CN204926948U - Prevent magnetic field interference type luo shi coil - Google Patents
Prevent magnetic field interference type luo shi coil Download PDFInfo
- Publication number
- CN204926948U CN204926948U CN201520496122.4U CN201520496122U CN204926948U CN 204926948 U CN204926948 U CN 204926948U CN 201520496122 U CN201520496122 U CN 201520496122U CN 204926948 U CN204926948 U CN 204926948U
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- semicircle
- housing
- coil
- wire
- skeleton
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Abstract
The utility model provides a prevent magnetic field interference type luo shi coil, it includes separated sets's first semicircle skeleton and second semicircle skeleton and holds the first semicircle casing of first semicircle skeleton with hold the second semicircle casing of second semicircle skeleton, first semicircle skeleton with respectively around establishing the wire on the second semicircle skeleton, the one end of first semicircle casing corresponds its inside cable mounting plug / socket, the corresponding terminal pair of second semicircle casing should its inside cable mounting socket / plug, and two halves circle the end part of the housing can dismantle and connect when enclosing circlewise the shell the plug with the socket is pegged graft, the end of drawing forth of wire is located the other end of first semicircle casing or the other end of second semicircle casing. This prevent magnetic field interference type luo shi coil has the advantage that prevents heavy current magnetic field interference, measurement accuracy, installation stability, strong adaptability.
Description
Technical field
The utility model relates to a kind of Luo-coil, specifically, relate to one and prevents magnetic interference type Luo-coil.
Background technology
In ore-smelting electric furnace industry, power consumption is occupied an leading position, and adopts the electric current of Luo-coil to ore-smelting electric furnace to detect so that realize the effective use of electricity consumption is a vital ring concerning enterprise.Traditional Luo-coil divides two kinds, soft-type and gravity die.What soft-type Luo-coil existed cannot be fixed in short net, and induced field is unbalanced, and cause secondary detection error comparatively large, nominal error value is 10
% error is too high, therefore mostly adopt the gravity die Luo-coil of separate type, but under separate type, usual between each several part wire is connected by an extra section lead, this section lead needs to be easy to install, length is inevitably slightly long, after the gravity die Luo-coil of separate type surrounds annular, and this section lead meeting bending fold, very easily be subject to the magnetic interference of short net big current, make measurement data inaccurate.
In order to solve above Problems existing, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, thus provides one to prevent big current magnetic interference, measures accurately, installs and stablely, adaptable prevent magnetic interference type Luo-coil.
To achieve these goals, the technical scheme that the utility model adopts is: one prevents magnetic interference type Luo-coil, comprise the second semicircle housing of the first semicircle skeleton and the second semicircle skeleton that are separated and arrange and the first semicircle housing holding described first semicircle skeleton and the described second semicircle skeleton of accommodation, described first semicircle skeleton and described second semicircle skeleton distinguish winding with guiding-wire, plug/socket installed by the wire of its inside corresponding, one end of described first semicircle housing, wire mounting receptacle/the plug of corresponding end its inside corresponding of described second semicircle housing, two semicircular shell end removably connects described plug and described socket grafting when surrounding ring-shaped shell, the exit of described wire is located at the other end of described first semicircle housing or the other end of described second semicircle housing.
Described on base, described first semicircle housing and described second semicircle housing include housing body and are located at the cover plate of described housing body both sides.
Described on base, in described housing body, be provided with copper foil shielding layer.
Described on base, described ring-shaped shell is in axial direction installed at least 2 registration stay bolts, often arrange described location stay bolt and be no less than 3 and circumferentially evenly arrange, the circle centre position of described ring-shaped shell is pointed in the precession of each described location stay bolt or back-out direction.
Described on base, the outside of described cover plate is provided with arc-shaped protrusions, described arc-shaped protrusions is provided with and is no less than 2 location stay bolts.
Described on base, the other end of described first semicircle housing or the other end of described second semicircle housing install aviation plug, and the exit of described wire is electrically connected with this aviation plug.
Described on base, the end of described first semicircle housing and described second semicircle housing all outwards horizontal-extending forms connecting plate, and on two corresponding connecting plates, correspondence arranges perforation, and semicircle housing described in two is fixed by the bolt be located on described connecting plate.
Described on base, the exit of described wire is provided with Circuit tuning, one end of one end contact resistance R1 of described wire, one end of the other end contact resistance R2 of described wire, the other end of series resistor R3 and variable resistor W1 between the other end of described resistance R1 and the other end of described resistance R2, described resistance R1 is also connected external equipment with the other end of described resistance R2.
The utility model hinge structure has substantive distinguishing features and progress, specifically, the utility model adopts the gravity die structure of separate type, the electromagnetic interference of short net big current is subject to when wire connects, adopt, in the corresponding end of one end of the first semicircle housing and described second semicircle housing, supporting plug and socket is installed, replace traditional wire to connect, the form of plug and socket grafting is used to be connected together by the wire on two semicircle skeletons, it is also only the operation of grafting during handling, vibrational power flow is ingenious, use very convenient, little on the impact of Luo-coil, stability is high, farthest reduce the electromagnetic interference problem of short net big current, ensure the certainty of measurement of Luo-coil.
Further, semicircle housing comprises the cover plate of housing body and both sides, convenient when loading and unloading, and also easier when safeguarding and overhaul, inside arranges copper foil shielding layer, further avoids big current electromagnetic interference problem.
Further, ring-shaped shell is installed location stay bolt, location stay bolt can screw in center or screw out, under many location stay bolts coordinate, what this ring-shaped shell was stable is fixed on short_net copper pipe, and when running into the problem that copper pipe diameter differs, location stay bolt can play the effect of adjustment, ensure that copper pipe is positioned at the center of this Luo-coil all the time, to ensure that magnetic field is balanced.
Further, usually location stay bolt is arranged on the outside of cover plate, the i.e. both sides of annular outer cover, arc-shaped protrusions is established in the outside of cover plate, the arc-shaped protrusions being positioned at ring-shaped shell the same side preferably has the identical center of circle and radius, is arranged in arc-shaped protrusions, is fixed adjustment stay bolt from both sides to ring-shaped shell, this structure is more reasonable, and fixation degree is also higher.
Further, at the exit of wire, aviation plug is installed, connects external equipment again by aviation plug, ensure the stable of signal.
Further, arrange connecting plate in the end of semicircle housing, two semicircular housing is fixed by connecting plate and bolt, is convenient to install, detachably.
Further, wire terminals arranges Circuit tuning, carries out precision adjustment, to meet output requirement by variable resistor W1 to the signal exported.
It has and prevents big current magnetic interference, measures accurately, installs stable, adaptable advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation preventing magnetic interference type Luo-coil in the utility model.
Fig. 2 is the structural representation of annular outer cover and location stay bolt in the utility model.
Fig. 3 is the circuit diagram of Circuit tuning in the utility model.
In figure: 1. the first semicircle skeleton; 2. the second semicircle skeleton; 3. the first semicircle housing; 4. the second semicircle housing; 5. wire; 6. connecting plate; 7. socket; 8. plug; 9. aviation plug; 10. arc-shaped protrusions; 11. location stay bolts; 12. cover plates; 13. housing body.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As depicted in figs. 1 and 2, one prevents magnetic interference type Luo-coil, comprise the first semicircle skeleton 1 and the second semicircle skeleton 2 of separation setting and hold the first semicircle housing 3 of described first semicircle skeleton 1 and hold the second semicircle housing 4 of described second semicircle skeleton 2, described first semicircle skeleton 1 and described second semicircle skeleton 2 distinguish winding with guiding-wire 5, plug 8 installed by the wire 5 of its inside corresponding, one end of described first semicircle housing 3, wire 5 mounting receptacle 7 of corresponding end its inside corresponding of described second semicircle housing 4, the end all outwards horizontal-extending formation connecting plate 5 of the first semicircle housing 3 and described second semicircle housing 4, on two corresponding connecting plates 5, correspondence arranges perforation, two semicircular shell end is removably connected by connecting plate fitted bolt and surrounds ring-shaped shell.This structure has following advantage: 1. adopt the demountable structure of two semicircle docking to ensure that dismounting is convenient, fast, affected by environment little; 2., after forming ring-shaped shell, described plug 8 and the grafting of described socket 7, because the form that have employed plug and socket connects wire, avoid the electromagnetic interference of short net big current, measured data precision is higher.
The exit of described wire is located at the aviation plug 9 of described first semicircle housing 3 other end, and external integrator, changes data.Described first semicircle housing 3 and described second semicircle housing 4 include housing body 13 and are located at the cover plate 12 of described housing body 13 both sides, the outside of described cover plate 12 is provided with arc-shaped protrusions 10, described arc-shaped protrusions be provided with 2 location stay bolts 11 and circumferentially evenly arrange, the circle centre position of described ring-shaped shell is pointed in the precession of each described location stay bolt 11 or back-out direction, 8 location stay bolts 11 altogether, 4, every side, even regulation, can realize adjusting the location of center copper pipe, ensure that copper pipe is in the center of Luo-coil, ensure that magnetic field is balanced.Be provided with copper foil shielding layer in described housing body, strengthen the antijamming capability of Luo-coil further.
As shown in Figure 3, the exit of described wire is provided with Circuit tuning, one end of one end contact resistance R1 of described wire, one end of the other end contact resistance R2 of described wire, the other end of series resistor R3 and variable resistor W1 between the other end of described resistance R1 and the other end of described resistance R2, described resistance R1 is also connected external equipment with the other end of described resistance R2, by adjustment variable resistor W1, realize the adjustment to output signal accuracy, with satisfied output demand.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to embodiment of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (8)
1. one kind prevents magnetic interference type Luo-coil, it is characterized in that: it comprises the second semicircle housing of the first semicircle skeleton and the second semicircle skeleton that are separated and arrange and the first semicircle housing holding described first semicircle skeleton and the described second semicircle skeleton of accommodation, described first semicircle skeleton and described second semicircle skeleton distinguish winding with guiding-wire, plug/socket installed by the wire of its inside corresponding, one end of described first semicircle housing, wire mounting receptacle/the plug of corresponding end its inside corresponding of described second semicircle housing, two semicircular shell end removably connects described plug and described socket grafting when surrounding ring-shaped shell, the exit of described wire is located at the other end of described first semicircle housing or the other end of described second semicircle housing.
2. according to claim 1ly prevent magnetic interference type Luo-coil, it is characterized in that: described first semicircle housing and described second semicircle housing include housing body and be located at the cover plate of described housing body both sides.
3. according to claim 2ly prevent magnetic interference type Luo-coil, it is characterized in that: in described housing body, be provided with copper foil shielding layer.
4. according to Claims 2 or 3, prevent magnetic interference type Luo-coil, it is characterized in that: described ring-shaped shell is in axial direction installed at least 2 registration stay bolts, often arrange described location stay bolt and be no less than 3 and circumference along described ring-shaped shell is evenly arranged, the precession of each described location stay bolt or screw out the circle centre position that described ring-shaped shell is pointed in direction.
5. according to claim 4ly prevent magnetic interference type Luo-coil, it is characterized in that: the outside of described cover plate is provided with arc-shaped protrusions, described arc-shaped protrusions is provided with and is no less than 2 location stay bolts.
6. according to claim 5ly prevent magnetic interference type Luo-coil, it is characterized in that: the other end of described first semicircle housing or the other end of described second semicircle housing install aviation plug, and the exit of described wire is electrically connected with this aviation plug.
7. according to claim 6ly prevent magnetic interference type Luo-coil, it is characterized in that: the end all outwards horizontal-extending formation connecting plate of described first semicircle housing and described second semicircle housing, on two corresponding connecting plates, correspondence arranges perforation, and semicircle housing described in two is fixed by the bolt be located on described connecting plate.
8. according to claim 1ly prevent magnetic interference type Luo-coil, it is characterized in that: the exit of described wire is provided with Circuit tuning, one end of one end contact resistance R1 of described wire, one end of the other end contact resistance R2 of described wire, the other end of series resistor R3 and variable resistor W1 between the other end of described resistance R1 and the other end of described resistance R2, described resistance R1 is also connected external equipment with the other end of described resistance R2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496122.4U CN204926948U (en) | 2015-07-10 | 2015-07-10 | Prevent magnetic field interference type luo shi coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496122.4U CN204926948U (en) | 2015-07-10 | 2015-07-10 | Prevent magnetic field interference type luo shi coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204926948U true CN204926948U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520496122.4U Expired - Fee Related CN204926948U (en) | 2015-07-10 | 2015-07-10 | Prevent magnetic field interference type luo shi coil |
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| CN (1) | CN204926948U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709357A (en) * | 2018-12-29 | 2019-05-03 | 武汉新电电气股份有限公司 | A kind of shell structure of DPMU distribution synchronous phasor measuring device |
| CN109813941A (en) * | 2019-02-20 | 2019-05-28 | 山东元星电子有限公司 | A kind of method of flexible Luo-coil bracket and installation conducting wire to be measured |
| CN111370199A (en) * | 2020-03-24 | 2020-07-03 | 河北为信电子科技股份有限公司 | Rogowski coil |
-
2015
- 2015-07-10 CN CN201520496122.4U patent/CN204926948U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709357A (en) * | 2018-12-29 | 2019-05-03 | 武汉新电电气股份有限公司 | A kind of shell structure of DPMU distribution synchronous phasor measuring device |
| CN109813941A (en) * | 2019-02-20 | 2019-05-28 | 山东元星电子有限公司 | A kind of method of flexible Luo-coil bracket and installation conducting wire to be measured |
| CN109813941B (en) * | 2019-02-20 | 2020-10-30 | 山东元星电子有限公司 | Flexible Roche coil support and method for mounting lead to be tested |
| CN111370199A (en) * | 2020-03-24 | 2020-07-03 | 河北为信电子科技股份有限公司 | Rogowski coil |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20170710 |