CN113933703A - Switch power acquisition system, method, object controller and storage medium - Google Patents
Switch power acquisition system, method, object controller and storage medium Download PDFInfo
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Abstract
The application provides a switch power acquisition system, a switch power acquisition method, an object controller and a storage medium, wherein the switch power acquisition system comprises an object controller OC and a switch, the OC comprises a switch board card, and the switch board card comprises an execution unit and a power acquisition unit; the execution unit is connected with each action line of the switch machine and is used for acquiring action instructions of turnouts and position information of the turnouts through the switch machine; the power acquisition unit is connected with the execution unit and used for acquiring current signals and voltage signals of the switch machine through the execution unit and receiving action instructions of turnouts and position information of the turnouts, which are sent by the execution unit; the power acquisition unit is also used for calculating the power of the switch machine based on the action command of the turnout, the position information of the turnout, the current signal and the voltage signal. This application can realize the power collection and the control of change machine through the OC, need not additionally to set up monitoring facilities and can monitor the operating condition of change machine.
Description
Technical Field
The present application relates to the field of rail transit technologies, and in particular, to a power acquisition system and method for a switch, an object controller, and a storage medium.
Background
A switch is a line connection device for switching a rolling stock from one track to another, usually laid in large numbers at stations, marshalling stations. The point switch is an important signal basic device which can be used for switching the position of the turnout, changing the opening direction of the turnout, locking the switch point rail and reflecting the position of the turnout.
The switch can change the position and the opening direction of the turnout under the control of an Object Controller (OC), thereby changing the running track of the train. Therefore, the operating state of the switch machine can affect the operation order and the operation safety of the train.
In order to ensure that the train can safely and orderly operate, the voltage, current and other data of the switch machine and the turnout need to be monitored so as to analyze the faults of the turnout machine and the switch machine.
However, the current OC device cannot directly monitor the power of the switch machine, and the power of the switch machine can be obtained only through the additionally arranged monitoring device.
Disclosure of Invention
The embodiment of the application provides a power acquisition system and method of a switch machine, an object controller and a storage medium, which are used for solving the problem that the existing OC equipment cannot directly monitor the power of the switch machine.
According to a first aspect of the embodiments of the present application, a power acquisition system of a switch is provided, where the system includes an object controller OC and a switch, the OC includes a switch board card, and the switch board card includes an execution unit and a power acquisition unit;
the execution unit is connected with each action line of the switch machine and is used for acquiring action instructions of turnouts and position information of the turnouts through the switch machine;
the power acquisition unit is connected with the execution unit and is used for acquiring current signals and voltage signals of the switch machine through the execution unit and receiving action instructions of turnouts and position information of the turnouts, which are sent by the execution unit;
the power acquisition unit is further used for calculating the power of the switch machine based on the action command of the turnout, the position information of the turnout, the current signal and the voltage signal.
According to a second aspect of the embodiments of the present application, there is provided a switch power acquisition method applied to an object controller OC in the switch power acquisition system of the first aspect, the method including:
acquiring instantaneous current data of the switch machine once every preset time interval, and calculating the effective current of a three-phase power supply of the switch machine according to the continuous instantaneous current data for multiple times;
acquiring instantaneous voltage data of the switch once every preset time interval, and calculating the line voltage of a three-phase power supply of the switch according to the continuous multiple instantaneous voltage data;
and calculating the power of the switch machine according to the effective current of the three-phase power supply and the line voltage of the three-phase power supply.
According to a third aspect of the embodiments of the present application, there is provided an object controller, including a power operation processor, a memory and a bus, where the memory stores machine-readable instructions executable by the power operation processor, when the power operation processor runs, the power operation processor and the memory communicate with each other through the bus, and the machine-readable instructions, when executed by the power operation processor, execute the switch power collection method according to the second aspect.
According to a fourth aspect of the embodiments of the present application, there is provided a storage medium, on which a computer program is stored, where the computer program is executed by a processor to execute the switch power collecting method of the second aspect.
The application provides a switch power acquisition system, a switch power acquisition method, an object controller and a storage medium, wherein the switch power acquisition system comprises an object controller OC and a switch, the OC comprises a switch board card, and the switch board card comprises an execution unit and a power acquisition unit; the execution unit is connected with each action line of the switch machine and is used for acquiring action instructions of turnouts and position information of the turnouts through the switch machine; the power acquisition unit is connected with the execution unit and used for acquiring current signals and voltage signals of the switch machine through the execution unit and receiving action instructions of turnouts and position information of the turnouts, which are sent by the execution unit; the power acquisition unit is also used for calculating the power of the switch machine based on the action command of the turnout, the position information of the turnout, the current signal and the voltage signal. This application can realize the power collection and the control of change machine through the OC, need not additionally to set up monitoring facilities and can monitor the operating condition of change machine.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic diagram of a power acquisition system of a switch machine according to an embodiment of the present disclosure;
fig. 2 is a second schematic diagram of a power acquisition system of a switch provided in the embodiment of the present application;
fig. 3 is a schematic diagram of a power acquisition circuit of a five-wire system switch provided in the embodiment of the present application;
FIG. 4 is a schematic diagram of a dual-system structure of an OC provided in the present application;
fig. 5 is a schematic diagram of a switch board card provided in the embodiment of the present application;
fig. 6 is a flowchart of a power acquisition method of a switch provided in the embodiment of the present application.
Detailed Description
In the process of implementing the present application, the inventor finds that the current OC device cannot directly monitor the power of the switch machine, and the power of the switch machine can be obtained only by an additionally arranged monitoring device.
In order to solve the above problems, the present application provides a switch power acquisition system, a switch power acquisition method, an object controller and a storage medium, where the switch power acquisition system includes an object controller OC and a switch, the OC includes a switch board card, and the switch board card includes an execution unit and a power acquisition unit; the execution unit is connected with each action line of the switch machine and is used for acquiring action instructions of turnouts and position information of the turnouts through the switch machine; the power acquisition unit is connected with the execution unit and used for acquiring current signals and voltage signals of the switch machine through the execution unit and receiving action instructions of turnouts and position information of the turnouts, which are sent by the execution unit; the power acquisition unit is also used for calculating the power of the switch machine based on the action command of the turnout, the position information of the turnout, the current signal and the voltage signal. This application can realize the power collection and the control of change machine through the OC, need not additionally to set up monitoring facilities and can monitor the operating condition of change machine.
The scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic view of a power collection system 10 of a switch machine according to an embodiment of the present disclosure. In this embodiment, the switch power collecting system 10 includes an object controller OC11 and a switch 12, where the OC11 includes a switch board card, and the switch board card includes an execution unit and a power collecting unit.
The execution unit is connected with each action line of the switch 12 and is used for acquiring action instructions of turnouts and position information of the turnouts through the switch 12. The power acquisition unit is connected with the execution unit and used for acquiring the current signal and the voltage signal of the switch 12 through the execution unit and receiving the action command of the turnout and the position information of the turnout sent by the execution unit.
The power acquisition unit is also used for calculating the power of the switch 12 based on the action command of the switch, the position information of the switch, the current signal and the voltage signal.
This embodiment provides a power acquisition system of switch machine, can directly carry out power acquisition to switch machine 12 through object controller OC11, need not additionally to set up monitoring facilities, has promoted the convenience when switching machine power acquisition.
Optionally, referring to fig. 2, fig. 2 is a second schematic diagram of the power collection system 10 of the switch machine provided in the embodiment of the present application, in this embodiment, a trackside terminal 13 and a distribution cabinet 14 are further disposed between the OC11 and the switch machine 12.
The trackside terminal 13 comprises a plurality of binding posts which are respectively used for being connected with each action line of the switch 12; the distribution cabinet 14 includes a plurality of terminals, which are respectively used for being connected with the terminals of the trackside terminal 12.
Optionally, with continued reference to fig. 2, in the present embodiment, the system further includes an interlock equipment maintenance workstation 15 and a maintenance support system 16. The interlocking equipment maintenance workstation 15 is in communication connection with the power acquisition unit and is used for acquiring the power of the switch machine calculated by the power acquisition unit; the maintenance support system 16 is connected to the interlock maintenance workstation 15, and is configured to obtain the power of the switch from the interlock maintenance workstation 15.
It should be noted that the number of terminals of the trackside terminal 13 and the distribution cabinet 14 is the same as the number of the operation lines of the switch 12.
Alternatively, the currently-used switch 12 may include five action lines, wherein one action line is equal to the a-phase voltage, two action lines are equal to the B-phase voltage, and two action lines are equal to the C-phase voltage.
Specifically, referring to fig. 3, fig. 3 is a schematic diagram of a power acquisition circuit of a five-wire switch provided in the embodiment of the present application. In fig. 3, the five operating lines of the switch 12 are X1, X2, X3, X4 and X5, and the number of terminals of the trackside terminal 13 (i.e., HZ-24 in fig. 3) and the distribution cabinet 14 is 5.
When the voltage signal of the switch 12 is collected, X3, X5 and the C-phase voltage in the operating line of the switch 12 are equal, X2, X4 and the B-phase voltage are equal, and X1 and the a-phase voltage are equal. Therefore, the acquisition unit can acquire and obtain the instantaneous voltages (Ua, Ub and Uc) of the switch 12 by acquiring the voltages of X1-X5.
When current signals of the switch are collected, action lines X3 and X5 are connected to a C-phase power supply based on a five-wire control circuit principle, and the current passing through X3 and X5 is corresponding instantaneous current Ic. Similarly, the current passing through X2 and X4 is the instantaneous current I of the B-phase power supplybThe current passing through X1 is the instantaneous current I of the A-phase power supplya. The acquisition unit acquires the instantaneous currents (Ia, Ib and Ic) of the switch 12 by acquiring the currents on the contact circuit cable.
After the power acquisition unit of the switching machine board card acquires the action instruction of the turnout and the position information of the turnout, the power of the switching machine can be calculated by combining the current signal and the voltage signal.
Optionally, referring to fig. 4, fig. 4 is a schematic diagram of a dual-system structure of an OC provided in the embodiment of the present application. The OC11 includes at least two switch boards, each of which includes an execution unit and a power acquisition unit.
In the present embodiment, the OC11 is a security system, and adopts a two-by-two architecture, and both the a and B systems have the function of collecting the power of the switch 12. In specific use, in order to ensure the uniqueness of the acquired information, a main system and a standby system are generally required to be arranged first, wherein the main system is used for processing and outputting the acquired information, and the standby system does not output data. When the main system fails, the main system can be switched to the standby system through the backup unit, and the switch 12 is controlled or power is collected through the standby system.
In the present embodiment, the execution unit includes a plurality of motion relays and a plurality of motion control processors. Each action relay is integrated in the switching machine board card and is respectively used for outputting an A-phase power supply, a B-phase power supply and a C-phase power supply; and each action control processor is used for controlling the turnout through the switch.
Optionally, in this embodiment, the power collecting unit includes a power operation processor, an action voltage collecting circuit, and a current collecting circuit.
The input end of the action acquisition circuit is connected with the output end of each action relay of the execution unit and is used for acquiring a voltage signal of an A-phase power supply, a voltage signal of a B-phase power supply and a voltage signal of a C-phase power supply; the input end of the current acquisition circuit is connected with the output end of each action relay of the execution unit and is used for acquiring a current signal of an A-phase power supply, a current signal of a B-phase power supply and a current signal of a C-phase power supply; the output end of the action voltage acquisition circuit and the output end of the current acquisition circuit are connected with the input end of the power operation processor.
Optionally, in this embodiment, the execution unit further includes a safety and gate, and the power operation processor is connected to the action control processor through the safety and gate;
the power operation processor is also used for acquiring the action instruction of the turnout, the position information of the turnout and the main and standby information of the switch board card where the switch board card is located, which are output by the action control processor, through the safety AND gate.
The above embodiments will be described with reference to the drawings. Referring to fig. 5, fig. 5 is a schematic diagram of a switch board card provided in the embodiment of the present application. When the switch 12 is a five-wire switch, the execution unit may include three action relays, which are respectively K1, K2 and K3, and the three action relays are connected to five action wires of the switch 12. The K1 is connected to the operation line X1 of the switch 12 for outputting a-phase power, the K2 is connected to the operation lines X2, X4 of the switch 12 for outputting B-phase power, and the K3 is connected to the operation lines X3, X5 of the switch 13 for outputting C-phase power.
With reference to fig. 5, the execution unit may further include two motion control processors, which are CPU1 and CPU2, respectively, CPU1 and CPU2 are configured to collect motion timings of the switches and position information of the switches, and after collecting the information, CPU1 and CPU2 select one of the paths of data to be output to CPU3 (i.e., power operation processor) through the security and gate. The information collected by the CPU1 and the CPU2 includes a switch operation Start command Start, a switch operation stop command End, switch positioning information DB, switch flip information FB, master information Pr of the present tie card, and backup information St of the present tie card.
It should be noted that, because the OC11 includes two switch board cards, that is, the main board card and the standby board card, when in specific use, only the main board card performs power operation according to the collected current signal and voltage signal, and the standby board card does not perform operation.
Each switch board card comprises a CPU1, a CPU2 and a CPU3, and if the CPU3 acquires that the board card where the switch board card is located is a standby board card through the CPU1 and the CPU2, the CPU3 does not perform power operation; only the CPU3 on the host board performs power calculation according to the collected current signal and voltage signal, and outputs power information obtained by calculation to other systems through the communication output port.
Referring to fig. 5, in fig. 5, the power collecting unit further includes an operation voltage collecting circuit and a current collecting circuit. The circuit acquisition circuit is connected to an X1 output path of the transfer machine 12 in a feed-through mutual inductance sampling mode by adopting current induction equipment and is used for acquiring the instantaneous current I of an A-phase power supplyaAnd collecting IaThe output is sent to a CPU3, and meanwhile, a circuit acquisition circuit is connected to output paths of X2 and X4 of the switch 12 and is used for acquiring the instantaneous current I of a B-phase power supplybAnd collecting IbThe output is sent to a CPU3, and meanwhile, a circuit acquisition circuit is connected to output paths of X3 and X5 of the switch 12 and is used for acquiring the instantaneous current I of a C-phase power supplycAnd collecting IcOutput to the CPU 3.
The action voltage acquisition circuit is used for acquiring the instantaneous voltage U of each phase power supply of the three-phase powera、UbAnd UcAnd sends the acquisition result to the power calculation processor CPU 3.
The power operation processor CPU3 judges whether power operation is needed according to the main/standby information of the local board card sent by the CPU1 and the CPU2, and if the received information is that the switch board card where the CPU3 is located is the main board card, the CPU3 performs operation by combining the current signal and the voltage signal according to the switch action time and the switch position information sent by the CPU1 and the CPU2 to obtain the power of the switch 12.
When calculating the power, firstly, the formula is calculated according to the power of the three-phase load
And respectively calculating the power of each phase of power supply, and adding the power of the three-phase power supply to obtain the power of the switch machine. Wherein, P is the power of each phase power supply of three-phase electricity, U is the effective voltage of each phase power supply, I is the effective current of each phase power supply, and effective voltage and effective current need to be obtained through instantaneous voltage and instantaneous current calculation.
Referring to fig. 6, fig. 6 is a flowchart of a power acquisition method of a switch provided in an embodiment of the present application. In the present embodiment, the switch power collection method is applied to the object controller OC11 described in the above embodiment. The method comprises the following steps:
and step S11, acquiring instantaneous current data of the switch machine once at preset time intervals, and calculating the effective current of the three-phase power supply of the switch machine according to the instantaneous current data of the switch machine for a plurality of times continuously.
And step S12, collecting the instantaneous voltage data of the switch machine once every preset time, and calculating the line voltage of the three-phase power supply of the switch machine according to the continuous instantaneous voltage data of multiple times.
And step S13, calculating the power of the switch machine according to the effective current of the three-phase power supply and the line voltage of the three-phase power supply.
In the above step, the preset time may be1ms, taking the A-phase power supply as an example, the instantaneous current I of the A-phase power supply can be collected every 1msaAnd storing the current data in a memory capable of storing 60 times of data, so that the memory segment always stores the instantaneous current data in the last 60ms (namely 3 power frequency periods). The CPU3 calculates the formula based on the effective current and the instantaneous current according to the stored instantaneous current I for 60 timesaCalculating the effective current I of the A-phase power supplyA. Similarly, in the same way, the effective current I of the B-phase power supply can be calculated and obtainedBAnd the effective current I of the C-phase power supplyC。
Similarly, when acquiring voltage data, the instantaneous voltage of each phase power supply is acquired every 1ms, and the CPU3 calculates the line voltage U between each phase power supply from the stored instantaneous voltages of 60 times based on the calculation formula of the effective voltage and the instantaneous voltageAC、UBC、UCA. Under normal conditions, the value of each line voltage should be around 380V.
And finally, calculating the power of the switch machine according to the following power calculation formula:
to sum up, the embodiment of the present application provides a power acquisition system and method for a switch, an object controller and a storage medium, where the power acquisition system for a switch includes an object controller OC and a switch, the OC includes a switch board card, a switch board card execution unit and a power acquisition unit; the execution unit is connected with each action line of the switch machine and is used for acquiring action instructions of turnouts and position information of the turnouts through the switch machine; the power acquisition unit is connected with the execution unit and used for acquiring current signals and voltage signals of the switch machine through the execution unit and receiving action instructions of turnouts and position information of the turnouts, which are sent by the execution unit; the power acquisition unit is also used for calculating the power of the switch machine based on the action command of the turnout, the position information of the turnout, the current signal and the voltage signal. This application can gather in real time and control the power of removing the machine through the OC, need not additionally to set up monitoring facilities.
The embodiment of the application further provides a storage controller, which comprises a power operation processor, a memory and a bus, wherein machine readable instructions executable by the power operation processor are stored in the memory, when the power operation processor runs, the power operation processor and the memory communicate through the bus, and the machine readable instructions are executed by the power operation processor to execute the switch power acquisition method provided by the embodiment.
Optionally, an embodiment of the present application further provides a storage medium, where a computer program is stored on the storage medium, and when the computer program is executed by the power operation processor, the switch power acquisition method provided in the embodiment of the present application is executed.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (11)
1. A power acquisition system of a switch machine is characterized by comprising an object controller OC and the switch machine, wherein the OC comprises a switch machine board card which comprises an execution unit and a power acquisition unit;
the execution unit is connected with each action line of the switch machine and is used for acquiring action instructions of turnouts and position information of the turnouts through the switch machine;
the power acquisition unit is connected with the execution unit and is used for acquiring current signals and voltage signals of the switch machine through the execution unit and receiving action instructions of turnouts and position information of the turnouts, which are sent by the execution unit;
the power acquisition unit is further used for calculating the power of the switch machine based on the action command of the turnout, the position information of the turnout, the current signal and the voltage signal.
2. The system of claim 1 wherein said OC comprises at least two switch boards.
3. The system of claim 2, wherein the execution unit comprises a plurality of motion relays and a plurality of motion control processors;
each action relay is respectively used for outputting an A-phase power supply, a B-phase power supply and a C-phase power supply;
and each action control processor is used for controlling the turnout through the switch.
4. The system of claim 3, wherein the power acquisition unit comprises a power operation processor, an action voltage acquisition circuit and a current acquisition circuit;
the input end of the action acquisition circuit is connected with the output end of each action relay of the execution unit and is used for acquiring a voltage signal of an A-phase power supply, a voltage signal of a B-phase power supply and a voltage signal of a C-phase power supply;
the input end of the current acquisition circuit is connected with the output end of each action relay of the execution unit and is used for acquiring a current signal of an A-phase power supply, a current signal of a B-phase power supply and a current signal of a C-phase power supply;
the output end of the action voltage acquisition circuit and the output end of the current acquisition circuit are connected with the input end of the power operation processor.
5. The system of claim 4, wherein the execution unit further comprises a safety AND gate, the power operation processor being connected to the action control processor through the safety AND gate;
the power operation processor is also used for acquiring the action instruction of the turnout, the position information of the turnout and the main and standby information of the switch board card where the switch board card is located, which are output by the action control processor, through the safety AND gate.
6. The system of claim 1, wherein a trackside terminal and a distribution cabinet are further provided between the OC and the switch;
the trackside terminal comprises a plurality of binding posts which are respectively used for being connected with each action line of the switch;
the distributing cabinet comprises a plurality of binding posts which are respectively used for being connected with the binding posts of the rail-side terminal.
7. The system of claim 6, further comprising an interlock equipment maintenance workstation and a maintenance support system;
the interlocking equipment maintenance workstation is in communication connection with the power acquisition unit and is used for acquiring the power of the switch machine calculated by the power acquisition unit;
and the maintenance support system is connected with the interlocking equipment maintenance workstation and is used for acquiring the power of the switch-back machine from the interlocking equipment maintenance workstation.
8. The system according to any one of claims 1-7, wherein the switch comprises five action lines, wherein one action line is equipotential with the A-phase voltage, two action lines are equipotential with the B-phase voltage, and two action lines are equipotential with the C-phase voltage.
9. A switch power acquisition method applied to an object controller OC in the switch power acquisition system according to any one of claims 1 to 7, the method comprising:
acquiring instantaneous current data of the switch machine once every preset time interval, and calculating the effective current of a three-phase power supply of the switch machine according to the continuous instantaneous current data for multiple times;
acquiring instantaneous voltage data of the switch once every preset time interval, and calculating the line voltage of a three-phase power supply of the switch according to the continuous multiple instantaneous voltage data;
and calculating the power of the switch machine according to the effective current of the three-phase power supply and the line voltage of the three-phase power supply.
10. An object controller comprising a power calculation processor, a memory and a bus, the memory storing machine readable instructions executable by the power calculation processor, the power calculation processor and the memory communicating over the bus when the power calculation processor is running, the machine readable instructions when executed by the power calculation processor performing the method of claim 9.
11. A storage medium having stored thereon a computer program for performing the method of claim 9 when executed by a power processor.
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