CN201112096Y - Transformer framework with plastered low-voltage coil - Google Patents

Transformer framework with plastered low-voltage coil Download PDF

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Publication number
CN201112096Y
CN201112096Y CNU2007201723516U CN200720172351U CN201112096Y CN 201112096 Y CN201112096 Y CN 201112096Y CN U2007201723516 U CNU2007201723516 U CN U2007201723516U CN 200720172351 U CN200720172351 U CN 200720172351U CN 201112096 Y CN201112096 Y CN 201112096Y
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CN
China
Prior art keywords
low
voltage coil
tension coil
plastic cement
voltage
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Expired - Fee Related
Application number
CNU2007201723516U
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Chinese (zh)
Inventor
许登贤
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Individual
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Individual
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Priority to CNU2007201723516U priority Critical patent/CN201112096Y/en
Application granted granted Critical
Publication of CN201112096Y publication Critical patent/CN201112096Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a transformer framework with a mounted low-tension coil, comprising a plastic framework and a mounted low-tension coil. A magnetic core hole is arranged in the plastic frame and two pin seats extend from the two ends of the plastic frame; the plastic framework is also provided with a high-tension coil slot and a low-tension coil zone; pins extend horizontally from the two ends of the mounted low-tension coil; the shape of an inner hole of the mounted low-tension coil is matched with the shape of outline of the low-tension coil zone on the plastic framework; the mounted low-tension coil is sheathed on the low-tension coil zone on the plastic framework, which integrates the preformed mounted low-tension coil with the plastic framework to form an integral structure; the mounted low-tension coil can be directly conjoined to a PCB plate through the pins, which is convenient for succeeding high-tension coil winding and mounting and avoids the problem that deformation and flat mounting of pins under stress caused by multiple winding in traditional technology; a sloping part and a welding part are forged on the pins, and the area of the welding part is reduced so as to overcome the defect that the phenomenon of insufficient soldering tin is not easy to occur to the pins when a traditional transformation framework is welded.

Description

Transformer framework with mounted with low-voltage coil
Technical field
The utility model belongs to the transformer technology field, it specifically is a kind of transformer framework with mounted with low-voltage coil, be set with the mounted with low-voltage coil of moulding in advance on this transformer framework, mounted with low-voltage coil can be directly and circuit board mount, and be connected with circuit board by its pin.
Background technology
Transformer framework is used to carry high pressure winding and low pressure winding, and traditional transformer framework comprises the plastic cement skeleton, and the magnetic core hole is arranged in the skeleton, and the pin seat is extended at two ends, and skeleton is provided with high-voltage line ring recess and low-voltage line ring recess.In the subsequent handling,, with the terminal and corresponding pin welding of each coil, can constitute transformer again by the coil winding machine high and low line pressure circle of coiling in the high and low pressure coil area respectively.Its operation is loaded down with trivial details, and efficient is low, and repeatedly coiling usually causes skeleton low-pressure side pin stress deformation, and is smooth bad.
The pin of traditional transformer skeleton all adopts direct cut-out, and the area of its section is bigger, easily oxidation, thus be difficult for climbing tin when causing welding, and the pin bottom also easily produces tin group and causes the finished product can't be smooth on substrate in the back-end process.
Summary of the invention
For overcoming the prior art above shortcomings, the utility model provides a kind of transformer framework with mounted with low-voltage coil, it is combined into a whole structure with mounted with low-voltage coil and plastic cement skeleton, has made things convenient for coiling, and and the attachment process of circuit board of follow-up high-tension coil.
Transformer framework with mounted with low-voltage coil of the present utility model is to realize like this.It comprises:
A plastic cement skeleton is provided with the magnetic core hole in the plastic cement skeleton, the pin seat is extended at two ends, and the plastic cement skeleton is provided with high-voltage line ring recess and low-voltage coil district; And,
A mounted with low-voltage coil, the two ends of this mounted with low-voltage coil outwards extend horizontally away pin, the interior hole shape of mounted with low-voltage coil and the low-voltage coil outer region contour shape on the plastic cement skeleton are suitable, and mounted with low-voltage coil is set in the low-voltage coil district on the plastic cement skeleton.
Wherein, mounted with low-voltage coil can have 1.75~15 circles.
Low-voltage coil district on the plastic cement skeleton is open away from an end of high-voltage line ring recess, no baffle plate, and this design can be quickly installed on the plastic cement skeleton mounted with low-voltage coil.
Pin on the plastic cement skeleton comprises support section and the terminal welding portion of injection moulding in the pin seat, connects by a downward-sloping sloping portion between described welding portion and support section.
The utility model is combined into a whole structure with the mounted with low-voltage coil and the plastic cement skeleton of moulding in advance, mounted with low-voltage coil can directly paste pcb board by its pin, greatly facilitate follow-up high-tension coil coiling, and and the attachment process of circuit board, the smooth bad problem of transformer framework low-pressure side pin stress deformation that can avoid traditional handicraft repeatedly to wind the line causing.
Forge and press out sloping portion and welding portion by mould in injection moulding on the pin of pin seat, the area of welding portion reduces, and pin is difficult for climbing the shortcoming of tin when efficiently solving the welding of traditional transformer skeleton.
Description of drawings
Fig. 1 is the structural representation of the utility model exemplary embodiments;
Fig. 2 is the mounted with low-voltage coil structural representation of Fig. 1;
Fig. 3-6 is respectively front view, left view, right view and the vertical view of Fig. 1;
Fig. 7 is the partial enlarged drawing of pin part among Fig. 3.
Embodiment
Be described further below in conjunction with the exemplary embodiments accompanying drawing.
With reference to Fig. 1-6, the transformer framework with mounted with low-voltage coil of exemplary embodiments comprises: plastic cement skeleton 1, be provided with magnetic core hole 17 in the plastic cement skeleton, pin seat 11,15 is extended at two ends, establish number of pins 10,16 on the pin seat, plastic cement skeleton 1 is provided with high-voltage line ring recess 12 and low-voltage coil district 14; And,
Mounted with low-voltage coil 2, the two ends of this mounted with low-voltage coil 2 outwards extend horizontally away pin 21,22, endoporus 23 shapes and low-voltage coil district 14 outlines on the plastic cement skeleton 1 of mounted with low-voltage coil 2 are suitable, and mounted with low-voltage coil 2 is set in the low-voltage coil district 14 on the plastic cement skeleton.
Mounted with low-voltage coil 2 adopts thicker insulated copper wire coiling moulding in advance, and the interior hole shape and the low-voltage coil outer region contour on the plastic cement skeleton of mounted with low-voltage coil are suitable.
In the specific embodiment, it is the enamel covered wire coiling moulding in advance of 0.5~2.5mm that mounted with low-voltage coil can adopt diameter, according to being used for the transformer specification requirement that pcb board mounts, the number of turn of mounted with low-voltage coil can be chosen in 1.75~15 circle scopes usually, but is not limited thereto number of turn scope.Mounted with low-voltage coil 2 has 1.75 circles among Fig. 1, and the diameter of the enamel covered wire of employing is 1.3mm.
For mounted with low-voltage coil can be quickly installed on the plastic cement skeleton, low-voltage coil district 14 adopts open by design on the plastic cement skeleton of the present utility model, be that low-voltage coil district 14 on the plastic cement skeleton is open away from an end of high-voltage line ring recess 12, no baffle plate, mounted with low-voltage coil fast can be set in this low-voltage coil district, make both in conjunction with as a whole.Outer edge in the low-voltage coil district 14 of plastic cement skeleton 1 can be provided with little protruding rice (among the figure for drawing), and this little protruding rice is close to outer of mounted with low-voltage coil 2, moves outward with restriction mounted with low-voltage coil 2.
High-voltage line ring recess 12 on the plastic cement skeleton 1 can be provided with some dividing plates 13 with the tradition design on it, be used for average voltage.High-tension coil requires other coiling according to product specification.In the bottom surface of plastic cement skeleton 1 some locating shafts 18 can be set, be used for cooperating accurately location with location hole on the circuit board.
Pin seat 11,15 is extended at plastic cement skeleton 1 two ends, establishes number of pins 10 on the pin seat 11 of nearly high-voltage line ring recess 12 1 ends, is used to connect high-tension coil, and the pin seat 15 of the plastic cement skeleton other end can be established number of pins 16, can be used for connecting low-voltage coil.This transformer framework 1 adopts metal to imbed the ejaculation injection mo(u)lding, and pin is a copper material, and the surface is for electroplating pure bright tin.
With reference to shown in Figure 7, for making things convenient for the pcb board attachment process, improve welding quality, preferably include injection moulding in the sloping portion 102 that the support section 101 of pin seat 11, terminal welding portion 103 reach between the two as the pin on the plastic cement skeleton 1 10, welding portion is connected with support section by downward-sloping sloping portion 102.The sloping portion 102 of pin and welding portion 103 are by the mould forging forming, and the area of welding portion reduces, and pin is difficult for climbing the shortcoming of tin when efficiently solving the welding of traditional transformer skeleton.
Mounted with low-voltage coil 2 is a copper material, as enamel covered wire etc., the available transparent colloid parcel in surface, mounted with low-voltage coil 2 is set in the low-voltage coil district 14 on the plastic cement skeleton, its outside horizontally extending two pins 21,22 are coated with tin coating in advance, directly paste circuit board welding as the low-pressure side pin, can improve and mount efficient.
The lower surface of the welding portion of the lower surface of two pins 21,22 of mounted with low-voltage coil 2 and all pin ends of described plastic cement skeleton is in the same plane, locatees, mounts with convenient follow-up finished product (being wound with high-tension coil) and pcb board.

Claims (8)

1, a kind of transformer framework with mounted with low-voltage coil, comprise the plastic cement skeleton, be provided with the magnetic core hole in the plastic cement skeleton, the pin seat is extended at two ends, it is characterized in that: also comprise mounted with low-voltage coil, the two ends of this mounted with low-voltage coil outwards extend horizontally away pin, are provided with high-voltage line ring recess and low-voltage coil district on described plastic cement skeleton, and described mounted with low-voltage coil is set in the low-voltage coil district on the plastic cement skeleton.
2, according to the transformer framework with mounted with low-voltage coil of claim 1, it is characterized in that: described mounted with low-voltage coil has 1.75~15 circles.
3, according to the transformer framework with mounted with low-voltage coil of claim 1 or 2, it is characterized in that: the diameter of the enamel covered wire that described mounted with low-voltage coil adopts is 0.5~2.5mm.
4, according to the transformer framework with mounted with low-voltage coil of claim 1 or 2, it is characterized in that: the low-voltage coil district on described plastic cement skeleton is open away from an end of high-voltage line ring recess, no baffle plate.
5, according to the transformer framework with mounted with low-voltage coil of claim 4, it is characterized in that: be provided with the some dividing plates that are used for average voltage in the high-voltage line ring recess on described plastic cement skeleton.
6, according to the transformer framework with mounted with low-voltage coil of claim 1, it is characterized in that: the pin on the described plastic cement skeleton comprises support section and the terminal welding portion of injection moulding in the pin seat, connects by a downward-sloping sloping portion between welding portion and support section.
7, according to the transformer framework with mounted with low-voltage coil of claim 1 or 6, it is characterized in that: the welding portion of the lower surface of two pins of described mounted with low-voltage coil and all pin ends of described plastic cement skeleton lower surface in the same plane.
8, according to the transformer framework with mounted with low-voltage coil of claim 1 or 2, it is characterized in that: the interior hole shape of described mounted with low-voltage coil and the low-voltage coil outer region contour shape on the plastic cement skeleton are suitable.
CNU2007201723516U 2007-10-08 2007-10-08 Transformer framework with plastered low-voltage coil Expired - Fee Related CN201112096Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201723516U CN201112096Y (en) 2007-10-08 2007-10-08 Transformer framework with plastered low-voltage coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201723516U CN201112096Y (en) 2007-10-08 2007-10-08 Transformer framework with plastered low-voltage coil

Publications (1)

Publication Number Publication Date
CN201112096Y true CN201112096Y (en) 2008-09-10

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Application Number Title Priority Date Filing Date
CNU2007201723516U Expired - Fee Related CN201112096Y (en) 2007-10-08 2007-10-08 Transformer framework with plastered low-voltage coil

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066808A (en) * 2013-01-11 2013-04-24 苏州中泰电子有限公司 Ultra thin type power adapter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066808A (en) * 2013-01-11 2013-04-24 苏州中泰电子有限公司 Ultra thin type power adapter

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080910

Termination date: 20121008