CN218100919U - Miniature high-frequency transformer - Google Patents

Abstract

The utility model discloses a miniature high-frequency transformer, including placing seat and protection box, the both sides of placing the seat are connected with the otic placode, vertical groove has been seted up to the inside of otic placode, the intercommunication is equipped with the transverse groove on one side inner wall of vertical groove, be equipped with the slide bar on the both sides lateral wall of protection box, sliding connection has "L" type fixed plate on the slide bar, it is equipped with the connecting plate to place between the both sides inner wall of seat, the top of connecting plate is equipped with the magnetic core, the inside of magnetic core is equipped with the coil, the below of connecting plate is equipped with a plurality of stitches, the utility model discloses a seat, protection box, otic placode, vertical groove, transverse groove, slide bar, fixed plate, connecting plate, magnetic core, coil and the cooperation of stitch are placed in the setting and use, possess and can protect the magnetic core of transformer to when needs overhaul the dismantlement, convenient operation improves transformer life's advantage.

Description

Miniature high-frequency transformer

Technical Field

The utility model belongs to the technical field of high frequency transformer, especially, relate to a miniature high frequency transformer.

Background

High frequency transformer is the leading component part in as switching power supply, all has high frequency transformer's existence in common charger, the intelligent house product in daily life, high frequency transformer has small with comparing of ordinary transformer, advantages such as work efficiency height, all fixes the pin of transformer on the circuit board through welded mode usually, and the problem that prior art exists is: the transformer is protected by a corresponding protection mechanism, and a coil in the transformer is directly exposed, so that the phenomenon that a magnetic core of the transformer cracks and the like is easily caused after long-time use, and the service life of the transformer is influenced.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a miniature high frequency transformer possesses and can protect magnetic core of transformer to when needs overhaul the dismantlement, convenient operation improves transformer life's advantage, has solved the protection machanism that does not have to correspond now and has protected the transformer, and the coil in the transformer is direct to expose out, uses for a long time to lead to phenomena such as magnetic core fracture easily, influences transformer life's problem.

The utility model discloses a realize like this, a miniature high frequency transformer, including placing seat and protection box, the both sides of placing the seat are connected with the otic placode, vertical groove has been seted up to the inside of otic placode, the intercommunication is equipped with the transverse groove on one side inner wall of vertical groove, be equipped with the slide bar on the both sides lateral wall of protection box, sliding connection has "L" type fixed plate on the slide bar, it is equipped with the connecting plate to place between the both sides inner wall of seat, the top of connecting plate is equipped with the magnetic core, the inside of magnetic core is equipped with the coil, the below of connecting plate is equipped with a plurality of stitches.

As the utility model discloses it is preferred, be connected with two buffer spring on the top inner wall of protection box, buffer spring's the other end is connected with the arc cardboard.

As the utility model discloses it is preferred, the spacing groove has been seted up on the top inner wall of protection box, the inside swing joint of spacing groove has the gag lever post, the other end of gag lever post extends to the outside of spacing groove and is connected with the arc cardboard.

As the utility model discloses it is preferred, be connected with elastic spring on the one side lateral wall of being close to the protection box of fixed plate, elastic spring's the other end is connected with the protection box lateral wall.

As the utility model discloses preferred, a plurality of through-holes have been seted up to the bottom of placing the seat, the stitch runs through in the through-hole and extends to the bottom of placing the seat.

As the utility model discloses preferred, the bottom of otic placode is equipped with the supporting legs.

As the utility model discloses preferred, a plurality of radiating grooves have been seted up to the top of protection box.

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

1. the utility model discloses a seat, protection box, otic placode, vertical groove, transverse groove, slide bar, fixed plate, connecting plate, magnetic core, coil and the cooperation of stitch are placed in the setting and are used, possess and can protect the magnetic core of transformer to when needs overhaul the dismantlement, convenient operation improves transformer life's advantage.

2. The utility model discloses a cooperation that sets up buffer spring and arc cardboard is used, can make the spring action that buffer spring produced the arc cardboard, makes arc cardboard card on the magnetic core, cushions the vibration that the magnetic core during operation produced.

3. The utility model discloses a cooperation that sets up spacing groove and gag lever post is used, can carry on spacingly to the arc cardboard through the gag lever post, makes the arc cardboard can only carry out the motion of vertical direction to through the spacing action of spacing groove to the gag lever post, can carry on spacingly to the movement distance of gag lever post, avoid the motion stroke of gag lever post too big.

4. The utility model discloses a set up elastic spring, can make the fixed plate card go into the transverse groove under elastic spring to the elasticity of fixed plate to more stable fix the protection box on placing the seat.

5. The utility model discloses a set up the through-hole, can be convenient for the stitch is drawn forth from placing in the seat to more convenient welding is on the circuit board.

6. The utility model discloses a set up the supporting legs, can fix on the circuit board through the supporting legs, more stable supports placing the seat.

7. The utility model discloses a set up the radiating groove, can make the radiating groove realize placing the circulation of air in seat and the protection box with the cooperation of through-hole, discharge the heat that magnetic core and coil during operation produced through the radiating groove.

Drawings

Fig. 1 is a schematic isometric view of an embodiment of the present invention;

fig. 2 is a right side view provided by an embodiment of the present invention;

fig. 3 isbase:Sub>A schematic cross-sectional view taken alongbase:Sub>A-base:Sub>A in fig. 2 according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view taken along line B-B in fig. 2 according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of a structure in fig. 4 according to an embodiment of the present invention.

In the figure: 1. a placing seat; 2. a protective box; 3. an ear plate; 4. a vertical groove; 5. a transverse slot; 6. a slide bar; 7. a fixing plate; 8. a connecting plate; 9. a magnetic core; 10. a coil; 11. a stitch; 12. a buffer spring; 13. An arc-shaped clamping plate; 14. a limiting groove; 15. a limiting rod; 16. an elastic spring; 17. a through hole; 18. supporting legs; 19. a heat dissipation groove.

Detailed Description

For further understanding the contents, features and effects of the present invention, the following embodiments will be illustrated in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the embodiment of the utility model provides a pair of miniature high-frequency transformer, including placing seat 1 and protective box 2, the both sides of placing seat 1 are connected with otic placode 3, vertical groove 4 has been seted up to the inside of otic placode 3, the intercommunication is equipped with transverse groove 5 on one side inner wall of vertical groove 4, be equipped with slide bar 6 on the both sides lateral wall of protective box 2, sliding connection has "L" type fixed plate 7 on slide bar 6, be equipped with connecting plate 8 between the both sides inner wall of placing seat 1, the top of connecting plate 8 is equipped with magnetic core 9, the inside of magnetic core 9 is equipped with coil 10, the below of connecting plate 8 is equipped with a plurality of stitches 11.

Adopt above-mentioned scheme: two windings are arranged on the coil 10, wherein the winding connected with a power supply is a primary winding, the other winding is a secondary winding, when current flows in the primary winding, voltage is generated in the secondary winding after passing through the magnetic core 9, the protective box 2 covers the outer sides of the magnetic core 9 and the coil 10 to protect the magnetic core 9 and the coil 10, and the service life of the transformer is prolonged.

Referring to fig. 4, two buffer springs 12 are connected to the inner wall of the top of the protection box 2, and an arc-shaped catch plate 13 is connected to the other end of each buffer spring 12.

The scheme is adopted: use through the cooperation that sets up buffer spring 12 and arc cardboard 13, can make the elastic action that buffer spring 12 produced arc cardboard 13, make arc cardboard 13 card on magnetic core 9, cushion the vibration that magnetic core 9 during operation produced.

Referring to fig. 5, a limiting groove 14 is formed in the inner wall of the top of the protection box 2, a limiting rod 15 is movably connected inside the limiting groove 14, and the other end of the limiting rod 15 extends to the outer side of the limiting groove 14 and is connected with the arc-shaped clamping plate 13.

The scheme is adopted: the arc-shaped clamping plate 13 can be limited by the limiting rod 15 through the matching of the limiting groove 14 and the limiting rod 15, so that the arc-shaped clamping plate 13 can only move in the vertical direction, and the movement distance of the limiting rod 15 can be limited by the limiting effect of the limiting groove 14 on the limiting rod 15, and the movement stroke of the limiting rod 15 is avoided being too large.

Referring to fig. 3, an elastic spring 16 is connected to a side wall of the fixing plate 7 close to the protective box 2, and the other end of the elastic spring 16 is connected to a side wall of the protective box 2.

The scheme is adopted: by providing the elastic spring 16, the fixing plate 7 can be engaged with the transverse groove 5 by the elastic force of the elastic spring 16 on the fixing plate 7, so that the protective case 2 can be more stably fixed on the placing base 1.

Referring to fig. 3, a plurality of through holes 17 are formed in the bottom of the placing base 1, and the pins 11 penetrate through the through holes 17 and extend to the bottom of the placing base 1.

Adopt above-mentioned scheme: through setting up through-hole 17, can be convenient for stitch 11 to draw forth from placing seat 1 in to more convenient welding is on the circuit board.

Referring to fig. 1, the bottom of the ear plate 3 is provided with a support foot 18.

The scheme is adopted: by providing the supporting legs 18, the placing base 1 can be more stably supported by fixing the supporting legs 18 on the circuit board.

Referring to fig. 1, a plurality of heat dissipation grooves 19 are formed above the protection box 2.

The scheme is adopted: through the arrangement of the heat dissipation groove 19, the heat dissipation groove 19 and the through hole 17 are matched to realize air circulation between the placing seat 1 and the protection box 2, and heat generated when the magnetic core 9 and the coil 10 work is discharged through the heat dissipation groove 19.

The utility model discloses a theory of operation:

when the protection box is used, firstly, the two fixing plates 7 are pressed simultaneously to compress the elastic springs 16 to move towards opposite directions, then the protection box 2 covers the placing seat 1, the fixing plates 7 are made to enter the vertical grooves 4, then the fixing plates 7 are loosened, the fixing plates 7 are pushed to move towards the direction far away from the protection box 2 under the action of the elastic springs 16, the fixing plates 7 are made to enter the transverse grooves 5, the protection box 2 is fixed on the placing seat 1, the protection box 2 covers the placing seat 1, meanwhile, the arc-shaped clamping plates 13 are made to generate elastic force through the buffer springs 12, the arc-shaped clamping plates 13 are clamped above the magnetic cores 9, vibration generated by operation of the magnetic cores 9 and the coils 10 is buffered, meanwhile, the arc-shaped clamping plates 13 are limited through the limiting rods 15, the arc-shaped clamping plates 13 can only move in the vertical direction, and the limiting effect on the limiting rods 15 through the limiting grooves 14, the movement distance of the limiting rods 15 can be limited, the motion stroke of the limiting rods 15 is avoided from being too large, when the pins 11 are welded on the circuit board, and the placing seat 1 is welded on the circuit board, and more stable support can be carried out on the placing seat 1.

In summary, the following steps: this miniature high frequency transformer, place seat 1 through the setting, protection box 2, otic placode 3, vertical groove 4, transverse groove 5, slide bar 6, fixed plate 7, connecting plate 8, magnetic core 9, coil 10 and stitch 11's cooperation is used, it can protect the magnetic core of transformer to possess, and when needs overhaul the dismantlement, and convenient for operation, improve transformer life's advantage, it does not have the protection machanism who corresponds to protect the transformer to have solved now, coil in the transformer is direct exposing, long-time use leads to phenomena such as magnetic core of transformer fracture easily, influence transformer life's problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a miniature high frequency transformer, is including placing seat (1) and protection box (2), its characterized in that: the utility model discloses a safety protection box, including place seat (1), both sides of placing seat (1) are connected with otic placode (3), vertical groove (4) have been seted up to the inside of otic placode (3), the intercommunication is equipped with transverse groove (5) on the one side inner wall of vertical groove (4), be equipped with slide bar (6) on the both sides lateral wall of protection box (2), sliding connection has "L" type fixed plate (7) on slide bar (6), it is equipped with connecting plate (8) to place between the both sides inner wall of seat (1), the top of connecting plate (8) is equipped with magnetic core (9), the inside of magnetic core (9) is equipped with coil (10), the below of connecting plate (8) is equipped with a plurality of stitches (11).

2. A miniature high-frequency transformer as claimed in claim 1, wherein: the top inner wall of the protection box (2) is connected with two buffer springs (12), and the other ends of the buffer springs (12) are connected with arc-shaped clamping plates (13).

3. A miniature high-frequency transformer as claimed in claim 2, wherein: the protection box is characterized in that a limiting groove (14) is formed in the inner wall of the top of the protection box (2), a limiting rod (15) is movably connected to the inside of the limiting groove (14), and the other end of the limiting rod (15) extends to the outer side of the limiting groove (14) and is connected with the arc-shaped clamping plate (13).

4. A miniature high-frequency transformer as claimed in claim 1, wherein: the side wall of one side, close to the protection box (2), of the fixing plate (7) is connected with an elastic spring (16), and the other end of the elastic spring (16) is connected with the side wall of the protection box (2).

5. A miniature high frequency transformer as claimed in claim 1, wherein: a plurality of through holes (17) are formed in the bottom of the placing seat (1), and the pins (11) penetrate through the through holes (17) and extend to the bottom of the placing seat (1).

6. A miniature high-frequency transformer as claimed in claim 1, wherein: the bottom of the ear plate (3) is provided with a supporting leg (18).

7. A miniature high frequency transformer as claimed in claim 1, wherein: a plurality of heat dissipation grooves (19) are formed above the protection box (2).

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