CN111900048A - Emergency brake-separating mechanism of circuit breaker - Google Patents
Emergency brake-separating mechanism of circuit breaker Download PDFInfo
- Publication number
- CN111900048A CN111900048A CN202010928862.6A CN202010928862A CN111900048A CN 111900048 A CN111900048 A CN 111900048A CN 202010928862 A CN202010928862 A CN 202010928862A CN 111900048 A CN111900048 A CN 111900048A
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- CN
- China
- Prior art keywords
- circuit breaker
- opening mechanism
- emergency opening
- driving unit
- driving
- 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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- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- 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
Landscapes
- Breakers (AREA)
Abstract
The invention discloses an emergency opening mechanism of a circuit breaker, which comprises: the fixing seat comprises an attachment foot which can be detachably attached and fixed on the cabinet body; the driving unit is arranged on the fixed seat and used for driving the ejector to move so as to push the emergency brake-separating tripping button of the circuit breaker; and the control unit is used for controlling the driving unit to start to switch off after receiving the switching-off signal. At this urgent separating brake mechanism of circuit breaker, adopted detachable to adhere to the foot, can dismantle and fix on the cabinet body to make can be fast with the urgent separating brake mechanism fixed mounting of circuit breaker on the cabinet body, then send the separating brake signal to the control unit, so that the drive unit is automatic accomplishes the urgent separating brake trip button of drive top promotion, in order to avoid the whole contact of staff, and operate simple and conveniently fast, and the operation is safer. To sum up, this urgent separating brake mechanism of circuit breaker can solve the urgent separating brake of circuit breaker tripping button inconvenient problem of operation effectively.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to an emergency opening mechanism of a circuit breaker.
Background
In a 10kV distribution room, the most commonly used switching devices are: the vacuum circuit breaker of the armored movable switch cabinet has a remote control switching-on and switching-off function and can realize remote automatic switching-on and switching-off. However, with the increase of the switching-off times and the interference of some external environmental factors, the switching-off motor coil of the vacuum circuit breaker frequently breaks down, so that the automatic switching-off and switching-on can not be realized. After the situation happens, the circuit breaker is always in a charged state, and at this time, the circuit breaker can be overhauled or replaced only after the charged state is relieved by manually pressing an emergency opening tripping button. However, there is a certain potential safety hazard, and in order to avoid an accident, a long insulating rod or other tools are generally used to replace a finger to press the emergency opening and tripping button by manual pressing. The adoption of the insulating rod has the following defects: 1. the insulating rod is long, the space in the power distribution room is narrow, and the insulating rod is inevitably collided when being used; 2. the strength cannot be correctly mastered by adopting the insulating rod, so that the circuit breaker is easily damaged; 3. since the emergency opening trip button is small in size, about 25mm in diameter, it is difficult to align the button with a long distance insulating rod.
In summary, how to effectively solve the problem that the emergency opening and tripping button of the circuit breaker is inconvenient to operate is a problem that needs to be solved urgently by a person skilled in the art at present.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an emergency opening mechanism for a circuit breaker, which can effectively solve the problem of inconvenient operation of an emergency opening tripping button of the circuit breaker.
In order to achieve the purpose, the invention provides the following technical scheme:
a circuit breaker emergency opening mechanism comprising: the fixing seat comprises an attachment foot which can be detachably attached and fixed on the cabinet body; the driving unit is arranged on the fixed seat and used for driving the ejector to move so as to push the emergency brake-separating tripping button of the circuit breaker; and the control unit is used for controlling the driving unit to start to switch off after receiving the switching-off signal.
In the emergency opening mechanism of the circuit breaker, when the emergency opening mechanism is used, the fixing seat is correspondingly placed according to the position of the emergency opening mechanism on the cabinet body for installing the circuit breaker, the attaching foot is attached and fixed on the cabinet body, and the top on the driving unit at the moment is aligned with the emergency opening tripping button of the circuit breaker. Then sends the opening signal to the control unit. Then the control unit controls the driving unit to drive the ejector to move so as to finish pushing an emergency brake-separating tripping button of the circuit breaker and realize the electrification removal. In this urgent separating brake mechanism of circuit breaker, adopted detachable to adhere to the foot, can dismantle and fix on the cabinet body to make can be fast with the urgent separating brake mechanism fixed mounting of circuit breaker on the cabinet body, then send the separating brake signal to the control unit, so that the drive unit is automatic accomplishes the urgent separating brake trip button of drive top promotion, in order to avoid the whole contact of staff, and the operation is quick simple and convenient, and the operation is safer. To sum up, this urgent separating brake mechanism of circuit breaker can solve the urgent separating brake of circuit breaker tripping button inconvenient problem of operation effectively.
Preferably, the driving unit is an electric push rod, and the control unit controls a motor of the electric push rod to start after receiving the opening signal.
Preferably, the control unit comprises a wireless signal receiver for receiving the opening signal.
Preferably, the fixing seat includes a rectangular frame perpendicular to the driving direction of the driving unit, and the four corners of the rectangular frame are provided with the attachment legs.
Preferably, the device further comprises an installation block connected with the fixed seat in a sliding manner along a first direction, the first direction is perpendicular to the driving direction of the driving unit, and the driving unit and the control unit are installed on the installation block.
Preferably, the installation piece include with the fixing base is followed first direction sliding connection's installation bottom block and with installation bottom block is along second direction sliding connection's sliding block, the second direction with first direction and with drive unit direction of drive mutually perpendicular sets up, install on the installation bottom block and be used for preventing the installation bottom block is relative the gliding first locking handle of fixing base, the sliding block or be provided with on the installation bottom block and be used for preventing the sliding block is relative the gliding second locking handle of installation bottom block.
Preferably, the rectangular frame is formed by sequentially connecting four steel rods arranged in a rectangular shape, and the two ends of the installation bottom block are respectively sleeved on the two steel rods arranged on the rectangular frame in a relative mode so as to realize sliding connection.
Preferably, the mounting bottom block comprises a nylon part sleeved on the steel rod.
Preferably, the attaching foot is a magnetic attracting foot.
Preferably, the attachment foot is an adhesive foot.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic axial view of an emergency opening mechanism of a circuit breaker according to an embodiment of the present invention;
fig. 2 is a schematic top view of an emergency opening mechanism of a circuit breaker according to an embodiment of the present invention;
fig. 3 is a schematic side view of an emergency opening mechanism of a circuit breaker according to an embodiment of the present invention.
The drawings are numbered as follows:
the device comprises a rectangular frame 1, an attachment foot 2, a driving unit 3, a top 4, a mounting block 5, a first locking handle 6 and a second locking handle 7.
Detailed Description
The embodiment of the invention discloses an emergency opening mechanism of a circuit breaker, which aims to effectively solve the problem that an emergency opening tripping button of the circuit breaker is inconvenient to operate.
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 to fig. 3, fig. 1 is a schematic axial view of an emergency opening mechanism of a circuit breaker according to an embodiment of the present invention; fig. 2 is a schematic top view of an emergency opening mechanism of a circuit breaker according to an embodiment of the present invention; fig. 3 is a schematic side view of an emergency opening mechanism of a circuit breaker according to an embodiment of the present invention.
In an embodiment, the embodiment provides an emergency opening mechanism of a circuit breaker, which is mainly used for driving an emergency opening tripping button of the circuit breaker to release a charged state of the circuit breaker. Specifically, this circuit breaker emergency opening mechanism includes fixing base, drive unit 3 and the control unit.
Wherein be provided with on the fixing base and can dismantle absorption and fix attached foot 2 on the cabinet body to realize with circuit breaker cabinet body fixed connection, wherein adsorb can be that the negative pressure is attached to, the magnetism is being adsorbed or the adhesion is being attached to and is being fixed on the cabinet body, in order to realize dismantling fixed connection with the cabinet body. Namely, the magnetic attraction foot or the adhesion foot is preferably selected as the attachment foot. Wherein the driving unit 3 is installed on the fixed seat to be supported and fixed on the cabinet body by the fixed seat.
Wherein drive unit 3 can drive top 4 and remove in order to promote the urgent separating brake trip button of circuit breaker, specifically, can drive top 4 and rotate to promote urgent separating brake trip button, also can drive top 4 rectilinear movement, in order to promote urgent separating brake trip button, specifically can set up as required.
And the control unit is used for controlling the driving unit 3 to start to open the brake after receiving the brake opening signal. The control unit can receive the opening signal through a button or a wireless receiver. If a specific starting button is arranged, when the button is started, a response signal is formed, the response signal is transmitted to the controller, after the controller responds, the corresponding power source is controlled to start the driving unit 3, if the driving unit 3 is an electric driving device, and after the controller responds, a circuit between the corresponding power source and the electric driving device is switched on, if an electromagnetic switch between the corresponding power source and the electric driving device is switched on, so that the electric driving device obtains electric power to perform driving operation, wherein the electric driving device is an electric motor. Wherein the drive unit 3 may also be a hydraulic/pneumatic drive, a corresponding power source such as a hydraulic or pneumatic pump.
In the emergency brake-separating mechanism of the circuit breaker, when the emergency brake-separating mechanism is used, the fixing seat is correspondingly placed according to the position of the emergency brake-separating mechanism on the cabinet body for installing the circuit breaker, the attaching foot 2 is attached and fixed on the cabinet body, and the top 4 on the driving unit 3 is aligned to the emergency brake-separating tripping button of the circuit breaker. Then sends the opening signal to the control unit. Then the control unit controls the driving unit 3 to drive the ejector 4 to move so as to finish pushing the emergency brake-separating tripping button of the circuit breaker and realize the electrification removal. In this urgent separating brake mechanism of circuit breaker, adopted detachable to adhere to foot 2, can dismantle and fix on the cabinet body to make can be fast with the urgent separating brake mechanism fixed mounting of circuit breaker on the cabinet body, then send the separating brake signal to the control unit, so that 3 automatic completions of drive unit drive top 4 promote urgent separating brake dropout button, in order to avoid the whole contact of staff, and operate simple and conveniently fast, and the operation is safer. To sum up, this urgent separating brake mechanism of circuit breaker can solve the urgent separating brake of circuit breaker tripping button inconvenient problem of operation effectively.
As described above, in which the drive unit 3 can select the hydraulic/pneumatic drive element as needed, it is preferable that the drive unit 3 employs an electric drive element here in consideration of the drive environment requirement. For better driving, the driving unit 3 is preferably an electric push rod, the control unit controls a motor of the electric push rod to start after receiving the opening signal, so as to drive the plug 4 to move, the electric push rod mainly comprises a motor and a lead screw nut transmission mechanism, wherein the motor is used for driving a lead screw transmission of the lead screw nut transmission mechanism, so that the nut slides along the axial direction of the lead screw, and further the plug 4 is pushed to move along the axial direction of the lead screw. The structure of the specific electric push rod can refer to the prior art. It should be noted that the power supply of the motor may be an external power supply or an internal battery. Electric putter can accurate control promotion stroke to can set for corresponding control stroke according to the urgent separating brake dropout button of circuit breaker that corresponds, and then guarantee accurate control, damage or the not in place problem of operation in order to avoid the urgent separating brake dropout button of circuit breaker.
The control unit receives the opening signal, which can be realized by a button, but the button needs to be operated nearby, and is difficult to be led out of a far position through an electric wire, so that certain potential safety hazard still exists in the operation. In this connection, it is preferred here that the control unit comprises a wireless signal receiver for receiving said opening signal. So that, in a remote location, it can be used to send a trip signal to the control unit via the wireless signal transmitter. The wireless signal transmitter and the wireless signal receiver can transmit wireless signals through the Bluetooth module, and can also transmit wireless signals through the WiFi module. The wireless signal transmitter may be a special transmitter, or may be other mobile terminals, such as a mobile phone, etc., which can be adjacent to the wireless signal transmitter.
Wherein the fixing seat is fixed on the cabinet body through the attachment leg 2 to realize fixation. For more stable support, it is preferable that the fixing base comprises a rectangular frame 1 disposed perpendicular to the driving direction of the driving unit 3, and the four corners of the rectangular frame 1 are provided with the attachment legs 2, so as to form more stable support by the four attachment legs 2. If the holding surface probably has the unevenness, can also make four adhere to foot 2 and can stretch out and draw back the regulation along the 3 direction of drive unit, if can make and adhere to the screw thread realization connection that extends along the 3 direction of drive unit through the axis between foot 2 and the rectangle frame 1 to realize flexible regulation through rotating, can also adopt adjustable flexible loop bar to realize connecting, in order to adjust.
Furthermore, in consideration of the limitation of the installation position, which makes it difficult to accurately determine, it is preferable that the mounting device further includes a mounting block 5 slidably connected to the fixing base along a first direction, and the first direction is perpendicular to the driving direction of the driving unit 3, wherein the driving unit 3 and the control unit are both mounted on the mounting block 5, so that when the mounting block 5 slides along the first direction, the driving unit 3 and the control unit follow the sliding, and then the position is adjusted, so as to effectively ensure that the plug 4 aligns with the slider.
Further, for better alignment, it is preferable that the mounting block 5 includes a mounting bottom block slidably connected to the fixing base along a first direction and a sliding block slidably connected to the mounting bottom block along a second direction, the second direction is perpendicular to the first direction and the driving direction of the driving unit 3, a first locking handle 6 for preventing the mounting bottom block from sliding relative to the fixing base is mounted on the mounting bottom block, and a second locking handle 7 for preventing the sliding block from sliding relative to the mounting bottom block is mounted on the sliding block or the mounting bottom block. So that the installation bottom block is kept in a locking state through the first locking handle 6 and the second locking handle 7, and the sliding block is prevented from sliding randomly.
Specifically, the rectangular frame 1 is preferably formed by sequentially connecting four steel rods arranged in a rectangular shape, and the two ends of the mounting bottom block are respectively sleeved on the two steel rods arranged opposite to the rectangular frame 1 to realize sliding connection. In order to avoid excessive noise, the mounting bottom block preferably comprises a nylon part sleeved on the steel rod, the nylon part slides on the steel rod, the noise ratio is small, and the mounting bottom block is convenient and practical, wherein the steel rod is preferably a steel pipe.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A circuit breaker emergency opening mechanism, comprising:
the fixing seat comprises an attachment foot which can be detachably attached and fixed on the cabinet body;
the driving unit is arranged on the fixed seat and used for driving the ejector to move so as to push the emergency brake-separating tripping button of the circuit breaker;
and the control unit is used for controlling the driving unit to start to switch off after receiving the switching-off signal.
2. The emergency opening mechanism of circuit breaker as claimed in claim 1, wherein the driving unit is an electric push rod, and the control unit controls a motor of the electric push rod to start after receiving the opening signal.
3. Circuit breaker emergency opening mechanism according to claim 2, characterized in that the control unit comprises a wireless signal receiver for receiving the opening signal.
4. The emergency opening mechanism of a circuit breaker according to claim 3, wherein the fixing base comprises a rectangular frame disposed perpendicular to the driving direction of the driving unit, and the four corners of the rectangular frame are provided with the attachment legs.
5. The emergency opening mechanism of circuit breaker as claimed in claim 4, further comprising a mounting block slidably connected to the fixed base along a first direction, wherein the first direction is perpendicular to the driving direction of the driving unit, and wherein the driving unit and the control unit are mounted on the mounting block.
6. The emergency opening mechanism of the circuit breaker as claimed in claim 5, wherein the mounting block comprises a mounting bottom block slidably connected to the mounting base along the first direction and a sliding block slidably connected to the mounting bottom block along a second direction, the second direction is perpendicular to the first direction and the driving direction of the driving unit, the mounting bottom block is provided with a first locking handle for preventing the mounting bottom block from sliding relative to the mounting base, and the sliding block or the mounting bottom block is provided with a second locking handle for preventing the sliding block from sliding relative to the mounting bottom block.
7. The emergency opening mechanism of the circuit breaker according to claim 6, wherein the rectangular frame is formed by sequentially connecting four steel rods arranged in a rectangular shape, and two ends of the mounting bottom block are respectively sleeved on two steel rods arranged opposite to the rectangular frame so as to realize sliding connection.
8. The circuit breaker emergency opening mechanism according to claim 7, wherein the mounting bottom block comprises a nylon portion sleeved on the steel rod.
9. The circuit breaker emergency opening mechanism of claim 8, wherein the attachment foot is a magnetic foot.
10. The circuit breaker emergency opening mechanism according to claim 8, wherein the attachment foot is an adhesive foot.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010928862.6A CN111900048A (en) | 2020-09-07 | 2020-09-07 | Emergency brake-separating mechanism of circuit breaker |
Applications Claiming Priority (1)
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CN202010928862.6A CN111900048A (en) | 2020-09-07 | 2020-09-07 | Emergency brake-separating mechanism of circuit breaker |
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CN111900048A true CN111900048A (en) | 2020-11-06 |
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CN202010928862.6A Pending CN111900048A (en) | 2020-09-07 | 2020-09-07 | Emergency brake-separating mechanism of circuit breaker |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112951676A (en) * | 2021-03-05 | 2021-06-11 | 国网山东省电力公司滨州供电公司 | Emergency opening and closing manipulator capable of remotely operating circuit breaker |
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CN201522383U (en) * | 2009-07-13 | 2010-07-07 | 永硕联合国际股份有限公司 | Automatic keyboard testing device |
CN102553774A (en) * | 2012-03-06 | 2012-07-11 | 韩毅军 | Fully-automatic gluing equipment suitable for various parts |
KR20130060866A (en) * | 2011-11-30 | 2013-06-10 | 엘에스산전 주식회사 | Forceful trip mechanism for home circuit breaker |
CN204144157U (en) * | 2014-10-09 | 2015-02-04 | 国家电网公司 | Circuit breaker emergent switching on-off operation device |
CN107694834A (en) * | 2017-08-25 | 2018-02-16 | 李艳军 | A kind of adjusting means |
CN210429582U (en) * | 2019-10-17 | 2020-04-28 | 南京迪圣电力科技有限公司 | Portable mechanical and electric brake separating device of high-voltage switch cabinet |
CN212392193U (en) * | 2020-09-07 | 2021-01-22 | 国网浙江杭州市余杭区供电有限公司 | Emergency brake-separating mechanism of circuit breaker |
-
2020
- 2020-09-07 CN CN202010928862.6A patent/CN111900048A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201522383U (en) * | 2009-07-13 | 2010-07-07 | 永硕联合国际股份有限公司 | Automatic keyboard testing device |
KR20130060866A (en) * | 2011-11-30 | 2013-06-10 | 엘에스산전 주식회사 | Forceful trip mechanism for home circuit breaker |
CN102553774A (en) * | 2012-03-06 | 2012-07-11 | 韩毅军 | Fully-automatic gluing equipment suitable for various parts |
CN204144157U (en) * | 2014-10-09 | 2015-02-04 | 国家电网公司 | Circuit breaker emergent switching on-off operation device |
CN107694834A (en) * | 2017-08-25 | 2018-02-16 | 李艳军 | A kind of adjusting means |
CN210429582U (en) * | 2019-10-17 | 2020-04-28 | 南京迪圣电力科技有限公司 | Portable mechanical and electric brake separating device of high-voltage switch cabinet |
CN212392193U (en) * | 2020-09-07 | 2021-01-22 | 国网浙江杭州市余杭区供电有限公司 | Emergency brake-separating mechanism of circuit breaker |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112951676A (en) * | 2021-03-05 | 2021-06-11 | 国网山东省电力公司滨州供电公司 | Emergency opening and closing manipulator capable of remotely operating circuit breaker |
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