KR20170039037A - Measuring device - Google Patents

Measuring device Download PDF

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Publication number
KR20170039037A
KR20170039037A KR1020150138161A KR20150138161A KR20170039037A KR 20170039037 A KR20170039037 A KR 20170039037A KR 1020150138161 A KR1020150138161 A KR 1020150138161A KR 20150138161 A KR20150138161 A KR 20150138161A KR 20170039037 A KR20170039037 A KR 20170039037A
Authority
KR
South Korea
Prior art keywords
sensing unit
coupled
rod member
sensing
coupling
Prior art date
Application number
KR1020150138161A
Other languages
Korean (ko)
Inventor
김세윤
윤성곤
이성호
정경철
Original Assignee
한국전력공사
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 한국전력공사 filed Critical 한국전력공사
Priority to KR1020150138161A priority Critical patent/KR20170039037A/en
Publication of KR20170039037A publication Critical patent/KR20170039037A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing 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
    • G01R31/1227—Testing 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416—Connectors, terminals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing 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
    • G01R31/1227—Testing 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
    • G01R31/1254—Testing 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 of gas-insulated power appliances or vacuum gaps

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

A measuring device according to an embodiment of the present invention may include: a sensing unit which is in contact with a measurement object; and a position changing unit which rotates one end coupled with the sensing unit in all directions relative to one plane. The present invention can easily measure data by contact of the measurement object which is difficult to enter adjacent to the measurement object.

Description

Measuring device

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measuring apparatus, and more particularly, to an invention for collecting data in contact with an object to be measured.

Gas Insulated Substations (GIS) are designed to design the insulation gap and the electrode formation based on the theoretical breakdown limit determined by the gas pressure in the insulation design.

However, failure due to internal insulation breakdown due to internal defects (water, decomposition gas, insulator defect, metal particle contamination, etc.) is constantly occurring, and an internal breakdown necessarily results in a large number of power consumption To provide immediate damage.

Also, it is important to measure and prevent internal faults such as partial discharges in advance, because it causes the transformer to be shut down depending on the fault location, so that the fault power and the power failure range are wide and the return time is long.

Especially, in case of 25.8kV GIS among these gas-insulated substations (GIS), it is often necessary to perform measurements on areas where human hands can not reach due to the specificity of the narrow and narrow structure between the structures. However, a dedicated device for such a purpose has not been proposed so far.

Particularly, it is impossible to find equipment for measuring data such as discharge on the surface opposite to the outside, which can not be seen from the outside of the workpiece.

Therefore, it is necessary to study a measuring apparatus for solving the above-mentioned problems.

It is an object of the present invention to provide a measuring device which is capable of easily measuring data by contact even for a measurement object which is difficult to enter adjacent thereto.

The measuring apparatus according to an embodiment of the present invention may include a sensing unit contacting the measurement object and a position changing unit rotating the one end coupled with the sensing unit in all directions relative to one plane.

Further, the position changing unit of the measuring apparatus according to an embodiment of the present invention may further include: a coupling rod member to which the sensing unit is coupled; an intermediate member having a first end hinged to the coupling rod member; And one end portion is secondly hinged to the other end of the intermediate member so as to be rotated in the same direction.

In addition, the position changing unit of the measuring apparatus according to an embodiment of the present invention may provide the first hinge engagement or the second hinge engagement in a screw-engagement structure, thereby maintaining the angle of the hinge engagement.

Further, the position changing unit of the measuring apparatus according to an embodiment of the present invention may include an extending rod member coupled to the other end of the supporting rod member so as to extend the supporting rod member.

In addition, in the measuring apparatus according to an embodiment of the present invention, the coupling rod member includes a coupling rod body having one end coupled to the intermediate member, one end coupled to the sensing unit and the other end coupled to the other end And a ball head rod coupled in a ball head manner.

The sensing unit of the measuring device according to an embodiment of the present invention may include a sensor body contacting one end of the measurement object, and a support coupling part having one end coupled to one end of the ball head rod and the other end coupled to the sensor body .

The supporting rod member of the measuring device according to an embodiment of the present invention includes a supporting rod body having one end coupled to the intermediate member and a data cable provided inside the supporting rod body so as to be electrically connected to the sensing unit can do.

The supporting rod member of the measuring apparatus according to an embodiment of the present invention is electrically connected to the data cable so as to be connected to a sensing cable extended from the sensing unit and is provided at the other end of the supporting rod body And may include a connection connection terminal.

In addition, the sensing unit of the measurement apparatus according to an embodiment of the present invention may include a sensor body contacting the measurement object, and a sensing contact terminal connected to the sensing cable, the sensing contact terminal being provided in the sensor body.

The measurement apparatus of the present invention can have an advantage that measurement of data by contact is easy even for a measurement object which is difficult to enter adjacent.

In addition, even when the measurement object is not a regular shape, it can be advantageous to increase the reliability of collected data by collecting data such as discharge in close contact with the measurement object.

1 is a front view showing a measuring apparatus of the present invention.
Fig. 2 and Fig. 3 are perspective views showing a coupling portion of the intermediate member in the measuring apparatus of the present invention.
4 is a perspective view showing a ball head rod in the measuring apparatus of the present invention.
Fig. 5 is a front view showing a connecting portion of the elongated rod member in the measuring apparatus of the present invention. Fig.
6 is a front view showing the sensing unit in the measuring apparatus of the present invention.
7A and 7B are operational state diagrams showing the measurement apparatus of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventive concept. Other embodiments falling within the scope of the inventive concept may readily be suggested, but are also considered to be within the scope of the present invention.

The same reference numerals are used to designate the same components in the same reference numerals in the drawings of the embodiments.

A measuring device (1) according to the present invention relates to an invention for collecting data in contact with a measurement object (2), wherein the measurement device (1) Can be easily measured.

Even when the measurement object 2 is not in the form of a regular shape, the reliability of collected data can be increased by closely contacting the measurement object 2 and collecting data such as discharge.

Specifically, referring to the drawings, Fig. 1 is a front view showing a measuring apparatus 1 of the present invention, and Figs. 7a and 7b are operational state diagrams showing a measuring apparatus 1 of the present invention.

7A shows an operating state in the case of measuring data such as discharge with respect to one surface of the measurement object 2 seen from the outside where the operator is located and FIG. Fig. 5 shows an operating state in the case of measuring data such as discharge with respect to the other surface of the measurement object 2 which can not be measured.

1, 7A and 7B, a measuring apparatus 1 according to an embodiment of the present invention includes a sensing unit 100 that is in contact with a measurement object 2, a sensing unit 100 that is coupled to the sensing unit 100, And a position changing unit 200 for rotating and positioning the part in the forward direction with respect to the one plane.

That is, the position changing unit 200 can position the sensing unit 100 in all directions with respect to one plane.

The sensing unit 100 may sense a partial discharge or the like with respect to the measurement object 2.

The sensing unit 100 may be disposed in contact with the measurement object 2 and may include a sensor body 110, a support coupling part 120, a sensing connection terminal 130, a sensing cable 140, And the like. A detailed description thereof will be described later with reference to Fig.

The measurement object 2 for which the sensing unit 100 measures data may be a gas insulated substation (GIS), and may be a 25.8 kV GIS with a narrow space between structures.

The position changing unit 200 may function to change the position of the sensing unit 100 in order to bring the sensing unit 100 into contact with the measurement object 2.

Particularly, when the measurement object 2 is 25.8 kV GIS, if the sensing unit 100 measures partial discharge or the like in a state in which the sensing unit 100 is not in close contact with the measurement site, the attenuation of the measurement signal increases, The position changing unit 200 may be configured such that the position changing unit 200 can closely contact the sensing unit 100 with the measurement object 2, The reliability of the sensing data can be improved.

To this end, the position changing unit 200 may be provided such that one end of the sensing unit 100 to which the sensing unit 100 is coupled is rotatable in all directions with respect to one plane. That is, the position changing unit 200 may have one end so as to be rotated 360 degrees with respect to one plane with a one-degree-of-freedom structure.

The position changing unit 200 may include the connecting rod member 210, the intermediate member 220, the supporting rod member 230, the extending rod member 240, and the like. A detailed description thereof will be described later with reference to Figs. 2 to 5.

Figs. 2 and 3 are perspective views showing a coupling portion of the intermediate member 220 in the measuring apparatus 1 of the present invention.

2 and 3, the position changing unit 200 of the measuring device 1 according to the embodiment of the present invention includes a connecting rod member 210 to which the sensing unit 100 is coupled, An intermediate member 220 which is hinged to the coupling rod 210 by a first hinge and a second hinge member which is hinged to the other end of the intermediate member 220 so as to be rotated in the same direction as the first hinge coupling, 230).

That is, the position changing unit 200 includes a connecting rod member 210, an intermediate member 220, a supporting rod member 230 (not shown) so that one end to which the sensing unit 100 is coupled can be rotated in all directions with respect to one plane As shown in FIG.

In other words, the coupling rod member 210 to which the sensing unit 100 is coupled is hinged to the support rod member 230 so as to rotate in the same direction, 210 at a position rotated in all directions with respect to one plane.

The coupling rod member 210 serves to couple the sensing unit 100 and may be connected to the supporting rod member 230 via the intermediate member 220.

For this purpose, the coupling rod member 210 may include a coupling rod body 211, a ball head rod 212 and the like, which will be described later in detail with reference to FIG.

The intermediate member 220 functions as a medium for connecting the coupling rod member 210 and the supporting rod member 230. Particularly, since the intermediate member 220 is provided, the coupling rod member 210 and the supporting rod member 230 can be coupled in a three-bar link structure, So as to be rotated 360 degrees.

One end of the intermediate member 220 forms a first hinge connection hinge-coupled to the coupling rod 210 and the other end of the intermediate member 220 is coupled to the hinge- Thereby forming a second hinge joint.

Hinge holes may be formed at both ends of the intermediate member 220 for hinge coupling in which the intermediate member 220 is engaged with the coupling rod member 210 or the supporting rod member 230.

The intermediate member 220 is threaded and screwed into the hinge hole to reinforce the strength of the hinge connection with the coupling rod member 210 or the supporting rod member 230, Or the coupling angle with the supporting rod member 230 may be maintained.

In other words, the position changing unit 200 of the measuring device 1 according to an embodiment of the present invention provides the first hinge coupling or the second hinge coupling in a screw-coupling structure to maintain the angle of the hinge coupling .

In addition, the intermediate member 220 may be formed with a stopper protruding and formed at an intermediate portion thereof so as to limit the rotational angle of the hinge-coupled coupling rod member 210 or the supporting rod member 230 to 180 degrees.

That is, the coupling rod member 210 coupled to one end of the intermediate member 220 is provided to be rotated in the half direction of one plane, and the supporting rod member 210 coupled to the other end of the intermediate member 220 230 may be provided to be rotated in the direction of the other half of one plane.

The supporting rod member 230 supports the connecting rod member 210 to be held by the operator so as to maintain the position of the sensing unit 100 coupled to the connecting rod member 210 .

One end of the support bar member 230 forms a second hinge connection hinged to the intermediate member 220. The support bar member 230 includes a support rod body 231, a data cable 232, A connection connection terminal 233, and the like.

In other words, the supporting rod member 230 of the measuring device 1 according to the embodiment of the present invention includes a supporting rod body 231 having one end coupled with the intermediate member 220, And a data cable 232 provided in the support rod body 231 so as to be connected to the support rod body 231.

The support rod body 231 is a body portion of the support rod member 230 having one end coupled to the intermediate member 220 and the other end adapted to be coupled to an extension rod member 240 described later.

Particularly, since the data cable 232 is provided inside the support rod body 231, it is possible to prevent a problem that the data cable 232 is twisted during measurement of data on the measurement object 2.

That is, the data cable 232 is electrically connected to the sensing unit 100 and transmits data measured by an external data collecting unit. When the sensing unit 100 senses the measurement object 2, The data cable 232 may be twisted to the support rod body 231 when the position of the data cable 232 is changed by rotation or the like so as to be closely attached to the support rod body 231. Therefore, It is.

Here, the support rod member 230 may be formed of a lightweight material to reduce the load of the operator. For example, it may be formed of a carbon material.

The connecting rod member 210 and the extending rod member 240 to be described later may also be formed of a lightweight material such as a carbon material.

The supporting rod member 230 is provided with a connecting connection terminal 233 protruded to the outside of the supporting rod body 231 so that the data cable 232 is electrically connected to the sensing unit 100 do.

In other words, the supporting rod member 230 of the measuring device 1 according to the embodiment of the present invention is connected to the sensing cable 140 extended from the sensing unit 100, And a connection connection terminal 233 provided at the other end of the support rod body 231.

Here, the connection connection terminal 233 may be provided as a BNC type connector or the like, which is a coupling type of coupling with the sensing cable 140.

4 is a perspective view showing the ball head rod 212 in the measuring device 1 of the present invention. Referring to FIG. 4, the connecting rod member 210 of the measuring device 1 according to an embodiment of the present invention One end of which is coupled to the sensing unit 100 and the other end of which is coupled to the other end of the coupling rod body 211 in a ball head manner, The ball head rod 212 may be a ball head.

In other words, the coupling rod member 210 functions to couple the sensing unit 100, and the connection rod body 230 can be connected to the support rod member 230 via the intermediate member 220 211, and a ball head rod 212, as shown in FIG.

The coupling rod body 211 is a body portion of the coupling rod member 210 having one end coupled to the intermediate member 220 and the other end coupled to the ball head rod 212.

A hinge hole may be formed at one end of the coupling rod body 211 for hinge coupling with the intermediate member 220.

In order to reinforce the strength of the hinge connection with the intermediate member 220, the coupling rod body 211 may be provided with a screw thread in the hinge hole.

The ball head rod 212 may be coupled to the coupling rod body 211 with a ball head so as to position the sensing unit 100 in all directions.

That is, one end of the ball head rod 212 is threaded inward to fix the support coupling part 120 of the sensing unit 100 by screwing, and the other end of the ball head rod 212 is engaged with the engagement rod body 211 And the ball joint can be coupled to the head coupling tab and the ball head.

5 is a front view showing an engaging portion of the elongated rod member 240 in the measuring device 1 of the present invention. Referring to FIG. 5, the position changing unit of the measuring device 1 according to an embodiment of the present invention 200 may include an extension bar member 240 coupled to the other end of the support bar member 230 to extend the support bar member 230.

As such, the elongated rod member 240 serves as an auxiliary for extending the length of the support rod member 230.

In other words, the extension rod member 240 may further include the extension rod member 240 to approach the sensing unit 100 to the position of the measurement object 2 having a limited entry distance only by the length of the support rod member 230.

To this end, the support rod member 230 may be coupled to the other end of the elongate rod member 240, such as an N-type connector coupled by rotation. In other words, it can be coupled with the support rod member 230 by a connector in order to be electrically connected to the data cable 232 provided in the support rod member 230.

A plurality of the extension bar members 240 may be provided. At this time, the support bar members 230 are connected to each other in series so as to complement the length of the support bar member 230.

6 is a front view showing the sensing unit 100 in the measuring device 1 of the present invention. Referring to FIG. 6, the sensing unit 100 of the measuring device 1 according to an embodiment of the present invention includes: A sensor body 110 contacting the object 2 and one end coupled to one end of the ball head rod 212 and the other end coupled to the sensor body 110 .

The sensing unit 100 of the measuring device 1 according to an embodiment of the present invention is connected to the sensing cable 140 and includes a sensing connection terminal 130 provided in the sensor body 110 .

That is, the sensing unit 100 includes a support coupling part 120, a sensing connection terminal 130, a sensing cable 140, and the like so as to perform a function of sensing a partial discharge or the like with respect to the measurement object 2 .

The sensor body 110 directly contacts the measurement object 2 to collect data.

For example, when the measurement object 2 is a GIS, the sensor body 110 may be provided as a UHF (Ultra-High Frequency) sensor. That is, the partial discharge diagnosis using the UHF sensor can be performed, and the electromagnetic wave generated due to the partial discharge inside the GIS can be detected at the epoxy exposed portion of the GIS.

The supporting part 120 functions to fix the sensor body 110 to the coupling rod member 210. For this purpose, the support coupling part 120 can be screwed to the ball head rod 212 of the coupling rod member 210.

That is, the support coupling part 120 can be screwed and fixed to a thread formed inside the ball head rod 212.

The sensing connection terminal 130 may be provided on the sensor body 110 to be electrically connected to the data cable 232 to transmit data measured by the sensor body 110 to external data collecting means .

That is, the sensing connection terminal 130 is provided on the sensor body 110 so as to be connected to the sensing cable 140. The sensing cable 140 is coupled to the connection connection terminal 233, The sensor body 233 is connected to a data cable 232 electrically connected to an external data collecting means and transmits data sensed by the sensor body 110.

1: Measuring device 2: Measuring object
100: sensing unit 110: sensor body
120: Supporting coupling part 130: Sensing connection terminal
140: sensing cable 200: position changing unit
210: coupling rod member 211: coupling rod body
212: ball head rod 220: intermediate member
230: a support rod member 231: a support rod body
232: Data cable 233: Connection connection terminal
240:

Claims (9)

A sensing unit contacting the measurement object; And
A position changing unit for rotating and positioning the one end coupled with the sensing unit in all directions with respect to one plane;
. The method according to claim 1,
Wherein the position changing unit comprises:
A coupling rod member to which the sensing unit is coupled;
An intermediate member whose one end is first hinged to the coupling rod member; And
A supporting rod member whose one end is second hinged to the other end of the intermediate member so as to be rotated in the same direction as the first hinge coupling;
. 3. The method of claim 2,
Wherein the position changing unit provides the first hinge engagement or the second hinge engagement in a threaded engagement structure to maintain the angle of the hinge engagement. 3. The method of claim 2,
Wherein the position changing unit comprises:
An extension rod member coupled to the other end of the support rod member so as to extend the support rod member;
. 3. The method of claim 2,
The connecting rod member
A coupling rod body having one end coupled with the intermediate member; And
A ball head rod having one end coupled to the sensing unit and the other end coupled to the other end of the coupling rod body in a ball head manner;
. 6. The method of claim 5,
The sensing unit includes:
A sensor body contacting the measurement object; And
One end being coupled to one end of the ball head rod and the other end being coupled to the sensor body;
. 3. The method of claim 2,
Wherein the support-
A support rod body having one end coupled with the intermediate member; And
A data cable provided inside the support rod body to be electrically connected to the sensing unit;
. 8. The method of claim 7,
Wherein the support-
A connection connection terminal electrically connected to the data cable so as to be connected to a sensing cable extended from the sensing unit and provided at the other end of the support rod body;
. 9. The method of claim 8,
The sensing unit includes:
A sensor body contacting the measurement object; And
A sensing connection terminal connected to the sensing cable and provided in the sensor body;
.
KR1020150138161A 2015-09-30 2015-09-30 Measuring device KR20170039037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150138161A KR20170039037A (en) 2015-09-30 2015-09-30 Measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150138161A KR20170039037A (en) 2015-09-30 2015-09-30 Measuring device

Publications (1)

Publication Number Publication Date
KR20170039037A true KR20170039037A (en) 2017-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150138161A KR20170039037A (en) 2015-09-30 2015-09-30 Measuring device

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200487548Y1 (en) * 2017-11-23 2018-11-30 김재옥 Multi-functional listening and gas leak detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200487548Y1 (en) * 2017-11-23 2018-11-30 김재옥 Multi-functional listening and gas leak detector

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