CN220526850U - Electromagnetic drive closing structure - Google Patents
Electromagnetic drive closing structure Download PDFInfo
- Publication number
- CN220526850U CN220526850U CN202322197796.1U CN202322197796U CN220526850U CN 220526850 U CN220526850 U CN 220526850U CN 202322197796 U CN202322197796 U CN 202322197796U CN 220526850 U CN220526850 U CN 220526850U
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- China
- Prior art keywords
- connecting rod
- rod piece
- circuit breaker
- transmission shaft
- closing
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- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 238000010304 firing Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model belongs to the field of circuit breakers, in particular to an electromagnetic drive switching-on structure, which comprises a circuit breaker protective shell, wherein an electromagnet mounting groove is formed in one side of the top of the circuit breaker protective shell, an electromagnetic drive piece is arranged in the electromagnet mounting groove, a trigger firing pin penetrating through the outer wall of the electromagnet mounting groove is arranged on one side of the electromagnetic drive piece, a connecting rod piece A is arranged in the circuit breaker protective shell on one side of the trigger firing pin, a brake block is arranged at the tail end of the connecting rod piece A, when a short circuit occurs, a connecting rod piece B at the top of the connecting rod piece C and a locking groove are unlocked through a screw connecting rod mechanism design in an electromagnetic drive mode, and finally a switching-on transmission shaft and all the connecting rod pieces are reset to be in a switching-on state under the torsion action of a torsion spring B, so that the problem that the traditional circuit breaker needs manual switching-on is solved, the problem that operators need to personally participate in switching-on and switching-off of the traditional manual circuit breaker is avoided, and the reliability and flexibility of manual operation are limited.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to an electromagnetic drive switching-on structure.
Background
The closing mechanism is a device for controlling the closing operation of a circuit breaker or a switch. It generally comprises an electromagnet, a spring mechanism, a trigger, a driving device and other components.
The traditional breaker control method is mainly used for manually controlling the switching-on and switching-off of the breaker, operators are required to participate in the breaker in person, the reliability and the flexibility of manual operation are limited, the risk of manual misoperation can be increased, and particularly under the condition of high requirements on quick response and accurate operation;
therefore, in order to overcome the defect of manually controlling the switching-on and switching-off of the circuit breaker, an electromagnetic driving switching-on structure is provided for solving the problem.
Disclosure of Invention
In order to overcome the defects of the prior art, the traditional circuit breaker control method is mainly used for manually controlling the switching-on and switching-off of the circuit breaker, operators are required to participate in the circuit breaker in person, and the reliability and flexibility of manual operation are limited.
The technical scheme adopted for solving the technical problems is as follows: the utility model discloses an electromagnetic drive closing structure, which comprises a breaker protective shell, wherein one side of the top of the breaker protective shell is provided with an electromagnet mounting groove, an electromagnetic drive piece is mounted in the electromagnet mounting groove, one side of the electromagnetic drive piece is provided with a trigger firing pin penetrating through the outer wall of the electromagnet mounting groove, one side of the trigger firing pin is provided with a connecting rod piece A in the breaker protective shell, the tail end of the connecting rod piece A is provided with a brake block, the other side of the trigger firing pin is provided with a closing transmission shaft in the breaker protective shell, the top of the closing transmission shaft is fixedly connected with a closing handle outside the breaker protective shell, the tail end of the closing transmission shaft is rotationally connected with the middle part of the connecting rod piece B through a transmission connecting rod, one end, close to the connecting rod piece C, of the connecting rod piece B is provided with a locking block A, the locking block A is clamped into the locking groove at one end of the connecting rod piece C, the bottom of the connecting rod piece B is provided with a locking block B, and one side of the connecting rod piece E is mounted in the breaker protective shell.
Preferably, the connecting rod piece A, the closing transmission shaft, the connecting rod piece D, the connecting rod piece E and the connecting rod piece C are all rotationally connected with the inner wall of the breaker protective shell, and the connecting rod piece B, the connecting rod piece D, the locking block B and the connecting rod piece D are rotationally connected.
Preferably, a torsion spring A is sleeved on the outer side of the brake block, and the tail end of a resistance force arm of the torsion spring A is respectively positioned at the tail end of the closing transmission shaft and the side edge of the bottom of the connecting rod piece A.
Preferably, a torsion spring B is sleeved on the outer side of the closing transmission shaft, and the tail end of a resistance force arm of the torsion spring B is respectively positioned at the bottom of a limiting plate in the protective shell of the circuit breaker and the bottom of the closing transmission shaft far away from one side of the limiting plate.
Preferably, a torsion spring C is sleeved at the top of the rotating joint of the connecting rod piece C and the breaker protective shell, and the tail end of a resistance arm of the torsion spring C is respectively wound on the outer side of the transmission connecting rod and the inner wall of the breaker protective shell at the bottom of the electromagnet mounting groove.
The utility model has the advantages that:
according to the utility model, through the design of the screw link mechanism capable of automatically switching on in an electromagnetic driving mode, when a short circuit occurs, the short circuit protector pushes the link member C, so that the link member B at the top of the link member C is unlocked from the locking groove, and finally, the switching-on transmission shaft and all the link members are reset to be in a switching-on state under the torsion action of the torsion spring B until the next power-on, the switching-on operation is carried out by repeating the working principle of switching on through the electromagnetic driving member, so that the problem that the traditional circuit breaker needs to be manually switched on is solved, the problem that the traditional manual control circuit breaker needs to be manually participated by operators in switching-on and switching-off, and the problem that the reliability and flexibility of manual operation are limited is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the present utility model;
fig. 3 is an enlarged view of a partial structure of the present utility model.
In the figure: 1. a breaker protective case; 2. an electromagnetic driving member; 3. an electromagnet mounting groove; 4. a link member a; 5. a brake block; 6. triggering a firing pin; 7. a torsion spring A; 8. a closing handle; 9. closing a transmission shaft; 10. a limiting plate; 11. a torsion spring C; 12. a link member B; 13. a locking block A; 14. a locking groove; 15. a link member C; 16. a torsion spring B; 17. a transmission link; 18. a link member D; 19. a locking block B; 20. and a link member E.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an electromagnetic driving closing structure includes a breaker protection shell 1, an electromagnet installation groove 3 is provided at one side of the top of the breaker protection shell 1, an electromagnetic driving member 2 is installed in the electromagnet installation groove 3, a trigger firing pin 6 penetrating through the outer wall of the electromagnet installation groove 3 is provided at one side of the electromagnetic driving member 2, a link member A4 is installed in the breaker protection shell 1 at one side of the trigger firing pin 6, a brake block 5 is provided at the end of the link member A4, a closing transmission shaft 9 is installed in the breaker protection shell 1 at the other side of the trigger firing pin 6, the top of the closing transmission shaft 9 is fixedly connected with a closing handle 8 at the outer side of the breaker protection shell 1, the end of the closing transmission shaft 9 is rotatably connected with the middle part of a link member B12 through a transmission link 17, a link member C15 is provided in the breaker protection shell 1 at the end of the link member B12, a locking block a13 is provided at one end of the link member B12 near the link member C15, the locking block a13 is connected in the locking groove 14 at one end of the link member C15, a link member D18 is provided at the bottom, a locking block B19 is provided at the end of the link member D20, and a breaker 20 is installed in the breaker protection shell at one side of the link member B19.
When the electromagnetic switch works, the switch-on or switch-off state of the circuit breaker is automatically processed through the electrified state of the electromagnetic driving piece 2, so that the problem that the internal structure of the circuit breaker is damaged due to the traditional impact switch-off mode is avoided.
Further, the link member A4, the closing transmission shaft 9, the link member D18, the link member E20 and the link member C15 are all rotatably connected to the inner wall of the breaker protective housing 1, and the link member B12 and the link member D18, and the lock block B19 and the link member D18 are rotatably connected.
In operation, the connecting rod piece A4, the closing transmission shaft 9, the connecting rod piece B12, the connecting rod piece D18, the connecting rod piece C15 and the connecting rod piece E20 are matched with the electromagnetic driving piece 2, so that the balance state is achieved in the closing state.
Further, a torsion spring A7 is sleeved outside the brake block 5, and the tail end of a resistance force arm of the torsion spring A7 is respectively positioned at the tail end of the closing transmission shaft 9 and the side edge of the bottom of the connecting rod piece A4.
When the brake device works, torsion in a corresponding direction is provided for the brake block 5, so that the brake block 5 is matched with the rotation of the connecting rod piece A4 to achieve a stress balance state between the connecting rod pieces during closing.
Further, a torsion spring B16 is sleeved on the outer side of the closing transmission shaft 9, and the tail end of a resistance arm of the torsion spring B16 is respectively positioned at the bottom of the limiting plate 10 in the breaker protective shell 1 and the bottom of the closing transmission shaft 9 at one side far away from the limiting plate 10.
When the switching-on transmission shaft 9 works, the switching-on transmission shaft 9 provides torsion in a corresponding direction, so that the switching-on transmission shaft 9 controls the connecting rod piece to switch on.
Further, a torsion spring C11 is sleeved at the top of the rotating joint of the connecting rod piece C15 and the breaker protective housing 1, and the tail end of a resistance arm of the torsion spring C11 is respectively wound on the outer side of the transmission connecting rod 17 and the inner wall of the breaker protective housing 1 at the bottom of the electromagnet mounting groove 3.
When the connecting rod piece C15 works, the connecting rod piece C15 provides torsion in a corresponding direction, so that the connecting rod piece C15 is matched with each connecting rod piece to achieve a stress balance state in a closing state.
Working principle: in the original state of opening, the tail end of the closing transmission shaft 9 and the brake block 5 are respectively positioned at the upper end and the lower end of the triggering firing pin 6 and are mutually contacted with the triggering firing pin 6, at the moment, current is electrified through the electromagnetic driving piece 2, so that the triggering firing pin 6 is driven to push the bottom of the closing transmission shaft 9 to enable the closing transmission shaft 9 to rotate clockwise, then the transmission connecting rod 17 drives the connecting rod piece B12 and the connecting rod piece D18 to rotate, the connecting rod piece B12 and the locking groove 14 are locked at the maximum rotation angle of the closing transmission shaft 9, finally a stress balance state is formed between the transmission connecting rod 17 and the connecting rod piece B12 and the connecting rod piece D18, meanwhile, after the tail end of the closing transmission shaft 9 is not blocked, the brake block 5 can rotate to the side of the triggering firing pin 6 along the outer side of the connecting rod piece A4 through the torsion spring A7, closing operation is completed, when short circuit occurs, the short circuit protector pushes the connecting rod piece C15, so that the connecting rod piece B12 at the top of the connecting rod piece C15 is unlocked, and finally all the connecting rod pieces are reset to be in a brake state under the torsion action of the torsion spring B16 until the next time, and the electromagnetic driving operation is carried out by the operating principle when the electromagnetic driving is repeated.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (5)
1. An electromagnetic drive closing structure, its characterized in that: including circuit breaker protective housing (1), electro-magnet mounting groove (3) have been seted up to circuit breaker protective housing (1) top one side, install electromagnetic drive spare (2) in electro-magnet mounting groove (3), electromagnetic drive spare (2) one side is equipped with trigger firing pin (6) that pass electro-magnet mounting groove (3) outer wall, install link spare A (4) in trigger firing pin (6) one side circuit breaker protective housing (1), link spare A (4) end is equipped with brake shoe (5), install closing transmission shaft (9) in trigger firing pin (6) opposite side circuit breaker protective housing (1), closing transmission shaft (9) top are located circuit breaker protective housing (1) outside and closing handle (8) fixed connection, closing transmission shaft (9) end is equipped with link spare C (15) through transmission connecting rod (17) and link spare B (12) middle part rotation connection, link spare B (12) terminal circuit breaker protective housing (1) is equipped with link spare C (15), link spare B (12) are close to link spare C (15) one end and are equipped with locking piece A (13), locking piece A (13) are equipped with in connecting rod spare C (15) one end, link spare C (14) one end (14), the tail end of the connecting rod piece D (18) is provided with a locking block B (19), and a connecting rod piece E (20) is installed in the breaker protective shell (1) on one side of the locking block B (19).
2. An electromagnetically driven switching-on structure as claimed in claim 1, wherein: the connecting rod piece A (4), the closing transmission shaft (9), the connecting rod piece D (18), the connecting rod piece E (20) and the connecting rod piece C (15) are all rotationally connected with the inner wall of the breaker protective shell (1), and the connecting rod piece B (12), the connecting rod piece D (18), the locking block B (19) and the connecting rod piece D (18) are rotationally connected.
3. An electromagnetically driven closing structure as claimed in claim 2, wherein: the brake block (5) outside cover is equipped with torsion spring A (7), the resistance arm end of torsion spring A (7) is located the bottom side of combined floodgate transmission shaft (9) and connecting rod spare A (4) respectively.
4. An electromagnetically driven closing structure as claimed in claim 3, wherein: the outer side of the closing transmission shaft (9) is sleeved with a torsion spring B (16), and the tail end of a resistance arm of the torsion spring B (16) is respectively positioned at the bottom of a limiting plate (10) in the breaker protective shell (1) and the bottom of the closing transmission shaft (9) at one side far away from the limiting plate (10).
5. An electromagnetically driven closing structure as claimed in claim 4, wherein: the top of the rotating joint of the connecting rod piece C (15) and the breaker protective housing (1) is sleeved with a torsion spring C (11), and the tail end of a resistance arm of the torsion spring C (11) is respectively wound on the outer side of the transmission connecting rod (17) and the inner wall of the breaker protective housing (1) at the bottom of the electromagnet mounting groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322197796.1U CN220526850U (en) | 2023-08-16 | 2023-08-16 | Electromagnetic drive closing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322197796.1U CN220526850U (en) | 2023-08-16 | 2023-08-16 | Electromagnetic drive closing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220526850U true CN220526850U (en) | 2024-02-23 |
Family
ID=89934769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322197796.1U Active CN220526850U (en) | 2023-08-16 | 2023-08-16 | Electromagnetic drive closing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220526850U (en) |
-
2023
- 2023-08-16 CN CN202322197796.1U patent/CN220526850U/en active Active
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