CN210575487U

CN210575487U - Novel transformer framework used in 60-watt low-power transformer

Info

Publication number: CN210575487U
Application number: CN201921933897.8U
Authority: CN
Inventors: 张加兵
Original assignee: Shenzhen Fule Electronic Co Ltd
Current assignee: Shenzhen Fule Electronic Co Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-05-19
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a novel transformer framework used in a 60W low-power transformer, which comprises a framework body, a base, a winding groove, a separation plate, a magnetic core hole and a pin, wherein the framework body is in a long strip shape, and the middle of the framework body is provided with the magnetic core hole in the long strip shape; the base is located skeleton body below, the wire winding groove is located the base top, the division board is located the wire winding groove top, the stitch is located the base below, its characterized in thatThe whole height of the framework is 15mm, and the whole height is small; the length from the output end to the pin is 8.50mm, the safety distance is achieved, the direct installation is realized without flying wires, the installation process is simple, and time and labor are saved; AE value of 206mm²The AE value is large, the number of winding turns is small, the line loss is small, the temperature rise and fall change is low, the safety coefficient is high, the service life of the product is long, and the product structure is simple.

Description

Novel transformer framework used in 60-watt low-power transformer

Technical Field

The utility model relates to a transformer technical field, concretely relates to transformer skeleton.

Background

The transformer bobbin is an important component of the transformer, and provides a winding space for copper wires in the transformer and fixes a magnetic core in the transformer. Along with the development and use of electronic products, the demand of consumer small-power transformers is increasingly large, the quality requirements on the transformers are also increasingly high, the overall finished product size is required to be small, the safety coefficient is required to be high, and the transformer is durable. The transformer framework used in the 60W power transformer in the current market has defects, 1) the height of the transformer framework is generally between 20mm and 22mm, the height is high, the overall height of the installed product is high, and the volume of the product is large; 2) the length of the output end is short, the length from the rubber-coated winding coil to the transformer pin is generally 5.0 mm-6.0 mm, the safety distance cannot reach more than 6.5mm, wire flying is needed during installation, the installation process is complex, and the working procedures are increased; 3) the temperature of transformer has decided the life of product, and the AE value on the market is generally between 65~120 at present, and the AE value is little, and that coil is that the number of turns just more generally reaches about 60 circles, and the many line losses of the number of turns of wire are just more, and the transformer temperature rise just is higher, makes the whole temperature of transformer high, easy short circuit, and factor of safety is low.

Disclosure of Invention

The utility model provides a novel transformer skeleton who uses in 60 watts low power transformer, it is high low, ann rule apart from long, the AE value is big, overall structure is simple, convenient to use to solve the defect in the above-mentioned background art.

A novel transformer framework used in a 60-watt low-power transformer comprises a framework body, a base, a winding groove, an isolation plate, a magnetic core hole and pins.

The framework body is in a strip shape, and a strip-shaped magnetic core hole is formed in the middle of the framework body; the base is located skeleton body below, the wire winding groove is located the base top, the division board is located the wire winding groove top, the stitch is located the base below.

The left end of the base is slightly smaller than the right end, the middle of the base is rectangular, and the base is provided with a through hole, an output end, an input end, a PIN seat and a wire passing groove; the through hole is arranged in the middle of the base, is long in strip shape, and is arc-shaped at two ends; the left end of the through hole is an output end, and the right end of the through hole is an input end; a plurality of PIN seats are arranged below the output end and the input end; a wire passing groove is formed between the 2 PIN seats; PINs are arranged below each PIN seat; the method is characterized in that: the length from the output end to the pin is 8.50mm, and the length from the input end to the pin is 5.50 mm.

The winding groove encloses the top that is located the base through-hole, and the through-hole intercommunication of winding inslot portion cavity and base forms the magnetic core hole, the division board is located above the winding groove, its characterized in that: the cross-sectional surface of the core hole was 25.30mm in length and 8.80mm in width, and the AE value was calculated to be 206mm according to the AE value calculation method²(ii) a The height of the winding groove is 6.0mm, the height from the upper surface of the isolation plate to the lower surface of the PIN seat is 12.10mm, and after PINs are inserted, the overall height of the transformer framework is 15mm.

Preferably, the isolation plate is located above the through hole of the base and is used for fixing the coil when the coil is wound.

As a preferred scheme, the width of the output end is 8.50mm, the length of the output end is 22.40mm, 4 PIN seats are arranged below the output end, the distance between every two adjacent PIN seats is 5.50mm, and 1 PIN is arranged below each PIN seat.

As a preferred scheme, the width of input is 5.50mm, and length is 25.40mm, is equipped with 6 PIN seats below the input, and the distance between its adjacent 2 PIN seats is 4.00mm, is equipped with 1 stitch under each PIN seat.

Preferably, the length of the framework body is 49 mm.

The utility model has the advantages that: the overall height of the framework is 15mm, and the overall height is small; the length from the output end to the pin is 8.50mm, the safety distance is achieved, the direct installation is realized without flying wires, the installation process is simple, and time and labor are saved; AE value of 206mm²The AE value is large, the number of winding turns is small, the line loss is small, the temperature rise and fall change is low, the safety coefficient is high, the service life of the product is long, and the product structure is simple.

[ description of the drawings ]

FIG. 1 is a schematic side sectional view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a bottom view of the present invention;

FIG. 4 is a perspective view of the present invention;

FIG. 5 is another perspective view of the present invention;

note: the units of dimensions on the graph are: mm.

Wherein: skeleton body 1, base A, wire winding groove B, division board C, magnetic core hole D, through-hole A1, output A2, input A3, PIN seat A4, cross wire casing A5, winding stitch E, ann rule distance F.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further described in detail with reference to the drawings and the embodiments.

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by "upper", "lower", "left", "right", etc. are the directions or positional relationships shown on the basis of the drawings, and are merely for the purpose of changing the description of the present invention and simplifying the description, the terms do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, the technical solution adopted by the embodiment of the present invention is: a novel transformer framework used in a 60-watt low-power transformer comprises a framework body 1, a base A, a winding groove B, an isolation plate C, a magnetic core hole D and a pin F.

The framework body 1 is in a strip shape, and a strip-shaped magnetic core hole D is formed in the middle of the framework body; the base A is located the 1 below of skeleton body, wire winding groove B is located the base A top, division board C is located wire winding groove B top, stitch E is located the base A below.

The left end of the base A is slightly smaller than the right end, the middle of the base A is rectangular, and the base A is provided with a through hole A1, an output end A2, an input end A3, a PIN seat A4 and a wire passing groove A5; the through hole A1 is arranged in the middle of the base A, is long-strip-shaped, and has two arc-shaped ends; the left end of the through hole A1 is an output end A2, and the right end is an input end A3; a plurality of PIN seats A4 are arranged below the output end A2 and the input end A3; a wire passing groove A5 is formed between the 2 PIN seats A4; a PIN E is arranged below each PIN seat A4; the method is characterized in that: the length from output end A2 to pin E is 8.50mm and the length from input end A3 to pin E is 5.50 mm.

Wire winding groove B encloses the top that is located base A through-hole A1, and wire winding groove B inside cavity and base A's through-hole A1 intercommunication form magnetic core hole D, division board C is located magnetic core hole D (also be wire winding groove B simultaneously) above, its characterized in that: the cross-sectional surface of the core hole D was 25.30mm long by 8.80mm wide, and the AE value was calculated to be 206mm according to the AE value calculation method²(ii) a The height of the winding groove B is 6.0mm, the height from the upper surface of the isolation board C to the lower surface of the PIN seat A4 is 12.10mm, and after a PIN E is inserted, the overall height of the transformer framework 1 is 15mm.

Preferably, the isolation plate C is located above the through hole a1 of the base a, and is used for fixing the coil when winding.

Preferably, the width of the output end A2 is 8.50mm, the length of the output end A2 is 22.40mm, 4 PIN seats A4 are arranged below the output end A2, the distance between every two adjacent 2 PIN seats A4 is 5.50mm, and 1 PIN E is arranged below each PIN seat A4.

Preferably, the width of the input end A3 is 5.50mm, the length is 25.40mm, 6 PIN seats A4 are arranged below the input end A3, the distance between every two adjacent PIN seats A4 is 4.00mm, and 1 PIN E is arranged below each PIN seat A4.

Preferably, the length of the framework body 1 is 49 mm.

The utility model discloses a theory of operation does: in the transformer, the service life and the safety coefficient of the transformer are determined by the temperature rise and fall change of the transformer, the cross section area of the magnetic core hole is large, the AE value is large, and the number of turns of winding required is small; the utility model discloses in, the AE value reachs 206mm²Therefore, the number of turns of the winding required in the winding groove is small, and the number of turns of the winding is small

The winding number is about 20-30 circles, the winding loss is small, so that the temperature rise and fall change of the transformer is small, the effect is high, the service life of a product is long, the length of an output end is long, the safety distance is reached, no flying wire needs to be additionally installed, the safety coefficient is high, and the installation process is simplified; because the number of winding turns is little, the height in wire winding groove reduces, makes whole transformer skeleton finished product height little, and when the power during the installation, more can satisfy the user to the requirement of product outward appearance smallclothes for more conveniently carry during portable power source.

The utility model discloses accurate design of each partial size, simple structure, the simple installation, factor of safety is high, is worth wideling popularize and use.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.

Claims

1. The utility model provides a novel transformer skeleton that uses in 60W miniwatt transformer, includes skeleton body, base, wire winding groove, division board, magnetic core hole, stitch, its characterized in that:

the framework body is in a strip shape, and a strip-shaped magnetic core hole is formed in the middle of the framework body; the base is positioned below the framework body, the winding groove is positioned above the base, the isolation plate is positioned above the winding groove, and the pins are positioned below the base;

the left end of the base is slightly smaller than the right end, the middle of the base is rectangular, and the base is provided with a through hole, an output end, an input end, a PIN seat and a wire passing groove; the through hole is arranged in the middle of the base, is long in strip shape, and is arc-shaped at two ends; the left end of the through hole is an output end, and the right end of the through hole is an input end; a plurality of PIN seats are arranged below the output end and the input end; a wire passing groove is formed between the 2 PIN seats; PINs are arranged below each PIN seat, the length from the output end to each PIN is 8.50mm, and the length from the input end to each PIN is 5.50 mm;

the winding groove is surrounded above the through hole of the base, the hollow part inside the winding groove is communicated with the through hole of the base to form a magnetic core hole, the length of the cross section surface of the magnetic core hole is 25.30mm, the width of the cross section surface of the magnetic core hole is 8.80mm, and the AE value is calculated to be 206mm according to the AE value calculation method²(ii) a The height of the winding groove is 6.0mm, the height from the upper surface of the isolation plate to the lower surface of the PIN seat is 12.10mm, and after PINs are inserted, the overall height of the transformer framework is 15mm.

2. The novel transformer bobbin of claim 1, used in a 60 watt low power transformer, characterized in that: the isolation plate is positioned above the through hole of the base and plays a role in fixing the coil when acting on winding.

3. The novel transformer bobbin of claim 1, used in a 60 watt low power transformer, characterized in that: the output width is 8.50mm, and length is 22.40mm, and the output below is equipped with 4 PIN seats, and the distance between its adjacent 2 PIN seats is 5.50mm, is equipped with 1 stitch under every PIN seat.

4. The novel transformer bobbin of claim 1, used in a 60 watt low power transformer, characterized in that: the width of input is 5.50mm, and length is 25.40mm, and the input below is equipped with 6 PIN seats, and the distance between its adjacent 2 PIN seats is 4.00mm, is equipped with 1 stitch under every PIN seat.

5. The novel transformer bobbin of claim 1, used in a 60 watt low power transformer, characterized in that: the length of the framework body is 49 mm.