CN201138646Y - Electricity driving leakage breaker - Google Patents
Electricity driving leakage breaker Download PDFInfo
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- CN201138646Y CN201138646Y CNU2007201927373U CN200720192737U CN201138646Y CN 201138646 Y CN201138646 Y CN 201138646Y CN U2007201927373 U CNU2007201927373 U CN U2007201927373U CN 200720192737 U CN200720192737 U CN 200720192737U CN 201138646 Y CN201138646 Y CN 201138646Y
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- pull bar
- limiting section
- electric leakage
- leakage current
- elastic component
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- 230000005611 electricity Effects 0.000 title 1
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000005520 electrodynamics Effects 0.000 claims description 11
- 230000007935 neutral effect Effects 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 240000008866 Ziziphus nummularia Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model discloses an electric drive leakage circuit breaker, which comprises a main body of leakage circuit breaker with an operating handle and an electric drive mechanism for driving the operating handle. The electric drive mechanism comprises a motor, an eccentric wheel and a buffering drive link component; the eccentric wheel is positioned on the output axis of the motor; one end of the buffering drive link component is connected with the eccentric wheel; another end of the buffering drive link component is connected with the operating handle. Therefore, the utility model, with the advantages of simple structure and low cost, is capable of effectively overcoming the defect of conventional electric drive leakage circuit breaker that the operating handle is tend to be damaged due to excessive stress.
Description
Technical field
The utility model belongs to the earth leakage protective device technical field, is specifically related to a kind of residual current circuit breaker.
Background technology
Residual current circuit breaker is under defined terms, and the circuit breaker of energy automatic shutoff circuit when residual current meets or exceeds setting is used to prevent because of the accidents such as loss of life or personal injury, device damage and fire of getting an electric shock, electric leakage causes.
Traditional residual current circuit breaker is except finishing the function of automatic brake separating when electrical leakage quantity or overload quantity surpass preset value, other times will be realized separating brake or close a floodgate all needing manual operation.For example Chinese patent 200620105204.2 disclosed a kind of residual current circuit breaker are equipped with arc-extinguish chamber, contact, leakage tripping device, overcurrent trip, the copper cash that is flexible coupling, current transformer, zero sequence current mutual inductor, go up leading-out terminal, operating mechanism, following leading-out terminal in its pedestal.This kind residual current circuit breaker can realize earth leakage protective and overload protection preferably, but its shortcoming is exactly will realize separating brake at ordinary times or close a floodgate all needing manual operation.
The trend of present electrical equipment is that the direction towards intelligent and automation develops, and the technical staff has also developed several residual current circuit breaker that can realize automatically closing a floodgate with separating brake at present.
Chinese patent 00208566.6 discloses a kind of circuit breaker automatic closing device, form by electric control circuit and operating mechanism two large divisions, its design feature is: motor connects screw mandrel, be with slide block on the screw mandrel, the external screw thread of screw mandrel and the screw-internal thread fit of slide block, slide block links to each other with the handle of plug-in strip, and motor and screw mandrel are fixed on the support, and the bound bit switch is fixed on touching place of slide block or plug-in strip stroke two ends terminal point.
Chinese patent 02283067.7 discloses the dual-purpose closing device of a kind of residual current circuit breaker link-type, on the output shaft of reducing motor eccentric wheel is installed, the connecting rod two ends connect eccentric wheel and operating grip respectively, be characterized in that eccentric wheel and clutch fuse, be covered with ratchet on the outer side circumference of drawing a bow to the full of clutch, the sour jujube pin of driving lever the inner snaps in the ratchet slot.
Can realize that electrodynamic type closes a floodgate and the residual current circuit breaker of separating brake for above-mentioned three kinds, its electric transmissio mechanism all needs retrofit, and its cost and cost are higher; In addition, because electronic transmission need be controlled the transmission distance well,, can not realize making operating grip to change another operating state into again from an operating state because if drive link transmission distance is less; And it is bigger to work as the transmission distance, then can cause operating grip because of stressed excessive the damage.
The utility model content
The purpose of this utility model provide a kind of simple in structure, cost is lower, and can not cause operating grip because of the stressed excessive electric leakage current breaker that damages.
The technical scheme that realizes the utility model purpose is: a kind of electric leakage current breaker comprises residual current circuit breaker body that is provided with operating grip and the electrodynamic type transmission mechanism that is used to drive operating grip; Described electrodynamic type transmission mechanism comprises motor, eccentric wheel and buffer drive pole assembly, and described eccentric wheel is arranged on the output shaft of motor; One end of described buffer drive pole assembly is connected with eccentric wheel, and the other end is connected with operating grip.
Described buffer drive pole assembly comprises first pull bar, second pull bar and the elastic component that is used to cushion; Described first pull bar is provided with first limiting section and second limiting section that is used for spacing elastic component, and described second pull bar also is provided with first limiting section and second limiting section that is used for spacing elastic component; One end of described elastic component is against on second limiting section of first limiting section of first pull bar and second pull bar, and the other end of elastic component is against on first limiting section of second limiting section of first pull bar and second pull bar.
Described first pull bar and second pull bar all have positioning end and union end; Be equipped with a spacing hole that is used for spacing elastic component near the union end place, described spacing hole is equipped with a limiting section towards spacing hole centre projection at the two ends along axial direction; First limiting section of described first pull bar and second pull bar is near its limiting section at union end place separately, and second limiting section of described first pull bar and second pull bar is away from its limiting section at union end place separately.
The basic configuration of described spacing hole is " worker " font; Described elastic component is a spring; Described first pull bar and second pull bar connect side by side, and the second limiting section shape of first limiting section of described first pull bar and second pull bar is identical and overlap the also identical and coincidence of the first limiting section shape of second limiting section of described first pull bar and second pull bar; The drift of described spring is more than or equal to the axial length of described " worker " font spacing hole, one end of described spring is set on second limiting section of first limiting section of first pull bar and second pull bar, and the other end is set on first limiting section of second limiting section of first pull bar and second pull bar.
Described residual current circuit breaker body comprises base, middle cover and loam cake; Described base is provided with upper connecting terminal, the fixed contact that is electrically connected with upper connecting terminal, moving contact, leakage tripping device, the overcurrent trip that is electrically connected with moving contact, the neutral line be flexible coupling copper cash, phase line be flexible coupling copper cash, zero sequence current mutual inductor, leading-out terminal and operating mechanism down, described phase line being electrically connected with overcurrent trip and following leading-out terminal on each circuitry phase respectively of copper cash that be flexible coupling; Described neutral line copper cash and each phase line copper cash that is flexible coupling that is flexible coupling passes zero sequence current mutual inductor jointly.
Also be provided with on the described base and each phase line the same number of current transformer of copper cash that is flexible coupling, described each phase line copper cash that is flexible coupling passes each self-corresponding current transformer.
During being arranged on, described electrodynamic type transmission mechanism covers; Described each fixed contact place also is provided with arc-extinguish chamber.
Be covered with one on described and be used for the pressure opening button that imperative operation mechanism carries out sub-switching operation, cover during the depression bar of described pressure button passes for its open-work of presetting on being against the armature in the overcurrent trip.
Be covered with a Warning Mark spare that is used to indicate branch, "on" position on described, cover during the push rod of described Warning Mark spare passes for its default open-work until being against on the moving contact.
The control circuit board of described residual current circuit breaker body is at least two split type circuit boards, and be arranged on loam cake or in cover; : be covered with on described that a reset button switch, test button switch, one are used to close the toggle switch of detection of electrical leakage control circuit and at least one is used to indicate the indicator light of residual current circuit breaker operating state;
The utlity model has positive effect:
(1) the utility model is owing to adopt the motor-driven eccentric wheel, eccentric wheel drives the buffer drive pole assembly, thereby finally drive the operation that operating grip is realized automatic closing and separating brake, have simple in structure, cost is lower, and because the utility model has adopted the buffer drive pole assembly, the error even motor rotates, the angle that rotates is big slightly, cause the transmission distance bigger, then because the cushioning effect of spring, make drive link assembly of the present utility model have the deformation quantity and the transmission of power preferably preferably within the specific limits, thereby can not cause operating grip because of the stressed excessive phenomenon of damaging.
(2) elastic component in the buffer drive pole assembly in the utility model not only can play the effect of buffering, can also play the effect of hookup, be used for two first pull bars that are arranged side by side and second pull bar are linked up, this elastic component relies on the restoring force of self, self a end is pushed against on second limiting section of first limiting section of first pull bar and second pull bar, other end cover pushes against on first limiting section of second limiting section of first pull bar and second pull bar, select the suitable spring of elastic force, can realize promptly having cushioning effect preferably, have the practical function of the transmission of power preferably again, can safety, stably be used for driving operating grip to realize the operation of automatic closing and separating brake.
(3) the utility model is when needs overhaul, can be by pressing the pressure opening button, drive is depressed armature in the overcurrent trip by button press bar, the armature trigger action mechanism that turns an angle, realize sub-switching operation, this sub-switching operation all can be implemented under energising or off-position, and it is simple to operation.
(4) Warning Mark spare of the present utility model have indicate the utility model to be in preferably to close a floodgate and separating brake in which kind of state, when the utility model was in "on" position, described Warning Mark spare was in the normal state, its top is equal with the loam cake upper surface; When the utility model is in gate-dividing state, because moving contact will turn an angle, thereby the push rod of jack-up Warning Mark spare, with Warning Mark spare jack-up and exceed the loam cake upper surface, thereby need not dismounting and can show clearly promptly which kind of state the utility model is in, and has practical function preferably actually.
(5) traditional residual current circuit breaker, as a whole of its control circuit board, and being arranged in the base when needs overhaul it, need be pulled down lid layer by layer, could overhaul after also promptly needing to pull down loam cake, middle cover, and operation is trouble comparatively; The utility model is then by making control circuit board the split type a plurality of circuit boards of polylith, also promptly be divided into two circuit boards at least, and with its be arranged on loam cake or in cover, can keep in repair after only need pulling down loam cake, simultaneously because the utility model can be made control circuit a plurality of by its function, only need dismantle down during maintenance wherein and get final product, change, maintenance is all relatively more convenient with the corresponding circuit board of fault.
Description of drawings
Fig. 1 is a kind of perspective view of the present utility model;
Fig. 2 is the structural representation of electric leakage current breaker shown in Figure 1 during from top view;
Fig. 3 is a kind of perspective view of loam cake in the electric leakage current breaker shown in Figure 1;
The perspective view that Fig. 4 is a loam cake shown in Figure 3 when another angle is observed;
Fig. 5 is a kind of perspective view of electric leakage current breaker shown in Figure 1 after removing loam cake;
Fig. 6 is the structural representation of residual current circuit breaker shown in Figure 5 during from top view;
Fig. 7 is that the A of Fig. 6 is to view;
Fig. 8 is a kind of perspective view of middle cover in the electric leakage current breaker shown in Figure 1;
Fig. 9 is a kind of perspective view of electric leakage current breaker shown in Figure 1 after removing loam cake and middle cover;
The perspective view that Figure 10 is a residual current circuit breaker shown in Figure 9 when another angle is observed;
Figure 11 is the structural representation of residual current circuit breaker shown in Figure 9 during from top view;
Figure 12 is the pressure opening button in the electric leakage current breaker shown in Figure 1 and the structural representation of Warning Mark spare;
Figure 13 is a kind of perspective view of the buffer drive pole assembly in the electric leakage current breaker shown in Figure 1;
Figure 14 is the perspective view of buffer drive pole assembly shown in Figure 13 after removing spring;
Figure 15 is the perspective view of first pull bar in the buffer drive pole assembly shown in Figure 13;
Figure 16 is a kind of perspective view of the arc-extinguish chamber in second kind of structure of the utility model;
The perspective view that Figure 17 is an arc-extinguish chamber shown in Figure 16 when another angle is observed.
Reference numeral is: residual current circuit breaker body 1, operating grip 2, electrodynamic type transmission mechanism 3, motor 4, output shaft 41, eccentric wheel 5, buffer drive pole assembly 6, the first pull bars 61, first limiting section, 611, the second limiting sections, 612, the second pull bars, 62, the first limiting sections 621, second limiting section 622, elastic component 63, base 7, upper connecting terminal 71, fixed contact 72, moving contact 73, leakage tripping device 74, overcurrent trip 75, armature 751, following leading-out terminal 76, operating mechanism 77, arc-extinguish chamber 78, middle cover 8, open-work 81, open-work 82, loam cake 9, opening button 91, depression bar 911, spring 912, reset button switch 92, toggle switch 93, indicator light 94, power supply indicator 941, the first electric leakage indicator lights 942, the second electric leakage indicator light 943, alarm condition indicator light 944, Warning Mark spare 96, push rod 961, spring 962, test button switch 97, positioning end 100, union end 200, spacing hole 300.
Embodiment
(embodiment 1)
Fig. 1 to Figure 15 has shown first kind of execution mode of the present utility model, and wherein Fig. 1 is a kind of perspective view of the present utility model; Fig. 2 is the structural representation of electric leakage current breaker shown in Figure 1 during from top view; Fig. 3 is a kind of perspective view of loam cake in the electric leakage current breaker shown in Figure 1; The perspective view that Fig. 4 is a loam cake shown in Figure 3 when another angle is observed; Fig. 5 is a kind of perspective view of electric leakage current breaker shown in Figure 1 after removing loam cake; Fig. 6 is the structural representation of residual current circuit breaker shown in Figure 5 during from top view; Fig. 7 is that the A of Fig. 6 is to view; Fig. 8 is a kind of perspective view of middle cover in the electric leakage current breaker shown in Figure 1; Fig. 9 is a kind of perspective view of electric leakage current breaker shown in Figure 1 after removing loam cake and middle cover; The perspective view that Figure 10 is a residual current circuit breaker shown in Figure 9 when another angle is observed; Figure 11 is the structural representation of residual current circuit breaker shown in Figure 9 during from top view; Figure 12 is the pressure opening button in the electric leakage current breaker shown in Figure 1 and the structural representation of Warning Mark spare; Figure 13 is a kind of perspective view of the buffer drive pole assembly in the electric leakage current breaker shown in Figure 1; Figure 14 is the perspective view of buffer drive pole assembly shown in Figure 13 after removing spring; Figure 15 is the perspective view of first pull bar in the buffer drive pole assembly shown in Figure 13.
Present embodiment is a kind of electric leakage current breaker of three-phase four-wire system, comprises residual current circuit breaker body 1 that is provided with operating grip 2 and the electrodynamic type transmission mechanism 3 that is used to drive operating grip 2; Described electrodynamic type transmission mechanism 3 comprises motor 4, eccentric wheel 5 and buffer drive pole assembly 6, and described eccentric wheel 5 is arranged on the output shaft 41 of motor 4; One end of described buffer drive pole assembly 6 is connected with eccentric wheel 5, and the other end is connected with operating grip 2.
See Figure 13 to Figure 15, described buffer drive pole assembly 6 comprises first pull bar 61, second pull bar 62 and the elastic component 63 that is used to cushion; Described first pull bar 61 is provided with first limiting section 611 and second limiting section 612 that is used for spacing elastic component, and described second pull bar 62 also is provided with first limiting section 621 and second limiting section 622 that is used for spacing elastic component; One end of described elastic component 63 is against on second limiting section 622 of first limiting section 611 of first pull bar and second pull bar, and the other end of elastic component is against on first limiting section 621 of second limiting section 612 of first pull bar and second pull bar.Described first pull bar 61 and second pull bar 62 all have positioning end 100 and union end 200; Be equipped with a spacing hole 300 that is used for spacing elastic component 63 near union end 200 places, described spacing hole 300 is equipped with a limiting section towards spacing hole 300 centre projectioies at the two ends along axial direction; First limiting section 611621 of described first pull bar and second pull bar is near its limiting section at union end 200 places separately, and second limiting section 612622 of described first pull bar and second pull bar is away from its limiting section at union end 200 places separately.The basic configuration of described spacing hole 300 is " worker " fonts; Described elastic component 63 is springs; Described first pull bar 61 and second pull bar 62 connect side by side, second limiting section, 622 shapes of first limiting section 611 of described first pull bar 61 and second pull bar 62 are identical and overlap the also identical and coincidence of first limiting section, 621 shapes of second limiting section 612 of described first pull bar and second pull bar; The drift of described spring is more than or equal to the axial length of described " worker " font spacing hole 300, one end of described spring is set on second limiting section 622 of first limiting section 611 of first pull bar and second pull bar, and the other end is set on first limiting section 621 of second limiting section 612 of first pull bar and second pull bar.
See Fig. 1 to Figure 12, described residual current circuit breaker body 1 comprises base 7, middle cover 8 and loam cake 9; Overcurrent trip 75, the neutral line that described base 7 is provided with upper connecting terminal 71, the fixed contact 72 that is electrically connected with upper connecting terminal 71, moving contact 73, leakage tripping device 74, be electrically connected with moving contact 73 be flexible coupling copper cash (not drawing on the figure), phase line be flexible coupling copper cash (not drawing on the figure), zero sequence current mutual inductor (not drawing on the figure), leading-out terminal 76 and operating mechanism 77 down, described phase line being electrically connected with overcurrent trip 75 and following leading-out terminal 76 on each circuitry phase respectively of copper cash that be flexible coupling; Described neutral line copper cash and each phase line copper cash that is flexible coupling that is flexible coupling passes zero sequence current mutual inductor jointly.Described loam cake 9 is provided with a Warning Mark spare 96 that is used to indicate branch, "on" position, described Warning Mark spare 96 comprises push rod 961 and provides the spring of elastic force 962 for push rod 961 resets, described push rod 961 pass on the middle cover 8 for its default open-work 81 until being against on the moving contact 73.Described loam cake 9 is provided with one and is used for the pressure opening button 91 that imperative operation mechanism carries out sub-switching operation, described pressure button 91 comprises depression bar 911 and provides the spring of elastic force 912 for depression bar 911 resets, described depression bar 911 pass on the middle cover 8 for its default open-work 82 on being against the armature 751 in the overcurrent trip 75.Be under the "on" position, pressing this pressure opening button 91 and can trip, this moment, residual current circuit breaker entered " locking " state.
Also be provided with a push-button switch that is used to reset 92 on the described loam cake 9, a test button switch 97, a toggle switch 93 that is used to close the detection of electrical leakage control circuit, with four indicator lights 94 that are used to indicate the residual current circuit breaker operating state, that is to say power supply indicator 941, the first electric leakage indicator light 942, the second electric leakage indicator light 943, alarm condition indicator light 944; Press this reset button switch 92, the residual current circuit breaker that enters " locking " state is transferred to normally put into operation; Be under the "on" position, pressing this test button switch 97, the residual current circuit breaker tripping operation, expression is normal, if the expression residual current circuit breaker that do not trip can not normally be moved, should change or keep in repair.After pressing this toggle switch, residual current circuit breaker enters alarm condition, the earth leakage protective that do not recur effect, and substantially be to use as a pure circuit breaker; This is because certain electrical equipment or circuit generation leak current fault in this residual current circuit breaker lead line, and this residual current circuit breaker will automatic trip, cuts off whole circuit; If but this leak current fault can not obtain getting rid of within a certain period of time, that certainly will influence the normal operation of other electrical equipment, so can press this toggle switch this moment, can make circuit recover normal power supply.When power supply indicator 941 was bright, indication entered power supply state; When the first electric leakage indicator light 942 does not work, the expression residual current is less than specified residue operating current value, often represent that residual current is greater than specified residue operating current value when bright, when the second electric leakage indicator light 943 does not work, the expression residual current represents that residual current is greater than 1/2nd of specified residue operating current value less than 1/2nd of specified residue operating current value when length is bright; When alarm condition indicator light 944 length were bright, expression entered alarm condition.
See Fig. 5 to Fig. 8, described electrodynamic type transmission mechanism 3 is arranged on the middle cover 8.
(embodiment 2)
Figure 16 to Figure 17 has shown second kind of execution mode of the utility model, and wherein Figure 16 is a kind of perspective view of the arc-extinguish chamber in second kind of structure of the utility model; The perspective view that Figure 17 is an arc-extinguish chamber shown in Figure 16 when another angle is observed.
Present embodiment is substantially the same manner as Example 1, difference is: see Figure 16 and 17, also be provided with on the described base 7 and each phase line the same number of current transformer of copper cash (not drawing on the figure) that is flexible coupling, described each phase line copper cash that is flexible coupling passes each self-corresponding current transformer.Described each fixed contact 72 place also are provided with arc-extinguish chamber 78.The control circuit board of described residual current circuit breaker body 1 is at least two split type circuit boards, and is arranged on loam cake 8 or the middle cover 9.
In sum, the utlity model has following advantage:
The utlity model has positive effect:
(1) the utility model is owing to adopt the motor-driven eccentric wheel, eccentric wheel drives the buffer drive pole assembly, thereby finally drive the operation that operating grip is realized automatic closing and separating brake, have simple in structure, cost is lower, and because the utility model has adopted the buffer drive pole assembly, the error even motor rotates, the angle that rotates is big slightly, cause the transmission distance bigger, then because the cushioning effect of spring, make drive link assembly of the present utility model have the deformation quantity and the transmission of power preferably preferably within the specific limits, thereby can not cause operating grip because of the stressed excessive phenomenon of damaging.
(2) elastic component in the buffer drive pole assembly in the utility model not only can play the effect of buffering, can also play the effect of hookup, be used for two first pull bars that are arranged side by side and second pull bar are linked up, this elastic component relies on the restoring force of self, self a end is pushed against on second limiting section of first limiting section of first pull bar and second pull bar, other end cover pushes against on first limiting section of second limiting section of first pull bar and second pull bar, select the suitable spring of elastic force, can realize promptly having cushioning effect preferably, have the practical function of the transmission of power preferably again, can safety, stably be used for driving operating grip to realize the operation of automatic closing and separating brake.
(3) the utility model is when needs overhaul, can be by pressing the pressure opening button, drive is depressed armature in the overcurrent trip by button press bar, the armature trigger action mechanism that turns an angle, realize sub-switching operation, this sub-switching operation all can be implemented under energising or off-position, and it is simple to operation.
(4) Warning Mark spare of the present utility model have indicate the utility model to be in preferably to close a floodgate and separating brake in which kind of state, when the utility model was in "on" position, described Warning Mark spare was in the normal state, its top is equal with the loam cake upper surface; When the utility model is in gate-dividing state, because moving contact will turn an angle, thereby the push rod of jack-up Warning Mark spare, with Warning Mark spare jack-up and exceed the loam cake upper surface, thereby need not dismounting and can show clearly promptly which kind of state the utility model is in, and has practical function preferably actually.
(5) traditional residual current circuit breaker, as a whole of its control circuit board, and being arranged in the base when needs overhaul it, need be pulled down lid layer by layer, could overhaul after also promptly needing to pull down loam cake, middle cover, and operation is trouble comparatively; The utility model is then by making control circuit board the split type a plurality of circuit boards of polylith, also promptly be divided into two circuit boards at least, and with its be arranged on loam cake or in cover, can keep in repair after only need pulling down loam cake, simultaneously because the utility model can be made control circuit a plurality of by its function, only need dismantle down during maintenance wherein and get final product, change, maintenance is all relatively more convenient with the corresponding circuit board of fault.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.
Claims (10)
1, a kind of electric leakage current breaker comprises the residual current circuit breaker body (1) that is provided with operating grip (2) and is used to drive the electrodynamic type transmission mechanism (3) of operating grip (2); It is characterized in that: described electrodynamic type transmission mechanism (3) comprises motor (4), eccentric wheel (5) and buffer drive pole assembly (6), and described eccentric wheel (5) is arranged on the output shaft (41) of motor (4); One end of described buffer drive pole assembly (6) is connected with eccentric wheel (5), and the other end is connected with operating grip (2).
2, electric leakage current breaker according to claim 1 is characterized in that: described buffer drive pole assembly (6) comprises first pull bar (61), second pull bar (62) and the elastic component (63) that is used to cushion; Described first pull bar (61) is provided with first limiting section (611) and second limiting section (612) that is used for spacing elastic component, and described second pull bar (62) also is provided with first limiting section (621) and second limiting section (622) that is used for spacing elastic component; One end of described elastic component (63) is against on second limiting section (622) of first limiting section (611) of first pull bar and second pull bar, and the other end of elastic component is against on first limiting section (621) of second limiting section (612) of first pull bar and second pull bar.
3, electric leakage current breaker according to claim 2 is characterized in that: described first pull bar (61) and second pull bar (62) all have positioning end (100) and union end (200); Locating to be equipped with a spacing hole (300) that is used for spacing elastic component (63) near union end (200), described spacing hole (300) is equipped with a limiting section towards spacing hole (300) centre projection at the two ends along axial direction; First limiting section (611) (621) of described first pull bar and second pull bar is near its limiting section of locating of union end (200) separately, and second limiting section (612) (622) of described first pull bar and second pull bar is away from its limiting section locating of union end (200) separately.
4, electric leakage current breaker according to claim 3 is characterized in that: the basic configuration of described spacing hole (300) is " worker " font; Described elastic component (63) is a spring; Described first pull bar (61) and second pull bar (62) connect side by side, second limiting section (622) shape of first limiting section (611) of described first pull bar (61) and second pull bar (62) is identical and overlap the also identical and coincidence of first limiting section (621) shape of second limiting section (612) of described first pull bar and second pull bar; The drift of described spring is more than or equal to the axial length of described " worker " font spacing hole (300), one end of described spring is set on second limiting section (622) of first limiting section (611) of first pull bar and second pull bar, and the other end is set on first limiting section (621) of second limiting section (612) of first pull bar and second pull bar.
5, electric leakage current breaker according to claim 1 is characterized in that: described residual current circuit breaker body (1) comprises base (7), middle cover (8) and loam cake (9); Overcurrent trip (75), the neutral line that described base (7) is provided with upper connecting terminal (71), the fixed contact (72) that is electrically connected with upper connecting terminal (71), moving contact (73), leakage tripping device (74), be electrically connected with moving contact (73) be flexible coupling copper cash, phase line be flexible coupling copper cash, zero sequence current mutual inductor, leading-out terminal (76) and operating mechanism (77) down, described phase line being electrically connected with overcurrent trip (75) and following leading-out terminal (76) on each circuitry phase respectively of copper cash that be flexible coupling; Described neutral line copper cash and each phase line copper cash that is flexible coupling that is flexible coupling passes zero sequence current mutual inductor jointly.
6, electric leakage current breaker according to claim 5 is characterized in that: also be provided with on the described base (7) and each phase line the same number of current transformer of copper cash that is flexible coupling, described each phase line copper cash that is flexible coupling passes each self-corresponding current transformer.
7, electric leakage current breaker according to claim 5 is characterized in that: described electrodynamic type transmission mechanism (3) is arranged on the middle cover (8); Described each fixed contact (72) locates also to be provided with arc-extinguish chamber (78).
8, electric leakage current breaker according to claim 5, it is characterized in that: described loam cake (9) is provided with one and is used for the pressure opening button (91) that imperative operation mechanism carries out sub-switching operation, the depression bar (911) of described pressure button (91) pass on the middle cover (8) on its open-work armature (751) in being against an overcurrent trip (75) of presetting.
9, electric leakage current breaker according to claim 5, it is characterized in that: described loam cake (9) is provided with a Warning Mark spare (96) that is used to indicate branch, "on" position, the push rod (961) of described Warning Mark spare (96) pass on the middle cover (8) for its default open-work until being against on the moving contact (73).
10, electric leakage current breaker according to claim 1 is characterized in that: the control circuit board of described residual current circuit breaker body (1) is at least two split type circuit boards, and is arranged on loam cake (8) or the middle cover (9); : described loam cake (9) is provided with a reset button switch (92), a test button switch (97), one and is used to close the toggle switch (93) of detection of electrical leakage control circuit and the indicator light (94) that at least one is used to indicate the residual current circuit breaker operating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201927373U CN201138646Y (en) | 2007-11-30 | 2007-11-30 | Electricity driving leakage breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201927373U CN201138646Y (en) | 2007-11-30 | 2007-11-30 | Electricity driving leakage breaker |
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| Publication Number | Publication Date |
|---|---|
| CN201138646Y true CN201138646Y (en) | 2008-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201927373U Expired - Lifetime CN201138646Y (en) | 2007-11-30 | 2007-11-30 | Electricity driving leakage breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138646Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188178B (en) * | 2007-11-30 | 2011-01-19 | 赵建清 | Electric leakage current breaker |
| CN101577196B (en) * | 2009-05-31 | 2011-06-01 | 麦广炜 | Electric control switch-on operating mechanism for miniature breaker |
| CN101783266B (en) * | 2009-09-29 | 2013-08-21 | 湖北盛佳电器设备有限公司 | Intelligent micro-circuit breaker having automatic switch-on function |
| CN108807091A (en) * | 2017-04-26 | 2018-11-13 | 海格科技股份有限公司 | Band residual current acting takes control switch automatically |
| JP2021057305A (en) * | 2019-10-02 | 2021-04-08 | 博孝 中松 | Spring-driven auto reset breaker |
-
2007
- 2007-11-30 CN CNU2007201927373U patent/CN201138646Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188178B (en) * | 2007-11-30 | 2011-01-19 | 赵建清 | Electric leakage current breaker |
| CN101577196B (en) * | 2009-05-31 | 2011-06-01 | 麦广炜 | Electric control switch-on operating mechanism for miniature breaker |
| CN101783266B (en) * | 2009-09-29 | 2013-08-21 | 湖北盛佳电器设备有限公司 | Intelligent micro-circuit breaker having automatic switch-on function |
| CN108807091A (en) * | 2017-04-26 | 2018-11-13 | 海格科技股份有限公司 | Band residual current acting takes control switch automatically |
| CN108807091B (en) * | 2017-04-26 | 2024-05-03 | 海格科技股份有限公司 | Automatic charge control switch with residual current action |
| JP2021057305A (en) * | 2019-10-02 | 2021-04-08 | 博孝 中松 | Spring-driven auto reset breaker |
| JP7286065B2 (en) | 2019-10-02 | 2023-06-05 | 博孝 中松 | Spring driven auto reset breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081022 Effective date of abandoning: 20071130 |