CN107544416A - A kind of control device of AuCT - Google Patents
A kind of control device of AuCT Download PDFInfo
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- CN107544416A CN107544416A CN201710884373.3A CN201710884373A CN107544416A CN 107544416 A CN107544416 A CN 107544416A CN 201710884373 A CN201710884373 A CN 201710884373A CN 107544416 A CN107544416 A CN 107544416A
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Abstract
The invention discloses a kind of control device of AuCT, including key control unit and multiple independent demand modules；The multiple demand module includes different types of functional circuit respectively, and the key control unit is integrated with the control logic of the AuCT of different topology type, and multiple demand modules are connected respectively to the key control unit.Each demand module is configured with a first interface unit of standard, and each demand module is connected by the first interface unit of itself with a second interface unit in corresponding module interface, key control unit has polytype module interface corresponding with the type of multiple demand modules respectively, and the second interface unit of at least one standard is included per generic module interface.The present invention can flexibly realize different convertor controls, to simple topological holding cost advantage, complicated topology keeps aboundresources, product standard unification, safeguards, manages conveniently by different demands block combiner.
Description
Technical field
The present invention relates to field of track traffic, more particularly to a kind of control device of AuCT.
Background technology
AuCT is the source of the train power supply in track traffic, and it is with multiple links such as inversion and decompression.It is auxiliary
Inverse controller is the core cell for controlling AuCT, is characterized in signal operation, filtering, analog-to-digital conversion, calculation
Method control, error protection, general purpose I/O (Input/Output, input and output) interface, Stateful Inspection, communication and display etc. are a variety of
Function, these functions are all maintained close ties with the scheme topology of AuCT.
For existing auxiliary inverse controller using structure is customized, whole auxiliary inverse controller is broken up into different boards, and is distributed
In the different controlling units of auxiliary inversion device, contact is established by communicating between each controlling unit.
Above-mentioned auxiliary inverse controller depends on the topological structure of AuCT, due to the topologies change of AuCT
It is various, need to develop auxiliary inverse controller again for the AuCT of different topology structure, so as to cause auxiliary Adverse control type
Number version is more, and maintenance workload is also big.
The content of the invention
The technical problem to be solved in the present invention is, becomes for the above-mentioned auxiliary for different topology structure of prior art
Stream device needs to develop auxiliary inverse controller defect again, there is provided a kind of control device of AuCT.
The technical solution adopted for the present invention to solve the technical problems is：A kind of control device of AuCT is constructed,
Including key control unit and multiple independent demand modules；The key control unit have respectively with the multiple demand
Polytype module interface corresponding to the type of module, the multiple demand module include polytype function electricity respectively
Road, the key control unit are integrated with the control logic of the AuCT of a variety of topological classifications, and the multiple demand mould
Block is connected respectively in the corresponding module interface of the key control unit.
In the control device of AuCT of the present invention, each demand module is configured with one of standard
First interface unit, module interface described in per class include the second interface unit of at least one standard, and each demand mould
Block is connected by the first interface unit with a second interface unit in the corresponding module interface
In the control device of AuCT of the present invention, the first interface unit is arranged on the demand mould
The bottom of block and there is a fixed ear, institute respectively including one group of the first terminal, the left and right sides at the top of the demand module
Stating device includes a troffer, and the key control unit is plate-like and is installed on the bottom of the troffer；It is multiple
Length direction arrangement of the second interface unit along the key control unit, and the second interface unit includes one group the
Two-terminal；The demand module passes through the fixation by one group of the first terminal and one group of Second terminal grafting
Ear is fixed with the troffer.
In the control device of AuCT of the present invention, the key control unit includes：Master controller, show
Field programmable logic gate array FPGA, process circuit and the module interface；
The demand module includes：Power module, acquisition module, storage and/or display module, drive module, general purpose I/O
Module and communication module.
In the control device of AuCT of the present invention, the communication module includes MVB
MVB communication modules, the communication module also include one of following operational blocks which partition system or combination：Ethernet communication module, CAN communication
Module, RS232 communication modules, RS485 communication modules；
The module interface includes：The power module interface corresponding with the power module, it is corresponding with the acquisition module
Acquisition module interface, with it is described storage and/or display module it is corresponding storage and/or display module interface, with the driving
Module, the general I/O module, integration module interface corresponding to MVB communication modules, lead to the ethernet communication module, CAN
Interrogate module, RS232 communication modules, RS485 communication modules with and combinations thereof corresponding to communication module interface.
In the control device of AuCT of the present invention, the process circuit includes：It is auxiliary power circuit, auxiliary
Help functional circuit, analog sampling and fault secure circuit, Ethernet communication circuit, numerical selector；
The power module interface is connected with the auxiliary power circuit, the acquisition module interface and the analog sampling
And fault secure circuit connection, it is described storage and/or display module interface be connected with the FPGA, the integration module interface and
FPGA and the numerical selector connection, the communication module interface are connected by ethernet line and the Ethernet communication circuit
Connect, and be connected by CAN, RS232, RS485 bus with master controller, the Ethernet communication circuit and the master controller
Connected by MII interfaces；
The auxiliary power circuit, auxiliary functional circuit, power module interface pass through spi bus and the master controller
Same SPI interface connection, the analog sampling and fault secure circuit, FPGA pass through spi bus and the main control
The same SPI interface connection of device, the integration module interface, FPGA pass through the same of spi bus and the master controller
The connection of individual SPI interface, the auxiliary functional circuit, analog sampling and fault secure circuit, FPGA excessively by parallel bus with
The same parallel bus interface connection of the master controller, the FPGA are total by I2C buses and the I2C of the master controller
Line interface connects, and FPGA and the analog sampling and fault secure circuit also distinguish the I/O interface directly with the master controller
Connection, the analog sampling and fault secure circuit are also connected with the FPGA.
In the control device of AuCT of the present invention, the analog sampling and fault secure circuit include：
Filter circuit, parallel A/D converter, hardware fault comparator, serial D/A converter,
Wherein, the filter circuit can access 40 tunnel sampled signals and the sampled signal is filtered, the filtering
The 40 tunnels output of circuit connects the input of the hardware fault comparator, and 40 tunnels output Zhong 16 tunnels of the filter circuit
The input of the parallel A/D converter is connected, the a/d converter inside remaining 32 tunnel connection master controller；The parallel AD conversion
The output of device is connected by parallel bus with the master controller, and the input of the serial D/A converter is via spi bus and institute
Master controller connection is stated, the output of the serial D/A converter connects the reference edge of the hardware fault comparator, the hardware
The output end of failure comparator is connected with the FPGA, for by the value in the default reference value section of master controller and sampled signal
It is compared, and fault-signal is exported to the FPGA when the value of the sampled signal is fallen into outside the reference value section.
In the control device of AuCT of the present invention, the auxiliary functional circuit includes：Real-time clock, temperature
Spend sensor, serial data memory, expand memory, string turn and driver, status display circuit parallel；When described real-time
Clock, temperature sensor, serial data memory, string turn and driver is connected by spi bus with the master controller, the shape
State display circuit turns with the string and driver is connected, and the parallel memory of expanding passes through parallel bus and the master controller
Connection.
In the control device of AuCT of the present invention, the auxiliary power circuit turns 12V electricity including 24V
Source, 5V power supplys, 3.3V power supplys, 1.2V power-switching circuits, rechargeable battery, management circuit, management circuit include power supply hardware
The on-line checking circuit of reset circuit, battery charger and serial A/D converter composition.
In the control device of AuCT of the present invention, all second interfaces in the power module interface
2 interfaces, 2 interfaces inputted for ± 12V, 12 interfaces exported for 24V, 12 for 24V inputs of unit offer
Individual interface, 12 interfaces for being used for 5V outputs for ± 12V outputs；
All second interface units in the acquisition module interface, which provide 40 analog quantity Sampling Interfaces and function, to match somebody with somebody
40 I/O interfaces put, the reference value that the sampled signal triggering alarm of each sampling channel is corresponding are set by master controller；
All second interface units of the integration module interface provide 200 functions configurable digital I/O interface and 24
Individual analog input interface, digital I/O interface can be configured to by FPGA PWM drive signal interface, error protection signaling interface,
Generic logic I/O interface or parallel bus interface；
The communication module interface include 3 be used for access CAN second interface unit, 1 be used for access RS232
The second interface unit of bus, 1 second interface unit for being used to access RS485 buses and 1 are used for the of access network based on ethernet
Two interface units.
Implement the control device of the AuCT of the present invention, have the advantages that：The different topology class of the present invention
The control function of the AuCT of type is integrated in a key control unit, and other different types of functions are with independent need
The form of modulus block, user according to demand, can select the species of demand module and the quantity of each species, connect
Into module interface corresponding to key control unit, by different demands block combiner, different conversion can be flexibly realized
Device is controlled, and cost advantage is kept to simple topology, and complicated topology keeps aboundresources, product standard unification, safeguarded, pipe
Reason is convenient.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings：
Fig. 1 is the structured flowchart of the control device of AuCT of the present invention；
Fig. 2 is the structural representation of key control unit；
Fig. 3 is the structural representation of analog sampling and fault secure circuit；
Fig. 4 is the structural representation of auxiliary functional circuit；
Fig. 5 is the exploded view of the control device of AuCT of the present invention.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the exemplary embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is made to the disclosure more thorough and comprehensive.
It should be noted that " connected " or " connection ", not only include two entities being joined directly together, also include logical
Cross and be indirectly connected with other entities beneficial to improvement.When element is referred to as " being fixed on " another element, it can be straight
It is connected on another element or there may also be element placed in the middle.When an element is considered as " connection " another element,
It can be directly to another element or may be simultaneously present centering elements.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
The term comprising ordinal number such as " first " that is used in this specification, " second " can be used for illustrating various inscapes,
But these inscapes are not limited by these terms.It is only that using the purpose of these terms and distinguishes an inscape
In other inscapes.For example, on the premise of the interest field of the present invention is not departed from, the first inscape can be named as the
Two inscapes, similarly, the second inscape can also be named as the first inscape.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application
The detailed description of technical scheme, rather than the restriction to technical scheme, in the case where not conflicting, the present invention is implemented
Technical characteristic in example and embodiment can be mutually combined.
With reference to figure 1, the control device of AuCT of the invention includes key control unit and multiple independent need
Modulus block.The key control unit connects with polytype module corresponding with the type of the multiple demand module respectively
Mouthful, the multiple demand module includes polytype functional circuit respectively, and the key control unit is integrated with a variety of topologys
The control logic of the AuCT of type, and the multiple demand module is connected respectively to the correspondence of the key control unit
The module interface in.
Specifically, each demand module is configured with a first interface unit of standard, include per generic module interface
The second interface unit of at least one standard, and each demand module by the first interface unit with it is corresponding described
Second interface unit connection in module interface.User according to demand, can select the species of demand module and every
The quantity of individual species, it is plugged into corresponding module interface.
Lower mask body introduces key control unit and each demand module.
In preferred embodiment, demand module is according to Type division, including following 7 type demand module：Power module, adopt
Collect module, storage and/or display module, drive module, general purpose I/O (Input Output, input and output) module and communication mould
Block.
Wherein, the power module includes 24V filter circuits, 24V turns 5V circuits, 24V turns ± 12.2V circuits, input is soft
Start anti-circnit NOT, input and output under-voltage/over-voltage protection circuit, voltage x current sample circuit.
Wherein, the acquisition module can match somebody with somebody including secondary network detection circuit, temperature sensing circuit, sampling resistor, gain
The filtering process circuit put.
Wherein, the storage and/or display module include the SD card of a 4G capacity, management circuit, latch cicuit and 10
Individual LED state lamp.
Wherein, the drive module includes the Electric drive module with analog quantity sampling and the optical fiber without analog quantity sampling
Drive module.
Wherein, general I/O module includes 8 numeral inputs of 110V standards and 8 digital output modules and 24V standards 8
Numeral input and 8 digital output module two types.
Wherein, the communication module is logical including MVB (Multifunction Vehicle Bus, MVB)
Module is interrogated, the communication module also includes one of following operational blocks which partition system or combination：Ethernet communication module, CAN
(Controller Area Network, controller local area network) communication module, RS232 communication modules, RS485 communication modules.
Because the use occasion of CAN communication is relatively more, so typically CAN module and other communication modules are combined as one
Demand module, such as CAN+ Ethernets, CAN+RS232, CAN+RS485.
The class demand module of the above 7 corresponds to 5 generic module interfaces in the key control unit：Power module interface, collection
Module interface, storage and/or display module interface, integration module interface, communication module interface.
Specifically, the power module interface that power module is corresponding, acquisition module interface, described corresponding to the acquisition module
Storage and/or display module interface, the drive module, the general I/O module, MVB corresponding to storage and/or display module
Integration module interface corresponding to communication module, the ethernet communication module, CAN communication module, RS232 communication modules, RS485
Communication module with and combinations thereof corresponding to communication module interface.
Wherein, all second interface units in the power module interface provide 2 be used for the interfaces of 24V inputs, 2
For ± 12V input interface, 12 be used for 24V output interfaces, 12 be used for ± 12V output interfaces, 12 be used for 5V
The interface of output.
All second interface units in the acquisition module interface provide 40 analog quantity for carrying hardware protection samplings
40 I/O interfaces that interface and function can configure, the reference value that the sampled signal triggering alarm of each sampling channel is corresponding pass through
Master controller is set；
All second interface units of the integration module interface provide 200 functions configurable digital I/O interface and 24
Individual analog input interface, digital I/O interface can (Field-Programmable Gate Array, scene can compile by FPGA
Journey logic gate array) it is configured to PWM drive signal interface, error protection signaling interface, generic logic I/O interface or parallel bus
Interface；
The communication module interface include 3 be used for access CAN second interface unit, 1 be used for access RS232
The second interface unit of bus, 1 second interface unit for being used to access RS485 buses and 1 are used for the of access network based on ethernet
Two interface units.
With reference to figure 2, in preferred embodiment, the key control unit specifically includes：Master controller, FPGA, process circuit
And the module interface of 5 types described above.Wherein, the process circuit includes：Auxiliary power circuit, miscellaneous function electricity
Road, analog sampling and fault secure circuit, Ethernet communication circuit, numerical selector.
Specifically, the power module interface is connected with the auxiliary power circuit, (connection not illustrated specially can be
Cabling connection based on electric wire connection or PCB (Printed Circuit Board, printed circuit board)), the collection mould
Block interface is connected with the analog sampling and fault secure circuit, and the storage and/or display module interface pass through SD card
(Secure Digital Memory Card, safe digital card) data wire is connected with the FPGA to transmit data storage, institute
State storage and/or display module interface is connected to transmit LED (Light Emitting also by PCB trace with the FPGA
Diode, light emitting diode) display signal, the integration module interface is connected with the FPGA and numerical selector, described logical
News module interface is connected by ethernet line with the Ethernet communication circuit, and by CAN, RS232, RS485 bus and
Master controller connects, and the Ethernet communication circuit passes through MII interfaces (Media Independent with master controller
Interface, also referred to as Media Independent Interface, GMII) connection；
The auxiliary power circuit, auxiliary functional circuit, power module interface pass through SPI (Serial Peripheral
Interface, Serial Peripheral Interface (SPI)) the same SPI interface of bus and master controller connects, and the analog sampling and failure are protected
Protection circuit, FPGA are connected by the same SPI interface of spi bus and master controller, and the integration module interface, FPGA are equal
Connected by the same SPI interface of spi bus and master controller, the auxiliary functional circuit, analog sampling and error protection
Circuit, FPGA are connected by the same parallel bus interface of parallel bus and master controller excessively, and the FPGA is total by I2C
The I2C EBIs of line and master controller connect, and the FPGA and the analog sampling and fault secure circuit are also straight respectively
Connect and be connected with the I/O interface of master controller, the analog sampling and fault secure circuit are also connected with FPGA.
With reference to Fig. 2, with reference to figure 3, the analog sampling and fault secure circuit include：Filter circuit, parallel AD (Analog
Digital, simulation numeral) converter, hardware fault comparator, serial D A (Digital Analog, digital simulation) converter,
Wherein, the filter circuit can access 40 tunnel sampled signals and the sampled signal be filtered, and 40 tunnels of filter circuit are defeated
Go out the input for connecting the hardware fault comparator, and the 40 tunnels output Zhong 16 tunnels connection parallel AD of filter circuit turns
The input of parallel operation, remaining 32 tunnel connect the a/d converter inside master controller；The output of the parallel A/D converter passes through parallel
Bus is connected with the master controller, and the input of the serial D/A converter is connected via spi bus with the master controller, institute
The output for stating serial D/A converter connects the reference edge of the hardware fault comparator, the output end of the hardware fault comparator
It is connected with the FPGA, for the default reference value section of master controller compared with the value of sampled signal, and to be sampled
Fault-signal is exported when the value of signal is fallen into outside the reference value section to the FPGA.
Such as Fig. 3, filter circuit collection is for up to the analog quantity (i.e. sampled signal) on 40 tunnels, and remaining 24 use MCU
The 12 bit A/D converters collection that (Microcontroller Unit, micro-control unit) carries.And serial D/A converter and hardware
Compared with failure comparison circuit is used for 40 tunnel analog quantitys (i.e. sampled signal) the reference value section corresponding with triggering alarm,
Output fault indication signal is conveyed to FPGA.
With reference to Fig. 2, with reference to figure 4, the auxiliary functional circuit includes：Real-time clock, temperature sensor, serial data storage
Device, memory, string turn and driver, status display circuit are expanded parallel；The real-time clock, temperature sensor, serial data
Memory, string turn and driver is connected by spi bus with the master controller, and the status display circuit turns simultaneously with the string
Driver is connected, and the parallel memory of expanding is connected by parallel bus with the master controller.
Wherein, real-time clock is uploaded to microcontroller by universal serial bus, for realize time and necessary fault message, with
Synchronizing information of higher level's car control equipment and other equipment etc..Temperature sensor is arranged on the hotter printed board of key control unit
On, for gathering the temperature near printed board, realize the instruction under abnormality and defencive function.Serial data memory includes
EEPROM (Electrically Erasable Programmable Read and-Write Memory, electrically erasable on plate
Programmable read-write memory) memory.Status display circuit is made up of 13 LED, by string turn and driver, universal serial bus with
Core processor is connected, and can be achieved to indicate control device typical operation and expansion module state.
Preferably, the auxiliary power circuit turns 12V power supplys, 5V power supplys, 3.3V power supplys, 1.2V Power converts including 24V
Circuit, rechargeable battery, management circuit, management circuit turn comprising power supply hardware reset circuit, battery charger and serial AD
The on-line checking circuit of parallel operation composition.Rechargeable battery is used to power for real-time clock and memory.
Because the present invention devises a kind of centralized control type core architecture, this control framework using master controller and FPGA as
Core, and comprising abundant interface, management and protection resource, there is complete control and defencive function and flexibly configurable and expansion
The core architecture of exhibition, the security risk that order circuit in traditional scheme is brought is avoided, improves control performance and Global Macros
Ability.
In order to improve the compactedness of whole device, the flexible installation of demand module is realized, as shown in figure 5, specifically, first
Interface unit 31 is arranged on the bottom of the demand module and including one group of the first terminal, the left and right at the top of the demand module
Both sides have a fixed ear respectively, and described device includes the U-shaped troffer 10 in a cross section, and troffer 10 includes
Two side plates of bottom plate and left and right, the key control unit 20 is plate-like and is installed on the bottom plate of the troffer bottom,
Length direction arrangement of multiple second interface units 21 along the key control unit, the second interface unit 21 include one group
Second terminal.
During installation requirements module, by one group of the first terminal module interface corresponding with demand module of demand module bottom
Any one group of Second terminal grafting, and pass through fixed at the top of two side plates of the fixed ear and the troffer.Use
Person according to demand, can select the species of demand module and the quantity of each species, be plugged into corresponding module interface
In, for example, because the single demand module of acquisition module type only has 8 road analog acquisition functions, so if desired
40 road analog acquisitions, then need to select the demand module of 5 acquisition module types.30a, 30b, 30c are 3 species in Fig. 5
Demand module, it can be seen that 30a, 30b, 30c quantity are respectively 3,3,1.It is this to select demand mould according to demand
The mode of the type and quantity of block assembles to obtain the mode of the AuCT applied to some specific topological structure, simple side
Just, it is easy to maintain.
Preferably, can be in the first terminal, second in order to prevent from demand module being inserted into the module interface of non-corresponding
Error-proof structure is set on terminal.
In summary, implement the control device of the AuCT of the present invention, have the advantages that：The present invention is not
The control function of the AuCT of homeomorphism type is integrated in a key control unit, other different types of functions with
The form of independent demand module, by different demands block combiner, different convertor controls can be flexibly realized, to simple
Topology keeps cost advantage, and complicated topology keeps aboundresources, and product standard unification, maintenance, management are convenient.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. a kind of control device of AuCT, it is characterised in that including key control unit and multiple independent demands
Module；The key control unit connects with polytype module corresponding with the type of the multiple demand module respectively
Mouthful, the multiple demand module includes polytype functional circuit respectively, and the key control unit is integrated with a variety of topologys
The control logic of the AuCT of type, and the multiple demand module is connected respectively to corresponding to the key control unit
In the module interface.
2. the control device of AuCT according to claim 1, it is characterised in that each demand module configuration
There is a first interface unit of standard, module interface described in per class includes the second interface unit of at least one standard, and often
The one demand module is connected by the first interface unit with a second interface unit in the corresponding module interface
Connect.
3. the control device of AuCT according to claim 2, it is characterised in that the first interface unit is set
Have one respectively in the bottom of the demand module and including one group of the first terminal, the left and right sides at the top of the demand module
Individual fixed ear, described device include a troffer, and the key control unit is plate-like and is installed on the troffer
Bottom；Length direction arrangement of multiple second interface units along the key control unit, and the second interface list
Member includes one group of Second terminal；The demand module by one group of the first terminal and one group of Second terminal grafting, and
Fixed by the fixed ear and the troffer.
4. the control device of AuCT according to claim 1, it is characterised in that
The key control unit includes：Master controller, field programmable gate array FPGA, process circuit and the mould
Block interface；
The demand module includes：Power module, acquisition module, storage and/or display module, drive module, general I/O module
And communication module.
5. the control device of AuCT according to claim 4, it is characterised in that
The communication module includes double-unit traction controller communication module, and the communication module also includes following operational blocks which partition system
One of or combination：Ethernet communication module, controller local area network's CAN communication module, RS232 communication modules, RS485 communications
Module；
The module interface includes：The power module interface corresponding with the power module, it is corresponding with the acquisition module to adopt
Collect module interface, storage corresponding with the storage and/or display module module and/or display module interface, with the driving
Module, the general I/O module, integration module interface corresponding to MVB communication modules, lead to the ethernet communication module, CAN
Interrogate module, RS232 communication modules, RS485 communication modules with and combinations thereof corresponding to communication module interface.
6. the control device of AuCT according to claim 5, it is characterised in that the process circuit includes：It is auxiliary
Help power circuit, auxiliary functional circuit, analog sampling and fault secure circuit, Ethernet communication circuit, numerical selector；
The power module interface is connected with the auxiliary power circuit, the acquisition module interface and the analog sampling and event
Hinder protection circuit connection, it is described storage and/or display module interface be connected with the FPGA, the integration module interface with it is described
FPGA and numerical selector connection；
The communication module interface is connected by ethernet line with the Ethernet communication circuit, and by CAN, RS232,
RS485 buses are connected with master controller；
The Ethernet communication circuit is connected with the master controller by GMII MII interfaces；
The auxiliary power circuit, auxiliary functional circuit, power module interface by serial peripheral equipment interface SPI bus with it is described
The same SPI interface connection of master controller, the analog sampling and fault secure circuit, FPGA pass through spi bus and institute
The same SPI interface connection of master controller is stated, the integration module interface, FPGA pass through spi bus and the main control
The same SPI interface connection of device, the auxiliary functional circuit, analog sampling and fault secure circuit, FPGA are excessively by simultaneously
Row bus are connected with the same parallel bus interface of the master controller, and the FPGA passes through I2C buses and the main control
Device I2C EBIs connection, the FPGA and the analog sampling and fault secure circuit also respectively directly with the master
The I/O interface connection of controller, the analog sampling and fault secure circuit are also connected with the FPGA.
7. the control device of AuCT according to claim 6, it is characterised in that the analog sampling and failure are protected
Protection circuit includes：Filter circuit, parallel A/D converter, hardware fault comparator, serial D/A converter,
Wherein, the filter circuit can access 40 tunnel sampled signals and the sampled signal is filtered, the filter circuit
The output of 40 tunnels connect the input of the hardware fault comparator, and the 40 tunnels output Zhong 16 tunnels connection of the filter circuit
The input of the parallel A/D converter, remaining 32 tunnel connect the a/d converter inside master controller；The parallel A/D converter
Output is connected by parallel bus with the master controller, and the input of the serial D/A converter is via spi bus and the master
Controller connects, and the output of the serial D/A converter connects the reference edge of the hardware fault comparator, the hardware fault
The output end of comparator is connected with the FPGA, for the value in the default reference value section of master controller and sampled signal to be carried out
Compare, and fault-signal is exported to the FPGA when the value of the sampled signal is fallen into outside the reference value section.
8. the control device of AuCT according to claim 6, it is characterised in that the auxiliary functional circuit bag
Include：Real-time clock, temperature sensor, parallel serial data memory, expansion memory, string turn and driver, status display electricity
Road；The real-time clock, temperature sensor, serial data memory, string turn and driver passes through spi bus and the main control
Device connects, and the status display circuit turns with the string and driver is connected, and the parallel memory of expanding passes through parallel bus
It is connected with the master controller.
9. the control device of AuCT according to claim 6, it is characterised in that the auxiliary power circuit includes
24V turns 12V power supplys, 5V power supplys, 3.3V power supplys, 1.2V power-switching circuits, rechargeable battery, management circuit, manages circuit bag
The on-line checking circuit of hardware reset circuit containing power supply, battery charger and serial A/D converter composition.
10. the control device of AuCT according to claim 5, it is characterised in that
All second interface units in the power module interface provide 2 be used for the interfaces of 24V inputs, 2 be used for ± 12V
The interface of input, 12 be used for 24V output interfaces, 12 be used for ± 12V output interfaces, 12 be used for 5V output connecing
Mouthful；
What all second interface units 40 analog quantity Sampling Interfaces of offer and function in the acquisition module interface can configure
40 I/O interfaces, the reference value that the sampled signal triggering alarm of each sampling channel is corresponding are set by master controller；
All second interface units of the integration module interface provide the configurable digital I/O interface of 200 functions and 24 moulds
Analog quantity input interface, digital I/O interface can be configured to PWM drive signal interface, error protection signaling interface, general by FPGA
Logic I/O interface or parallel bus interface；
The communication module interface include 3 be used for access CAN second interface unit, 1 be used for access RS232 buses
Second interface unit, 1 second interface unit for being used to access RS485 buses and 1 be used for second connecing for access network based on ethernet
Mouth unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884373.3A CN107544416A (en) | 2017-09-26 | 2017-09-26 | A kind of control device of AuCT |
Applications Claiming Priority (1)
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