CN113281586B - Real-time monitoring device for electrical equipment partial discharge detection equipment - Google Patents

Real-time monitoring device for electrical equipment partial discharge detection equipment Download PDF

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Publication number
CN113281586B
CN113281586B CN202110445711.XA CN202110445711A CN113281586B CN 113281586 B CN113281586 B CN 113281586B CN 202110445711 A CN202110445711 A CN 202110445711A CN 113281586 B CN113281586 B CN 113281586B
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China
Prior art keywords
limiting
electrical equipment
partial discharge
fixedly connected
rod
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CN202110445711.XA
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CN113281586A (en
Inventor
刘伟
高均海
吕辉
成纯富
胡玥
刘凌云
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Wuhan Ele Vate Electric Power Technology Co ltd
Hubei University of Technology
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Wuhan Ele Vate Electric Power Technology Co ltd
Hubei University of Technology
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Priority to CN202110445711.XA priority Critical patent/CN113281586B/en
Publication of CN113281586A publication Critical patent/CN113281586A/en
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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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Abstract

The invention relates to the technical field of electrical equipment partial discharge, and discloses a real-time monitoring device for electrical equipment partial discharge detection equipment. This real-time supervision device that electrical equipment partial discharge check out test set used monitors the partial discharge condition on electrical equipment shell surface through first current sensor, and second current sensor monitors the inside partial discharge condition that carries on of electrical equipment shell, and can utilize the audio-visual demonstration electrical apparatus partial discharge monitoring numerical value of display screen, can monitor electrical equipment's inside and outside simultaneously, improves the monitoring efficiency that the data was put in the electrical apparatus partial discharge.

Description

Real-time monitoring device for electrical equipment partial discharge detection equipment
Technical Field
The invention relates to the technical field of electrical equipment partial discharge, in particular to a real-time monitoring device for electrical equipment partial discharge detection equipment.
Background
Electrical equipment is a general term for equipment such as generators, transformers, power lines, and circuit breakers in power systems.
The important role played by electric power in our life and production is not ignored, the electric power brings great convenience to our production and life, the most critical factor for normal operation and transmission of electric power in a power plant is electric equipment, but the existing detection equipment can only carry out single monitoring on the inside or the outside of the electric equipment, and monitoring data are easy to miss, so that the real-time monitoring device for the electric equipment partial discharge detection equipment is provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a real-time monitoring device for electrical equipment partial discharge detection equipment, which has the advantage of monitoring partial discharge inside and outside electrical equipment simultaneously, and solves the problems that the existing detection equipment can only carry out single monitoring on the inside or outside of the electrical equipment, and monitoring data are easy to omit.
(II) technical scheme
In order to achieve the purpose of monitoring the partial discharge inside and outside the power equipment at the same time, the invention provides the following technical scheme:
a real-time monitoring device for electrical equipment partial discharge detection equipment comprises an electrical equipment shell, wherein a mounting plate is fixedly connected to the right side of the electrical equipment shell, a mounting screw is connected to the right side of the mounting plate in a threaded manner, a limiting sleeve is fixedly connected to the middle part of the right side of the mounting plate, a limiting insertion rod is fixedly connected to the inside of the limiting sleeve, locking mechanisms are fixedly mounted at the top and the bottom of the limiting insertion rod respectively, a supporting plate positioned on the left side of the electrical equipment shell is fixedly connected to the outside of the left end of the limiting insertion rod, a control unit is fixedly mounted at the top of the left side of the supporting plate, a display screen is fixedly mounted at the left side of the control unit, an alarm is fixedly mounted at the bottom of the left side of the supporting plate, a first current sensor is fixedly mounted at the top of the right side of the supporting plate, and limiting rods are fixedly connected to the top and the bottom of the right side of the limiting insertion rod respectively, the utility model discloses a spacing spring, including spacing inserted bar, outer tube, inner guard plate and spacing inserted bar, the middle part fixedly connected with spacing stand on spacing inserted bar right side, the outside swing joint of spacing pole has the connector, the outside threaded connection of connector has the outer tube, the right side fixedly connected with inner casing of outer tube, the relative one side of inner casing and spacing inserted bar respectively with the both ends fixed connection of spacing spring, the right side fixed mounting of inner casing has second current sensor.
As a still further scheme of the invention: the quantity of installation screw is four, and the one end of four installation screws runs through the mounting panel and extends to the inside of electrical equipment shell.
As a still further scheme of the invention: the limiting sleeve is annular, the clamping holes are formed in the top and the bottom of the limiting sleeve, and the left side wall of the inner cavity of each clamping hole is an inclined plane.
As a still further scheme of the invention: the top and the bottom of spacing inserted bar all set up the activity groove that is located the limiting sleeve inboard, and activity groove and card hole are corresponding, and the aperture in activity groove is greater than card hole aperture.
As a still further scheme of the invention: locking mechanism includes the reset spring of fixed mounting in the movable groove inside, the one end fixed mounting that reset spring kept away from the movable groove has the baffle that is located spacing inserted bar inside, the outside fixedly connected with of baffle is located the inside spacing inserted block of spacing sleeve.
As a still further scheme of the invention: the outer sleeve and the inner guard plate are integrated, and a plurality of thread grooves are formed in the inner side of the outer sleeve at equal intervals.
As a still further scheme of the invention: the limiting rod comprises a round rod and a circular plate, one end of the round rod is fixedly connected with the right side of the limiting insertion rod, and one end, far away from the limiting insertion rod, of the round rod is fixedly connected with the circular plate.
As a still further scheme of the invention: the connector is cyclic annular, and spacing opening has all been seted up to the left top of connector and bottom.
As a still further scheme of the invention: there is the clearance between spacing stand and the inner casing, and spacing stand and spacing spring cup joint.
(III) advantageous effects
Compared with the prior art, the invention provides a real-time monitoring device for electrical equipment partial discharge detection equipment, which has the following beneficial effects:
1. this real-time supervision device that electrical equipment partial discharge check out test set used, through adopting buckle formula design, make things convenient for the backup pad can be quick install on the electrical equipment shell, only need press spacing inserted block and outwards twitch the backup pad and can accomplish fast and dismantle simultaneously when dismantling, make things convenient for the debugging of equipment, this application adopts two mounting means moreover, not only can guarantee the installation effectiveness, can guarantee first current sensor and second current sensor's stability simultaneously moreover.
2. This real-time supervision device that electrical equipment partial discharge check out test set used, through setting up first current sensor in the outside of electrical equipment shell, make first current sensor monitor the partial discharge condition on electrical equipment shell surface, and second current sensor sets up the inside at the electrical equipment shell, second current sensor monitors the inside partial discharge condition that carries out of electrical equipment shell, and can utilize the first current sensor of audio-visual demonstration of display screen and the electric apparatus partial discharge monitoring numerical value that second current sensor sensed, can monitor electrical equipment's inside and outside simultaneously, improve the monitoring efficiency of electric partial discharge data.
Drawings
Fig. 1 is a front view of a real-time monitoring device for an electrical equipment partial discharge detection apparatus according to the present invention;
fig. 2 is a side view of a structural support plate of a real-time monitoring device for an electrical equipment partial discharge detection device according to the present invention.
In the figure: the device comprises an electrical equipment shell 1, a mounting plate 2, a mounting screw 3, a limiting sleeve 4, a limiting insertion rod 5, a return spring 6, a baffle 7, a limiting insertion block 8, a supporting plate 9, a control unit 10, an alarm 11, a first current sensor 12, an outer sleeve 13, an inner protective plate 14, a second current sensor 15, a display screen 16, a connector 17, a limiting rod 18, a limiting spring 19 and a limiting upright post 20.
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. 1-2, a real-time monitoring device for an electrical equipment local discharge detection device comprises an electrical equipment housing 1, a mounting plate 2 is fixedly connected to the right side of the electrical equipment housing 1, mounting screws 3 are threadedly connected to the right side of the mounting plate 2, the number of the mounting screws 3 is four, one end of each of the four mounting screws 3 penetrates through the mounting plate 2 and extends into the electrical equipment housing 1, a limiting sleeve 4 is fixedly connected to the middle of the right side of the mounting plate 2, the limiting sleeve 4 is annular, clamping holes are formed in the top and the bottom of the limiting sleeve 4, the left side wall of an inner cavity of each clamping hole is an inclined surface, a limiting insertion rod 5 is fixedly connected to the inside of the limiting sleeve 4, movable grooves located inside the limiting sleeve 4 are formed in the top and the bottom of the limiting insertion rod 5, the movable grooves correspond to the clamping holes, and the aperture of the movable grooves is larger than the aperture of the clamping holes, the top and the equal fixed mounting in bottom of spacing inserted bar 5 have locking mechanism, locking mechanism includes fixed mounting at the inside reset spring 6 of movable groove, reset spring 6 keeps away from the one end fixed mounting of movable groove has the baffle 7 that is located spacing inserted bar 5 inside, the outside fixedly connected with of baffle 7 is located the inside spacing inserted block 8 of spacing sleeve 4, the outside fixedly connected with of the 5 left end of spacing inserted bar is located the left backup pad 9 of electrical equipment shell 1, the left top fixed mounting of backup pad 9 has the control unit 10, the left side fixed mounting of control unit 10 has display screen 16, the left bottom fixed mounting of backup pad 9 has siren 11, the top fixed mounting on backup pad 9 right side has first current sensor 12.
The working principle of the invention is as follows: the mounting plate 2 is fixed on the right side of the electrical equipment shell 1 by using a mounting screw 3, one end of the limiting insertion rod 5, which is far away from the supporting plate 9, penetrates through the electrical equipment shell 1, the mounting plate 2 and the limiting sleeve 4 and extends to the right side of the limiting sleeve 4, the limiting insertion block 8 can move towards a movable groove formed on the outer side of the limiting insertion rod 5 in the moving process of the limiting insertion rod 5, the reset spring 6 is extruded under force, when the limiting insertion block 8 moves to a clamping hole formed in the limiting sleeve 4, the reset spring 6 pushes the limiting insertion block 8 outwards, the limiting insertion block 8 enters the clamping hole formed in the limiting sleeve 4 so as to fix the limiting insertion rod 5, the operation control unit 10 controls the first current sensor 12, the first current sensor 12 monitors the partial discharge condition outside the electrical equipment shell 1, and the display screen 16 displays the monitoring data sensed by the first current sensor 12, the alarm 11 can give an alarm in time if a partial discharge condition occurs on the surface of the electrical equipment enclosure 1.
Referring to fig. 1 and 2, in the embodiment of the present invention, a limiting rod 18 is fixedly connected to both the top and the bottom of the right side of the limiting inserted rod 5, the limiting rod 18 includes a circular rod and a circular plate, one end of the circular rod is fixedly connected to the right side of the limiting inserted rod 5, one end of the circular rod away from the limiting inserted rod 5 is fixedly connected to the circular plate, a limiting upright 20 is fixedly connected to the middle of the right side of the limiting inserted rod 5, a gap exists between the limiting upright 20 and the inner guard 14, the limiting upright 20 is sleeved with a limiting spring 19, a connector 17 is movably connected to the outside of the limiting rod 18, the connector 17 is annular, a limiting opening is formed at the top and the bottom of the left side of the connector 17, the outer sleeve 13 is connected to the outside of the connector 17 by a screw thread, the outer sleeve 13 and the inner guard 14 are integrated, a plurality of thread grooves are formed at the inner side of the outer sleeve 13, the inner guard 14 is fixedly connected to the right side of the outer sleeve 13, the inner guard plate 14 and the opposite side of the limiting inserted rod 5 are fixedly connected with two ends of a limiting spring 19 respectively, and a second current sensor 15 is fixedly mounted on the right side of the inner guard plate 14.
The working principle of the invention is as follows: utilize the outside threaded connection of outer tube 13 and connector 17 to install second current sensor 15 in power equipment's inside, inner casing 14 adjusts according to the position of electrical apparatus, make connector 17 remove in the outside of gag lever post 18, spacing spring 19 exerts pressure to inner casing 14 simultaneously, second current sensor 15 can be attached on the electrical apparatus in electrical equipment shell 1, make things convenient for inside monitoring facilities and outside monitoring facilities's installation and dismantlement, and can be with both composite erection, operation control unit 10 controls second current sensor 15, second current sensor 15 monitors the inside partial discharge condition of electrical equipment shell 1, display screen 16 shows the monitoring data that second current sensor 15 sensed, if the partial discharge condition takes place, siren 11 can be timely sends out the police dispatch newspaper and reminds.
It should be noted that these drawings are simplified schematic views, and only the basic structure of the present invention is described in a schematic manner, and therefore, only the configuration related to the present invention is shown.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
It is to be noted that 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 (4)

1. The utility model provides a real-time supervision device that electrical equipment partial discharge check out test set used, includes electrical equipment shell (1), its characterized in that: the right side of the electrical equipment shell (1) is fixedly connected with a mounting plate (2), the right side of the mounting plate (2) is in threaded connection with a mounting screw (3), the middle part of the right side of the mounting plate (2) is fixedly connected with a limiting sleeve (4), the inside of the limiting sleeve (4) is fixedly connected with a limiting insertion rod (5), the top and the bottom of the limiting insertion rod (5) are both fixedly provided with a locking mechanism, the outside of the left end of the limiting insertion rod (5) is fixedly connected with a support plate (9) positioned on the left side of the electrical equipment shell (1), the left top of the support plate (9) is fixedly provided with a control unit (10), the left side of the control unit (10) is fixedly provided with a display screen (16), the left bottom of the support plate (9) is fixedly provided with an alarm (11), and the right top of the support plate (9) is fixedly provided with a first current sensor (12), the top and the bottom on the right side of the limiting inserted rod (5) are both fixedly connected with a limiting rod (18), the middle on the right side of the limiting inserted rod (5) is fixedly connected with a limiting upright post (20), the outer part of the limiting rod (18) is movably connected with a connector (17), the outer part of the connector (17) is in threaded connection with an outer sleeve (13), the right side of the outer sleeve (13) is fixedly connected with an inner guard plate (14), one side of the inner guard plate (14) opposite to the limiting inserted rod (5) is respectively and fixedly connected with the two ends of a limiting spring (19), the right side of the inner guard plate (14) is fixedly provided with a second current sensor (15), the limiting sleeve (4) is annular, the top and the bottom of the limiting sleeve (4) are both provided with clamping holes, the left side wall of the inner cavity of each clamping hole is an inclined plane, the top and the bottom of the limiting inserted rod (5) are both provided with movable grooves positioned on the inner side of the limiting sleeve (4), and the activity groove is corresponding to the card hole, the aperture of the activity groove is greater than the aperture of the card hole, the locking mechanism comprises a reset spring (6) fixedly installed inside the activity groove, one end of the reset spring (6) far away from the activity groove is fixedly provided with a baffle (7) positioned inside a limit inserted rod (5), the outer side of the baffle (7) is fixedly connected with a limit inserted block (8) positioned inside a limit sleeve (4), the connector (17) is annular, the left top and the bottom of the connector (17) are both provided with limit openings, a gap exists between the limit upright post (20) and the inner guard plate (14), the limit upright post (20) is sleeved with a limit spring (19), the operation control unit (10) controls the first current sensor (12), and the first current sensor (12) monitors the partial discharge condition outside the electrical equipment shell (1), interior casing (14) adjust according to the position of electrical apparatus, make connector (17) remove in the outside of gag lever post (18), spacing spring (19) exert pressure to interior casing (14) simultaneously, second current sensor (15) can be attached on electrical apparatus in electrical equipment shell (1), make things convenient for inside monitoring facilities and outside monitoring facilities's installation and dismantlement, and can be with both composite erection, operation control unit (10) are controlled second current sensor (15), second current sensor (15) monitor the inside partial discharge condition of electrical equipment shell (1).
2. The real-time monitoring device for electrical equipment partial discharge detection equipment according to claim 1, characterized in that: the number of the mounting screws (3) is four, and one ends of the four mounting screws (3) penetrate through the mounting plate (2) and extend to the inside of the electrical equipment shell (1).
3. The real-time monitoring device for the electrical equipment partial discharge detection device according to claim 1, characterized in that: the outer sleeve (13) and the inner guard plate (14) are integrated, and a plurality of thread grooves are formed in the inner side of the outer sleeve (13) at equal intervals.
4. The real-time monitoring device for the electrical equipment partial discharge detection device according to claim 1, characterized in that: the limiting rod (18) comprises a round rod and a round plate, one end of the round rod is fixedly connected with the right side of the limiting insertion rod (5), and one end, far away from the limiting insertion rod (5), of the round rod is fixedly connected with the round plate.
CN202110445711.XA 2021-04-25 2021-04-25 Real-time monitoring device for electrical equipment partial discharge detection equipment Active CN113281586B (en)

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CN115542049A (en) * 2022-09-29 2022-12-30 南方电网调峰调频发电有限公司西部检修试验分公司 Method and device for monitoring state of auxiliary equipment for mechanized automatic learning

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JP3347004B2 (en) * 1996-12-06 2002-11-20 中部電力株式会社 Partial discharge detection device
CN201765301U (en) * 2010-09-09 2011-03-16 广东电网公司中山供电局 Online monitor apparatus for partial discharge of transformer
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