CN113325282B - Suspension discharge test model device and method for adjusting discharge gap in electrified mode - Google Patents
Suspension discharge test model device and method for adjusting discharge gap in electrified mode Download PDFInfo
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- CN113325282B CN113325282B CN202110604458.8A CN202110604458A CN113325282B CN 113325282 B CN113325282 B CN 113325282B CN 202110604458 A CN202110604458 A CN 202110604458A CN 113325282 B CN113325282 B CN 113325282B
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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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Abstract
The application discloses suspension discharge test model device and method of electrified regulation discharge clearance, through utilizing the remote controller long-range controller control adjustment mechanism to adjust the metal sheet with the clearance between the insulation board, need not to the suspension discharge model disintegration or manual regulation to realized having realized the purpose that can adjust the discharge clearance under electrified and gas filled state, improved the efficiency and the regulation precision of adjusting the discharge clearance.
Description
Technical Field
The application relates to the technical field of discharge measurement devices, in particular to a suspension discharge test model device and method for adjusting discharge gaps in an electrified mode.
Background
In the operation process of high-voltage equipment, the defects of metal piece loosening, virtual connection, cracking and the like are easy to occur. Since high voltage equipment can generate partial discharge under a high electric field, partial discharge detection has become one of the most commonly used live detection methods in the power industry.
In the process of carrying out local discharge simulation and research, a metal suspension discharge model is usually adopted for carrying out local discharge. In order to change the partial discharge interval and the discharge frequency, the discharge gap is usually adjusted to generate discharge with different voltage and frequency to simulate the fault condition.
The current regulation discharge gap adopts manual regulation usually, also just through disintegrating discharge device, uncaps after exhausting to it and adjusts, simultaneously, can't guarantee after the adjustment at every turn whether it accords with the demand to lead to adjusting the inefficiency and the precision in discharge gap poor.
Disclosure of Invention
The application provides a suspension discharge test model device and method for adjusting a discharge gap in an electrified manner, which are used for solving the technical problems of low efficiency and poor precision of adjusting the discharge gap in the prior art.
In view of this, the first aspect of the present application provides a suspension discharge test model device with an electrically adjusted discharge gap, including: a remote controller and a suspension discharge model;
the suspension discharge model comprises a high pressure plate, a low pressure plate, an insulating medium, a glass visual cup and a controller;
the glass viewing cup is of a cylindrical structure with openings at two ends, the openings at two ends of the glass viewing cup are respectively connected with the high pressure plate and the low pressure plate in a sealing manner, so that a sealed space is formed, the insulating medium is filled in the sealed space, the outer end of the high pressure plate is used for being externally connected with a high-voltage power supply, and the outer end of the low pressure plate is used for being grounded; the input end of the controller is in wireless communication connection with the remote controller; an adjusting mechanism, an insulating plate, a compaction screw, a suspension electrode and a metal plate are arranged in the glass viewing cup;
the metal plate is electrically connected with the second end of the high-voltage plate, the metal plate and the insulating plate are arranged in an up-and-down corresponding mode, a gap is reserved between the metal plate and the insulating plate and connected through the compression screw rod, and the suspension electrode is installed on the end face, close to the metal plate, of the insulating plate;
the adjusting mechanism is electrically connected with the controller and used for adjusting the size of the gap according to a pre-input adjusting instruction.
Preferably, the glass sight cup comprises an inner layer glass sight cup and an outer layer glass sight cup, and the outer layer glass sight cup is sleeved on the outer side of the inner layer glass sight cup.
Preferably, the suspension discharge model further comprises an air valve, the air valve is mounted on the high-pressure plate and is communicated with the sealed space, and the air valve is used for filling the sealed space with the insulating medium.
Preferably, the high pressure plate and the low pressure plate are connected through a plurality of supporting bolts.
Preferably, the suspension discharge model still includes wireless receiving panel and the wireless transmitting plate that charges, wireless receiving panel with the wireless transmitting plate that charges is located respectively inside and outside of confined space, the wireless first end of receiving panel that charges with the controller electricity is connected, the wireless second end of receiving panel that charges with wireless transmitting plate wireless connection that charges, the wireless transmitting plate that charges be used for with outside wireless charging power supply wireless connection.
Preferably, the number of the compression screws is three, the compression screws are evenly arranged along the circumferential direction, the number of the compression screws is three, an upper limit buckle and a lower limit buckle are arranged at two ends of each compression screw respectively, the upper limit buckle and the lower limit buckle are arranged on end faces, far away from each other, of the metal plate and the insulation plate respectively, a spring is sleeved on the compression screw between the upper limit buckle and the metal plate, and the spring is in a tightening state.
Preferably, the adjusting mechanism comprises a motor, a worm and an adjusting screw;
the motor and the worm are both installed on the end face, far away from the insulating plate, of the metal plate, the input end of the motor is electrically connected with the output end of the controller, the worm is connected with the output shaft of the motor, the first end of the adjusting screw rod is sleeved on the transmission shaft of the worm, the second end of the adjusting screw rod penetrates through the metal plate and abuts against the end face of the insulating plate, and therefore the adjusting screw rod is driven to move in the vertical direction to enable the gap between the metal plate and the insulating plate to be adjustable.
Preferably, the number of the adjusting mechanisms is three, and the three adjusting mechanisms are uniformly arranged along the circumferential direction.
Preferably, the adjusting screw is an M1 type screw.
In a second aspect, the invention further provides a use method of the suspension discharge test model device for adjusting the discharge gap in an electrified manner, which includes the following steps:
s1, a high-voltage power supply is externally connected with a high-voltage plate to obtain voltage for exciting a suspension discharge model to generate suspension discharge;
s2, after an adjusting instruction is input through a remote controller, the adjusting instruction is sent to a controller, and the adjusting instruction comprises an adjusting speed instruction, an adjusting direction instruction and an adjusting distance instruction;
s3, sending the adjusting instruction to an adjusting mechanism through the controller;
and S4, adjusting the gap between the metal plate and the insulating plate through the adjusting mechanism according to the adjusting instruction.
According to the technical scheme, the invention has the following advantages:
the invention remotely controls the adjusting mechanism to adjust the gap between the metal plate and the insulating plate through the controller by using the remote controller without disassembling or manually adjusting the suspension discharge model, thereby realizing the purpose of adjusting the discharge gap in a charged and inflated state and improving the efficiency and the adjusting precision of adjusting the discharge gap.
Drawings
Fig. 1 is an exploded view of a suspension discharge test model device for adjusting a discharge gap with power according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a suspension discharge test model device for adjusting a discharge gap with power according to an embodiment of the present application;
fig. 3 is another schematic structural diagram of a suspension discharge test model apparatus for adjusting a discharge gap with power according to the embodiment of the present application;
fig. 4 is a schematic structural diagram of a suspension discharge model for implementing a wireless charging function according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of an adjustment mechanism provided in an embodiment of the present application;
FIG. 6 is another schematic structural diagram of an adjustment mechanism provided in an embodiment of the present application;
fig. 7 is a flowchart of a method for using a suspension discharge test model device for adjusting a discharge gap with power according to an embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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.
For easy understanding, please refer to fig. 1 to 6, the suspension discharge test model apparatus for adjusting a discharge gap with power provided by the present application includes: a remote controller and a suspension discharge model;
the suspension discharge model comprises a high pressure plate 100, a low pressure plate 200, an insulating medium, a glass visual cup 300 and a controller 400;
the glass viewing cup 300 is a cylindrical structure with two open ends, the two open ends of the glass viewing cup 300 are respectively connected with the high-voltage plate 100 and the low-voltage plate 200 in a sealing way, so that a sealing space is formed, an insulating medium is filled in the sealing space, the outer end of the high-voltage plate 100 is externally connected with a high-voltage power supply, and the outer end of the low-voltage plate 200 is grounded; the input end of the controller 400 is in wireless communication connection with a remote controller; an adjusting mechanism, an insulating plate 501, a compaction screw 504, a suspension electrode 502 and a metal plate 503 are arranged inside the glass visual cup 300;
in this embodiment, the high pressure plate 100 and the low pressure plate 200 are respectively provided with a high pressure connection bolt and a grounding bolt, and since they are required to bear 10 times of atmospheric pressure, sealed bolts are used for the high pressure connection bolt and the grounding bolt.
The metal plate 503 is electrically connected with the second end of the high-voltage board 100, the metal plate 503 and the insulating board 501 are arranged in a vertically corresponding manner, a gap 505 is reserved between the metal plate 503 and the insulating board 501 and is connected through a compression screw 504, and the suspension electrode 502 is installed on the end face, close to the metal plate 503, of the insulating board 501;
it is understood that the compression screws 504 support the gap 505 between the metal plate 503 and the insulating plate 501.
The adjustment mechanism is electrically connected to the controller 400 for adjusting the size of the gap 505 according to a pre-input adjustment command.
The adjustment instruction input in advance is an adjustment instruction input by a user through a remote controller, and if the partial discharge needs to be increased according to requirements, the gap 505 needs to be increased, otherwise, the adjustment is performed.
It should be noted that, in the present embodiment, the adjustment mechanism is controlled by the controller 400 to adjust the gap 505 between the metal plate 503 and the insulating plate 501 remotely by using a remote controller, and the suspension discharge model does not need to be disassembled or manually adjusted, so that the purpose of adjusting the discharge gap 505 in a charged and inflated state is achieved, and the efficiency and the accuracy of adjusting the discharge gap 505 are improved.
Further, the glass visual cup 300 specifically comprises an inner glass visual cup 301 and an outer glass visual cup 302, and the outer glass visual cup 302 is sleeved on the outer side of the inner glass visual cup 301.
It can be understood that the inner glass visual cup 301 and the outer glass visual cup 302 are structurally matched but are different in size, the inner glass visual cup 301 and the outer glass visual cup 302 mainly play a supporting role and are convenient to observe, and the inner glass visual cup 301 and the outer glass visual cup 302 are made of high-voltage insulating transparent glass.
Further, the suspension discharge model further comprises an air valve 700, and the air valve 700 is installed on the high pressure plate 100 and is communicated with the sealed space for filling the sealed space with an insulating medium.
Further, referring to fig. 1 to 3, the high pressure plate 100 and the low pressure plate 200 are connected by a plurality of support bolts 600.
It should be noted that, the stay bolt 600 can be 8, and its both ends all adopt the nut to carry out threaded connection to can dismantle fast, simultaneously, a plurality of stay bolt 600 all adopts the insulating bolt of nylon.
Further, as shown in fig. 4, fig. 4 illustrates that the suspension discharge model has a wireless charging function, the suspension discharge model further includes a wireless charging receiving board 802 and a wireless charging transmitting board 801, the wireless charging receiving board 802 and the wireless charging transmitting board 801 are respectively disposed inside and outside the sealed space, a first end of the wireless charging receiving board 802 is electrically connected to the controller 400, a second end of the wireless charging receiving board 802 is wirelessly connected to the wireless charging transmitting board 801, and the wireless charging transmitting board 801 is used for being wirelessly connected to an external wireless charging power supply.
It can be understood that the charging can be realized in a high-voltage test or power failure in a wireless charging mode; in addition, a rechargeable battery may be built in the controller 400.
Further, the number of the compression screws 504 is three, the three compression screws 504 are uniformly arranged along the circumferential direction, two ends of each of the three compression screws 504 are provided with an upper limit buckle and a lower limit buckle respectively, the upper limit buckle and the lower limit buckle are arranged on the end faces, away from each other, of the metal plate 503 and the insulating plate 501 respectively, the compression screws 504 between the upper limit buckle and the metal plate 503 are sleeved with springs 514, and the springs 514 are in a tightening state.
It can be understood that the compression screw 504 not only supports the gap 505, but also can provide a resistance to the feeding direction of the gap 505 in the process of adjusting the gap 505, so as to improve the supporting effect and the adjusting precision, and the spring 514 is in a tightened state, so that the pressure can be ensured when the gap 505 is changed, and the gap 505 can be changed according to requirements; meanwhile, the three compression screws 504 are uniformly distributed along the circumferential direction, so that the supporting effect and the adjusting precision can be improved.
Further, as shown in fig. 5 and 6, the adjusting mechanism includes a motor 51, a worm 52, and an adjusting screw 53;
the motor 51 and the worm 52 are both mounted on the end surface of the metal plate 503 far away from the insulating plate 501, the input end of the motor 51 is electrically connected with the output end of the controller 400, the worm 52 is connected with the output shaft of the motor 51, the first end of the adjusting screw 53 is sleeved on the transmission shaft of the worm 52, and the second end of the adjusting screw 53 penetrates through the metal plate 503 and abuts against the end surface of the insulating plate 501, so that the adjusting screw 53 is driven to move in the vertical direction to enable the gap 505 between the metal plate 503 and the insulating plate 501 to be adjustable.
It can be understood that, when the gap 505 needs to be enlarged, the controller 400 controls the motor 51 to displace the insulation plate 501 away from the metal plate 503 by the adjusting screw 53 under the driving of the worm 52, so as to enlarge the adjustment of the gap 505.
Further, the adjusting mechanism is specifically three, and three adjusting mechanisms are evenly arranged along the circumferential direction.
It should be noted that, because the three adjusting mechanisms are uniformly arranged along the circumferential direction, the three adjusting mechanisms can be synchronously adjusted, and one or two of the three adjusting mechanisms can be adjusted according to requirements, so that the individual requirements of users can be met, and the flexibility of adjusting the gap 505 can be improved.
Further, the adjusting screw 53 is an M1 screw.
It will be appreciated that clearance 505 can be adjusted more precisely using an M1 style screw.
As shown in fig. 7, the following method for using the suspension discharge test model apparatus with an electrically adjusted discharge gap according to this embodiment includes the following steps:
s1, externally connecting a high-voltage power supply through a high-voltage plate to obtain voltage for exciting a suspension discharge model to generate suspension discharge;
s2, after an adjusting instruction is input through a remote controller, the adjusting instruction is sent to a controller and comprises an adjusting speed instruction, an adjusting direction instruction and an adjusting distance instruction;
s3, sending the adjusting instruction to an adjusting mechanism through the controller;
and S4, adjusting the gap between the metal plate and the insulating plate through an adjusting mechanism according to the adjusting instruction.
The use method remotely controls the adjusting mechanism to adjust the gap between the metal plate and the insulating plate through the controller by using the remote controller without disassembling or manually adjusting the suspension discharge model, thereby achieving the purpose of adjusting the discharge gap in a charged and inflated state and improving the efficiency and the accuracy of adjusting the discharge gap.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present application.
Claims (9)
1. The utility model provides a suspension discharge test model device in electrified regulation discharge gap which characterized in that includes: a remote controller and a suspension discharge model;
the suspension discharge model comprises a high pressure plate, a low pressure plate, an insulating medium, a glass visual cup and a controller;
the glass viewing cup is of a cylindrical structure with openings at two ends, the openings at two ends of the glass viewing cup are respectively connected with the high pressure plate and the low pressure plate in a sealing manner, so that a sealed space is formed, the insulating medium is filled in the sealed space, the outer end of the high pressure plate is used for being externally connected with a high-voltage power supply, and the outer end of the low pressure plate is used for being grounded; the input end of the controller is in wireless communication connection with the remote controller; an adjusting mechanism, an insulating plate, a compaction screw, a suspension electrode and a metal plate are arranged in the glass viewing cup;
the metal plate is electrically connected with the second end of the high-voltage plate, the metal plate and the insulating plate are arranged in an up-and-down corresponding mode, a gap is reserved between the metal plate and the insulating plate and connected through the compression screw rod, and the suspension electrode is installed on the end face, close to the metal plate, of the insulating plate;
the adjusting mechanism is electrically connected with the controller and used for adjusting the size of the gap according to a pre-input adjusting instruction;
the adjusting mechanism comprises a motor, a worm and an adjusting screw rod;
the motor and the worm are installed on the end face, far away from the insulating plate, of the metal plate, the input end of the motor is electrically connected with the output end of the controller, the worm is connected with the output shaft of the motor, the first end of the adjusting screw rod is sleeved on the transmission shaft of the worm, and the second end of the adjusting screw rod penetrates through the metal plate and abuts against the end face of the insulating plate, so that the adjusting screw rod is driven to move in the vertical direction to enable the gap between the metal plate and the insulating plate to be adjustable.
2. The device of claim 1, wherein the glass sight cup comprises an inner glass sight cup and an outer glass sight cup, and the outer glass sight cup is sleeved outside the inner glass sight cup.
3. The model device for levitation discharge test with an electrically adjusted discharge gap as recited in claim 1, further comprising a gas valve mounted on the high pressure plate and communicating with the sealed space for filling the sealed space with the insulating medium.
4. The floating discharge test model device with the electric discharge gap adjusting function according to claim 1, wherein the high pressure plate and the low pressure plate are connected through a plurality of supporting bolts.
5. The device as claimed in claim 1, wherein the model further comprises a wireless charging receiving board and a wireless charging transmitting board, the wireless charging receiving board and the wireless charging transmitting board are respectively disposed inside and outside the sealed space, a first end of the wireless charging receiving board is electrically connected to the controller, a second end of the wireless charging receiving board is wirelessly connected to the wireless charging transmitting board, and the wireless charging transmitting board is configured to be wirelessly connected to an external wireless charging power source.
6. The suspension discharge test model device with the discharge gap adjusted in an electrified manner as claimed in claim 1, wherein the number of the compression screws is three, the three compression screws are uniformly arranged along the circumferential direction, two ends of the three compression screws are respectively provided with an upper limit buckle and a lower limit buckle, the upper limit buckle and the lower limit buckle are respectively arranged on the end surfaces of the metal plate and the insulation plate which are far away from each other, a spring is sleeved on the compression screw between the upper limit buckle and the metal plate, and the spring is in a tightened state.
7. The floating discharge test model device with the discharge gap adjusted in an electrified manner according to claim 1, wherein the number of the adjusting mechanisms is three, and the three adjusting mechanisms are uniformly arranged along the circumferential direction.
8. The suspension discharge test model device with the electric discharge gap adjusting function according to claim 1, wherein the adjusting screw is an M1 screw.
9. A method for using the suspension discharge test model device for live tuning of a discharge gap according to any one of claims 1 to 8, comprising the steps of:
s1, a high-voltage power supply is externally connected with a high-voltage plate to obtain voltage for exciting a suspension discharge model to generate suspension discharge;
s2, after an adjusting instruction is input through a remote controller, the adjusting instruction is sent to a controller, and the adjusting instruction comprises an adjusting speed instruction, an adjusting direction instruction and an adjusting distance instruction;
s3, sending the adjusting instruction to an adjusting mechanism through the controller;
and S4, adjusting the gap between the metal plate and the insulating plate through the adjusting mechanism according to the adjusting instruction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110604458.8A CN113325282B (en) | 2021-05-31 | 2021-05-31 | Suspension discharge test model device and method for adjusting discharge gap in electrified mode |
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| CN202110604458.8A CN113325282B (en) | 2021-05-31 | 2021-05-31 | Suspension discharge test model device and method for adjusting discharge gap in electrified mode |
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| CN113325282B true CN113325282B (en) | 2023-01-13 |
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| CN115291065B (en) * | 2022-10-10 | 2023-01-10 | 保定华创电气有限公司 | Suspension discharge model for partial discharge test and partial discharge test system |
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| CN202362994U (en) * | 2011-12-07 | 2012-08-01 | 宁波理工监测科技股份有限公司 | Suspension electrode type partial discharging model device for oil insulation transformer |
| CN203630293U (en) * | 2013-11-02 | 2014-06-04 | 国家电网公司 | Discharge test model for transformer main insulating surface suspended potential |
| CN204028282U (en) * | 2014-04-29 | 2014-12-17 | 深圳供电局有限公司 | A kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge |
| CN104640338A (en) * | 2015-02-01 | 2015-05-20 | 华南理工大学 | Remote control type dielectric barrier discharge electrode device and use method thereof |
| CN205880131U (en) * | 2016-07-22 | 2017-01-11 | 广西电网有限责任公司电力科学研究院 | Model that discharges that anode -cathode separation is adjustable |
| CN205898960U (en) * | 2016-08-02 | 2017-01-18 | 西安科技大学 | Inside bolt looseness defects simulation device of GIS equipment |
| CN111751688A (en) * | 2020-06-17 | 2020-10-09 | 广东电网有限责任公司 | Partial discharge simulation device for adjusting gap of needle plate with electricity |
| CN112415344A (en) * | 2020-11-14 | 2021-02-26 | 国网电力科学研究院武汉南瑞有限责任公司 | GIS partial discharge comprehensive defect analogue means with adjustable |
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