CN105334593A - Electric cable galvanic corrosion prevention pendant - Google Patents
Electric cable galvanic corrosion prevention pendant Download PDFInfo
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- CN105334593A CN105334593A CN201510919733.XA CN201510919733A CN105334593A CN 105334593 A CN105334593 A CN 105334593A CN 201510919733 A CN201510919733 A CN 201510919733A CN 105334593 A CN105334593 A CN 105334593A
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- optical cable
- pendant
- pendant body
- insulator
- electrocorrosion
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4422—Heterogeneous cables of the overhead type
- G02B6/4423—Electro-corrosion preventing means
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/48—Overhead installation
- G02B6/483—Installation of aerial type
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulators (AREA)
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Abstract
本发明公开了一种电力光缆防电蚀挂件，包括挂件本体和分别设置于其两端的两个挂耳；所述挂件本体的电阻值大于5MΩ；本发明可以减小光缆上的感应电流，降低光缆电位，将光缆上的感应电位和感应电流减小到不影响光缆正常运行的程度；而且使用方便、结构简单、价格低廉。
The invention discloses an anti-electrocorrosion pendant for an electric optical cable, which comprises a pendant body and two hanging lugs respectively arranged at two ends thereof; the resistance value of the pendant body is greater than 5MΩ; the invention can reduce the induced current on the optical cable and The optical cable potential reduces the induced potential and induced current on the optical cable to a level that does not affect the normal operation of the optical cable; it is easy to use, simple in structure, and low in price.
Description
技术领域 technical field
本发明涉及一种防电蚀挂件，具体涉及一种电力光缆防电蚀挂件。 The invention relates to an anti-electric corrosion pendant, in particular to an anti-electric corrosion pendant for an electric optical cable.
背景技术 Background technique
与电力架空输电线路同杆塔架设的光纤电缆，是通过光缆连接金具将光纤电缆固定在输电线路下方的铁塔上，光纤电缆表面堆积污秽层在下雨、结露、结霜或下雪后，成为有一定导电性的混合体，在电力输电线路强电场感应下，会产生一定的感应电位，通过光缆连接金具与接地的铁塔形成回路，形成一定的泄漏电流，造成光缆蚀损断线，影响电力线路安全运行；如果采用绝缘体将光缆连接金具与铁塔绝缘，光纤电缆和光缆连接金具对接地的铁塔将产生数千伏的感应电压，维修人员在检修光纤电缆时存在较大的安全隐患。 The optical fiber cable erected on the same tower as the overhead power transmission line is to fix the optical fiber cable on the iron tower below the transmission line through the optical cable connection fittings. The dirty layer accumulated on the surface of the optical fiber cable will become harmful after rain, condensation, frost or snow A mixture with a certain conductivity will generate a certain induced potential under the strong electric field induction of the power transmission line, and form a loop through the optical cable connecting the fittings and the grounded iron tower, forming a certain leakage current, causing the optical cable to be corroded and broken, and affecting the power line. Safe operation; if an insulator is used to insulate the fiber optic cable connection fittings from the iron tower, the fiber optic cable and the fiber optic cable connection fittings will generate thousands of volts of induced voltage to the grounded iron tower, and there will be a greater safety hazard for maintenance personnel when overhauling the fiber optic cable.
发明内容 Contents of the invention
本发明提供一种连接于架空光缆线路与杆塔间的防电蚀挂件。 The invention provides an anti-electric corrosion pendant connected between an overhead optical cable line and a pole tower.
本发明采用的技术方案是：一种电力光缆防电蚀挂件，包括挂件本体和分别设置于其两端的两个挂耳；所述挂件本体的电阻值大于5MΩ。 The technical solution adopted in the present invention is: an anti-electrocorrosion pendant for an electric optical cable, comprising a pendant body and two hanging lugs respectively arranged at two ends thereof; the resistance value of the pendant body is greater than 5MΩ.
作为优选，所述挂件本体由掺杂一定量半导体的绝缘体材料制成，由宽禁带半导体材料制成，由掺杂微量金属粉末的绝缘体材料制成，或由掺杂微量导体的绝缘体材料制成。 Preferably, the pendant body is made of an insulator material doped with a certain amount of semiconductor, a wide bandgap semiconductor material, an insulator material doped with a trace amount of metal powder, or an insulator material doped with a trace amount of conductor become.
作为优选，所述挂耳由金属材料制成。 Preferably, the hanging lug is made of metal material.
一种电力光缆防电蚀挂件，包括绝缘体挂件本体和金属挂耳；所述金属挂耳有两个，分别设置于挂件本体的两端；所述挂件本体还并联有电阻值大于5MΩ的连接件。 An anti-electrocorrosion pendant for a power optical cable, comprising an insulator pendant body and metal lugs; there are two metal lugs, which are respectively arranged at both ends of the pendant body; the pendant body is also connected in parallel with a connector with a resistance value greater than 5MΩ .
作为优选，所述连接件由掺杂一定量半导体的绝缘体材料制成，由宽禁带半导体材料制成，或由掺杂微量导体的绝缘体材料制成。 Preferably, the connector is made of an insulator material doped with a certain amount of semiconductor, a wide bandgap semiconductor material, or an insulator material doped with a small amount of conductor.
作为优选，所述导体为金属粉末或具有导电性的金属氧化物粉末。 Preferably, the conductor is metal powder or conductive metal oxide powder.
作为优选，所述挂件本体外表面设置有棱或伞。 Preferably, ribs or umbrellas are provided on the outer surface of the pendant body.
作为优选，所述连接件设置于挂件本体的外部或者内部 Preferably, the connecting piece is arranged on the outside or inside of the pendant body
本发明的有益效果是： The beneficial effects of the present invention are:
（1）本发明挂件本体采用掺杂一定量半导体的绝缘体或宽禁带半导体制成，可以降低架空光缆的电位，减小架空光缆上的电流； (1) The pendant body of the present invention is made of an insulator doped with a certain amount of semiconductor or a wide bandgap semiconductor, which can reduce the potential of the overhead optical cable and reduce the current on the overhead optical cable;
（2）本发明结构简单、实用安全、成本低廉，可以固定光缆和杆塔的相对位置。 (2) The present invention is simple in structure, practical and safe, and low in cost, and can fix the relative positions of optical cables and towers.
附图说明 Description of drawings
图1为本发明实施例1结构示意图。 Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention.
图2为本发明实施例2结构示意图。 Fig. 2 is a schematic structural diagram of Embodiment 2 of the present invention.
图中：1-挂耳，2-挂件本体，3-棱或伞，4-连接件。 In the figure: 1-hanging ear, 2-hanging body, 3-rib or umbrella, 4-connecting piece.
具体实施方式 detailed description
下面结合附图和具体实施例对本发明作进一步说明。 The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
实施例1Example 1
如图1所示，一种电力光缆防电蚀挂件，包括挂件本体2和分别设置于其两端的两个挂耳1；所述挂件本体2的电阻值大于5MΩ；所述挂件本体2由掺杂一定量半导体的绝缘体材料制成，由宽禁带半导体材料制成如SiC、ZnO等，或由掺杂微量导体的绝缘体材料制成；上述材料绝缘体中掺杂的半导体量或导体量、选择的半导体材料，以保证挂件本体2的电阻值大于5MΩ为准，保证挂件本体2具有微弱的导电性，将光缆上的感应电流减小到不影响光缆正常运行的程度；其中导体可以是金属粉末材料，也可以是具有导电性的金属氧化物材料；所述两个挂耳1一个用于连接光缆，另一个用于连接塔杆；挂件本体2外表面设置有棱或伞，在下雨、下雪、结露或结霜时防止其桥接而导电；所述棱或伞可以采用与挂件本体2相同的材料制成，也可以采用绝缘体材料制成；挂耳1由金属材料制成。 As shown in Figure 1, a power optical cable anti-electrocorrosion pendant includes a pendant body 2 and two lugs 1 respectively arranged at its two ends; the resistance value of the pendant body 2 is greater than 5MΩ; the pendant body 2 is made of It is made of insulator materials doped with a certain amount of semiconductors, made of wide-bandgap semiconductor materials such as SiC, ZnO, etc., or made of insulator materials doped with trace conductors; the amount of semiconductors or conductors doped in the insulators of the above materials, the selection The semi-conductor material, to ensure that the resistance value of the pendant body 2 is greater than 5MΩ, to ensure that the pendant body 2 has weak conductivity, and reduce the induced current on the optical cable to the extent that it does not affect the normal operation of the optical cable; the conductor can be metal powder The material can also be a conductive metal oxide material; one of the two hanging lugs 1 is used to connect the optical cable, and the other is used to connect the tower pole; the outer surface of the pendant body 2 is provided with ribs or umbrellas, which can When snow, dew or frost is formed, prevent it from bridging and conduct electricity; the rib or umbrella can be made of the same material as the pendant body 2, or can be made of an insulator material; the hanging ear 1 is made of metal material.
使用时，通过挂件本体2两端的挂耳1连接光缆和杆塔；可以固定光缆和杆塔的相对位置，使得光缆能够在各种环境下保持相对稳定；挂件本体2采用由掺杂一定量半导体的绝缘体材料制成，由宽禁带半导体材料制成，或由掺杂微量导体的绝缘体材料制成，减小光缆上的感应电流，并且可以降低光缆的感应电位，将电流减小到不影响光缆的程度；光缆上的感应电位和感应电流根据使用环境的不同而变化，当光缆上的感应电位和感应电流变化时，可以适当调整绝缘体中半导体含量，选择不同的半导体，或者调整绝缘体中导体的含量；本挂件连接的位置不同，所需要的挂件本体2的阻值相应的也会发生变化，根据本挂件连接到光缆和杆塔间的位置对挂件本体2的电阻值进行相应的调整。 When in use, the optical cable and the pole tower are connected through the hanging lugs 1 at both ends of the pendant body 2; the relative position of the optical cable and the pole tower can be fixed, so that the optical cable can remain relatively stable in various environments; the pendant body 2 is made of an insulator doped with a certain amount of semiconductor It is made of wide bandgap semiconductor material, or made of insulator material doped with trace conductors, which can reduce the induced current on the optical cable, and can reduce the induced potential of the optical cable, and reduce the current to a point that does not affect the optical cable. degree; the induced potential and induced current on the optical cable vary according to the environment in which it is used. When the induced potential and induced current on the optical cable change, the content of the semiconductor in the insulator can be adjusted appropriately, and a different semiconductor can be selected, or the content of the conductor in the insulator can be adjusted. The position of this pendant connection is different, and the resistance value of the required pendant body 2 will change accordingly, and the resistance value of the pendant body 2 is adjusted accordingly according to the position where the pendant is connected to the optical cable and the pole tower.
本发明可以通过光缆金具与光缆连接，与光缆线路金具之间可以是悬垂连接，也可以是耐张连接。 The present invention can be connected with the optical cable through the optical cable fittings, and the connection with the optical cable line fittings can be a suspension connection or a tension connection.
实施例2Example 2
如图1所示，一种电力光缆防电蚀挂件，包括挂件本体2和分别设置于其两端的两个挂耳1；所述挂件本体2的电阻值大于5MΩ；所述挂件本体2由掺杂一定量半导体的绝缘体材料制成，由宽禁带半导体材料制成如SiC、ZnO等，或由掺杂微量导体的绝缘体材料制成；上述材料绝缘体中掺杂的半导体量或导体量、选择的半导体材料，以保证挂件本体2的电阻值大于5MΩ为准，保证挂件本体2具有微弱的导电性，将光缆上的感应电流减小到不影响光缆正常运行的程度；其中导体可以是金属粉末材料，也可以是具有导电性的金属氧化物材料；使用时至少两个挂件串联于电缆和杆塔之间；挂件本体2外表面设置有棱或伞，在下雨、下雪、结露或结霜时防止其桥接而导电；所述棱或伞可以采用与挂件本体2相同的材料制成，也可以采用绝缘体材料制成；挂耳1由金属材料制成。 As shown in Figure 1, a power optical cable anti-electrocorrosion pendant includes a pendant body 2 and two lugs 1 respectively arranged at its two ends; the resistance value of the pendant body 2 is greater than 5MΩ; the pendant body 2 is made of It is made of insulator materials doped with a certain amount of semiconductors, made of wide-bandgap semiconductor materials such as SiC, ZnO, etc., or made of insulator materials doped with trace conductors; the amount of semiconductors or conductors doped in the insulators of the above materials, the selection The semi-conductor material, to ensure that the resistance value of the pendant body 2 is greater than 5MΩ, to ensure that the pendant body 2 has weak conductivity, and reduce the induced current on the optical cable to the extent that it does not affect the normal operation of the optical cable; the conductor can be metal powder The material can also be a conductive metal oxide material; when in use, at least two pendants are connected in series between the cable and the tower; the outer surface of the pendant body 2 is provided with ribs or umbrellas. prevent its bridging and conduction; the rib or umbrella can be made of the same material as the pendant body 2, or can be made of an insulator material; the hanging ear 1 is made of a metal material.
使用时，通过挂件本体2两端的挂耳1连接光缆和杆塔；可以固定光缆和杆塔的相对位置，使得光缆能够在各种环境下保持相对稳定；挂件本体2采用由掺杂一定量半导体的绝缘体材料制成，由宽禁带半导体材料制成，或由掺杂微量导体的绝缘体材料制成，减小光缆上的感应电流，并且可以降低光缆的感应电位，将电流减小到不影响光缆的程度；光缆上的感应电位和感应电流根据使用环境的不同而变化，当光缆上的感应电位和感应电流变化时，可以适当调整绝缘体中半导体含量，选择不同的半导体，或者调整绝缘体中导体的含量；本挂件连接的位置不同，所需要的挂件本体2的阻值相应的也会发生变化，根据本挂件连接到光缆和杆塔间的位置对挂件本体2的电阻值进行相应的调整。 When in use, the optical cable and the pole tower are connected through the hanging lugs 1 at both ends of the pendant body 2; the relative position of the optical cable and the pole tower can be fixed, so that the optical cable can remain relatively stable in various environments; the pendant body 2 is made of an insulator doped with a certain amount of semiconductor It is made of wide bandgap semiconductor material, or made of insulator material doped with trace conductors, which can reduce the induced current on the optical cable, and can reduce the induced potential of the optical cable, and reduce the current to a point that does not affect the optical cable. degree; the induced potential and induced current on the optical cable vary according to the environment in which it is used. When the induced potential and induced current on the optical cable change, the content of the semiconductor in the insulator can be adjusted appropriately, and a different semiconductor can be selected, or the content of the conductor in the insulator can be adjusted. The position of this pendant connection is different, and the resistance value of the required pendant body 2 will change accordingly, and the resistance value of the pendant body 2 is adjusted accordingly according to the position where the pendant is connected to the optical cable and the pole tower.
本发明可以通过光缆金具与光缆连接，与光缆线路金具之间可以是悬垂连接，也可以是耐张连接。 The present invention can be connected with the optical cable through the optical cable fittings, and the connection with the optical cable line fittings can be a suspension connection or a tension connection.
实施例3Example 3
如图2所示，一种电力光缆防电蚀挂件，包括绝缘体挂件本体2和金属挂耳1；所述金属挂耳1有两个，分别设置于挂件本体2的两端；所述挂件本体2还并联有电阻值大于5MΩ的连接件4；所述挂连接件4由掺杂一定量半导体的绝缘体材料制成，由宽禁带半导体材料制成如SiC、ZnO等，或由掺杂微量导体的绝缘体材料制成；上述材料绝缘体中掺杂的半导体量或导体量、选择的半导体材料，以保证连接件4的电阻值大于5MΩ为准，保证连接件4具有微弱的导电性，将光缆上的感应电流减小到不影响光缆正常运行的程度；其中导体可以是金属粉末材料，也可以是具有导电性的金属氧化物材料；所述两个挂耳1，一个与光缆连接，另一个与杆塔连接；挂件本体2外表面设置有棱或伞，在下雨、下雪、结露或结霜时防止其桥接而导电；所述棱或伞采用绝缘体材料制成。 As shown in Figure 2, a power optical cable anti-electrocorrosion pendant includes an insulator pendant body 2 and a metal lug 1; there are two metal lugs 1, which are respectively arranged at two ends of the pendant body 2; the pendant body 2 is also connected in parallel with a connecting piece 4 with a resistance value greater than 5MΩ; the hanging connecting piece 4 is made of an insulator material doped with a certain amount of semiconductor, made of a wide bandgap semiconductor material such as SiC, ZnO, etc., or made of a small amount of doped The insulator material of the conductor; the amount of semiconductor or conductor doped in the insulator of the above materials, and the selected semiconductor material are based on ensuring that the resistance value of the connector 4 is greater than 5MΩ, and ensuring that the connector 4 has weak conductivity. The induced current on the cable is reduced to the extent that it does not affect the normal operation of the cable; the conductor can be a metal powder material, or a conductive metal oxide material; the two hanging lugs 1, one is connected to the cable, and the other It is connected with the tower; the outer surface of the pendant body 2 is provided with ribs or umbrellas to prevent it from bridging and conducting electricity when it rains, snows, dew or frost; the ribs or umbrellas are made of insulator materials.
使用时，通过挂件本体2两端的挂耳1连接光缆和杆塔；连接件4采用掺杂一定量半导体的绝缘体、宽禁带半导体或掺杂微量导体的绝缘体材料制备而成，减小光缆上的感应电流，并且可以降低光缆的电位，将电流减小到不影响光缆的程度；光缆上的感应电位和感应电流根据使用环境的不同而变化，当光缆上的感应电位和感应电流变化时，以适当调整绝缘体中半导体含量，选择不同的半导体，或者调整绝缘体中导体的含量；本挂件连接的位置不同，所需要的连接件4的阻值相应的也会发生变化，根据本挂件连接到光缆和杆塔间的位置对连接件4的电阻值进行相应的调整。 When in use, the optical cable and the tower are connected through the lugs 1 at both ends of the pendant body 2; Induced current, and can reduce the potential of the optical cable, and reduce the current to a level that does not affect the optical cable; the induced potential and induced current on the optical cable vary according to the use environment, when the induced potential and induced current on the optical cable change, in order Appropriately adjust the semiconductor content in the insulator, choose different semiconductors, or adjust the conductor content in the insulator; the connection position of the pendant is different, and the resistance value of the required connector 4 will change accordingly. According to the pendant connected to the optical cable and The position between the towers adjusts the resistance value of the connector 4 accordingly.
本发明可以通过光缆金具与光缆连接，与光缆线路金具之间可以是悬垂连接，也可以是耐张连接。 The present invention can be connected with the optical cable through the optical cable fittings, and the connection with the optical cable line fittings can be a suspension connection or a tension connection.
实施例4Example 4
如图2所示，一种电力光缆防电蚀挂件，包括绝缘体挂件本体2和金属挂耳1；所述金属挂耳1有两个，分别设置于挂件本体2的两端；所述挂件本体2还并联有电阻值大于5MΩ的连接件4；所述连接件4由掺杂一定量半导体的绝缘体材料制成，由宽禁带半导体材料制成如SiC、ZnO等，或由掺杂微量导体的绝缘体材料制成；上述材料绝缘体中掺杂的半导体量或导体量、选择的半导体材料，以保证连接件4的电阻值大于5MΩ为准，保证连接件4具有微弱的导电性，将光缆上的感应电流减小到不影响光缆正常运行的程度；其中导体可以是金属粉末材料，也可以是具有导电性的金属氧化物材料；使用时至少两个挂件串联于光缆和杆塔之间；所述两个挂耳1，一个与光缆连接，另一个与杆塔连接；挂件本体2外表面设置有棱或伞，在下雨、下雪、结露或结霜时防止其桥接而导电；所述棱或伞采用绝缘体材料制成。 As shown in Figure 2, a power optical cable anti-electrocorrosion pendant includes an insulator pendant body 2 and a metal lug 1; there are two metal lugs 1, which are respectively arranged at two ends of the pendant body 2; the pendant body 2 is also connected in parallel with a connector 4 with a resistance value greater than 5MΩ; the connector 4 is made of an insulator material doped with a certain amount of semiconductor, made of a wide bandgap semiconductor material such as SiC, ZnO, etc., or made of a trace conductor doped The amount of semiconductor or conductor doped in the insulator of the above materials, and the selected semiconductor material are based on ensuring that the resistance value of the connector 4 is greater than 5MΩ, and ensuring that the connector 4 has weak conductivity. The induced current is reduced to a level that does not affect the normal operation of the optical cable; the conductor can be a metal powder material, or a conductive metal oxide material; at least two pendants are connected in series between the optical cable and the tower; the said Two hanging lugs 1, one is connected with the optical cable, and the other is connected with the tower; the outer surface of the pendant body 2 is provided with ribs or umbrellas, which prevent it from bridging and conducting electricity when it rains, snows, dews or frosts; the ribs or The umbrella is made of insulator material.
使用时，通过挂件本体2两端的挂耳1连接光缆和杆塔；连接件4采用掺杂一定量半导体的绝缘体、宽禁带半导体或掺杂微量导体的绝缘体材料制备而成，减小光缆上的感应电流，并且可以降低光缆的电位，将电流减小到不影响光缆的程度；光缆上的感应电位和感应电流根据使用环境的不同而变化，当光缆上的感应电位和感应电流变化时，以适当调整绝缘体中半导体含量，选择不同的半导体，或者调整绝缘体中导体的含量；本挂件连接的位置不同，所需要的连接件4的阻值相应的也会发生变化，根据本挂件连接到光缆和杆塔间的位置对连接件4的电阻值进行相应的调整。 When in use, the optical cable and the tower are connected through the lugs 1 at both ends of the pendant body 2; Induced current, and can reduce the potential of the optical cable, and reduce the current to a level that does not affect the optical cable; the induced potential and induced current on the optical cable vary according to the use environment, when the induced potential and induced current on the optical cable change, in order Appropriately adjust the semiconductor content in the insulator, choose different semiconductors, or adjust the conductor content in the insulator; the connection position of the pendant is different, and the resistance value of the required connector 4 will change accordingly. According to the pendant connected to the optical cable and The position between the towers adjusts the resistance value of the connector 4 accordingly.
本发明可以通过光缆金具与光缆连接，与光缆线路金具之间可以是悬垂连接，也可以是耐张连接。 The present invention can be connected with the optical cable through the optical cable fittings, and the connection with the optical cable line fittings can be a suspension connection or a tension connection.
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。 The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.
Claims (8)
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Address after: 610021 Dongfeng Road, Jinjiang District, Chengdu, Sichuan 17 Applicant after: Chengdu Power Supply Company of State Grid Sichuan Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Chengdu Changhe Electrical Appliance Co., Ltd. Address before: 610021 Dongfeng Road, Jinjiang District, Chengdu, Sichuan 17 Applicant before: Chengdu Power Supply Company of State Grid Sichuan Electric Power Corporation Applicant before: State Grid Corporation of China Applicant before: Chengdu Changhe Electrical Appliance Co., Ltd. |
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