CN204302334U - A kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field - Google Patents
A kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field Download PDFInfo
- Publication number
- CN204302334U CN204302334U CN201420786359.1U CN201420786359U CN204302334U CN 204302334 U CN204302334 U CN 204302334U CN 201420786359 U CN201420786359 U CN 201420786359U CN 204302334 U CN204302334 U CN 204302334U
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- China
- Prior art keywords
- magnetoelectric transducer
- protecting sheathing
- holddown groove
- switchgear
- utility
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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 device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field; comprise protecting sheathing; this protecting sheathing is wound around by a strip metal conductor; this metallic conductor rule is wound around and is close on described protecting sheathing; described protecting sheathing center has a holddown groove; be provided with a magnetoelectric transducer in this holddown groove, this magnetoelectric transducer is close in described holddown groove, and the shape of described holddown groove and described magnetoelectric transducer, size and size match.Described metallic conductor is strip.Described protecting sheathing adopts solid insulation material.Described protecting sheathing is a solid construction.The utility model can make magnetoelectric transducer while being fixed, magnetoelectric transducer is made to avoid directly by high-voltage impact, form power circuit by the two ends of metallic conductor simultaneously, effectively can limit magnetic field range, prevent alternate the interfering with each other of switchgear three, to improve accurate measurement, its structure of the utility model is simple, easy to use.
Description
Technical field
The utility model relates to a kind of switchgear operative installations, especially relates to a kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field.
Background technology
As everyone knows, magnetoelectric transducer is the inherent requirement of development intelligent grid, and the converting equipment used in the high-tension switch gear that current power grid user end uses is that volume is large, cost is high, the transformer of Heavy Weight mostly.And use that volume is little, cost is low, lightweight magnetoelectric transducer, compared with traditional transformer, integrated cost can be made to reduce about 50%.Simultaneously magnetoelectric transducer have high accuracy, passive, non-cpntact measurement advantage, make switchgear power transformation measurement have more reliability and metering system diversity.
Usually, in normal operation, the female board of three-phase is energized high-tension switch gear simultaneously, and the magnetic field produced raises with electric current and strengthens, and the high sensitivity that magnetoelectric transducer has can be subject to three alternate magnetic interference, causes the data-signal that collects inaccurate.
Utility model content
The utility model discloses a kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field, for solving in prior art, three phased magnetic fields mutually disturb and cause the problem that magnetoelectric transducer cannot accurately be measured.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field; comprise protecting sheathing; this protecting sheathing is wound around by a strip metal conductor; this metallic conductor rule is wound around and is close on described protecting sheathing; described protecting sheathing center has a holddown groove; be provided with a magnetoelectric transducer in this holddown groove, this magnetoelectric transducer is close in described holddown groove, and the shape of described holddown groove and described magnetoelectric transducer, size and size match.
Further, described metallic conductor is strip.
Further, described protecting sheathing adopts solid insulation material.
Further, described protecting sheathing is a solid construction.
Principle: the utility model can make magnetoelectric transducer while being fixed, magnetoelectric transducer is made to avoid directly by high-voltage impact, form power circuit by the two ends of metallic conductor simultaneously, effectively can limit magnetic field range, prevent alternate the interfering with each other of switchgear three, to improve accurate measurement, its structure of the utility model is simple, easy to use.
Accompanying drawing explanation
Fig. 1 is the overall appearance structural representation of the utility model embodiment.
Fig. 2 is the side view of the utility model embodiment.
Each symbology in figure: 1. protecting sheathing; 2. metallic conductor; 3. holddown groove; 4. magnetoelectric transducer.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated: the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, 2, figure comprises protecting sheathing 1, and protecting sheathing 1 external application one strip metal conductor 2 is wound around, and protecting sheathing 1 center has holddown groove 3, is provided with a magnetoelectric transducer 4 in holddown groove 3.
In specific embodiment of the utility model, metallic conductor 2 is close to protecting sheathing 1, and in protecting sheathing 1 center, have holddown groove 3 according to the shape of magnetoelectric transducer 4, size and size, magnetoelectric transducer 4 is close in holddown groove 3.
In specific embodiment of the utility model, metallic conductor 2 can only be one, and metallic conductor 2 is in strip.
In specific embodiment of the utility model, protecting sheathing 1 adopts solid insulation material.
In specific embodiment of the utility model, protecting sheathing 1 drives holddown groove 3 according to the shape of magnetoelectric transducer 4, size and size, and magnetoelectric transducer is directly fixed in protecting sheathing 1.
In specific embodiment of the utility model, in the space between metallic conductor 2 and protecting sheathing 1, between protecting sheathing 1 and holddown groove 3, between holddown groove 3 and magnetoelectric transducer 4, there is no filler.
In sum, a kind of device for the interference of magnetoelectric transducer shielding external magnetic field of the utility model, effectively outside magnetoelectric transducer, be provided with screening can, magnetoelectric transducer is fixed and makes magnetoelectric transducer avoid directly by high-voltage impact simultaneously, form power circuit by the two ends of metallic conductor simultaneously, effectively can limit magnetic field range, prevent alternate the interfering with each other of switchgear three, to improve accurate measurement, its construction is simple, easy to use.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field; it is characterized in that; comprise protecting sheathing; this protecting sheathing is wound around by a strip metal conductor; this metallic conductor rule is wound around and is close on described protecting sheathing, and described protecting sheathing center has a holddown groove, is provided with a magnetoelectric transducer in this holddown groove; this magnetoelectric transducer is close in described holddown groove, and the shape of described holddown groove and described magnetoelectric transducer, size and size match.
2. a kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field according to claim 1, it is characterized in that, described metallic conductor is strip.
3. a kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field according to claim 1, it is characterized in that, described protecting sheathing is a solid construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420786359.1U CN204302334U (en) | 2014-12-11 | 2014-12-11 | A kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420786359.1U CN204302334U (en) | 2014-12-11 | 2014-12-11 | A kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302334U true CN204302334U (en) | 2015-04-29 |
Family
ID=53107865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420786359.1U Expired - Fee Related CN204302334U (en) | 2014-12-11 | 2014-12-11 | A kind of device based on the interference of magnetoelectric transducer switchgear shielding external magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204302334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140571A (en) * | 2015-08-13 | 2015-12-09 | 上海航天电源技术有限责任公司 | Lithium-ion battery pack system with high electromagnetic compatibility |
-
2014
- 2014-12-11 CN CN201420786359.1U patent/CN204302334U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140571A (en) * | 2015-08-13 | 2015-12-09 | 上海航天电源技术有限责任公司 | Lithium-ion battery pack system with high electromagnetic compatibility |
| CN105140571B (en) * | 2015-08-13 | 2017-11-28 | 上海航天电源技术有限责任公司 | A kind of lithium ion battery pack system with high electrical-magnetic compatibility energy |
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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: 20150429 Termination date: 20201211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |