CN217280390U

CN217280390U - Transformer framework

Info

Publication number: CN217280390U
Application number: CN202220537293.7U
Authority: CN
Inventors: 孙春光
Original assignee: Guangdong NRE Technology Co Ltd
Current assignee: Guangdong NRE Technology Co Ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-23
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a transformer framework, which comprises an outer framework, wherein a first winding groove is arranged on the outer side of the outer framework, a first through opening is arranged from the top to the bottom of the outer framework, and the bottom of the first through opening is connected with an installation block; the inner frame, the inner frame outside is provided with second wire winding groove, and the second opening has been seted up from top to bottom to the inner frame, and the inner frame sets up in outer skeleton, and the inner frame bottom sets up in the installation piece, and the inner frame can be dismantled with outer skeleton and peg graft. Set up inner frame and exoskeleton, with the transformer elementary and secondary coiling respectively in inner frame and exoskeleton, keep apart elementary and secondary through the exoskeleton, can guarantee the dielectric strength of transformer, increased the creepage distance of transformer, it is safer to use, and the convenient coiling transformer of structure can improve operator's work efficiency.

Description

Transformer framework

Technical Field

The utility model relates to a transformer technical field, especially a transformer skeleton.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and a transformer framework is an indispensable component in the transformer. However, the creepage distance is difficult to process when the voltage of the traditional transformer is high, the creepage time is long, insulation decline can be caused, insulation breakdown can be caused when the creepage time is more serious, and safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, for this reason, the utility model provides a transformer skeleton.

In order to realize above purpose, solve the intractable problem of creepage distance, the utility model discloses the technical scheme who adopts as follows:

according to the utility model discloses an embodiment of first aspect, a transformer skeleton, include: the outer framework is provided with a first winding groove from the top to the bottom, and the bottom of the first through hole is connected with an installation block; the inner frame, the inner frame outside is provided with second wire winding groove, the second opening has been seted up from top to bottom to the inner frame, the inner frame set up in the outer skeleton, the inner frame bottom set up in the installation piece, the inner frame with the grafting can be dismantled to the outer skeleton.

According to the utility model discloses transformer skeleton has following beneficial effect at least: set up inner frame and exoskeleton, with the transformer elementary and secondary coiling respectively in inner frame and exoskeleton, keep apart elementary and secondary through the exoskeleton, can guarantee the dielectric strength of transformer, increased the creepage distance of transformer, it is safer to use, and the convenient coiling transformer of structure can improve operator's work efficiency.

According to some embodiments of the utility model, the top and the bottom of exoskeleton all are provided with first stopper.

According to the utility model discloses a some embodiments, a plurality of first contact pin grooves have evenly been seted up to first stopper, one side in first contact pin groove is connected with first contact pin fixed block.

According to some embodiments of the invention, the other side of the first pin groove is connected with a first thread hanging rod.

According to some embodiments of the utility model, the top of inner frame is provided with the second stopper, the bottom of inner frame is provided with the third stopper.

According to the utility model discloses a some embodiments, the second stopper evenly is provided with a plurality of second contact pin fixed blocks, a plurality of second contact pin grooves have evenly been seted up to the third stopper, one side in second contact pin groove is connected with third contact pin fixed block.

According to some embodiments of the invention, the other side of the second pin groove is connected with a second thread hanging rod.

According to some embodiments of the invention, the central axis of the first opening coincides with the central axis of the second opening.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of the present invention;

fig. 2 is a front exploded view of the present invention;

fig. 3 is a bottom view of the present invention;

fig. 4 is a right side exploded view of the present invention;

FIG. 5 is an enlarged view of part A of the present invention;

fig. 6 is an enlarged view of the part B of the present invention.

In the figure: 1. an outer skeleton; 2. a first winding slot; 3. a first port; 4. mounting blocks; 5. an inner skeleton; 6. a second winding slot; 7. a second port; 8. a first stopper; 9. a first pin slot; 10. a first contact pin fixing block; 11. a first wire hanging rod; 12. a second limiting block; 13. a third limiting block; 14. a second contact pin fixing block; 15. a second pin slot; 16. a third contact pin fixing block; 17. and the second wire hanging rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description of the embodiments of the present invention with reference to the accompanying drawings is provided.

The technical solutions in the embodiments of the present invention will be fully described below, 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.

According to some embodiments, a transformer bobbin comprises: the winding device comprises an outer framework 1, wherein a first winding groove 2 is formed in the outer side of the outer framework 1, a first through hole 3 is formed in the outer framework 1 from the top to the bottom, and an installation block 4 is connected to the bottom of the first through hole 3; inner frame 5, the 5 outsides of inner frame are provided with second wire winding groove 6, second opening 7 has been seted up from top to bottom to inner frame 5, inner frame 5 set up in exoskeleton 1, inner frame 5 bottom set up in installation piece 4, inner frame 5 with grafting can be dismantled to exoskeleton 1.

Based on the above embodiments, in some embodiments, the first winding slots 2 of the outer bobbin 1 wind the primary coil, and the second winding slots 6 of the inner bobbin 5 wind the secondary coil, and in other embodiments, the first winding slots 2 of the outer bobbin 1 wind the secondary coil, and the second winding slots 6 of the inner bobbin 5 wind the primary coil. The inner framework 5 and the outer framework 1 can be detachably spliced, when the inner framework 5 is arranged on the inner side of the outer framework 1, the bottom of the outer framework 1 is arranged on the mounting block 4. Set up inner frame and exoskeleton, with the transformer elementary and secondary coiling respectively in inner frame and exoskeleton, keep apart elementary and secondary through the exoskeleton, can guarantee the dielectric strength of transformer, increased the creepage distance of transformer, it is safer to use, and the convenient coiling transformer of structure can improve operator's work efficiency.

According to some embodiments, the top and bottom of the exoskeleton 1 are provided with first stoppers 8.

Based on above-mentioned embodiment, the top and the bottom of exoskeleton 1 are provided with first stopper 8, can prevent that the winding of coiling in the exoskeleton 1 outside from breaking away from exoskeleton 1, increase winding stability.

According to some embodiments, a plurality of first pin grooves 9 are uniformly formed in the first limiting block 8, and a first pin fixing block 10 is connected to one side of each first pin groove 9.

Based on above-mentioned embodiment, first contact pin groove 9 can set up the contact pin, and first stopper 8 is provided with the quantity that a plurality of first contact pin grooves 9 can set up the contact pin according to actual need to and set up the position of contact pin according to actual need, be convenient for be connected with electrical apparatus, the contact pin runs through and is fixed in first contact pin fixed block 10.

According to some embodiments, a first thread hanging rod 11 is connected to the other side of the first needle slot 9.

Based on the above embodiment, the first wire hanging rod 11 at the upper end of the outer framework 1 fixes one end of the wire winding when the outer framework 1 winds the winding, so that the winding is wound, the middle part of the wire winding is wound on the outer side of the outer framework 1, and after the wire winding is completed, the other end of the wire winding can be fixed on the first wire hanging rod 11 at the lower end of the outer framework 1.

According to some embodiments, a second limiting block 12 is disposed at the top of the inner frame 5, and a third limiting block 13 is disposed at the bottom of the inner frame 5.

Based on above-mentioned embodiment, the top of inner frame 5 is provided with second stopper 12, and the bottom of inner frame 5 is provided with third stopper 13, can prevent that the winding of coiling in the inner frame 5 outside from breaking away from outer frame 1, increases the stability of winding.

According to some embodiments, the second limiting block 12 is uniformly provided with a plurality of second pin fixing blocks 14, the third limiting block 13 is uniformly provided with a plurality of second pin grooves 15, and one side of each second pin groove 15 is connected with a third pin fixing block 16.

Based on the above embodiment, the outer frame 1 and the inner frame 5 can be used separately or inserted together to form a transformer. Inner frame 5 and outer frame 1 all can regard inductance skeleton to use alone, and second contact pin fixed block 14 and third contact pin fixed block 16 can set up the position of contact pin quantity and contact pin as required. When the second pin fixing block 14 fixes the pin, one end of the pin is bent and then penetrates through and is fixed to the second pin fixing block 14, when the third pin fixing block 16 fixes the pin, one end of the pin is bent and then penetrates through and is fixed to the third pin fixing block 16, and the pin is arranged in the second pin groove 15.

According to some embodiments, a second thread hanging rod 17 is connected to the other side of the second needle inserting groove 15.

According to some embodiments, the central axis of the first through opening 3 coincides with the central axis of the second through opening 7.

Based on the above embodiment, when the inner frame 5 winds the winding, one end of the winding is fixed by the second wire hanging rod 17 so as to wind the winding, and the middle part of the winding is wound on the outer side of the inner frame 5. The center axis of first opening 3 and the center axis coincidence of second opening 7 to the dismouting inner frame 5 and outer frame 1 of being convenient for, and the coupling of interior outer winding of being convenient for.

It is obvious to a person skilled in the art that the invention is not limited to the exemplary embodiments described above, but that the solution according to the invention can be implemented in other specific forms without departing from the essential characteristics of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive.

Claims

1. A transformer bobbin, comprising:

the winding device comprises an outer framework (1), wherein a first winding groove (2) is formed in the outer side of the outer framework (1), a first through hole (3) is formed in the outer framework (1) from the top to the bottom, and an installation block (4) is connected to the bottom of the first through hole (3);

inner frame (5), the inner frame (5) outside is provided with second wire winding groove (6), second opening (7) have been seted up from top to bottom in inner frame (5), inner frame (5) set up in exoskeleton (1), inner frame (5) bottom set up in installation piece (4), inner frame (5) with grafting can be dismantled in exoskeleton (1).

2. The transformer bobbin according to claim 1, wherein the top and the bottom of the outer bobbin (1) are provided with first limiting blocks (8).

3. The transformer framework according to claim 2, wherein the first limiting block (8) is uniformly provided with a plurality of first pin grooves (9), and one side of each first pin groove (9) is connected with a first pin fixing block (10).

4. A transformer bobbin as claimed in claim 3, characterised in that a first wire hanging rod (11) is connected to the other side of the first pin slot (9).

5. The transformer framework according to any one of claims 1 to 4, characterized in that a second limiting block (12) is arranged at the top of the inner framework (5), and a third limiting block (13) is arranged at the bottom of the inner framework (5).

6. The transformer framework according to claim 5, wherein a plurality of second pin fixing blocks (14) are uniformly arranged on the second limiting block (12), a plurality of second pin grooves (15) are uniformly formed on the third limiting block (13), and a third pin fixing block (16) is connected to one side of each second pin groove (15).

7. Transformer according to claim 6, wherein a second cord hanging bar (17) is connected to the other side of the second pin slot (15).

8. A transformer bobbin according to claim 1, characterised in that the central axis of the first through opening (3) coincides with the central axis of the second through opening (7).