CN218100947U

CN218100947U - Universal voltage transformer for 20-35KV system

Info

Publication number: CN218100947U
Application number: CN202221549647.6U
Authority: CN
Inventors: 隋广君; 柳全仁; 隋国成; 姜婷婷; 吴秀娟; 郑军; 邵永强; 王玉; 姜福山; 于福生
Original assignee: Zhongguang Electric Appliance Co ltd
Current assignee: Zhongguang Electric Appliance Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-12-20
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a general type voltage transformer of 20-35KV system, including mounting plate, mounting plate's upper end fixedly connected with waters the body, a line has been installed to the inside of watering the body, the outside cover of a line is equipped with the secondary line, the outside coiling of secondary line has the iron core, the inside fixed mounting who waters the body has a support, the upper end fixedly connected with of a support is located waters an inside inserts of building, the upper end fixedly connected with of an inserts has a binding post. According to the 20-35KV system universal voltage transformer, the fixed terminal and the two movable terminals are arranged in the electricity larceny prevention protection cover, the terminals of the access circuit are changed, the switching between 20kV and 35kV can be realized, the direct switching between 20kV and 35kV can be realized without power outage, the transformer does not need to be replaced, and therefore the effects of convenience, safety, environmental protection, resource saving and cost reduction are achieved.

Description

Universal voltage transformer for 20-35KV system

Technical Field

The utility model relates to a mutual-inductor technical field specifically is a general type voltage transformer of 20-35KV system.

Background

The voltage transformer is similar to a transformer and is an instrument for converting voltage, but the purpose of converting voltage of the transformer is to conveniently transmit electric energy, so that the capacity is very large, and usually, kilovolt-ampere or megavolt-ampere is taken as a calculation unit; the purpose of voltage transformer transformation is mainly to supply power to a measuring instrument and a relay protection device, to measure the voltage, power and electric energy of a line, or to protect valuable equipment in the line when the line fails.

At present, in some areas of China, a 10kV power supply system is relatively stable and mature at present, and 20kV is gradually and comprehensively introduced, however, a power system is directly switched between 20kV and 35kV, power failure is usually required to be carried out, and an original transformer is replaced, so that not only can the loss of a user be caused by power failure, but also the waste of resources can be caused, the existing voltage transformer has certain limitation when in use, and the problem is solved by providing the 20-35kV system universal voltage transformer.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a 20-35KV system general type voltage transformer possesses advantages such as saving the resource, has solved the problem that causes the wasting of resources.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a general type voltage transformer of 20-35KV system, includes mounting plate, mounting plate's upper end fixedly connected with waters the body, the primary line has been installed to the inside of watering the body, the outside cover of primary line is equipped with the secondary line, the outside coiling of secondary line has the iron core, the inside fixed mounting who waters the body has a support, the upper end fixedly connected with of a support is located waters an inside inserts of building, binding post of the upper end fixedly connected with of an inserts, the anti-electricity-theft safety cover of the outside fixedly connected with who waters the body.

Furthermore, the number of the primary wiring terminals is two, and the two primary wiring terminals are respectively fixed on the left side and the right side of the top of the pouring body.

Furthermore, the anti-electricity-theft protection cover is internally provided with a fixed wiring terminal and two movable wiring terminals.

Furthermore, the upper end of mounting plate inlays and is equipped with the nut, two the nut is the equidistance symmetric distribution.

Furthermore, the primary wiring terminal is electrically connected with the primary wire through the primary insert and the primary support respectively.

Furthermore, the inside of mounting plate is seted up the fixed screw that quantity is four, four fixed screw is equidistance symmetric distribution.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this general type voltage transformer of 20-35KV system through being provided with a fixed terminal and two movable terminals in anti-electricity-theft protection cover, through changing the terminal that inserts the circuit, can realize the switching of 20kV and 35kV, and its main function is: the direct switching between 20kV and 35kV is realized without power failure, and the mutual inductor does not need to be replaced, so that the effects of convenience, safety, environmental protection, resource saving and cost reduction are achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1 iron core, 2 secondary lines, 3 primary supports, 4 primary inserts, 5 primary wiring terminals, 6 primary lines, 7 pouring bodies, 8 mounting bottom plates and 9 anti-electricity-theft protection covers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in the embodiment, the universal voltage transformer for 20-35KV systems includes an installation base plate 8, a casting body 7 is fixedly connected to an upper end of the installation base plate 8, nuts are embedded in the upper end of the installation base plate 8, the two nuts are symmetrically distributed at equal intervals, and mounting holes corresponding to the nuts are formed in the left side and the right side of the casting body 7, so as to strengthen the fixed connection between the casting body 7 and the installation base plate 8 through fixing screws.

The inside of the body of casting 7 has been installed primary line 6, the outside cover of primary line 6 is equipped with secondary line 2, the outside of secondary line 2 has iron core 1 of having wound, the inside fixed mounting of the body of casting 7 has primary support 3, the upper end fixedly connected with of primary support 3 is located the inside primary insert 4 of the body of casting 7, primary binding post 5 is connected with primary line 6 electricity through primary insert 4 and primary support 3 respectively, under the condition of guaranteeing the normal work of mutual-inductor, can save raw and other materials, reduce the time that the process consumes, and accelerate efficiency.

The upper end fixed connection of inserts 4 once has binding post 5, and the quantity of binding post 5 once is two, and two binding post 5 once are fixed respectively in the left and right sides at 7 tops of pouring the body, and the fixed screw that quantity is four is seted up to mounting plate 8's inside, and four fixed screws are equidistance symmetric distribution, make things convenient for operating personnel to carry out fixed mounting through mounting screw between coming mounting plate 8 and the ground.

The outer side of the casting body 7 is fixedly connected with an electricity larceny prevention protective cover 9, a fixed wiring terminal and two movable wiring terminals are arranged inside the electricity larceny prevention protective cover 9, when the movable wiring terminals of an access circuit need to be switched, the multi-transformation ratio conversion can be achieved.

In this embodiment, by changing the terminal of the access circuit, the switching between 20kV and 35kV can be realized, and its main function is: the direct switching between 20kV and 35kV is realized without power failure, and the mutual inductor does not need to be replaced, so that the effects of convenience, safety, environmental protection, resource saving and cost reduction are achieved.

The working principle of the above embodiment is as follows:

this product is realized through following mode, secondary line 2 and the 6 coiling of primary line are on 1 unshakable in one's determination, primary line 6 is connected with an inserts 4 through a support 3, it is used for the user to work a telephone switchboard to draw out through a binding post 5 at last, unshakable in one's determination and the 6 secondary line of primary line 2 all pour into a mould in pouring body 7, in order to prevent to steal electric secondary line 2 and installed anti-electricity-theft safety cover 9 outward again, install mounting plate 8 again in the mutual-inductor bottom for the convenience of the user installation at last, make the user pour into the body 7 convenient and labour saving and time saving more when mounting plate 8 or installation.

It is noted that, herein, relational terms such as first and second, 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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A20-35 KV system universal voltage transformer comprises a mounting bottom plate (8), and is characterized in that: the utility model discloses a building structure, including mounting plate (8), upper end fixedly connected with of mounting plate (8) waters body (7), the inside of watering body (7) is installed primary line (6), the outside cover of primary line (6) is equipped with secondary line (2), the outside of secondary line (2) has iron core (1) around the system, the inside fixed mounting who waters body (7) has primary support (3), the upper end fixedly connected with of primary support (3) is located waters inside inserts (4) of body (7), the upper end fixedly connected with of primary insert (4) has binding post (5), water the outside fixedly connected with anti-electricity-theft safety cover (9) of body (7).

2. The universal voltage transformer for 20-35KV systems according to claim 1, characterized in that: the number of the primary wiring terminals (5) is two, and the primary wiring terminals (5) are respectively fixed on the left side and the right side of the top of the pouring body (7).

3. The universal voltage transformer for 20-35KV systems according to claim 1, characterized in that: the anti-electricity-theft protection cover (9) is internally provided with a fixed wiring terminal and two movable wiring terminals.

4. The universal voltage transformer for 20-35KV systems according to claim 1, characterized in that: the upper end of the mounting bottom plate (8) is embedded with nuts, and the nuts are symmetrically distributed at equal intervals.

5. The universal voltage transformer for 20-35KV systems according to claim 1, characterized in that: the primary wiring terminal (5) is electrically connected with the primary wire (6) through the primary insert (4) and the primary support (3) respectively.

6. The universal voltage transformer for 20-35KV systems according to claim 1, characterized in that: the mounting base plate (8) is internally provided with four fixing screw holes which are symmetrically distributed at equal intervals.