CN103943388B - Operating mechanism and there is the control and protective switching device of this operating mechanism - Google Patents
Operating mechanism and there is the control and protective switching device of this operating mechanism Download PDFInfo
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- CN103943388B CN103943388B CN201410192085.8A CN201410192085A CN103943388B CN 103943388 B CN103943388 B CN 103943388B CN 201410192085 A CN201410192085 A CN 201410192085A CN 103943388 B CN103943388 B CN 103943388B
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- 238000005516 engineering process Methods 0.000 description 3
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Abstract
The invention discloses a kind of operating mechanism and there is the control and protective switching device of this operating mechanism, its operating mechanism comprises and is arranged at alarm mechanism on mounting panel and tripping mechanism, wherein: alarm mechanism, comprise side cam and side retainer, described side retainer have to carry out with described side cam card with or the stop platform that is separated; Tripping mechanism, comprises cam and middle retainer, described middle stop utensil have to carry out with described cam card with or the dropout part that is separated; Also comprise driving member, described driving member comprise for receive overload or over-current signal warning push rod, for receiving push pedal and the short circuit push rod of short-circuit signal, this device can be implemented in short circuit occur time, complete report to the police and disconnect main circuit, and transship, overcurrent occur time, only report to the police, main circuit can not disconnect, and structure is simple, and described side retainer and described middle retainer are self contained functions, be independent of each other mutually, operating mechanism action is more stable, reliable, effectively avoids the generation of misoperation.
Description
Technical field
The present invention relates to the control and protective switching device field in low-voltage electrical apparatus, concrete ground, relate to a kind of operating mechanism and there is the control and protective switching device of this operating mechanism.
Background technology
" control and protective switching device " (or being called Control protection device) is the novel product in low-voltage electrical apparatus, and its product category code name is " CPS ", is the abbreviation of English " ControlandProtectiveSwitchingDevice ".CPS can realize integrated, that internal coordination coordinates control and scheduling co-design function on the product of single structure form, can substitute multiple traditional discrete component such as circuit breaker (fuse), contactor, overload (or overcurrent, disconnected phase) protection relay, starter, isolator.KB0 is the large series products of domestic first generation CPS.KB0 is mainly used in exchanging 50Hz (60Hz), rated voltage to 690V, electric current connect, carry and comprise the electric current under the overload condition of regulation under disjunction normal condition in the electric power system of 0.16A to 125A, and can connect, carry non-normal condition that also disjunction specifies under electric current (as short circuit current).KBO adopts the version of modular single product; be integrated with the major function of traditional circuit breaker (fuse), contactor, overload (or overcurrent, disconnected phase) protection relay, starter and isolator, there is far distance automatic controlling and directly manpower controls on the spot function, panel indicate and dynamoelectric signal warning function and have cooperation time m-current protection characteristic (there is inverse time lag, specified time and instantaneous three section protection characteristic).Match functional module or annex as required, can realize the general motor load of (infrequently starting), the load of motor of Fraquent start and the control and scheduling co-design of power distribution circuit load.
Chinese patent literature CN1725412A discloses a kind of operating mechanism of control and protective switching device, and this device comprises mounting panel and face-piece, and on face-piece, mark has automatic control position, trip positions, segmentation position, reset position and isolated location, mounting panel built with can with respectively with the Pyromagnetic release of KB0 control and protective switching device, main circuit contact group, electromagnetism transmission mechanism, the push rod of interrupter parallel connection, push pedal, rocking arm, pull bar, and have manually operated indicating knob, this indicating knob can be placed in automatic control position respectively, trip positions, disjunction position, reset position and isolated location, be also equipped with side cam in mounting panel, tripping cam, cam, middle retainer, side retainer, spring, manual operation indicating knob by trip positions to reset position, in rotary course, cam is followed indicating knob and is rotated counterclockwise together, and promote side cam and do reverse rotation, promote tripping cam by side cam again and do rotating Vortex, when after indicating knob operation certain angle, indicating knob by reset position to automatic control position, in this process, due to the effect of reaction spring, side cam and tripping cam are back moved, now stops it to move by side retainer, make the spring of side cam and tripping cam produce energy storage, when indicating knob operates automatic control position, middle retainer, under reaction spring effect, fastens cam, can rest on automatic control position, meanwhile, middle retainer promotes rocking arm work.
Control and protective switching device applies the function that it realizes fire-fighting; can realize overload, an overcurrent alarm non-tripping, thread off during short circuit and disconnect the function of main circuit, not need series connection auxiliary contact; can direct Non-follow control on the spot, provide many facilities to operation and maintenance.
But this operating mechanism remains in following weak point: because side cam and tripping cam share a side retainer, and the action of side cam and tripping cam is spacing is all completed by side retainer, and side cam and tripping cam again can self contained functions, if the actuating length of side retainer slightly deviation, be easy to make side cam or tripping cam produce misoperation.
Summary of the invention
For this reason; technical problem to be solved by this invention is; overcome control and protective switching device complex structure in prior art; side cam and tripping cam share the technical problem that a side retainer easily causes misoperation; there is provided a kind of structure simple, mechanical structure reliably and the operating mechanism of the control and protective switching device of not easily misoperation.
Another technical problem that the present invention will solve is the control and protective switching device providing the simple and reliable property of a kind of structure higher.
For solving the problems of the technologies described above, the invention provides a kind of operating mechanism of control and protective switching device, comprising and being arranged at alarm mechanism on mounting panel and tripping mechanism, wherein:
Alarm mechanism, comprises side cam and side retainer, described side retainer have to carry out with described side cam card with or the stop platform that is separated;
Tripping mechanism, comprises cam and middle retainer, described middle stop utensil have to carry out with described cam card with or the dropout part that is separated;
Also comprise driving member, described driving member comprise for receive overload or over-current signal warning push rod, for receiving push pedal and the short circuit push rod of short-circuit signal, wherein:
Described push pedal is provided with the first actuated piece, described short circuit push rod be provided with match with described first actuated piece first by moving part, described in described push pedal movement progress, first by moving part, and then drive described short circuit pushrod movement, described short circuit push rod is provided with the second actuated piece, described middle retainer be provided with match with described second actuated piece second by moving part, described short circuit pushrod movement drives described middle retainer to rotate, and described middle retainer and described cam are unlocked;
Described push pedal is also provided with the 3rd actuated piece, described side retainer be provided with match with described 3rd actuated piece the 3rd by moving part, described push pedal campaign drives the described 3rd to move by moving part, and then drives described side retainer to rotate, and described side retainer and described side cam are unlocked.
Described warning push rod is provided with the 4th actuated piece, described side retainer be provided with match with described 4th actuated piece the 4th by moving part, described warning pushrod movement promotes the described 4th by moving part, and then drive described side retainer to rotate, described side retainer and described side cam are unlocked.
Described first actuated piece is the depressed part being arranged at described push pedal edge, and described first is be arranged on described short circuit push rod and embed the protuberance of described depressed part by moving part.
Described second actuated piece is the projection piece being arranged at described short circuit push rod end, and described second is the cylinder being arranged at described middle retainer end by moving part, and described cylinder is corresponding before and after position, described short circuit pushrod movement direction with described projection piece.
Described 3rd actuated piece is be arranged at described push pedal towards the projection in described side retainer one side, described 3rd is be arranged at the cantilever arm bottom the retainer of described side by moving part, described push pedal campaign drives described projection to promote the motion of described cantilever arm, and then drives described side retainer to rotate.
Described push pedal and described short circuit push rod are arranged at described mounting panel the same side, described cam, described side cam, described middle retainer, described side retainer and described warning push rod are arranged at the opposite side of described mounting panel, and described mounting panel is provided with short circuit push rod gathering sill, described projection piece passes described short circuit push rod gathering sill from described mounting panel side, and slide in described short circuit push rod gathering sill realize with the contact of described middle retainer be separated, described mounting panel is provided with push pedal gathering sill, described cantilever arm stretches in described push pedal gathering sill, described projection stretches out described push pedal gathering sill from described mounting panel opposite side, and slide in described push pedal gathering sill realize with the contact of described cantilever arm be separated.
Described side cam comprises the first projection being arranged at its side, and drives it to rotate backward the first elastic component of reset; Described cam is provided with ground floor cam surface and second layer cam surface, described ground floor cam surface is provided with card, the card of described card and the described dropout part of described middle retainer and be separated the locking and disengaging that realize described cam, described second layer cam surface is provided with corresponding receiving member protruding with described first, described first projection is installed in described receiving member, described cam is rotated and drives described side cam to rotate.
Described side retainer is also provided with and drives it to rotate backward the first stage clip of reset, and described side cam is provided with second protruding, described stop platform and described second projection of described side retainer carry out card with or be separated the locking or dropout that realize described side cam.
Described middle retainer comprises elasticity boss, fixing lug boss and orders about the extension spring that described middle retainer is rotated counterclockwise, and the merging that matches of described elasticity boss and described first cam surface is provided with described dropout part, and described fixing lug boss is provided with rocking arm.
A kind of control and protective switching device, described control and protective switching device has operating mechanism as above.
Described control and protective switching device; also comprise panel; described panel is labeled with automatic control position, trip positions, open position and buckle position; it is provided with for manually operated indicating knob; the rotating shaft of described cam stretches out described panel and is connected with described indicating knob, and described indicating knob rotates and drives described cam to rotate.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) operating mechanism of control and protective switching device of the present invention, being equipped with by moving part by described first actuated piece of described push pedal and described first of described short circuit push rod, and the described 3rd being equipped with by moving part of described 3rd actuated piece of described short circuit push rod and described middle retainer, make when a short circuit occurs, the athletic meeting of described push pedal is delivered on described middle retainer, thus middle retainer rotates, described cam is threaded off, realize the operation disconnecting main circuit, being equipped with simultaneously by described 3rd actuated piece of described push pedal and the second actuated piece of described side retainer, promote described side retainer to rotate, realize alarm operation, but, when break down overload, overcurrent time, described 4th actuated piece arranged by described warning push rod and the described 4th of described side retainer the being equipped with by moving part, promoted described side retainer and rotate, realize alarm operation, by above-mentioned setting, when making operating mechanism of the present invention can be implemented in short circuit generation, complete and report to the police and disconnect main circuit, and transship, when overcurrent occurs, only report to the police, main circuit can not disconnect, structure is simple, can direct Non-follow control on the spot, use and maintenance is convenient, mechanism reliability is stronger, and operating mechanism of the present invention is transshipping, when overcurrent and short-circuit conditions occur, can to there being different inputs, i.e. described warning push rod and described push pedal, thus make described side retainer and described middle retainer be self contained function, be independent of each other mutually, operating mechanism action is more stable, reliably, effectively avoid the generation of misoperation.
(2) operating mechanism of control and protective switching device of the present invention, described first actuated piece is the depressed part being arranged at described push pedal edge, described first is be arranged on described short circuit push rod and embed the protuberance of described depressed part by moving part, the servo-actuated setting of described push pedal and described short circuit push rod is realized by described depressed part and described protuberance, structure is simple, and reliability is strong; Described second actuated piece is the projection piece being arranged at described short circuit push rod end, described second is the cylinder being arranged at described middle retainer end by moving part, described cylinder is corresponding before and after position, described short circuit pushrod movement direction with described projection piece, by arranging the protuberance linked with described push pedal and the projection piece linked with described middle retainer on described short circuit push rod, make described push pedal Movement transmit to described middle retainer, complete the trip operation of described cam, part processing is simple, with low cost, and mechanism reliability is strong; Described 3rd actuated piece is be arranged at described push pedal towards the projection in described side retainer one side, described 3rd is be arranged at the cantilever arm bottom the retainer of described side by moving part, described push pedal campaign drives described projection to promote the motion of described cantilever arm, and then drive described side retainer to rotate, by the setting of described projection, while in making described in described push pedal movement progress, retainer completes trip operation, the cantilever arm of described side retainer can be promoted, and then promote the retainer rotation of described side, send alarm signal.
(3) operating mechanism of described control and protective switching device of the present invention, described mounting panel can be arranged to the structure of upper mounting plate and lower installation board, described cam, described side cam, described middle retainer, described side retainer and described warning push rod are arranged between described upper mounting plate and described lower installation board, described push pedal and described short circuit push rod are arranged at described lower installation board bottom, make operating mechanism of the present invention more compact on the whole, and the stability of mechanism is stronger, save taking up room of operating mechanism, described lower installation board is provided with short circuit push rod gathering sill, described projection piece protrudes upward described short circuit push rod gathering sill from described lower installation board bottom, and slide in described short circuit push rod gathering sill realize with the contact of described middle retainer be separated, described lower installation board is provided with push pedal gathering sill, described cantilever arm stretches in described push pedal gathering sill downwards, described projection protrudes upward described push pedal gathering sill from described lower installation board, and slide in described push pedal gathering sill realize with the contact of described cantilever arm be separated, described operating mechanism of the present invention is by described push pedal, the linear slide of described short circuit push rod and described warning push rod is converted to the rotation of described middle retainer and/or described side retainer, realize trip operation and alarm operation, cost is low, the stability of operating mechanism is strong.
(4) control and protective switching device of the present invention, described control and protective switching device has operating mechanism as above,
Described control and protective switching device; also comprise panel; described panel is labeled with automatic control position, trip positions, open position and buckle position; it is provided with for manually operated indicating knob; the rotating shaft of described cam stretches out described panel and is connected with described indicating knob; described indicating knob rotates and drives described cam to rotate; described control and protective switching device can meet overload, an overcurrent alarm non-tripping; short circuit is threaded off and the demand of reporting to the police; applied range; be suitable for fire-fighting domain, and compact conformation is reasonable.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the face-piece schematic diagram of operating mechanism of the present invention;
Fig. 2 is the perspective view 1 of operating mechanism of the present invention;
Fig. 3 is the perspective view 2 of operating mechanism of the present invention;
Fig. 4 is the perspective view 3 of operating mechanism of the present invention;
Fig. 5 is the structural representation of the lockup state of operating mechanism of the present invention;
Fig. 6 is side retainer and the side cam releasing structure schematic diagram of operating mechanism of the present invention;
Fig. 7 is push pedal and the short circuit push rod linkage structure schematic diagram of operating mechanism of the present invention;
Fig. 8 is the middle retainer releasing structure schematic diagram of operating mechanism of the present invention;
Fig. 9 is the middle retainer perspective view of operating mechanism of the present invention;
Figure 10 is the cam structural representation of operating mechanism of the present invention;
Figure 11 is warning push rod and the side retainer linkage structure schematic diagram of operating mechanism of the present invention;
Figure 12 is the vertical view of operating mechanism of the present invention;
In figure, Reference numeral is expressed as: 1-mounting panel, 11-upper mounting plate, 12-lower installation board, 128-push pedal gathering sill, 129-short circuit push rod gathering sill, 2-face-piece, 21-indicating knob, 3-side cam, 31-first is protruding, 32-first elastic component, 33-second is protruding, 4-cam, 41-card, 42-receiving member, 5-side retainer, 51-stop platform, 52-cantilever arm, 53-first stage clip, 6-warning push rod, retainer in 7-, 71-dropout part, 72-cylinder, 8-push pedal, 81-depressed part, 82-is protruding, 9-short circuit push rod, 91-protuberance, 92-projection piece, 10-rocking arm.
Embodiment
Be specifically described below in conjunction with the operating mechanism of specific embodiment to a kind of control and protective switching device of the present invention:
Embodiment one
As shown in figures 2-6, a kind of operating mechanism of control and protective switching device, comprise the alarm mechanism, tripping mechanism and the driving member that are arranged on mounting panel 1, wherein: alarm mechanism, comprise side cam 3 and side retainer 5, described side retainer 5 have to carry out with described side cam 3 card with or the stop platform 51 that is separated; Tripping mechanism, comprises cam 4 and middle retainer 7, described middle retainer 7 have to carry out with described cam 4 card with or the dropout part 71 that is separated; Driving member, for receiving overload, overcurrent or short-circuit signal, drives described alarm mechanism and/or described tripping mechanism action.
Described driving member of the present invention comprises the warning push rod 6 for receiving overload or over-current signal, for receiving push pedal 8 and the short circuit push rod 9 of short-circuit signal, wherein: described push pedal 8 is provided with the first actuated piece, described short circuit push rod 9 be provided with match with described first actuated piece first by moving part, described in described push pedal 8 movement progress, first by moving part, and then drive described short circuit push rod 9 to move, described short circuit push rod 9 is provided with the second actuated piece, described middle retainer 7 be provided with match with described second actuated piece second by moving part, described short circuit push rod 9 moves and drives described middle retainer 7 to rotate, described middle retainer 7 is unlocked with described cam 4,
Simultaneously, described push pedal 8 is also provided with the 3rd actuated piece, described side retainer 5 be provided with match with described 3rd actuated piece the 3rd by moving part, described push pedal 8 is moved and is driven the described 3rd to move by moving part, and then drive described side retainer 5 to rotate, described side retainer 5 and described side cam 3 are unlocked.
And, described warning push rod 6 is provided with the 4th actuated piece, described side retainer be provided with to contact with described 4th actuated piece and coordinate the 4th by moving part, described in described warning push rod 6 movement progress, the 4th by moving part, and then drive described side retainer 5 to rotate, described side retainer 5 and described side cam 3 are unlocked.
Being equipped with by moving part by described first actuated piece of described push pedal 8 and described first of described short circuit push rod 9, and the described second being equipped with by moving part of described second actuated piece of described short circuit push rod 9 and described middle retainer 7, make when a short circuit occurs, described push pedal 8 athletic meeting is delivered on described middle retainer 7, thus middle retainer 7 rotates, described cam 4 is threaded off, realize the operation disconnecting main circuit, being equipped with by moving part by described 3rd actuated piece of described push pedal 8 and the 3rd of described side retainer 5 simultaneously, promote described side retainer 5 to rotate, realize alarm operation, but, when break down overload, overcurrent time, described 4th actuated piece arranged by described warning push rod 6 and the described 4th of described side retainer the being equipped with by moving part, promoted described side retainer 5 and rotate, realize alarm operation.By above-mentioned setting, when making operating mechanism of the present invention can be implemented in short circuit generation, complete and report to the police and disconnect main circuit, and transship, when overcurrent occurs, only report to the police, main circuit can not disconnect, structure is simple, can direct Non-follow control on the spot, use and maintenance is convenient, mechanism reliability is stronger, and operating mechanism of the present invention is transshipping, when overcurrent and short-circuit conditions occur, can to there being different inputs, i.e. described warning push rod 6 and described push pedal 8, thus make described side retainer 5 and described middle retainer 7 be self contained functions, be independent of each other mutually, operating mechanism action is more stable, reliably, effectively avoid the generation of misoperation.
Concrete, as shown in Fig. 7, Fig. 9 and Figure 12, described first actuated piece is the depressed part 81 being arranged at described push pedal 8 edge, and described first is be arranged on described short circuit push rod 9 and embed the protuberance 91 of described depressed part 81 by moving part; Described second actuated piece is the projection piece 92 being arranged at described short circuit push rod 9 end, and described second is the cylinder 72 being arranged at described middle retainer 7 end by moving part, and described cylinder 72 is corresponding before and after described short circuit push rod 9 direction of motion position with described projection piece 92; As shown in figure 11, described 3rd actuated piece is be arranged at described push pedal 8 towards the projection 82 in described side retainer 5 one side, described 3rd is be arranged at the cantilever arm 52 bottom described side retainer 5 by moving part, described push pedal 8 is moved and is driven the described cantilever arm 52 of described protruding 82 promotion to move, and then drives described side retainer 5 to rotate.
In the present embodiment, as shown in Fig. 2-4 and Figure 11-12, described mounting panel 1 comprises upper mounting plate 11 and lower installation board 12, described cam 4, described side cam 3, described middle retainer 7, described side retainer 5 and described warning push rod 6 are arranged between described upper mounting plate 11 and described lower installation board 12, described push pedal 8 and described short circuit push rod 9 are arranged at described lower installation board 12 bottom, this assembling mode makes operating mechanism of the present invention more compact on the whole, and the stability of mechanism is stronger, save taking up room of operating mechanism, described lower installation board 12 is provided with short circuit push rod gathering sill 129, described projection piece 92 protrudes upward described short circuit push rod gathering sill 129 from described lower installation board 12 bottom, and slide in described short circuit push rod gathering sill 129 realize with the contact of described middle retainer 7 be separated, described lower installation board 12 is provided with push pedal gathering sill 128, described cantilever arm 51 stretches in described push pedal gathering sill 128 downwards, described protruding 82 protrude upward described push pedal gathering sill 128 from described lower installation board 12, and slide in described push pedal gathering sill 128 realize with the contact of described cantilever arm 51 be separated.
Described side cam 3, described cam 4, described side retainer 5 and described middle retainer 7 are rotatably installed on described mounting panel 1 respectively by rotating shaft; As shown in Fig. 5-6 and Figure 12, described side cam 3 comprises the first projection 31 being arranged at its side, and drives it to rotate backward the first elastic component 32 of reset; As shown in Figure 10, described cam 4 is provided with ground floor cam surface and second layer cam surface, described ground floor cam surface is provided with card 41, the card of described card 41 and the described dropout part 71 of described middle retainer 7 and be separated the locking and disengaging that realize described cam 4, described second layer cam surface is provided with the receiving member 42 corresponding with described first projection 31, described first projection 31 is installed in described receiving member 42, described cam 4 is rotated and drives described side cam 3 to rotate.
And, described side retainer 5 is also provided with the first stage clip 53 driving described side retainer 5 to rotate backward reset, described side cam 3 is also provided with the second projection 33, described stop platform 51 and described second projection 33 of described side retainer 5 carry out card with or be separated the locking or dropout that realize described side cam 3; Described middle retainer 7 comprises elasticity boss, fixing lug boss and orders about the extension spring that described middle retainer 7 is rotated counterclockwise, and the merging that matches of described elasticity boss and described first cam surface is provided with described dropout part 71, described fixing lug boss is provided with rocking arm 10.
Need it is noted that, in operating mechanism of the present invention, structure and the installation site of described short circuit push rod and described push pedal are not limited to above-mentioned situation, as long as meet described push pedal and described short circuit push rod interlock arrange, and described push pedal 8 also directly can arrange cantilever arm, described cantilever arm directly promotes the described cylinder 72 of described middle retainer 7 through described short circuit push rod gathering sill 129, thus completes trip operation.
Embodiment two
A kind of control and protective switching device, described control and protective switching device has above-described operating mechanism, and described operating mechanism specific structural features is same as described above, does not add repeat at this; And described control and scheduling co-design electrical equipment also comprises: panel 2, on described panel 2, mark has automatic control (Auto) position, dropout (Trip) position, disconnect (Off) position, and detain (Reset) position again, and be provided with short circuit and redden indicator light and the closed indicator light that reddens; Described panel 2 is provided with for manually operated indicating knob 21, the rotating shaft of described cam 4 stretches out described panel 2 and is connected with described indicating knob 21, and described indicating knob 21 rotates and drives described cam 4 to rotate.
Below the process of detaining again of the operating mechanism of control and protective switching device of the present invention is introduced:
First, need it is noted that, the description of " being rotated counterclockwise " and " turning clockwise " of mentioning in this article is the direction in the face of described panel 2.
Indicating knob 21 described in manual rotation extremely detains (Reset) position again by dropout (Trip) position, in rotary course, described cam 4 is followed described indicating knob 21 and is rotated counterclockwise, described cam 4 and the servo-actuated setting of described side cam 3, described first projection 31 being promoted described side cam 3 by the described receiving member 42 of described cam 4 makes described side cam 3 turn clockwise, after described indicating knob 21 rotates to an angle, under the pressure effect of described first stage clip 53 of described side retainer 5, make described second protruding 33 of described side cam 3 with the stop platform 51 of described side retainer 5 block with, (Auto) position is controlled by detaining (Reset) position again to automatic again along indicating knob described in indicators turn 21, in this process, due to the effect of described first elastic component 32, make described side cam 3 turning anticlockwise, and now described side retainer 5 stops it to move, described side cam 3 is made to keep motionless state, described first elastic component 32 energy storage of described side cam 3, described cam 4 turns clockwise, after rotating to an angle, the described dropout part 71 of described middle retainer 7 fastens the described card 41 of described cam 4 under the effect of reaction spring, automatic control (Auto) position can be rested on, thus realize detaining again of operating mechanism, simultaneously, in described middle retainer 7 rotary course, drive described rocking arm 10 to work.
When break down overload, overcurrent time, Pyromagnetic release drives described warning push rod 6 to move in the direction of the arrow, in its motion process, promote described side retainer 5 rotate counterclockwise, after rotating certain distance, described side cam 5 is removed locking and is turned an angle counterclockwise under the effect of described first elastic component 32, realizes fault alarm.
When short circuit occurs, as shown in Figure 3, main circuit contact group promotes described push pedal 8 and moves in the direction of the arrow, described push pedal 8 promotes described protuberance 91 by described depressed part 81, thus drive described short circuit push rod 9 to move, the described cylinder 72 making the described projection piece 92 of described short circuit push rod 9 promote described middle retainer 7 moves, described middle retainer 7 turns clockwise, after rotating to an angle, the dropout part 71 of described middle retainer 7 unlocks to described cam 4, and described cam 4 is rotated counterclockwise to trip positions under torque spring effect.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (10)
1. an operating mechanism for control and protective switching device, comprises and is arranged at alarm mechanism on mounting panel (1) and tripping mechanism, wherein:
Alarm mechanism, comprises side cam (3) and side retainer (5), described side retainer (5) have to carry out with described side cam (3) card with or the stop platform (51) that is separated;
Tripping mechanism, comprises cam (4) and middle retainer (7), described middle retainer (7) have to carry out with described cam (4) card with or the dropout part (71) that is separated;
It is characterized in that, also comprise driving member, described driving member comprise for receive overload or over-current signal warning push rod (6), for receiving push pedal (8) and the short circuit push rod (9) of short-circuit signal, wherein:
Described push pedal (8) is provided with the first actuated piece, described short circuit push rod (9) be provided with match with described first actuated piece first by moving part, described in described push pedal (8) movement progress, first by moving part, and then drive described short circuit push rod (9) to move, described short circuit push rod (9) is provided with the second actuated piece, described middle retainer (7) be provided with match with described second actuated piece second by moving part, described short circuit push rod (9) motion drives the rotation of described middle retainer (7), described middle retainer (7) and described cam (4) are unlocked,
Described push pedal (8) is also provided with the 3rd actuated piece, described side retainer (5) be provided with match with described 3rd actuated piece the 3rd by moving part, described push pedal (8) motion drives the described 3rd to move by moving part, and then drive described side retainer (5) to rotate, described side retainer (5) and described side cam (3) are unlocked;
Described warning push rod (6) is provided with the 4th actuated piece, described side retainer (5) be provided with match with described 4th actuated piece the 4th by moving part, described in described warning push rod (6) movement progress, the 4th by moving part, and then drive described side retainer (5) to rotate, described side retainer (5) and described side cam (3) are unlocked.
2. the operating mechanism of control and protective switching device according to claim 1; it is characterized in that: described first actuated piece is for being arranged at the depressed part (81) at described push pedal (8) edge, and described first goes up and the protuberance (91) embedding described depressed part (81) for being arranged at described short circuit push rod (9) by moving part.
3. the operating mechanism of control and protective switching device according to claim 1; it is characterized in that: described second actuated piece is for being arranged at the projection piece (92) of described short circuit push rod (9) end; described second is subject to moving part for being arranged at the cylinder (72) of described middle retainer (7) end, and described cylinder (72) is corresponding before and after described short circuit push rod (9) direction of motion position with described projection piece (92).
4. the operating mechanism of control and protective switching device according to claim 3; it is characterized in that: described 3rd actuated piece is for being arranged at described push pedal (8) towards the projection (82) in retainer (5) one side of described side; described 3rd is subject to moving part for being arranged at the cantilever arm (52) of bottom, described side retainer (5); described push pedal (8) motion drives described projection (82) to promote described cantilever arm (52) motion, and then drives described side retainer (5) to rotate.
5. the operating mechanism of control and protective switching device according to claim 4, it is characterized in that: described push pedal (8) and described short circuit push rod (9) are arranged at described mounting panel (1) the same side, described cam (4), described side cam (3), described middle retainer (7), described side retainer (5) and described warning push rod (6) are arranged at the opposite side of described mounting panel (1), and described mounting panel (1) is provided with short circuit push rod gathering sill (129), described projection piece (92) passes described short circuit push rod gathering sill (129) from described mounting panel (1) side, and slide in described short circuit push rod gathering sill (129) realize with the contact of described middle retainer (7) be separated, described mounting panel (1) is provided with push pedal gathering sill (128), described cantilever arm (52) stretches in described push pedal gathering sill (128), described projection (82) stretches out described push pedal gathering sill (128) from described mounting panel (1) opposite side, and slide in described push pedal gathering sill (128) realize with the contact of described cantilever arm (52) be separated.
6. the operating mechanism of control and protective switching device according to claim 5, it is characterized in that: described side cam (3) comprises the first projection (31) being arranged at its side, and drive it to rotate backward first elastic component (32) of reset, described cam (4) is provided with ground floor cam surface and second layer cam surface, described ground floor cam surface is provided with card (41), the card of described card (41) and the described dropout part (71) of described middle retainer (7) and be separated the locking and disengaging that realize described cam (4), described second layer cam surface is provided with the receiving member (42) corresponding with described first projection (31), described first projection (31) is installed in described receiving member (42), described cam (4) is rotated and drives described side cam (3) to rotate.
7. the operating mechanism of control and protective switching device described according to claim 6; it is characterized in that: described side retainer (5) is also provided with the first stage clip (53) driving it to rotate backward reset; described side cam (3) is provided with the second projection (33), described stop platform (51) and described second projection (33) of described side retainer (5) carry out card with or be separated the locking or dropout that realize described side cam (3).
8. control and protective switching device described according to claim 7 operating mechanism; it is characterized in that: described middle retainer (7) comprises elasticity boss, fixing lug boss and orders about the extension spring that described middle retainer (7) is rotated counterclockwise; the merging that matches of described elasticity boss and described first cam surface is provided with described dropout part (71), described fixing lug boss is provided with rocking arm (10).
9. a control and protective switching device, is characterized in that: described control and protective switching device has the operating mechanism according to any one of claim 1-8.
10. control and protective switching device according to claim 9, is characterized in that: also comprise
Panel (2), described panel (2) is labeled with automatic control position, trip positions, open position and buckle position, it is provided with for manually operated indicating knob (21), the rotating shaft of described cam (4) stretches out described panel (2) and is connected with described indicating knob (21), and described indicating knob (21) rotates and drives described cam (4) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192085.8A CN103943388B (en) | 2014-05-08 | 2014-05-08 | Operating mechanism and there is the control and protective switching device of this operating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192085.8A CN103943388B (en) | 2014-05-08 | 2014-05-08 | Operating mechanism and there is the control and protective switching device of this operating mechanism |
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| Publication Number | Publication Date |
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| CN103943388A CN103943388A (en) | 2014-07-23 |
| CN103943388B true CN103943388B (en) | 2016-02-24 |
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| CN201410192085.8A Active CN103943388B (en) | 2014-05-08 | 2014-05-08 | Operating mechanism and there is the control and protective switching device of this operating mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106356262B (en) * | 2016-11-24 | 2018-04-10 | 天津航空机电有限公司 | A kind of drive link of breaker for Multiphase Parallel control |
| CN111326376A (en) * | 2020-03-09 | 2020-06-23 | 浙江柯欣电气有限公司 | Control and protection switch |
| CN112802710B (en) * | 2021-01-27 | 2025-08-12 | 浙江中凯科技股份有限公司 | Thermomagnetic adjustable structure and control and protection switch electric appliance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4939490A (en) * | 1989-02-17 | 1990-07-03 | General Electric Company | Molded case circuit breaker bell alarm unit |
| CN101923992B (en) * | 2010-08-20 | 2012-12-12 | 上海电科电器科技有限公司 | Control and protection switch operating mechanism for electrical appliances |
| CN202205671U (en) * | 2011-03-17 | 2012-04-25 | 浙江中凯科技股份有限公司 | Control and protective switching device |
| CN102655067B (en) * | 2012-04-17 | 2016-12-07 | 温州控保电气有限公司 | A kind of dual-power control and protective switching device |
| CN202585307U (en) * | 2012-06-06 | 2012-12-05 | 伊发控股集团有限公司 | Control and protective switching device |
| CN202905634U (en) * | 2012-11-30 | 2013-04-24 | 浙江中凯科技股份有限公司 | Operation mechanism of control and protective switching device |
| CN203787303U (en) * | 2014-05-08 | 2014-08-20 | 浙江中凯科技股份有限公司 | Operating mechanism and control and protection switching device with same |
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Denomination of invention: Operating mechanism and control and protection switchgear with the operating mechanism Effective date of registration: 20211025 Granted publication date: 20160224 Pledgee: China Merchants Bank (CMB) Limited by Share Ltd. Wenzhou branch Pledgor: ZHEJIANG JONK TECHNOLOGY Co.,Ltd. Registration number: Y2021330002033 |