CN204166022U - The manganese copper diverter of dismountable anti-alternating magnetic field - Google Patents
The manganese copper diverter of dismountable anti-alternating magnetic field Download PDFInfo
- Publication number
- CN204166022U CN204166022U CN201420533378.3U CN201420533378U CN204166022U CN 204166022 U CN204166022 U CN 204166022U CN 201420533378 U CN201420533378 U CN 201420533378U CN 204166022 U CN204166022 U CN 204166022U
- Authority
- CN
- China
- Prior art keywords
- snap ring
- copper
- manganese
- resistive element
- magnetic field
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 10
- 238000005070 sampling Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses a kind of manganese copper diverter of dismountable anti-alternating magnetic field, comprise binding post, be arranged on the copper-manganese resistive element between two binding posts, the binding post of copper-manganese resistive element both sides is equipped with a sample line, and the copper-manganese resistive element two ends of described copper-manganese resistive element and binding post junction are equipped with annular groove; Described annular groove is arranged with respectively the first snap ring and the second snap ring, between the first described snap ring and the second snap ring, is connected with some wires; The first described snap ring is exposed, and the second snap ring is enclosed with insulation course, and the second described snap ring is provided with connecting line.The utility model will current distributing to wire be distributed in around copper-manganese resistive element by the first snap ring, and electric current on wire is contrary with the direction of current on copper-manganese resistive element, better balances the induction electromotive force that copper-manganese resistive element produces; Snap ring structure is novel, is convenient to change.
Description
Technical field
The utility model relates to electrical measurement element, is especially a kind of manganese copper diverter of dismountable anti-alternating magnetic field.
Background technology
The key property of shunt is a low resistance device, is provided with sampling end.Traditional shunt adopts sample line to the voltage flowing through manganese copper diverter, and electric current is sampled, and does not have particular/special requirement to the winding of sample line and the position of sampling end points.Adopt under normal circumstances and carry out voltage in this way, current sample does not have influential, but this shunt is easily subject to the interference of extraneous alternating magnetic field, and the precision making it sample is subject to larger impact, cannot normally work.
Manganese copper diverter is widely used in voltage in various instrument and meter, the high precision components of current sample, especially relates to the manganese copper diverter of the sampling element for electronic electric energy meter metering electric energy; Electric current can show metering sampling by the power voltage supply that the pressure drop of shunt copper-manganese resistive element produces, and the voltage produced is generally millivolt level.
But manganese copper diverter is especially easily by the transformer of self in electric energy meter, and mutual inductor alternating magnetic field disturbs; And the alternating magnetic field of outside disturbs and causes sampled signal normally not work by accurate-metering electric energy, particularly some stealings lawless person alternating magnetic field interference electric energy meter, thus stealing.Utilize alternating magnetic field to disturb the normal error in dipping of electric energy meter through test measuring and calculating, change along with the power of alternating magnetic field, maximum error can reach 100%.
How to avoid the alternating magnetic field interference of the interference of mutual inductor alternating magnetic field and outside and cause sampled signal accurate-metering electric energy to be not the problem needing solution badly.
Utility model content
Be directed to above-mentioned deficiency, the purpose of this utility model is the manganese copper diverter providing a kind of dismountable anti-alternating magnetic field, causes sampled signal can not the problem of accurate-metering electric energy to solve mutual inductor alternating magnetic field in prior art and outside alternating magnetic field interference manganese copper diverter.
For achieving the above object, the utility model provides a kind of manganese copper diverter of dismountable anti-alternating magnetic field, comprise binding post, be arranged on the copper-manganese resistive element between two binding posts, the binding post of copper-manganese resistive element both sides is equipped with a sample line, and the copper-manganese resistive element two ends of described copper-manganese resistive element and binding post junction are equipped with annular groove;
Described annular groove is arranged with respectively the first snap ring and the second snap ring, between the first described snap ring and the second snap ring, is connected with some wires;
The first described snap ring is exposed, and the second snap ring is enclosed with insulation course, and the second described snap ring is provided with connecting line.
According to Faraday's electromagnetic induction law, when conductor is through alternating magnetic field, in conductor, induction electromotive force can be produced.When outside alternating magnetic field interference, the some wires on snap ring produce contrary induction electromotive force, balance each other with the induction electromotive force that copper-manganese resistive element produces, and prevent alternating magnetic field from disturbing the sampling of shunt.Copper-manganese resistive element will current distributing to wire be distributed in around copper-manganese resistive element by the first snap ring, and electric current on wire is contrary with the direction of current on copper-manganese resistive element, better balances the induction electromotive force that copper-manganese resistive element produces.
Preferably, the first described snap ring is connected two semicircular ring with the second snap ring by elastic component and forms or establish annulus jaggy.
Snap ring structure is novel, is convenient to change.
Preferably, described elastic component is rigid spring, and one end of two described semicircular ring is welded on the two ends of rigid spring respectively.
The snap ring that rigid spring and two semicircular ring form, fatigue resistance is high, not easily bends, and can use for a long time and can not be out of shape, high with the compatible degree of copper-manganese resistive element.
Preferably, described wire is bent into arc and covers around copper-manganese resistive element.
Copper-manganese resistive element by current distributing to wire is distributed in around copper-manganese resistive element, better balances the induction electromotive force that copper-manganese resistive element produces by the first snap ring.
Preferably, described wire is connected on the first snap ring and the second snap ring by the mode of welding.
Preferably, the first described snap ring and the diameter of the second snap ring equal annular groove.
Improve the compatible degree of snap ring and copper-manganese resistive element.
Preferably, described wire is enclosed with insulation course.
Avoid connecting between wire, destroy the distribution of induction electromotive force.
The beneficial effect of utility model:
The utility model will current distributing to wire be distributed in around copper-manganese resistive element by the first snap ring, and electric current on wire is contrary with the direction of current on copper-manganese resistive element, better balances the induction electromotive force that copper-manganese resistive element produces; Snap ring structure is novel, is convenient to change.
Accompanying drawing explanation
Fig. 1 illustrates the structural representation of the manganese copper diverter of dismountable anti-alternating magnetic field of the present utility model;
Fig. 2 illustrates the annexation figure of snap ring in the utility model, wire and connecting line.
Embodiment
For the ease of the understanding of those skilled in the art, be further described the utility model below in conjunction with embodiment and accompanying drawing, the content that embodiment is mentioned is not to restriction of the present utility model.
Shown in seeing figures.1.and.2, the manganese copper diverter of dismountable anti-alternating magnetic field of the present utility model, comprise binding post 1, be arranged on the copper-manganese resistive element 2 between two binding posts 1, the binding post 1 of copper-manganese resistive element 2 both sides is equipped with a sample line 3, described copper-manganese resistive element 2 is equipped with annular groove 4 with copper-manganese resistive element 2 two ends of binding post 1 junction, diameter annular groove 4 being arranged with respectively the first snap ring 5 and the second snap ring 6, first snap ring 5 and the second snap ring 6 equals annular groove 4; First snap ring 5 is connected two semicircular ring with the second snap ring 6 by elastic component 9 and forms, and elastic component 9 is rigid spring, and one end of two semicircular ring is welded on the two ends of rigid spring respectively; Some wires 7 are connected with between first snap ring 5 and the second snap ring 6, wire 7 is connected on the first snap ring 5 and the second snap ring 6 by the mode of welding, wire 7 is bent into arc and covers copper-manganese resistive element 2 around, wire 7 is enclosed with insulation course, first snap ring 5 is exposed, second snap ring 6 is enclosed with insulation course, and the second snap ring 6 is provided with connecting line 8.
Principle of work of the present utility model:
When copper-manganese resistive element is not by alternating magnetic field interference, unload the snap ring on copper-manganese resistive element, the sample line connecting copper-manganese resistive element two ends carries out gage work; When copper-manganese resistive element is by alternating magnetic field interference, snap ring is loaded into copper-manganese resistive element two ends, the sample line and the connecting line that connect copper-manganese resistive element one end carry out gage work, some wires on snap ring produce contrary induction electromotive force, balance each other with the induction electromotive force that copper-manganese resistive element produces, prevent alternating magnetic field from disturbing the sampling of shunt.
The utility model embody rule approach is a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvement, these improvement also should be considered as protection domain of the present utility model.
Claims (7)
1. the manganese copper diverter of a dismountable anti-alternating magnetic field, comprise binding post (1), be arranged on the copper-manganese resistive element (2) between two binding posts (1), the binding post (1) of copper-manganese resistive element (2) both sides is equipped with a sample line (3), it is characterized in that: described copper-manganese resistive element (2) is equipped with annular groove (4) with copper-manganese resistive element (2) two ends of binding post (1) junction;
Described annular groove (4) is arranged with respectively the first snap ring (5) and the second snap ring (6), between described the first snap ring (5) and the second snap ring (6), is connected with some wires (7);
Described the first snap ring (5) is exposed, and (6) are enclosed with insulation course to the second snap ring, and described the second snap ring (6) is provided with connecting line (8).
2. the manganese copper diverter of dismountable anti-alternating magnetic field according to claim 1, is characterized in that: described the first snap ring (5) is connected two semicircular ring with the second snap ring (6) by elastic component (9) and forms or establish annulus jaggy.
3. the manganese copper diverter of dismountable anti-alternating magnetic field according to claim 2, is characterized in that: described elastic component (9) is rigid spring, and one end of two described semicircular ring is welded on the two ends of rigid spring respectively.
4. the manganese copper diverter of dismountable anti-alternating magnetic field according to claim 1, is characterized in that: described wire (7) is bent into arc and covers copper-manganese resistive element (2) around.
5. the manganese copper diverter of dismountable anti-alternating magnetic field according to claim 1, is characterized in that: described wire (7) is connected on the first snap ring (5) and the second snap ring (6) by the mode of welding.
6. the manganese copper diverter of dismountable anti-alternating magnetic field according to claim 1, is characterized in that: described the first snap ring (5) and the diameter of the second snap ring (6) equal annular groove (4).
7. the manganese copper diverter of dismountable anti-alternating magnetic field according to claim 1, is characterized in that: described wire (7) is enclosed with insulation course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533378.3U CN204166022U (en) | 2014-09-16 | 2014-09-16 | The manganese copper diverter of dismountable anti-alternating magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533378.3U CN204166022U (en) | 2014-09-16 | 2014-09-16 | The manganese copper diverter of dismountable anti-alternating magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166022U true CN204166022U (en) | 2015-02-18 |
Family
ID=52539700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420533378.3U Expired - Fee Related CN204166022U (en) | 2014-09-16 | 2014-09-16 | The manganese copper diverter of dismountable anti-alternating magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204166022U (en) |
-
2014
- 2014-09-16 CN CN201420533378.3U patent/CN204166022U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20150916 |
|
| EXPY | Termination of patent right or utility model |