CN203966993U - Electronic type molded case circuit breaker - Google Patents
Electronic type molded case circuit breaker Download PDFInfo
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- CN203966993U CN203966993U CN201420295820.3U CN201420295820U CN203966993U CN 203966993 U CN203966993 U CN 203966993U CN 201420295820 U CN201420295820 U CN 201420295820U CN 203966993 U CN203966993 U CN 203966993U
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Abstract
The disclosed a kind of electronic type molded case circuit breaker of the utility model, it comprises breaker body, described breaker body comprises base, upper cover plate and an automatic reclosing brake mechanism switching for realizing circuit breaker open/close state, described automatic reclosing brake mechanism comprises electric machine assembly, gear unit and for the performance element of driving switch divide-shut brake, wherein, described electric machine assembly drives gear unit, gear unit drives the switch lever of performance element operating switch, described automatic reclosing brake mechanism is located in described breaker body, in described connector body, be provided with the sunk installing hole for described electric machine assembly is installed.In the utility model, described automatic reclosing brake mechanism is located at the inside of described breaker body, and described electric machine assembly is arranged in described sunk installing hole to sink to mode, thereby reduce the whole height of this circuit breaker, make its compact conformation, take volume little, be beneficial to little space mounting and the use of this circuit breaker.
Description
Technical field
The utility model relates to a kind of circuit breaker, relates in particular to a kind of electronic type molded case circuit breaker with automatic switching-in function.
Background technology
Along with the development of China's intelligent grid, under the prerequisite that requires safe operation of electric network, need in a hurry control apparatus intellectuality, and circuit breaker of the prior art automatic closing in time, also need user's manual operation, make troubles to user, can not adapt to the needs of electrical network intelligent development.
Chinese patent literature CN102768922A discloses the slide block device of the electronic automatic reclosing of a kind of circuit breaker mechanism for this reason, comprise for electronic automatic reclosing brake mechanism and be configured to the support on circuit breaker, be arranged on the guide rail on support, also comprise the top shoe that can slide along guide rail, sliding block and a buffer unit, the power transmission shaft of top shoe and electronic automatic reclosing brake mechanism is connected, sliding block is connected to drive the on/off switch operation of circuit breaker with the operating grip of circuit breaker, buffer unit is arranged between top shoe and sliding block so that the Elastic Contact between top shoe and sliding block to be provided, on the power transmission shaft of electronic automatic reclosing brake mechanism, ball bearing is installed, the ball bearing being formed with on top shoe for electronic automatic reclosing brake mechanism is provided holds the elongated slot of joining in it, on sliding block, be formed with the notch for holding breaker operator handle.In the slide block device of the electronic automatic reclosing of the circuit breaker described in above-mentioned patent documentation mechanism, circuit breaker is in the time of "on" position, when rotating under the effect of ball bearing at power transmission shaft, promotion top shoe moves right, and top shoe promotes the spring in buffer unit, thereby drive sliding block to move right, form the translation to the right of upper and lower slide block entirety, the final operating grip that promotes turns to open position, completes the separating brake of circuit breaker; Need to close a floodgate time, otherwise.
But the slide block device of the electronic automatic reclosing of the circuit breaker mechanism described in above-mentioned patent documentation has the following disadvantages: this carriage is located at the top of described Shell of circuit breaker, thereby increase to a certain extent the whole height of circuit breaker, cause circuit breaker insufficient height compactness and overall volume large, distribution box that cannot be little with some interior spaces mates.
Utility model content
For this reason, technical problem to be solved in the utility model is in the circuit breaker of prior art, and electric operating structure is located at circuit breaker top, increased the whole height of circuit breaker, the little space that is unfavorable for circuit breaker is used, and then the electronic type molded case circuit breaker that a kind of whole height is little is provided.
For solving the problems of the technologies described above, a kind of electronic type molded case circuit breaker of the present utility model, it comprises breaker body, described breaker body comprises base, upper cover plate and an automatic reclosing brake mechanism switching for realizing circuit breaker open/close state, described automatic reclosing brake mechanism comprises electric machine assembly, gear unit and for the performance element of driving switch divide-shut brake, wherein, described electric machine assembly drives gear unit, gear unit drives the switch lever of performance element operating switch, it is characterized in that: described automatic reclosing brake mechanism is located in described breaker body, in described connector body, be provided with the sunk installing hole for described electric machine assembly is installed.
In this electronic type molded case circuit breaker, between described base and described upper cover plate, be also provided with cover plate, described sunk installing hole is vertically molded in described cover plate.
In this electronic type molded case circuit breaker, described gear unit comprises the slip pushing block that can be under the effect of described electric machine assembly relatively described cover plate reciprocating linear slides, described slip pushing block has near described performance element and drives described performance element along the drive division sliding with slip pushing block equidirectional reciprocating linear and be connected described drive division and to the extension extending away from described performance element direction, the free end of described extension is connected with the swing arm sliding by extension reciprocating linear described in wobble drive, described swing arm is near described electric machine assembly and driven by described electric machine assembly.
In this electronic type molded case circuit breaker, described automatic reclosing brake mechanism also comprises the fixed support of being located in described cover plate, on described fixed support, be fixedly installed and be arranged in described switch lever both sides, and extend along pulling the consistent direction of direction with described switch lever, for the slide rail of described slip pushing block and the slip of described performance element.
In this electronic type molded case circuit breaker, described slide rail is two slide-bars that be arranged in parallel, on the drive division of described slip pushing block, form and be suitable for the first slide opening that described in two, slide-bar slides through, on described performance element, form and be suitable for the second slide opening that described in two, slide-bar slides through.
In this electronic type molded case circuit breaker, the cross section of described slide-bar is circular, and described the first slide opening and described the second slide opening are the circular hole matching with described slide-bar.
In this electronic type molded case circuit breaker, described performance element comprises being slidably arranged in described in both sides the portion of sliding on slide-bar and being fixedly connected on described in both sides and slides the clamping part between portion, and described clamping part middle part forms and is suitable for the opening that described switch lever passes.
In this electronic type molded case circuit breaker, the drive division of described slip pushing block and described in slide and between portion, be connected with buffer spring.
In this electronic type molded case circuit breaker, described drive division has the insertion end that slides portion inside described in extending into, in described insertion end, form and make its described first slide opening that can slide along described slide-bar reciprocating linear, described insertion end with described in the reciprocatingly slide two ends of direction of the portion of sliding be connected by described buffer spring respectively.
In this electronic type molded case circuit breaker, described clamping part is two transverse axis that be arranged in parallel, and the gap described in two between transverse axis is described opening.
In this electronic type molded case circuit breaker, described electric machine assembly comprises the motor being arranged in described sunk installing hole, and is subject to the shaft-driven gear train of output of described motor.
In this electronic type molded case circuit breaker, described gear train comprises and is subject to described motor-driven driving gear, and engages and drive the driven gear of described swing arm with described driving gear.
Technique scheme of the present utility model has the following advantages compared to existing technology;
(1) in electronic type molded case circuit breaker described in the utility model, described automatic reclosing brake mechanism is located in described breaker body, is provided with the sunk installing hole for described electric machine assembly is installed in described connector body; In the utility model, described automatic reclosing brake mechanism is located at the inside of described breaker body, and described electric machine assembly is arranged in described sunk installing hole to sink to mode, thereby reduce the whole height of this circuit breaker, make its compact conformation, take volume little, be beneficial to little space mounting and the use of this circuit breaker.
(2) in electronic type molded case circuit breaker described in the utility model, described gear unit comprise can be relatively described the slip pushing block that slides of switch pedestal reciprocating linear, described slip pushing block has near described performance element and drives described performance element along the drive division sliding with slip pushing block equidirectional reciprocating linear and be connected described drive division and to the extension extending away from described performance element direction, by the setting of the extension extending away from performance element on described slip pushing block and the swing arm being connected with the free end of described extension, make motor position of the present utility model away from described performance element, away from performance element away from the moving contact position that is positioned at performance element below, thereby the electric arc having produced while having prevented moving contact action causes burn to motor, also avoided the electric arc producing to conduct electricity by the iron shell of motor, the stability of switch and reliability improve.
(3) in electronic type molded case circuit breaker described in the utility model, described automatic reclosing brake mechanism also comprises the fixed support of being located in described cover plate, on described fixed support, be fixedly installed and be arranged in described switch lever both sides, and extend along pulling the consistent direction of direction with described switch lever, for the slide rail of described slip pushing block and the slip of described performance element, it is more smooth and easy that this kind of symmetric slide rail arrangement moves automatic reclosing brake mechanism in the time of breaking-closing operating, works more stable.
(4) in electronic type molded case circuit breaker described in the utility model, the drive division of described slip pushing block and described in slide and between portion, be connected with buffer spring, by the setting of described buffer spring, making to slide between the drive division of pushing block and described performance element is non-rigid connection, described buffer spring not only plays the effect of adjusting position deviation between the drive division of slip pushing block and performance element in the time of breaking-closing operating, thereby make the to slide drive division of pushing block and the consistency of performance element in the time of assembling do not need requirement high especially, and buffer spring can also reduce the wearing and tearing between drive division and the performance element of slip pushing block, further can reduce the wearing and tearing between performance element and switch lever, thereby improve the useful life of automatic reclosing brake mechanism.
(5) in electronic type molded case circuit breaker described in the utility model, described drive division has the insertion end that slides portion inside described in extending into, in described insertion end, form described the first slide opening that it can be slided along described slide-bar reciprocating linear, described insertion end with described in the reciprocatingly slide two ends of direction of the portion of sliding be connected by described buffer spring respectively, insertion end is in the process of reciprocatingly sliding, capital is subject to the compression thrust of a side buffer spring and the stretching pulling force of opposite side buffer spring, the buffering effect of buffer spring is better, thereby it is more smooth and easy that automatic reclosing brake mechanism is moved in the time of breaking-closing operating, work more stable.
(6) in electronic type molded case circuit breaker described in the utility model, described clamping part is the transverse axis that two opposing parallel arrange, gap described in two between transverse axis is described opening, switch lever is sandwiched in to the set-up mode between two transverse axis, make switch lever its both sides in the time of breaking-closing operating stressed respectively, reduced the wearing and tearing one-sided to switch lever, be conducive to extend the useful life of switch lever, in addition, symmetrical both sides transverse axis be arranged so that breaking-closing operating time more stable.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is circuit breaker schematic diagram of the present utility model;
Fig. 2 is the perspective view of automatic reclosing brake mechanism of the present utility model;
Fig. 3 is the installation diagram of fixed support, performance element and switch lever in automatic reclosing brake mechanism of the present utility model;
Fig. 4 is the three-dimensional structure diagram of performance element in automatic reclosing brake mechanism of the present utility model;
Fig. 5 is the installation diagram of pushing block and swing arm of sliding in automatic reclosing brake mechanism of the present utility model;
Fig. 6 is driving gear, arrangement of clutch and motor assembling exploded view in automatic reclosing brake mechanism of the present utility model;
Fig. 7 is driving gear perspective view in automatic reclosing brake mechanism of the present utility model, and in figure, view directions is contrary with driving gear view directions in Fig. 1;
Fig. 8 is the perspective view of clutch part in automatic reclosing brake mechanism of the present utility model;
Fig. 9 is the installation diagram of automatic reclosing brake mechanism of the present utility model and cover plate.
Description of reference numerals: 1-breaker body; 11-base; 12-upper cover plate; 13-sunk installing hole;
A1-slip pushing block, a11-drive division, a111-insertion end, a111a-the first slide opening, a12-extension, a121-slide slot;
A21-slides portion, a21a-the second slide opening, a22-clamping part, a221-transverse axis, a222-opening;
A3-buffer spring;
A4-fixed support, a41-slide-bar;
A5-swing arm, a51-slides post, polygonal through hole in a52-;
A6-motor, a61-output shaft, a62-supporting bracket;
A71-driving gear, a711-groove, a72-driven gear, a73-transition gear;
A8-switch lever;
A91-clutch part, a911-boss, a912-external part, a92-Compress Spring, a93-pad;
B1-cover plate.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
As shown in Fig. 1 and Fig. 9, a kind of electronic type molded case circuit breaker described in the present embodiment, it comprises breaker body 1, described breaker body comprises base 11, upper cover plate 12 and an automatic reclosing brake mechanism switching for realizing circuit breaker open/close state, described automatic reclosing brake mechanism comprises electric machine assembly, gear unit and for the performance element of driving switch divide-shut brake, wherein, described electric machine assembly drives gear unit, gear unit drives the switch lever a8 of performance element operating switch, it is characterized in that: described automatic reclosing brake mechanism is located in described breaker body 1, in described connector body 1, be provided with the sunk installing hole 13 for described electric machine assembly is installed.In the utility model, described automatic reclosing brake mechanism is located at the inside of described breaker body 1, and described electric machine assembly is arranged in described sunk installing hole 13 to sink to mode, thereby reduce the whole height of this circuit breaker, make its compact conformation, take volume little, be beneficial to little space mounting and the use of this circuit breaker.
In the present embodiment, between preferred described base and described upper cover plate, be also provided with cover plate b1, described sunk installing hole is vertically molded on described cover plate b1.
As shown in Figure 2 and Figure 9, be the preferred embodiment of automatic reclosing brake mechanism described in the utility model, described operating mechanism comprises the electric machine assembly, gear unit and the performance element for driving switch divide-shut brake that are arranged on described cover plate b1.Described electric machine assembly drives gear unit action, gear unit action drives performance element, and the switch lever a8 of performance element operating switch, thus realize the divide-shut brake of switch.It should be noted that, the working method of the applicable switch lever a8 of operating mechanism of the present utility model is: described switch lever a8 has the pivot that is fixed on switch inside, and the divide-shut brake of described switch lever a8 control switch is by realizing around the mode of described pivot reciprocally swinging.
As shown in Figure 2, described gear unit comprise can be relatively described the slip pushing block a1 that slides of switch pedestal b1 reciprocating linear, described slip pushing block a1 comprises having near described performance element and drive described performance element along the drive division a11 sliding with slip pushing block a1 equidirectional reciprocating linear and be connected described drive division a11 and to the extension a12 extending away from described performance element direction, in the present embodiment, as shown in Figure 2, the direction that described extension a12 pulls in the time that described switch lever a8 closes a floodgate is extended; The free end of described extension a12 is connected with swing arm a5, and described swing arm a5 slides by extension a12 reciprocating linear described in wobble drive, and described swing arm a5 is near described electric machine assembly and driven by described electric machine assembly.
By the setting of the extension extending away from performance element on described slip pushing block and the swing arm being connected with the free end of described extension, make the motor position of the present embodiment away from described performance element, away from performance element away from the moving contact position that is positioned at performance element below, thereby the electric arc having produced while having prevented moving contact action causes burn to motor, also avoided the electric arc producing to conduct electricity by the iron shell of motor, the stability of switch and reliability improve.
As shown in Figure 9, the operating mechanism of the present embodiment also comprises and also comprises the fixed support a4 being fixed on switch pedestal b1, on described fixed support a4, be fixedly installed and be arranged in described switch lever a8 both sides, and extend along pulling the consistent direction of direction with described switch lever a8, for the slide rail of described slip pushing block a1 and the slip of described performance element, described slip pushing block a1 and described performance element be being arranged on described slide rail of linear slide reciprocally.It is more smooth and easy, more stable that this kind of symmetric slide rail arrangement moves operating mechanism in the time of breaking-closing operating.Support bracket fastened setting not only makes the slip pushing block and the more convenient layout of performance element that coordinate with slide rail, but also plays structure-reinforced effect.
In the present embodiment, as shown in Figures 2 and 3, described slide rail is two slide-bar a41 that be arranged in parallel, on the drive division a11 of described slip pushing block a1, form and be suitable for the first slide opening a111a that described in two, slide-bar a41 slides through, on described performance element, form and be suitable for the second slide opening a21a that described in two, slide-bar a41 slides through.Preferably, the cross section of described slide-bar a41 is circular, and described the first slide opening a111a and described the second slide opening a21a are the circular hole matching with described slide-bar a41.The fit form of circular hole and axle, makes the drive division of described slip pushing block and described performance element in the process of reciprocatingly sliding, there will not be the problem of derailing.
Further, as in Figure 2-4, described performance element comprises the a21 of the portion of sliding that can reciprocatingly slide along slide rail described in both sides and is fixedly connected on described in both sides and slide the clamping part a22 between the a21 of portion, and described clamping part a22 middle part forms and is suitable for the opening a222 that the switch lever a8 of switch passes.As shown in Figures 2 and 3, in the time of assembling, described switch lever a8 penetrates into described opening a222 from below, described performance element is subject to the driving of described slip pushing block and reciprocating linear while sliding, is arranged in the described switch lever a8 reciprocally swinging of described opening a222 by described clamping part a22 reciprocating.
In the present embodiment, described in the drive division a11 of described slip pushing block a1 and described performance element, slide and between the a21 of portion, be connected with buffer spring a3, described buffer spring a3 one end connects the drive division a11 of described slip pushing block a1, the other end connects the a21 of the portion of sliding of described performance element, when described drive division a11 reciprocating linear slides by compressing or the described buffer spring a3 that stretches drives the a21 of the portion of the sliding reciprocating linear of described performance element to slide.By the setting of described buffer spring, the non-rigid connection that be connected to that makes to slide between the drive division a11 of pushing block and the a21 of the portion of sliding of described performance element, described buffer spring a3 can play the effect of the a21 of the portion of the sliding position deviation of adjusting drive division a11 and performance element in the time of breaking-closing operating, it is high especially that thereby the portion of sliding of make to slide pushing block and performance element does not need both coherence requests in the time of assembling, and drive division and performance element that described buffer spring a3 can also reduce slip pushing block slide the wearing and tearing between portion, further can reduce the wearing and tearing between the portion of sliding and switch lever, thereby improve the useful life of operating mechanism.
Again further, as preferred embodiment of the present utility model, in order to make described slip pushing block a1 more move more smooth and easy in the time that pushing executing mechanism moves, as shown in Figure 2, described drive division a11 has the insertion end a111 that slides the a21 of portion inside described in extending into, on described insertion end a111, form and make its described first slide opening a111a that can slide along described slide-bar a41 reciprocating linear, described insertion end a111 with described in slide the reciprocatingly slide two ends of direction of the a21 of portion and be connected by described buffer spring a3 respectively.This kind of set-up mode makes described insertion end a111 be subject to the compression thrust of a side buffer spring and the stretching pulling force of opposite side buffer spring at the Shi Douhui that reciprocatingly slides, the buffering effect of buffer spring is better, thereby it is more smooth and easy that operating mechanism is moved in the time of breaking-closing operating, work more stable.Again further, in the present embodiment, the buffer spring of preferred described insertion end both sides is identical.
For the setting of described buffer spring, it should be noted that, the utility model is not limited to the setting of buffer spring described above, and in other embodiments, described buffer spring can also be according to a side that need to be connected in insertion end of topology layout.
Above-mentioned clamping part a22, in the present embodiment, as in Figure 2-4, is the transverse axis a221 that two opposing parallel arrange, the direction of opposing parallel with described in the direction of the portion's of sliding slip vertical, the gap described in two between transverse axis a221 is described opening a222.Switch lever is sandwiched in to the set-up mode between two transverse axis, make switch lever its both sides in the time of breaking-closing operating stressed respectively, the wearing and tearing one-sided to switch lever are reduced, be conducive to extend the useful life of switch lever, in addition, symmetrical both sides transverse axis be arranged so that breaking-closing operating time more stable.Described clamping part a22 can also be structure as a whole, and is suitable in the moulding of the middle part of integrative-structure the described opening a222 that switch lever passes.
In the present embodiment, as shown in Figure 2, described electric machine assembly comprises the motor a6 being arranged in described sunk installing hole 13, and the gear train that driven by the output shaft a61 of described motor a6.Described gear train comprises the driving gear a71 that driven by described motor a6, and engages and drive the driven gear a72 of described swing arm a5 with described driving gear a71.The output shaft of motor drives driving gear a71 to rotate, and driving gear a71 drives driven gear a72 to rotate.According to the needs to switch lever breaking speed, can select driving gear and the driven gear of different size, to meet the requirement of gearratio.As shown in Figure 2, described electric machine assembly also comprises the supporting bracket a62 being fixed on described motor a6, described gear train is arranged on the upper surface that described supporting bracket a62 is smooth, and the setting of supporting bracket a62 has not only realized the installation of gear train, and make gear train rotate time more smooth and easy.
In addition, in the present embodiment, as shown in Figure 2, between the output shaft a61 of described motor a6 and described driving gear a71, be connected with and described motor a6 be connected or the arrangement of clutch of separation with described driving gear a71; Described driven gear a72 and described swing arm a5 junction are provided with for manually operated interior polygonal through hole a52.The operating mechanism that is arranged so that the present embodiment by arrangement of clutch not only can be realized electric operating but also can realize manual operation.In the time of needs manual operation, make the output shaft a61 of described motor a6 be connected with described driving gear a71 by arrangement of clutch, thereby the output shaft a61 of motor rotates drive, described driving gear a71 rotates; In the time of needs electric operating, by operation arrangement of clutch, the output shaft a61 of motor and described driving gear a71 are departed from, thereby realize manual operation.In the present embodiment, be arranged at the junction of driven gear a72 and swing arm a5 for manually operated interior polygonal through hole a52, arrangement of clutch is arranged on the junction of driving gear and motor, under this kind arranges, operating personnel just can depart from motor and driving gear by a hand control arrangement of clutch, another hand carries out manual operation, has solved in prior art manual operation position and clutch position at same place, the problem of manual operation difficulty.
In the present embodiment, the preferably interior hexagonal through hole of described interior polygonal through hole a52, by hexagonal handle in inserting, can pull swing arm a5 and swing when operating personnel operate.Certainly, in other embodiments, as required, interior polygonal through hole can also be arranged to interior triangle, interior four jiaos or interior five jiaos etc., and this utility model is not done to concrete restriction.
Particularly, as shown in Figure 6, described arrangement of clutch comprises the clutch part a91 on the output shaft a61 that is set in movably described motor a6, and between described clutch part a91 and described output shaft a61, and the Compress Spring a92 of clutch part a91 described in contact.Described clutch part a91 has the external part a912 stretching out from described driving gear a71, the fit structure that between the outer surface of described clutch part a91 and the inner surface of described driving gear a71, moulding is meshed both.The setting of described external part a912, facilitate the switching of operating personnel between manual operation and electric operating, be specially: operating personnel are with hand or other applicable instruments, such as screwdriver etc., the elastic force that firmly overcomes Compress Spring a92 presses down clutch part, clutch part moves down, and the fit structure disengaging between clutch part and driving gear is engaged, and at this moment operating personnel can carry out manual operation.
Further particularly, in the present embodiment, as shown in Figure 7 and Figure 8, described fit structure comprises at least one the boss a911 that is molded over described clutch part a91 outer surface, and is molded at least one groove a711 that described driving gear a71 inner surface coordinates with described boss a911.Preferably, described clutch part a91 outer surface is along circumferentially forming evenly spaced apart four described boss a911, corresponding, and described driving gear a71 inner surface is along circumferentially forming evenly spaced apart four described groove a711.In other embodiments, the outer surface of described clutch part a91 can at least one groove of moulding, and the inner surface of described driving gear a71 can moulding and at least one boss of described groove fit.Certainly, the version of described fit structure has a lot, and for example described fit structure comprises the external tooth that is molded over described clutch part a91 outer surface, and is molded over the internal tooth coordinating with described external tooth of described driving gear a71 inner surface.
In order to realize fast as far as possible breaking capacity, the size of driven gear should be large as much as possible, driving gear size should be as much as possible little, so that both gearratios are large as much as possible, but because switch inner space is limited, the size of choosing driven gear is restricted, therefore, in the present embodiment, in order to realize the requirement that disjunction is fast, described gear train also comprises at least one the transition gear a73 being connected with a joggle between described driving gear a71 and described driven gear a72, by the setting of described at least one transition gear, thereby increase the gearratio between described driving gear and driven gear, the increase of gearratio makes driven gear responsiveness faster, thereby make performance element disjunction switch lever speed faster.In the present embodiment, as shown in Figure 2, described transition gear is one.It should be noted that, if in other embodiments, described transition gear is set to multiple, every two adjacent transition gear engagements in multiple transition gears.
In addition, in the present embodiment, in order to make described operating mechanism more smooth and easy in the time moving, more stable, also can to promote described slip pushing block and reciprocatingly slide along rectilinear direction in order to realize when swing arm swings, as shown in Figure 5, described swing arm a5 promotes described slip pushing block a1 reciprocating linear slip by sliding connection structure in the time swinging.Described sliding connection structure the wearing and tearing that reduced swing arm and slip pushing block junction are set, be conducive to extend the useful life of swing arm and slip pushing block.
Further, described in slide post a51 and be preferably rolling bearing, thereby swing arm slide that becoming being connected between post and the slide slot of swing arm rolls connects, and the wearing and tearing that connect of rolling are less, the useful life of further improving swing arm and slip pushing block.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction 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 without also giving exhaustive to all execution modes.And the apparent variation of being extended out thus or variation are still among the protection range in the invention.
Claims (12)
1. an electronic type molded case circuit breaker, it comprises breaker body (1), described breaker body (1) comprises base (11), upper cover plate (12) and an automatic reclosing brake mechanism switching for realizing circuit breaker open/close state, described automatic reclosing brake mechanism comprises electric machine assembly, gear unit and for the performance element of driving switch divide-shut brake, wherein, described electric machine assembly drives gear unit, gear unit drives the switch lever a8 of performance element operating switch, it is characterized in that: described automatic reclosing brake mechanism is located in described breaker body (1), in described connector body (1), be provided with the sunk installing hole (13) for described electric machine assembly is installed.
2. electronic type molded case circuit breaker according to claim 1, is characterized in that: between described base (11) and described upper cover plate (12), be also provided with cover plate (b1), described sunk installing hole (13) is vertically molded in described cover plate (b1).
3. electronic type molded case circuit breaker according to claim 2, it is characterized in that: described gear unit comprise can be under the effect of described electric machine assembly the slip pushing block (a1) that slides of relatively described cover plate (b1) reciprocating linear, described slip pushing block (a1) has near described performance element and drives described performance element along the drive division (a11) sliding with slip pushing block (a1) equidirectional reciprocating linear and be connected described drive division (a11) and to the extension (a12) extending away from described performance element direction, the free end of described extension (a12) is connected with the swing arm (a5) sliding by extension described in wobble drive (a12) reciprocating linear, described swing arm (a5) is near described electric machine assembly and driven by described electric machine assembly.
4. electronic type molded case circuit breaker according to claim 3, it is characterized in that: described automatic reclosing brake mechanism also comprises the fixed support (a4) of being located in described cover plate (b1), on described fixed support (a4), be fixedly installed and be arranged in described switch lever (a8) both sides, and extend along pulling the consistent direction of direction with described switch lever (a8), for the slide rail of described slip pushing block (a1) and the slip of described performance element.
5. electronic type molded case circuit breaker according to claim 4, it is characterized in that: described slide rail is two slide-bars that be arranged in parallel (a41), on the drive division (a11) of described slip pushing block (a1), form and be suitable for the first slide opening (a111a) that slide-bar described in two (a41) slides through, on described performance element, form and be suitable for the second slide opening (a21a) that slide-bar described in two (a41) slides through.
6. electronic type molded case circuit breaker according to claim 5, is characterized in that: the cross section of described slide-bar (a41) is for circular, and described the first slide opening (a111a) and described the second slide opening (a21a) are the circular hole matching with described slide-bar (a41).
7. electronic type molded case circuit breaker according to claim 6, it is characterized in that: described performance element comprises being slidably arranged in described in both sides the portion of sliding (a21) on slide-bar (a41) and being fixedly connected on described in both sides and slide the clamping part (a22) between portion (a21), described clamping part (a22) middle part forms and is suitable for the opening (a222) that described switch lever (a8) passes.
8. electronic type molded case circuit breaker according to claim 7, is characterized in that: the drive division (a11) of described slip pushing block (a1) and described in slide and between portion (a21), be connected with buffer spring (a3).
9. electronic type molded case circuit breaker according to claim 8, it is characterized in that: described drive division (a11) has and slides the inner insertion end (a111) of portion (a21) described in extending into, in described insertion end (a111), form and make its described first slide opening (a111a) that can slide along described slide-bar (a41) reciprocating linear, described insertion end (a111) with described in slide the reciprocatingly slide two ends of direction of portion (a21) and be connected by described buffer spring (a3) respectively.
10. electronic type molded case circuit breaker according to claim 9, is characterized in that: described clamping part (a22) is two transverse axis that be arranged in parallel (a221), and the gap between transverse axis described in two (a221) is described opening (a222).
11. according to the electronic type molded case circuit breaker described in any one in claim 3-10, it is characterized in that: described electric machine assembly comprises the motor (a6) being arranged in described sunk installing hole, and the gear train that driven by the output shaft (a61) of described motor (a6).
12. electronic type molded case circuit breakers according to claim 11, it is characterized in that: described gear train comprises the driving gear (a71) that driven by described motor (a6), and engage and drive the driven gear (a72) of described swing arm (a5) with described driving gear (a71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295820.3U CN203966993U (en) | 2014-06-05 | 2014-06-05 | Electronic type molded case circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420295820.3U CN203966993U (en) | 2014-06-05 | 2014-06-05 | Electronic type molded case circuit breaker |
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| CN203966993U true CN203966993U (en) | 2014-11-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717922A (en) * | 2018-07-24 | 2018-10-30 | 德力西电气有限公司 | A kind of operating mechanism of autoreclose breaker |
| CN109256303A (en) * | 2017-07-12 | 2019-01-22 | 上海良信电器股份有限公司 | A kind of energy storage electrically operated device of breaker of plastic casing |
| CN109411304A (en) * | 2018-12-29 | 2019-03-01 | 海格科技股份有限公司 | A kind of intelligent moulded case circuit breaker |
| CN109461633A (en) * | 2018-05-24 | 2019-03-12 | 许继集团有限公司 | Mold cased circuit breaker switching off/on device and mold cased circuit breaker |
-
2014
- 2014-06-05 CN CN201420295820.3U patent/CN203966993U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256303A (en) * | 2017-07-12 | 2019-01-22 | 上海良信电器股份有限公司 | A kind of energy storage electrically operated device of breaker of plastic casing |
| CN109461633A (en) * | 2018-05-24 | 2019-03-12 | 许继集团有限公司 | Mold cased circuit breaker switching off/on device and mold cased circuit breaker |
| CN108717922A (en) * | 2018-07-24 | 2018-10-30 | 德力西电气有限公司 | A kind of operating mechanism of autoreclose breaker |
| CN109411304A (en) * | 2018-12-29 | 2019-03-01 | 海格科技股份有限公司 | A kind of intelligent moulded case circuit breaker |
| CN109411304B (en) * | 2018-12-29 | 2023-03-14 | 海格科技股份有限公司 | Intelligent molded case circuit breaker |
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