CN112849216A - Train and vehicle-mounted power grid controller thereof - Google Patents
Train and vehicle-mounted power grid controller thereof Download PDFInfo
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- CN112849216A CN112849216A CN201911182735.XA CN201911182735A CN112849216A CN 112849216 A CN112849216 A CN 112849216A CN 201911182735 A CN201911182735 A CN 201911182735A CN 112849216 A CN112849216 A CN 112849216A
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- 238000004891 communication Methods 0.000 claims abstract description 62
- 238000003745 diagnosis Methods 0.000 claims abstract description 36
- 238000013480 data collection Methods 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000013154 diagnostic monitoring Methods 0.000 claims description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005339 levitation Methods 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 27
- 239000000725 suspension Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- 230000003287 optical effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000007667 floating Methods 0.000 description 1
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- 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
- B61L15/0081—On-board diagnosis or maintenance
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Abstract
The invention discloses a train and a vehicle-mounted electric network controller thereof, wherein the vehicle-mounted electric network controller comprises: a circuit board for communicative connection with a vehicle diagnostic computer; the data collection module is in communication connection with the circuit board and is configured to collect diagnosis monitoring data of the vehicle-mounted power grid; and the communication card is respectively in communication connection with the data collection module and the circuit board and is configured to respond to the acquisition of the diagnosis monitoring data from the receipt collection module and output the diagnosis monitoring data to the vehicle diagnosis computer so as to perform diagnosis control on the vehicle-mounted power grid. Based on the actual requirements of the train-mounted power grid system, the invention effectively realizes the functions of controlling, diagnosing, monitoring and the like of the train-mounted power grid system, thereby better ensuring the safe, stable and reliable operation of the train-mounted power grid system and further ensuring the normal operation of the train.
Description
Technical Field
The invention relates to the technical field of train power supply control, in particular to a train and a vehicle-mounted power grid controller thereof.
Background
With the successful construction and smooth operation of the demonstration line of the magnetic suspension train, the advantages of low construction cost, low operation noise, high operation speed and the like of the magnetic suspension transportation system are comprehensively embodied, and the magnetic suspension train becomes one of the competition of the 21 st century high-speed passenger transportation system.
At present, control core technologies of a vehicle-mounted power grid, suspension, guidance and the like of a magnetic suspension train are not mature, and each subsystem of the magnetic suspension train needs to be deeply researched. The vehicle-mounted power grid system is used as a key subsystem of the train, whether the train can run safely, stably and reliably or not is directly related to the normal running of the magnetic suspension train.
However, the existing on-board power grid controller generally only provides a basic power supply control function, and the function is single, so that the safe, stable and reliable operation of the on-board power grid system of the maglev train cannot be well ensured.
Disclosure of Invention
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
The invention aims to overcome the defect that the safe, stable and reliable operation of a maglev train vehicle-mounted power grid system cannot be well ensured in the prior art, and provides a train and a vehicle-mounted power grid controller thereof.
The technical problem is solved by the following technical scheme:
an on-board grid controller for a train, comprising:
a circuit board for communicative connection with a vehicle diagnostic computer;
a data collection module communicatively coupled to the circuit board and configured to collect diagnostic monitoring data of an on-board power grid; and the number of the first and second groups,
a communication card communicatively connected to the data collection module and the circuit board, respectively, and configured to output the diagnostic monitoring data to the vehicle diagnostic computer for diagnostic control of the on-board power grid in response to the diagnostic monitoring data being acquired from the receipt collection module.
Optionally, the data collection module comprises at least one acquisition card;
a plurality of paths of digital quantity input channels are arranged on the acquisition card;
the at least one acquisition card is respectively in communication connection with the communication card, is configured to acquire the diagnosis monitoring data and the control signal of the vehicle-mounted power grid, and sends the acquired diagnosis monitoring data and the acquired control signal to the communication card.
Optionally, the data collection module comprises a DIO (digital input output) card;
the DIO card is provided with a plurality of paths of full chopping redundant digital quantity input channels and a plurality of paths of relay contact output channels;
the DIO card is in communication connection with the communication card and is configured to collect control signals, diagnostic monitoring data and/or monitoring data of the vehicle power grid and send the collected control signals, diagnostic monitoring data and/or monitoring data to the communication card.
Optionally, the data collection module comprises an and logic card;
the AND logic card is provided with a plurality of paths of digital quantity input channels;
the communication card is in communication connection with the logic card and is configured to collect control signals, diagnostic monitoring data and/or monitoring data of the vehicle electrical system and send the collected control signals, diagnostic monitoring data and/or monitoring data to the communication card.
Optionally, four ethernet interfaces are arranged on the communication card;
and two paths of Ethernet interfaces on the communication card are used for maintaining programs and downloading data, and the other two paths of Ethernet interfaces are used for data interaction with the vehicle diagnosis computer.
Optionally, the data collection module is communicatively connected to the communication card via a BLVDS bus (a new family of bus interface circuits based on LVDS technology, dedicated to the implementation of multi-drop cable or circuit board applications).
Optionally, the on-board grid controller further includes a grid filter card;
the power grid filtering card is electrically connected with the circuit board;
the power grid filtering card is electrically connected with an external power supply through a circuit board connector and supplies power to each board card in communication connection with the circuit board.
Optionally, at least two mutually redundant power supply lines are arranged on the power grid filter card;
the power grid filter card is used for supplying power to each board card in communication connection with the circuit board through at least two power supply lines.
Optionally, the on-vehicle power grid controller further includes at least two mutually redundant selection switches and a current collector control card;
the at least two selector switches and the current collector control card are respectively in communication connection with the circuit board and the data collection module;
the data collection module is configured to collect diagnostic monitoring data and control signals of an on-board power grid from the selector switch and the current collector control card.
Optionally, the on-board power grid controller further includes a power-off control card;
the power-off control card is respectively in communication connection with the circuit board and the data collection module;
the data collection module is configured to collect diagnostic monitoring data and control signals of an on-board power grid from the power-off control card.
Optionally, the on-board power grid controller further includes a centralized control card;
the centralized control card is respectively in communication connection with the circuit board, the data collection module and the communication card;
the data collection module is configured to collect diagnostic monitoring data and control signals of an on-board power grid from the centralized control card.
Optionally, the on-board grid controller further includes a decentralized control card;
the distributed control card is respectively in communication connection with the circuit board and the data collection module;
the data collection module is configured to collect diagnostic monitoring data and control signals of an on-board electrical network from the decentralized control card.
Optionally, the circuit board is further configured to be electrically connected to an external device of the train through a connector.
Optionally, the external device includes any one or more of a boost chopper, a current collector, an air conditioner, a 440V storage battery, a 24V storage battery, an aluminum air battery, an on-board control unit, a 24V on-board power grid switch box, a 440V on-board power grid switch box, a DC/DC (direct current-direct current) converter, and a 24V power distribution box.
Optionally, the circuit board comprises a back plate.
Optionally, the circuit board is used for being in communication connection with the vehicle diagnosis computer through an ethernet interface;
the communications card is configured to output the diagnostic monitoring data to the vehicle diagnostic computer through the ethernet interface.
A train comprising an on-board grid controller for a train as described above.
Optionally, the train comprises a magnetic levitation train.
On the basis of the common knowledge in the field, the preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the train and the train-mounted power grid controller thereof effectively realize the functions of controlling, diagnosing, monitoring and the like of the train-mounted power grid system based on the actual requirements of the train-mounted power grid system, thereby better ensuring the safe, stable and reliable operation of the train-mounted power grid system and further ensuring the normal operation of the train.
Drawings
The features and advantages of the present disclosure will be better understood upon reading the detailed description of embodiments of the disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components having similar relative characteristics or features may have the same or similar reference numerals.
Fig. 1 is a schematic structural diagram of a grid controller on a train according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of connection between a grid controller and an external device for a train according to an embodiment of the present invention.
Fig. 3 is a functional schematic diagram of an on-board grid controller for a train according to an embodiment of the present invention.
Description of reference numerals:
a power grid filter card 101;
a DIO card 102;
a communication card 103;
a second acquisition card 104;
a first acquisition card 105;
and logic card 106;
a second selection switch and current collector control card 107;
a first selector switch and current collector control card 108;
a power-off control card 109;
a decentralized control card 110;
a centralized control card 111;
a back plate 112;
a boost chopper 201;
a current collector 202;
an air conditioner 203;
440V of the storage battery 204;
a 24V storage battery 205;
an aluminum-air cell 206;
an in-vehicle control unit 208;
a 24V onboard grid switch box 209;
440V onboard electrical network switch box 210;
a DC/DC converter 211;
a 24V electric box 212;
a vehicle diagnostic computer 213.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be construed as imposing any limitation on the scope of the present invention.
The following description is presented to enable any person skilled in the art to make and use the invention and is incorporated in the context of a particular application. Various modifications, as well as various uses in different applications will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to a wide range of embodiments. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the practice of the invention may not necessarily be limited to these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Additionally, the terms "upper," "lower," "left," "right," "top," "bottom," "horizontal," "vertical" and the like as used in the following description are to be understood as referring to the segment and the associated drawings in the illustrated orientation. The relative terms are used for convenience of description only and do not imply that the described apparatus should be constructed or operated in a particular orientation and therefore should not be construed as limiting the invention.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, regions, layers and/or sections, these elements, regions, layers and/or sections should not be limited by these terms, but rather are used to distinguish one element, region, layer and/or section from another element, region, layer and/or section. Thus, a first component, region, layer or section discussed below could be termed a second component, region, layer or section without departing from some embodiments of the present invention.
At present, control core technologies of a vehicle-mounted power grid, suspension, guidance and the like of a magnetic suspension train are not mature, and each subsystem of the magnetic suspension train needs to be deeply researched. The vehicle-mounted power grid system is used as a key subsystem of the train, whether the train can run safely, stably and reliably or not is directly related to the normal running of the magnetic suspension train.
However, the existing on-board power grid controller generally only provides a basic power supply control function, and the function is single, so that the safe, stable and reliable operation of the on-board power grid system of the maglev train cannot be well ensured.
To overcome the above-mentioned drawbacks, the present embodiment provides a network controller (BNS) for a train, the network controller comprising: a circuit board for communicative connection with a vehicle diagnostic computer; the data collection module is in communication connection with the circuit board and is configured to collect diagnosis monitoring data of the vehicle-mounted power grid; and a communication card which is respectively connected with the data collection module and the circuit board in a communication way and is configured to respond to the diagnosis monitoring data acquired from the receipt collection module and output the diagnosis monitoring data to the vehicle diagnosis computer so as to carry out diagnosis control of the vehicle-mounted power grid.
Preferably, in this embodiment, the train is a magnetic levitation train, and in this embodiment, the onboard power grid controller is provided in combination with an actual functional requirement of an onboard power grid of the train in the context of a magnetic levitation train with a speed of 600 square hours, but the type of the train is not particularly limited, and the train may be selected and adjusted accordingly according to the actual requirement.
In the embodiment, based on the actual requirements of the train-mounted power grid system, the functions of controlling, diagnosing, monitoring and the like of the train-mounted power grid system are effectively realized, so that the safe, stable and reliable operation of the train-mounted power grid system is well ensured, and the normal operation of a train is further ensured.
Specifically, as an embodiment, as shown in fig. 1, the on-board network controller mainly includes a backplane 112 (in this embodiment, the circuit board is a backplane) and a plurality of plug-in units plugged into the backplane 112, and the number and types of the plug-in units are not specifically limited in this embodiment, and can be selected and adjusted according to actual requirements.
As shown in fig. 2, the external device in communication connection with the vehicle-mounted power grid controller mainly includes: a boost chopper 201(HS), a current collector 202(SA), an air conditioner 203(KLM), a 440V battery 204, a 24V battery 205, an aluminum air battery 206(LAB), an onboard control unit 208(BST), a 24V onboard power grid switch box 209(BV24), a 440V onboard power grid switch box 210(BV440), a DC/DC converter 211, a 24V power grid box 212(VT24), an onboard diagnostic computer 213(SDR), and an adjacent onboard power grid controller.
The on-board diagnostic computer 213 is in communication connection with the on-board power controller through an ethernet cable, and the rest of the external devices are in communication connection with the on-board power controller through circular connectors.
Of course, the number and types of the external devices are not specifically limited in this embodiment, and can be selected and adjusted according to actual requirements.
In this embodiment, the on-board power network controller is an important component of a power grid system on board a maglev train, is a control hub for implementing functions of emergency power on/off of the train, 4-way independent 440V power grid, 24V power grid, and the like, and directly determines normal use of all on-board electric devices such as train lighting, air conditioning, and the like.
Meanwhile, the vehicle-mounted power grid controller is also a network junction for transmitting state information of a storage battery, a DC/DC converter, a current collector, a 440V vehicle-mounted power grid switch box, a 24V vehicle-mounted power grid switch box and the like to a vehicle-mounted diagnosis computer, so that the fault diagnosis of the power supply equipment of the maglev train is directly realized.
As shown in fig. 1, the plurality of plug-ins mainly include a grid filter card 101, a DIO card 102, a communication card 103, a first acquisition card 105, a second acquisition card 104, a logic card 106, a first selection switch and current collector control card 108, a second selection switch and current collector control card 107, a power-off control card 109, a distribution control card 110, and a centralized control card 111.
In this embodiment, the circular connector is used to implement the communication connection between the chassis of the vehicle-mounted power network controller and the external device, and mainly transmits the external input/output signals of each plug-in unit, the 24V storage battery, and the power of the chassis power supply. And the plug-in units in the chassis of the vehicle-mounted electric network controller realize the interaction and power supply of the signals of the plug-in units through a backboard hard wire.
The following describes a specific connection method of each card.
1. The power grid filter card 101 receives 24V power-1 and 24V power-2 in a 24V vehicle-mounted power grid switch box through a backplane connector, and supplies power to other plug-in units through a backplane 112 after the filtered 24V power-a and 24V power-b.
In the present embodiment, the 24V power-a mainly supplies power to the first selection switch and current collector control card 108 and the logic card 106, and the 24V power-b mainly supplies power to the centralized control card 111, the distributed control card 110, the power-off control card 109, the second selection switch and current collector control card 107.
The isolated 5V-1 and the isolated 5V-2 after the isolation processing supply power to the centralized control card 111, the logic card 108, the first acquisition card 105, the second acquisition card 104, the communication card 103 and the DIO card 102.
In this embodiment, the power grid filter card 101 also has functions of power-on buffering, filtering, voltage detection, short-circuit protection, reverse connection prevention, and the like.
2. The DIO card 102 provides 18 full chop redundant digital input channels and 3 relay contact output channels with current sensing and feedback functions. The switching value collected by the digital input circuit is sent to the communication card 103 via the BLVDS bus.
3. The communication card 103 is provided with four ethernet interfaces, two of which are used for maintaining programs and downloading data, and the other two of which send the acquired signals to the vehicle diagnosis computer 213, so as to implement the data communication between the vehicle-mounted power network controller and the vehicle diagnosis network. The collected signals mainly come from the centralized control card 111, the logic card 106, the first collection card 105, the second collection card 104, the DIO card 102, and the like.
4. The first acquisition card 105 and the second acquisition card 104 provide 42 digital quantity input channels, and finish the acquisition of signals such as an aluminum-saving air battery input control signal, an IPS (intrusion prevention system) allowed diagnosis signal, a power-on/power-off approval control signal, a 440V centralized power-off control signal, an external power supply activated diagnosis signal, a vehicle-mounted power grid non-stop operation diagnosis signal, a forced parking diagnosis signal, an external power supply activated, a closed local marshalling 440V power grid, a floating control signal and the like through a backboard hard wire. Meanwhile, the acquired digital signals are processed and then sent to the communication card 103 through the BLVDS bus.
5. The and logic card 106 provides 30 digital quantity input channels, and the digital quantity input channels are used for monitoring signals of high temperature and low temperature normal signals of a 440V storage battery of external equipment, normal diagnosis signals of a DC/DC function, overtemperature of a 24V storage battery, external power supply activation control and the like. Meanwhile, the FPGA (field programmable gate array) performs corresponding logic processing on the detection signal, and the output signal is transmitted to the distributed control card 110, the selector switch, the current collector control card and other plug-in units through the backplane hardwire, and is sent to the communication card 103 through the BLVDS bus.
6. The design circuits of the first selection switch and current collector control card 108 and the second selection switch and current collector control card 107 are basically consistent, diagnosis signals such as non-stop operation and forced parking of a vehicle-mounted power grid are mainly realized through a relay circuit, signal diagnosis and power supply activation control of the current collector are realized, and signals are sent to the acquisition card through a backboard hard wire for monitoring.
7. The power-off control card 109 mainly comprises a relay circuit, and is matched with plug-ins such as a distributed control card 110, a centralized control card 111 and the like through a backboard hard wire to realize 440V power grid power-on control, 24V power grid power-on control and emergency function power-on control, wherein the power-off control is divided into 440V power grid power-off control, 24V power grid power-off control and emergency function power-off control.
8. The centralized control card 111 is combined with the plug-in units such as the decentralized control card 110 and the power-off control card 109 through a backboard hard wire, and the buttons are selected up and down (or can be selected independently) on the panel, so that centralized control of 440V power grid power-on, power-off, 24V emergency power-off and 24V emergency power-on control is realized, and indication is performed through the indicator lamps on the panel. Simultaneously the panel still is provided with the aluminium air battery and puts into the button, realizes the aluminium air battery of this festival car and puts into the function.
9. The distributed control card 110 is combined with the plug-in units such as the power-off control card 109 and the centralized control card 111 through a backboard hard wire, and the power-ON control of the 440V power grid is realized through four circular buttons with indicator lamps such as panels ON 1-ON 4; the emergency power-OFF approval and the four OFF 1-OFF 4 buttons realize the power-OFF control of the 440V power grid.
In the present embodiment, as shown in fig. 3, the on-board power network controller mainly implements three functions of control, diagnosis, monitoring, and the like.
The control functions mainly comprise power-on control, power-off control, external power supply activation control, buffering starting control and aluminum-air battery input control.
The power-on control includes 440V power grid power-on control, 24V power grid power-on control and emergency function power-on, and the power-off control includes 440V power grid power-off control, 24V power grid power-off control and emergency function power-off.
The diagnosis function mainly realizes buffer approval diagnosis, no-stop operation diagnosis of the vehicle-mounted power grid and no-forced stop diagnosis.
The monitoring function mainly realizes normal diagnosis of the temperature and the DC/DC function of the storage battery.
Of course, the present embodiment is not limited to the above functions, and the functions to be implemented may be set according to actual requirements.
The on-board power grid controller for the train provided by the embodiment mainly has the following beneficial effects:
1. for the 440V power grid power-on/power-off control of the train, the embodiment adopts two modes of independent control and centralized control;
2. the power supply of the case adopts a redundancy mode, so that the normal power supply of the case is not influenced after one power supply is powered off;
3. the embodiment provides the diagnosis and monitoring function, and facilitates train maintenance and fault diagnosis and analysis.
The present embodiment also provides a train, which includes the grid controller on board the train as described above.
Preferably, in this embodiment, the train is a magnetic levitation train, but the type of the train is not particularly limited, and the train can be selected and adjusted according to actual needs.
The various illustrative logical modules, and circuits described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
In one or more exemplary embodiments, the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software as a computer program product, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. By way of example, and not limitation, such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. Any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a web site, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk (disk) and disc (disc), as used herein, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy disk and blu-ray disc where disks (disks) usually reproduce data magnetically, while discs (discs) reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood by one skilled in the art.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (18)
1. An on-board power grid controller for a train, comprising:
a circuit board for communicative connection with a vehicle diagnostic computer;
a data collection module communicatively coupled to the circuit board and configured to collect diagnostic monitoring data of an on-board power grid; and the number of the first and second groups,
a communication card communicatively connected to the data collection module and the circuit board, respectively, and configured to output the diagnostic monitoring data to the vehicle diagnostic computer for diagnostic control of the on-board power grid in response to the diagnostic monitoring data being acquired from the receipt collection module.
2. The on-board grid controller of claim 1, wherein the data collection module comprises at least one acquisition card;
a plurality of paths of digital quantity input channels are arranged on the acquisition card;
the at least one acquisition card is respectively in communication connection with the communication card, is configured to acquire the diagnosis monitoring data and the control signal of the vehicle-mounted power grid, and sends the acquired diagnosis monitoring data and the acquired control signal to the communication card.
3. The on-board grid controller of claim 1, wherein the data collection module comprises a DIO card;
the DIO card is provided with a plurality of paths of full chopping redundant digital quantity input channels and a plurality of paths of relay contact output channels;
the DIO card is in communication connection with the communication card and is configured to collect control signals, diagnostic monitoring data and/or monitoring data of the vehicle power grid and send the collected control signals, diagnostic monitoring data and/or monitoring data to the communication card.
4. The on-board grid controller of claim 1, wherein the data collection module comprises an and logic card;
the AND logic card is provided with a plurality of paths of digital quantity input channels;
the communication card is in communication connection with the logic card and is configured to collect control signals, diagnostic monitoring data and/or monitoring data of the vehicle electrical system and send the collected control signals, diagnostic monitoring data and/or monitoring data to the communication card.
5. The on-board power network controller of claim 1, wherein the communication card is provided with four ethernet interfaces;
and two paths of Ethernet interfaces on the communication card are used for maintaining programs and downloading data, and the other two paths of Ethernet interfaces are used for data interaction with the vehicle diagnosis computer.
6. The on-board network controller of claim 1, wherein the data collection module is communicatively coupled to the communication card via a BLVDS bus.
7. The vehicle electrical network controller of claim 1, further comprising a network filter card;
the power grid filtering card is electrically connected with the circuit board;
the power grid filtering card is electrically connected with an external power supply through a circuit board connector and supplies power to each board card in communication connection with the circuit board.
8. The on-board network controller of claim 7, wherein at least two mutually redundant power supply lines are provided on the network filter card;
the power grid filter card is used for supplying power to each board card in communication connection with the circuit board through at least two power supply lines.
9. The vehicle electrical network controller of claim 1, further comprising at least two mutually redundant selector switches and a current collector control card;
the at least two selector switches and the current collector control card are respectively in communication connection with the circuit board and the data collection module;
the data collection module is configured to collect diagnostic monitoring data and control signals of an on-board power grid from the selector switch and the current collector control card.
10. The vehicle electrical network controller of claim 1, further comprising a power-down control card;
the power-off control card is respectively in communication connection with the circuit board and the data collection module;
the data collection module is configured to collect diagnostic monitoring data and control signals of an on-board power grid from the power-off control card.
11. The vehicle electrical network controller of claim 1, further comprising a centralized control card;
the centralized control card is respectively in communication connection with the circuit board, the data collection module and the communication card;
the data collection module is configured to collect diagnostic monitoring data and control signals of an on-board power grid from the centralized control card.
12. The vehicle electrical network controller of claim 1, further comprising a decentralized control card;
the distributed control card is respectively in communication connection with the circuit board and the data collection module;
the data collection module is configured to collect diagnostic monitoring data and control signals of an on-board electrical network from the decentralized control card.
13. The on-board network controller according to any one of claims 1 to 12, wherein the circuit board is further configured to be electrically connected to an external device of the train via a connector.
14. The on-board grid controller of claim 13, wherein the external devices include any one or more of a boost chopper, a current collector, an air conditioner, a 440V battery, a 24V battery, an aluminum air battery, an on-board control unit, a 24V on-board grid switchbox, a 440V on-board grid switchbox, a DC/DC converter, and a 24V electrical box.
15. The vehicle electrical network controller of any one of claims 1-12, wherein the circuit board comprises a backplane.
16. The on-board network controller of any one of claims 1-12, wherein the circuit board is configured to communicatively couple to the vehicle diagnostic computer via an ethernet interface;
the communications card is configured to output the diagnostic monitoring data to the vehicle diagnostic computer through the ethernet interface.
17. A train comprising an on-board grid controller for a train as claimed in any one of claims 1 to 16.
18. The train of claim 17, wherein the train comprises a magnetic levitation train.
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| CN201911182735.XA CN112849216A (en) | 2019-11-27 | 2019-11-27 | Train and vehicle-mounted power grid controller thereof |
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