CN103021746B - Operating mechanism controlling and protecting switching device - Google Patents
Operating mechanism controlling and protecting switching device Download PDFInfo
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- CN103021746B CN103021746B CN201210512667.0A CN201210512667A CN103021746B CN 103021746 B CN103021746 B CN 103021746B CN 201210512667 A CN201210512667 A CN 201210512667A CN 103021746 B CN103021746 B CN 103021746B
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Abstract
The invention discloses an operating mechanism controlling and protecting a switching device. The operating mechanism controlling and protecting the switching device comprises an alarm tripping mechanism including an alarm cam (2) and a tripping cam (3), a stop dog (1) provided with an alarm stop boss (102) and a tripping stop boss (101), an alarm tripping push rod (6) in contacted match with the stop dog (1) and receiving an overload signal or an overcurrent signal to drive the stop dog (1) to rotate, a poking rod (7) and a tripping rod (8). The tripping rod (8) rotates relative to the poking rod (7) and is in linkage with the poking rod (7), the poking rod (7) is provided with a fire protection device for overload alarm non-tripping and overcurrent alarm tripping and a basic device for overload alarm tripping and overcurrent alarm tripping. Only one set of operating mechanism can achieve selection between a fire protection function for alarming without tripping in current overload and a basic function for alarming and tripping in current overload while the volume for controlling and protecting the switching device is not increased.
Description
Technical field
The present invention relates to the control and protective switching device field in low-voltage electrical apparatus, particularly, relate to a kind of operating mechanism of control and protective switching device.
Background technology
" control and protective switching device " (or being called control protector) is the novel product in low-voltage electrical apparatus, and its product category code name is " CPS ", is the abbreviation of English " Control and Protective SwitchingDevice ".CPS can realize on the product of single structure form control and defencive function integrated, that internal coordination coordinates, can substitute multiple traditional discrete components 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 is to the electric current comprising under 690V, electric current connection in the electric power system of 0.16A to 125A, carrying and disjunction normal condition under the overload condition of regulation, and can connect, carry and non-normal condition that disjunction specifies under electric current (as short circuit current).KBO adopts the version of modular single product; the major function of integrated traditional circuit breaker (fuse), contactor, overload (or overcurrent, disconnected phase) protection relay, starter and isolator, has far distance automatic controlling and directly the function of manpower control, panel are indicated and dynamoelectric signal warning function have the time m-current protection characteristic (having inverse time lag, specified time and instantaneous three section protection characteristic) of cooperation on the spot.Match as required functional module or annex, can realize the motor load to general (not Fraquent start), the load of motor and control and the protection of power distribution circuit load of Fraquent start.
In prior art, circuit breaker has two types, warning tripping type and alarm non-tripping type.Warning tripping type circuit breaker, in the time of circuit overload or short circuit, will make warning device move and drive trip gear to move to thread off.
And alarm non-tripping type circuit breaker only sends alarm signal in the time of circuit overload, trip gear is not threaded off.For example, Chinese patent literature CN 202205671U discloses a kind of operating mechanism of control and protective switching device, comprises mounting panel and face-piece, and on face-piece, mark has automatic control position, dropout position, disjunction position and reset position, in mounting panel, being equipped with can be respectively and the Pyromagnetic release of control and protective switching device, main circuit contact group, the push rod of electromagnetism transmission mechanism parallel connection, push pedal, rocking arm, and have manually operated indicating knob, this indicating knob can be respectively as for automatic control position, dropout position, disjunction position, reset position and isolated location, be also equipped with warning cam in mounting panel, warning retainer, deflecting cam, dropout retainer, cam, middle retainer, deflecting cam can block mutually with dropout retainer, rotating counterclockwise the cam cam that can make to report to the police blocks mutually with warning retainer, deflecting cam blocks mutually with dropout retainer, warning cam and deflecting cam are threaded off by push rod and push pedal control respectively, deflecting cam can make the cam following of reporting to the police after threading off, and described push rod forms by transshipping push rod and overcurrent push rod.In this mechanism, described deflecting cam is nested in the perforate of described warning cam, described deflecting cam and described warning cam share same rotating shaft, described warning cam has certain rotating freely for angles with respect to described deflecting cam, therefore, described deflecting cam rotates and must drive described warning cam to rotate, and described warning cam rotation does not drive described deflecting cam to rotate, described warning cam turns an angle after output alarm signal and will under the effect of back-moving spring, reset, and it does not drive described deflecting cam to rotate to export trip signal.Therefore; this operating mechanism only can be realized fire control type function; an alarm non-tripping while overload; overcurrent or short circuit alarm also thread off to disconnect main circuit; and can not realize basic model function; i.e. overload, overcurrent and short circuit alarm dropout, thus limit the application of control and protective switching device in different field.
But warning tripping type circuit breaker and alarm non-tripping type circuit breaker belong to two and overlap independently product and device, in actual use, select different types according to different demands.If by the circuit breaker of above-mentioned two types integrator simply, to realize the selection that the overload alarm of identical product is threaded off or overload alarm is not threaded off between two kinds of functions, certainly will, by increasing the volume of circuit breaker, make complex structure simultaneously.
Therefore; the operating mechanism that the present invention is directed to the disclosed a kind of control and protective switching device of Chinese patent literature CN 202205671U has been done further improvement; to provide a kind of in not increasing control and protective switching device volume, only just can realize when the current overload operating mechanism of the control and protective switching device of selecting between the basic model function that only the fire control type function of alarm non-tripping and current overload alarm are threaded off by a set of operating mechanism.
Summary of the invention
Technical problem to be solved by this invention is the operating mechanism of existing control and protective switching device alarm non-tripping can not simultaneously realize the overload of fire control type function time; overcurrent alarm is also threaded off and the overload of basic model function, overcurrent alarm the deficiency of threading off, thereby a kind of operating mechanism that only just can realize when the current overload control and protective switching device of only selecting between the fire control type function of alarm non-tripping and the basic model function of current overload alarm dropout by a covering device is provided.
To achieve these goals, the invention provides a kind of operating mechanism of control and protective switching device, comprise warning tripping mechanism, comprise warning cam and deflecting cam, described warning cam and the servo-actuated setting of described deflecting cam and described warning cam have free slewing area with respect to described deflecting cam; On described warning cam, be provided with alarm card platform and drive described warning cam to rotate and reset to transmit the first elastomeric element of alarm signal; On described deflecting cam, be provided with the trip arm and drive described deflecting cam to rotate and reset to transmit the second elastomeric element of trip signal;
Retainer, has the warning stop ledge of closing or separating with described alarm card decometer and the dropout stop ledge that engages or separate with described the trip arm;
Warning dropout push rod, contacts with described retainer and coordinates and receive overload signal or over-current signal to drive described retainer to rotate;
Also comprise driving lever and release lever on the mounting panel that is arranged on described operating mechanism, described release lever has and separates or contact the protuberance of linkage with described warning cam and contact and promote the dropout end that described retainer rotates with described retainer, described release lever rotates and arranges with described driving lever interlock relative to described driving lever, described driving lever has the overload-alarm non-tripping that the described protuberance of described release lever is separated with described warning cam, overcurrent report to the police thread off fire-fighting position and make the described protuberance of described release lever contact the overload of linkage with described warning cam, the home position that overcurrent warning is threaded off.
The operating mechanism of above-mentioned control and protective switching device, has cylinder on described warning cam, after described protuberance contacts with described cylinder, links with described warning cam and described retainer.
The operating mechanism of above-mentioned control and protective switching device; described driving lever has be suitable for manually making its clicking section of changing and accommodation section for being connected described release lever between described fire-fighting position and described home position; described release lever has jut, and described jut is arranged in described accommodation section.
The operating mechanism of above-mentioned control and protective switching device, is provided with on described mounting panel for the support spacing to described driving lever, and described driving lever is arranged between described mounting panel and described support, and protrude in the hole from described support described clicking section.
The operating mechanism of above-mentioned control and protective switching device, is provided with the elastic component that described driving lever is positioned respectively in described home position and described fire-fighting position on described support.
The operating mechanism of above-mentioned control and protective switching device, is provided with the locating part spacing to described release lever on described mounting panel, described release lever contacts cooperation with described locating part.
The operating mechanism of above-mentioned control and protective switching device, described deflecting cam is arranged in described warning cam and with described warning cam coaxial and is rotatably installed on described mounting panel.
The operating mechanism of above-mentioned control and protective switching device, described retainer comprises warning retainer and dropout retainer, described warning retainer and the servo-actuated setting of described dropout retainer and described warning retainer are free to rotate with respect to described dropout retainer; Described warning retainer has and drives it to rotate backward the first stage clip and the described warning stop ledge of reset, and described dropout retainer has and drives it to rotate backward the second stage clip and the described dropout stop ledge of reset.
The operating mechanism of above-mentioned control and protective switching device, described warning retainer is arranged in described dropout retainer and with described dropout retainer coaxial rotation and is arranged on the mounting panel of described operating mechanism.
The operating mechanism of above-mentioned control and protective switching device; described warning dropout push rod comprises warning push rod and dropout push rod; described warning push rod and the servo-actuated setting of described dropout push rod and described warning push rod can independently move with respect to described dropout push rod; described warning push rod contacts cooperation with described warning retainer, and described dropout push rod contacts cooperation with described dropout retainer.
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, its driving lever has fire-fighting position and home position, release lever and driving lever are servo-actuated and can turn an angle with respect to driving lever, when driving lever is during in fire-fighting position, release lever separates with warning cam, the fire-fighting demand of an alarm non-tripping and overcurrent alarm dropout can meet overload time, when driving lever is during in home position, release lever contacts with warning cam and can drive retainer action, the primary demand that can meet overload flow alarm and thread off, thereby in a set of operating mechanism, drive release lever to shift one's position by driving lever, thereby realize the selection between fire-fighting function and basic function, applied range, and compact conformation is reasonable.
(2) operating mechanism of control and protective switching device of the present invention; its retainer adopts two stopper structures of warning retainer and dropout retainer; warning tripping mechanism adopts the double-cam structure of warning cam and deflecting cam; push rod adopts two pusher structures of warning push rod and dropout push rod; therefore can avoid the misoperation of operating mechanism, there is having stable behavior, reliable feature.
(3) operating mechanism of control and protective switching device of the present invention; it is for carrying out being provided with on spacing support the elastic component that driving lever is positioned respectively in home position and fire-fighting position to driving lever; make the work of driving lever more stable, can not be subject to that extraneous shock disturbs and variation that its position occurs.
(4) operating mechanism of control and protective switching device of the present invention; described dropout retainer and described warning retainer that it comprises can be one-body molded; described warning push rod and described dropout push rod also can be one-body molded; make the above-mentioned parts can be in realizing said function; convenient processing, simple in structure.
Brief description of the drawings
For content of the present invention is more easily expressly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 represents the outside perspective view of operating mechanism of the present invention;
Fig. 2 represents the inside perspective view of operating mechanism of the present invention;
Fig. 3 represents the inner body perspective view of operating mechanism of the present invention;
Fig. 4 represents the structural representation that the driving lever of operating mechanism of the present invention coordinates with release lever;
Fig. 5 represents the structural representation that the release lever of operating mechanism of the present invention rotates relative to driving lever;
The structural representation of the driving lever that Fig. 6 represents operating mechanism of the present invention in fire control type position of function;
The structural representation of the driving lever that Fig. 7 represents operating mechanism of the present invention in basic model position of function;
Fig. 8 represents the warning cam of operating mechanism of the present invention and the structural representation of warning retainer snap close;
Fig. 9 represents the warning cam of operating mechanism of the present invention and the structural representation that warning retainer is threaded off;
Figure 10 represents the deflecting cam of operating mechanism of the present invention and the structural representation of dropout retainer snap close;
Figure 11 represents the deflecting cam of operating mechanism of the present invention and the structural representation that dropout retainer is threaded off;
Figure 12 represents the middle retainer of operating mechanism of the present invention and the structural representation of cam and deflecting cam snap close;
Figure 13 represents that the deflecting cam of operating mechanism of the present invention backs down the structural representation that middle retainer is threaded off itself and cam.
Description of reference numerals
1-retainer, 2-warning cam, 3-deflecting cam, 4-the first elastomeric element, 5-the second elastomeric element, 6-warning dropout push rod, 7-driving lever, 8-release lever, 9-cylinder, 10-clicking section, 11-accommodation section, 12-jut, 13-mounting panel, 14-support, 15-hole, 16-locating part, 17-alarm card platform, 18-the trip arm, 19-warning retainer, 20-dropout retainer, 21-warning push rod, 22-dropout push rod, 23-rocking arm, retainer in 24-, 25-cam, 26-boss, 27-extension spring, 28-handle piece, 29-short circuit push pedal, 30-the first stage clip, 31-the first rotating shaft, 32-the second rotating shaft, 33-the 3rd rotating shaft, 34-the 4th rotating shaft, 81-protuberance, the 82-end of threading off, 101-dropout stop ledge, 102-warning stop ledge.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
embodiment mono-
As shown in Fig. 1,2 and 3, the operating mechanism of the control and protective switching device of embodiment mono-comprises warning tripping mechanism, retainer 1, warning dropout push rod 6, driving lever 7 and release lever 8, wherein:
Described warning tripping mechanism includes for the warning cam 2 of output alarm signal with for exporting the deflecting cam 3 of trip signal.
Described warning cam 2 is installed in rotation on by rotating shaft on the mounting panel 13 of described operating mechanism, is provided with alarm card platform 17 and can drives described warning cam 2 to rotate the first elastomeric element 4 that resets and then transmit alarm signal on described warning cam 2.Described the first elastomeric element 4 can be spring.
Described deflecting cam 3 is installed in rotation on the mounting panel 13 of described operating mechanism by rotating shaft equally, is provided with the trip arm 18 and can drives described deflecting cam 3 to rotate the second elastomeric element 5 that resets and then transmit trip signal on described deflecting cam 3.Described the second elastomeric element 5 can be torsion spring.
Described warning cam 2 has certain free slewing area with the servo-actuated setting of described deflecting cam 3 and described warning cam 2 with respect to described deflecting cam 3, be that described warning cam 2 should meet following action relationships with the fit structure of described deflecting cam 3: described deflecting cam 3 rotates and must drive described warning cam 2 to rotate, described warning cam 2 can rotate with respect to described deflecting cam 3 within the scope of certain angle, but does not drive described deflecting cam 3 to rotate.Therefore,, on the basis that meets above-mentioned action relationships, described warning cam 2 can be rotatably installed in respectively on the mounting panel 13 of described operating mechanism by rotating shaft separately with described deflecting cam 3.
Or in other embodiments, as shown in Figure 3, described warning cam 2 has perforate, in the nested described perforate that is arranged on described warning cam 2 of described deflecting cam 3, described warning cam 2 and described deflecting cam 3 are arranged on the mounting panel 13 of described operating mechanism rotationally by the first common rotating shaft 31.
Described retainer 1 includes the warning retainer 19 coordinating with described warning cam 2 and the dropout retainer 20 coordinating with described deflecting cam 3.
Described warning retainer 19 has can drive its first stage clip 30 that rotates backward reset and the warning stop ledge 102 that can engage or separate with the described alarm card platform 17 of described warning cam 2.
Described dropout retainer 20 has can drive its second stage clip that rotates backward reset and the dropout stop ledge 101 that can engage or separate with described the trip arm 18 of described deflecting cam 3.
In like manner, described warning retainer 19 is free to rotate with respect to described dropout retainer 20 with the servo-actuated setting of described dropout retainer 20 and described warning retainer 19, be that described warning retainer 19 should meet following action relationships with the fit structure of described dropout retainer 20: described dropout retainer 20 rotates and must drive described warning retainer 19 to rotate, described warning retainer 19 can rotate with respect to described dropout retainer 20 within the scope of certain angle, but does not drive described dropout retainer 20 to rotate.Therefore,, on the basis that meets above-mentioned action relationships, described warning retainer 19 can be rotatably installed in respectively on the mounting panel 13 of described operating mechanism by rotating shaft separately with described dropout retainer 20.
Or in other embodiments, as shown in Figure 3, on described dropout retainer 20, be provided with perforate, in the nested described perforate that is arranged on described dropout retainer 20 of described warning retainer 19, described warning retainer 19 and described dropout retainer 20 are arranged on the mounting panel 13 of described operating mechanism rotationally by the second common rotating shaft 32.
As shown in Figure 3, described warning dropout push rod 6 contacts with described retainer 1 and coordinates and receive overload signal or over-current signal to drive described retainer 1 to rotate.Described warning dropout push rod 6 includes warning push rod 21 and dropout push rod 22, described warning push rod 21 contacts with described warning retainer 19 and coordinates and receive overload signal to drive described warning retainer 19 to rotate, and described dropout push rod 22 contacts with described dropout retainer 20 and coordinates and accept over-current signal to drive described dropout retainer 20 to rotate.
Described warning push rod 21 can independently move with respect to described dropout push rod 22 with the servo-actuated setting of described dropout push rod 22 and described warning push rod 21, be that described warning push rod 21 should meet following action relationships with described dropout push rod 22: described dropout push rod 22 moves and must drive described warning push rod 21 to move, described warning push rod 21 can move within the specific limits with respect to described dropout push rod 22, but does not drive described dropout push rod 22 to move.
With reference to Figure 4 and 5, described driving lever 7 and described release lever 8 can be arranged on the mounting panel 13 of described operating mechanism movably.As shown in Figure 4, on described driving lever 7, have and be suitable for manually making clicking section 10 of its mobile conversion between fire-fighting position and home position and accommodation section 11 for being connected described release lever 8.Described release lever 8 has jut 12, and described jut 12 is arranged in described accommodation section 11.As shown in Figure 5, described release lever 8 rotates and arranges with described driving lever 7 interlocks relative to described driving lever 7, and described release lever 8 can move along with the movement of described driving lever 7 and can rotate certain angle with respect to described driving lever 7.
With reference to figure 3 and Fig. 5, on described release lever 8, be also provided with protuberance 81 and the end 82 of threading off, described protuberance 81 can separate or contact with described warning cam 2, after described protuberance 81 contacts with described warning cam 2, described release lever 8 will link together in described warning cam 2, and described dropout end 82 can contact and promote described dropout retainer 1 with the described dropout retainer 20 in described retainer 1 and rotate.
In addition, as shown in Figure 3, in order further to ensure that described release lever 8 contacts interlock better with described warning cam 2, preferably, on described warning cam 2, can be provided with cylinder 9, after the described protuberance 81 of described release lever 8 contacts with described cylinder 9, thereby described release lever 8 will link and drive the described dropout retainer 20 of described retainer 1 to rotate with described warning cam 2 under the drive at described warning cam 2.
As shown in Figure 6 and Figure 7, described driving lever 7 has the overload-alarm non-tripping that the described protuberance 81 of described release lever 8 is separated with described warning cam 2, the fire-fighting position that overcurrent warning is threaded off and the described protuberance 81 that makes described release lever 8 and contacts the overload of linkage, the home position that overcurrent warning is threaded off with described warning cam 2, and operator can make described driving lever 7 transform between described fire-fighting position and described home position by stirring described clicking section 10.Described in specific as follows:
Fig. 6 represents that described driving lever 7 is in fire-fighting position, and now, the described protuberance 81 of described release lever 8 separates with the described cylinder 9 of described warning cam 2, and described release lever 8 does not produce any action relationships with described warning cam 2.
Fig. 7 represents that described driving lever 7 is in home position, now, the described protuberance 81 of described release lever 8 is in contact with one another and coordinates with the described cylinder 9 of described warning cam 2, and described release lever 8 rotates moving and promote described dropout retainer 20 under the drive at described warning cam 2.
According to the above detailed introduction to described operating mechanism, describe in detail to get off in the present embodiment one, described driving lever 7 in the time of fire-fighting position and home position, the whole operating principle of described operating mechanism.
Described operating mechanism is in the time of automatic control state, and as shown in Figure 8, the described alarm card platform 17 of described warning cam 2 is fastened in the described warning stop ledge 102 of described warning retainer 19; As shown in Figure 2, one end of described the first elastomeric element 4 is connected on the described cylinder 9 of described warning cam 2, and the other end is connected on described mounting panel 13; As shown in figure 10, described the trip arm 18 of described deflecting cam 3 is fastened on the described dropout braking boss 101 of described dropout retainer 20; As shown in Figure 2, described the second elastomeric element 5 is sleeved in described the first rotating shaft 31, and its one end is connected on described deflecting cam 3, and the other end is fixed on described cylinder 9.
When described driving lever 7 is positioned at described fire-fighting position, the described protuberance 81 of described release lever 8 separates with the described cylinder 9 of described warning cam 2, and described release lever 8 does not produce any action relationships with described warning cam 2.
In the time breaking down overload, as shown in Figure 8, overload is controlled by described warning push rod 21, described warning push rod 21 moves, described dropout push rod 22 does not move, described warning push rod 21 will move to promote described warning retainer 19 along L direction and be rotated counterclockwise, and rotate, so can not drive described dropout retainer 20 to rotate because described warning retainer 19 can be independent of described dropout retainer 20; The described alarm card platform 17 of described warning cam 2 is fastened in the described warning stop ledge 102 of described warning retainer 19, described warning retainer 19 is rotated counterclockwise described drive warning cam 2 is clockwise rotated, meanwhile, described warning cam 2 will make described the first elastomeric element 4 stretch gradually and produce elastic force; After described warning push rod 21 continues to promote that described warning stop ledge 102 is separated with described alarm card platform 17; as shown in Figure 9; after described warning cam 2 is removed locking and is turned an angle counterclockwise under the elastic-restoring force effect of described the first elastomeric element 4; drive Alarm contactor in KBO control and protective switching device (in figure for illustrating) action, realize the function of transshipping alarm.
In the time breaking down overcurrent, as shown in figure 10, overcurrent is controlled by described dropout push rod 22, because the stroke of described dropout push rod 22 is longer, as shown in arrow M, described dropout push rod 22 will promote described dropout retainer 20 and rotate, and described dropout retainer 20 rotates and must drive described warning retainer 19 to rotate; Because described the trip arm 18 of described deflecting cam 3 is fastened on the described dropout braking boss 101 of described dropout retainer 20, so described dropout retainer 20 rotates counterclockwise, described drive deflecting cam 3 is clockwise rotated, meanwhile, described deflecting cam 3 will make described the second elastomeric element 5 produce elastic force; Described dropout push rod 22 continues to promote described dropout retainer 20 and rotates, described the trip arm 18 of described deflecting cam 3 and the described dropout braking boss 101 of described dropout retainer 20 are separated, as shown in figure 11, described deflecting cam 3 is removed locking and rotate counterclockwise output trip signal under the elastic force effect of described the second elastomeric element 5, meanwhile, described warning cam 2 also will be removed locking output alarm signal, thereby realize the function that overcurrent alarm is threaded off.
Therefore,, when described driving lever 7 is positioned at described fire-fighting position, can realize the fire-fighting function that overload is only reported to the police, overcurrent is reported to the police dropout.
When described driving lever 7 is positioned at described home position, the described protuberance 81 of described release lever 8 contacts with the described cylinder 9 of described warning cam 2, and described release lever 8 also can promote described dropout retainer 20 with described warning cam 2 interlocks and rotate.
In the time breaking down overload, as mentioned above, described warning push rod 21 receives overload signal and moves to promote described warning retainer 19 and rotate counterclockwise, after described warning retainer 19 turns an angle, described warning cam 2 is contacted to locking, as mentioned above, described warning cam 2, by rotating counterclockwise under the elastic-restoring force effect at described the first elastomeric element, is realized the output of alarm signal, simultaneously, because the described cylinder 9 on described warning cam 2 contacts with the described protuberance 81 on described release lever 8, therefore, described warning cam 2 rotates counterclockwise simultaneously described drive release lever 8 is rotated counterclockwise around described driving lever 7, the described dropout end 82 of described release lever 8 rotates counterclockwise described promotion dropout retainer 20, as mentioned above, described dropout retainer 20 is removed locking to described deflecting cam 3 after rotating counterclockwise certain angle, described deflecting cam 3 rotates counterclockwise reset under the elastic force effect of described the second elastomeric element, thereby realize the output of trip signal.
In the time breaking down overcurrent, as mentioned above, described dropout push rod 3 receives over-current signal and moves and promote described dropout retainer 20 and rotate counterclockwise, described dropout retainer 20 will contact locking to described deflecting cam 3 after rotating counterclockwise certain angle, described deflecting cam 3 rotates counterclockwise reset under the elastic force effect of described the second elastomeric element, realizes the output of trip signal.
Therefore, when described driving lever 7 is positioned at described home position, the basic function of not only having reported to the police but also having threaded off can realize overload, overcurrent time.
In sum; the operating mechanism of the control and protective switching device described in the present embodiment one; on the basis of the operating mechanism of the original disclosed control and protective switching device of background technology; by increasing described driving lever 7 and described release lever 8; in the situation that not increasing control and protective switching device volume, only just can realize and transship alarm non-tripping only, the overcurrent fire-fighting function of threading off and overload, the overcurrent basic function of threading off of all reporting to the police of reporting to the police by a set of operating mechanism.
In addition, on the described mounting panel 13 of described operating mechanism, can be provided with for the support 14 spacing to described driving lever 7, on described support 14, there is hole 15, described driving lever 7 is arranged between described mounting panel 13 and described support 14 described clicking section 10 is protruded from described hole 15, so that in spacing to described driving lever 7, can make operator stir easily described clicking section 10 to drive the conversion mutually between two position of described driving lever 7.
Stability when ensureing that described driving lever 7 is positioned at described home position or described fire-fighting position, preferably, is provided with the elastic component that described driving lever 7 is positioned respectively in described home position and described fire-fighting position on described support 14.This elastic component is not specifically limited herein, as long as can realize, described driving lever 7 is positioned.
In addition, as shown in Figure 2, be provided with the locating part 16 spacing to described release lever 8 on described mounting panel 13, described release lever 8 contacts cooperation with described locating part 16.
Finally, as shown in Figures 12 and 13, the operating mechanism of control and protective switching device of the present invention also comprises rocking arm 23, middle retainer 24 and cam 25, described cam 25 is rotatably installed on described mounting panel 13 by the 3rd rotating shaft 33, described middle retainer 24 is rotatably installed on described mounting panel 13 by the 4th rotating shaft 34, the fixing lug boss of described middle retainer 24 contacts cooperation with the boss 26 of described deflecting cam 3, as shown in N point in Figure 12, the elasticity boss of described middle retainer 24 coordinates with described cam 25, on described middle retainer 24, be provided with and drive it to rotate the extension spring 27 resetting, as shown in Figure 2, the spring that is provided with handle piece 28 in described cam 25 and drives described cam 25 to rotate, described rocking arm 23 is installed with described middle retainer 24 coaxial rotation.
It should be noted that herein; parts operating principle corresponding in the miscellaneous part that the operating principle of described rocking arm 23, middle retainer 24 and cam 25 and operating mechanism of the present invention also comprise and the operating mechanism of the disclosed a kind of control and protective switching device of Chinese patent literature CN 202205671U is identical, no longer elaborates at this.
In addition, as shown in Figure 1, described operating mechanism also comprises the short circuit push pedal 29 that receives short-circuit signal, described short circuit push pedal 29 contacts with described dropout retainer 20 and drives described dropout retainer 20 to rotate so that described deflecting cam 3 is threaded off with described dropout retainer 20, thereby in the time there is short circuit, described dropout retainer 20 rotates and throws off with described deflecting cam 3 under the impetus of described short circuit push pedal 29, described deflecting cam 3 rotates and is blocked mutually and driven described middle retainer 24 to rotate by described boss 26 and the fixing lug boss of described middle retainer 24 after threading off, described middle retainer 24 drives described rocking arm 23 to rotate the circuit breaker disconnection that makes to control main circuit simultaneously, because described warning retainer 19 can move with described dropout retainer 20, described warning cam 2 is also threaded off and is given the alarm.
embodiment bis-
In the present embodiment, described warning retainer 19 and described dropout retainer 20 that described retainer 1 comprises are one-body molded, be on described retainer 1, to be provided with the warning stop ledge 102 for engaging with the described alarm card platform 17 of described warning cam 2 or separate and the dropout stop ledge 101 that engages or separate with described the trip arm 18 of described deflecting cam 3, wherein, the drop-away time of described dropout braking boss 101 and described deflecting cam 3 is greater than the drop-away time of described warning stop ledge 102 and described warning cam 2.Except above-mentioned, other structures of the described operating mechanism of the present embodiment are identical with the operating mechanism in embodiment mono-, no longer describe in detail at this.
The operating principle of described retainer 1 is as follows:
Described driving lever 7 is in the time of fire-fighting position, described warning push rod 6 receives overload signal and moves and promote described retainer 1 and rotate, because described dropout braking boss 101 and the drop-away time of described deflecting cam 3 are greater than the drop-away time of described warning stop ledge 102 and described warning cam 2, therefore, described warning cam 2 and described alarm, brake boss 102 are by dropout output alarm signal, simultaneously, described warning push rod 6 stops mobile, described dropout braking boss 101 is not yet threaded off with described deflecting cam 3, thereby meets the only fire-fighting demand of alarm non-tripping of transshipping.
Described driving lever 7 is in the time of home position, because described release lever 8 contacts with described warning cam 2, therefore, the rotation of described warning cam 2 is rotated described drive release lever 8 and is promoted described retainer 1 and is rotated further, make described deflecting cam 3 thread off and export trip signal with described dropout braking boss 101, thereby meet the primary demand that overload-alarm is threaded off.
embodiment tri-
In the present embodiment, described warning push rod 21 and described dropout push rod 22 that described warning dropout push rod 6 comprises are one-body molded, be that described warning dropout push rod 6 can either receive overload signal and move, also can receive over-current signal and move, now, described warning dropout push rod 6 receives stroke that overload signal moves and is less than and receives the stroke that over-current signal moves.In addition, other structures of the described operating mechanism of the present embodiment and operating mechanism in embodiment mono-or identical with the operating mechanism in embodiment bis-, be no longer described in detail at this.
The operating principle of described warning dropout push rod 6 is as follows:
Described driving lever 7 is in the time of fire-fighting position, described warning dropout push rod 6 receives overload signal and moves and promote described retainer 1 and rotate, be less than and receive the stroke that over-current signal moves because described warning dropout push rod 6 receives stroke that overload signal moves, described warning cam 2 is by dropout output alarm signal, mobile owing to just stopping after described warning dropout push rod 6 mobile alarm strokes, therefore, described deflecting cam 3 is not yet threaded off, thereby meets the only fire-fighting demand of alarm non-tripping of when overload.
Described driving lever 7 is in the time of home position, because described release lever 8 contacts with described warning cam 2, therefore, the rotation of described warning cam 2 is rotated described drive release lever 8 and is promoted described retainer 1 and is rotated further, make described deflecting cam 3 thread off and export trip signal with described dropout braking boss 101, thereby meet the primary demand that overload alarm is threaded off.
Obviously, above-described embodiment is only for example is clearly described, not the restriction to execution mode.Those of ordinary skill in the field can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.The apparent variation of being extended out thus or variation are still among the protection range in the invention.
Claims (10)
1. an operating mechanism for control and protective switching device, comprises
Warning tripping mechanism, comprise warning cam (2) and deflecting cam (3), described warning cam (2) has free slewing area with the servo-actuated setting of described deflecting cam (3) and described warning cam (2) with respect to described deflecting cam (3); On described warning cam (2), be provided with alarm card platform (17) and drive described warning cam (2) to rotate and reset to transmit first elastomeric element (4) of alarm signal; On described deflecting cam (3), be provided with the trip arm (18) and drive described deflecting cam (3) to rotate and reset to transmit second elastomeric element (5) of trip signal;
Retainer (1), has and described alarm card platform (17) engaging or the warning stop ledge (102) separating and the dropout stop ledge (101) that engages or separate with described the trip arm (18);
Warning dropout push rod (6), contacts with described retainer (1) and coordinates and receive overload signal or over-current signal to drive described retainer (1) to rotate;
It is characterized in that, also comprise driving lever (7) and release lever (8) on the mounting panel (13) that is arranged on described operating mechanism, described release lever (8) have with described warning cam (2) separate or contact the protuberance (81) of linkage contact with described retainer (1) and promote described retainer (1) rotate dropout end (82), described release lever (8) rotates and arranges with described driving lever (7) interlock relative to described driving lever (7), described driving lever (7) has the overload-alarm non-tripping that the described protuberance (81) of described release lever (8) is separated with described warning cam (2), overcurrent report to the police thread off fire-fighting position and make the described protuberance (81) of described release lever (8) contact the overload of linkage with described warning cam (2), the home position that overcurrent warning is threaded off.
2. the operating mechanism of control and protective switching device according to claim 1; it is characterized in that; on described warning cam (2), there is cylinder (9), after described protuberance (81) contacts with described cylinder (9), link with described warning cam (2) and described retainer (1).
3. the operating mechanism of control and protective switching device according to claim 2; it is characterized in that; described driving lever (7) has be suitable for manually making its clicking section (10) of changing and accommodation section (11) for being connected described release lever (8) between described fire-fighting position and described home position; described release lever (8) has jut (12), and described jut (12) is arranged in described accommodation section (11).
4. the operating mechanism of control and protective switching device according to claim 3; it is characterized in that; on described mounting panel (13), be provided with for the support (14) spacing to described driving lever (7); described driving lever (7) is arranged between described mounting panel (13) and described support (14), in described clicking section (10) hole (15) from described support (14), protrudes.
5. the operating mechanism of control and protective switching device according to claim 4; it is characterized in that, on described support (14), be provided with the elastic component that described driving lever (7) is positioned respectively in described home position and described fire-fighting position.
6. according to the operating mechanism of the arbitrary described control and protective switching device of claim 1-5; it is characterized in that; on described mounting panel (13), be provided with the locating part (16) spacing to described release lever (8), described release lever (8) contacts cooperation with described locating part (16).
7. the operating mechanism of control and protective switching device according to claim 6; it is characterized in that, described deflecting cam (3) is arranged in described warning cam (2) and with described warning cam (3) coaxial rotation and is arranged on described mounting panel (13).
8. the operating mechanism of control and protective switching device according to claim 7, it is characterized in that, described retainer (1) comprises warning retainer (19) and dropout retainer (20), and described warning retainer (19) is free to rotate with respect to described dropout retainer (20) with the servo-actuated setting of described dropout retainer (20) and described warning retainer (19);
Described warning retainer (19) has and drives it to rotate backward the first stage clip (30) and the described warning stop ledge (102) of reset, and described dropout retainer (20) has driving, and it rotates backward the second stage clip and the described dropout stop ledge (101) of reset.
9. the operating mechanism of control and protective switching device according to claim 8; it is characterized in that, described warning retainer (19) is arranged in described dropout retainer (20) and with described dropout retainer (20) coaxial rotation and is arranged on the mounting panel (13) of described operating mechanism.
10. the operating mechanism of control and protective switching device according to claim 9; it is characterized in that; described warning dropout push rod (6) comprises warning push rod (21) and dropout push rod (22); described warning push rod (21) can independently move with respect to described dropout push rod (22) with the servo-actuated setting of described dropout push rod (22) and described warning push rod (21); described warning push rod (21) contacts cooperation with described warning retainer (19), and described dropout push rod (22) contacts cooperation with described dropout retainer (20).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210512667.0A CN103021746B (en) | 2012-11-30 | 2012-11-30 | Operating mechanism controlling and protecting switching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210512667.0A CN103021746B (en) | 2012-11-30 | 2012-11-30 | Operating mechanism controlling and protecting switching device |
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| CN103021746A CN103021746A (en) | 2013-04-03 |
| CN103021746B true CN103021746B (en) | 2014-11-05 |
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| CN201210512667.0A Active CN103021746B (en) | 2012-11-30 | 2012-11-30 | Operating mechanism controlling and protecting switching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109243929A (en) * | 2018-10-30 | 2019-01-18 | 德力西电气有限公司 | A kind of breaker of plastic casing with adjustable type overload-alarm non-tripping function |
| CN117685852A (en) * | 2023-12-22 | 2024-03-12 | 广州市泰基工程技术有限公司 | Device and method for monitoring concrete pouring height of cast-in-place pile in real time |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0295158A1 (en) * | 1987-06-09 | 1988-12-14 | Merlin Gerin | Control mechanism for a miniature electric switch |
| CN101299402A (en) * | 2008-05-31 | 2008-11-05 | 常熟开关制造有限公司(原常熟开关厂） | Pyromagnetic release |
| 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 |
-
2012
- 2012-11-30 CN CN201210512667.0A patent/CN103021746B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0295158A1 (en) * | 1987-06-09 | 1988-12-14 | Merlin Gerin | Control mechanism for a miniature electric switch |
| CN101299402A (en) * | 2008-05-31 | 2008-11-05 | 常熟开关制造有限公司(原常熟开关厂） | Pyromagnetic release |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| JP昭63-313445A 1988.12.21 * |
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