CN207263817U - A kind of open type Rogowski coil - Google Patents
A kind of open type Rogowski coil Download PDFInfo
- Publication number
- CN207263817U CN207263817U CN201721351249.2U CN201721351249U CN207263817U CN 207263817 U CN207263817 U CN 207263817U CN 201721351249 U CN201721351249 U CN 201721351249U CN 207263817 U CN207263817 U CN 207263817U
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- China
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- coil
- protective case
- semi
- rogowski coil
- circular shape
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Abstract
The utility model discloses a kind of open type Rogowski coil, the semi-circular shape Rogowski coil first half and Rogowski coil lower half including symmetrically arranged upset closure connection, the Rogowski coil first half and Rogowski coil lower half include protective case and semi-circular shape coil group, semi-circular shape coil group includes fixed pallet, even number rectangle flat-wise coil, shielded layer and insulating layer, two rectangle flat-wise coils that two semi-circular shape coil groups are located at protective case connecting pin are connected by conducting wire, the signal lead-out wire for extending protective case normally open end is respectively arranged with two semi-circular shape coil groups, it is located at one end of protective case connecting pin and is connected by shielding connecting line；The utility model is because use rectangle flat-wise coil, so coiling is uniform, regular, parallel, multiple coils are symmetrical at the same time, make its coil arrangement uniform, parameter consistency is good, the Rogowski coil of the utility model is superior to traditional Rogowski coil at precision, uniformity, stability, aspect, can reach 0.5 grade, or even 0.2 class precision.
Description
Technical field
The utility model belongs to current measurement techniques field, and in particular to a kind of open type Rogowski coil, for distribution wire
Road fault locator.
Background technology
Rogowski coil have the characteristics that measurement range is wide, the linearity is good, it is simple in structure, without open circuit risk, be suitable for electric power
The current parameters measurement of circuit.Open type and closed two kinds of structures are generally can be divided into, the Rogowski coil installation of open type, safeguard
It is more convenient, it is suitable for applying in the not easy-to-dismount occasion of energized conductor.
Conducting wire, is uniformly wound on the skeleton that nonmagnetic flexible material is formed by traditional open type Rogowski coil more,
Outside is further added by shielding construction.But its measurement accuracy is influenced by framework material and conducting wire coiling, it is difficult to meets high-acruracy survey
It is required that while need exterior extra shielding construction, its volume is larger, its installation is brought certain difficulty.
Utility model content
The purpose of this utility model is that it is insufficient according to prior art, design a kind of high accuracy of strong antijamming capability and open
Mouth formula Rogowski coil.
Technical solution is used by the utility model solves its technical problem：A kind of open type Rogowski coil, including it is right
Overturning for claiming to set closes the semi-circular shape Rogowski coil first half connected and Rogowski coil lower half, on the Rogowski coil
Half portion includes upper protective case and the semi-circular shape coil group being arranged in protective case, and the Rogowski coil lower half includes lower protective case
With the semi-circular shape coil group being arranged in lower protective case, the semi-circular shape coil group includes the fixed support in semi-circular shape
Plate, be arranged on the even number rectangle flat-wise coil being connected each other by conducting wire in fixed pallet by rule and wrap
The shielded layer of fixed pallet and rectangle flat-wise coil, the rectangle flat-wise coil are also enclosed with the insulation in shielded layer outside
Layer, two semi-circular shape coil groups being symmetrical arranged with certain interval are located at upper protective case and lower protective case connecting pin side
Two rectangle flat-wise coils be connected by conducting wire, be respectively arranged with the semi-circular shape coil group described in two on extending
Protective case and the signal lead-out wire of lower protective case normally open end, it is located at one end of upper protective case and lower protective case connecting pin by shielding connecting line
It is connected.
The upper protective case and the normally open end of lower protective case are provided with fast interface, its connecting pin is provided with upset closure connection
Device.
Described upset closure attachment device include shaft and be separately positioned on protective case and lower protective case connecting pin with
The upper upset closure connecting portion and lower upset closure connecting portion that shaft is used cooperatively.
The rectangle flat-wise coil includes magnetic core and the coil being wound on magnetic core.
Resistance is provided with signal lead-out wire described in any.
The resistance uses 100k Ω resistance.
The shielded layer uses copper foil.
The beneficial effects of the utility model are：
The utility model includes even number rectangle flat-wise coil, these rectangle flat-wise coils are symmetrical into two semicircular rings
Shape, and wrapped up by copper foil shielding layer, it is placed in two symmetrical semi-circular annular protective cases, symmetrically arranged two pieces of semi-circular shape protective cases
Between be equipped with gap, be easy to open closure, and because there is the presence of copper foil shielding layer, form Faraday cage shield cover structure,
So that the Rogowski coil of the utility model has the performance of good electromagnetism interference.
The utility model is because use rectangle flat-wise coil, and coiling is uniform, regular, parallel, while multiple rectangles are put down
Coiling is symmetrical, makes its coil arrangement uniformly, parameter consistency is good.The Rogowski coil of the utility model is surround better than common
Rogowski coil, common wound coil are not accomplished symmetrically, but rectangle flat-wise coil can make each coil about the same, this
Sample gets up rectangle flat-wise coil symmetric arrays, reaches the Symmetric Decomposition of coil.The Rogowski coil of the utility model is in precision, one
Cause property, stability, aspect are superior to traditional Rogowski coil, can reach 0.5 grade, or even 0.2 class precision.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is connection diagram inside the utility model Rogowski coil；
Fig. 3 is the profile of the utility model Rogowski coil first half；
Fig. 4 is the structure diagram of the utility model rectangle flat-wise coil.
Each reference numeral is：1-Rogowski coil first half, 2-Rogowski coil lower half, 3-shielding connecting line, 4-letter
Number lead-out wire, 5-fast interface, 6-shaft, 71-upper protective case, 72-lower protective case, 8-shielded layer, 9-insulating layer, 10-line
Circle, 11-magnetic core, 12-fixed pallet, 13-rectangle flat-wise coil, 14-resistance.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
With reference to shown in Fig. 1, Fig. 2, the utility model discloses a kind of open type Rogowski coil, including symmetrically arranged upset
The semi-circular shape Rogowski coil first half 1 and Rogowski coil lower half 2, the Rogowski coil first half 1 for closing connection include
Upper protective case 71 and the semi-circular shape coil group being arranged in protective case 71, the Rogowski coil lower half 2 includes lower protective case 72
With the semi-circular shape coil group being arranged in lower protective case 72, the semi-circular shape coil group includes the fixed support in semi-circular shape
Plate 12, be arranged on 16 to be connected each other by conducting wire in fixed pallet 12 by rule（Or more even number）Rectangle is put down
Coiling 13 and the shielded layer 8 for wrapping fixed pallet 12 and rectangle flat-wise coil 13, the shielded layer 8 use copper foil,
The insulating layer 9 in shielded layer 8 is also enclosed with outside the rectangle flat-wise coil 13.These rectangle flat-wise coils 13 symmetrically divide
Cloth is wrapped up into two semi-circular shape, and by copper foil shielding layer 8, is placed in the upper protective case 71 of two symmetrical semi-circular annulars, lower protective case 72
It is interior, gap is equipped between protective case 71 and lower protective case 72 in symmetrically arranged two pieces of semi-circular shape, is easy to open closure, and because
There is the presence of copper foil shielding layer 8, form Faraday cage shield cover structure so that the Rogowski coil of the utility model has good
The performance of electromagnetism interference.
Two semi-circular shape coil groups being symmetrical arranged with certain interval are located at upper protective case 71 and lower protective case 72
Two rectangle flat-wise coils 13 of connecting pin side are connected by conducting wire, are set respectively in the semi-circular shape coil group described in two
The signal lead-out wire 4 for extending upper protective case 71 and lower 72 normally open end of protective case is equipped with, it is located at upper protective case 71 and lower protective case 72 connects
The one end at end is connected by shielding connecting line 3.
The upper protective case 71 and the normally open end of lower protective case 72 are provided with fast interface 5, its connecting pin is provided with upset and closes
Close attachment device.
The upset closure attachment device includes shaft 6 and is separately positioned on protective case 71 and lower 72 connecting pin of protective case
Be used cooperatively with shaft 6 upper upset closure connecting portion and it is lower upset closure connecting portion.
The rectangle flat-wise coil 13 includes magnetic core 11 and the coil 10 being wound on magnetic core 11.
Resistance 14 is provided with signal lead-out wire 4 described in any.The resistance 14 uses 100k Ω resistance, increase
Measure stability.
The utility model is because using rectangle flat-wise coil 13, and coiling is uniform, regular, parallel, while multiple rectangles
Flat-wise coil 13 is symmetrical, makes its coil arrangement uniformly, parameter consistency is good.The Rogowski coil of the utility model is better than common
Around Rogowski coil, common wound coil is not accomplished symmetrically, but can to make each about the same for rectangle flat-wise coil 13
Coil, so gets up 13 symmetric arrays of rectangle flat-wise coil, reaches the Symmetric Decomposition of coil.The Rogowski coil of the utility model
Traditional Rogowski coil is superior at precision, uniformity, stability, aspect, 0.5 grade, or even 0.2 class precision can be reached.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and the embodiment that part uses,
For those of ordinary skill in the art, on the premise of not departing from the utility model and creating design, if can also make
Dry modification and improvement, these belong to the scope of protection of the utility model.
Claims (7)
- A kind of 1. open type Rogowski coil, it is characterised in that：Include the semi-circular shape Roche of symmetrically arranged upset closure connection The coil first half（1）With Rogowski coil lower half（2）, the Rogowski coil first half（1）Including upper protective case（71）And setting In upper protective case（71）Interior semi-circular shape coil group, the Rogowski coil lower half（2）Including lower protective case（72）Be arranged on Lower protective case（72）Interior semi-circular shape coil group, the semi-circular shape coil group include the fixed pallet in semi-circular shape （12）, by rule be arranged on fixed pallet（12）The even number rectangle flat-wise coil being connected between upper by conducting wire（13） And wrap fixed pallet（12）With rectangle flat-wise coil（13）Shielded layer（8）, the rectangle flat-wise coil（13）Outside Also it is enclosed with positioned at shielded layer（8）Interior insulating layer（9）, two semi-circular shape lines being symmetrical arranged with certain interval Circle group is located at upper protective case（71）With lower protective case（72）Two rectangle flat-wise coils of connecting pin side（13）It is connected by conducting wire, It is respectively arranged with semi-circular shape coil group described in two and extends upper protective case（71）With lower protective case（72）The signal of normally open end Lead-out wire（4）, it is located at upper protective case（71）With lower protective case（72）One end of connecting pin is by shielding connecting line（3）It is connected.
- 2. a kind of open type Rogowski coil according to claim 1, it is characterised in that the upper protective case and lower protective case Normally open end is provided with fast interface（5）, its connecting pin is provided with upset closure attachment device.
- A kind of 3. open type Rogowski coil according to claim 2, it is characterised in that the upset closure attachment device Including shaft（6）And be separately positioned on protective case and lower protective case connecting pin and shaft（6）The upper upset closure being used cooperatively Connecting portion and lower upset closure connecting portion.
- A kind of 4. open type Rogowski coil according to claim 3, it is characterised in that the rectangle flat-wise coil（13） Including magnetic core（11）Be wound on magnetic core（11）On coil（10）.
- A kind of 5. open type Rogowski coil according to claim 4, it is characterised in that the signal lead-out wire described in any （4）On be provided with resistance（14）.
- A kind of 6. open type Rogowski coil according to claim 5, it is characterised in that the resistance（14）Using 100k Ω resistance.
- A kind of 7. open type Rogowski coil according to claim 6, it is characterised in that the shielded layer（8）Using copper Paper tinsel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351249.2U CN207263817U (en) | 2017-10-19 | 2017-10-19 | A kind of open type Rogowski coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351249.2U CN207263817U (en) | 2017-10-19 | 2017-10-19 | A kind of open type Rogowski coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207263817U true CN207263817U (en) | 2018-04-20 |
Family
ID=61916669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721351249.2U Active CN207263817U (en) | 2017-10-19 | 2017-10-19 | A kind of open type Rogowski coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207263817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009203A (en) * | 2021-01-27 | 2021-06-22 | 江阴市星火电子科技有限公司 | Hard open-close type Rogowski coil |
-
2017
- 2017-10-19 CN CN201721351249.2U patent/CN207263817U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009203A (en) * | 2021-01-27 | 2021-06-22 | 江阴市星火电子科技有限公司 | Hard open-close type Rogowski coil |
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