CN108039309B - Mechanism of leakage circuit breaker - Google Patents
Mechanism of leakage circuit breaker Download PDFInfo
- Publication number
- CN108039309B CN108039309B CN201711464604.1A CN201711464604A CN108039309B CN 108039309 B CN108039309 B CN 108039309B CN 201711464604 A CN201711464604 A CN 201711464604A CN 108039309 B CN108039309 B CN 108039309B
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- CN
- China
- Prior art keywords
- linkage rod
- tripping
- fixed frame
- rotating shaft
- base
- 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.)
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Classifications
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- 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 mechanism of an electric leakage breaker, which comprises a breaker body, wherein the breaker body comprises an outer frame, an actuating mechanism and a testing mechanism, wherein the actuating mechanism and the testing mechanism are arranged in the outer frame, the outer frame comprises a base and an upper cover, the actuating mechanism comprises a fixed frame fixed on the base, a tripping mechanism, a reset mechanism and a rotating shaft, the tripping mechanism is arranged in the fixed frame, the tripping mechanism comprises a transmission unit and a tripping buckle, the transmission unit is in linkage with a handle, one end of the tripping buckle is rotationally connected in the fixed frame, the reset mechanism comprises a reset plate and a lock catch, the reset plate is provided with a reset plate torsion spring, one end of the reset plate torsion spring sequentially penetrates through the rotating shaft and the reset plate, the lock catch is provided with a lock catch torsion spring, one end of the lock catch torsion spring is clamped at one end of the lock catch, and the other end of the lock catch is in butt joint with the reset plate. The invention has reasonable structural design, is more convenient to use, and has high assembly efficiency and higher safety compared with the residual current circuit breaker in the prior art.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a mechanism of an electric leakage circuit breaker.
Background
The earth leakage breaker is a switching device capable of closing, carrying and opening a current under normal circuit conditions and capable of closing, carrying and opening a current under abnormal circuit conditions for a prescribed time. The electric leakage circuit breaker in the prior art generally comprises an outer frame, an electric leakage detection part, an actuating mechanism and a testing mechanism, wherein the electric leakage detection part, the actuating mechanism and the testing mechanism are arranged in the outer frame, the actuating mechanism generally comprises a tripping mechanism and a resetting mechanism, the main effect of the actuating mechanism is that the electric leakage circuit breaker can play a role in resetting even if power is cut off and after the power is cut off when the current in a circuit is abnormal, and the testing mechanism is used for testing whether the electric leakage circuit breaker can work normally or not.
The signal transmission source of the existing leakage detection part is an electromagnet device, an iron core on the electromagnet device is in transmission connection with a tripping mechanism, and the tripping mechanism is in linkage fit with a control handle through the transmission of the iron core to form the circuit breaking of the circuit breaker during leakage. The tripping mechanism in the existing leakage circuit breaker mostly comprises too many parts, is inconvenient to install and disassemble, and is easy to cause the phenomenon of sliding buckle, so that the circuit breaker cannot be opened in time when in leakage;
meanwhile, the electromagnet device of the leakage breaker generally consists of two yokes, an electromagnetic coil, an iron core and a reaction spring. The two magnetic yokes are fixed by the two combined screws, and the two combined screws are required to be installed on the breaker body, so that the release is complex to assemble and install, and labor and time are wasted.
Disclosure of Invention
The invention aims to solve the problems, and provides a mechanism of the leakage circuit breaker, which has the advantages of reasonable structural design, more convenient use, high assembly efficiency and higher safety.
The invention adopts the following technical scheme:
the utility model provides a mechanism of electric leakage circuit breaker, includes the circuit breaker body, the circuit breaker body includes the frame, sets up in the inside actuating mechanism of frame and accredited testing organization, the frame includes base and upper cover that are in the same place of mutual joint, actuating mechanism is including being fixed in fixed bolster on the base, setting up tripping device, canceling release mechanical system and the pivot that can pivoted set up in the inside one side of base in fixed bolster, tripping device includes drive unit and the jump buckle with the handle linkage, the one end rotation of jump buckle is connected in fixed bolster, the other end of jump buckle is equipped with first buckling portion, canceling release mechanical system includes canceling release mechanical system and hasp, the canceling release mechanical system includes first connecting portion, canceling release mechanical system and first butt joint portion, first connecting portion rotate and connect in fixed bolster, still be equipped with a canceling release mechanical system torsional spring on the first connecting portion, the one end of canceling release mechanical system torsional spring runs through in proper order in pivot and canceling release mechanical system, second connecting portion and second butt joint portion, second buckling portion and first buckling portion rotate and connect in fixed bolster in first connecting portion, second buckling portion rotates in first connecting portion.
As a preferable technical scheme of the invention, the actuating mechanism further comprises a stationary point mechanism fixed in the base and close to one end of the rotating shaft, and a magnetic ring arranged in the base and far away from one side of the stationary point mechanism, wherein two silver points corresponding to the magnetic ring are arranged on the stationary point mechanism in parallel, a movable point mechanism is arranged on one side, close to the stationary point mechanism, in the rotating shaft, and movable contacts corresponding to the silver points are arranged on the movable point mechanism.
As a preferable technical scheme of the invention, the stationary point mechanism comprises two parallel connection fixing seats and two stationary contacts corresponding to the connection fixing seats, and the two silver points are respectively arranged on the two stationary contacts.
As a preferable technical scheme of the invention, the movable point mechanism comprises a test contact support and an N-pole contact support, wherein the N-pole contact support is provided with a movable contact, and the movable contact is fixed on one side of the movable contact, which is close to a silver point.
As a preferable technical scheme of the invention, a transmission part is arranged on one side, close to a transmission unit, of the jump buckle, the transmission unit comprises an upper linkage rod, a middle linkage rod, a lower linkage rod and a cam, one end of the upper linkage rod is linked with a handle, the other end of the upper linkage rod is respectively linked with one end of the middle linkage rod and one end of the lower linkage rod, the other end of the lower linkage rod is linked with a rotating shaft, the other end of the middle linkage rod is linked with one end of a cam, the other end of the cam is rotatably connected in a fixed frame, and one end of the cam, which is linked with the middle linkage rod, is abutted on the transmission part.
As a preferred technical scheme of the invention, the actuating mechanism further comprises a contact indicator, the contact indicator comprises a third clamping part, a third connecting part and an indicating part, the third clamping part is clamped on the rotating shaft, the third connecting part is rotatably connected in the fixed frame, the indicating part extends to a position close to the inner side wall of the upper cover, and an observation through hole is formed in the position, corresponding to the indicating part, of the upper cover.
As a preferable technical scheme of the invention, one side of the base far away from the upper cover is provided with an installation clamping seat, and the installation clamping seat is provided with an installation hole.
The beneficial effects of the invention are as follows:
1. compared with the prior art that the electric leakage circuit breaker is reset by adopting a large spring only, the reset mechanism provided by the invention has the advantages that the reset effect is quicker and more stable, the use effect and the use safety of the electric leakage circuit breaker are improved, and meanwhile, the assembly efficiency of the execution mechanism is higher;
2. the contact indicator and the observation through hole arranged on the upper cover can enable a user to observe different changes of the indication part through the observation through hole, so that the use state of the contact indicator is more intuitively perceived, and the use effect of the contact indicator is improved.
Drawings
Fig. 1 is a schematic perspective view of a mechanism of an earth leakage breaker according to the present invention;
FIG. 2 is a right-side view of a mechanism of the leakage breaker according to the present invention;
FIG. 3 is a schematic diagram of an actuator mechanism according to the present invention;
FIG. 4 is a schematic view of the actuator of the present invention with the fixed frame and magnetic ring removed;
FIG. 5 is a schematic perspective view of a reset plate according to the present invention;
FIG. 6 is a schematic perspective view of a latch according to the present invention;
FIG. 7 is a schematic perspective view of a jump button of the present invention;
FIG. 8 is a schematic view of a spindle according to the present invention;
FIG. 9 is a schematic perspective view of a contact indicator of the present invention;
the symbols in the drawings illustrate:
the device comprises a base 1, an upper cover 2, a fixed frame 3, a rotating shaft 4, a handle 5, a jump buckle 6, a first buckling part 7, a reset plate 8, a lock catch 9, a first connecting part 10, a reset part 11, a first abutting part 12, a reset plate torsion spring 13, a second buckling part 14, a second connecting part 15, a second abutting part 16, a lock catch torsion spring 17, a magnetic ring 18, a silver point 19, a movable contact 20, a connection fixing seat 21, a fixed contact 22, a test contact support 23, an N-pole contact support 24, a movable contact 25, a transmission part 26, an upper linkage rod 27, a middle linkage rod 28, a lower linkage rod 29, a cam 30, a contact indicator 31, a third clamping part 32, a third connecting part 33, an indicating part 34, an observation through hole 35, a mounting clamping seat 36 and a mounting hole 37.
Examples
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 9, a mechanism of an electric leakage breaker comprises a breaker body, the breaker body comprises an outer frame, an actuating mechanism and a testing mechanism, wherein the actuating mechanism and the testing mechanism are arranged in the outer frame, the outer frame comprises a base 1 and an upper cover 2 which are mutually clamped together, the actuating mechanism comprises a fixed frame 3 fixed on the base 1, a tripping mechanism arranged in the fixed frame 3, a reset mechanism and a rotating shaft 4 which can be rotationally arranged at one side in the base 1, the tripping mechanism comprises a transmission unit and a tripping buckle 6 which are in linkage with a handle 5, one end of the tripping buckle 6 is rotationally connected in the fixed frame 3, the other end of the tripping buckle 6 is provided with a first buckling part 7, the reset mechanism comprises a reset plate 8 and a buckle 9, the reset plate 8 comprises a first connecting part 10, a reset part 11 and a first abutting part 12, the first connecting part 10 is rotationally connected in the fixed frame 3, one end of the reset plate torsional spring 13 sequentially penetrates through the buckle 4 and the buckle part 4, the reset part 11 and the second buckling part 14 is connected with the first abutting part 14, the second buckling part 15 is connected with the first end of the first connecting part 15, and the second buckling part is connected with the second buckling part 15, and the first abutting part is connected with the first end of the first connecting part 15, and the second buckling part is connected with the second end of the first connecting part 15 and the first abutting part is connected with the second connecting part 15, and the first abutting part is connected with the first connecting part 15;
the actuating mechanism further comprises a stationary point mechanism fixed in the base 1 and close to one end of the rotating shaft 4, and a magnetic ring 18 arranged in the base 1 and far away from one side of the stationary point mechanism, wherein two silver points 19 corresponding to the magnetic ring 18 are arranged on the stationary point mechanism in parallel, a movable point mechanism is arranged on one side of the rotating shaft 4 close to the stationary point mechanism, and a movable contact 20 corresponding to one of the silver points 19 is arranged on the movable point mechanism;
the stationary point mechanism comprises two connecting fixing seats 21 which are arranged in parallel and two stationary contacts 22 which correspond to the connecting fixing seats 21, and the two silver points 19 are respectively arranged on the two stationary contacts 22;
the movable point mechanism comprises a test contact support 23 and an N-pole contact support 24, a movable contact 25 is arranged on the N-pole contact support 24, and the movable contact 20 is fixed on one side, close to the silver point 19, of the movable contact 25;
the jump button 6 is provided with a transmission part 26 at one side close to a transmission unit, the transmission unit comprises an upper linkage rod 27, a middle linkage rod 28, a lower linkage rod 29 and a cam 30, one end of the upper linkage rod 27 is linked with the handle 5, the other end of the upper linkage rod 27 is respectively linked with one end of the middle linkage rod 28 and one end of the lower linkage rod 29, the other end of the lower linkage rod 29 is linked with the rotating shaft 4, the other end of the middle linkage rod 28 is linked with one end of the cam 30, the other end of the cam 30 is rotatably connected in the fixed frame 3, and one end of the cam 30 linked with the middle linkage rod 28 is abutted on the transmission part 26;
the actuating mechanism further comprises a contact indicator 31, the contact indicator 31 comprises a third clamping part 32, a third connecting part 33 and an indicating part 34, the third clamping part 3 is in linkage clamping connection with the rotating shaft 4, the third connecting part 33 is rotatably connected in the fixed frame 3, the indicating part 34 extends to a position close to the inner side wall of the upper cover 2, and an observing through hole 35 which is convenient for observing the indicating part 34 is formed in the position, corresponding to the indicating part 34, of the upper cover 2; in this embodiment, the upper and lower parts of the indication part 34 are respectively provided with different marks (for example, different colors are sprayed), so that when the rotating shaft 4 rotates, the contact indicator 31 is driven to be linked together, so that a user can observe different changes of the indication part 34 through the observation through hole 35, thereby more intuitively sensing the use state of the invention and improving the use effect of the invention;
the side of the base 1 far away from the upper cover 2 is provided with a mounting clamping seat 36 which is convenient for the fixed mounting of the invention, and the mounting clamping seat 36 is provided with a mounting hole 37.
It should be noted that the components in the "rotationally connected to the fixed frame" are all rotationally connected to the fixed frame through shaft pins.
The use principle of the invention is briefly described as follows:
when the circuit breaks down in use, after the current in the circuit breaker body changes, the magnetic ring 18 generates magnetic force and acts on the silver point 19, the silver point 19 generates strong attractive force under the action of the magnetic force, the movable contact 20 is attracted to drive the movable point mechanism to move downwards, meanwhile, the movable point mechanism drives the rotating shaft 4 to rotate downwards, and at the moment, the rotating shaft 4 drives the tripping mechanism, the reset mechanism and the contact indicator 31 at the same time, so that automatic tripping and outage are completed.
Finally, it should be noted that: these embodiments are merely for illustrating the present invention and do not limit the scope of the present invention. Further, various other changes and modifications will be apparent to those skilled in the art from the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (7)
1. The utility model provides a mechanism of electric leakage circuit breaker, includes the circuit breaker body, the circuit breaker body includes the frame, sets up in the inside actuating mechanism and the testing mechanism of frame, its characterized in that: the outer frame comprises a base (1) and an upper cover (2) which are clamped together, the actuating mechanism comprises a fixed frame (3) fixed on the base (1), a tripping mechanism, a resetting mechanism and a rotating shaft (4) which can be arranged on one side of the inside of the base (1) and is arranged in the fixed frame (3), the tripping mechanism comprises a transmission unit linked with a handle (5) and a tripping buckle (6), one end of the tripping buckle (6) is rotationally connected in the fixed frame (3), the other end of the tripping buckle (6) is provided with a first buckling part (7), the resetting mechanism comprises a resetting plate (8) and a locking buckle (9), the resetting plate (8) comprises a first connecting part (10), a resetting part (11) and a first abutting part (12), the first connecting part (10) is rotationally connected in the fixed frame (3), one end of the resetting plate torsion spring (13) sequentially penetrates through the locking buckle (4) and the resetting part (11) and comprises a second buckling part (14) and a first buckling part (14) and a second buckling part (14) which are connected with each other, the second connecting part (15) is rotationally connected in the fixed frame (3), one side of the second connecting part (15) is provided with a lock catch torsion spring (17), one end of the lock catch torsion spring (17) is clamped on the second buckling part (14), and the second abutting part (16) abuts on the first abutting part (12).
2. The mechanism of an earth leakage breaker according to claim 1, wherein: the actuating mechanism further comprises a stationary point mechanism fixed inside the base (1) and close to one end of the rotating shaft (4), and a magnetic ring (18) arranged inside the base (1) and far away from one side of the stationary point mechanism, two silver points (19) corresponding to the magnetic ring (18) are arranged on the stationary point mechanism in parallel, a movable point mechanism is arranged on one side, close to the stationary point mechanism, inside the rotating shaft (4), and movable contacts (20) corresponding to the silver points (19) are arranged on the movable point mechanism.
3. The mechanism of an earth leakage breaker according to claim 2, wherein: the dead point mechanism comprises two connecting fixing seats (21) which are arranged in parallel and two dead contacts (22) which correspond to the connecting fixing seats (21), and the two silver points (19) are respectively arranged on the two dead contacts (22).
4. The mechanism of an earth leakage breaker according to claim 2, wherein: the movable point mechanism comprises a test contact support (23) and an N-pole contact support (24), a movable contact (25) is arranged on the N-pole contact support (24), and the movable contact (20) is fixed on one side, close to the silver point (19), of the movable contact (25).
5. The mechanism of an earth leakage breaker according to claim 1, wherein: one side of the jump buckle (6) close to a transmission unit is provided with a transmission part (26), the transmission unit comprises an upper linkage rod (27), a middle linkage rod (28), a lower linkage rod (29) and a cam (30), one end of the upper linkage rod (27) is in linkage with a handle (5), the other end of the upper linkage rod (27) is in linkage with one end of the middle linkage rod (28) and one end of the lower linkage rod (29) respectively, the other end of the lower linkage rod (29) is in linkage with a rotating shaft (4), the other end of the middle linkage rod (28) is in linkage with one end of the cam (30), the other end of the cam (30) is rotationally connected in a fixed frame (3), and one end of the cam (30) and the middle linkage rod (28) is in butt joint with the transmission part (26).
6. The mechanism of an earth leakage breaker according to claim 1, wherein: the actuating mechanism further comprises a contact indicator (31), the contact indicator (31) comprises a third clamping part (32), a third connecting part (33) and an indicating part (34), the third clamping part (32) is clamped on the rotating shaft (4), the third connecting part (33) is rotationally connected in the fixed frame (3), the indicating part (34) extends to a position close to the inner side wall of the upper cover (2), and an observation through hole (35) is formed in the upper cover (2) at a position corresponding to the indicating part (34).
7. The mechanism of an earth leakage breaker according to claim 1, wherein: one side of the base (1) far away from the upper cover (2) is provided with an installation clamping seat (36), and the installation clamping seat (36) is provided with an installation 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 CN108039309A (en) | 2018-05-15 |
| CN108039309B true CN108039309B (en) | 2023-09-19 |
Family
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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 |
|---|---|
| CN108039309A (en) | 2018-05-15 |
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