CN107845548A - Helix tube type permanent magnet operating low-voltage circuit breaker - Google Patents
Helix tube type permanent magnet operating low-voltage circuit breaker Download PDFInfo
- Publication number
- CN107845548A CN107845548A CN201711303805.3A CN201711303805A CN107845548A CN 107845548 A CN107845548 A CN 107845548A CN 201711303805 A CN201711303805 A CN 201711303805A CN 107845548 A CN107845548 A CN 107845548A
- Authority
- CN
- China
- Prior art keywords
- magnet operating
- contact
- voltage circuit
- circuit breaker
- rotating shaft
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
-
- 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
- H01H71/66—Power reset mechanisms
- H01H71/68—Power reset mechanisms actuated by electromagnet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention 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, rotating shaft, controller, operation handle and rocker device, bottom plate both ends set a supporting plate respectively, rotating shaft both ends are rotatably connected in the supporting plate of both sides, each pair contact system includes a moving contact and a static contact, static contact is fixed on the bottom plate between two supporting plates, moving contact is relative with static contact to match setting, and one end of moving contact is fixedly connected in rotating shaft, operation handle is fixedly connected on rocker device, and rotating shaft is connected by rocker device and breaker, and breaker is fixedly connected on the outside of a supporting plate, controller makes breaker be connected with external power source by wire.Using permanent-magnet operating mechanism, the break-make of the contact of low-voltage circuit breaker is controlled, simple in construction, reliability is high；And with both of which is manually and automatically controlled, it is easy to work and debugging.
Description
Technical field
The present invention relates to low-voltage circuit breaker technical field, more particularly to a kind of helix tube type permanent magnet operating low-voltage circuit breaker.
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 the enterprise of foreign countries,
And the defects of complicated, transmission parts are more, the required precision to parts is higher, and manufacture difficulty is big, production cost is high.
The content of the invention
The technical problems to be solved by the invention are：In order to overcome deficiency of the prior art, the present invention provides helix tube type
Permanent magnet operating low-voltage circuit breaker.
The present invention solves its technical problem technical scheme to be taken：A kind of helix tube type permanent magnet operating low pressure open circuit
Device, including bottom plate and be arranged on bottom plate permanent-magnet operating mechanism, multipair contact system, rotating shaft, controller, operation handle and
Rocker device, the bottom plate both ends set a supporting plate respectively, and the rotating shaft both ends are rotatably connected in the supporting plate of both sides, often
One moving contact and a static contact are included to contact system, the static contact is fixed on the bottom plate between two supporting plates, described dynamic
Contact is relative with static contact to match setting, and one end of the moving contact is fixedly connected in the rotating shaft, the operation handle
It is fixedly connected on the rocker device, and the rotating shaft is connected by rocker device and the breaker, and it is described disconnected
Road device is fixedly connected on the outside of a supporting plate, and the controller makes the breaker be connected with external power source by wire.Can
To realize automatically controlling for whole breaker, the manual control of whole breaker can be realized by operation handle, makes to control manually
Make and automatically control 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
Connect, the rocking arm upper end is fixedly connected with the operation handle, and described connecting rod one end is by the first bearing pin pin joint in rocking arm
Between position, the connecting rod other end passes through the main shaft pin joint of the second bearing 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 rotating shaft, it is tactile so as to drive
The closed and disconnected of head.
Further, it is provided with pin joint for the ease of the connection transition of breaker and rocker device, the breaker main shaft end
Portion, pin joint portion end are provided with pin joint hole, and the pin joint portion is connected by the bearing pin being arranged in pin joint hole with the connecting rod
Connect.
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 it is separately fixed at around the magnet coil being located on static iron core, the drive end bearing bracket and rear end cap
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
State the main shaft other end and extend housing cavity through the drive end bearing bracket and be connected 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 one pair 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 connected with other mechanisms, the both ends of the static contact are equipped with wiring hole.Wiring hole is used for
Be connected wire, avoids wire dropping.
Operation principle：
Permanent-magnet operating mechanism and external power source are attached by controller, for realizing the logical of auto-controlled circuit breaker
It is disconnected.
When the solenoid is activated, make dynamic iron core and static iron core adhesive, move, that is, be retracted in housing in main axial shell,
So as to pull rocking bar to swing to the right by connecting rod, close normally open contact, normally closed interlock disconnects.
When magnet 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 pull rocking bar to swing to the left by connecting rod, disconnect normally open contact, normally closed interlock closure；
When breaker breaks down, or needs debugging manually, as long as promoting operation handle that contact can be achieved back and forth
Closed and disconnected, so as to realize manual control.
The beneficial effects of the invention are as follows：A kind of helix tube type permanent magnet operating low-voltage circuit breaker provided by the invention, using permanent magnetism
Operating mechanism, the break-make of the contact of low-voltage circuit breaker is controlled, simple in construction, reliability is high；And have and manually and automatically control
Both of which, it is easy to work and debugging.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of preferred embodiment；
Fig. 2 is the structural representation of preferred embodiment.
In figure：1st, static contact, 2, controller, 3, bottom plate, 4, rotating shaft, 5, supporting 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 bearing pin, the 14, second bearing pin, 15,
Wiring hole, 16, moving contact.
Embodiment
Presently in connection with accompanying drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
The basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As depicted in figs. 1 and 2, a kind of helix tube type permanent magnet operating low-voltage circuit breaker of the invention, including bottom plate 3 and setting
Permanent-magnet operating mechanism 6, multipair contact, rotating shaft 4, controller 2, operation handle 12 and rocker device on bottom plate 3, the bottom plate
3 both ends set a supporting plate 5 respectively, and the both ends of rotating shaft 4 are rotatably connected in the supporting plate 5 of both sides, and each pair contact includes one
The static contact 1 of moving contact 16 and one, the static contact 1 are fixed on the bottom plate 3 between two supporting plates 5, the moving contact 16 with it is quiet
The relative matching of contact 1 is set, and one end of the moving contact 16 is fixedly connected in the rotating shaft 4, and the operation handle 12 is solid
Surely it is connected on the rocker device, and the rotating shaft 4 is connected by rocker device and the permanent-magnet operating mechanism 6, and
The permanent-magnet operating mechanism 6 is fixedly connected on the outside of a supporting plate 5, and the controller 2 makes the permanent magnet operating by wire
Mechanism 6 is connected with external power source.Automatically controlling for whole mechanism can be realized by permanent-magnet operating mechanism 6, pass through operation handle
12 can realize the manual control of whole mechanism, make to control and automatically control manually to integrate, and operation is more convenient, flexibly.
Further, the rocker device includes rocking arm 11 and connecting rod 10, the lower end of rocking arm 11 and the end of rotating shaft 4
It is fixedly connected, the upper end of rocking arm 11 is fixedly connected with the operation handle 12, and described one end of connecting rod 10 passes through the first bearing pin 13
Pin joint passes through the second bearing pin 14 and the permanent-magnet operating mechanism 6 in the middle part of rocking arm 11, the other end of connecting rod 10
The pin joint of main shaft 8.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 rotating shaft 4, so as to the closed and disconnected with moving contact.
Further, for the ease of the connection transition of breaker 6 and rocker device, the end of 6 main shaft of breaker 8 is provided with pin
Socket part 9, the end of pin joint portion 9 are provided with pin joint hole, and the pin joint portion 9 passes through the bearing 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 magnet 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
The other end of main shaft 8 extends housing cavity through the drive end bearing bracket and is connected 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 one pair 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 are for a pair normal
Close contact.
Further, for the ease of being connected with other mechanisms, the both ends of the static contact 1 are equipped with wiring hole 15.Wiring hole
15 are used for the wire that is connected, and avoid wire dropping.
Operation principle：
Permanent-magnet operating mechanism 6 is attached with external power source by controller 2, permanent magnet operating is automatically controlled for realizing
The adhesive and release of mechanism 6.
When the solenoid is activated, dynamic iron core and static iron core adhesive are made, main shaft 8 moves into housing, that is, is retracted in housing,
So as to pull rocking bar to swing to the right by connecting rod 10, close normally open contact, normally-closed contact head disconnects.
When magnet 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 pull rocking bar to swing to the left by connecting rod 10, disconnect normally open contact, normally-closed contact head closure；
When permanent-magnet operating mechanism 6 breaks down, or needs debugging manually, as long as promoting operation handle 12 back and forth
The closed and disconnected of contact is realized, so as to realize manual control.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, related staff
Various changes and amendments can be carried out in without departing from the scope of the present invention completely.The technical scope of this invention is not
The content being confined on specification, it is necessary to which its technical scope is determined according to right.
Claims (6)
- A kind of 1. 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, rotating shaft (4), controller (2), operation handle (12) and rocker device, it is described Bottom plate (3) both ends set a supporting plate (5) respectively, and rotating shaft (4) both ends are rotatably connected in the supporting 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 supporting plates (5) (3) on, the moving contact (16) is relative with static contact (1) to match setting, and one end of the moving contact (16) is fixedly connected on On the rotating shaft (4), the operation handle (12) is fixedly connected on the rocker device, and the rotating shaft (4) passes through rocking bar Mechanism is connected with the permanent-magnet operating mechanism (6), and the mechanism (6) is fixedly connected on the outside of a supporting plate (5), institute State controller (2) makes the permanent-magnet operating mechanism (6) be connected with external power source by wire.
- 2. helix tube type permanent magnet operating low-voltage circuit breaker as claimed 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 rotating 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 bearing pin (13) pin joint in rocking arm (11) Between position, the main shaft (8) that connecting rod (10) other end passes through the second bearing pin (14) and the permanent-magnet operating mechanism (6) sells Connect.
- 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 provided with pin joint portion (9), and pin joint portion (9) end is provided with pin joint hole, and the pin joint portion (9) passes through setting Bearing pin in pin joint hole is connected 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) include 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 quiet around being located at Magnet 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 connected with the pin joint portion (9), and terminals (7) are additionally provided with 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 one pair of normally closed interlock.
- 6. helix tube type permanent magnet operating low-voltage circuit breaker as claimed 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 |
|---|---|---|---|
| CN201711303805.3A CN107845548A (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 |
|---|---|---|---|
| CN201711303805.3A CN107845548A (en) | 2017-12-11 | 2017-12-11 | Helix tube type permanent magnet operating low-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107845548A true CN107845548A (en) | 2018-03-27 |
Family
ID=61664851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711303805.3A Pending CN107845548A (en) | 2017-12-11 | 2017-12-11 | Helix tube type permanent magnet operating low-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107845548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446717A (en) * | 2022-03-16 | 2022-05-06 | 浙江天正电气股份有限公司 | Hand-operated household contactor |
-
2017
- 2017-12-11 CN CN201711303805.3A patent/CN107845548A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446717A (en) * | 2022-03-16 | 2022-05-06 | 浙江天正电气股份有限公司 | Hand-operated household contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180327 |