WO2021238148A1 - Auxiliary device for vacuum load switch operating mechanism - Google Patents
Auxiliary device for vacuum load switch operating mechanism Download PDFInfo
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- WO2021238148A1 WO2021238148A1 PCT/CN2020/135255 CN2020135255W WO2021238148A1 WO 2021238148 A1 WO2021238148 A1 WO 2021238148A1 CN 2020135255 W CN2020135255 W CN 2020135255W WO 2021238148 A1 WO2021238148 A1 WO 2021238148A1
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- wall
- load switch
- auxiliary device
- operating mechanism
- vacuum load
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
Definitions
- the utility model relates to the technical field of vacuum load switches, in particular to an auxiliary device for a vacuum load switch operating mechanism.
- High-voltage vacuum load switches are suitable for three-phase AC 10KV, 50HZ power systems, or used with complete sets of power distribution equipment, ring network switch cabinets, combined substations, etc., and are widely used in area network construction and transformation projects, industrial and mining enterprises, and high-rise buildings And public facilities, etc., can be used as a ring network power supply or terminal, playing the role of electric energy distribution, control and protection.
- the auxiliary device used for the vacuum load switch operating mechanism still has certain shortcomings. During use, when the temperature in the switch cabinet exceeds forty degrees, it will affect the use of the high-voltage vacuum load switch. Therefore, it is urgent to design a Vacuum load switch operating mechanism auxiliary device to solve the above problems.
- the purpose of the utility model is to solve the shortcomings in the prior art, and proposes a vacuum load switch operating mechanism auxiliary device.
- a vacuum load switch operating mechanism auxiliary device includes a switch cabinet, the bottom inner wall of the switch cabinet is provided with a mounting frame, and the top outer wall of the mounting frame is connected with a load switch through bolts, and the bottom outer wall of the switch cabinet is connected with bolts Water tank, and the bottom inner wall of the water tank is connected with a liquid pump by bolts, the water outlet end of the liquid pump is provided with a catheter, and one end of the catheter is provided with a spiral tube, and one end of the spiral tube is welded with a return pipe on the outer wall , And one end of the return pipe is connected with the water tank, the top outer wall of the switchgear is provided with a mounting opening, and the inner wall of the mounting opening is welded with a fixed cylinder, and one side of the fixed cylinder is connected with a fan through a bolt.
- the air outlet end is provided with an air guide tube, one end of the air guide tube is provided with an air guide hood, the bottom inner wall of the switch cabinet is sequentially provided with a temperature sensor and a humidity sensor, and one side of the switch cabinet is opened on the outer wall of the switch cabinet.
- the opening, and the inner wall of the access opening is connected with a cabinet door through a hinge rotation.
- the air inlet end of the fan is provided with an air inlet pipe, and an electromagnetic three-way valve is arranged on the outer wall of one end of the air inlet pipe, and an air suction pipe is arranged on the top outer wall of the electromagnetic three-way valve.
- a connecting pipe is arranged on one side of the outer wall of the electromagnetic three-way valve, and a drying box is arranged on the outer wall of one end of the connecting pipe, and a drying ball is placed inside the drying box.
- the inner wall of the drying box is welded with staggered partitions, and one side of the outer wall of the drying box is provided with a plurality of air inlets.
- the temperature sensor, liquid pump, humidity sensor, fan and electromagnetic three-way valve are all connected with a switch through a wire, and the switch is connected with a power source through a wire.
- an observation port is opened on one side of the outer wall of the cabinet door, and the inner wall of the observation port is connected with an observation window by bolts.
- a fixed opening is opened on one side of the outer wall of the cabinet door, and the number of fixed openings is two, and the inner wall of the fixed opening is bonded with insulating gloves.
- Figure 1 is a schematic cross-sectional structure diagram of a vacuum load switch operating mechanism auxiliary device proposed by the utility model
- Fig. 2 is a schematic diagram of an enlarged structure at A in Fig. 1;
- Figure 3 is a schematic diagram of the overall structure of a vacuum load switch operating mechanism auxiliary device proposed by the utility model
- Fig. 4 is a schematic diagram of the front view of the auxiliary device of the vacuum load switch operating mechanism proposed by the utility model.
- an auxiliary device for a vacuum load switch operating mechanism includes a switch cabinet 1.
- a mounting frame 9 is provided on the bottom inner wall of the switch cabinet 1, and a load switch 10 is connected to the top outer wall of the mounting frame 9 through bolts.
- the switch cabinet The bottom outer wall of 1 is connected with a water tank 5 by bolts, and the bottom inner wall of the water tank 5 is connected with a liquid pump 6 by bolts. 15.
- One end of the spiral tube 15 is welded with a return pipe 3 on the outer wall, and one end of the return pipe 3 is connected to the water tank 5.
- the top outer wall of the switchgear 1 has an installation opening, and the inner wall of the installation opening is welded with a fixed cylinder 14, fixed cylinder
- One side of the outer wall of 14 is connected to the fan 11 by bolts, and the air outlet end of the fan 11 is provided with an air duct 12, one end of the air duct 12 is welded with a wind deflector 13 on the outer wall, and the bottom inner wall of the switch cabinet 1 is sequentially set with temperature
- one side of the outer wall of the switch cabinet 1 is provided with an access port, and the inner wall of the access port is connected with a cabinet door 23 through a hinge rotation.
- the air inlet end of the fan 11 is provided with an intake pipe 16, and one end of the intake pipe 16 is provided with an electromagnetic three-way valve 17 on the outer wall of the top of the electromagnetic three-way valve 17 is provided with a suction pipe 18, the electromagnetic three-way valve 17
- One side of the outer wall is provided with a connecting pipe, and one end of the connecting pipe is welded with a drying box 19 on the outer wall, a drying ball 22 is placed inside the drying box 19, and the inner wall of the drying box 19 is welded with staggered partitions 20, and the drying box 19
- a plurality of air intake holes 21 are opened on one side of the outer wall.
- the temperature sensor 4, the liquid pump 6, the humidity sensor 7, the fan 11 and the electromagnetic three-way valve 17 are all connected with a switch through a wire, and the switch is connected with a power source through a wire.
- the electromagnetic three-way valve 17 causes the fan 11 to communicate with the drying box 19, and the outside air is dried by the drying ball 22 before being introduced into the switch In the cabinet 1, the humid air in the switch cabinet 1 can be led out to avoid the influence of the humid air on the load switch, and further improve the service life of the vacuum load switch.
- this embodiment also includes an observation port on one side of the outer wall of the cabinet door 23, and an observation window 24 is connected to the inner wall of the observation port by bolts.
- One side of the outer wall of the cabinet door 23 is provided with a fixed opening, and the number of fixed openings is two, and the inner wall of the fixed opening is bonded with insulating gloves 25.
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- Drying Of Solid Materials (AREA)
Abstract
Description
本实用新型涉及真空负荷开关技术领域,尤其涉及一种真空负荷开关操作机构辅助装置。The utility model relates to the technical field of vacuum load switches, in particular to an auxiliary device for a vacuum load switch operating mechanism.
高压真空负荷开关适用于三相交流10KV、50HZ的电力系统中,或与成套配电设备及环网开关柜,组合式变电站等配套使用,广泛用于域网建设改造工程、工矿企业、高层建筑和公共设施等,可作为环网供电或终端,起着电能的分配、控制和保护的作用。High-voltage vacuum load switches are suitable for three-phase AC 10KV, 50HZ power systems, or used with complete sets of power distribution equipment, ring network switch cabinets, combined substations, etc., and are widely used in area network construction and transformation projects, industrial and mining enterprises, and high-rise buildings And public facilities, etc., can be used as a ring network power supply or terminal, playing the role of electric energy distribution, control and protection.
目前,用于真空负荷开关操作机构辅助装置仍存在一定的不足之处,使用过程中,当开关柜内的温度超过四十度时会影响高压真空负荷开关的使用,因此,亟需设计一种真空负荷开关操作机构辅助装置来解决上述问题。At present, the auxiliary device used for the vacuum load switch operating mechanism still has certain shortcomings. During use, when the temperature in the switch cabinet exceeds forty degrees, it will affect the use of the high-voltage vacuum load switch. Therefore, it is urgent to design a Vacuum load switch operating mechanism auxiliary device to solve the above problems.
实用新型内容Utility model content
本实用新型的目的是为了解决现有技术中存在的缺点,而提出的一种真空负荷开关操作机构辅助装置。The purpose of the utility model is to solve the shortcomings in the prior art, and proposes a vacuum load switch operating mechanism auxiliary device.
为了实现上述目的,本实用新型采用了如下技术方案:In order to achieve the above purpose, the present utility model adopts the following technical solutions:
一种真空负荷开关操作机构辅助装置,包括开关柜,所述开关柜的底部内壁设置有安装架,且安装架的顶部外壁通过螺栓连接有负荷开关,所述开关柜的底部外壁通过螺栓连接有水箱,且水箱的底部内壁通过螺栓连接有液泵,所述液泵的出水端设置有导液管,且导液管的一端外壁设置有螺旋管,所述螺旋管的一端外壁焊接有回流管,且回流管的一端和水箱相连通,所述开关柜的顶部外壁开有安装口,且安装口的内壁焊接有固定筒,所述固定筒的一侧外壁通过螺栓连接有风机,且风机的出风端设置有导风管,所述导风管的一端外壁设置有导风罩,所述开关柜的底部内壁依次设置有温度传感器和湿度传感器,所述开关柜的一侧外壁开有取放口,且取放口的内壁通过铰链转动连接有柜门。A vacuum load switch operating mechanism auxiliary device includes a switch cabinet, the bottom inner wall of the switch cabinet is provided with a mounting frame, and the top outer wall of the mounting frame is connected with a load switch through bolts, and the bottom outer wall of the switch cabinet is connected with bolts Water tank, and the bottom inner wall of the water tank is connected with a liquid pump by bolts, the water outlet end of the liquid pump is provided with a catheter, and one end of the catheter is provided with a spiral tube, and one end of the spiral tube is welded with a return pipe on the outer wall , And one end of the return pipe is connected with the water tank, the top outer wall of the switchgear is provided with a mounting opening, and the inner wall of the mounting opening is welded with a fixed cylinder, and one side of the fixed cylinder is connected with a fan through a bolt. The air outlet end is provided with an air guide tube, one end of the air guide tube is provided with an air guide hood, the bottom inner wall of the switch cabinet is sequentially provided with a temperature sensor and a humidity sensor, and one side of the switch cabinet is opened on the outer wall of the switch cabinet. The opening, and the inner wall of the access opening is connected with a cabinet door through a hinge rotation.
作为本实用新型再进一步的方案:所述风机的进风端设置有进气管,且进气管的一端外壁设置有电磁三通阀,电磁三通阀的顶部外壁设置有吸风管。As a further solution of the present invention: the air inlet end of the fan is provided with an air inlet pipe, and an electromagnetic three-way valve is arranged on the outer wall of one end of the air inlet pipe, and an air suction pipe is arranged on the top outer wall of the electromagnetic three-way valve.
作为本实用新型再进一步的方案:所述电磁三通阀的一侧外壁设置有连通管,且连通管的一端外壁设置有干燥盒,干燥盒的内部放置有干燥球。As a further solution of the present invention: a connecting pipe is arranged on one side of the outer wall of the electromagnetic three-way valve, and a drying box is arranged on the outer wall of one end of the connecting pipe, and a drying ball is placed inside the drying box.
作为本实用新型再进一步的方案:所述干燥盒的内壁焊接有交错分布的隔板,且干燥盒的一侧外壁开有多个进气孔。As a further solution of the present invention: the inner wall of the drying box is welded with staggered partitions, and one side of the outer wall of the drying box is provided with a plurality of air inlets.
作为本实用新型再进一步的方案:所述温度传感器、液泵、湿度传感器、风机和电磁三通 阀均通过导线连接有开关,且开关通过导线连接有电源。As a further solution of the present invention: the temperature sensor, liquid pump, humidity sensor, fan and electromagnetic three-way valve are all connected with a switch through a wire, and the switch is connected with a power source through a wire.
作为本实用新型再进一步的方案:所述柜门的一侧外壁开有观察口,且观察口的内壁通过螺栓连接有观察窗。As a further solution of the present invention: an observation port is opened on one side of the outer wall of the cabinet door, and the inner wall of the observation port is connected with an observation window by bolts.
作为本实用新型再进一步的方案:所述柜门的一侧外壁开有固定口,且固定口的数量为两个,固定口的内壁粘接有绝缘手套。As a further solution of the present invention: a fixed opening is opened on one side of the outer wall of the cabinet door, and the number of fixed openings is two, and the inner wall of the fixed opening is bonded with insulating gloves.
本实用新型的有益效果为:The beneficial effects of the utility model are:
1.通过设置的水箱、液泵、温度传感器、螺旋管、风机和导风罩,当温度传感器检测到开关柜内温度较高时,会促使液泵工作,将水箱内的冷却液导入螺旋管,然后再通过回流管导回水箱,同时风机工作将外界空气吹进固定筒中,固定筒内的螺旋管可以对空气起到有效的降温作用,降温后的冷空气便可以快速使开关柜内的温度降低,有效延长了真空负荷开关的使用寿命;1. Through the set of water tank, liquid pump, temperature sensor, spiral tube, fan and wind deflector, when the temperature sensor detects that the temperature in the switch cabinet is high, it will prompt the liquid pump to work and introduce the coolant in the water tank into the spiral tube , And then lead back to the water tank through the return pipe. At the same time, the fan works to blow the outside air into the fixed cylinder. The spiral pipe in the fixed cylinder can effectively reduce the temperature of the air. The temperature is lowered, effectively prolonging the service life of the vacuum load switch;
2.通过设置的湿度传感器、隔板、干燥球和电磁三通阀,当湿度传感器检测到开关柜中湿度较高时,电磁三通阀促使风机与干燥盒连通,外界空气经过干燥球干燥后再导入开关柜中,可以将开关柜中的潮湿空气导出,避免潮湿空气对负荷开关造成影响,进一步提高了真空负荷开关的使用寿命;2. Through the set humidity sensor, partition, drying ball and electromagnetic three-way valve, when the humidity sensor detects that the humidity in the switch cabinet is high, the electromagnetic three-way valve will cause the fan to communicate with the drying box, and the outside air will be dried by the drying ball. Re-introducing it into the switch cabinet can lead out the humid air in the switch cabinet to avoid the influence of the humid air on the load switch and further improve the service life of the vacuum load switch;
3.通过设置的观察窗和绝缘手套,当定期对负荷开关进行检查和维护时,可以将双手置入绝缘手套,并通过观察窗观察,将负荷开关电源断开,有效提高了定期检查时的安全性。3. Through the set observation window and insulated gloves, when the load switch is regularly inspected and maintained, you can put your hands in the insulated gloves, and observe through the observation window to disconnect the load switch power supply, which effectively improves the periodical inspection safety.
图1为本实用新型提出的一种真空负荷开关操作机构辅助装置的剖视结构示意图;Figure 1 is a schematic cross-sectional structure diagram of a vacuum load switch operating mechanism auxiliary device proposed by the utility model;
图2为图1中的A处放大结构示意图;Fig. 2 is a schematic diagram of an enlarged structure at A in Fig. 1;
图3为本实用新型提出的一种真空负荷开关操作机构辅助装置的整体结构示意图;Figure 3 is a schematic diagram of the overall structure of a vacuum load switch operating mechanism auxiliary device proposed by the utility model;
图4为本实用新型提出的一种真空负荷开关操作机构辅助装置的主视结构示意图。Fig. 4 is a schematic diagram of the front view of the auxiliary device of the vacuum load switch operating mechanism proposed by the utility model.
图中:1开关柜、2透气孔、3回流管、4温度传感器、5水箱、6液泵、7湿度传感器、8导液管、9安装架、10负荷开关、11风机、12导风管、13导风罩、14固定筒、15螺旋管、16进气管、17电磁三通阀、18吸风管、19干燥盒、20隔板、21进气孔、22干燥球、23柜门、24观察窗、25绝缘手套。In the picture: 1 switch cabinet, 2 ventilation holes, 3 return pipe, 4 temperature sensor, 5 water tank, 6 liquid pump, 7 humidity sensor, 8 liquid pipe, 9 mounting frame, 10 load switch, 11 fan, 12 air duct , 13 air duct, 14 fixed cylinder, 15 spiral pipe, 16 air inlet pipe, 17 electromagnetic three-way valve, 18 suction pipe, 19 drying box, 20 partition, 21 air inlet, 22 drying ball, 23 cabinet door, 24 observation windows, 25 insulated gloves.
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。The technical solution of this patent will be described in further detail below in conjunction with specific implementations.
下面详细描述本专利的实施例,所述实施例的示例在附图中示出,其中自始至终相同或 类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的,仅用于解释本专利,而不能理解为对本专利的限制。The embodiments of this patent are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the patent, and cannot be understood as a limitation to the patent.
在本专利的描述中,需要理解的是,术语“中心”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本专利和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本专利的限制。In the description of this patent, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the patent and simplifying the description, rather than indicating or implying The device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of this patent.
在本专利的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“设置”应做广义理解,例如,可以是固定相连、设置,也可以是可拆卸连接、设置,或一体地连接、设置。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本专利中的具体含义。In the description of this patent, it should be noted that the terms "installation", "connection", "connection", and "setting" should be understood in a broad sense, unless clearly stipulated and limited otherwise. For example, they can be fixed connection, setting , It can also be detachably connected and arranged, or integrally connected and arranged. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in this patent can be understood according to specific circumstances.
实施例1Example 1
参照图1-3,一种真空负荷开关操作机构辅助装置,包括开关柜1,开关柜1的底部内壁设置有安装架9,且安装架9的顶部外壁通过螺栓连接有负荷开关10,开关柜1的底部外壁通过螺栓连接有水箱5,且水箱5的底部内壁通过螺栓连接有液泵6,液泵6的出水端设置有导液管8,且导液管8的一端外壁焊接有螺旋管15,螺旋管15的一端外壁焊接有回流管3,且回流管3的一端和水箱5相连通,开关柜1的顶部外壁开有安装口,且安装口的内壁焊接有固定筒14,固定筒14的一侧外壁通过螺栓连接有风机11,且风机11的出风端设置有导风管12,导风管12的一端外壁焊接有导风罩13,开关柜1的底部内壁依次设置有温度传感器4和湿度传感器,开关柜1的一侧外壁开有取放口,且取放口的内壁通过铰链转动连接有柜门23。Referring to Figures 1-3, an auxiliary device for a vacuum load switch operating mechanism includes a
其中,风机11的进风端设置有进气管16,且进气管16的一端外壁设置有电磁三通阀17,电磁三通阀17的顶部外壁设置有吸风管18,电磁三通阀17的一侧外壁设置有连通管,且连通管的一端外壁焊接有干燥盒19,干燥盒19的内部放置有干燥球22,干燥盒19的内壁焊接有交错分布的隔板20,且干燥盒19的一侧外壁开有多个进气孔21,温度传感器4、液泵6、湿度传感器7、风机11和电磁三通阀17均通过导线连接有开关,且开关通过导线连接有电源。Among them, the air inlet end of the
工作原理:使用时,当温度传感器4检测到开关柜1内温度较高时,会促使液泵6工作,将水箱5内的冷却液导入螺旋管15,然后再通过回流管3导回水箱5,同时风机11工作将外界空气吹进固定筒14中,固定筒14内的螺旋管15可以对空气起到有效的降温作用,降温后的冷空气便可以快速使开关柜1内的温度降低,有效延长了真空负荷开关的使用寿命,当湿度传感器7检测到开关柜1中湿度较高时,电磁三通阀17促使风机11与干燥盒19连通,外界 空气经过干燥球22干燥后再导入开关柜1中,可以将开关柜1中的潮湿空气导出,避免潮湿空气对负荷开关造成影响,进一步提高了真空负荷开关的使用寿命。Working principle: When in use, when the
实施例2Example 2
参照图4,一种真空负荷开关操作机构辅助装置,本实施例相较于实施例1,还包括柜门23的一侧外壁开有观察口,且观察口的内壁通过螺栓连接有观察窗24,柜门23的一侧外壁开有固定口,且固定口的数量为两个,固定口的内壁粘接有绝缘手套25。4, an auxiliary device for a vacuum load switch operating mechanism. Compared with
工作原理:使用时,当定期对负荷开关10进行检查和维护时,可以将双手置入绝缘手套25,并通过观察窗24观察,将负荷开关电源断开,有效提高了定期检查时的安全性。Working principle: When in use, when the
以上所述,仅为本实用新型较佳的具体实施方式,但本实用新型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实用新型揭露的技术范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都应涵盖在本实用新型的保护范围之内。The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited to this. Anyone familiar with the technical field in the technical scope disclosed in the present utility model, according to the present utility model The technical solutions of the new type and its utility model concept shall be equivalently replaced or changed, and shall be covered by the scope of protection of the present utility model.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020909430.6U CN211788814U (en) | 2020-05-26 | 2020-05-26 | Auxiliary device for operating mechanism of vacuum load switch |
| CN202020909430.6 | 2020-05-26 |
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| Publication Number | Publication Date |
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| WO2021238148A1 true WO2021238148A1 (en) | 2021-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2020/135255 Ceased WO2021238148A1 (en) | 2020-05-26 | 2020-12-10 | Auxiliary device for vacuum load switch operating mechanism |
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| CN (1) | CN211788814U (en) |
| WO (1) | WO2021238148A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114423235A (en) * | 2022-01-19 | 2022-04-29 | 江苏宗申车业有限公司 | A high-precision and high-performance motor controller for passenger tricycles |
| CN114745911A (en) * | 2022-04-02 | 2022-07-12 | 青岛大学 | Automatic power-on and power-off control device for elevator |
| CN115295353A (en) * | 2022-08-15 | 2022-11-04 | 合肥开关厂有限公司 | Zero-crossing breaking high-voltage vacuum circuit breaker |
| CN115296170A (en) * | 2022-08-23 | 2022-11-04 | 江苏宝亨新电气有限公司 | Combined switch cabinet convenient to install and installation method thereof |
| CN116646845A (en) * | 2023-06-27 | 2023-08-25 | 张庆正 | Electric automatization control box |
| CN119028776A (en) * | 2024-10-23 | 2024-11-26 | 中宝电气有限公司 | Primary and secondary fusion capacitor power supply permanent magnet recloser |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211788814U (en) * | 2020-05-26 | 2020-10-27 | 向子全 | Auxiliary device for operating mechanism of vacuum load switch |
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- 2020-05-26 CN CN202020909430.6U patent/CN211788814U/en not_active Expired - Fee Related
- 2020-12-10 WO PCT/CN2020/135255 patent/WO2021238148A1/en not_active Ceased
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| JP2001244680A (en) * | 2000-02-29 | 2001-09-07 | Sanmei Electric Co Ltd | Cooling device for control box |
| CN206461234U (en) * | 2017-01-22 | 2017-09-01 | 山西晋电电力科技有限公司电网技术分公司 | A kind of power engineering switch board |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114423235A (en) * | 2022-01-19 | 2022-04-29 | 江苏宗申车业有限公司 | A high-precision and high-performance motor controller for passenger tricycles |
| CN114745911A (en) * | 2022-04-02 | 2022-07-12 | 青岛大学 | Automatic power-on and power-off control device for elevator |
| CN115295353A (en) * | 2022-08-15 | 2022-11-04 | 合肥开关厂有限公司 | Zero-crossing breaking high-voltage vacuum circuit breaker |
| CN115296170A (en) * | 2022-08-23 | 2022-11-04 | 江苏宝亨新电气有限公司 | Combined switch cabinet convenient to install and installation method thereof |
| CN116646845A (en) * | 2023-06-27 | 2023-08-25 | 张庆正 | Electric automatization control box |
| CN116646845B (en) * | 2023-06-27 | 2024-02-09 | 陕西斯迈尔电气有限公司 | Electric automatization control box |
| CN119028776A (en) * | 2024-10-23 | 2024-11-26 | 中宝电气有限公司 | Primary and secondary fusion capacitor power supply permanent magnet recloser |
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| Publication number | Publication date |
|---|---|
| CN211788814U (en) | 2020-10-27 |
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