by the train operation control system according to the current identifier of the train entering the station.

[0016] Preferably, the self-checking of the coding sequence and determining the self-checked coding sequence as the coding signal includes:

[0017] Comparing the signal frequency in the coding sequence with the signal frequency determined by the train operation control system;

[0018] When the signal frequency in the coding sequence is consistent with the signal frequency determined by the train operation control system, output the coding signal;

[0019] When the signal frequency in the coding sequence is inconsistent with the signal frequency determined by the train operation control system, output the coding signal termination information.

[0020] Preferably, the sending device generates a drive signal for the direction relay according to the direction information and outputs the drive signal to the direction relay through an attenuator, including:

[0021] Obtain the current identifier of the train operation direction and generate a drive signal for the direction relay according to the current identifier of the train operation direction;

[0022] The attenuator amplifies and filters and enhances the drive signal and then outputs the drive signal to the direction relay.

[0023] Preferably, the method further includes:

[0024] The receiving device receives the track circuit signal and demodulates the track circuit, and obtains the track idle or occupied state information through the demodulation of the track circuit;

[0025] Upload the track idle or occupied state information to the train operation control system.

[0026] Preferably, the method further includes:

[0027] A tuning matching unit, the tuning unit includes a matching part and a tuning part,

[0028] The matching part is impedance-matched and connected to the rail.

[0029] The tuning section forms a series resonance for the signals of adjacent sections, presenting zero impedance.

[0030] Electrical isolation of the signals of adjacent sections; capacitive for the signals of this section, and forms a parallel resonance with the comprehensive inductance of the tuning section, presenting extremely high impedance.

[0031] Based on the same inventive concept, on the other hand, an embodiment of the present application further provides a device for reducing the power of the track circuit, including:

[0032] A sequence unit, configured to receive, by a sending device, the coding condition and direction information sent by the train operation control system, and generate a coding sequence according to the coding condition;

[0033] A self-check unit, configured to perform self-check on the coding sequence, determine the coded sequence after self-check as a coding signal, and output the coding signal;

[0034] An output unit, configured to generate, by the sending device, a driving signal for a direction relay according to the direction information, and output the driving signal to the direction relay through an attenuator;

[0035] A control unit, configured to receive the direction state of the direction relay for feedback inspection, and send the direction state to the train operation control system.

[0036] Preferably, when the sequence unit is configured to receive the coding condition and direction information sent by the train operation control system, it includes:

[0037] The train operation control system generates a coding condition according to the signal frequency representation of the train that can enter the station in the station yard train line;

[0038] Generate a coding sequence according to the signal frequency according to the coding condition.

[0039] Preferably, when the sequence unit is configured to receive the coding condition and direction information sent by the train operation control system, it includes:

[0040] Receive the direction information generated by the train operation control system according to the current identification of the train entering the station.

[0041] Preferably, when the self-check unit is configured to perform self-check on the coding sequence and determine the coded sequence after self-check as a coding signal, it includes:

[0042] Compare the signal frequency in the coding sequence with the signal frequency determined by the train operation control system;

[0043] When the signal frequency in the coding sequence is consistent with the signal frequency determined by the train operation control system, output a coding signal;

[0044] When the signal frequency in the encoding sequence is inconsistent with the signal frequency determined by the train operation control system, an encoding signal termination message is output.

[0045] Based on the same inventive concept, another aspect of the embodiments of the present application further provides an electronic device, which is characterized by comprising: a processor, a communication interface, a memory, and a communication bus, wherein the processor, the communication interface, and the memory complete communication with each other through the communication bus;

[0046] The memory stores a computer program;

[0047] When the processor executes the program stored in the memory, the method for reducing the power of the track circuit is implemented.

[0048] Based on the same inventive concept, another aspect of the embodiments of the present application further provides a computer-readable storage medium storing a computer program, and when the computer program is executed by a processor, the method for reducing the power of the track circuit is implemented.

[0049] Advantages of the present invention:

[0050] The present disclosure receives encoding conditions and direction information sent by a train operation control system through a sending device, generates an encoding sequence according to the encoding conditions; uses a current source sending device to perform self-check on the encoding sequence, determines the self-checked encoding sequence as an encoding signal, and outputs the encoding signal; the sending device generates a driving signal for a direction relay according to the direction information, and outputs the driving signal to the direction relay through an attenuator; receives and checks the direction state of the direction relay, and sends the direction state to the train operation control system. It can be seen that the problems of high output power and serious equipment heating can be solved, and the effect of reducing the power of the track circuit can be achieved.

[0051] Other features and advantages of the present invention will be described in the following description of the specification, and part of them will be obvious from the description of the specification, or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained through the structures pointed out in the specification and the drawings. Description of the Drawings

[0052] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0053] Figure 1 A schematic flowchart of a method for reducing the power of a track circuit is shown;

[0054] Figure 2 shows a schematic diagram of the structure of an interval track circuit system;

[0055] Figure 3 shows a schematic diagram of a device for reducing the power of a track circuit;

[0056] Figure 4 shows a schematic diagram of an electronic device in the present application. Specific Embodiments

[0057] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0058] It should be noted that the terms "first", "second", etc. in the present application are used to distinguish similar objects and do not necessarily need to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so as to describe the embodiments of the present application herein. In the present application, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings.

[0059] On the one hand, an embodiment of the present application provides a method for reducing the power of a track circuit. Refer to Figure 1 , including:

[0060] S101: The sending device receives the coding conditions and direction information sent by the train operation control system, and generates a coding sequence according to the coding conditions;

[0061] S102: Self-check the coding sequence, determine the self-checked coding sequence as a coding signal, and output the coding signal;

[0062] S103: The sending device generates a driving signal for the direction relay according to the direction information, and outputs the driving signal to the direction relay through an attenuator;

[0063] S104: Receive the direction status of the direction relay for rechecking, and send the direction status to the train operation control system.

[0064] Preferably, the sending device is a current source sending device.

[0065] Specifically, refer toFigure 2 , the track circuit in this application generally consists of the following main equipment:

[0066] Outdoor equipment: optical fiber, compensation capacitor, tuning matching unit, hollow coil, lightning protection unit, current source transmitting equipment, receiving equipment, interlocking train control equipment. This application mainly proposes a method for reducing the power of the track circuit for the interval track circuit system. The main means is to use the current source transmitting equipment, place the existing track circuit transmitting equipment, receiving equipment, lightning protection unit, etc. indoors. In this technical solution, these equipment are all placed in the trackside cabinet or box. The existing track circuit uses cables to link the information of indoor and outdoor equipment, and this technical solution uses optical fibers to realize the information interaction between the track circuit and the control equipment. The function of reducing the power of the track circuit is achieved.

[0067] In some specific embodiments, the transmitting equipment receives the coding conditions and direction information issued by the train operation control system, including:

[0068] The train operation control system generates coding conditions according to the signal frequency representation of the train's possible entry into the station in the station yard train line;

[0069] The transmitting equipment generates a coding sequence according to the coding conditions with the signal frequency.

[0070] In some specific embodiments, the transmitting equipment receives the coding conditions and direction information issued by the train operation control system, including:

[0071] The transmitting equipment receives the direction information generated by the train operation control system according to the current identification of the train's entry into the station.

[0072] In some specific embodiments, the self-check of the coding sequence and determining the self-checked coding sequence as the coding signal includes:

[0073] Compare the signal frequency in the coding sequence with the signal frequency determined by the train operation control system;

[0074] When the signal frequency in the coding sequence is consistent with the signal frequency determined by the train operation control system, output the coding signal;

[0075] When the signal frequency in the coding sequence is inconsistent with the signal frequency determined by the train operation control system, output the coding signal termination information.

[0076] Specifically, the transmitting equipment generates corresponding signals through the coding conditions given by the train operation control system; self-checks the generated signals and prohibits the output of signals in case of faults; the transmitting equipment obtains the direction information through the train operation control system.

[0077] Specifically, the sending device generates a driving signal for the direction relay according to the direction information and outputs the driving signal to the direction relay through an attenuator, including:

[0078] Obtain the current identification of the train running direction and generate a driving signal for the direction relay according to the current identification of the train running direction;

[0079] The attenuator amplifies and filters and enhances the driving signal and then outputs the driving signal to the direction relay.

[0080] Among them, after the sending device gives the direction information through the train operation control system, it outputs the driving signal of the direction relay to the attenuator, checks the direction state of the direction relay, and uploads it to the train operation control system.

[0081] Specifically, the method further includes:

[0082] The receiving device receives the track circuit signal and demodulates the track circuit, and obtains the track idle or occupied state information through demodulating the track circuit;

[0083] Upload the track idle or occupied state information to the train operation control system.

[0084] In some specific embodiments, the method further includes:

[0085] A tuning matching unit, the tuning unit includes a matching part and a tuning part,

[0086] The matching part is impedance-matched and connected to the rail;

[0087] The tuning part forms a series resonance for the signals of adjacent sections and presents a zero impedance,

[0088] Electrical isolation of the signals of adjacent sections; capacitive for the signals of this section, and forms a parallel resonance with the comprehensive inductance of the tuning area, presenting an extremely high impedance.

[0089] This technical solution adopts a current source sending device. The output current of the current source is not affected by the external circuit impedance, and the current always remains constant. The fluctuation of the load impedance will not change the magnitude of the current.

[0090] Specifically, the receiving device is used to demodulate the track circuit signal and upload the track idle or occupied state information to the train operation control system.

[0091] Specifically, see Figure 2, the tuning matching unit includes a matching part and a tuning part. The matching part, i.e., the matching transformer, realizes the impedance matching connection of the rail. The tuning part forms a series resonance for the signals of adjacent sections, presenting zero impedance and achieving the electrical isolation of the signals of adjacent sections. For the signals of this section, it is capacitive and forms a parallel resonance with the comprehensive inductance of the tuning section, presenting a very high impedance, enabling the signals of this section to be stably transmitted.

[0092] In this application, the air-core coil balances the traction current return of the two rails section by section, realizes the equipotential connection between the up and down lines, and ensures the working stability. The compensation capacitor realizes the transmission compensation of the track circuit signal on the rail line, ensuring that the track circuit has good transmission performance. The information interaction between the track circuit and the interlocking / train control equipment adopts optical fiber communication.

[0093] Based on the same inventive concept, another aspect of the embodiments of this application further provides a device for reducing the power of the track circuit. See Figure 3 , including:

[0094] The sequence unit 201 is used for the sending device to receive the coding conditions and direction information sent by the train operation control system, and generate a coding sequence according to the coding conditions;

[0095] The self-check unit 202 is used for self-checking the coding sequence, determining the self-checked coding sequence as a coding signal, and outputting the coding signal;

[0096] The output unit 203 is used for the sending device to generate a driving signal for the direction relay according to the direction information, and output the driving signal to the direction relay through the attenuator;

[0097] The control unit 204 is used for receiving the direction state of the direction relay for back-checking and sending the direction state to the train operation control system.

[0098] Specifically, when the sequence unit 201 is used for receiving the coding conditions and direction information sent by the train operation control system, it includes:

[0099] The train operation control system generates coding conditions according to the signal frequency representation of the train that can enter the station in the station-yard train line;

[0100] Generate a coding sequence according to the coding conditions and the signal frequency.

[0101] Specifically, when the sequence unit 201 is used for receiving the coding conditions and direction information sent by the train operation control system, it includes:

[0102] Receive the direction information generated by the train operation control system according to the current identification of the train entering the station.

[0103] Specifically, the self-check unit is used to perform a self-check on the encoding sequence. When the encoded sequence after the self-check is determined as an encoded signal, it includes:

[0104] Compare the signal frequency in the encoding sequence with the signal frequency determined by the train operation control system;

[0105] When the signal frequency in the encoding sequence is consistent with the signal frequency determined by the train operation control system, an encoded signal is output;

[0106] When the signal frequency in the encoding sequence is inconsistent with the signal frequency determined by the train operation control system, an encoded signal termination message is output.

[0107] Based on the same inventive concept, another aspect of the embodiments of the present disclosure also provides an electronic device 161. Refer to Figure 4 , including a processor 164, a communication interface 165, a memory 162, and a communication bus. Among them, the processor 164, the communication interface 165, and the memory 162 complete communication with each other through the communication bus;

[0108] The memory 162 stores a computer program 163;

[0109] When the processor 164 executes the program stored in the memory 162, a method for reducing the power of the track circuit is implemented.

[0110] The above-mentioned communication bus can be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, etc. This communication bus can be divided into an address bus, a data bus, a control bus, etc.

[0111] The communication interface 165 is used for communication between the electronic device 161 and other devices.

[0112] The memory 162 may include a Random Access Memory (RAM), or may also include a non-volatile memory, such as at least one disk memory. Optionally, the memory 162 may also be at least one storage device located far from the aforementioned processor 164.

[0113] The above-mentioned processor 164 may be a general-purpose processor 164, including a central processing unit 164 (CPU for short), a network processor 164 (NP for short), etc.; it may also be a digital signal processor 164 (DSP for short), an application-specific integrated circuit (ASIC for short), a field-programmable gate array (FPGA for short), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.

[0114] Based on the same inventive concept, another aspect of the embodiments of the present disclosure further provides a computer-readable storage medium storing a computer program 163, and when the computer program 163 is executed by the processor 164, it implements a method for reducing the power of the track circuit.

[0115] The computer-readable storage medium may be included in the device / apparatus described in the above embodiments; it may also exist independently without being assembled into the device / apparatus. The above computer-readable storage medium carries one or more programs, and when the one or more programs are executed, it implements the method for reducing the power of the track circuit according to the embodiments of the present disclosure.

[0116] The above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A method for reducing the power of a track circuit, characterized in that, Including: The sending device receives the coding conditions and direction information sent by the train operation control system, and generates a coding sequence according to the coding conditions; Self-check the coding sequence, determine the self-checked coding sequence as a coding signal, and output the coding signal; The sending device generates a driving signal for the direction relay according to the direction information, and outputs the driving signal to the direction relay through an attenuator; Receive the direction state of the back-check direction relay, and send the direction state to the train operation control system.

2. The method according to claim 1, characterized in that, The sending device is a current source sending device.

3. The method according to claim 1 or 2, characterized in that, The sending device receives the coding conditions and direction information sent by the train operation control system, including: The train operation control system generates coding conditions according to the signal frequency representation of the train's accessible signal frequency in the station yard train line; The sending device generates a coding sequence from the signal frequency according to the coding conditions.

4. The method according to claim 3, wherein The sending device receives the coding conditions and direction information sent by the train operation control system, including: The sending device receives the direction information generated by the train operation control system according to the current identification of the train entering the station.

5. The method according to claim 3, characterized in that The self-checking the coding sequence, determining the self-checked coding sequence as a coding signal, includes: Compare the signal frequency in the coding sequence with the signal frequency determined by the train operation control system; When the signal frequency in the coding sequence is consistent with the signal frequency determined by the train operation control system, output a coding signal; When the signal frequency in the coding sequence is inconsistent with the signal frequency determined by the train operation control system, output a coding signal termination information.

6. The method according to claim 1, wherein The sending device generates a driving signal for the direction relay according to the direction information, and outputs the driving signal to the direction relay through an attenuator, including: Obtain the current identification of the train running direction, and generate a driving signal for the direction relay according to the current identification of the train running direction; The attenuator amplifies and filters the driving signal and then outputs the driving signal to the direction relay.

7. The method according to claim 1, characterized in that The method further includes: The receiving device receives the track circuit signal and demodulates the track circuit, and obtains the track idle or occupied state information by demodulating the track circuit; Upload the track idle or occupied state information to the train operation control system.

8. The method according to claim 7, wherein The method further includes: A tuning matching unit, the tuning unit includes a matching part and a tuning part, The matching part is impedance-matched with the rail; The tuning part forms a series resonance for the signals of adjacent sections, presenting zero impedance, Electrical isolation of signals in adjacent sections; capacitive for signals in this section, and forms a parallel resonance with the tuning area comprehensive inductance, presenting extremely high impedance.

9. A device for reducing the power of a track circuit, characterized in that, Including: A sequence unit, configured to receive the coding conditions and direction information sent by the train operation control system, and generate a coding sequence according to the coding conditions; A self-check unit, configured to self-check the coding sequence, determine the self-checked coding sequence as a coding signal, and output the coding signal; An output unit, configured to generate a driving signal for the direction relay according to the direction information, and output the driving signal to the direction relay through an attenuator; A control unit, which is configured to receive the direction status of the inspection return direction relay and send the direction status to the train operation control system.

10. The device according to claim 9, characterized in that, When the sequence unit is configured to receive the coding condition and direction information sent by the train operation control system, it includes: The train operation control system generates a coding condition according to the signal frequency representation of the train that can enter the station in the station-yard train line; Generate a coding sequence according to the coding condition.

11. The device according to claim 10, characterized in that, When the sequence unit is configured to receive the coding condition and direction information sent by the train operation control system, it includes: Receive the direction information generated by the train operation control system according to the current identification of the train entering the station.

12. The device according to claim 11, characterized in that, When the self-check unit is configured to perform a self-check on the coding sequence and determine the coded sequence after the self-check as a coded signal, it includes: Compare the signal frequency in the coding sequence with the signal frequency determined by the train operation control system; When the signal frequency in the coding sequence is consistent with the signal frequency determined by the train operation control system, output a coded signal; When the signal frequency in the coding sequence is inconsistent with the signal frequency determined by the train operation control system, output a coded signal termination information.

13. An electronic device, characterized in that, It includes: A processor, a communication interface, a memory, and a communication bus. Among them, the processor, the communication interface, and the memory complete mutual communication through the communication bus; A memory, which stores a computer program; The processor, when executing the program stored in the memory, implements the method for reducing the power of the track circuit according to any one of claims 1 to 8.

14. A computer-readable storage medium, characterized in that, A computer program is stored, and when the computer program is executed by the processor, the method for reducing the power of the track circuit according to any one of claims 1 to 8 is implemented.

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