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

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

A real-time monitoring device for partial discharge detection equipment of electrical equipment

technical field

The invention relates to the technical field of partial discharge of electrical equipment, in particular to a real-time monitoring device for partial discharge detection equipment of electrical equipment.

Background technique

Electrical equipment is a general term for generators, transformers, power lines, circuit breakers and other equipment in the power system.

The important role that electricity plays in our life and production cannot be ignored. It brings us great convenience and becomes an important energy source in our production and life. The most critical factor in the power plant to enable the normal operation and transmission of electricity is However, the current detection equipment can only monitor the inside or outside of the power equipment, and the monitoring data is prone to omission. Therefore, a real-time monitoring device for partial discharge detection equipment for electrical equipment is proposed to solve the above problems.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides a real-time monitoring device for partial discharge detection equipment of electrical equipment, which has the advantage of simultaneously monitoring partial discharge inside and outside the electrical equipment, and solves the problem that the current testing equipment can only monitor the internal and external electrical equipment. Or a single monitoring is performed externally, and the monitoring data is prone to omission.

(2) Technical solutions

In order to realize the above-mentioned purpose of performing partial discharge monitoring inside and outside the power equipment at the same time, the present invention provides the following technical solutions:

A real-time monitoring device for partial discharge detection equipment of electrical equipment, comprising an electrical equipment casing, a mounting plate is fixedly connected to the right side of the electrical equipment casing, a mounting screw is threadedly connected to the right side of the mounting plate, and the mounting plate The middle part of the right side is fixedly connected with a limit sleeve, and the inside of the limit sleeve is fixedly connected with a limit insertion rod. The top and bottom of the limit insertion rod are fixedly installed with locking mechanisms, and the limit insertion rod is fixedly installed. A support plate on the left side of the electrical equipment shell is fixedly connected to the outside of the left end, a control unit is fixedly installed on the top of the left side of the support plate, a display screen is fixedly installed on the left side of the control unit, and a display screen is fixedly installed on the left side of the support plate. An alarm is fixedly installed at the bottom, a first current sensor is fixedly installed on the top of the right side of the support plate, the top and bottom of the right side of the limit rod are fixedly connected to the limit rod, and the right side of the limit rod is fixedly connected. The middle part of the limiter is fixedly connected to a limit post, the outside of the limit rod is movably connected with a connecting head, the outside of the connecting head is threadedly connected with an outer sleeve, and the right side of the outer sleeve is fixedly connected with an inner guard plate, and the inner The opposite sides of the guard plate and the limit insertion rod are respectively fixedly connected with both ends of the limit spring, and a second current sensor is fixedly installed on the right side of the inner guard plate.

As a further solution of the present invention, the number of the mounting screws is four, and one end of the four mounting screws penetrates the mounting plate and extends to the inside of the electrical equipment housing.

As a further solution of the present invention, the limiting sleeve is annular, and the top and bottom of the limiting sleeve are provided with clamping holes, and the left side wall of the inner cavity of the clamping hole is an inclined surface.

As a further solution of the present invention, the top and bottom of the limit insertion rod are provided with movable grooves located inside the limit sleeve, and the movable grooves correspond to the clamping holes, and the aperture of the movable grooves is larger than that of the clamping holes.

As a further solution of the present invention: the locking mechanism includes a return spring fixedly installed inside the movable groove, and one end of the return spring away from the movable groove is fixedly installed with a baffle located inside the limit insertion rod. The outer side of the device is fixedly connected with a limit insert block located inside the limit sleeve.

As a further solution of the present invention, the outer sleeve and the inner shield are integrated, and the inner side of the outer sleeve is provided with a plurality of threaded grooves at equal distances.

As a further solution of the present invention: the limit rod includes a round rod and a circular plate, one end of the round rod is fixedly connected to the right side of the limit insertion rod, and one end of the round rod away from the limit insertion rod is fixedly connected to the circular plate.

As a further solution of the present invention, the connecting head is annular, and the top and bottom of the left side of the connecting head are provided with limited openings.

As a further solution of the present invention, there is a gap between the limiting column and the inner shield, and the limiting column and the limiting spring are sleeved.

(3) Beneficial effects

Compared with the prior art, the present invention provides a real-time monitoring device for partial discharge detection equipment of electrical equipment, which has the following beneficial effects:

1. The real-time monitoring device for the partial discharge detection equipment of the electrical equipment adopts the snap-on design, so that the support plate can be quickly installed on the shell of the electrical equipment, and at the same time, it is only necessary to press the limit plug and twitch outwards when disassembling. The support plate can be disassembled quickly, which facilitates the debugging of the equipment, and the application adopts a double installation method, which can not only ensure the installation efficiency, but also ensure the stability of the first current sensor and the second current sensor at the same time.

2. The real-time monitoring device for the partial discharge detection equipment of the electrical equipment, by arranging the first current sensor outside the electrical equipment casing, the first current sensor monitors the partial discharge on the surface of the electrical equipment casing, while the second current sensor monitors the partial discharge on the surface of the electrical equipment casing. The sensor is arranged inside the casing of the electrical equipment, the second current sensor monitors the partial discharge inside the casing of the electrical equipment, and can use the display screen to intuitively display the monitoring values of electrical partial discharges sensed by the first current sensor and the second current sensor , it can monitor the inside and outside of electrical equipment at the same time, and improve the monitoring efficiency of electrical partial discharge data.

Description of drawings

1 is a front view of the structure of a real-time monitoring device for partial discharge detection equipment for electrical equipment proposed by the present invention;

2 is a side view of a structural support plate of a real-time monitoring device for partial discharge detection equipment for electrical equipment proposed by the present invention.

In the picture: 1 electrical equipment shell, 2 mounting plate, 3 mounting screws, 4 limit sleeve, 5 limit insert rod, 6 return spring, 7 baffle plate, 8 limit insert block, 9 support plate, 10 control unit, 11 alarm, 12 first current sensor, 13 outer casing, 14 inner shield, 15 second current sensor, 16 display screen, 17 connector, 18 limit rod, 19 limit spring, 20 limit column.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figure 1-2, a real-time monitoring device for electrical equipment partial discharge detection equipment, including electrical equipment housing 1, the right side of the electrical equipment housing 1 is fixedly connected with a mounting plate 2, and the right side of the mounting plate 2 is threadedly connected with a Mounting screws 3, the number of mounting screws 3 is four, and one end of the four mounting screws 3 penetrates the mounting plate 2 and extends to the interior of the electrical equipment housing 1, and the middle part of the right side of the mounting plate 2 is fixedly connected to the limit sleeve 4, The limit sleeve 4 is annular, and the top and bottom of the limit sleeve 4 are provided with clamping holes. The left side wall of the inner cavity of the clamping hole is an inclined surface, and the interior of the limit sleeve 4 is fixedly connected to the limit insertion rod 5 , the top and bottom of the limit plunger 5 are provided with a movable slot located inside the limit sleeve 4, and the movable slot corresponds to the card hole, the aperture of the movable slot is larger than the hole diameter of the card hole, the top of the limit plunger 5 and A locking mechanism is fixedly installed at the bottom, and the locking mechanism includes a return spring 6 that is fixedly installed inside the movable groove. The end of the return spring 6 away from the movable groove is fixedly installed with a baffle plate 7 located inside the limit insertion rod 5. The baffle plate 7 A limit plug 8 located inside the limit sleeve 4 is fixedly connected to the outer side of the limit plug 5, and a support plate 9 located on the left side of the electrical equipment housing 1 is fixedly connected to the outside of the left end of the limit plug rod 5, and the top of the left side of the support plate 9 is fixed A control unit 10 is installed, a display screen 16 is fixedly installed on the left side of the control unit 10 , an alarm 11 is fixedly installed at the bottom of the left side of the support plate 9 , and a first current sensor 12 is fixedly installed at the top of the right side of the support plate 9 .

The working principle of the present invention is as follows: the mounting plate 2 is fixed on the right side of the electrical equipment casing 1 by the mounting screws 3, and the end of the limit insertion rod 5 away from the support plate 9 penetrates through the electrical equipment casing 1, the mounting plate 2 and the limit sleeve 4 and extends to the right side of the limit sleeve 4. During the movement of the limit insert rod 5, the limit insert block 8 will move to the movable slot opened on the outside of the limit insert rod 5, and the return spring 6 is squeezed by force. , when the limit plug 8 moves to the card hole opened inside the limit sleeve 4 , the return spring 6 pushes the limit plug 8 outward, and the limit plug 8 enters the card hole opened in the limit sleeve 4 , thereby fixing the limit plunger 5, the operation control unit 10 controls the first current sensor 12, the first current sensor 12 monitors the partial discharge outside the electrical equipment housing 1, and the display screen 16 displays the first current sensor. According to the sensed monitoring data 12, if partial discharge occurs on the surface of the electrical equipment housing 1, the alarm 11 will issue an alarm in time.

Referring to FIGS. 1 and 2, in the embodiment of the present invention, the top and bottom of the right side of the limit insertion rod 5 are fixedly connected to the limit rod 18. The limit rod 18 includes a round rod and a circular plate. One end of the round rod is The right side of the limit plunger 5 is fixedly connected, the end of the round rod away from the limit plunger 5 is fixedly connected to the circular plate, and the middle part of the right side of the limit plunger 5 is fixedly connected to the limit column 20, the limit column 20 and the inner guard There is a gap between the plates 14, the limit post 20 and the limit spring 19 are sleeved, and the outside of the limit rod 18 is movably connected with a connecting head 17, the connecting head 17 is annular, and the top and bottom of the left side of the connecting head 17 are both. A limited opening is provided, an outer sleeve 13 is threadedly connected to the outside of the connecting head 17, the outer sleeve 13 and the inner shield 14 are integrated, and the inner side of the outer sleeve 13 is equidistantly provided with a plurality of threaded grooves, and the right side of the outer sleeve 13 An inner shield 14 is fixedly connected, and the opposite sides of the inner shield 14 and the limit insertion rod 5 are respectively fixedly connected with both ends of the limit spring 19 , and the right side of the inner shield 14 is fixedly installed with a second current sensor 15 .

The working principle of the present invention is as follows: the second current sensor 15 is installed inside the electric equipment by using the external threaded connection of the outer sleeve 13 and the connecting head 17, and the inner shield 14 is adjusted according to the position of the electric appliance, so that the connecting head 17 is in the limit When the outside of the rod 18 moves, while the limit spring 19 exerts pressure on the inner shield 14, the second current sensor 15 will be attached to the electrical appliance in the electrical equipment housing 1, which is convenient for the installation and disassembly of the internal monitoring equipment and the external monitoring equipment, And the two can be installed in combination, the operation control unit 10 controls the second current sensor 15, the second current sensor 15 monitors the partial discharge inside the electrical equipment housing 1, and the display screen 16 displays that the second current sensor 15 senses If a partial discharge occurs, the alarm 11 will issue an alarm in time to remind.

It should be noted that these drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structure related to the present invention.

In the description of the present invention, it should be understood that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

It should be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also no Other elements expressly listed, or which are also inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by 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.

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