CN217061692U - Transformer embeds mutual-inductor structure - Google Patents

Abstract

The utility model discloses a transformer built-in mutual inductor structure, which comprises a mutual inductor, insulating fixing pieces and a locking assembly, wherein the mutual inductor is arranged below a porcelain insulator, the mutual inductor is positioned in a transformer box body, the insulating fixing pieces are arranged at the upper end and the lower end of the mutual inductor, the locking assembly is arranged between the two insulating fixing pieces, the tail end of the locking assembly extends into the inner wall of the transformer, a fastening module for rapidly locking the multiple insulating fixing pieces is arranged on the locking assembly, a sealing assembly is arranged at the top of the insulating fixing piece at the top, and a gap between the mutual inductor and the transformer is sealed by the sealing assembly; the mutual inductor is arranged in the transformer, so that an oil way is not required to be added on the mutual inductor, the oil way on the mutual inductor can be prevented from extending outwards and being exposed outside the transformer, the damage to the oil way is avoided, the mutual inductor is positioned in a transformer box, the sealing condition is not required to be considered, and the installation and connection are simple.

Description

Transformer embeds mutual-inductor structure

Technical Field

The utility model relates to a transformer equipment field, concretely relates to built-in mutual-inductor structure of transformer.

Background

The top of the transformer of present transformer's mutual-inductor installation, when processing like this, because the mutual-inductor need cross oil and dispel the heat, need set up the oil duct outside the transformer like this, need guarantee like this that the oil duct of transformer outside can not produce the phenomenon of oil impregnate, the processing degree of difficulty of transformer increases like this with the also corresponding increase of processing cost, simultaneously at the in-process of transport, because oil pipe exposes outside the transformer, produces the condition of damaging oil pipe like this easily.

Disclosure of Invention

The utility model provides a not enough to above-mentioned prior art, the utility model provides a built-in mutual-inductor structure of transformer sets up the mutual-inductor in the transformer, need not to increase the oil circuit on the mutual-inductor like this, can avoid the oil circuit on the mutual-inductor to outwards extend and expose outside the transformer like this, avoids damaging the oil circuit, because the mutual-inductor is located the transformer case, need not to consider the sealed condition like this, installs simultaneously and is connected simple relatively.

In order to achieve the above purpose, the utility model discloses a scheme: the utility model provides a built-in mutual-inductor structure of transformer, including the mutual-inductor, insulating stationary blade and locking subassembly, the mutual-inductor sets up in the below of vase and the mutual-inductor is located the transformer box, both ends are provided with insulating stationary blade about the mutual-inductor, the end that is provided with locking subassembly and locking subassembly between two insulating stationary blades stretches into on the transformer inner wall, be provided with the fastening module who carries out quick locking to insulating stationary blade on the locking subassembly, be provided with seal assembly in the top that is located the insulating stationary blade in top, seal up the clearance between mutual-inductor and the transformer through seal assembly.

Preferably, the upper end and the lower end of the mutual inductor are both provided with step surfaces extending outwards, the insulating fixing pieces are provided with embedded grooves corresponding to the mutual inductor, the step surfaces of the mutual inductor are embedded into the grooves, and the mutual inductor is clamped through the two insulating fixing pieces; the locking subassembly is fixed for the terminal of screw rod and screw rod stretches into the realization on the transformer box inner wall, and it has the confession screw rod to pass the through-hole to open on every insulating fixed sheet, and the cover comprises a plurality of fastening module on the screw rod, and fastening module compresses tightly fixedly for nut and every insulating fixed sheet through two nuts promptly, the installation of the mutual-inductor of being convenient for like this.

Preferably, a first cushion pad is provided in each groove and a second cushion pad of the transformer is pressed against the first cushion pad, thus preventing the transformer from being pressed and deformed by the insulating fixing pieces when being installed.

Compared with the prior art, the utility model has the advantages of: 1. the mutual inductor is arranged in the transformer, so that an oil way does not need to be added outside the mutual inductor, the oil way on the mutual inductor does not need to be extended outwards and exposed outside the transformer, the damage to the oil way is avoided, the mutual inductor is positioned in a transformer box, the sealing condition does not need to be considered, and the mutual inductor is simple to install and connect.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

The transformer comprises a transformer body 1, a transformer body 1.1, a step surface 2, an insulating fixing piece 2.1, an embedded groove 2.2, a first cushion pad 2.3, a second cushion pad 3, a locking assembly 3.1, a screw rod 3.2, a fastening module 3.3, a nut 4 and a sealing assembly.

Detailed Description

The present invention will now be further elucidated with reference to the accompanying drawings.

As shown in fig. 1-2, a transformer built-in transformer 1 structure comprises a transformer 1, insulating fixing pieces 2 and locking components 3, the transformer 1 is fixed below a porcelain insulator in a bolt fastening manner, the transformer 1 is located in a transformer box, the insulating fixing pieces 2 are sleeved on the upper end and the lower end of the transformer 1, the locking components 3 are arranged between the two insulating fixing pieces 2, the tail ends of the locking components 3 extend into the inner wall of the transformer, the locking components 3 extend into the inner wall of the transformer to realize locking, the transformer 1 is clamped and fixed through the two insulating fixing pieces 2, namely, the transformer 1 is fixed on the two insulating fixing pieces 2 in a locking manner, meanwhile, the locking components 3 fix the insulating fixing pieces 2 on the inner wall of the transformer box (the locking components 3 are fixed on the inner part of the transformer in a thread fit manner, the locking components 3 also lock the insulating fixing pieces 2, realize insulating stationary blade 2 like this and the injecing of transformer position), the cover is equipped with a plurality of fastening module 3.2 that carry out quick locking to insulating stationary blade 2 on locking subassembly 3, realize fixing locking subassembly 3 with insulating stationary blade 2 through fastening module 3.2 on (realize carrying out the locking to insulating stationary blade 2 through fastening module 3.2 presss from both sides tight mode), 2 tops of insulating stationary blade at top are stained with seal assembly 4 through glue (seal assembly 4 is the sealing rubber circle promptly, prevent like this and leak), seal up the clearance between mutual-inductor 1 and the transformer through seal assembly 4, fix the mutual-inductor 1 of transformer in the transformer box like this, need not to set up the oil circuit outside mutual-inductor 1 like this, need not to expose the oil circuit on the transformer outer wall like this, reduce the cost of manufacture.

The upper end and the lower end of the mutual inductor 1 are respectively provided with an outwardly extending step surface 1.1, the insulating fixing pieces 2 are provided with embedded grooves 2.1 corresponding to the mutual inductor 1, the step surfaces 1.1 of the mutual inductor 1 are embedded into the grooves, the mutual inductor 1 is clamped through the two insulating fixing pieces 2, the mutual inductor extending into an oil tank is prevented from shaking left and right, and therefore the stability of the fixation of the mutual inductor is ensured; locking subassembly 3 is screw rod 3.1 promptly and the end of screw rod 3.1 stretches into and realizes fixing on the transformer box inner wall (division threaded hole and the end of screw rod 3.1 stretches into threaded hole and realizes fixing on the transformer inner wall), it supplies screw rod 3.1 to pass the through-hole to open on every insulating stationary blade 2, the cover comprises a plurality of fastening module 3.2 on screw rod 3.1, fastening module 3.2 is nut 3.3 promptly and every insulating stationary blade 2 compresses tightly fixedly through two nuts 3.3 (realize that nut 3.3 moves on screw rod 3.1 through rotating nut 3.3, realize like this through the clamp of two nuts 3.3 to an insulating stationary blade 2), the installation of mutual-inductor 1 of being convenient for like this, adjust the position of insulating stationary blade 2 at locking subassembly 3 through nut 3.3, realize like this that two fixed insulating pieces press from both sides tightly upper and lower both ends of mutual-inductor 1, realize like this the fixed of mutual-inductor 1.

The mode of pasting through glue in every recess is fixed with first blotter 2.2 and mutual-inductor 1's second blotter 2.3 presses on first blotter 2.2, realizes sealed like this, prevents like this when installing, prevents that insulating stationary blade 2 from pressing mutual-inductor 1 to warp (elastic buffer).

Claims (3)

1. The utility model provides a built-in mutual-inductor structure of transformer, including the mutual-inductor, insulating stationary blade and locking subassembly, the mutual-inductor setting is in the transformer box in the below of vase and mutual-inductor, a serial communication port, both ends are provided with insulating stationary blade about the mutual-inductor, the end that is provided with locking subassembly and locking subassembly between two insulating stationary blades stretches into on the transformer inner wall, be provided with the fastening module that many insulating stationary blades carry out quick locking on the locking subassembly, the insulating stationary blade top at top is provided with seal assembly, seal up the clearance between mutual-inductor and the transformer through seal assembly.

2. The structure of a transformer built-in transformer according to claim 1, wherein step faces extending outward are provided at both upper and lower ends of the transformer, an embedded groove corresponding to the transformer is provided on the insulating fixing piece, the step faces of the transformer are embedded in the groove, and the transformer is clamped by the two insulating fixing pieces; the locking subassembly is fixed for the terminal of screw rod and screw rod stretches into the realization on the transformer box inner wall, and it has the confession screw rod to pass the through-hole to open on every insulating fixed sheet, and the cover comprises a plurality of fastening module on the screw rod, and fastening module compresses tightly fixedly for nut and every insulating fixed sheet through two nuts promptly, the installation of the mutual-inductor of being convenient for like this.

3. The structure of a transformer built-in transformer according to claim 2, wherein a buffer pad is provided at each recess and the buffer pad of the transformer is pressed against the buffer pad, so that the insulating fixing piece is prevented from pressing the transformer to be deformed when the installation is performed.

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