CN109950101B - Operating mechanism of outdoor high-voltage circuit breaker, outdoor high-voltage circuit breaker and use method - Google Patents
Operating mechanism of outdoor high-voltage circuit breaker, outdoor high-voltage circuit breaker and use method Download PDFInfo
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- CN109950101B CN109950101B CN201910283100.2A CN201910283100A CN109950101B CN 109950101 B CN109950101 B CN 109950101B CN 201910283100 A CN201910283100 A CN 201910283100A CN 109950101 B CN109950101 B CN 109950101B
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Abstract
An operating mechanism of an outdoor high-voltage circuit breaker and a use method thereof. The high-voltage circuit breaker mainly solves the problem that most of high-voltage circuit breakers in the market at present are provided with only one release and cannot meet specific requirements. The invention provides an operating mechanism of an outdoor high-voltage circuit breaker, the outdoor high-voltage circuit breaker and a use method thereof.
Description
Technical Field
The invention relates to the field of high-voltage electrical appliances, in particular to an operating mechanism of an outdoor high-voltage circuit breaker, the outdoor high-voltage circuit breaker and a use method.
Background
The outdoor high-voltage circuit breaker is control protection equipment in a rated voltage 24KV and 50HZ alternating current three-phase high-voltage distribution network. The device is mainly used for switching on and off load current, overload current and short-circuit current in a power line. The method is suitable for protecting and controlling the power distribution system of the transformer substation and industrial and mining enterprises.
Most of the high-voltage circuit breakers in the market at present are provided with only one release, and cannot meet specific requirements.
Disclosure of Invention
In order to overcome the defects of the background technology, the invention provides an operating mechanism of an outdoor high-voltage circuit breaker and the outdoor high-voltage circuit breaker, and mainly solves the problem that most of the high-voltage circuit breakers on the market at present are provided with only one release and cannot meet specific requirements.
The technical scheme adopted by the invention is as follows:
the operating mechanism of the outdoor high-voltage circuit breaker comprises a mounting frame, wherein a first release and a rotatable closing main shaft are arranged on the mounting frame, the first release drives the closing main shaft to break through a first transmission mechanism, the operating mechanism also comprises a second release, and the second release drives the closing main shaft to break through a second transmission mechanism.
The induction sources of the first release and the second release are different or the induction intervals are different.
The second transmission mechanism comprises a brake-separating half shaft, a transmission plate is arranged on the brake-separating half shaft, the second release comprises a push rod, and the push rod and the transmission plate are correspondingly arranged to push the transmission plate to rotate so as to drive the brake-separating half shaft to rotate to realize breaking;
the automatic closing machine further comprises a reset mechanism, wherein the mounting frame is provided with a pressing plate corresponding to the ejector rod, and the pressing plate is driven to move by the reset mechanism when the closing main shaft is closed, so that the ejector rod is reset.
The reset mechanism comprises a cam and a lever which is rotatably arranged on the mounting frame, the cam and the closing main shaft synchronously rotate, one end of the lever is correspondingly arranged with the cam, and the other end of the lever is connected with one end of the pressing plate through an elastic connecting piece.
The transmission plate is correspondingly arranged above the ejector rod, the pressing plate is correspondingly arranged above the ejector rod, and the pressing plate is provided with a through groove for the ejector rod to pass through.
The top of the ejector rod is provided with a boss with a larger diameter, and the width of the through groove is smaller than the diameter of the boss.
The mounting frame is provided with a first rotating shaft and a fixed shaft, the pressing plate is in hinged fit with the rotating shaft, and an elastic piece is arranged between the upper wall of one end of the pressing plate and the fixed shaft.
The mounting frame comprises a front plate and a rear plate, the first release is mounted on the front plate, and the second release is mounted on the rear plate.
The outdoor high-voltage circuit breaker comprises a shell, and an operating mechanism of the outdoor high-voltage circuit breaker is arranged in the shell.
The application method of the outdoor high-voltage circuit breaker comprises the steps of quickly starting a protection device and a second release, and is characterized in that: comprises the steps of,
step one, starting a quick start protection device, collecting line voltage and current, if a line fails or has a fault in the starting process, entering step two, if the line has no fault, entering step four,
step two, the ejector rod of the second release extends out of the ejection opening closing half shaft, at the moment, the system cannot be started,
step three, removing faults, resetting the ejector rod of the second release through the closing half shaft,
and step four, normally starting the system.
The beneficial effects of the invention are as follows: the invention provides an operating mechanism of an outdoor high-voltage circuit breaker, the outdoor high-voltage circuit breaker and a use method thereof.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of one embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view of one embodiment of the present invention.
Fig. 4 is a schematic perspective view of a platen according to an embodiment of the present invention.
Fig. 5 is a perspective view of a lever according to an embodiment of the present invention.
Fig. 6 is a perspective view of an outdoor high voltage circuit breaker with the present mechanism.
Detailed Description
The invention is further described below with reference to the accompanying drawings: as shown in the figure, the operating mechanism of the outdoor high-voltage circuit breaker comprises a mounting frame 1, wherein a first release 7 and a rotatable closing main shaft 2 are arranged on the mounting frame, the first release drives the closing main shaft to be disconnected through a first transmission mechanism, the operating mechanism also comprises a second release 4, and the second release drives the closing main shaft to be disconnected through a second transmission mechanism. The invention provides an operating mechanism of an outdoor high-voltage circuit breaker, the outdoor high-voltage circuit breaker and a use method thereof. How to drive the breaking when the brake separating half shaft rotates, how to switch on the brake closing main shaft is the prior art, the description is omitted, one of the embodiments can be seen in the Chinese patent with the publication number of CN 208298749U, a transmission plate is arranged on the brake separating half shaft, the brake separating half shaft can be connected or welded and installed through a screw, a release acts, the ejector rod stretches out to push the transmission plate, and then the brake separating half shaft is driven to rotate to realize breaking, when the brake closing main shaft rotates (can drive a rotating gear 91 or manually through a brake closing motor 90 and the motor on the drawing), the ejector rod is reset by driving a pressing plate to move through a reset mechanism, and the pressing plate can be hinged with a mounting frame in a sliding fit mode to realize movement. The first release can also drive the brake-separating half shaft to rotate to realize breaking by pushing the rotating plate 30 on the brake-separating half shaft.
In this embodiment, the induction sources of the first trip unit and the second trip unit are different or the induction intervals are different. The induction sources are different, namely, the induction sources can be induced through current and signal, for example, the first release adopts signal induction, the second release adopts current induction, the induction interval is different, the induction current interval of the first release can be 1 ma-10 ma, the induction interval of the second release is 10 ma-10A, and the like, in addition, the first release can select a coil release, the second release can select an electromagnet, and the induction sources can both belong to different points.
In this embodiment, as shown in the figure, the second transmission mechanism includes a brake-separating half shaft 3, a transmission plate 31 is disposed on the brake-separating half shaft, the second release includes a push rod 41, and the push rod and the transmission plate are correspondingly disposed to push the transmission plate to rotate so as to drive the brake-separating half shaft to rotate to realize breaking; the automatic closing machine further comprises a reset mechanism, wherein the mounting frame is provided with a pressing plate 51 corresponding to the ejector rod, and the pressing plate is driven by the reset mechanism to move so as to reset the ejector rod when the closing main shaft is closed.
In this embodiment, as shown in fig. 2, the reset mechanism includes a cam 52 and a lever 53 rotatably disposed on the mounting frame, where the cam rotates synchronously with the closing main shaft, one end of the lever is disposed corresponding to the cam, and the other end of the lever is connected to one end of the pressing plate through an elastic connection member 54. The cam rotates anticlockwise along with the closing main shaft to drive the lever to rotate clockwise, and the lever drives the pressing plate to press down to reset the ejector rod.
In this embodiment, as shown in the drawing, the transmission plate is correspondingly disposed above the ejector pins, the pressing plate is correspondingly disposed above the ejector pins, and the pressing plate is provided with a through slot 511 through which the ejector pins pass. The ejector rod passes through the through groove to contact with the transmission plate when extending out, so that the structure is compact and the use is convenient.
In this embodiment, as shown in the figure, the top of the ejector rod is provided with a boss 411 with a larger diameter, and the width of the through slot is smaller than the diameter of the boss. The boss can be conveniently pressed when the boss is pressed down.
In this embodiment, as shown in the figure, the mounting frame is provided with a first rotating shaft 11 and a fixed shaft 12, the pressing plate is hinged to the rotating shaft, and an elastic member 13 is arranged between an upper wall of one end of the pressing plate and the fixed shaft 12. The elastic connecting piece is adopted for pulling, so that the buffer effect is achieved, and the use effect is better.
In this embodiment, as shown, the bottom of the pressing plate is provided with a protrusion 512 for pressing the boss. When the pressing plate is pressed down, the boss is pressed through the bulge, so that the force is convenient to apply.
In this embodiment, as shown in the drawing, the mounting frame is provided with a second rotating shaft 131, the middle end of the lever is provided with a hinge hole 531 hinged to the second rotating shaft, one end of the lever is provided with a first cross bar 532 corresponding to the cam, and the other end of the lever is provided with a second cross bar 533 connected to the elastic connecting piece. The structure is compact.
In this embodiment, as shown in the drawing, the first cross bar and the second cross bar are both provided with avoidance grooves 534. And the device can not interfere with other parts in the mounting frame.
In this embodiment, as shown in the figure, the outdoor high-voltage circuit breaker includes a housing 9, in which an operating mechanism of the outdoor high-voltage circuit breaker as described above is disposed.
In this embodiment, as shown, the mounting frame includes a front plate 101 and a rear plate 102, the first release is mounted on the front plate, and the second release is mounted on the rear plate. The whole structure is compact, and the space is reasonably utilized.
The outdoor high-voltage circuit breaker is characterized in that the operating mechanism of the outdoor high-voltage circuit breaker is arranged in the shell.
The using method of the outdoor high-voltage circuit breaker comprises the steps of quickly starting a protection device and a second release,
step one, starting a quick start protection device, collecting line voltage and current, if a line fails or has a fault in the starting process, entering step two, if the line has no fault, entering step four,
step two, the ejector rod of the second release extends out of the ejection opening closing half shaft, at the moment, the system cannot be started,
step three, removing faults, resetting the ejector rod of the second release through the closing half shaft,
and step four, normally starting the system.
The quick start protection device is a Chinese patent with the application number of 201821497206X and the patent name of quick start protection device (the applicant applies for the same), and the quick start protection device detection system is used before the system is started, so that the method is used, and the use is safer.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The embodiments described with reference to the drawings are exemplary and intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the invention, but any modifications based on the spirit of the invention should be within the scope of the invention.
Claims (7)
1. The utility model provides an operating device of outdoor high voltage circuit breaker, includes mounting bracket (1), be equipped with first release (7) and rotatable closing main shaft (2) on the mounting bracket, first release drives through first drive mechanism closing main shaft breaks its characterized in that: the second release (4) drives the closing main shaft to break through a second transmission mechanism;
the second transmission mechanism comprises a brake-separating half shaft (3), a transmission plate (31) is arranged on the brake-separating half shaft, the second release comprises a push rod (41), and the push rod and the transmission plate are correspondingly arranged to push the transmission plate to rotate so as to drive the brake-separating half shaft to rotate to realize breaking;
the device also comprises a reset mechanism, wherein a pressing plate (51) is arranged on the mounting frame corresponding to the ejector rod, and the pressing plate is driven to move by the reset mechanism when the closing main shaft is closed so as to reset the ejector rod;
the reset mechanism comprises a cam (52) and a lever (53) rotatably arranged on the mounting frame, the cam and the closing main shaft synchronously rotate, one end of the lever is correspondingly arranged with the cam, and the other end of the lever is connected with one end of the pressing plate through an elastic connecting piece (54); the induction sources of the first release and the second release are different or the induction intervals are different.
2. The operating mechanism for an outdoor high voltage circuit breaker of claim 1 wherein: the transmission plate is correspondingly arranged above the ejector rod, the pressing plate is correspondingly arranged above the ejector rod, and a through groove (511) used for the ejector rod to pass through is formed in the pressing plate.
3. The operating mechanism for an outdoor high-voltage circuit breaker according to claim 2, wherein: the top of the ejector rod is provided with a boss (411) with a larger diameter, and the width of the through groove is smaller than the diameter of the boss.
4. An operating mechanism for an outdoor high-voltage circuit breaker according to claim 3, characterized in that: the mounting frame is provided with a first rotating shaft (11) and a fixed shaft (12), the pressing plate is in hinged fit with the first rotating shaft, and an elastic piece (13) is arranged between the upper wall of one end of the pressing plate and the fixed shaft (12).
5. The operating mechanism for an outdoor high-voltage circuit breaker of claim 4, wherein: the mounting frame comprises a front plate (101) and a rear plate (102), the first release is mounted on the front plate, and the second release is mounted on the rear plate.
6. Outdoor high voltage circuit breaker, including casing (9), its characterized in that: an operating mechanism of the outdoor high-voltage circuit breaker as claimed in any one of claims 1 to 5 is arranged in the shell.
7. The method of using the outdoor high voltage circuit breaker of claim 6, comprising a quick start protection device and a second release, wherein: comprises the steps of,
step one, starting a quick start protection device, collecting line voltage and current, if a line fails or has a fault in the starting process, entering step two, if the line has no fault, entering step four,
step two, the ejector rod of the second release extends out of the ejection opening closing half shaft, at the moment, the system cannot be started,
step three, removing faults, resetting the ejector rod of the second release through the closing half shaft,
and step four, normally starting the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283100.2A CN109950101B (en) | 2019-04-10 | 2019-04-10 | Operating mechanism of outdoor high-voltage circuit breaker, outdoor high-voltage circuit breaker and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283100.2A CN109950101B (en) | 2019-04-10 | 2019-04-10 | Operating mechanism of outdoor high-voltage circuit breaker, outdoor high-voltage circuit breaker and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109950101A CN109950101A (en) | 2019-06-28 |
| CN109950101B true CN109950101B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910283100.2A Active CN109950101B (en) | 2019-04-10 | 2019-04-10 | Operating mechanism of outdoor high-voltage circuit breaker, outdoor high-voltage circuit breaker and use method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111326366A (en) * | 2020-03-28 | 2020-06-23 | 天津市华明合兴机电设备有限公司 | Fault arc protection circuit breaker with double tripper and tripping method thereof |
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| WO2007087761A1 (en) * | 2006-01-31 | 2007-08-09 | Siemens Aktiengesellschaft | Circuit breaker |
| CN101512704A (en) * | 2006-09-21 | 2009-08-19 | 西门子公司 | Auxiliary releases for circuit breakers |
| CN201332054Y (en) * | 2009-01-17 | 2009-10-21 | 佛山市顺德森源电气有限公司 | Overcurrent trip module of high-voltage vacuum circuit breaker |
| CN201673870U (en) * | 2010-05-10 | 2010-12-15 | 浙江天正电气股份有限公司 | Universal circuit breaker operating mechanism |
| CN102446653A (en) * | 2010-10-14 | 2012-05-09 | 常熟市通润开关厂有限公司 | GIS high-voltage alternating-current vacuum circuit breaker operating mechanism |
| WO2016008251A1 (en) * | 2014-07-17 | 2016-01-21 | 谢翠斌 | Modular breaker |
| CN107833803A (en) * | 2016-09-16 | 2018-03-23 | 施耐德电器工业公司 | Switching device including resetting means |
| CN209626160U (en) * | 2019-04-10 | 2019-11-12 | 宏秀电气有限公司 | The operating mechanism and outdoor high voltage circuit breaker of outdoor high voltage circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009007586A1 (en) * | 2009-02-05 | 2010-08-19 | Saia-Burgess Dresden Gmbh | Tripping device, in particular for circuit breakers |
-
2019
- 2019-04-10 CN CN201910283100.2A patent/CN109950101B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007087761A1 (en) * | 2006-01-31 | 2007-08-09 | Siemens Aktiengesellschaft | Circuit breaker |
| CN101512704A (en) * | 2006-09-21 | 2009-08-19 | 西门子公司 | Auxiliary releases for circuit breakers |
| CN201332054Y (en) * | 2009-01-17 | 2009-10-21 | 佛山市顺德森源电气有限公司 | Overcurrent trip module of high-voltage vacuum circuit breaker |
| CN201673870U (en) * | 2010-05-10 | 2010-12-15 | 浙江天正电气股份有限公司 | Universal circuit breaker operating mechanism |
| CN102446653A (en) * | 2010-10-14 | 2012-05-09 | 常熟市通润开关厂有限公司 | GIS high-voltage alternating-current vacuum circuit breaker operating mechanism |
| WO2016008251A1 (en) * | 2014-07-17 | 2016-01-21 | 谢翠斌 | Modular breaker |
| CN107833803A (en) * | 2016-09-16 | 2018-03-23 | 施耐德电器工业公司 | Switching device including resetting means |
| CN209626160U (en) * | 2019-04-10 | 2019-11-12 | 宏秀电气有限公司 | The operating mechanism and outdoor high voltage circuit breaker of outdoor high voltage circuit breaker |
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| CN109950101A (en) | 2019-06-28 |
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