CN206134460U - High -frequency drive transformer - Google Patents

Abstract

The utility model discloses a high -frequency drive transformer, include skeleton and insulating external member, the skeleton includes base and line frame, and the base includes the reference column and crosses the wire casing, is equipped with the metal stitch below the reference column, and the metal stitch is crooked shape, and the bottom of base still was equipped with the wire casing, and the line frame is equipped with the magnetic core including second tongue, wire winding groove and magnetic core hole, the inboard in magnetic core hole, and the insulation external member is connected at the both ends of magnetic core, and the base is connected to the bottom of insulating external member, and the base top is equipped with the winding, this high -frequency drive transformer, metal stitch trailing end connection skeleton and PCB circuit board, metal stitch are crooked shape, and the metal stitch of crooked shape can adapt to the PCB circuit board under the different situation, and the commonality is strong, and the tertiary winding in the winding is the duplex windings simultaneously of two wires, and the increase conductor cross section is long -pending, when improving work efficiency, reduces the damage to the group, improves the life -span of product, the wire that the stretches out angle of flare -outing to the sticky tape separates guarantees the safe in utilization of product.

Description

A kind of high-frequency drive transformer

Technical field

The utility model is related to transformer technology field, specifically a kind of high-frequency drive transformer.

Background technology

Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary Level coil and iron core, major function has voltage transformation, current transformation, impedance conversion, isolation, voltage stabilizing etc., and high frequency transformer is to make For the topmost part of Switching Power Supply, transformer isolation driving, vulnerabilities scan loop is made, with High Voltage electrical circuit electricity is realized Air bound is from prior art, high-frequency drive transformer has metal stitch facing one direction always, it is impossible to electric with all PCB The perfect connection of weld on the plate of road, versatility is not high, also there is a problem of that the service life of transformer is relatively low.

Utility model content

The purpose of this utility model is that offer is a kind of has the advantages that the high height being improved with life of product of versatility Frequency driving transformer, to solve the problems, such as above-mentioned background technology in propose that versatility is low and life of product is low.

For achieving the above object, the utility model provides following technical scheme：A kind of high-frequency drive transformer, including skeleton With insulation external member, the skeleton includes base and coil holder, and coil holder is located at the top of base, and the base includes locating dowel and crosses line Groove, the locating dowel is located at the bottom of base, and the side of locating dowel is provided with metal stitch, and the metal stitch is in curved shape, The lateral surface of one end connect base of metal stitch, the bottom of base is additionally provided with crossed beam trunking, and crossed beam trunking is located at the one of metal stitch Side, one end connection coil holder of the crossed beam trunking；The coil holder includes the second tongue, winding slot and magnetic core hole, and the magnetic core hole is Hollow circular hole, inner side of the magnetic core hole in coil holder, winding slot is located at the outside in magnetic core hole, and the second tongue is located at the outside of coil holder, Magnetic core is provided with the inside of the magnetic core hole, the magnetic core is cylindrical, the two ends connection insulation external member of magnetic core, the insulation sleeve The bottom connect base of part, is provided with winding above base；The winding include the first winding, the second winding, the tertiary winding and 4th winding, the inner surface connection winding slot of first winding, the second winding of the first winding top connection, the connection of the second winding The tertiary winding, the tertiary winding connects the 4th winding, and the winding is located at the inner side of winding slot, and the inside of winding is provided with wire, institute State wire to rotate along magnetic core, one end of wire connection metal stitch, shell be installed on the outside of the winding, shell it is transversal Face is rectangular, and PCB location hole, the bottom connect base of shell are provided with the outside of shell.

As further program of the utility model：The wire coiling is smooth, and the surface of wire is at enamelling process Reason.

As further program of the utility model：The monolateral grinding of the magnetic core.

As further program of the utility model：The wire stretches out the outer end of winding, and the wire for stretching out stretches angle, stretches The wire for going out is separated with adhesive tape, the minimum 3mm of isolation distance.

As further program of the utility model：The tertiary winding be two wires simultaneously and around.

Compared with prior art, the utility model beneficial effect：This high-frequency drive transformer, metal stitch tail end connection bone Frame and PCB, metal stitch is in curved shape, and the PCB that the metal stitch of curved shape is adapted under different situations is electric Road plate, highly versatile, the tertiary winding in winding is two wires simultaneously and around increase sectional area of wire improves operating efficiency While, the damage to line group is reduced, improve the life-span of product, the wire for stretching out stretches angle, and adhesive tape separates guarantee product Using safety.

Description of the drawings

Fig. 1 is side view of the present utility model；

Fig. 2 is front view of the present utility model；

Fig. 3 is upward view of the present utility model；

Fig. 4 is winding schematic diagram of the present utility model；

Fig. 5 is schematic diagram of the present utility model.

In figure：1- skeletons；11- bases；111- locating dowels；112- crossed beam trunkings；113- metal stitch；12- coil holders；121- Two tongues；122- winding slots；123- magnetic cores hole；2- insulation external members；3- magnetic cores；4- windings；The windings of 41- first；42- second around Group；The 43- tertiary windings；The windings of 44- the 4th；45- wires；5- shells；51-PCB wiring board location holes.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1-5 are referred to, in the utility model embodiment, a kind of high-frequency drive transformer, including skeleton 1 and insulation external member 2, skeleton 1 includes base 11 and coil holder 12, and coil holder 12 is in wheel shape, and coil holder 12 is located at the top of base 11, and base 11 includes fixed Position post 111 and crossed beam trunking 112, locating dowel 111 plays the role of positioning, and locating dowel 111 is located at the bottom of base 11, locating dowel 111 Side is provided with metal stitch 113, one end connection PCB circuit board of metal stitch 113, the other end connect base of metal stitch 113 11, metal stitch 113 is in curved shape, and the tail end of metal stitch 113 is away from base 11, one end connection bottom of metal stitch 113 The lateral surface of seat 11, the bottom of base 11 is additionally provided with crossed beam trunking 112, and crossed beam trunking 112 is located at the side of metal stitch 113, crosses line Groove 112 is alternately distributed with metal stitch 113, one end connection coil holder 12 of crossed beam trunking 112；Coil holder 12 include the second tongue 121, around Wire casing 122 and magnetic core hole 123, magnetic core hole 123 is that magnetic core 3 is provided with hollow circular hole, magnetic core hole 123, and magnetic core hole 123 is in line The inner side of frame 12, winding slot 122 is located at the outside in magnetic core hole 123, and winding 4, the second tongue 121 are installed in the outside of winding slot 122 Positioned at the outside of coil holder 12, magnetic core 3 is provided with the inner side in magnetic core hole 123, magnetic core 3 is cylindrical, the monolateral grinding of magnetic core 3, magnetic core 3 Two ends connection insulation external member 2, insulate external member 2 bottom connect base 11, the top of base 11 is provided with winding 4；Winding 4 includes First winding 41, the second winding 42, the winding 44 of the tertiary winding 43 and the 4th, the inner surface connection winding slot 122 of the first winding 41, First winding 41 and the junction of winding slot 122 are provided with insulating tape, the second winding 42 of the top of the first winding 41 connection, second around Group 42 connects the tertiary windings 43, the tertiary winding 43 be two wires simultaneously and around, the tertiary winding 43 connects the 4th winding 44, around Group 4 is located at the inner side of winding slot 122, and the junction of four windings is equipped with insulating tape, and the inside of winding 4 is provided with wire 45, The coiling of wire 45 is smooth, and the surface of wire 45, will not be conductive through enamelling process process, and wire 45 is along the dextrorotation of magnetic core 3 Turn, wire 45 stretches out winding 4, and the wire 45 for stretching out stretches angle, and the wire 45 for stretching out is separated with adhesive tape, the minimum 3mm of isolation distance, One end of wire 45 connects metal stitch 113, and the outside of winding 4 is provided with shell 5.PCB is offered in the both sides distribution of shell 5 Wiring board location hole 51, using insulating screw, PCB is fixed on the inner chamber of shell 5 by PCB location hole 51 In, the cross section of shell 5 is rectangular, the bottom connect base 11 of shell 5, and shell 5 is arranged in locating dowel 111.

This high-frequency drive transformer, including skeleton 1 and insulation external member 2, skeleton 1 includes base 11 and coil holder 12, base 11 Lower section be connected with metal stitch 113, the tail end connection PCB circuit board of metal stitch 113, metal stitch 113 is in curved shape, curved The metal stitch 113 of curved shape is adapted to the PCB under different situations, and highly versatile, the inner side of coil holder 12 is provided with Magnetic core 3, magnetic core 3 needs dispensing to fix with the junction of coil holder 12, the monolateral grinding of magnetic core 3, and otch is unified in product side middle part, Prevent adhesive tape after welding from upwarping, keep the size of product, improve quality, the junction of four windings to be equipped with insulating tape, around The tertiary winding 43 in group 4 is two wires simultaneously and around the increase sectional area of wire 45 while improving operating efficiency, is reduced Damage to line group 4, improves the life-span of product, and winding 4 is made up of wire 45, and the coiling of wire 45 is smooth, the surface Jing of wire 45 Enamelling process process is crossed, will not be conductive, wire 45 turns clockwise along magnetic core 3, and wire 45 stretches out winding 4, the wire for stretching out 45 stretch angle, and the wire 45 for stretching out is separated with adhesive tape, the minimum 3mm of isolation distance, it is ensured that using for product is safe.

In sum：This high-frequency drive transformer, the tail end connecting framework 1 of metal stitch 113 and PCB, metal needle Pin 113 is in curved shape, and the metal stitch 113 of curved shape is adapted to the PCB under different situations, highly versatile, The tertiary winding 43 in winding 4 is two wires simultaneously and around the increase sectional area of wire 45 while improving operating efficiency, subtracts Few damage to line group 4, improves the life-span of product, and the wire 45 for stretching out stretches angle, and adhesive tape separates using for guarantee product and pacifies Entirely.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as restriction Involved claim.

Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art Understandable other embodiment.

Claims (5)

1. a kind of high-frequency drive transformer, including skeleton (1) and insulation external member (2), it is characterised in that：The skeleton (1) includes Base (11) and coil holder (12), positioned at the top of base (11), the base (11) is including locating dowel (111) and mistake for coil holder (12) Wire casing (112), the locating dowel (111) is provided with metal stitch positioned at the bottom of base (11), the side of locating dowel (111) (113), the metal stitch (113) is in curved shape, the lateral surface of one end connect base (11) of metal stitch (113), bottom The bottom of seat (11) is additionally provided with crossed beam trunking (112), and crossed beam trunking (112) is positioned at the side of metal stitch (113), the crossed beam trunking (112) one end extends connection coil holder (12)；The coil holder (12) includes the second tongue (121), winding slot (122) and magnetic core hole (123), the magnetic core hole (123) is hollow circular hole, and the inner side of magnetic core hole (123) in coil holder (12), winding slot (122) is located at The outside in magnetic core hole (123), the second tongue (121) is provided with positioned at the outside of coil holder (12) on the inside of the magnetic core hole (123) Magnetic core (3), the magnetic core (3) is cylindrical, two ends connection insulation external member (2) of magnetic core (3), the bottom of insulation external member (2) Portion's connect base (11), is provided with winding (4) above base (11)；The winding (4) is including the first winding (41), the second winding (42), the tertiary winding (43) and the 4th winding (44), inner surface connection winding slot (122) of first winding (41), first Winding (41) top the second winding of connection (42), the second winding (42) connection tertiary winding (43), the tertiary winding (43) connection the Four windings (44), the winding (4) is positioned at the inner side of winding slot (122), and the inside of winding (4) is provided with wire (45), described to lead Line (45) rotates along magnetic core (3), one end connection metal stitch (113) of wire (45), is provided with the outside of the winding (4) Shell (5), the cross section of shell (5) is rectangular, and PCB location hole (51) is provided with the outside of shell (5), shell (5) Bottom connect base (11).

2. a kind of high-frequency drive transformer according to claim 1, it is characterised in that：The wire (45) coiling is smooth, The surface of wire (45) is through enamelling process process.

3. a kind of high-frequency drive transformer according to claim 1, it is characterised in that：The monolateral grinding of the magnetic core (3).

4. a kind of high-frequency drive transformer according to claim 1, it is characterised in that：The wire (45) stretches out winding (4) outer end, the wire for stretching out (45) stretches angle, and the wire (45) for stretching out is separated with adhesive tape, the minimum 3mm of isolation distance.

5. a kind of high-frequency drive transformer according to claim 1, it is characterised in that：The tertiary winding (43) is two Identical wire (45) while and around.