CN111077478A - Ruler for analyzing wrong wiring - Google Patents
Ruler for analyzing wrong wiring Download PDFInfo
- Publication number
- CN111077478A CN111077478A CN201911387590.7A CN201911387590A CN111077478A CN 111077478 A CN111077478 A CN 111077478A CN 201911387590 A CN201911387590 A CN 201911387590A CN 111077478 A CN111077478 A CN 111077478A
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- China
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- positioning
- ruler
- positioning groove
- adjacent
- scale
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
A wrong wiring analyzing rule comprising: the ruler comprises a ruler disc, wherein an angle scale ring of 0-360 degrees is drawn on the ruler disc by taking the center of the ruler disc as the center of a circle; the ruler disk is also provided with a plurality of first positioning grooves, a plurality of second positioning grooves and a plurality of positioning holes; one end of the first positioning groove takes the center of the ruler disk as a starting point, the other end of the first positioning groove extends to the angle scale ring, and the adjacent first positioning grooves are spaced by 60 degrees; one end of the second positioning groove takes the center of the ruler disk as a starting point, the other end of the second positioning groove extends to the angle scale ring, and the interval between every two adjacent second positioning grooves is 120 degrees; at least one second positioning groove is positioned on an angle bisector of two adjacent first positioning grooves; the positioning holes are arranged in an annular array by taking the center of the ruler disk as a circle center, the interval between every two adjacent positioning holes is 5-30 degrees, and the interval between the positioning hole adjacent to the first positioning groove or the second positioning groove and the first positioning groove or the second positioning groove is 5-30 degrees.
Description
Technical Field
The invention relates to the technical field of electric power systems, in particular to a ruler for analyzing wrong wiring.
Background
When the electric power company electric energy metering center processes the wiring fault of the electric energy metering device, wrong wiring analysis is often carried out, and when a phasor diagram is drawn during the wrong wiring analysis, angle positioning is required, as shown in fig. 1 and fig. 2.
At present, no special ruler is available in the market for positioning, and workers can only manually draw voltage and current phasors. Thus, the accuracy of the phasor drawing is low, and even accurate judgment cannot be made.
Disclosure of Invention
In order to effectively solve the problems, the invention provides a ruler for analyzing wrong wiring, which can be used for rapidly and accurately drawing a phasor diagram.
The technical scheme of the invention is as follows:
a wrong wiring analyzing rule comprising: the ruler comprises a ruler disc, wherein an angle scale ring of 0-360 degrees is drawn on the ruler disc by taking the center of the ruler disc as the center of a circle;
the ruler disk is also provided with a plurality of first positioning grooves, a plurality of second positioning grooves and a plurality of positioning holes;
one end of the first positioning groove takes the center of the ruler disk as a starting point, the other end of the first positioning groove extends to the angle scale ring, and the adjacent first positioning grooves are spaced by 60 degrees;
one end of the second positioning groove takes the center of the ruler disk as a starting point, the other end of the second positioning groove extends to the angle scale ring, and the interval between every two adjacent second positioning grooves is 120 degrees;
at least one second positioning groove is positioned on an angle bisector of two adjacent first positioning grooves;
the positioning holes are arranged in an annular array by taking the center of the ruler disk as a circle center, the interval between every two adjacent positioning holes is 5-30 degrees, and the interval between the positioning hole adjacent to the first positioning groove or the second positioning groove and the first positioning groove or the second positioning groove is 5-30 degrees.
Furthermore, the interval between the adjacent positioning holes is 10 degrees, and the interval between the positioning hole adjacent to the first positioning groove or the second positioning groove and the first positioning groove or the second positioning groove is 10 degrees.
Furthermore, the length of the first positioning groove is not equal to the length of the second positioning groove.
Further, the ruler disc is in any geometric shape.
Further, the ruler disc is circular in shape.
Furthermore, the angle scale ring is provided with an inner ring scale and an outer ring scale, one of the first positioning grooves corresponds to the starting point of the outer ring scale, the other first positioning groove which is clockwise adjacent corresponds to the starting point of the inner ring scale, and one of the second positioning grooves corresponds to the position of 30 degrees of the outer ring scale or 330 degrees of the inner ring scale.
Furthermore, a right-angle edge is arranged on the outer periphery of the ruler disk, and length scale values are drawn on the right-angle edge.
The invention has the advantages that the voltage and current phasor can be rapidly drawn by adopting the ruler for wrong wiring analysis, the precision of the phasor drawing is high, and the accurate judgment of workers is facilitated.
Drawings
FIG. 1 is an illustration of a phasor diagram of a three-phase four-wire electric energy meter during cross-line analysis;
FIG. 2 is a diagram of phasor diagram of a three-phase three-wire electric energy meter during analysis of a faulty wire connection;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 6 is a schematic diagram of a third structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the embodiments described herein are only for explaining the present invention and are not intended to limit the present invention, and the front and rear parts described in the embodiments are only for clarifying the positional relationship and are not intended to limit the present invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention.
The first embodiment is as follows:
as shown in fig. 3 and 4, a schematic structural diagram of an embodiment of the present invention provides a wrong wiring analysis ruler, including: the ruler comprises a ruler disk 1, wherein an angle scale ring 2 of 0-360 degrees is drawn on the ruler disk 1 by taking the center of the ruler disk 1 as the center of a circle;
the ruler disk 1 is also provided with a plurality of first positioning grooves 3, a plurality of second positioning grooves 4 and a plurality of positioning holes 5;
one end of the first positioning groove 3 takes the center of the ruler disc 1 as a starting point, the other end of the first positioning groove 3 extends to the angle scale ring 2, and the adjacent first positioning grooves 3 are spaced by 60 degrees;
one end of the second positioning groove 4 takes the center of the ruler disk 1 as a starting point, the other end of the second positioning groove 4 extends towards the angle scale ring 2, and the interval between every two adjacent second positioning grooves 4 is 120 degrees;
at least one second positioning groove 4 is positioned on the angle bisector of two adjacent first positioning grooves 3;
the positioning holes 5 are arranged in an annular array by taking the center of the ruler disk 1 as a circle center, and the interval between every two adjacent positioning holes 5 is 5-30 degrees;
and the positioning hole 5 is adjacent to the first positioning groove 3 or the second positioning groove 4, and the interval between the positioning hole 5 and the first positioning groove 3 or the second positioning groove 4 is 5-30 degrees.
The length of the first positioning groove 3 and the length of the second positioning groove 4 may be equal or unequal, and when the lengths are unequal, a user can distinguish the lengths quickly.
The first positioning groove 3 is used for positioning the line voltage direction, the second positioning groove 4 is used for positioning the phase voltage direction, and the positioning hole 5 is used for positioning the phase current direction.
The ruler disk 1 can be in any geometric shape, and preferably, the ruler disk 1 is in a circular shape.
The ruler disk 1 is made of transparent materials such as plastics.
By setting the phase voltage and the line voltage as slot-shaped holes, the voltage phasor can be conveniently drawn. The phase current has more possible directions, so a plurality of positioning holes 5 are arranged, and the field requirement is completely met.
Example two:
as shown in fig. 5, the above embodiment of the present embodiment is substantially the same, except that the angle scale ring 2 has an inner ring scale 21 and an outer ring scale 22, wherein one of the first positioning grooves 3 corresponds to the starting point of the outer ring scale 22, the other first positioning groove 3 adjacent clockwise corresponds to the starting point of the inner ring scale 21, and one of the second positioning grooves 4 corresponds to the position of 30 ° of the outer ring scale 22 or 330 ° of the inner ring scale 21.
When a phasor diagram is drawn during wrong wiring analysis, if the three-phase three-line positive phase sequence is obtained, the three-phase three-line positive phase sequence is measured
After the included angle, current 1 and current 2 are positioned through 0-360 degrees of the outer ring scale 22; if the phase sequence is the reverse phase sequence, the current 1 and the current 2 are positioned through 0-360 degrees of the inner ring scale 21.
Example three:
as shown in fig. 6, the above embodiments of the present embodiment are substantially the same, except that a right-angle side 6 is arranged on the outer periphery of the measuring tape 1, a length scale is drawn on the right-angle side 6, and after the current direction is positioned by the positioning hole 5, the right-angle side 6 can be used for connecting wires.
The invention has the advantages that the voltage and current phasor can be rapidly drawn by adopting the ruler for wrong wiring analysis, the precision of the phasor drawing is high, and the accurate judgment of workers is facilitated.
Claims (7)
1. A wrong wiring analyzing rule, characterized by comprising: the ruler comprises a ruler disc (1), wherein an angle scale ring (2) of 0-360 degrees is drawn on the ruler disc (1) by taking the center of the ruler disc (1) as the center of a circle;
the ruler disk (1) is also provided with a plurality of first positioning grooves (3), a plurality of second positioning grooves (4) and a plurality of positioning holes (5);
one end of each first positioning groove (3) takes the center of the ruler disc (1) as a starting point, the other end of each first positioning groove (3) extends towards the angle scale ring (2), and the adjacent first positioning grooves (3) are spaced by 60 degrees;
one end of each second positioning groove (4) takes the center of the ruler disc (1) as a starting point, the other end of each second positioning groove (4) extends towards the angle scale ring (2), and the adjacent second positioning grooves (4) are spaced by 120 degrees;
at least one second positioning groove (4) is positioned on the angle bisection line of two adjacent first positioning grooves (3);
the positioning holes (5) are arranged in an annular array by taking the center of the ruler disc (1) as a circle center, the adjacent positioning holes (5) are spaced by 5-30 degrees, and the spacing between the positioning hole (5) adjacent to the first positioning groove (3) or the second positioning groove (4) and the first positioning groove (3) or the second positioning groove (4) is 5-30 degrees.
2. The wrong wiring analysis ruler according to claim 1, wherein the positioning holes (5) adjacent to each other are spaced 10 ° apart from each other, and the positioning holes (5) adjacent to the first positioning groove (3) or the second positioning groove (4) are spaced 10 ° apart from the first positioning groove (3) or the second positioning groove (4).
3. A ruler for analysis of miswiring according to claim 1 wherein the length of the first detent (3) is not equal to the length of the second detent (4).
4. Wrong wiring analytical ruler according to claim 1 characterized by that, the ruler disk (1) shape is any geometrical shape.
5. The wrong wiring analysis ruler according to claim 1, wherein said scale plate (1) is circular in shape.
6. The miswiring analysis ruler according to claim 1, wherein the angle scale ring (2) has an inner ring scale (21) and an outer ring scale (22), wherein one of the first positioning grooves (3) corresponds to a start point of the outer ring scale (22), the other first positioning groove (3) adjacent clockwise corresponds to a start point of the inner ring scale (21), and wherein one of the second positioning grooves (4) corresponds to a position of 30 ° of the outer ring scale (22) or 330 ° of the inner ring scale (21).
7. The wrong wiring analysis ruler according to claim 1, wherein a square edge (6) is arranged on the outer periphery of the ruler disk (1), and length scale values are drawn on the square edge (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911387590.7A CN111077478A (en) | 2019-12-19 | 2019-12-19 | Ruler for analyzing wrong wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911387590.7A CN111077478A (en) | 2019-12-19 | 2019-12-19 | Ruler for analyzing wrong wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111077478A true CN111077478A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911387590.7A Pending CN111077478A (en) | 2019-12-19 | 2019-12-19 | Ruler for analyzing wrong wiring |
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|---|---|
| CN (1) | CN111077478A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487919A (en) * | 2022-04-15 | 2022-05-13 | 石家庄科林电气股份有限公司 | Self-adaptive method for wiring mode of three-phase electric energy meter |
-
2019
- 2019-12-19 CN CN201911387590.7A patent/CN111077478A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487919A (en) * | 2022-04-15 | 2022-05-13 | 石家庄科林电气股份有限公司 | Self-adaptive method for wiring mode of three-phase electric energy meter |
| CN114487919B (en) * | 2022-04-15 | 2022-07-01 | 石家庄科林电气股份有限公司 | Self-adaptive method for wiring mode of three-phase electric energy meter |
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