CN205992519U - A kind of RCCB - Google Patents
A kind of RCCB Download PDFInfo
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- CN205992519U CN205992519U CN201621031281.8U CN201621031281U CN205992519U CN 205992519 U CN205992519 U CN 205992519U CN 201621031281 U CN201621031281 U CN 201621031281U CN 205992519 U CN205992519 U CN 205992519U
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Abstract
A kind of RCCB, described RCCB includes shell, operating mechanism, electromagnetism electric leakage system, arc quenching system, contact system, leakage tripping device and electronic circuit board, described arc quenching system includes arc-chutes and run-on tab, and described arc-chutes include separate L pole arc-chutes and N pole arc-chutes；Described L pole arc-chutes and N pole arc-chutes are separately positioned on L pole and the N pole of described chopper, and the electric arc that run-on tab is introduced carries out rupturing duty；Described shell includes L pole side cover, N pole side cover and between described L pole side cover and N pole side cover, the middle cover that L pole and the N pole of described chopper are separated；Described shell is provided with L pole air vent and N pole air vent；Described leakage tripping device includes：Dynamic iron core, and in described dynamic iron core radial direction, the coil rack from inside to outside setting gradually, coil and yoke；Described dynamic iron core one end is provided with the push rod being connected with described operating mechanism, and the other end is provided with positioning cover plate.
Description
Technical field
This utility model is related to breaker technical field and in particular to a kind of RCCB.
Background technology
RCCB is for the overload protection of AC and DC circuit, short-circuit protection, earth leakage protective or control, when overload,
When short-circuit, electric current disjunction, protection circuit and power-supply device can be made without damage in moment.RCCB is provided with wiring board, and
And electronic circuit board is arranged on the symmetric position of arc-chutes in RCCB.
The patent documentation of prior art such as Publication No. CN202058676U discloses a kind of dual-interruption point breaker, includes
Insulation crust, operation actuator, electromagnetic release mechanism, arc-extinguishing mechanism and contact apparatus, described operation actuator bag
Included handle, connecting rod, tripping and lock it is characterised in that：Described contact apparatus include having two to be realized simultaneously in circuit
Connection connect the double-contact moving contact of movable contact, the touch spring being connected between tripping and double-contact moving contact and
Be arranged in insulation crust with two static contacts with two movable contact corresponding matching respectively, described arc-extinguishing mechanism includes two
Set, and this two sets arc-extinguishing mechanisms are matched with two break-make points of two movable contacts and two static contacts compositions setting respectively.
There is problems with above-mentioned chopper：1st, chopper only has arc-chutes it is impossible to the L level of RCCB
The zero line run-on tab of live wire run-on tab and N level carries out rupturing duty；The pressure that single arc-chutes carry electric arc is big, arc extinguishing reliability
Difference.2nd, the thermal shock producing during the arc extinguishing of chopper effectively cannot be radiated, the reliability to RCCB
Impact, or even damage RCCB.3rd, leakage tripping device needs dynamic iron core and fixed core to use cooperatively, complex structure,
Volume is big and designs existing defects, and the safety such as action inefficacy, action are insensitive, low-voltage is failure to actuate often can be caused hidden
Suffer from.Have a strong impact on product quality.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome chopper in prior art to only have an arc extinguishing
Room, arc extinguishing poor reliability；Poor to the thermal shock heat-sinking capability producing during arc extinguishing；The complex structure of leakage tripping device, volume
Greatly.Thus providing a kind of RCCB,
Described RCCB includes shell, operating mechanism, electromagnetism electric leakage system, arc quenching system, contact system, leaking electricity takes off
Button device and electronic circuit board, described arc quenching system includes arc-chutes and run-on tab,
Described arc-chutes include separate L pole arc-chutes and N pole arc-chutes；Described L pole arc-chutes and N pole arc-chutes
It is separately positioned on L pole and the N pole of described chopper, the electric arc that run-on tab is introduced carries out rupturing duty；
Described shell includes L pole side cover, N pole side cover and between described L pole side cover and N pole side cover, by described open circuit
The middle cover that the L pole of device and N pole separate；Described shell is provided with L pole air vent and N pole air vent；
Described leakage tripping device includes：Dynamic iron core, and in described dynamic iron core radial direction, from inside to outside set gradually
Coil rack, coil and yoke；Described dynamic iron core one end is provided with the push rod being connected with described operating mechanism, and the other end is provided with
Positioning cover plate.
Described arc-chutes include one group of side plate being oppositely arranged in parallel, are arranged between described side plate and be equally spaced from each other flat
Multiple arc extinguishing grid pieces of row；
Described side plate and arc extinguishing grid pieces riveting are fixed, and described side plate is provided with the aerofluxuss for described arc extinguishing grid pieces aerofluxuss
Mouthful；
Described run-on tab is arranged on below described arc-chutes.
Described run-on tab includes L pole run-on tab and N pole run-on tab；
The upper end of described L pole run-on tab is under the contact jaw of L pole moving contact and L pole static contact, described L pole run-on tab
End is arranged on the lower end of described L pole arc-chutes；
The upper end of described N pole run-on tab is under the contact jaw of N pole moving contact and N pole static contact, described N pole run-on tab
End is arranged on the lower end of described N pole arc-chutes.
The volume of described L pole arc-chutes is more than the volume of described N pole arc-chutes, and mutually staggers placement in both positions.
Described middle cover both sides respectively with described L pole side cover and the side cover clamping of N pole, by the inner chamber of described shell be separated into left and right
Left cavity symmetrically, right cavity.
The L pole of described chopper is arranged in described left cavity；
The N pole of described chopper is arranged in described right cavity.
Described L pole air vent covers in described, near the lower end of described L pole arc-chutes；
Described N pole air vent covers in described, near the lower end of described N pole arc-chutes.
Coil spring is socketed with described push rod, described coil spring two ends are connected to described coil rack inner chamber respectively
Between boss and described dynamic iron core.
The longitudinal section of described yoke is U-shaped, and its both sides is provided with small one and large one two semicircle orifices of the radius being coaxially disposed；
Described push rod passes through the little described semicircle orifice of radius to be connected with described operating mechanism, described dynamic unshakable in one's determination big through radius
Described semicircle orifice be connected with described positioning cover plate.
Described operating mechanism includes handle, connecting rod, dropout, contact supporting and the buckle being sequentially connected；
The moving contact being matched with static contact is fixed with described contact supporting.
Described dynamic iron core in described leakage tripping device drives described push rod in the presence of the electromagnetic force of described coil
It is connected with the cooperation of described buckle, promote described moving contact to separate with static contact；
Separate with described buckle under the elastic force effect in described coil spring described dynamic unshakable in one's determination in described leakage tripping device.
Technical solutions of the utility model, have the advantage that：
1. the RCCB that this utility model provides, is provided with two separate L pole arc-chutes and N pole arc-chutes,
Respectively arc extinguishing is carried out to the L pole and N pole of chopper, enable the L pole of chopper and arc spark that N pole break-make produces is rapid in time
Extinguishing, effectively improve the breaking capacity of chopper.
2. the RCCB that this utility model provides, is provided with the middle cover separating the L pole of chopper and N pole, prevents from breaking
The L pole of road device and N pole interfere.
3. the RCCB that this utility model provides, shell is respectively equipped with L pole and the air vent of N pole, effectively will
The thermal shock producing during arc extinguishing is discharged by air vent.
4. the RCCB that this utility model provides, without setting fixed core, dynamic iron core is by coil bone for leakage tripping device
Frame is fixed, and has the advantages that structure is simple, small volume.
5. the RCCB that this utility model provides, leakage tripping device is provided with positioning cover plate, moves position unshakable in one's determination permissible
Adjusted by positioning cover plate and limit.Leakage tripping device is made to go for more different situations, increase its range.
6. the RCCB that this utility model provides, run-on tab one end is arranged near dynamic/static contact contact jaw, the other end
Near arc-chutes setting, improve striking ability and the arc extinguishing ability of RCCB.
7. the RCCB that this utility model provides, L pole arc-chutes and N pole arc-chutes are asymmetrically to each other design, it is to avoid
The position conflict of N pole arc-chutes and electronic circuit board, chopper layout is more reasonable.
8. the RCCB that this utility model provides, in arc-control device, L pole arc extinguishing building volume is more than N pole arc extinguishing chamber body
Long-pending, because the N pole of chopper needs to place electronic circuit board, the arc-chutes disposing small volume in the N pole of chopper are more conducive to
The space layout of RCCB N level.
9. the RCCB that this utility model provides, L pole air vent and N pole air vent are separately positioned on close L pole and go out
Arc chamber and the position of N pole arc-chutes lower end, air vent is located at can be effectively to generation during arc extinguishing near arc-chutes lower end
Thermal shock is radiated it is ensured that the reliability of RCCB.
10. the RCCB that this utility model provides, L pole air vent and N pole air vent be arranged at described in cover,
There is convenient processing.
The RCCB that 11. this utility model provide, yoke is U-shape structure and its both sides is designed using semicircle orifice,
Have the advantages that structure is simple, low production cost.
The RCCB that 12. this utility model provide, operating mechanism includes handle, connecting rod, dropout, contact supporting and buckles
Plate, has the advantages that structure is simple, highly reliable.
Brief description
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
In specific embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The RCCB schematic perspective view that Fig. 1 provides for this utility model；
The L pole schematic perspective view of the RCCB that Fig. 2 provides for this utility model；
The N pole schematic perspective view of the RCCB that Fig. 3 provides for this utility model；
The arc-chutes schematic perspective view that Fig. 4 provides for this utility model；
The middle cover schematic perspective view that Fig. 5 provides for this utility model；
The middle cover schematic perspective view that Fig. 6 provides for this utility model；
The leakage tripping device schematic perspective view that Fig. 7 provides for this utility model；
The yoke schematic perspective view that Fig. 8 provides for this utility model；
Description of reference numerals：
1- shell；2- operating mechanism；3- electronic circuit board；4-L pole arc-chutes；5-N pole arc-chutes；6-L pole side cover；7-N
Pole side cover；8- middle cover；9-L pole air vent；10-N pole air vent；11- moves iron core；12- coil rack；13- coil；14- yoke；
15- push rod；16- positioning cover plate；17- side plate；18- arc extinguishing grid pieces；19-L pole run-on tab；20-N pole run-on tab；21-L is extremely dynamic to be touched
Head；22-N pole moving contact；23-L pole static contact；24-N pole static contact；25- coil spring；26- semicircle orifice；27- handle；28- is even
Bar；29- threads off；30- contact supporting；31- buckle.
Specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described it is clear that described
Embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of not making creative work, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", the orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, are only
For the ease of description this utility model with simplify description, rather than instruction or the hint device of indication or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning in this utility model for the language.
As long as additionally, involved technical characteristic in this utility model different embodiments disclosed below is each other
The conflict of not constituting just can be combined with each other.
Embodiment 1
Independent claims 1 describe a kind of RCCB, described RCCB include shell 1, operating mechanism 2,
Electromagnetism electric leakage system, arc quenching system, contact system, leakage tripping device and electronic circuit board 3, described arc quenching system includes arc-chutes
And run-on tab,
As shown in Figure 1, Figure 2 and Figure 3, described arc-chutes include separate L pole arc-chutes 4 and N pole arc-chutes 5；Institute
State L pole arc-chutes 4 and N pole arc-chutes 5 are separately positioned on L pole and the N pole of described chopper, the electric arc that run-on tab is introduced is carried out
Rupturing duty；
Above-mentioned RCCB, is provided with two separate L pole arc-chutes and N pole arc-chutes, the L to chopper respectively
Pole and N pole carry out arc extinguishing, so that the L pole of chopper and the arc spark of N pole break-make generation is rapidly extinguished in time, effectively carry
The breaking capacity of high chopper.
As shown in Figure 5, Figure 6, described shell 1 includes L pole side cover 6, N pole side cover 7 and in described L pole side cover 6 and N pole
Between side cover 7, middle cover 8 that the L pole of described chopper and N pole are separated；Described shell 1 is provided with L pole air vent 9 and N pole row
QI KOU 10；
Above-mentioned RCCB, is provided with the middle cover separating the L pole of chopper and N pole, prevents L pole and the N pole of chopper
Interfere.
L pole and the air vent of N pole are respectively equipped with shell, effectively aerofluxuss are passed through in the thermal shock producing during arc extinguishing
Mouth is discharged.
As shown in fig. 7, described leakage tripping device includes：Dynamic unshakable in one's determination 11, and in described dynamic 11 radial direction unshakable in one's determination, from interior
Coil rack 12, coil 13 and the yoke 14 outwards setting gradually；Described dynamic 11 one end unshakable in one's determination are provided with is joined with described operating mechanism 2
Close the push rod 15 connecting, the other end is provided with positioning cover plate 16.
Above-mentioned leakage tripping device without setting fixed core, fixed by coil rack by dynamic iron core, has that structure is simple, small volume
Advantage.
And leakage tripping device is provided with positioning cover plate, dynamic position unshakable in one's determination can be adjusted by positioning cover plate and limit.
Leakage tripping device is made to go for more different situations, increase its range.
Specifically, as shown in figure 4, described arc-chutes include one group of side plate being oppositely arranged in parallel 17, are arranged on described side
Between plate 17 and parallel multiple arc extinguishing grid pieces 18 equally spaced from each other；
Described side plate 17 and arc extinguishing grid pieces 18 riveting are fixed, and described side plate 17 is provided with to be used for described arc extinguishing grid pieces 18 aerofluxuss
Air vent；
Described run-on tab is arranged on below described arc-chutes.
Specifically, as shown in Figures 2 and 3, described run-on tab includes L pole run-on tab 19 and N pole run-on tab 20；
The upper end of described L pole run-on tab 19 is near the contact jaw of L pole moving contact 21 and L pole static contact 23, described L pole striking
The lower end of plate 19 is arranged on the lower end of described L pole arc-chutes 4；
The upper end of described N pole run-on tab 20 is near the contact jaw of N pole moving contact 22 and N pole static contact 24, described N pole striking
The lower end of plate 20 is arranged on the lower end of described N pole arc-chutes 5.
Above-mentioned run-on tab one end is arranged near dynamic/static contact contact jaw, and the other end is arranged near arc-chutes, improves electric leakage
The striking ability of chopper and arc extinguishing ability.
Specifically, as shown in Figures 2 and 3, the volume of described L pole arc-chutes 4 is more than the volume of described N pole arc-chutes 5, and
And both positions mutually stagger placement.
Above-mentioned L pole arc-chutes and N pole arc-chutes are asymmetrically to each other design, it is to avoid N pole arc-chutes and electronic circuit board
Conflict in position, chopper layout is more reasonable.
In arc-control device, L pole arc extinguishing building volume is more than N pole arc extinguishing building volume, because the N pole of chopper needs to place electronics
Wiring board, the arc-chutes disposing small volume in the N pole of chopper are more conducive to the space layout of RCCB N level.
Specifically, described middle cover 8 both sides respectively with described L pole side cover 6 and N pole side cover 7 clamping, by described shell 1
Chamber is separated into symmetrical left cavity, right cavity.
The L pole of described chopper is arranged in described left cavity；
The N pole of described chopper is arranged in described right cavity.
Specifically, as shown in Figure 5, Figure 6, described L pole air vent 9 is on described middle cover 8, near described L pole arc-chutes 4
Lower end；
Described N pole air vent 10 on described middle cover 8, near the lower end of described N pole arc-chutes 5.
Above-mentioned L pole air vent and N pole air vent are separately positioned on the position near L pole arc-chutes and N pole arc-chutes lower end,
Air vent is located at and can effectively be radiated it is ensured that leakage, breaking to the thermal shock of generation during arc extinguishing near arc-chutes lower end
The reliability of device.
L pole air vent and N pole air vent be arranged at described in cover, there is convenient processing.
Specifically, as shown in fig. 7, being socketed with coil spring 25 on described push rod 15, described coil spring 25 two ends are respectively
It is connected between the boss of described coil rack 12 inner chamber and described dynamic unshakable in one's determination 11.
Specifically, as shown in figure 8, the longitudinal section of described yoke 14 is U-shaped, it is big that its both sides is provided with the radius one being coaxially disposed
One two little semicircle orifices 26；
Described push rod 15 passes through the little described semicircle orifice 26 of radius to be connected with described operating mechanism 2, and described dynamic unshakable in one's determination 11 wear
Cross the big described semicircle orifice 26 of radius to be connected with described positioning cover plate 16.
Above-mentioned yoke is U-shape structure and its both sides is designed using semicircle orifice, has structure simple, low production cost excellent
Point.
Specifically, as shown in figure 3, described operating mechanism 2 include being sequentially connected handle 27, connecting rod 28,29, contact of threading off
Support 30 and buckle 31；
It is fixed with, on described contact supporting 30, the moving contact matching with static contact.
Aforesaid operations mechanism includes handle, connecting rod, dropout, contact supporting and buckle, has structure simple, highly reliable
Advantage.
Specifically, described dynamic unshakable in one's determination 11 in described leakage tripping device carry in the presence of the electromagnetic force of described coil 13
Move described push rod 15 to be connected with the cooperation of described buckle 31, promote described moving contact to separate with static contact；
In described leakage tripping device described dynamic unshakable in one's determination 11 described coil spring 25 elastic force effect under with described buckle
31 separate.
Embodiment 2
A kind of RCCB, described RCCB includes shell 1, operating mechanism 2, electromagnetism electric leakage system, arc extinguishing system
System, contact system, leakage tripping device and electronic circuit board 3, described arc quenching system includes arc-chutes and run-on tab,
As shown in Figure 1, Figure 2 and Figure 3, described arc-chutes include separate L pole arc-chutes 4 and N pole arc-chutes 5；Institute
State L pole arc-chutes 4 and N pole arc-chutes 5 are separately positioned on L pole and the N pole of described chopper, the electric arc that run-on tab is introduced is carried out
Rupturing duty；
Above-mentioned RCCB, is provided with two separate L pole arc-chutes and N pole arc-chutes, the L to chopper respectively
Pole and N pole carry out arc extinguishing, so that the L pole of chopper and the arc spark of N pole break-make generation is rapidly extinguished in time, effectively carry
The breaking capacity of high chopper.
As shown in Figure 5, Figure 6, described shell 1 includes L pole side cover 6, N pole side cover 7 and in described L pole side cover 6 and N pole
Between side cover 7, middle cover 8 that the L pole of described chopper and N pole are separated；Described shell 1 is provided with L pole air vent 9 and N pole row
QI KOU 10；
Above-mentioned RCCB, is provided with the middle cover separating the L pole of chopper and N pole, prevents L pole and the N pole of chopper
Interfere.
L pole and the air vent of N pole are respectively equipped with shell, effectively aerofluxuss are passed through in the thermal shock producing during arc extinguishing
Mouth is discharged.
As shown in fig. 7, described leakage tripping device includes：Dynamic unshakable in one's determination 11, and in described dynamic 11 radial direction unshakable in one's determination, from interior
Coil rack 12, coil 13 and the yoke 14 outwards setting gradually；Described dynamic 11 one end unshakable in one's determination are provided with is joined with described operating mechanism 2
Close the push rod 15 connecting, the other end is provided with positioning cover plate 16.
Above-mentioned leakage tripping device without setting fixed core, fixed by coil rack by dynamic iron core, has that structure is simple, small volume
Advantage.
And leakage tripping device is provided with positioning cover plate, dynamic position unshakable in one's determination can be adjusted by positioning cover plate and limit.
Leakage tripping device is made to go for more different situations, increase its range.
Specifically, as shown in Figures 2 and 3, described run-on tab includes L pole run-on tab 19 and N pole run-on tab 20；
The upper end of described L pole run-on tab 19 is near the contact jaw of L pole moving contact 21 and L pole static contact 23, described L pole striking
The lower end of plate 19 is arranged on the lower end of described L pole arc-chutes 4；
The upper end of described N pole run-on tab 20 is near the contact jaw of N pole moving contact 22 and N pole static contact 24, described N pole striking
The lower end of plate 20 is arranged on the lower end of described N pole arc-chutes 5.
Above-mentioned run-on tab one end is arranged near dynamic/static contact contact jaw, and the other end is arranged near arc-chutes, improves electric leakage
The striking ability of chopper and arc extinguishing ability.
Specifically, as shown in Figures 2 and 3, the volume of described L pole arc-chutes 4 is more than the volume of described N pole arc-chutes 5, and
And both positions mutually stagger placement.
Above-mentioned L pole arc-chutes and N pole arc-chutes are asymmetrically to each other design, it is to avoid N pole arc-chutes and electronic circuit board
Conflict in position, chopper layout is more reasonable.
In arc-control device, L pole arc extinguishing building volume is more than N pole arc extinguishing building volume, because the N pole of chopper needs to place electronics
Wiring board, the arc-chutes disposing small volume in the N pole of chopper are more conducive to the space layout of RCCB N level.
Specifically, described middle cover 8 both sides respectively with described L pole side cover 6 and N pole side cover 7 clamping, by described shell 1
Chamber is separated into symmetrical left cavity, right cavity.
The L pole of described chopper is arranged in described left cavity；
The N pole of described chopper is arranged in described right cavity.
Specifically, as shown in Figure 5, Figure 6, described L pole air vent 9 is on described middle cover 8, near described L pole arc-chutes 4
Lower end；
Described N pole air vent 10 on described middle cover 8, near the lower end of described N pole arc-chutes 5.
Above-mentioned L pole air vent and N pole air vent are separately positioned on the position near L pole arc-chutes and N pole arc-chutes lower end,
Air vent is located at and can effectively be radiated it is ensured that leakage, breaking to the thermal shock of generation during arc extinguishing near arc-chutes lower end
The reliability of device.
L pole air vent and N pole air vent be arranged at described in cover, there is convenient processing.
Specifically, as shown in fig. 7, being socketed with coil spring 25 on described push rod 15, described coil spring 25 two ends are respectively
It is connected between the boss of described coil rack 12 inner chamber and described dynamic unshakable in one's determination 11.
Specifically, as shown in figure 3, described operating mechanism 2 include being sequentially connected handle 27, connecting rod 28,29, contact of threading off
Support 30 and buckle 31；
It is fixed with, on described contact supporting 30, the moving contact matching with static contact.
Aforesaid operations mechanism includes handle, connecting rod, dropout, contact supporting and buckle, has structure simple, highly reliable
Advantage.
Specifically, described dynamic unshakable in one's determination 11 in described leakage tripping device carry in the presence of the electromagnetic force of described coil 13
Move described push rod 15 to be connected with the cooperation of described buckle 31, promote described moving contact to separate with static contact；
In described leakage tripping device described dynamic unshakable in one's determination 11 described coil spring 25 elastic force effect under with described buckle
31 separate.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among the protection domain created still in this utility model.
Claims (10)
1. a kind of RCCB, described RCCB includes shell (1), operating mechanism (2), electromagnetism electric leakage system, arc extinguishing
System, contact system, leakage tripping device and electronic circuit board (3), described arc quenching system includes arc-chutes and run-on tab, its feature
It is,
Described arc-chutes include separate L pole arc-chutes (4) and N pole arc-chutes (5)；Described L pole arc-chutes (4) and N pole
Arc-chutes (5) are separately positioned on L pole and the N pole of described chopper, and the electric arc that run-on tab is introduced carries out rupturing duty；
Described shell (1) include L pole side cover (6), N pole side cover (7) and described L pole side cover (6) and N pole side cover (7) it
Between, middle cover (8) that the L pole of described chopper and N pole are separated；Described shell (1) is provided with L pole air vent (9) and the aerofluxuss of N pole
Mouth (10)；
Described leakage tripping device includes：Dynamic iron core (11), and in described dynamic iron core (11) radial direction, from inside to outside set successively
Coil rack (12), coil (13) and the yoke (14) put；Described dynamic iron core (11) one end is provided with is joined with described operating mechanism (2)
Close the push rod (15) connecting, the other end is provided with positioning cover plate (16).
2. RCCB according to claim 1 is it is characterised in that described arc-chutes include one group is oppositely arranged in parallel
Side plate (17), be arranged between described side plate (17) and parallel multiple arc extinguishing grid pieces (18) equally spaced from each other；
Described side plate (17) and arc extinguishing grid pieces (18) riveting are fixed, and described side plate (17) is provided with as described arc extinguishing grid pieces (18) row
The air vent of gas；
Described run-on tab is arranged on below described arc-chutes.
3. RCCB according to claim 2 is it is characterised in that described run-on tab includes L pole run-on tab (19) and N
Pole run-on tab (20)；
The contact jaw near L pole moving contact (21) and L pole static contact (23) for the upper end of described L pole run-on tab (19), described L pole is drawn
The lower end of arc plate (19) is arranged on the lower end of described L pole arc-chutes (4)；
The contact jaw near N pole moving contact (22) and N pole static contact (24) for the upper end of described N pole run-on tab (20), described N pole is drawn
The lower end of arc plate (20) is arranged on the lower end of described N pole arc-chutes (5).
4. RCCB according to claim 3 is it is characterised in that the volume of described L pole arc-chutes (4) is more than described
The volume of N pole arc-chutes (5), and both positions mutually stagger placement.
5. RCCB according to claim 1 it is characterised in that described middle cover (8) both sides respectively with described L pole side
Lid (6) and side cover (7) clamping of N pole, the inner chamber of described shell (1) is separated into symmetrical left cavity, right cavity,
The L pole of described chopper is arranged in described left cavity；
The N pole of described chopper is arranged in described right cavity.
6. RCCB according to claim 5 it is characterised in that
Described L pole air vent (9) on described middle cover (8), near described L pole arc-chutes (4) lower end；
Described N pole air vent (10) on described middle cover (8), near described N pole arc-chutes (5) lower end.
7. RCCB according to claim 1 it is characterised in that
Coil spring (25) is socketed with described push rod (15), described coil spring (25) two ends are connected to described coil bone respectively
Between the boss of frame (12) inner chamber and described dynamic iron core (11).
8., it is characterised in that the longitudinal section of described yoke (14) is U-shaped, it two for RCCB according to claim 7
Side is provided with small one and large one two semicircle orifices (26) of the radius being coaxially disposed；
Described push rod (15) passes through the little described semicircle orifice (26) of radius to be connected with described operating mechanism (2), described dynamic iron core
(11) the big described semicircle orifice (26) of radius is passed through to be connected with described positioning cover plate (16).
9. RCCB according to claim 8 it is characterised in that
Handle (27) that the inclusion of described operating mechanism (2) is sequentially connected, connecting rod (28), thread off (29), contact supporting (30) and buckleing
Plate (31)；
It is fixed with, on described contact supporting (30), the moving contact matching with static contact.
10. RCCB according to claim 9 it is characterised in that
Described dynamic iron core (11) in described leakage tripping device drives described in the presence of the electromagnetic force of described coil (13)
Push rod (15) is connected with described buckle (31) cooperation, promotes described moving contact to separate with static contact；
Described dynamic iron core (11) in described leakage tripping device described coil spring (25) elastic force effect is lower and described buckle
(31) separate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031281.8U CN205992519U (en) | 2016-08-31 | 2016-08-31 | A kind of RCCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031281.8U CN205992519U (en) | 2016-08-31 | 2016-08-31 | A kind of RCCB |
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| Publication Number | Publication Date |
|---|---|
| CN205992519U true CN205992519U (en) | 2017-03-01 |
Family
ID=58105773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621031281.8U Active CN205992519U (en) | 2016-08-31 | 2016-08-31 | A kind of RCCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205992519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993897A (en) * | 2017-12-12 | 2018-05-04 | 上海电科电器科技有限公司 | Earth leakage circuit breaker |
| CN109427511A (en) * | 2017-08-22 | 2019-03-05 | 浙江正泰电器股份有限公司 | Breaker |
| CN114530354A (en) * | 2022-02-25 | 2022-05-24 | 中群电气有限公司 | Intelligent temperature control circuit breaker |
-
2016
- 2016-08-31 CN CN201621031281.8U patent/CN205992519U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427511A (en) * | 2017-08-22 | 2019-03-05 | 浙江正泰电器股份有限公司 | Breaker |
| CN109427511B (en) * | 2017-08-22 | 2024-03-26 | 浙江正泰电器股份有限公司 | Circuit breaker |
| CN107993897A (en) * | 2017-12-12 | 2018-05-04 | 上海电科电器科技有限公司 | Earth leakage circuit breaker |
| CN114530354A (en) * | 2022-02-25 | 2022-05-24 | 中群电气有限公司 | Intelligent temperature control circuit breaker |
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