CN212845174U

CN212845174U - Dynamic insulation performance detection device for insulating liquid product

Info

Publication number: CN212845174U
Application number: CN202021572692.4U
Authority: CN
Inventors: 沈斌; 张通
Original assignee: Hangzhou Yunku Intelligent Technology Co ltd
Current assignee: Hangzhou Yunku Intelligent Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-30
Anticipated expiration: 2030-07-31

Abstract

The utility model provides a dynamic insulating properties detection device of insulating liquid article, including the main part liquid tank, main part liquid tank surface lower part position is connected with the drain pipe, the feed liquor end of first liquid pump is connected to the one end that the main part liquid tank was kept away from to the drain pipe, the play liquid end of first liquid pump is through first connecting pipe connection urine cup, the feed liquor end of second liquid pump is connected through the second connecting pipe to urine cup, the play liquid end of second liquid pump is installed and is returned the liquid pipe, the one end that returns the liquid pipe and keep away from the second liquid pump is connected the main part liquid tank and is linked together with the main part liquid tank, the symmetry is equipped with two plate electrodes in the urine cup, and two plate electrodes pass through the wire and connect the positive pole and the negative pole of dynamic pressurization power supply respectively, compare with prior art, the utility model discloses following beneficial effect has: the method realizes the online dynamic detection of the insulation performance of the insulation liquid product, and achieves the purpose of simply and quickly determining the breakdown voltage of the insulation liquid product on the premise of not influencing the main liquid tank.

Description

Dynamic insulation performance detection device for insulating liquid product

Technical Field

The utility model relates to a dynamic insulating properties detection device of insulating liquid article belongs to insulating liquid article insulating properties and detects technical field.

Background

The insulating liquid is gradually deteriorated due to oxygen, high temperature, high humidity, sunlight, strong electric field and impurities, so that it cannot sufficiently exert an insulating effect, and therefore, it is necessary to periodically perform a relevant test on the insulating liquid to determine whether the insulating liquid is deteriorated. The quality of the insulating liquid has a close relationship with the breakdown voltage. At present, insulating liquid need be taken insulating liquid out from the liquid incasement when detecting insulating properties to subsequent detection, but insulating liquid mostly needs equipment stop work at the extraction in-process, and not only work efficiency is low, and the insulating liquid of taking out is difficult to add again in the liquid case moreover, causes the waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a dynamic insulation performance detection device of insulating liquid article to when the mode that adopts extraction insulating liquid to detect insulating performance is proposed in solving above-mentioned background art, mostly all need equipment stop work, not only work efficiency is low, and the insulating liquid of taking out is difficult to add the liquid tank again in addition, causes extravagant problem, the utility model discloses realize the insulating performance of online dynamic detection insulating liquid article, reach the purpose of simple quick survey insulating liquid article breakdown voltage under the prerequisite that does not influence the main part liquid tank.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a dynamic insulating properties detection device of insulating liquid article, includes the main part liquid tank, main part liquid tank surface lower part position is connected with the drain pipe, the feed liquor end of first liquid pump is connected to the one end that the main part liquid tank was kept away from to the drain pipe, the play liquid end of first liquid pump is connected little liquid cup through first connecting pipe, the feed liquor end of second liquid pump is connected through the second connecting pipe to little liquid cup, liquid return pipe is installed to the play liquid end of second liquid pump, liquid return pipe keeps away from the one end of second liquid pump and connects the main part liquid tank and be linked together with the main part liquid tank, the symmetry is equipped with two plate electrodes in the little liquid cup, and two plate electrodes pass through the positive pole and the negative pole that the wire connects dynamic voltage power respectively.

Further, the first connecting pipe, the second connecting pipe and the small liquid cup are all members made of insulating materials.

Further, an L-shaped plate is installed at the upper portion of the outer surface of the small liquid cup, a vertically arranged small electric push rod is installed on the horizontal portion of the L-shaped plate, the piston end of the small electric push rod penetrates through the L-shaped plate and is fixedly connected with an insulating block, a conducting rod capable of extending into the small liquid cup is installed on the lower surface of the insulating block, and the outer surface of one end, close to the insulating block, of the conducting rod is connected with a grounding wire.

Furthermore, a through hole is formed in the horizontal part of the L-shaped plate, and the small electric push rod cylinder body end is fixed in the through hole.

Furthermore, a first blind hole is formed in the intersection of the insulating block and the piston end of the small electric push rod, and the piston end of the small electric push rod is fixed in the first blind hole.

Furthermore, a second blind hole is formed at the intersection of the insulating block and the conducting rod, and one end of the conducting rod is fixed in the second blind hole.

Furthermore, a round hole is formed in the outer surface of one end, close to the insulating block, of the conducting rod, and one end of the grounding wire is fixed in the round hole.

The utility model has the advantages that: 1. an independent small liquid cup is arranged beside a main liquid tank, two electrode plates are arranged in the small liquid cup, an appropriate amount of insulating liquid in the main liquid tank is pumped into the small liquid cup through a first liquid pump, the two electrode plates are dynamically boosted through an external circuit until the liquid is broken down, the voltage when the liquid in the small liquid cup is broken down is recorded, namely the breakdown voltage of the insulating liquid under the working condition, after residual current in the small liquid cup is released, the insulating liquid in the small liquid cup is pumped back into the main liquid tank through a second liquid pump, and after a period of time, the operations are repeated, so that the on-line dynamic detection of the insulating property of the insulating liquid is realized, the breakdown voltage of the insulating liquid is simply and quickly measured on the premise of not influencing the main liquid tank, and the pumped insulating liquid is convenient to recycle.

2. When the residual current in the small liquid cup is released, the small electric push rod is controlled to extend, then the small electric push rod drives the conducting rod to stretch into the small liquid cup, and then the residual current in the small liquid cup is transmitted to the ground through the conducting rod and the ground wire, so that the purpose of quickly releasing the residual current is achieved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a dynamic insulation performance detection device for an insulation liquid product according to the present invention;

FIG. 2 is an enlarged view of the position A of the dynamic insulation performance testing device for the insulation liquid product of the present invention;

FIG. 3 is a cross-sectional view of an insulating block in the device for detecting the dynamic insulation performance of an insulating liquid product according to the present invention;

FIG. 4 is a perspective view of an L-shaped plate of the device for detecting dynamic insulation performance of an insulation liquid product according to the present invention;

in the figure: 1-main body liquid box, 2-liquid outlet pipe, 3-first liquid pump, 4-first connecting pipe, 5-small liquid cup, 6-second connecting pipe, 7-second liquid pump, 8-liquid return pipe, 9-L type plate, 10-small electric push rod, 11-electrode plate, 12-dynamic pressurizing power supply, 13-insulating block, 14-grounding wire, 15-conducting rod, 16-first blind hole, 17-second blind hole and 18-through hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1: referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a dynamic insulating properties detection device of insulating liquid article, includes main part

liquid tank

1, and 1 surface lower part position of main part liquid tank is connected with drain pipe 2, and the feed liquor end of first liquid pump 3 is connected to the one end that main part liquid tank 1 was kept away from to drain pipe 2, and the play liquid end of first liquid pump 3 connects little liquid cup 5 through first connecting pipe 4, behind the circuit of the first liquid pump 3 of switch-on, first liquid pump 3 pumps the insulating liquid in the main part liquid tank 1 to in little liquid cup 5.

The feed liquor end of second liquid pump 7 is connected through second connecting pipe 6 to little liquid cup 5, and liquid return pipe 8 is installed to the play liquid end of second liquid pump 7, and liquid return pipe 8 is kept away from the one end of second liquid pump 7 and is connected with main part liquid tank 1 and be linked together, and after the circuit of second liquid pump 7 was put through, second liquid pump 7 was in with the insulating liquid pump sending to main part liquid tank 1 in little liquid cup 5, was convenient for retrieve the insulating liquid of recycling taking out.

Two electrode plates 11 are symmetrically arranged in the small liquid cup 5, the two electrode plates 11 are respectively connected with the anode and the cathode of a dynamic voltage-adding power supply 12 through leads, an independent small liquid cup 5 is arranged beside the main liquid box 1, the two electrode plates 11 are arranged in the small liquid cup 5, a proper amount of insulating liquid in the main liquid box 1 is pumped into the small liquid cup 5 through a first liquid pump 3, the two electrode plates 11 are dynamically boosted through an external circuit until the liquid is punctured, the voltage when the liquid in the small liquid cup 5 is punctured is recorded, namely the breakdown voltage of the insulating liquid under the working condition, after residual current in the small liquid cup 5 is released, the insulating liquid in the small liquid cup 5 is pumped back into the main liquid box 1 through a second liquid pump 7, after a period of time, the operations are repeated, the online dynamic detection of the insulating property of the insulating liquid is realized, and the breakdown voltage of the insulating liquid is simply measured on the premise of not influencing the main liquid box 1, and simultaneously, the extracted insulating liquid is convenient to recover.

The first connecting pipe 4, the second connecting pipe 6 and the small liquid cup 5 are all members made of insulating materials, and the first connecting pipe 4, the second connecting pipe 6 and the small liquid cup 5 are produced by using the insulating materials, so that the safety is improved.

Example 2: referring to fig. 2-4, an L-shaped plate 9 is installed at an upper portion of an outer surface of the small liquid cup 5, a small electric push rod 10 vertically arranged is installed on a horizontal portion of the L-shaped plate 9, and the L-shaped plate 9 provides a support carrier for the small electric push rod 10.

The piston end of the small electric push rod 10 penetrates through the L-shaped plate 9 and is fixedly connected with the insulating block 13, the lower surface of the insulating block 13 is provided with a conducting rod 15 which can extend into the small liquid cup 5, and the insulating block 13 is arranged between the small electric push rod 10 and the conducting rod 15, so that the safety is improved.

The conducting rod 15 is close to the one end surface of insulating block 13 and is connected with earth connection 14, and when the residual current in release little liquid cup 5, the small-size electric putter 10 of control extension, and then in small-size electric putter 10 drive conducting rod 15 stretched into little liquid cup 5, and then residual current transmits to ground through conducting rod 15 and earth connection 14 in little liquid cup 5, realizes the purpose of quick release residual current.

A through hole 18 is formed in the horizontal portion of the L-shaped plate 9, the cylinder body end of the small electric push rod 10 is fixed in the through hole 18, and the through hole 18 is formed in the L-shaped plate 9 to provide installation space for the small electric push rod 10.

First blind hole 16 has been seted up with the crossing department of small-size electric putter 10 piston end to collets 13, and small-size electric putter 10 piston end is fixed in first blind hole 16, fixes small-size electric putter 10 piston end in first blind hole 16, improves the stability that collets 13 and small-size electric putter 10 are connected.

A second blind hole 17 is formed in the intersection of the insulating block 13 and the conducting rod 15, one end of the conducting rod 15 is fixed in the second blind hole 17, and the reliability of connection between the conducting rod 15 and the insulating block 13 is improved.

A round hole is formed in the outer surface of one end, close to the insulating block 13, of the conducting rod 15, one end of the grounding wire 14 is fixed in the round hole, and a round hole is formed in the conducting rod 15, so that the grounding wire 14 and the conducting rod 15 can be conveniently connected.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a dynamic insulation performance detection device of insulating liquid article, includes main part liquid tank (1), its characterized in that: main part liquid case (1) surface lower part position is connected with drain pipe (2), the feed liquor end of first liquid pump (3) is connected to the one end that main part liquid case (1) was kept away from in drain pipe (2), little liquid cup (5) are connected through first connecting pipe (4) to the play liquid end of first liquid pump (3), the feed liquor end of second liquid pump (7) is connected through second connecting pipe (6) in little liquid cup (5), liquid return pipe (8) are installed to the play liquid end of second liquid pump (7), liquid return pipe (8) are kept away from the one end of second liquid pump (7) and are connected main part liquid case (1) and are linked together with main part liquid case (1), the symmetry is equipped with two electrode pads (11) in little liquid cup (5), and two electrode pads (11) connect the positive pole and the negative pole of dynamic pressure power supply (12) respectively through the wire.

2. The apparatus for detecting the dynamic insulation performance of an insulation liquid product according to claim 1, wherein: the first connecting pipe (4), the second connecting pipe (6) and the small liquid cup (5) are all members made of insulating materials.

3. The apparatus for detecting the dynamic insulation performance of an insulation liquid product according to claim 1, wherein: l template (9) is installed to little liquid cup (5) surface upper portion position, install vertical arrangement's small-size electric putter (10) on the horizontal part of L template (9), small-size electric putter (10) piston end runs through L template (9) and fixed connection insulating block (13), insulating block (13) lower surface mounting has conducting rod (15) that can extend to in little liquid cup (5), the one end surface connection that conducting rod (15) are close to insulating block (13) has earth connection (14).

4. The apparatus for detecting the dynamic insulation performance of an insulation liquid product according to claim 3, wherein: a through hole (18) is formed in the horizontal portion of the L-shaped plate (9), and the cylinder body end of the small electric push rod (10) is fixed in the through hole (18).

5. The apparatus for detecting the dynamic insulation performance of an insulation liquid product according to claim 3, wherein: a first blind hole (16) is formed in the intersection of the insulating block (13) and the piston end of the small electric push rod (10), and the piston end of the small electric push rod (10) is fixed in the first blind hole (16).

6. The apparatus for detecting the dynamic insulation performance of an insulation liquid product according to claim 3, wherein: a second blind hole (17) is formed in the intersection of the insulating block (13) and the conducting rod (15), and one end of the conducting rod (15) is fixed in the second blind hole (17).

7. The apparatus for detecting the dynamic insulation performance of an insulation liquid product according to claim 3, wherein: a round hole is formed in the outer surface of one end, close to the insulating block (13), of the conducting rod (15), and one end of the grounding wire (14) is fixed in the round hole.