CN108039309A - A kind of mechanism of leakage circuit breakers - Google Patents
A kind of mechanism of leakage circuit breakers Download PDFInfo
- Publication number
- CN108039309A CN108039309A CN201711464604.1A CN201711464604A CN108039309A CN 108039309 A CN108039309 A CN 108039309A CN 201711464604 A CN201711464604 A CN 201711464604A CN 108039309 A CN108039309 A CN 108039309A
- Authority
- CN
- China
- Prior art keywords
- interlocking lever
- fixed frame
- circuit breakers
- tripping
- leakage circuit
- 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
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
- H01H71/04—Means for indicating condition of the switching device
-
- 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
- H01H71/24—Electromagnetic 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
Abstract
The invention discloses a kind of mechanism of leakage circuit breakers, including breaker body, the breaker body includes outline border, the executing agency being arranged inside outline border and mechanism for testing, the outline border includes base and upper cover, the executing agency includes the fixed frame being fixed on base, the tripping mechanism being arranged in fixed frame, resetting-mechanism and shaft, the tripping mechanism includes and the gear unit of handle linkage and tripping, one end of the tripping is rotationally connected with fixed frame, the resetting-mechanism includes restoring board and lock, the restoring board is equipped with a restoring board torsional spring, one end of the restoring board torsional spring is sequentially passed through in shaft and restoring board, the lock is equipped with lock torsion spring, one end of the lock torsion spring is connected in one end of lock, the other end and restoring board of the lock abut against.The present invention is reasonable in design, uses more convenient, and security higher high relative to the leakage circuit breakers of prior art efficiency of assembling of the present invention.
Description
Technical field
The present invention relates to breaker technical field, and in particular to a kind of mechanism of leakage circuit breakers.
Background technology
Leakage circuit breakers is the electric current for referring to close, carry and cut-off under normal loop condition and can close, provide
Time in carrying and cut-off the switching device of the electric current under abnormal loop condition.Leakage circuit breakers of the prior art is generally wrapped
Detection of electrical leakage part, executing agency and the mechanism for testing for include outline border, being arranged inside outline border, executing agency is generally again including threading off
Mechanism and resetting-mechanism, even if its main function is after power-off and power-off can be played when the electric current in circuit is abnormal
The effect of reset, and the effect of mechanism for testing is then to be used to test whether leakage circuit breakers can also work normally.
The signal transmission power source of existing detection of electrical leakage part is electromagnet apparatus, iron core and tripping mechanism on electromagnet apparatus
Driving coupling, tripping mechanism are linked to form open circuit when breaker leaks electricity by the transmission of iron core with joystick.It is existing
The parts that tripping mechanism in some leakage circuit breakers mostly includes are excessive, install and dismantle extremely inconvenient, and easily go out
The phenomenon of existing slide fastener, causes breaker can not be breaking in time when leaking electricity；
Meanwhile the electromagnet apparatus of leakage circuit breakers is generally by two yokes, one electromagnetic coil, an iron core and one
Reaction spring forms.Two yokes need to be fixed up with two pieces screw assemblies, and are installed on breaker body and need two pieces
Screw assemblies just can be with installation is complete, and buckle releaser assembles, is cumbersome for installation, time-consuming.
The content of the invention
The present invention is to solve the above-mentioned problems, there is provided it is a kind of reasonable in design, using more convenient, efficiency of assembling it is high and
The mechanism of the leakage circuit breakers of security higher.
The present invention adopts the following technical scheme that：
A kind of mechanism of leakage circuit breakers, including breaker body, the breaker body include outline border, are arranged at outline border
Internal executing agency and mechanism for testing, the outline border include mutually being connected in base and upper cover together, the executing agency
Including the fixed frame that is fixed on base, the tripping mechanism being arranged in fixed frame, resetting-mechanism and can rotate
The shaft of chassis interior side is arranged at, the tripping mechanism includes and the gear unit of handle linkage and tripping, the jump
One end of button is rotationally connected with fixed frame, and the other end of the tripping is equipped with the first engaging portion, and the resetting-mechanism includes
Restoring board and lock, the restoring board include first connecting portion, reset portion and the first low socket part, and the first connecting portion, which rotates, to be connected
It is connected in fixed frame, a restoring board torsional spring is additionally provided with the first connecting portion, one end of the restoring board torsional spring is successively
Through shaft and reset portion, the lock includes the second engaging portion, second connecting portion and the second low socket part, second snapping
Portion and the first engaging portion mutually snap connection, and the second connecting portion is rotationally connected with fixed frame, the second connecting portion
Side be equipped with lock torsion spring, one end of the lock torsion spring is connected in the second engaging portion, and second abutting part is connected to
In first low socket part.
As a preferred technical solution of the present invention, the executing agency, which further includes, is fixed on chassis interior and close turn
The dead point mechanism of axis one end, be arranged at chassis interior and the magnet ring away from dead point mechanism side, parallel in the dead point mechanism
Equipped with two silver points corresponding with magnet ring, the side in the shaft close to dead point mechanism is equipped with Dong Dian mechanisms, the dynamic machine
Structure is equipped with movable contact corresponding with silver point.
As a preferred technical solution of the present invention, the dead point mechanism includes two connection fixing bases being arranged in parallel
With two static contacts for corresponding to connection fixing base, described two silver points are respectively arranged on two static contacts.
As a preferred technical solution of the present invention, the Dong Dian mechanisms include test contact stent and N poles contact branch
Frame, N poles contact supporting are equipped with moving contact, and the movable contact is fixed on moving contact close to the side of silver point.
As a preferred technical solution of the present invention, the side in the tripping close to gear unit is equipped with driving section,
The gear unit includes upper interlocking lever, middle interlocking lever, lower interlocking lever and cam, one end of the upper interlocking lever and handle connection
Dynamic, the other end of the upper interlocking lever respectively link by one end with middle interlocking lever, one end of lower interlocking lever, the lower interlocking lever
The other end and shaft linkage, one end linkage of the other end and cam of the middle interlocking lever, the other end of the cam, which rotates, to be connected
It is connected in fixed frame, one end of the cam and the linkage of middle interlocking lever is connected on driving section.
As a preferred technical solution of the present invention, the executing agency further includes contact indicator, and the contact refers to
Show that device is connected in shaft including the 3rd Access Division, the 3rd connecting portion and the 3rd Access Division described in instruction unit, the 3rd connection
Portion is rotationally connected with fixed frame, and the instruction unit is extended close at the position of upper cover madial wall, corresponding on the upper lid
Observation through hole is equipped with the position of instruction unit.
As a preferred technical solution of the present invention, the side away from upper cover is equipped with installed cassette, institute on the base
State installed cassette and be equipped with mounting hole.
The beneficial effects of the invention are as follows：
1st, the present invention is reasonable in design, safe and convenient to use, and the executing agency being provided with is including de- mouth mechanism and again
Position mechanism, is resetted merely using big spring compared with the prior art, and resetting-mechanism of the invention causes the reset of leakage circuit breakers
Effect is faster more stable, improves the using effect and safety in utilization of leakage circuit breakers, while causes the assembling effect of executing agency
Rate higher；
2nd, the contact indicator of the invention set and the observation through hole being arranged on lid enable to user can
Observe that the different of instruction unit change by observing through hole, so that the use state of the present invention is more intuitively experienced, to carry
The using effect of the high present invention.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the mechanism of leakage circuit breakers of the present invention；
Fig. 2 is a kind of right side structural representation of the mechanism of leakage circuit breakers of the present invention；
Fig. 3 is the structure diagram of executing agency of the present invention；
Fig. 4 removes the structure diagram after fixed frame and magnet ring for executing agency of the present invention；
Fig. 5 is the dimensional structure diagram of restoring board of the present invention；
Fig. 6 is the dimensional structure diagram that the present invention latches；
Fig. 7 is the dimensional structure diagram of tripping of the present invention；
Fig. 8 is the structure diagram of shaft of the present invention；
Fig. 9 is the dimensional structure diagram of contact indicator of the present invention；
Symbol description in figure：
Base 1, upper cover 2, fixed frame 3, shaft 4, handle 5, tripping 6, the first engaging portion 7, restoring board 8, lock 9, the
One connecting portion 10, reset portion 11, the first low socket part 12, restoring board torsional spring 13, the second engaging portion 14, second connecting portion 15, second
Low socket part 16, lock torsion spring 17, magnet ring 18, silver point 19, movable contact 20, connection fixing base 21, static contact 22, test contact stent
23, N pole contact supportings 24, moving contact 25, driving section 26, upper interlocking lever 27, middle interlocking lever 28, lower interlocking lever 29, cam 30, is touched
Point indicator 31, the 3rd Access Division 32, the 3rd connecting portion 33, instruction unit 34, observes through hole 35, installed cassette 36, mounting hole
37。
Specific embodiment
Presently in connection with attached drawing, the present invention will be described in further detail.
As shown in Figures 1 to 9, a kind of mechanism of leakage circuit breakers, including breaker body, the breaker body include
Outline border, the executing agency being arranged inside outline border and mechanism for testing, the outline border include mutually being connected in base 1 together and upper
Lid 2, the executing agency include the fixed frame 3 being fixed on base 1, the tripping mechanism being arranged in fixed frame 3, reset
Mechanism and the shaft 4 for being arranged at 1 interior side of base that can be rotated, the tripping mechanism include the biography to link with handle 5
Moving cell and tripping 6, one end of the tripping 6 are rotationally connected with fixed frame 3, and the other end of the tripping 6 is equipped with the
One engaging portion 7, the resetting-mechanism include restoring board 8 and lock 9, and the restoring board 8 includes first connecting portion 10, reset portion 11
The low socket part 12 with first, the first connecting portion 10 are rotationally connected with fixed frame 3, are additionally provided with the first connecting portion 10
One restoring board torsional spring 13, one end of the restoring board torsional spring 13 are sequentially passed through in shaft 4 and reset portion 11, the bag of lock 9
The second engaging portion 14,15 and second low socket part 16 of second connecting portion are included, 14 and first engaging portion 10 of the second engaging portion is mutual
Snap connection, the second connecting portion 15 is rotationally connected with fixed frame 3, and the side of the second connecting portion 15 is equipped with lock
Torsional spring 17, one end of the lock torsion spring 17 are connected in the second engaging portion 14, and it is low that second abutting part 16 is connected to first
In socket part 12；
The executing agency, which further includes, is fixed on the dead point mechanism of the inside of base 1 and close 4 one end of shaft, is arranged at base
1 inside and the magnet ring 18 away from dead point mechanism side, it is parallel in the dead point mechanism to be equipped with two and 18 corresponding silver of magnet ring
Point 19, the side in the shaft 4 close to dead point mechanism are equipped with Dong Dian mechanisms, and the Dong Dian mechanisms are equipped with one and wherein one
The corresponding movable contact 20 of a silver point 19；
The dead point mechanism includes two connection fixing bases 21 being arranged in parallel and two correspond to connection fixing base 21
Static contact 22, described two silver points 20 are respectively arranged on two static contacts 22；
The Dong Dian mechanisms include test contact stent 23 and N poles contact supporting 24, are set on N poles contact supporting 24
There is moving contact 25, the movable contact 20 is fixed on moving contact 25 close to the side of silver point 19；
Side in the tripping 6 close to gear unit is equipped with driving section 26, the gear unit including upper interlocking lever 27,
Middle interlocking lever 28, lower interlocking lever 29 and cam 30, one end of the upper interlocking lever 27 and handle 5 link, the upper interlocking lever 27
The other end respectively one end with middle interlocking lever 28, lower interlocking lever 29 one end linkage, the other end of the lower interlocking lever 29 and
Shaft 4 links, one end linkage of the other end and cam 30 of the middle interlocking lever 28, the other end rotation connection of the cam 30
In in fixed frame 3, one end of cam 30 and middle interlocking lever 28 linkage is connected on driving section 26；
The executing agency further includes contact indicator 31, and the contact indicator 31 includes the 3rd Access Division the 32, the 3rd
Connecting portion 33 and instruction unit 34, the 3rd Access Division 3 linkage are connected in shaft 4, and the 3rd connecting portion 33 is rotatablely connected
In in fixed frame 3, the instruction unit 34 is extended close at the position of 2 madial wall of upper cover, and instruction is corresponded in the upper cover 2
It is equipped with the position in portion 34 easy to the observation through hole 35 of observation instruction unit 34；In the present embodiment, two up and down of instruction unit 34
Different mark (such as spraying different colors) is respectively equipped with, so that the band movable contact indicator when shaft 4 rotates
31 link together so that user can observe that the different of instruction unit 34 change by observing through hole 35, so that more directly perceived
Experience the present invention use state, with improve the present invention using effect；
The side away from upper cover 2 is equipped with the installed cassette 36 being fixedly mounted easy to the present invention, the installation on the base 1
Deck 36 is equipped with mounting hole 37.
It is worth noting that, the component in heretofore described " being rotationally connected with fixed frame " is to be turned by pivot pin
It is dynamic to be connected in fixed frame.
The use principle of the present invention is summarized as follows：
In use, work as circuit malfunctions, after the electric current of the body of the circuit breaker changes, magnet ring 18 produces magnetic force and simultaneously makees
For silver point 19, silver point 19 produces powerful attraction under the action of magnetic force, attracts movable contact 20 to drive Dong Dian mechanisms downward
It is mobile, while Dong Dian mechanisms drive shaft 4 to rotate down, shaft 4 drives tripping mechanism, resetting-mechanism and contact at the same time again at this time
Indicator 31, so as to complete automatic trip power-off.
Finally it should be noted that：These embodiments are merely to illustrate the present invention and do not limit the scope of the invention.In addition,
To those of ordinary skill in the art, other various forms of changes or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change or change thus amplified out
Among moving still in protection scope of the present invention.
Claims (7)
1. a kind of mechanism of leakage circuit breakers, including breaker body, the breaker body includes outline border, is arranged in outline border
The executing agency in portion and mechanism for testing, it is characterised in that：The outline border includes mutually being connected in base (1) and upper cover together
(2), the executing agency includes the fixed frame (3) being fixed on base (1), the dropout machine being arranged in fixed frame (3)
Structure, resetting-mechanism and the shaft (4) for being arranged at base (1) interior side that can be rotated, the tripping mechanism includes and hand
The gear unit of handle (5) linkage and tripping (6), one end of the tripping (6) is rotationally connected with fixed frame (3), described
The other end of tripping (6) is equipped with the first engaging portion (7), and the resetting-mechanism includes restoring board (8) and lock (9), the reset
Plate (8) includes first connecting portion (10), reset portion (11) and the first low socket part (12), first connecting portion (10) rotation connection
In fixed frame (3), a restoring board torsional spring (13), the restoring board torsional spring are additionally provided with the first connecting portion (10)
(13) one end is sequentially passed through in shaft (4) and reset portion (11), and the lock (9) includes the second engaging portion (14), the second company
Socket part (15) and the second low socket part (16), second engaging portion (14) and the first engaging portion (7) mutually snap connection, and described
Two connecting portions (15) are rotationally connected with fixed frame (3), and the side of the second connecting portion (15) is equipped with lock torsion spring (17),
One end of the lock torsion spring (17) is connected in the second engaging portion (14), and second abutting part (16) is connected to first and low connects
(12) in portion.
A kind of 2. mechanism of leakage circuit breakers according to claim 1, it is characterised in that：The executing agency further includes solid
Due to the dead point mechanism of base (1) inside and close shaft (4) one end, it is arranged at base (1) inside and away from dead point mechanism one
The magnet ring (18) of side, it is parallel in the dead point mechanism to be equipped with two and the corresponding silver point (19) of magnet ring (18), the shaft (4)
The side of interior close dead point mechanism is equipped with Dong Dian mechanisms, and the Dong Dian mechanisms are equipped with and the corresponding movable contact of silver point (19)
(20)。
A kind of 3. mechanism of leakage circuit breakers according to claim 2, it is characterised in that：The dead point mechanism includes two
The connection fixing base (21) being arranged in parallel and two static contacts (22) for corresponding to connection fixing base (21), described two silver points
(19) it is respectively arranged on two static contacts (22).
A kind of 4. mechanism of leakage circuit breakers according to claim 2, it is characterised in that：The Dong Dian mechanisms include test
Contact supporting (23) and N poles contact supporting (24), N poles contact supporting (24) are equipped with moving contact (25), the movable contact
(20) it is fixed on moving contact (25) close to the side of silver point (19).
A kind of 5. mechanism of leakage circuit breakers according to claim 1, it is characterised in that：Close to biography on the tripping (6)
The side of moving cell is equipped with driving section (26), and the gear unit includes upper interlocking lever (27), middle interlocking lever (28), lower interlocking lever
(29) divide with cam (30), one end of the upper interlocking lever (27) and handle (5) linkage, the other end of the upper interlocking lever (27)
Do not link with one end of middle interlocking lever (28), one end of lower interlocking lever (29), the other end and shaft of the lower interlocking lever (29)
(4) link, one end linkage of the other end and cam (30) of the middle interlocking lever (28), the other end of the cam (30) rotates
It is connected in fixed frame (3), one end of the cam (30) and middle interlocking lever (28) linkage is connected on driving section (26).
A kind of 6. mechanism of leakage circuit breakers according to claim 1, it is characterised in that：The executing agency further includes tactile
Point indicator (31), the contact indicator (31) include the 3rd Access Division (32), the 3rd connecting portion (33) and instruction unit (34),
3rd Access Division (32) is connected in shaft (4), and the 3rd connecting portion (33) is rotationally connected with fixed frame (3),
The instruction unit (34) is extended close at the position of upper cover (2) madial wall, corresponding to instruction unit (34) on the upper cover (2)
Observation through hole (35) is equipped with position.
A kind of 7. mechanism of leakage circuit breakers according to claim 1, it is characterised in that：Away from upper on the base (1)
The side of lid (2) is equipped with installed cassette (36), and the installed cassette (36) is equipped with mounting hole (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464604.1A CN108039309B (en) | 2017-12-28 | 2017-12-28 | Mechanism of leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464604.1A CN108039309B (en) | 2017-12-28 | 2017-12-28 | Mechanism of leakage circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108039309A true CN108039309A (en) | 2018-05-15 |
| CN108039309B CN108039309B (en) | 2023-09-19 |
Family
ID=62097819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711464604.1A Active CN108039309B (en) | 2017-12-28 | 2017-12-28 | Mechanism of leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108039309B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881530A (en) * | 2012-08-28 | 2013-01-16 | 浙江天正电气股份有限公司 | Operating mechanism and miniature circuit breaker |
| CN202736860U (en) * | 2012-09-13 | 2013-02-13 | 浙江天正电气股份有限公司 | Miniature breaker easy to assemble and operating mechanism thereof |
| CN106449314A (en) * | 2016-09-20 | 2017-02-22 | 加西亚电子电器股份有限公司 | Residual-current circuit breaker |
| CN207909808U (en) * | 2017-12-28 | 2018-09-25 | 加西亚电子电器股份有限公司 | A kind of mechanism of leakage circuit breakers |
-
2017
- 2017-12-28 CN CN201711464604.1A patent/CN108039309B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881530A (en) * | 2012-08-28 | 2013-01-16 | 浙江天正电气股份有限公司 | Operating mechanism and miniature circuit breaker |
| CN202736860U (en) * | 2012-09-13 | 2013-02-13 | 浙江天正电气股份有限公司 | Miniature breaker easy to assemble and operating mechanism thereof |
| CN106449314A (en) * | 2016-09-20 | 2017-02-22 | 加西亚电子电器股份有限公司 | Residual-current circuit breaker |
| CN207909808U (en) * | 2017-12-28 | 2018-09-25 | 加西亚电子电器股份有限公司 | A kind of mechanism of leakage circuit breakers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108039309B (en) | 2023-09-19 |
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