CN207381213U - A kind of auto-transformer for connection - Google Patents

Abstract

The utility model discloses a kind of auto-transformers for connection,Including transformer tank,Case lid and several fixed screws in symmetric arrays are respectively equipped at the top of the transformer tank,The case lid is fixedly connected with the transformer tank by the fixed screw,The transformer tank is internally provided with buffer layer,The buffer layer is bolted to connection with the transformer tank,The top of the buffer layer is equipped with scrap collecting layer,The scrap collecting layer is fixed by screws with the buffer layer,The top of the scrap collecting layer is equipped with iron core,The both sides of the iron core are respectively equipped with primary coil and secondary coil,The side of the scrap collecting layer is respectively equipped with the first binding post and the second binding post,Auto-transformer stability of this kind for connection is good,And it is easily installed,It is and cheap,Have a vast market prospect and application prospect.

Description

A kind of auto-transformer for connection

Technical field

The utility model is related to auto-transformer technical fields, are specially a kind of auto-transformer for connection.

Background technology

So-called auto-transformer, is transformer of the primary and secondary on same winding, can be also subdivided into according to structure Pressure adjustable type and fixed, since the calculating capacity of auto-transformer is less than rated capacity so under same rated capacity, The key dimension of auto-transformer is smaller, and effective material and structural material are all accordingly reduced, so as to reduce cost, effective material Reduction copper loss and iron loss are also accordingly reduced, therefore the efficiency of auto-transformer is higher, simultaneously because the diminution of key dimension With the reduction of quality, the transformer of individual capacity bigger can be manufactured under the traffic condition allowed, but usually in self coupling transformation When there was only k≤2 in device, above-mentioned advantage is just apparent, since the short-circuit impedance perunit value of auto-transformer is smaller than two-winding transformer, Therefore voltage change ratio is smaller, but short circuit current flow is larger, due to there is the direct contact of electricity between auto-transformer first and second, works as height It can cause the serious overvoltage of low-pressure side when pressing side overvoltage, in order to avoid this danger, first and second must all install arrester, Not think first and second winding be series connection, once filled, it is secondary can omit, in general transformer, on-load voltage regulating device It is often connected on the neutral point of ground connection, the voltage class of such regulator can be lower than in line end pressure regulation, and self coupling becomes Depressor neutral point pressure regulation side can bring so-called related pressure regulation problem, it is therefore desirable to during auto-transformer on-load voltage regulation, can only adopt With line end voltage regulating mode.

But existing auto-transformer antijamming capability is not strong, and stability is bad in use for device, causes Device internal unit is easily damaged, and so as to shorten reprocessing the cycle for device, on the other hand, device is inconvenient to overhaul, and causes every The time that secondary apparatus for examination and repair is spent increases.

So how to design a kind of auto-transformer for connection, becoming us will currently solve the problems, such as.

Utility model content

The purpose of this utility model is to provide a kind of auto-transformer for connection, to solve in above-mentioned background technology The problem of proposition.

To achieve the above object, the utility model provides following technical solution：A kind of auto-transformer for connection, bag Transformer tank is included, case lid and several fixed screws in symmetric arrays, the case lid are respectively equipped at the top of the transformer tank It is fixedly connected with the transformer tank by the fixed screw, the transformer tank is internally provided with buffer layer, the damping Layer is bolted to connection with the transformer tank, and the top of the buffer layer is equipped with scrap collecting layer, the scrap collecting Layer is fixed by screws with the buffer layer, and the top of the scrap collecting layer is equipped with iron core, the both sides point of the iron core Not She You primary coil and secondary coil, the side of the scrap collecting layer is respectively equipped with the first binding post and the second binding post, First binding post and second binding post are bolted to connection with the buffer layer, the bottom of the transformer tank Portion is equipped with several pedestals in symmetric arrays, and the pedestal is welded with the transformer tank.

Further, the one side of the transformer tank is equipped with first through hole, and the first through hole is disposed through the change The inside of depressor case, and be fixedly connected with the transformer tank.

Further, the top of the case lid is equipped with several hanging rings in symmetric arrays, and the hanging ring is welded with the case lid It connects.

Further, the pedestal is internally provided with several the second through holes in symmetric arrays, and second through hole runs through It is arranged at the inside of the pedestal.

Further, the both sides of the buffer layer are equipped with side plate, and the side plate is consolidated with the transformer tank by screw Fixed connection.

Compared with prior art, the beneficial effects of the utility model are：This kind is used for the auto-transformer of connection, because The both sides of buffer layer are provided with side plate, and side plate is fixed by screws with transformer tank, so can be with the anti-of intensifier Interference performance, and several hanging rings in symmetric arrays are provided at the top of case lid, hanging ring facilitates fixing device, so improves The stability of device in use, so as to increasing reprocessing the cycle for device, on the other hand, due in transformer tank Top is respectively provided with case lid and several fixed screws in symmetric arrays so that it is convenient to apparatus for examination and repair, so as to shorten maintenance The time of device.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the transformer tank partial structural diagram of the utility model；

In figure：1- transformer tanks；2- case lids；3- fixed screws；4- hanging rings；5- first through hole；6- pedestals；7- second is logical Hole；8- side plates；9- buffer layers；10- scrap collecting layers；11- iron cores；12- primary coils；13- secondary coils；The first wiring of 14- Column；The second binding posts of 15-.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of auto-transformer for connection, including Transformer tank 1, the top of the transformer tank 1 are respectively equipped with case lid 2 and several fixed screws 3 in symmetric arrays, the case Lid 2 is fixedly connected with the transformer tank 1 by the fixed screw 3, and the transformer tank 1 is internally provided with buffer layer 9, institute It states buffer layer 9 to be bolted to connection with the transformer tank 1, the top of the buffer layer 9 is equipped with scrap collecting layer 10, institute Scrap collecting layer 10 to be stated to be fixed by screws with the buffer layer 9, the top of the scrap collecting layer 10 is equipped with iron core 11, The both sides of the iron core 11 are respectively equipped with primary coil 12 and secondary coil 13, and the side of the scrap collecting layer 10 is respectively equipped with First binding post 14 and the second binding post 15, first binding post 14 and second binding post 15 with the buffer layer 9 Be bolted to connection, the bottom of the transformer tank 1 is equipped with several pedestals 6 in symmetric arrays, the pedestal 6 with it is described Transformer tank 1 welds.

Further, the one side of the transformer tank 1 is equipped with first through hole 5, and the first through hole 5 is disposed through described The inside of transformer tank 1, and be fixedly connected with the transformer tank 1, the first through hole 5 facilitates connecting line to enter transformer tank 1 inside.

Further, the top of the case lid 2 is equipped with several hanging rings 4 in symmetric arrays, the hanging ring 4 and the case lid 2 welding, the hanging ring 4 facilitates fixing device, so as to improve the stability of device in use.

Further, the pedestal 6 is internally provided with several the second through holes 7 in symmetric arrays, and second through hole 7 passes through The inside for being placed in the pedestal 6 is worn, second through hole 7 facilitates the fixed position of determining device.

Further, the both sides of the buffer layer 9 are equipped with side plate 8, and the side plate 8 passes through spiral shell with the transformer tank 1 Silk is fixedly connected, and the side plate 8 can be with the antijamming capability of intensifier.

Operation principle：First, transformer tank 1 is moved to installation place, then by screw through the second through hole 7, then the bottom of by Seat 6 is fixed with the outer equipment that connects, so can the accurate fixed position of determining device, then unload case lid 2, reexamine transformation The fixing situation of 1 internal unit of device case, after having checked, by connecting line through first through hole 5, then by connecting line and the first wiring 14 and second binding post 15 of column connects, and is then fixed case lid 2 and transformer tank 1 using fixed screw 3, then will using screw Hanging ring 4 is fixed with outer connection equipment, can so improve the stability of device in use, device in use, In use, extract a part of wire turn out from winding as secondary winding, make when as step-down transformer when as step-up transformer Used time, applied voltage be only added in winding-part wire turn on, the buffer layer 9 set inside transformer tank 1 can protect change Equipment inside depressor case 1, and side plate 8 is provided in the both sides of buffer layer 9, side plate 8 can be with the anti-interference of intensifier Ability.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of auto-transformer for connection, including transformer tank (1), it is characterised in that：The top of the transformer tank (1) Portion is respectively equipped with case lid (2) and several fixed screws (3) in symmetric arrays, and the case lid (2) is logical with the transformer tank (1) The fixed screw (3) is crossed to be fixedly connected, the transformer tank (1) is internally provided with buffer layer (9), the buffer layer (9) with The transformer tank (1) is bolted to connection, and the top of the buffer layer (9) is equipped with scrap collecting layer (10), described broken Bits collecting layer (10) are fixed by screws with the buffer layer (9), and the top of the scrap collecting layer (10) is equipped with iron core (11), the both sides of the iron core (11) are respectively equipped with primary coil (12) and secondary coil (13), the scrap collecting layer (10) Side be respectively equipped with the first binding post (14) and the second binding post (15), first binding post (14) and second wiring Column (15) is bolted to connection with the buffer layer (9), and it is in symmetrical row that the bottom of the transformer tank (1), which is equipped with several, The pedestal (6) of row, the pedestal (6) are welded with the transformer tank (1).

2. a kind of auto-transformer for connection according to claim 1, it is characterised in that：The transformer tank (1) One side be equipped with first through hole (5), the first through hole (5) is disposed through the inside of the transformer tank (1), and with it is described Transformer tank (1) is fixedly connected.

3. a kind of auto-transformer for connection according to claim 1, it is characterised in that：The top of the case lid (2) Portion is equipped with several hanging rings (4) in symmetric arrays, and the hanging ring (4) is welded with the case lid (2).

4. a kind of auto-transformer for connection according to claim 1, it is characterised in that：The pedestal (6) it is interior Portion is equipped with several the second through holes (7) in symmetric arrays, and second through hole (7) is disposed through the inside of the pedestal (6).

5. a kind of auto-transformer for connection according to claim 1, it is characterised in that：The buffer layer (9) Both sides are equipped with side plate (8), and the side plate (8) is fixed by screws with the transformer tank (1).