CN204720329U - A kind of insulated operating rod - Google Patents
A kind of insulated operating rod Download PDFInfo
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- CN204720329U CN204720329U CN201420750530.3U CN201420750530U CN204720329U CN 204720329 U CN204720329 U CN 204720329U CN 201420750530 U CN201420750530 U CN 201420750530U CN 204720329 U CN204720329 U CN 204720329U
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Abstract
本实用新型公开了一种绝缘操作棒,包括:绝缘杆和金属操作头,还包括:电流检测报警模块和紧固件;与所述金属操作头相连接,将线路电流进行取样得到电流样本并与预设报警阈值进行比较超过所述报警阈值产生报警信号的所述电流检测报警模块,所述电流检测报警模块具有与导线形状相适配的绝缘凹槽;将所述电流检测报警模块固定于金属操作头上的紧固件。应用本实用新型提供的绝缘操作棒,可以在进行倒闸操作前对线路电流大小进行判断,在线路电流不在安全范围时进行报警,引起操作人员警惕,保证了操作安全。
The utility model discloses an insulating operating rod, which comprises: an insulating rod and a metal operating head, and also includes: a current detection and alarm module and a fastener; connected with the metal operating head, sampling the line current to obtain a current sample and Compared with the preset alarm threshold, the current detection and alarm module that exceeds the alarm threshold and generates an alarm signal, the current detection and alarm module has an insulating groove that is adapted to the shape of the wire; the current detection and alarm module is fixed on the Fasteners on metal operating head. Applying the insulating operating rod provided by the utility model can judge the magnitude of the line current before the switching operation, and give an alarm when the line current is not in the safe range, arousing the vigilance of the operators and ensuring the operation safety.
Description
技术领域technical field
本实用新型涉及倒闸相关技术领域,特别是涉及一种绝缘操作棒。The utility model relates to the technical field related to switching gates, in particular to an insulating operating rod.
背景技术Background technique
电气设备分为运行、备用、检修三种状态,将设备从一种状态转变为另一种状态所进行的操作叫倒闸操作。在高压线路上例如10千伏架空线路上进行倒闸操作需要用到10千伏绝缘操作棒,俗称“令克棒”。Electrical equipment is divided into three states: running, standby, and maintenance. The operation of changing the equipment from one state to another is called switching operation. Switching operations on high-voltage lines such as 10 kV overhead lines require 10 kV insulating operating rods, commonly known as "Lingke rods".
高压线路上的一些开关设备设置有灭弧装置,负荷电流所产生的电弧能在灭弧装置内快速熄灭,可以带负荷操作,例如断路器和负荷开关;而另一些开关设备由于没有灭弧装置,负荷电流产生的电弧在空气中难以熄灭,产生的弧光有可能灼伤操作人员的眼睛,长时间的电弧可能会击穿瓷瓶造成对地放电,对操作人员和设备带来极大的威胁,因此操作此类开关设备前必须将以下的负荷切除,然后再进行不带负荷的操作,如跌落式熔断器和隔离开关。在对高压线路上的开关设备进行操作时尤其是需要先切断负荷进行操作的情况下,由于无法判断线路上电流是否超过安全值,用绝缘操作棒进行倒闸操作时难以保证操作安全。Some switchgears on high-voltage lines are equipped with arc extinguishing devices. The arc generated by the load current can be extinguished quickly in the arc extinguishing device, and can be operated with load, such as circuit breakers and load switches; while other switchgears have no arc extinguishing devices. The arc generated by the load current is difficult to extinguish in the air, and the generated arc may burn the eyes of the operator. The long-term arc may break down the porcelain bottle and cause discharge to the ground, which poses a great threat to the operator and equipment. Therefore, the operation Before this type of switchgear, the following loads must be cut off, and then no-load operation, such as drop fuses and disconnectors. When operating the switchgear on the high-voltage line, especially when the load needs to be cut off first, because it is impossible to judge whether the current on the line exceeds the safe value, it is difficult to ensure the safety of the operation when switching the switch with an insulating operating rod.
实用新型内容Utility model content
有鉴于此,本实用新型的主要目的在于提供一种绝缘操作棒,,可以对线路上的电流大小进行判断报警,包括:绝缘杆和金属操作头,还包括:In view of this, the main purpose of this utility model is to provide an insulating operating rod, which can judge and alarm the current on the line, including: an insulating rod and a metal operating head, and also includes:
电流检测报警模块和紧固件;Current detection alarm module and fasteners;
与所述金属操作头相连接,将线路电流进行取样得到电流样本并与预设报警阈值进行比较超过所述报警阈值进行报警的所述电流检测报警模块,所述电流检测报警模块具有与导线形状相适配的绝缘凹槽;Connected with the metal operating head, sampling the line current to obtain a current sample and comparing it with a preset alarm threshold, the current detection and alarm module that exceeds the alarm threshold and alarms, the current detection and alarm module has a wire shape Compatible insulating grooves;
将所述电流检测报警模块固定于金属操作头上的紧固件。Fasteners that fix the current detection and alarm module on the metal operating head.
优选地,所述电流检测报警模块包括:Preferably, the current detection and alarm module includes:
感应线路电流的电流取样电路,所述电流取样电路与所述绝缘凹槽相连接;A current sampling circuit for sensing line current, the current sampling circuit is connected to the insulating groove;
将样本电流与预设定的报警阈值进行比对得到报警信号的CPU处理单元;A CPU processing unit that compares the sample current with a preset alarm threshold to obtain an alarm signal;
接收到报警信号后进行报警的报警单元。An alarm unit that issues an alarm after receiving an alarm signal.
优选地,所述电流检测报警模块还包括:Preferably, the current detection and alarm module also includes:
偏置电路、滤波电路和保护电路;Bias circuit, filter circuit and protection circuit;
优选地,所述CPU处理单元包括CPU处理电路,所述报警单元包括报警电路;Preferably, the CPU processing unit includes a CPU processing circuit, and the alarm unit includes an alarm circuit;
所述电流取样电路、偏置电路、滤波电路、保护电路、CPU处理电路和报警电路依次连接;The current sampling circuit, bias circuit, filter circuit, protection circuit, CPU processing circuit and alarm circuit are connected in sequence;
所述电流取样电路包括电感线圈和第一电阻,所述第一电阻并联在所述电感线圈两端的第一导线和第二导线之间;The current sampling circuit includes an inductance coil and a first resistor, and the first resistor is connected in parallel between the first wire and the second wire at both ends of the inductance coil;
所述偏置电路包括第一电源、第一电容、第二电阻和第三电阻,第三电阻连接所述第一电源和所述第一导线,所述第一电容与第二电阻并联后串联在第一导线上;The bias circuit includes a first power supply, a first capacitor, a second resistor and a third resistor, the third resistor is connected to the first power supply and the first wire, and the first capacitor and the second resistor are connected in parallel and then connected in series on the first conductor;
所述滤波电路包括第二电容和第四电阻,所述第四电阻串联在第二导线上,所述第二电容并联在所述第一导线和第二导线之间,所述第二电容与第一导线相连处接地;The filter circuit includes a second capacitor and a fourth resistor, the fourth resistor is connected in series on the second wire, the second capacitor is connected in parallel between the first wire and the second wire, the second capacitor and The connection of the first conductor is grounded;
所述保护电路包括第一二极管、第二二极管和第二电源,所述第一二极管连接所述第一导线和第二导线,电流从第一导线流向第二导线的方向为第一二极管的导通方向,第二二极管连接所述第二电源与所述第二导线,从所述第二电源到第二导线的方向为第二二极管的连通方向;The protection circuit includes a first diode, a second diode and a second power supply, the first diode is connected to the first wire and the second wire, and the current flows from the first wire to the second wire is the conduction direction of the first diode, the second diode connects the second power supply and the second wire, and the direction from the second power supply to the second wire is the conduction direction of the second diode ;
所述CPU处理电路包括模数变换器和分析单元,所述模数变换器与所述第二导线相连,所述分析单元与所述模数变换器相连接;The CPU processing circuit includes an analog-to-digital converter and an analysis unit, the analog-to-digital converter is connected to the second wire, and the analysis unit is connected to the analog-to-digital converter;
所述三极管的基极与所述输出端相连,所述三极管的射极接地,所述报警单元连接所述三极管的集电极和第三电源。The base of the triode is connected to the output terminal, the emitter of the triode is grounded, and the alarm unit is connected to the collector of the triode and the third power supply.
优选地,所述报警电路为蜂鸣器。Preferably, the alarm circuit is a buzzer.
优选地,所述报警单元为闪光灯。Preferably, the alarm unit is a flashing light.
优选地,所述绝缘操作棒还包括:Preferably, the insulating operation rod also includes:
与所述电流检测报警模块相连接的,检查所述电流检测报警模块是否正常工作的自检模块。A self-inspection module that is connected to the current detection and alarm module and checks whether the current detection and alarm module is working normally.
本实用新型提供的一种绝缘控制棒,与绝缘杆相连的金属操作头上用紧固件固定安装有电流检测报警模块,所述电流检测报警模块具有与导线形状相适配的绝缘凹槽,当导线嵌入所述电流检测报警模块的绝缘凹槽中,电流检测报警模块采集线路电流得到电流样本,将得到的电流样本与预设定的报警阈值进行比较,当所述电流样本超过所述报警阈值时产生报警信号进行报警,应用本实用新型提供的绝缘操作棒,可以在进行倒闸操作前对线路电流大小进行判断,在线路电流不在安全范围时进行报警,引起操作人员警惕,保证了操作安全。The utility model provides an insulating control rod. A current detection and alarm module is fixedly installed on the metal operating head connected with the insulation rod by fasteners. The current detection and alarm module has an insulation groove that matches the shape of the wire. When the wire is embedded in the insulation groove of the current detection and alarm module, the current detection and alarm module collects the line current to obtain a current sample, and compares the obtained current sample with the preset alarm threshold. When the threshold is reached, an alarm signal is generated for alarming. Using the insulating operating rod provided by the utility model, the magnitude of the line current can be judged before the switching operation, and an alarm is given when the line current is not in the safe range, which arouses the vigilance of the operator and ensures the operation Safety.
附图说明Description of drawings
为了更清楚地说明本实用新型实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本实用新型的实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据提供的附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.
图1为本实用新型一种绝缘操作棒的结构示意图;Fig. 1 is the structural representation of a kind of insulating operating bar of the utility model;
图2为本实用新型一种绝缘操作棒的又一结构示意图;Fig. 2 is another structural schematic diagram of an insulating operating rod of the present invention;
图3为本实用新型一种绝缘操作棒的又一结构示意图;Fig. 3 is another structural schematic diagram of an insulating operating rod of the present invention;
图4为本实用新型一种绝缘操作棒的内部结构电路图。Fig. 4 is a circuit diagram of the internal structure of an insulating operating rod of the present invention.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
本实用新型的目的在于提供一种绝缘操作棒,如图1所示,为本实用新型绝缘操作棒一个具体实施例的左视图,包括:绝缘杆101和金属操作头102,还包括:The purpose of this utility model is to provide an insulating operating rod, as shown in Figure 1, which is a left view of a specific embodiment of the insulating operating rod of the present utility model, including: an insulating rod 101 and a metal operating head 102, and also includes:
与所述金属操作头102相连接,将线路电流进行取样得到电流样本并与预设报警阈值进行比较超过所述报警阈值进行报警的所述电流检测报警模块103,所述电流检测报警模块103具有与导线形状相适配的绝缘凹槽;Connected with the metal operation head 102, the current detection and alarm module 103 that samples the line current to obtain a current sample and compares it with a preset alarm threshold to give an alarm if it exceeds the alarm threshold, the current detection and alarm module 103 has Insulation grooves adapted to the shape of the wire;
将所述电流检测报警模块固定于金属操作头上的紧固件104。Fix the current detection and alarm module to the fastener 104 on the metal operation head.
本实施例提供的一种绝缘控制棒,在进行倒闸操作时,工作人员握持所述绝缘杆101部分,用金属操作头102勾入开关设备的孔或环中进行倒闸,与绝缘杆101相连的金属操作头102上用紧固件104固定安装有电流检测报警模块103,所述电流检测报警模块103具有与导线形状相适配的绝缘凹槽,当导线嵌入所述电流检测报警模块103的绝缘凹槽中,电流检测报警模块103采集线路电流得到电流样本,将得到的电流样本与预设定的报警阈值进行比较,当所述电流样本超过所述报警阈值时产生报警信号进行报警,应用本实施例提供的绝缘操作棒,可以在进行倒闸操作前对线路电流大小进行判断,在线路电流不在安全范围时进行报警,引起操作人员警惕,保证了操作安全。In the insulating control rod provided in this embodiment, during the switching operation, the staff holds the part of the insulating rod 101, and uses the metal operating head 102 to hook it into the hole or ring of the switchgear to perform switching. The metal operating head 102 connected with 101 is fixedly installed with a fastener 104 with a current detection and alarm module 103, and the current detection and alarm module 103 has an insulating groove adapted to the shape of the wire. When the wire is embedded in the current detection and alarm module In the insulating groove of 103, the current detection and alarm module 103 collects the line current to obtain a current sample, compares the obtained current sample with a preset alarm threshold, and generates an alarm signal for alarm when the current sample exceeds the alarm threshold , using the insulating operating rod provided in this embodiment, the magnitude of the line current can be judged before the switching operation, and an alarm will be given when the line current is not in the safe range, which will arouse the vigilance of the operator and ensure the safety of the operation.
如图2所示,为本实用新型绝缘操作棒具体实施例的主视图,所述紧固件104可以分为上紧固件和下紧固件,将所述电流检测报警模块103的上下端均固定安装于所述金属操作头上。As shown in Figure 2, it is a front view of a specific embodiment of the insulating operating rod of the present invention, the fastener 104 can be divided into an upper fastener and a lower fastener, and the upper and lower ends of the current detection alarm module 103 All are fixedly installed on the metal operation head.
如图3所示,为本实用新型具体实施例的俯视图。As shown in Fig. 3, it is a top view of a specific embodiment of the utility model.
如图4所示,为本实用新型绝缘操作棒的电流检测报警模块的内部结构电路图,所述电流检测报警模块包括:As shown in Figure 4, it is a circuit diagram of the internal structure of the current detection and alarm module of the insulation operating rod of the present invention, and the current detection and alarm module includes:
电流取样电路、偏置电路、滤波电路、保护电路、CPU处理电路和报警电路;Current sampling circuit, bias circuit, filter circuit, protection circuit, CPU processing circuit and alarm circuit;
上述电路集成于所述检测报警模块内。The above-mentioned circuit is integrated in the detection and alarm module.
所述电流取样电路、偏置电路、滤波电路、保护电路、CPU处理电路和报警电路依次连接;The current sampling circuit, bias circuit, filter circuit, protection circuit, CPU processing circuit and alarm circuit are connected in sequence;
所述电流取样电路包括电感线圈L1和电阻R1,所述电阻R1并联在所述电感线圈两端的第一导线和第二导线之间;The current sampling circuit includes an inductance coil L1 and a resistor R1, and the resistor R1 is connected in parallel between the first wire and the second wire at both ends of the inductance coil;
所述偏置电路包括电源VCC1、电容C1、电阻R2和电阻R3,电阻R3连接所述电源VCC1和所述第一导线,所述电容C1与电阻R2并联后串联在第一导线上;The bias circuit includes a power supply VCC1, a capacitor C1, a resistor R2 and a resistor R3, the resistor R3 is connected to the power supply VCC1 and the first wire, and the capacitor C1 and the resistor R2 are connected in parallel and then connected in series on the first wire;
所述滤波电路包括电容C2和电阻R4,所述电阻R4串联在第二导线上,所述电容C2并联在所述第一导线和第二导线之间,所述电容C2与第一导线相连处接地;The filter circuit includes a capacitor C2 and a resistor R4, the resistor R4 is connected in series on the second wire, the capacitor C2 is connected in parallel between the first wire and the second wire, and the capacitor C2 is connected to the first wire grounding;
所述保护电路包括二极管D1、二极管D2和电源VCC2,所述二极管D1连接所述第一导线和第二导线,电流从第一导线流向第二导线的方向为二极管D1的导通方向,二极管D2连接所述电源VCC2与所述第二导线,从所述电源VCC2到第二导线的方向为二极管D2的连通方向;The protection circuit includes a diode D1, a diode D2 and a power supply VCC2, the diode D1 is connected to the first wire and the second wire, the direction of current flowing from the first wire to the second wire is the conduction direction of the diode D1, and the diode D2 Connecting the power supply VCC2 and the second wire, the direction from the power supply VCC2 to the second wire is the connection direction of the diode D2;
所述CPU处理电路包括模数变换器ADC和分析单元,所述模数变换器ADC与所述第二导线相连,所述分析单元与所述模数变换器ADC相连接;The CPU processing circuit includes an analog-to-digital converter ADC and an analysis unit, the analog-to-digital converter ADC is connected to the second wire, and the analysis unit is connected to the analog-to-digital converter ADC;
所述报警电路包括三极管Q1、报警单元和电源VCC3,所述三极管Q1的基极与所述输出端相连,所述三极管Q1的射极接地,所述报警单元连接所述三极管Q1的集电极和电源VCC3。The alarm circuit includes a triode Q1, an alarm unit and a power supply VCC3, the base of the triode Q1 is connected to the output terminal, the emitter of the triode Q1 is grounded, and the alarm unit is connected to the collector of the triode Q1 and Power VCC3.
所述电流取样电路的电感线圈L1位于所述电流检测报警装置的绝缘凹槽后,当绝缘凹槽嵌入导线时,通过电流取样电路感应得到线路电流,经过偏置电路分压偏置,后通过滤波电路,滤波电路滤波得到直流电,再经过保护电路处理,采集得到样本电流,CPU处理电路中的模数变换器ADC将得到的模拟电路信号数字化,分析单元中有预设置的报警阈值,当分析单元判断样本电流值超过报警阈值后产生报警信号,使报警电路的报警单元进行报警,所述报警单元可以为蜂鸣器或者闪光灯,若报警单元为蜂鸣器则报警时产生报警声音信号,若报警单元为闪光灯则报警时产生报警光信号,如进行闪烁。The inductance coil L1 of the current sampling circuit is located behind the insulating groove of the current detection and alarm device. When the insulating groove is embedded in the wire, the line current is induced by the current sampling circuit, and the bias circuit is divided and biased, and then passed through Filter circuit, the filter circuit filters to obtain direct current, and then through the protection circuit processing, the sample current is collected, the analog-to-digital converter ADC in the CPU processing circuit digitizes the obtained analog circuit signal, and the analysis unit has a preset alarm threshold. The unit judges that the sample current value exceeds the alarm threshold and generates an alarm signal, so that the alarm unit of the alarm circuit can alarm. The alarm unit can be a buzzer or a flashing light. If the alarm unit is a buzzer, an alarm sound signal is generated when the alarm is issued. If the alarm unit is a flashing light, an alarm light signal is generated when an alarm is issued, such as flashing.
本实用新型的一种具体实施方式,报警的报警阈值可以有多个,如当样本电流小于第一报警阈值时不报警,当样本电流大于第一报警阈值且小于第二报警阈值时进行第一报警频率的报警,当大于第二报警阈值且小于第三报警阈值时进行第二报警频率的报警,当大于第三报警阈值时进行第三报警频率的报警,可以设定具体值例如电流小于0.1安培为未采样模式不报警,0.1安培至5安培为安全模式2秒一次报警,电流在5安培至20安培之间的是警告模式,0.5秒一次报警,电流大于20安培的为危险模式,0.2秒一次报警,具体的报警时间和电流值可以根据现场需要设定,本实施例的电流检测报警方法,可以在进行倒闸操作前检测电流值的大小,根据电流大小所在的范围进行不同频率的报警,可以发出报警音或报警光信号来区别线路的安全级别。In a specific embodiment of the present invention, there may be multiple alarm thresholds for alarming. For example, no alarm is given when the sample current is less than the first alarm threshold, and the first alarm is performed when the sample current is greater than the first alarm threshold and less than the second alarm threshold. For the alarm of the alarm frequency, when it is greater than the second alarm threshold and less than the third alarm threshold, the alarm of the second alarm frequency is carried out; when it is greater than the third alarm threshold, the alarm of the third alarm frequency is carried out, and a specific value can be set such as the current is less than 0.1 Ampere is non-sampling mode without alarm, 0.1 amp to 5 amp is safe mode, alarm once every 2 seconds, current between 5 amp and 20 amp is warning mode, alarm once 0.5 second, current greater than 20 amp is dangerous mode, 0.2 The specific alarm time and current value can be set according to the needs of the site. The current detection and alarm method of this embodiment can detect the size of the current value before the switching operation, and perform different frequency alarms according to the range of the current size. Alarm, can send out alarm sound or alarm light signal to distinguish the security level of the line.
本实用新型的另一种具体实施方式,绝缘操作棒除了包括绝缘杆、金属操作头、电流检测报警模块和紧固件之外,还包括与所述电流检测报警模块相连接的自检模块,使绝缘操作棒具有自检功能,通过调节至自检状态,放大输入信号的倍率,与电流信号发生器配合使用,使绝缘操作棒在正式使用前判断是否能正常运作。In another specific embodiment of the present utility model, in addition to the insulating rod, the metal operating head, the current detection and alarm module and the fastener, the insulating operation rod also includes a self-test module connected with the current detection and alarm module, Make the insulating operating rod have a self-test function. By adjusting to the self-testing state, amplify the magnification of the input signal, and use it in conjunction with the current signal generator, so that the insulating operating rod can judge whether it can operate normally before it is officially used.
本实施例的绝缘操作杆,解决了架空线路难以检测电流这一问题,在操作之前开展电流检测,且不用将电流检测装置固定安装,操作人员可以在检测电流后用同一工具进行倒闸,操作灵活,节省了操作的时间。The insulating operating rod of this embodiment solves the problem that the overhead line is difficult to detect the current. The current detection is carried out before the operation, and the current detection device does not need to be fixed. The operator can use the same tool to switch the switch after detecting the current. Flexible, saving operation time.
需要说明的是,本说明书中的各个实施例均采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似的部分互相参见即可。对于装置类实施例而言,由于其与方法实施例基本相似,所以描述的比较简单,相关之处参见方法实施例的部分说明即可。It should be noted that each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. For the same and similar parts in each embodiment, refer to each other, that is, Can. As for the device-type embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and for related parts, please refer to part of the description of the method embodiments.
最后,还需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。Finally, it should also be noted that in this text, relational terms such as first and second etc. are only used to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.
以上对本实用新型所提供的绝缘操作杆进行了详细介绍,本文中应用了具体个例对本实用新型的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本实用新型的方法及其核心思想;同时,对于本领域的一般技术人员,依据本实用新型的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本实用新型的限制。The insulated operating rod provided by the utility model has been introduced in detail above, and the principle and implementation of the utility model have been explained by using specific examples in this paper. The description of the above examples is only used to help understand the method and implementation of the utility model. Its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the utility model, there will be changes in the specific implementation and application scope. New types of restrictions.
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CN107680839A (en) * | 2017-11-06 | 2018-02-09 | 国家电网公司 | Novel insulating operating rod and device |
CN111983336A (en) * | 2020-09-02 | 2020-11-24 | 王保巨 | Discharge indicator arranged on high-voltage discharge rod |
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CN107680839A (en) * | 2017-11-06 | 2018-02-09 | 国家电网公司 | Novel insulating operating rod and device |
CN111983336A (en) * | 2020-09-02 | 2020-11-24 | 王保巨 | Discharge indicator arranged on high-voltage discharge rod |
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