WO2018076455A1 - 一种伺服驱动隔离式断路器 - Google Patents
一种伺服驱动隔离式断路器 Download PDFInfo
- Publication number
- WO2018076455A1 WO2018076455A1 PCT/CN2016/108106 CN2016108106W WO2018076455A1 WO 2018076455 A1 WO2018076455 A1 WO 2018076455A1 CN 2016108106 W CN2016108106 W CN 2016108106W WO 2018076455 A1 WO2018076455 A1 WO 2018076455A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit breaker
- isolated circuit
- servo
- drive
- servo motor
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
Definitions
- the present invention relates to power technology, and more particularly to a servo driven isolated circuit breaker.
- the substation usually uses a disconnected circuit breaker (DCB) to realize the isolation or opening and closing function of the circuit.
- DCB disconnected circuit breaker
- the isolated circuit breaker integrates the isolating switch and the circuit breaker, and the isolating switch and the circuit breaker share a set of motion and static.
- the contact, the function of the isolated circuit breaker is realized by moving or moving the movable contact to contact or separate the static contact.
- isolated circuit breakers can reduce the number of equipment used in the station, reduce the space occupancy of the substation, optimize the substation structure, and reduce costs.
- the isolated circuit breakers mostly adopt the fixed open distance mode, that is, the distance between the static and dynamic contacts is a certain value.
- a 110kV outdoor high voltage intelligent isolated circuit breaker provided by the related art, including an arc extinguishing chamber, is provided in the arc extinguishing chamber.
- the distance between the moving contact and the static contact, the static and dynamic contacts is 140 mm, which is increased to 140 mm on the basis of the original 110 mm, so that the structure is compatible with the function of the circuit breaker and the isolating switch, that is, to ensure the function of the isolating switch.
- the opening distance is properly expanded on the basis of the original value, so that there is a certain safety distance between the moving and static contacts, but the expansion of the opening distance will also extend the bonding time of the moving contact and the static contact, affecting The sensitivity of the circuit breaker opening and closing function.
- the purpose of the embodiments of the present invention is to provide a servo-driven isolated circuit breaker for solving the problem that the isolation switch and the opening and closing function cannot be coordinated and cooperated due to the fixed open distance mode between the static and dynamic contacts of the conventional isolated circuit breaker. .
- the technical solution of the servo-driven isolated circuit breaker provided by the embodiment of the present invention is:
- a servo-driven isolated circuit breaker comprising:
- the movable contact has three set positions, the first position is the closing position in the closed state, the second position is the opening position in the open state, and the third position is in the isolation position. In the isolated position in the state, the opening distance when the moving contact is in the isolated position is greater than the opening distance when the moving contact is in the opening position.
- the operating mechanism includes:
- a servo motor provided with an output shaft
- An arm disposed on the drive spindle and coupled to the drive rod;
- the servo motor is specifically configured to drive the arm rotation by the output shaft output power, and drive the transmission rod to drive the movable contact movement through the arm.
- the servo motor is disposed at one end of the drive spindle.
- the servo-driven isolated circuit breaker is provided with a position sensor for detecting and moving the position of the movable contact.
- the position sensor is disposed outside the servo motor along the axial direction of the drive spindle.
- the servo-driven isolated circuit breaker is provided with a winch brake for keeping the transmission main shaft rotating to a certain position.
- the axle brake is disposed on the output shaft of the servo motor and is located in the servo motor. Between the position sensor and the position sensor.
- a system control cabinet includes a servo drive system for controlling the operating mechanism.
- the servo drive system is further configured to: when the movable contact is in the isolated position and the servo drive isolated circuit breaker needs to be repaired, the servo drive system releases internal power to make the move The contact does not have a power source that moves toward the closed position.
- the servo-driven isolated circuit breaker further comprises a torque sensor for collecting the transient torque of the transmission spindle, and the torque sensor is used for real-time collecting the transient torque on the transmission spindle to pass the servo motor. Calculate the torque comparison and analyze the changes of the mechanical load of the equipment in real time.
- Embodiment 1 is a schematic structural view of Embodiment 1 of a servo-driven isolated circuit breaker according to the present invention
- FIG. 2 is a schematic view showing the movement state of the local transmission mechanism when the movable contact of FIG. 1 is in the closing position;
- Figure 3 is a schematic view showing the movement state of the local transmission mechanism when the movable contact of Figure 1 is in the opening position;
- Figure 4 is a schematic view showing the movement state of the local transmission mechanism when the movable contact of Figure 1 is in the isolated position;
- Figure 5 is a schematic diagram of a servo-driven isolated circuit breaker of the present invention.
- FIG. 6 is a schematic view showing the connection of a servo motor of the present invention and a system control cabinet for setting a servo drive system;
- 1-extinguishing chamber 2-insulating support chamber; 3-drive spindle; 4-servo motor; 5-position sensor; 6-axis brake; 7-torque sensor; 8-arm; 9-system control Cabinet; 10 - pull-up lever; 11 - pull-down lever.
- FIG. 1 A specific embodiment 1 of the servo-driven isolated circuit breaker of the present invention is shown in FIG. 1 , which comprises a transmission main shaft 3 .
- the left end of the transmission main shaft 3 is provided with a servo motor 4
- the right end of the servo motor is output shaft and the transmission main shaft 3 .
- the coupling shaft 6 is provided on the output shaft of the left end of the servo motor 4 via the coupling
- the position sensor 5 is provided outside the axle brake 6.
- the upper part of the transmission main shaft 3 is connected with a three-pole arc extinguishing chamber 1.
- the arc extinguishing chamber 1 is internally provided with a movable contact and a static contact, and the movable contact is disposed under the static contact, and the inside of the chamber is filled with sulfur hexafluoride (SF 6 ) gas.
- the driving contact is connected to the transmission main shaft 3 through a transmission rod, and the transmission rod includes a pull-up rod 10 and a pull-down rod 11 hinged with the upper pull rod 10, and the movable contact is disposed on the upper pull rod 10
- the top end of the pull rod 10 is disposed inside the insulating support chamber 2.
- the driving main shaft 3 is fixedly provided with a rotating arm 8 , and the rotating arm 8 is rotatably connected to the lowering rod 11 , and the rotating arm 8 drives the rotating arm 8 to rotate synchronously, and then is driven by the rotational movement between the rotating arm 8 and the lowering rod 11 .
- the upper pull rod 10 moves up and down in the insulating support chamber 2, and then moves up and down of the movable contact to achieve contact or separation with the static contact.
- the moving contact has three setting positions, the first position is the closing position, when the moving contact is in contact with the static contact, it is the closing position of the moving contact; the second position is the opening position, when the moving contact When the head is to be separated from the static contact, it moves down to a certain position. This is the opening position of the moving contact.
- the closing position and the opening position do not need to be too far apart to ensure the rapid and efficient opening and closing action.
- the third position is the isolation position. When the servo-driven isolated circuit breaker needs to perform the function of the isolating switch, the moving contact needs to continue to move downward from the opening position, so that the opening distance between the moving and static contacts is further increased. To ensure the safety and effectiveness of the isolation switch function.
- the process of switching the moving contact between the closing position and the opening position is a circuit breaker mode in which the servo-driven isolated circuit breaker of the present invention performs the opening and closing function, and the moving contact is switched between the opening position and the isolated position. It is an isolating switch mode of the present invention that functions as an isolating switch.
- the servo motor 4 can move the movable contact to the closing position, the opening position or the isolation position by rotating different angles.
- the moving contact stops moving and remains in the corresponding position, in order to make the dynamic touch
- the head is held more stably at the desired position, and the axle brake 6 can be used to further position the moving contact.
- the positional deviation of the moving contact is detected by the position sensor 5, and the deviation signal is transmitted to the system control cabinet 9, and then the system is controlled.
- the cabinet 9 instructs the servo motor 4 to adjust the position of the movable contact by appropriate rotation to move the movable contact to the correct position in real time.
- the action process of the servo-driven isolated circuit breaker of the present invention realizes the functions of opening and closing and isolating switches.
- the system control cabinet 9 of the servo-driven isolated circuit breaker receives the station control system, the protection device or The opening command sent from the ground side then instructs the servo motor 4 to rotate a certain angle to move the movable contact downward from the closing position to the opening position, and the motor rotation angle and the moving contact upper and lower moving distance have a certain
- the servo motor 4 when the system control cabinet 9 receives the opening command, the servo motor 4 is instructed to drive the drive spindle 3 to rotate clockwise by ⁇ °, while the arm 8 rotates through the same angle, through the arm 8 and under
- the rotary connection between the drawbars 11 converts the rotary motion into a linear motion of the top movable contact of the pull-up lever 10, and the movable contact is quickly started and accelerated by the servo motor 4 to reach the opening speed required to break the short-circuit current. Pushing the moving contact and the
- the system control cabinet 9 of the servo-driven isolated circuit breaker receives the station control system, the protection device or the local device.
- the closing command sent from the side then instructs the servo motor 4 to rotate a certain angle to move the movable contact upward from the opening position to the closing position.
- the servo motor 4 when the system control cabinet 9 receives the closing command , the servo motor 4 is instructed to drive the drive shaft 3 to rotate counterclockwise by ⁇ °, and the arm 8 rotates through the same angle, and the rotary motion is converted into the top end of the upper pull rod 10 by the rotational connection between the arm 8 and the pull rod 11
- the linear motion, the moving contact is driven by the servo motor 4, quickly starts and accelerates, reaches the required closing speed, pushes the moving contact and the static contact to close quickly, the moving contact stays in the closing position, and passes through the holding shaft
- the brake 6 is smoothly stopped and held in this position in preparation for the servo-driven isolated circuit breaker to open.
- the system control cabinet 9 controls the servo motor 4 to switch the movable contact between the above-mentioned opening position and the closing position, which is the circuit breaker mode of the servo-driven isolated circuit breaker of the present invention, and can realize the opening and closing function.
- the system control cabinet 9 receives the station control system or the local side
- the servo motor 4 is instructed to rotate a certain angle to move the movable contact downward from the opening position to the isolated position.
- the servo motor 4 when the system control cabinet 9 receives the isolation switch command , the servo motor 4 is instructed to drive the main shaft 3 to rotate clockwise by ⁇ °, and the arm 8 is rotated through the same angle, and the rotary motion is converted into the top end of the upper pull rod 10 by the rotational connection between the arm 8 and the pull rod 11
- the linear motion pushes the contact system to continue to separate, and the moving contact moves at a set running speed under the driving of the servo motor, and finally stops at the isolated position, and then is further stably maintained at this position by the holding shaft brake 6, which is a servo Drive the isolated circuit breaker disconnect switch to close.
- the servo drive system is set in the system control cabinet, including: servo drive (strong power control device, including frequency conversion function), control system, energy storage power supply and energy storage capacitor.
- servo drive strong power control device, including frequency conversion function
- control system including control system, energy storage power supply and energy storage capacitor.
- the control system (which may be a remote control or a local manual control of the control system) disconnects the circuit where the K1 switch is located, so that the circuit is stored.
- the power supply cannot supply power to the servo motor through the servo driver.
- closing the K2 to close the capacitor stored in the storage capacitor is released, so that the servo motor does not have any power source moving to the closing position, ensuring that the contacts do not fit.
- the position of the brake is moved, which achieves an absolutely safe effect of ensuring maintenance.
- K1 is closed, K2 is disconnected again, and the storage capacitor is re-storaged to prepare for subsequent operations.
- the system control cabinet 9 receives the station control system or sends it on the local side.
- the servo motor 4 is instructed to drive the driving spindle 3 to rotate counterclockwise by ⁇ °, and the arm 8 is rotated through the same angle, and the rotary motion is converted into the upper lever by the rotational connection between the arm 8 and the pull-down lever 11.
- a torque sensor 7 is also arranged on the drive spindle 3 near the coupling for real-time acquisition of transient torque on the drive spindle. By comparing the torque calculation with the servo motor 4, the mechanical load variation of the device can be analyzed in real time. The situation provides a reliable data foundation for the ontology to provide fault precursor prediction and operational trend analysis.
- the difference from the first embodiment is that the setting of the moment sensor is omitted.
- the angle of each rotation of the servo motor spindle can be controlled to realize that the movable contact can be driven to stay at three different positions, and the circuit is broken.
- the driving mechanism can be rotated by a certain angle, so that the movable contact in the closed conduction state is separated from the static contact, and the movable contact is moved from the closing position to the opening position;
- the driving mechanism can be rotated by another angle, the moving contact continues to be separated from the static contact, and the moving contact in the opening position is moved to the isolated position to obtain a larger opening distance; In this way, different opening distances between the moving and static contacts can be obtained, and the opening distance when the moving contact is in the isolated position is greater than the opening distance when the moving contact is in the opening position, so as to ensure the rapid and efficient opening and closing operation and the safety of the isolating switch function.
- the servo-driven isolated circuit breaker can have a variable opening distance function, thereby integrating the circuit breaker function and the isolating switch function in one.
Landscapes
- Gas-Insulated Switchgears (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
一种隔离式断路器，包括静触头；动触头，用于与所述静触头实现接触或分离；操动机构，用于驱动所述动触头运动，以实现与所述静触头之间不同的开距；其中，所述动触头具有三个设定的位置，第一个位置为处于闭合状态下的合闸位置，第二个位置为处于断路状态下的分闸位置，第三个位置为处于隔离状态下的隔离位置，所述动触头处于隔离位置时的开距大于所述动触头处于分闸位置时的开距；通过使用该伺服驱动隔离式断路器，能够解决传统隔离式断路器的动静触头间由于采用固定开距模式而导致隔离开关、分合闸功能不能协调合作的问题。
Description
本发明涉及电力技术，尤其涉及一种伺服驱动隔离式断路器。
目前变电站通常采用隔离式断路器(DCB，Disconnect in Circuit Breaker)来实现电路的隔离或分合闸功能，隔离式断路器即将隔离开关和断路器集成在一起，隔离开关与断路器共用一套动静触头，通过动触头运动与静触头接触或分开实现隔离式断路器的功能。使用隔离式断路器可以减少站内设备的使用数量，减少变电站空间占用量，优化变电站结构，降低成本。
隔离式断路器大都采用固定开距模式，即动静触头之间的距离是一定值，如相关技术提供的一种110kV户外高压智能隔离式断路器，包括灭弧室，灭弧室里设有动触头与静触头，动静触头间的距离为140毫米，即在原来110毫米的基础上增加到140毫米，使该结构兼容断路器与隔离开关的作用，即为了保证隔离开关功能的安全有效，通常将开距在原来数值的基础上进行适当的扩大，使动静触头之间有一定的安全距离，但是开距扩大还会使动触头与静触头的结合时间延长，影响断路器分合闸功能的灵敏性。
发明内容
本发明实施例的目的在于提供一种伺服驱动隔离式断路器，用来解决传统隔离式断路器的动静触头间由于采用固定开距模式而导致隔离开关、分合闸功能不能协调合作的问题。
为实现上述目的，本发明实施例提供的伺服驱动隔离式断路器的技术方案是：
一种伺服驱动隔离式断路器，包括：
静触头；
动触头，用于与所述静触头实现接触或分离；
操动机构，用于驱动所述动触头运动，以实现与所述静触头之间不同的开距；
其中，所述动触头具有三个设定的位置，第一个位置为处于闭合状态下的合闸位置，第二个位置为处于断路状态下的分闸位置，第三个位置为处于隔离状态下的隔离位置，所述动触头处于隔离位置时的开距大于所述动触头处于分闸位置时的开距。
上述方案中，所述操动机构包括：
伺服电机，设置有输出轴；
传动主轴，与所述伺服电机的所述输出轴相连；
传动杆，联结所述动触头与所述传动主轴；
拐臂，设置于所述传动主轴上，并与所述传动杆传动联结；
所述伺服电机，具体用于通过所述输出轴输出动力驱动所述拐臂旋转、通过所述拐臂驱动所述传动杆拉动所述动触头运动。
上述方案中，所述伺服电机设于传动主轴的一端。
上述方案中，所述伺服驱动隔离式断路器上设有用于检测与反馈动触头运动位置的位置传感器。
上述方案中，所述位置传感器设于伺服电机沿传动主轴轴向的外侧。
上述方案中，所述伺服驱动隔离式断路器上设有用于保持传动主轴转动到一定位置的抱轴制动器。
上述方案中，所述抱轴制动器设于伺服电机输出轴上且位于伺服电机
与位置传感器之间。
上述方案中，还包括：
系统控制柜，包括用于控制所述操动机构的伺服驱动系统。
上述方案中，所述伺服驱动系统，还用于当所述动触头处于所述隔离位置且所述伺服驱动隔离式断路器需要检修时，所述伺服驱动系统释放内部电能，使所述动触头不具有向所述合闸位置运动的动力源。
上述方案中，所述伺服驱动隔离式断路器还包括用于采集传动主轴的瞬态转矩的转矩传感器，转矩传感器用来实时采集传动主轴上的瞬态转矩，以通过与伺服电机计算转矩的比对，实时解析设备机械负载的变化情况。
本发明伺服驱动隔离式断路器的有益效果是：
1)由于采用设有伺服电机的操动机构，从而能够对伺服电机主轴每次旋转的角度进行控制，以实现能够驱动动触头停留在三个不同的位置；
2)在行使断路器功能时，以及，在行使隔离开关功能时，实现得到动触头和静触头之间不同的开距，且动触头处于隔离位置时的开距大于其处于分闸位置时的开距，保证分合闸动作的迅速高效和隔离开关功能的安全有效，即通过控制伺服电机，可以使伺服驱动隔离式断路器具有可变开距的功能，从而使断路器功能与隔离开关功能协调集成于一体。
图1为本发明伺服驱动隔离式断路器实施例一的结构示意图；
图2为图1中动触头位于合闸位置时局部传动机构运动状态示意图；
图3为图1中动触头位于分闸位置时局部传动机构运动状态示意图；
图4为图1中动触头位于隔离位置时局部传动机构运动状态示意图；
图5为本发明伺服驱动隔离式断路器的原理图；
图6为本发明伺服电机与设置伺服驱动系统的系统控制柜连接的示意图；
其中，1-灭弧室；2-绝缘支撑室；3-传动主轴；4-伺服电机；5-位置传感器；6-抱轴制动器；7-转矩传感器；8-拐臂；9-系统控制柜；10-上拉杆；11-下拉杆。
下面结合附图对本发明的实施方式作进一步说明。
实施例一
本发明的伺服驱动隔离式断路器的具体实施例一，如图1所示为其结构示意图，包括传动主轴3，传动主轴3的左端设有伺服电机4，伺服电机右端输出轴与传动主轴3通过联轴器联结，伺服电机4左端输出轴上设有抱轴制动器6，抱轴制动器6的外侧设有位置传感器5。
传动主轴3上部联结有三极灭弧室1，灭弧室1内部设有动触头和静触头，动触头设于静触头下方，腔室内部充满六氟化硫(SF6)气体，用以保证分合闸与隔离开关动作安全进行，动触头通过传动杆联结到传动主轴3，传动杆包括上拉杆10以及与上拉杆10铰接的下拉杆11，动触头设于上拉杆10顶端，上拉杆10设于绝缘支撑室2内部。
传动主轴3上固定设有拐臂8，拐臂8上转动连接下拉杆11，通过传动主轴3的旋转运动带动拐臂8同步旋转，再通过拐臂8与下拉杆11之间的旋转运动带动上拉杆10在绝缘支撑室2内上下运动，随之实现动触头的上下运动，与静触头实现接触或分离。
动触头有三个设定位置，第一个位置为合闸位置，当动触头与静触头接触时，为动触头的合闸位置；第二个位置为分闸位置，当动触头要与静触头分离时，而向下运动到一定的位置，此为动触头的分闸位置，合闸位置与分闸位置不需要相隔太远，以保证分合闸动作的迅速高效；第三个位置为隔离位置，当伺服驱动隔离式断路器需要行使隔离开关功能的时候，需要动触头从分闸位置继续向下运动，使动静触头之间的开距进一步增大，
以保证隔离开关功能的安全有效。
动触头在合闸位置与分闸位置间切换的过程，是本发明伺服驱动隔离式断路器行使分合闸功能的断路器模式，动触头在分闸位置与隔离位置间切换的过程，是本发明行使隔离开关功能的隔离开关模式。
伺服电机4通过旋转不同的角度可以相应地使动触头运动到合闸位置、分闸位置或隔离位置，当伺服电机转动停止时，动触头停止运动并保持在相应位置，为了使动触头更加稳定地保持在所需位置，可以使用抱轴制动器6来进一步对动触头进行位置保持。
当执行过分合闸或隔离开关动作的动触头的最终停留位置存在偏差的时候，通过位置传感器5检测到动触头的位置偏差，随之将偏差信号传送给系统控制柜9，然后系统控制柜9指示伺服电机4经过适当的旋转来调节动触头的位置，使动触头实时快速地运动到正确位置。
如图2至图4所示为本发明伺服驱动隔离式断路器实现分合闸与隔离开关功能的动作过程。
在断路器模式下，当需要将用电系统进行分闸的时候，即由图2至图3所示的过程，伺服驱动隔离式断路器的系统控制柜9收到站控系统、保护装置或就地侧发来的分闸指令，然后指示伺服电机4旋转一定的角度而使得动触头从合闸位置向下运动到分闸位置，电机旋转角度与动触头的上下运动距离具有一定的对应关系，在本实施例中，当系统控制柜9收到分闸指令时，指示伺服电机4带动传动主轴3顺时针旋转α°，同时拐臂8转过相同角度，通过拐臂8与下拉杆11间的转动连接将旋转运动转换为上拉杆10顶端动触头向下的直线运动，动触头在伺服电机4的带动下，快速启动、加速，达到开断短路电流要求的分闸速度，推动动触头和静触头高速分离，动触头停留在分闸位置，并且通过抱轴制动器6平稳停止和保持在这一位置上，为伺服驱动隔离式断路器合闸或隔离分闸做准备。
当需要处于分闸状态的用电系统进行合闸的时候，即由图3至图2所示的过程，伺服驱动隔离式断路器的系统控制柜9收到站控系统、保护装置或就地侧发来的合闸指令，然后指示伺服电机4旋转一定的角度而使得动触头从分闸位置向上运动到合闸位置，在本实施例中，当系统控制柜9收到合闸指令时，指示伺服电机4带动传动主轴3逆时针旋转α°，同时拐臂8转过相同角度，通过拐臂8与下拉杆11间的转动连接将旋转运动转换为上拉杆10顶端动触头向上的直线运动，动触头在伺服电机4的带动下，快速启动、加速，达到要求的合闸速度，推动动触头和静触头快速闭合，动触头停留在合闸位置，并且通过抱轴制动器6平稳停止和保持在这一位置上，为伺服驱动隔离式断路器分闸做准备。
系统控制柜9控制伺服电机4使动触头在上述分闸位置与合闸位置间切换，为本发明伺服驱动隔离式断路器的断路器模式，能够实现分合闸功能。
在隔离开关模式下，当需要处于分闸状态的用电系统进行隔离开关分闸的时候，即由图3至图4所示的过程，系统控制柜9收到站控系统或就地侧发来的隔离开关分闸指令时，指示伺服电机4旋转一定的角度而使得动触头从分闸位置向下运动到隔离位置，在本实施例中，当系统控制柜9收到隔离开关指令时，指示伺服电机4带动传动主轴3顺时针旋转β°，同时拐臂8转过相同角度，通过拐臂8与下拉杆11间的转动连接将旋转运动转换为上拉杆10顶端动触头向下的直线运动，推动触头系统继续分离，动触头在伺服电机带动下以设定的运行速度运动，最后停止在隔离位置，然后通过抱轴制动器6进一步稳定保持在这一位置上，为伺服驱动隔离式断路器隔离开关合闸做准备。
参见图6，系统控制柜中设置伺服驱动系统，包括：伺服驱动器(强电控制器件，包括变频功能)、控制系统、储能电源和储能电容器。
当所述动触头处于所述隔离位置且伺服驱动隔离式断路器需要检修时，控制系统(可以是远端控制，也可以是控制系统本地手动控制)断开K1开关所处回路，使储能电源无法通过伺服驱动器向伺服电机供电，同时，闭合K2闭合使储能电容器储存的电容被释放，这样，使得伺服电机不具有向合闸位置运动的任何动力源，确保触头不会向合闸位置移动，这样实现了保证检修的绝对安全的效果。检修完成后，K1闭合，K2重新断开，储能电容器被重新储能，为后续操作做准备。
结合图5所示，当需要处于隔离状态的用电系统进行隔离开关合闸的时候，即由图4至图3所示的过程，系统控制柜9收到站控系统或就地侧发来的隔离开关合闸指令时，指示伺服电机4带动传动主轴3逆时针旋转β°，同时拐臂8转过相同角度，通过拐臂8与下拉杆11间的转动连接将旋转运动转换为上拉杆10顶端动触头向上的直线运动，使动静触头相互靠近，动触头在伺服电机带动下以设定的运行速度运动，最后停止在分闸位置，然后通过抱轴制动器6进一步稳定保持在这一位置上，并且为伺服驱动隔离式断路器的快速合闸或隔离分闸做准备。
传动主轴3上靠近联轴器处还设有转矩传感器7，用来实时采集传动主轴上的瞬态转矩，通过与伺服电机4计算转矩的比对，可以实时解析设备机械负载的变化情况，为本体提供故障先兆预判和运行趋势分析构建可靠的数据基础。
实施例二
作为本发明伺服驱动隔离式断路器的具体实施例二，与实施方式一的不同之处在于，省略设置矩传感器。
本发明伺服驱动隔离式断路器的有益效果是：
1)采用设有伺服电机的操动机构，可以对伺服电机主轴每次旋转的角度进行控制，以实现能够驱动动触头停留在三个不同的位置，在行使断路
器功能时，可使该驱动机构旋转一定角度，使处于闭合导通状态的动触头与静触头分离，动触头由合闸位置运动到分闸位置；
2)在行使隔离开关功能时，可使该驱动机构旋转另一角度，动触头继续与静触头分离，使处于分闸位置的动触头运动到隔离位置，得到一较大开距；这样能够得到动静触头之间不同的开距，动触头处于隔离位置时的开距大于其处于分闸位置时的开距，用以保证分合闸动作的迅速高效和隔离开关功能的安全有效，即通过控制伺服电机，可以使伺服驱动隔离式断路器具有可变开距的功能，从而使断路器功能与隔离开关功能协调集成于一体。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。
Claims (10)
- 一种隔离式断路器，所述隔离式断路器为伺服驱动式断路器；所述隔离式断路器包括：静触头；动触头，用于与所述静触头实现接触或分离；操动机构，用于驱动所述动触头运动，以实现与所述静触头之间不同的开距；其中，所述动触头具有三个设定的位置，第一个位置为处于闭合状态下的合闸位置，第二个位置为处于断路状态下的分闸位置，第三个位置为处于隔离状态下的隔离位置，所述动触头处于隔离位置时的开距大于所述动触头处于分闸位置时的开距。
- 根据权利要求1所述的隔离式断路器，其中，所述操动机构包括：伺服电机，设置有输出轴；传动主轴，与所述伺服电机的所述输出轴相连；传动杆，联结所述动触头与所述传动主轴；拐臂，设置于所述传动主轴上，并与所述传动杆传动联结；所述伺服电机，具体用于通过所述输出轴输出动力驱动所述拐臂旋转、通过所述拐臂驱动所述传动杆拉动所述动触头运动。
- 根据权利要求2所述的隔离式断路器，其中，所述伺服电机设于所述传动主轴的一端。
- 根据权利要求3所述的隔离式断路器，其中，所述隔离式断路器还包括：位置传感器，用于检测与反馈所述动触头的运动位置。
- 根据权利要求4所述的隔离式断路器，其中，所述位置传感器设于所述伺服电机沿所述传动主轴轴向的外侧。
- 根据权利要求4或5所述的隔离式断路器，其中，所述隔离式断路器还包括：抱轴制动器，用于保持所述传动主轴转动到预定位置。
- 根据权利要求6所述的隔离式断路器，其中，所述抱轴制动器设于所述伺服电机的所述输出轴上，且位于所述伺服电机与所述位置传感器之间。
- 根据权利要求7所述的隔离式断路器，其中，所述隔离式断路器还包括：系统控制柜，包括用于控制所述操动机构的伺服驱动系统。
- 根据权利要求7所述的隔离式断路器，其中，所述伺服驱动系统，还用于当所述动触头处于所述隔离位置且所述伺服驱动隔离式断路器需要检修时，释放所述伺服驱动系统内部电能，使所述动触头不具有向所述合闸位置运动的动力源。
- 根据权利要求2至5任一项所述的隔离式断路器，其中，所述隔离式断路器还包括：转矩传感器，设置于所述传动主轴上，用于采集所述传动主轴的瞬态转矩，将实时采集传动主轴上的瞬态转矩与所述伺服电机计算转矩进行比对，实时解析设备机械负载的变化情况。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928295.8 | 2016-10-31 | ||
| CN201610928295.8A CN106504915A (zh) | 2016-10-31 | 2016-10-31 | 一种隔离式断路器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018076455A1 true WO2018076455A1 (zh) | 2018-05-03 |
Family
ID=58318627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2016/108106 WO2018076455A1 (zh) | 2016-10-31 | 2016-11-30 | 一种伺服驱动隔离式断路器 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106504915A (zh) |
| WO (1) | WO2018076455A1 (zh) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326481A (zh) * | 2018-10-31 | 2019-02-12 | 河南华盛隆源电气有限公司 | 外置隔离的断路器 |
| CN110112030A (zh) * | 2019-05-27 | 2019-08-09 | 宁夏力成电气集团有限公司 | 一种高原型户内高压真空断路器 |
| CN110120319A (zh) * | 2019-05-23 | 2019-08-13 | 山东泰开隔离开关有限公司 | 一种垂直伸缩式气动高压隔离开关 |
| CN112701003A (zh) * | 2020-11-27 | 2021-04-23 | 平高集团有限公司 | 三相操动机构及使用该操动机构的三相开关 |
| CN113345754A (zh) * | 2020-07-17 | 2021-09-03 | 许继集团有限公司 | 一种变力臂开关操作机构、接地开关和隔离开关 |
| CN114783820A (zh) * | 2022-04-07 | 2022-07-22 | 江苏威伦智能电气设备有限公司 | 一种可以同时闭锁手动电动分合闸功能的柱上真空断路器 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068473A (zh) * | 2017-04-24 | 2017-08-18 | 平高集团有限公司 | 一种高压开关用传动限位装置 |
| CN107068475A (zh) * | 2017-04-24 | 2017-08-18 | 平高集团有限公司 | 一种传动限位装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040262134A1 (en) * | 2003-05-16 | 2004-12-30 | Johannes-Gerhard Banghard | Low-voltage circuit breaker |
| CN101256914A (zh) * | 2008-03-05 | 2008-09-03 | 沈阳工业大学 | 高压断路器旋转伺服电机操动机构 |
| CN102891034A (zh) * | 2012-09-19 | 2013-01-23 | 河南平高电气股份有限公司 | 一种高压断路器及其操动机构 |
| CN203232849U (zh) * | 2013-05-06 | 2013-10-09 | 国家电网公司 | 一种新型隔离断路器 |
| CN103646813A (zh) * | 2013-12-02 | 2014-03-19 | 中国西电电气股份有限公司 | 一种隔离断路器传动机构及方法 |
| CN206259270U (zh) * | 2016-10-31 | 2017-06-16 | 平高集团有限公司 | 隔离式断路器 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3402135B2 (ja) * | 1997-07-23 | 2003-04-28 | 株式会社日立製作所 | 真空スイッチ及び真空スイッチギヤ |
| EP1939908A1 (en) * | 2006-12-29 | 2008-07-02 | ABB Technology Ltd | Method of operating a circuit breaker |
-
2016
- 2016-10-31 CN CN201610928295.8A patent/CN106504915A/zh active Pending
- 2016-11-30 WO PCT/CN2016/108106 patent/WO2018076455A1/zh active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040262134A1 (en) * | 2003-05-16 | 2004-12-30 | Johannes-Gerhard Banghard | Low-voltage circuit breaker |
| CN101256914A (zh) * | 2008-03-05 | 2008-09-03 | 沈阳工业大学 | 高压断路器旋转伺服电机操动机构 |
| CN102891034A (zh) * | 2012-09-19 | 2013-01-23 | 河南平高电气股份有限公司 | 一种高压断路器及其操动机构 |
| CN203232849U (zh) * | 2013-05-06 | 2013-10-09 | 国家电网公司 | 一种新型隔离断路器 |
| CN103646813A (zh) * | 2013-12-02 | 2014-03-19 | 中国西电电气股份有限公司 | 一种隔离断路器传动机构及方法 |
| CN206259270U (zh) * | 2016-10-31 | 2017-06-16 | 平高集团有限公司 | 隔离式断路器 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326481A (zh) * | 2018-10-31 | 2019-02-12 | 河南华盛隆源电气有限公司 | 外置隔离的断路器 |
| CN109326481B (zh) * | 2018-10-31 | 2024-05-07 | 河南华盛隆源电气有限公司 | 外置隔离的断路器 |
| CN110120319A (zh) * | 2019-05-23 | 2019-08-13 | 山东泰开隔离开关有限公司 | 一种垂直伸缩式气动高压隔离开关 |
| CN110120319B (zh) * | 2019-05-23 | 2024-04-12 | 山东泰开隔离开关有限公司 | 一种垂直伸缩式气动高压隔离开关 |
| CN110112030A (zh) * | 2019-05-27 | 2019-08-09 | 宁夏力成电气集团有限公司 | 一种高原型户内高压真空断路器 |
| CN110112030B (zh) * | 2019-05-27 | 2024-01-16 | 宁夏力成电气集团有限公司 | 一种高原型户内高压真空断路器 |
| CN113345754A (zh) * | 2020-07-17 | 2021-09-03 | 许继集团有限公司 | 一种变力臂开关操作机构、接地开关和隔离开关 |
| CN113345754B (zh) * | 2020-07-17 | 2024-04-16 | 许继集团有限公司 | 一种变力臂开关操作机构、接地开关和隔离开关 |
| CN112701003A (zh) * | 2020-11-27 | 2021-04-23 | 平高集团有限公司 | 三相操动机构及使用该操动机构的三相开关 |
| CN114783820A (zh) * | 2022-04-07 | 2022-07-22 | 江苏威伦智能电气设备有限公司 | 一种可以同时闭锁手动电动分合闸功能的柱上真空断路器 |
| CN114783820B (zh) * | 2022-04-07 | 2023-07-21 | 江苏威伦智能电气设备有限公司 | 一种可以同时闭锁手动电动分合闸功能的柱上真空断路器 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106504915A (zh) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018076455A1 (zh) | 一种伺服驱动隔离式断路器 | |
| CN106683919B (zh) | 一种操动机构及使用该操动机构的开关装置 | |
| CN204632628U (zh) | 用于高压开关柜中断路器主轴与隔离操作轴的互锁装置 | |
| CN201360109Y (zh) | 126kv复合式组合电器 | |
| CN108376627B (zh) | 一种三相传动机构及使用该三相传动机构的断路器 | |
| CN203967593U (zh) | 一种断路器手车紧急分闸装置 | |
| CN206864379U (zh) | 一种三工位机构控制与辅助传动结构 | |
| CN206259270U (zh) | 隔离式断路器 | |
| CN104134567B (zh) | 隔离开关用开断装置及使用该开断装置的隔离开关 | |
| CN203521293U (zh) | 一种自动切换中置移开式真空断路器 | |
| CN102386675B (zh) | 一种自动转换开关 | |
| CN201392740Y (zh) | 三工位开关操作机构 | |
| CN108493071A (zh) | 一种配永磁同步电机操动机构的高压断路器 | |
| CN104483116A (zh) | 一种应用在智能环网柜上的在线监测装置及方法 | |
| CN109427504A (zh) | 一种电磁式防反弹装置及具有调节分闸速度功能的断路器 | |
| CN211828622U (zh) | 一种户内高压智能选相断路器传动系统 | |
| CN103515158B (zh) | 10kv高压弹力开关 | |
| CN203787302U (zh) | 用于高压开关配电设备的操作机构 | |
| CN209418408U (zh) | 一种断路器 | |
| CN216562901U (zh) | 一种户外隔离开关 | |
| CN207663984U (zh) | 一种高压无重燃真空断路器 | |
| CN106960741B (zh) | 熔断器用接地联动装置及使用该装置的开关柜 | |
| CN108933057B (zh) | 三工位隔离开关及其行程开关 | |
| CN216818114U (zh) | 配网环网柜智能操控便携式系统 | |
| CN106158502B (zh) | 户外铁道用单极真空断路器 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16920436 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 16920436 Country of ref document: EP Kind code of ref document: A1 |