CN201556524U - Electronic type current transformer with PCB Rockwell coil - Google Patents
Electronic type current transformer with PCB Rockwell coil Download PDFInfo
- Publication number
- CN201556524U CN201556524U CN2009202610497U CN200920261049U CN201556524U CN 201556524 U CN201556524 U CN 201556524U CN 2009202610497 U CN2009202610497 U CN 2009202610497U CN 200920261049 U CN200920261049 U CN 200920261049U CN 201556524 U CN201556524 U CN 201556524U
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Abstract
The utility model relates to an electronic type current transformer with a PCB Rockwell coil, which comprises a PCB Rockwell coil, and is characterized in that the PCB Rockwell coil comprises a ring-shaped epoxy glass cloth laminate, wires are printed on a PCB board, the PCB board have two layers and are respectively covered on the two surfaces of the epoxy glass cloth laminate, one end of the wire of the top layer PCB board and one end of the wire of the bottom player PCB board are connected through a metalized hole which is arranged on the epoxy glass cloth laminate, and the other end of the wire of the top layer PCB board and the other end of the wire of the bottom layer PCB board are used as terminals. The PCB Rockwell coil is uniformly densely distributed with a plurality of wide wires on the ring-shaped PCB board, the top layer and the bottom layer complete to connect through the hole, the top layer and the bottom layer respectively lead out an outgoing line end, and several PCB coils can be connected in series in order to increase the sensitivity. The evenness and the consistency of lines are greatly better than winding coils, thereby increasing the stability and the consistency of the device.
Description
Technical field
The utility model relates to the electron electric power technical field, particularly a kind of electronic current mutual inductor with PCB Rockwell coil.
Background technology
The Rockwell coil of the electronic current mutual inductor that prior art provides can by with lead around one around the sealing ring skeleton on, skeleton is made by the material of non-magnetic core.As shown in Figure 1.Induction by current by coil produces a voltage e, can be provided by the following formula that is similar to out: e=-u
oNA dI/dt=H dI/dt (1)
Wherein: u
o=permeability of free space, N=twines density, [number of turn/rice], A=single turn sectional area [rice 2], H=coil sensitivity [Vs/A]
Because it is inhomogeneous that lead twines, and move easily, can cause the coil-induced voltage that goes out to be subject to the interference of external magnetic field, and each coil winding difference of coming out all to have.The stability and the consistency of electronic current transformer device that comprises this coil is relatively poor.
The utility model content
The utility model provides a kind of PCB (printed circuit board) Rockwell coil of electronic current transformer device, to improve the stability and the consistency of electronic current transformer device.
To achieve these goals, the utility model provides following technical scheme:
A kind of electronic current mutual inductor with PCB Rockwell coil comprises PCB Rockwell coil, and described PCB Rockwell coil comprises: the epoxy glass cloth laminated board of ring shape, lead are printed on the pcb board; Described pcb board is two-layer, comprise bottom pcb board and top layer pcb board, cover the two sides of described epoxy glass cloth laminated board respectively, the hole of the metallization of one end of one end of the lead of described top layer pcb board and the lead of described bottom pcb board by being arranged on described epoxy glass cloth laminated board is connected, and the other end of the lead of the other end of the lead of described top layer pcb board and described bottom pcb board is as terminals.
Wherein, preferred, described lead is around shape and evenly is printed on the described pcb board.
Wherein, preferred, the lead on the described pcb board is in series by a plurality of PCB coils.
By above technical scheme as can be seen, the PCB that the utility model provides (printed circuit board) Rockwell coil is evenly densely covered some wide leads on the pcb board of circle, top layer is connected by via hole with bottom to be finished, top layer, bottom respectively draws a leading-out terminal, in order to increase sensitivity, several PCB coils can be together in series.Because wiring by machine plate-making, the uniformity of lines and consistency all are better than coiled wire-wound coil greatly, thereby have improved the stability and the consistency of device.
Description of drawings
The PCB Rockwell coil of the electronic current mutual inductor that Fig. 1 provides for prior art;
The Rockwell coil of the electronic current mutual inductor PCB that Fig. 2 provides for the utility model embodiment.
Embodiment
In order better to understand the technical solution of the utility model, describe the embodiment that the utility model provides in detail below in conjunction with accompanying drawing.
The utility model embodiment provides a kind of electronic current mutual inductor of band, and it comprises PCB Rockwell coil, and as shown in Figure 2, this PCB Rockwell coil comprises: the epoxy glass cloth laminated board of ring shape (not marking among the figure), lead 102 are printed on the described pcb board 110; Described pcb board 110 is two-layer, comprise bottom pcb board and top layer pcb board 110 (Fig. 2 is a top layer pcb board structural representation), cover the two sides of described epoxy glass cloth laminated board respectively, the hole of one end 101 of the lead 102 of described top layer pcb board 110 and an end of the lead of the described bottom pcb board metallization by being arranged on described epoxy glass cloth laminated board is connected, and the other end of the other end of the lead 102 of described top layer pcb board 110 and the lead of described bottom pcb board is as terminals.
Further among the embodiment, have stability and consistency in order to make this coil more, described lead is around shape and evenly is printed on the described pcb board.
Further among the embodiment, in order to increase sensitivity, the lead 102 on the described pcb board is in series by a plurality of PCB coils.
The PCB that the utility model embodiment provides (printed circuit board) Rockwell coil is evenly densely covered some wide leads on the pcb board of circle, top layer is connected by via hole with bottom to be finished, and top layer, bottom respectively draw a leading-out terminal, in order to increase sensitivity, several PCB coils can be together in series.Because wiring by machine plate-making, the uniformity of lines and consistency all are better than coiled wire-wound coil greatly, thereby have improved the stability and the consistency of device.
More than a kind of electronic current mutual inductor that the utility model embodiment is provided with PCB Rockwell coil be described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, part in specific embodiments and applications all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (3)
1. the electronic current mutual inductor with PCB Rockwell coil comprises PCB Rockwell coil, it is characterized in that, described PCB Rockwell coil comprises: the epoxy glass cloth laminated board of ring shape, lead are printed on and form pcb board on the pcb board; Described pcb board is two-layer, comprise bottom pcb board and top layer pcb board, cover the two sides of described epoxy glass cloth laminated board respectively, the hole of the metallization of one end of one end of the lead of described top layer pcb board and the lead of described bottom pcb board by being arranged on described epoxy glass cloth laminated board is connected, and the other end of the lead of the other end of the lead of described top layer pcb board and described bottom pcb board is as terminals.
2. according to claim 1 with the electronic current mutual inductor of PCB Rockwell coil, it is characterized in that described lead is around shape and evenly is printed on the described pcb board.
3. according to claim 1 with the electronic current mutual inductor of PCB Rockwell coil, it is characterized in that the lead on the described pcb board is in series by a plurality of PCB coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202610497U CN201556524U (en) | 2009-12-04 | 2009-12-04 | Electronic type current transformer with PCB Rockwell coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202610497U CN201556524U (en) | 2009-12-04 | 2009-12-04 | Electronic type current transformer with PCB Rockwell coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201556524U true CN201556524U (en) | 2010-08-18 |
Family
ID=42616213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202610497U Expired - Fee Related CN201556524U (en) | 2009-12-04 | 2009-12-04 | Electronic type current transformer with PCB Rockwell coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201556524U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048509A (en) * | 2011-10-12 | 2013-04-17 | 施尼温特有限两合公司 | Current measuring coil for measuring current in conductor |
| CN103369856A (en) * | 2013-07-11 | 2013-10-23 | 优利德科技(中国)有限公司 | Method for manufacturing PCB coil clamp head and PCB coil clamp head |
| CN106370894A (en) * | 2016-11-15 | 2017-02-01 | 威胜电气有限公司 | Open type Rogowski wire coil and application thereof |
| CN106409489A (en) * | 2016-08-23 | 2017-02-15 | 珠海瑞捷电气股份有限公司 | Small digitized mutual inductor |
-
2009
- 2009-12-04 CN CN2009202610497U patent/CN201556524U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048509A (en) * | 2011-10-12 | 2013-04-17 | 施尼温特有限两合公司 | Current measuring coil for measuring current in conductor |
| CN103369856A (en) * | 2013-07-11 | 2013-10-23 | 优利德科技(中国)有限公司 | Method for manufacturing PCB coil clamp head and PCB coil clamp head |
| CN103369856B (en) * | 2013-07-11 | 2016-08-10 | 优利德科技(中国)有限公司 | The preparation method of a kind of PCB coil binding clip and PCB coil binding clip |
| CN106409489A (en) * | 2016-08-23 | 2017-02-15 | 珠海瑞捷电气股份有限公司 | Small digitized mutual inductor |
| CN106370894A (en) * | 2016-11-15 | 2017-02-01 | 威胜电气有限公司 | Open type Rogowski wire coil and application thereof |
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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: 20100818 Termination date: 20171204 |