TW201939539A - Coil printing method for magnetic induction element capable of forming a small-sized transformer or inductor which is advantageous in small volume and space saving - Google Patents

Abstract

The present invention provides a coil printing method for a magnetic induction element. The method includes the steps of: providing a magnetic core base on which at least one first coil winding is printed; printing a first insulating layer on the magnetic core base printed with the first coil winding; then, printing at least one second coil winding on the magnetic core base printed with the first insulating layer; and printing a second insulating layer on the magnetic core base printed with the second coil winding.

Description

Coil printing method of magnetic induction element

The invention relates to a method for printing a coil of a magnetic induction element, in particular to printing at least one coil winding on a magnetic core base, and then printing an insulating layer on the coil winding to form a magnetic induction element.

With the increasing progress of technology, many electronic products are designed to be light, thin, short, and small. Generally, transformers are generally known as winding two enameled wires on the iron core, two sides of the two sets of enameled wires. The wire ends are respectively extended to the flange portions on the two sides of the iron core for electrical connection with various external electronic device circuits to provide the electronic device circuit for voltage and current conversion, and the transformer can also be used as a filter in the circuit. Unnecessary signals of electromagnetic waves and noise are eliminated by grounding. However, the size of the traditional transformer is too large to be used in lightweight electronic devices, so it needs to be improved by those engaged in this industry.

Therefore, the inventor has taken into account the problems and deficiencies of the above-mentioned custom, and collected relevant information through multiple evaluations and considerations, and made use of years of research and development experience in this industry to continuously make trials and modifications. This kind of magnetic induction element coil printing began Method invention patent was born.

The main object of the present invention is to provide a method for printing a coil of a magnetic induction element, which is to print at least a first coil winding on a core base, and to print the first coil winding on the magnetic core base. A first insulating layer is printed on the magnetic core base, and then at least a second coil winding is printed on the magnetic core base on which the first insulating layer has been printed. A second insulating layer is printed on the magnetic core base. With the above structure, a small transformer is formed, which has the advantages of small size and space saving.

A secondary object of the present invention is to provide a coil printing method for a magnetic induction element, which is to print at least a first coil winding on a magnetic core base, and print a first on the magnetic core base on which the first coil winding has been printed. An insulating layer. With the above structure, a small inductor is formed, which has the advantages of small size and space saving.

Another object of the present invention is to provide a method for printing a coil of a magnetic induction element. A third insulation layer is printed on a core base, and at least a third coil is printed on the core base on which the third insulation layer has been printed. Winding, a fourth insulating layer is printed on the magnetic core base on which the third coil winding is printed, and at least one fourth coil winding is printed on the magnetic core base on which the fourth insulating layer is printed, A fifth insulating layer is printed on the magnetic core base of the fourth coil winding. With the above structure, a small transformer is formed, which has the advantages of small size and space saving.

Another object of the present invention is to provide a method for printing a coil of a magnetic induction element, which is a method of printing a third insulating layer on a magnetic core base, and at least a third coil on the magnetic core base on which the third insulating layer is printed For the winding, a fourth insulating layer is printed on the magnetic core base on which the third coil winding has been printed. With the above structure, a small inductor is formed, which has the advantages of small size and space saving.

11‧‧‧Core base

12‧‧‧First coil winding

13‧‧‧The first insulation layer

14‧‧‧Second Coil Winding

15‧‧‧Second insulation layer

21‧‧‧Print at least one first coil winding on a non-conductive core base

22‧‧‧ Prints a first insulating layer on the core base on which the first coil winding has been printed

23‧‧‧ printing at least one second coil winding on the magnetic core base on which the first insulation layer has been printed

24‧‧‧Printing a second insulation layer on the core base on which the second coil winding has been printed

31‧‧‧Core base

32‧‧‧third insulating layer

33‧‧‧Third Coil Winding

34‧‧‧ Fourth insulation layer

35‧‧‧Fourth coil winding

36‧‧‧Fifth insulation layer

41‧‧‧Prints a third insulation layer on the core base of one of the conductors

42‧‧‧ at least one third coil winding on the core base on which the third insulation layer has been printed

43‧‧‧Printing a fourth insulating layer on the core base on which the third coil winding has been printed

44‧‧‧ printing at least one fourth coil winding on the magnetic core base on which the fourth insulation layer has been printed

45‧‧‧prints a fifth insulating layer on the core base on which the fourth coil winding has been printed

51‧‧‧Core base

52‧‧‧Primary coil winding

53‧‧‧Secondary coil winding

61‧‧‧Core base

62, 63‧‧‧ primary coil winding

64, 65‧‧‧ secondary coil winding

Figures A through E are side cross-sectional views of a first embodiment of a magnetic induction element of the present invention. Composition.

The second figure is a flowchart of a first embodiment of a method for printing a coil of a magnetic induction element of the present invention.

Figures 3A to 3F are side sectional structural views of a second embodiment of the magnetic induction element of the present invention.

The fourth figure is a flowchart of the second embodiment of the coil printing method of the magnetic induction element of the present invention.

The fifth figure is a first three-dimensional structure diagram of the magnetic induction element of the present invention made into a transformer.

The sixth figure is a second three-dimensional structure diagram of the magnetic induction element of the present invention made into a transformer.

In order to achieve the above-mentioned object and effect, the technical means and structure adopted by the present invention, the drawings and detailed description of the structure and function of the preferred embodiment of the present invention are as follows.

Please refer to FIG. 1 to FIG. 1 to FIG. 1 and FIG. 2, which are respectively a side cross-sectional structural diagram of a first embodiment of a magnetic induction element of the present invention and a first implementation flowchart of a method for printing a coil of a magnetic induction element. There are four steps disclosed in the second figure, and the cross-sections of the structure are disclosed with reference to the first A to the first E, which are summarized as follows:

Step 21: Print at least one first coil winding 12 on a non-conductive core base 11. The material of the magnetic core base 11 is not conductive.

Step 22: Print a first insulating layer 13 on the core base 11 on which the first coil winding 12 has been printed. After steps 21 and 22 are completed, since there is only one set of coil windings without any mutual inductance, a small inductor can be formed.

Step 23: Print at least one second coil winding 14 on the magnetic core base 11 on which the first insulating layer 13 has been printed.

Step 24: Print a second insulating layer 15 on the core base 11 on which the second coil winding 14 has been printed. After steps 21, 22, 23, and 24 are completed, since there are at least two sets of coil windings at the same time, the two sets of coil windings generate mutual inductance and form primary-side coil windings and secondary-side coil windings, so a small transformer can be formed. .

The magnetically permeable material having no conductivity in the magnetic core base 11 is made of a nickel-zinc alloy, a nickel-zinc composite metal, or the like.

The material for printing the first coil winding 12 and the second coil winding 14 is composed of a conductive liquid, and the conductive liquid system refers to a conductive silver paste or a graphite paste and other conductive fluids.

The material for printing the first insulating layer 13 and the second insulating layer 15 is composed of an insulating liquid, and the insulating liquid system refers to an insulating paint and other insulating liquids.

Please refer to FIG. 3A to FIG. 3F and FIG. 4, which are respectively a side cross-sectional structural diagram of a second embodiment of a magnetic induction element of the present invention and a second implementation flowchart of a coil printing method of the magnetic induction element. There are five steps disclosed in the fourth figure, and with reference to the third A to the third F exposed structural sections, the summary is as follows:

Step 41: Print a third insulating layer 32 on the core base 31, which is one of the conductors. The material of the core base 31 is conductive. The third insulating layer 32 is provided to prevent a short circuit between a plurality of coil windings provided on the same layer.

Step 42: At least one third coil winding 33 on the magnetic core base 31 on which the third insulating layer 32 has been printed.

Step 43: Print a fourth insulating layer 34 on the core base 31 on which the third coil winding 33 has been printed. After steps 41, 42 and after completion, there is only one set of lines The coil winding does not have any mutual inductance, so it can form a small inductor.

Step 44: Print at least one fourth coil winding 35 on the magnetic core base 31 on which the fourth insulating layer 34 has been printed.

Step 45: Print a fifth insulating layer 36 on the magnetic core base 31 on which the fourth coil winding 35 has been printed. After steps 41, 42, 43, 44, and 45 are completed, since there are at least two sets of coil windings at the same time, the two sets of coil windings generate mutual inductance and form a primary-side coil winding and a secondary-side coil winding. Small transformer.

The magnetically conductive material of the magnetic core base 31 is made of a manganese-zinc alloy, a manganese-zinc composite metal, a silicon steel sheet, or an amorphous material.

The material for printing the third coil winding 33 and the fourth coil winding 35 is composed of a conductive liquid, and the conductive liquid system refers to a conductive silver paste or a graphite paste and other conductive fluids.

The material for printing the third insulating layer 32, the fourth insulating layer 34, and the fifth insulating layer 36 is composed of an insulating liquid, and the insulating liquid system refers to an insulating paint and other insulating liquids.

Please refer to the fifth and sixth figures, which are the first three-dimensional implementation structural diagram and the second three-dimensional implementation structural diagram of the magnetic induction element of the present invention made into a transformer, respectively. The fifth diagram is printed on a magnetic core base 51. The single primary-side coil winding 52 and the secondary-side coil winding 53 form a small transformer. In contrast, in order to adjust the magnetic flux and current of the transformer, two sets of primary-side coil windings (62, 63) and two sets of secondary-side coil windings (64) can be printed on a core base 61 as disclosed in the sixth figure. , 65). Therefore, printing a group or a plurality of coil windings on a magnetic core base is the protection scope of the present invention.

Through the disclosure of the first A to the sixth drawings, it can be understood that the present invention is a coil printing method for a magnetic induction element, which provides a method for printing at least a first coil winding on a non-conductor magnetic core base. A first insulating layer is printed on the magnetic core base on which the first coil winding has been printed, and then at least one second coil winding is printed on the magnetic core base on which the first insulating layer has been printed. A second insulation layer is printed on the magnetic core base on which the second coil winding is printed. With the above structure, a small transformer is formed, which has the advantages of small size and space saving. Furthermore, a third insulation layer is printed on a core base of a conductor, and at least a third coil winding is printed on the core base on which the third insulation layer is printed, and the third coil winding is printed on A fourth insulating layer is printed on the magnetic core base, at least a fourth coil winding is printed on the magnetic core base on which the fourth insulating layer is printed, and the magnetic core base on which the fourth coil winding is printed A fifth insulating layer is printed on the seat. With the above structure, a small transformer can also be formed, which has the advantages of small size and space saving. These two transformer embodiments have great business opportunities in the small transformer market, so a patent application is filed to seek patent protection.

The above detailed description is only a description of a preferred feasible embodiment of the present invention, but this embodiment is not intended to limit the scope of the patent application of the present invention, and other equivalent changes and modifications made without departing from the spirit of the technology disclosed by the present invention Changes should be included in the scope of patents covered by the present invention.

To sum up, the above-mentioned coil printing method for a magnetic induction element of the present invention can really achieve its efficacy and purpose when in use. Therefore, the present invention is an invention with excellent practicality, and it actually meets the requirements for the application of an invention patent. Submit an application and hope that the trial committee will grant the case as soon as possible to protect the inventor's hard invention. If there is any suspicion in the Bureau, please write to us and the inventor will cooperate with all efforts and feel good.

Claims (10)

A coil printing method for a magnetic induction element, comprising the following steps: (A1) printing at least one first coil winding on a non-conductor magnetic core base; and (B1) printing on the magnetic core base of the first coil winding. A first insulating layer is printed on the seat. The method for printing a coil of a magnetic induction element according to item 1 of the scope of the patent application, further comprising step (C1) printing at least one second coil winding on the magnetic core base on which the first insulating layer has been printed. The method for printing a coil of a magnetic induction element according to item 1 of the scope of patent application, further comprising the step (D1) of printing a second insulating layer on the magnetic core base on which the second coil winding has been printed. The method for printing a coil of a magnetic induction element as described in item 1 of the scope of the patent application, wherein the magnetic core base material is composed of a nickel-zinc alloy and a nickel-zinc composite metal. According to the coil printing method of the magnetic induction element described in the first or second item of the patent application scope, wherein the material for printing the first coil winding and the second coil winding is composed of a conductive liquid, the conductive liquid system refers to a conductive Silver glue or a graphite glue. A method for printing a coil of a magnetic induction element, comprising the following steps: (A2) printing a third insulating layer on a magnetic core base of one of the conductors; (B2) at least on the magnetic core base on which the third insulating layer has been printed; A third coil winding; and (C2) printing a fourth insulating layer on the magnetic core base on which the third coil winding has been printed. The method for printing a coil of a magnetic induction element as described in item 6 of the scope of patent application, further comprising step (D2) printing at least one fourth coil winding on the magnetic core base on which the fourth insulation layer has been printed. The method for printing a coil of a magnetic induction element according to item 6 of the scope of patent application, further comprising the step (E2) of printing a fifth insulating layer on the core base on which the fourth coil winding has been printed. According to the coil printing method of the magnetic induction element according to item 6 of the scope of the patent application, the magnetic core base material is made of a manganese-zinc alloy, a manganese-zinc composite metal, a silicon steel sheet, or an amorphous material. According to the coil printing method of the magnetic induction element according to item 6 or item 7 of the patent application scope, wherein the material for printing the third coil winding and the fourth coil winding is composed of a conductive liquid, the conductive liquid system refers to a conductive Silver glue or a graphite glue.