CN205509909U - Automatic intelligent control ware that generates electricity of generating set - Google Patents
Automatic intelligent control ware that generates electricity of generating set Download PDFInfo
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- CN205509909U CN205509909U CN201620264977.9U CN201620264977U CN205509909U CN 205509909 U CN205509909 U CN 205509909U CN 201620264977 U CN201620264977 U CN 201620264977U CN 205509909 U CN205509909 U CN 205509909U
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Abstract
The utility model discloses an automatic intelligent control ware that generates electricity of generating set, its characterized in that: the intelligent control ware include main CPU module (1), assist CPU module (2), human -computer interaction module (3) with synthesize module (4), main CPU module (1) with assist CPU module (2) and use the plug -in to connect firmly respectively to install on synthesizing module (4), human -computer interaction module (3) but through plug -in flat cable line and comprehensive module (4) flexible coupling. The utility model discloses an intelligent control ware is connected through modularized design and plug -in and has been improved reliability of an item, and eight major function in an organic whole of unit has been realized to this intelligent control ware, and a generating set only need dispose a controller, just can realize the full automatic operation of unit, has simplified the wiring, has improved operational reliability, the simultaneous control ware provides RS485 communication interface circuit, realizes online data sharing, realizes generating set's distant place control and centralized control.
Description
Technical field
This utility model relates to the full-automatic technical field of power generation of low pressure Hydropower Unit, the generating set automatic generation intelligent controller of the Highgrade integration of the automatic generation of the Hydropower Unit that a kind of applicable electric pressure is AC400V specifically researched and developed according to the operation present situation of the Hydropower Unit that electric pressure is AC400V.
Background technology
At present, most domestic electric pressure is the technical scheme that the Hydropower Unit of AC400V continues to use the eighties in last century, and water turbine governing uses steering wheel, operations staff's manual rotation steering wheel control guide vane opening thus control the rotating speed of the hydraulic turbine；The mode that adjustment of field excitation uses adjustable resistance to control Trigger Angle realizes；Simultaneous interconnecting realizes by observing bulb or electromagnetic mechanical synchronous meter closing by hand.Under this mode, it is desirable to the attention high concentration of operations staff, and need higher experience level；It addition, this scheme is due to entirely operations staff's manual operation, safety is the highest, and when grid-connected, the impact to unit may be bigger.In recent years, domestic electric pressure is that the Hydropower Unit of AC400V undergoes technological transformation successively, and major part uses the scheme of high pressure unit, and this scheme can realize the Automated condtrol of unit, but cost is the highest；Part uses being combined into one of the equipment screens such as excitation controlling device, microcomputer protecting device, control device and thermometric to realize the Automated condtrol of unit; system needs the interface realizing many equipment and communicates; adding the complexity of system, operation maintenance is inconvenient, and relatively costly.
Summary of the invention
The purpose of this utility model is the problem existed for prior art, it is provided that a kind of modularized design, be capable of the generating set automatic generation intelligent controller of repertoire needed for low pressure Hydropower Unit is run.
The purpose of this utility model solves by the following technical programs:
A kind of generating set automatic generation intelligent controller, it is characterized in that: described intelligent controller includes host CPU module, auxiliary CPU module, man-machine interaction module and comprehensive module, host CPU module and auxiliary CPU module plug formula Hard link respectively are installed on comprehensive module, and man-machine interaction module is flexible coupling with comprehensive module by plug type flat cable.
Described host CPU module includes checking circuit, analog quantity acquisition circuit, adjustment of field excitation control circuit, main I/O interface circuit, serial communication interface circuit and main SPI communication interface circuit with main MCU the same period being connected respectively.
Described auxiliary CPU module includes auxiliary SPI communication interface circuit, RS485 communication interface circuit, 12 channel Temperature Measuring interface circuits, digital display meter communication interface circuit and the auxiliary I/O interface circuit being connected respectively with auxiliary MCU；The most auxiliary SPI communication interface circuit is connected with main SPI communication interface circuit and RS485 communication interface circuit is connected with serial communication interface circuit, and auxiliary I/O interface circuit is connected with man-machine interaction module.
Described man-machine interaction module includes button, display lamp and liquid crystal.
Described comprehensive module includes transformer analog quantity acquisition circuit, pulse transformer excitation control circuit, excitation voltage exciting current Acquisition Circuit, water level acquisition, Phototube Coupling digital quantity acquiring circuit, Phototube Coupling digital quantity outputting circuit for relay；Wherein with the same period in host CPU module, transformer analog quantity acquisition circuit checks that circuit and analog quantity acquisition circuit are connected simultaneously, pulse transformer excitation control circuit is connected with the adjustment of field excitation control circuit in host CPU module, and excitation voltage exciting current Acquisition Circuit, Phototube Coupling digital quantity acquiring circuit, Phototube Coupling digital quantity outputting circuit for relay are connected with the main I/O interface circuit in host CPU module simultaneously.
Described transformer analog quantity acquisition circuit is used for harvester end three-phase voltage and three-phase circuit and system line voltage.
Described pulse transformer excitation control circuit uses all-wave all controlled rectifier circuit to control.
Described water level acquisition is 1 tunnel 4～20mA water level acquisition.
Described Phototube Coupling digital quantity acquiring circuit is that 18 tunnel intakes access.
Described Phototube Coupling digital quantity outputting circuit for relay is No. 14 relay outputs.
This utility model has the following advantages compared to existing technology:
Intelligent controller of the present utility model passes through modularized design, host CPU module and auxiliary CPU module plug formula Hard link are installed on comprehensive module, man-machine interaction module is flexible coupling with comprehensive module by plug type flat cable, improves the reliability of product；This intelligent controller achieves the Row control of unit, generating set startup-shutdown Automatic Control, generator excitation regulation, water turbine governing control (supporting microcomputer governor and hand-electric operator), automatic presynchronization combined floodgate, electromotor relay protection, digital displaying meter, automatic economic power generation, set state supervision eight big functions in one; one generating set only needs to configure a controller; can be achieved with the fully automatic operation of unit; simplify wiring, improve operational reliability；Controller provides RS485 communication interface circuit simultaneously, it is achieved online data sharing, it is achieved the remote monitoring of generating set and centralized Control.
Intelligent controller of the present utility model achieves one-touch start, one-touch shutdown, auto-parallel quick quasi-same period, automatic generation function; additionally also achieve and shut down by water level full-automatic, by water level economic power generation pattern; efficiently harmony utilizes water resource; improve the operational efficiency of generating set; achieve unattended (few man on duty) operational mode of low pressure small hydropower station; having saved personnel cost, improve economic benefit, this intelligent controller is applicable to the Based Intelligent Control that the Hydropower Unit that electric pressure is AC400V automatically generates electricity.
Accompanying drawing explanation
Accompanying drawing 1 is intelligent controller hardware configuration layout of the present utility model；
Accompanying drawing 2 is intelligent controller hardware circuit figure of the present utility model.
Wherein: 1 host CPU module；2 auxiliary CPU modules；3 man-machine interaction modules；4 comprehensive modules.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
As shown in Figure 1-2: a kind of generating set automatic generation intelligent controller, this intelligent controller includes host CPU module 1, auxiliary CPU module 2, man-machine interaction module 3 and comprehensive module 4, host CPU module 1 and auxiliary CPU module 2 plug formula Hard link respectively are installed on comprehensive module 4, and man-machine interaction module 3 is flexible coupling with comprehensive module 4 by plug type flat cable.Specifically, host CPU module 1 includes checking circuit, analog quantity acquisition circuit, adjustment of field excitation control circuit, main I/O interface circuit, serial communication interface circuit and main SPI communication interface circuit with main MCU the same period being connected respectively.Auxiliary CPU module 2 includes auxiliary SPI communication interface circuit, RS485 communication interface circuit, 12 channel Temperature Measuring interface circuits, digital display meter communication interface circuit and the auxiliary I/O interface circuit being connected respectively with auxiliary MCU；The most auxiliary SPI communication interface circuit is connected with main SPI communication interface circuit and RS485 communication interface circuit is connected with serial communication interface circuit, and auxiliary I/O interface circuit is connected with man-machine interaction module 3.Man-machine interaction module 3 includes button, display lamp and liquid crystal.Comprehensive module 4 includes for harvester end three-phase voltage and the transformer analog quantity acquisition circuit of three-phase circuit and system line voltage, the pulse transformer excitation control circuit using all-wave all controlled rectifier circuit to control, excitation voltage exciting current Acquisition Circuit, the water level acquisition on 1 tunnel 4～20mA, the Phototube Coupling digital quantity acquiring circuit of 18 tunnel intakes accesses, the Phototube Coupling digital quantity outputting circuit for relay of No. 14 relays outputs, transformer analog quantity acquisition circuit；Wherein with the same period in host CPU module 1, transformer analog quantity acquisition circuit checks that circuit and analog quantity acquisition circuit are connected simultaneously, pulse transformer excitation control circuit is connected with the adjustment of field excitation control circuit in host CPU module 1, and excitation voltage exciting current Acquisition Circuit, Phototube Coupling digital quantity acquiring circuit, Phototube Coupling digital quantity outputting circuit for relay are connected with the main I/O interface circuit in host CPU module 1 simultaneously.
In use, the connector of the 2*20 that host CPU module 1 and comprehensive module 4 use two double spacing to be 2.54 is attached intelligent controller of the present utility model；The connector of the 2*16 that auxiliary CPU module 2 and comprehensive module 4 use single double spacing to be 2.54 is attached；The joint chair of the 2*17 that man-machine interaction module 3 and comprehensive module 4 use single double spacing to be 2.54, use flexible flat cable line are attached.In comprehensive module 4,12 channel Temperature Measuring interface circuits, excitation voltage exciting current Acquisition Circuit, water level acquisition all use the isolation circuit of DC/DC, improve the capacity of resisting disturbance in each loop.Water turbine governing controls, rotary speed of generator group is measured by machine end Uac residual voltage frequency measurement circuit, according to the rotating speed measured, use PID regulation to control acceleration pulsewidth and the deceleration pulsewidth of microcomputer governor by accelerating, slow down two relay outputs, thus realize the PID closed loop regulation of water turbine governing.By measuring machine end three-phase voltage, exciting current, excitation voltage, it is achieved the adjustment of field excitation of generating set, the function such as including adjustment of field excitation, field-forcing function, underexcitation restriction, triggers, by 6, the IGCT realization that Pulse Width Control all-wave is controlled entirely.By machine end three-phase voltage and the measurement of system line voltage and acceleration, outlet of slowing down, excitation con-trol function, it is achieved full-automatic quasi-simultaneous interconnecting function.Realize the failure protection functions such as overcurrent protection, overvoltage protection, reverse-power protection, field loss protection, underfrequency protection, carrier current protection, overspeed protection, excess temperature trip protection, pressure anomaly by machine end three-phase voltage, three-phase current, excitation voltage, the collection of exciting current, realize emergency shutdown by relay outlets such as generator outlet circuit breaker trip, microcomputer governor emergency shutdown, demagnetizations.The most also realize overload alarm, excitation overload alarm, excitation fault alarm, TV broken string alerts, the alarm functions such as alarm cut off by break pin.By open a sluice gate valve, close gate valve, open speed regulator, close speed regulator, accelerate, slow down, excitation, close a floodgate, trip, speed regulator emergency shutdown, the relay outlet such as braking; and frequency measurement circuit, adjustment of field excitation function, it is achieved the Auto Power On flow process of unit, autostop flow process and emergency shutdown flow process.
Intelligent controller of the present utility model passes through modularized design, host CPU module 1 and auxiliary CPU module 2 plug formula Hard link are installed on comprehensive module 4, man-machine interaction module 3 is flexible coupling with comprehensive module 4 by plug type flat cable, improves the reliability of product；This intelligent controller achieves the Row control of unit, generating set startup-shutdown Automatic Control, generator excitation regulation, water turbine governing control (supporting microcomputer governor and hand-electric operator), automatic presynchronization combined floodgate, electromotor relay protection, digital displaying meter, automatic economic power generation, set state supervision eight big functions in one; one generating set only needs to configure a controller; can be achieved with the fully automatic operation of unit; simplify wiring, improve operational reliability；Controller provides RS485 communication interface circuit simultaneously, it is achieved online data sharing, it is achieved the remote monitoring of generating set and centralized Control.Intelligent controller of the present utility model achieves one-touch start, one-touch shutdown, auto-parallel quick quasi-same period, automatic generation function; additionally also achieve and shut down by water level full-automatic, by water level economic power generation pattern; efficiently harmony utilizes water resource; improve the operational efficiency of generating set; achieve unattended (few man on duty) operational mode of low pressure small hydropower station; having saved personnel cost, improve economic benefit, this intelligent controller is applicable to the Based Intelligent Control that the Hydropower Unit that electric pressure is AC400V automatically generates electricity.
Above example only illustrates technological thought of the present utility model; protection domain of the present utility model can not be limited with this; every according to the technological thought that the utility model proposes, any change done on the basis of technical scheme, within each falling within this utility model protection domain；The technology that this utility model is not directed to all can be realized by prior art.
Claims (10)
1. a generating set automatic generation intelligent controller, it is characterized in that: described intelligent controller includes host CPU module (1), auxiliary CPU module (2), man-machine interaction module (3) and comprehensive module (4), host CPU module (1) and auxiliary CPU module (2) plug formula Hard link respectively are installed on comprehensive module (4), and man-machine interaction module (3) is flexible coupling with comprehensive module (4) by plug type flat cable.
Generating set automatic generation intelligent controller the most according to claim 1, it is characterised in that: described host CPU module (1) includes checking circuit, analog quantity acquisition circuit, adjustment of field excitation control circuit, main I/O interface circuit, serial communication interface circuit and main SPI communication interface circuit with main MCU the same period being connected respectively.
Generating set automatic generation intelligent controller the most according to claim 2, it is characterised in that: described auxiliary CPU module (2) includes auxiliary SPI communication interface circuit, RS485 communication interface circuit, 12 channel Temperature Measuring interface circuits, digital display meter communication interface circuit and the auxiliary I/O interface circuit being connected respectively with auxiliary MCU；The most auxiliary SPI communication interface circuit is connected with main SPI communication interface circuit and RS485 communication interface circuit is connected with serial communication interface circuit, and auxiliary I/O interface circuit is connected with man-machine interaction module (3).
4. according to the generating set automatic generation intelligent controller described in claim 1 or 3, it is characterised in that: described man-machine interaction module (3) includes button, display lamp and liquid crystal.
Generating set automatic generation intelligent controller the most according to claim 2, it is characterised in that: described comprehensive module (4) includes transformer analog quantity acquisition circuit, pulse transformer excitation control circuit, excitation voltage exciting current Acquisition Circuit, water level acquisition, Phototube Coupling digital quantity acquiring circuit, Phototube Coupling digital quantity outputting circuit for relay；Wherein with the same period in host CPU module (1), transformer analog quantity acquisition circuit checks that circuit and analog quantity acquisition circuit are connected simultaneously, pulse transformer excitation control circuit is connected with the adjustment of field excitation control circuit in host CPU module (1), and excitation voltage exciting current Acquisition Circuit, Phototube Coupling digital quantity acquiring circuit, Phototube Coupling digital quantity outputting circuit for relay are connected with the main I/O interface circuit in host CPU module (1) simultaneously.
Generating set automatic generation intelligent controller the most according to claim 5, it is characterised in that: described transformer analog quantity acquisition circuit is used for harvester end three-phase voltage and three-phase circuit and system line voltage.
Generating set automatic generation intelligent controller the most according to claim 5, it is characterised in that: described pulse transformer excitation control circuit uses all-wave all controlled rectifier circuit to control.
Generating set automatic generation intelligent controller the most according to claim 5, it is characterised in that: described water level acquisition is 1 tunnel 4～20mA water level acquisition.
Generating set automatic generation intelligent controller the most according to claim 5, it is characterised in that: described Phototube Coupling digital quantity acquiring circuit is that 18 tunnel intakes access.
Generating set automatic generation intelligent controller the most according to claim 5, it is characterised in that: described Phototube Coupling digital quantity outputting circuit for relay is No. 14 relay outputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620264977.9U CN205509909U (en) | 2016-04-01 | 2016-04-01 | Automatic intelligent control ware that generates electricity of generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620264977.9U CN205509909U (en) | 2016-04-01 | 2016-04-01 | Automatic intelligent control ware that generates electricity of generating set |
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| CN205509909U true CN205509909U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620264977.9U Withdrawn - After Issue CN205509909U (en) | 2016-04-01 | 2016-04-01 | Automatic intelligent control ware that generates electricity of generating set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763111A (en) * | 2016-04-01 | 2016-07-13 | 钛能科技股份有限公司 | Generating set automatic power generation intelligent controller |
-
2016
- 2016-04-01 CN CN201620264977.9U patent/CN205509909U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763111A (en) * | 2016-04-01 | 2016-07-13 | 钛能科技股份有限公司 | Generating set automatic power generation intelligent controller |
| CN105763111B (en) * | 2016-04-01 | 2018-07-17 | 钛能科技股份有限公司 | A kind of generating set automatic generation intelligent controller |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160824 Effective date of abandoning: 20180717 |