WO2022082557A1 - Insulating composite cross arm aging test system - Google Patents
Insulating composite cross arm aging test system Download PDFInfo
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- WO2022082557A1 WO2022082557A1 PCT/CN2020/122670 CN2020122670W WO2022082557A1 WO 2022082557 A1 WO2022082557 A1 WO 2022082557A1 CN 2020122670 W CN2020122670 W CN 2020122670W WO 2022082557 A1 WO2022082557 A1 WO 2022082557A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
Definitions
- the invention relates to the field of composite cross arms, in particular to a composite insulation cross arm aging test system.
- the composite insulating cross arm for the distribution network can greatly improve the insulation level of the distribution network, thereby reducing the lightning strike and tripping faults of the distribution network.
- the use of outdoor composite power equipment must undergo a comprehensive aging resistance and service life evaluation to ensure the safety of operation.
- the structure and internal and external insulation design of the distribution network composite insulating cross arm are quite different from the main network composite insulating cross arm, composite insulator, composite pillar insulator, and composite pole, and the mechanical stress in actual operation is quite different, and the traditional insulator is aging.
- the test system cannot be applied to the distribution network composite insulation cross-arm, and the electrical properties, mechanical properties, anti-aging performance and life of the composite insulation cross-arm will vary greatly due to changes in environmental factors, so the composite insulation cross-arm in the power
- the safe and stable operation of the system has caused certain hidden dangers.
- the purpose of the present invention is to provide a composite insulating cross arm aging test system that can evaluate the aging performance of the composite insulating cross arm from multiple angles and multiple factors.
- an embodiment of the present invention provides a composite insulation cross arm aging test system, which includes: a stress test module, an environmental factor module, a data acquisition module and a control module arranged in a closed space.
- the stress test module includes a cement rod frame, a metal hoop, a metal connecting rod, an eccentric motor, an insulator and a spring, and is used to test the strain stress of the tested composite insulation crossarm under the control of the control module .
- the cement pole frame is vertically arranged in the closed space; the top of the cement pole frame is provided with the metal hoop, and the tested composite insulating cross-arm is connected to the cement rod frame through the metal hoop;
- the metal connecting rod is a concave structure, and the two ends of the tested composite insulating cross-arm are correspondingly connected with the two opposite tops of the metal connecting rod concave structure; the two bending places of the metal connecting rod concave structure are The spring and the insulator are connected in sequence; the metal connecting rod is also connected with the eccentric motor through the insulator.
- the environmental factor module includes a power unit, a salt spray unit, an ultraviolet light unit, a rain shower unit, and a cold-heat cycle unit, and is used to provide a corresponding environment for the tested composite insulation cross-arm under the control of the control module. condition.
- the power unit includes a test transformer, the test transformer is connected with the metal connecting rod through a wire, and is used for providing a voltage of 10kV-35kV; the salt spray unit is used for providing a salt spray environment; the ultraviolet light unit is used for UV light is provided; the rain shower unit is used to provide a rain shower environment; the cold and heat cycle unit is used to provide a corresponding circulating temperature.
- the data acquisition module is used to collect corresponding test information under the control of the control module, and the test information includes at least one of the following parameters: strain stress, leakage current, corona discharge information, partial discharge information and temperature information.
- the height of the cement pole frame is 0.8m and the diameter is 30cm.
- the rated voltage of the test transformer is AC 50kV ⁇ 400kV, DC 70kV ⁇ 420kV, and the rated capacitance is 1kVA ⁇ 400kVA.
- the cooling and heating cycle unit which includes a cooling fan, a compressor, a radiator and a steam engine, is used to provide a cycle temperature with a temperature range of -20°C to 60°C;
- the air cooler is connected to the compressor outside the closed space through a hollow pipe, and the radiator is connected to the steam engine outside the closed space through a hollow pipe.
- the model of the air cooler is DJ55, and the compressor unit is 8HP.
- the acquisition module includes an infrared imager, an ultraviolet imager, an optical fiber measuring device, a strain gauge, a temperature sensor and a high-frequency current sensor.
- the cameras of the infrared imager and the ultraviolet imager are both aimed at the composite insulation cross-arm under test.
- the optical fiber measuring device is a distributed optical fiber measuring device based on the Brillouin principle.
- a pressure sensor is also included, the pressure sensor is arranged on the metal connecting rod, and is used to measure the load information of the tested composite insulating cross arm.
- a displacement meter is also included, the displacement meter is designed on the metal connecting rod and is used to measure the displacement information of the tested composite insulating cross-arm.
- the composite insulation cross arm aging test system provided by the present invention is constructed by using different functional modules in a closed space, supplemented by specific devices such as cement pole frames, metal hoops, metal connecting rods, eccentric motors, insulators and springs
- the composite insulating cross-arm simulates the environment, and at the same time combines the units that can provide various environmental factors, so that the complex environment such as rain, salt spray, ultraviolet light and temperature changes in the practical application of the composite insulating cross-arm can be effectively simulated.
- the parameters such as strain, leakage current, partial discharge and temperature of the composite insulating cross-arm measured in real time during the test can accurately evaluate the electrical properties, mechanical properties and anti-aging properties of the composite insulating cross-arm from multiple angles and factors. and service life, providing test data support for the engineering application of composite insulation crossarms.
- FIG. 1 is a schematic structural diagram of a composite insulation cross arm aging test system provided by an embodiment of the present invention
- FIG. 2 is a schematic diagram of the loading situation of each aging factor in one cycle of a composite insulation cross arm aging test system provided by an embodiment of the present invention
- FIG. 3 is a schematic diagram of a summary of parameters of each data acquisition device of a composite insulation cross arm aging test system provided by an embodiment of the present invention.
- FIG. 1 is a schematic structural diagram of a composite insulation cross-arm aging test system provided in an embodiment of the present invention, which includes an aging test system disposed in a closed space. Stress test module, environmental factor module, data acquisition module and control module.
- the stress test module includes a cement rod frame, a metal hoop, a metal connecting rod, an eccentric motor, an insulator and a spring, and is used to measure the strain of the tested composite insulating crossarm under the control of the control module. stress test.
- the cement pole frame is vertically arranged in the closed space; the top of the cement pole frame is provided with the metal hoop, and the tested composite insulating cross-arm is connected to the cement rod frame through the metal hoop;
- the metal connecting rod is a concave structure, and the two ends of the tested composite insulating cross-arm are correspondingly connected with the two opposite tops of the metal connecting rod concave structure; the two bending places of the metal connecting rod concave structure are The spring and the insulator are connected in sequence; the metal connecting rod is also connected with the eccentric motor through the insulator.
- the environmental factor module includes a power unit, a salt spray unit, an ultraviolet light unit, a rain shower unit, and a cold-heat cycle unit, and is used to provide a corresponding environment for the tested composite insulation cross-arm under the control of the control module. condition.
- the power unit includes a test transformer, the test transformer is connected with the metal connecting rod through a wire, and is used for providing a voltage of 10kV-35kV; the salt spray unit is used for providing a salt spray environment; the ultraviolet light unit is used for UV light is provided; the rain shower unit is used to provide a rain shower environment; the cold and heat cycle unit is used to provide a corresponding circulating temperature.
- the data acquisition module is used to collect corresponding test information under the control of the control module, and the test information includes at least one of the following parameters: strain stress, leakage current, corona discharge information, partial discharge information and temperature information.
- the composite insulation cross arm aging test system uses different functional modules in a closed space, supplemented by specific components such as cement pole racks, metal hoops, metal connecting rods, eccentric motors, insulators and springs
- specific components such as cement pole racks, metal hoops, metal connecting rods, eccentric motors, insulators and springs
- it can effectively simulate the complex environment of composite insulation cross-arm in practical applications such as rain, salt spray, ultraviolet light and temperature changes.
- the electrical properties, mechanical properties and resistance of the composite insulation cross-arm can be accurately evaluated from multiple angles and factors. Aging performance and life, provide test data support for the engineering application of composite insulation crossarms.
- the cement pole frame is vertically fixed in the closed space, the size of the closed space is preferably 2.5m*2.0m*2.5m, and the cement pole frame is partially buried underground with a burial depth of 0.4 m.
- the bottom of the pole is reinforced with cement.
- the tested composite insulating cross-arm is preferably a 1.2m-long real solid distribution network composite insulating cross-arm.
- the tested composite insulating cross-arm is fixed on the cement pole frame through a metal hoop.
- the two ends of the composite insulating cross-arm are connected by metal connecting rods.
- the length of the metal connecting rod is preferably the same as that of the tested composite insulating cross-arm, and the length of the insulator is at least 0.5m.
- the metal connecting rod is preferably a concave structure as shown in the figure.
- the advantage of the structure is that the structure is stable, which can effectively fix the composite insulating cross-arm under test.
- the metal connecting rod is fixed by springs and insulators.
- the closed space is set on the ground, that is, the metal connecting rod is fixed on the ground through springs and insulators.
- the eccentric motor is connected with the metal connecting rod through a rigid connection and an insulator.
- the rigid connection makes the structural connection more stable on the premise of ensuring the electrical performance.
- the salt spray unit is installed on the wall of the enclosed space to provide salt spray for the tested composite insulating cross-arm;
- the ultraviolet light unit is installed on the upper wall of the enclosed space to provide ultraviolet light for the tested composite insulating cross-arm;
- the rain unit is installed on the upper wall of the closed space to provide a raining environment for the tested composite insulation crossarm.
- the power unit in the environmental factor module includes a test transformer, which can provide 10kV to 35kV to simulate a lightning strike environment.
- the control module in the embodiment of the present invention can control the switches of the rain shower unit, the salt spray unit, and the ultraviolet light unit according to the loading time of the aging factor.
- the control range of the test conditions is: (1) Humidity range: 30 %RH-98%RH; (2) Temperature control range: -30-50°C, ⁇ 0.5°C; (3) Rain intensity range: 120mm/h; (4) Flow rate: 0.5 kg/m3 h, NaCl Volume: 10kg/m3; (5) UV lamp irradiance: 100W/m2; (6) Voltage requirement: 10kV; (7) Mechanical force vibration frequency 0.6Hz.
- 24h of the composite insulation cross arm aging test system provided by the embodiment of the present invention is a test cycle, please refer to FIG. 2, which is the loading condition of each aging factor in one cycle of the composite insulation cross arm aging test system provided by the embodiment of the present invention Schematic.
- the height of the cement pole frame is 0.8m and the diameter is 30cm.
- the rated voltage of the test transformer is AC 50kV ⁇ 400kV, DC 70kV ⁇ 420kV, and the rated capacitance is 1kVA ⁇ 400kVA.
- the cooling and heating cycle unit includes a cooling fan, a compressor, a radiator and a steam engine, and is used to provide a cycle temperature in the temperature range of -20°C to 60°C.
- the air cooler is connected to the compressor outside the closed space through a hollow pipe, and the radiator is connected to the steam engine outside the closed space through a hollow pipe.
- the model of the air cooler is DJ55, and the compressor unit is 8HP.
- the acquisition module includes an infrared imager, an ultraviolet imager, an optical fiber measuring device, a strain gauge, a temperature sensor and a high-frequency current sensor.
- FIG. 3 is a summary of parameters of each data acquisition device of a composite insulation cross arm aging test system provided by an embodiment of the present invention.
- the cameras of the infrared imager and the ultraviolet imager are both aimed at the tested composite insulating cross-arm, so as to better test the tested composite insulating cross-arm.
- the optical fiber measuring device is a distributed optical fiber measuring device based on the Brillouin principle.
- a pressure sensor is further included, the pressure sensor is arranged on the metal connecting rod, and is used to measure the load information of the tested composite insulating cross arm.
- a displacement gauge is further included, and the displacement gauge is arranged on the metal connecting rod and is used to measure the displacement information of the tested composite insulating cross-arm.
- An aging test system for a composite insulation cross arm uses different functional modules in a closed space, supplemented by concrete rod frames, metal hoops, metal connecting rods, eccentric motors, insulators and springs.
- the device is used to build the simulation environment of the composite insulation cross-arm, and at the same time, it is combined with units that can provide various environmental factors, so that the composite insulation cross-arm can be effectively simulated in practical applications, such as rain, salt spray, ultraviolet light and temperature changes.
- the electrical and mechanical properties of the composite insulation cross-arm can be accurately evaluated from multiple angles and factors. , anti-aging performance and life, provide test data support for the engineering application of composite insulation cross arm.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM) or the like.
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Abstract
An insulating composite cross arm aging test system comprises a stress test module, an environmental factor module, a data acquisition module and a control module which are disposed in a closed space. The stress test module comprises a concrete pole frame, a metal hoop, a metal connecting rod, an eccentric motor, an insulator and a spring. The environmental factor module comprises a power unit, a salt spray unit, an ultraviolet irradiation unit, a rain spray unit and a thermocycling unit. The data acquisition module is used to acquire corresponding test information under the control of the control module. The insulating composite cross arm aging test system performs evaluation from multiple angles in consideration of multiple factors, such that electrical properties, mechanical properties, aging resistance and service life of an insulating composite cross arm can be accurately evaluated, thereby providing supporting test data for engineering applications of the insulating composite cross arm.
Description
本发明涉及复合横担领域,尤其涉及一种复合绝缘横担老化试验系统。The invention relates to the field of composite cross arms, in particular to a composite insulation cross arm aging test system.
目前,雷击仍是配网故障跳闸的主要原因,且在实际应用中,复杂的环境会对配网的元件性能产生严重的影响。为提高配网绝缘水平,出现了配网用复合绝缘横担,配网用复合绝缘横担可大幅提高配网绝缘水平,从而减少配网雷击跳闸故障。一般来说,户外复合材料电力设备的使用必须经过全面的耐老化性能和使用寿命评估,才能保证运行的安全性。配网复合绝缘横担的结构及内外绝缘设计与主网复合绝缘横担、复合绝缘子、复合支柱绝缘子、复合电杆相差较大,并且实际运行中机械受力情况差别较大,传统的绝缘子老化试验系统不能适用于配网复合绝缘横担,且复合绝缘横担的电气性能、机械性能、抗老化性能与寿命都会因环境因素的变化而产生较大的差异,从而对复合绝缘横担在电力系统中的安全、稳定运行造成了一定的隐患。At present, lightning strikes are still the main reason for the tripping of distribution network faults, and in practical applications, the complex environment will have a serious impact on the performance of distribution network components. In order to improve the insulation level of the distribution network, the composite insulating cross arm for the distribution network has appeared. The composite insulating cross arm for the distribution network can greatly improve the insulation level of the distribution network, thereby reducing the lightning strike and tripping faults of the distribution network. Generally speaking, the use of outdoor composite power equipment must undergo a comprehensive aging resistance and service life evaluation to ensure the safety of operation. The structure and internal and external insulation design of the distribution network composite insulating cross arm are quite different from the main network composite insulating cross arm, composite insulator, composite pillar insulator, and composite pole, and the mechanical stress in actual operation is quite different, and the traditional insulator is aging. The test system cannot be applied to the distribution network composite insulation cross-arm, and the electrical properties, mechanical properties, anti-aging performance and life of the composite insulation cross-arm will vary greatly due to changes in environmental factors, so the composite insulation cross-arm in the power The safe and stable operation of the system has caused certain hidden dangers.
发明内容SUMMARY OF THE INVENTION
针对上述问题,本发明的目的在于提供一种能够从多角度多因素评估复合绝缘横担的老化性能的一种复合绝缘横担老化试验系统。In view of the above problems, the purpose of the present invention is to provide a composite insulating cross arm aging test system that can evaluate the aging performance of the composite insulating cross arm from multiple angles and multiple factors.
为了实现上述目的,本发明一实施例提供了一种复合绝缘横担老化试验系统,其包括:设于封闭空间内的应力试验模块、环境因素模块、数据采集模块及控制模块。In order to achieve the above object, an embodiment of the present invention provides a composite insulation cross arm aging test system, which includes: a stress test module, an environmental factor module, a data acquisition module and a control module arranged in a closed space.
所述应力试验模块,其包括水泥杆架、金属抱箍、金属连杆、偏心电机、绝缘子和弹簧,并用于在所述控制模块的控制下,对被测复合绝缘横担的应变应力进行试验。The stress test module includes a cement rod frame, a metal hoop, a metal connecting rod, an eccentric motor, an insulator and a spring, and is used to test the strain stress of the tested composite insulation crossarm under the control of the control module .
所述水泥杆架竖直设于所述封闭空间内;所述水泥杆架的顶部设有所述金属抱箍,被测复合绝缘横担通过所述金属抱箍与所述水泥杆架连接;所述金属连杆为凹型结构,被测复合绝缘横担的两端与所述金属连杆凹型结构的两个相对的顶部对应连接;所述金属连杆凹形结构的两个弯折处均依次连接所述弹簧与所述绝缘子;所述金属连杆还通过所述绝缘子与所述偏心电机连接。The cement pole frame is vertically arranged in the closed space; the top of the cement pole frame is provided with the metal hoop, and the tested composite insulating cross-arm is connected to the cement rod frame through the metal hoop; The metal connecting rod is a concave structure, and the two ends of the tested composite insulating cross-arm are correspondingly connected with the two opposite tops of the metal connecting rod concave structure; the two bending places of the metal connecting rod concave structure are The spring and the insulator are connected in sequence; the metal connecting rod is also connected with the eccentric motor through the insulator.
所述环境因素模块,其包括电力单元、盐雾单元、紫外光照单元、淋雨单元和冷热循环单元,并用于在所述控制模块的控制下,对被测复合绝缘横担提供相应的环境条件。The environmental factor module includes a power unit, a salt spray unit, an ultraviolet light unit, a rain shower unit, and a cold-heat cycle unit, and is used to provide a corresponding environment for the tested composite insulation cross-arm under the control of the control module. condition.
所述电力单元包括试验变压器,所述试验变压器通过导线与所述金属连杆连接,用于提供10kV~35kV的电压;所述盐雾单元用于提供盐雾环境;所述紫外光照单元用于提供紫外光照;所述淋雨单元用于提供淋雨环境;所述冷热循环单元用于提供相应的循环温度。The power unit includes a test transformer, the test transformer is connected with the metal connecting rod through a wire, and is used for providing a voltage of 10kV-35kV; the salt spray unit is used for providing a salt spray environment; the ultraviolet light unit is used for UV light is provided; the rain shower unit is used to provide a rain shower environment; the cold and heat cycle unit is used to provide a corresponding circulating temperature.
所述数据采集模块用于在所述控制模块的控制下,采集对应的试验信息,所述试验信息包括以下参数中的至少一种:应变应力、泄露电流、电晕放电信 息、局部放电信息及温度信息。The data acquisition module is used to collect corresponding test information under the control of the control module, and the test information includes at least one of the following parameters: strain stress, leakage current, corona discharge information, partial discharge information and temperature information.
作为上述方案的改进,所述水泥杆架的高度为0.8m,直径为30cm。As an improvement of the above scheme, the height of the cement pole frame is 0.8m and the diameter is 30cm.
作为上述方案的改进,所述试验变压器的额定电压为AC 50kV~400kV、DC 70kV~420kV,额定电容量为1kVA~400kVA。As an improvement of the above scheme, the rated voltage of the test transformer is AC 50kV~400kV, DC 70kV~420kV, and the rated capacitance is 1kVA~400kVA.
作为上述方案的改进,所述冷热循环单元,其包括冷风机、压缩机、散热器及蒸汽机,用于提供温度范围为-20℃~60℃的循环温度;As an improvement of the above solution, the cooling and heating cycle unit, which includes a cooling fan, a compressor, a radiator and a steam engine, is used to provide a cycle temperature with a temperature range of -20°C to 60°C;
所述冷风机通过空心管与所述封闭空间外侧的所述压缩机连接,所述散热器通过空心管与所述封闭空间外侧的所述蒸汽机连接。The air cooler is connected to the compressor outside the closed space through a hollow pipe, and the radiator is connected to the steam engine outside the closed space through a hollow pipe.
作为上述方案的改进,所述冷风机的型号为DJ55,所述压缩机组为8HP。As an improvement of the above solution, the model of the air cooler is DJ55, and the compressor unit is 8HP.
作为上述方案的改进,所述采集模块包括红外成像仪、紫外成像仪、光纤测量器、应变片、温度传感器和高频电流传感器。As an improvement of the above solution, the acquisition module includes an infrared imager, an ultraviolet imager, an optical fiber measuring device, a strain gauge, a temperature sensor and a high-frequency current sensor.
作为上述方案的改进,所述红外成像仪与所述紫外成像仪的摄像头均对准被测复合绝缘横担。As an improvement of the above solution, the cameras of the infrared imager and the ultraviolet imager are both aimed at the composite insulation cross-arm under test.
作为上述方案的改进,所述光纤测量器为基于布里渊原理的分布式光纤测量器。As an improvement of the above solution, the optical fiber measuring device is a distributed optical fiber measuring device based on the Brillouin principle.
作为上述方案的改进,还包括压力传感器,所述压力传感器设于所述金属连杆上,用于测量被测复合绝缘横担的荷载信息。As an improvement of the above solution, a pressure sensor is also included, the pressure sensor is arranged on the metal connecting rod, and is used to measure the load information of the tested composite insulating cross arm.
作为上述方案的改进,还包括位移计,所述位移计设于所述金属连杆上,用于测量被测复合绝缘横担的位移信息。As an improvement of the above solution, a displacement meter is also included, the displacement meter is designed on the metal connecting rod and is used to measure the displacement information of the tested composite insulating cross-arm.
本发明提供的复合绝缘横担老化试验系统,通过在封闭空间内使用不同的 功能模块,辅以具体的诸如水泥杆架、金属抱箍、金属连杆、偏心电机、绝缘子和弹簧的器件来搭建复合绝缘横担模拟环境,同时结合能够提供各种环境因素的单元,从而可以有效地模拟复合绝缘横担在实际应用中的诸如淋雨、盐雾、紫外光照和温度变化等的复杂环境,根据在试验过程中实时测量到的复合绝缘横担的应变情况、泄露电流、局部放电以及温度等参数,能够精确地从多角度、多因素评估复合绝缘横担的电气性能、机械性能、抗老化性能与寿命,为复合绝缘横担的工程应用提供试验数据支撑。The composite insulation cross arm aging test system provided by the present invention is constructed by using different functional modules in a closed space, supplemented by specific devices such as cement pole frames, metal hoops, metal connecting rods, eccentric motors, insulators and springs The composite insulating cross-arm simulates the environment, and at the same time combines the units that can provide various environmental factors, so that the complex environment such as rain, salt spray, ultraviolet light and temperature changes in the practical application of the composite insulating cross-arm can be effectively simulated. According to The parameters such as strain, leakage current, partial discharge and temperature of the composite insulating cross-arm measured in real time during the test can accurately evaluate the electrical properties, mechanical properties and anti-aging properties of the composite insulating cross-arm from multiple angles and factors. and service life, providing test data support for the engineering application of composite insulation crossarms.
为了更清楚地说明本发明的技术方案,下面将对实施方式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发明的一些实施方式,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,还可以根据这些附图获得其他的附图。In order to illustrate the technical solutions of the present invention more clearly, the following will briefly introduce the accompanying drawings used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention, which are common in the art. As far as technical personnel are concerned, other drawings can also be obtained based on these drawings without any creative effort.
图1是本发明实施例提供的一种复合绝缘横担老化试验系统的结构示意图;1 is a schematic structural diagram of a composite insulation cross arm aging test system provided by an embodiment of the present invention;
图2是本发明实施例提供的一种复合绝缘横担老化试验系统一个周期内的各老化因素的加载情况示意图;2 is a schematic diagram of the loading situation of each aging factor in one cycle of a composite insulation cross arm aging test system provided by an embodiment of the present invention;
图3是本发明实施例提供的一种复合绝缘横担老化试验系统各数据采集设备的参数汇总示意图。FIG. 3 is a schematic diagram of a summary of parameters of each data acquisition device of a composite insulation cross arm aging test system provided by an embodiment of the present invention.
下面将结合本发明实施例中的附图,对本发明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发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,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,都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
在本发明实施例的描述中,需要说明的是,可以在分布式计算环境中进行实践,在这些分布式计算环境中,由通过通信网络而被连接的远程处理设备来执行任务。此外,本发明可用于包括众多通用或专用的计算装置环境或配置中。例如:个人计算机、服务器计算机、手持设备或便携式设备、平板型设备、多处理器装置、包括以上任何装置或设备的分布式计算环境等等。In describing embodiments of the present invention, it is noted that practice may be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. Furthermore, the present invention may be used in computing device environments or configurations including numerous general purpose or special purpose. For example: personal computers, server computers, handheld or portable devices, tablet-type devices, multi-processor devices, distributed computing environments including any of the above, and the like.
在本发明实施例的描述中,需要理解的是,术语“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发明实施例,而不是指示或暗示所指的装置或部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发明实施例的限制。In the description of the embodiments of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, only It is for the convenience of describing the embodiments of the present invention, rather than indicating or implying that the referred devices or components must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation on the embodiments of the present invention.
本发明一实施例提供了一种复合绝缘横担老化试验系统,请参见图1,为本发明实施例提供的一种复合绝缘横担老化试验系统的结构示意图,其包括设于封闭空间内的应力试验模块、环境因素模块、数据采集模块及控制模块。An embodiment of the present invention provides a composite insulation cross-arm aging test system. Please refer to FIG. 1 , which is a schematic structural diagram of a composite insulation cross-arm aging test system provided in an embodiment of the present invention, which includes an aging test system disposed in a closed space. Stress test module, environmental factor module, data acquisition module and control module.
具体的,所述应力试验模块,其包括水泥杆架、金属抱箍、金属连杆、偏心电机、绝缘子和弹簧,并用于在所述控制模块的控制下,对被测复合绝缘横担的应变应力进行试验。Specifically, the stress test module includes a cement rod frame, a metal hoop, a metal connecting rod, an eccentric motor, an insulator and a spring, and is used to measure the strain of the tested composite insulating crossarm under the control of the control module. stress test.
所述水泥杆架竖直设于所述封闭空间内;所述水泥杆架的顶部设有所述金 属抱箍,被测复合绝缘横担通过所述金属抱箍与所述水泥杆架连接;所述金属连杆为凹型结构,被测复合绝缘横担的两端与所述金属连杆凹型结构的两个相对的顶部对应连接;所述金属连杆凹形结构的两个弯折处均依次连接所述弹簧与所述绝缘子;所述金属连杆还通过所述绝缘子与所述偏心电机连接。The cement pole frame is vertically arranged in the closed space; the top of the cement pole frame is provided with the metal hoop, and the tested composite insulating cross-arm is connected to the cement rod frame through the metal hoop; The metal connecting rod is a concave structure, and the two ends of the tested composite insulating cross-arm are correspondingly connected with the two opposite tops of the metal connecting rod concave structure; the two bending places of the metal connecting rod concave structure are The spring and the insulator are connected in sequence; the metal connecting rod is also connected with the eccentric motor through the insulator.
所述环境因素模块,其包括电力单元、盐雾单元、紫外光照单元、淋雨单元和冷热循环单元,并用于在所述控制模块的控制下,对被测复合绝缘横担提供相应的环境条件。The environmental factor module includes a power unit, a salt spray unit, an ultraviolet light unit, a rain shower unit, and a cold-heat cycle unit, and is used to provide a corresponding environment for the tested composite insulation cross-arm under the control of the control module. condition.
所述电力单元包括试验变压器,所述试验变压器通过导线与所述金属连杆连接,用于提供10kV~35kV的电压;所述盐雾单元用于提供盐雾环境;所述紫外光照单元用于提供紫外光照;所述淋雨单元用于提供淋雨环境;所述冷热循环单元用于提供相应的循环温度。The power unit includes a test transformer, the test transformer is connected with the metal connecting rod through a wire, and is used for providing a voltage of 10kV-35kV; the salt spray unit is used for providing a salt spray environment; the ultraviolet light unit is used for UV light is provided; the rain shower unit is used to provide a rain shower environment; the cold and heat cycle unit is used to provide a corresponding circulating temperature.
所述数据采集模块用于在所述控制模块的控制下,采集对应的试验信息,所述试验信息包括以下参数中的至少一种:应变应力、泄露电流、电晕放电信息、局部放电信息及温度信息。The data acquisition module is used to collect corresponding test information under the control of the control module, and the test information includes at least one of the following parameters: strain stress, leakage current, corona discharge information, partial discharge information and temperature information.
本发明实施例提供的复合绝缘横担老化试验系统,通过在封闭空间内使用不同的功能模块,辅以具体的诸如水泥杆架、金属抱箍、金属连杆、偏心电机、绝缘子和弹簧的器件来搭建复合绝缘横担模拟环境,同时结合能够提供各种环境因素的单元,从而可以有效地模拟复合绝缘横担在实际应用中的诸如淋雨、盐雾、紫外光照和温度变化等的复杂环境,根据在试验过程中实时测量到的复合绝缘横担的应变情况、泄露电流、局部放电以及温度等参数,能够精确地从 多角度、多因素评估复合绝缘横担的电气性能、机械性能、抗老化性能与寿命,为复合绝缘横担的工程应用提供试验数据支撑。The composite insulation cross arm aging test system provided by the embodiment of the present invention uses different functional modules in a closed space, supplemented by specific components such as cement pole racks, metal hoops, metal connecting rods, eccentric motors, insulators and springs To build a simulation environment of composite insulation cross-arm, and combined with units that can provide various environmental factors, it can effectively simulate the complex environment of composite insulation cross-arm in practical applications such as rain, salt spray, ultraviolet light and temperature changes. , According to the real-time measurement of the strain, leakage current, partial discharge, temperature and other parameters of the composite insulation cross-arm during the test, the electrical properties, mechanical properties and resistance of the composite insulation cross-arm can be accurately evaluated from multiple angles and factors. Aging performance and life, provide test data support for the engineering application of composite insulation crossarms.
需要说明的是,在本实施例中,水泥杆架竖直的固定在封闭空间内,封闭空间的尺寸优选为2.5m*2.0m*2.5m,水泥杆架部分埋藏在地下,埋藏深度为0.4m,杆的底部用水泥加固,被测复合绝缘横担优选为1.2m长的真型实心配网复合绝缘横担,被测复合绝缘横担通过金属抱箍固定在水泥杆架上,被测复合绝缘横担的两端通过金属连杆连接,金属连杆的长度优选为与被测复合绝缘横担长度一致,绝缘子长度至少0.5m,金属连杆优选为如图所示的凹型结构,凹型结构的优点是结构稳定,在结构上可以有效的固定被测复合绝缘横担,金属连杆通过弹簧和绝缘子固定,通常封闭空间设于地面上,即金属连杆通过弹簧和绝缘子固定在地面上,偏心电机通过刚性连接和绝缘子与金属连杆连接,刚性连接在保证电气性能的前提下使得结构连接更加稳固。It should be noted that, in this embodiment, the cement pole frame is vertically fixed in the closed space, the size of the closed space is preferably 2.5m*2.0m*2.5m, and the cement pole frame is partially buried underground with a burial depth of 0.4 m. The bottom of the pole is reinforced with cement. The tested composite insulating cross-arm is preferably a 1.2m-long real solid distribution network composite insulating cross-arm. The tested composite insulating cross-arm is fixed on the cement pole frame through a metal hoop. The two ends of the composite insulating cross-arm are connected by metal connecting rods. The length of the metal connecting rod is preferably the same as that of the tested composite insulating cross-arm, and the length of the insulator is at least 0.5m. The metal connecting rod is preferably a concave structure as shown in the figure. The advantage of the structure is that the structure is stable, which can effectively fix the composite insulating cross-arm under test. The metal connecting rod is fixed by springs and insulators. Usually, the closed space is set on the ground, that is, the metal connecting rod is fixed on the ground through springs and insulators. , The eccentric motor is connected with the metal connecting rod through a rigid connection and an insulator. The rigid connection makes the structural connection more stable on the premise of ensuring the electrical performance.
在本实施例中,盐雾单元安装在封闭空间壁上,为被测复合绝缘横担提供盐雾;紫外光照单元安装在封闭空间的上壁,为被测复合绝缘横担提供紫外光照;淋雨单元安装在封闭空间的上壁,为被测复合绝缘横担提供淋雨环境。环境因素模块中的电力单元包括试验变压器,可以提供10kV~35kV电压以模拟雷击环境。本发明实施例中的控制模块可以根据老化因素加载时间控制淋雨单元、盐雾单元、紫外光照单元的开关,具体的,在本实施例中试验条件控制范围为:(1)湿度范围:30%RH-98%RH;(2)温度控制范围:-30-50℃,±0.5℃;(3)淋雨强度范围:120mm/h;(4)流量:0.5公斤/立方米·h,NaCl体积:10kg/m3; (5)紫外线灯辐照度:100W/m2;(6)电压要求:10kV;(7)机械力振动频率0.6Hz。In this embodiment, the salt spray unit is installed on the wall of the enclosed space to provide salt spray for the tested composite insulating cross-arm; the ultraviolet light unit is installed on the upper wall of the enclosed space to provide ultraviolet light for the tested composite insulating cross-arm; The rain unit is installed on the upper wall of the closed space to provide a raining environment for the tested composite insulation crossarm. The power unit in the environmental factor module includes a test transformer, which can provide 10kV to 35kV to simulate a lightning strike environment. The control module in the embodiment of the present invention can control the switches of the rain shower unit, the salt spray unit, and the ultraviolet light unit according to the loading time of the aging factor. Specifically, in this embodiment, the control range of the test conditions is: (1) Humidity range: 30 %RH-98%RH; (2) Temperature control range: -30-50°C, ±0.5°C; (3) Rain intensity range: 120mm/h; (4) Flow rate: 0.5 kg/m³ h, NaCl Volume: 10kg/m3; (5) UV lamp irradiance: 100W/m2; (6) Voltage requirement: 10kV; (7) Mechanical force vibration frequency 0.6Hz.
本发明实施例提供的复合绝缘横担老化试验系统24h为一个试验周期,请参见图2,为本发明实施例提供的一种复合绝缘横担老化试验系统一个周期内的各老化因素的加载情况示意图。24h of the composite insulation cross arm aging test system provided by the embodiment of the present invention is a test cycle, please refer to FIG. 2, which is the loading condition of each aging factor in one cycle of the composite insulation cross arm aging test system provided by the embodiment of the present invention Schematic.
优选地,在上述实施例中,所述水泥杆架的高度为0.8m,直径为30cm。Preferably, in the above embodiment, the height of the cement pole frame is 0.8m and the diameter is 30cm.
优选地,在上述实施例中,所述试验变压器的额定电压为AC 50kV~400kV、DC 70kV~420kV,额定电容量为1kVA~400kVA。Preferably, in the above embodiment, the rated voltage of the test transformer is AC 50kV~400kV, DC 70kV~420kV, and the rated capacitance is 1kVA~400kVA.
优选地,在上述实施例中,所述冷热循环单元,其包括冷风机、压缩机、散热器及蒸汽机,用于提供温度范围为-20℃~60℃的循环温度。所述冷风机通过空心管与所述封闭空间外侧的所述压缩机连接,所述散热器通过空心管与所述封闭空间外侧的所述蒸汽机连接。Preferably, in the above embodiment, the cooling and heating cycle unit includes a cooling fan, a compressor, a radiator and a steam engine, and is used to provide a cycle temperature in the temperature range of -20°C to 60°C. The air cooler is connected to the compressor outside the closed space through a hollow pipe, and the radiator is connected to the steam engine outside the closed space through a hollow pipe.
优选地,在上述实施例中,所述冷风机的型号为DJ55,所述压缩机组为8HP。Preferably, in the above embodiment, the model of the air cooler is DJ55, and the compressor unit is 8HP.
优选地,在上述实施例中,所述采集模块包括红外成像仪、紫外成像仪、光纤测量器、应变片、温度传感器和高频电流传感器。具体的,请参见图3,为本发明实施例提供的一种复合绝缘横担老化试验系统各数据采集设备的参数汇总。Preferably, in the above embodiment, the acquisition module includes an infrared imager, an ultraviolet imager, an optical fiber measuring device, a strain gauge, a temperature sensor and a high-frequency current sensor. Specifically, please refer to FIG. 3 , which is a summary of parameters of each data acquisition device of a composite insulation cross arm aging test system provided by an embodiment of the present invention.
优选地,在上述实施例中,所述红外成像仪与所述紫外成像仪的摄像头均对准被测复合绝缘横担,以更好地对被测复合绝缘横担进行试验。Preferably, in the above embodiment, the cameras of the infrared imager and the ultraviolet imager are both aimed at the tested composite insulating cross-arm, so as to better test the tested composite insulating cross-arm.
优选地,在上述实施例中,所述光纤测量器为基于布里渊原理的分布式光 纤测量器。Preferably, in the above embodiment, the optical fiber measuring device is a distributed optical fiber measuring device based on the Brillouin principle.
优选地,在上述实施例中,还包括压力传感器,所述压力传感器设于所述金属连杆上,用于测量被测复合绝缘横担的荷载信息。Preferably, in the above embodiment, a pressure sensor is further included, the pressure sensor is arranged on the metal connecting rod, and is used to measure the load information of the tested composite insulating cross arm.
优选地,在上述实施例中,还包括位移计,所述位移计设于所述金属连杆上,用于测量被测复合绝缘横担的位移信息。Preferably, in the above-mentioned embodiment, a displacement gauge is further included, and the displacement gauge is arranged on the metal connecting rod and is used to measure the displacement information of the tested composite insulating cross-arm.
本发明实施例提供的一种复合绝缘横担老化试验系统,通过在封闭空间内使用不同的功能模块,辅以具体的诸如水泥杆架、金属抱箍、金属连杆、偏心电机、绝缘子和弹簧的器件来搭建复合绝缘横担模拟环境,同时结合能够提供各种环境因素的单元,从而可以有效地模拟复合绝缘横担在实际应用中的诸如淋雨、盐雾、紫外光照和温度变化等的复杂环境,根据在试验过程中实时测量到的复合绝缘横担的应变情况、泄露电流、局部放电以及温度等参数,能够精确地从多角度、多因素评估复合绝缘横担的电气性能、机械性能、抗老化性能与寿命,为复合绝缘横担的工程应用提供试验数据支撑。An aging test system for a composite insulation cross arm provided by an embodiment of the present invention uses different functional modules in a closed space, supplemented by concrete rod frames, metal hoops, metal connecting rods, eccentric motors, insulators and springs. The device is used to build the simulation environment of the composite insulation cross-arm, and at the same time, it is combined with units that can provide various environmental factors, so that the composite insulation cross-arm can be effectively simulated in practical applications, such as rain, salt spray, ultraviolet light and temperature changes. In complex environments, according to the real-time measurement of the strain, leakage current, partial discharge, temperature and other parameters of the composite insulation cross-arm during the test, the electrical and mechanical properties of the composite insulation cross-arm can be accurately evaluated from multiple angles and factors. , anti-aging performance and life, provide test data support for the engineering application of composite insulation cross arm.
以上所揭露的仅为本发明一些较佳实施例而已,当然不能以此来限定本发明之权利范围,本领域普通技术人员可以理解实现上述实施例的全部或部分流程,并依本发明权利要求所作的等同变化,仍属于发明所涵盖的范围。The above disclosures are only some preferred embodiments of the present invention, and of course, the scope of the rights of the present invention cannot be limited by this. Those of ordinary skill in the art can understand all or part of the process for realizing the above embodiments, and follow the claims of the present invention. The equivalent changes made still belong to the scope covered by the invention.
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程,是可以通过计算机程序来指令相关的硬件来完成,所述的程序可存储于一计算机可读取存储介质中,该程序在执行时,可包括如上述各方法的实施例的流程。其中,所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory, ROM)或随机存储记忆体(Random Access Memory,RAM)等。Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented by instructing relevant hardware through a computer program, and the program can be stored in a computer-readable storage medium. During execution, the processes of the embodiments of the above-mentioned methods may be included. Wherein, the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM) or the like.
Claims (10)
- 一种复合绝缘横担老化试验系统,其特征在于,包括:设于封闭空间内的应力试验模块、环境因素模块、数据采集模块及控制模块;A composite insulation cross arm aging test system, characterized in that it comprises: a stress test module, an environmental factor module, a data acquisition module and a control module arranged in a closed space;所述应力试验模块,其包括水泥杆架、金属抱箍、金属连杆、偏心电机、绝缘子和弹簧,并用于在所述控制模块的控制下,对被测复合绝缘横担的应变应力进行试验;The stress test module includes a cement rod frame, a metal hoop, a metal connecting rod, an eccentric motor, an insulator and a spring, and is used to test the strain stress of the tested composite insulation crossarm under the control of the control module ;所述水泥杆架竖直设于所述封闭空间内;所述水泥杆架的顶部设有所述金属抱箍,被测复合绝缘横担通过所述金属抱箍与所述水泥杆架连接;所述金属连杆为凹型结构,被测复合绝缘横担的两端与所述金属连杆凹型结构的两个相对的顶部对应连接;所述金属连杆凹形结构的两个弯折处均依次连接所述弹簧与所述绝缘子;所述金属连杆还通过所述绝缘子与所述偏心电机连接;The cement pole frame is vertically arranged in the closed space; the top of the cement pole frame is provided with the metal hoop, and the tested composite insulating cross-arm is connected to the cement rod frame through the metal hoop; The metal connecting rod is a concave structure, and the two ends of the tested composite insulating cross-arm are correspondingly connected with the two opposite tops of the metal connecting rod concave structure; the two bending places of the metal connecting rod concave structure are connecting the spring and the insulator in sequence; the metal connecting rod is also connected to the eccentric motor through the insulator;所述环境因素模块,其包括电力单元、盐雾单元、紫外光照单元、淋雨单元和冷热循环单元,并用于在所述控制模块的控制下,对被测复合绝缘横担提供相应的环境条件;The environmental factor module includes a power unit, a salt spray unit, an ultraviolet light unit, a rain shower unit, and a cold-heat cycle unit, and is used to provide a corresponding environment for the tested composite insulation cross-arm under the control of the control module. condition;所述电力单元包括试验变压器,所述试验变压器通过导线与所述金属连杆连接,用于提供10kV~35kV的电压;所述盐雾单元用于提供盐雾环境;所述紫外光照单元用于提供紫外光照;所述淋雨单元用于提供淋雨环境;所述冷热循环单元用于提供相应的循环温度;The power unit includes a test transformer, the test transformer is connected with the metal connecting rod through a wire, and is used for providing a voltage of 10kV-35kV; the salt spray unit is used for providing a salt spray environment; the ultraviolet light unit is used for UV light is provided; the rain shower unit is used to provide a rain shower environment; the cold and heat cycle unit is used to provide a corresponding circulating temperature;所述数据采集模块用于在所述控制模块的控制下,采集对应的试验信息, 所述试验信息包括以下参数中的至少一种:应变应力、泄露电流、电晕放电信息、局部放电信息及温度信息。The data acquisition module is used to collect corresponding test information under the control of the control module, and the test information includes at least one of the following parameters: strain stress, leakage current, corona discharge information, partial discharge information and temperature information.
- 根据权利要求1所述的复合绝缘横担老化试验系统,其特征在于,所述水泥杆架的高度为0.8m,直径为30cm。The composite insulation cross arm aging test system according to claim 1, wherein the height of the cement pole frame is 0.8m and the diameter is 30cm.
- 根据权利要求1所述的复合绝缘横担老化试验系统,其特征在于,所述试验变压器的额定电压为AC 50kV~400kV、DC 70kV~420kV,额定电容量为1kVA~400kVA。The composite insulation cross arm aging test system according to claim 1, wherein the rated voltage of the test transformer is AC 50kV~400kV, DC 70kV~420kV, and the rated capacitance is 1kVA~400kVA.
- 根据权利要求1所述的复合绝缘横担老化试验系统,其特征在于,所述冷热循环单元,其包括冷风机、压缩机、散热器及蒸汽机,用于提供温度范围为-20℃~60℃的循环温度;The composite insulation cross arm aging test system according to claim 1, wherein the cooling and heating cycle unit includes a cooling fan, a compressor, a radiator and a steam engine, and is used to provide a temperature range of -20°C to 60°C. ℃ cycle temperature;所述冷风机通过空心管与所述封闭空间外侧的所述压缩机连接,所述散热器通过空心管与所述封闭空间外侧的所述蒸汽机连接。The air cooler is connected to the compressor outside the closed space through a hollow pipe, and the radiator is connected to the steam engine outside the closed space through a hollow pipe.
- 根据权利要求4所述的复合绝缘横担老化试验系统,其特征在于,所述冷风机的型号为DJ55,所述压缩机组为8HP。The composite insulation cross arm aging test system according to claim 4, wherein the model of the air cooler is DJ55, and the compressor unit is 8HP.
- 根据权利要求1所述的复合绝缘横担老化试验系统,其特征在于,所述 采集模块包括红外成像仪、紫外成像仪、光纤测量器、应变片、温度传感器和高频电流传感器。The composite insulation cross arm aging test system according to claim 1, is characterized in that, described acquisition module comprises infrared imager, ultraviolet imager, optical fiber measuring device, strain gauge, temperature sensor and high-frequency current sensor.
- 根据权利要求6所述的复合绝缘横担老化试验系统,其特征在于,所述红外成像仪与所述紫外成像仪的摄像头均对准被测复合绝缘横担。The composite insulating cross-arm aging test system according to claim 6, wherein the cameras of the infrared imager and the ultraviolet imager are both aimed at the tested composite insulating cross-arm.
- 根据权利要求6所述的复合绝缘横担老化试验系统,其特征在于,所述光纤测量器为基于布里渊原理的分布式光纤测量器。The composite insulation cross arm aging test system according to claim 6, wherein the optical fiber measuring device is a distributed optical fiber measuring device based on the Brillouin principle.
- 根据权利要求6所述的复合绝缘横担老化试验系统,其特征在于,还包括压力传感器,所述压力传感器设于所述金属连杆上,用于测量被测复合绝缘横担的荷载信息。The composite insulation cross arm aging test system according to claim 6, further comprising a pressure sensor, the pressure sensor is arranged on the metal connecting rod, and is used to measure the load information of the tested composite insulation cross arm.
- 根据权利要求6所述的复合绝缘横担老化试验系统,其特征在于,还包括位移计,所述位移计设于所述金属连杆上,用于测量被测复合绝缘横担的位移信息。The composite insulation cross-arm aging test system according to claim 6, further comprising a displacement gauge, the displacement gauge is designed on the metal connecting rod, and is used to measure the displacement information of the tested composite insulation cross-arm.
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