CN220447888U - Semi-automatic block information transmission system - Google Patents

Abstract

The utility model relates to a semi-automatic block information transmission system, which is applied to the technical field of railway signal transmission and comprises the following components: and the main control module: for obtaining a voltage signal of the semi-self-closing circuit, transmitting a voltage control signal to the communication module according to the voltage signal, or, the voltage control circuit is used for receiving the voltage control signal sent by the sending station and received by the communication module of the voltage control signal and sending the voltage control signal to the semi-self-closing circuit; and a communication module: the voltage control signal is used for sending the voltage control signal to the communication module of the receiving station or receiving the voltage control signal sent by the communication module of the sending station; the communication module of the sending station and the communication module of the receiving station are connected through an optical cable line; by setting the transmission path between the stations as optical cable transmission, compared with pulse voltage signals of the traditional cable line, the optical signals cannot generate voltage drop due to the distance, the received voltage is ensured to be a constant value, and the problem that the voltage needs to be adjusted one by stations due to the consumption of manpower and material resources when the station is opened is avoided.

Description

Semi-automatic block information transmission system

Technical Field

The utility model relates to the technical field of railway signal transmission, in particular to a semi-automatic block information transmission system.

Background

The railway signal semi-automatic blocking system has the advantages of stable operation, low cost, simplicity and convenience in maintenance, and can realize the communication function of semi-automatic blocking between stations by only using a pair of cables, so that the railway signal semi-automatic blocking system is widely used.

For stations with semi-automatic blocking signals, in the prior art, driving procedures are generally handled by receiving pulse voltage signals transmitted on overhead open wires and cables;

but because of the relation of the distances between different stations, the pulse voltage can generate voltage drop on the line, and the voltage drop on the line is different between stations with different distances, so that the voltage sent by the stations of the semi-automatic blocking signal is different, and the stations need to be adjusted one by one while the stations are opened, which consumes manpower and material resources.

Disclosure of Invention

Accordingly, the present utility model is directed to a semi-automatic blocking information transmission system, so as to solve the problems in the prior art that a driving procedure is handled by a pulse voltage signal transmitted on a cable, a voltage drop is generated on a pulse voltage line, and voltage drops on the line are different between stations with different distances, so that voltage transmitted by stations with the semi-automatic blocking signal are different, and when the semi-automatic blocking information transmission system is opened, manpower and material resources are required to be consumed to adjust one station after another, which is time-consuming and labor-consuming.

The utility model provides a semi-automatic block information transmission system, which comprises:

and the main control module: for obtaining a voltage signal of the semi-self-closing circuit, transmitting a voltage control signal to the communication module according to the voltage signal, or, the voltage control signal is used for receiving the voltage control signal sent by the sending station and received by the communication module of the self and sending the voltage control signal to the semi-self-closing circuit;

and a communication module: the voltage control signal is used for sending the voltage control signal to the communication module of the receiving station or receiving the voltage control signal sent by the communication module of the sending station;

the communication modules of the sending station and the receiving station are connected through an optical cable line.

Preferably, the method comprises the steps of,

the main control module comprises:

IO interface board and motherboard;

the IO interface board is used for acquiring a voltage signal of the semi-self-closing circuit and sending the voltage signal to the mainboard;

the motherboard is used for sending a voltage control signal to the communication module according to the voltage signal.

Preferably, the method comprises the steps of,

the mainboard comprises a first mainboard and a second mainboard;

the first mainboard is respectively connected with the IO interface board and the communication module, and the second mainboard is respectively connected with the IO interface board and the communication module.

Preferably, the method comprises the steps of,

the IO interface board is further used for acquiring excitation signals of the semi-self-closing circuit and respectively sending the excitation signals to the first mainboard and the second mainboard, the first mainboard and the second mainboard compare the received excitation signals according to the received voltage signals, the first mainboard or the second mainboard which receives the correct excitation signals is used as a main control mainboard, and the main control mainboard sends voltage control signals to the communication module according to the voltage signals.

Preferably, the method comprises the steps of,

the communication module comprises a first communication module and a second communication module, one end of the first communication module is connected with the first mainboard and the second mainboard, the other end of the first communication module is connected with the first communication module of the other communication module through an optical cable line, one end of the second communication module is connected with the first mainboard and the second mainboard, and the other end of the second communication module is connected with the second communication module of the other communication module through the optical cable line.

Preferably, the method comprises the steps of,

the first communication module and the second communication module send voltage control signals to the first communication module and the second communication module of the receiving station at the same time, and the voltage control signals sent by the first communication module and the second communication module contain synchronous serial numbers.

Preferably, the method comprises the steps of,

the communication module of the sending station and the communication module of the receiving station are also connected through a cable line, and when the optical cable line is in fault, the communication module of the sending station and the communication module of the receiving station are connected through the cable line in a communication mode.

Preferably, the method comprises the steps of,

the optical cable line respectively transmits detection signals to the communication module of the transmitting station and the communication module of the receiving station, and when the communication module of the transmitting station or the communication module of the receiving station cannot receive the detection signals, the optical cable line is switched to the cable line for communication and connection with the communication module of the transmitting station and the communication module of the receiving station.

The technical scheme provided by the embodiment of the utility model can comprise the following beneficial effects:

according to the semi-automatic blocking system, the transmission path of the semi-automatic blocking system between two stations is changed from overhead open wires and cables to optical cable transmission, the transmitted signals are not voltage signals, but become optical signals, compared with pulse voltage signals of a cable line, the optical signals cannot generate voltage drops due to the distance, so that the voltage difference caused by the difference of the distance between stations is overcome, the received voltage is ensured to be a fixed value, the reliability of the blocking system is greatly improved, and the problem that the voltage needs to be adjusted one by stations due to the fact that manpower and material resources are consumed during opening is avoided.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a system diagram illustrating a semi-automatic blocking information transmission system according to an exemplary embodiment;

fig. 2 is a detailed system diagram of a semi-automatic blocking information transmission system according to an exemplary embodiment;

fig. 3 is a schematic diagram illustrating the transmission of an occlusion signal according to another exemplary embodiment;

in the accompanying drawings: the system comprises a 1-main control module, a 2-semiautomatic circuit, a 3-communication module, a 101-IO interface board, a 102-first main board, a 103-second main board, a 301-first communication module and a 302-second communication module.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with aspects of the utility model as detailed in the accompanying claims.

Example 1

Fig. 1 is a system diagram illustrating a semi-automatic blocking information transmission system according to an exemplary embodiment, the system comprising:

the main control module 1: the voltage control circuit is used for acquiring a voltage signal of the semi-self-closing circuit 2, sending a voltage control signal to the communication module 3 according to the voltage signal, or receiving the voltage control signal sent by a sending station and received by the communication module 3 of the communication module and sending the voltage control signal to the semi-self-closing circuit 2;

communication module 3: for transmitting a voltage control signal to the communication module 3 of the receiving station or for receiving a voltage control signal transmitted by the communication module 3 of the transmitting station;

the communication module 3 of the sending station and the communication module 3 of the receiving station are connected through an optical cable line;

it can be understood that in this embodiment, the first station and the second station communicate through the semiautomatic block information transmission system, and the first station is used as a signal output station, so that the first station firstly obtains a voltage signal of its own semiautomatic circuit, the voltage signal is represented by positive and negative, the different positive and negative represent the states of the switch of the relay of the semiautomatic circuit, the voltage signal is converted into an optical signal and sent to the second station through the optical cable line, the communication module 3 of the second station receives the voltage control signal and then sends the voltage control signal to its own semiautomatic circuit, and the relay in the semiautomatic circuit controls its own relay action according to the voltage control signal, so as to realize synchronization of the second station and the first station; according to the semi-automatic blocking system, the transmission path of the semi-automatic blocking system between two stations is changed from overhead open wires and cables to optical cables, the transmitted signals are not voltage signals, but become optical signals, compared with pulse voltage signals of a cable line, the optical signals cannot generate voltage drops due to the distance, so that the voltage difference existing between stations due to the difference of the distance between stations is overcome, the received voltage is ensured to be a fixed value, the reliability of the blocking system is greatly improved, the problem that the voltage needs to be adjusted one station by one due to the fact that manpower and material resources are consumed when the blocking system is opened is avoided, meanwhile, the cable implementation can be omitted or the use of cable core wires is reduced after the optical transmission mode is adopted, the workload of maintenance personnel is reduced, meanwhile, the characteristics of small optical fiber communication loss, long relay distance and strong electromagnetic interference resistance are utilized, and the safety of blocking signal system maintenance is greatly improved.

Preferably, the method comprises the steps of,

the main control module 1 includes:

IO interface board 101 and motherboard;

the IO interface board 101 is configured to obtain a voltage signal of the semi-self-closing circuit 2 and send the voltage signal to a motherboard;

the motherboard is used for sending a voltage control signal to the communication module 3 according to the voltage signal;

it is understood that the IO interface board 101 corresponds to the signal positive and signal negative interfaces in fig. 3, and the interface units adopt a two-by-two mode.

Preferably, the method comprises the steps of,

the motherboard includes a first motherboard 102 and a second motherboard 103;

the first motherboard 102 is respectively connected with the IO interface board 101 and the communication module 3, and the second motherboard 103 is respectively connected with the IO interface board 101 and the communication module 3;

it can be understood that the semi-automatic blocking information transmission system in the application adopts two main machines, namely one main machine and one standby machine, so that the problem that signals cannot be timely transmitted to the second station under the condition that information received by one main machine is incorrect or the main machine is damaged can be effectively avoided, namely, voltage data acquired by the IO interface board 102 can be simultaneously transmitted to two main boards, then the two main boards are used for data correction, the working main machine is confirmed, and communication data is transmitted to the outside by the working main machine after confirmation.

Preferably, the method comprises the steps of,

the IO interface board 101 is further configured to obtain an excitation signal of the semi-self-closing circuit 2, and send the excitation signal to the first motherboard 102 and the second motherboard 103, where the first motherboard 102 and the second motherboard 103 compare the respective received excitation signals according to the received voltage signals, and use the first motherboard 102 or the second motherboard 103 that receives the correct excitation signal as a main control motherboard, and the main control motherboard sends a voltage control signal to the communication module 3 according to the voltage signals;

it can be understood that, as shown in fig. 3 or fig. 2, as described above, the positive and negative of the voltage signal are in a corresponding relationship with the switch state of the relay, and the station a is used as the signal output party, and after acquiring the voltage signal of the station a, the station a further synchronously acquires the excitation signal of the semi-automatic circuit of the station a, where the excitation signal is specifically: the ZDJ/FDJ/ZXJ/FXJ, that is, the positive line relay ZXJ receives the positive polarity blocking signal, the negative line relay FXJ receives the negative polarity blocking signal, the positive line relay ZDJ sends the positive polarity blocking signal, the negative line relay FDJ sends the negative polarity blocking signal, the first host board 102 or the second host board 103 can know who receives the correct excitation signal according to the obtained excitation signal and the positive and negative of the voltage signal, so that it can verify which host board or the corresponding line of the host board is normal, the host board is used as the master host board, that is, the working host board, the host board sends communication data to the outside, and the host board with data verification error sends alarm information, each channel is collected for 1 time for 10ms, the data is continuously collected for 10 times and is considered to be valid, the second host station as the receiving signal, after receiving the data transmitted by the first host board 102 and the second host board 103 of the first host station send output signals to the semi-automatic circuit (dynamic two-way host board) of the host board, the host board can confirm that the host board is valid, and the other host board is invalid, if the host board is valid, the host board is invalid, and the host j can output itself, if the host j is valid.

Preferably, the method comprises the steps of,

the communication module 3 includes a first communication module 301 and a second communication module 302, one end of the first communication module 301 is connected to the first motherboard 102 and the second motherboard 103, the other end of the first communication module 301 is connected to the first communication module 301 of the other communication module 3 through an optical cable line, one end of the second communication module 302 is connected to the first motherboard 102 and the second motherboard 103, and the other end of the second communication module 302 is connected to the second communication module 302 of the other communication module 3 through an optical cable line;

it will be appreciated that, as shown in fig. 2, the two communication units (the first communication module 301 and the second communication module 302) are not separately provided, and when data is transmitted, the two communication channels are simultaneously transmitted, which is why both communication modules need to be connected to the two mainboards and the communication module 3 of the other station.

Preferably, the method comprises the steps of,

the first communication module 301 and the second communication module 302 send voltage control signals to the first communication module 301 and the second communication module 302 of the receiving station at the same time, and the voltage control signals sent by the first communication module 301 and the second communication module 302 include a synchronization sequence number;

it can be understood that, because of adopting RSSP-I protocol, the data string has synchronous sequence number, which channel data is received first, which channel data is processed first, and then received data is not processed any more; therefore, the two communication channels are not divided into main and standby, and seamless fusion is realized.

Preferably, the method comprises the steps of,

the communication module 3 of the sending station and the communication module 3 of the receiving station are also connected through a cable line, and when the optical cable line is in fault, the communication module 3 of the sending station and the communication module 3 of the receiving station are connected through the cable line in a communication mode;

it should be understood that although the present application uses optical cable lines for communication, the present application also includes cable communication in the prior art, simply referred to as a common, main communication connection mode, and cable communication is used as a standby communication connection mode in the case of a failure of the optical cable communication.

Preferably, the method comprises the steps of,

the optical cable line respectively transmits detection signals to the communication module 3 of the transmitting station and the communication module 3 of the receiving station, and when the communication module 3 of the transmitting station or the communication module 3 of the receiving station cannot receive the detection signals, the optical cable line is switched to be in communication connection with the communication module 3 of the transmitting station and the communication module 3 of the receiving station;

it can be understood that in this embodiment, the means for detecting whether the optical cable line fails is that the optical cable line sends a detection signal to the communication modules 3 at two ends connected with the optical cable line at any time, and when the communication module 3 at any end fails to receive the detection signal, it indicates that the optical cable line fails, and when the communication module sends a signal, the communication module will start to the optical cable line, and the optical cable line performs standby communication, and the communication channel adopts a dual-communication channel redundancy structure, and any two of 2M (point-to-point), optical fiber (point-to-point), 2M (ring network) and FE optical interface channels can be combined to form a dual channel.

It can be understood that the system adopts a double-input power supply mode (two paths of independent-48V power supply) in the aspect of power supply, and adopts multiple paths of power supplies (a system power supply, an internal relay driving power supply, an external detection power supply, a dynamic relay state acquisition power supply and an output driving ZXJ and FXJ power supply) to be isolated from each other;

it is to be understood that the same or similar parts in the above embodiments may be referred to each other, and that in some embodiments, the same or similar parts in other embodiments may be referred to.

It should be noted that in the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "plurality" means at least two.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present utility model in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present utility model.

It is to be understood that portions of the present utility model may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.

Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.

In addition, each functional unit in the embodiments of the present utility model may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.

The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (8)

1. A semi-automatic occlusion information delivery system, the system comprising:

and the main control module: for obtaining a voltage signal of the semi-self-closing circuit, transmitting a voltage control signal to the communication module according to the voltage signal, or, the voltage control signal is used for receiving the voltage control signal sent by the sending station and received by the communication module of the self and sending the voltage control signal to the semi-self-closing circuit;

and a communication module: the voltage control signal is used for sending the voltage control signal to the communication module of the receiving station or receiving the voltage control signal sent by the communication module of the sending station;

the communication modules of the sending station and the receiving station are connected through an optical cable line.

2. The system of claim 1, wherein the system further comprises a controller configured to control the controller,

the main control module comprises:

IO interface board and motherboard;

the IO interface board is used for acquiring a voltage signal of the semi-self-closing circuit and sending the voltage signal to the mainboard;

the motherboard is used for sending a voltage control signal to the communication module according to the voltage signal.

3. The system of claim 2, wherein the system further comprises a controller configured to control the controller,

the mainboard comprises a first mainboard and a second mainboard;

the first mainboard is respectively connected with the IO interface board and the communication module, and the second mainboard is respectively connected with the IO interface board and the communication module.

4. The system of claim 3, wherein the system further comprises a controller configured to control the controller,

the IO interface board is further used for acquiring excitation signals of the semi-self-closing circuit and respectively sending the excitation signals to the first mainboard and the second mainboard, the first mainboard and the second mainboard compare the received excitation signals according to the received voltage signals, the first mainboard or the second mainboard which receives the correct excitation signals is used as a main control mainboard, and the main control mainboard sends voltage control signals to the communication module according to the voltage signals.

5. The system of claim 4, wherein the system further comprises a controller configured to control the controller,

the communication module comprises a first communication module and a second communication module, one end of the first communication module is connected with the first mainboard and the second mainboard, the other end of the first communication module is connected with the first communication module of the other communication module through an optical cable line, one end of the second communication module is connected with the first mainboard and the second mainboard, and the other end of the second communication module is connected with the second communication module of the other communication module through the optical cable line.

6. The system of claim 5, wherein the system further comprises a controller configured to control the controller,

the first communication module and the second communication module send voltage control signals to the first communication module and the second communication module of the receiving station at the same time, and the voltage control signals sent by the first communication module and the second communication module contain synchronous serial numbers.

7. The system of claim 1, wherein the system further comprises a controller configured to control the controller,

the communication module of the sending station and the communication module of the receiving station are also connected through a cable line, and when the optical cable line is in fault, the communication module of the sending station and the communication module of the receiving station are connected through the cable line in a communication mode.

8. The system of claim 7, wherein the system further comprises a controller configured to control the controller,

the optical cable line respectively transmits detection signals to the communication module of the transmitting station and the communication module of the receiving station, and when the communication module of the transmitting station or the communication module of the receiving station cannot receive the detection signals, the optical cable line is switched to the cable line for communication and connection with the communication module of the transmitting station and the communication module of the receiving station.