CN106449314A - Residual-current circuit breaker - Google Patents
Residual-current circuit breaker Download PDFInfo
- Publication number
- CN106449314A CN106449314A CN201610833388.2A CN201610833388A CN106449314A CN 106449314 A CN106449314 A CN 106449314A CN 201610833388 A CN201610833388 A CN 201610833388A CN 106449314 A CN106449314 A CN 106449314A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- tripping
- hinged
- lever
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007787 solid Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
Landscapes
- Breakers (AREA)
Abstract
A residual-current circuit breaker is provided. An operating mechanism comprises a mounting plate, a handle, an upper connecting rod, a middle connecting rod, a lower connecting rod, a rotating shaft, a U-shaped connecting rod, a lever, a trip, a lock catch, a trip rod, a drive connecting rod, a contact trip, and a first elastic part, wherein the handle, the upper connecting rod, the middle connecting rod, the lower connecting rod, the rotating shaft, the U-shaped connecting rod, the lever, the trip, the lock catch, the trip rod, the drive connecting rod, the contact trip, and the first elastic part are arranged between the mounting plate and a support. The advantage is that according to the above scheme, the trip is driven by a lever to operate in trip or switching off, the trip rod toggles the drive connecting rod, the contact trip operates to drive the rotating shaft to rotate, thereby achieving quickly tripping, being not affected by the handle, and improving product performance.
Description
Technical field
The present invention relates to a kind of breaker, specifically related to a kind of RCCB.
Background technology
RCCB is the breaker with creepage protection function, and in circuit, leakage current exceedes and can automatically move during predetermined value
The switch made.
The operating mechanism of RCCB generally include handle, upper connecting rod, middle connecting rod, lower link, lever, rotating shaft, lock,
Tripping and some return springs, in combined floodgate, separating brake or dropout, are all the rotations by handle, linkage upper connecting rod, lower company
Bar drives axis of rotation, realizes the divide-shut brake of moving contact, leads to trip speed slow, divide-shut brake is affected by handle, affects product
Energy.
Content of the invention
In order to overcome the shortcomings of background technology, the present invention provides a kind of RCCB.
The technical solution adopted in the present invention:A kind of RCCB, including base, shell, described base is provided with one
Individual support, described support side is provided with operating mechanism, and opposite side is provided with tripping mechanism;Described operating mechanism includes installing plate and sets
Put handle between installing plate and support, upper connecting rod, middle connecting rod, lower link, rotating shaft, U type connecting rod, lever, tripping, lock,
Release lever, kinematic link, contact tripping, the first elastic component;Described handle, lever, contact tripping are respectively hinged at support and peace
On dress plate, and it is provided with the dynamic clamping head and quiet clamping head making it reset;Described lock, tripping are hinged on lever, and described lock is provided with locking
Portion and dropout portion, described tight lock part can be locked with tripping, and described tripping is connected with handle by U type connecting rod;Described
Kinematic link one end is hinged on support, and the other end can be locked with contact tripping;In described rotating shaft, moving contact is installed, and
It is hinged on base;Described upper connecting rod, middle connecting rod, wherein one end of lower link are hinged by a pin joint, described on
The other end of connecting rod is hinged with handle, and the other end of described middle connecting rod is hinged with rotating shaft, the other end of described lower link and contact
Tripping is hinged;Described release lever one end is connected with lever, and the other end is contacted with the bottom of kinematic link by the first elastic component;Institute
State tripping mechanism and include magnetictrip, rocking arm, described rocking arm is hinged with support, and be extended with corresponding with magnetictrip
One bar portion and with through support and lock corresponding second bar portion in dropout portion;Described tripping mechanism also includes ordering about rocking arm again
Second elastic component of position.
One end of described kinematic link is the articulated section hinged with support, and the other end is the lock locking with contact tripping
Buckle;The curved boss structure of described latch part, the equally curved structure in one end that described contact tripping is coordinated with latch part.
Described first elastic component is torsion spring, and described installing plate is provided with torsion spring pole, locating dowel, and described first elastic component is sheathed
On torsion spring pole, one only twists leg and is against in locating dowel, and another twists leg and is against on release lever.
Described second elastic component is torsion spring, and is fixed on support, and one only twists leg and is against the first bar portion, and another twists leg
It is against in rotating shaft.
Also it is extended with the first gangbar on described lock, described lever is extended with the second gangbar;Described shell corresponds to
First gangbar, the position of the second gangbar are provided with arc-shaped slot.
Electric leakage direction board is additionally provided with described lever.
Also include mechanism for testing, described mechanism for testing includes fixed plate, testing button, test torsion spring, test connection sheet;Institute
State fixed plate to be fixed on support, test connection sheet is fixed in fixed plate, described test one end is offseted with fixed plate, separately
One end is offseted with testing button.
The invention has the beneficial effects as follows:Using above scheme, when dropout or separating brake, it is all to be moved by lever drives release lever
Make, release lever stirs kinematic link, axis of rotation driven by contact tripping action, can rapid-releasing, do not affected by handle, carried
High product performance.
Brief description
Fig. 1 is the structural representation of embodiment of the present invention RCCB.
Fig. 2 hides the structural representation after shell for embodiment of the present invention RCCB.
Fig. 3 is the structural representation of embodiment of the present invention support side operating mechanism.
Fig. 4 is the structural representation of embodiment of the present invention support opposite side tripping mechanism and mechanism for testing.
The structural representation that Fig. 5 latches for the embodiment of the present invention.
Fig. 6 is the structural representation of embodiment of the present invention lever.
Fig. 7 is the structural representation of embodiment of the present invention kinematic link.
Fig. 8 is the structural representation of embodiment of the present invention rocking arm.
Fig. 9 is the structural representation of embodiment of the present invention support.
Figure 10 is the structural representation of embodiment of the present invention contact tripping.
In figure 1- base, 2- shell, 3- support, 4- handle, 5- upper connecting rod, connecting rod in 6-, 7- lower link, 8- rotating shaft, 9-U
Type connecting rod, 10- lever, 101- second gangbar, 102- direction board, 11- tripping, 12- latches, 121- tight lock part, and 122- threads off
Portion, 123- first gangbar, 13- release lever, 14- kinematic link, 15- contact tripping, 16- first elastic component, 17- installing plate,
171- torsion spring pole, 172- locating dowel, 18- moving contact, 19- magnetictrip, 20- rocking arm, 201- first bar portion, 202- second bar
Portion, 21- second elastic component, 22- arc-shaped slot, 23- fixed plate, 24- testing button, 25- tests torsion spring, and 26- tests connection sheet.
Specific embodiment
Embodiments of the present invention is further illustrated below in conjunction with the accompanying drawings:
As illustrated, a kind of RCCB, including base 1, shell 2, described base 1 is provided with a support 3, described support
3 sides are provided with operating mechanism, and opposite side is provided with tripping mechanism;
Described operating mechanism includes installing plate 17 and is arranged on handle 4 between installing plate 17 and support 3, upper connecting rod 5, middle connecting rod
6th, lower link 7, rotating shaft 8, U type connecting rod 9, lever 10, tripping 11, lock 12, release lever 13, kinematic link 14, contact tripping 15,
First elastic component 16;
Described handle 4, lever 10, contact tripping 15 are respectively hinged on support 3 and installing plate 17, and are provided with the bullet making it reset
Property return unit;
Described lock 12, tripping 11 are hinged on lever 10, and described lock 12 is provided with tight lock part 121 and dropout portion 122, described lock
Tight portion 121 can be locked with tripping 11, and described tripping 11 is connected with handle 4 by U type connecting rod 9;
Described kinematic link 14 one end is hinged on support 3, and the other end can be locked with contact tripping 15;
In described rotating shaft 8, moving contact 18 is installed, and is hinged on base 1;
Described upper connecting rod 5, middle connecting rod 6, wherein one end of lower link 7 are hinged by a pin joint, described upper connecting rod 5
The other end is hinged with handle 4, and the other end of described middle connecting rod 6 is hinged with rotating shaft 8, and the other end of described lower link 7 is jumped with contact
Detain 15 hinged;
Described release lever 13 one end is connected with lever 10, and the other end is connect by the bottom of the first elastic component 16 and kinematic link 14
Touch;
Described tripping mechanism includes magnetictrip 19, rocking arm 20, and described rocking arm 20 is hinged with support 3, and is extended with and electromagnetism
Corresponding first bar portion 201 of electrical apparatus release 19 and with through support 3 and lock 12 corresponding second bar portion 202 in dropout portion 122;
Described tripping mechanism also includes ordering about the second elastic component 21 of rocking arm reset.
During combined floodgate, turning handle 4, drive rotating shaft 8 to rotate by upper connecting rod 5, middle connecting rod 6, make moving contact 18 and static contact
Contact, carries moving contact tripping 15 to rotate by upper connecting rod 5, lower link 7, until tight with kinematic link 14 phase kayser, rotate simultaneously
During handle 4, drive tripping 11, lever 10 to rotate by U type connecting rod 9, make the tight lock part 121 phase kayser of tripping 11 and lock 12
Tightly;
During dropout, magnetictrip 19 promotes rocking arm 20 to rotate, and making rocking arm 20 stir lock 12 makes it separate with tripping, tripping 11
Then turn round in the presence of dynamic clamping head and quiet clamping head with lever 10 simultaneously, drive release lever 13 action simultaneously, release lever 13 stirs transmission
Connecting rod 14 is separated with contact tripping 15, and lower link 7 is passed through in contact tripping 15, middle connecting rod 6 drives rotating shaft 8 to rotate, thus realizing fast
Speed is threaded off, so that contact dropout is not affected by handle 4 during threading off, thus realizing rapid-releasing, improves product
Energy;
During manual brake separating, turning handle 4, handle 4 drives lever 10 to rotate by U type connecting rod 9, thus driving release lever 13 to move
Make, release lever 13 is stirred kinematic link 14 and separated with contact tripping 15, lower link 7 is passed through in contact tripping 15, middle connecting rod 6 drives and turns
Axle 8 rotates, thus realizing quick acting switching-off so that in manual brake separating, contact can be rapidly separated, is not subject to handle 4 service speed
Impact, thus realizing quick acting switching-off, enhances product performance.
As illustrated, one end of described kinematic link 14 is the articulated section 141 hinged with support 3, the other end is and contact
The latch part 142 that tripping 15 locks;The curved boss structure of described latch part 142, described contact tripping 15 and lock
The equally curved structure in one end of portion 142 cooperation, arcuate structure makes, and arcuate structure is so that kinematic link is connect with contact tripping
Reduce abrasion, improve product quality and stability when tactile.
As illustrated, described first elastic component 16 is torsion spring, described installing plate 17 is provided with torsion spring pole 171, locating dowel
172, described first elastic component 16 is set on torsion spring pole 171, and one only twists leg and is against in locating dowel 172, another twist leg to
On release lever 13, structure is simple, easy for installation.
As illustrated, described second elastic component 21 is torsion spring, and it is fixed on support 3, one only twists leg and is against the first bar
Portion 201, another twists leg and is against in rotating shaft 8, and structure is simple, easy for installation, and is stirred by rotating shaft 8
As illustrated, being also extended with the first gangbar 123 on described lock 12, described lever 10 is extended with the second gangbar
101;Described shell 2 corresponds to the first gangbar 121, the position of the second gangbar 101 is provided with arc-shaped slot 22, links by first
Bar 123, the second gangbar 101, arc-shaped slot 22 enable this RCCB additionally to increase duplicate, improve the practicality of product
Property.
As illustrated, being additionally provided with electric leakage direction board 102 on described lever 10, by electric leakage detector 102, directly fixation sets
Put in lever 10, be not only simple in structure, and instruction is more accurate.
As illustrated, also including mechanism for testing, described mechanism for testing includes fixed plate 23, testing button 24, test torsion spring
25th, test connection sheet 26;Described fixed plate 23 is fixed on support 3, and test connection sheet 26 is fixed in fixed plate 23, described survey
Examination torsion spring 25 one end is offseted with fixed plate 23, and the other end is offseted with testing button 24, by pressing testing button 24, so that test is turned round
Spring 25 is contacted with test connection sheet 26, carries out leak(age) test, is tested by mechanism for testing, effective detection validity of products,
Effect is more preferable.
Embodiment is not construed as the restriction to invention, but any spiritual improvements introduced based on the present invention, all Ying Ben
Within the protection domain of invention.
Claims (7)
1. a kind of RCCB, including base(1), shell(2), described base(1)It is provided with a support(3), described
Frame(3)Side is provided with operating mechanism, and opposite side is provided with tripping mechanism;
It is characterized in that:Described operating mechanism includes installing plate(17)And it is arranged on installing plate(17)With support(3)Between hand
Handle(4), upper connecting rod(5), middle connecting rod(6), lower link(7), rotating shaft(8), U type connecting rod(9), lever(10), tripping(11), lock
(12), release lever(13), kinematic link(14), contact tripping(15), the first elastic component(16);
Described handle(4), lever(10), contact tripping(15)It is respectively hinged at support(3)With installing plate(17)On, and be provided with and make
Its dynamic clamping head and quiet clamping head resetting;
Described lock(12), tripping(11)It is hinged on lever(10)On, described lock(12)It is provided with tight lock part(121)With dropout portion
(122), described tight lock part(121)Energy and tripping(11)Lock, described tripping(11)By U type connecting rod(9)With handle(4)
It is connected;
Described kinematic link(14)One end is hinged on support(3)On, the other end can be with contact tripping(15)Lock;
Described rotating shaft(8)On moving contact is installed(18), and it is hinged on base(1)On;
Described upper connecting rod(5), middle connecting rod(6), lower link(7)Wherein one end be hinged by a pin joint, described on
Connecting rod(5)The other end and handle(4)Hinged, described middle connecting rod(6)The other end and rotating shaft(8)Hinged, described lower link(7)
The other end and contact tripping(15)Hinged;
Described release lever(13)One end and lever(10)Connect, the other end passes through the first elastic component(16)With kinematic link(14)'s
Bottom contacts;
Described tripping mechanism includes magnetictrip(19), rocking arm(20), described rocking arm(20)With support(3)Hinged, and stretch out
Have and magnetictrip(19)Corresponding first bar portion(201)And with through support(3)With lock(12)Dropout portion(122)
Corresponding second bar portion(202);Described tripping mechanism also includes ordering about the second elastic component of rocking arm reset(21).
2. RCCB according to claim 1 it is characterised in that:Described kinematic link(14)One end be and support
(3)Hinged articulated section(141), the other end is and contact tripping(15)The latch part locking(142);Described latch part
(142)Curved boss structure, described contact tripping(15)With latch part(142)The equally curved structure in one end of cooperation.
3. RCCB according to claim 1 it is characterised in that:Described first elastic component(16)For torsion spring, described
Installing plate(17)It is provided with torsion spring pole(171), locating dowel(172), described first elastic component(16)It is set in torsion spring pole(171)
On, one only twists leg and is against locating dowel(172)On, another twists leg and is against release lever(13)On.
4. RCCB according to claim 1 it is characterised in that:Described second elastic component(21)For torsion spring and solid
It is scheduled on support(3)On, one only twists leg and is against the first bar portion(201), another twists leg and is against rotating shaft(8)On.
5. RCCB according to claim 1 it is characterised in that:Described lock(12)On be also extended with the first linkage
Bar(123), described lever(10)On be extended with the second gangbar(101);Described shell(2)Corresponding first gangbar(121),
Two gangbar(101)Position be provided with arc-shaped slot(22).
6. RCCB according to claim 1 it is characterised in that:Described lever(10)On be additionally provided with electric leakage direction board
(102).
7. RCCB according to claim 1 it is characterised in that:Also include mechanism for testing, described mechanism for testing bag
Include fixed plate(23), testing button(24), test torsion spring(25), test connection sheet(26);Described fixed plate(23)It is fixed on and prop up
Frame(3)On, test connection sheet(26)It is fixed on fixed plate(23)On, described test torsion spring(25)One end and fixed plate(23)Phase
Support, the other end and testing button(24)Offset.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610833388.2A CN106449314B (en) | 2016-09-20 | 2016-09-20 | A kind of RCCB |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610833388.2A CN106449314B (en) | 2016-09-20 | 2016-09-20 | A kind of RCCB |
Publications (2)
Publication Number | Publication Date |
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CN106449314A true CN106449314A (en) | 2017-02-22 |
CN106449314B CN106449314B (en) | 2018-03-06 |
Family
ID=58165882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610833388.2A Active CN106449314B (en) | 2016-09-20 | 2016-09-20 | A kind of RCCB |
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CN (1) | CN106449314B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107452565A (en) * | 2017-08-29 | 2017-12-08 | 华通机电股份有限公司 | Small-sized earth leakage protective device |
CN108039309A (en) * | 2017-12-28 | 2018-05-15 | 加西亚电子电器股份有限公司 | A kind of mechanism of leakage circuit breakers |
CN109659210A (en) * | 2018-11-30 | 2019-04-19 | 浙江正泰电器股份有限公司 | Breaker |
CN112701013A (en) * | 2019-10-23 | 2021-04-23 | 北京京人电器有限公司 | Switch device |
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EP0338930A1 (en) * | 1988-04-22 | 1989-10-25 | Hager Electro S.A. | Circuit breakers or differential circuit breakers |
FR2637121A1 (en) * | 1988-09-27 | 1990-03-30 | Merlin Gerin | Auxiliary trip unit with reversible electromagnet for circuit breaker |
JPH0757607A (en) * | 1993-08-16 | 1995-03-03 | Fuji Electric Co Ltd | Circuit breaker |
EP1753005A1 (en) * | 2005-08-12 | 2007-02-14 | ABB PATENT GmbH | Line safety switch |
CN102243953A (en) * | 2010-05-13 | 2011-11-16 | 上海华联低压电器有限公司 | Plastic shell type low-voltage circuit breaker |
CN202434448U (en) * | 2012-01-06 | 2012-09-12 | 浙江鼎威科技有限公司 | Small-volume 1P+N electric-leakage circuit breaker |
CN103745892A (en) * | 2014-01-16 | 2014-04-23 | 徐波 | Operation mechanism of small-size breaker |
CN205159253U (en) * | 2015-09-22 | 2016-04-13 | 浙江正泰电器股份有限公司 | Circuit breaker |
-
2016
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EP0338930A1 (en) * | 1988-04-22 | 1989-10-25 | Hager Electro S.A. | Circuit breakers or differential circuit breakers |
FR2637121A1 (en) * | 1988-09-27 | 1990-03-30 | Merlin Gerin | Auxiliary trip unit with reversible electromagnet for circuit breaker |
JPH0757607A (en) * | 1993-08-16 | 1995-03-03 | Fuji Electric Co Ltd | Circuit breaker |
EP1753005A1 (en) * | 2005-08-12 | 2007-02-14 | ABB PATENT GmbH | Line safety switch |
CN102243953A (en) * | 2010-05-13 | 2011-11-16 | 上海华联低压电器有限公司 | Plastic shell type low-voltage circuit breaker |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107452565A (en) * | 2017-08-29 | 2017-12-08 | 华通机电股份有限公司 | Small-sized earth leakage protective device |
CN107452565B (en) * | 2017-08-29 | 2019-12-06 | 华通机电股份有限公司 | Small-sized leakage protector |
CN108039309A (en) * | 2017-12-28 | 2018-05-15 | 加西亚电子电器股份有限公司 | A kind of mechanism of leakage circuit breakers |
CN108039309B (en) * | 2017-12-28 | 2023-09-19 | 加西亚电子电器股份有限公司 | Mechanism of leakage circuit breaker |
CN109659210A (en) * | 2018-11-30 | 2019-04-19 | 浙江正泰电器股份有限公司 | Breaker |
CN109659210B (en) * | 2018-11-30 | 2024-03-08 | 浙江正泰电器股份有限公司 | Circuit breaker |
CN112701013A (en) * | 2019-10-23 | 2021-04-23 | 北京京人电器有限公司 | Switch device |
CN112701013B (en) * | 2019-10-23 | 2023-12-22 | 北京京人电器有限公司 | Switching device |
Also Published As
Publication number | Publication date |
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Denomination of invention: A leakage circuit breaker Effective date of registration: 20231128 Granted publication date: 20180306 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: GARCIA ELECTRICAL APPLIANCE CO.,LTD. Registration number: Y2023980067707 |
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