CN204190245U - A kind of position indicator of circuit breaker drawer base - Google Patents
A kind of position indicator of circuit breaker drawer base Download PDFInfo
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- CN204190245U CN204190245U CN201420560147.1U CN201420560147U CN204190245U CN 204190245 U CN204190245 U CN 204190245U CN 201420560147 U CN201420560147 U CN 201420560147U CN 204190245 U CN204190245 U CN 204190245U
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Abstract
The position indicator of circuit breaker drawer base, comprise the body switch of the circuit breaker be removably arranged on the guide rail of drawout chassis and order about body switch and be moved straightly to relative separation between itself and drawout chassis along guide rail, test, connect the handle screw component of three positions, also comprise position indication component and be fixed on the instruction actuator on the little side plate of body switch, position indication component comprises three contact switchs on the fixed head of the large side plate being separately fixed at drawout chassis, three pairs along gear and inverse gear projection, and the separation be journaled into by revolute pair structure on fixed head, test and be connected lever.Execution pivot pin on instruction actuator knocks cooperation when body switch moves to three service positions respectively respectively with the corresponding lever of position indication component, coordinates, orders about testing lever and realize coordinating with the touching of test contact switch, order about and be connected lever and realize coordinating with the touching of connecting terminal switch to order about separator levers realization with the touching of separated contacts switch.
Description
Technical field
The utility model relates to a kind of intelligent universal circuit breaker, particularly relates to the position indicator of circuit breaker drawer base, belongs to low-voltage electrical apparatus and manufactures field.
Background technology
Along with modernization intelligence is for the fast development of distribution technique, more and more higher to the requirement of intelligent universal circuit breaker, particularly need the location status relative connection between breaker body with drawout chassis being provided, testing, be separated the circuit breaker of three positions, and can corresponding connect, test, separation point position export corresponding electrical control and indicator cock signal, the requirement of local maintenance maintenance can be met, online transfer that the location status of intelligent supply and distribution network to intelligent universal circuit breaker accurately show and remote monitoring can be realized again.But, existing universal circuit breaker adopts pure mechanical indicating structure to realize connecting usually, test, the function of three location statuss instructions that is separated, although the needs of local maintenance maintenance can be met, but three location statuss connecting, test, be separated can not be converted to the output switch parameter mode that can be used for remote monitoring instruction, therefore can not meet the needs of intelligent supply and distribution network to the omnidistance condition monitoring of intelligent universal circuit breaker, make it apply and be restricted.
Adopt sensitive switch that connection, test, separation point position are converted to the way of output of switching signal or the on/off control that can be used for remote monitoring instruction current more current, a kind of drawer type frame breaker of such as prior art, the mode that it utilizes the original planker of withdrawable circuit breaker and contact switch directly to touch, achieves conversion and the output of three position switch amount.But because the linearity precision of planker rectilinear movement is very low, so make planker create a large amount of excess of stroke at random when touching coordinate with contact switch, that is, it is very big that planker reality and contact switch touch the change in location coordinated, and contact instruction switch over travel is less and comparatively meticulous, the transmission impulsive force of drawout chassis is larger, obviously, this excess of stroke or shift in position easily cause great destruction for contact switch, add the Direct driver of planker by screw rod, planker is made not only to have very large dynamics for the active force of contact switch, but also there is very strong rigidity, destructive power so and active force directly act on the very little contact switch of meticulous switch over travel, apparent for the threaten degree formed the useful life of contact switch.For another example another kind of prior art circuit breaker three position five state output device of the electrical signal, because rotating shaft not only has very large dynamics for the active force of sensitive switch, but also have very strong rigidity, so its structure also forms very large threat to the useful life of sensitive switch.
Visible, all there is following defect in above-mentioned existing representational technology: touches with sensitive switch the actuator coordinated and cannot limit its touch position relative to sensitive switch and stroke range, and touch with sensitive switch the destructive effects power acting on sensitive switch that the actuator coordinated cannot reduce screw rod from circuit breaker or rotating shaft, thus must cause that sensitive switch is fragile, signal designation easily lost efficacy, the problem of location status poor reliability, and the danger that these problems are formed for the safety of intelligent supply and distribution network must should be avoided.
Utility model content
For the defect that above-mentioned prior art exists, the purpose of this utility model is the position indicator providing a kind of circuit breaker drawer base, its reasonable in design have followed universal circuit breaker body and realizes relative connection between drawout chassis, test, be separated the objective characteristics of motion of mechanism existing in three position operation strokes, ingenious evaded instruction stability that existing mechanism causes the three position signals of telecommunication to export and accuracy fluctuation large, the drawback of easy inefficacy, not only dependable performance is stablized, effectively improve the useful life of circuit breaker and intelligent functional reliability, and assembling, operation, easy maintenance.
The utility model have employed the technical scheme realizing above-mentioned purpose as follows.
A kind of position indicator of circuit breaker drawer base, described circuit breaker comprises the drawout chassis 2 of the large side plate 21 with fixed guide 22, described position indicator comprises the body switch 3 of the circuit breaker be arranged on removably on the guide rail 22 of drawout chassis 2 and moves linearly for ordering about described body switch 3 and can move to relative separation between its with drawout chassis 2, test, be connected the handle screw component at three service positions place, and described body switch 3 can do the rectilinear movement relative to drawout chassis 2 by means of guide rail 22.Wherein said position indicator also comprises position indication component 1 and instruction actuator 4, position indication component 1 comprises the fixed head 11 be fixed on described large side plate 21 and the separated contacts switch 12 be separately fixed on this fixed head 11, test contact switch 13, connecting terminal switch 14, be separated along gear projection 12a, be separated inverse gear projection 12b, test is along gear projection 13a, test inverse gear projection 13b, connect along keeping off projection 14a and being connected inverse gear projection 14b, also comprise the separator levers 15 be pivoted on by revolute pair structure on described fixed head 11, testing lever 16 be connected lever 17.Instruction actuator 4 is fixed on the little side plate 31 of described body switch 3, described instruction actuator 4 is provided with one and performs pivot pin 41, it moves to separation respectively at described body switch 3, test, when connecting three service positions and the separator levers 15 of described position indication component 1, testing lever 16 be connected lever 17 and knock cooperation respectively, and knock cooperation and order about separator levers 15 by described respectively and realize coordinating with the touching of separated contacts switch 12, order about testing lever 16 to realize coordinating with the touching of test contact switch 13, order about connection lever 17 to realize coordinating with the touching of connecting terminal switch 14.
As preferably: described separator levers 15 be provided with install for pivotable the first axis hole 153, with the action bars 121 of separated contacts switch 12 touch coordinates the first execution face 151, with perform pivot pin 41 knock coordinates the first arc surface 152, be separated along keep off projection 12a stop coordinate first be separated suitable block face 15a and stop against keeping off projection 12b first being separated against block face 15b of coordinating with being separated.
As preferably: described testing lever 16 be provided with install for pivotable the second axis hole 163, with the action bars 131 of test contact switch 13 touch coordinates the second execution face 161, with perform pivot pin 41 knock coordinates the second arc surface 162, with test suitable keep off projection 13a stop coordinate second test suitable block face 16a and stop against keeping off projection 13b second testing against block face 16b of coordinating with testing.
As preferably: described testing lever 17 be provided with install for pivotable Triaxial hole 173, with the action bars 141 of connecting terminal switch 14 touch coordinates with the 3rd execution face 171, with perform pivot pin 41 knock coordinate with three-arc face 172, be connected suitable keep off projection 14a stop coordinate with the 3rd connect suitable block face 17a and be connected against keep off projection 14b stop coordinate with the 3rd to connect against block face 17b.
As preferably: when described body switch 3 moves to separation point position, the execution pivot pin 41 of described instruction actuator 4 knocks and orders about separator levers 15 and touches with separated contacts switch 12, this touch trigger separated contacts switch 12 change over switch state, meanwhile, described execution pivot pin 41 orders about separator levers 15 and contacts along keeping off projection 12a with described being separated; When described body switch 3 leaves separation point position, the execution pivot pin 41 of described instruction actuator 4 is separated with separator levers 15, the reset force of separated contacts switch 12 orders about separator levers 15 and contacts against keeping off projection 12b with described being separated, meanwhile, described separated contacts switch 12 automatically resets and change over switch state under its reset force effect.
As preferably: when described body switch 3 moves to test position, the execution pivot pin 41 of described instruction actuator 4 knocks and orders about testing lever 16 and touches with test contact switch 13, this touch trigger test contact switch 13 change over switch state, meanwhile, described execution pivot pin 41 orders about testing lever 16 and contacts along keeping off projection 13a with described test; When described body switch 3 leaves test position, the execution pivot pin 41 of described instruction actuator 4 is separated with testing lever 16, the reset force of test contact switch 13 orders about testing lever 16 and contacts against keeping off projection 13b with described test, meanwhile, described test contact switch 13 automatically resets and change over switch state under its reset force effect.
As preferably: when described body switch 3 moves to link position, the execution pivot pin 41 of described instruction actuator 4 knocks and orders about connection lever 17 and touches with connecting terminal switch 14, this touch trigger connecting terminal switch 14 change over switch state, meanwhile, described execution pivot pin 41 orders about connection lever 16 and contacts along keeping off projection 14a with described connection; When described body switch 3 leaves link position, the execution pivot pin 41 of described instruction actuator 4 is separated with connection lever 17, the reset force of connecting terminal switch 14 orders about connection lever 17 and contacts against keeping off projection 14b with described connection, meanwhile, described connecting terminal switch 14 automatically resets and change over switch state under its reset force effect.
As preferably: described fixed head 11 is fixedly mounted on the medial surface of large side plate 21 of drawout chassis 2, the separator levers 15 of described position indication component 1, testing lever 16 be connected lever 17 and adopt identical L shape shape and structure.
As preferably: the axis being parallel of the pivot center of described revolute pair structure and the execution pivot pin 41 of described instruction actuator 4.As preferred further: described revolute pair structure comprises three the location axle pin 12C be fixedly installed on fixed head 11,13C, 14C, and be separately positioned on described separator levers 15, testing lever 16 and be connected the first axis hole 153, second axis hole 163 and Triaxial hole 173 on lever 17.
According to the utility model of any one technical scheme above-mentioned, it adopts the structure of position indication component and instruction actuator, not only make to touch with contact switch the lever coordinated and there is accurate stroke, and ensure that this lever and contact switch touch the position coordinated and have very high repeatable accuracy, the location excess of stroke that completely avoid breaker body switch is forbidden, actuating force and the impulsive force destruction for meticulous contact switch such as large, thus ensure that contact indicator cock can reliably accurately indicate three location statuss of circuit breaker all the time, so that intelligent supply and distribution network controls other system according to the position state signal of this circuit breaker, transmission and utilization.And, the mode that separated contacts switch 12, test contact switch 13, connecting terminal switch 14 are fixed on the fixed head 11 on the large side plate 21 of drawout chassis 2 by the utility model can have multiple choices, makes the I& M of position indicator no longer by the restriction of universal circuit breaker body interior space size.
Accompanying drawing explanation
Fig. 1 is the perspective view of the drawout chassis 2 in the position indicator of circuit breaker drawer base of the present utility model.
Fig. 2 is the structural upright schematic diagram of the body switch 3 of circuit breaker.
Fig. 3 is the structural upright schematic diagram of position indication component 1 in the position indicator of the circuit breaker drawer base of the present utility model shown in Fig. 1.
Fig. 4 is the perspective view of separator levers 15 in the position indicator of the circuit breaker drawer base of the present utility model shown in Fig. 1.
Fig. 5 is the perspective view of testing lever 16 in the position indicator of the circuit breaker drawer base of the present utility model shown in Fig. 1.
Fig. 6 is the perspective view connecting lever 17 in the position indicator of the circuit breaker drawer base of the present utility model shown in Fig. 1.
Embodiment
The embodiment provided below in conjunction with Fig. 1 to Fig. 6 illustrates the embodiment of the position indicator of circuit breaker drawer base of the present utility model.The restriction of description not to the position indicator of circuit breaker drawer base of the present utility model of following examples.
As shown in Figure 1, circuit breaker comprises the drawout chassis 2 of the large side plate 21 with fixed guide 22, as shown in Figure 2, position indicator comprises the body switch 3 of the circuit breaker be arranged on removably on the guide rail 22 (see Fig. 1) of drawout chassis 2 and moves linearly for ordering about described body switch 3 and can move to relative separation between its with drawout chassis 2, test, be connected the handle screw component (not shown) at three service positions place, and body switch 3 can do the rectilinear movement relative to drawout chassis 2 by means of guide rail 22.Composition graphs 1, shown in 2, position indicator of the present utility model also comprises position indication component 1 (see Fig. 1) and instruction actuator 4 (see Fig. 2), shown in composition graphs 1 and Fig. 3, position indication component 1 comprises the fixed head 11 be fixed on large side plate 21 medial surface of drawout chassis 2 and the separated contacts switch 12 be separately fixed on this fixed head 11, test contact switch 13, connecting terminal switch 14, be separated along gear projection 12a, be separated inverse gear projection 12b, test is along gear projection 13a, test inverse gear projection 13b, connect along keeping off projection 14a and being connected inverse gear projection 14b, also comprise the separator levers 15 be pivoted on by revolute pair structure on described fixed head 11, testing lever 16 be connected lever 17.See Fig. 2, instruction actuator 4 is fixed on the little side plate 31 of described body switch 3, described instruction actuator 4 is provided with one and performs pivot pin 41, it moves to separation respectively at described body switch 3, test, when connecting three service positions, as shown in Figure 3, with the separator levers 15 of described position indication component 1, testing lever 16 be connected lever 17 and knock cooperation respectively, and knock cooperation and order about separator levers 15 by described respectively and realize coordinating with the touching of separated contacts switch 12, order about testing lever 16 to realize coordinating with the touching of test contact switch 13, order about connection lever 17 to realize coordinating with the touching of connecting terminal switch 14.
The position indicator of circuit breaker drawer base of the present utility model is the parts being applicable to various drawer type universal circuit breaker, this type of circuit breaker comprises the drawout chassis 2 of known structure pattern, body switch 3 and handle screw component, and drawout chassis 2 has the large side plate 21 of fixed guide 22; Body switch 3 is arranged on the guide rail 22 of drawout chassis 2 removably, and can do the rectilinear movement relative to drawout chassis 2 by means of guide rail 22.Guide rail 22 can adopt known structure to realize, and it has following functions: install carrying body switch 3; The body switch 3 of carrying can be moved linearly, also can rest on certain service position in separation point position, test position or link position.Handle screw component can adopt known structure to realize, its tool following functions: the operation of artificial turning handle, just can order about body switch 3 and move linearly; Stop handle rotating, body switch 3 just can be made slack.The function of position indicator of the present utility model is exactly three service positions (refer to separation point position, test position and link position) of instruction body switch 3 relative to drawout chassis 2.Body switch 3 is when separation point position, and it and main circuit depart from completely, and on this separation point position, body switch 3 can unload from drawout chassis 2, also can move forward to test position under the driving of handle screw component; Body switch 3 is when test position, and it is not exclusively connected with main circuit, thinks the environment detecting and safeguard the safety providing necessary, in this test position, by the driving of handle screw component, body switch 3 can be made to move backwards to separation point position, also can move forward to link position; Body switch 3 is when link position, and it is connected completely with main circuit, to make omnipotent breaker enter normal operating state completely, on this link position, by the driving of handle screw component, body switch 3 can be made to move backwards to test position.
The position indication component 1 of the position indicator of circuit breaker drawer base of the present utility model comprises the fixed head 11 be fixed on large side plate 21, described fixed head 11 is fixedly mounted on the medial surface of large side plate 21 of drawout chassis 2, the fixed connection structure of fixed head 11 can have various ways, being fixedly connected with of employing screw 10 as shown in Figure 1, does not certainly get rid of and adopts being fixedly connected with of alternate manner.The position indication component 1 of the position indicator of circuit breaker drawer base of the present utility model also comprises the separated contacts switch 12 be fixed on fixed head 11, test contact switch 13, connecting terminal switch 14, be separated along gear projection 12a, be separated inverse gear projection 12b, test along gear projection 13a, test inverse gear projection 13b, connect along gear projection 14a and be connected and inversely keep off projection 14b, and be pivoted on separator levers 15 on fixed head 11, testing lever 16 by revolute pair structure and be connected lever 17.The fixed connection structure that separated contacts switch 12, test contact switch 13, connecting terminal switch 14 are fixedly mounted on fixed head 11 respectively can have various ways, usually adopts general screw attachment structure.Be separated along gear projection 12a, be separated inverse gear projection 12b, test along gear projection 13a, test inverse gear projection 13b, connect along gear projection 14a and be connected the fixed connection structure that inverse gear projection 14b is fixedly mounted on fixed head 11 respectively and can have various ways, usually adopt and rivet or the fixed connection structure of interference fit.Separator levers 15, testing lever 16 be connected lever 17 and be pivoted on fixed head 11 respectively by respective revolute pair structure, revolute pair structure described here refers to the draw bail only with a rotational freedom, it can have multiple implementation, a kind of preferred mode is as depicted in figs. 1 and 2: described revolute pair structure comprises three the location axle pin 12C be fixedly installed on fixed head 11, 13C, 14C, and be separately positioned on separator levers 15, testing lever 16 and the first axis hole 153 be connected on lever 17, second axis hole 163 and Triaxial hole 173, first axis hole 153, second axis hole 163 and Triaxial hole 173 are set in these described three location axle pin 12C, 13C, on 14C.
The instruction actuator 4 of the position indicator of circuit breaker drawer base of the present utility model is fixed on the little side plate 31 of body switch 3.Little side plate 31 is the intrinsic structures of body switch 3, and be installed to after on drawout chassis 2 at body switch 3, the little side plate 31 of body switch 3 is parallel with the large side plate 21 on drawout chassis 2.The structure that instruction actuator 4 is fixed on the little side plate 31 of body switch 3 can have multiple implementation, usually adopts riveted joint or screw attachment.Instruction actuator 4 is provided with one and performs pivot pin 41, and it can be one-body molded with instruction actuator 4, also can adopt point body formed after the structure that is fixedly connected.Perform pivot pin 41 respectively with separator levers 15, testing lever 16 be connected lever 17 and knock cooperation, namely after on the guide rail 22 being installed to drawout chassis 2 at body switch 3, by the driving of handle screw component, body switch 3 is movable linearly, this move make perform pivot pin 41 respectively with separator levers 15, testing lever 16 be connected lever 17 and formed and following knock cooperation and interaction relation thereof: move to separation at body switch 3 respectively at different time, test, when connecting three service positions, perform pivot pin 41 respectively with separator levers 15, testing lever 16 be connected lever 17 and knock cooperation, and order about separator levers 15 respectively and touch with separated contacts switch 12 and coordinate, testing lever 16 is touched with test contact switch 13 and is coordinated, connection lever 17 is touched with connecting terminal switch 14 and is coordinated.Specifically, when body switch 3 moves to separation point position, perform pivot pin 41 and knock with separator levers 15 and coordinate, and separator levers 15 is touched with separated contacts switch 12 and coordinated; When body switch 3 moves to test position, perform pivot pin 41 and knock with testing lever 16 and coordinate, and testing lever 16 is touched with test contact switch 13 and coordinated; When body switch 3 moves to link position, perform pivot pin 41 and be connected lever 17 and knock cooperation, and connect lever 17 and touch with connecting terminal switch 14 and coordinate.Here so-called " knocking cooperation " refers to that performing pivot pin 41 contacts and the cooperation extruding separator levers 15, testing lever 16 or connection lever 17, certainly, under execution pivot pin 41 leaves separator levers 15, testing lever 16 or connection lever 17 situation, described knocking coordinates to be removed.Here so-called " touch and coordinate " refers to that separator levers 15 contacts with separated contacts switch 12 and makes separated contacts switch 12 change over switch state, testing lever 16 contacts with test contact switch 13 and makes test contact switch 13 change over switch state, connect lever 17 contact with connecting terminal switch 14 and make the cooperation of connecting terminal switch 14 change over switch state, certainly, separator levers 15 is left at execution pivot pin 41, when testing lever 16 or connection lever 17, separator levers 15 and separated contacts switch 12 automatically reset and recover on off state under the reset force effect of separated contacts switch 12, testing lever 16 and test contact switch 13 automatically reset and recover on off state under the reset force effect of test contact switch 13, connection lever 17 and connecting terminal switch 14 automatically reset and recover on off state under the reset force effect of connecting terminal switch 14.
Have employed separator levers 15, testing lever 16, connection lever 17 due to the utility model and perform the structure of pivot pin 41, so can effectively avoid body switch 3 directly to touch the problem coordinated with separated contacts switch 12, test contact switch 13, connecting terminal switch 14, also can solve the destruction problem of straight-line guidance error to contact switch of guide rail 22 further simultaneously.Composition graphs 1 is not hard to imagine, because body switch 3 is placed on guide rail 22, therefore, guide rail 22 has following characteristics for the straight-line guidance precision of the movement in the y-direction that body switch 3 provides: the straight-line guidance error on z direction is very little, straight-line guidance error is in the x direction larger, namely the random offset to z direction that occurs in the process of movement in the y-direction of body switch 3 is very little, and larger to the random offset in x direction.The utility model installs separator levers 15, testing lever 16, connect the pivot center of three revolute pair structures of lever 17 and the axis being parallel performing pivot pin 41, i.e. three location axle pin 12C, 13C, the axis of 14C be arranged in parallel with the axis performing pivot pin 41, therefore perform pivot pin 41 to knock direction vertical with the pivot center of three revolute pair structures and be parallel to z direction, and due to body switch 3 straight-line guidance error in a z-direction very little, so make separator levers 15, testing lever 16, the full swing stroke connecting lever 17 is more stable, thus make the hammer action of execution pivot pin 41 for position indication component 1 and on three contact switchs 12, 13, the destroying infection of 14 is reduced to minimum tolerance level.
In order to reduce the destroying infection of hammer action for three contact switchs 12,13,14 of execution pivot pin 41 further, a kind of preferred scheme arranges be separated along gear projection 12a and be separated inverse gear projection 12b and they stop with the contact between separator levers 15 respectively and coordinate, thus accurately can limit the slewing area (i.e. oscillating stroke) of separator levers 15 further, in like manner, testing lever 16 and connection lever 17 also can adopt the structure accurately limiting oscillating stroke.For avoiding repetition, the concrete structure of the accurate restriction oscillating stroke that the utility model adopts is described: when described body switch 3 moves to separation point position below for separator levers 15, execution pivot pin 41 knocks and orders about separator levers 15 and touches with separated contacts switch 12, this touch trigger separated contacts switch 12 change over switch state, meanwhile, perform pivot pin 41 to order about separator levers 15 with being separated and contact along keeping off projection 12a; When body switch 3 leaves separation point position, perform pivot pin 41 to be separated with separator levers 15, the reset force of separated contacts switch 12 orders about separator levers 15 with being separated and inversely keep off projection 12b and contact, and meanwhile, separated contacts switch 12 automatically resets also change over switch state under its reset force effect.Obviously, the structure of this accurate restriction oscillating stroke has following obvious beneficial effect: the adverse effect of rectilinear movement error for each contact switch that completely avoid body switch 3 and execution pivot pin 41 thereof, so, separator levers 15, testing lever 16, the oscillating stroke connecting lever 17 can completely according to requiring design the useful life of contact switch, in other words, described oscillating stroke design not restricted by the rectilinear movement error of body switch 3 and execution pivot pin 41 thereof, useful life and functional reliability like this for increasing substantially contact switch provide possibility, also the manufacture difficulty of reduction guide rail 22 and production cost is made to become possibility.
The concrete shape structure of described separator levers 15 can have kinds of schemes, a kind of preferred scheme as shown in Figure 3 and Figure 4: described separator levers 15 be provided with touch with the action bars 121 of separated contacts switch 12 coordinates the first execution face 151, with perform pivot pin 41 knock coordinates the first arc surface 152, be separated along keep off projection 12a stop coordinate first being separated suitable block face 15a, stopping against keeping off projection 12b first being separated against block face 15b and the first axis hole 153 of installing for pivotable of coordinating with being separated.The concrete shape structure of described testing lever 16 can have kinds of schemes, a kind of preferred scheme as shown in Figure 3 and Figure 5: described testing lever 16 be provided with touch with the action bars 131 of test contact switch 13 coordinates the second execution face 161, with perform pivot pin 41 knock coordinates the second arc surface 162, with test suitable keep off projection 13a stop coordinate second testing suitable block face 16a, stopping against keeping off projection 13b second testing against block face 16b and the second axis hole 163 of installing for pivotable of coordinating with testing.The concrete shape structure of described connection lever 17 can have kinds of schemes, a kind of preferred scheme as shown in Figure 3 and Figure 6: described testing lever 17 be provided with touch with the action bars 141 of connecting terminal switch 14 coordinates with the 3rd execution face 171, with perform pivot pin 41 knock coordinates with three-arc face 172, be connected suitable keep off projection 14a stop coordinate with the 3rd connect suitable block face 17a, be connected against keep off projection 14b stop coordinate with the 3rd to connect against block face 17b and the Triaxial hole 173 installed for pivotable.
Separator levers 15, testing lever 16 can be identical with the shape and structure being connected lever 17, also can be different, but from being convenient to processing and reducing manufacturing cost, for the ease of Installation and Debugging, make the layout of each parts on fixed head 11 more reasonable, as shown in Figures 3 to 6, described separator levers 15, testing lever 16 are L shape with the shape and structure being connected lever 17 to a kind of preferred scheme, making can be general between these levers 15,16,17, to reduce part kind.
Below in conjunction with Fig. 1 to Fig. 6, further illustrate the operation principle of position indicator of the present utility model.
Body switch 3 is installed and by the operating process of body switch 3 forward impelling:
Body switch 3 is put on the guide rail 22 of drawout chassis 2, being pushed into by body switch 3 with hand cannot reentrant position, namely separation point position is arrived, at this moment the execution pivot pin 41 of body switch 3 knocks the first cambered surface 152 on separator levers 15 and the first cambered surface 152 is risen, make separator levers 15 around location axle pin 12C toward counterclockwise rotating, the first execution face 151 of separator levers 15 is made to touch the action bars 121 of separated contacts switch 12 and be depressed by action bars 121, the contact of separated contacts switch 12 (i.e. on off state) is changed, at this moment body switch 3 Absorbable organic halogens is in separation point position,
Under detached position, drawout chassis is injected and swinging handle with handle, body switch 3 is made under handle lead screw assembly drives, to continue forward impelling and leave separation point position, at this moment the first cambered surface 152 that pivot pin 41 slips over separator levers 15 is performed, the Self-resetting function of separated contacts switch 12 makes the action bars 121 of separated contacts switch 12 push separator levers 15 to rotate toward clockwise direction around location axle pin 12C, until separator levers 15 gets back to original reset position, the contact (i.e. on off state) of separated contacts switch 12 is transformed into original state automatically, at this moment, body switch 3 is in the crossover position (or instantaneous position) between separation point position and test position,
Swinging handle is continued under this crossover position state, make body switch 3 under handle lead screw assembly drives, continue forward impelling and arrive test position, second cambered surface 162 is also risen by the second cambered surface 162 on the execution pivot pin 41 Knock test lever 16 of at this moment body switch 3, make testing lever 16 around location axle pin 13C toward counterclockwise rotating, the second execution face 161 of ordering about testing lever 16 is touched the action bars 131 of test contact switch 13 and is depressed by action bars 131, the contact of test contact switch 13 (i.e. on off state) is changed, at this moment body switch 3 Absorbable organic halogens is in test position, test operation can be carried out to body switch 3, as detected,
Swinging handle is continued in test position state, body switch 3 is made under handle lead screw assembly drives, to continue forward impelling and leave test position, at this moment the second cambered surface 162 that pivot pin 41 slips over testing lever 16 is performed, the Self-resetting function of test contact switch 13 makes the action bars 131 of test contact switch 13 push testing lever 16 to rotate toward clockwise direction around location axle pin 13C, until original reset position got back to by testing lever 16, the contact (i.e. on off state) of test contact switch 13 is transformed into original state automatically, at this moment, body switch 3 is in the crossover position (or instantaneous position) between test position and link position,
Swinging handle is continued under this crossover position state, make body switch 3 under handle lead screw assembly drives, continue forward impelling and arrive link position, at this moment the execution pivot pin 41 of body switch 3 knocks the 3rd cambered surface 172 on connection lever 17 and the 3rd cambered surface 172 is risen, make connection lever 17 around location axle pin 14C toward counterclockwise rotating, order about the 3rd execution face 171 connecting lever 17 touch the action bars 141 of connecting terminal switch 14 and action bars 141 is depressed, the contact of connecting terminal switch 14 (i.e. on off state) is changed, at this moment, body switch 3 enters running status, and this link position can be remained on for a long time, under this link position state, body switch 3 can not continue forward impelling again by the restriction of known position-limit mechanism (not shown), but can back move.
The operating process back moved and unload of body switch 3:
To opposite direction swinging handle under link position state, body switch 3 is made to continue back move and leave link position under handle lead screw assembly drives, at this moment perform pivot pin 41 to leave from the 3rd cambered surface 172 connecting lever 16, the Self-resetting function of connecting terminal switch 14 makes the action bars 141 of connecting terminal switch 14 push to connect lever 17 to rotate toward clockwise direction around location axle pin 14C, until connect lever 17 to get back to original reset position, the contact (i.e. on off state) of connecting terminal switch 14 is transformed into original state automatically, at this moment, body switch 3 is in the crossover position (or instantaneous position) between test position and link position,
Swinging handle is in the other direction continued under this crossover position state, body switch 3 is made to continue back move and arrive test position under handle lead screw assembly drives, second cambered surface 162 is also risen by the second cambered surface 162 on the execution pivot pin 41 Knock test lever 16 of at this moment body switch 3, make testing lever 16 around location axle pin 13C toward counterclockwise rotating, the second execution face 161 of ordering about testing lever 16 is touched the action bars 131 of test contact switch 13 and is depressed by action bars 131, the contact of test contact switch 13 (i.e. on off state) is changed, at this moment body switch 3 Absorbable organic halogens is in test position, test operation can be carried out to body switch 3, as detected,
Swinging handle is in the other direction continued in test position, body switch 3 is made to continue back move and leave test position under handle lead screw assembly drives, at this moment the second cambered surface 162 that pivot pin 41 slips over testing lever 16 is performed, the Self-resetting function of test contact switch 13 makes the action bars 131 of test contact switch 13 push testing lever 16 to rotate toward clockwise direction around location axle pin 13C, until original reset position got back to by testing lever 16, the contact (i.e. on off state) of test contact switch 13 is transformed into original state automatically, at this moment, body switch 3 is in crossover position between separation point position and test position or instantaneous position,
Swinging handle is in the other direction continued under this crossover position state, body switch 3 is made to continue back move and arrive separation point position under handle lead screw assembly drives, at this moment the execution pivot pin 41 of body switch 3 knocks the first cambered surface 152 on separator levers 15 and the first cambered surface 152 is risen, make separator levers 15 around location axle pin 12C toward counterclockwise rotating, the first execution face 151 of separator levers 15 is made to touch the action bars 121 of separated contacts switch 12 and be depressed by action bars 121, the contact of separated contacts switch 12 (i.e. on off state) is changed, at this moment body switch 3 Absorbable organic halogens is in separation point position, body switch 3 safety from the guide rail 22 of drawout chassis 2 can be unloaded.
Above-described embodiment is available to those of ordinary skill in the art to realize or uses of the present utility model; those of ordinary skill in the art can when not departing from invention thought of the present utility model; various modifications or change are made to above-described embodiment; thus protection range of the present utility model not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claim is mentioned.
Claims (10)
1. the position indicator of a circuit breaker drawer base, described circuit breaker comprises the drawout chassis (2) of the large side plate (21) with fixed guide (22), described position indicator comprise be arranged on drawout chassis (2) removably guide rail (22) on circuit breaker body switch (3) and for ordering about the rectilinear movement of described body switch (3) and the relative separation that can move between itself and drawout chassis (2), test, connect the handle screw component at three service positions place, described body switch (3) can do the rectilinear movement relative to drawout chassis (2) by means of guide rail (22), it is characterized in that, described position indicator also comprises:
Position indication component (1), comprise the fixed head (11) be fixed on described large side plate (21) and the separated contacts switch (12) be separately fixed on this fixed head (11), test contact switch (13), connecting terminal switch (14), be separated along gear projection (12a), be separated inverse gear projection (12b), test is along gear projection (13a), test inverse gear projection (13b), connect along keeping off projection (14a) and being connected inverse gear projection (14b), also comprise the separator levers (15) be pivoted on by revolute pair structure on described fixed head (11), testing lever (16) be connected lever (17),
Instruction actuator (4), it is fixed on the little side plate (31) of described body switch (3), described instruction actuator (4) is provided with one and performs pivot pin (41), it moves to separation respectively at described body switch (3), test, when connecting three service positions and the separator levers (15) of described position indication component (1), testing lever (16) be connected lever (17) and knock cooperation respectively, and knock cooperation and order about separator levers (15) by described respectively and realize coordinating with the touching of separated contacts switch (12), order about testing lever (16) to realize coordinating with the touching of test contact switch (13), order about connection lever (17) to realize coordinating with the touching of connecting terminal switch (14).
2. the position indicator of circuit breaker drawer base according to claim 1, it is characterized in that: described separator levers (15) is provided with the first axis hole (153) installed for pivotable, with the action bars (121) of separated contacts switch (12) touch coordinate first perform face (151), the first arc surface (152) coordinated is knocked with execution pivot pin (41), with be separated along keep off projection (12a) stops coordinates first be separated suitable block face (15a) and stop against keeping off projection (12b) first being separated against block face (15b) of coordinating with being separated.
3. the position indicator of circuit breaker drawer base according to claim 1, it is characterized in that: described testing lever (16) is provided with the second axis hole (163) installed for pivotable, with the action bars (4) of test contact switch (13) touch coordinate second perform face (161), the second arc surface (162) coordinated is knocked with execution pivot pin (41), with test along keep off projection (13a) stops coordinates second test suitable block face (16a) and stops against keeping off projection (13b) second testing against block face (16b) of coordinating with testing.
4. the position indicator of circuit breaker drawer base according to claim 1, it is characterized in that: described testing lever (17) is provided with the Triaxial hole (173) installed for pivotable, with the action bars (141) of connecting terminal switch (14) touch coordinate the 3rd perform face (171), the three-arc face (172) coordinated is knocked with execution pivot pin (41), with be connected along keep off projection (14a) stops coordinates with the 3rd connect suitable block face (17a) and be connected against keep off projection (14b) stop coordinate with the 3rd to connect against block face (17b).
5. the position indicator of circuit breaker drawer base according to claim 1, is characterized in that:
When described body switch (3) moves to separation point position, the execution pivot pin (41) of described instruction actuator (4) knocks and orders about separator levers (15) and touches with separated contacts switch (12), this touch trigger separated contacts switch (12) change over switch state, meanwhile, described execution pivot pin (41) orders about separator levers (15) and contacts along keeping off projection (12a) with described being separated;
When described body switch (3) leaves separation point position, the execution pivot pin (41) of described instruction actuator (4) is separated with separator levers (15), the reset force of separated contacts switch (12) orders about separator levers (15) and contacts against keeping off projection (12b) with described being separated, meanwhile, described separated contacts switch (12) automatically resets and change over switch state under its reset force effect.
6. the position indicator of circuit breaker drawer base according to claim 1, is characterized in that:
When described body switch (3) moves to test position, the execution pivot pin (41) of described instruction actuator (4) knocks and orders about testing lever (16) and touches with test contact switch (13), this touch trigger test contact switch (13) change over switch state, meanwhile, described execution pivot pin (41) orders about testing lever (16) and contacts along keeping off projection (13a) with described test;
When described body switch (3) leaves test position, the execution pivot pin (41) of described instruction actuator (4) is separated with testing lever (16), the reset force of test contact switch (13) orders about testing lever (16) and contacts against keeping off projection (13b) with described test, meanwhile, described test contact switch (13) automatically resets and change over switch state under its reset force effect.
7. the position indicator of circuit breaker drawer base according to claim 1, is characterized in that:
When described body switch (3) moves to link position, the execution pivot pin (41) of described instruction actuator (4) knocks and orders about connection lever (17) and touches with connecting terminal switch (14), this touch trigger connecting terminal switch (14) change over switch state, meanwhile, described execution pivot pin (41) orders about connection lever (17) and contacts along keeping off projection (14a) with described connection;
When described body switch (3) leaves link position, the execution pivot pin (41) of described instruction actuator (4) is separated with connection lever (17), the reset force of connecting terminal switch (14) orders about connection lever (17) and contacts against keeping off projection (14b) with described connection, meanwhile, described connecting terminal switch (14) automatically resets and change over switch state under its reset force effect.
8. the position indicator of circuit breaker drawer base according to claim 1, it is characterized in that: described fixed head (11) is fixedly mounted on the medial surface of large side plate (21) of drawout chassis (2), the separator levers (15) of described position indication component (1), testing lever (16) be connected lever (17) and adopt identical L shape shape and structure.
9. the position indicator of circuit breaker drawer base according to claim 1, is characterized in that: the axis being parallel of the pivot center of described revolute pair structure and the execution pivot pin (41) of described instruction actuator (4).
10. the position indicator of the circuit breaker drawer base according to claim 1 or 9, it is characterized in that: described revolute pair structure comprises three the location axle pin (12C be fixedly installed on fixed head (11), 13C, 14C), and be separately positioned on described separator levers (15), testing lever (16) and be connected the first axis hole (153), the second axis hole (163) and the Triaxial hole (173) on lever (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420560147.1U CN204190245U (en) | 2014-09-27 | 2014-09-27 | A kind of position indicator of circuit breaker drawer base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420560147.1U CN204190245U (en) | 2014-09-27 | 2014-09-27 | A kind of position indicator of circuit breaker drawer base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190245U true CN204190245U (en) | 2015-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420560147.1U Withdrawn - After Issue CN204190245U (en) | 2014-09-27 | 2014-09-27 | A kind of position indicator of circuit breaker drawer base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300411A (en) * | 2014-09-27 | 2015-01-21 | 浙江正泰电器股份有限公司 | Position indicating device of breaker drawer seat |
-
2014
- 2014-09-27 CN CN201420560147.1U patent/CN204190245U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300411A (en) * | 2014-09-27 | 2015-01-21 | 浙江正泰电器股份有限公司 | Position indicating device of breaker drawer seat |
| WO2016045624A3 (en) * | 2014-09-27 | 2016-05-19 | 浙江正泰电器股份有限公司 | Circuit breaker drawer base position-indicating apparatus |
| CN104300411B (en) * | 2014-09-27 | 2017-06-13 | 浙江正泰电器股份有限公司 | A kind of position indicator of circuit breaker drawer base |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150304 Effective date of abandoning: 20170613 |