WO2014032581A1 - 转换开关电器 - Google Patents

转换开关电器 Download PDF

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Publication number
WO2014032581A1
WO2014032581A1 PCT/CN2013/082434 CN2013082434W WO2014032581A1 WO 2014032581 A1 WO2014032581 A1 WO 2014032581A1 CN 2013082434 W CN2013082434 W CN 2013082434W WO 2014032581 A1 WO2014032581 A1 WO 2014032581A1
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WO
WIPO (PCT)
Prior art keywords
operating mechanism
contact
side operating
standby
common
Prior art date
Application number
PCT/CN2013/082434
Other languages
English (en)
French (fr)
Inventor
曲德刚
周密
巴黎
沈迪
尤安顺
Original Assignee
上海电科电器科技有限公司
浙江正泰电器股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 上海电科电器科技有限公司, 浙江正泰电器股份有限公司 filed Critical 上海电科电器科技有限公司
Priority to BR112015004067-5A priority Critical patent/BR112015004067B1/pt
Priority to EP13832595.6A priority patent/EP2892068B1/en
Publication of WO2014032581A1 publication Critical patent/WO2014032581A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/018—Application transfer; between utility and emergency power supply
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric

Definitions

  • the present invention relates to the field of low voltage electrical appliances, and more particularly to a transfer switch appliance having automatic conversion capability. Background technique
  • the existing integrated automatic transfer switch electrical appliances mostly use electromagnets, linear motors or manual direct rotation to connect the common power supply side or the standby power supply side main shaft to drive the contact system to move to the closed position. Since the force generated by the electromagnet is limited by the volume, At the same time, it is difficult to generate a large operating force by direct manual operation, and the capacity of the changeover switch is limited. If the large-capacity integrated automatic transfer switch unit uses the previous electromagnet, linear motor or manually operated operating system, it will require a large volume and low reliability. Summary of the invention
  • the present invention is directed to a high capacity switching switch appliance having three operating positions and capable of automatic operation.
  • a transfer switch appliance is provided that is mounted between a common side power source and a backup side power source, including: a front base and a rear base, a contact system, and an operating system.
  • the front base and rear base combination define a space.
  • the contact system is installed in the space, the contact system is connected to and disconnected from the circuit, the contact system comprises a movable contact and a static contact, and the movable contact comprises three working positions of a common side, a middle position and a standby side.
  • the operating system is mounted on the front base.
  • the operating system is an energy storage mechanism that implements a split operation.
  • the operating mechanism is connected to the movable contact through a connecting rod.
  • the operating system includes a common side operating mechanism and a standby side operating mechanism connected by the gear set.
  • the common side operating mechanism and the standby side operating mechanism are respectively mounted on the upper and lower sides of the front base, and the common side operating mechanism and the standby side operating mechanism are connected to the handle or the motor through a common shaft.
  • the handle or motor completes the energy storage operation for both the common side operating mechanism and the standby side operating mechanism within one revolution.
  • the interlocking device ensures that the standby power supply side is disconnected when the common side power supply is closed, and that the common power supply side is disconnected when the standby power supply side is closed.
  • the interlocking device includes a first interlocking member and a second interlocking member symmetrically arranged, the first interlocking member includes a first cantilever, a first lever, a first shaft and a first connecting member, and the first cantilever is welded to the common side operation On the main shaft of the mechanism, the first cantilever is connected to one end of the first lever through a first shaft, the other end of the first lever is connected to the first connecting member, and the first connecting member is mounted on the side plate of the standby side operating mechanism.
  • the second interlocking member includes a second cantilever, a second lever, a second shaft and a second connecting member, the second cantilever is welded to the main shaft of the standby side operating mechanism, and the second cantilever is connected to one end of the second lever through the second shaft The other end of the second lever is connected to the second connecting member, and the second connecting member is mounted on the side plate of the common side operating mechanism.
  • the transfer switch appliance further includes a controller, and the controller collects voltage signals of the common side power source and the standby side power source, and is between the common side power source and the standby side power source according to the collected voltage signal. Switch.
  • the contact system is provided with an arc extinguishing chamber outside the contacts of the movable contact and the static contact, and the arc extinguishing chamber includes a pilot arc, an arc extinguishing grid and a pressure plate with a hole, and the plurality of arc chutes
  • the vertical arrangement of the sheets is arranged to cross each other, the arc-lead piece is mounted on the bottom of the arc-extinguishing grid, and a plurality of plated plates are arranged above the arc-extinguishing grid, and a plurality of perforated platens are stacked, and a plurality of perforated platens are arranged.
  • the positions of the holes on the top are arranged in a cross.
  • the contact system has a busbar that connects the common side of the common side power supply and the backup side power supply, the busbar is connected to the plurality of parallel contact plates by a soft connection, and the movable contact is mounted on the contact plate.
  • the moving contact has a protruding contact, and the static contact is convex.
  • the handle or motor stores energy to the common side operating mechanism through a common side cam
  • the standby side operating mechanism stores energy through the spare side cam
  • the common side operating mechanism and the standby side operating mechanism are cross-fitted on the front base.
  • the front base and the rear base are insulated bases.
  • the transfer switch appliance further includes an auxiliary contact, a terminal block, a closing electromagnet, a shunt release, and a contactor.
  • the auxiliary contacts and the terminal block are respectively connected to the corresponding functional components, including the closing electromagnet, the shunt release, the contactor, the motor and the controller, and are connected to the external by the terminal block for remote control and communication functions.
  • the transfer switch electric appliance of the invention adopts an energy storage type operating system, so that the large-capacity transfer switch electric appliance realizes the characteristics of small volume, large capacity, full function and high reliability.
  • FIG. 1a and 1b disclose structural views of a transfer switch appliance in accordance with an embodiment of the present invention.
  • FIG. 2 is a diagram showing the internal structure of a transfer switch appliance in accordance with an embodiment of the present invention.
  • FIG. 3 discloses a block diagram of an operating system in accordance with an embodiment of the present invention.
  • Figure 4 is a block diagram showing the construction of a gear set in an operating system of a transfer switch appliance in accordance with an embodiment of the present invention.
  • FIG. 5 is a block diagram showing the interlocking components of the operating system of the transfer switch appliance in accordance with an embodiment of the present invention.
  • Figure 6 discloses a structural view of a contact system of a transfer switch appliance in accordance with an embodiment of the present invention.
  • Fig. 7 is a view showing the construction of an arc extinguishing chamber of a transfer switch device in accordance with an embodiment of the present invention.
  • FIGS. 9a, 9b, 9c, and 9d disclose auxiliary contacts, terminals, and the like in a transfer switch device according to an embodiment of the present invention.
  • the structural diagram of the contactor disclose structural views of a transfer switch device according to an embodiment of the present invention, including a general structural view and an exploded structural view of each component therein.
  • the transfer switch unit 100 is mounted between a common side power source and a backup side power source.
  • the transfer switch unit 100 includes a front base 102 and a rear base 103, a contact system, and an operating system 101.
  • the front base 102 and the rear base 103 combine to define a space, and in one embodiment, the front base 102 and the rear base 103 are insulated bases.
  • the combined front base 102 and rear base 103 are separated into four phases, and the contact system is mounted in a space composed of the front base 102 and the rear base 103.
  • the contact system turns the circuit on and off, and the contact system includes a movable contact 105 and a stationary contact 106.
  • the combined base is provided with a common side connecting busbar 107, a common side connecting busbar 108, and a spare side connecting busbar 109, which are connected to respective power inlet and outlet ends.
  • the movable contact 105 includes three working positions of a common side, a middle position, and a spare side.
  • the operating system 101 is mounted on a front base, and the operating system 101 is an energy storage mechanism that implements a split operation.
  • the operating mechanism is coupled to the movable contact 105 via a connecting rod 131, and the operating system 101 includes a common side operation connected by the gear set 1 13 Mechanism and standby side operating mechanism.
  • the common side operating mechanism and the standby side operating mechanism are respectively mounted on the upper and lower sides of the front base.
  • the common side operating mechanism and the standby side operating mechanism are cross-fitted on the front base.
  • the common side operating mechanism and the standby side operating mechanism are connected to the handle or motor 124 via a common shaft 1 14 .
  • the handle or motor 124 performs the energy storage operation for both the common side operating mechanism and the standby side operating mechanism within a rotation of 360°.
  • the handle or motor 124 stores energy to the common side operating mechanism through the common side cams 1 15 and the standby side operating mechanism through the spare side cams 16 .
  • the common side operating mechanism and the standby side operating mechanism are in the form of an up-and-down cross configuration, so that the longitudinal dimension structure of the product can be reduced. Since the handle or motor can rotate 360. The energy storage is completed for both the normal side and the standby side, thus reducing the lateral structural size of the product.
  • the interlock includes a first interlocking member and a second interlocking member that are symmetrically disposed.
  • the first interlocking member includes a first cantilever 125, a first lever 130, a first shaft 128 and a first connecting member 129.
  • the first cantilever 125 is welded to the main shaft 126 of the common side operating mechanism, and the first cantilever 125 passes through the first shaft. 128 is connected to one end of the first lever 130, and the other end of the first lever 130 is connected to the first connecting member 129, and the first connecting member 129 is mounted on the side plate of the standby side operating mechanism.
  • the common side operating mechanism is closed, the main shaft 126 of the common side operating mechanism is rotated to the closing position, and the first cantilever 125 rotates accordingly, and the first connecting member 129 is rotated by the first lever 130, and the first connecting member 129 operates on the standby side.
  • the mechanism's opening shaft is pressed to disconnect the standby side operating mechanism.
  • the second interlocking member includes a second cantilever 225, a second lever 230, a second shaft 228 and a second connecting member 229.
  • the second cantilever 225 is welded to the main shaft 226 of the standby side operating mechanism, and the second cantilever 225 is passed through the second shaft.
  • 228 is coupled to one end of the second lever 230
  • the other end of the second lever 230 is coupled to the second connector 229
  • the second connector 229 is mounted to the side panel of the conventional side operating mechanism.
  • the main shaft 226 of the standby side operating mechanism is rotated to the closing position, the second cantilever 225 is rotated accordingly, the second connecting member 229 is rotated by the second lever 230, and the second connecting member 229 is operated on the common side.
  • the mechanism's opening shaft is pressed to disconnect the common 'J operating mechanism.
  • the switchgear 100 further includes a controller 1 10 that collects voltage signals of the common side power source and the standby side power source according to the collected signals.
  • the voltage signal is switched between the common side power source and the standby side power source.
  • the inside of the controller 110 is composed of electronic circuits, and the controller 1 10 performs real-time logical judgment on signals collected from the common power supply side and the standby power supply side, respectively, when detecting that the common side power supply fails. Automatically signal the common side power supply and close the backup side power supply. Similarly, when it is detected that a fault occurs on the standby side power supply side, the signal is automatically disconnected from the standby side power supply and the common side power supply is closed, and the controller 1 10 can realize the automatic power conversion function.
  • the transfer switch device 100 of the present invention can also manually realize the conversion of the power source, that is, the common side power source is found to be faulty, and the shutter button of the common side operating mechanism is pressed, and the common side contact of the contact system is used. Disconnect the common power supply and close the operating mechanism on the standby power supply side. The standby power supply side contact of the contact system is closed and the standby power supply is turned on to complete the power conversion. A similar operation is performed if the backup side power supply fails.
  • the initial position of the transfer switch device of the present invention is a middle position (ie, 0 position), and the transfer switch device 100 is installed in a circuit having two sets of power supply systems of a common power source and a backup power source.
  • the common power source is normally powered, and the manual operation is performed.
  • the handle, or the motor is rotated by a remote control for one rotation, and the energy storage operation of the common side operating mechanism cam 1 15 and the standby side operating mechanism cam 1 16 is completed, and the pressing of the closed electromagnet is performed by pressing the common side operating mechanism.
  • the brake button, the common side contact of the system is closed, and the power supply on the common side is turned on to achieve normal power supply.
  • the contact system is mounted with an arc extinguishing chamber 104 on the outside of the contacts of the movable contact 105 and the stationary contact 106.
  • the arc extinguishing chamber includes a pilot arc piece 18, an arc chute piece 1 19 and a belt.
  • a plurality of arc chute sheets 1 19 are vertically arranged to intersect each other to facilitate arc striking.
  • the arc extinguishing grid 1 19 is located in the middle of the arc extinguishing chamber 104, and the arcing fins 1 18 are mounted at the bottom of the arc chute sheet 19 .
  • a plurality of perforated platens 120 are disposed above the arc chute sheet 19, i.e., the upper portion of the arc chute 104.
  • a plurality of perforated platens 120 are stacked, and the positions of the holes in the plurality of perforated platens 120 are arranged to facilitate the elimination of free gas to achieve zero arcing.
  • An arc is generated during the switching process of the switch, and the arc is introduced into the arc extinguishing chamber through the arc-lead piece, and the arc-extinguishing grid piece is arranged to be arc-extinguished, and a multi-layered perforated platen is installed at the top end of the arc extinguishing chamber. In order to eliminate the free gas generated by the arc, the purpose of zero arcing is achieved.
  • the contact system has a busbar that connects the common side of the common side power supply and the backup side power supply.
  • the busbar can be a common side connection busbar 108.
  • a common side connection busbar 107 and a spare side connection busbar 109 may also be included.
  • the soft contact is connected to a plurality of parallel contact plates 1 17 , and the movable contact 105 is mounted on the contact plate 1 17 .
  • the contact plate 17 and the movable contact 105 are connected or disconnected from the corresponding power supply side by a combined operation or a split operation.
  • the movable contact 105 can be thicker than the other contacts by three contacts, and a larger contact pressure can be obtained, and the matching static contact 106 is convex, which is convenient for arc striking.
  • the contact system of the plurality of contact plates in parallel structure can realize a large-capacity switch by realizing a small operation force, and realizes a design concept of small volume and large capacity.
  • the transfer switch appliance of the present invention also has remote control and communication functions, and the remote control and communication functions are realized by the following components: Auxiliary contact 1 1 1 and terminal block 1 12 .
  • Auxiliary contact 1 1 1 and terminal block 1 12 are respectively connected to corresponding functional components, including: closing electromagnet 121, shunt release 122, contactor 123, motor 124 and controller 1 10, by terminal block 1 12 and External connection for remote control and communication functions.
  • the transfer switch electric appliance of the invention adopts an energy storage type operating system, so that the large-capacity transfer switch electric appliance realizes the characteristics of small volume, large capacity, full function and high reliability.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Harvester Elements (AREA)

Abstract

本发明揭示了一种转换开关电器，安装于常用侧电源和备用侧电源之间，包括：前基座和后基座、触头系统和操作系统。前基座和后基座组合限定一空间。触头系统安装于空间内，触头系统接通和断开电路，触头系统包括动触头和静触头，动触头包括常用侧、中间位和备用侧三个工作位。操作系统安装于前基座上，操作系统是实现分合操作的储能机构，操作机构通过连杆连接到动触头，操作系统包括由齿轮组连接的常用侧操作机构和备用侧操作机构，常用侧操作机构和备用侧操作机构分别安装在前基座的上、下两侧，常用侧操作机构和备用侧操作机构通过公共轴连接到手柄或电机。手柄或电机在旋转一周内完成对常用侧操作机构和备用侧操作机构两者的储能操作。

Description

转换开关电器 技术领域
本发明涉及低压电器领域， 更具体地说， 涉及一种具有自动转换能力 的转换开关电器。 背景技术
现有的一体式自动转换开关电器， 大都采用电磁铁、 直线电机或手动 直接旋转连接常用电源侧或备用电源侧主轴带动触头系统运动到闭合位 置， 由于电磁铁产生的力受体积的局限， 同时直接手动操作也很难产生很 大操作力， 使转换开关的容量受到限制。 若在大容量一体式自动转换开关 电器采用以前的电磁铁、 直线电机或手动操作的操作系统， 将需要很大的 体积， 可靠性也较差。 发明内容
本发明旨在提出一种具有三个操作位且能够自动操作的大容量转换开 关电器。
根据本发明的一实施例， 提出一种转换开关电器， 安装于常用侧电源 和备用侧电源之间， 包括： 前基座和后基座、 触头系统和操作系统。 前基 座和后基座组合限定一空间。 触头系统安装于空间内， 触头系统接通和断 开电路， 触头系统包括动触头和静触头， 动触头包括常用侧、 中间位和备 用侧三个工作位。 操作系统安装于前基座上， 操作系统是实现分合操作的 储能机构， 操作机构通过连杆连接到动触头， 操作系统包括由齿轮组连接 的常用侧操作机构和备用侧操作机构， 常用侧操作机构和备用侧操作机构 分别安装在前基座的上、 下两侧， 常用侧操作机构和备用侧操作机构通过 公共轴连接到手柄或电机。 手柄或电机在旋转一周内完成对常用侧操作机 构和备用侧操作机构两者的储能操作。
在一个实施例中， 常用侧操作机构和备用侧操作机构之间具有联锁装 置， 联锁装置在常用侧电源闭合时确保备用电源侧断开， 在备用电源侧闭 合时确保常用电源侧断开。 联锁装置包括对称布置的第一联锁件和第二联 锁件， 第一联锁件包括第一悬臂、 第一杠杆、 第一轴和第一连接件， 第一 悬臂焊接于常用侧操作机构的主轴上， 第一悬臂通过第一轴与第一杠杆的 一端连接， 第一杠杆的另一端连接到第一连接件， 第一连接件安装在备用 侧操作机构的侧板上。 第二联锁件包括第二悬臂、 第二杠杆、 第二轴和第 二连接件， 第二悬臂焊接于备用侧操作机构的主轴上， 第二悬臂通过第二 轴与第二杠杆的一端连接， 第二杠杆的另一端连接到第二连接件， 第二连 接件安装在常用侧操作机构的侧板上。 常用侧操作机构闭合时， 常用侧操 作机构的主轴旋转到合闸位置， 第一悬臂随之旋转， 通过第一杠杆带动第 一连接件旋转， 第一连接件将备用侧操作机构的分闸轴按下使备用侧操作 机构断开。 备用侧操作机构闭合时， 备用侧操作机构的主轴旋转到合闸位 置， 第二悬臂随之旋转， 通过第二杠杆带动第二连接件旋转， 第二连接件 将常用侧操作机构的分闸轴按下使常用侧操作机构断开。
在一个实施例中， 为了实现自动操作， 该转换开关电器还包括控制器， 控制器采集常用侧电源和备用侧电源的电压信号， 依据所采集的电压信号 在常用侧电源和备用侧电源之间切换。
在一个实施例中， 触头系统在动触头和静触头的触点外侧安装有灭弧 室， 灭弧室包括引弧片、 灭弧栅片和带孔的压板， 多个灭弧栅片竖直排列 相互交叉布置， 引弧片安装在灭弧栅片的底部， 多个带孔的压板布置在灭 弧栅片的上方， 多个带孔的压板层叠布置， 多个带孔的压板上的孔的位置 交叉布置。
在一个实施例中， 触头系统具有一母排， 母排连接常用侧电源和备用 侧电源的公用端， 母排通过软连接与数个并联的接触板相连， 动触头安装 在接触板上， 动触头具有突出的触点， 静触头是凸形的。
在一个实施例中，手柄或电机通过常用侧凸轮对常用侧操作机构储能， 通过备用侧凸轮对备用侧操作机构储能， 常用侧操作机构和备用侧操作机 构交叉装配在前基座上。 前基座和后基座是绝缘基座。 在一个实施例中， 该转换开关电器还包括辅助触头、 接线端子排、 闭 合电磁铁、 分励脱扣器和接触器。 辅助触头和接线端子排分别连接到相应 的功能部件， 包括闭合电磁铁、 分励脱扣器、 接触器、 电机和控制器， 由 接线端子排与外部连接， 实现远程控制和通讯功能。
本发明的转换开关电器采用储能式操作系统， 使得大容量的转换开关 电器实现体积小、 容量大、 功能全、 可靠性高的特点。 附图说明
本发明上述的以及其他的特征、 性质和优势将通过下面结合附图和实 施例的描述而变的更加明显， 在附图中相同的附图标记始终表示相同的特 征， 其中：
图 1 a 和图 1 b 揭示了根据本发明的一实施例的转换开关电器的结构 图。
图 2揭示了根据本发明的一实施例的转换开关电器的内部结构图。 图 3揭示了根据本发明的一实施例的操作系统的结构图。
图 4揭示了根据本发明的一实施例的转换开关电器的操作系统中齿轮 组的结构图。
图 5揭示了根据本发明的一实施例的转换开关电器的操作系统中联锁 部件的结构图。
图 6揭示了根据本发明的一实施例的转换开关电器的触头系统的结构 图。
图 7 揭示了根据本发明的一实施例的转换开关电器的灭弧室的结构 图。
图 8揭示了根据本发明的一实施例的转换开关电器的控制器的结构图 图 9a、 9b、 9c和 9d揭示了根据本发明的一实施例的转换开关电器中 辅助触头、 接线端子和接触器的结构图。 具体实施方式 参考图 1〜图 9所示， 图 1〜图 9揭示了根据本发明的一实施例的转 换开关电器的结构图， 包括总体结构图和其中各个部件的分解结构图。
如图所示，该转换开关电器 100安装于常用侧电源和备用侧电源之间， 该转换开关电器 100包括前基座 102和后基座 103、 触头系统和操作系统 101。
前基座 102和后基座 103组合限定一空间， 在一个实施例中， 前基座 102和后基座 103是绝缘基座。组合后的前基座 102和后基座 103隔为四 相， 触头系统安装于由前基座 102和后基座 103组成的空间内。 触头系统 接通和断开电路， 触头系统包括动触头 105和静触头 106。 在每一相内具 有一对动触头 105和静触头 106 , 以及一个灭弧室 104。 组合后的基座上 设置有常用侧连接母排 107、公用侧连接母排 108和备用侧连接母排 109 , 这些母排均连接到相应的电源进出端。 动触头 105包括常用侧、 中间位和 备用侧三个工作位。 操作系统 101安装于前基座上， 操作系统 101是实现 分合操作的储能机构， 操作机构通过连杆 131连接到动触头 105 , 操作系 统 101 包括由齿轮组 1 13连接的常用侧操作机构和备用侧操作机构。 常用 侧操作机构和备用侧操作机构分别安装在前基座的上、 下两侧， 在一个实 施例中， 常用侧操作机构和备用侧操作机构交叉装配在前基座上。 常用侧 操作机构和备用侧操作机构通过公共轴 1 14连接到手柄或电机 124。 手柄 或电机 124在旋转一周， 指旋转 360° 范围内完成对常用侧操作机构和备 用侧操作机构两者的储能操作。 在一个实施例中， 手柄或电机 124是通过 常用侧凸轮 1 15对常用侧操作机构储能， 以及通过备用侧凸轮 1 16对备用 侧操作机构储能。
常用侧操作机构和备用侧操作机构采用上下交叉配置的形式， 因此可 以缩小产品的纵向尺寸结构。 由于手柄或者电机能够在旋转 360。 的范围 内对常用侧和备用侧的操作机构都完成储能， 因此能够减小产品的横向结 构尺寸。
为了确保常用侧操作机构和备用侧操作机构的操作安全性， 防止出现 常用侧操作机构和备用侧操作机构同时出现合闸的状况， 在常用侧操作机 构和备用侧操作机构之间具有联锁装置， 联锁装置在常用侧电源闭合时确 保备用电源侧断开， 在备用电源侧闭合时确保常用电源侧断开。 如图所示， 联锁装置包括对称布置的第一联锁件和第二联锁件。 第一联锁件包括第一 悬臂 125、 第一杠杆 130、 第一轴 128和第一连接件 129 , 第一悬臂 125 焊接于常用侧操作机构的主轴 126上，第一悬臂 125通过第一轴 128与第 一杠杆 130的一端连接， 第一杠杆 130的另一端连接到第一连接件 129 , 第一连接件 129安装在备用侧操作机构的侧板上。常用侧操作机构闭合时， 常用侧操作机构的主轴 126旋转到合闸位置， 第一悬臂 125随之旋转， 通 过第一杠杆 130带动第一连接件 129旋转，第一连接件 129将备用侧操作 机构的分闸轴按下使备用侧操作机构断开。 第二联锁件包括第二悬臂 225、 第二杠杆 230、 第二轴 228和第二连接件 229 , 第二悬臂 225焊接于备用 侧操作机构的主轴 226上， 第二悬臂 225通过第二轴 228与第二杠杆 230 的一端连接， 第二杠杆 230的另一端连接到第二连接件 229 , 第二连接件 229 安装在常用侧操作机构的侧板上。 备用侧操作机构闭合时， 备用侧操 作机构的主轴 226旋转到合闸位置， 第二悬臂 225随之旋转， 通过第二杠 杆 230带动第二连接件 229旋转，第二连接件 229将常用侧操作机构的分 闸轴按下使常用 'J操作机构断开。
为了实现常用侧电源和备用侧电源的自动转换， 在一个实施例中， 该 转换开关电器 100还包括控制器 1 10 , 控制器 1 10采集常用侧电源和备用 侧电源的电压信号， 依据所采集的电压信号在常用侧电源和备用侧电源之 间切换。在一个实施例中，控制器 1 10的内部由电子线路组成，控制器 1 10 对分别从常用电源侧和备用电源侧采集的信号进行实时的逻辑判断， 在检 测到常用侧电源发生故障时， 自动发出信号断开常用侧电源并合上备用侧 电源。 同样， 在检测到备用侧电源侧发生故障时， 自动发出信号断开备用 侧电源并合上常用侧电源， 控制器 1 10能够实现电源的自动转换功能。
如果不使用控制器 1 10 , 本发明的转换开关电器 100也可以手动实现 电源的转换， 即发现常用侧电源发生故障， 按下常用侧操作机构的分闸按 鈕， 触头系统的常用侧触点断开常用电源， 合上备用电源侧的操作机构， 触头系统的备用电源侧触点合上接通备用电源， 完成电源的转换。 发现备 用侧电源发生故障则进行类似的操作。
本发明的转换开关电器的初始位置为中间位 （即 0位） ， 该转换开关 电器 100安装到具有常用电源和备用电源两套供电系统的电路中， 正常情 况下， 常用电源正常供电， 手动操作手柄， 或者通过远程控制操作电机旋 转一周， 完成对常用侧操作机构凸轮 1 15和备用侧操作机构凸轮 1 16的储 能操作， 按下， 或者远程控制闭合电磁铁按下常用侧操作机构的合闸按鈕， 系统的常用侧触点闭合， 接通常用侧的电源， 实现正常的供电。
继续参考图示的实施例， 触头系统在动触头 105和静触头 106的触点 外侧安装有灭弧室 104 , 灭弧室包括引弧片 1 18、 灭弧栅片 1 19和带孔的 压板 120。 多个灭弧栅片 1 19竖直排列相互交叉布置， 以利于引弧。 灭弧 栅片 1 19位于灭弧室 104的中部，引弧片 1 18安装在灭弧栅片 1 19的底部。 多个带孔的压板 120布置在灭弧栅片 1 19的上方， 即灭弧室 104的上部。 多个带孔的压板 120层叠布置， 多个带孔的压板 120上的孔的位置交叉布 置， 以利于消游离气体， 达到零飞弧。 在开关的分合过程中产生电弧， 通 过引弧片将电弧引入灭弧室， 通过交叉布置得的灭弧栅片进行灭弧， 在灭 弧室的顶端安装有多层的带孔压板， 用于消除电弧产生的游离气体， 达到 零飞弧的目的。
继续参考附图， 触头系统具有一母排， 该母排连接常用侧电源和备用 侧电源的公用端。 该母排可以是公用侧连接母排 108。 还可以包括常用侧 连接母排 107和备用侧连接母排 109。通过软连接与数个并联的接触板 1 17 相连， 动触头 105安装在接触板 1 17上，接触板 1 17和动触头 105通过合 或分的操作与相应的电源侧连接或断开， 动触头 105可由三个触点较其他 触点厚， 可得到较大的触头压力， 与之相配的静触头 106是凸形的， 方便 引弧。 该数个接触板并联结构的触头系统可用实现较小的操作力来操作大 容量的开关， 实现体积小、 容量大的设计设想。
本发明的转换开关电器还具有远程控制和通讯功能， 远程控制和通讯 功能通过下述的部件来实现： 辅助触头 1 1 1 和接线端子排 1 12。 辅助触头 1 1 1和接线端子排 1 12分别连接到相应的功能部件，包括：闭合电磁铁 121、 分励脱扣器 122、接触器 123、 电机 124和控制器 1 10 , 由接线端子排 1 12 与外部连接， 实现远程控制和通讯功能。
本发明的转换开关电器采用储能式操作系统， 使得大容量的转换开关 电器实现体积小、 容量大、 功能全、 可靠性高的特点。
上述实施例是提供给熟悉本领域内的人员来实现或使用本发明的， 熟 悉本领域的人员可在不脱离本发明的发明思想的情况下， 对上述实施例做 出种种修改或变化， 因而本发明的保护范围并不被上述实施例所限， 而应 该是符合权利要求书提到的创新性特征的最大范围。

Claims

权利要求书
1. 一种转换开关电器， 安装于常用侧电源和备用侧电源之间， 其特征 在于， 包括：
前基座和后基座， 前基座和后基座组合限定一空间；
触头系统， 安装于所述空间内， 触头系统接通和断开电路， 触头系统 包括动触头和静触头， 动触头包括常用侧、 中间位和备用侧三个工作位； 操作系统， 安装于前基座上， 操作系统是实现分合操作的储能机构， 操作机构通过连杆连接到动触头， 操作系统包括由齿轮组连接的常用侧操 作机构和备用侧操作机构， 常用侧操作机构和备用侧操作机构分别安装在 前基座的上、 下两侧， 常用侧操作机构和备用侧操作机构通过公共轴连接 到手柄或电机；
手柄或电机在旋转一周内完成对常用侧操作机构和备用侧操作机构两 者的储能操作。
2. 如权利要求 1所述的转换开关电器， 其特征在于， 所述常用侧操作 机构和备用侧操作机构之间具有联锁装置， 联锁装置在常用侧电源闭合时 确保备用电源侧断开， 在备用电源侧闭合时确保常用电源侧断开。
3. 如权利要求 2所述的转换开关电器， 其特征在于， 所述联锁装置包 括对称布置的第一联锁件和第二联锁件，
第一联锁件包括第一悬臂、 第一杠杆、 第一轴和第一连接件， 第一悬 臂焊接于常用侧操作机构的主轴上， 第一悬臂通过第一轴与第一杠杆的一 端连接， 第一杠杆的另一端连接到第一连接件， 第一连接件安装在备用侧 操作机构的侧板上；
第二联锁件包括第二悬臂、 第二杠杆、 第二轴和第二连接件， 第二悬 臂焊接于备用侧操作机构的主轴上， 第二悬臂通过第二轴与第二杠杆的一 端连接， 第二杠杆的另一端连接到第二连接件， 第二连接件安装在常用侧 操作机构的侧板上。
4. 如权利要求 3所述的转换开关电器， 其特征在于，
常用侧操作机构闭合时， 常用侧操作机构的主轴旋转到合闸位置， 第 一悬臂随之旋转， 通过第一杠杆带动第一连接件旋转， 第一连接件将备用 侧操作机构的分闸轴按下使备用侧操作机构断开；
备用侧操作机构闭合时， 备用侧操作机构的主轴旋转到合闸位置， 第 二悬臂随之旋转， 通过第二杠杆带动第二连接件旋转， 第二连接件将常用 侧操作机构的分闸轴按下使常用侧操作机构断开。
5. 权利要求 1所述的转换开关电器， 其特征在于， 还包括： 控制器， 控制器采集常用侧电源和备用侧电源的电压信号， 依据所采 集的电压信号在常用侧电源和备用侧电源之间切换。
6. 如权利要求 1所述的转换开关电器， 其特征在于，
触头系统在动触头和静触头的触点外侧安装有灭弧室， 灭弧室包括引 弧片、 灭弧栅片和带孔的压板， 多个灭弧栅片竖直排列相互交叉布置， 引 弧片安装在灭弧栅片的底部， 多个带孔的压板布置在灭弧栅片的上方， 多 个带孔的压板层叠布置， 多个带孔的压板上的孔的位置交叉布置。
7. 如权利要求 1所述的转换开关电器， 其特征在于，
触头系统具有一母排， 母排连接常用侧电源和备用侧电源的公用端， 母排通过软连接与数个并联的接触板相连， 动触头安装在接触板上， 动触 头具有突出的触点， 静触头是凸形的。
8. 权利要求 1所述的转换开关电器， 其特征在于，
手柄或电机通过常用侧凸轮对常用侧操作机构储能， 通过备用侧凸轮 对备用侧操作机构储能， 常用侧操作机构和备用侧操作机构交叉装配在前 基座上。
9. 如权利要求 1所述的转换开关电器， 其特征在于，
所述前基座和后基座是绝缘基座。
10. 如权利要求 1所述的转换开关电器， 其特征在于， 还包括辅助触 头、 接线端子排、 闭合电磁铁、 分励脱扣器和接触器。
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CN108735531A (zh) * 2018-06-26 2018-11-02 上海良信电器股份有限公司 一种具有中性线重叠功能的自动转换开关

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