CN209479654U - Rail vehicle and its traction control apparatus - Google Patents
Rail vehicle and its traction control apparatus Download PDFInfo
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- CN209479654U CN209479654U CN201822198336.XU CN201822198336U CN209479654U CN 209479654 U CN209479654 U CN 209479654U CN 201822198336 U CN201822198336 U CN 201822198336U CN 209479654 U CN209479654 U CN 209479654U
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Abstract
The utility model discloses a kind of rail vehicle and its traction control apparatus, wherein, the traction electric machine major loop of rail vehicle includes high-tension distribution box and the traction invertor for driving traction electric machine, traction invertor includes the first IGBT mould group, traction control apparatus includes: backboard, and power connector and CAN subnet are provided on backboard；Master control board card, master control board card are connected by CAN major network with the ATC system of rail vehicle, and master control board card is also connected with high-tension distribution box and CAN subnet respectively；Motor control board, motor control board are connected with CAN subnet；First Driver Card, the first Driver Card are connected with motor control board and the first IGBT mould group respectively；Power supply media board, power supply media board are connected with master control board card and motor control board respectively by power connector.The traction control apparatus is communicated using CAN between board, and serious forgiveness is high, and board is according to function classification, compact-sized, is saved system resource, is improved anti-interference ability.
Description
Technical field
The utility model relates to technical field of rail traffic, in particular to the traction control apparatus and one of a kind of rail vehicle
Kind rail vehicle.
Background technique
In the pull-in control system of rail traffic, the control system of traction invertor receives ATC (Automatic
Train Control, rail vehicle automatically control) system send instruction, by operation issue PWM (Pulse Width
Modulation, pulse width modulation) signal, control IGBT (Insulated Gate Bipolar Transistor, insulation
Grid bipolar junction transistor) mould group by high voltage direct current be converted into exchange electric drive traction electric machine, realize rail vehicle traction and
Braking function.Meanwhile the control system acquisition inverter of traction invertor, distribution box, the electric current of associated components such as traction electric machine,
The key messages such as voltage, temperature, state, to realize itself protection.
As shown in Figure 1, traditional pull-in control system generally comprises master control board card, carries out communication card, IO (Input
Output, input and output) board, analog acquisition board, motor control board, high voltage power distribution control etc. functional cards, board
Between pass through CPCI (Compact Peripheral Component Interconnect, compact Peripheral Component Interconnect) bus
Carry out communication interaction data.It carries out communication card and receives the instruction such as the acceleration level of ATC system transmission, direction, pass through CPCI
Bus and master control board card interaction, carry out tractive torque calculating and distribution after master control board card processing；I O board card and analog acquisition plate
Card acquires relevant key message and variable, is used by bus data interaction for other boards；Master is received in motor control panel clamping
The data of board, I O board card and analog acquisition board are controlled, operation output pwm signal passes through I O board card again and exports to IGBT mould
Group, and then control traction electric machine.
However, there are the following problems for above-mentioned technology:
1) communication is carried out between board using cpci bus, this bus is derived from the progress communications industry and PC (personal
Computer, personal computer) on the pci bus that uses, use needs to run operating system, and more system is needed to provide
Source, and serious forgiveness is lower.In addition, the advantage of cpci bus structure is easy for resource expansion and realizes the plug and play of board, but
For traction invertor control system, after design typification, do not need to extend inversion by way of increasing board substantially
The function of device；And replacing plate card is such as needed, and power-off of stopping in track car inspection and repair, then open controller replacing plate
Card does not need to realize board plug and play.
2) traditional board is classified according to circuit types, such as I/O channel used is placed on I O board card, ADC (Analog-
To-Digital Converter, analog-digital converter) channel is all in analog acquisition board, and the acquisition and output of these signals are all
It is the board for serving the signal processings such as master control, distribution, motor control, the data interacted all rely on cpci bus, if
Bus carries out communication failure or is disturbed, and will lead to whole system collapse.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
Be to propose a kind of traction control apparatus of rail vehicle with a novel purpose, between the control device board using CAN into
Row communication, serious forgiveness is high, and board is according to function classification, compact-sized, reduces the data volume of the bus data interaction between plate,
System resource is saved, anti-interference ability is improved.
Another purpose of the utility model is to propose a kind of rail vehicle.
To achieve the goals above, the utility model first aspect proposes a kind of traction control apparatus of rail vehicle,
The traction electric machine major loop of the rail vehicle includes high-tension distribution box and the traction invertor for driving traction electric machine, described
Traction invertor includes the first IGBT mould group, and the traction control apparatus includes: backboard, is provided with connector on the backboard
Part and CAN subnet；Master control board card, the master control board card is connected by CAN major network with the ATC system of the rail vehicle, described
Master control board card is also connected with the high-tension distribution box and the CAN subnet respectively；Motor control board, the motor control board
It is connected with the CAN subnet, to be communicated by the CAN subnet with the master control board card；First Driver Card, described
One Driver Card is connected with the motor control board and the first IGBT mould group respectively, to receive the motor control board
The control signal of transmission, and on-off control is carried out to the first IGBT mould group according to the control signal；Power supply media board, institute
It states power supply media board and is connected respectively with the master control board card and the motor control board by the power connector, to give respectively
The master control board card and motor control board power supply.
The traction control apparatus of the rail vehicle of the utility model is communicated using CAN between board, and operation behaviour is not needed
Make system, and board structure is more compact, reduces the data volume of the bus data interaction between plate, save system resource, improve
Anti-interference ability.
In addition, the traction control apparatus of the rail vehicle of the utility model can also have the following additional technical features:
In some instances, the traction electric machine major loop of the rail vehicle further includes overvoltage crowbar, the over-voltage
Protecting circuit includes the 2nd IGBT mould group, the traction control apparatus further include: overvoltage protection board, the overvoltage protection board
It is connected by CAN backup net with the ATC system, the overvoltage protection board is also connected with the CAN subnet, by described
CAN subnet is communicated with the master control board card and the motor control panel card respectively；Second Driver Card, second driving
Board is connected with the overvoltage protection board and the 2nd IGBT mould group respectively, to receive the overvoltage protection board transmission
Overvoltage protection signal, and on-off control is carried out to the 2nd IGBT mould group according to the overvoltage protection signal；Wherein, described
Power supply media board also passes through the power connector and is connected with the overvoltage protection board, to power to the overvoltage protection board.
In some instances, the master control board card includes: first voltage conversion circuit, and the first voltage conversion circuit is logical
The power connector is crossed to be connected with the power supply media board；First CAN transceiver, first CAN transceiver pass through the CAN
Major network is communicated with the ATC system, and by the CAN subnet respectively with the motor control board, the over-voltage
Protection board card is communicated；First analog signal conditioning circuit, first analog signal conditioning circuit and the traction electric machine
Analog acquisition unit in major loop is connected；First switch amount processing circuit, the first switch amount processing circuit with it is described
Switching value input circuit in traction electric machine major loop is connected；It latches and power amplification circuit, the latch and power amplification is electric
Road is connected with the controllable switch in the high-tension distribution box；First digital signal processor, first digital signal processor
Respectively with the first voltage conversion circuit, first CAN transceiver, first analog signal conditioning circuit, described
One switching value processing circuit is connected with the latch and power amplification circuit.
In some instances, the motor control board includes: second voltage conversion circuit, the second voltage conversion electricity
Road is connected by the power connector with the power supply media board；Logic circuit, the logic circuit are electric with described second respectively
Voltage conversion circuit is connected with first Driver Card；Second digital signal processor, second digital signal processor point
It is not connected with the second voltage conversion circuit, the logic circuit and the CAN subnet；Third digital signal processor, institute
Third digital signal processor is stated to be connected with the second voltage conversion circuit and the CAN subnet respectively.
In some instances, second digital signal processor also carries out SCI with first digital signal processor
It is communicated, the third digital signal processor also carries out SCI with second digital signal processor and communicated.
In some instances, the overvoltage protection board includes: tertiary voltage conversion circuit, the tertiary voltage conversion electricity
Road is connected by the power connector with the power supply media board；Second CAN transceiver, second CAN transceiver pass through institute
CAN backup net is stated to be communicated with the ATC system, and by the CAN subnet respectively with the master control board card, the electricity
Machine Control card is communicated；Fiber optical transceiver, the fiber optical transceiver are connected with second Driver Card；Second simulation letter
Number conditioning circuit, second analog signal conditioning circuit and the analog acquisition unit phase in the traction electric machine major loop
Even；Second switch amount processing circuit, the second switch amount processing circuit and the switching value in the traction electric machine major loop are defeated
Enter circuit to be connected；4th digital signal processor, the 4th digital signal processor convert electricity with the tertiary voltage respectively
Road, second CAN transceiver, the fiber optical transceiver, second analog signal conditioning circuit, at the second switch amount
Reason circuit is connected with the CAN subnet.
In some instances, first digital signal processor, second digital signal processor, the third number
The model of word signal processor and the 4th digital signal processor is TMS320F28335.
In some instances, stating traction electric machine major loop further includes motor contactor, and the motor contactor is connected to institute
It states between traction invertor and the traction electric machine, wherein the motor control board is also connected with the motor contactor, with
Control the on-off of the motor contactor.
In some instances, the power supply media board includes: the 4th voltage conversion circuit, the 4th voltage conversion circuit point
It is not connected with default power supply and the power connector, the voltage of the default power supply is converted to the first supply voltage,
To give the master control board card, the motor control board and overvoltage protection board power supply respectively；5th voltage conversion circuit,
5th voltage conversion circuit respectively with the analog acquisition unit in the default power supply and the traction electric machine major loop
It is connected, the voltage of the default power supply is converted to the second supply voltage, to power to the analog acquisition unit.
To achieve the goals above, the utility model second aspect proposes a kind of rail vehicle, including the utility model
The traction control apparatus for the rail vehicle that first aspect proposes.
The rail vehicle of the utility model uses CAN using the traction control apparatus of above-mentioned rail vehicle between each board
It being communicated, serious forgiveness is high, and board is according to function classification, and it is compact-sized, reduce the data of the bus data interaction between plate
Amount, saves system resource, improves anti-interference ability.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the traction control apparatus of rail vehicle in the related technology；
Fig. 2 is the structural schematic diagram according to the traction control apparatus of the rail vehicle of the utility model one embodiment；
Fig. 3 is the structural schematic diagram according to the traction control apparatus of the rail vehicle of the utility model another embodiment；
Fig. 4 is the structural schematic diagram according to one exemplary master control board card of the utility model；
Fig. 5 is the structural schematic diagram according to the utility model one exemplary motor control board；
Fig. 6 is the structural schematic diagram according to the utility model one exemplary overvoltage protection board；
Fig. 7 is the carry out communication structure signal according to the traction control apparatus of one exemplary rail vehicle of the utility model
Figure；
Fig. 8 is the structural schematic diagram according to one exemplary power supply media board of the utility model；
Fig. 9 is the structural representation according to the traction control apparatus of the rail vehicle of one specific embodiment of the utility model
Figure；
Figure 10 is the structural block diagram according to the rail vehicle of the utility model embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and should not be understood as the limit to the utility model
System.
Below with reference to the accompanying drawings 1-10 describes the rail vehicle and its traction control apparatus of the utility model embodiment.
Fig. 2 is the structural schematic diagram according to the traction control apparatus of the rail vehicle of the utility model one embodiment.
As shown in Fig. 2, the traction electric machine major loop 20 of the rail vehicle includes high-tension distribution box 21 and draws for driving
The traction invertor 22 of motor M, traction invertor 22 include the first IGBT mould group IGBT1, which includes: back
Plate 11, master control board card 12, motor control board 13, the first Driver Card 14 and power supply media board 15.
Wherein, power connector 111 and CAN subnet 112 are provided on backboard 11；Master control board card 12 by CAN major network 1 with
The ATC system 2 of rail vehicle is connected, and master control board card 12 is also connected with high-tension distribution box 21 and CAN subnet 112 respectively；Motor control
Making sheet card 13 is connected with CAN subnet 112, to be communicated by CAN subnet 112 with master control board card 12；First Driver Card 14
It is connected respectively with motor control board 13 and the first IGBT mould group IGBT1, to receive the control letter of the transmission of motor control board 13
Number, and on-off control is carried out to the first IGBT mould group IGBT1 according to control signal；Power supply media board 15 passes through power connector
111 are connected with master control board card 12 and motor control board 13 respectively, to give master control board card 12 and motor control board 13 to supply respectively
Electricity.
Specifically, the supply voltage of the traction control apparatus 10 can be 110V, and power supply media board 15 can convert 110V voltage
For 24V/ ± 15V voltage, wherein 24V voltage can supply master control board card 12 and motor control by the power connector 111 of backboard 11
Making sheet card 13, master control board card 12 by CAN major network 1 receive rail vehicle ATC system 2 send information (including department platform handle letter
Breath, traffic direction information power on/move back electric command information etc.), and the information received is handled accordingly to be controlled.
Master control board card 12 can control high-tension distribution box 21 according to powering on/moving back electric command information, and master control board card 12 can pass through CAN subnet 112
It is communicated with motor control board 13, electricity will be sent to the processing result of department's platform handle information, traffic direction information etc.
Machine Control card 13, so that motor control board 13 generates corresponding control signal.First Driver Card 14 receives motor control
The control signal that board 13 is sent, and on-off control is carried out to the first IGBT mould group IGBT1 according to control signal, to control
The traction invertor 22 of rail vehicle, and then control the traction electric machine M of rail vehicle.
Optionally, the network speed of CAN major network 1 and CAN backup net 3 all can be 250K/S, the network speed of CAN subnet 112 can be with
It is 500K/S.
The traction control apparatus of the rail vehicle of the embodiment, board is according to function classification, and integrated level is high, rail vehicle
It is communicated between ATC system and master control board card using CAN, and is also led to using CAN between master control board card, motor control board
Letter, both saves system resource, while also improving anti-interference ability.
In one embodiment of the utility model, as shown in figure 3, the traction electric machine major loop 20 of the rail vehicle also wraps
Overvoltage crowbar 23 is included, overvoltage crowbar 23 includes the 2nd IGBT mould group IGBT2, the traction control apparatus 10 further include:
Overvoltage protection board 16 and the second Driver Card 17.
Wherein, overvoltage protection board 16 is communicated by CAN backup net 3 with ATC system 2, and overvoltage protection board 16 is also
It is connected with CAN subnet 112, to be communicated respectively with master control board card 12 and motor control board 13 by CAN subnet 112；The
Two Driver Cards 17 are connected with overvoltage protection board 16 and the 2nd IGBT mould group IGBT2 respectively, to receive overvoltage protection board 16
The overvoltage protection signal of transmission, and on-off control is carried out to the 2nd IGBT mould group IGBT2 according to overvoltage protection signal；Wherein,
Power supply media board 15 is also connected by power connector 111 with overvoltage protection board 16, to power to overvoltage protection board 16.
In this embodiment, overvoltage protection board 16 can receive the number of the ATC system 2 of rail vehicle by CAN backup net 3
According to redundancy backup as CAN major network 1.When the paralysis of CAN major network, can be interacted by CAN backup net with ATC system, Jin Erke
Data are transmitted to master control board card 12 and motor control board 13 by CAN subnet 112, thereby ensure that the reliability of control.
In an example of the utility model, as shown in figure 4, master control board card 12 includes: first voltage conversion circuit
121, the first CAN transceiver 122, the first analog signal conditioning circuit 123, first switch amount processing circuit 124, latch and power
Amplifying circuit 125 and the first digital signal processor 126.
Wherein, first voltage conversion circuit 121 is connected by power connector 111 with power supply media board 15；First CAN transmitting-receiving
Device 122 is communicated with ATC system 2 by CAN major network 1, and pass through CAN subnet 112 respectively with motor control board 13, mistake
Pressure protection board 16 is communicated；First analog signal conditioning circuit 123 and the analog acquisition in traction electric machine major loop 20
Unit 4 is connected；First switch amount processing circuit 124 is connected with the switching value input circuit 5 in traction electric machine major loop 20；It latches
And power amplification circuit 125 is connected with the controllable switch in high-tension distribution box 21；First digital signal processor 126 is respectively with
One voltage conversion circuit 121, the first CAN transceiver 122, the first analog signal conditioning circuit 123, first switch amount processing circuit
124 are connected with latch and power amplification circuit 125.
In this embodiment, as shown in figure 9, analog acquisition unit 4 includes current acquisition module IH1, current acquisition mould
Block IH2, current acquisition module IH3, voltage acquisition module VH, temperature collecting module etc., can be used for acquiring bus voltage signal, mother
Line current signal, the phase current of traction electric machine M, temperature signal of IGBT mould group etc.；Switching value input circuit 5 can be used for inputting number
Word amount.
Specifically, power supply media board 15 passes through the power connector 111 and 121 phase of first voltage conversion circuit on backboard 11
Even, by 24V voltage input to first voltage conversion circuit 121, first voltage conversion circuit 121 is converted to 24V voltage+
The voltage of 3.3V and+1.9V, and supply electricity to the first digital signal processor 126.First CAN transceiver 122 passes through CAN major network 1
CAN is carried out with ATC system 2 to be communicated, and powers on or move back electric order, the first number to receive the high pressure of rail vehicle ATC system 2
Signal processor 126 passes through the preliminary filling circuit in latch and 125 output signal of power amplification circuit control high-tension distribution box 21, height
The actuation and disconnection of the contactors such as fast breaker, positive/negative contactor.First switch amount processing circuit 124 is in major loop 20
Switching value handled, and processing result is sent to the first digital signal processor 126, the first analog signal conditioning circuit
Voltage signal, current signal and temperature signal in 123 pairs of major loops 20 are handled, and processing result is sent to the first number
Word signal processor 126, the first digital signal processor 126 generate corresponding control instruction according to above-mentioned processing result, by the
Control instruction is sent to motor control board 13, overvoltage protection board 16 by CAN subnet 112 by one CAN transceiver 122.
In addition, as shown in figure 4, master control board card 12 can also include clock circuit, reset circuit, failed storage circuit etc..
Wherein, the clock signal of clock circuit output is used to provide the time base of various microoperations in the first digital signal processor 126
Standard, the reset signal of reset circuit output are used to initialize circuit in the first digital signal processor 126, make the first digital signal
Processor 126 brings into operation from a kind of initial state of determination, and failed storage circuit is for storing the first digital signal processor 126 fortune
The fault message occurred during row.
Further, as shown in figure 5, motor control board 13 includes: second voltage conversion circuit 131, logic circuit
132, the second digital signal processor 133 and third digital signal processor 134.
Wherein, second voltage conversion circuit 131 is connected by power connector 111 with power supply media board 15；Logic circuit 132
It is connected respectively with second voltage conversion circuit 131 and the first Driver Card 14；Second digital signal processor 133 is respectively with second
Voltage conversion circuit 131, logic circuit 132 are connected with CAN subnet 112；Third digital signal processor 134 is electric with second respectively
Voltage conversion circuit 131 is connected with CAN subnet 112.Optionally, logic circuit 132 may include CPLD (Complex
Programmable Logic Device, Complex Programmable Logic Devices), motor control board 13 can also include at rotation change
Manage circuit, decoding chip and crystal oscillating circuit, the second digital signal processor 133, third digital signal processor 134 and logic electricity
Road 132 is separately connected crystal oscillating circuit.
Specifically, the supply voltage of+24V can be converted to+5V voltage and ± 15V voltage by second voltage conversion circuit 131,
Wherein ,+5V voltage supplies electricity to the second digital signal processor 133, the second digital signal processor 134 and logic circuit respectively
132, ± 15V voltage becomes excitation power supply for revolving.Rotation becomes processing circuit and acquires and handle the rotation varying signal of traction electric machine M, the rotation
Pass through SPI (Serial Peripheral after the decoding that varying signal (such as angular speed and angular displacement) passes through decoding chip
Interface, Serial Peripheral Interface (SPI)) the second digital signal processor 133 of input, the AD of the second digital signal processor 133
Sample circuit acquires the busbar voltage of traction electric machine major loop 20, the electric current of traction electric machine M, the temperature of IGBI1 and DC current
And calculation process is carried out, realize the second digital signal processor 133 by 6 road pwm signals (i.e. control signal) output to logic electricity
Road 132, logic circuit 132 are handled 6 road pwm signals and are sent to the first Driver Card 14, to traction invertor 22 into
Row control, to realize the control to traction electric machine M.
Similarly, referring to Fig. 5, motor control board 13 can also include clock circuit, reset circuit, failed storage circuit
Deng.
Further, as shown in fig. 6, overvoltage protection board 16 includes: tertiary voltage conversion circuit 161, the 2nd CAN receipts
Send out device 162, fiber optical transceiver 163, the second analog signal conditioning circuit 164, second switch amount processing circuit 165 and the 4th number
Signal processor 166.
Wherein, tertiary voltage conversion circuit 161 is connected by power connector 111 with power supply media board 15；2nd CAN transmitting-receiving
Device 162 is communicated by CAN backup net 3 with ATC system 2, and by CAN subnet 112 respectively with master control board card 12, motor
Control card 13 is communicated；Fiber optical transceiver 163 is connected with the second Driver Card 17；Second analog signal conditioning circuit 164
It is connected with the analog acquisition unit 4 in traction electric machine major loop 20；Second switch amount processing circuit 165 and traction electric machine master return
Switching value input circuit 5 in road 20 is connected；4th digital signal processor 166 respectively with tertiary voltage conversion circuit 161,
Two CAN transceivers 162, fiber optical transceiver 163, the second analog signal conditioning circuit 164,165 and of second switch amount processing circuit
CAN subnet 112 is connected.
Specifically, referring to Fig. 6,164 collection voltages of the second analog signal conditioning circuit, electric current and temperature signal are simultaneously located
Reason, is then forwarded to the 4th digital signal processor 166,165 temperature collection digital quantity of second switch amount processing circuit, oil level number
Word amount and feedback signal are simultaneously handled, and the 4th digital signal processor 166, the light in fiber optical transceiver 163 are then forwarded to
The temperature signal of line receiver 163a acquisition driving error signal and IGBT1 are simultaneously sent to the 4th digital signal processor 166, the
Four digital signal processors 166 carry out calculation process to collected parameter, and are sent by the light in fiber optical transceiver 163
Device 163b sends chopping signal to third Driver Card 17, and third Driver Card 17 controls the on-off of IGBT2 according to chopping signal,
To realize over-voltage protecting function.
Similarly, overvoltage protection board 16 can also include clock circuit, reset circuit, failed storage circuit etc..
In one embodiment of the utility model, as shown in fig. 7, the second digital signal processor 133 is also counted with first
Word signal processor 126 carries out SCI (Serial Communication Interface, serially carry out communication interface) and is led to
Letter, third digital signal processor 134 also carry out SCI with the second digital signal processor 133 and are communicated.Pass through SCI as a result,
Communication is carried out as redundancy backup, improves the reliability of control.
Optionally, the first digital signal processor 126, the second digital signal processor 133, third digital signal processor
134 and the 4th the model of digital signal processor 166 be TMS320F28335.
As shown in figure 8, power supply media board 15 includes: the 4th voltage conversion circuit 151 and the 5th voltage conversion circuit 152.Its
In, the 4th voltage conversion circuit 151 is connected with default power supply and power connector 111 respectively, to by the voltage of default power supply
The first supply voltage is converted to, to give master control board card 15, motor control board 13 and overvoltage protection board 16 to power respectively；5th
Voltage conversion circuit 152 is connected with the analog acquisition unit in default power supply and traction electric machine major loop 20 respectively, to incite somebody to action
The voltage of default power supply is converted to the second supply voltage, to power to analog acquisition unit.
Optionally, referring to Fig. 8, Fig. 9, the voltage for presetting power supply 5 can be 110V, 110V voltage can be used for Power Supply Monitoring and
It powers to switching value input circuit 5.110V voltage is converted to (the i.e. first power supply of+24V voltage by the 4th voltage conversion circuit 151
Voltage) it is provided to master control board card 15, motor control board 13 and overvoltage protection board 16, the 5th voltage conversion circuit 151 will
110V voltage is converted to ± 15V voltage (i.e. the second supply voltage) and is provided to analog acquisition unit 4.
In one embodiment of the utility model, as shown in figure 9, traction electric machine major loop 20 may also include motor contact
Device KM, motor contactor KM are connected between traction invertor 22 and traction electric machine M, wherein motor control board 13 also with electricity
Machine contactor KM is connected, to control the on-off of motor contactor KM.
In conclusion the traction control apparatus of the rail vehicle of the utility model, board circuit is related according to function classification
The circuit of function can be put nearby, and board structure is more compact, and anti-interference ability is stronger, and the integrated level of board is higher, reduce board
Between bus data interaction data volume, and communicated between board using CAN bus, strong antijamming capability, do not need to run
Operating system, each board can be completed and communicated using CAN transceiver and DSP cooperation, save system resource.
Figure 10 is the structural block diagram according to the rail vehicle of the utility model embodiment.As shown in Figure 10, the rail vehicle
100 include the traction control apparatus 10 of above-described embodiment.
The rail vehicle of the utility model uses CAN using the traction control apparatus of above-mentioned rail vehicle between each board
It is communicated, board structure is compact, saves system resource, strong antijamming capability.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of traction control apparatus of rail vehicle, which is characterized in that the traction electric machine major loop of rail vehicle includes high pressure
Distribution box and traction invertor for driving traction electric machine, the traction invertor include the first IGBT mould group, the traction
Control device includes:
Backboard is provided with power connector and CAN subnet on the backboard；
Master control board card, the master control board card are connected by CAN major network with the ATC system of rail vehicle, and the master control board card also divides
It is not connected with the high-tension distribution box and the CAN subnet；
Motor control board, the motor control board are connected with the CAN subnet, to pass through the CAN subnet and the master
Control board is communicated；
First Driver Card, first Driver Card respectively with the motor control board and the first IGBT mould group phase
Even, to receive the control signal that the motor control board is sent, and according to the control signal to the first IGBT mould
Group carries out on-off control；
Power supply media board, the power supply media board by the power connector respectively with the master control board card and the motor control panel
Card is connected, to give the master control board card and the motor control board to power respectively.
2. the traction control apparatus of rail vehicle according to claim 1, which is characterized in that the traction of the rail vehicle
Motor main circuit further includes overvoltage crowbar, and the overvoltage crowbar includes the 2nd IGBT mould group, the traction control dress
It sets further include:
Overvoltage protection board, the Overvoltage Protection Board card are connected by CAN backup net with the ATC system, the overvoltage protection
Board is also connected with the CAN subnet, with by the CAN subnet respectively with the master control board card and the motor control board
It is communicated；
Second Driver Card, second Driver Card respectively with the overvoltage protection board and the 2nd IGBT mould group phase
Even, to receive the overvoltage protection signal that the overvoltage protection board is sent, and according to the overvoltage protection signal to described the
Two IGBT mould groups carry out on-off control；
Wherein, the power supply media board also passes through the power connector and is connected with the overvoltage protection board, to give the over-voltage
Protect board power supply.
3. the traction control apparatus of rail vehicle according to claim 2, which is characterized in that the master control board card includes:
First voltage conversion circuit, the first voltage conversion circuit pass through the power connector and the power supply media board phase
Even；
First CAN transceiver, first CAN transceiver are communicated by the CAN major network with the ATC system, and
It is communicated respectively with the motor control board, the Overvoltage Protection Board card by the CAN subnet；
Simulation in first analog signal conditioning circuit, first analog signal conditioning circuit and the traction electric machine major loop
Acquisition unit is measured to be connected；
First switch amount processing circuit, the first switch amount processing circuit and the switching value in the traction electric machine major loop are defeated
Enter circuit to be connected；
Latch and power amplification circuit, the latch and power amplification circuit and the controllable switch phase in the high-tension distribution box
Even；
First digital signal processor, first digital signal processor respectively with the first voltage conversion circuit, described
First CAN transceiver, first analog signal conditioning circuit, the first switch amount processing circuit and the latch and power
Amplifying circuit is connected.
4. the traction control apparatus of rail vehicle according to claim 3, which is characterized in that the motor control board packet
It includes:
Second voltage conversion circuit, the second voltage conversion circuit pass through the power connector and the power supply media board phase
Even；
Logic circuit, the logic circuit are connected with the second voltage conversion circuit and first Driver Card respectively；
Second digital signal processor, second digital signal processor respectively with the second voltage conversion circuit, described
Logic circuit is connected with the CAN subnet；
Third digital signal processor, the third digital signal processor respectively with the second voltage conversion circuit and described
CAN subnet is connected.
5. the traction control apparatus of rail vehicle according to claim 4, which is characterized in that at second digital signal
Reason device also with first digital signal processor carry out SCI communicated, the third digital signal processor also with it is described
Second digital signal processor carries out SCI and is communicated.
6. the traction control apparatus of rail vehicle according to claim 4, which is characterized in that the overvoltage protection board packet
It includes:
Tertiary voltage conversion circuit, the tertiary voltage conversion circuit pass through the power connector and the power supply media board phase
Even；
Second CAN transceiver, second CAN transceiver are communicated by the CAN backup net with the ATC system, with
And it is communicated respectively with the master control board card, the motor control panel card by the CAN subnet；
Fiber optical transceiver, the fiber optical transceiver are connected with second Driver Card；
Simulation in second analog signal conditioning circuit, second analog signal conditioning circuit and the traction electric machine major loop
Acquisition unit is measured to be connected；
Second switch amount processing circuit, the second switch amount processing circuit and the switching value in the traction electric machine major loop are defeated
Enter circuit to be connected；
4th digital signal processor, the 4th digital signal processor respectively with the tertiary voltage conversion circuit, described
Second CAN transceiver, the fiber optical transceiver, second analog signal conditioning circuit, the second switch amount processing circuit
It is connected with the CAN subnet.
7. the traction control apparatus of rail vehicle according to claim 6, which is characterized in that at first digital signal
Manage device, second digital signal processor, the third digital signal processor and the 4th digital signal processor
Model is TMS320F28335.
8. the traction control apparatus of rail vehicle according to claim 1, which is characterized in that the traction electric machine major loop
It further include motor contactor, the motor contactor is connected between the traction invertor and the traction electric machine, wherein institute
It states motor control board to be also connected with the motor contactor, to control the on-off of the motor contactor.
9. the traction control apparatus of rail vehicle according to claim 2, which is characterized in that the power supply media board includes:
4th voltage conversion circuit, the 4th voltage conversion circuit are connected with default power supply and the power connector respectively,
The voltage of the default power supply is converted to the first supply voltage, to give the master control board card, the motor control respectively
Board and overvoltage protection board power supply；
5th voltage conversion circuit, the 5th voltage conversion circuit are returned with the default power supply and the traction electric machine master respectively
Analog acquisition unit in road is connected, the voltage of the default power supply is converted to the second supply voltage, to described
The power supply of analog acquisition unit.
10. a kind of rail vehicle, which is characterized in that including leading for rail vehicle according to claim 1 to 9
Draw control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822198336.XU CN209479654U (en) | 2018-12-25 | 2018-12-25 | Rail vehicle and its traction control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822198336.XU CN209479654U (en) | 2018-12-25 | 2018-12-25 | Rail vehicle and its traction control apparatus |
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ID=68128023
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822082A (en) * | 2021-01-11 | 2021-05-18 | 明峰医疗系统股份有限公司 | High-stability high-speed CAN communication method |
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2018
- 2018-12-25 CN CN201822198336.XU patent/CN209479654U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822082A (en) * | 2021-01-11 | 2021-05-18 | 明峰医疗系统股份有限公司 | High-stability high-speed CAN communication method |
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