CN112098601A - Composite insulator takes sheath plug water diffusion test boiling device - Google Patents
Composite insulator takes sheath plug water diffusion test boiling device Download PDFInfo
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- CN112098601A CN112098601A CN202010968674.6A CN202010968674A CN112098601A CN 112098601 A CN112098601 A CN 112098601A CN 202010968674 A CN202010968674 A CN 202010968674A CN 112098601 A CN112098601 A CN 112098601A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 238000009835 boiling Methods 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 239000012212 insulator Substances 0.000 title claims abstract description 32
- 238000009792 diffusion process Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims description 14
- 239000013589 supplement Substances 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000003020 moisturizing effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0078—Testing material properties on manufactured objects
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The invention discloses a composite insulator water diffusion test boiling device with a jacket core rod, which relates to the field of water diffusion tests and comprises a support, wherein a pressure barrel, a water replenishing tank and an integrated electric box are arranged on the support, the pressure barrel is provided with a closed inner cavity, the outer side surface of the pressure barrel is provided with a liquid level meter, a first liquid level of the pressure barrel is at least provided with a first liquid level sensor, the liquid level meter is at least provided with a second liquid level sensor at a second liquid level of the pressure barrel, the first liquid level is lower than the second liquid level, and a heating pipe with a controller is further arranged in the pressure barrel; the water replenishing tank is communicated with the pressure barrel through a pipeline, and a switch valve is arranged on the communicated pipeline; the device can automatically replenish water and heat at a low water level, can finish long-term tests on the performance of multiple composite insulator materials, saves labor cost and improves the operation safety of personnel.
Description
Technical Field
The invention relates to a composite insulator water diffusion test boiling device with a jacket core rod, in particular to a water diffusion test boiling device with a jacket core rod for a composite insulator of a power transmission line in the power industry.
Background
With the continuous increase of the insulation quantity and the operation period of the composite insulator during the operation of the power grid, the task of the composite insulator selective examination is increasingly heavy. According to the standard 22079-2008, long-time test items such as a water diffusion test, an umbrella skirt hardness test and the like need to be carried out in the performance detection of the composite insulator material. Present laboratory has long term test equipment now to comprise spherical cauldron of glass and electric heating jacket, and it is poor to have equipment body security performance, does not have shortcomings such as real-time temperature display, and need artifical observation equipment operational aspect many times during the experiment, and the equipment body is mostly glass structure and does not have specific drainage channel, and operating personnel is scalded when having the inequality of being heated and leading to glass to explode and split and sample risk such as.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the composite insulator water diffusion test boiling device with the sheath core rod, which can automatically replenish water and heat at a low water level, can finish a plurality of long-term tests of the composite insulator material performance, saves the labor cost and improves the operation safety of personnel.
In order to achieve the purpose, the technical scheme of the invention is as follows;
a composite insulator water diffusion test boiling device with a jacket core rod comprises a bracket, wherein a pressure barrel, a water replenishing tank and an integrated power box are arranged on the bracket,
the pressure barrel is provided with a closed inner cavity, a liquid level meter is arranged on the outer side surface of the pressure barrel, at least a first liquid level sensor is arranged at a first liquid level of the pressure barrel, at least a second liquid level sensor is arranged at a second liquid level of the pressure barrel, the first liquid level is lower than the second liquid level, and a heating pipe with a controller is further arranged in the pressure barrel;
the water replenishing tank is communicated with the pressure barrel through a pipeline, and a switch valve is arranged on the communicated pipeline;
the first liquid level sensor, the second liquid level sensor and the controller are respectively connected with the integrated electronic box through control signals, when the first liquid level sensor detects that the water level in the pressure barrel is lower than a first liquid level, the switch valve is opened, the water supplementing tank supplements water to the pressure barrel, and meanwhile, the heating pipe starts to heat; when the second liquid level sensor detects that the water level in the pressure barrel is higher than the second liquid level, the switch valve is closed, and the water replenishing tank stops replenishing water to the pressure barrel.
The composite insulator water diffusion test boiling device with the jacket core rod is characterized in that a temperature sensor is further arranged in the pressure barrel and is connected with the integrated electronic box through control signals, wherein when the temperature sensor detects that the temperature of water in the pressure barrel is lower than a first temperature, the heating pipe increases heating power, when the temperature sensor detects that the temperature of water in the pressure barrel is higher than a second temperature, the heating pipe reduces heating power, and the second temperature is higher than the first temperature, so that the water in the pressure barrel is kept between set temperatures.
The composite insulator water diffusion test boiling device with the jacket core rod is characterized in that a condenser is further communicated above the pressure barrel and is connected with a condensation water tank, wherein water vapor in the pressure barrel is condensed by the condenser to form water and flows back into the condensation water tank, and the water loss of the boiling device in the boiling process is reduced.
The composite insulator boiling device with the jacket core rod water diffusion test is characterized in that the pressure barrel is further provided with an automatic pressure release valve, and when the pressure in the pressure barrel reaches a set value, the automatic pressure release valve works to release pressure.
According to the composite insulator boiling device with the water diffusion test of the jacket core rod, the pressure barrel is further provided with the pressure meter and the manual-automatic pressure release valve, and the manual-automatic pressure release valve is operated to release pressure according to the reading of the pressure meter.
According to the composite insulator water boiling device with the jacket core rod water diffusion test, a drain valve is arranged at the bottom of the pressure barrel.
According to the composite insulator water-diffusion test boiling device with the jacket core rod, the pressure barrel is made of stainless steel.
According to the composite insulator water boiling device with the jacket core rod water diffusion test, the support is made of the aluminum alloy material.
The composite insulator water boiling device with the sheath core rod water diffusion test is characterized in that at least a third liquid level sensor is arranged at a third liquid level of the pressure barrel, the third liquid level is lower than the first liquid level, the third liquid level sensor is in signal connection with the integrated electronic box, and when the third liquid level sensor detects that the water level in the pressure barrel is lower than the third liquid level, the integrated electronic box is powered off.
The composite insulator water boiling device with the jacket core rod water diffusion test comprises a controller, a current monitoring module and a voltage monitoring module, wherein the controller is provided with the current monitoring module and the voltage monitoring module which transmit detected current values and voltage values to the integrated electric box.
Compared with the prior art, the invention has the beneficial effects that:
1. the device has the function of automatic water supplement, the first liquid level is a low water level point needing water supplement, when the first liquid level sensor detects that the water level in the pressure barrel is lower than the low water level point needing water supplement, the water supplement tank can supplement water to the pressure barrel, and meanwhile, the heating pipe starts to heat newly supplemented water, so that the function of automatic water supplement at the low water level is realized;
2. the device of the invention has the automatic temperature control function, the integrated electronic box realizes the PID automatic temperature control function by adjusting the output power of the heating pipe according to the detection data of the temperature sensor,
3. the device has the function of automatic power-off protection of ultralow water level, when the third liquid level sensor detects that the water level in the pressure barrel is lower than the ultralow water level, the integrated electronic box cuts off the power supply, so that the dry burning of the water in the pressure barrel can be prevented, and the safety performance of the device is improved;
4. the device has the function of detecting the current and the voltage of the heating pipe in real time, the controller is provided with a current monitoring module and a voltage monitoring module, and the current monitoring module and the voltage monitoring module transmit the detected current value and the detected voltage value to the integrated electronic box.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a water boiling device according to an embodiment of the present invention;
FIG. 2 is a front view of a poaching device according to an embodiment of the present invention;
FIG. 3 is a left side view of the poaching apparatus of an embodiment of the present invention;
FIG. 4 is a top view of a poaching device according to an embodiment of the present invention;
fig. 5 is a right side view of the poaching device of the embodiment of the present invention.
In the figure: 1. an aluminum alloy bracket; 2. a drain valve; 3. punching 304 stainless steel under pressure; 4. a liquid level meter; 5. a pressure gauge; 6. a manual-automatic integrated pressure relief valve; 7. a condenser; 8. a water replenishing tank; 9. an integrated electronic box; 10. a condensed water tank; 11. an automatic pressure relief valve; 12. a temperature sensor; 13. heating the tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example (b):
it will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a water boiling device according to an embodiment of the present invention; FIG. 2 is a front view of a poaching device according to an embodiment of the present invention; FIG. 3 is a left side view of the poaching apparatus of an embodiment of the present invention; FIG. 4 is a top view of a poaching device according to an embodiment of the present invention; fig. 5 is a right side view of the poaching device of the embodiment of the present invention.
A composite insulator water diffusion test boiling device with a jacket core rod comprises a support, wherein a pressure barrel, a water supplementing tank 8 and an integrated power box 9 are arranged on the support, the pressure barrel is provided with a closed inner cavity, a liquid level meter 4 is arranged on the outer side surface of the pressure barrel, at least a first liquid level sensor is arranged at a first liquid level of the pressure barrel, at least a second liquid level sensor is arranged at a second liquid level of the pressure barrel by the liquid level meter 4, the first liquid level is lower than the second liquid level, and a heating pipe 13 with a controller is further arranged in the pressure barrel; the water replenishing tank 8 is communicated with the pressure barrel through a pipeline, and a switch valve is arranged on the communicated pipeline; the first liquid level sensor, the second liquid level sensor and the controller are respectively connected with the integrated electric box 9 in a control signal mode, when the first liquid level sensor detects that the water level in the pressure barrel is lower than a first liquid level, the switch valve is opened, the water supplementing box 8 supplements water to the pressure barrel, and meanwhile, the heating pipe 13 starts to heat; when the second liquid level sensor detects that the water level in the pressure barrel is higher than the second liquid level, the switch valve is closed, and the water replenishing tank 8 stops replenishing water to the pressure barrel. In this embodiment, first liquid level is the low water level point that needs the moisturizing, and when first level sensor detected the water level in the pressure tank and is less than the low water level point that needs the moisturizing, moisturizing case 8 will be to the pressure tank moisturizing, and heating pipe 13 begins to heat the water of newly mending simultaneously, realizes low water level automatic water supply's function.
As an optional implementation manner, in some embodiments, a temperature sensor 12 is further disposed in the pressure barrel, and the temperature sensor 12 is connected with the electronic integrated box 9 by a control signal, wherein when the temperature sensor 12 detects that the temperature of the water in the pressure barrel is lower than a first temperature, the heating pipe 13 increases the heating power, and when the temperature sensor 12 detects that the temperature of the water in the pressure barrel is higher than a second temperature, the heating pipe 13 decreases the heating power, and the second temperature is higher than the first temperature, so as to maintain the temperature of the water in the pressure barrel between the set temperatures. In this embodiment, the integrated electronic box 9 realizes the PID automatic temperature control function by adjusting the output power of the heating pipe 13 according to the detection data of the temperature sensor 12, and when the first temperature and the second temperature are set to be close to each other, the effect of almost automatic constant temperature control can be realized.
As an optional implementation manner, in some embodiments, a condenser 7 is further communicated above the pressure barrel, and a condensed water tank 10 is connected to the condenser 7, wherein water vapor in the pressure barrel is condensed by the condenser 7 to form water and flows back into the condensed water tank 10, so that the loss of moisture in the water boiling process of the water boiling device is reduced.
As an alternative, in some embodiments, the pressure barrel is further provided with an automatic pressure relief valve 11, and when the pressure in the pressure barrel reaches a set value, the automatic pressure relief valve 11 operates to relieve the pressure. Further, the pressure barrel is further provided with a pressure gauge 5 and an automatic and manual pressure release valve 6, and the automatic and manual pressure release valve 6 is operated to release pressure according to the reading of the pressure gauge 5. In this embodiment, manual-automatic pressure release valve 6 and automatic pressure release valve 11 are all installed on the pressure vessel, and all have automatic pressure release function, but manual-automatic pressure release valve 6 also can manual pressure release simultaneously, and the upper limit of pressure vessel internal pressure has been guaranteed to automatic pressure release function, improves the security.
As an alternative, in some embodiments, the bottom of the pressure barrel is provided with a drain valve 2, and the drain valve 2 is used for draining the water in the pressure barrel after the experiment is finished.
As an alternative implementation mode, in some embodiments, the pressure barrel is made of stainless steel, and the stainless steel can reduce the overall quality of the device, is pressure-resistant and is not easy to corrode and damage when meeting water.
As an alternative implementation mode, in some embodiments, the bracket is made of aluminum alloy, which can reduce the overall quality of the device, and the aluminum alloy bracket 1 has enough hardness to be used as a device substrate.
As an alternative, in some embodiments, at least a third liquid level sensor is provided at a third liquid level of the pressure tank, said third liquid level being lower than said first liquid level, said third liquid level sensor being in control signal connection with said integrated electronic box 9, said integrated electronic box 9 being powered off when the third liquid level sensor detects that the water level inside said pressure tank is lower than the third liquid level. In this embodiment, the third liquid level basically has almost no liquid level (i.e. ultra-low water level) of water in the pressure barrel, and in this case, when the third liquid level sensor detects that the water level in the pressure barrel is lower than the ultra-low water level, the integrated electronic box 9 is powered off, so that dry burning of the water in the pressure barrel can be prevented, and the safety performance of the device is improved. In addition, the integrated electronic box 9 can be further provided with an alarm which alarms to remind a user of paying attention to the situation when the power is off due to dry burning.
As an alternative implementation, in some embodiments, the controller has a current monitoring module and a voltage monitoring module, which transmit the detected current and voltage values to the electrical integration box 9.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (10)
1. A composite insulator water diffusion test boiling device with a jacket core rod comprises a bracket and is characterized in that the bracket is provided with a pressure barrel, a water replenishing tank and an integrated power box,
the pressure barrel is provided with a closed inner cavity, a liquid level meter is arranged on the outer side surface of the pressure barrel, at least a first liquid level sensor is arranged at a first liquid level of the pressure barrel, at least a second liquid level sensor is arranged at a second liquid level of the pressure barrel, the first liquid level is lower than the second liquid level, and a heating pipe with a controller is further arranged in the pressure barrel;
the water replenishing tank is communicated with the pressure barrel through a pipeline, and a switch valve is arranged on the communicated pipeline;
the first liquid level sensor, the second liquid level sensor and the controller are respectively connected with the integrated electronic box through control signals, when the first liquid level sensor detects that the water level in the pressure barrel is lower than a first liquid level, the switch valve is opened, the water supplementing tank supplements water to the pressure barrel, and meanwhile, the heating pipe starts to heat; when the second liquid level sensor detects that the water level in the pressure barrel is higher than the second liquid level, the switch valve is closed, and the water replenishing tank stops replenishing water to the pressure barrel.
2. The composite insulator sheathed mandrel water diffusion test boiling device of claim 1, wherein a temperature sensor is further arranged in the pressure barrel, the temperature sensor is connected with the integrated electronic box control signal, wherein when the temperature sensor detects that the temperature of water in the pressure barrel is lower than a first temperature, the heating pipe increases the heating power, when the temperature sensor detects that the temperature of water in the pressure barrel is higher than a second temperature, the heating pipe decreases the heating power, and the second temperature is higher than the first temperature, so that the water in the pressure barrel is kept between set temperatures.
3. The composite insulator water diffusion test boiling device with the jacket mandrel as claimed in claim 1, wherein a condenser is further communicated above the pressure barrel and connected with a condensed water tank, wherein water vapor in the pressure barrel is condensed by the condenser to form water and flows back into the condensed water tank, and therefore the water loss of the boiling device in the boiling process is reduced.
4. The composite insulator water diffusion test boiling device with the jacket core rod is characterized in that the pressure barrel is further provided with an automatic pressure relief valve, and when the pressure in the pressure barrel reaches a set value, the automatic pressure relief valve works to relieve pressure.
5. The composite insulator water diffusion test boiling device with the jacket mandrel and the water diffusion test boiling barrel of claim 4, wherein the pressure barrel is further provided with a pressure gauge and a manual-automatic pressure relief valve, and the manual-automatic pressure relief valve is operated to relieve pressure according to the reading of the pressure gauge.
6. The composite insulator water diffusion test boiling device with the jacket core rod as claimed in any one of claims 1 to 5, wherein a drain valve is arranged at the bottom of the pressure barrel.
7. The composite insulator water diffusion test boiling device with the jacket core rod as claimed in any one of claims 1 to 5, wherein the pressure barrel is made of stainless steel.
8. The composite insulator with jacket core rod water diffusion test boiling device of any one of claims 1-5, wherein the bracket is made of aluminum alloy.
9. The composite insulator with sheath core rod water diffusion test boiling device of any one of claims 1-5, wherein at least a third liquid level sensor is arranged at a third liquid level of the pressure barrel, the third liquid level is lower than the first liquid level, the third liquid level sensor is in signal connection with the integrated electric box, and when the third liquid level sensor detects that the water level in the pressure barrel is lower than the third liquid level, the integrated electric box is powered off.
10. The composite insulator sheathed mandrel water diffusion test poaching device of any one of claims 1 to 5, wherein the controller has a current monitoring module and a voltage monitoring module, the current monitoring module and the voltage monitoring module transmitting detected current and voltage values to the integrated electrical box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968674.6A CN112098601A (en) | 2020-09-15 | 2020-09-15 | Composite insulator takes sheath plug water diffusion test boiling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968674.6A CN112098601A (en) | 2020-09-15 | 2020-09-15 | Composite insulator takes sheath plug water diffusion test boiling device |
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| CN112098601A true CN112098601A (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010968674.6A Pending CN112098601A (en) | 2020-09-15 | 2020-09-15 | Composite insulator takes sheath plug water diffusion test boiling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485495A (en) * | 2021-07-08 | 2021-10-08 | 珠海格力电器股份有限公司 | Control method and device of water tank, water circulation heat exchange system, medium and processor |
| CN113884799A (en) * | 2021-10-11 | 2022-01-04 | 广西电网有限责任公司电力科学研究院 | Composite cross arm water boiling test water boiling device and use method thereof |
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| CN105911398A (en) * | 2016-06-12 | 2016-08-31 | 南方电网科学研究院有限责任公司 | Composite insulator interface detection method |
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Application publication date: 20201218 |