CN203474132U - Medium voltage variable frequency dual-controller redundant device - Google Patents
Medium voltage variable frequency dual-controller redundant device Download PDFInfo
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- CN203474132U CN203474132U CN201320595246.9U CN201320595246U CN203474132U CN 203474132 U CN203474132 U CN 203474132U CN 201320595246 U CN201320595246 U CN 201320595246U CN 203474132 U CN203474132 U CN 203474132U
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Abstract
The utility model discloses a medium voltage variable frequency dual-controller redundant device. The medium voltage variable frequency dual-controller redundant device is mainly applied to the intelligent control field of mine hoists, and comprises a PLC, an HMI, a CCU1 and CCU2, a set of power triggering unit PMM1, a set of power triggering unit PMM2, a variable frequency drive unit Driver1 and a variable frequency drive unit Driver 2. The CCUs control the PMMs to generate trigger pulse signals, IGBTs of the Drivers are triggered to be connected or disconnected to control a motor to operate. A dual control unit has a mutual redundant backup function, and communication is conducted through an internal CCULink. During normal work, the two CCUs are controlled by two sets of transmission units respectively, data are verified through an input interface and an output interface mutually, and stable and reliable operation of a system is guaranteed. When one CCU breaks down, the system can automatically switch all services of the breakdown controller to the other controller. The medium voltage variable frequency dual-controller redundant device has the advantages that the emergency performance and the working efficiency of the system can be improved, and a hardware platform is provided for stable and reliable operation of the whole set of system.
Description
Technical field
The utility model relates to coal mine lifting machine field of intelligent control, is specifically related to a kind of medium voltage converter dual controller redundant apparatus.
Technical background
The safety and stability of Guarantee control system is the basic demand of field of intelligent control, especially for the mine hoisting field at High Power Medium Voltage Variable Frequency, control is a little malfunctioning not only can affect work efficiency, when serious, also can bring industrial heavy losses and personnel's injury.Current mine promotes sector application and adopts Single Controller can not meet the requirement of high safety factor, particularly when controller breaks down, a whole set of equipment can not continue normal operation, this single controller control mine hoist system should be acute poor, safety control coefficient is low.So, how a kind of dual controller device that is applied to High Power Medium Voltage Variable Frequency is provided, can meets the requirement of gig normal operation, can realize again the redundancy of controller, guarantee the safe and reliable efficient work of gig converter plant, be the major issue that those skilled in the art need to solve always.
Utility model content
For the deficiencies in the prior art, the technical problems to be solved in the utility model is to provide the medium voltage converter dual controller redundant apparatus that a kind of control stiffness is good, work efficiency is high.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of medium voltage converter dual controller redundant apparatus, comprise: a Programmable Logic Controller PLC, a Human machine interface, two central controller CCU1 and CCU2, two power trigger unit PMM1 and PMM2, two variable frequency drive unit Driver1 and Driver2, described PLC is connected with CCU2 with central controller CCU1 respectively, realizes the data communication between PLC and central controller CCU1, CCU2;
Described Human machine interface is connected with CCU2 with central controller CCU1 respectively, realizes the data transmission of HMI and central controller CCU1 and central controller CCU2;
Described central controller CCU1 is connected with described central controller CCU2, realizes the data exchange between central controller CCU1 and central controller CCU2;
Described central controller CCU1 is connected with described power trigger unit PMM1, and power trigger unit PMM1 is connected with variable frequency drive unit Driver1;
Described central controller CCU2 is connected with described power trigger unit PMM2, and power trigger unit PMM2 is connected with variable frequency drive unit Driver2.
As preferred version, between described Programmable Logic Controller PLC and central controller CCU1, central controller CCU2, by PROFIBUS-DP industrial field bus, carry out data communication.
Preferably, the screen of described Human machine interface is SIEMENS touch-screen.
Preferably, between described central controller CCU1 and central controller CCU2, by inner CCU-Link, carry out data communication.
Adopt synchronous dynamo frequency conversion dual controller redundancy structure, dual controller device has redundant backup function each other.During normal operation, two cover control units are principal and subordinate each other, by inner CCU-Link, communicates, and is in charge of the control of two cover gear units, and by input, the mutual verification msg of output interface, guarantees the reliability service of system.When a controller breaks down, system can automatically switch to another one controller by all business of Fault Control device and realize man-machine interface, complete the given etc. of start pulse signal, when Fault Control device recovers, again can the control of immediate recovery to original business.The good effect that the utility model is obtained is: the redundant backup function that system stability is high, can realize controller, avoid because single controller break down must parking checking and trouble-shooting, effectively improve the work efficiency of gig.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Medium voltage converter dual controller redundant apparatus structural representation as shown in Figure 1, PLC connects central controller CCU1 and central controller CCU2, between PLC and central controller CCU1 and central controller CCU2, by PROFIBUS-DP industrial field bus, communicate, central controller CCU1 is connected with power trigger unit PMM1, and power trigger unit PMM1 is connected with variable frequency drive unit Driver1; Central controller CCU2 is connected with power trigger unit PMM2, and power trigger unit PMM2 is connected with variable frequency drive unit Driver2.
During normal operation, central controller CCU1 power ratio control trigger element PMM1 produces start pulse signal, and the trigging pulse that PMM1 produces is controlled conducting or the shutoff of IGBT thyristor in variable frequency drive unit Driver1, thereby controls the variation of output voltage.Central controller CCU2 controls variable frequency drive unit Driver2 mode of operation by power trigger unit PMM2 is identical with the mode of operation that central controller CCU1 controls variable frequency drive unit Driver1 by power trigger unit PMM1.When in CCU1 and CCU2, some controllers break down, system can automatically switch to another one controller by all business of Fault Control device and realize man-machine interface, complete the given etc. of Driver1 and Driver2 start pulse signal, when Fault Control device recovers, again can the control of immediate recovery to original business.
Central controller CCU1 is connected with central controller CCU2, between central controller CCU1 and central controller CCU2, by inner CCU-Link, carry out data communication, HMI is connected with central controller CCU2 with central controller CCU1 respectively, can be by the visualized operation of Human machine interface being controlled to the mode of operation of selecting central controller, HMI module adopts SIEMENS touch-screen, makes people more directly perceived, vivid when operation, convenient.
Between PLC and CCU, by PROFIBUS-DP industrial field bus, communicate, realize the transmission exchange of internal data, and programme to realize various control functions by PLC.Between HMI and CCU, also can carry out the transmission of data, can set the supplemental characteristic of CCU by Human machine interface, the running condition of CCU inside also can show, realize man-machine interface on touch-screen picture.
A kind of medium voltage converter dual controller redundant apparatus that the utility model device proposes, between two controllers, adopt CCU-Link to communicate, traffic rate is fast, stability is high, and can be by the input of controller, the mutual verification msg of output interface, can effectively increase the antijamming capability of control setup, and dual controller has redundant backup function, avoid because single controller break down must parking checking and trouble-shooting, that improves system should acute and work efficiency.HMI is the abbreviation of Human Machine Interface, and " man machine interface " is also man-machine interface.Man-machine interface (claiming again user interface or user interface) is the medium that carries out mutual and information exchange between system and user, and internal form and the mankind that it realizes information can accept the conversion between form.
Above specific embodiment has only been described principal character and the innovative point of this programme.Those skilled in the art should understand, and this programme is not restricted to the described embodiments.Do not departing under the prerequisite of the innovation point and protection domain, this programme also has various variations, and these changes and improvements all will fall in the claimed scope of this programme.The claimed scope of this programme is limited by appending claims and equivalent thereof.
It should be noted that above-described embodiment is in order to illustrate rather than limit the utility model, those skilled in the art can design many optional embodiment under the condition of scope that does not deviate from claims.Word " comprises " and does not get rid of those elements different from the element of listing in claim or step or the existence of step.Word before element " one " or " one " do not get rid of the existence of a plurality of this elements, in enumerating several circuit claims, several can performance by one in these devices, hardware branch is also same, only, because some method is to describe, do not illustrate that the combination of these methods can not be used for making a profit in different dependent claims.
Claims (4)
1. a medium voltage converter dual controller redundant apparatus, it is characterized in that: comprising: a Programmable Logic Controller PLC, a Human machine interface, two central controller CCU1 and CCU2, two power trigger unit PMM1 and PMM2, two variable frequency drive unit Driver1 and Driver2, described PLC is connected with CCU2 with central controller CCU1 respectively, realizes the data communication between PLC and central controller CCU1, CCU2;
Described Human machine interface is connected with CCU2 with central controller CCU1 respectively, realizes the data transmission of HMI and central controller CCU1 and central controller CCU2;
Described central controller CCU1 is connected with described central controller CCU2, realizes the data exchange between central controller CCU1 and central controller CCU2;
Described central controller CCU1 is connected with described power trigger unit PMM1, and power trigger unit PMM1 is connected with variable frequency drive unit Driver1;
Described central controller CCU2 is connected with described power trigger unit PMM2, and power trigger unit PMM2 is connected with variable frequency drive unit Driver2.
2. dual controller redundant apparatus according to claim 1, is characterized in that: between Programmable Logic Controller PLC and central controller CCU1, central controller CCU2, by PROFIBUS-DP industrial field bus, carry out data communication.
3. dual controller redundant apparatus according to claim 1, is characterized in that: the screen of Human machine interface is SIEMENS touch-screen.
4. dual controller redundant apparatus according to claim 1, is characterized in that: between central controller CCU1 and central controller CCU2, by inner CCU-Link, carry out data communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320595246.9U CN203474132U (en) | 2013-09-24 | 2013-09-24 | Medium voltage variable frequency dual-controller redundant device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320595246.9U CN203474132U (en) | 2013-09-24 | 2013-09-24 | Medium voltage variable frequency dual-controller redundant device |
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| CN203474132U true CN203474132U (en) | 2014-03-12 |
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| CN201320595246.9U Expired - Lifetime CN203474132U (en) | 2013-09-24 | 2013-09-24 | Medium voltage variable frequency dual-controller redundant device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168044A (en) * | 2017-06-19 | 2017-09-15 | 浙江大学 | A kind of underwater robot propeller tolerant system |
| CN109814449A (en) * | 2019-01-17 | 2019-05-28 | 武汉恩立升物联科技有限公司 | A kind of high stable fuel oil long-distance monitorng device |
| CN114355891A (en) * | 2021-12-09 | 2022-04-15 | 青岛慧拓智能机器有限公司 | Intelligent unmanned transportation system for underground mine |
-
2013
- 2013-09-24 CN CN201320595246.9U patent/CN203474132U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168044A (en) * | 2017-06-19 | 2017-09-15 | 浙江大学 | A kind of underwater robot propeller tolerant system |
| CN109814449A (en) * | 2019-01-17 | 2019-05-28 | 武汉恩立升物联科技有限公司 | A kind of high stable fuel oil long-distance monitorng device |
| CN114355891A (en) * | 2021-12-09 | 2022-04-15 | 青岛慧拓智能机器有限公司 | Intelligent unmanned transportation system for underground mine |
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Address after: 200083, Shanghai, Hongkou District water circuit No. 120, west side of the four Patentee after: SHANGHAI HUALING POWER STATION COMPLETE EQUIPMENT CO.,LTD. Address before: 200083, Shanghai, Hongkou District water circuit No. 120, west side of the four Patentee before: SHANGHAI HUALING COMPLETE SETS OF EQUIPMENT FOR POWER STATION Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
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| CX01 | Expiry of patent term |