Summary of the invention
The technical problem to be solved in the present invention: for the problems referred to above of prior art, provides that a kind of voltage-regulation is safe and reliable, many gears voltage regulating transformer automatic regulating voltage method that can realize, simple operation fast across shelves and many grades of automatic Regulation, governing speed and automatic pressure regulating device.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
The invention provides a kind of many gears voltage regulating transformer automatic regulating voltage method, step comprises:
1) the target shift figure place of automatic Regulation is set;
2) the current gear information of voltage regulating transformer is gathered by the intelligent controller of voltage regulating transformer;
3) calculate the difference between target shift figure place and current gear information, and determine that by the action type of shelves pressure regulation operation be increase gear or minimizing gear according to the difference between target shift figure place and current gear information; Intelligent controller to voltage regulating transformer sends operating by shelves pressure regulation under teleoperation mode, and terminates automatic Regulation when the action frequency of the motor-operating mechanism of voltage regulating transformer equals the difference between target shift figure place and current gear information and exit.
Preferably, described step 2) detailed step comprise: the signal of each gear output pin of intelligent controller gathering voltage regulating transformer, the output signal of each gear output pin is assembled into the current gear information of binary-coded decimal form, then the current gear information of binary-coded decimal form is carried out the current gear information that decoding obtains decimal form.
Preferably, described step 2) in also comprise the step current gear information of decimal form exported in real time.
Preferably, the detailed step of described step 3) comprises:
3.1) the low limit signal of the high limit signal of the high limit signal output pin of the intelligent controller of voltage regulating transformer, low spacing signal pins output is detected, if intelligent controller exports without high limit signal and low limit signal, then redirect performs step 3.2); Otherwise, block and to send exiting by shelves pressure regulation operating impulse signal under teleoperation mode to intelligent controller;
3.2) calculate the difference between target shift figure place and current gear information, and determine that by the action type of shelves pressure regulation operation be increase gear or minimizing gear according to the difference between target shift figure place and current gear information; Arrange for recording the action frequency counter of voltage regulating transformer motor-operating mechanism action frequency and resetting to 0;
3.3) action type by shelves pressure regulation operation is judged, if action type is for increasing gear, upshift then to intelligent controller regulates pin output enable signal, and action type is for reducing gear else if, then the downshift to intelligent controller regulates pin output enable signal;
3.4) judge whether the motor-operating mechanism of voltage regulating transformer action occurs, if the motor-operating mechanism generation action of voltage regulating transformer, then action frequency counter is added 1;
3.5) judge whether the value of action frequency counter equals the difference between target shift figure place and current gear information, if equal the difference between target shift figure place and current gear information, then terminates automatic Regulation and exits; Be not equal to the difference between target shift figure place and current gear information else if, then redirect performs step 3.3).
The present invention also provides a kind of many gears automatic pressure regulating device, comprise interconnective intelligent controller and motor-operating mechanism, described many gears automatic pressure regulating device also comprises man-machine interaction unit and Regulation Control module, described Regulation Control module comprises power subsystem, interface module, gear signal acquisition module and gear are by the automatic regulation output module of shelves, described interface module, gear signal acquisition module, gear is connected with external power source respectively by power subsystem by the automatic regulation output module of shelves, described gear signal acquisition module, gear is connected with man-machine interaction unit respectively by interface module by the automatic regulation output module of shelves, described gear signal acquisition module, gear is connected with intelligent controller respectively by the automatic regulation output module of shelves, described man-machine interaction unit is for setting the target shift figure place of automatic Regulation, described gear signal acquisition module is used for gathering current gear information by intelligent controller, described gear by the automatic regulation output module of shelves for calculating the difference between target shift figure place and current gear information, and determine that by the action type of shelves pressure regulation operation be increase gear or minimizing gear according to the difference between target shift figure place and current gear information, send operating by shelves pressure regulation under teleoperation mode to intelligent controller, and terminate automatic Regulation when execution equals the difference between target shift figure place and current gear information by the number of times that shelves pressure regulation operates.
Preferably, described gear signal acquisition module comprises the first digital quantity input module PLC4, second digital quantity input module PLC5 and the 3rd digital quantity input module PLC6, the input of described first digital quantity input module PLC4 respectively with the high limit signal output pin LMT1 of intelligent controller, low spacing signal pins LMTN and limit signal common port LMTCOM is connected, the input of described second digital quantity input module PLC5 is connected with gear binary-coded decimal 0th ~ 3 signal output pins of intelligent controller and common port pin DCOM respectively, the input of described 3rd digital quantity input module PLC6 is connected with gear binary-coded decimal 4th ~ 7 signal output pins of intelligent controller and common port pin DCOM respectively.
Preferably, described gear is connected to auxiliary relay KA1 ~ KA4 by the output of the automatic regulation output module of shelves, the upshift of described intelligent controller regulates pin ACTL to regulate common pin ACDCOM to be connected by auxiliary relay KA1 with the gear of intelligent controller, the downshift of described intelligent controller regulates pin ACTR to regulate common pin ACDCOM to be connected by auxiliary relay KA2 with the gear of intelligent controller, the Long-distance Control pin I-R of described intelligent controller is connected with the control common pin ICOM of intelligent controller by the auxiliary contact of auxiliary relay KA3, this locality of intelligent controller is controlled pin I-L and is connected with the control common pin ICOM of intelligent controller by the auxiliary contact of auxiliary relay KA4.
Preferably, described power subsystem comprises Voltage stabilizing module G1 and core bus power module PLC2, and the output of described Voltage stabilizing module G1 is exported and is connected by the automatic regulation output module of shelves with interface module, gear signal acquisition module and gear respectively by core bus power module PLC2.
Preferably, described Voltage stabilizing module G1 is also serially connected with miniature circuit breaker QF1, and described Voltage stabilizing module G1 is connected with power frequency supply by miniature circuit breaker QF1.
Preferably, described intelligent controller and motor-operating mechanism are equipped with aviation plug, between described intelligent controller and motor-operating mechanism, cable is connected by aviation plug.
Many gears voltage regulating transformer automatic regulating voltage method of the present invention has following advantage: many gears voltage regulating transformer automatic regulating voltage method of the present invention gathers the current gear information of voltage regulating transformer by the intelligent controller of voltage regulating transformer, calculate the difference between target shift figure place and current gear information, and determine that by the action type of shelves pressure regulation operation be increase gear or minimizing gear according to the difference between target shift figure place and current gear information; Intelligent controller to voltage regulating transformer sends operating by shelves pressure regulation under teleoperation mode, and terminate automatic Regulation when the action frequency of the motor-operating mechanism of voltage regulating transformer equals the difference between target shift figure place and current gear information, the automatic Regulation of many gears voltage regulating transformer can be realized, avoid loaded down with trivial details pressure regulation operation, have voltage-regulation safe and reliable, advantage that is fast across shelves and many grades of automatic Regulation, governing speed, simple operation can be realized.
Many gears automatic pressure regulating device of the present invention is that device corresponding to the present invention's many gears voltage regulating transformer automatic regulating voltage method realizes, equally also have voltage-regulation safe and reliable, advantage that is fast across shelves and many grades of automatic Regulation, governing speed, simple operation can be realized.
Embodiment
As shown in Figure 1, the step of many gears voltage regulating transformer automatic regulating voltage method of the present embodiment comprises:
1) the target shift figure place of automatic Regulation is set;
2) the current gear information of voltage regulating transformer is gathered by the intelligent controller of voltage regulating transformer;
3) calculate the difference between target shift figure place and current gear information, and determine that by the action type of shelves pressure regulation operation be increase gear or minimizing gear according to the difference between target shift figure place and current gear information; Intelligent controller to voltage regulating transformer sends operating by shelves pressure regulation under teleoperation mode, and terminates automatic Regulation when the action frequency of the motor-operating mechanism of voltage regulating transformer equals the difference between target shift figure place and current gear information and exit.
In the present embodiment, step 2) detailed step comprise: the signal of each gear output pin of intelligent controller gathering voltage regulating transformer, the output signal of each gear output pin is assembled into the current gear information of binary-coded decimal form, then the current gear information of binary-coded decimal form is carried out the current gear information that decoding obtains decimal form.
In the present embodiment, step 2) in also comprise the step current gear information of decimal form exported in real time.
In the present embodiment, the detailed step of step 3) comprises:
3.1) the low limit signal of the high limit signal of the high limit signal output pin of the intelligent controller of voltage regulating transformer, low spacing signal pins output is detected, if intelligent controller exports without high limit signal and low limit signal, then redirect performs step 3.2); Otherwise, block and to send exiting by shelves pressure regulation operating impulse signal under teleoperation mode to intelligent controller;
3.2) calculate the difference between target shift figure place and current gear information, and determine that by the action type of shelves pressure regulation operation be increase gear or minimizing gear according to the difference between target shift figure place and current gear information; Arrange for recording the action frequency counter of voltage regulating transformer motor-operating mechanism action frequency and resetting to 0;
3.3) action type by shelves pressure regulation operation is judged, if action type is for increasing gear, upshift then to intelligent controller regulates pin output enable signal, and action type is for reducing gear else if, then the downshift to intelligent controller regulates pin output enable signal;
3.4) judge whether the motor-operating mechanism of voltage regulating transformer action occurs, if the motor-operating mechanism generation action of voltage regulating transformer, then action frequency counter is added 1;
3.5) judge whether the value of action frequency counter equals the difference between target shift figure place and current gear information, if equal the difference between target shift figure place and current gear information, then terminates automatic Regulation and exits; Be not equal to the difference between target shift figure place and current gear information else if, then redirect performs step 3.3).
As shown in Figure 2, many gears automatic pressure regulating device of the present embodiment comprises interconnective intelligent controller 1 and motor-operating mechanism 2, wherein intelligent controller 1 is CZ1 type intelligent controller, CZ1 type intelligent controller comprises 69 gears altogether and possesses long-range and local two kinds of operator schemes, local operation pattern is push-botton operation on intelligent controller, once can only regulate 1 grade, can not regulate continuously; Teleoperation mode need realize controlling by aerial lug (terminal 6 ~ 25), but once also can only regulate 1 grade, and can not regulate continuously, intelligent controller 1 needs external AC380V working power; Motor-operating mechanism 2 is installed on the inside of many gears automatic pressure regulating device, is the actuator that many gears automatic pressure regulating device is transferred the files, and intelligent controller 1 and motor-operating mechanism 2 support the use, for controlling motor-operating mechanism 2; It should be noted that, intelligent controller 1 and motor-operating mechanism 2 are the parts of existing many gears automatic pressure regulating device, therefore will no longer describe in detail in its concrete internal structure the present embodiment.Certainly, the present embodiment also can be applied to the intelligent controller of other models.
On the basis of aforementioned intelligent controller 1 and motor-operating mechanism 2, the present embodiment many gears automatic pressure regulating device also comprises man-machine interaction unit 3 and Regulation Control module 4, Regulation Control module 4 comprises power subsystem 41, interface module 42, gear signal acquisition module 43 and gear are by the automatic regulation output module 44 of shelves, interface module 42, gear signal acquisition module 43, gear is connected with external power source respectively by power subsystem 41 by the automatic regulation output module 44 of shelves, gear signal acquisition module 43, gear is connected with man-machine interaction unit 3 respectively by interface module 42 by the automatic regulation output module 44 of shelves, gear signal acquisition module 43, gear is connected with intelligent controller 1 respectively by the automatic regulation output module 44 of shelves, man-machine interaction unit 3 is for setting the target shift figure place of automatic Regulation, gear signal acquisition module 43 is for gathering current gear information by intelligent controller 1, gear by the automatic regulation output module 44 of shelves for calculating the difference between target shift figure place and current gear information, and determine that by the action type of shelves pressure regulation operation be increase gear or minimizing gear according to the difference between target shift figure place and current gear information, send operating by shelves pressure regulation under teleoperation mode to intelligent controller 1, and terminate automatic Regulation when execution equals the difference between target shift figure place and current gear information by the number of times that shelves pressure regulation operates.The information that operator inputs, as the carrier of man-machine interaction, is issued to Regulation Control module 4, and feeds back current device state information by man-machine interaction unit 3.Many gears automatic pressure regulating device of the present embodiment can realize many gears on-load tap-changing transformer automatic Regulation, can realize automatic Regulation, avoid loaded down with trivial details operating process by shirtsleeve operation, has remote real-time monitoring gear and upper and lower spacing defencive function.
As Fig. 3, shown in Fig. 4 and Fig. 5, gear signal acquisition module 43 comprises the first digital quantity input module PLC4, second digital quantity input module PLC5 and the 3rd digital quantity input module PLC6, the input of the first digital quantity input module PLC4 respectively with No. 17 pins of the high limit signal output pin LMT1(intelligent controller 1 of intelligent controller 1), No. 18 pins of low spacing signal pins LMTN(intelligent controller 1) and No. 16 pins of limit signal common port LMTCOM(intelligent controller 1) be connected, the input of the second digital quantity input module PLC5 respectively with gear binary-coded decimal 0th ~ 3 signal output pin (D01 of intelligent controller 1, D02, D04, D08) and common port pin DCOM be connected, the input of the 3rd digital quantity input module PLC6 respectively with gear binary-coded decimal 4th ~ 7 signal output pin (D10 of intelligent controller 1, D20, D40, D80) and common port pin DCOM be connected.In the present embodiment, first digital quantity input module PLC4 specifically adopts Siemens4DI type PLC to realize, and shown in Fig. 3, being only the part pin of the first digital quantity input module PLC4,1,2,3,5,6 of the first digital quantity input module PLC4 constitutes the PLC control loop of the first digital quantity input module PLC4; Second digital quantity input module PLC5 specifically adopts Siemens4DI type PLC to realize, and shown in Fig. 4, being only the part pin of the second digital quantity input module PLC5,1,2,3,5,6 of the second digital quantity input module PLC5 constitutes the PLC control loop of the second digital quantity input module PLC5; 3rd digital quantity input module PLC6 specifically adopts Siemens4DI type PLC to realize, and shown in Fig. 5, being only the part pin of the 3rd digital quantity input module PLC6,1,2,3,5,6 of the 3rd digital quantity input module PLC6 constitutes the PLC control loop of the 3rd digital quantity input module PLC6.Gear binary-coded decimal 0th ~ 3 signal output pins (D01, D02, D04, D08) of intelligent controller 1 are respectively the 7th, 8,9, No. 10 pin of intelligent controller 1; Gear binary-coded decimal 4th ~ 7 signal output pins (D10, D20, D40, D80) of intelligent controller 1 are respectively the 11st, 12,13, No. 14 pin of intelligent controller 1; The splicing ear of the first digital quantity input module PLC4, the second digital quantity input module PLC5 and the 3rd digital quantity input module PLC6 is passive node.
As shown in Figure 6, gear is connected to auxiliary relay KA1 ~ KA4 by the output of the automatic regulation output module 44 of shelves, the upshift of intelligent controller 1 regulates No. 20 pins of pin ACTL(intelligent controller 1) regulate No. 19 pins of common pin ACDCOM(intelligent controller 1 by auxiliary relay KA1 with the gear of intelligent controller) be connected, the downshift of intelligent controller 1 regulates No. 21 pins of pin ACTR(intelligent controller 1) regulate No. 19 pins of common pin ACDCOM(intelligent controller 1 by auxiliary relay KA2 with the gear of intelligent controller) be connected, No. 23 pins of the Long-distance Control pin I-R(intelligent controller 1 of intelligent controller 1) be connected with the control common pin ICOM of intelligent controller by the auxiliary contact of auxiliary relay KA3, this locality of intelligent controller controls No. 25 pins of pin I-L(intelligent controller 1) be connected with the control common pin ICOM of intelligent controller by the auxiliary contact of auxiliary relay KA4.In the present embodiment, gear specifically adopts Siemens4DO type PLC chip to realize by the automatic regulation output module 44 of shelves, the part pin of Siemens4DO is only shown in Fig. 6, auxiliary relay KA1 ~ KA4 constitutes the auxiliary relay control loop of intelligent controller 1, auxiliary relay KA1 regulates for boosting and triggers, auxiliary relay KA2 is used for reduction regulation to be triggered, and auxiliary relay KA3 is used for Long-distance Control to be triggered, and auxiliary relay KA4 is used for local control to be triggered.Gear is passive node by the signal terminal of the output of the automatic regulation output module 44 of shelves.
As shown in Figure 7 and Figure 8, the output output that power subsystem 41 comprises Voltage stabilizing module G1 and core bus power module PLC2, Voltage stabilizing module G1 is connected by the automatic regulation output module 44 of shelves with interface module 42, gear signal acquisition module 43 and gear respectively by core bus power module PLC2.In the present embodiment, it is that 24V voltage exports core bus power module PLC2 to that Voltage stabilizing module G1 is used for the 220V voltage transitions of power frequency supply, core bus power module PLC2 is used for providing outside DC24V working power and internal DC 5V core bus power supply, core bus power module PLC2 specifically adopts SiemensET200S-138 type PLC to realize, and is only the part pin of SiemensET200S-138 type PLC shown in Fig. 8.
As shown in Figure 7, the Voltage stabilizing module G1 in the present embodiment is also serially connected with miniature circuit breaker QF1, and Voltage stabilizing module G1 is connected with power frequency supply (AC220V) by miniature circuit breaker QF1.
As shown in Figure 9, in the present embodiment, interface module 42 specifically adopts SiemensIM151-3PN type PLC to realize, and the power connector end (1M/1L+) of interface module 42 is connected with the output of core bus power module PLC2.
As shown in Figure 10, in the present embodiment, intelligent controller 1 and motor-operating mechanism 2 are equipped with aviation plug, between intelligent controller 1 and motor-operating mechanism 2, cable is connected by aviation plug.See Fig. 9, in the present embodiment, intelligent controller 1 and motor-operating mechanism 2 are provided with aviation plug CX1 and CX2, corresponding aviation plug CX1 and CX2, two groups of cables are provided with altogether between intelligent controller 1 and motor-operating mechanism 2, one group of cable is five-core cable, comprise three phase electric machine driving cable and heating circuit feed cable, another group cable is 26 core cables, comprises tap position signal, level inlet signal, motor drive mechanism operation signal output cable.
In working order, the second digital quantity input module PLC5 and the 3rd digital quantity input module PLC6 gathers current gear information and passes through man-machine interaction unit 3 display translation in real time.The pattern of transferring the files in the present embodiment in man-machine interaction unit 3 interface has manually and automatic two grades, and left side acquiescence gear value is 0, can be increased by boosting and step-down or be reduced the numerical value of this gear value, and with upper limit and lower limit warning function.Under pattern of manually transferring the files, under intelligent controller 1 is in manual mode, after being switched to automatic gear shifting pattern, with current gear information for 0, gear set-point (i.e. target shift figure place) is 55 is example, gear comprises by the execution step of shelves automatic regulation output module 44: (I) gear detects the high limit signal of the high limit signal output pin LMT1 of intelligent controller 1 by the first digital quantity input module PLC4 by shelves automatic regulation output module 44, the low limit signal that low spacing signal pins LMTN exports, if intelligent controller 1 exports without high limit signal and low limit signal, then redirect performs Step II), otherwise, block and send exiting by shelves pressure regulation operating impulse signal under teleoperation mode to intelligent controller 1, (II) gear calculates difference 55 between target shift figure place and current gear information by the automatic regulation output module 44 of shelves, because this difference is just, therefore determines that action type by shelves pressure regulation operation is for increasing gear, arrange for recording the action frequency counter of voltage regulating transformer motor-operating mechanism action frequency and resetting to 0, III) gear judges by shelves pressure regulation operation by the automatic regulation output module 44 of shelves action type, and action type is for increasing gear, and the upshift to intelligent controller 1 regulates pin ACTL output enable signal, IV) by the automatic regulation output module 44 of shelves, gear judges whether the motor-operating mechanism 2 of voltage regulating transformer action occurs, if action occurs the motor-operating mechanism of voltage regulating transformer 2, then action frequency counter is added 1, V) by the automatic regulation output module 44 of shelves, gear judges whether the value of action frequency counter equals 55, if be not equal to 55, then redirect performs Step II I), equal 55 else if, then terminate automatic Regulation and exit, thus achieve automatic gear shifting to 55 rapidly, achieve the automatic Regulation function of many gears transformer, operating process is simple, improves operating efficiency.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.