CN116313670A - Manual switching-on and switching-off operation device of permanent magnet mechanism - Google Patents
Manual switching-on and switching-off operation device of permanent magnet mechanism Download PDFInfo
- Publication number
- CN116313670A CN116313670A CN202310045034.1A CN202310045034A CN116313670A CN 116313670 A CN116313670 A CN 116313670A CN 202310045034 A CN202310045034 A CN 202310045034A CN 116313670 A CN116313670 A CN 116313670A
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- permanent magnet
- magnet mechanism
- operation device
- closing operation
- manual opening
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- 230000007246 mechanism Effects 0.000 title claims abstract description 101
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000003068 static effect Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Classifications
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- 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
- H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
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- 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/54—Manual reset mechanisms which may be also used for manual release actuated by tumbler
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a manual opening and closing operation device of a permanent magnet mechanism, which comprises a handle, a connecting block, a fixed seat, a permanent magnet mechanism housing, a permanent magnet mechanism main shaft, a movable iron core and a static iron core, wherein the manual opening and closing operation device is used in combination, and the manual opening and closing operation device has the characteristics of simple structure, simplicity and convenience in operation and high reliability when the manual opening and closing operation device is not needed, and can be directly removed from the permanent magnet mechanism without increasing the volume of a circuit breaker.
Description
Technical Field
The invention relates to the field of switching equipment, in particular to a manual opening and closing operation device of a permanent magnet mechanism.
Background
The circuit breaker adopting the permanent magnet operating mechanism has the advantages of small volume, light weight, frequent operation and the like, and is widely applied to the field of circuit breakers. The permanent magnet operating mechanism is generally provided with a permanent magnet mechanism housing, a main shaft, a movable iron core and a static iron core, the movable iron core is kept at a closing position by adopting a permanent magnet, and when the switch is opened, reverse current is applied to the coil, so that a magnetic field generated by the permanent magnet material at the iron core and the coil is counteracted, and the switch opening operation is realized. However, the permanent magnet operating mechanism needs to be provided with a manual opening and closing operation device besides adopting an electric loop to control the opening and closing operation of the circuit breaker, so that the manual opening and closing operation is carried out on the permanent magnet operating mechanism when the electric loop breaks down or the circuit breaker is overhauled and debugged.
For example, chinese patent publication No. CN214797296U discloses a manual opening and closing operation device of a circuit breaker, which includes a handle, a support plate, an electromagnet mechanism, and a connection block; the handle comprises a handle body, a brake-separating supporting rod, a brake-closing supporting rod, a supporting part and a groove; the handle comprises a brake separating working section, a brake closing working section and a connecting section for connecting the brake separating working section and the brake closing working section; one end of the movable iron core is fixedly connected with one end of the movable iron core tail rod, the other end of the movable iron core is fixedly connected with a connecting block, and the connecting block is connected with a switching-on and switching-off mechanism of the circuit breaker.
As another example, chinese patent with publication number CN208819756U discloses a permanent magnetic mechanism of a high-voltage circuit breaker with manual opening and closing, which comprises a permanent magnetic mechanism body and a manual opening and closing device, wherein the manual opening and closing device is arranged above the top end surface of the permanent magnetic mechanism body, and the manual opening and closing device comprises a pull rod, a fulcrum and a connecting rod. When the power failure or the control box can not work, the pull rod of the manual opening and closing is pulled downwards, and the connecting rod of the manual opening and closing drives the driving shaft of the permanent magnet mechanism body to move up and down, so that the circuit breaker is connected or disconnected.
In summary, the circuit breaker of the existing permanent magnet operating mechanism has a plurality of defects, and is summarized as follows:
(1) most of manual opening and closing operation devices of the permanent magnet mechanism of the circuit breaker at the present stage have the defects of complex structure, troublesome operation and low reliability;
(2) the first manual opening and closing operation device can directly perform opening and closing operation without an electric loop, but the handle of the manual opening and closing operation device is complex to process, and has the defects of high cost and complex mechanism;
(3) the principle of the permanent magnet mechanism of the second type of high-voltage circuit breaker is easy to understand, the working efficiency is high, but the permanent magnet mechanism of the high-voltage circuit breaker needs to be provided with a pull rod, a fulcrum and a connecting rod which are fixed with a permanent magnet mechanism body, and the defects of complex mechanism and low reliability exist.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a manual opening and closing operation device of a permanent magnet mechanism, which aims to solve the problems.
In order to achieve the above object, the present invention is achieved by the following technical scheme.
A manual opening and closing operation device of a permanent magnet mechanism, which comprises a handle, a connecting block, a fixed seat, a permanent magnet mechanism housing, a permanent magnet mechanism main shaft, a movable iron core and a static iron core,
the permanent magnet mechanism main shaft is fixed on the movable iron core, the static iron core is arranged in the permanent magnet mechanism housing, the permanent magnet mechanism main shaft and the movable iron core can do linear reciprocating motion in the permanent magnet mechanism housing and the static iron core along the direction of the permanent magnet mechanism main shaft,
the connecting blocks are respectively connected with the handle and the permanent magnet mechanism main shaft,
the permanent magnet mechanism is characterized by simple structure, simple operation and high reliability, and when the manual opening and closing operation device is not needed, the operation device can be directly detached from the permanent magnet mechanism, so that the volume of the circuit breaker can not be increased.
Preferably, the fixing seat is provided with a fixing seat moving groove and a fixing seat mounting hole.
Preferably, a spindle threaded hole is formed in the end portion of the permanent magnet mechanism spindle.
Preferably, a cover screw hole is arranged on the permanent magnet mechanism cover.
Preferably, the connecting block is provided with a connecting block screw rod and a connecting block fixing hole.
Preferably, the connecting block can be screwed into the spindle threaded hole by a connecting block screw.
Preferably, the handle comprises an upper support rod and a lower support rod.
Preferably, the upper support rod can be inserted into a connecting block fixing hole on the connecting block, and the lower support rod can be inserted into a fixing seat moving groove on the fixing seat.
Preferably, the lower support rod can do linear reciprocating motion in the fixed seat motion groove.
Preferably, the fixing seat is fixed on the permanent magnet mechanism housing through a fixing seat mounting hole.
Compared with the prior art, the invention discloses a manual opening and closing operation device of a permanent magnet mechanism, which comprises a handle, a connecting block, a fixed seat, a permanent magnet mechanism housing, a permanent magnet mechanism main shaft, a movable iron core and a static iron core, wherein the manual opening and closing operation device is mutually combined to play a role.
Drawings
FIG. 1 is a schematic diagram of a manual opening and closing operation device of a permanent magnet mechanism of the present invention;
fig. 2 is a schematic structural diagram of a manual opening and closing operation device of the permanent magnet mechanism of the invention;
FIG. 3 is a schematic diagram of a manual opening and closing operation device of the permanent magnet mechanism of the present invention;
fig. 4 is a schematic structural diagram of a manual opening and closing operation device of the permanent magnet mechanism of the present invention;
fig. 5 is a schematic structural diagram of a manual opening and closing operation device of the permanent magnet mechanism of the present invention;
FIG. 6 is a schematic view of the handle of the present invention;
FIG. 7 is a schematic view of the structure of the connecting block of the present invention;
fig. 8 is a schematic structural view of the fixing base of the present invention.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
The manual opening and closing operation device of the permanent magnet mechanism comprises a handle 1, a connecting block 2, a fixed seat 3, a permanent magnet mechanism housing 4, a permanent magnet mechanism main shaft 5, a movable iron core 6 and a static iron core 7, wherein the permanent magnet mechanism main shaft 5 is fixed on the movable iron core 6, the static iron core 7 is arranged in the permanent magnet mechanism housing 4, the permanent magnet mechanism main shaft 5 and the movable iron core 6 can do linear reciprocating motion in the permanent magnet mechanism housing 4 and the static iron core 7 along the direction of the permanent magnet mechanism main shaft 5, the connecting block 2 is respectively connected with the handle 1 and the permanent magnet mechanism main shaft 5, and the fixed seat 3 is fixed on the permanent magnet mechanism housing 4 and is movably connected with the handle 1. The fixed seat 3 is provided with a fixed seat moving groove 16 and a fixed seat mounting hole 17. The end part of the permanent magnet mechanism spindle 5 is provided with a spindle threaded hole 15. The permanent magnet mechanism housing 4 is provided with a housing threaded hole 18. The connecting block 2 is provided with a connecting block screw 13 and a connecting block fixing hole 14. The connecting block 2 can be screwed into the spindle threaded bore 15 by a connecting block screw 13. The handle 1 comprises an upper support rod 11 and a lower support rod 12. The upper support rod 11 can be inserted into a connecting block fixing hole 14 on the connecting block 2, and the lower support rod 12 can be inserted into a fixing seat moving groove 16 on the fixing seat 3. The lower support bar 12 can move linearly back and forth in the fixing seat moving groove 16. The fixed seat 3 is fixed on the permanent magnet mechanism housing 4 through a fixed seat mounting hole 17. When the manual operation device is not needed, the connecting block 2 can be removed from the permanent magnet mechanism main shaft 5, and the fixing seat 3 can be removed from the permanent magnet mechanism housing 4.
Mounting and dismounting a manual opening and closing operation device: as shown in fig. 1 and 2, when the circuit breaker needs to be installed with a manual opening and closing operation device, the connection block screw 13 on the connection block 2 can be screwed into the spindle screw hole 15 of the permanent magnet mechanism spindle 5, thereby fixing the connection block 2 on the permanent magnet mechanism spindle 5. And simultaneously, the fixing seat mounting holes 17 on the fixing seat 3 are screwed into the cover screw holes 18 on the permanent magnet mechanism cover 4 by adopting screws, so that the fixing seat 3 is fixed on the permanent magnet mechanism cover 4.
When the circuit breaker does not need to be provided with a manual opening and closing operation device, the connecting block screw rod 13 on the connecting block 2 can be unscrewed from the main shaft threaded hole 15 of the main shaft 5 of the permanent magnet mechanism, and the connecting block 2 can be removed from the main shaft 5 of the permanent magnet mechanism. And simultaneously, the screw is unscrewed from the threaded hole 18 of the upper cover shell of the permanent magnet mechanism cover shell 4, so that the fixing seat 3 can be taken off from the permanent magnet mechanism cover shell 4.
Manual brake separating process: as shown in fig. 1 and 3, the permanent magnet mechanism is not electrified in the initial state, and is in a closing position. At this time, the movable iron core 6 is attached to the stationary iron core 7. The upper support bar 11 of the handle 1 is inserted into the connection block fixing hole 14, and the lower support bar 12 is inserted into the fixing seat moving groove 16. The lower support bar 12 is positioned at the lower end of the holder moving groove 16. In the manual brake separating process, the handle 1 is rotated clockwise, the lower support rod 12 moves upwards along the fixed seat movement groove 16, and the handle 1 pulls the permanent magnet mechanism main shaft 5 connected with the connecting block 2 and the connecting block 2, so that the movable iron core 6 is driven to move in a direction away from the static iron core 7. When the movable iron core 6 is contacted with the permanent magnet mechanism housing 4, the permanent magnet mechanism reaches a brake separating position, and the brake separating process is finished. The lower support bar 12 is positioned at the upper end of the holder moving groove 16.
Manual closing process: as shown in fig. 2 and 4, the permanent magnet mechanism is not electrified in the initial state, and is in the opening position. At this time, the movable iron core 6 is attached to the permanent magnet mechanism housing 4. The upper support bar 11 of the handle 1 is inserted into the connection block fixing hole 14, and the lower support bar 12 is inserted into the fixing seat moving groove 16. The lower support bar 12 is positioned at the upper end of the holder moving groove 16. In the manual closing process, the handle 1 is rotated anticlockwise, the lower support rod 12 moves downwards along the fixed seat movement groove 16, and the handle 1 pulls the connecting block 2 and the permanent magnet mechanism main shaft 5 connected with the connecting block 2, so that the movable iron core 6 is driven to move towards the direction approaching the static iron core 7. When the movable iron core 6 is contacted with the static iron core 7, the permanent magnet mechanism reaches a closing position, and the closing process is finished. The lower support bar 12 is positioned at the lower end of the holder moving groove 16.
Example 2
Based on the other technical characteristics, the upper support rod 11 and the lower support rod 12 can be welded on the handle 1 in a stud mode.
Example 3
Based on the other technical features, the upper support rod 11 and the lower support rod 12 can be fixed on the handle 1 in a threaded manner.
Example 4
Based on the other technical characteristics, the handle 1 can be in a strip structure or a columnar structure.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A manual opening and closing operation device of a permanent magnet mechanism is characterized in that: comprises a handle (1), a connecting block (2), a fixed seat (3), a permanent magnet mechanism housing (4), a permanent magnet mechanism main shaft (5), a movable iron core (6) and a static iron core (7),
the permanent magnet mechanism main shaft (5) is fixed on the movable iron core (6), the static iron core (7) is arranged in the permanent magnet mechanism housing (4), the permanent magnet mechanism main shaft (5) and the movable iron core (6) can do linear reciprocating motion in the permanent magnet mechanism housing (4) and the static iron core (7) along the direction of the permanent magnet mechanism main shaft (5),
the connecting block (2) is respectively connected with the handle (1) and the permanent magnet mechanism main shaft (5),
the fixing seat (3) is fixed on the permanent magnet mechanism housing (4) and is movably connected with the handle (1).
2. The manual opening and closing operation device of a permanent magnet mechanism according to claim 1, wherein: the fixing seat (3) is provided with a fixing seat movement groove (16) and a fixing seat mounting hole (17).
3. The manual opening and closing operation device of a permanent magnet mechanism according to claim 2, wherein: the end part of the permanent magnet mechanism main shaft (5) is provided with a main shaft threaded hole (15).
4. The manual opening and closing operation device of a permanent magnet mechanism according to claim 3, wherein: the permanent magnet mechanism housing (4) is provided with a housing threaded hole (18).
5. The manual opening and closing operation device of a permanent magnet mechanism according to claim 4, wherein: the connecting block (2) is provided with a connecting block screw (13) and a connecting block fixing hole (14).
6. The manual opening and closing operation device of a permanent magnet mechanism according to claim 5, wherein: the connecting block (2) can be screwed into the spindle threaded hole (15) through the connecting block screw rod (13).
7. The manual opening and closing operation device of a permanent magnet mechanism according to claim 6, wherein: the handle (1) comprises an upper supporting rod (11) and a lower supporting rod (12).
8. The manual opening and closing operation device of a permanent magnet mechanism according to claim 7, wherein: the upper support rod (11) can be inserted into a connecting block fixing hole (14) on the connecting block (2), and the lower support rod (12) can be inserted into a fixing seat moving groove (16) on the fixing seat (3).
9. The manual opening and closing operation device of a permanent magnet mechanism according to claim 8, wherein: the lower support rod (12) can do linear reciprocating motion in the fixed seat motion groove (16).
10. The manual opening and closing operation device of a permanent magnet mechanism according to claim 9, wherein: the fixing seat (3) is fixed on the permanent magnet mechanism housing (4) through a fixing seat mounting hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310045034.1A CN116313670A (en) | 2023-01-30 | 2023-01-30 | Manual switching-on and switching-off operation device of permanent magnet mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310045034.1A CN116313670A (en) | 2023-01-30 | 2023-01-30 | Manual switching-on and switching-off operation device of permanent magnet mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116313670A true CN116313670A (en) | 2023-06-23 |
Family
ID=86833189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310045034.1A Pending CN116313670A (en) | 2023-01-30 | 2023-01-30 | Manual switching-on and switching-off operation device of permanent magnet mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116313670A (en) |
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2023
- 2023-01-30 CN CN202310045034.1A patent/CN116313670A/en active Pending
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