KR101532724B1

KR101532724B1 - Transformer for circuit boards and apparatus using this

Info

Publication number: KR101532724B1
Application number: KR1020130166933A
Authority: KR
Inventors: 정재봉
Original assignee: 정재봉
Priority date: 2013-12-30
Filing date: 2013-12-30
Publication date: 2015-07-01

Abstract

The present invention relates to a transformer for combining the board of an ion generating apparatus. It includes a bobbin which comprises a first wire part which has a space part in a lengthwise direction and is at the center of the outside, and a flange (120) which protrudes along the outer surface to be divided into second and third wire parts at both sides of the outside; a core which is inserted into the space part of the bobbin and provides a magnetic flux; a coil part which comprises a first coil which is wound around the first wire part and receives power and second and third coils which are wound around the second and third wire parts and is induced according a first coil turns ratio; a terminal which has an upper part which penetrates the flange to be combined and is exposed to be connected to the coil part and a lower part which is fixed to a substrate, and comprises first and second terminals connected to both ends of the first coil part, third and fourth terminals connected to both ends of the second coil part, and fifth and sixth terminals connected to both ends of the third coil part; a cap-shaped case which has an open lower side for receiving the bobbin and touches the substrate to maintain a sealing property.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a small-

The present invention relates to a small-sized transformer for substrate coupling of an ion generating device and an ion generating device using the transformer. The present invention provides a compact transformer which is simple in structure and easy to be hermetic, To a small-sized transformer for substrate connection of an ion generating device and an ion generating device using the transformer.

Generally, an electric transformer is a device for changing the value of AC voltage or current by using electromagnetic induction phenomenon.

According to the prior art, the bobbin is divided into two primary and secondary bobbins, an input terminal is formed on the primary bobbin, output terminals are formed on the secondary bobbin, And the secondary windings are respectively wound. In particular, the secondary bobbin on which the secondary windings are formed has a multilayered structure, so that a plurality of outputs can be realized in the same phase.

However, conventionally, there is a problem in that the structure of the transformer is complicated, and the transformer itself has a structure that can maintain the compact and airtight state, which is not suitable for bonding to a circuit board.

KR 10-2011-0086330 A 'Multi-output transformer' KR 10-2005-0052908 A 'Transformers for high voltage power supply'

It is an object of the present invention to provide a small-sized transformer for substrate coupling of an ion generating device and a ion generating device using the transformer, which can simplify the structure and maintain airtightness.

Another object of the present invention is to provide a compact transformer for substrate coupling of an ion generating device capable of converting and outputting positive output and negative output so as to generate ions, But also to provide a device.

In order to achieve the above object, the present invention provides a small-sized transformer for substrate connection of an ion generating device, wherein a space portion is formed in the longitudinal direction in the inside, a primary winding portion is formed at an outer center, A bobbin having a plurality of flanges (120) formed along the outer circumferential surface so as to be independently partitioned; A core inserted into the space portion of the bobbin to provide a magnetic flux; A coil portion wound on the primary winding portion and supplied with power, and a coil portion wound on the secondary winding portion and guided in accordance with a primary coil winding ratio; And a cap-shaped case having a bottom opened to receive the bobbin, and to be tightly coupled to the substrate to maintain airtightness.

A first and a second terminals 410 and 420 connected to the opposite ends of the primary coil, respectively, the secondary coil being connected to the flange, the upper and lower coils being connected to the coil part and the lower part, respectively, And a terminal pin including three terminals 3,4 and 430 connected to both ends, and a terminal 560 and a terminal 450 connected to both ends of the third coil.

Side coils are identical to the primary coil turn direction and the secondary coil turn direction, and the tertiary coil turn direction is opposite to the primary and secondary coils.

The substrate is provided with a first circuit connected in series between a first capacitor and a first diode between the third terminal and the fourth terminal, and a (+) voltage is output by the first diode, and between the sixth terminal and the fifth terminal (-) voltage is output by the second diode, and the first circuit and the second circuit are commonly grounded. The first diode is connected to the first diode and the second diode is connected to the second diode.

A plurality of guide rings for guiding the winding of the first, second and third windings are protruded from the outer peripheral surface of the bobbin, and one side of the guide ring is cut off to continuously wind the first, second and third windings .

And an end of the bobbin is formed with an opening for communicating with the space, so that the core is inserted.

A vertical guide groove is formed at one end of the bobbin and a guide piece protruding corresponding to the guide groove is formed on the inner side of the case to guide the coupling position.

The present invention also provides a bobbin having a flange formed by a plurality of projections formed along the outer circumferential surface of the outer circumferential surface so that the space is formed in the longitudinal direction, A core wound around the bobbin and provided with a magnetic flux, a primary coil wound around the primary winding and supplied with power, and a secondary coil wound around the secondary coil and guided according to a primary coil winding ratio A small-sized transformer for substrate connection of an ion generating device comprising a coil part formed by a coil on the lower side, a coil part formed by a coil on the lower side, a lower part opened and receiving the bobbin, An ion generation circuit comprising a control unit for generating a PWM control signal according to a predetermined duty ratio, and a primary side switching unit including transistors to be switched according to the PWM control signal and outputting a current according to a switching operation to the primary side coil; Is included.

According to the present invention having the above-described configuration, the following effects can be expected.

First, a primary coil to which power is supplied to the bobbin and a secondary coil to be inducted are wound together, and a core is inserted into the bobbin, so that the structure is integrated so that a compact structure can be achieved. The provision of a hermetic structure of the miniature transformer coupled to the circuit.

In addition, the case has an advantage that it can prevent thermal interference with the substrate as well as the bobbin airtightness, thereby preventing deterioration.

Further, the bobbin 1, 2, and 3 have a simple structure in which a coil is connected to a pin without a connection wiring, thereby achieving miniaturization.

1 is an exploded perspective view of a small-sized transformer for substrate bonding of an ion generating device according to an embodiment of the present invention.
Figure 2 is a bobbin top view of Figure 1;
3 is a circuit diagram of a small-sized transformer for substrate coupling of an ion generating device according to an embodiment of the present invention.
4 is a circuit diagram of an ion generating device according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is an exploded perspective view of a small-sized transformer for substrate bonding of an ion generating device according to an embodiment of the present invention.

1, the present invention relates to a small-sized transformer for substrate connection of an ion generating device, which comprises a bobbin 100, a core 200, a coil portion, a terminal pin 400, and a case 500 do.

First, the bobbin 100 is formed into a long cylindrical shape, and a space 160 is formed in the bobbin 100 in the longitudinal direction. The space 160 corresponds to a space in which the core 200 is inserted.

A plurality of flanges 120 are formed on the outer periphery of the bobbin 100 such that the primary winding portion a and the secondary winding portions b and c are independently formed on both sides of the bobbin 100, .

In this case, two flanges 120 are formed at both ends of the bobbin 100, and two flanges 120 are formed at the boundaries of the secondary winding portions on both sides of the primary winding portion, .

Here, the first, second and third winding portions are the spaces through which the first, second and third coil portions of the coil portion can be wound. In FIG. 2, the coil part is omitted and is shown in detail in FIG.

Here, the bobbin 100 and the flange 120 are integrally formed by injection molding, and the material of the bobbin 100 and the flange 120 is plastic.

The core 200 is inserted into the space 160 of the bobbin 100 to provide a magnetic flux.

Herein, the core 200 corresponds to the iron core, and the fine AC current applied to the coil portion is magnetized according to the flow, and induction electromotive force is generated in the winding wound around the other portion of the core 200 by the Faraday's law . Here, the induction mechanism is provided to the secondary winding portions (b, c) in the primary winding portion (a).

The bobbin 100 has an opening at one end thereof communicating with the space 160 so that the core 200 can be easily inserted from the outside into the interior.

The terminal pins 400 are inserted into the flanges 120 and are exposed upward and downward, respectively, so that the upper portion is connected to the coil portion and the lower portion is coupled to the substrate G and fixed.

The case 500 is formed in a cap shape which is opened at its lower side to receive the bobbin 100, and tightly coupled to the substrate to maintain airtightness.

That is, the case 500 is formed with an inner space to closely enclose the outer surface of the bobbin 100, and the lower side of the case 500 can receive and receive the bobbin 100.

Here, as the case 500 is provided, not only the hermeticity of the bobbin 100 can be maintained, but also thermal interference generated in the substrate can be blocked.

A vertical guide groove 180 is formed on one side of the bobbin 100 and a guide piece 520 protruding from the guide groove is formed on the inner side of the case 500, Is guided.

Figure 2 is a bobbin top view of Figure 1;

The coil portion described above is a coil wound around the bobbin 100. The coil portion is wound on the primary winding portion and is supplied with power. The primary coil 320 is wound on the secondary winding portion, And the second and third coils 340 and 360 are induced according to the coil winding ratio.

In the present invention, a terminal pin is used for electrical connection of the coils of the coil part so as to be coupled with a simple structure.

The terminal pins are respectively penetrated through the flanges 120 as follows.

A plurality of first and second terminals 410 and 420 connected to both ends of the primary side coil, a third and fourth terminals 430 and 440 connected to both ends of the secondary side coil, (450, 460).

In the bobbin 100, the first and second terminals 410 and 420 are formed on the rear side, and the third, fourth, fifth, and sixth terminals 430, 440, 450 and 460 are disposed on the front side.

The turning direction of the primary coil 320 is the same as the turning direction of the secondary coil 340 and the turning direction of the tertiary coil 360 is opposite to the turning directions of the primary coil 320 and the secondary coil 340 .

The reason for this is that the secondary coil 340 has the same turn direction as the primary coil 320 and has a positive voltage output and the tertiary coil 360 is turned in the opposite direction, ) Voltage output.

Thus, it becomes possible to operate the ion generator coupled to the substrate according to the output voltage.

A plurality of guide rings 140 for guiding the winding of the first, second and third windings are protruded from the outer circumferential surface of the bobbin 100, and one side of the guide ring 140 is cut off, And each of the secondary coils is continuously wound.

Here, the first, second, and third coils are wound between the guide rings 140 so that a part of the guide ring 140 is cut on the upper side of the bobbin 100, So that it can be wound.

Referring to FIG. 3, a structure of transforming by the first, second, and third coils 320, 340, and 360 will be described.

3 is a circuit diagram of a small-sized transformer for substrate coupling of an ion generating device according to an embodiment of the present invention.

3, a first circuit connected in series between a third terminal 430 and a fourth terminal 440 with a first capacitor C12 and a first diode D3 is formed on the substrate by the first diode +) Voltage is output.

A second circuit is connected between the sixth terminal 460 and the fifth terminal 450 in series with a second diode and a second capacitor. A negative voltage is output by the second diode, And the second circuit are commonly grounded.

Therefore, the present invention can be easily mounted on a substrate with a simplified structure that has a miniaturized transformer structure and can have a connection wiring relationship with six pins.

4 is a circuit diagram of an ion generating device according to an embodiment of the present invention.

Referring to FIG. 4, the present invention is characterized in that a space is formed in a lengthwise direction in the inside, a flange having a primary winding portion at the center of the outer side, and a plurality of winding portions along the outer circumferential surface, A primary coil wound around the primary winding portion and supplied with power, and a primary coil winding portion wound around the secondary winding portion, And a cap-shaped case which is hermetically coupled to the substrate, the small-sized transformer for substrate connection of the ion generating device. 10); A control unit 20 for generating a PWM control signal according to a predetermined duty ratio, and transistors TR2 and FET1 that are switched according to the PWM control signal, and outputs a current according to a switching operation to the primary coil And an ion generating circuit comprising a primary-side switching unit 30.

The control unit 20 is switched by the switching unit 30 according to the PWM signal to apply a current to the primary winding 320 and to generate a voltage according to the winding ratio of the secondary winding 340 and the tertiary winding 360 (+) Output 40 is converted in the secondary side coil 340 and the (-) output 50 is converted in the tertiary side coil 360, so that ions can be generated.

The ion generating circuit of the present invention has an advantage that it can be operated at a low frequency by using an existing high frequency wave.

As described above, the present invention provides a small-sized transformer for substrate bonding of an ion generating device and an ion generating device using the small transformer. In the basic idea of the present invention, Of course, many other variations are possible for those of ordinary skill in the art.

100: bobbin 120: flange
200: core 320: primary coil
340: secondary coil 360: tertiary coil
400: terminal pin 500: case
G: substrate

Claims

In a small-sized transformer for substrate coupling of an ion generating device,
A bobbin 100 having a flange 120 protruding along the outer circumferential surface of the bobbin 100 so as to be separated from the bobbin 100, ;
A core inserted into a space of the bobbin to provide a magnetic flux;
A primary coil 320 wound around the primary winding portion and supplied with power, and a secondary coil 320 wound around the secondary winding portion and guided in accordance with the primary coil winding ratio, part;
And a cap-shaped case (500) which is opened at the lower side to receive the bobbin, and tightly coupled to the substrate to maintain airtightness,
A first and a second terminals 410 and 420 connected to the opposite ends of the primary coil, respectively, the secondary coil being connected to the flange, the upper and lower coils being connected to the coil part and the lower part, respectively, 3 and 4 connected to both ends of the secondary side coil 430 and 440, and terminal pins 5 and 6 connected to both ends of the secondary side coil 450 and 460,
A vertical guide groove 180 is formed at one end of the bobbin 100 and a guide piece 520 protruding from the inner surface of the case 500 to correspond to the guide groove is formed, Wherein the ion generating device is a transformer.

delete

The method according to claim 1,
In the substrate,
A first circuit is connected in series between the third terminal and the fourth terminal by a first capacitor and a first diode, a (+) voltage is outputted by the first diode,
(-) voltage is output by the second diode, and the first circuit and the second circuit are commonly grounded, and a second circuit is connected between the sixth terminal and the fifth terminal in series between the second diode and the second capacitor. Characterized in that the ion generating device is a small transformer for substrate connection.

The method according to claim 1,
Wherein the first and second coil turns are identical to the first coil turn direction and the second coil turn direction, and the third coil turn direction is opposite to the first and second coil windings.

The method according to claim 1,
On the outer peripheral surface of the bobbin 100,
A plurality of guide rings 140 for guiding the winding of the first, second and third windings are protruded between the flanges, one side of the guide ring is cut off, and the first, second and third windings are continuously wound. Small transformer for substrate combination of ion generator.

The method according to claim 1,
At one end of the bobbin 100,
And an opening for communicating with the space portion is formed to insert the core.

delete

A bobbin having a flange formed in a longitudinal direction of the bobbin, the bobbin being provided with a plurality of protrusions formed along the outer circumferential surface of the bobbin, A primary coil wound around the primary winding portion and supplied with power, and a secondary coil wound around the secondary winding portion and guided in accordance with a primary coil winding ratio, A small-sized transformer for substrate connection of an ion generating device comprising a coil part formed of a coil, a lower part of the coil part, and a cap-shaped case which houses the bobbin and is tightly coupled to the substrate to maintain airtightness.
An ion generation circuit comprising a control unit for generating a PWM control signal according to a predetermined duty ratio, and a primary side switching unit including transistors to be switched according to the PWM control signal and outputting a current according to a switching operation to the primary side coil; Lt; / RTI >
The flange is connected to each of the flanges, and is exposed upward and downward. The upper portion is connected to the coil portion and the lower portion is fixed to the substrate. The two terminals are connected to both ends of the primary coil, Further comprising a terminal pin composed of three or four terminals to be connected and five or six terminals connected to both ends of the tertiary coil,
Wherein a vertical guide groove is formed at one end of the bobbin and a guide piece protruding corresponding to the guide groove is formed on the inner surface of the case to guide the coupling position.