CN105006193A - Electric power circuit control console for electric power teaching - Google Patents
Electric power circuit control console for electric power teaching Download PDFInfo
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- CN105006193A CN105006193A CN201510508188.5A CN201510508188A CN105006193A CN 105006193 A CN105006193 A CN 105006193A CN 201510508188 A CN201510508188 A CN 201510508188A CN 105006193 A CN105006193 A CN 105006193A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an electric power circuit control console for electric power teaching, which comprises a bottom plate, two bus groups and a suspension beam, wherein the two bus groups are erected on the bottom plate side by side, the bottom plate is further provided with at least one control interval, and each control interval comprises three side-by-side switching circuits; and each switching circuit comprises an insulator, a lightning arrester, a current transformer, an isolation circuit breaker, a vertical isolation switch and a horizontal isolation switch which are sequentially arranged from left to right, and the vertical isolation switch and the horizontal isolation switch correspond to the bus groups respectively. The electric power circuit control console provided by the invention for electric power teaching is not only simple in structure, small in occupied space, flexible in control and convenient to use, but also is convenient for simulating electric power circuit control more visually, thereby enabling teaching to be more visual, and enabling students to learn and understand more easily.
Description
Technical field
The invention belongs to electric power teaching aid technical field, specifically, particularly a kind of power circuit control desk for electric power teaching.
Background technology
At present, along with the fast development of economy, the demand of electric power and the construction scale of power station electrical network also expand increasingly, also increasing to the demand of power domain professional.The teaching of existing power regulation station aspect rests on written explanation and site visit mostly, and written explanation is directly perceived not, be unfavorable for that student understands; And site visit brings impact, there is potential safety hazard not only to the normal operation of power regulation station, and the site visit of large-scale power regulation station is had a glance at mostly, and is unfavorable for the control understanding power circuit intuitively of student.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of power circuit control desk for electric power teaching, makes teaching more directly perceived.
Technical scheme of the present invention is as follows: a kind of power circuit control desk for electric power teaching, comprise two bus groups on base plate of base plate and strung alongside and overarm, each described bus group includes the bus of A, B, C three-phase, grounding switch is equipped with at the two ends of each bus, base plate is also provided with at least one control interval, and the control interval described in each comprises three on-off circuits side by side, on-off circuit described in each comprises the insulator from left to right arranged successively, lightning arrester, current transformer, isolation circuit breakers, vertical isolation switch and horizontal disconnector, the upper end of described insulator is fixing with overarm, wire is connected with in the lower end of insulator, connect with corresponding lightning arrester summation current transformer respectively after the lower end shunting of this wire, current transformer in each on-off circuit, isolation circuit breakers, wire is connected with between vertical isolation switch and horizontal disconnector, and described vertical isolation switch and horizontal disconnector be a corresponding bus group respectively, described horizontal disconnector comprises two static contacts at interval, one of them static contact is connected with corresponding vertical isolation switch by wire, another static contact is connected with corresponding bus by wire,
Power protection and operation circuit power end connect PLC power end, described power protection and operation circuit signal lamp power end connection signal lamp display unit power end, described power protection and operation circuit discharging power end connect discharge switch controller power source end, described power protection and operation circuit digital billboard power end connect digital display board unit power end, described PLC traffic light system end connection signal lamp display unit signal end, described PLC feedback signal terminal connecting analog feedback output unit signal end, described PLC number of operations signal end connects digital display board cell signal end, described discharge switch controller make-and-break signal end connection signal lamp display unit make-and-break signal end, described discharge switch controller control signal end connects described PLC control signal end, described discharge switch controller is used for switch and carries out spark discharge operation in moving process.
Described vertical isolation switch comprises and is arranged on left porcelain vase above base plate and right porcelain vase side by side, the first installing plate of level is connected with between described left porcelain vase and the upper end of right porcelain vase, the upper end of described left porcelain vase is passed the first installing plate and is fixed with the first connecting lever of level, the first link arm is had away from one end of left porcelain vase by universal joint articulated at described first connecting lever, described first link arm is hinged by one end of universal joint and the second connecting lever away from one end of the first connecting lever, the other end of described second connecting lever is solidly set on the first bearing pin of level, described first bearing pin is arranged on the first installing plate by riser, described first bearing pin is also installed with mounting blocks, described mounting blocks is fixed with lower prop, and be hinged with mandrel at described lower prop away from one end of mounting blocks, described mandrel is set with upper prop, extension spring is connected with between upper prop and mandrel, the first link gear is connected with between described mandrel and lower prop, second link gear is installed between described mandrel and upper prop, at least one vertical isolation switch within each control interval is provided with the first drive unit be connected with left porcelain vase, under the driving of the first drive unit, described left porcelain vase rotates, the first connecting lever is driven to rotate, promote the first link arm, second connecting lever and mounting blocks, lower prop is upwards rotated, mandrel upwards rotates under the effect of the first link gear simultaneously, and upper prop moves to the direction away from mandrel under the effect of the second link gear, the upper end of upper prop is connected with respective bus bars.
Described left porcelain vase and right porcelain vase are arranged on above base plate by the first rotating shaft, the first column and the second installing plate, described second installing plate level is arranged between the upper end of the first rotating shaft and the first column, described left porcelain vase and right porcelain vase are all connected on the second installing plate, and the lower end of described left porcelain vase is coaxially fixed through the second installing plate and the first rotating shaft; One of them vertical isolation switch within each control interval is provided with the first drive unit be connected with left porcelain vase, described first drive unit comprises the first rotating shaft, fixed cover, the first bevel gear, the second bevel gear and motor, the lower end of installing first rotating shaft corresponding to left porcelain vase of the first drive unit is passed base plate from top to bottom and is fixed with coaxial fixed cover and the first bevel gear, in the below of described base plate, motor is installed, the output shaft of described motor is installed with the second bevel gear, and described second bevel gear engages with the first bevel gear; Three within each control interval described left porcelain vase lower ends are all fixed with interlock dish, are connected with the first gangbar of level between three described interlock dishes; When electric machine rotation, described first rotating shaft and the first gangbar drive three left porcelain vases to rotate simultaneously; Described fixed cover is fixed with close to bar, in the below of described base plate, proximity switch is installed, described proximity switch be positioned at sustained height close to bar.
Described mandrel is by upper hinge and lower hinge on lower prop, and described upper hinge and mandrel are fixed, and are fixedly equipped with the second bearing pin on upper hinge, and described lower hinge and lower prop are fixed, and lower hinge is on the second bearing pin, described first link gear comprises fixed head, second link arm, 3rd connecting lever, 3rd bearing pin, gear wheel and pinion wheel, the outside that riser is close to by described fixed head is fixed, the second link arm is had at the upper end thereof of fixed head, described second link arm away from one end of fixed head and one end of the 3rd connecting lever hinged, the other end of described 3rd connecting lever is fixed on the 3rd bearing pin, described 3rd bearing pin is arranged on lower hinge, described 3rd bearing pin is also installed with gear wheel, described second bearing pin is installed with pinion wheel, described pinion wheel engages with gear wheel, when lower prop upwards rotates, described second link arm promotes the 3rd connecting lever, 3rd bearing pin and bull gear drive, drive pinion wheel, second bearing pin, upper hinge and mandrel rotate.
Described second link gear comprises push rod, orienting sleeve and jacking block, described orienting sleeve is fixed on upper hinge, is inserted with the push rod coaxially arranged with upper prop in orienting sleeve, and upper end and the upper prop of described push rod are fixed, the lower end of push rod and the end face of jacking block offset, described jacking block is fixed on lower hinge, and when mandrel upwards rotates, push rod and jacking block offset, upper prop is passed to the direction away from mandrel, when mandrel rotates, under the effect of extension spring, upper prop moves to the direction near mandrel.
Described horizontal disconnector comprises and is arranged on first crossbeam above base plate by two second columns, the first vertical porcelain vase is all fixed with at the two ends, left and right of described first crossbeam, static contact and first leg cap is fixed with in the upper end of described first porcelain vase, at the middle part of described first crossbeam, vertical locating shaft is installed, there is the second porcelain vase at the top kink of described locating shaft, be fixed with the shaft-like moving contact of level in the upper end of described second porcelain vase, be fixed with the push-and-pull dish of level in the lower end of described second porcelain vase, between three within each control interval described push-and-pull dishes, be connected with the second gangbar of level, each control interval one of them described in push-and-pull dish is also hinged with connecting rod in level, the other end of described middle connecting rod and the 4th connecting lever of level hinged, the described other end of the 4th connecting lever and the upper end of the second rotating shaft are fixed, described second rotating shaft is vertically arranged between first crossbeam and base plate, and the upper end of the second rotating shaft is fixed through first crossbeam and the 4th connecting lever, second rotating shaft lower end is passed base plate and is provided with the second drive unit, under the driving of the second drive unit and the effect of the second gangbar, described second axis of rotation, pull the 4th connecting lever and middle connecting rod, drive push-and-pull dish, second porcelain vase and moving contact rotate, the two ends of moving contact are contacted with corresponding static contact, the structure of described second drive unit is identical with the structure of the first drive unit.
Within each control interval, the 3rd rotating shaft is also installed between one of them first crossbeam and base plate, the upper end of described 3rd rotating shaft is fixed through the 5th connecting lever of first crossbeam and level, the other end of described 5th connecting lever and one end of short connecting rod hinged, the other end of described short connecting rod is hinged by one end of universal joint and the 6th connecting lever, the other end of described 6th connecting lever is fixed on the first connecting shaft, described first connecting shaft level is arranged between three first crossbeams in each control interval, and the first connecting shaft and first crossbeam are mutually vertical, described first connecting shaft is also fixed with and first crossbeam ground connection knife bar one to one, the lower end of described 3rd rotating shaft is passed base plate and is provided with the 3rd drive unit, under the driving of the 3rd drive unit, described 3rd axis of rotation, pull the 5th connecting lever, short connecting rod and the 6th connecting lever to rotate, drive the first connecting shaft and three ground connection knife bars to rotate, each ground connection knife bar is contacted with corresponding first leg cap, the structure of described 3rd drive unit is identical with the structure of the first drive unit.
Described bus is erected on base plate by support, described support comprises and is suspended at the horizontal second cross beam above base plate by the 3rd column and is arranged on three the 3rd porcelain vases on second cross beam side by side, three buses in each bus group are separately fixed at the 3rd corresponding porcelain vase upper end, and each the 3rd porcelain vase upper end on outermost second cross beam is also fixed with the second leg cap connected with corresponding bus, second cross beam described in outermost is also provided with the second connecting shaft, the described center line of the second connecting shaft and the centerline parallel of second cross beam, grounding switch corresponding to described bus two ends is fixed on the second connecting shaft, described second connecting shaft is also installed with the 7th connecting lever, the lower end of described 7th connecting lever and one end of connecting link hinged, one end of the other end of described connecting link and level the 8th connecting lever is hinged, the other end of described 8th connecting lever is fixed on the upper end of the 4th rotating shaft, described 4th rotating shaft is arranged between base plate and second cross beam, described 4th rotating shaft is provided with four-drive device, under the driving of four-drive device, second connecting shaft rotates, grounding switch is driven upwards to rotate, the upper end of grounding switch is contacted with corresponding second leg cap, the structure of described four-drive device is identical with the structure of the first drive unit.
At the top of described isolation circuit breakers, pilot lamp is installed.
The described power circuit control desk for electric power teaching, is characterized in that: also comprise remote control unit and signal conversion unit;
Described remote control unit control signal end connects PLC signal control end, described remote control unit carries out signal control operation by intelligent terminal, described signal conversion unit connects PLC signal control end, carries out signal conversion operations by signal conversion unit.
Said structure in use, when vertical isolation switch closes with corresponding bus, horizontal disconnector disconnects, and the grounding switch of the corresponding bus of horizontal disconnector closes, the bus group that now vertical isolation Switch Controller is answered is in work, and the bus group that horizontal disconnector is corresponding can be overhauled; When horizontal disconnector closes with corresponding bus, vertical isolation switch disconnects, and vertical isolation Switch Controller answers the grounding switch of bus to close, the bus group that now horizontal disconnector is corresponding is in work, and the bus group that vertical isolation Switch Controller is answered can be overhauled.Thus provide a kind of power circuit control desk for electric power teaching, not only structure simple, take up room little, control flexible, easy to use, and be convenient to simulate power circuit control more intuitively, make teaching more directly perceived, study, the understanding of student are lighter.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A cut-open view of Fig. 1.
Fig. 3 is the structural representation of vertical isolation switch.
Fig. 4 is the B-B cut-open view of Fig. 3.
Fig. 5 is the C-C cut-open view of Fig. 3.
Fig. 6 is the right view of lower prop and above structure thereof in Fig. 3.
Fig. 7 is lower prop, syndeton schematic diagram between mandrel and upper prop.
Fig. 8 is the structural representation of horizontal disconnector.
Fig. 9 is the D direction view in Fig. 8.
Figure 10 is the E-E cut-open view of Fig. 8.
Figure 11 is the mounting structure schematic diagram of bus and grounding switch.
Figure 12 is the F-F cut-open view of Figure 11.
Figure 13 is power circuit schematic diagram;
Figure 14 is integrated circuit schematic diagram of the present invention.
Embodiment
Be described below in detail embodiments of the invention, described embodiment example is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by embodiment is described with reference to the drawings, be intended to explain the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it should be noted that, for the noun of locality, if any term " " center ", " transverse direction ", " longitudinal direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", indicating positions such as " counterclockwise " and position relationship are based on orientation shown in the drawings or position relationship, only for the ease of describing the present invention and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with particular orientation structure and operation, should not be construed as restriction concrete protection domain of the present invention.In addition, if any term " first ", " second " only for describing object, and instruction or hint relative importance can not be interpreted as or imply the quantity indicating technical characteristic.
In the present invention, except as otherwise clear stipulaties and restriction, should go to understand as broad sense if any the term such as term " assembling ", " being connected ", " connection ", " fixing ", such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Also can be mechanical connection, also can be electrical connection; Can be directly be connected, also can be connected by intermediary, can be that two element internals are connected.For those of ordinary skills, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In invention, unless otherwise prescribed and limit, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " under " and " above " comprise fisrt feature directly over second feature and oblique upper, or be only represent the height of fisrt feature level height higher than second feature.Fisrt feature second feature " on ", " under " and " below " comprise fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is lower than second feature.
Below in conjunction with accompanying drawing, by being further described the specific embodiment of the present invention, make technical scheme of the present invention and beneficial effect thereof clearly, clearly.
As shown in Figures 1 to 12, the present invention includes base plate 4 and two the bus groups of strung alongside on base plate 4 and hang oneself from a beam 3, each described bus group includes the bus 1 of A, B, C three-phase, grounding switch 2 is equipped with at the two ends of each bus 1, base plate 4 is also provided with at least one control interval Q, and control interval Q described in each comprises three on-off circuit K side by side, on-off circuit K described in each comprises the insulator 5 from left to right arranged successively, lightning arrester I, current transformer II, isolation circuit breakers III, vertical isolation switch IV and horizontal disconnector V, the upper end of described insulator 5 is fixed with overarm 3, wire 42 is connected with in the lower end of insulator 5, connect with corresponding lightning arrester I summation current transformer II respectively after the lower end shunting of this wire 42, current transformer II in each on-off circuit K, isolation circuit breakers III, wire is connected with between vertical isolation switch IV and horizontal disconnector V, and described vertical isolation switch IV and horizontal disconnector V be a corresponding bus group respectively, described horizontal disconnector V comprises two static contacts 52 at interval, one of them static contact 52 is connected with corresponding vertical isolation switch IV by wire, another static contact 52 is connected with corresponding bus 1 by wire.
As shown in Figures 1 to 12, described vertical isolation switch IV comprises and is arranged on left porcelain vase 17 above base plate 4 and right porcelain vase 18 side by side, the first installing plate 19 of level is connected with between described left porcelain vase 17 and the upper end of right porcelain vase 18, the upper end of described left porcelain vase 17 is passed the first installing plate 19 and is fixed with the first connecting lever 20 of level, the first link arm 21 is had away from one end of left porcelain vase 17 by universal joint articulated at described first connecting lever 20, described first link arm 21 is hinged by one end of universal joint and the second connecting lever 22 away from one end of the first connecting lever 20, the other end of described second connecting lever 22 is solidly set on the first bearing pin 23 of level, described first bearing pin 23 is arranged on the first installing plate 19 by riser 24, described first bearing pin 23 is also installed with mounting blocks 40, described mounting blocks 40 is fixed with lower prop 37, and be hinged with mandrel 31 at described lower prop 37 away from one end of mounting blocks 40, described mandrel 31 is set with upper prop 30, extension spring 29 is connected with between upper prop 30 and mandrel 31, the first link gear is connected with between described mandrel 31 and lower prop 37, between described mandrel 31 and upper prop 30, second link gear is installed, at least one vertical isolation switch IV in each control interval Q is provided with the first drive unit be connected with left porcelain vase 17, under the driving of the first drive unit, described left porcelain vase 17 rotates, the first connecting lever 20 is driven to rotate, promote the first link arm 21, second connecting lever 22 and mounting blocks 40, lower prop 37 is upwards rotated, mandrel 31 upwards rotates under the effect of the first link gear simultaneously, and upper prop 30 moves to the direction away from mandrel 31 under the effect of the second link gear, the upper end of upper prop 30 is connected with respective bus bars 1.
As shown in Figures 1 to 12, described left porcelain vase 17 and right porcelain vase 18 are arranged on above base plate 4 by the first rotating shaft 12, first column 13 and the second installing plate 14, described second installing plate 14 level is arranged between the first rotating shaft 12 and the upper end of the first column 13, described left porcelain vase 17 and right porcelain vase 18 are all connected on the second installing plate 14, and the lower end of described left porcelain vase 17 is coaxially fixed through the second installing plate 14 and the first rotating shaft 12, one of them vertical isolation switch IV in each control interval Q is provided with the first drive unit be connected with left porcelain vase 17, described first drive unit comprises the first rotating shaft 12, fixed cover 9, first bevel gear 8, second bevel gear 7 and motor 6, the lower end of installing first rotating shaft 12 corresponding to left porcelain vase 17 of the first drive unit is passed base plate 4 from top to bottom and is fixed with coaxial fixed cover 9 and the first bevel gear 8, in the below of described base plate 4, motor 6 is installed, the output shaft of described motor 6 is installed with the second bevel gear 7, described second bevel gear 7 engages with the first bevel gear 8, three in each control interval Q described left porcelain vase 17 lower ends are all fixed with the first gangbar 16 being connected with level between interlock dish 15, three described interlock dishes 15, when motor 6 rotates, described first rotating shaft 12 and the first gangbar 16 drive three left porcelain vases 17 to rotate simultaneously, described fixed cover 9 is fixed with close to bar 10, in the below of described base plate 4, proximity switch 11 is installed, described proximity switch 11 be positioned at sustained height close to bar 10.
As shown in Figures 1 to 12, described mandrel 31 is hinged on lower prop 37 by upper hinge 28 and lower hinge 35, described upper hinge 28 is fixed with mandrel 31, and on upper hinge 28, be fixedly equipped with the second bearing pin 26, described lower hinge 35 is fixed with lower prop 37, and lower hinge 35 is hinged on the second bearing pin 26, described first link gear comprises fixed head 39, second link arm 38, 3rd connecting lever 41, 3rd bearing pin 25, gear wheel 36 and pinion wheel 27, the outside that riser 24 is close to by described fixed head 39 is fixed, the second link arm 38 is had at the upper end thereof of fixed head 39, described second link arm 38 away from one end of fixed head 39 and one end of the 3rd connecting lever 41 hinged, the other end of described 3rd connecting lever 41 is fixed on the 3rd bearing pin 25, described 3rd bearing pin 25 is arranged on lower hinge 35, described 3rd bearing pin 25 is also installed with gear wheel 36, described second bearing pin 26 is installed with pinion wheel 27, described pinion wheel 27 engages with gear wheel 36, when lower prop 37 upwards rotates, described second link arm 38 promotes the 3rd connecting lever 41, 3rd bearing pin 25 and gear wheel 36 rotate, drive pinion wheel 27, second bearing pin 26, upper hinge 28 and mandrel 31 rotate.
As shown in Figures 1 to 12, described second link gear comprises push rod 32, orienting sleeve 33 and jacking block 34, described orienting sleeve 33 is fixed on upper hinge 28, the push rod 32 coaxially arranged with upper prop 30 is inserted with in orienting sleeve 33, upper end and the upper prop 30 of described push rod 32 are fixed, the lower end of push rod 32 and the end face of jacking block 34 offset, described jacking block 34 is fixed on lower hinge 35, when mandrel 31 upwards rotates, push rod 32 and jacking block 34 offset, upper prop 30 is passed to the direction away from mandrel 31, when mandrel 31 rotates, under the effect of extension spring 29, upper prop 30 moves to the direction near mandrel 31.
As shown in Figures 1 to 12, described horizontal disconnector comprises and is arranged on first crossbeam 46 above base plate 4 by two second columns 43, the first vertical porcelain vase 50 is all fixed with at the two ends, left and right of described first crossbeam 46, static contact 52 and first leg cap 60 is fixed with in the upper end of described first porcelain vase 50, at the middle part of described first crossbeam 46, vertical locating shaft 45 is installed, there is the second porcelain vase 51 at the top kink of described locating shaft 45, be fixed with the shaft-like moving contact of level 53 in the upper end of described second porcelain vase 51, be fixed with the push-and-pull dish 47 of level in the lower end of described second porcelain vase 51, between three in each control interval Q described push-and-pull dishes 47, be connected with the second gangbar 54 of level, each control interval Q one of them described in push-and-pull dish 47 is also hinged with connecting rod 49 in level, the other end of described middle connecting rod 49 and the 4th connecting lever 48 of level hinged, the other end of described 4th connecting lever 48 and the upper end of the second rotating shaft 44 are fixed, described second rotating shaft 44 is vertically arranged between first crossbeam 46 and base plate 4, and the upper end of the second rotating shaft 44 is fixed through first crossbeam 46 and the 4th connecting lever 48, second rotating shaft 44 lower end is passed base plate 4 and is provided with the second drive unit, under the driving of the second drive unit and the effect of the second gangbar 54, described second rotating shaft 44 is rotated, pull the 4th connecting lever 48 and middle connecting rod 49, drive push-and-pull dish 47, second porcelain vase 51 and moving contact 53 rotate, the two ends of moving contact 53 are contacted with corresponding static contact 52, the structure of described second drive unit is identical with the structure of the first drive unit.
As shown in Figures 1 to 12, in each control interval Q, between one of them first crossbeam 46 and base plate 4, the 3rd rotating shaft 59 is also installed, the upper end of described 3rd rotating shaft 59 is fixed through the 5th connecting lever 56 of first crossbeam 46 with level, the other end of described 5th connecting lever 56 and one end of short connecting rod 57 hinged, the other end of described short connecting rod 57 is hinged by one end of universal joint and the 6th connecting lever 58, the other end of described 6th connecting lever 58 is fixed on the first connecting shaft 61, described first connecting shaft 61 level is arranged between three first crossbeams 46 in each control interval Q, and the first connecting shaft 61 is mutually vertical with first crossbeam 46, described first connecting shaft 61 is also fixed with and first crossbeam 46 ground connection knife bar 55 one to one, the lower end of described 3rd rotating shaft 59 is passed base plate 4 and is provided with the 3rd drive unit, under the driving of the 3rd drive unit, described 3rd rotating shaft 59 is rotated, pull the 5th connecting lever 56, short connecting rod 57 and the 6th connecting lever 58 to rotate, drive the first connecting shaft 61 and three ground connection knife bars 55 to rotate, each ground connection knife bar 55 is contacted with corresponding first leg cap 60, the structure of described 3rd drive unit is identical with the structure of the first drive unit.
As shown in Figures 1 to 12, described bus 1 is erected on base plate 4 by support, described support comprises and is suspended at the horizontal second cross beam 64 above base plate 4 by the 3rd column 62 and is arranged on three the 3rd porcelain vases 66 on second cross beam 64 side by side, three buses 1 in each bus group are separately fixed at the 3rd corresponding porcelain vase 66 upper end, and each the 3rd porcelain vase 66 upper end on outermost second cross beam 64 is also fixed with the second leg cap 67 connected with corresponding bus 1, second cross beam described in outermost 64 is also provided with the second connecting shaft 65, the described center line of the second connecting shaft 65 and the centerline parallel of second cross beam 64, grounding switch 2 corresponding to described bus 1 two ends is fixed on the second connecting shaft 65, described second connecting shaft 65 is also installed with the 7th connecting lever 68, the lower end of described 7th connecting lever 68 and one end of connecting link 69 hinged, the other end of described connecting link 69 and one end of level the 8th connecting lever 70 hinged, the other end of described 8th connecting lever 70 is fixed on the upper end of the 4th rotating shaft 63, described 4th rotating shaft 63 is arranged between base plate 4 and second cross beam 64, described 4th rotating shaft 63 is provided with four-drive device, under the driving of four-drive device, second connecting shaft 65 rotates, grounding switch 2 is driven upwards to rotate, the upper end of grounding switch 2 is contacted with corresponding second leg cap 67, the structure of described four-drive device is identical with the structure of the first drive unit.At the top of described isolation circuit breakers, pilot lamp 71 is installed.
As shown in Figure 13,14, a kind of power circuit control desk for electric power teaching of the present invention, it comprises: PLC, power protection and operation circuit, traffic light system unit, discharge switch controller, analog feedback output unit, numerical monitor see Slab element;
Power protection and operation circuit power end connect PLC power end, described power protection and operation circuit signal lamp power end connection signal lamp display unit power end, described power protection and operation circuit discharging power end connect discharge switch controller power source end, described power protection and operation circuit digital billboard power end connect digital display board unit power end, described PLC traffic light system end connection signal lamp display unit signal end, described PLC feedback signal terminal connecting analog feedback output unit signal end, described PLC number of operations signal end connects digital display board cell signal end, described discharge switch controller make-and-break signal end connection signal lamp display unit make-and-break signal end, described discharge switch controller control signal end connects described PLC control signal end, described discharge switch controller is used for switch and carries out spark discharge operation in moving process.
The beneficial effect of technique scheme is: charge/discharge control circuit is safe and reliable; Charge/discharge control circuit can carry out controlled discharge according to disconnecting link opening and closing lock; Charge/discharge control circuit generation electric spark, makes contact moving process more lively directly perceived.
The described power circuit control desk for electric power teaching, preferably, also comprises the local control module of control flow;
Described control flow local control module control signal end connects PLC control signal end, and the local control module of described control flow arranges touch modules, for user by touch modules sending controling instruction signal.
The beneficial effect of technique scheme is: controlled charge/discharge control circuit by the local control module of control flow, user sends instruction by touch modules.
The described power circuit control desk for electric power teaching, preferably, also comprises remote control unit and signal conversion unit;
Described remote control unit control signal end connects PLC signal control end, described remote control unit carries out signal control operation by intelligent terminal, described signal conversion unit connects PLC signal control end, carries out signal conversion operations by signal conversion unit.
The beneficial effect of technique scheme is: carry out control of discharge by remote control unit to charge/discharge control circuit.
The described power circuit control desk for electric power teaching, preferably, also comprises horizontal disconnector and vertical isolation switch;
Described discharge switch controller horizontal signal end connects horizontal disconnector signal end, and described discharge switch controller vertical signal end connects vertical isolation switch.
The described power circuit control desk for electric power teaching, preferably, also comprises the first grounding switch and the second grounding switch;
Described first grounding switch control signal end connects discharge switch controller signals end, and described second grounding switch control signal end connects discharge switch controller signals end.
The beneficial effect of technique scheme is: by grounding switch in model cutter control.
The described power circuit control desk for electric power teaching, preferably, also comprises: the first spark generator, the first electronic proximity switch, the first synchronous motor, the second spark generator, the second electronic proximity switch and the second synchronous motor;
Described horizontal disconnector arranges the first spark generator and the first electronic proximity switch, described first synchronous motor signal end connects discharge switch controller signals end, described discharge switch controller controls the first synchronous motor and runs, thus the motion of level of control disconnector, described first spark generator signal end connects discharge switch controller spark signal end, described first electronic proximity switch signal end connects discharge switch controller switches signal end, described vertical isolation switch-linear hybrid second spark generator and the second electronic proximity switch, described second synchronous motor signal end connects discharge switch controller signals end, described discharge switch controller controls the second synchronous motor and runs, thus control vertical isolation switching movements, described second spark generator signal end connects discharge switch controller spark signal end, described second electronic proximity switch signal end connects discharge switch controller switches signal end.
The beneficial effect of technique scheme is: when horizontal disconnector and vertical isolation switch are by synchronous motor brought into motion, and when carrying out closing a floodgate and open a sluice gate operation, spark generator carries out discharge spark operation.
The described power circuit control desk for electric power teaching, preferably, also comprises the 3rd synchronous motor, the 3rd electronic proximity switch, the 4th synchronous motor and the 4th electronic proximity switch;
Described first grounding switch arranges the 3rd synchronous motor and the 3rd electronic proximity switch, described 3rd synchronous motor signal end connects discharge switch controller signals end, described 3rd electronic proximity switch signal end connects discharge switch controller switches signal end, described second grounding switch arranges the 4th synchronous motor and the 4th electronic proximity switch, described 4th synchronous motor signal end connects discharge switch controller signals end, and described 4th electronic proximity switch signal end connects discharge switch controller switches signal end.
The beneficial effect of technique scheme is: by synchronous motor and electronic proximity switch, and control synchronization motor closes a floodgate to electronic proximity switch, open a sluice gate operation.
The described power circuit control desk for electric power teaching, preferably, also comprises 24V output interface plate;
Described 24V output interface plate input signal end connects PLC, described 24V output interface plate output signal end connection signal lamp display unit signal end, and described 24V output interface plate output signal end is connecting analog feedback output unit signal end also.
The beneficial effect of technique scheme is: the instruction of PLC can be sent to analog feedback output unit accurately by output interface plate.
The described power circuit control desk for electric power teaching, preferably, 5V input interface plate;
Described 5V input interface partitioned signal input end connection control shields local control module signal end, and described 5V input interface plate local control signal output terminal connects PLC signal end.
The beneficial effect of technique scheme is: the instruction of local for control flow control module can be sent to PLC accurately by input interface plate.
The described power circuit control desk for electric power teaching, preferably, described PLC is FX2N-128MR-001.
The beneficial effect of technique scheme is: this PLC device is functional, stable, is suitable for long-time in the middle of teaching use.
Described touch modules is preferably ET010;
Input interface plate is that MR-8/5V is with remote control;
Output interface plate is MR-8/24V;
Imitation screen signal lamp is 12VLED.
The beneficial effect of circuit is:
(1) discharge loop is safe and reliable.
(2) discharge loop can carry out controlled discharge according to disconnecting link opening and closing lock.
(3) discharge loop generation electric spark, makes contact moving process more lively directly perceived.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. the power circuit control desk for electric power teaching, it is characterized in that: comprise two bus groups on base plate (4) of base plate (4) and strung alongside and overarm (3), each described bus group includes the bus (1) of A, B, C three-phase, grounding switch (2) is equipped with at the two ends of each bus (1), base plate (4) is also provided with at least one control interval (Q), and the control interval described in each (Q) comprises three on-off circuits (K) side by side, on-off circuit described in each (K) comprises the insulator (5) from left to right arranged successively, lightning arrester (I), current transformer (II), isolation circuit breakers (III), vertical isolation switch (IV) and horizontal disconnector (V), the upper end of described insulator (5) and overarm (3) are fixed, wire (42) is connected with in the lower end of insulator (5), connect with corresponding lightning arrester (I) summation current transformer (II) respectively after the lower end shunting of this wire (42), current transformer (II) in each on-off circuit (K), isolation circuit breakers (III), wire is connected with between vertical isolation switch (IV) and horizontal disconnector (V), and described vertical isolation switch (IV) and horizontal disconnector (V) be a corresponding bus group respectively, described horizontal disconnector (V) comprises two static contacts (52) at interval, one of them static contact (52) is connected with corresponding vertical isolation switch (IV) by wire, another static contact (52) is connected with corresponding bus (1) by wire,
Power protection and operation circuit power end connect PLC power end, described power protection and operation circuit signal lamp power end connection signal lamp display unit power end, described power protection and operation circuit discharging power end connect discharge switch controller power source end, described power protection and operation circuit digital billboard power end connect digital display board unit power end, described PLC traffic light system end connection signal lamp display unit signal end, described PLC feedback signal terminal connecting analog feedback output unit signal end, described PLC number of operations signal end connects digital display board cell signal end, described discharge switch controller make-and-break signal end connection signal lamp display unit make-and-break signal end, described discharge switch controller control signal end connects described PLC control signal end, described discharge switch controller is used for switch and carries out spark discharge operation in moving process.
2. according to claim 1 for the power circuit control desk of electric power teaching, it is characterized in that: described vertical isolation switch (IV) comprises the left porcelain vase (17) and right porcelain vase (18) that are arranged on base plate (4) top side by side, first installing plate (19) of level is connected with between described left porcelain vase (17) and the upper end of right porcelain vase (18), the upper end of described left porcelain vase (17) is passed the first installing plate (19) and is fixed with first connecting lever (20) of level, the first link arm (21) is had away from one end of left porcelain vase (17) by universal joint articulated described first connecting lever (20), described first link arm (21) is hinged by one end of universal joint and the second connecting lever (22) away from one end of the first connecting lever (20), the other end of described second connecting lever (22) is solidly set on first bearing pin (23) of level, described first bearing pin (23) is arranged on the first installing plate (19) by riser (24), described first bearing pin (23) is also installed with mounting blocks (40), described mounting blocks (40) is fixed with lower prop (37), and be hinged with mandrel (31) at described lower prop (37) away from one end of mounting blocks (40), described mandrel (31) is set with upper prop (30), extension spring (29) is connected with between upper prop (30) and mandrel (31), the first link gear is connected with between described mandrel (31) and lower prop (37), between described mandrel (31) and upper prop (30), the second link gear is installed, at least one vertical isolation switch (IV) within each control interval (Q) is provided with the first drive unit be connected with left porcelain vase (17), under the driving of the first drive unit, described left porcelain vase (17) is rotated, the first connecting lever (20) is driven to rotate, promote the first link arm (21), second connecting lever (22) and mounting blocks (40), lower prop (37) is upwards rotated, mandrel (31) upwards rotates under the effect of the first link gear simultaneously, and upper prop (30) moves to the direction away from mandrel (31) under the effect of the second link gear, the upper end of upper prop (30) is connected with respective bus bars (1).
3. according to claim 2 for the power circuit control desk of electric power teaching, it is characterized in that: described left porcelain vase (17) and right porcelain vase (18) are by the first rotating shaft (12), first column (13) and the second installing plate (14) are arranged on base plate (4) top, described second installing plate (14) level is arranged between the upper end of the first rotating shaft (12) and the first column (13), described left porcelain vase (17) and right porcelain vase (18) are all connected on the second installing plate (14), and the lower end of described left porcelain vase (17) is coaxially fixed through the second installing plate (14) and the first rotating shaft (12), one of them vertical isolation switch (IV) within each control interval (Q) is provided with the first drive unit be connected with left porcelain vase (17), described first drive unit comprises the first rotating shaft (12), fixed cover (9), first bevel gear (8), second bevel gear (7) and motor (6), the lower end of installing first rotating shaft (12) corresponding to left porcelain vase (17) of the first drive unit is passed base plate (4) from top to bottom and is fixed with coaxial fixed cover (9) and the first bevel gear (8), in the below of described base plate (4), motor (6) is installed, the output shaft of described motor (6) is installed with the second bevel gear (7), described second bevel gear (7) is engaged with the first bevel gear (8), three within each control interval (Q) described left porcelain vase (17) lower ends are all fixed with interlock dish (15), are connected with first gangbar (16) of level between three described interlock dishes (15), when motor (6) rotates, described first rotating shaft (12) and the first gangbar (16) drive three left porcelain vases (17) to rotate simultaneously, described fixed cover (9) is fixed with close to bar (10), in the below of described base plate (4), proximity switch (11) is installed, described proximity switch (11) be positioned at sustained height close to bar (10).
4. according to claim 3 for the power circuit control desk of electric power teaching, it is characterized in that: described mandrel (31) is hinged on lower prop (37) by upper hinge (28) and lower hinge (35), described upper hinge (28) is fixed with mandrel (31), and be above fixedly equipped with the second bearing pin (26) at upper hinge (28), described lower hinge (35) is fixed with lower prop (37), and lower hinge (35) is hinged on the second bearing pin (26), described first link gear comprises fixed head (39), second link arm (38), 3rd connecting lever (41), 3rd bearing pin (25), gear wheel (36) and pinion wheel (27), the outside that riser (24) is close to by described fixed head (39) is fixed, the second link arm (38) is had at the upper end thereof of fixed head (39), described second link arm (38) away from one end of fixed head (39) and one end of the 3rd connecting lever (41) hinged, the other end of described 3rd connecting lever (41) is fixed on the 3rd bearing pin (25), described 3rd bearing pin (25) is arranged on lower hinge (35), described 3rd bearing pin (25) is also installed with gear wheel (36), described second bearing pin (26) is installed with pinion wheel (27), described pinion wheel (27) engages with gear wheel (36), when lower prop (37) upwards rotates, described second link arm (38) promotes the 3rd connecting lever (41), 3rd bearing pin (25) and gear wheel (36) rotate, drive pinion wheel (27), second bearing pin (26), upper hinge (28) and mandrel (31) rotate.
5. according to claim 4 for the power circuit control desk of electric power teaching, it is characterized in that: described second link gear comprises push rod (32), orienting sleeve (33) and jacking block (34), described orienting sleeve (33) is fixed on upper hinge (28), the push rod (32) coaxially arranged with upper prop (30) is inserted with in orienting sleeve (33), the upper end of described push rod (32) and upper prop (30) are fixed, the lower end of push rod (32) and the end face of jacking block (34) offset, described jacking block (34) is fixed on lower hinge (35), when mandrel (31) upwards rotates, push rod (32) and jacking block (34) offset, upper prop (30) is passed to the direction away from mandrel (31), when mandrel (31) rotates, under the effect of extension spring (29), upper prop (30) moves to the direction near mandrel (31).
6. according to claim 3 or 4 or 5 for electric power teaching power circuit control desk, it is characterized in that: described horizontal disconnector comprises the first crossbeam (46) being arranged on base plate (4) top by two second columns (43), vertical the first porcelain vase (50) is all fixed with at the two ends, left and right of described first crossbeam (46), static contact (52) and first leg cap (60) is fixed with in the upper end of described first porcelain vase (50), at the middle part of described first crossbeam (46), vertical locating shaft (45) is installed, the second porcelain vase (51) is had at the top kink of described locating shaft (45), the shaft-like moving contact of level (53) is fixed with in the upper end of described second porcelain vase (51), be fixed with the push-and-pull dish (47) of level in the lower end of described second porcelain vase (51), between three within each control interval (Q) described push-and-pull dishes (47), be connected with second gangbar (54) of level, each control interval (Q) one of them described in push-and-pull dish (47) is also hinged with the middle connecting rod (49) of level, the other end of described middle connecting rod (49) and the 4th connecting lever (48) of level hinged, the described other end of the 4th connecting lever (48) and the upper end of the second rotating shaft (44) are fixed, described second rotating shaft (44) is vertically arranged between first crossbeam (46) and base plate (4), and the upper end of the second rotating shaft (44) is fixed through first crossbeam (46) and the 4th connecting lever (48), second rotating shaft (44) lower end is passed base plate (4) and is provided with the second drive unit, under the driving of the second drive unit and the effect of the second gangbar (54), described second rotating shaft (44) is rotated, pull the 4th connecting lever (48) and middle connecting rod (49), drive push-and-pull dish (47), second porcelain vase (51) and moving contact (53) rotate, the two ends of moving contact (53) are contacted with corresponding static contact (52), the structure of described second drive unit is identical with the structure of the first drive unit.
7. according to claim 6 for the power circuit control desk of electric power teaching, it is characterized in that: one of them first crossbeam (46) within each control interval (Q) and be also provided with the 3rd rotating shaft (59) between base plate (4), the upper end of described 3rd rotating shaft (59) is fixed through the 5th connecting lever (56) of first crossbeam (46) with level, the other end of described 5th connecting lever (56) and one end of short connecting rod (57) hinged, the other end of described short connecting rod (57) is hinged by one end of universal joint and the 6th connecting lever (58), the other end of described 6th connecting lever (58) is fixed on the first connecting shaft (61), described first connecting shaft (61) level is arranged between three first crossbeams (46) in each control interval (Q), and the first connecting shaft (61) is mutually vertical with first crossbeam (46), described first connecting shaft (61) is also fixed with and first crossbeam (46) ground connection knife bar (55) one to one, the lower end of described 3rd rotating shaft (59) is passed base plate (4) and is provided with the 3rd drive unit, under the driving of the 3rd drive unit, described 3rd rotating shaft (59) is rotated, pull the 5th connecting lever (56), short connecting rod (57) and the 6th connecting lever (58) to rotate, drive the first connecting shaft (61) and three ground connection knife bars (55) to rotate, each ground connection knife bar (55) is contacted with corresponding first leg cap (60), the structure of described 3rd drive unit is identical with the structure of the first drive unit.
8. according to claim 7 for the power circuit control desk of electric power teaching, it is characterized in that: described bus (1) is erected on base plate (4) by support, described support comprises the horizontal second cross beam (64) being suspended at base plate (4) top by the 3rd column (62) and three the 3rd porcelain vases (66) be arranged on side by side on second cross beam (64), three buses (1) in each bus group are separately fixed at the 3rd corresponding porcelain vase (66) upper end, each the 3rd porcelain vase (66) upper end on outermost second cross beam (64) is also fixed with the second leg cap (67) connected with corresponding bus (1), second cross beam described in outermost (64) is also provided with the second connecting shaft (65), the center line of described second connecting shaft (65) and the centerline parallel of second cross beam (64), grounding switch (2) corresponding to described bus (1) two ends is fixed on the second connecting shaft (65), described second connecting shaft (65) is also installed with the 7th connecting lever (68), the lower end of described 7th connecting lever (68) and one end of connecting link (69) hinged, the other end of described connecting link (69) and one end of level the 8th connecting lever (70) hinged, the other end of described 8th connecting lever (70) is fixed on the upper end of the 4th rotating shaft (63), described 4th rotating shaft (63) is arranged between base plate (4) and second cross beam (64), described 4th rotating shaft (63) is provided with four-drive device, under the driving of four-drive device, second connecting shaft (65) rotates, grounding switch (2) is driven upwards to rotate, the upper end of grounding switch (2) is contacted with corresponding second leg cap (67), the structure of described four-drive device is identical with the structure of the first drive unit.
9., according to claim 8 for the power circuit control desk of electric power teaching, it is characterized in that: pilot lamp (71) is installed at the top of described isolation circuit breakers.
10., according to claim 1 for the power circuit control desk of electric power teaching, it is characterized in that: also comprise remote control unit and signal conversion unit;
Described remote control unit control signal end connects PLC signal control end, described remote control unit carries out signal control operation by intelligent terminal, described signal conversion unit connects PLC signal control end, carries out signal conversion operations by signal conversion unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510508188.5A CN105006193B (en) | 2015-08-18 | 2015-08-18 | For the power circuit console of electric power teaching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510508188.5A CN105006193B (en) | 2015-08-18 | 2015-08-18 | For the power circuit console of electric power teaching |
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| CN105006193B CN105006193B (en) | 2017-06-16 |
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| CN201510508188.5A Active CN105006193B (en) | 2015-08-18 | 2015-08-18 | For the power circuit console of electric power teaching |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109493671A (en) * | 2017-12-27 | 2019-03-19 | 国网山东省电力公司潍坊供电公司 | Multifunction power dispatches remote operation training equipment |
| CN109559586A (en) * | 2017-12-27 | 2019-04-02 | 国网山东省电力公司潍坊供电公司 | Long-range control power regulation training system |
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| WO2000061291A1 (en) * | 1999-04-09 | 2000-10-19 | Jong Ha Do | Apparatus for experimenting on discharge phenomena using high voltages |
| CN202059170U (en) * | 2011-05-19 | 2011-11-30 | 重庆电力科学试验研究院 | Transformer neutral point overvoltage protection device |
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| CN109559586A (en) * | 2017-12-27 | 2019-04-02 | 国网山东省电力公司潍坊供电公司 | Long-range control power regulation training system |
| CN109559586B (en) * | 2017-12-27 | 2020-10-20 | 国网山东省电力公司潍坊供电公司 | Remote control electric power regulation and control training system |
| CN109493671B (en) * | 2017-12-27 | 2020-10-23 | 国网山东省电力公司潍坊供电公司 | Multifunctional remote operation training equipment for power dispatching |
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