CN109979787B - Electric leakage breaker indicating device and electric leakage breaker - Google Patents
Electric leakage breaker indicating device and electric leakage breaker Download PDFInfo
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- CN109979787B CN109979787B CN201910394289.2A CN201910394289A CN109979787B CN 109979787 B CN109979787 B CN 109979787B CN 201910394289 A CN201910394289 A CN 201910394289A CN 109979787 B CN109979787 B CN 109979787B
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000009471 action Effects 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 12
- 230000008901 benefit Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
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
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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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/121—Protection of release mechanisms
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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
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/505—Latching devices between operating and release mechanism
-
- 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
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
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- Breakers (AREA)
Abstract
The invention provides an electric leakage breaker indicating device and an electric leakage breaker, wherein the electric leakage breaker indicating device comprises: a reset button movably mounted on the housing and having an initial position inside the housing and an action position extending from the top of the housing when leakage occurs; the connecting piece is respectively connected with the reset button and the operating mechanism, and when the connecting piece is in an action position, the reset button drives the connecting piece to drive the operating mechanism to switch off; a first biasing member connected to the reset button for applying a biasing force to the reset button toward the actuated position; and the locking assembly locks the reset button when the reset button is positioned at the initial position, and is separated from locking the reset button when electric leakage occurs, and the reset button is driven to act by the first biasing piece. The brake separating action of the operating mechanism is directly driven by the reset button, compared with the scheme that the operating mechanism is required to be separated by the tripping actuating piece in the prior art, the brake separating mechanism is simpler in structure, rapid and convenient to assemble and low in production cost.
Description
Technical Field
The invention relates to the technical field of electric leakage circuit breakers, in particular to an electric leakage circuit breaker indicating device and an electric leakage circuit breaker.
Background
The leakage circuit breaker is an electrical safety device which can rapidly cut off a power supply when electric leakage occurs so as to prevent electric shock accidents, and an indicating device for reminding people of the occurrence of electric leakage is usually arranged in the leakage circuit breaker.
The chinese patent document CN205122518U discloses a tripping device for a circuit breaker, as shown in fig. 11, including a reset button 01, a leakage coil assembly 02 and a tripping actuating member 03, wherein a reset spring 011 is installed in the reset button 01, the leakage coil assembly 02 includes a leakage coil 021, a movable iron core 022 and a return spring 023, the tripping actuating member 03 is rotatably installed on a housing 04, and is composed of a first swing link 031 and a second swing link 032, the top end of the first swing link 031 is provided with an opening slot in driving fit with a connecting rod at the end of the movable iron core 022, the inner side end of the first swing link 031 is provided with a tripping slot in matching with the reset button 01, and the end of the second swing link 032 is provided with a driving block 033 extending from an arc hole 041 of the housing 04 in driving fit with a lock catch 051 of a circuit breaker operating mechanism 05, wherein, as shown in fig. 12, the operating mechanism 05 includes a handle, a push rod, a jump catch 052, a lock catch 051, a contact support 053 and a movable contact 054, and a connecting shaft 055 in matching with the driving block 033.
When no leakage occurs, the tripping groove clamps a tripping clamping block of the reset button 01, and the reset button 01 is positioned in the shell 04; when an electric leakage fault occurs, an electric leakage coil 021 passes through current, electromagnetic acting force is generated to drive a movable iron core 022 to act, the movable iron core 022 overcomes the acting force of a return spring 023 and pulls a tripping actuating piece 03 to rotate, a tripping groove of a first swing rod 031 is separated from a tripping clamping block, a reset button 01 is ejected from the top of a shell 04 under the action of the return spring 011 to remind people of electric leakage, when the tripping actuating piece 03 rotates, a driving block 033 of a second swing rod 032 drives a connecting shaft 055 to unlock a lock catch 051 and a tripping buckle 052, a contact support 053 drives a movable contact 054 to be separated from a fixed contact under the action of a spring, and therefore switching-off is realized, and an operating mechanism cannot realize switching-on at the moment due to the blocking action of the driving block 033 of the second swing rod 032 and the lock catch 051; after the electric leakage fault is processed, the movable iron core 022 pushes the first swing rod 031 to rotate under the action of the return spring 023, the reset button 01 is pressed, the tripping fixture block can reenter the tripping groove, and at the moment, the blocking of the lock catch 051 is removed by the driving block 033 of the second swing rod 032, and the operating mechanism 05 can realize closing. The trip device is characterized in that the movable iron core 022 drives the trip actuating piece 03 to act, and then the trip actuating piece 03 drives the lock catch 051 or limits the lock catch 051 to act, so that the functions of opening and closing are realized, the structure of the trip device is complex, the assembly process is complex, and the production cost is greatly increased.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of complex structure, complex assembly process and high production cost of the tripping device in the prior art, thereby providing the leakage breaker indicating device with simple structure, quick and convenient assembly and low production cost and the leakage breaker with the leakage breaker indicating device.
To this end, the present invention provides an earth leakage breaker indicating device comprising:
a reset button movably mounted on the housing and having an initial position inside the housing and an action position extending from the top of the housing when leakage occurs;
the connecting piece is respectively connected with the reset button and the operating mechanism, and when the connecting piece is in the action position, the reset button drives the connecting piece to drive the operating mechanism to switch off;
a first biasing member coupled to the reset button for applying a biasing force to the reset button toward the actuated position;
and the locking assembly is used for locking the reset button when the reset button is positioned at the initial position, and is separated from locking the reset button when electric leakage occurs, and the reset button is driven to act by the first biasing piece.
As a preferable scheme, the reset button is provided with an installation space connected with the connecting piece, and when the reset button is positioned at the initial position, one end of the connecting piece extending into the installation space can move in the installation space.
As a preferable scheme, the reset button is provided with a mounting groove, the mounting groove is opposite to the strip hole formed in the side plate of the shell, the mounting space is formed in the mounting groove, the connecting piece penetrates through the strip hole, and the two ends of the connecting piece are respectively connected with the lock catch of the operating mechanism and the mounting groove.
As a preferred aspect, the locking assembly includes,
the first locking piece is arranged on the reset button;
the second locking piece is driven by the electric leakage driving assembly to move towards or away from the first locking piece so as to be connected with or disconnected from the first locking piece.
As a preferable scheme, the first locking piece is a stop block arranged on the reset button, and the second locking piece is a movable iron core matched with the stop block.
As a preferred aspect, the locking assembly includes,
the first locking piece is arranged on the reset button;
the second locking piece is connected with the electric leakage driving assembly and is driven by the electric leakage driving assembly to act;
and one end of the lock rod is connected with the second locking piece, and the other end of the lock rod is driven by the second locking piece to move towards or away from the first locking piece so as to be connected with or disconnected from the first locking piece.
As a preferable scheme, the first locking piece is a stop block arranged on the reset button, the second locking piece is a movable iron core matched with the stop block, one end of the lock rod is rotatably arranged on the shell through a rotating shaft, locking teeth matched with the stop block are formed at the other end of the lock rod, an open slot is formed in the middle of the lock rod, a connecting rod at the end of the movable iron core penetrates through the open slot, and a first driving part and a second driving part which are respectively matched and driven with two side surfaces of the lock rod are arranged at two ends of the connecting rod.
As a preferred aspect, the leakage driving assembly includes:
the electric leakage coil is provided with a through hole which is communicated with the middle part, the second locking piece is penetrated at the through hole, and when electric leakage occurs, the electric leakage coil generates electromagnetic driving force and drives the second locking piece to move away from the first locking piece;
and one end of the second biasing member is propped against the second locking member, and the other end of the second biasing member is propped against the shell to provide biasing force for the second locking member to move towards the first locking member.
As a preferable scheme, the first biasing member is a pressure spring, one end of the pressure spring abuts against the shell, the other end abuts against the reset button, and a plurality of clamping blocks matched and clamped with the pressure spring are formed on the shell.
An earth leakage breaker comprising an earth leakage breaker indicating device as described above.
The technical scheme of the invention has the following advantages:
1. the electric leakage circuit breaker indicating device comprises the reset button, the first biasing element and the locking component, wherein the connecting component is respectively connected with the reset button and the operating mechanism, when electric leakage occurs, the locking component is separated from locking of the reset button, the reset button is driven by the first biasing element to act and drive the connecting component to drive the operating mechanism to switch off, namely, the switching-off action of the operating mechanism is directly realized by the reset button.
2. According to the leakage breaker indicating device provided by the invention, the installation space for connecting the connecting piece is formed in the reset button, and when the reset button is positioned at the initial position, one end of the connecting piece extending into the installation space can move in the installation space, so that the opening and closing of the operating mechanism are allowed; when the reset button is positioned at the action position, the operating mechanism is switched off, and because the reset button has a blocking effect on the connecting piece, the operating mechanism cannot realize switching on, and an operator can drive the reset button to move to the initial position manually after the electric leakage fault is eliminated, so that the operating mechanism can be driven to switch on, and the safety performance is higher.
3. According to the residual current circuit breaker indicating device provided by the invention, the reset button is provided with the mounting groove, the mounting groove is opposite to the strip hole formed in the side plate of the shell, the mounting groove is provided with the mounting space, the connecting piece penetrates through the strip hole, the two ends of the connecting piece are respectively connected with the lock catch of the operating mechanism and the mounting groove, and when the reset button is in the action position, the bottom wall of the mounting groove is contacted with the connecting piece and drives the operating mechanism to break the brake through the connecting piece, so that the mounting groove has the advantage of simple structure.
4. The invention provides an indication device of an electric leakage circuit breaker, a locking assembly comprises: the first locking piece is arranged on the reset button; the second locking piece is driven by the electric leakage driving assembly to move towards or away from the first locking piece so as to be connected with or disconnected from the first locking piece, wherein the first locking piece is a stop block arranged on the reset button, the second locking piece is a movable iron core matched with the stop block, and the movable iron core and the stop block which are matched with each other have the advantages of simple structure and low production cost.
5. The invention provides an electric leakage circuit breaker indicating device, wherein a first locking piece is a stop block arranged on a reset button, a second locking piece is a movable iron core matched with the stop block, one end of a lock rod is rotatably arranged on a shell through a rotating shaft, the other end of the lock rod is provided with a locking tooth matched with the stop block, the middle part of the lock rod is provided with an open slot, a connecting rod at the end part of the movable iron core penetrates through the open slot, and two ends of the connecting rod are provided with a first driving part and a second driving part which are respectively matched with and driven by two side surfaces of the lock rod. Because only the driving force in the horizontal direction exists between the first driving part and the second driving part at the two ends of the movable iron core connecting rod and the lock rod, the lock rod rotates to be connected with or disconnected from the stop block of the reset button, so that the movable iron core is directly matched with the stop block of the reset button, and the reset button has a vertical upward propping force on the movable iron core under the action of the first biasing member, so that the movable iron core is easy to wear.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of an earth leakage breaker of the present invention;
fig. 2 is a perspective view of the residual current circuit breaker of fig. 1 with a portion of the casing removed;
fig. 3 is a schematic structural view of an electrical leakage breaker indicating device according to a first embodiment;
FIG. 4 is an exploded view of the electrical leakage breaker indicating device of FIG. 3;
FIG. 5 is a schematic view illustrating the electrical leakage breaker indicating device of FIG. 4 rotated by a certain angle;
fig. 6 is a schematic structural view of the leakage breaker indicating device when no leakage occurs;
fig. 7 is a schematic view of the structure of the leakage breaker indicating device in the event of leakage;
fig. 8 is a schematic structural view of an electrical leakage breaker indicating device according to a second embodiment;
FIG. 9 is an exploded view of the plunger and the locking rod;
FIG. 10 is a cross-sectional view of the leakage driving assembly;
fig. 11 is a schematic structural view of a tripping device of a circuit breaker in the prior art;
fig. 12 is a schematic structural view of a circuit breaker operating mechanism in the prior art.
Reference numerals illustrate: 01. a reset button; 011. a return spring; 02. a leakage coil assembly; 021. a leakage coil; 022. a movable iron core; 023. a return spring; 03. a trip actuating member; 031. a first swing rod; 032. the second swing rod; 033. a driving block; 04. a housing; 041. an arc-shaped hole; 05. an operating mechanism; 051. locking; 052. jumping buckle; 053. a contact holder; 054. a moving contact; 055. a connecting shaft;
1. a housing; 11. a slit hole; 12. a clamping block; 2. a reset button; 20. a first biasing member; 21. a mounting groove; 22. a bottom wall; 23. a stop block; 3. an operating mechanism; 31. a connecting shaft; 4. a leakage coil; 41. a through hole; 42. a second biasing member; 43. a movable iron core; 44. a connecting rod; 45. a first driving section; 46. a second driving section; 5. a lock lever; 50. a rotating shaft; 51. locking teeth; 52. an open slot.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Examples
The present embodiment provides an electrical leakage breaker, as shown in fig. 1 and 2, including an electrical leakage breaker body, an electrical leakage breaker indicating device assembled and connected with the electrical leakage breaker body, wherein an operating mechanism 3 for opening and closing is provided on the electrical leakage breaker body, as shown in fig. 3-7, the electrical leakage breaker indicating device includes a reset button 2, a connecting piece, a first biasing member 20 and a locking assembly.
The reset button 2 is movably arranged on the shell 1 and is provided with an initial position positioned in the shell 1 and an action position extending out of the top of the shell 1 during electric leakage, the reset button 2 is provided with an installation space for connecting the connecting piece, and when the reset button 2 is positioned in the initial position, one end of the connecting piece extending into the installation space can move in the installation space. In this embodiment, the reset button 2 is provided with a mounting groove 21, the mounting groove 21 is opposite to the elongated hole 11 formed in the side plate of the housing 1, the mounting groove 21 is internally provided with a mounting space, the connecting piece passes through the elongated hole 11, and two ends of the connecting piece are respectively connected with the lock catch of the operating mechanism 3 and the mounting groove 21.
The connecting piece is respectively connected with the reset button 2 and the operating mechanism 3, and when the operating position is reached, the reset button 2 drives the connecting piece to drive the operating mechanism to open the brake, and in the embodiment, the connecting piece is a connecting shaft 31 inserted on the locking buckle of the operating mechanism 3.
The first biasing member 20 is connected to the reset button 2, and applies a biasing force to the reset button 2, the biasing force being moved toward the operating position, the first biasing member 20 being a pressure spring, one end of the pressure spring being abutted against the housing 1, the other end being abutted against the reset button 2, and a plurality of clamping blocks 12 being engaged with the pressure spring being formed on the housing 1.
The locking assembly comprises a first locking piece, a second locking piece and a leakage driving assembly, the locking assembly locks the reset button 2 when the reset button 2 is located at the initial position, the reset button 2 is separated from locking the reset button 2 when in leakage, and the reset button 2 is driven by the first biasing piece 20 to act.
A first locking piece arranged on the reset button 2; the second locking piece is driven by the electric leakage driving assembly to move towards or away from the first locking piece so as to be connected with or disconnected from the first locking piece. In this embodiment, the first locking member is a stopper 23 disposed on a side wall of the reset button 2, and the second locking member is a movable iron core 43 that is matched with the stopper 23.
As shown in fig. 10, the leakage driving assembly includes: the leakage coil 4 is provided with a through hole 41 communicated with the middle, the second locking piece is penetrated at the through hole 41, and when in leakage, the leakage coil 4 generates electromagnetic driving force to drive the second locking piece to move away from the first locking piece; a second biasing member 42 having one end abutting against the second locking member and the other end abutting against the housing 1, and providing the second locking member with a biasing force moving toward the first locking member.
As a modified embodiment, as shown in fig. 8 and 9, the lock assembly includes a first lock member, a second lock member, a lock lever 5, and the leakage driving assembly. A first locking piece arranged on the reset button 2; the second locking piece is connected with the electric leakage driving assembly and is driven by the electric leakage driving assembly to act; and one end of the lock rod 5 is connected with the second locking piece, and the other end of the lock rod is driven by the second locking piece to move towards or away from the first locking piece so as to be connected with or disconnected from the first locking piece. The first locking piece is a stop block 23 arranged on the reset button 2, the second locking piece is a movable iron core 43 matched with the stop block 23, one end of the lock rod 5 is rotatably arranged on the shell 1 through a rotating shaft 50, the other end of the lock rod 5 is provided with a lock tooth 51 matched with the stop block 23, the middle part of the lock rod 5 is provided with an open slot 52, a connecting rod 44 at the end part of the movable iron core 43 penetrates through the open slot 52, and two ends of the connecting rod 44 are respectively provided with a first driving part 45 and a second driving part 46 matched and driven with two side surfaces of the lock rod 5.
In the leakage breaker indicating device of the embodiment, when electric leakage occurs, the locking component breaks away from the locking of the reset button 2, the reset button 2 is driven to move by the first biasing member 20, and the connecting piece is driven to drive the operating mechanism 3 to switch off, namely, the switching-off of the operating mechanism 3 is directly realized by the reset button 2.
The operating principle of the leakage breaker indicating device of the invention is as follows:
when no leakage occurs:
as shown in fig. 3 and 6, the movable iron core 43 is locked by the second biasing member 42 cooperating with the stopper 23 of the reset button 2, the reset button 2 is located inside the housing 1, and the connecting member extends into the mounting groove 21 of the reset button 2 and is movable in the mounting groove 21.
When the electric leakage happens:
as shown in fig. 7, when the leakage coil 4 is supplied with current, an electromagnetic force is generated to drive the movable iron core 43 to move in a direction away from the reset button 2, so that the lock of the stopper 23 of the reset button 2 is released, the reset button 2 extends out from the top of the housing 1 under the action of the first biasing member 20, and at this time, the bottom wall 22 of the mounting groove 21 of the reset button 2 contacts with the connecting member and drives the connecting member to drive the operating mechanism 3 to perform the opening operation. When the leakage fault is eliminated, the reset button 2 is manually driven to move to the initial position, and the movable iron core 43 is locked with the stop block 23 of the reset button 2.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (8)
1. An electric leakage circuit breaker indicating device, its characterized in that: comprising the following steps:
a reset button (2) movably mounted on the housing (1) and having an initial position inside the housing (1) and an operating position protruding from the top of the housing (1) when electric leakage occurs;
the connecting piece is respectively connected with the reset button (2) and the operating mechanism (3), and when the connecting piece is in the action position, the reset button (2) drives the connecting piece to drive the operating mechanism to open the brake;
a first biasing member (20) connected to the reset button (2) for applying a biasing force to the reset button (2) toward the operation position;
a locking component for locking the reset button (2) when the reset button (2) is positioned at the initial position, and releasing the locking of the reset button (2) when the reset button (2) is leaked, wherein the reset button (2) is driven by the first biasing member (20);
the reset button (2) is provided with an installation space connected with the connecting piece, and when the reset button (2) is positioned at the initial position, one end of the connecting piece extending into the installation space can move in the installation space;
the reset button (2) is provided with a mounting groove (21), the mounting groove (21) is opposite to a strip hole (11) formed in the side plate of the shell (1), the mounting groove (21) is internally provided with a mounting space, the connecting piece penetrates through the strip hole (11), and two ends of the connecting piece are respectively connected with a lock catch of the operating mechanism (3) and the mounting groove (21).
2. The leakage breaker indicating device according to claim 1, wherein: the locking assembly may comprise a locking assembly that comprises,
the first locking piece is arranged on the reset button (2);
the second locking piece is driven by the electric leakage driving assembly to move towards or away from the first locking piece so as to be connected with or disconnected from the first locking piece.
3. The leakage breaker indicating device according to claim 2, wherein: the first locking piece is a stop block (23) arranged on the reset button (2), and the second locking piece is a movable iron core (43) matched with the stop block (23).
4. The leakage breaker indicating device according to claim 1, wherein: the locking assembly may comprise a locking assembly that comprises,
the first locking piece is arranged on the reset button (2);
the second locking piece is connected with the electric leakage driving assembly and is driven by the electric leakage driving assembly to act;
and one end of the lock rod (5) is connected with the second locking piece, and the other end of the lock rod is driven by the second locking piece to move towards or away from the first locking piece so as to be connected with or disconnected from the first locking piece.
5. The leakage breaker indicating device according to claim 4, wherein: the first locking piece is a stop block (23) arranged on the reset button (2), the second locking piece is a movable iron core (43) matched with the stop block (23), one end of the lock rod (5) is rotatably arranged on the shell (1) through a rotating shaft (50), locking teeth (51) matched with the stop block (23) are formed at the other end of the lock rod, an open slot (52) is formed in the middle of the lock rod (5), a connecting rod (44) at the end part of the movable iron core (43) penetrates through the open slot (52), and a first driving part (45) and a second driving part (46) which are respectively matched with and driven by two side surfaces of the lock rod (5) are arranged at two ends of the connecting rod (44).
6. The electrical leakage breaker indicating device according to any one of claims 2-5, wherein: the leakage driving assembly includes:
the electric leakage coil (4) is provided with a through hole (41) communicated with the electric leakage coil, the second locking piece is penetrated at the through hole (41), and when electric leakage occurs, the electric leakage coil (4) generates electromagnetic driving force to drive the second locking piece to move away from the first locking piece;
and a second biasing member (42) having one end abutting against the second locking member and the other end abutting against the housing (1) to provide the second locking member with a biasing force moving toward the first locking member.
7. The leakage breaker indicating device according to claim 1, wherein: the first biasing member (20) is a pressure spring, one end of the pressure spring is propped against the shell (1), the other end of the pressure spring is propped against the reset button (2), and a plurality of clamping blocks (12) which are matched and clamped with the pressure spring are formed on the shell (1).
8. An earth leakage breaker, characterized in that: an electrical leakage breaker indicating device comprising any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394289.2A CN109979787B (en) | 2019-05-13 | 2019-05-13 | Electric leakage breaker indicating device and electric leakage breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394289.2A CN109979787B (en) | 2019-05-13 | 2019-05-13 | Electric leakage breaker indicating device and electric leakage breaker |
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| Publication Number | Publication Date |
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| CN109979787A CN109979787A (en) | 2019-07-05 |
| CN109979787B true CN109979787B (en) | 2023-12-12 |
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| CN201910394289.2A Active CN109979787B (en) | 2019-05-13 | 2019-05-13 | Electric leakage breaker indicating device and electric leakage breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080112092A (en) * | 2007-06-19 | 2008-12-24 | 후지 덴키 기기세이교 가부시끼가이샤 | Wiring circuit breaker having leakage alarm |
| CN201274272Y (en) * | 2008-08-07 | 2009-07-15 | 北京人民电器厂有限公司 | Resetting mechanism for circuit breaker |
| CN104465258A (en) * | 2014-12-02 | 2015-03-25 | 浙江天正电气股份有限公司 | Electric leakage alarm circuit beaker |
| CN205122518U (en) * | 2015-11-20 | 2016-03-30 | 浙江信基电气股份有限公司 | Breaker tripping device |
| CN106653499A (en) * | 2017-03-13 | 2017-05-10 | 新驰电气有限公司 | Release apparatus of residual current operated circuit breaker |
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|---|---|
| CN109979787A (en) | 2019-07-05 |
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