CN210778107U

CN210778107U - Annular transformer

Info

Publication number: CN210778107U
Application number: CN201921707000.XU
Authority: CN
Inventors: 朱达鑫
Original assignee: Taizhou Xinyi Electric Appliance Co ltd
Current assignee: Taizhou Xinyi Electric Appliance Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-06-16
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses an annular transformer relates to transformer technical field, for solving the current relatively poor and bad problem of heat dissipation of shock resistance. The transformer comprises a transformer body, and is characterized in that a secondary coil is arranged in the transformer body, a primary coil is arranged in the secondary coil, an annular iron core is arranged in the primary coil, a sponge rubber pad is arranged above and below the transformer body, a rubber pad connecting hole is formed in the middle position of the sponge rubber pad, a second through hole is formed in the sponge rubber pad, a fixed upper cover is arranged above the sponge rubber pad above the transformer body, a fixed lower cover is arranged below the sponge rubber pad below the transformer body, a dust screen is arranged in the middle position of each of the first through hole and the second through hole, a base is arranged below the fixed lower cover, a buffer spring is arranged between the fixed lower cover and the base, and a through pipe is arranged in the middle position of the transformer body.

Description

Annular transformer

Technical Field

The utility model relates to a transformer technical field specifically is an annular transformer.

Background

The toroidal transformer is a large type of electronic transformer, is widely applied to household appliances and other electronic equipment with higher technical requirements, is mainly used as a power transformer and an isolation transformer, is widely applied to the aspects of computers, medical equipment, telecommunication, instruments, lighting and the like, and has excellent cost performance, good output characteristic and good anti-interference capability.

However, the primary coil and the secondary coil of the existing toroidal transformer sequentially surround the toroidal core, when equipment provided with the toroidal transformer moves, bumping can be generated, so that internal vibration is caused, and the internal structure of the toroidal transformer is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an annular transformer to solve the relatively poor and bad problem of heat dissipation of the shock resistance that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an annular transformer comprises a transformer main body, wherein a secondary coil is arranged in the transformer main body, a primary coil is arranged in the secondary coil, an annular iron core is arranged in the primary coil, sponge rubber pads are respectively arranged above and below the transformer main body, rubber pad connecting holes are formed in the middle positions of the sponge rubber pads, second through holes are formed in the sponge rubber pads, a fixed upper cover is arranged above the sponge rubber pads above the transformer main body, plate cover connecting holes are formed in the middle positions of the fixed upper cover and the fixed lower cover, a fixed lower cover is arranged below the sponge rubber pads below the transformer main body, first through holes are formed in the inner parts of the fixed upper cover and the fixed lower cover, dust screens are respectively arranged in the middle positions of the first through holes and the second through holes, a base is arranged below the fixed lower cover, install buffer spring between fixed lower cover and the base, the intermediate position department of transformer main part is provided with the siphunculus, the inside of siphunculus is provided with the bolt, and the one end of bolt passes dust screen, rubber pad connecting hole and the siphunculus and extends to the top of fixed upper cover, the one end of bolt is provided with the nut, the interface is installed to one side of siphunculus.

Preferably, the first through holes and the second through holes are attached, four first through holes and four second through holes are arranged, and the first through holes are of a protruding structure.

Preferably, the secondary coil and the primary coil sequentially surround the annular iron core.

Preferably, the sponge rubber pad, the fixed upper cover and the fixed lower cover are fixedly connected with the transformer main body through bolts.

Preferably, the buffer spring is fixedly connected with the fixed lower cover and the base, and the base is of an annular structure.

Preferably, the dust screen is connected with the first through hole and the second through hole through clamping grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cover under fixed upper cover and fixed and set up first through-hole, set up the second through-hole on upper and lower sponge rubber pad, because first through-hole is protruding structure, formed the heat dissipation wind channel in the centre when the board lid is connected with the sponge rubber pad to can be so that inside and external formation passageway of toroidal transformer, produced inside air convection, be favorable to giving off of the inside heat of toroidal transformer, thereby can effectively improve toroidal transformer's radiating effect.

2. The utility model discloses an all be provided with the sponge rubber pad on ring transformer's both ends face, two sponge rubber pads compress tightly through fixed upper cover and fixed lower cover respectively and fix on ring transformer's both ends face, and simultaneously, set up the base in ring transformer's below, the base sets up buffer spring with ring transformer's junction, and thus, after this ring transformer installation is fixed, the sponge rubber pad can play inside shock-proof effect, buffer spring then plays the effect of outside buffering, mutually support between the two, inside working element has been protected, the relatively poor problem of shock resistance has been solved.

3. The utility model discloses an installation dust screen between first through-hole and second through-hole prevents to neglect dirt-proof problem when solving radiating, has avoided the dust to get into the inside attached to coil of toroidal transformer to lead to the problem that toroidal transformer broke down, improved toroidal transformer's life.

Drawings

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

fig. 2 is a cross-sectional view of the main body of the transformer of the present invention;

fig. 3 is the schematic structural view of the fixing upper cover and the sponge rubber pad of the present invention.

In the figure: 1. a transformer body; 2. a secondary coil; 3. a primary coil; 4. an annular iron core; 5. a sponge rubber pad; 6. fixing the upper cover; 7. fixing the lower cover; 8. a buffer spring; 9. a base; 10. a bolt; 11. a nut; 12. pipe passing; 13. an interface; 14. a first through hole; 15. a second through hole; 16. a plate cover connection hole; 17. connecting holes of the rubber pads; 18. a dust screen.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a toroidal transformer, includes transformer main part 1, its characterized in that: a secondary coil 2 is arranged in a transformer main body 1, a primary coil 3 is arranged in the secondary coil 2, an annular iron core 4 is arranged in the primary coil 3, sponge rubber pads 5 are arranged above and below the transformer main body 1, rubber pad connecting holes 17 are arranged in the middle positions of the sponge rubber pads 5, second through holes 15 are arranged in the sponge rubber pads 5, a fixed upper cover 6 is arranged above the sponge rubber pads 5 above the transformer main body 1, plate cover connecting holes 16 are arranged in the middle positions of the fixed upper cover 6 and the fixed lower cover 7, a fixed lower cover 7 is arranged below the sponge rubber pads 5 below the transformer main body 1, first through holes 14 are arranged in the fixed upper cover 6 and the fixed lower cover 7, dust screens 18 are arranged in the middle positions of the first through holes 14 and the second through holes 15, a base 9 is arranged below the fixed lower cover 7, install buffer spring 8 between fixed lower cover 7 and the base 9, transformer body 1's intermediate position department is provided with siphunculus 12, and the inside of siphunculus 12 is provided with bolt 10, and the one end of bolt 10 passes dust screen 18, rubber pad connecting hole 17 and siphunculus 12 and extends to the top of fixed upper cover 6, and the one end of bolt 10 is provided with nut 11, and interface 13 is installed to one side of siphunculus 12. Through setting up first through-hole 14 and second through-hole 15 in the centre of fixed upper cover 6, fixed lower cover 7 and sponge rubber pad 5, form the passageway in toroidal transformer's inside and external, the air convection that forms has improved inside heat-sinking capability to the problem of inside high temperature has been solved, on the other hand, through setting up sponge rubber pad 5 and buffer spring 8, the ability of taking precautions against earthquakes of toroidal transformer has been improved in mutually supporting between the two.

Further, first through-hole 14 and second through-hole 15 are laminated mutually, and first through-hole 14 all is provided with four with second through-hole 15, and first through-hole 14 is protruding structure. Thereby when the plate cover is connected with sponge rubber pad 5, a heat dissipation air duct is formed in the middle, thereby enabling the inside of the ring transformer and the outside to form a channel, generating internal air convection and being beneficial to the dissipation of the heat inside the ring transformer.

Further, the secondary coil 2 and the primary coil 3 are sequentially wound around the toroidal core 4. The winding structure has high magnetic flux density, so that the electric efficiency is improved.

Further, the sponge rubber pad 5, the fixed upper cover 6 and the fixed lower cover 7 are fixedly connected with the transformer body 1 through bolts 10. The bolts 10 penetrate through the fixed lower cover 7, the sponge rubber pad 5 and the transformer body 1 from the through pipe 12 inside the transformer body 1 and extend out of one side of the fixed upper cover 6, and the fixing is realized through the nuts 11, so that the overall stability of the ring transformer is ensured, and the ring transformer cannot be disassembled in work.

Further, the buffer spring 8 is fixedly connected with the fixed lower cover 7 and the base 9, and the base 9 is of an annular structure. Sponge rubber pad 5 can play inside jar-proof effect, and buffer spring 8 then plays the effect of outside buffering, and the cooperation of each other between the two has protected inside working element, has solved the relatively poor problem of shock resistance.

Further, the dust screen 18 is connected with the first through hole 14 and the second through hole 15 through a card slot. The dust is prevented from entering the annular transformer and being attached to the coil, the service life of the annular transformer is prolonged, and meanwhile, the clamping groove type connection enables the installation and the disassembly to be more convenient.

The working principle is as follows: when in use, the interface 13 is connected with required equipment, after the connection is completed, the ring transformer starts to work, after the ring transformer works for a long time, the secondary coil 2 and the primary coil 3 which surround the ring iron core 4 still generate heat, so that the internal temperature starts to rise, because the fixed upper cover 6 and the fixed lower cover 7 are provided with the first through holes 14, the sponge rubber pads 5 at the upper part and the lower part are provided with the second through holes 15, because the first through holes 14 are of a convex structure, a heat dissipation air duct is formed in the middle when the plate cover is connected with the sponge rubber pads 5, a channel is formed between the inside of the ring transformer and the outside, air convection is generated, the heat generated in the inside is discharged through the air duct, the internal temperature is reduced, the damage to the inside of the ring transformer due to overhigh temperature is prevented, and meanwhile, the dustproof net 18 is arranged in the middle of the through holes, the problem of dust prevention is avoided while the heat dissipation is solved, the problem that dust enters the annular transformer and adheres to a coil to cause the annular transformer to break down is avoided, in addition, when equipment provided with the annular transformer moves, bumping is generated to cause internal vibration, the internal vibration can be slowed down by arranging the sponge rubber pads 5 at the two ends of the transformer main body 1, so that all parts in the transformer main body 1 cannot generate collision and friction for a long time, the problem of internal damage is avoided, meanwhile, the buffer spring 8 is arranged between the fixed lower cover 7 and the base 9, the design can reduce the collision between the annular transformer and external parts from the outside, on one hand, the outer surface of the annular transformer is protected from being damaged, on the other hand, the internal transformer main body 1 is protected from collision around, and the annular transformer and the fixed lower cover and the base are mutually matched, the shock resistance of the toroidal transformer is improved. Above, solved the current relatively poor and the bad problem of heat dissipation of shock resistance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An annular transformer, includes transformer main part (1), its characterized in that: a secondary coil (2) is arranged inside the transformer main body (1), a primary coil (3) is arranged inside the secondary coil (2), an annular iron core (4) is arranged inside the primary coil (3), sponge rubber pads (5) are arranged above and below the transformer main body (1), a rubber pad connecting hole (17) is formed in the middle of each sponge rubber pad (5), a second through hole (15) is formed inside each sponge rubber pad (5), a fixed upper cover (6) is arranged above each sponge rubber pad (5) above the transformer main body (1), plate cover connecting holes (16) are formed in the middle of each fixed upper cover (6) and each fixed lower cover (7), a fixed lower cover (7) is arranged below each sponge rubber pad (5) below the transformer main body (1), and first through holes (14) are formed in the inner parts of each fixed upper cover (6) and each fixed lower cover (7), dust screen (18) are all installed with the intermediate position department of second through-hole (15) in first through-hole (14), the below of fixed lower cover (7) is provided with base (9), install buffer spring (8) between fixed lower cover (7) and base (9), the intermediate position department of transformer main part (1) is provided with siphunculus (12), the inside of siphunculus (12) is provided with bolt (10), and the one end of bolt (10) passes dust screen (18), rubber pad connecting hole (17) and siphunculus (12) and extends to the top of fixed upper cover (6), the one end of bolt (10) is provided with nut (11), interface (13) are installed to one side of siphunculus (12).

2. The toroidal transformer according to claim 1, wherein: the first through holes (14) are attached to the second through holes (15), four first through holes (14) and four second through holes (15) are arranged, and the first through holes (14) are of a protruding structure.

3. The toroidal transformer according to claim 1, wherein: the secondary coil (2) and the primary coil (3) are sequentially wound on the annular iron core (4).

4. The toroidal transformer according to claim 1, wherein: the sponge rubber pad (5), the fixed upper cover (6) and the fixed lower cover (7) are fixedly connected with the transformer main body (1) through bolts (10).

5. The toroidal transformer according to claim 1, wherein: the buffer spring (8) is fixedly connected with the fixed lower cover (7) and the base (9), and the base (9) is of an annular structure.

6. The toroidal transformer according to claim 1, wherein: the dustproof net (18) is connected with the first through hole (14) and the second through hole (15) through clamping grooves.