CN112611983B - Rail transit digital input/output channel detection method and device - Google Patents
Rail transit digital input/output channel detection method and device Download PDFInfo
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- CN112611983B CN112611983B CN202011432095.6A CN202011432095A CN112611983B CN 112611983 B CN112611983 B CN 112611983B CN 202011432095 A CN202011432095 A CN 202011432095A CN 112611983 B CN112611983 B CN 112611983B
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention provides a method and a device for detecting a digital quantity input/output channel of rail transit, wherein the method comprises the following steps: sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment based on a Hall sensor; and processing the current signal based on the AI acquisition board card, acquiring the intensity of the current signal, and reporting the intensity of the current signal to a main control board card in RIOM equipment. The invention realizes automatic detection and feedback of the current data of the digital quantity input and output channels, thereby more accurately reflecting the working state of the equipment, and has the advantages of convenient installation, wide measurement range, quick response time, high precision and strong overload capability.
Description
Technical Field
The invention relates to the technical field of signal detection, in particular to a method and a device for detecting a digital quantity input/output channel of rail transit.
Background
Currently, an RIOM (Remote Input/Output Module) jack mainly includes a power panel, a main control panel, a Digital Input (DI) panel, a Digital Output (DO) panel, an Analog Input (AI) panel, and the like, to collect hard-line signal status information of a train and execute a control Output command.
The digital input board card is generally 16 to 24 channels, the board card detects the states of the input channels on line, can sample and control the current output of each input channel, detects the states of the channels to be 1, 0 or an open circuit state, and the working voltage of the input channels to be 70 to 110Vdc. The digital quantity output board card is generally 16 to 24 channels, control output commands are executed, the states of the channels are isolated and checked back through an optical coupler, on-line channel states 1 or 0 are obtained, and working voltages of the output channels are 70 to 110Vdc.
The digital quantity input/output channel detection is usually carried out by detecting the state of the branch channel through an isolated optocoupler attached to a board card, and the feedback of the state of each input/output channel is limited to 1, 0 and open circuit.
Disclosure of Invention
The invention provides a method and a device for detecting a digital quantity input/output channel of rail transit, which are used for solving the defect that the detection of the digital quantity input/output channel is limited to the operation state of the detection channel in the prior art and realizing the detection of the current in the digital quantity input/output channel of the rail transit.
The invention provides a method for detecting a digital quantity input/output channel of rail transit, which comprises the following steps:
sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment based on a Hall sensor;
and processing the current signal based on the AI acquisition board card, acquiring the intensity of the current signal, and reporting the intensity of the current signal to a main control board card in RIOM equipment.
According to the method for detecting the digital quantity input and output channels of the rail transit provided by the invention, the current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment are sensed based on the Hall sensor, and the method further comprises the following steps:
detecting the running state of each digital quantity input channel based on a DI board card corresponding to each digital quantity input channel in the RIOM equipment; the digital quantity input channels are in one-to-one correspondence with the DI board cards;
detecting the running state of each digital quantity output channel based on a DO board card corresponding to each digital quantity output channel in the RIOM equipment; the digital quantity output channels are in one-to-one correspondence with the DO board cards;
accordingly, the sensing of the current signal of each digital quantity input channel and digital quantity output channel in the RIOM device based on the Hall sensor comprises:
if the running state of any digital quantity input channel or digital quantity output channel is signal on, the current signal of the digital quantity input channel or digital quantity output channel is sensed based on the Hall sensor.
According to the detection method for the digital quantity input/output channel of the rail transit, the Hall sensor is a closed-loop Hall current sensor, and is arranged at the inlet harness end of the positive electrode front panel of the digital quantity input channel and the digital quantity output channel in RIOM equipment.
According to the method for detecting the digital quantity input and output channels of the rail transit, the current signals are processed based on the AI acquisition board card, and the intensity of the current signals is obtained, and the method comprises the following steps:
converting the current signal into a voltage signal based on a pre-conditioning circuit in the AI acquisition board;
encoding the voltage signal into a digital signal based on an ADC circuit in the AI acquisition board;
and calculating the intensity of the current signal based on the MCU in the AI acquisition board according to the reference circuit proportion and the digital signal.
According to the method for detecting the digital quantity input/output channel of the rail transit provided by the invention, the AI-based acquisition board processes the current signal to obtain the intensity of the current signal, and then the method further comprises the following steps:
comparing the intensity of the current signal of each digital quantity input channel and each digital quantity output channel with a preset threshold value;
acquiring fault information corresponding to a digital quantity input channel and a digital quantity output channel according to the digital quantity input channel and the digital quantity output channel, wherein the intensity of the current signal is larger than the preset threshold value; and the digital quantity input channel and the digital quantity output channel are stored in advance in association with the fault information.
The invention also provides a detection device for the digital quantity input/output channel of the rail transit, which comprises a Hall sensor and an AI acquisition board card;
the Hall sensor is used for sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment;
the AI acquisition board card is used for processing the current signal, obtaining the intensity of the current signal, and reporting the intensity of the current signal to a main control board card in RIOM equipment.
According to the detection device for the digital quantity input/output channels of the rail transit provided by the invention, the DI board card corresponding to each digital quantity input channel in the RIOM equipment is used for detecting the running state of each digital quantity input channel; the digital quantity input channels are in one-to-one correspondence with the DI board cards;
the DO board card corresponding to each digital quantity output channel in the RIOM equipment is used for detecting the running state of each digital quantity output channel; the digital quantity output channels are in one-to-one correspondence with the DO board cards;
accordingly, the hall sensor is used for:
if the running state of any digital quantity input channel or digital quantity output channel is signal on, the current signal of the digital quantity input channel or digital quantity output channel is sensed based on the Hall sensor.
According to the detection device for the digital quantity input/output channel of the rail transit, the Hall sensor is a closed-loop Hall current sensor, and is arranged at the inlet harness end of the positive electrode front panel of the digital quantity input channel and the digital quantity output channel in RIOM equipment.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the steps of the method for detecting the digital quantity input/output channel of the rail transit are realized when the processor executes the computer program.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the rail transit digital quantity input output channel detection method as described in any one of the above.
According to the method and the device for detecting the digital quantity input/output channels of the rail transit, provided by the invention, the current signals of each digital quantity input/output channel are acquired in a non-contact mode through the Hall sensor, the channel current signals acquired by the Hall sensor are accurately sampled through the AI acquisition board expanded by RIOM equipment, the intensity of the current signals is calculated and reported to the main control board, and the current data of the digital quantity input/output channels are automatically detected and fed back, so that the working state of the equipment is more accurately reflected, the installation is convenient, the measuring range is wide, the response time is quick, the precision is high, and the overload capacity is strong.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for detecting a digital quantity input/output channel of rail transit;
FIG. 2 is a schematic diagram of the installation position of a Hall sensor in the detection method of the digital quantity input/output channel of the rail transit;
FIG. 3 is a schematic flow chart of processing a current signal by an AI acquisition board card in the detection method of the digital quantity input/output channel of the rail transit;
fig. 4 is a schematic structural diagram of the track traffic digital quantity input/output channel detection device provided by the invention;
fig. 5 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following describes a method for detecting a digital quantity input/output channel of rail transit according to the present invention with reference to fig. 1, which comprises the following steps: step 101, sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment based on a Hall sensor;
the RIOM device in this embodiment is a vehicle-mounted RIOM device in rail transit. In the embodiment, the Hall sensor is clamped in each digital quantity input channel and each digital quantity output channel in the RIOM equipment, and the sensing end of the Hall sensor is used for collecting current signals of each digital quantity input channel and each digital quantity output channel in the RIOM equipment.
And 102, processing the current signal based on an AI acquisition board card, acquiring the intensity of the current signal, and reporting the intensity of the current signal to a main control board card in RIOM equipment.
The AI acquisition board is an extension board of RIOM equipment and is used for acquiring current signals induced by the Hall sensor and processing the acquired current signals, such as conversion, sampling, quantization, calculation and the like, so as to acquire the intensity of the current signals. And then the AI acquisition board communicates with a main control board card in RIOM equipment through a CAN (Controller Area Network ) bus, and the intensity of the current signal is reported to the main control board card.
According to the embodiment, the hall sensor is used for non-contact collection of the current signals of each digital quantity input and output channel, the AI collection board card expanded by RIOM equipment is used for realizing accurate sampling of the channel current signals collected by the hall sensor, the intensity of the current signals is calculated and reported to the main control board card, automatic detection and feedback of the current data of the digital quantity input and output channels are realized, and therefore the working state of the equipment is more accurately reflected, the installation is convenient, the measuring range is wide, the response time is quick, the precision is high, and the overload capacity is strong.
Based on the above embodiment, the sensing, based on the hall sensor, of the current signal of each digital input channel and each digital output channel in the RIOM device in this embodiment further includes: detecting the running state of each digital quantity input channel based on a DI board card corresponding to each digital quantity input channel in the RIOM equipment; the digital quantity input channels are in one-to-one correspondence with the DI board cards; detecting the running state of each digital quantity output channel based on a DO board card corresponding to each digital quantity output channel in the RIOM equipment; the digital quantity output channels are in one-to-one correspondence with the DO board cards;
the running states of the digital quantity input channel detected by the DI board card and the running states of the digital quantity output channel detected by the DO board card comprise 0 and 1 states. When the state is 0, no signal is turned on, and when the state is 1, a signal is turned on. The DI board card and the DO board card report the detected running state of the channel to the main control board card through the CAN bus.
Accordingly, the sensing of the current signal of each digital quantity input channel and digital quantity output channel in the RIOM device based on the Hall sensor comprises: if the running state of any digital quantity input channel or digital quantity output channel is signal on, the current signal of the digital quantity input channel or digital quantity output channel is sensed based on the Hall sensor.
When the running states of the digital quantity input channel and the digital quantity output channel are 1, namely when signals are connected, the Hall sensor can sense current signals, and the signals are communicated with the main control board card for reporting after being processed by the AI acquisition board card.
Based on the above embodiment, in this embodiment, the hall sensor is a closed-loop hall current sensor, and is installed at an inlet harness end of a front panel of a positive electrode of a digital quantity input channel and a digital quantity output channel in the RIOM device.
The mounting position of the hall sensor is shown in fig. 2.
On the basis of the above embodiments, as shown in fig. 3, in this embodiment, the processing the current signal based on the AI acquisition board to obtain the intensity of the current signal includes: converting the current signal into a voltage signal based on a pre-conditioning circuit in the AI acquisition board; encoding the voltage signal into a digital signal based on an ADC circuit in the AI acquisition board; and calculating the intensity of the current signal according to the reference circuit proportion and the digital signal.
Specifically, after the AI acquisition board collects the current signal in the hall sensor, the current signal is converted into a voltage signal through the pre-conditioning circuit, then the voltage signal is sampled and quantized by a 16-bit Analog-to-Digital Converter (Analog-to-digital converter) circuit, the intensity of the current signal is calculated by using an MCU (Microcontroller Unit, micro control unit) with reference to the reference circuit proportion, the intensity of the current signal is fed back to the main control board through CAN communication, and EMC (Electro Magnetic Compatibility ) protection is carried out on the whole circuit.
Based on the above embodiments, in this embodiment, the processing the current signal based on the AI acquisition board to obtain the intensity of the current signal further includes: comparing the intensity of the current signal of each digital quantity input channel and each digital quantity output channel with a preset threshold value; acquiring fault information corresponding to a digital quantity input channel and a digital quantity output channel according to the digital quantity input channel and the digital quantity output channel, wherein the intensity of the current signal is larger than the preset threshold value; and the digital quantity input channel and the digital quantity output channel are stored in advance in association with the fault information.
Specifically, after the intensity of the current signal is obtained, the device connected to the RIOM device is analyzed according to the intensity of the current signal to perform fault location analysis. And comparing the current signal intensity of each digital quantity input channel and each digital quantity output channel with a preset threshold value, and selecting a channel with larger current signal intensity. The failure information corresponding to the channels selected by the difference value. Each piece of fault information may be related to a greater amperage of one or more channels. And determining the association relation between the channel and the fault information according to experience. And searching fault information corresponding to the channel with larger current intensity according to the association relation.
According to the embodiment, the feedback current intensity is automatically detected for each digital quantity input channel and each digital quantity output channel independently, and the deep analysis and positioning of the equipment fault information are realized according to the feedback current intensity.
The track traffic digital quantity input/output channel detection device provided by the invention is described below, and the track traffic digital quantity input/output channel detection device described below and the track traffic digital quantity input/output channel detection method described above can be correspondingly referred to each other.
As shown in fig. 4, the device comprises a hall sensor and an AI acquisition board; the Hall sensor is used for sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment;
the RIOM device in this embodiment may be a vehicle-mounted RIOM device in rail traffic, but is not limited to this application. In the embodiment, the Hall sensor is clamped in each digital quantity input channel and each digital quantity output channel in the RIOM equipment, and the sensing end of the Hall sensor is used for collecting current signals of each digital quantity input channel and each digital quantity output channel in the RIOM equipment.
The AI acquisition board card is used for processing the current signal, obtaining the intensity of the current signal, and reporting the intensity of the current signal to a main control board card in RIOM equipment.
The AI acquisition board is an extension board of RIOM equipment and is used for acquiring current signals induced by the Hall sensor and processing the acquired current signals, such as conversion, sampling, quantization, calculation and the like, so as to acquire the intensity of the current signals. And then the AI acquisition board communicates with a main control board in RIOM equipment through a CAN bus, and the intensity of the current signal is reported to the main control board.
According to the embodiment, the hall sensor is used for non-contact collection of the current signals of each digital quantity input and output channel, the AI collection board card expanded by RIOM equipment is used for realizing accurate sampling of the channel current signals collected by the hall sensor, the intensity of the current signals is calculated and reported to the main control board card, automatic detection and feedback of the current data of the digital quantity input and output channels are realized, and therefore the working state of the equipment is more accurately reflected, the installation is convenient, the measuring range is wide, the response time is quick, the precision is high, and the overload capacity is strong.
Based on the above embodiment, in this embodiment, the DI board card corresponding to each digital input channel in the RIOM device is configured to detect an operation state of each digital input channel; the digital quantity input channels are in one-to-one correspondence with the DI board cards; the DO board card corresponding to each digital quantity output channel in the RIOM equipment is used for detecting the running state of each digital quantity output channel; the digital quantity output channels are in one-to-one correspondence with the DO board cards;
accordingly, the hall sensor is used for: if the running state of any digital quantity input channel or digital quantity output channel is signal on, the current signal of the digital quantity input channel or digital quantity output channel is sensed based on the Hall sensor.
Based on the above embodiment, in this embodiment, the hall sensor is a closed-loop hall current sensor, and is installed at an inlet harness end of a front panel of a positive electrode of a digital quantity input channel and a digital quantity output channel in the RIOM device.
Based on the above embodiment, the AI acquisition board in this embodiment includes a pre-conditioning circuit, an ADC circuit and an MCU; the pre-conditioning circuit is used for converting the current signal into a voltage signal; the ADC circuit is used for encoding the voltage signal into a digital signal; the MCU is used for calculating the intensity of the current signal according to the reference circuit proportion and the digital signal.
On the basis of the above embodiment, the MCU in this embodiment is further configured to: comparing the intensity of the current signal of each digital quantity input channel and each digital quantity output channel with a preset threshold value; acquiring fault information corresponding to a digital quantity input channel and a digital quantity output channel according to the digital quantity input channel and the digital quantity output channel, wherein the intensity of the current signal is larger than the preset threshold value; and the digital quantity input channel and the digital quantity output channel are stored in advance in association with the fault information.
Fig. 5 illustrates a physical schematic diagram of an electronic device, as shown in fig. 5, which may include: processor 510, communication interface (Communications Interface) 520, memory 530, and communication bus 540, wherein processor 510, communication interface 520, memory 530 complete communication with each other through communication bus 540. Processor 510 may invoke logic instructions in memory 530 to perform a rail traffic digital quantity input output channel detection method comprising: sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment based on a Hall sensor; and processing the current signal based on the AI acquisition board card, acquiring the intensity of the current signal, and reporting the intensity of the current signal to a main control board card in RIOM equipment.
Further, the logic instructions in the memory 530 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the method for detecting a digital quantity input/output channel of rail transit provided by the above methods, the method comprising: sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment based on a Hall sensor; and processing the current signal based on the AI acquisition board card, acquiring the intensity of the current signal, and reporting the intensity of the current signal to a main control board card in RIOM equipment.
In yet another aspect, the present invention further provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the above-mentioned each provided rail traffic digital quantity input output channel detection method, the method comprising: sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment based on a Hall sensor; and processing the current signal based on the AI acquisition board card, acquiring the intensity of the current signal, and reporting the intensity of the current signal to a main control board card in RIOM equipment.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The method for detecting the digital quantity input and output channels of the rail transit is characterized by comprising the following steps of:
sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment based on a Hall sensor;
processing the current signal based on an AI acquisition board card, obtaining the intensity of the current signal, and reporting the intensity of the current signal to a main control board card in RIOM equipment;
the sensing of the current signal of each digital input channel and each digital output channel in the RIOM device based on the Hall sensor comprises the following steps:
detecting the running state of each digital quantity input channel based on a DI board card corresponding to each digital quantity input channel in the RIOM equipment; the digital quantity input channels are in one-to-one correspondence with the DI board cards;
detecting the running state of each digital quantity output channel based on a DO board card corresponding to each digital quantity output channel in the RIOM equipment; the digital quantity output channels are in one-to-one correspondence with the DO board cards;
accordingly, the sensing of the current signal of each digital quantity input channel and digital quantity output channel in the RIOM device based on the Hall sensor comprises:
if the running state of any digital quantity input channel or digital quantity output channel is signal on, sensing the current signal of the digital quantity input channel or digital quantity output channel based on the Hall sensor;
the AI-based acquisition board card processes the current signal to obtain the intensity of the current signal, and then the AI-based acquisition board card further comprises:
comparing the intensity of the current signal of each digital quantity input channel and each digital quantity output channel with a preset threshold value;
acquiring fault information corresponding to a digital quantity input channel and a digital quantity output channel according to the digital quantity input channel and the digital quantity output channel, wherein the intensity of the current signal is larger than the preset threshold value; and the digital quantity input channel and the digital quantity output channel are stored in advance in association with the fault information.
2. The method for detecting the digital quantity input/output channel of the rail transit according to claim 1, wherein the hall sensor is a closed-loop hall current sensor, and is installed at the inlet harness end of the positive electrode front panel of the digital quantity input channel and the digital quantity output channel in the RIOM device.
3. The method for detecting the digital quantity input/output channel of the rail transit according to claim 1 or 2, wherein the processing the current signal based on the AI acquisition board card, obtaining the intensity of the current signal, comprises:
converting the current signal into a voltage signal based on a pre-conditioning circuit in the AI acquisition board;
encoding the voltage signal into a digital signal based on an ADC circuit in the AI acquisition board;
and calculating the intensity of the current signal based on the MCU in the AI acquisition board according to the reference circuit proportion and the digital signal.
4. The rail transit digital quantity input/output channel detection device is characterized by comprising a Hall sensor and an AI acquisition board card;
the Hall sensor is used for sensing current signals of each digital quantity input channel and each digital quantity output channel in RIOM equipment;
the AI acquisition board card is used for processing the current signal, obtaining the intensity of the current signal and reporting the intensity of the current signal to a main control board card in RIOM equipment;
the sensing of the current signal of each digital input channel and each digital output channel in the RIOM device based on the Hall sensor comprises the following steps:
detecting the running state of each digital quantity input channel based on a DI board card corresponding to each digital quantity input channel in the RIOM equipment; the digital quantity input channels are in one-to-one correspondence with the DI board cards;
detecting the running state of each digital quantity output channel based on a DO board card corresponding to each digital quantity output channel in the RIOM equipment; the digital quantity output channels are in one-to-one correspondence with the DO board cards;
accordingly, the sensing of the current signal of each digital quantity input channel and digital quantity output channel in the RIOM device based on the Hall sensor comprises:
if the running state of any digital quantity input channel or digital quantity output channel is signal on, sensing the current signal of the digital quantity input channel or digital quantity output channel based on the Hall sensor;
the AI-based acquisition board card processes the current signal to obtain the intensity of the current signal, and then the AI-based acquisition board card further comprises:
comparing the intensity of the current signal of each digital quantity input channel and each digital quantity output channel with a preset threshold value;
acquiring fault information corresponding to a digital quantity input channel and a digital quantity output channel according to the digital quantity input channel and the digital quantity output channel, wherein the intensity of the current signal is larger than the preset threshold value; and the digital quantity input channel and the digital quantity output channel are stored in advance in association with the fault information.
5. The track traffic digital quantity input/output channel detection device according to claim 4, wherein the DI board card corresponding to each digital quantity input channel in the RIOM device is configured to detect an operation state of each digital quantity input channel; the digital quantity input channels are in one-to-one correspondence with the DI board cards;
the DO board card corresponding to each digital quantity output channel in the RIOM equipment is used for detecting the running state of each digital quantity output channel; the digital quantity output channels are in one-to-one correspondence with the DO board cards;
accordingly, the hall sensor is used for:
if the running state of any digital quantity input channel or digital quantity output channel is signal on, the current signal of the digital quantity input channel or digital quantity output channel is sensed based on the Hall sensor.
6. The rail transit digital quantity input/output channel detection device according to claim 4, wherein the hall sensor is a closed-loop hall current sensor, and is installed at the inlet harness end of the positive electrode front panel of the digital quantity input channel and the digital quantity output channel in the RIOM device.
7. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the rail transit digital quantity input output channel detection method according to any one of claims 1 to 3 when the program is executed.
8. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the rail transit digital quantity input output channel detection method of any of claims 1 to 3.
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| CN104765301A (en) * | 2015-03-10 | 2015-07-08 | 国核自仪系统工程有限公司 | Switching value output self-protection circuit |
| CN111751704A (en) * | 2020-06-17 | 2020-10-09 | 中车唐山机车车辆有限公司 | Standard motor train unit DI digital input signal fault detection device |
| CN112015608B (en) * | 2020-08-17 | 2023-12-19 | 中车大连电力牵引研发中心有限公司 | RIOM performance test universal device, system and method |
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2020
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