CN208521758U - A kind of low cost transformer - Google Patents

Abstract

The utility model discloses a kind of inexpensive transformer, includes transformer framework, magnetic core, primary side and secondary side；A through-hole is equipped among the transformer framework, the outer peripheral edge of the transformer framework is equipped with annular groove；The primary side includes electromagnetic wire, and the electromagnetic wire uniform winding is on annular groove；The secondary side is the cyclic structure that full wafer iron plate is process；The secondary side is coated on the periphery of electromagnetic wire in primary side；It is formed by the way that secondary side is enclosed structure with a circle iron plate, and connection is connected into negative electrode with external electric elements (not shown) in the positive electrode on iron sheet, because conduction is apart from short, the electrical conductivity of copper and iron is under short distance conductive condition, the conductive effect of the two is similar, substantially reduces the cost of transformer.

Description

A kind of low cost transformer

Technical field

The utility model relates to field transformer technologies, refer in particular to a kind of inexpensive transformer.

Background technique

Transformer (Transformer) is the device for changing alternating voltage using the principle of electromagnetic induction, main member It is primary side, secondary side and iron core (magnetic core).In previous technology, secondary side carries out conductive use usually using copper sheet, But copper sheet manufacturing cost is too high, so that the manufacturing cost of transformer, which also increases, influences sales volume.So needing a kind of new technology To solve the above problems.

Utility model content

In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide a kind of low cost Transformer, can effectively solve existing transformer there is a problem of it is at high cost.

To achieve the above object, the utility model is using following technical solution:

A kind of low cost transformer, includes transformer framework, magnetic core, primary side and secondary side；The transformer framework Centre is equipped with a through-hole, and the outer peripheral edge of the transformer framework is equipped with annular groove；The primary side includes electromagnetic wire, the electromagnetism Line uniform winding is on annular groove；The secondary side is the cyclic structure that full wafer iron plate is process；The secondary side cladding The periphery of electromagnetic wire in primary side.

As a preferred embodiment: the secondary side is equipped with two electrodes upwardly extended along own axes direction.

As a preferred embodiment: the magnetic core is assembled in the through-hole of transformer framework.

As a preferred embodiment: the electromagnetic wire includes first coil and the second coil.

As a preferred embodiment: the corresponding circuit structure of the low cost transformer includes first coil, the second line Circle, secondary side, first capacitor, the second capacitor, third capacitor and diode, the first coil and the second coil are enclosed around 16, The secondary side is parallel with first capacitor, the second capacitor and third capacitor on 1 circle, the route of the secondary side, the third capacitor It is set between first node and second node, which is set between third node and fourth node, first electricity It is installed with and is placed between the 5th node and the 6th node, which, which extends outwardly, is provided with ground terminal, and diode setting exists The branch road of 7th node.

As a preferred embodiment: the first capacitor and third capacitor are super large capacitor.

As a preferred embodiment: the transformer framework is in I-shaped structure.

The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology Known to scheme:

By enclosing structure and forming secondary side with a circle iron plate, and by the positive electrode and negative electrode and external electric appliance on iron sheet The conducting connection of element (not shown), because conductive apart from short, the electrical conductivity of copper and iron is under short distance conductive condition, the two Conductive effect it is similar, substantially reduce the cost of transformer.

For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair The utility model is described in detail.

Detailed description of the invention

Fig. 1 is the assembling schematic perspective view of the preferred embodiment of the utility model；

Fig. 2 is the exploded view of the preferred embodiment of the utility model；

Fig. 3 is the stereoscopic schematic diagram of the secondary side of the preferred embodiment of the utility model；

Fig. 4 is the circuit diagram of the preferred embodiment of the utility model.

Description of drawing identification:

10, transformer framework 11, annular protrusion

12, through-hole 13, annular groove

20, magnetic core 21, upper magnetic core

211, upper housing 22, lower magnetic core

221, lower case 30, primary side

31, first coil 32, the second coil

40, secondary side 41, positive electrode

42, negative electrode 51, first capacitor

52, the second capacitor 53, third capacitor

54, ground terminal 55, diode

1, first node 2, second node

3, third node 4, fourth node

5, the 5th node 6, the 6th node

7, the 7th node.

Specific embodiment

Please refer to figs. 1 to 4, that show the specific structure of the preferred embodiment of the utility model, include Transformer framework 10, magnetic core 20, primary side 30 and secondary side 40.

The transformer framework 10 is in I-shaped structure, is convexly equipped with annular protrusion in the upper and lower surface of the transformer framework 10 11, a through-hole 12 is equipped among the transformer framework 10, the outer peripheral edge of the transformer framework 10 is equipped with annular groove 13.

The magnetic core 20 includes upper magnetic core 21 and lower magnetic core 22, is equipped with a upper housing 211 on this near magnetic core 21, under this Magnetic core is nearby equipped with a lower case 221, and magnetic core 21 is identical with the diameter of lower magnetic core 22 on this, magnetic core 21 and lower magnetic core 22 on this Diameter is more smaller than 12 diameter of through-hole on aforementioned transformer skeleton 10, and magnetic core 21 and lower magnetic core 22 is assembled to transformer bone on this In the through-hole 12 of frame 10.

The primary side 30 includes electromagnetic wire, which includes first coil 31 and the second coil 32, the electromagnetic wire For uniform winding on annular groove 13, aforementioned toroidal protrusion 11 is mainly that the electromagnetic wire being wrapped on annular groove 13 plays one Protective effect prevents electromagnetic wire to be detached from from transformer framework 10.

The secondary side 40 encloses structure by a circle iron plate and forms, which is that monolith iron plate processing surround and circlewise ties Structure, the secondary side 40 are coated on the periphery of electromagnetic wire in primary side 30, which is equipped with upward along own axes direction Company is connected with extraneous electric elements (not shown) in the positive electrode 41 and negative electrode 42 of extension, the positive electrode 41 and negative electrode 42 It connects.

The corresponding circuit structure of this transformer includes first coil 31, the second coil 32, secondary side 40, first capacitor 51, the second capacitor 52 and third capacitor 53, wherein the first capacitor 51 and third capacitor 53 are super large capacitor, the first coil 31 With the second coil 32 around 16 circles, the secondary side 40 around 1 circle, be parallel on the route of the secondary side 40 first capacitor 51, Second capacitor 52 and third capacitor 53, the third capacitor 53 are set between first node 1 and second node 2, second capacitor 52 are set between third node 3 and fourth node 4, which is set between the 5th node 5 and the 6th node 6, The first node 1, which extends outwardly, is provided with ground terminal 54, which is arranged on the branch road of the 7th node 7.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change Change and modify, is still within the scope of the technical solutions of the present invention.

Claims (7)

1. a kind of low cost transformer, it is characterised in that: include transformer framework, magnetic core, primary side and secondary side；The change A through-hole is equipped among depressor skeleton, the outer peripheral edge of the transformer framework is equipped with annular groove；The primary side includes electromagnetism Line, the electromagnetic wire uniform winding is on annular groove；The secondary side is the cyclic structure that full wafer iron plate is process；Described two Secondary side is coated on the periphery of electromagnetic wire in primary side.

2. a kind of inexpensive transformer according to claim 1, it is characterised in that: the secondary side is equipped with along itself axis Two electrodes that line direction upwardly extends.

3. a kind of inexpensive transformer according to claim 1, it is characterised in that: the magnetic core is assembled to transformer framework Through-hole in.

4. a kind of inexpensive transformer according to claim 1, it is characterised in that: the electromagnetic wire includes first coil With the second coil.

5. a kind of inexpensive transformer according to claim 4, it is characterised in that: the corresponding electricity of the low cost transformer Line structure includes first coil, the second coil, secondary side, first capacitor, the second capacitor, third capacitor and diode, this Around 16 circles, which is parallel with first capacitor, the on 1 circle, the route of the secondary side for one coil and the second coil Two capacitors and third capacitor, the third capacitor are set between first node and second node, which is set to third Between node and fourth node, which is set between the 5th node and the 6th node, which extends outwardly It is provided with ground terminal, which is arranged on the branch road of the 7th node.

6. a kind of inexpensive transformer according to claim 5, it is characterised in that: the first capacitor and third capacitor are Super large capacitor.

7. a kind of inexpensive transformer according to claim 1, it is characterised in that: the transformer framework is in I-shaped knot Structure.