CN215263714U

CN215263714U - Insulation measuring connector for high and medium voltage class power distribution cabinet

Info

Publication number: CN215263714U
Application number: CN202120501114.XU
Authority: CN
Inventors: 马亮; 王超训; 李涛; 王峰; 侯路升; 樊志军
Original assignee: Tianjin Sdic Jinneng Electric Power Co ltd
Current assignee: Tianjin Sdic Jinneng Electric Power Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-12-21
Anticipated expiration: 2031-03-09

Abstract

The utility model relates to a power plant electric power system technical field especially relates to high, medium voltage class switch board insulation measurement connector, but including insulating connector and electroscope telescopic link, its characterized in that: the upper end of insulating connector is provided with even connector plane contact, mutual fixed connection between connector plane contact and the insulating connector, but electroscope telescopic link sets up the lower extreme at insulating connector, mutual joint between the lower extreme of insulating connector and the electroscope telescopic link, one side of insulating connector is provided with the sawtooth and connects the fastener, mutual fixed connection between fastener and the insulating connector is connected to the sawtooth, is connected with in one side that the fastener was connected to the sawtooth and shakes the table and press from both sides. The utility model discloses a density electric conductivity of selecting metal copper is superior to metal iron, and the connector of designing is arranged or exposed nut area of contact great with generating lines such as equipment under test cable, is superior to the area of contact of conventional wabbler table clip when surveying insulating, and the measured data reading is more accurate.

Description

Insulation measuring connector for high and medium voltage class power distribution cabinet

Technical Field

The utility model relates to a power plant electric power system technical field especially relates to a high, medium voltage class switch board insulation measurement connector.

Background

Currently, in an electric power system, the measurement of equipment insulation is an important operation in two-ticket three-schedule work. The conventional operation process is that at the lower cabinet door of switch board, at first with the electroscope of corresponding voltage class to the electrical inspection of equipment under test, later alone operation megger, another people takes insulating gloves, holds the megger clamp through insulating gloves, presss from both sides the exposed female wire of equipment under test or exposed nut, carries out insulation measurement to three-phase alternating current wire for six times, records six times megaohm numerical value, and the numerical value accords with the standard, and equipment insulation is qualified. A plurality of problems are found in the operation process, the shaking table clamp is required to be held by the insulating gloves continuously, the tested equipment is clamped for six times repeatedly, the insulating gloves with high and medium electric levels are thick and heavy, the small shaking table clamp is difficult to operate, and the operation is complicated and inconvenient.

At present, the measured bare cable or busbar of the existing high and medium voltage distribution equipment is arranged on the lower cabinet door of the plate cabinet, the space of the lower cabinet door is narrow and limited, and the operation of personnel is inconvenient.

In addition, if the equipment is suddenly electrified or the conducting wire just tested has residual charge emitted by part of the megger, if the insulation glove is damaged and unqualified, the phenomenon of electric shock of an operator caused by the residual charge is easy to occur, and potential safety hazards in production are brought.

There is therefore a need for a high and medium voltage class cabinet insulation measuring connector that can solve the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model aims at providing a high, medium voltage class switch board insulation measurement connector, the utility model discloses an at switch body root ann position switch position signal dress sensor, form the linkage with the switch position, improved the judgement accuracy, got rid of and thought the hidden danger that subjective factor judges the error.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: high, medium voltage class switch board insulation measurement connector, but including insulating connector and electroscope telescopic link, its characterized in that: the upper end of insulating connector is provided with even connector plane contact, connector plane contact with mutual fixed connection between the insulating connector, but electroscope telescopic link sets up the lower extreme of insulating connector, the lower extreme of insulating connector with but mutual joint between the electroscope telescopic link.

Furthermore, one side of the insulating connector is provided with a sawtooth connecting clamp, the sawtooth connecting clamp is fixedly connected with the insulating connector, one side of the sawtooth connecting clamp is connected with a meter shaking clamp, and the meter shaking clamp is a sawtooth metal clamp.

Furthermore, the shape of the sawtooth connecting clamping piece is sawtooth-shaped, and the sawtooth connecting clamping piece is meshed with the meter shaking clamp in a matching mode.

Further, the meter shaking clamp is connected with the meter shaking through a meter shaking lead.

Further, the lower extreme of electroscope telescopic link is provided with electroscope insulated handle, this electroscope insulated handle with mutual fixed connection between the electroscope telescopic link.

Furthermore, the connector plane contact and the telescopic connecting clamping piece are made of copper.

Further, an electroscope audible and visual alarm is installed on the electroscope telescopic rod.

Further, the lower extreme of insulating connector is provided with the scalable connection fastener, insulating connector through the scalable connection fastener with but mutual joint between the electroscope telescopic link.

The utility model has the advantages that: the utility model provides a high, medium voltage class switch board insulation measurement connector, including insulating connector and electroscope telescopic link, insulating connector's upper end is provided with even connector plane contact, mutual fixed connection between connector plane contact and the insulating connector, one side of insulating connector is provided with sawtooth connection fastener, mutual fixed connection between sawtooth connection fastener and the insulating connector, electroscope telescopic link setting is at insulating connector's lower extreme, mutual joint between insulating connector's lower extreme and the electroscope telescopic link, the utility model provides a sawtooth connection fastener designs into the cockscomb structure, can interlock with the megger sawtooth clamp and match, can not drop the megger clamp in the measurement process; the connector plane contact in the utility model is designed to be a plane contact which has large contact area with the measured object, the reading is more accurate, and the material of the plane contact is copper, the density conductivity of the copper is better than the iron conductivity of the shaking meter clamp, and the insulation reading is more accurate; the telescopic connecting fastener in the utility model is made of soft copper sheet material, is embedded in the connector and is used for adapting to the reliable connection of different electroscope contact heads;

the utility model discloses a density conductivity of selecting metal copper is superior to metal iron, and the connector of design is great with generating line row such as equipment under test cable or exposed nut area of contact, is superior to the area of contact of conventional survey with the megger clip when insulating, and measured data reading is more accurate, the utility model provides a megger clip is cockscomb structure metal clip, carries out machining to the blank of selection, effectively solves the megger and presss from both sides the problem of droing in the measurement process, and the junction to test electrical apparatus plug and connector part is reequiped on the spot repeatedly, has effectively solved connector rotation problem, makes into at last not only simply, be convenient for again the operation, more safe and reliable connector part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the utility model engaged with a shaking table clamp;

FIG. 3 is a schematic view of the assembly structure of the present invention;

wherein:

1. the sawtooth is connected with the clamping piece; 2. A connector planar contact; 3. The connecting clamping piece can be extended and contracted;

4. shaking the meter to clamp; 5. Conducting wires of a megger; 6. An insulating connector;

7. shaking the meter; 8. The electroscope can be telescopic; 9. An electroscope insulated handle;

10. an audible and visual alarm for electroscope.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

FIG. 1 is a schematic structural view of the present invention, FIG. 2 is a schematic structural view of the present invention engaged with a shaking table clamp 4, fig. 3 is a schematic view of the assembly structure of the present invention, and the insulation measuring connector of the high and medium voltage class distribution cabinet shown in fig. 1, fig. 2 and fig. 3 comprises an insulation connector 6 and an electroscope telescopic rod 8, the upper end of the insulating connector 6 is provided with a connector plane contact, the connector plane contact 2 and the insulating connector 6 are fixedly connected with each other, but electroscope telescopic link 8 sets up insulating connector 6's lower extreme, insulating connector 6's lower extreme with mutual joint between electroscope telescopic link 8, the utility model provides a scalable connection fastener 3 is soft copper sheet material, inlays inside the connector, is used for adapting to the connection of different kinds of electroscope contact head reliably.

Example 2:

fig. 1 is the utility model discloses an architectural diagram, fig. 2 is the utility model discloses press from both sides the structural diagram of 4 looks interlocks with the megger, fig. 3 is the utility model discloses an assembly structure schematic diagram, like fig. 1, fig. 2 and the insulating measurement connector of fig. 3 a high, medium voltage class switch board that is shown, one side of insulating connector 6 is provided with the sawtooth and connects fastener 1, the sawtooth connect fastener 1 with mutual fixed connection between the insulating connector 6 is connected with the megger and presss from both sides 4 in one side that fastener 1 is connected to the sawtooth, and the megger presss from both sides 4 and presss from both sides for the cockscomb structure metal, the shape that fastener 1 is connected to the sawtooth is the cockscomb structure.

Example 3:

FIG. 1 is a schematic structural view of the present invention, FIG. 2 is a schematic structural view of the present invention engaged with a shaking table clamp 4, fig. 3 is a schematic view of the assembly structure of the present invention, such as the insulation measuring connector of the high and medium voltage class distribution cabinet shown in fig. 1, fig. 2 and fig. 3, the sawtooth connecting clamping piece 1 is mutually meshed and matched with the meter shaking clamp 4, the meter shaking clamp 4 is mutually connected with the meter shaking 7 through a meter shaking lead 5, the connector plane contact 2 in the utility model is designed to be a plane contact which has large contact area with a measured object, the reading is more accurate, and its material adopts copper, and the density electric conductivity of copper is better than shaking table iron electric conductivity that presss from both sides 4, and insulating reading is more accurate, the utility model provides a fastener 1 is connected to the sawtooth designs into the cockscomb structure, can press from both sides the looks interlock with 7 sawtooth of shaking table and match, can not drop in the measurement process and shake table and press from both sides 4.

Example 4:

fig. 1 is the utility model discloses a structural schematic diagram, fig. 2 is the utility model discloses with the structural schematic diagram of table swing clamp 4 looks interlock, fig. 3 is the utility model discloses an assembly structure schematic diagram, like fig. 1, fig. 2 and the shown high, medium voltage class switch board insulation measurement connector of fig. 3, the lower extreme of electroscope telescopic link 8 is provided with electroscope insulated handle 9, this electroscope insulated handle 9 with reciprocal fixed connection between the electroscope telescopic link 8, connector plane contact 2 all adopts copper with the material of scalable connection fastener 3, and the density conductivity of copper is better than the iron conductivity of table swing clamp 4, and the insulation reading is more accurate, install electroscope audible-visual annunciator on the electroscope telescopic link, can realize the function of reporting to the police.

The working mode is as follows: the utility model discloses when using, it is connected fastener 1 with insulating connector 6's sawtooth to press from both sides 4 with the megger and is connected the interlock and fix well, then insert insulating connector 6's scalable connection fastener 3 and electroscope contact, later manual test electrical apparatus audible-visual annunciator is normally reported to the police, but with the rotatory biggest and rotatory locking that extends of electroscope telescopic link 8, an operator is through taking insulating gloves, electroscope insulated handle 9 is held to both hands, connect the back through the electroscope, contact 6 plane contacts 2 of insulating connector and measurand equipment, another operator passes through the manual rotational speed 120 commentaries on classics/minutes of megger 7, measuring equipment insulation resistance, in the insulation measurement of six times, transform electroscope handle, easily accomplish the measurement process, the reading is more accurate.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. High, medium voltage class switch board insulation measurement connector, including insulating connector (6) and electroscope telescopic link (8), its characterized in that: the upper end of insulating connector (6) is provided with connector plane contact (2), connector plane contact (2) with mutual fixed connection between insulating connector (6), electroscope telescopic link (8) set up the lower extreme of insulating connector (6), the lower extreme of insulating connector (6) with mutual joint between electroscope telescopic link (8).

2. The high and medium voltage class distribution cabinet insulation measurement connector of claim 1, characterized in that: one side of the insulating connector (6) is provided with a sawtooth connecting clamp (1), the sawtooth connecting clamp (1) is fixedly connected with the insulating connector (6), one side of the sawtooth connecting clamp (1) is connected with a meter shaking clamp (4), and the meter shaking clamp (4) is a sawtooth metal clamp.

3. The high and medium voltage class distribution cabinet insulation measurement connector of claim 2, characterized in that: the sawtooth connecting clamp (1) is in a sawtooth shape, and the sawtooth connecting clamp (1) is meshed with the meter shaking clamp (4) in a matching mode.

4. The high and medium voltage class power distribution cabinet insulation measurement connector of claim 3, characterized in that: the meter shaking clamp (4) is connected with the meter shaking device (7) through a meter shaking lead (5).

5. The high and medium voltage class distribution cabinet insulation measurement connector of claim 1, characterized in that: the lower extreme of electroscope telescopic link (8) is provided with electroscope insulating handle (9), this electroscope insulating handle (9) with but fixed connection each other between electroscope telescopic link (8).

6. The high and medium voltage class distribution cabinet insulation measurement connector of claim 1, characterized in that: the connector plane contact (2) and the telescopic connecting clamping piece (3) are made of copper.

7. The high and medium voltage class distribution cabinet insulation measurement connector of claim 1, characterized in that: an electroscope audible and visual alarm (10) is arranged on the telescopic rod of the electroscope.

8. The high and medium voltage class distribution cabinet insulation measurement connector of claim 1, characterized in that: the lower extreme of insulating connector (6) is provided with scalable connection fastener (3), insulating connector (6) through scalable connection fastener (3) with but mutual joint between electroscope telescopic link (8).