CN204166021U - The manganese copper diverter of embedded anti-alternating magnetic field - Google Patents
The manganese copper diverter of embedded anti-alternating magnetic field Download PDFInfo
- Publication number
- CN204166021U CN204166021U CN201420533355.2U CN201420533355U CN204166021U CN 204166021 U CN204166021 U CN 204166021U CN 201420533355 U CN201420533355 U CN 201420533355U CN 204166021 U CN204166021 U CN 204166021U
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- CN
- China
- Prior art keywords
- copper
- manganese
- resistive element
- joint face
- contact rod
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- 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.)
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Abstract
The utility model discloses a kind of manganese copper diverter of embedded anti-alternating magnetic field, comprise binding post, be arranged on the copper-manganese resistive element between two binding posts, described copper-manganese resistive element one end is provided with the first joint face, and the other end is provided with the second joint face; Be provided with the first through hole in the middle part of described copper-manganese resistive element, the second joint face of corresponding first lead to the hole site is provided with the second through hole; The first described joint face connects contact rod, and contact rod is through the first through hole and the second through hole.Copper-manganese resistive element of the present utility model by the first joint face by current delivery on contact rod, and electric current on contact rod is contrary with the direction of current on copper-manganese resistive element, balances the induction electromotive force that copper-manganese resistive element produces; Be provided with the first through hole in copper-manganese resistive element, increase copper-manganese resistive element cross-sectional area, decrease the resistance value of copper-manganese resistive element, decrease the use amount of copper-manganese material simultaneously, cost-saving.
Description
Technical field
The utility model relates to electrical measurement element, is especially a kind of manganese copper diverter of embedded 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 embedded anti-alternating magnetic field, causes sampled signal can not the large and inaesthetic problem of outer setting means for anti-jamming of accurate-metering electric energy, copper-manganese resistive element resistance 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 embedded anti-alternating magnetic field, comprises binding post, is arranged on the copper-manganese resistive element between two binding posts, described copper-manganese resistive element one end is provided with the first joint face, and the other end is provided with the second joint face;
Be provided with the first through hole in the middle part of described copper-manganese resistive element, the second joint face of corresponding first lead to the hole site is provided with the second through hole;
The first described joint face connects contact rod, and contact rod is through the first through hole and the second through hole;
Described contact rod outside surface is separated with the first through-hole inner surface, and contact rod outside surface is separated with the second through-hole inner surface;
Described shunt is provided with two sample line, and sample line is connected on the second joint face and with on the contact rod of the second joint face side.
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 contact rod in copper-manganese resistive element produces contrary induction electromotive force, balances each other with the induction electromotive force that copper-manganese resistive element produces, and prevents alternating magnetic field from disturbing the sampling of shunt.Copper-manganese resistive element by the first joint face by current delivery on contact rod, and electric current on contact rod is contrary with the direction of current on copper-manganese resistive element, balances the induction electromotive force that copper-manganese resistive element produces; Be provided with the first through hole in copper-manganese resistive element, increase copper-manganese resistive element cross-sectional area, decrease the resistance value of copper-manganese resistive element, decrease the use amount of copper-manganese material simultaneously, cost-saving; It is inner that this means for anti-jamming is arranged on copper-manganese resistive element, and plasticity is good attractive in appearance, and exterior quality is high, not fragile.
Preferably, on the contact rod outside the second described joint face, cover has insulation spacer, and the contact rod outside insulation spacer is provided with securing member.
Prevent contact rod to be overlapped on the second joint face, form partial short-circuit, burn copper-manganese resistive element.
Preferably, described copper-manganese resistive element two ends all cave inward formation pit;
The first described joint face and the outwardly formation projection of the second joint face one side;
Together with described projection fits in pit.
Joint face can better and copper-manganese resistive element fit together, realize electric current zero error transmission.
Preferably, described projection is provided with some salient points.
Joint face is contacted more abundant with copper-manganese resistive element.
Preferably, described contact rod is provided with screw thread, and securing member is the nut be spun on contact rod.
Novel structure, stability is high, and contact rod can be made to be fixed on for a long time on copper-manganese resistive element.
Preferably, described sample line be fixed on be positioned at the second joint face side binding post on, and to protrude upward.
The beneficial effect of utility model:
Copper-manganese resistive element of the present utility model by the first joint face by current delivery on contact rod, and electric current on contact rod is contrary with the direction of current on copper-manganese resistive element, balances the induction electromotive force that copper-manganese resistive element produces; Be provided with the first through hole in copper-manganese resistive element, increase copper-manganese resistive element cross-sectional area, decrease the resistance value of copper-manganese resistive element, decrease the use amount of copper-manganese material simultaneously, cost-saving; It is inner that this means for anti-jamming is arranged on copper-manganese resistive element, and plasticity is good attractive in appearance, and exterior quality is high, not fragile.
Accompanying drawing explanation
Fig. 1 illustrates the inner structure schematic diagram of copper-manganese resistive element in the utility model;
Fig. 2 illustrates the external structure schematic diagram of copper-manganese resistive element in the utility model;
Fig. 3 illustrates the structural representation of the manganese copper diverter of embedded anti-alternating magnetic field of the present utility model.
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 Fig. 3, the manganese copper diverter of embedded anti-alternating magnetic field of the present utility model, comprises binding post 1, is arranged on the copper-manganese resistive element 2 between two binding posts 1, and copper-manganese resistive element 2 one end is provided with the first joint face 3, and the other end is provided with the second joint face 4; Be provided with the first through hole 5 in the middle part of copper-manganese resistive element 2, the second joint face 4 of corresponding first through hole 5 position is provided with the second through hole 6; First joint face 3 connects contact rod 7, and contact rod 7 passes the first through hole 5 and the second through hole 6, first joint face 3 and contact rod 7 by copper-manganese integrated injection molding, and the second joint face 4 is by copper-manganese injection mo(u)lding; Contact rod 7 outside surface is separated with the first through hole 5 inside surface, and contact rod 7 outside surface is separated with the second through hole 6 inside surface; Two binding posts 1 are equipped with sample line 8, and sample line 8 is connected on the second joint face 4 and with on the contact rod 7 of the second joint face 4 side, sample line 8 be fixed on be positioned at the second joint face 4 side binding post 1 on, and to protrude upward.
On contact rod 7 outside second joint face 4, cover has insulation spacer 9, and the contact rod 7 outside insulation spacer 9 is provided with securing member 10, and contact rod 7 is provided with screw thread, and securing member 10 is for being spun on the nut on contact rod 7.
Copper-manganese resistive element 2 two ends all cave inward and form pit 11, first joint face 3 and the outwardly formation of the second joint face 4 one side protruding 12, and together with projection 12 fits in pit 11, protruding 12 are provided with some salient points 13.
Principle of work of the present utility model:
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 contact rod in copper-manganese resistive element produces contrary induction electromotive force, balances each other with the induction electromotive force that copper-manganese resistive element produces, and prevents 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 (6)
1. the manganese copper diverter of an embedded anti-alternating magnetic field, comprise binding post (1), be arranged on the copper-manganese resistive element (2) between two binding posts (1), it is characterized in that: described copper-manganese resistive element (2) one end is provided with the first joint face (3), and the other end is provided with the second joint face (4);
Described copper-manganese resistive element (2) middle part is provided with the first through hole (5), and second joint face (4) of corresponding first through hole (5) position is provided with the second through hole (6);
Described the first joint face (3) connects contact rod (7), and contact rod (7) is through the first through hole (5) and the second through hole (6);
Described contact rod (7) outside surface is separated with the first through hole (5) inside surface, and contact rod (7) outside surface is separated with the second through hole (6) inside surface;
Described shunt (1) is provided with two sample line (8), and sample line (8) is connected on the second joint face (4) and with on the contact rod (7) of the second joint face (4) side.
2. the manganese copper diverter of embedded anti-alternating magnetic field according to claim 1, it is characterized in that: the upper cover of contact rod (7) in described the second joint face (4) outside has insulation spacer (9), and the contact rod (7) in insulation spacer (9) outside is provided with securing member (10).
3. the manganese copper diverter of embedded anti-alternating magnetic field according to claim 1, is characterized in that: described copper-manganese resistive element (2) two ends all cave inward and form pit (11);
Described the first joint face (3) and the outwardly formation of the second joint face (4) one side protruding (12);
Together with described projection (12) fits in pit (11).
4. the manganese copper diverter of embedded anti-alternating magnetic field according to claim 3, is characterized in that: described projection (12) is provided with some salient points (13).
5. the manganese copper diverter of embedded anti-alternating magnetic field according to claim 2, is characterized in that: described contact rod (7) is provided with screw thread, and securing member (10) is for being spun on the nut on contact rod (7).
6. the manganese copper diverter of embedded anti-alternating magnetic field according to claim 1, is characterized in that: described sample line (8) is fixed on and is positioned on the binding post (1) of the second joint face (4) side, and protrudes upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533355.2U CN204166021U (en) | 2014-09-16 | 2014-09-16 | The manganese copper diverter of embedded anti-alternating magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533355.2U CN204166021U (en) | 2014-09-16 | 2014-09-16 | The manganese copper diverter of embedded anti-alternating magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166021U true CN204166021U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420533355.2U Expired - Fee Related CN204166021U (en) | 2014-09-16 | 2014-09-16 | The manganese copper diverter of embedded anti-alternating magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204166021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093523A (en) * | 2016-06-21 | 2016-11-09 | 福建省计量科学研究院 | A kind of I V changer |
-
2014
- 2014-09-16 CN CN201420533355.2U patent/CN204166021U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093523A (en) * | 2016-06-21 | 2016-11-09 | 福建省计量科学研究院 | A kind of I V changer |
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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 |