CN111462995A - Transformer easy to produce and manufacture and manufacturing method thereof - Google Patents

Transformer easy to produce and manufacture and manufacturing method thereof Download PDF

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Publication number
CN111462995A
CN111462995A CN202010372833.6A CN202010372833A CN111462995A CN 111462995 A CN111462995 A CN 111462995A CN 202010372833 A CN202010372833 A CN 202010372833A CN 111462995 A CN111462995 A CN 111462995A
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CN
China
Prior art keywords
framework
wire
pin
pressing
enameled wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010372833.6A
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Chinese (zh)
Inventor
王永刚
周衡山
张春雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Pulse Electronics Co Ltd
Original Assignee
Dongguan Pulse Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Pulse Electronics Co Ltd filed Critical Dongguan Pulse Electronics Co Ltd
Priority to CN202010372833.6A priority Critical patent/CN111462995A/en
Publication of CN111462995A publication Critical patent/CN111462995A/en
Priority to CN202010904866.0A priority patent/CN111899966A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306Fastening or mounting coils or windings on core, casing or other support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • H01F27/2828Construction of conductive connections, of leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06Coil winding
    • H01F41/076Forming taps or terminals while winding, e.g. by wrapping or soldering the wire onto pins, or by directly forming terminals from the wire
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06Coil winding
    • H01F41/098Mandrels; Formers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

The invention discloses a transformer easy to produce and manufacture and a manufacturing method thereof, wherein the transformer comprises a framework, pins and a winding magnetic core; the winding magnetic core is arranged on the framework, the framework is provided with a wire passing groove, the winding magnetic core is provided with an enameled wire, and the end part of the enameled wire extends into the wire passing groove and extends outwards; the upper ends of the pins are provided with pressing parts, the pins are installed on two sides of the framework in a split mode, the pressing parts are pressed and held on the enameled wires corresponding to the wire passing grooves, the lower ends of the pins penetrate through the framework and are bent outwards to be buckled on the framework, so that the enameled wires are clamped and positioned between the pressing parts and the framework, and the pressing parts are electrically connected and conducted with the enameled wires; so, through pin and the design of crossing the wire casing, locate the wire casing with the enameled wire to utilize the pin to press to hold in the location of crossing the wire casing in order to realize the enameled wire and connect, structural design is simple, and is ingenious reasonable, easy operation, and the equipment is convenient, has improved the production efficiency of product, and the practicality is strong, and application scope is wide.

Description

Transformer easy to produce and manufacture and manufacturing method thereof
Technical Field
The invention relates to the technical field of transformers, in particular to a transformer easy to produce and manufacture and a manufacturing method thereof, which are mainly applied to network transformers.
Background
With the development of science and technology, more and more electric appliances enter the production and life of common people; the design and use of the transformer are very important, and the transformer can convert alternating current and high-voltage commercial power which are commonly used in an external circuit into low-voltage direct current which is used by some small-power equipment; generally, a transformer comprises a framework, a winding magnetic core and pins, wherein the pins are embedded and formed on the framework, and enameled wires of the winding magnetic core need to be wound on the pins; however, the conventional wire-wound magnetic core is formed by winding an enameled wire on a pin through tweezers, and has the disadvantages of troublesome operation, inconvenient use, low production efficiency and small application range.
Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide a transformer easy to produce and manufacture and a method for manufacturing the same, wherein the enameled wire is arranged in the wire passing groove by the design of the pins and the wire passing groove, and the pins are pressed and held in the wire passing groove to realize the positioning connection of the enameled wire, so that the transformer is simple to operate, convenient to assemble, high in production efficiency of the product, and wide in application range.
In order to achieve the purpose, the invention adopts the following technical scheme:
a transformer easy to produce and manufacture comprises a framework, pins and a winding magnetic core; wherein:
the winding magnetic core is arranged in the framework, a wire passing groove is formed in the framework, the winding magnetic core is provided with an enameled wire, and the end part of the enameled wire extends into the wire passing groove and extends outwards;
the upper end of pin is provided with presses and holds the portion, the pin is split type installation in the both sides of skeleton, press to hold the portion and press to hold on the enameled wire corresponding crossing the wire casing, the lower extreme of pin passes the skeleton and outwards buckles in the skeleton to make the enameled wire be fixed in position by the centre gripping and press to hold between portion, the skeleton, just, press to hold portion and enameled wire electric connection and switch on.
As a preferred scheme, the framework is provided with an accommodating cavity with an opening at the upper end, the winding magnetic core is arranged in the accommodating cavity, and the wire passing grooves are arranged on the left side and the right side of the upper end of the framework; correspondingly, the pins are arranged on the left side and the right side of the framework and positioned on the inner side of the wire passing groove.
As a preferred scheme, the left end and the right end of skeleton are provided with the supporting part, cross the wire casing and set up on the supporting part, press the portion of holding and push down and contradict in the upper end of supporting part, the lower extreme of pin passes the outside setting of buckling of supporting part.
As a preferred scheme, the supporting part is provided with a limiting groove extending downwards, the inner end of the limiting groove is communicated with the accommodating cavity, the wire passing groove is formed in the bottom end of the limiting groove, and the pressing part is limited by the inner end face of the limiting groove.
As a preferable scheme, the pressing and holding part is provided with an extending part, the extending part is correspondingly arranged at the upper end of the wire passing groove, and the pressing and holding part moves downwards to press and hold the extending part on the enameled wire.
Preferably, the pressing part and the enameled wire are welded and fixed.
A method of making a transformer comprising the bobbin of claim 1, a wound core and pins; the assembling steps comprise:
step one, mounting a winding magnetic core in a framework, and enabling an enameled wire to be arranged in a wire passing groove in a pre-positioning mode;
step two, the pins are arranged on the framework, the pressing and holding part presses downwards towards the wire passing groove, and the lower ends of the pins penetrate through the framework and are bent outwards so that the enameled wire is clamped and positioned between the pressing and holding part and the framework;
and step three, electrically connecting and conducting the pressing and holding part of the pin and the enameled wire.
The manufacturing method of the transformer comprises the framework, the winding magnetic core and the pins; the assembling steps comprise:
step one, respectively installing a winding magnetic core and pins in a framework, wherein the pins are installed on the framework in a pre-positioning mode, and the enameled wires are arranged in a wire passing groove in the pre-positioning mode;
pressing the pressing and holding part of the pin towards the wire passing groove, wherein the lower end of the pin penetrates through the framework and is bent outwards so that the enameled wire is clamped and positioned between the pressing and holding part and the framework;
and step three, electrically connecting and conducting the pressing and holding part of the pin and the enameled wire.
Preferably, in the third step, the pressing portion of the pin and the enameled wire are connected and conducted by welding.
Compared with the prior art, the enameled wire positioning device has the advantages and beneficial effects, and particularly, according to the technical scheme, the enameled wire is arranged in the wire passing groove mainly through the design of the pins and the wire passing groove, and is pressed and held in the wire passing groove by the pins to realize the positioning connection of the enameled wire, so that the enameled wire positioning device is simple in structural design, ingenious, reasonable, simple to operate, convenient to assemble, high in production efficiency and practicability and wide in application range;
and the arrangement of the bending part and the inclined plane facilitates the positioning connection between the enameled wire and the wire passing groove, and the arrangement of the positioning surface is beneficial to the positioning connection between the pin and the framework, so that the subsequent operation process is facilitated, and the usability is good.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a first perspective view of a first embodiment of the present invention (in the figure, the pressing portion of the lead is not pressed on the wire passing groove);
FIG. 2 is another angular schematic view of the structure shown in FIG. 1;
FIG. 3 is an enlarged partial schematic view of the structure shown in FIG. 2;
FIG. 4 is a second perspective view of the first embodiment of the present invention (the pressing portion of the lead pin is pressed against the wire-passing groove);
FIG. 5 is an enlarged partial schematic view of the structure shown in FIG. 4;
FIG. 6 is a third perspective view of the first embodiment of the present invention;
FIG. 7 is a front view of the first embodiment of the present invention;
FIG. 8 is a schematic view illustrating an unfolded state of the leads according to the first embodiment of the present invention;
FIG. 9 is a first partial schematic view of the first embodiment of the present invention (the pressing portion of the lead is not pressed on the wire guiding groove, and the enameled wire is not shown);
FIG. 10 is a second partial schematic view of the first embodiment of the present invention (the pressing portion of the lead is pressed against the wire guiding groove, and the enameled wire is not shown);
FIG. 11 is a first partial schematic view of a second embodiment of the present invention (the pressing portion of the lead is not pressed on the wire groove);
FIG. 12 is a second partial schematic view of the second embodiment of the present invention (in the figure, the pressing portion of the lead is pressed against the wire passing groove).
The attached drawings indicate the following:
10. framework 11 and accommodating cavity
12. Supporting part 121, limiting groove
122. Wire passing groove 123 and positioning inclined plane
124. Positioning surface 20, pins
21. Pressing part 22, extension part
30. Wound magnetic core 31 and enameled wire
311. A bending part.
Detailed Description
Referring to fig. 1 to 12, specific structures of two embodiments of the present invention are shown.
As shown in fig. 1 to 10, in the first embodiment, a transformer easy to manufacture includes a bobbin 10, a lead 20, and a wound core 30; wherein:
the winding magnetic core 30 is arranged in the framework 10, a wire passing groove 122 is arranged on the framework 10, the winding magnetic core 30 is provided with an enameled wire 31, and the end part of the enameled wire 31 extends into the wire passing groove 122 and extends outwards;
the upper end of the pin 20 is provided with a pressing part 21, the pin 20 is installed on two sides of the framework 10 in a split manner, the pressing part 21 is pressed on the enameled wire 31 corresponding to the wire passing groove 122, the lower end of the pin 20 passes through the framework 10 and is bent outwards to be buckled on the framework 10, so that the enameled wire 31 is clamped and positioned between the pressing part 21 and the framework 10, and the pressing part 21 is electrically connected and conducted with the enameled wire 31; through the design of pin and wire passing groove, locate the wire passing groove with the enameled wire to utilize the pin to press and hold in the wire passing groove in order to realize the location of enameled wire and connect, easy operation, the equipment is convenient, has improved the production efficiency of product, and the practicality is strong, and application scope is wide.
Generally, the bobbin 10 has a receiving cavity 11 with an open upper end, the wound magnetic core 30 is disposed in the receiving cavity 11, and the wire passing grooves 122 are disposed on the left and right sides of the upper end of the bobbin 10; correspondingly, the pins 20 are disposed on the left and right sides of the frame 10 and located inside the wire passing groove 122.
Here, the left and right ends of the frame 10 are provided with supporting portions 12, the wire passing groove 122 is provided on the supporting portions 12, the pressing and holding portion 21 presses and abuts against the upper ends of the supporting portions 12, and the lower ends of the pins 20 are bent outwards through the supporting portions 12; the supporting portion 12 has a limiting groove 121 extending downward, the inner end of the limiting groove 121 is communicated with the accommodating cavity 11, the wire passing groove 122 is disposed at the bottom end of the limiting groove 121, and the pressing portion 21 is limited by the inner end surface of the limiting groove 121.
Furthermore, a bending portion 311 is arranged on the enameled wire 31, a positioning inclined surface 123 is arranged at the inner end of the wire passing groove 122, and the bending portion 311 of the enameled wire 31 is limited on the positioning inclined surface 123; meanwhile, a positioning surface 124 is further provided, the positioning surface 124 is located beside the positioning inclined surface 123, and the inner end of the pin 20 is limited on the positioning surface 124.
The pin 20 is L-shaped, and is C-shaped after the lower end of the pin 20 is bent outwards, preferably, the pressing part 21 and the enameled wire 31 are both fixed by welding, wherein the welding is particularly fixed by soldering tin.
As shown in fig. 11 and 12, the main difference between the second embodiment and the first embodiment is as follows: the pressing and holding part 21 is provided with an extending part 22, the extending part 22 is correspondingly arranged at the upper end of the wire passing groove 122, and the pressing and holding part 21 moves downwards to press and hold the extending part 22 on the enameled wire 31; here, the enamel wire 31 is linearly disposed in the wire passage groove 122.
A method for manufacturing a transformer comprises a framework 10, a wound magnetic core 30 and pins 20; the assembling steps comprise:
step one, installing a winding magnetic core 30 in a framework 10, and enabling an enameled wire 31 to be pre-positioned and arranged in a wire passing groove 122;
step two, the pin 20 is mounted on the framework 10, the pressing part 21 is pressed downwards towards the wire passing groove 122, and the lower end of the pin 20 passes through the framework 10 and is bent outwards so that the enameled wire 31 is clamped and positioned between the pressing part 21 and the framework 10;
and step three, electrically connecting and conducting the pressing part 21 of the pin 20 and the enameled wire 31.
The manufacturing method of the transformer comprises the framework, the winding magnetic core and the pins; the assembling steps comprise:
step one, respectively installing a winding magnetic core and pins in a framework, wherein the pins are installed on the framework in a pre-positioning mode, and the enameled wires are arranged in a wire passing groove in the pre-positioning mode;
pressing the pressing and holding part of the pin towards the wire passing groove, wherein the lower end of the pin penetrates through the framework and is bent outwards so that the enameled wire is clamped and positioned between the pressing and holding part and the framework;
and step three, electrically connecting and conducting the pressing and holding part of the pin and the enameled wire.
Preferably, in the third step, the pressing portion 21 of the pin 20 and the enameled wire 31 are connected and conducted by welding.
The enameled wire is arranged in the wire passing groove mainly through the design of the pins and the wire passing groove, and the pins are pressed and held in the wire passing groove to realize the positioning connection of the enameled wire, so that the enameled wire is simple in structural design, ingenious, reasonable, simple to operate, convenient to assemble, high in production efficiency and practicability and wide in application range;
and the arrangement of the bending part and the inclined plane facilitates the positioning connection between the enameled wire and the wire passing groove, and the arrangement of the positioning surface is beneficial to the positioning connection between the pin and the framework, so that the subsequent operation process is facilitated, and the usability is good.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (10)

1. The utility model provides a transformer of easy production preparation which characterized in that: comprises a framework (10), pins (20) and a winding magnetic core (30); wherein:
the winding magnetic core (30) is arranged in the framework (10), a wire passing groove (122) is formed in the framework (10), the winding magnetic core (30) is provided with an enameled wire (31), and the end part of the enameled wire (31) extends into the wire passing groove (122) and extends outwards;
the upper end of pin (20) is provided with presses and holds portion (21), pin (20) are split type and install in the both sides of skeleton (10), press and hold portion (21) and press to hold on enameled wire (31) corresponding wire groove (122), the lower extreme of pin (20) passes skeleton (10) and outwards buckles in skeleton (10) of buckling to make enameled wire (31) be fixed in the pressure by the centre gripping and hold between portion (21), skeleton (10), just, press and hold portion (21) and enameled wire (31) electric connection and switch on.
2. The transformer easy to manufacture and manufacture according to claim 1, wherein: the bobbin (10) is provided with an accommodating cavity (11) with an opening at the upper end, the winding magnetic core (30) is arranged in the accommodating cavity (11), and the wire passing grooves (122) are arranged on the left side and the right side of the upper end of the bobbin (10); correspondingly, the pins (20) are arranged on the left side and the right side of the framework (10) and are positioned on the inner side of the wire passing groove (122).
3. The transformer easy to manufacture and manufacture according to claim 2, wherein: the left end and the right end of the framework (10) are provided with supporting parts (12), the wire passing grooves (122) are formed in the supporting parts (12), and the lower ends of the pins (20) penetrate through the supporting parts (12) to be bent outwards.
4. The transformer easy to manufacture and manufacture according to claim 3, wherein: the supporting portion (12) is provided with a limiting groove (121) extending downwards, the inner end of the limiting groove (121) is communicated with the accommodating cavity (11), the wire passing groove (122) is formed in the bottom end of the limiting groove (121), and the pressing portion (21) is limited by the inner end face of the limiting groove (121).
5. The transformer easy to manufacture and manufacture according to claim 1, wherein: the pressing and holding part (21) is provided with an extending part (22), the extending part (22) is correspondingly arranged at the upper end of the wire passing groove (122), and the pressing and holding part (21) moves downwards to enable the extending part (22) to be pressed and held on the enameled wire (31).
6. The transformer easy to manufacture and manufacture according to claim 1, wherein: the pressing part (21) and the enameled wire (31) are welded and fixed.
7. A manufacturing method of a transformer is characterized by comprising the following steps: comprising a former (10) according to any one of claims 1 to 6, a wound core (30) and a pin (20); the assembling steps comprise:
step one, a winding magnetic core (30) is arranged in a framework (10), and an enameled wire (31) is arranged in a wire passing groove (122) in a pre-positioning manner;
secondly, the pins (20) are installed on the framework (10), the pressing and holding part (21) is pressed downwards towards the wire passing groove (122), and the lower ends of the pins (20) penetrate through the framework (10) and are bent outwards so that the enameled wires (31) are clamped and positioned between the pressing and holding part (21) and the framework (10);
and step three, electrically connecting and conducting the pressing part (21) of the pin (20) and the enameled wire (31).
8. The method of claim 7, wherein the method comprises: in the third step, the pressing part (21) of the pin (20) and the enameled wire (31) are connected and conducted in a welding mode.
9. A manufacturing method of a transformer is characterized by comprising the following steps: comprising a former (10) according to any one of claims 1 to 6, a wound core (30) and a pin (20); the assembling steps comprise:
step one, a winding magnetic core (30) and a pin (20) are respectively installed in a framework (10), wherein the pin (20) is installed on the framework (10) in a pre-positioned mode, and an enameled wire (31) is arranged in a wire passing groove (122) in the pre-positioned mode;
pressing the pressing and holding part (21) of the pin (20) towards the wire passing groove (122), wherein the lower end of the pin (20) penetrates through the framework (10) and is bent outwards so that the enameled wire (31) is clamped and positioned between the pressing and holding part (21) and the framework (10);
and step three, electrically connecting and conducting the pressing part (21) of the pin (20) and the enameled wire (31).
10. The method of claim 9, wherein the step of manufacturing the transformer comprises: in the third step, the pressing part (21) of the pin (20) and the enameled wire (31) are connected and conducted in a welding mode.
CN202010372833.6A 2020-05-06 2020-05-06 Transformer easy to produce and manufacture and manufacturing method thereof Pending CN111462995A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010372833.6A CN111462995A (en) 2020-05-06 2020-05-06 Transformer easy to produce and manufacture and manufacturing method thereof
CN202010904866.0A CN111899966A (en) 2020-05-06 2020-09-01 Transformer easy to produce and manufacture and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010372833.6A CN111462995A (en) 2020-05-06 2020-05-06 Transformer easy to produce and manufacture and manufacturing method thereof

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Publication Number Publication Date
CN111462995A true CN111462995A (en) 2020-07-28

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CN202010904866.0A Pending CN111899966A (en) 2020-05-06 2020-09-01 Transformer easy to produce and manufacture and manufacturing method thereof

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Publication number Priority date Publication date Assignee Title
CN114121455A (en) * 2021-11-23 2022-03-01 中山华宏精密模具机械有限公司 Transformer wire frame

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