CN104914338A - Distribution network switch cabinet aging test equipment - Google Patents
Distribution network switch cabinet aging test equipment Download PDFInfo
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- CN104914338A CN104914338A CN201510307363.4A CN201510307363A CN104914338A CN 104914338 A CN104914338 A CN 104914338A CN 201510307363 A CN201510307363 A CN 201510307363A CN 104914338 A CN104914338 A CN 104914338A
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- switch cubicle
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Abstract
The invention provides distribution network switch cabinet aging test equipment, which comprises a test box body, a through-wall pipe sleeve, a leakage current sensing device, a partial discharge detection device and an environmental factor regulating device, wherein a cable is arranged in the through-wall pipe sleeve; the environmental factor regulating device regulates humidity, rainfall duration, illumination duration and temperature of the test box body; and the leakage current sensing device and the partial discharge detection device detect electrical signal parameters of a distribution network switch cabinet to be tested, and output the electrical signal parameters outside the test box body. The operator can learn about varying situation of insulation performance of the distribution network switch cabinet in a multi-factor natural environment based on the obtained electrical signal parameters; in addition, the distribution network switch cabinet aging test equipment is provided with the through-wall pipe sleeve which can effectively protect the cable arranged inside and prevent the cable from being interfered by the environment inside the test box body, thereby ensuring normal and accurate transmission of the electrical signal parameters.
Description
Technical field
The present invention relates to testing equipment technical field, particularly relate to power distribution network switch cubicle ageing test apparatus.
Background technology
Switch cubicle is a kind of electrical equipment, and switch cubicle outside line is introduced into master switch in cabinet, then enters sub-control switch, and each shunt needs to arrange by it.As instrument, automatic control, motor magnetic switch, various A.C. contactors etc., what have also establishes hyperbaric chamber and low-pressure chamber switch cubicle, is provided with high voltage bus, as generating plant etc., the low-frequency load reduction be also provided with as protecting major equipment had.
Power distribution network switch cubicle has a wide range of applications in power network, in most cases these power distribution network switch cubicles are arranged at outdoor, the accelerated deterioration under multiple factor of natural environment (illumination, drench with rain, high temperature etc.) interference of outdoor power distribution network switch cubicle, so in actual production life, the specified serviceable life that distribution switch cubicle is produced and its actually use there is error serviceable life, in order to true distribution switch cubicle normally works, be necessary very much to provide a kind of power distribution network switch cubicle ageing test apparatus.
In order to ensure the reliability service of electric system, needing switching devices to perform strict networking and detecting.Detect accordingly according to standard GB 3906-2006 " 3.6kV ~ 40.5kV ac metal closing switch gear and opertaing device ".But for the aging test not corresponding technical scheme of distribution switch under many factors condition.
Summary of the invention
Based on this, be necessary, for there is no power distribution network switch cubicle ageing test apparatus problem at present, to provide a kind of power distribution network switch cubicle ageing test apparatus, simulation, detection power distribution network switch ageing process under many factors, guarantee the safe operation of electric power network.
A kind of power distribution network switch cubicle ageing test apparatus, comprises test casing, pipe box through walls, leakage current sensing device, local discharge detection device and envirment factor regulating device, wherein, is provided with cable in described pipe box through walls;
Described wall pipe cover penetrates the one side wall of described test casing, described leakage current sensing device, described local discharge detection device and described envirment factor regulating device are arranged in described test casing, described leakage current sensing device and described local discharge detection device detect the electric signal parameter of power distribution network switch cubicle to be tested, and it is external to export the electric signal parameter detected to described chamber by the cable in described pipe box through walls;
Described envirment factor regulating device is for regulating test casing humidity, duration of drenching with rain, light irradiation time and temperature.
Power distribution network switch cubicle ageing test apparatus of the present invention, comprise test casing, pipe box through walls, leakage current sensing device, local discharge detection device and envirment factor regulating device, wherein, cable is provided with in described pipe box through walls, envirment factor regulating device regulates test casing humidity, to drench with rain duration, light irradiation time and temperature, simulate polyfactorial physical environment, leakage current sensing device and local discharge detection device detect the electric signal parameter of power distribution network switch cubicle to be tested, export chamber to external, operating personnel only need based on the electric signal parameter obtained, understand the insulating property situation of change (the insulating property situation of change of analysis power distribution network switch cubicle can learn the ager process of power distribution network switch cubicle) of power distribution network switch cubicle in multiple-factor physical environment, in addition, pipe box through walls is also provided with in described power distribution network switch cubicle ageing test apparatus, the cable of pipe box energy available protecting device inside through walls, it is prevented to be subject to the interference of chamber internal milieu, guarantee that electric signal parameter transmission is normal and accurate, visible power distribution network switch cubicle ageing test apparatus of the present invention can be simulated, detect power distribution network switch ageing process under many factors, guarantee the safe operation of electric power network.
Accompanying drawing explanation
Fig. 1 is the structural drawing of power distribution network switch cubicle ageing test apparatus of the present invention first embodiment;
Fig. 2 is the structural drawing of power distribution network switch cubicle ageing test apparatus of the present invention second embodiment.
Embodiment
As shown in Figure 1, a kind of power distribution network switch cubicle ageing test apparatus, comprise test casing 100, pipe box through walls 200, leakage current sensing device 300, local discharge detection device 400 and envirment factor regulating device 500, wherein, in described pipe box 200 through walls, be provided with cable;
Described pipe box through walls 200 penetrates the one side wall of described test casing 100, described leakage current sensing device 300, described local discharge detection device 400 and described envirment factor regulating device 500 are arranged in described test casing 100, described leakage current sensing device 300 and described local discharge detection device 400 detect the electric signal parameter of power distribution network switch cubicle to be tested, and export to outside described test casing 100 by the cable in described pipe box 200 through walls by the electric signal parameter detected;
Described envirment factor regulating device 500 is for regulating test casing 100 humidity, duration of drenching with rain, light irradiation time and temperature.
Test casing 100 is airtight casings, and the size of test casing 100 enough should place power distribution network switch cubicle to be tested and other device.In practical operation, get a power distribution network switch cubicle to be tested, be positioned over and test in casing 100 and guarantee to apply rated voltage with three-phase supply to it, switchgear should to be installed in test casing 100 on pedestal, the height on separating test casing 100 ground is not less than 0.5m, and the distance of power distribution network switch board housing wall to be tested and top and test casing 100 wall and ceiling should be not less than 0.15m.Leakage current sensing device 300 and local discharge detection device 400 are for detecting the insulating property of power distribution network switch cubicle to be tested, and operating personnel, by the size of leakage current and the situation of shelf depreciation, detect the performance of power distribution network switch cubicle to be tested.Non-essential, leakage current sensing device 300 can be leakage current sensor.Envirment factor regulating device 500 is for regulating test casing 100 humidity, duration of drenching with rain, light irradiation time and temperature.How envirment factor regulating device 500 specifically regulates can be that operating personnel control in real time, also can be based on default adjustment program.
Power distribution network switch cubicle ageing test apparatus of the present invention, comprise test casing 100, pipe box 200 through walls, leakage current sensing device 300, local discharge detection device 400 and envirment factor regulating device 500, wherein, cable is provided with in described pipe box through walls 200, envirment factor regulating device 500 regulates test casing 100 humidity, to drench with rain duration, light irradiation time and temperature, simulate polyfactorial physical environment, leakage current sensing device 300 and local discharge detection device 400 detect the electric signal parameter of power distribution network switch cubicle to be tested, export to outside test casing 100, operating personnel only need based on the electric signal parameter obtained, understand the insulating property situation of change (the insulating property situation of change of analysis power distribution network switch cubicle can learn the ager process of power distribution network switch cubicle) of power distribution network switch cubicle in multiple-factor physical environment, in addition, pipe box 200 through walls is also provided with in described power distribution network switch cubicle ageing test apparatus, the cable of pipe box 200 energy available protecting device inside through walls, it is prevented to be subject to testing the interference of casing 100 environment, guarantee that electric signal parameter transmission is normal and accurate, visible power distribution network switch cubicle ageing test apparatus of the present invention can be simulated, detect power distribution network switch ageing process under many factors, guarantee the safe operation of electric power network.
Wherein in an embodiment, described envirment factor regulating device 500 comprises spray equipment, light irradiation time regulating device and temperature control equipment.
Spray equipment rains scene, light irradiation time regulating device for illumination scene in simulating nature for regulating in the humidity in test casing 100 and simulating nature, temperature control equipment is for regulating the temperature of test casing 100, the scene such as high temperature, cold in simulating nature.
Wherein in an embodiment, described power distribution network switch cubicle ageing test apparatus comprises envirment factor control set for adjusting, and described envirment factor control set for adjusting is connected with described envirment factor regulating device 500;
Described envirment factor control set for adjusting is used for controlling described spray equipment, described light irradiation time regulating device and described temperature control equipment according to presetting regulative mode, to regulate test casing 100 humidity, duration of drenching with rain, light irradiation time and temperature;
Wherein, presetting regulative mode is for single regulating cycle with 12 hours, in single regulating cycle, test casing 100 is warming up to 50 degrees Celsius with 10 degrees Celsius of heating rates hourly, keep 50 degrees Celsius two hours, then be cooled to 30 degrees Celsius with 10 degrees Celsius of rate of temperature fall hourly, keep 30 degrees Celsius 6 hours, test casing 100 humidity is maintained between 80% to 95% in single regulating cycle, illumination 6 hours in single regulating cycle and spray 4 hours, wherein, intensity of illumination is 1.12KW/m
2, during spray, nozzle pressure 460kPa ± 10%, nozzle firing angle 60 ° ~ 80 °.Specifically, wherein in an embodiment, the difference of maximum temperature and minimum temperature should remain in 20 DEG C ± 2 DEG C.Common digestion time is 10 regulating cycles.
Adopt the scene that above-mentioned default regulative mode analog ligand power network switch cabinet runs at certain physical environment.Envirment factor control set for adjusting can be arranged on a certain outer wall of test casing, and operating personnel can by the control of parameter realization to envirment factor regulating device of adjusting ambient factor control set for adjusting.
As shown in Figure 2, wherein in an embodiment, described power distribution network switch cubicle ageing test apparatus also comprises electric signal parameter display device 600, described electric signal parameter display device 600 is arranged at outside described test casing 100, and described electric signal parameter display device is connected with the cable in described pipe box 200 through walls.
Cable transmission electric signal parameter is out showed operating personnel by electric signal parameter display device 600, and operating personnel can fast, accurately understand in aging test process, the aging conditions of power distribution network switch cubicle.Non-essential, electric signal parameter display device can be arranged on a certain outer wall of test casing.
Wherein in an embodiment, described power distribution network switch cubicle ageing test apparatus also comprises power supply, and described power supply is arranged at outside described test casing 100, and described power supply is connected with the cable in described pipe box 200 through walls.
Power supply is in described power distribution network switch cubicle ageing test apparatus, other need the equipment consuming electric energy to provide electric energy.
As shown in Figure 2, wherein in an embodiment, described power distribution network switch cubicle ageing test apparatus also comprises detection analytical equipment 700, described detection analytical equipment 700 is arranged at outside described test casing 100, and described detection analytical equipment 700 is connected with described leakage current sensing device 300 and described local discharge detection device 400 respectively;
Described detection analytical equipment 700, for according to the electric signal parameter received, analyzes the size of distribution switch cubicle leakage current to be tested and the situation of shelf depreciation, to check the insulativity of distribution switch cubicle to be tested.
Detect analytical equipment 700 for according to the electric signal parameter received, analyze the size of distribution switch cubicle leakage current to be tested and the situation of shelf depreciation, and obtain the insulativity of distribution switch cubicle to be tested based on these data analyses.Power distribution network switch cubicle aging test result can be obtained directly, fast like this, carry out complicated data processing without the need to operating personnel.
Wherein in an embodiment, described pipe box 200 through walls comprises copper pipe layer, epoxy resin layer and high temperature vulcanized layer of silica gel from inside to outside successively, the coated described cable of described copper pipe layer.
Pipe box 200 through walls adopts multiple corrosion-resistant material to make, and coated cable is arranged at innermost layer, the serviceable life of cable can be extended like this, reduce test casing 100 physical environment complicated and changeable to greatest extent to the impact of cable, guarantee that data are transmitted accurate.
Wherein in an embodiment, described pipe box 200 through walls is close to described salt spray test chamber tank wall surfaces externally and internally place and is provided with O-ring seal flange, and described O-ring seal flange forms flange face.
O-ring seal flange can guarantee the sealing testing casing 100, at utmost reduces test casing 100 external environment condition to the interference of internal environment, improves the accuracy of power distribution network switch cubicle aging test.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a power distribution network switch cubicle ageing test apparatus, is characterized in that, comprises test casing, pipe box through walls, leakage current sensing device, local discharge detection device and envirment factor regulating device, wherein, is provided with cable in described pipe box through walls;
Described wall pipe cover penetrates the one side wall of described test casing, described leakage current sensing device, described local discharge detection device and described envirment factor regulating device are arranged in described test casing, described leakage current sensing device and described local discharge detection device detect the electric signal parameter of power distribution network switch cubicle to be tested, and it is external to export the electric signal parameter detected to described chamber by the cable in described pipe box through walls;
Described envirment factor regulating device is for regulating test casing humidity, duration of drenching with rain, light irradiation time and temperature.
2. power distribution network switch cubicle ageing test apparatus according to claim 1, is characterized in that, described envirment factor regulating device comprises spray equipment, light irradiation time regulating device and temperature control equipment.
3. power distribution network switch cubicle ageing test apparatus according to claim 2, is characterized in that, also comprise envirment factor control set for adjusting, and described envirment factor control set for adjusting is connected with described envirment factor regulating device;
Described envirment factor control set for adjusting is used for controlling described spray equipment, described light irradiation time regulating device and described temperature control equipment according to presetting regulative mode, to regulate test casing humidity, duration of drenching with rain, light irradiation time and temperature;
Wherein, presetting regulative mode is for single regulating cycle with 12 hours, in single regulating cycle, test casing is warming up to 50 degrees Celsius with 10 degrees Celsius of heating rates hourly, keep 50 degrees Celsius two hours, 30 degrees Celsius are cooled to again with 10 degrees Celsius of rate of temperature fall hourly, keep 30 degrees Celsius 6 hours, maintain test casing humidity in single regulating cycle between 80% to 95%, illumination 6 hours in single regulating cycle and spray 4 hours.
4. power distribution network switch cubicle ageing test apparatus according to claim 1 and 2, it is characterized in that, also comprise electric signal parameter display device, it is external that described electric signal parameter display device is arranged at described chamber, and described electric signal parameter display device is connected with the cable in described pipe box through walls.
5. power distribution network switch cubicle ageing test apparatus according to claim 1 and 2, it is characterized in that, also comprise power supply, it is external that described power supply is arranged at described chamber, and described power supply is connected with the cable in described pipe box through walls.
6. power distribution network switch cubicle ageing test apparatus according to claim 1 and 2, it is characterized in that, also comprise detection analytical equipment, it is external that described detection analytical equipment is arranged at described chamber, and described detection analytical equipment is connected with described leakage current sensing device and described local discharge detection device respectively;
Described detection analytical equipment is used for, according to the electric signal parameter received, analyzing the size of distribution switch cubicle leakage current to be tested and the situation of shelf depreciation, to check the insulativity of distribution switch cubicle to be tested.
7. power distribution network switch cubicle ageing test apparatus according to claim 1 and 2, is characterized in that, described pipe box through walls comprises copper pipe layer, epoxy resin layer and high temperature vulcanized layer of silica gel from inside to outside successively, the coated described cable of described copper pipe layer.
8. power distribution network switch cubicle ageing test apparatus according to claim 1 and 2, is characterized in that, described wall pipe cover is close to described salt spray test chamber tank wall surfaces externally and internally place and is provided with O-ring seal flange, and described O-ring seal flange forms flange face.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510307363.4A CN104914338A (en) | 2015-06-05 | 2015-06-05 | Distribution network switch cabinet aging test equipment |
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| CN201510307363.4A CN104914338A (en) | 2015-06-05 | 2015-06-05 | Distribution network switch cabinet aging test equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508335A (en) * | 2018-04-02 | 2018-09-07 | 中铁第四勘察设计院集团有限公司 | A kind of insulating padding block for dry type transformer environmental suitability evaluation method and equipment |
| CN111238793A (en) * | 2020-04-02 | 2020-06-05 | 山西省工业设备安装集团有限公司 | High-low voltage equipment test device |
| CN111289856A (en) * | 2020-03-08 | 2020-06-16 | 国网山西省电力公司电力科学研究院 | Distribution network switch cabinet partial discharge detection device/method based on electric pulse technology |
| CN112269090A (en) * | 2020-11-04 | 2021-01-26 | 中车青岛四方机车车辆股份有限公司 | Aging and partial discharge testing device |
| CN116068327A (en) * | 2023-03-31 | 2023-05-05 | 深圳市鼎泰佳创科技有限公司 | Aging control cabinet testing device based on electrical property detection |
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| US20100161259A1 (en) * | 2007-08-29 | 2010-06-24 | Powertron Engineering Co., Ltd. | Aging status diagnostic apparatus for power conversion system, and method their of |
| CN202903934U (en) * | 2012-11-30 | 2013-04-24 | 广州供电局有限公司 | Power equipment environmental life/aging test apparatus |
| CN204789787U (en) * | 2015-06-05 | 2015-11-18 | 广州供电局有限公司 | Join in marriage net cubical switchboard ageing tests device |
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Patent Citations (5)
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| US20100161259A1 (en) * | 2007-08-29 | 2010-06-24 | Powertron Engineering Co., Ltd. | Aging status diagnostic apparatus for power conversion system, and method their of |
| CN101285867A (en) * | 2008-06-11 | 2008-10-15 | 重庆大学 | Electrical insulation electric heating ageing testing equipment |
| CN101551436A (en) * | 2009-05-12 | 2009-10-07 | 重庆大学 | Barometric pressure humidity controllable local discharge test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508335A (en) * | 2018-04-02 | 2018-09-07 | 中铁第四勘察设计院集团有限公司 | A kind of insulating padding block for dry type transformer environmental suitability evaluation method and equipment |
| CN111289856A (en) * | 2020-03-08 | 2020-06-16 | 国网山西省电力公司电力科学研究院 | Distribution network switch cabinet partial discharge detection device/method based on electric pulse technology |
| CN111238793A (en) * | 2020-04-02 | 2020-06-05 | 山西省工业设备安装集团有限公司 | High-low voltage equipment test device |
| CN112269090A (en) * | 2020-11-04 | 2021-01-26 | 中车青岛四方机车车辆股份有限公司 | Aging and partial discharge testing device |
| CN116068327A (en) * | 2023-03-31 | 2023-05-05 | 深圳市鼎泰佳创科技有限公司 | Aging control cabinet testing device based on electrical property detection |
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Application publication date: 20150916 |