CN207517634U - Helix tube type permanent magnet operating low-voltage circuit breaker - Google Patents
Helix tube type permanent magnet operating low-voltage circuit breaker Download PDFInfo
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- CN207517634U CN207517634U CN201721716694.4U CN201721716694U CN207517634U CN 207517634 U CN207517634 U CN 207517634U CN 201721716694 U CN201721716694 U CN 201721716694U CN 207517634 U CN207517634 U CN 207517634U
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- magnet operating
- contact
- shaft
- voltage circuit
- circuit breaker
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Abstract
The utility model provides a kind of helix tube type permanent magnet operating low-voltage circuit breaker, including bottom plate and the permanent-magnet operating mechanism being arranged on bottom plate, multipair contact system, shaft, controller, operation handle and rocker device, bottom plate both ends set a support plate respectively, shaft both ends are rotatably connected in the support plate of both sides, each pair of contact system includes a moving contact and a static contact, static contact is fixed on the bottom plate between two support plates, moving contact is opposite with static contact to match setting, and one end of moving contact is fixedly connected in shaft, operation handle is fixedly connected on rocker device, and shaft is sequentially connected by rocker device and breaker, and breaker is fixedly connected on the outside of a support plate, controller makes breaker be connect with external power supply by conducting wire.Using permanent-magnet operating mechanism, the break-make of the contact of low-voltage circuit breaker is controlled, simple in structure, reliability is high；And with both of which is manually and automatically controlled, convenient for work and debugging.
Description
Technical field
The utility model is related to low-voltage circuit breaker technical field, more particularly to a kind of open circuit of helix tube type permanent magnet operating low pressure
Device.
Background technology
Low-voltage circuit breaker (or low tension switch) it can not only cut off or the no-load current in closed low circuit and negative
Charged current, and overload electric current and short circuit current are cut off by the effect of relay protection when system jam,
It has quite perfect arc extinguishing structure and enough cutout abilities.In current power transmission circuit, particularly low-voltage electricity transmission line and
On low tension cabinet, it is common to use all kinds of low-voltage circuit breakers, but the core technology of this kind of breaker is grasped by external enterprise,
And the defects of complicated, transmission parts are more, higher to the required precision of parts, and manufacture difficulty is big, production cost is high.
Utility model content
Technical problem to be solved in the utility model is：In order to overcome deficiency of the prior art, the utility model carries
For helix tube type permanent magnet operating low-voltage circuit breaker.
The utility model solves its technical problem technical solution to be taken：A kind of helix tube type permanent magnet operating low pressure is broken
Road device, including bottom plate and the permanent-magnet operating mechanism being arranged on bottom plate, multipair contact system, shaft, controller, operation handle
And rocker device, the bottom plate both ends set a support plate respectively, the shaft both ends are rotatably connected in the support plate of both sides,
Each pair of contact system includes a moving contact and a static contact, and the static contact is fixed on the bottom plate between two support plates, described
Moving contact is opposite with static contact to match setting, and one end of the moving contact is fixedly connected in the shaft, the manipulator
Handle is fixedly connected on the rocker device, and the shaft is sequentially connected by rocker device and the breaker, and described
Breaker is fixedly connected on the outside of a support plate, and the controller makes the breaker be connect with external power supply by conducting wire.
It can realize automatically controlling for entire breaker, the manual control of entire breaker can be realized by operation handle, make manually
It controls and automatically controls and integrate, operation is more convenient, flexibly.
Further, the rocker device includes rocking arm and connecting rod, and the rocking arm lower end is fixed with the roller end to be connected
It connects, the rocking arm upper end is fixedly connected with the operation handle, and described connecting rod one end is by the first axis pin pin joint in rocking arm
Between position, the connecting rod other end passes through the main shaft pin joint of the second axis pin and the breaker.Connecting rod is connected to manipulator
Between handle and the run-on point of rocking arm, the expanding-contracting action of the main shaft of breaker can be converted to the rotation of shaft, it is tactile so as to drive
The open and close of head.
Further, for the ease of the connection transition of breaker and rocker device, the breaker main shaft end is equipped with pin joint
Portion, pin joint portion end are equipped with pin joint hole, and the pin joint portion is connected by the axis pin being arranged in pin joint hole with the connecting rod
It connects.
Specifically, the helix tube type permanent-magnet operating mechanism includes housing, drive end bearing bracket, rear end cap, main shaft and is arranged on shell
The static iron core of intracoelomic cavity, dynamic iron core and around the electromagnetic coil being located on static iron core, the drive end bearing bracket and rear end cap are separately fixed at
The rear and front end of the housing, and the housing, drive end bearing bracket and rear end cap surround housing cavity, the static iron core is fixedly connected on
In the housing cavity, the dynamic iron core is fixedly connected on one end of the main shaft, and is slidably connected with the housing cavity, institute
It states the main shaft other end and extends housing cavity through the drive end bearing bracket and connect with the pin joint portion, also set on the outer wall of the housing
There are terminals.
Specifically, the contact includes at least two pairs of normally open contacts and at least a pair of of normally closed interlock.The type of contact and more
It is few to be determined according to the occasion used.
Further, for the ease of being connect with other mechanisms, the both ends of the static contact are equipped with wiring hole.Wiring hole is used for
The fixed conducting wire of connection, avoids wire dropping.
Operation principle：
Permanent-magnet operating mechanism and external power supply are attached by controller, are used to implement the logical of auto-controlled circuit breaker
It is disconnected.
When the solenoid is activated, it is attracted dynamic iron core and static iron core, is moved in main axial shell, that is, be retracted in housing,
So as to rocking bar be pulled to swing to the right by connecting rod, it is closed normally open contact, normally closed interlock disconnects.
When electromagnetic coil is reversely powered, dynamic iron core and static iron core are disconnected, is moved outside main axial shell, that is, stretches out housing
It is interior, so as to rocking bar be pulled to swing to the left by connecting rod, disconnect normally open contact, normally closed interlock is closed；
When breaker breaks down or needs debugging manually, as long as pushing operation handle that contact can be realized back and forth
Open and close, so as to fulfill manual control.
The beneficial effects of the utility model are：A kind of helix tube type permanent magnet operating low-voltage circuit breaker provided by the utility model,
Using permanent-magnet operating mechanism, the break-make of the contact of low-voltage circuit breaker is controlled, simple in structure, reliability is high；And with manually and
Both of which is automatically controlled, convenient for work and debugging.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the best embodiment of the utility model；
Fig. 2 is the structure diagram of the best embodiment of the utility model.
In figure：1st, static contact, 2, controller, 3, bottom plate, 4, shaft, 5, support plate, 6, permanent-magnet operating mechanism, 7, wiring
End, 8, main shaft, 9, pin joint portion, 10, connecting rod, 11, rocking arm, 12, operation handle, the 13, first axis pin, the 14, second axis pin, 15,
Wiring hole, 16, moving contact.
Specific embodiment
The utility model is described in detail presently in connection with attached drawing.This figure is simplified schematic diagram, only in a schematic way
Illustrate the basic structure of the utility model, therefore it only shows the composition related with the utility model.
As depicted in figs. 1 and 2, a kind of helix tube type permanent magnet operating low-voltage circuit breaker of the utility model, including bottom plate 3 and
Permanent-magnet operating mechanism 6, multipair contact, shaft 4, controller 2, operation handle 12 and the rocker device being arranged on bottom plate 3, it is described
3 both ends of bottom plate set a support plate 5 respectively, and 4 both ends of shaft are rotatably connected in the support plate 5 of both sides, each pair of contact packet
A moving contact 16 and a static contact 1 are included, the static contact 1 is fixed on the bottom plate 3 between two support plates 5, the moving contact 16
It is opposite with static contact 1 to match setting, and one end of the moving contact 16 is fixedly connected in the shaft 4, the operation handle
12 are fixedly connected on the rocker device, and the shaft 4 is connected by rocker device and the permanent-magnet operating mechanism 6 transmission
It connects, and the permanent-magnet operating mechanism 6 is fixedly connected on the outside of a support plate 5, the controller 2 makes the permanent magnetism by conducting wire
Operating mechanism 6 is connect with external power supply.Automatically controlling for entire mechanism can be realized by permanent-magnet operating mechanism 6, pass through operation
Handle 12 can realize the manual control of entire mechanism, make to control and automatically control manually to integrate, and operation is more convenient, spirit
It is living.
Further, the rocker device includes rocking arm 11 and connecting rod 10,11 lower end of rocking arm and 4 end of shaft
It is fixedly connected, 11 upper end of rocking arm is fixedly connected with the operation handle 12, and described 10 one end of connecting rod passes through the first axis pin 13
Pin joint passes through the second axis pin 14 and the permanent-magnet operating mechanism 6 in the intermediate position of rocking arm 11,10 other end of connecting rod
8 pin joint of main shaft.Connecting rod 10 is connected between operation handle 12 and the run-on point of rocking arm 11, can be by the main shaft 8 of breaker 6
Expanding-contracting action is converted to the rotation of shaft 4, so as to the open and close with moving contact.
Further, for the ease of the connection transition of breaker 6 and rocker device, 6 main shaft of breaker, 8 end is equipped with pin
Socket part 9,9 end of pin joint portion are equipped with pin joint hole, and the pin joint portion 9 passes through the axis pin being arranged in pin joint hole and the connection
Bar 10 connects.
Specifically, the permanent-magnet operating mechanism 6 includes housing, drive end bearing bracket, rear end cap, main shaft 8 and is arranged in housing
The static iron core of chamber, dynamic iron core and around the electromagnetic coil being located on static iron core, the drive end bearing bracket and rear end cap are separately fixed at described
The rear and front end of housing, and the housing, drive end bearing bracket and rear end cap surround housing cavity, the static iron core is fixedly connected on described
In housing cavity, the dynamic iron core is fixedly connected on one end of the main shaft 8, and is slidably connected with the housing cavity, described
8 other end of main shaft extends housing cavity through the drive end bearing bracket and is connect with the pin joint portion 9, is also set on the outer wall of the housing
There are terminals 7.
Specifically, the contact system includes at least two pairs of normally open contacts and at least a pair of of normally closed interlock.The type of contact
How much determined according to the occasion used.There are three pairs of contacts in the present embodiment, wherein, two pairs are normally open contact and a pair is normal
Close contact.
Further, for the ease of being connect with other mechanisms, the both ends of the static contact 1 are equipped with wiring hole 15.Wiring hole
15, for connecting fixed conducting wire, avoid wire dropping.
Operation principle：
Permanent-magnet operating mechanism 6 with external power supply is attached by controller 2, is used to implement and automatically controls permanent magnet operating
The actuation and release of mechanism 6.
When the solenoid is activated, it is attracted dynamic iron core and static iron core, main shaft 8 is moved into housing, that is, is retracted in housing,
So as to rocking bar be pulled to swing to the right by connecting rod 10, it is closed normally open contact, normally-closed contact head disconnects.
When electromagnetic coil powers off, disconnect dynamic iron core and static iron core, main shaft 8 is stretched out in housing to shell extracorporeal movement,
So as to rocking bar be pulled to swing to the left by connecting rod 10, disconnect normally open contact, normally-closed contact head is closed；
When permanent-magnet operating mechanism 6 breaks down or needs to debug manually, as long as pushing operation handle 12 back and forth
The open and close of contact is realized, so as to fulfill manual control.
Using the above-mentioned desirable embodiment according to the utility model as enlightenment, by above-mentioned description, relevant work
Personnel can carry out various changes and amendments in without departing from the scope of the utility model completely.This item utility model
Technical scope is not limited to the content on specification, it is necessary to determine its technical scope according to right.
Claims (6)
1. a kind of helix tube type permanent magnet operating low-voltage circuit breaker, it is characterised in that：Including bottom plate (3) and it is arranged on bottom plate (3)
Permanent-magnet operating mechanism (6), multipair contact system, shaft (4), controller (2), operation handle (12) and rocker device, it is described
Bottom plate (3) both ends set a support plate (5) respectively, and shaft (4) both ends are rotatably connected in the support plate (5) of both sides, often
One moving contact (16) and a static contact (1) are included to contact, the static contact (1) is fixed on the bottom plate between two support plates (5)
(3) on, the moving contact (16) is opposite with static contact (1) to match setting, and one end of the moving contact (16) is fixedly connected on
On the shaft (4), the operation handle (12) is fixedly connected on the rocker device, and the shaft (4) passes through rocking bar
Mechanism is sequentially connected with the permanent-magnet operating mechanism (6), and the mechanism (6) is fixedly connected on the outside of a support plate (5), institute
State controller (2) makes the permanent-magnet operating mechanism (6) be connect with external power supply by conducting wire.
2. helix tube type permanent magnet operating low-voltage circuit breaker as described in claim 1, it is characterised in that：The rocker device includes shaking
Arm (11) and connecting rod (10), rocking arm (11) lower end are fixedly connected with the shaft (4) end, rocking arm (11) upper end
The operation handle (12) is fixedly connected with, described connecting rod (10) one end is by the first axis pin (13) pin joint in rocking arm (11)
Between position, the main shaft (8) that connecting rod (10) other end passes through the second axis pin (14) and the permanent-magnet operating mechanism (6) sells
It connects.
3. helix tube type permanent magnet operating low-voltage circuit breaker as claimed in claim 2, it is characterised in that：The permanent-magnet operating mechanism
(6) main shaft (8) end is equipped with pin joint portion (9), and pin joint portion (9) end is equipped with pin joint hole, and the pin joint portion (9) passes through setting
Axis pin in pin joint hole is connect with the connecting rod (10).
4. helix tube type permanent magnet operating low-voltage circuit breaker as claimed in claim 3, it is characterised in that：The permanent-magnet operating mechanism
(6) including housing, drive end bearing bracket, rear end cap, main shaft (8) and be arranged on the static iron core of housing cavity, dynamic iron core and around being located at it is quiet
Electromagnetic coil on iron core, the drive end bearing bracket and rear end cap are separately fixed at the rear and front end of the housing, and the housing, preceding
End cap and rear end cap surround housing cavity, and the static iron core is fixedly connected in the housing cavity, and the dynamic iron core, which is fixed, to be connected
One end of the main shaft (8) is connected on, and is slidably connected with the housing cavity, main shaft (8) other end runs through the front end
Lid extends housing cavity and is connect with the pin joint portion (9), and terminals (7) are additionally provided on the outer wall of the housing.
5. helix tube type permanent magnet operating low-voltage circuit breaker as claimed in claim 4, it is characterised in that：The contact includes at least two
To normally open contact and at least a pair of of normally closed interlock.
6. helix tube type permanent magnet operating low-voltage circuit breaker as described in claim 1, it is characterised in that：The two of the static contact (1)
End is equipped with wiring hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716694.4U CN207517634U (en) | 2017-12-11 | 2017-12-11 | Helix tube type permanent magnet operating low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716694.4U CN207517634U (en) | 2017-12-11 | 2017-12-11 | Helix tube type permanent magnet operating low-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207517634U true CN207517634U (en) | 2018-06-19 |
Family
ID=62544034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721716694.4U Active CN207517634U (en) | 2017-12-11 | 2017-12-11 | Helix tube type permanent magnet operating low-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207517634U (en) |
-
2017
- 2017-12-11 CN CN201721716694.4U patent/CN207517634U/en active Active
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