CN215815570U - Full-shielding current and voltage combined mutual inductor - Google Patents
Full-shielding current and voltage combined mutual inductor Download PDFInfo
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- CN215815570U CN215815570U CN202121698280.XU CN202121698280U CN215815570U CN 215815570 U CN215815570 U CN 215815570U CN 202121698280 U CN202121698280 U CN 202121698280U CN 215815570 U CN215815570 U CN 215815570U
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Abstract
The utility model provides a full-shielding current-voltage combined type mutual inductor which comprises a mutual inductor, a sealing element, an installation support frame, a grounding bar and a low-voltage circuit breaker, wherein the mutual inductor is fixed on the installation support frame, the low-voltage end of the mutual inductor is grounded and is electrically connected with a cable bus connector, and a lifting ring on the mutual inductor is connected with a concrete base through a bolt of the installation support frame. The utility model has the beneficial effects that: the novel shielding device has the characteristics of comprehensive shielding, convenience and quickness in installation, safety and reliability in operation, high sealing performance and the like.
Description
Technical Field
The utility model relates to the technical field of high-voltage meters for cable laying lines in urban power distribution networks and metering electric energy at the tail ends of feeders or end users, in particular to the field of electronic transformers, and particularly relates to a full-shielding current-voltage combined transformer.
Background
With the rapid development of social economy and the continuous change of the market, the development of power enterprises is extremely rapid, especially the range of laying high-voltage cables is wider, and the high-voltage cables are also deeply built in many remote areas to provide a better power supply environment for people. The traditional metering mode generally adopts an isolated installation mode of a sensing measurement part and an electric energy measurement part, equipment such as a metering cabinet, a voltage transformer, a current transformer high-voltage electric energy meter and the like are generally provided by multiple manufacturers, and common phenomena such as unreasonable installation of the equipment, unmatched interfaces, irregular wiring and the like often occur; the whole high-voltage metering system has low installation efficiency, large volume, easy safety accidents during maintenance and repair and the like; therefore, there is a strong need for a safe, reliable, and convenient high-pressure metering system to meet the current user needs.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects pointed out by the prior art, the utility model provides a full-shielding current-voltage combined transformer which has the characteristics of small volume and strong sealing property. The method is realized by the following scheme:
the utility model provides a full shielding current-voltage combined transformer, includes mutual-inductor, sealing member, erection bracing frame, ground connection row and low-voltage circuit breaker, the mutual-inductor is fixed on erection bracing frame, its low pressure end ground connection to with cable bus connector electric connection, rings on the mutual-inductor pass through erection bracing frame and mix earth base bolted connection.
Furthermore, the mutual inductor adopts an outdoor epoxy resin vacuum casting three-phase integrated structure, and is designed with a metal outer shielding layer.
Furthermore, the mutual inductor comprises a plurality of current mutual inductors and voltage mutual inductors, and the current mutual inductors and the voltage mutual inductors are distributed at intervals.
Furthermore, the three-phase input and output ends of the mutual inductor are connected with interfaces through standard cable buses.
The utility model has the beneficial effects that: adopt three-phase combination one-piece formula current-voltage transformer, realize the full shielding effect through having the outer shielding layer of metal in the design of mutual-inductor main part, and have advantages such as small, light in weight, installation are convenient, operation safe and reliable, the leakproofness is strong.
Drawings
Fig. 1 is a schematic diagram of structural installation of a fully shielded current-voltage combined transformer.
Fig. 2 is a front view of the external form of the body of the fully shielded current-voltage combined transformer.
Fig. 3 is a side view of the external form of the body of the fully shielded current-voltage combined transformer.
Detailed Description
The present invention is further illustrated by the following examples, which are only a part of the examples of the present invention, and these examples are only for explaining the present invention and do not limit the scope of the present invention.
As shown in fig. 1, a fully shielded current-voltage combined transformer includes: a hoisting ring 1; a ground bar 2; a mutual inductor 3; an N end 4; mounting a support frame 5; a bolt 6; a concrete base 7; a cable bus connector 8; and a cable bus fixing frame 9.
In this embodiment, mutual-inductor 3 is fixed on erection bracing frame 5 to with N end 4 (being the low-voltage end)) ground connection, guarantee the safety of product, provide the fixed position of business turn over cable bus through cable bus mount 9, the interface and the cable bus connector 8 electric connection of mutual-inductor, the combination is as an organic whole, just rings 1 on the mutual-inductor pass through erection bracing frame 5 and mix earth base 7 bolted connection, make things convenient for the installation and the transport of product, also improve the overall stability of product.
In this embodiment, the mutual inductor is through adopting outdoor epoxy vacuum casting formula structure as an organic whole of three-phase to the design has the outer shielding layer of metal, the shielding layer adopts spraying process for prevent partial discharge.
In this embodiment, the transformers include a plurality of current transformers and voltage transformers, and the current transformers and the voltage transformers are distributed at intervals.
In this embodiment, the three-phase input and output terminals of the transformer are electrically connected to each other at the interface by using a standard cable bus connector.
The utility model is characterized in that: the three-phase combined current and voltage transformer main body and the components thereof are integrated, and the transformer has the characteristics of comprehensive shielding, convenience and quickness in installation, safety and reliability in operation, high sealing property and the like.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (4)
1. The utility model provides a full shielding current-voltage combined mutual inductor, its characterized in that includes mutual inductor, sealing member, erection bracing frame, ground bar and low voltage circuit breaker, the mutual inductor is fixed on erection bracing frame, its low pressure end ground connection to with cable bus connector electric connection, rings on the mutual inductor pass through erection bracing frame and mix earth base bolted connection.
2. The fully shielded current-voltage combined transformer according to claim 1, wherein the transformer is vacuum-cast in a three-phase integrated structure by using outdoor epoxy resin, and is designed with a metal outer shielding layer.
3. The fully shielded current-voltage combined transformer according to claim 1, wherein the transformer comprises a plurality of current transformers and voltage transformers, and the current transformers and the voltage transformers are spaced apart.
4. The fully shielded current-voltage combined transformer according to claim 1, wherein the three-phase input and output terminals of the transformer are connected by standard cable buses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121698280.XU CN215815570U (en) | 2021-07-26 | 2021-07-26 | Full-shielding current and voltage combined mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121698280.XU CN215815570U (en) | 2021-07-26 | 2021-07-26 | Full-shielding current and voltage combined mutual inductor |
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| Publication Number | Publication Date |
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| CN215815570U true CN215815570U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121698280.XU Active CN215815570U (en) | 2021-07-26 | 2021-07-26 | Full-shielding current and voltage combined mutual inductor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114914809A (en) * | 2022-07-14 | 2022-08-16 | 深圳市创银科技股份有限公司 | Floor type full-shielding sealed high-voltage electric energy metering cabinet |
-
2021
- 2021-07-26 CN CN202121698280.XU patent/CN215815570U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114914809A (en) * | 2022-07-14 | 2022-08-16 | 深圳市创银科技股份有限公司 | Floor type full-shielding sealed high-voltage electric energy metering cabinet |
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