CN206265049U - A kind of air pressure controller of rail traffic vehicles - Google Patents
A kind of air pressure controller of rail traffic vehicles Download PDFInfo
- Publication number
- CN206265049U CN206265049U CN201621327890.8U CN201621327890U CN206265049U CN 206265049 U CN206265049 U CN 206265049U CN 201621327890 U CN201621327890 U CN 201621327890U CN 206265049 U CN206265049 U CN 206265049U
- Authority
- CN
- China
- Prior art keywords
- circuit
- air pressure
- follower
- rail traffic
- pressure controller
- 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.)
- Active
Links
- 238000002955 isolation Methods 0.000 claims description 13
- 230000004224 protection Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 235000019800 disodium phosphate Nutrition 0.000 description 3
- 238000004088 simulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of air pressure controller of rail traffic vehicles, including：Air pressure Acquisition Circuit, tunable filter circuit, control circuit, CAN interface circuit and RS232 interface circuits；Wherein, air pressure Acquisition Circuit is connected with tunable filter circuit；Control circuit is connected with tunable filter circuit, CAN interface circuit, RS232 interface circuits respectively；Tunable filter circuit is provided with and follows circuit, regulation circuit, filter circuit and ARM chips.The utility model provides a kind of air pressure controller of rail traffic vehicles, with good adaptability and versatility.
Description
Technical field
The utility model is related to railway vehicle device technical field, more particularly to a kind of air pressure of rail traffic vehicles
Controller.
Background technology
The operation characteristic of track traffic bullet train has larger difference compared with way-train, to its air handling system
Propose following requirement：1st, the adaptability requirement that air handling system changes to car external pressure is greatly.2nd, air handling system
Air quality requirement is high.Because bullet train speed is general in more than 200km/h, the control in pressure regulation and air quality
The comfort level of passenger can be influenceed.
And existing track traffic bullet train uses controller type due to vehicle model and the difference of manufacturer
Different, often the bullet train of a type needs the control of the special sensor of configuration and configuration and the sensor matching
Device, could complete control.Same air pressure controller cannot be applied on the vehicle of multiple models, adaptability and autgmentability
It is poor.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of air pressure controller of rail traffic vehicles,
With good adaptability and versatility.
To solve above technical problem, the utility model embodiment provides a kind of air-pressure controlling of rail traffic vehicles
Device, including：Air pressure Acquisition Circuit, tunable filter circuit, control circuit, CAN interface circuit and RS232 interface circuits；
Wherein, the air pressure Acquisition Circuit is connected with the tunable filter circuit；
It is described control circuit respectively with the tunable filter circuit, the CAN interface circuit, the RS232 interface circuits
Connection；
The tunable filter circuit is provided with and follows circuit, regulation circuit, filter circuit and ARM chips.
Further, the tunable filter circuit is provided with and follows circuit, regulation circuit, filter circuit and ARM chips, tool
Body is：
It is described follow circuit include the first follower, the second follower, the 3rd follower and the 4th follower；
The regulation circuit includes：First regulation circuit and the second regulation circuit；
The filter circuit includes the first electric capacity, the second electric capacity and the 3rd electric capacity.
Further, first follower, the first regulation circuit, second follower, the described 3rd follow
Device, ARM chip-in series connection；
The second regulation circuit is connected with the 3rd follower, the 4th follower respectively；
First electric capacity is connected with second follower；
Second electric capacity is connected with the 3rd follower；
3rd electric capacity is connected with the 4th follower.
Further, the ARM chips are the ARM chips of model LPC2132.
It is further, described that to control circuit be the minimum control system with dsp chip as core；
The minimum control system includes：The dsp chip, clock circuit, reset circuit, filter circuit, JTAG are downloaded
Circuit and power management chip；
The dsp chip is downloaded with the clock circuit, the reset circuit, the filter circuit, the JTAG respectively
Circuit, power management chip connection.
Further, the dsp chip is the dsp chip of model TMS320LF2407.
Further, the CAN interface circuit includes CAN isolation module and connected peripheral RC protections electricity
Road.
Further, the CAN isolation module includes the isolating chip of model CTM1051.
Further, serial ports nucleus module of the RS232 interface circuits comprising model RSM232.
It can be seen that, the air pressure controller of the rail traffic vehicles that the utility model embodiment is provided, including air pressure
Acquisition Circuit, tunable filter circuit, control circuit, CAN interface circuit and RS232 interface circuits.Wherein, tunable filter circuit sets
It is equipped with and follows circuit, regulation circuit, filter circuit and ARM chips.Technical side that cannot be general compared to prior art controller
Case, the regulation circuit that the utility model passes through the setting in tunable filter circuit, and fitted by changing the resistance of regulation circuit
Answer the air pressure of different ranges to gather sensor, so as to expand the applicability and versatility of air pressure controller, be adapted to height
The popularization of fast subway, high ferro and intercity track train.
Further, the circuit that follows that tunable filter circuit is set has the performance that output impedance is small, carrying load ability is strong,
Can be used to improve input impedance, improve the antijamming capability of the output signal of air pressure Acquisition Circuit.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of the data acquisition unit that the utility model is provided；
Fig. 2 is the structural representation of the second embodiment of the data acquisition unit that the utility model is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe.
It is a kind of embodiment of the air pressure controller of the rail traffic vehicles that the utility model is provided referring to Fig. 1
Structural representation.The controller includes：Air pressure Acquisition Circuit 101, tunable filter circuit 102, control circuit 103, CAN connect
Mouth circuit 104 and RS232 interface circuits 105.Wherein, air pressure Acquisition Circuit 101 is connected with tunable filter circuit 102.Control
Circuit processed 103 is connected with tunable filter circuit 102, CAN interface circuit 104, RS232 interface circuits 105 respectively.
In the present embodiment, air pressure Acquisition Circuit 101 is main is made up of SMI pressure sensors and DA outputs.Pressure
Sensor is SM5852 series sensors, using advanced cmos digital signal processing technology, can be amplified, adjust and temperature
Spend the biserial needle-inserted pressure sensor of compensation.Asic technology is adjusted by integrated signal in pressure sensor, is greatly simplified
The use of high-performance SMI pressure sensors.The sensor can be directly mounted on the printed circuit board (PCB) of standard, using integrated
Digital processing system and simulation output can directly obtain the high level pressure signal after amplifying calibration.SM5812/SM5852 systems
Using the high performance pressure resistance type chips of SMI are installed on ceramic substrate, the range of SM5852 is sensed row from 0-0.5PSI to 0-3PSI
Device output signal is proportional to input voltage.
In the present embodiment, tunable filter circuit 102 is provided with and follows circuit 201, regulation circuit 202, filter circuit 203
With ARM chips 204.Referring to Fig. 2, Fig. 2 is a kind of circuit structure of embodiment of the tunable filter circuit that the utility model is provided
Schematic diagram.As shown in Fig. 2 follow circuit 201 include the first follower NY3A, the second follower NY3B, the 3rd follower NY4B
With the 4th follower NY4A.Regulation circuit 202 includes：First regulation circuit (resistance RY13/RY14/RY12) and the second regulation electricity
Road (resistance RY20/RY21/RY22).Filter circuit 203 includes the first electric capacity CY23, the second electric capacity CY24 and the 3rd electric capacity
CY22.Wherein, the first follower NY3A, the first regulation circuit, the second follower NY3B, the 3rd follower NY4B, ARM chip
204 are connected in series.Second regulation circuit is connected with the 3rd follower NY4B, the 4th follower NY4A respectively.First electric capacity CY23
It is connected with the second follower NY3B.Second electric capacity CY24 is connected with the 3rd follower NY4B.3rd electric capacity CY22 and the 4th
Follower NY4A is connected.
In the present embodiment, tunable filter circuit 102 is band filter function, the adjustable circuit of range, is an algorithm electricity
Road.First follower NY3A output 2.5V voltages obtain 2.1875V voltages after partial pressure, then are obtained by the second follower NY3B
Low ESR output voltage 2.1875V；4th follower NY4A can obtain a voltage of 1.875Vin as voltage amplifier, most
Voltage Vout=1.875Vin-2.1875 is obtained by the 3rd follower NY4B afterwards, is input in ARM chips 204.Adjustable filtering
Circuit 102 can be by changing the resistance in the first regulation circuit and the second regulation circuit, so that this controller can
The SMI sensors output of different ranges is adapted to, compared to without the controller using the tunable filter circuit, spirit of the present utility model
Activity is stronger.In addition, tunable filter circuit 102 is carried out by filter circuit to the output signal of air pressure Acquisition Circuit 101
Filtering, exports more accurate signal.And following the follower output impedance in circuit small, carrying load ability is strong, for improving
Input impedance, improves antijamming capability.
In the present embodiment, ARM chips 204 are the ARM chips of model LPC2132.LPC2132 is based on a support
Real-time simulation and 32/16 microcontroller of ARM7TDMI-STM CPU of Embedded Trace, and the insertion with 64kB height
Fast flash storage.The memory interface of 128 bit widths and the accelerating structure of uniqueness enable 32 codes in maximum clock speed
Run under rate.The application for having strict control to code size can be used 16Pattern exceedes code size reduction
30%, and property loss of energy very little.Less encapsulation and extremely low power consumption make LPC2132 to be ideally used to mini-system
In.The SRAM of 16kB makes LPC2132 be highly suitable for communication gate, protocol conversion in the serial communication interface and piece of wide scope
Device, signal acquisition etc., for they provide huge buffer space and powerful processing function.Multiple 32 bit timing devices, 1 10
The external interrupt of 8 road ADC of position, 10 DAC, PWM passages and 47 GPIO and up to 9 edges or level triggers makes them special
Shi Yongyu not industrial signal acquisition, control system.
In the present embodiment, it is the minimum control system with dsp chip as core to control circuit 103.Minimum control system
Including：Dsp chip, clock circuit, reset circuit, filter circuit, JTAG download circuits and power management chip MC33164D-5.
Dsp chip is connected with clock circuit, reset circuit, filter circuit, JTAG download circuits, power management chip respectively.
Used as one kind citing of the present embodiment, dsp chip is the dsp chip of model TMS320LF2407.The family device
The Digital Signal Processing on-chip system cake core being completely integrated, outside the basic function with TMS320 series DSPs, also its
Own characteristic：
Using high-performance static state CMOS technology so that supply voltage is reduced to 3.3V, reduces the power attenuation of controller；
The instruction cycle that the execution speed of 30MIPS is shortens to 33ns (30MHZ), so as to improve the real-time control capability of controller；Base
Ensure that TMS320LF2407DSP codes and TMS320 series DSPs code are compatible in the CPU core of TMS320C2XX DSP；Piece
Inside there is the Flash program memory of up to 32K word × 16；The up to data/program RAM of 2.5K × 16；The single port of 2K words
RAM；SPI/SCI guides ROM；Two event manager modules EVA and EVB, each includes following resource：Two 16 general fixed
When device；The pulsewidth modulation passage (PWM) of 8 16, it is possible to achieve three-phase inverter control, the center of PWM or marginal correction, when
External pin PDPINTX there are quick closedown PWM passages during low level；Prevent the programmable PWM of breakdown fault from dying control
System；3 capturing units of capture are timed to external event；Photoelectric encoder interface circuit in piece；The synchronous ADC of 16 passages
Converter.Expansible external memory storage has 192K × 16 bit space, respectively 64K words program's memory space, the number of 64K words
According to memory space and the I/O memory spaces of 64K words；House dog (WD) timer module；The ADC converters of 10, its characteristic is：
The minimum transition time is 500ns, and 16 input channels of multiplexing, optional two task managers are logical to trigger two 8
Road is input into the A/D converter of ADC converters or a 16 passages input；Clock generator based on phaselocked loop (PLL)；Up to 41
The individual universal input output pin (GPIO) for being independently programmed or being multiplexed；(two drive protection, reset and two to 5 external interrupts
Individual maskable interrupts)；Power management, with 3 kinds of low-power consumption modes, can be independent peripheral components are transferred to low-power consumption Working mould
Formula；The peripheral hardware of numeral and mixed signal.Task manager；CAN (Controller Area Network), i.e. controller region
Net；Serial communication interface (SCI) and 16 Bits Serial external apparatus interfaces (SPI)；Analog-digital converter (ADC)；System protection, for example
Under-voltage protection and WatchDog Timer.
In the present embodiment, the master chip TMS320LF2407 of control circuit 103 is mainly and is adopted to receiving inside and outside air pressure
Sample simultaneously, calculates pressure change rate, when pressure change rate is more than setting value, the Pneumatic valve electricity of output signal Opening pressure protection valve
Magnetic coil, Pneumatic valve inner passage commutation, source of the gas is turned on by Pneumatic valve commutation and cylinder top air inlet, and gases at high pressure are promoted
Cylinder valve body, it is to avoid violent pressure wave is into the car；When calculating to pressure change rate is less than setting value, stop signal
The Pneumatic valve magnet coil that simultaneously closing presure protects valve is exported, Pneumatic valve is automatically reset and commutated by contained spring, now gas
Source and cylinder foot air inlet are turned on, and gases at high pressure promote cylinder to open valve body.
It can be seen that, the air pressure controller energy inside and outside air pressure difference of Real-time Collection vehicle, realize pressure Protection control system and
When, effective work, and protect controller working condition to be timely fed back to driver related pressure value, pressure by CAN
Room.The design of the controller has the function such as strong antijamming capability, practical and convenient, highly versatile, solves in speed car compartment
The problems such as air pressure is protected, is adapted to be promoted in railway systems.
In the present embodiment, CAN interface circuit 104 includes CAN isolation module and connected peripheral RC protections
Circuit.CAN isolation module includes the isolating chip of model CTM1051.CAN interface circuit 104 and outside CAN
2,7 two pins connection of DB4 joints, by CTM1051 CANs isolation module 3,4 pin and dsp chip
TD1, RD1 pin connection of TMS320LF2407.Bus communication circuitry passes through CAN isolation module by the difference in CAN
Sub-signal is sent to the TMS320LF2407 chips for controlling circuit after being converted into TTL signal；And can be by from control circuit
The data of TMS320LF2407 chips are sent in CAN after being converted to differential signal by CAN isolation module.Using
CTM1051/CTM1051A modules compare existing use PCA82C251 chips, possess and are electrically isolated completely to circuit, isolation voltage
(DC2500V), CTM1051/CTM1051A also has to the buffer action between CAN controller and CAN in addition.
In the present embodiment, serial ports nucleus module of the RS232 interface circuits 105 comprising model RSM232.RSM232 is
Integrated power supply isolation, electrical isolation, RS232 interface chips, bus guardian are in the isolated transceiver module of one.RS232 connects
After the device data of mouth circuit 105 sends Transistor-Transistor Logic level to outside RSM232 modules from the TMS320LF2407 chips of control circuit,
It is converted into RS232 data and delivers to PC；RS232 interface circuits 105 are received PC and are issued by RS232 lines again by RSM232
Data, be then converted into Transistor-Transistor Logic level deliver to control circuit TMS320LF2407 chips.The utility model is connect using RSM232
Mouth chip, compared to the RS232 interfaces for selecting MAX232/SP232 chips before, in electrostatic protection, electrical isolation, bus protection etc.
Aspect performance boost is clearly.
In sum, the air pressure controller of the rail traffic vehicles that the utility model embodiment is provided, including air
Pressure acquisition circuit 101, tunable filter circuit 102, control circuit 103, CAN interface circuit 104 and RS232 interface circuits 105.
Wherein, tunable filter circuit 102 is provided with and follows circuit 201, regulation circuit 202, filter circuit 203 and ARM chips 204.Phase
Technical scheme that cannot be general than in prior art controller, the utility model passes through the regulation set in tunable filter circuit
Circuit, and the air pressure collection sensor of different ranges is adapted to by changing the resistance of regulation circuit, so as to expand air
The applicability and versatility of pressure controller, are adapted to the popularization of high speed subway, high ferro and intercity track train.
Further, what tunable filter circuit 102 was set follow circuit 201 to have, and output impedance is small, carrying load ability is strong
Performance, can be used for improve input impedance, improve air pressure Acquisition Circuit output signal antijamming capability.
The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moisten
Decorations are also considered as protection domain of the present utility model.
Claims (9)
1. a kind of air pressure controller of rail traffic vehicles, it is characterised in that including：It is air pressure Acquisition Circuit, adjustable
Filter circuit, control circuit, CAN interface circuit and RS232 interface circuits；
Wherein, the air pressure Acquisition Circuit is connected with the tunable filter circuit；It is described control circuit respectively with it is described can
Adjust filter circuit, the CAN interface circuit, RS232 interface circuits connection；
The tunable filter circuit is provided with and follows circuit, regulation circuit, filter circuit and ARM chips.
2. the air pressure controller of rail traffic vehicles according to claim 1, it is characterised in that the adjustable filtering
Circuit is provided with and follows circuit, regulation circuit, filter circuit and ARM chips, specially：
It is described follow circuit include the first follower, the second follower, the 3rd follower and the 4th follower；
The regulation circuit includes：First regulation circuit and the second regulation circuit；
The filter circuit includes the first electric capacity, the second electric capacity and the 3rd electric capacity.
3. the air pressure controller of rail traffic vehicles according to claim 2, it is characterised in that
First follower, the first regulation circuit, second follower, the 3rd follower, the ARM chips
It is connected in series；
The second regulation circuit is connected with the 3rd follower, the 4th follower respectively；
First electric capacity is connected with second follower；
Second electric capacity is connected with the 3rd follower；
3rd electric capacity is connected with the 4th follower.
4. the air pressure controller of the rail traffic vehicles according to any one of claims 1 to 3, it is characterised in that institute
State the ARM chips that ARM chips are model LPC2132.
5. the air pressure controller of the rail traffic vehicles according to any one of claims 1 to 3, it is characterised in that institute
It is the minimum control system with dsp chip as core to state and control circuit；
The minimum control system includes：The dsp chip, clock circuit, reset circuit, filter circuit, JTAG download circuits
And power management chip；
The dsp chip respectively with the clock circuit, the reset circuit, the filter circuit, the JTAG download circuits,
The power management chip connection.
6. the air pressure controller of rail traffic vehicles according to claim 5, it is characterised in that the dsp chip
It is the dsp chip of model TMS320LF2407.
7. the air pressure controller of the rail traffic vehicles according to any one of claims 1 to 3, it is characterised in that institute
Stating CAN interface circuit includes CAN isolation module and connected peripheral RC protection circuits.
8. the air pressure controller of rail traffic vehicles according to claim 7, it is characterised in that the CAN
Isolation module includes the isolating chip of model CTM1051.
9. the air pressure controller of the rail traffic vehicles according to any one of claims 1 to 3, it is characterised in that institute
State serial ports nucleus module of the RS232 interface circuits comprising model RSM232.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327890.8U CN206265049U (en) | 2016-12-06 | 2016-12-06 | A kind of air pressure controller of rail traffic vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327890.8U CN206265049U (en) | 2016-12-06 | 2016-12-06 | A kind of air pressure controller of rail traffic vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206265049U true CN206265049U (en) | 2017-06-20 |
Family
ID=59044507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621327890.8U Active CN206265049U (en) | 2016-12-06 | 2016-12-06 | A kind of air pressure controller of rail traffic vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206265049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115639821A (en) * | 2022-10-24 | 2023-01-24 | 山东新一代信息产业技术研究院有限公司 | A high-performance and low-cost wheeled robot chassis controller device |
-
2016
- 2016-12-06 CN CN201621327890.8U patent/CN206265049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115639821A (en) * | 2022-10-24 | 2023-01-24 | 山东新一代信息产业技术研究院有限公司 | A high-performance and low-cost wheeled robot chassis controller device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103199773B (en) | Servo drive system based on bussing technique | |
| CN106487279A (en) | High power density motor servo driver | |
| CN103490695A (en) | Controller applied to multiphase motor speed adjusting system | |
| CN104133795B (en) | Multi-channel high-speed synchronous sampling and quadrature modulation system | |
| CN206265049U (en) | A kind of air pressure controller of rail traffic vehicles | |
| CN102637453A (en) | Phase change memory including serial input/output interface | |
| CN201667011U (en) | Embedded multi-input multi-output data acquisition template | |
| CN102566444A (en) | Solar battery simulation device used in ground test application of micro satellite | |
| CN204231673U (en) | A kind of polymorphic radio network gateway for polymorphic wireless monitor network | |
| CN102523275A (en) | Internet of things access system based on FPGA and method thereof | |
| CN101968643A (en) | PC/104-Plus multifunctional data acquisition card | |
| CN208836160U (en) | Network-connected car information exchange equipment based on in-vehicle Ethernet | |
| CN102681463A (en) | Compact-type expanded input-output (IO) device | |
| CN202652246U (en) | Train communication gateway device based on VME bus | |
| CN213338390U (en) | Vehicle-mounted lighting intelligent control chip | |
| CN217591112U (en) | Novel edge service terminal | |
| CN207732832U (en) | A kind of field debugging system for SVG communication interfaces | |
| CN206657070U (en) | Transformer station's integrated test system based on ZYNQ platforms | |
| CN101344772A (en) | Analog quantity input card based on PLCcore-CF54 module | |
| CN108445800A (en) | A kind of number PCU power-supply systems | |
| CN209786872U (en) | transformer station power consumption parameter acquisition device based on multiple local area wireless communication technologies | |
| CN205003537U (en) | Train communication equipment | |
| CN204129471U (en) | Pure electric controller circuit board | |
| CN107729642A (en) | Signal source board design based on OMAPL138 core boards | |
| CN202918273U (en) | Analog quantity digitization isolation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |