CN111403142A - Current transformer with high IP protection grade and applicable to gas insulated high-voltage switch cabinet - Google Patents
Current transformer with high IP protection grade and applicable to gas insulated high-voltage switch cabinet Download PDFInfo
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- CN111403142A CN111403142A CN202010233058.6A CN202010233058A CN111403142A CN 111403142 A CN111403142 A CN 111403142A CN 202010233058 A CN202010233058 A CN 202010233058A CN 111403142 A CN111403142 A CN 111403142A
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- current transformer
- secondary winding
- gas insulated
- transformer main
- voltage switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
Abstract
The invention discloses a current transformer with high IP protection grade for a gas insulated high-voltage switch cabinet, which comprises a current transformer main body, wherein epoxy resin is arranged outside the current transformer main body, a metal shielding net is arranged inside the epoxy resin, a first primary conductor, a second primary conductor, a first secondary winding and a second secondary winding are arranged inside the current transformer main body, the first primary conductor is positioned at one end of the second primary conductor, the first secondary winding comprises a first iron core, and the second secondary winding comprises a second iron core. The current transformer with high IP protection level for the gas insulated high-voltage switch cabinet is provided with the epoxy resin and the metal shielding net, the protection level of the current transformer can be increased, equipment can normally work for at least 30 minutes underwater, the outer surface of a product can realize a safe and touchable function, and the current transformer is convenient to disassemble and assemble, simple and practical and brings better use prospect.
Description
Technical Field
The invention relates to the field of current transformers, in particular to a high-IP protection level current transformer for a gas insulated high-voltage switch cabinet.
Background
The current transformer is a key functional device for realizing measurement and protection of a power supply system, and in order to ensure safe and normal operation of the power supply system in an area often affected by flood, the high-voltage switch cabinet including the current transformer and other devices is required to have higher waterproof grade and safe use requirements, and along with the continuous development of science and technology, the requirements of people on the manufacturing process of the current transformer are higher and higher.
Present current transformer has certain drawback when using, at first, traditional current transformer can not be fine carry out waterproof operation, and inside wets and causes dangerous condition such as short circuit easily, is unfavorable for people's use, and in addition, traditional current transformer installation probably is comparatively complicated, and difficult dismantlement has brought certain adverse effect for people's use, for this reason, we provide a current transformer that can be used to gas insulated high tension switchgear's high IP protection level.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the current transformer with the high IP protection level for the gas insulated high-voltage switch cabinet, which has the advantages that the protection level of the current transformer is increased, the equipment can normally work for at least 30 minutes underwater, can be normally put into operation after being soaked in water and dried, the outer surface of a product realizes a safe and touchable function, is convenient to disassemble and assemble, is simple and practical, and the like, and can effectively solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a can be used to high IP protection level's of gas insulated high tension switchgear current transformer, includes the current transformer main part, the outside of current transformer main part is provided with epoxy, epoxy's inside is provided with metallic shield net, the inside of current transformer main part is provided with a primary conductor, No. two primary conductors, a secondary winding and No. two secondary winding, a primary conductor is located the one end of No. two primary conductors, a secondary winding includes an iron core, No. two secondary winding includes No. two iron cores, a secondary winding passes a primary winding with No. two secondary winding.
Preferably, the upper end of the current transformer main body is provided with an installation aluminum plate, one side of the current transformer main body is provided with a secondary junction box, one side of the secondary junction box is provided with a secondary lead, and the lower end of the current transformer main body is provided with an installation steel plate.
Preferably, the epoxy resin, the metal shielding net and the current transformer main body are formed through pouring and sealing, and the first secondary winding and the second secondary winding are poured in the epoxy resin.
Preferably, the current transformer main part is connected with the user cabinet body through an installation aluminum plate, and the installation aluminum plate is fixedly connected with the metal insert on the epoxy casting body through a plurality of bolts.
Preferably, a fixing screw is arranged between the current transformer main body and the secondary junction box, and one side of the current transformer main body is fixedly connected with one side of the secondary junction box through the fixing screw.
Preferably, a plurality of bolts are arranged between the current transformer main body and the installation steel plate, and the lower end of the current transformer main body is fixedly connected with the upper end of the installation steel plate through the bolts.
(III) advantageous effects
Compared with the prior art, the invention provides the current transformer with high IP protection grade for the gas-insulated high-voltage switch cabinet, which has the following beneficial effects: the current transformer with high IP protection grade for the gas insulated high-voltage switch cabinet can increase the protection grade of the current transformer through the resin and the shielding net, the equipment can normally work for at least 30 minutes under water, can normally put into operation after being soaked in water and can be dried, the outer surface of the product can realize the safe touch function, the installation is simpler, the replacement is convenient, the use effect is increased, the main body outside the device is the resin, most mutual inductive elements are sealed inside the device by the resin type material, the shielding net film is also positioned inside the resin type material, the waterproof effect is better, through installation aluminum plate and resin, shielding net convenience install fixedly to the device, make device work more stable, the people's of being convenient for use, the signal reception operation is carried out with the secondary lead wire is convenient better to the secondary terminal box, whole current transformer simple structure, convenient operation, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a schematic structural diagram of an overall cross-sectional view of a high IP protection level current transformer applicable to a gas insulated high voltage switchgear according to the present invention.
Fig. 2 is a schematic structural diagram of a front view of a high IP protection level current transformer applicable to a gas insulated high voltage switchgear according to the present invention.
Fig. 3 is a schematic structural diagram of a bottom view of a high IP protection level current transformer applicable to a gas insulated high voltage switchgear according to the present invention.
Fig. 4 is a schematic structural diagram of a side view of a high IP protection level current transformer applicable to a gas insulated high voltage switchgear according to the present invention.
Fig. 5 is a schematic structural diagram of a top view of a current transformer with high IP protection class for a gas insulated high voltage switchgear according to the present invention.
In the figure: 1. a current transformer body; 2. mounting an aluminum plate; 3. a first primary conductor; 4. a first secondary winding; 5. a metal shielding mesh; 6. a second primary conductor; 7. a first iron core; 8. a primary winding; 9. a second secondary winding; 10. a second iron core; 11. an epoxy resin; 12. a secondary junction box; 13. a secondary lead; 14. and (5) installing a steel plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, a current transformer with high IP protection level for a gas insulated high voltage switch cabinet comprises a current transformer body 1, an epoxy resin 11 is arranged outside the current transformer body 1, a metal shielding net 5 is arranged inside the epoxy resin 11, a first primary conductor 3, a second primary conductor 6, a first secondary winding 4 and a second secondary winding 9 are arranged inside the current transformer body 1, the first primary conductor 3 is located at one end of the second primary conductor 6, the first secondary winding 4 comprises a first iron core 7, the second secondary winding 9 comprises a second iron core 10, the first secondary winding 4 passes through the primary winding 8, and the first secondary winding 4 and the second secondary winding 9 pass through the primary winding 8.
The first embodiment is as follows: as shown in fig. 1, the epoxy resin 11 is arranged outside the current transformer body 1, the metal shielding net 5 is arranged inside the epoxy resin 11, the metal shielding net 5 and the current transformer body 1 are sealed and formed through pouring, the first secondary winding 4 and the second secondary winding 9 are poured in the epoxy resin 11, the protection grade of the current transformer can be increased, the equipment can normally work for 30 minutes underwater at least, the equipment can normally work after being soaked in water, the equipment can normally work after being dried, and the outer surface of the product can realize a safe touch function.
Example two: as shown in fig. 1, the upper end of current transformer main part 1 is provided with installation aluminum plate 2, one side of current transformer main part 1 is provided with secondary terminal box 12, one side of secondary terminal box 12 is provided with secondary lead 13, the lower extreme of current transformer main part 1 is provided with installation steel sheet 14, current transformer main part 1 is connected with the user's cabinet body through installation aluminum plate 2, installation aluminum plate 2 is through the metal inserts fixed connection on a plurality of bolts and the epoxy casting body, be provided with a plurality of bolts between current transformer main part 1 and the installation steel sheet 14, the lower extreme of current transformer main part 1 is through the upper end fixed connection of a plurality of bolts and installation steel sheet 14, be convenient for install, and is simple and practical.
The working principle is as follows: the invention comprises a current transformer body 1, an installation aluminum plate 2, a first primary conductor 3, a first secondary winding 4, a metal shielding net 5, a second primary conductor 6, a first iron core 7, a primary winding 8, a second secondary winding 9, a second iron core 10, epoxy resin 11, a secondary junction box 12 and a secondary lead 13, when in use, the device is convenient to install and fix by installing the aluminum plate 2, so that the device works more stably and is convenient for people to use, the secondary junction box 12 and the secondary lead 13 are convenient to better perform signal receiving operation, the protection grade of the current transformer can be increased by using the epoxy resin 11 and the metal shielding net 5, the equipment can normally work for at least 30 minutes under water, can normally put into operation after being soaked in water and dried, the outer surface of the product can realize a safe and touch function, the main body outside the device is the epoxy resin 11, most mutual inductance elements are sealed inside the epoxy resin 11, inside metal shielding net 5 was located epoxy 11, water-proof effects was better, and the operation of being convenient for is equipped with two electrodes on the installation aluminum plate 2, connects primary conductor 3 and No. two primary conductors 6 respectively, and is simpler, simple to operate.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a can be used to high IP protection level's of gas insulated high tension switchgear current transformer, includes current transformer main part (1), its characterized in that: the outside of current transformer main part (1) is provided with epoxy (11), the inside of epoxy (11) is provided with metallic shield net (5), the inside of current transformer main part (1) is provided with primary conductor (3), No. two primary conductors (6), secondary winding (4) and No. two secondary winding (9), primary conductor (3) is located the one end of No. two primary conductors (6), No. one secondary winding (4) includes iron core (7), No. two secondary winding (9) includes No. two iron core (10), No. one secondary winding (4) and No. two secondary winding (9) pass primary winding (8).
2. The current transformer with high IP protection level for the gas insulated high voltage switch cabinet according to claim 1, characterized in that: the upper end of current transformer main part (1) is provided with installation aluminum plate (2), one side of current transformer main part (1) is provided with secondary terminal box (12), one side of secondary terminal box (12) is provided with secondary lead (13), the lower extreme of current transformer main part (1) is provided with installation steel sheet (14).
3. The current transformer with high IP protection level for the gas insulated high voltage switch cabinet according to claim 1, characterized in that: the current transformer is characterized in that the epoxy resin (11), the metal shielding net (5) and the current transformer body (1) are formed through pouring and sealing, and the first secondary winding (4) and the second secondary winding (9) are poured in the epoxy resin (11).
4. The current transformer with high IP protection level for the gas insulated high voltage switch cabinet according to claim 1, characterized in that: the current transformer main part (1) is connected with a user cabinet body through an installation aluminum plate (2), and the installation aluminum plate (2) is fixedly connected with a metal insert on the epoxy casting body through a plurality of bolts.
5. The current transformer with high IP protection level for the gas insulated high voltage switch cabinet according to claim 1, characterized in that: a fixing screw is arranged between the current transformer main body (1) and the secondary junction box (12), and one side of the current transformer main body (1) is fixedly connected with one side of the secondary junction box (12) through the fixing screw.
6. The current transformer with high IP protection level for the gas insulated high voltage switch cabinet according to claim 1, characterized in that: a plurality of bolts are arranged between the current transformer main body (1) and the installation steel plate (14), and the lower end of the current transformer main body (1) is fixedly connected with the upper end of the installation steel plate (14) through the bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233058.6A CN111403142A (en) | 2020-03-29 | 2020-03-29 | Current transformer with high IP protection grade and applicable to gas insulated high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233058.6A CN111403142A (en) | 2020-03-29 | 2020-03-29 | Current transformer with high IP protection grade and applicable to gas insulated high-voltage switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN111403142A true CN111403142A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010233058.6A Pending CN111403142A (en) | 2020-03-29 | 2020-03-29 | Current transformer with high IP protection grade and applicable to gas insulated high-voltage switch cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466637A (en) * | 2020-11-27 | 2021-03-09 | 上海平高天灵开关有限公司 | Aerify with whole mounting structure of built-in mutual-inductor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202352504U (en) * | 2011-11-14 | 2012-07-25 | 江苏靖江互感器厂有限公司 | Multifunctional current transformer |
| CN203055648U (en) * | 2013-01-23 | 2013-07-10 | 大连中广互感器制造有限公司 | Current mutual inductor used for high-pressure soft boot of light rail |
| CN204577237U (en) * | 2015-04-21 | 2015-08-19 | 大连金业电力设备有限公司 | Indoor Large Copacity anti-fouling type dry-type voltage inductor |
| CN108461266A (en) * | 2018-03-15 | 2018-08-28 | 大连北方互感器集团有限公司 | A kind of current transformer with low pressure shielding |
| CN111341524A (en) * | 2020-03-06 | 2020-06-26 | 广东得成科技有限公司 | Current transformer with high IP protection level |
-
2020
- 2020-03-29 CN CN202010233058.6A patent/CN111403142A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202352504U (en) * | 2011-11-14 | 2012-07-25 | 江苏靖江互感器厂有限公司 | Multifunctional current transformer |
| CN203055648U (en) * | 2013-01-23 | 2013-07-10 | 大连中广互感器制造有限公司 | Current mutual inductor used for high-pressure soft boot of light rail |
| CN204577237U (en) * | 2015-04-21 | 2015-08-19 | 大连金业电力设备有限公司 | Indoor Large Copacity anti-fouling type dry-type voltage inductor |
| CN108461266A (en) * | 2018-03-15 | 2018-08-28 | 大连北方互感器集团有限公司 | A kind of current transformer with low pressure shielding |
| CN111341524A (en) * | 2020-03-06 | 2020-06-26 | 广东得成科技有限公司 | Current transformer with high IP protection level |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466637A (en) * | 2020-11-27 | 2021-03-09 | 上海平高天灵开关有限公司 | Aerify with whole mounting structure of built-in mutual-inductor |
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Application publication date: 20200710 |