CN110244620A - A kind of integrated digital distribution controller based on FPGA - Google Patents
A kind of integrated digital distribution controller based on FPGA Download PDFInfo
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- CN110244620A CN110244620A CN201910526726.1A CN201910526726A CN110244620A CN 110244620 A CN110244620 A CN 110244620A CN 201910526726 A CN201910526726 A CN 201910526726A CN 110244620 A CN110244620 A CN 110244620A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention discloses a kind of integrated digital distribution controller based on FPGA, comprising: serial ports receives sending module (1), data resolution module (2), serial data responder module (3), switch control module (4), switching value monitoring module (5), analogue collection module (6) and resets control module (7)；It is instructed by RS422 interface from the power supply and distribution of flight control assemblies, and carries out Instruction decoding and parsing in FPGA, execute corresponding power supply and distribution operation；Meanwhile the function that controller has state readback and monitors in real time；The present invention improves control system power supply and distribution integration degree, reduces system electromagnetic interference, and weight, volume and cost is effectively reduced.
Description
Technical field
The present invention relates to a kind of distribution controller, especially a kind of integrated digital distribution controller based on FPGA.
Background technique
Conventional electrical distribution device is generally composed using isolated electromagnetic relay, that is, use electromagnetic relay as each system,
Single machine matches electrical actuators, directly relay line Bao Duan is driven using hardware level controling signal, therefore it is required that power supply and distribution is set
It is standby to must not be too far away with electrical equipment distance, and due to a large amount of electromagnetic relay, equipment size, power and temperature rise, reliability
And testability, increasingly become the bottleneck problem of system for restricting small size, lighting, low-power consumption and high reliability request.
Integrated number distribution provides a kind of new power supply and distribution framework, and multichannel power distribution output can be highly integrated, is based on
Component grade, the solid switch combination implementation with the characteristics of " Digital Control concentrates heat dissipation and institute stateful to monitor "
Cable usage quantity can be effectively saved, volume is greatly reduced, reduces weight, effectively control cost, and there is preferable environment
Adaptability.Using the integrated digital distribution controller of FPGA can be further improved the stability of power supply and distribution device work with can
By property, and FPGA parallel characteristics can be utilized, monitor the states such as switching value, analog quantity comprehensively.
Summary of the invention
It is an object of that present invention to provide a kind of integrated digital distribution controller based on FPGA, solution power supply and distribution device control
The problem of signal processed is more, volume weight is big and poor reliability.
A kind of integrated digital distribution controller based on FPGA, comprising: serial ports receives sending module, data parse mould
Block, serial data responder module, switch control module, switching value monitoring module, analogue collection module and reset control module.
Serial ports receives sending module and is connected with data resolution module, data resolution module and switch control module and serial ports number
It is connected according to responder module, switching value monitoring module and analogue collection module are connected with serial data responder module, serial data
Responder module receives sending module with serial ports and is connected, and resets control module and is connected with other each modules.
The function of serial ports reception sending module: it is communicated using passive response formula, is produced after receiving flight control assemblies order
Raw corresponding movement, and the Protocol answers specified according to user, complete communication.
Data resolution module function: according to the communication protocol with flight control assemblies, sending module is received to serial ports and is received
To command packet parsed and verified；Have multiple types of data dissection process ability, and is formed accordingly according to order
Control signal, inform serial data responder module and switch output control module.
Serial data responder module function: the order of flight control assemblies is passively responded, according to application layer communication
Protocol packing replys data, and replys data to flight control assemblies by the way that serial ports reception sending module is byte-by-byte.
Switch control module function: according to the control signal according to data resolution module, corresponding solid-state relay is driven to open
The conducting and shutdown of pass；In addition, switch control module can also be according to external emergent control signal, directly cutting solid-state relay
Switch, to improve security of system.
Switching value monitoring module function: monitoring solid-state relay switch state in real time, and switch amount input signal carries out
Effective filtering processing, can guarantee to obtain true, stable status input signal；Externally input power-off can be controlled and be believed
Number carry out validity check, when eligible, directly notice switch control module progress power operation；And outside can be locked have
Effect control signal, for application environment locating for recording equipment.
Analogue collection module function: periodically acquisition external voltage, current value orderly switches acquisition channel, and to adopting
Collection result is ranked up, and excludes minimax data, and carry out averaging operation to valid data, analog acquisition result is by posting
Storage is supplied to serial data responder module, for replying the order of flight control assemblies.
It resets control module function: completing to carry out reset operation to other modules after the power-up, especially to switch control
Module carries out reset control, it is ensured that there is no malfunctions for all switches, and after each module works normally, resetting control module will be blocked
It resets, it is ensured that other each modules are stable and reliable in work.
It resets control module to receive from external reset signal, and other each modules is resetted, make other each moulds
Block has specific original state.Controller takes passive response mode, receives sending module by serial ports and receives from flight
The order of control device, and application layer protocol is automatically parsed by data resolution module and carries out verification and is judged with frame format, according to
Command context, decodes out corresponding control signal, drives solid-state relay driver by switch control module, and then control solid
State relay being opened and turning off.Switching value monitoring module and analogue collection module are not influenced by serial ports control command, are supervised
Depending on executing with acquisition according to the fixed cycle, implementing result output uses register, uses for serial data responder module.Switching value
Monitoring be reasonably filtered, to ensure the reliable and stable of switch acquisition state；Analog acquisition is ranked up, goes
Except maximum number and minimum number, then average value processing, it is ensured that the accuracy of analog acquisition.Serial data responder module being capable of foundation
Command type automatically generates reply data, completes the communication with flight control assemblies.
Detailed description of the invention
A kind of integrated digital distribution controller composition schematic diagram based on FPGA of Fig. 1.
1. serial ports receives 2. data resolution module of sending module, 3. serial data responder module, 4. switch control mould
5. switching value monitoring module of block, 6. analogue collection module 7. resets control module
Specific embodiment
A kind of integrated digital distribution controller based on FPGA, comprising: serial ports receives sending module 1, data parse mould
Block 2, serial data responder module 3, switch control module 4, switching value monitoring module 5, analogue collection module 6 and reset control
Module 7.
Serial ports receives sending module 1 and is connected with data resolution module 2, data resolution module 2 and switch control module 4 and string
Mouth data answering module 3 is connected, and switching value monitoring module 5 and analogue collection module 6 are connected with serial data responder module 3,
Serial data responder module 3 receives sending module 1 with serial ports and is connected, and resets control module 7 and is connected with other each modules.
The function of serial ports reception sending module 1: it is communicated using passive response formula, is produced after receiving flight control assemblies order
Raw corresponding movement, and the Protocol answers specified according to user, complete communication.
2 function of data resolution module: according to the communication protocol with flight control assemblies, sending module 1 is received to serial ports and is connect
The command packet received is parsed and is verified；Have multiple types of data dissection process ability, and phase is formed according to order
The control signal answered informs serial data responder module 3 and switch output control module 4.
3 function of serial data responder module: the order of flight control assemblies is passively responded, according to application layer communication
Protocol packing replys data, and replys data to flight control assemblies by the way that serial ports reception sending module 1 is byte-by-byte.
4 function of switch control module: according to the control signal according to data resolution module 2, corresponding solid-state relay is driven
The conducting and shutdown of switch；In addition, switch control module 4 can also according to external emergent control signal, directly cutting solid-state after
Electric switch, to improve security of system.
5 function of switching value monitoring module: monitoring solid-state relay switch state in real time, and switch amount input signal carries out
Effective filtering processing, can guarantee to obtain true, stable status input signal；Externally input power-off can be controlled and be believed
Number carry out validity check, when eligible, directly notice switch control module 4 progress power operation；And outside can be locked
Effectively control signal, for application environment locating for recording equipment.
6 function of analogue collection module: periodically acquisition external voltage, current value orderly switches acquisition channel, and to adopting
Collection result is ranked up, and excludes minimax data, and carry out averaging operation to valid data, analog acquisition result is by posting
Storage is supplied to serial data responder module 3, for replying the order of flight control assemblies.
It resets 7 function of control module: completing to carry out reset operation to other modules after the power-up, especially to switch control
Module 4 carries out reset control, it is ensured that there is no malfunctions for all switches, and after each module works normally, resetting control module 7 will be sealed
Lock resets, it is ensured that other each modules are stable and reliable in work.
It resets control module 7 to receive from external reset signal, and other each modules is resetted, make other each moulds
Block has specific original state.Controller takes passive response mode, receives sending module 1 by serial ports and receives from flight
The order of control device, and application layer protocol is automatically parsed by data resolution module 2 and carries out verification and is judged with frame format, according to
Command context, decodes out corresponding control signal, drives solid-state relay driver by switch control module 4, and then control
Solid-state relay being opened and turning off.Switching value monitoring module 5 and analogue collection module 6 be not by the shadow of serial ports control command
It rings, monitoring is executed with acquisition according to the fixed cycle, and implementing result output uses register, is used for serial data responder module 3.
The monitoring of switching value is reasonably filtered, to ensure the reliable and stable of switch acquisition state；Analog acquisition carries out
Sequence removes maximum number and minimum number, then average value processing, it is ensured that the accuracy of analog acquisition.Serial data responder module 3
Reply data can be automatically generated according to command type, complete the communication with flight control assemblies.
Claims (8)
1. a kind of integrated digital distribution controller based on FPGA, characterized by comprising: serial ports reception sending module (1),
Data resolution module (2), serial data responder module (3), switch control module (4), switching value monitoring module (5), analog quantity
Acquisition module (6) and reset control module (7)；
Serial ports receives sending module (1) and is connected with data resolution module (2), data resolution module (2) and switch control module (4)
It is connected with serial data responder module (3), switching value monitoring module (5) and analogue collection module (6) and serial data response
Module (3) is connected, and serial data responder module (3) receives sending module (1) with serial ports and is connected, and resets control module (7) and its
Its each module is connected；
It resets control module (7) to receive from external reset signal, and other each modules is resetted, make other each modules
Has specific original state；Controller takes passive response mode, receives sending module (1) by serial ports and receives from flight
The order of control device, and application layer protocol is automatically parsed by data resolution module (2) and carries out verification and is judged with frame format, root
According to command context, corresponding control signal is decoded out, drives solid-state relay driver by switch control module (4), in turn
Control solid-state relay being opened and turning off；Switching value monitoring module (5) and analogue collection module (6) are not controlled life by serial ports
The influence of order, monitoring are executed with acquisition according to the fixed cycle, and implementing result output uses register, for serial data responder module
(3) it uses；The monitoring of switching value is reasonably filtered, to ensure the reliable and stable of switch acquisition state；Analog quantity
Acquisition is ranked up, removes maximum number and minimum number, then average value processing, it is ensured that the accuracy of analog acquisition；Serial data
Responder module (3) can automatically generate reply data according to command type, complete the communication with flight control assemblies.
2. a kind of integrated digital distribution controller based on FPGA according to claim 1, it is characterised in that the string
Mouth receives the function of sending module (1): being communicated using passive response formula, is generated accordingly after receiving flight control assemblies order
Communication is completed in movement, and the Protocol answers specified according to user.
3. a kind of integrated digital distribution controller based on FPGA according to claim 1, it is characterised in that the number
According to the function of parsing module (2): according to the communication protocol with flight control assemblies, receiving sending module (1) to serial ports and receive
Command packet parsed and verified；Have multiple types of data dissection process ability, and is formed accordingly according to order
Signal is controlled, informs serial data responder module (3) and switch output control module (4).
4. a kind of integrated digital distribution controller based on FPGA according to claim 1, it is characterised in that the string
The function of mouth data answering module (3): the order of flight control assemblies is passively responded, is beaten according to application layer communication protocol
Packet replys data, and replys data to flight control assemblies by the way that serial ports reception sending module (1) is byte-by-byte.
5. a kind of integrated digital distribution controller based on FPGA according to claim 1, it is characterised in that described to open
It closes the function of control module (4): according to the control signal according to data resolution module (2), driving corresponding solid-state relay switch
Conducting and shutdown；In addition, switch control module (4) can also be according to external emergent control signal, directly cutting solid-state relay
Device switch, to improve security of system.
6. a kind of integrated digital distribution controller based on FPGA according to claim 1, it is characterised in that described to open
Measure the function of monitoring module (5) in pass: monitoring solid-state relay switch state in real time, and switch amount input signal carries out effectively
Filtering processing, can guarantee to obtain true, stable status input signal；Externally input power down control signal can be carried out
Validity check, when eligible, directly notice switch control module carries out power operation；And external effectively control can be locked
Signal, for application environment locating for recording equipment.
7. a kind of integrated digital distribution controller based on FPGA according to claim 1, it is characterised in that the mould
The function of analog quantity acquisition module (6): periodically acquisition external voltage, current value orderly switches acquisition channel, and to collection result
It is ranked up, excludes minimax data, and averaging operation is carried out to valid data, analog acquisition result is mentioned by register
It supplies serial data responder module (3), for replying the order of flight control assemblies.
8. a kind of integrated digital distribution controller based on FPGA according to claim 1, it is characterised in that described multiple
The function of position control module (7): it completes to carry out reset operation to other modules after the power-up, especially to switch control module
(4) reset control is carried out, it is ensured that there is no malfunctions for all switches, and after each module works normally, resetting control module (7) will be sealed
Lock resets, it is ensured that other each modules are stable and reliable in work.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718052A (en) * | 2019-10-21 | 2020-01-21 | 上海米尺网络技术有限公司 | Wireless acquisition device and data acquisition method |
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