CN219370726U - Low-frequency high-voltage output transformer - Google Patents

Abstract

The utility model provides a low-frequency high-voltage output transformer which adopts a multi-slot winding structure, improves the safety performance of products, is internally provided with an end wire storage slot and avoids hidden trouble of internal short circuit. Including transformer shell, skeleton and wire winding group, be provided with the blade of silicon steel on the inboard four walls of transformer shell, the blade of silicon steel inboard is left the skeleton standing groove, the cover is equipped with a plurality of protection baffles on the skeleton, adjacent two distance between the protection baffle is adjustable, the wire winding group coiling is in on the skeleton, and by a plurality of protection baffle separates into multislot line group the skeleton both ends symmetry is provided with and cut straightly the pin, still is provided with the skeleton bump on corresponding on the lateral wall of cut straightly the pin position still be provided with little wire casing on the skeleton, the skeleton standing groove with epoxy glue has all been poured into in the little wire casing. The utility model is suitable for the technical fields of inductors and electronic equipment elements.

Description

Low-frequency high-voltage output transformer

Technical Field

The utility model relates to the technical field of inductance and electronic equipment elements, in particular to a low-frequency high-voltage output transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and mainly comprises a coil, a magnetic core, a framework and the like, wherein a plurality of pins are arranged on the framework, the leads of the coil are required to be connected to the pins in sequence, the framework can be fully utilized to wind enameled wires and assembled magnetic core coils, and normal voltage is output by combining the electromagnetic conversion mode of a product, so that the functions of controlling a circuit, meeting circuit requirements and the like are achieved. The low-frequency transformer utilizes the principle of low-voltage input and high-voltage output conversion, and is usually provided with a single groove or double grooves on a framework, namely, the framework is divided into two spaces by using an insulating partition plate, wires with different specifications are wound in the two spaces respectively according to the requirements, but the voltage difference between the two grooves is overlarge, and the insulating partition plate for separation is easy to break down in the use process; and the end wire of the winding group on the framework is usually directly exposed, and is easy to contact with pins or technical components in the transformer in the subsequent assembly and use processes of the product, so that the transformer has the hidden trouble of short circuit.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art, and provides a low-frequency high-voltage output transformer which adopts a multi-slot winding structure, improves the safety performance of products, is internally provided with an ending wire containing slot and avoids hidden trouble of internal short circuit.

The technical scheme adopted by the utility model is as follows: the transformer comprises a transformer shell, a framework and winding groups, wherein silicon steel sheets are arranged on four walls of the inner side of the transformer shell, a framework placing groove is reserved on the inner side of each silicon steel sheet, a plurality of protection baffles are sleeved on the framework, the distance between every two adjacent protection baffles is adjustable, the winding groups are wound on the framework and are separated into multi-groove line groups by the protection baffles, straight pins are symmetrically arranged at two ends of the framework, framework salient points are further arranged on the side walls corresponding to the positions of the straight pins, small wire grooves are further arranged on the framework, and epoxy glue is filled in each framework placing groove and each small wire groove.

Further, a plurality of protective baffles are made of insulating materials, through holes matched with the framework are formed in the center of the protective baffles, the protective baffles are in sliding fit with the framework through the through holes, and the distance between two adjacent protective baffles is set according to actual needs.

Further, a tail wire groove is arranged at any end position on the protective baffle.

Further, the transformer outer shell is divided into a storage part and a positioning part which are coaxially arranged, the positioning part is matched with the framework, and the direct-insertion pin extends out of the storage part.

Finally, the transformer housing is injection molded by adopting an insulating material.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the design structure of the transformer shell for completely coating the framework, the problem that the conventional low-frequency transformer framework is exposed is avoided, the framework is divided into a plurality of sections by utilizing a plurality of protective baffles which are in sliding fit with the framework, the sections are formed into a multi-groove framework with the framework, the spacing between the adjacent protective baffles is adjusted according to actual use requirements, and the winding groups with different specifications are wound, so that high-voltage power is evenly distributed into each groove, and the transformer has more stable and safe effect in the use process; the small wire slot for accommodating the end wire of the winding group is reserved on the framework, epoxy glue is poured into the framework placing groove and the small wire slot after the setting is finished, the transformer is matched with the transformer shell to realize double protection, the framework and the winding group are prevented from being contacted and collided in the subsequent transportation and use process, damage is caused, electric arcs, flashovers and the like of products can be effectively prevented, potential safety hazards are solved from the inside of the products, and the safety of the products is further improved. Therefore, the utility model adopts a multi-groove winding structure, improves the safety performance of products, and meanwhile, the utility model is internally provided with the end wire storage groove, thereby avoiding hidden trouble of internal short circuit.

Drawings

FIG. 1 is a schematic view of the bottom internal structure of the present utility model;

fig. 2 is a schematic view of the external structure of the present utility model.

Detailed Description

As shown in fig. 1 and 2, the utility model comprises a transformer shell 1, a framework 2 and a winding group 3, wherein silicon steel sheets 4 are arranged on four walls of the inner side of the transformer shell 1, framework placing grooves 5 are reserved on the inner sides of the silicon steel sheets 4, a plurality of protective baffles 6 are sleeved on the framework 2, the distance between two adjacent protective baffles 6 is adjustable, the winding group 3 is wound on the framework 2 and is divided into a plurality of groove line groups by the protective baffles 6, straight-inserting pins 7 are symmetrically arranged at two ends of the framework 2, framework salient points 8 are also arranged on side walls corresponding to the positions of the straight-inserting pins 7, small wire grooves 9 are also arranged on the framework 2, and epoxy glue is filled in the framework placing grooves 5 and the small wire grooves 9. The utility model aims to solve the problems that the single-groove or double-groove design of a framework in the original product cannot meet the actual use requirement, insulation baffle plates between adjacent grooves are easy to break down, so that a transformer is scrapped or larger potential safety hazard is caused, the framework 2 is completely covered by the transformer shell 1, the problem that the framework of a conventional low-frequency transformer is exposed is avoided, the framework 2 is divided into a plurality of sections by utilizing a plurality of protective baffle plates 6 which are in sliding fit with the framework 2, a multi-groove framework is formed by the framework 2, the spacing between the adjacent protective baffle plates 6 is adjusted according to the actual use requirement, and winding groups 3 with different specifications are wound, so that high-voltage flat distribution is distributed into each groove, and the transformer is more stable and safe in the use process; the small wire groove 9 used for accommodating the end wire of the winding group 3 is reserved on the framework 2, epoxy glue is poured into the framework placing groove 5 and the small wire groove 9 after the setting is finished, the transformer shell 1 is matched for realizing double protection, the contact and collision of the framework 2 and the winding group 3 in the follow-up transportation and use process are avoided, the damage is caused, the electric arc, the spark and the like of a product can be effectively prevented, the potential safety hazard is solved from the inside of the product, and the safety of the product is further improved. Meanwhile, the epoxy glue is poured into the skeleton placing groove 5 for fixing, so that the processing mode that special glue dispensing is needed to strengthen local isolation after the winding of the pins is finished in the traditional product is improved, the production process of the transformer is optimized, and the isolation effect is also improved.

In the utility model, the plurality of protective baffles 6 are made of insulating materials, through holes matched with the framework 2 are formed in the center, the protective baffles 6 are in sliding fit with the framework 2 through the through holes, and the distance between two adjacent protective baffles 6 is set according to actual needs. The tail wire groove 10 is arranged at any end position on the protective baffle 6. The transformer shell 1 is divided into a storage part 11 and a positioning part 12 which are coaxially arranged, the positioning part 12 is matched with the framework 2, and the direct-insert pin 7 extends out of the storage part 11. The transformer housing 1 is injection molded by adopting an insulating material. And a wire guide groove is also arranged on the framework 2 and positioned at the middle position of the two adjacent straight pin 7.

The utility model fully analyzes the effective performance of the modern product, particularly pays attention to the foot protection in the aspect of product safety, and the double insulation protection is formed by pouring epoxy glue into the framework placing groove 5 through the transformer shell 1, so that the framework 2 and the winding group 3 are protected from inside to outside. The framework 2 is divided into a plurality of multi-groove frameworks by the aid of the protective baffles 6, enough insulation winding space is reserved for the primary coil and the secondary coils in the winding groups 3, so that high-voltage output is evenly distributed in the coils of each groove, the problems that voltage breaks down enameled wires or insulating layers and the like are effectively avoided, and the direct rate of products is improved. The small wire slot 9 arranged on the framework 2 well solves the storage problem of the end wire of the winding group 3, so that a sufficient safety distance is reserved between the end wire and the winding group 3, the end wire is also placed in contact with the metal inside the transformer or the direct-insert pin 7, and after the sealing of epoxy glue is completed, the hidden danger of short circuit caused by the end wire is thoroughly eliminated. The transformer is more convenient for subsequent storage, transportation and use as long as the direct-insert pin 7 is exposed outside.

Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the utility model, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the utility model.

Claims (5)

1. A low frequency high voltage output transformer, characterized by: including transformer shell (1), skeleton (2) and wire winding group (3), be provided with blade of silicon steel (4) on the inboard four walls of transformer shell (1), blade of silicon steel (4) inboard is left skeleton standing groove (5), the cover is equipped with a plurality of protection baffle (6) on skeleton (2), adjacent two distance between protection baffle (6) is adjustable, wire winding group (3) coiling is in on skeleton (2) to by a plurality of protection baffle (6) separate into multislot line group skeleton (2) both ends symmetry is provided with cut straightly pin (7), still is provided with skeleton bump (8) on the lateral wall of corresponding cut straightly pin (7) position still be provided with little wire casing (9) on skeleton (2), skeleton standing groove (5) with all pour into the epoxy glue in little wire casing (9).

2. A low frequency high voltage output transformer as claimed in claim 1 wherein: the protection baffle plates (6) are made of insulating materials, through holes matched with the frameworks (2) are formed in the center positions, the protection baffle plates (6) are in sliding fit with the frameworks (2) through the through holes, and the distance between two adjacent protection baffle plates (6) is set according to actual needs.

3. A low frequency high voltage output transformer as claimed in claim 2 wherein: a tail wire groove (10) is arranged at any end position of the protective baffle (6).

4. A low frequency high voltage output transformer as claimed in claim 3 wherein: the transformer shell (1) is divided into a containing part (11) and a positioning part (12) which are coaxially arranged, the positioning part (12) is matched with the framework (2), and the direct-insert pin (7) extends out of the containing part (11).

5. A low frequency high voltage output transformer as claimed in claim 4 wherein: the transformer housing (1) is injection molded by adopting an insulating material.