CN206877941U - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN206877941U CN206877941U CN201720522762.7U CN201720522762U CN206877941U CN 206877941 U CN206877941 U CN 206877941U CN 201720522762 U CN201720522762 U CN 201720522762U CN 206877941 U CN206877941 U CN 206877941U
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- breaker
- shunt
- contact
- operating mechanism
- circuit breaker
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Abstract
A kind of miniature circuit breaker, including breaker and shunt release, described shunt release splices in the side of breaker and individually turns into one-level, the operating mechanism being arranged in shunt release is linked by connecting shaft and the operating mechanism being arranged in breaker, the terminals and shunt trip for being used for receiving external control signal are provided with shunt release, described shunt trip is electrically connected with terminals for the instantaneous trip after external signal is received.The utility model by using pin-connected panel miniature circuit breaker; by the magnetictrip protected for magnetic with being respectively placed in not in homopolarity of miniature circuit breaker for the shunt trip of remote control; and it is not provided with electronic circuit board; the instantaneous shunted exciter tripping structure directly electrically connected using terminals with shunt trip, is disturbed shunt release so as to avoid electromagnetism by electronic circuit board.
Description
Technical field
Low Voltage Electrical Apparatus is the utility model is related to, particularly a kind of miniature circuit breaker.
Background technology
The breaker with shunted exciter tripping function of integral type is respectively provided with magnetic protection at present and heat protection function, wherein shunt opening take off
The N that button device is placed in breaker is extremely central and controlled by electronic circuit board, and has certain delayed releasing function, but special
Under environment, the electronic component on electronic circuit board can be by different degrees of electromagnetic interference so that Integral small-sized short-circuiting device
The reliability of delayed releasing is affected.
Utility model content
The defects of the purpose of this utility model is to overcome prior art, there is provided one kind is simple in construction, split is assembled, uses
Reliable miniature circuit breaker.
To achieve the above object, the utility model employs following technical scheme：
A kind of miniature circuit breaker, including breaker 1 and shunt release 2, described shunt release 2 splice in breaker
1 side simultaneously individually turns into one-level, and the operating mechanism 6 being arranged in shunt release 2 is by connecting shaft 4 and is arranged on breaker
Operating mechanism 6 in 1 is linked, and magnetictrip 12, described magnetictrip 12 and breaker are provided with described breaker 1
Operating mechanism 6 in 1 is oppositely arranged for instantaneous trip, is provided with shunt release 2 and is used to receive external control signal
Terminals 24 and shunt trip 23, described shunt trip 23 are electrically connected with terminals 24 for receiving outside letter
Instantaneous trip after number.
Optionally, operating mechanism 6, moving contact 7 and shunt opening static contact are installed in the housing 21 of the shunt release 2
22, the contact that moving contact 7 is arranged on operating mechanism 6 is supported to be oppositely arranged on 64 and with the side of shunt opening static contact 22, described point
The opposite side for encouraging static contact 22 electrically connects with the coil of shunt trip 23, one end of the shunt trip 23 and operation
The lock 63 of mechanism 6 is oppositely arranged, and the other end electrically connects with being arranged on the terminals 24 of the side of housing 21.
Optionally, drive rod 16 is installed, the side of the drive rod 16 is articulated in hand on the handle 5 of the breaker 1
In the rotating shaft 51 of handle 5, opposite side is provided with the first convex tendon 161, the first described convex tendon 161 and the behaviour being arranged in breaker 1
The contact for making mechanism 6 supports the second convex tendon 641 on 64 sides to shift to install.
Optionally, the handle 5 of the breaker 1 can centered on rotating shaft 51 rotation-limited, and drive the He of drive rod 16
The U-shaped lever 61 of operating mechanism 6 moves, and described U-shaped lever 61 is by the tripping 62 of operating mechanism 6 with pneumatic operating mechanism 6
Contact, which supports 64 to rotate, makes the first convex tendon 161 be abutted against with the second convex tendon 641, and moving contact 7 and circuit breaker static contact 13 are in phase
To static.
Optionally, elastic arm 162 being provided with one end of the first convex tendon 161, described elastic arm 162 is extended on handle 5,
And it is provided with groove 642 in one end of the second convex tendon 641.
Optionally, the operating mechanism 6 in the shunt release 2 includes U-shaped lever 61, tripping 62, lock 63, contact branch
64 and lever 65 are held, described lever 65 and contact support that 64 are articulated on the housing 21 of shunt release 2, and lever 65 passes through super
Journey torsion spring supports that 64 are connected with contact, and described lock 63 and tripping 62 are articulated on lever 65 and overlap cooperation, described
Tripping 62 is be hinged by U-shaped lever 61 and handle 5.
Optionally, moving contact 7, binding post 15 and insulation board 17 are installed in the shell 11 of the breaker 1, moves and touches
First 7 contacts for being arranged on operating mechanism 6 support on 64 that described binding post 15 is arranged on the both sides of shell 11, and described is exhausted
Listrium 17 is arranged between moving contact 7 and the binding post 15 of side.
Optionally, the operating mechanism 6 in the breaker 1 includes U-shaped lever 61, tripping 62, lock 63, contact support 64
With lever 65, described lever 65 and contact support that 64 are articulated on the shell 11 of breaker 1, lever 65 by excess of stroke torsion spring with
Contact supports that 64 are connected, and described lock 63 and tripping 62 are articulated on lever 65 and overlap cooperation, and described tripping 62 is logical
It is be hinged with handle 5 to cross U-shaped lever 61.
Optionally, described miniature circuit breaker by the pole shunt release 2 of circuit breaker multiple levels 1 and one successively side by side splicing and
Into described shunt release 2 is located at outermost and is used for shunted exciter tripping and individually turns into a pole, and each breaker 1 and shunt opening take off
Detain device 2 handle 5 it is unified be arranged in taper knob 3, the lock 63 of the operating mechanism 6 in shunt release 2 by connecting shaft 4 with
The operating mechanism 6 of circuit breakers 1 links, and is linked between the operating mechanism 6 of two neighboring breaker 1 also by connecting shaft 4.
Optionally, the distance after the moving contact 7 of the breaker 1 disconnects with static contact 13 is more than the dynamic of shunt release 2
Contact 7 and the distance after the disconnection of shunt opening static contact 22.
Miniature circuit breaker of the present utility model will take off by using the miniature circuit breaker of pin-connected panel for the electromagnetism that magnetic is protected
Button device is respectively placed in not in homopolarity, and be not provided with electric wire of miniature circuit breaker with the shunt trip for remote control
Road plate, the instantaneous shunted exciter tripping structure directly electrically connected using terminals with shunt trip, is passed through so as to avoid electromagnetism
Electronic circuit board is disturbed shunt release, and the breaker after assembly is ensured is capable of synchronization action with shunt release
Simultaneously so that miniature circuit breaker has reliable instantaneous shunted exciter tripping function.
Brief description of the drawings
Fig. 1 is overall structure installation diagram of the present utility model；
Fig. 2 is the structural representation of breaker of the present utility model；
Fig. 3 is the side view of breaker of the present utility model；
Fig. 4 is the partial enlarged drawing that the handle of breaker of the present utility model is supported with contact；
Fig. 5 is the structural representation of shunt release of the present utility model；
Fig. 6 is the structural representation of specific embodiment of the utility model.
Embodiment
Embodiment of the present utility model is provided below in conjunction with accompanying drawing 1 to 6, further illustrates small-sized open circuit of the present utility model
Implement body embodiment.Miniature circuit breaker of the present utility model is not limited to the following description.
As shown in Fig. 1,2 and 5, the miniature circuit breaker in the utility model includes breaker 1 and shunt release 2, described
Shunt release 2 splice in the side of breaker 1 and individually turn into one-level, the operating mechanism 6 being arranged in shunt release 2
Being threaded off by connecting shaft 4 and any one pole of the operating mechanism 6 being arranged in breaker 1 linkage can drive other extremely de-
Detain, be provided with described breaker 1 and be used for the magnetictrip 12 that magnetic is protected, in described magnetictrip 12 and breaker 1
Operating mechanism 6 be oppositely arranged for instantaneous trip, the wiring for being used for receiving external control signal is provided with the shunt release 2
End 24 and shunt trip 23, described shunt trip 23 are electrically connected with terminals 24 for after external signal is received
Instantaneous trip.Preferably, described terminals 24 are connector or wire.The utility model uses the small-sized open circuit of pin-connected panel
Device, the magnetictrip 12 protected for magnetic and the shunt trip 23 for remote control are respectively placed in small-sized open circuit
Not in homopolarity, and be not provided with electronic circuit board of device, the wink directly electrically connected using terminals 24 with shunt trip 23
When shunt opening releasing structure, shunt release 2 is disturbed by electronic circuit board so as to avoid electromagnetism, after assembly is ensured
Breaker 1 and shunt release 2 can synchronization action while so that miniature circuit breaker has reliable instantaneous shunted exciter tripping
Function.
The structure of operating mechanism 6 in breaker 1 and shunt release 2 is essentially identical, including U-shaped lever 61, tripping 62,
Lock 63, contact support 64 and lever 65, and described lever 65 and contact support 64 Hes of shell 11 for being articulated in breaker 1 respectively
On the housing 21 of shunt release 2, lever 65 supports that 64 are connected by excess of stroke torsion spring with contact, and described excess of stroke torsion spring can
There is provided elastic contact force for the closure of dynamic/static contact, described lock 63 and tripping 62 be articulated on lever 65 and overlap cooperation from
And releasably engageable mechanical locking structure is formed, described tripping 62 is be hinged by U-shaped lever 61 and handle 5.
As shown in Fig. 2 it is quiet that operating mechanism 6, handle 5, moving contact 7, breaker are provided with the shell 11 of the breaker 1
Contact 13, arc-chutes 14, binding post 15 and insulation board 17, described handle 5 are arranged on one end of shell 11 by torsion spring 8
And prominent shell 11 is provided for operating, the contact that described moving contact 7 is arranged on operating mechanism 6 is supported on 64, and described is disconnected
Road device static contact 13 is arranged on the lower section of magnetictrip 12 and is oppositely arranged with moving contact 7, and handle 5 is driven by operating mechanism 6
Dynamic moving contact 7 contacts or separated with circuit breaker static contact 13 so as to realize the break-make of circuit, and described magnetictrip 12 is located at
The lower section of handle 5 is simultaneously oppositely arranged for instantaneous trip with the lock 63 of operating mechanism 6, when occurring short-circuit in circuit, electromagnetism
The armature of electrical apparatus release 12 acts in the presence of electromagnetic force and hitting lock 63 makes the unblock of breaker 1 thread off, described arc-chutes
14 lower sections for being arranged on circuit breaker static contact 13 are used for arc extinguishing, and the both sides that described binding post 15 is arranged on shell 11 are used to connect
Line, described insulation board 17, which is arranged between moving contact 7 and the binding post 15 of side, to be used to completely cut off when dynamic/static contact separates to produce
Raw electric arc.
As shown in figure 3, one end of the connecting shaft 4 is arranged on a pole breaker 1 or the lock 63 in shunt release 2
In axis hole 631, the other end is arranged in the axis hole 631 of the lock 63 in the breaker 1 or shunt release 2 of consecutive roots, so as to
So that realize that UNICOM interlocks between multistage breaker 1 or between breaker 1 and shunt release 2.
As shown in figure 4, being provided with drive rod 16 on handle 5 in breaker 1, the side of the drive rod 16 is articulated in
In the rotating shaft 51 of handle 5, opposite side is provided with the first convex tendon 161, and the first described convex tendon 161 is with being arranged in breaker 1
The contact of operating mechanism 6 supports the second convex tendon 641 on 64 sides to shift to install.Specifically, in the making process of breaker 1
In, the rotation-limited centered on rotating shaft 51 of handle 5, while drive drive rod 16 and U-shaped lever 61 to move, described U-shaped lever
61 support 64 to rotate by tripping 62 with moving contact, when drive rod 16 and contact support 64 rotate to certain angle when, first is convex
Muscle 161 abuts against with the second convex tendon 641 so that moving contact 7 and circuit breaker static contact 13 are in geo-stationary, and breaker 1 is in
The energy storage state not turned on；When handle 5 is rotated further to closing position, the first convex tendon 161 is separated with the second convex tendon 641,
So that moving contact 7 is in contact with circuit breaker static contact 13, breaker 1 turns on.Preferably, it is provided with one end of the first convex tendon 161
Elastic arm 162, described elastic arm 162, which is extended on handle 5, to be used to buffer, and is provided with and is used in one end of the second convex tendon 641
In the groove 642 for providing abutting deformation quantity.
Especially, because the distance after the moving contact 7 of breaker 1 disconnects with static contact 13 in the utility model is more than shunt opening
The moving contact 7 of electrical apparatus release 2 and the distance after the disconnection of shunt opening static contact 22, and drive rod 16 only is provided with breaker 1, close a floodgate
When drive rod 16 the first convex tendon 161 support 64 the second convex tendon 641 to abut against the closure that can hinder dynamic/static contact with contact, because
This causes shunt release 2 " first to close and then disconnect " than breaker 1 in use.
As shown in figure 5, handle 5, operating mechanism 6, moving contact 7, shunt opening are installed in the housing 21 of the shunt release 2
Static contact 22, shunt trip 23 and terminals 24, described handle 5 are arranged on one end of housing 21 simultaneously by torsion spring 8
Prominent housing 21 is provided for operating, the contact that described moving contact 7 is arranged on operating mechanism 6 support on 64 and with shunt opening stationary contact
First 22 side is oppositely arranged, and handle 5 can drive moving contact 7 to contact or separate with shunt opening static contact 22 by operating mechanism 6
So as to realize the break-make of circuit, the opposite side of the shunt opening static contact 22 electrically connects with the coil of shunt trip 23, described
The lock 63 of one end of shunt trip 23 and operating mechanism 6 is oppositely arranged for threading off, and the other end is with being arranged on housing 21
The terminals 24 of side electrically connect, when terminals 24 receive external control signal, the coil electricity of shunt trip 23
Conducting, the action of the driving of shunt trip 23 lock 63 unlock operating mechanism 6, moving contact 7 and the moment of shunt opening static contact 22 point
From shunt release 2 is caused, instantaneously unblock is threaded off.
As shown in fig. 6, a specific embodiment of the present utility model, miniature circuit breaker is by the pole of multipole circuit breaker 1 and one
Shunt release 2 is spliced side by side successively, and described shunt release 2 is located at outermost and is used for shunted exciter tripping and individually turns into
One pole, described terminals 24 are located at one end of shunt release 2 and expose the control signal for receiving outside, each open circuit
The handle 5 of device 1 and shunt release 2 is unified to be arranged in taper knob 3, just can make all handles by manipulator's sleeve 3
5 same actions are so as to making breaker 1 and shunt release 2 be switched on or switched off so that the sound of the miniature circuit breaker after assembled is touched
Head is capable of closure or the disconnection of synchronization.The lock 63 of operating mechanism 6 in shunt release 2 passes through connecting shaft 4 and adjacent open circuit
The operating mechanism 6 of device 1 links, and is linked between the operating mechanism 6 of two neighboring breaker 1 also by connecting shaft 4.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of miniature circuit breaker, including breaker (1) and shunt release (2), it is characterised in that：Described shunt release
(2) splicing turns into the side of breaker (1) and individually one-level, and the operating mechanism (6) being arranged in shunt release (2) passes through
Connecting shaft (4) and the operating mechanism (6) being arranged in breaker (1) are linked, and magnetictrip is provided with described breaker (1)
(12), described magnetictrip (12) is oppositely arranged for instantaneous trip with the operating mechanism (6) in breaker (1), is being divided
Encourage the terminals (24) and shunt trip (23) for being provided with electrical apparatus release (2) and being used for receiving external control signal, described point
Trip gear (23) is encouraged to electrically connect with terminals (24) for the instantaneous trip after external signal is received.
2. miniature circuit breaker according to claim 1, it is characterised in that：In the housing (21) of the shunt release (2)
Operating mechanism (6), moving contact (7) and shunt opening static contact (22) are installed, moving contact (7) is arranged on the contact of operating mechanism (6)
Support to be oppositely arranged on (64) and with the side of shunt opening static contact (22), the opposite side of the shunt opening static contact (22) takes off with shunt opening
The coil electrical connection of buckle device (23), one end of the shunt trip (23) are relative with the lock (63) of operating mechanism (6)
Set, the other end electrically connects with being arranged on the terminals (24) of housing (21) side.
3. miniature circuit breaker according to claim 1, it is characterised in that：It is provided with the handle (5) of the breaker (1)
Drive rod (16), the side of the drive rod (16) are articulated in the rotating shaft (51) of handle (5), and opposite side is provided with the first convex tendon
(161), the contact of described the first convex tendon (161) and the operating mechanism (6) being arranged in breaker (1) is supported on (64) side
The second convex tendon (641) shift to install.
4. miniature circuit breaker according to claim 3, it is characterised in that：The handle (5) of the breaker (1) can with turn
Rotation-limited centered on axle (51), and drive the U-shaped lever (61) of drive rod (16) and operating mechanism (6) to move, described is U-shaped
Lever (61) supports (64) rotate to make the first convex tendon by contact of the tripping (62) of operating mechanism (6) with pneumatic operating mechanism (6)
(161) abutted against with the second convex tendon (641), moving contact (7) and circuit breaker static contact (13) are in geo-stationary.
5. miniature circuit breaker according to claim 3, it is characterised in that：Elasticity is provided with one end of the first convex tendon (161)
Arm (162), described elastic arm (162) are extended on handle (5), and are provided with groove in one end of the second convex tendon (641)
(642)。
6. miniature circuit breaker according to claim 1, it is characterised in that：Operating mechanism in the shunt release (2)
(6) include U-shaped lever (61), tripping (62), lock (63), contact support (64) and lever (65), described lever (65) and
Contact supports (64) to be articulated on the housing (21) of shunt release (2), and lever (65) is supported by excess of stroke torsion spring and contact
(64) it is connected, described lock (63) and tripping (62) are articulated on lever (65) and overlap cooperation, described tripping (62)
It is be hinged by U-shaped lever (61) and handle (5).
7. miniature circuit breaker according to claim 1, it is characterised in that：Installed in the shell (11) of the breaker (1)
There are moving contact (7), binding post (15) and insulation board (17), the contact that moving contact (7) is arranged on operating mechanism (6) is supported
(64) on, described binding post (15) is arranged on the both sides of shell (11), and described insulation board (17) is arranged on moving contact (7)
Between the binding post (15) of side.
8. miniature circuit breaker according to claim 1, it is characterised in that：Operating mechanism (6) bag in the breaker (1)
Include U-shaped lever (61), tripping (62), lock (63), contact support (64) and lever (65), described lever (65) and contact branch
Hold (64) to be articulated on the shell (11) of breaker (1), lever (65) supports (64) to be connected by excess of stroke torsion spring with contact, institute
The lock (63) and tripping (62) stated are articulated on lever (65) and overlap cooperation, and described tripping (62) passes through U-shaped lever
(61) it is be hinged with handle (5).
9. miniature circuit breaker according to claim 1, it is characterised in that：Described miniature circuit breaker is by circuit breaker multiple levels
(1) it is spliced side by side successively with a pole shunt release (2), described shunt release (2) is located at outermost and is used for shunt opening
Thread off and individually turn into a pole, handle (5) unification of each breaker (1) and shunt release (2) is arranged on taper knob (3)
Interior, the lock (63) of the operating mechanism (6) in shunt release (2) passes through connecting shaft (4) and the operation machine of circuit breakers (1)
Structure (6) links, and is linked between the operating mechanism (6) of two neighboring breaker (1) also by connecting shaft (4).
10. miniature circuit breaker according to claim 1, it is characterised in that：The moving contact (7) of the breaker (1) with it is quiet
Distance after contact (13) disconnects is more than the moving contact (7) of shunt release (2) and the distance after shunt opening static contact (22) disconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720522762.7U CN206877941U (en) | 2017-05-11 | 2017-05-11 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720522762.7U CN206877941U (en) | 2017-05-11 | 2017-05-11 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206877941U true CN206877941U (en) | 2018-01-12 |
Family
ID=61339716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720522762.7U Active CN206877941U (en) | 2017-05-11 | 2017-05-11 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206877941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4131308A1 (en) * | 2021-08-03 | 2023-02-08 | Xiamen Hongfa Electrical Safety & Controls Co. | Circuit breaker |
-
2017
- 2017-05-11 CN CN201720522762.7U patent/CN206877941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4131308A1 (en) * | 2021-08-03 | 2023-02-08 | Xiamen Hongfa Electrical Safety & Controls Co. | Circuit breaker |
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