CN111289856A - Distribution network switch cabinet partial discharge detection device/method based on electric pulse technology - Google Patents

Distribution network switch cabinet partial discharge detection device/method based on electric pulse technology Download PDF

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Publication number
CN111289856A
CN111289856A CN202010154746.3A CN202010154746A CN111289856A CN 111289856 A CN111289856 A CN 111289856A CN 202010154746 A CN202010154746 A CN 202010154746A CN 111289856 A CN111289856 A CN 111289856A
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CN
China
Prior art keywords
partial discharge
distribution network
switch cabinet
network switch
discharge detection
Prior art date
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Pending
Application number
CN202010154746.3A
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Chinese (zh)
Inventor
白鹭
晋涛
李冠良
关少平
杨成鹏
张来福
董理科
杨冬冬
李小婧
郑志宏
郭锦龙
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Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
Original Assignee
Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd filed Critical Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
Priority to CN202010154746.3A priority Critical patent/CN111289856A/en
Publication of CN111289856A publication Critical patent/CN111289856A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing 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
    • G01R31/1227Testing 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 of components, parts or materials

Abstract

The invention relates to the technical field of partial discharge detection, and discloses a distribution network switch cabinet partial discharge detection device based on an electric pulse technology, which comprises a support plate and a seal box, wherein inner rods are fixedly arranged on the left side and the right side of the bottom of the support plate, hollow rods are sleeved outside the inner rods, limiting blocks are fixedly arranged at the bottoms of the inner rods, floor boards are fixedly arranged at the bottoms of the hollow rods, hollow threaded cylinders are fixedly arranged on the opposite sides of the hollow rods, and threaded rotary rods with one ends penetrating through the hollow threaded cylinders and extending into the hollow rods are movably arranged on the opposite sides of the hollow threaded cylinders. According to the distribution network switch cabinet partial discharge detection device/method based on the electric pulse technology, the heating rod, the power fan, the connecting pipe and the extension hose are arranged, the equipment is placed in a detection environment, the heating rod and the power fan are started, and the air outlet pipe blows hot air to blow and dry moisture at the bottom of the distribution network switch cabinet partial discharge detection device based on the electric pulse technology, so that the problem of ground moisture is solved.

Description

Distribution network switch cabinet partial discharge detection device/method based on electric pulse technology
Technical Field
The invention relates to the technical field of partial discharge detection, in particular to a distribution network switch cabinet partial discharge detection device/method based on an electric pulse technology.
Background
The partial discharge tester adopts advanced anti-interference components and a unique door display circuit, has four high-frequency elliptical scans, and is suitable for the type and delivery test of high-voltage products, the research and test of new products, and the quantitative test of partial discharge of motors, transformers, cables, sleeves, capacitors, transformers, lightning arresters, switches and other high-voltage electrical appliances.
Chinese patent CN 105699926 a proposes a pulse check rod for electric pulse partial discharge detection, which provides a pulse check rod for electric pulse partial discharge detection, the rod body is light in weight, and is scalable, and is convenient to carry and does not need to be held by a tester for a long time in the test process, the output pulse signal is adjustable and has a battery power reminding function, it not only makes the high-altitude pulse check of electric pulse partial discharge detection more convenient and faster, but also solves the potential safety hazard problem of the tester working high above the ground, but in the discharge detection of the distribution network switch cabinet, the moisture in the environment is heavier, which causes the local discharge on the surface of the distribution network switch cabinet, resulting in abnormal measurement, and the user is very annoying, thus, a distribution network switch cabinet partial discharge detection device/method based on the electric pulse technology is proposed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a distribution network switch cabinet partial discharge detection device/method based on an electric pulse technology, which has the advantages of clearing moisture in the distribution network switch cabinet environment and the like, and solves the problems that in the discharge detection of the distribution network switch cabinet, the moisture in the environment is heavy, so that the partial discharge on the surface of the distribution network switch cabinet is caused, the measurement is abnormal, and a user is very annoying.
(II) technical scheme
In order to achieve the purpose of clearing moisture in the environment of the distribution network switch cabinet, the invention provides the following technical scheme: the distribution network switch cabinet partial discharge detection device based on the electric pulse technology comprises a support plate and a seal box, wherein an inner rod is fixedly mounted on the left side and the right side of the bottom of the support plate, a hollow rod is sleeved outside the inner rod, a limiting block is fixedly mounted on the bottom of the inner rod, a floor is fixedly mounted at the bottom of the hollow rod, a hollow thread cylinder is fixedly mounted on one side of the hollow rod opposite to the other side, a thread rotating rod is movably mounted on one side of the hollow thread cylinder opposite to the other side, one end of the thread rotating rod penetrates through the hollow thread cylinder and extends into the hollow rod, a rotating device is fixedly mounted on one side opposite to the thread rotating rod, a clamping base plate with one end contacting with the inner rod is fixedly mounted on one side opposite to the rotating device, a partial discharge tester is fixedly mounted on the left side of the top of the support plate, the inside movable mounting of spacing slot has one end to run through and extend to limiting plate below and with support plate fixed connection's spacing picture peg, the inner diapire fixed mounting of seal box has quantity to be the three stick that generates heat, the inner diapire of seal box and the right side fixed mounting who is located the stick that generates heat have power fan, power fan's air outlet intercommunication has one end to run through and extend to the joint pipe on seal box right side, the right side intercommunication of joint pipe has extension hose, the rear side fixed mounting that the bottom left and right sides of support plate just is located interior pole has violently the pipe, the bottom intercommunication of violently managing has quantity to be two outlet duct, the right side intercommunication of violently managing has the adapter, the inside movable mounting of adapter has the butt joint pipe that one end and extension hose are linked together.
Preferably, the limiting block is a rectangular block, and the limiting block is attached to the inner wall of the hollow rod.
Preferably, the rotating device comprises an inner rotating rod and an outer fixed rod, a T-shaped rotating groove is formed in one side, opposite to the outer fixed rod, of the outer fixed rod, and the inner rotating rod, with one end penetrating through and extending to one side, opposite to the outer fixed rod, of the inner rotating rod is movably mounted inside the T-shaped rotating groove.
Preferably, the support plate and the floor plate are both pinewood plates, and the top of the support plate and the bottom of the floor plate are both fixedly provided with insulating rubber.
Preferably, the limiting ring is sleeved outside the transverse pipe, and a limiting rod with one end fixedly connected with the support plate is fixedly mounted at the top of the limiting ring.
Preferably, the extension hose is a rubber hose, and the adapting pipe is matched with the butt joint pipe.
The distribution network switch cabinet partial discharge detection method based on the electric pulse technology is characterized in that the distribution network switch cabinet partial discharge detection device based on the electric pulse technology in claim 1 is placed in a detection environment, a heating rod and a power fan are started, hot air blown out from an air outlet pipe blows out wet air at the bottom of the distribution network switch cabinet partial discharge detection device based on the electric pulse technology, an abutting pipe is rotated to be separated from a bearing pipe, and the tested distribution network switch cabinet, a booster transformer and a coupling capacitor are blown by the abutting pipe.
(III) advantageous effects
Compared with the prior art, the invention provides a distribution network switch cabinet partial discharge detection device/method based on an electric pulse technology, which has the following beneficial effects:
1. according to the distribution network switch cabinet partial discharge detection device/method based on the electric pulse technology, the heating rod, the power fan, the connecting pipe and the extension hose are arranged, when a user uses the device, the user places the device in a detection environment, the heating rod and the power fan are started, the air outlet pipe blows hot air to blow and dry moisture at the bottom of the distribution network switch cabinet partial discharge detection device based on the electric pulse technology, and therefore the problem of ground moisture is solved.
2. According to the distribution network switch cabinet partial discharge detection device/method based on the electric pulse technology, through the transverse pipe, the air outlet pipe, the adapter pipe and the butt joint pipe, when a user uses equipment, after the humidity at the bottom of the equipment is cleaned, the butt joint pipe is rotated to be separated from the adapter pipe, the butt joint pipe is used for drying the distribution network switch cabinet, the step-up transformer and the coupling capacitor to be tested, the distribution network switch cabinet, the step-up transformer and the coupling capacitor to be tested cannot generate abnormal discharge on the surface in a measuring room, and therefore the measuring result cannot generate abnormality.
Drawings
Fig. 1 is a schematic structural diagram of a distribution network switch cabinet partial discharge detection device based on an electric pulse technology according to the present invention;
fig. 2 is an enlarged view of a position a in fig. 1 of the distribution network switch cabinet partial discharge detection device based on the electric pulse technology according to the present invention;
fig. 3 is an enlarged view of a position B in fig. 1 of the distribution network switch cabinet partial discharge detection device based on the electric pulse technology.
In the figure: the device comprises a support plate 1, an inner rod 2, a hollow rod 3, a limiting block 4, a floor 5, a hollow threaded cylinder 6, a threaded rotating rod 7, a rotating device 8, a clamping base plate 9, a partial discharge tester 10, a sealing box 11, a limiting plate 12, a limiting slot 13, a limiting inserting plate 14, a heating rod 15, a power fan 16, a connecting pipe 17, an extending hose 18, a transverse pipe 19, an air outlet pipe 20, a connecting pipe 21 and a butt joint pipe 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 invention, 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 invention.
Referring to fig. 1-3, the distribution network switch cabinet partial discharge detection device based on the electric pulse technology comprises a support plate 1 and a seal box 11, wherein inner rods 2 are fixedly mounted on the left and right sides of the bottom of the support plate 1, hollow rods 3 are sleeved outside the inner rods 2, limiting blocks 4 are fixedly mounted on the bottom of the inner rods 2 and are rectangular blocks, the limiting blocks 4 are attached to the inner walls of the hollow rods 3, floor plates 5 are fixedly mounted on the bottom of the hollow rods 3, the support plate 1 and the floor plates 5 are both made of pine plates, insulating rubber is fixedly mounted on the top of the support plate 1 and the bottom of the floor plates 5, hollow threaded cylinders 6 are fixedly mounted on the opposite sides of the hollow rods 3, threaded rotary rods 7 are movably mounted on the opposite sides of the hollow threaded cylinders 6, one ends of the threaded rotary rods 7 penetrate through the hollow threaded cylinders 6 and extend into the hollow rods 3, rotating devices 8 are fixedly mounted on the opposite sides of the threaded rotary rods 7, a T-shaped rotating groove is formed in the opposite side of the fixed outer rod, a rotating inner rod with one end penetrating and extending to the opposite side of the fixed outer rod is movably mounted in the T-shaped rotating groove, a clamping base plate 9 with one end contacting with the inner rod 2 is fixedly mounted at the opposite side of the rotating device 8, a partial discharge tester 10 is fixedly mounted at the left side of the top of the carrier plate 1, limiting plates 12 are fixedly mounted at the left side and the right side of a seal box 11, limiting slots 13 are formed in the bottoms of the limiting plates 12, limiting insertion plates 14 with one ends penetrating and extending below the limiting plates 12 and fixedly connected with the carrier plate 1 are movably mounted in the limiting slots 13, three heating rods 15 are fixedly mounted on the inner bottom wall of the seal box 11, a power fan 16 is fixedly mounted on the inner bottom wall of the seal box 11 and positioned at the right side of the heating rods 15, the model of the power fan 16 is Y225S-4, an air outlet of the power fan 16 is communicated, the right side of the connecting pipe 17 is communicated with an extension hose 18, the left side and the right side of the bottom of the support plate 1 are fixedly provided with a horizontal pipe 19 at the rear side of the inner rod 2, the outside of the horizontal pipe 19 is sleeved with a limiting ring, the top of the limiting ring is fixedly provided with a limiting rod, one end of the limiting rod is fixedly connected with the support plate 1, the bottom of the horizontal pipe 19 is communicated with two air outlet pipes 20, the right side of the horizontal pipe 19 is communicated with a bearing pipe 21, the inside of the bearing pipe 21 is movably provided with a butt joint pipe 22, one end of the butt joint pipe 22 is communicated with the extension hose 18, the extension hose 18 is.
The distribution network switch cabinet partial discharge detection method based on the electric pulse technology comprises the steps of placing the distribution network switch cabinet partial discharge detection device based on the electric pulse technology in a detection environment according to claim 1, starting the heating rod 15 and the power fan 16, blowing hot air out of the air outlet pipe 20 to blow moisture at the bottom of the distribution network switch cabinet partial discharge detection device based on the electric pulse technology, rotating the butt joint pipe 22 to separate from the adapting pipe 21, blowing the tested distribution network switch cabinet, the step-up transformer and the coupling capacitor by using the butt joint pipe 22, and placing equipment in the detection environment by a user when using the equipment by arranging the heating rod 15, the power fan 16, the adapting pipe 17 and the extension hose 18, starting the heating rod 15 and the power fan 16, blowing hot air out of the air outlet pipe 20 to blow moisture at the bottom of the distribution network switch cabinet partial discharge detection device based on the electric pulse technology, so that the problem of ground moisture is, The air outlet pipe 20, the adapting pipe 21 and the butt joint pipe 22 are adopted, when a user uses the device, after the moisture at the bottom of the device is cleaned, the butt joint pipe 22 is rotated to be separated from the adapting pipe 21, the butt joint pipe 22 is used for drying the tested distribution network switch cabinet, the boosting transformer and the coupling capacitor, the tested distribution network switch cabinet, the boosting transformer and the coupling capacitor cannot generate surface abnormal discharge in a measuring chamber, and therefore the measuring result cannot generate abnormity.
To sum up, the distribution network switch cabinet partial discharge detection device based on the electric pulse technology is characterized in that the heating rod 15, the power fan 16, the connecting pipe 17 and the extension hose 18 are arranged, when a user uses the device, the user places the device in a detection environment, the heating rod 15 and the power fan 16 are started, the air outlet pipe 20 blows hot air to blow and dry the moisture at the bottom of the distribution network switch cabinet partial discharge detection device based on the electric pulse technology, therefore, the problem of the moisture on the ground is solved, when the user uses the device, the horizontal pipe 19, the air outlet pipe 20, the connecting pipe 21 and the butt joint pipe 22 are used, the butt joint pipe 22 is rotated to be separated from the connecting pipe 21 after the moisture at the bottom of the device is cleaned, the butt joint pipe 22 is used to blow and dry the distribution network switch cabinet, the step-up transformer and the coupling capacitor to be tested, and the abnormal discharge on the surface of the distribution, the measurement result can not appear unusually consequently, has solved putting in distribution network cubical switchboard and has detected, and the moisture in the environment can arouse the partial discharge on distribution network cubical switchboard surface than heavy, leads to measuring unusually, and the user is to this very vexation problem.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Distribution network switch cabinet partial discharge detection device based on electric pulse technique includes support plate (1) and seal box (11), its characterized in that: the inner rod (2) is fixedly mounted on the left side and the right side of the bottom of the carrier plate (1), the hollow rod (3) is sleeved outside the inner rod (2), the limiting block (4) is fixedly mounted on the bottom of the inner rod (2), the floor (5) is fixedly mounted on the bottom of the hollow rod (3), a hollow thread cylinder (6) is fixedly mounted on one side of the hollow rod (3) opposite to the back, a thread rotating rod (7) is movably mounted on one side of the hollow thread cylinder (6) opposite to the back, one end of the thread rotating rod (7) penetrates through the hollow thread cylinder (6) and extends into the hollow rod (3), a rotating device (8) is fixedly mounted on one side of the thread rotating rod (7) opposite to the back, a clamping base plate (9) with one end contacting with the inner rod (2) is fixedly mounted on one side of the rotating device (8), a partial discharge tester (10), the all fixed mounting in the left and right sides of seal box (11) has limiting plate (12), spacing slot (13) have been seted up to the bottom of limiting plate (12), the inside movable mounting of spacing slot (13) has one end to run through and extend to limiting plate (12) below and with support plate (1) fixed connection's spacing picture peg (14), the interior diapire fixed mounting of seal box (11) has quantity to be three heating rod (15), the interior diapire of seal box (11) and the right side fixed mounting who is located heating rod (15) have power fan (16), the air outlet intercommunication of power fan (16) has one end to run through and extend to linking pipe (17) on seal box (11) right side, the right side intercommunication of linking pipe (17) has extension hose (18), the bottom left and right sides of support plate (1) and the rear side fixed mounting that is located interior pole (2) have violently pipe (19), the bottom of the transverse pipe (19) is communicated with two air outlet pipes (20), the right side of the transverse pipe (19) is communicated with a bearing pipe (21), and a butt joint pipe (22) with one end communicated with the extension hose (18) is movably arranged in the bearing pipe (21).
2. The distribution network switch cabinet partial discharge detection device based on the electric pulse technology as claimed in claim 1, wherein: the limiting block (4) is a rectangular block, and the limiting block (4) is attached to the inner wall of the hollow rod (3).
3. The distribution network switch cabinet partial discharge detection device based on the electric pulse technology as claimed in claim 1, wherein: rotating device (8) are including rotating interior pole and fixed outer pole, the T shape rotation groove has been seted up to the relative one side of fixed outer pole, the inside movable mounting in T shape rotation groove has one end to run through and extends to the rotation interior pole of the relative one side of fixed outer pole.
4. The distribution network switch cabinet partial discharge detection device based on the electric pulse technology as claimed in claim 1, wherein: the floor board is characterized in that the carrier plate (1) and the floor board (5) are both pinewood boards, and insulating rubber is fixedly mounted at the top of the carrier plate (1) and the bottom of the floor board (5).
5. The distribution network switch cabinet partial discharge detection device based on the electric pulse technology as claimed in claim 1, wherein: the limiting ring is sleeved outside the transverse pipe (19), and a limiting rod with one end fixedly connected with the support plate (1) is fixedly installed at the top of the limiting ring.
6. The distribution network switch cabinet partial discharge detection device based on the electric pulse technology as claimed in claim 1, wherein: the extension hose (18) is a rubber hose, and the bearing pipe (21) is matched with the butt joint pipe (22).
7. The distribution network switch cabinet partial discharge detection method based on the electric pulse technology is characterized by comprising the following steps: the distribution network switch cabinet partial discharge detection device based on the electric pulse technology, which is disclosed by the claim 1, is placed in a detection environment, the heating rod (15) and the power fan (16) are started, the air outlet pipe (20) blows hot air to blow dry moisture at the bottom of the distribution network switch cabinet partial discharge detection device based on the electric pulse technology, the butt joint pipe (22) is rotated to be separated from the bearing pipe (21), and the tested distribution network switch cabinet, the booster transformer and the coupling capacitor are blown dry by the butt joint pipe (22).
CN202010154746.3A 2020-03-08 2020-03-08 Distribution network switch cabinet partial discharge detection device/method based on electric pulse technology Pending CN111289856A (en)

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CN202010154746.3A CN111289856A (en) 2020-03-08 2020-03-08 Distribution network switch cabinet partial discharge detection device/method based on electric pulse technology

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Application Number Priority Date Filing Date Title
CN202010154746.3A CN111289856A (en) 2020-03-08 2020-03-08 Distribution network switch cabinet partial discharge detection device/method based on electric pulse technology

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