CN109283915A - A kind of intelligent pneumatic power system with self-diagnostic function - Google Patents
A kind of intelligent pneumatic power system with self-diagnostic function Download PDFInfo
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- CN109283915A CN109283915A CN201811163214.5A CN201811163214A CN109283915A CN 109283915 A CN109283915 A CN 109283915A CN 201811163214 A CN201811163214 A CN 201811163214A CN 109283915 A CN109283915 A CN 109283915A
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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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
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- Testing And Monitoring For Control Systems (AREA)
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Abstract
The present invention is intended to provide a kind of have the strong intelligent pneumatic power system with self-diagnostic function of self diagnosis, self- recoverage characteristic, compatible various communications protocols, the system expandability.Present system includes complete closed loop pneumatic system, contain pneumatic control, execution and detection components etc., especially in control assembly, the real-time acquisition of aerodynamic data, real-time monitoring, on-line analysis module, and intellectual analysis and processing can be carried out to detection data in system operation, then feedback and diagnostic result are provided in real time, the submodule that the intelligence system can integrate as automated system, can also be with independent operating, and running real time data can carry out efficient analysis processing in this inside modules.The present invention is applied to automation equipment field.
Description
Technical field
The present invention relates to automation control area, in particular to a kind of intelligent pneumatic power system with self-diagnostic function.
Background technique
It needs largely to use pneumatic source in automatic production line, as driving executive component, and in automation equipment or producing line
Atmospheric control be a big important component.But in traditional automation equipment, pneumatic control, execution, detection
All kinds of components are mutually indepedent, and are integrated in slave computer overall control center (PLC or control panel) jointly.Each class component and PLC or control
Making sheet carries out drive control and data communication respectively, and all movements, coordinate and signal in place are all in PLC or control panel
Independent variable is tracked.Traditional, pneumatic control mode is lower to the processing capacity of data, needs to be directly connected to PLC or control
Plate, and carried out in turn-key system by the I/O module of PLC, action control and detection data processing, and handle data mode
Compare and limited by turn-key system processing capacity, the big multiprocessing of PLC simple data-signal, switching signal a bit, if necessary into
The data analysis of the further depth of row, or be related to complicated calculating or analytic function, then need turn-key system to upload data
It is carried out to the end PC host computer, and can be carried out simple statistics alanysis in PC host computer mostly, more complicated data processing needs
Offline specific purpose tool.Therefore, on the whole, real-time is poor, data-handling capacity is not strong.
Traditional pneumatic system is only able to satisfy automation control requirement, and to equipment fault or more complex operating condition, it is only capable of
Passively receive control instruction.And when being integrated in automation equipment, system complexity further increases, and is generally only capable of whole by equipment
The phenomenon that body breaks down does category filter and investigation just final locating pneumatic system problem, and specific for pneumatic system
Basic reason then needs the mode of further experiment replacement components finally to determine fault rootstock.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide one kind to have self diagnosis, from extensive
The strong intelligent pneumatic power system with self-diagnostic function of multiple characteristic, compatible various communications protocols, the system expandability.
Technical solution used by system of the present invention is: the present invention includes gas circuit, pressure control and detection components, true
Sky control and detection components and pneumatic apparatus, the pressure control and detection components and the vacuum control and detection group
Part is arranged in the gas circuit, and the end of the gas circuit is arranged in the pneumatic apparatus, and the pneumatic system further includes control
Center processed, IO mould group or bus, data processing centre and data storage center, it is the pressure control and detection components, described true
Sky control passes through the IO mould group or bus and control centre's telecommunications with detection components and the pneumatic apparatus
Number connection, the control centre connect with the data processing centre and the data storage center, the Data processing
Two-way communication between the heart and the data storage center, the control centre acquire in real time pressure control and detection components,
The operation data of the vacuum control and detection components and the pneumatic apparatus, the control centre is by the data of acquisition
It is uploaded to the data processing centre and is handled and be sent to the data storage center progress data storage, detect each item number
It according to the presence or absence of exception, is such as abnormal, the control centre feeds back to the terminal being abnormal.
Further, the control centre includes instant messaging protocol module, real time monitoring and analysis module, database
Module and output interface, the instant messaging protocol module are connect with IO mould group or bus communication, the real time monitoring and analysis
Module analyzes the data of acquisition, handles and feedback output, the output interface and the data processing centre and described
Data storage center connection.
Further, the IO mould group or bus are integrated with several communication protocol, which includes
But it is not limited to OPC, CAN bus, EtherCAT, Profibus, Modbus and/or Ethernet/IP.
Still further, the pressure control and detection components include but is not limited to pneumatic three be arranged in the gas circuit
Join part, pressure sensor, flow sensor, valve island switch, pressure stabilizing/pressure reducing valve and/or throttle valve；The vacuum control and detection
Component includes but is not limited to the vacuum generator, vacuum transducer and/or microflow sensor being arranged in the gas circuit；It is described
Pneumatic apparatus includes but is not limited to common cylinder, pen type cylinder, precise pneumatic slide unit and/or electric cylinders.
Again further, also extension has several control bus interfaces in the IO mould group or bus.
The beneficial effects of the present invention are: control centre of the present invention is the independent system of integrated various communications protocols
System, and the system has IO mould group bus, can be directly connected to each sensor terminal, various pneumatic signals are by control module
It can also be fed directly to execute terminal with upper layer data center to center communications after reason；The present invention is at low cost, occupies little space, locates
Reason ability is strong, real-time data acquisition and feedback with terminal can be realized by basic communication protocol, while board is using intelligent
System can carry out the data storage of high-order and analysis, powerful data-handling capacity make the system become small intelligent mould
Group.And the data analysis system based on intelligent platform, it can satisfy the state tracking of pneumatic class component, fault diagnosis, system is steady
Qualitative principal factor analysis (PFA) and relevance verification etc.；Present system has self-diagnostic function, and according to the failure of diagnosis original
Because making appropriate feedback, the simple faults such as abnormal for data jamming, system signal, the practicable automatic recovery of intelligent pneumatic power system
Function.Compared to traditional, pneumatic device, the intelligent pneumatic power system integration sensor abundant, the variable that can be perceived and detect are big
It is big to increase, it is meant that the system mode that can be monitored is also more comprehensively.Pressure, flow, vacuum, power and signal in place can be passed through
Etc. fluctuation, the interference of compound diagnosis pneumatic system, and diagnosis or prediction significant trouble, so, present system has autodiagnosis
Disconnected, self- recoverage characteristic, compatible various communications protocols, the system expandability are strong.
Detailed description of the invention
Fig. 1 is the simple schematic diagram of present system network connection；
Fig. 2 is that hardware of the invention connects simple schematic diagram；
Fig. 3 is the simple schematic diagram that the present invention is pneumatically connected.
Specific embodiment
As shown in Figure 1 to Figure 3, the present invention include gas circuit, pressure control with detection components, vacuum control and detection components with
And pneumatic apparatus, the pressure control are arranged with detection components and the vacuum control and detection components in the gas circuit
On, the end of the gas circuit is arranged in the pneumatic apparatus, and the pneumatic system further includes control centre, IO mould group or total
Line, data processing centre and data storage center, also extension has several control bus interfaces in the IO mould group or bus.It is described
Pressure control passes through the IO mould group with detection components, the vacuum control and detection components and the pneumatic apparatus
Or bus is connect with control centre's electric signal, the control centre stores with the data processing centre and the data
Center connection, two-way communication between the data processing centre and the data storage center, the control centre acquire in real time
The operation data of the pressure control and detection components, the vacuum control and detection components and the pneumatic apparatus,
The data of acquisition are uploaded to the data processing centre and are handled and be sent in data storage by the control centre
The heart carries out data storage, and detection all data is such as abnormal with the presence or absence of abnormal, and the control centre is to the end being abnormal
End feedback.The control centre includes instant messaging protocol module, real time monitoring and analysis module, database module and output
Interface, the instant messaging protocol module are connect with IO mould group or bus communication, and the real time monitoring and analysis module are to acquisition
Data analyzed, handled and feedback output, in the output interface and the data processing centre and data storage
Heart connection.The IO mould group or bus are integrated with several communication protocol, the several communication protocol include but be not limited to OPC,
CAN bus, EtherCAT, Profibus, Modbus and/or Ethernet/IP.Pressure control with detection components include but
It is not limited to the pneumatic triple piece being arranged in the gas circuit, pressure sensor, flow sensor, valve island switch, pressure stabilizing/pressure reducing valve
And/or throttle valve；The vacuum control and detection components include but is not limited to the vacuum generator being arranged in the gas circuit, true
Empty sensor and/or microflow sensor；The pneumatic apparatus includes but is not limited to common cylinder, pen type cylinder, precision
Pneumatic slid platform and/or electric cylinders.
The present invention is in control assembly, the real-time acquisition of control centre's aerodynamic data, real-time monitoring, on-line analysis module,
And intellectual analysis and processing can be carried out to detection data in system operation, feedback and diagnostic result are then provided in real time.
The submodule that the intelligence system can integrate as automated system, can also be with independent operating, and running real time data can be with
Efficient analysis processing is carried out in this inside modules.
In intelligence system of the present invention, the air pressure of pressure control valve control whole system and air-flow supply need lasting, steady
Fixed variable monitoring.Connection line is divided into three classes, pneumatic supply supply, detection signal collecting and controlling signal transmission.Three kinds of differences
Route is different to control parameter requirement, and pneumatic supply supply is since factory's stagnation pressure via the three linked piece of equipment entrance or pressure stabilizing
Valve flows into, which needs to keep stable pressure value, and can press outside added with interference or equipment consumption and remain entire when fluctuating
The stable gas pressure of automation equipment.
In addition, also extension has several control bus interfaces in the IO mould group or bus.The big feature of the design one is bus
On in addition to can other than carry pneumatically executes terminal, can also carry another or multiple independent pneumatic systems, by with other controls
Center carries out bus communication, can be extended in bigger intelligence system.
All pneumatic relevant signal concentrated collections of the present invention are to control centre, including air pressure, flow, vacuum pressure, position
The data such as confidence number and switching signal, collect and are arranged by control centre and be uploaded to storage center, or are directly output to locate
Reason center, by data processing and analysis after using result feed back to control centre as system control judgment basis, further by
Control centre sends instructions to pneumatic execution terminal.
The present invention has a self diagnosis, self- recoverage characteristic, the operation conditions of system by all kinds of pneumatic class sensors acquire to
Control centre, the Intelligent data analysis center in control centre monitor the dynamic change of multivariate data in real time again, when system occurs
Failure or when being likely to occur failure, intelligent analysis system can carry out self diagnosis.And partially by loss of data, signal disorder etc. is common
Failure caused by communication issue, intelligence system can carry out self- recoverage operation.The present invention is compatible with various communications protocols, system expandable
Property is strong, connects another control system by the bus of control centre, can easily extend entire intelligent platform.
The present invention is applied to automation control area.
Claims (5)
1. a kind of intelligent pneumatic power system with self-diagnostic function, including the control of gas circuit, pressure and detection components, vacuum control and inspection
Component and pneumatic apparatus are surveyed, the pressure control is arranged with detection components and the vacuum control and detection components in institute
It states in gas circuit, the end of the gas circuit is arranged in the pneumatic apparatus, it is characterised in that: the pneumatic system further includes control
Center processed, IO mould group or bus, data processing centre and data storage center, it is the pressure control and detection components, described true
Sky control passes through the IO mould group or bus and control centre's telecommunications with detection components and the pneumatic apparatus
Number connection, the control centre connect with the data processing centre and the data storage center, the Data processing
Two-way communication between the heart and the data storage center, the control centre acquire in real time pressure control and detection components,
The operation data of the vacuum control and detection components and the pneumatic apparatus, the control centre is by the data of acquisition
It is uploaded to the data processing centre and is handled and be sent to the data storage center progress data storage, detect each item number
It according to the presence or absence of exception, is such as abnormal, the control centre feeds back to the terminal being abnormal.
2. a kind of intelligent pneumatic power system with self-diagnostic function according to claim 1, it is characterised in that: in the control
The heart includes instant messaging protocol module, real time monitoring and analysis module, database module and output interface, the instant messaging
Protocol module is connect with IO mould group or bus communication, and the real time monitoring and analysis module are analyzed the data of acquisition, located
It manages and feedback output, the output interface is connect with the data processing centre and the data storage center.
3. a kind of intelligent pneumatic power system with self-diagnostic function according to claim 1, it is characterised in that: the IO mould group
Or bus is integrated with several communication protocol, the several communication protocol include but be not limited to OPC, CAN bus, EtherCAT,
Profibus, Modbus and/or Ethernet/IP.
4. a kind of intelligent pneumatic power system with self-diagnostic function according to claim 1, it is characterised in that: the pressure control
System and detection components include but is not limited to the pneumatic triple piece being arranged in the gas circuit, pressure sensor, flow sensor, valve
Island switch, pressure stabilizing/pressure reducing valve and/or throttle valve；The vacuum control and detection components include but is not limited to be arranged in the gas
Vacuum generator, vacuum transducer and/or the microflow sensor of road；The pneumatic apparatus is including but not limited to common
Cylinder, pen type cylinder, precise pneumatic slide unit and/or electric cylinders.
5. a kind of intelligent pneumatic power system with self-diagnostic function according to claim 3, it is characterised in that: the IO mould group
Or also extension has several control bus interfaces in bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811163214.5A CN109283915A (en) | 2018-09-30 | 2018-09-30 | A kind of intelligent pneumatic power system with self-diagnostic function |
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| CN201811163214.5A CN109283915A (en) | 2018-09-30 | 2018-09-30 | A kind of intelligent pneumatic power system with self-diagnostic function |
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| CN201811163214.5A Pending CN109283915A (en) | 2018-09-30 | 2018-09-30 | A kind of intelligent pneumatic power system with self-diagnostic function |
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Cited By (3)
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| CN110103577A (en) * | 2019-05-23 | 2019-08-09 | 珠海达明科技有限公司 | A kind of automatic valve closing mechanism and transfer apparatus |
| CN110672152A (en) * | 2019-09-29 | 2020-01-10 | 武汉科技大学 | Air source processing triple piece with network interface and air source normality judgment method |
| CN112145504A (en) * | 2020-08-31 | 2020-12-29 | 广州明珞装备股份有限公司 | Clamp detection method, system, equipment and storage medium |
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