CN116476894A - Novel logic control module for metro vehicle - Google Patents
Novel logic control module for metro vehicle Download PDFInfo
- Publication number
- CN116476894A CN116476894A CN202310520211.7A CN202310520211A CN116476894A CN 116476894 A CN116476894 A CN 116476894A CN 202310520211 A CN202310520211 A CN 202310520211A CN 116476894 A CN116476894 A CN 116476894A
- Authority
- CN
- China
- Prior art keywords
- control unit
- data
- main control
- unit
- train
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005286 illumination Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 230000000737 periodic effect Effects 0.000 claims description 7
- 108091008695 photoreceptors Proteins 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 18
- 238000003745 diagnosis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 102100029368 Cytochrome P450 2C18 Human genes 0.000 description 1
- 101000919360 Homo sapiens Cytochrome P450 2C18 Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
- B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a novel logic control module of a metro vehicle, which relates to the technical field of vehicle control and comprises a back plate, a power module, a digital input and output unit, an analog input and output unit, a fire alarm unit, an intelligent instruction acquisition unit, an illumination control unit, a broadcast control unit and a main control unit. According to the invention, the host equipment such as the traditional programmable logic control unit, the fire alarm system, the intelligent lighting system, the intelligent instruction acquisition system and the broadcast control system is fused with the host, so that the host control unit can uniformly schedule a plurality of systems, the hardware interface and the software performance of the charging and utilizing device are utilized, and the equipment installation space is reduced; the main control unit uses a redundant design, and uses a power module with a redundant function to supply power, so that the reliability of the system is improved, and the cost of the system is reduced.
Description
Technical Field
The invention relates to the technical field of vehicle control, in particular to a novel logic control module for a metro vehicle.
Background
In recent years, with the rapid development of the rail transit industry, the wide application of ethernet communication networks (english: ethernet Consist Network, abbreviated as ECN) and the introduction of various new devices and new technologies, the system functions of urban rail vehicles have been in a trend of increasing. In particular, the wide application of the Real-time Ethernet (TRDP) protocol of rail transit provides conditions for the introduction of new equipment.
However, with the increase of various new devices, the host of each system device further occupies a limited installation space of the vehicle, and meanwhile, the performance of the host of the system with similar functions cannot be fully exerted. This not only adds difficulty to the introduction of new equipment, wastes host performance, increases system cost, but also increases failure points due to the addition of equipment, reducing the reliability of the train system. Therefore, it is necessary to integrate the host systems in urban rail vehicles and design and manufacture a highly reliable and highly integrated logic control module.
Disclosure of Invention
The invention provides a novel logic control module for a metro vehicle, which can integrate functions of all system equipment and improve the fusion degree of the equipment.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a novel logic control module of a metro vehicle comprises a back plate, wherein a power module, a digital quantity input output unit, an analog quantity input output unit, a fire alarm unit, an intelligent instruction acquisition unit, an illumination control unit, a broadcast control unit and a main control unit are arranged on the back plate;
the digital quantity input and output unit is used for acquiring digital quantity input signals of the train and transmitting the digital quantity input signals to the main control unit, and can acquire instruction data sent by the main control unit and convert the instruction data into digital quantity output signals;
the analog input and output unit is used for acquiring analog input signals of the train and transmitting the analog input signals to the main control unit, and can acquire command data sent by the main control unit and grasp the command data to change the analog output signals;
the fire alarm unit is used for collecting the state information of each detector of the train and transmitting the state information to the main control unit;
the intelligent instruction acquisition unit is used for acquiring the operation instruction of a driver of the intelligent instruction module and transmitting instruction data of the intelligent instruction system to the main control unit through the backboard;
the illumination control unit is used for collecting train photoreceptor signals, transmitting the train photoreceptor signals to the main control unit and outputting control illumination power supply signals;
the broadcast control unit is used for collecting train network instructions and multimedia equipment state data, converting the multimedia equipment state data into train network data and transmitting the train network data to a train network;
the main control unit is used for collecting network control instructions, summarizing and analyzing state information collected by the digital quantity input and output unit, the analog quantity input and output unit, the fire alarm unit and the illumination control unit, and sending control data to each unit.
Preferably, the digital quantity input and output unit converts the digital quantity signal of the train hard line into CAN data identified by the main control unit through the electric interface, and transmits the CAN data to the main control unit through the back plate, the main control unit transmits the command signal to the digital quantity input and output unit through the back plate, and the digital quantity input and output unit converts the acquired command signal into the digital quantity signal and transmits the digital quantity signal to the train hard line.
Preferably, the digital quantity input/output unit comprises a plurality of groups of safety input/output boards and a plurality of interface boards; a safe two-in-two digital quantity acquisition channel and a safe two-in-two digital quantity output channel are integrated in each group of the safe input/output boards, and data exchange is carried out with the main control unit through a CAN communication medium; the interface board is used for switching the external input electric signals to the backboard and transmitting the external input electric signals to the corresponding safe input/output board.
Preferably, the digital quantity acquisition channel is provided with a self-checking circuit capable of performing periodic self-checking and triggered self-checking.
Preferably, the analog input/output unit collects state data of multiple types of analog inputs of the train, converts analog signals into backboard CAN communication and transmits the backboard CAN communication to the main control unit, and the main control unit converts the received state data into train network data through a train network protocol and transmits the train network data into a train network.
Preferably, the fire alarm unit CAN collect status information of each fire detector of the train, convert status signals sent by the fire detectors into backboard CAN data identified by the main control unit and transmit the backboard CAN data to the main control unit, and convert control instructions of the main control unit into control instructions identified by the fire detectors, transmit the control instructions to each fire detector of the train and provide power for the fire detectors.
Preferably, the intelligent instruction acquisition module CAN acquire a driver operation instruction through an external two-way CAN interface, converts the operation instruction into backboard CAN data identified by the main control unit by using a backboard CAN communication protocol, and transmits the backboard CAN data to the main control unit through the backboard.
Preferably, the illumination control unit CAN collect state data of a light sensing sensor of the train through an electric interface, convert the state data into backboard CAN data identified by the main control unit, transmit the backboard to the main control unit, transmit command signals to the illumination control unit through the backboard after logic operation of the main control unit, and convert the collected command signals into PWM signals to be transmitted to the illumination power supply.
Preferably, the main control unit comprises a communication gateway board, a data recording board and two central processing boards, wherein the communication gateway board comprises a dual-homing Ethernet communication interface and CAN be interconnected with two CAN buses of the backboard through a redundant Ethernet bus; the communication gateway board CAN package and process CAN bus data into Ethernet protocol data, and transmit the Ethernet protocol data to the train bus, and CAN receive signals from the train bus and transmit the signals to the corresponding CAN bus; the two central processing boards adopt a CPU redundancy architecture of 2-out-of-2 and are provided with redundancy control lines, so that the states of the redundancy control lines of all boards can be detected, and the redundancy switching function is realized.
Preferably, the power module comprises two mutually redundant power boards, two independent power supplies can be provided for the backboard, and the front end and the rear end of the power boards are respectively provided with a protection and detection circuit.
Compared with the prior art, the invention has the beneficial effects that:
the traditional programmable logic control unit, the fire alarm system, the intelligent lighting system, the intelligent instruction acquisition system, the broadcast control system and other host equipment are fused with the host, and the host equipment is designed to be a power module, a digital quantity input output unit, an analog quantity input output unit, a fire alarm unit, an intelligent instruction acquisition unit, a lighting control unit, a broadcast control unit and a main control unit which are inserted on a back plate, so that the main control unit can uniformly schedule a plurality of systems, and the hardware interface and the software performance of the device are utilized, thereby saving the equipment installation space; the main control unit uses a redundant design, and uses a power module with a redundant function to supply power, so that the reliability of the system is improved, and the cost of the system is reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention
Fig. 2 is a schematic structural diagram of a power module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a master control unit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a digital input/output unit according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an analog input/output unit according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a fire alarm unit module according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an intelligent instruction acquisition unit according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an illumination control unit according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a broadcast control unit according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a back plate according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown, in which some, but not all embodiments of the invention are shown. 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.
Fig. 1 is a schematic structural diagram of a switch embodiment of the multi-gateway function of the present invention, as shown in fig. 1, an apparatus of this embodiment includes: the intelligent fire alarm system comprises a backboard, a power module, a main control unit, a digital input output unit (VIO), an analog input output unit (AX), a fire alarm unit, an intelligent instruction acquisition unit, an illumination control unit and a broadcast control unit;
the power module, the main control unit, the digital input output unit (VIO), the analog input output unit (AX), the fire alarm unit, the intelligent instruction acquisition unit, the illumination control unit and the broadcast control unit are respectively arranged on the backboard.
The power module respectively provides power for the main control unit, the digital input output unit (VIO), the analog input output unit (AX), the fire alarm unit, the intelligent instruction acquisition unit, the illumination control unit and the broadcast control unit through the backboard.
Fig. 2 is a schematic structural diagram of a power module according to an embodiment of the present invention, where the power module includes two power boards that are redundant, the power boards are designed to be DC110V voltage inputs, and two independent DC5V power sources are provided for the whole chassis. The front end and the rear end of the power panel are both provided with protection and monitoring circuits, redundant power supply design is adopted, and two paths of power supplies supply power for the chassis board card together without mutual influence.
The digital quantity input and output unit (VIO) converts the digital quantity signal of the train hard line into CAN data identified by the main control unit through the electric interface, the CAN data is transmitted to the main control unit through the back plate, the main control unit transmits command signals to the digital quantity input and output unit through the back plate, and the digital quantity input and output unit converts the acquired command signals into digital quantity signals and transmits the digital quantity signals to the train hard line.
The fire alarm unit is used for acquiring the state information of each fire detector of the train, converting the state signals (RS 232/485 data or CAN data) sent by the fire detectors into backboard CAN data identified by the main control unit, outputting the acquired state information to the main control unit, and supplying 24V power for the fire detectors;
the main control unit transmits a fire detector control instruction to the fire alarm unit through the back panel CAN communication according to the acquired train network data, and the fire alarm unit converts the control instruction into a control instruction recognized by the fire detector and transmits the control instruction to each fire detector of the train.
The intelligent instruction acquisition module acquires a driver operation instruction through an external two-way CAN interface, converts the operation instruction into backboard CAN data identified by the main control unit by using a backboard CAN communication protocol, and transmits the backboard CAN data to the main control unit through the backboard.
The lighting control unit collects state data of the light sensing sensor through the electrical interface, converts the state data into backboard CAN data identified by the main control unit, transmits the backboard CAN data to the main control unit, transmits command signals to the lighting control unit through the backboard after logic operation of the main control unit, and converts the collected command signals into PWM signals to be transmitted to the lighting power supply.
The broadcast control unit is used for collecting train network instructions and multimedia equipment state data, converting the multimedia equipment state data into train network data and transmitting the train network data to a train network.
The main control unit is connected with the digital quantity input and output unit, the analog quantity input and output unit, the fire alarm unit, the intelligent instruction acquisition unit and the illumination control unit through the back plate, acquires train network control data, analyzes state information transmitted by the digital quantity input and output unit, the analog quantity input and output unit, the fire alarm unit, the intelligent instruction acquisition unit and the illumination control unit, transmits control data to each unit after analysis and operation, and transmits the summarized state data to a train network after conversion.
The specific implementation process is that the fire alarm system and the lighting control system output hard wire digital signals to a train hard wire, the digital quantity input unit collects the train hard wire signals through an external interface, and the digital quantity input unit converts the electric signals into backboard CAN data identified by the main control unit by using a CAN protocol and transmits the backboard CAN data to the main control unit.
The main control unit collects and gathers the state data of each communication interface through the backboard, converts the state data into Ethernet data of the train network and transmits the Ethernet data to the train network.
The main control unit outputs control data according to the preset logic control and the acquired state data. The control data is converted into backboard CAN communication data identified by other units through a CAN protocol, the backboard is used for transmitting the backboard communication data to the other units, and the backboard is used for transmitting the backboard communication data to the digital quantity input/output unit, the analog quantity input/output unit, the fire alarm unit, the intelligent instruction acquisition unit and the lighting control unit, and executing control instructions.
Fig. 3 is a schematic structural diagram of a main control unit according to an embodiment of the present invention, where the main control unit includes a communication gateway board, a data recording board, and two central processing boards.
The communication gateway board is provided with a dual-homing Ethernet communication interface, and CAN realize interconnection of a redundant Ethernet bus and a backboard two-way CAN bus. The communication gateway board CAN package and process the data of the CAN bus into an Ethernet protocol and transmit the Ethernet protocol to the vehicle bus; and meanwhile, the communication gateway board receives signals from the vehicle bus and transmits the signals to the corresponding CAN bus.
The record board card is provided with a data recording function, and can collect and send state data by the collecting device. The recording board card can record process data and fault diagnosis data in real time, the response time of the recorded data is less than 20ms, and the recording requirement of 32G can be met.
The main control unit adopts a CPU design of 2-out-of-2 and is provided with 2 paths of independent CAN communication interfaces. The main control board of the main control unit is provided with a redundant control line, and when the CPU board fails, the standby CPU board is informed to be switched to the main state through the backboard hard line at the first time. This handover procedure is not greater than 10ms. Meanwhile, the CPU board card can detect the states of redundant control lines of all the boards and realize the redundant switching function.
Fig. 4 is a schematic structural diagram of a digital input/output unit according to an embodiment of the present invention, where the digital input/output unit includes six sets of secure input/output boards and three interface boards.
Each group of safety input/output board cards comprises two VIO board cards, a two-out-of-two CPU design is adopted, and the backboard adopts two paths of independent CAN communication interfaces. And the six-path 110V safe two-out-of-two digital quantity acquisition channels and the six-path safe two-out-of-two digital quantity output channels are integrated inside and are subjected to data exchange with the main control unit through the CAN communication medium.
The interface board is used for transferring external input electric signals to the backboard and transmitting the external input electric signals to the corresponding VIO board card.
The specific implementation process is as follows: the train hard line signal is transmitted to the corresponding VIO board through the interface board, and the self-checking result is uploaded to the main control unit through the backboard CAN bus after the VIO board diagnoses the input signal.
The situation that the input channel is in high-voltage serial connection happens occasionally because of various conditions possibly happening in the operation of the train. When high voltage is connected in the channel, the input channel element is often burnt out, so that the input channel is caused to fail to work. In order to avoid faults caused by the conditions, a diagnosis circuit is adopted to carry out self-inspection on the board besides taking a measure for enhancing high voltage resistance in the input channel. The self-checking circuit adopts two working modes of periodic self-checking and triggering self-checking.
Triggering type self-checking scheme: in the digital quantity acquisition process, the main control board periodically compares the input signals of the two redundant VIO boards, and if the input signals are inconsistent, the self-checking of the input channels is triggered. And judging that a group of unmatched self-checking data and actual input data is a fault, triggering redundancy switching by the main control board, lowering the fault board, and lifting the normal board card to be the main use.
Periodic self-checking scheme: and after the board card receives the periodic self-checking instruction, starting to perform periodic self-checking, and periodically uploading a self-checking result to the main control board through the CAN bus, wherein the main control board judges the input state according to the channel acquisition result and the self-checking result. The result of the periodic self-test is consistent with the judging mode of the triggering self-test result.
The main control unit collects data according to the collected train network data and the backboard, the data are transmitted to the VIO board through the backboard after logic operation, an output channel of the VIO board has an overcurrent protection function, the channel is automatically cut off when a single channel is overcurrent, a short circuit signal is sent to be processed by the CPU main control board, and a redundancy switching function is implemented.
Fig. 5 is an analog input/output unit provided by the embodiment of the invention, and the analog input/output board card adopts a redundant CPU to realize a multi-path analog input/output acquisition function. The board card comprises a current analog quantity input acquisition function, a voltage analog quantity input acquisition function, a current/voltage analog quantity alternative input function and a current/voltage analog quantity alternative output function.
The method comprises the steps that an analog input and output unit is used for collecting multi-type analog input of a train, the analog input and output unit converts analog signals into CAN communication of a backboard, the CAN communication is transmitted to a main control unit through the backboard, and the main control unit converts collected state data into train network data through a train network protocol and transmits the train network data to a train network.
The main control unit collects and gathers train network instruction data, converts the main network instruction data into backboard CAN data through backboard CAN protocol, and transmits the backboard CAN data to the analog input/output unit, and the analog input/output unit sends the analog instruction to the outside according to the collected instruction.
The analog input/output unit realizes the function of inputting the current/voltage analog into the circuit through an external wiring mode, and the function of outputting the current/voltage analog into the circuit through the circuit.
Fig. 6 is a schematic diagram of a fire alarm unit according to an embodiment of the present invention, including a fire alarm communication board and a fire sensor power board, where: the fire alarm communication board card comprises 1 RS485 interface, 1 RS232/RS485 selectable interface and 1 CAN interface, and CAN be used for collecting different types of detector data and uploading related alarm and fault information to a vehicle center line.
The power panel of the fire sensor is designed to be DC110V voltage input, 24V power is provided for the fire alarm sensor, and the single-side intelligent logic control unit provides 1 path of external 24V voltage interface. The system has the functions of output overvoltage and undervoltage protection, over-temperature protection, output overload protection, short-circuit protection and fault self-recovery protection, and can not influence the normal operation of the system when the power supply is interrupted for not more than 10ms.
Fig. 7 is a schematic diagram of an intelligent instruction collecting unit according to an embodiment of the present invention, which includes two paths of electrically isolated CAN interfaces, and is configured to collect a driver operation instruction of an intelligent instruction module, transmit the driver operation instruction to a main control unit through a back plate, and establish communication between the intelligent instruction module and the main control unit.
The intelligent command acquisition unit simultaneously acquires the same CAN communication data transmitted by the intelligent command module through two paths of independent CAN communication interfaces, the two paths of CAN communication interfaces of the intelligent command acquisition unit and the backboard adopt an electric isolation design mode to transmit the external network data to the main control unit through the backboard, and the main control unit selects data according to the data reliability and transmits the data to the digital input unit data, the analog input output unit data and the train network according to the command respectively. Meanwhile, after collecting train network data, digital quantity input unit data and analog quantity input and output unit data, the main control unit transmits the data to the intelligent instruction acquisition unit, and the intelligent instruction acquisition unit transmits the data to two paths of independent CAN communication interfaces to realize the communication function of the intelligent instruction acquisition unit and the device.
Fig. 8 shows an illumination control unit, wherein the illumination control unit has a PWM output function and an analog acquisition function, and can acquire data of a photosensitive sensor through an analog acquisition interface and transmit the data to a main control unit through a back plate. And the main control unit sends an instruction to the illumination power supply through the PWM output module according to the acquired data, so that an illumination control function is realized.
The automatic photosensitive control is based on a constant-illuminance negative feedback control technology, and the dimming output of the intelligent logic control module always balances the influence of external environment light on the illumination of the passenger room to the greatest extent, so that the illuminance of the plane light source can be stabilized at a set value.
The specific implementation process is as follows:
if the ambient light is 0Lux. The lamp of the guest room needs to provide 300Lux illuminance under the condition of no external environment light;
if the ambient light is greater than 0Lux and less than 300Lux. If the external environment light has 100Lux, the lamp of the guest room needs to provide illumination of 200 Lux;
the ambient light of the outside is greater than 300Lux. If the ambient light is greater than 300Lux or greater, the room luminaire will provide the lowest illumination or be off.
When the set value is larger than the acquisition value of the photoreceptor, gradually increasing the output PWM duty ratio; when the set value is smaller than the acquisition value of the photoreceptor, gradually reducing the output PWM duty ratio;
wherein lux (lux) is the unit of illuminance (luminance). An object uniformly illuminated by light has an illuminance of 1 lux when the resulting luminous flux over an area of 1 square meter is 1 lumen.
Fig. 9 is a diagram showing a broadcast control unit, which collects multimedia device data through an interface board and transmits the multimedia device data to a broadcast control unit control board, and transmits the multimedia data to a train network through a dual homing ethernet communication interface. The train network instruction data is collected through the Ethernet interface and transmitted to the broadcasting control unit control board, and the broadcasting control unit control board controls the multimedia equipment according to the train network data.
Fig. 10 is a schematic structural diagram of a back plate according to an embodiment of the present invention. As shown in fig. 10, the backboard in this embodiment includes a power board slot, a main control unit board slot, a digital input/output unit board slot, a fire alarm unit board slot, an intelligent instruction acquisition module board slot, an illumination control unit board slot, an analog input/output unit board slot, a broadcast control unit board slot, and a reserved board slot may be used for board card connection of subsequent increase.
The power panel groove comprises two power panel grooves with the width of 4TE and can be used for connecting a power panel card; the main control unit board slot comprises two main control unit board slots with the width of 4TE and can be used for connecting a main control unit board card; the digital quantity input/output unit board slot comprises 15 board slots with the width of 4TE and can be used for connecting a digital quantity input/output unit board card; the analog input/output unit board slot comprises 24 TE board slots and can be used for connecting an analog input/output board card; the fire alarm unit board groove comprises 2 board grooves with 8TE and can be used for connecting a fire alarm unit board card; the intelligent instruction acquisition module board slot comprises 1 4TE board slots and can be used for connecting an intelligent instruction acquisition module; the lighting control unit board groove comprises 24 TE board grooves and can be used for connecting a lighting control unit board card; the broadcast control unit board slot contains 1 36TE board slots, which can be used to connect to the broadcast control unit. Wherein, the size of 1TE is 5.08mm. The backboard provided by the embodiment is connected with the boards by adopting the CPCI bus, so that the backboard has the advantages of high bus speed, strong integration, hot plug (Hot Swap), high openness, high reliability and the like.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The novel logic control module for the subway vehicle is characterized by comprising a back plate, wherein a power supply module, a digital quantity input output unit, an analog quantity input output unit, a fire alarm unit, an intelligent instruction acquisition unit, an illumination control unit, a broadcast control unit and a main control unit are arranged on the back plate;
the digital quantity input and output unit is used for collecting digital quantity input signals of the train and transmitting the digital quantity input signals to the main control unit, and can receive instruction data sent by the main control unit and convert the instruction data into digital quantity output signals;
the analog input and output unit is used for acquiring analog input signals of the train and transmitting the analog input signals to the main control unit, and can receive instruction data sent by the main control unit and convert the instruction data into analog output signals;
the fire alarm unit is used for collecting the state information of each detector of the train and transmitting the state information to the main control unit;
the intelligent instruction acquisition unit is used for acquiring the driver operation instruction of the intelligent instruction module and transmitting the driver operation instruction to the main control unit through the backboard;
the illumination control unit is used for collecting signals of the train photoreceptor, transmitting the signals to the main control unit and outputting signals for controlling an illumination power supply;
the broadcast control unit is used for collecting train network instructions and multimedia equipment state data, converting the multimedia equipment state data into train network data and transmitting the train network data to a train network;
the main control unit is used for collecting train network instructions, summarizing and analyzing state information collected by the digital quantity input and output unit, the analog quantity input and output unit, the fire alarm unit, the broadcast control unit and the illumination control unit, and sending control data to each unit.
2. The logic control module of a novel subway vehicle according to claim 1, wherein the digital quantity input/output unit converts a train hard line digital quantity signal into CAN data recognized by the main control unit through an electrical interface and transmits the CAN data to the main control unit through a back plate, the main control unit transmits a command signal to the digital quantity input/output unit through the back plate, and the digital quantity input/output unit converts the acquired command signal into a digital quantity signal and transmits the digital quantity signal to the train hard line.
3. The novel logic control module for the metro vehicle as claimed in claim 1 or 2, wherein the digital input/output unit comprises a plurality of groups of safety input/output boards and a plurality of interface boards; the safety input/output boards are internally integrated with a safety two-by-two digital quantity acquisition channel and a safety two-by-two digital quantity output channel, and data exchange is carried out with the main control unit through a CAN communication medium; the interface board is used for transferring the external input electric signals to the backboard and transmitting the external input electric signals to the corresponding safe input/output board.
4. The novel metro vehicle logic control module of claim 3, wherein the digital acquisition channel is provided with a self-test circuit capable of periodic self-test and triggered self-test.
5. The logic control module of a novel subway vehicle according to claim 1, wherein the analog input/output unit collects state data of input of multiple types of analog of a train, converts the analog signals into back panel CAN data and transmits the back panel CAN data to the main control unit, and the main control unit converts the received state data into train network data through a train network protocol and transmits the train network data to the train network.
6. The logic control module of a novel subway vehicle according to claim 1, wherein the fire alarm unit CAN collect status information of each fire detector of the train, convert status signals sent by the fire detectors into backboard CAN data identified by the main control unit, transmit the backboard CAN data to the main control unit, convert control instructions of the main control unit into control instructions identified by the fire detectors, transmit the control instructions to each fire detector of the train, and provide power for the fire detectors.
7. The novel logic control module of the metro vehicle of claim 1, wherein the intelligent command acquisition module is capable of acquiring a driver operating command through an external two-way CAN interface, converting the operating command into backboard CAN data identified by the main control unit by using a backboard CAN communication protocol, and transmitting the backboard CAN data to the main control unit through the backboard.
8. The novel metro vehicle logic control module of claim 1, wherein the lighting control unit is capable of collecting state data of a light sensing sensor of a train through an electrical interface, converting the state data into backboard CAN data recognized by the main control unit, transmitting the backboard to the main control unit, logically operating by the main control unit, transmitting command signals to the lighting control unit through the backboard, and converting the collected command signals into PWM signals by the lighting control unit to be transmitted to a lighting power supply.
9. The novel metro vehicle logic control module of claim 1, wherein the master control unit comprises a communication gateway board, a data recording board and two central processing boards, the communication gateway board comprises a dual-homing ethernet communication interface, and CAN be interconnected with two paths of CAN buses of the backboard through redundant ethernet buses; the communication gateway board CAN package and process CAN bus data into Ethernet protocol data, transmit the Ethernet protocol data to the train bus, and simultaneously receive signals from the train bus and transmit the signals to the corresponding CAN bus; the two central processing boards adopt a CPU redundancy architecture of 2-out-of-2 and are provided with redundancy control lines, so that the states of the redundancy control lines of all boards can be detected, and the redundancy switching function is realized.
10. The novel logic control module of the metro vehicle of claim 1, wherein the power module comprises two mutually redundant power boards capable of providing two independent power sources for the backboard, and the front end and the rear end of the power boards are respectively provided with a protection and detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310520211.7A CN116476894A (en) | 2023-05-09 | 2023-05-09 | Novel logic control module for metro vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310520211.7A CN116476894A (en) | 2023-05-09 | 2023-05-09 | Novel logic control module for metro vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116476894A true CN116476894A (en) | 2023-07-25 |
Family
ID=87217769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310520211.7A Pending CN116476894A (en) | 2023-05-09 | 2023-05-09 | Novel logic control module for metro vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116476894A (en) |
-
2023
- 2023-05-09 CN CN202310520211.7A patent/CN116476894A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6917186B2 (en) | Monitoring and control for power electronic system | |
| US7671544B2 (en) | System and architecture for controlling lighting through a low-voltage bus | |
| EP3691419B1 (en) | Ethernet lighting control system and method, used for stage lamp | |
| CN112217702B (en) | Automatic addressing method for cascade master-slave module, master control module and slave control module | |
| CN209064097U (en) | Rail traffic guest room illumination intelligence control system | |
| CN107831751B (en) | All-electronic signal control module | |
| CN107054408A (en) | cab signal system | |
| CN116476894A (en) | Novel logic control module for metro vehicle | |
| CN109291948A (en) | Rail traffic guest room illumination intelligence control system | |
| CA2385434C (en) | Control arrangement for power electronic system | |
| KR102471007B1 (en) | In-vehicle controller and method for controlling the same | |
| CN210183593U (en) | LED projection lamp driving circuit | |
| CN113629855A (en) | Stage driving system and method based on redundancy control | |
| CN209535112U (en) | A kind of trackside electronic unit remote control equipment | |
| TWM545330U (en) | A traffic signal control system with the functions of automatically detecting the failure of LED traffic lights | |
| CA2280383C (en) | Control arrangement and method for power electronic system | |
| CN217739841U (en) | Embedded artificial intelligence computer motherboard | |
| CN216959421U (en) | Double-backup power panel for vehicle-mounted firewall equipment | |
| CN219740666U (en) | Navigation light controller | |
| CN214101874U (en) | Single lamp controller and lighting system | |
| CN215005763U (en) | Circuit breaker monitoring device and monitoring system | |
| CN219659733U (en) | Broadcasting line control device and fire-fighting broadcasting system | |
| CN115098016B (en) | Redundant computer high-precision AD acquisition equipment based on LRM | |
| CN217932488U (en) | Digital quantity output control device | |
| CN210350493U (en) | Intelligent tunnel distribution box with disaster prevention monitoring or illumination monitoring function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |