CN115662833A - Permanent magnet circuit breaker with intelligent control module - Google Patents
Permanent magnet circuit breaker with intelligent control module Download PDFInfo
- Publication number
- CN115662833A CN115662833A CN202211120386.0A CN202211120386A CN115662833A CN 115662833 A CN115662833 A CN 115662833A CN 202211120386 A CN202211120386 A CN 202211120386A CN 115662833 A CN115662833 A CN 115662833A
- Authority
- CN
- China
- Prior art keywords
- iron core
- end cover
- permanent magnet
- movable iron
- control module
- 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
Links
Images
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a permanent magnetic circuit breaker with an intelligent control module, which comprises: the device comprises a static iron core and a movable iron core, wherein an upper end cover and a lower end cover are arranged at two ends of the static iron core, a connector is arranged at the bottom of the lower end cover, and a manual brake separating device is arranged on the connector; a lower bearing is arranged at the joint of the movable iron core and the lower end cover, an upper bearing is arranged at the joint of the movable iron core and the upper end cover, a gasket, a permanent magnet and a split-combined coil are sequentially arranged on the inner wall of the static iron core from top to bottom, a pole shoe is arranged on the upper side of the split-combined coil and positioned on the inner side of the permanent magnet, and a base plate is arranged between the gasket and the upper end cover; the magnetic pole direction of the permanent magnet is vertical to the moving direction of the movable iron core; one side of the upper end of the movable iron core is provided with a first support, an opening plate is installed on the first support, and the first support is fixedly installed on the upper end cover. The invention has compact integral structure, convenient installation, small coil control current, high electromagnetic force change speed and very small operating force, and can be matched with a fuse to realize mechanical interlocking.
Description
Technical Field
The invention relates to an intelligent controller, in particular to a permanent magnet circuit breaker with an intelligent control module.
Background
In the field of high-voltage switches, the use of permanent magnet mechanisms has become widespread. Permanent magnet mechanisms are generally classified into bistable and monostable structures. For a high-voltage switch operating in a system, besides electromagnetic opening, manual opening is also required. The existing designed mechanism rarely considers a manual brake separating device, the existing mechanism with the manual brake separating function is forced to break by means of external force, the brake separating characteristic cannot be guaranteed, the operating force is high, the mechanical interlocking function cannot be realized, only the electrical interlocking can be relied on, and the application has great limitation.
Therefore, we propose a permanent magnet circuit breaker with an intelligent control module in order to solve the problems set forth in the above.
Disclosure of Invention
The invention aims to provide a permanent magnet circuit breaker with an intelligent control module, which aims to solve the problems that the forced breaking by means of external force cannot ensure the breaking characteristic, the operating force is high, the mechanical interlocking function cannot be realized, and only the electrical interlocking can be relied on in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a permanent magnet circuit breaker with intelligent control module, comprising: the device comprises a static iron core and a movable iron core, wherein an upper end cover and a lower end cover are arranged at two ends of the static iron core, a connector is arranged at the bottom of the lower end cover, and a manual brake separating device is arranged on the connector;
the movable iron core penetrates through the upper end cover and the lower end cover, a lower bearing is arranged at the joint of the movable iron core and the lower end cover, an upper bearing is arranged at the joint of the movable iron core and the upper end cover, and the movable iron core is rotatably connected with the upper end cover and the lower end cover through the upper bearing and the lower bearing;
the upper end cover and the lower end cover are fixedly connected with the static iron core through bolts;
the inner wall of the static iron core is sequentially provided with a gasket, a permanent magnet and a split-combined coil from top to bottom, a pole shoe is arranged above the split-combined coil and positioned on the inner side of the permanent magnet, and a base plate is arranged between the gasket and the upper end cover;
the magnetic pole direction of the permanent magnet is vertical to the moving direction of the movable iron core;
one side of the upper end of the movable iron core is provided with a first support, an opening plate is installed on the first support, and the first support is fixedly installed on the upper end cover.
Preferably, the movable iron core adopts a cylindrical structure.
Preferably, an air gap is arranged between the pole shoe and the movable iron core, and the air gap is 0.4mm.
Preferably, the permanent magnet is magnetized in the radial direction, the direction of the permanent magnet is from outside to inside, and the magnetic fields of the permanent magnet are symmetrically distributed along the central axis.
Preferably, the upper end of the movable iron core is provided with a cover, an inner hexagon screw penetrates through the cover, and the cover and the movable iron core are fixedly installed through the inner hexagon screw.
Preferably, a second support is arranged on the other side of the upper end of the movable iron core, a tripping shaft penetrates through the second support, a torsion spring is sleeved on the tripping shaft, an elastic retaining ring for the shaft is arranged at the joint of the tripping shaft and the second support, an elastic cylindrical pin is mounted on the tripping shaft, and the right end of the torsion spring is fixed by the elastic cylindrical pin.
Compared with the prior art, the invention has the beneficial effects that:
the permanent magnet mechanism has the advantages of compact integral structure, convenient installation, small coil control current, high electromagnetic force change speed and quick action response, and compared with the existing permanent magnet mechanism, the permanent magnet mechanism has the advantages that the principle that a short circuit ring is in short circuit with a magnetic circuit of a permanent magnet is utilized, so that the permanent magnet holding force is reduced, manual opening operation can be realized under the counter-force action of external force (the pulling force of an external opening spring) and external force (the elastic force of an external contact spring), the operating force is very small, the permanent magnet mechanism can be applied to a vacuum contactor-fuse combined electrical appliance, and can be matched with a fuse to realize mechanical interlocking.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a top view of the present invention;
in the figure: 1. a first support; 2. a shedding plate; 3. a cover; 4. a socket head cap screw; 6. a circlip for the shaft; 7. an elastic cylindrical pin; 8. tripping the shaft; 9. an upper end cover; 10. a backing plate; 11. a gasket; 12. a permanent magnet; 13. a pole shoe; 14. a stationary core; 15. a movable iron core; 16. separating and combining coils; 17. a lower end cover; 19. a connector; 24. a bolt; 26. a lower bearing; 27. an upper bearing; 33. a second support; 34. a torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a permanent magnet circuit breaker with intelligent control module, comprising: the device comprises a static iron core 14 and a movable iron core 15, wherein an upper end cover 9 and a lower end cover 17 are arranged at two ends of the static iron core 14, a connector 19 is arranged at the bottom of the lower end cover 17, and a manual brake separating device is arranged on the connector 19;
the movable iron core 15 is of a cylindrical structure, the movable iron core 15 penetrates through the upper end cover 9 and the lower end cover 17, a lower bearing 26 is arranged at the joint of the movable iron core 15 and the lower end cover 17, an upper bearing 27 is arranged at the joint of the movable iron core 15 and the upper end cover 9, and the movable iron core 15 is rotatably connected with the upper end cover 9 and the lower end cover 17 through the upper bearing 27 and the lower bearing 26;
the upper end cover 9 and the lower end cover 17 are fixedly connected with the static iron core 14 through bolts 24;
a gasket 11, a permanent magnet 12 and a split-combination coil 16 are sequentially arranged on the inner wall of the static iron core 14 from top to bottom, a pole shoe 13 is arranged on the upper side of the split-combination coil 16 and positioned on the inner side of the permanent magnet 12, and a backing plate 10 is arranged between the gasket 11 and the upper end cover 9;
an air gap is arranged between the pole shoe 13 and the movable iron core 15, and the air gap is 0.4mm;
the magnetic pole direction of the permanent magnet 12 is vertical to the moving direction of the movable iron core 15, the permanent magnet 12 is magnetized in the radial direction, the direction is from outside to inside, and the magnetic fields of the permanent magnet are symmetrically distributed along the central axis;
the upper end of the movable iron core 15 is provided with a cover 3, an inner hexagon screw 4 penetrates through the cover 3, and the cover 3 and the movable iron core 15 are fixedly installed through the inner hexagon screw 4;
one side of the upper end of the movable iron core 15 is provided with a first support 1, the first support 1 is provided with a shedding plate 2, and the first support 1 is fixedly arranged on an upper end cover 9;
a second support seat 33 is arranged on the other side of the upper end of the movable iron core 15, a tripping shaft 8 penetrates through the second support seat 33, a torsion spring 34 is sleeved on the tripping shaft 8, a shaft elastic check ring 6 is arranged at the joint of the tripping shaft 8 and the second support seat 33, an elastic cylindrical pin 7 is mounted on the tripping shaft 8, and the right end of the torsion spring 34 is fixed by the elastic cylindrical pin 7.
The working principle is as follows:
closing operation: when a closing instruction is received, the opening and closing coil 16 is electrified and excited to drive the movable iron core 15 to move and move towards the upper end cover 9, and when the movable iron core 15 touches the upper end cover 9, closing movement is completed; at this time, the holding force of the permanent magnet 12 is larger than the external contact spring pressure and the external opening spring force, and the closing position is kept still.
Opening operation: when receiving a brake-separating command, the opening and closing coil 16 is reversely electrified and excited, when the holding force is smaller than the external contact spring pressure and the external brake-separating spring force, the movable iron core 15 acts and moves towards the lower end cover 17, when the movable iron core 15 touches the lower end cover 17, the brake-separating action is completed, and the brake-separating position of the movable iron core is kept unchanged under the action of the external brake-separating spring force.
And (3) manual brake opening operation, namely, a special hand tool is adopted and sleeved on the tripper 8 to rotate clockwise, the tripper drives the elastic tripping pin 7, when the rotation angle is close to 45 degrees, the cam head of the tripper 8 props against the cover 3 to move upwards, the cover 3 is connected with the movable iron core 15 through the inner hexagon 4 to move upwards, so that the state of a magnetic circuit is changed, the holding force is reduced, and the movable iron core moves towards the brake opening direction together under the action of the external contact spring pressure and the external brake opening spring force to complete brake opening.
Those not described in detail in this specification are well within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A permanent magnet circuit breaker with intelligent control module, comprising: quiet iron core (14), move iron core (15), its characterized in that: an upper end cover (9) and a lower end cover (17) are arranged at two ends of the static iron core (14), a connector (19) is arranged at the bottom of the lower end cover (17), and a manual brake separating device is arranged on the connector (19);
the movable iron core (15) penetrates through the upper end cover (9) and the lower end cover (17), a lower bearing (26) is arranged at the joint of the movable iron core (15) and the lower end cover (17), an upper bearing (27) is arranged at the joint of the movable iron core (15) and the upper end cover (9), and the movable iron core (15) is rotatably connected with the upper end cover (9) and the lower end cover (17) through the upper bearing (27) and the lower bearing (26);
the upper end cover (9) and the lower end cover (17) are fixedly connected with the static iron core (14) through bolts (24);
a gasket (11), a permanent magnet (12) and a split-combination coil (16) are sequentially arranged on the inner wall of the static iron core (14) from top to bottom, a pole shoe (13) is arranged on the upper portion of the split-combination coil (16) and located on the inner side of the permanent magnet (12), and a base plate (10) is arranged between the gasket (11) and the upper end cover (9);
the magnetic pole direction of the permanent magnet (12) is vertical to the movement direction of the movable iron core (15);
one side of the upper end of the movable iron core (15) is provided with a first support (1), the first support (1) is provided with a shedding plate (2), and the first support (1) is fixedly arranged on the upper end cover (9).
2. A permanent magnet circuit breaker with intelligent control module according to claim 1, characterized in that the moving core (15) is of cylindrical structure.
3. The permanent magnet circuit breaker with the intelligent control module according to claim 1, wherein an air gap is arranged between the pole shoe (13) and the moving iron core (15), and the air gap is 0.4mm.
4. The permanent magnet circuit breaker with intelligent control module according to claim 1, wherein the permanent magnet (12) is magnetized radially, the direction is from outside to inside, and the magnetic field is distributed symmetrically along the central axis.
5. The permanent magnet circuit breaker with the intelligent control module according to claim 1, wherein a cover (3) is installed at the upper end of the movable iron core (15), a hexagon socket head cap screw (4) penetrates through the cover (3), and the cover (3) and the movable iron core (15) are fixedly installed through the hexagon socket head cap screw (4).
6. The permanent magnet circuit breaker with the intelligent control module according to claim 1, wherein a second support seat (33) is arranged on the other side of the upper end of the movable iron core (15), a tripping shaft (8) penetrates through the second support seat (33), a torsion spring (34) is sleeved on the tripping shaft (8), an elastic retaining ring (6) for a shaft is arranged at the joint of the tripping shaft (8) and the second support seat (33), an elastic cylindrical pin (7) is installed on the tripping shaft (8), and the right end of the torsion spring (34) is fixed by the elastic cylindrical pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211120386.0A CN115662833A (en) | 2022-09-15 | 2022-09-15 | Permanent magnet circuit breaker with intelligent control module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211120386.0A CN115662833A (en) | 2022-09-15 | 2022-09-15 | Permanent magnet circuit breaker with intelligent control module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115662833A true CN115662833A (en) | 2023-01-31 |
Family
ID=84983389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211120386.0A Pending CN115662833A (en) | 2022-09-15 | 2022-09-15 | Permanent magnet circuit breaker with intelligent control module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115662833A (en) |
-
2022
- 2022-09-15 CN CN202211120386.0A patent/CN115662833A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200266620A1 (en) | Dropout Recloser | |
| CN101128900B (en) | Electrical circuit breaker having a protective function | |
| US7843293B1 (en) | Bistable magnetic drive for a switch | |
| CN109326483B (en) | Alternating-current high-voltage SF6 circuit breaker and permanent magnet operating mechanism thereof | |
| CN100454463C (en) | Manual switching-off device for permanent magnet switch operating mechanism | |
| CN101022061B (en) | Air circuit breaker with permanent magnetic operating mechanism | |
| CN115662833A (en) | Permanent magnet circuit breaker with intelligent control module | |
| CN100587875C (en) | External mechanical manual brake-separating device of permanent magnetic mechanism | |
| CN210956577U (en) | Power supply drive control system based on electromagnetic operating mechanism | |
| CN108922823A (en) | A kind of quick electromagnetic push driven machine | |
| CN210805609U (en) | Circuit breaker | |
| CN209544176U (en) | A kind of permanent magnet mechanism can be improved switch unfailing performance | |
| CN210897169U (en) | Electromagnetic operating mechanism of reclosing circuit breaker | |
| CN209232664U (en) | Three-phase permanent is mining breaker | |
| CN216624168U (en) | Electromagnetic tripping system of circuit breaker | |
| CN211016911U (en) | Permanent magnet mechanism for high-low voltage vacuum circuit breaker of power system | |
| CN217035554U (en) | Energy-saving low-voltage vacuum contactor | |
| CN211555773U (en) | Outdoor high-voltage permanent magnet vacuum automatic recloser | |
| CN219936974U (en) | Low-voltage shunt release | |
| CN215869244U (en) | Circuit breaker operating mechanism | |
| CN220020977U (en) | 40.5kV permanent magnet alternating current vacuum circuit breaker | |
| CN216902700U (en) | Magnetic system holding structure of switch | |
| CN220155410U (en) | Interlocking type three-position magnetic-retaining dual-power electromagnetic switcher | |
| CN216311626U (en) | Permanent-magnet bidirectional bistable operating mechanism | |
| CN213878001U (en) | Transmission mechanism of permanent magnet circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |