CN218038749U

CN218038749U - Stable and reliable miniature high-frequency transformer

Info

Publication number: CN218038749U
Application number: CN202221809021.4U
Authority: CN
Inventors: 吴升腾; 付晓红
Original assignee: Longyan Lianhe Electronic Technology Co ltd
Current assignee: Longyan Lianhe Electronic Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-13
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a reliable and stable miniature high frequency transformer, which comprises a circuit board, a set of screw hole has been seted up to the upper surface of circuit board, the upper surface of circuit board is provided with the transformer body, the last fixed surface of circuit board is connected with two sets of stands. The utility model discloses a be provided with the protecting crust, utilize the protecting crust to protect transformer body, be favorable to keeping its good running state, improve the reliability of its use, through being provided with the stand, cooperation through stand and backup pad, can support the protecting crust, can further improve the effect of its protection, through being provided with the connecting plate, utilize the connecting plate, a through-hole, the cooperation of bolt and screw hole, can fix the protecting crust, and its structure is comparatively simple, make things convenient for staff's operation, be favorable to producing it, through being provided with the ventilation hole, utilize the ventilation hole to dispel the heat to the transformer, be favorable to its long-time operation to use.

Description

Stable and reliable miniature high-frequency transformer

Technical Field

The utility model belongs to the technical field of the transformer technique and specifically relates to a reliable and stable miniature high frequency transformer.

Background

The transformer is a device for changing AC voltage by utilizing the principle of electromagnetic induction, and is formed from iron core or magnetic core and coil, the coil possesses two or more than two windings, in which the winding connected with power supply is called primary winding, and the other windings are called secondary windings, and the transformer possesses the functions of voltage conversion, current conversion, impedance conversion, isolation and voltage stabilization, etc., in which the miniature high-frequency transformer is one kind of transformer, and is a power transformer whose working frequency is greater than medium frequency (10 kHz), and is mainly used as high-frequency switching power supply transformer in the high-frequency switching power supply.

The utility model discloses a utility model patent that publication number is CN202585075U discloses a micro-transformer structure, includes a coil winding, a plurality of conducting strips to and an insulation assembly piece, the coil winding includes a coil portion, and a magnetic core group that passes the coil portion, and magnetic core group contains an at least interior magnetic core portion, and at least two outer magnetic core portions of locating interior magnetic core portion both sides respectively, has a clearance between interior magnetic core portion and the outer magnetic core portion. The conducting strip comprises at least one connecting section and two extension arms which are respectively connected with two ends of the connecting section and penetrate through the gap. The insulating assembly piece comprises a plurality of limiting holes which are arranged relative to the gap and are used for the extension arms to pass through, and a plurality of limiting parts which are respectively arranged between the two limiting holes and limit the two extension arms to abut against each other and be conducted, and the conducting piece respectively passes through the limiting holes and is limited by the limiting parts to move. The transformer can be stably arranged on the circuit board without a coil holder of a conventional transformer, and is further not limited by the coil holder to reduce the size so as to meet the trend of modern miniaturized electronic products.

However, when the transformer is used, the transformer lacks a protection function, if collision occurs, the transformer is easily damaged to influence the use, the reliability of the use is low, and certain limitations exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reliable and stable miniature high frequency transformer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a reliable and stable miniature high frequency transformer, includes the circuit board, a set of screw hole has been seted up to the upper surface of circuit board, the upper surface of circuit board is provided with transformer body, two sets of stands of last fixed surface of circuit board are connected with, every the equal fixedly connected with backup pad in top of stand, the top of circuit board is equipped with the protecting crust, a set of ventilation hole has been seted up to the upper surface of protecting crust, the equal fixedly connected with connecting plate of the left and right sides face of protecting crust, every a set of through-hole, every are all seted up to the upper surface of connecting plate the inner wall of through-hole all is equipped with the bolt, every the surface of bolt all with the inner wall threaded connection of screw hole.

In a further embodiment, the upper surface of each supporting plate is in contact with the inner top wall of the protective shell, and the left side surface and the right side surface of the protective shell are fixedly connected with anti-skid pads.

In a further embodiment, a protective pad is fixedly connected to the bottom surface of the protective shell, and the bottom surface of the protective pad is in contact with the upper surface of the circuit board.

In a further embodiment, two sets of limiting holes are formed in the upper surface of the protective shell, a limiting rod is arranged in each limiting hole, and the bottom end of each limiting rod is fixedly connected with the upper surface of the supporting plate.

In a further embodiment, the outer surface of each upright post is fixedly connected with a fixing block, and the bottom surface of each fixing block is fixedly connected with the upper surface of the circuit board.

In a further embodiment, the outer surface of each bolt is sleeved with a spring, and the bottom end of each spring is in contact with the upper surface of the connecting plate.

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

the utility model discloses a be provided with the protecting crust, utilize the protecting crust to protect the transformer body, be favorable to keeping its good running state, improve the reliability of its use, through being provided with the stand, cooperation through stand and backup pad, can support the protecting crust, can further improve the effect of its protection, through being provided with the connecting plate, utilize the connecting plate, the through-hole, the cooperation of bolt and screw hole, can fix the protecting crust, and its structure is comparatively simple, make things convenient for staff's operation, be favorable to producing it, through being provided with the ventilation hole, utilize the ventilation hole to dispel the heat to the transformer, be favorable to its long-time operation to use.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the protective shell of the utility model.

Fig. 2 is a sectional view of the front view of the utility model protective shell.

Figure 3 is a cross-sectional view of the utility model connecting plate side view.

Fig. 4 is a cross-sectional view of a top view of the protective shell of the present invention.

In the figure: 1. a circuit board; 2. a connecting plate; 3. a bolt; 4. a non-slip mat; 5. a protective shell; 6. a column; 7. a transformer body; 8. a fixed block; 9. a protective pad; 10. a spring; 11. a support plate; 12. a limiting hole; 13. a vent hole; 14. a limiting rod; 15. a threaded hole; 16. and a through hole.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

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. 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.

Please refer to fig. 1-4, in the utility model, a reliable and stable miniature high frequency transformer, including circuit board 1, a set of screw hole 15 has been seted up to the upper surface of circuit board 1, the upper surface of circuit board 1 is provided with transformer body 7, two sets of stands 6 of the last fixed surface of circuit board 1 are connected with, the equal fixedly connected with backup pad 11 in top of every stand 6, the top of circuit board 1 is equipped with protecting crust 5, a set of ventilation hole 13 has been seted up to the upper surface of protecting crust 5, the equal fixedly connected with connecting plate 2 of the left and right sides face of protecting crust 5, a set of through-hole 16 has all been seted up to the upper surface of every connecting plate 2, the inner wall of every through-hole 16 all is equipped with bolt 3, the surface of every bolt 3 all with the inner wall threaded connection of screw hole 15.

The upper surface of every backup pad 11 all contacts with the interior roof of protecting crust 5, the equal fixedly connected with slipmat 4 of left and right sides face of protecting crust 5, it is favorable to the staff to take protecting crust 5 to utilize slipmat 4, the bottom surface fixedly connected with protecting mat 9 of protecting crust 5, the bottom surface of protecting mat 9 contacts with the upper surface of circuit board 1, can protect circuit board 1 through protecting mat 9, avoid the upper surface of circuit board 1 and the bottom surface contact of protecting crust 5 and produce wearing and tearing, two sets of spacing holes 12 have been seted up to the upper surface of protecting crust 5, the inside of every spacing hole 12 all is equipped with gag lever post 14, the bottom of every gag lever post 14 all is connected with the upper surface fixed connection of backup pad 11, utilize gag lever post 14 to make things convenient for the staff to install protecting crust 5, the operation of the staff of being convenient for.

The equal fixedly connected with fixed block 8 of surface of every stand 6, the bottom surface of every fixed block 8 all is connected with the last fixed surface of circuit board 1, can consolidate stand 6 through fixed block 8, it is more firm to make its connection between 1 with the circuit board, the surface of every bolt 3 all overlaps and is equipped with spring 10, the bottom of every spring 10 all contacts with the upper surface of connecting plate 2, the elasticity that utilizes spring 10 to provide can compress tightly connecting plate 2, be favorable to fixing protecting crust 5.

The utility model discloses a theory of operation is:

when the staff uses this transformer, at first need rotate bolt 3, make bolt 3 and screw hole 15 separation, then the staff can take up protective housing 5 through slipmat 4, take off protective housing 5 from the top of circuit board 1, can install transformer body 7 to the surface of circuit board 1 and use immediately, after the completion is to transformer body 7's installation, need install protective housing 5, at first, align spacing hole 12 and gag lever post 14 on protective housing 5 and put down, then can pass through-hole 16 and be connected with screw hole 15 on circuit board 1 surface with bolt 3, and then can fix protective housing 5 through connecting plate 2 and spring 10, protect transformer body 7, can carry out the cooling process to transformer body 7 through ventilation hole 13 at the in-process that uses simultaneously.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A stable and reliable miniature high-frequency transformer is characterized in that: including circuit board (1), a set of screw hole (15) has been seted up to the upper surface of circuit board (1), the upper surface of circuit board (1) is provided with transformer body (7), the upper surface fixedly connected with two sets of stand (6) of circuit board (1), every the equal fixedly connected with backup pad (11) in top of stand (6), the top of circuit board (1) is equipped with protecting crust (5), a set of ventilation hole (13) has been seted up to the upper surface of protecting crust (5), the equal fixedly connected with connecting plate (2) of the left and right sides face of protecting crust (5), every a set of through-hole (16) has all been seted up to the upper surface of connecting plate (2), every the inner wall of through-hole (16) all is equipped with bolt (3), every the surface of bolt (3) all with the inner wall threaded connection of screw hole (15).

2. The stable and reliable miniature high-frequency transformer according to claim 1, wherein: the upper surface of each supporting plate (11) is in contact with the inner top wall of the protective shell (5), and anti-slip pads (4) are fixedly connected to the left side face and the right side face of the protective shell (5).

3. The stable and reliable miniature high-frequency transformer according to claim 1, wherein: the bottom surface fixedly connected with protection pad (9) of protective housing (5), the bottom surface of protection pad (9) contacts with the upper surface of circuit board (1).

4. The stable and reliable miniature high-frequency transformer according to claim 1, wherein: two sets of spacing holes (12) have been seted up to the upper surface of protecting crust (5), every the inside in spacing hole (12) all is equipped with gag lever post (14), every the bottom of gag lever post (14) all is connected with the upper surface fixed of backup pad (11).

5. The stable and reliable miniature high-frequency transformer according to claim 1, wherein: the outer surface of each upright post (6) is fixedly connected with a fixing block (8), and the bottom surface of each fixing block (8) is fixedly connected with the upper surface of the circuit board (1).

6. The stable and reliable miniature high-frequency transformer according to claim 1, wherein: every the surface of bolt (3) all is equipped with spring (10), every the bottom of spring (10) all contacts with the upper surface of connecting plate (2).