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WO2024181632A1 - Transformateur à isolation - Google Patents

Transformateur à isolation Download PDF

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Publication number
WO2024181632A1
WO2024181632A1 PCT/KR2023/015666 KR2023015666W WO2024181632A1 WO 2024181632 A1 WO2024181632 A1 WO 2024181632A1 KR 2023015666 W KR2023015666 W KR 2023015666W WO 2024181632 A1 WO2024181632 A1 WO 2024181632A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
winding part
coil
circuit
socket connector
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
PCT/KR2023/015666
Other languages
English (en)
Korean (ko)
Inventor
은병선
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.)
RODEK CO Ltd
Original Assignee
RODEK 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 RODEK CO Ltd filed Critical RODEK CO Ltd
Publication of WO2024181632A1 publication Critical patent/WO2024181632A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • H01F2027/065—Mounting on printed circuit boards

Definitions

  • the present invention relates to an insulating transformer that changes the value of an alternating voltage or current by using an electromagnetic induction phenomenon, and more specifically, to an insulating transformer using a detachable connector that prevents a short circuit phenomenon caused by momentary contact when switching an electric circuit with a sliding-type changeover switch, and also reduces work man-hours, thereby reducing production costs.
  • an insulation transformer which is used to step up or step down commercial voltage to the rated voltage of an electronic device, has a core made of laminated thin steel plates containing silicon, with the primary and secondary coils wound separately, so that the side that receives AC power (the primary side) and the side that supplies power (the secondary side) are insulated.
  • Korean Patent Publication No. 10-1996954 discloses an insulating transformer having a structure in which a switching switch is connected to each of the input side and the output side, and the output voltage can be freely changed, such as by lowering the voltage according to manual operation of the switching switch.
  • An insulating transformer according to an embodiment of the present invention can prevent a short circuit phenomenon caused by momentary contact when switching an electric circuit with a sliding-type changeover switch.
  • the present invention has the effect of reducing the work man-hours and thus reducing production costs.
  • An insulating transformer according to an embodiment of the present invention is an insulating transformer in which a primary coil and a secondary coil, each having two terminals, are wound separately on a bobbin in a state of being insulated from each other and are double-arranged on the inside of a core.
  • the insulating transformer includes a bracket that supports the insulating transformer, first and second PCBs that are fixed to both sides of an upper surface of the bracket and have input terminals and output terminals on the upper surface, first and second socket connectors of 6-pin type respectively connected to a circuit of the first PCB, a first plug connector of 6-pin type selectively inserted into one of the first and second socket connectors to connect the circuits in parallel or series, third and fourth socket connectors respectively connected to a circuit of the second PCB, and a second plug connector of 6-pin type selectively inserted into one of the third and fourth socket connectors to connect the circuits in parallel or series.
  • One embodiment may further include a fifth socket connector connected to the first PCB circuit, a third plug connector fitted into the fifth socket connector and electrically connecting the primary coil and the first PCB circuit, a sixth socket connector connected to the second PCB circuit, and a fourth plug connector fitted into the sixth socket connector and electrically connecting the secondary coil and the second PCB circuit.
  • the first socket connector may be electrically connected to the second terminal of the first winding part of the primary coil of the insulating transformer and electrically connected to the third terminal of the second winding part of the primary coil of the insulating transformer, but may be wired in a state where the second terminal of the first winding part of the primary coil of the insulating transformer and the third terminal of the second winding part of the primary coil of the insulating transformer are not connected to each other.
  • the second socket connector may be electrically connected to the first and second terminals of the first winding section of the primary coil of the insulating transformer, respectively, and electrically connected to the third and fourth terminals of the second winding section of the primary coil of the insulating transformer, respectively, but may be wired in a state where the first and second terminals of the first winding section of the primary coil of the insulating transformer and the third and fourth terminals of the second winding section of the primary coil of the insulating transformer are not interconnected.
  • the third socket connector may be electrically connected to the sixth terminal of the third winding section of the secondary coil of the insulating transformer and electrically connected to the seventh terminal of the fourth winding section of the secondary coil of the insulating transformer, but may be wired in a state where the sixth terminal of the third winding section of the secondary coil of the insulating transformer and the seventh terminal of the fourth winding section of the secondary coil of the insulating transformer are not interconnected.
  • the fourth socket connector may be wired so as to be electrically connected to the fifth and sixth terminals of the third winding section of the secondary coil of the insulating transformer, respectively, and electrically connected to the seventh and eighth terminals of the fourth winding section of the secondary coil of the insulating transformer, respectively, but the fifth and sixth terminals of the third winding section of the secondary coil of the insulating transformer and the seventh and eighth terminals of the fourth winding section of the secondary coil of the insulating transformer are not interconnected.
  • the first plug connector may be cross-connected so that, when connected to the first socket connector to connect a circuit, the second terminal of the first winding section of the primary coil of the insulating transformer and the third terminal of the second winding section of the primary coil of the insulating transformer are mutually connected, and when connected to the second socket connector to connect a circuit, the second terminal of the first winding section of the primary coil of the insulating transformer and the fourth terminal of the second winding section of the primary coil of the insulating transformer are mutually connected, and the first terminal of the first winding section of the primary coil of the insulating transformer and the third terminal of the second winding section of the primary coil of the insulating transformer are mutually connected.
  • the second plug connector may be cross-connected so that, when connected to the third socket connector to connect a circuit, the sixth terminal of the third winding section of the secondary coil of the insulating transformer and the seventh terminal of the fourth winding section of the secondary coil of the insulating transformer are mutually connected, and when connected to the fourth socket connector to connect a circuit, the sixth terminal of the third winding section of the secondary coil of the insulating transformer and the eighth terminal of the fourth winding section of the secondary coil of the insulating transformer are mutually connected, and the fifth terminal of the third winding section of the secondary coil of the insulating transformer and the seventh terminal of the fourth winding section of the secondary coil of the insulating transformer are mutually connected.
  • the present invention is a sliding-type changeover switch that can prevent a short circuit phenomenon caused by momentary contact when switching an electric circuit.
  • the electric circuit is configured using a PCB, and since the primary and secondary coils consist of a total of four terminals, the number of man-hours required for the manufacturing process can be reduced, thereby reducing production costs.
  • Figure 1 is a perspective view showing an insulating transformer according to an embodiment of the present invention.
  • FIG. 2 is a perspective view showing the first and second plug connectors, which are among the main elements constituting the insulating transformer according to an embodiment of the present invention, in an exploded state.
  • FIG. 3 is a wiring diagram showing the connection relationship of an electric circuit when the input terminal (200 to 230 V) and the output terminal (200 to 230 V) of an insulating transformer according to an embodiment of the present invention are electrically separated and used.
  • FIG. 4 is a wiring diagram showing the connection relationship of an electric circuit when a voltage is lowered to send a voltage lower than the input side of an insulating transformer according to an embodiment of the present invention to the output side.
  • FIG. 5 is a wiring diagram showing the connection relationship of an electric circuit when the input terminal (100 to 115 V) and the output terminal (100 to 115 V) of an insulating transformer according to an embodiment of the present invention are electrically separated and used.
  • FIG. 6 is a wiring diagram showing the connection relationship of an electric circuit when a voltage is raised to send a higher voltage than the input side of an insulating transformer according to an embodiment of the present invention to the output side.
  • the term and/or in this specification means a combination of a plurality of related described items or including any item among a plurality of related described items, and when it is said that a part includes a certain component, this does not mean excluding other components, unless specifically stated otherwise, but rather that other components may be included.
  • the terms “include” or “have” as used herein mean that there is a feature, number, step, process, operation, component, part, or a combination thereof, but should be understood to not exclude the possibility of the presence or addition of one or more other features, numbers, steps, processes, operations, components, parts, or combinations thereof.
  • part and unit used in the present invention means a unit or module type that processes at least one function or certain operation intended for a device or system, and this can be implemented by means such as hardware or software, or a combination of hardware and software, or a device or assembly capable of performing independent operations.
  • top, bottom, upper surface, lower surface, or upper, lower, upper side, lower side, front/back, left/right, etc. used in the present invention are used for convenience in distinguishing the relative positions of each component.
  • the upper part in a drawing may be named or referred to as the upper part and the lower part as the lower part, and the length direction may be named or referred to as the front/back direction, and the width direction may be named or referred to as the left/right direction.
  • first, second, etc. used in the present invention can be used to describe various components. That is, the terms first, second, etc. can be used only for the purpose of distinguishing one component from another component.
  • an insulating transformer As illustrated in FIGS. 1 to 6, an insulating transformer according to an embodiment of the present invention has a primary coil (1) and a secondary coil (2), each having two terminals, wound separately on a bobbin (3) in a mutually insulated state and arranged in duplicate on the inside of a core (4).
  • the primary coil (1) is composed of a first winding part (10) having first and second terminals (11)(12) and a second winding part (20) having third and fourth terminals (23)(24), and the secondary coil (2) is composed of a third winding part (30) having fifth and sixth terminals (35)(36) and a fourth winding part (40) having seventh and eighth terminals (47)(48).
  • thermo protector that automatically cuts off the electric circuit of the first terminal (11) of the first winding section (10) to prevent overheating when the temperature rises above a certain standard
  • the main elements constituting the insulating transformer according to the embodiment of the present invention include a bracket (100), a first PCB (110), a second PCB (120), a first socket connector (130), a second socket connector (140), a first plug connector (150), a third socket connector (160), a fourth socket connector (170), and a second plug connector (180).
  • the bracket (100) is formed by stacking a bobbin (3) on which a primary coil (1) and a secondary coil (2) are wound while being insulated from each other, and a core (4) with the bobbin (3) inserted into the inner space.
  • the first PCB (110) is made of a thin plate that forms an electric circuit with a conductor pattern and is fixed to one side of the upper surface of the bracket (100).
  • an input terminal (111) having a plurality of connecting screws for connecting wires is provided on the upper edge of the first PCB (110).
  • a 6-pin type fifth socket connector (112) is connected to the circuit of the first PCB (110), and a 6-pin type third plug connector (113) that electrically connects the primary coil (1) and the circuit of the first PCB (110) is fitted into the fifth socket connector (112).
  • the second PCB (120) is made of a thin plate that forms an electric circuit with a conductor pattern and is fixed to the other side (opposite side) of the upper surface of the bracket (100).
  • an output terminal (121) having a plurality of connecting screws for connecting wires is provided on the upper edge of the second PCB (120).
  • a 6-pin type 6th socket connector (122) is connected to the 2nd PCB (120) circuit, and a 6-pin type 4th plug connector (123) that electrically connects the secondary coil (2) and the 2nd PCB (120) circuit is fitted into this 6th socket connector (122).
  • the first socket connector (130) is composed of a 6-pin type female connector and is connected to the first PCB (110) circuit.
  • the first socket connector (130) is electrically connected to the second terminal (12) of the first winding part (10) of the primary coil (1) through the first PCB (110) circuit, and is also electrically connected to the third terminal (23) of the second winding part (20) of the primary coil (1).
  • the second terminal (12) of the first winding section (10) and the third terminal (23) of the second winding section (20) are wired so as not to be connected to each other.
  • the second socket connector (140) is composed of a 6-pin type female connector and is connected to the first PCB (110) circuit.
  • the second socket connector (140) is electrically connected to the first and second terminals (11) (12) of the first winding part (10) of the primary coil (1), respectively, and is also electrically connected to the third and fourth terminals (23) (24) of the second winding part (20) of the primary coil (1), respectively.
  • first and second terminals (11)(12) of the first winding section (10) and the third and fourth terminals (23)(24) of the second winding section (20) are wired so as not to be connected to each other.
  • the first plug connector (150) is configured as a 6-pin type male connector that can be selectively inserted into either the first or second socket connectors (130)(140) to connect the first PCB (110) circuit in parallel or series.
  • the first plug connector (150) has a structure in which rows of pins 1 to 3 and rows of pins 4 to 6 are arranged in parallel so as to electrically connect two terminals or four terminals to each other, and among the six pins, pins 1 and 4 are connected with wires, and pins 3 and 4 are connected with wires.
  • the second terminal (12) of the first winding part (10) of the primary coil (1) and the third terminal (23) of the second winding part (20) of the primary coil (1) can be cross-connected to each other.
  • the second terminal (12) of the first winding part (10) of the primary coil (1) and the fourth terminal (24) of the second winding part (20) of the primary coil (1) are mutually connected, and at the same time, the first terminal (11) of the first winding part (10) of the primary coil (1) and the third terminal (23) of the second winding part (20) of the primary coil (1) are mutually connected.
  • the third socket connector (160) is composed of a 6-pin type female connector and is connected to the second PCB (120) circuit.
  • the third socket connector (160) is electrically connected to the sixth terminal (36) of the third winding part (30) of the secondary coil (2), and is also electrically connected to the seventh terminal (47) of the fourth winding part (40) of the secondary coil (2).
  • the 6th terminal (36) of the 3rd winding section (30) and the 7th terminal (47) of the 4th winding section (40) are wired in a non-connected state.
  • the fourth socket connector (170) is composed of a 6-pin type female connector and is connected to each circuit of the second PCB (120).
  • the fourth socket connector (170) is electrically connected to the fifth and sixth terminals (35) (36) of the third winding section (30) of the secondary coil (2), respectively, and is also electrically connected to the seventh and eighth terminals (47) (48) of the fourth winding section (40) of the secondary coil (2), respectively.
  • fifth and sixth terminals (35)(36) of the third winding section (30) and the seventh and eighth terminals (47)(48) of the fourth winding section (40) are wired so as not to be interconnected.
  • the second plug connector (180) is configured as a 6-pin type male connector that can be selectively inserted into either the third or fourth socket connector (160)(170) to connect the second PCB (120) circuit in parallel or series.
  • the sixth terminal (36) of the third winding part (30) of the secondary coil (2) and the seventh terminal (47) of the fourth winding part (40) of the secondary coil (2) can be cross-connected.
  • the second plug connector (180) can be cross-connected so that when connecting the circuit by inserting it into the fourth socket connector (170), the sixth terminal (36) of the third winding part (30) of the secondary coil (2) and the eighth terminal (48) of the fourth winding part (40) of the secondary coil (2) are mutually connected, and at the same time, the fifth terminal (35) of the third winding part (30) of the secondary coil (2) and the seventh terminal (37) of the fourth winding part (40) of the secondary coil (2) are mutually connected.
  • first and second socket connectors (130)(140), the first plug connector (150), the third and fourth socket connectors (160)(170), and the second plug connector (180) may be configured to have a structure having a locking device, such as a latch, to prevent them from being detached when fitted into their respective housings.
  • first and second socket connectors (130)(140), the first plug connector (150), the third and fourth socket connectors (160)(170), and the second plug connector (180) be formed of a 6-pin type connector that connects wire to wire.
  • the insulation transformer according to an embodiment of the present invention implements an electric circuit by selectively attaching and detaching the first and second plug connectors (150)(180) to one of the first and second socket connectors (130)(140) and the third and fourth socket connectors (160)(170), thereby enabling stable use without a short circuit phenomenon occurring due to momentary contact when switching the electric circuit, unlike in the past.
  • the first socket connector (130) and the second socket connector (140) are connected in series.
  • the third socket connector (160) and the fourth socket connector (170) are connected in series.
  • the input terminal which inputs a voltage of 200 to 230 V
  • the output terminal which outputs a voltage of 200 to 230 V
  • the sixth terminal (36) of the third winding part (30) of the secondary coil (2) and the eighth terminal (48) of the fourth winding part (40) of the secondary coil (2) are connected to each other, and also the fifth terminal (35) of the third winding part (30) of the secondary coil (2) and the seventh terminal (37) of the fourth winding part (40) of the secondary coil (2) are connected to each other, and then the third socket connector (160) and the fourth socket connector (170) are connected in parallel.
  • the sixth terminal (36) of the third winding part (30) of the secondary coil (2) and the eighth terminal (48) of the fourth winding part (40) of the secondary coil (2) are connected to each other, and also the fifth terminal (35) of the third winding part (30) of the secondary coil (2) and the seventh terminal (37) of the fourth winding part (40) of the secondary coil (2) are connected to each other, and then the third socket connector (160) and the fourth socket connector (170) are connected in parallel.
  • the input terminal which inputs a voltage of 100 to 115 V
  • the output terminal which outputs a voltage of 100 to 115 V
  • the third socket connector (160) and the fourth socket connector (170) are connected in series.
  • the present invention is not limited to the above-described embodiment and the attached drawings, and can be variously modified and applied in various ways not illustrated within the scope that does not depart from the technical spirit of the present invention, and it is obvious to a person having ordinary skill in the art to which the present invention pertains that it can be widely applied by changing each component and equivalent other embodiment.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

Selon un mode de réalisation, il est divulgué un transformateur à isolation dans lequel une bobine primaire et une bobine secondaire ayant chacune deux bornes sont doublement agencées à l'intérieur d'un noyau tout en étant isolées l'une de l'autre et enroulées séparément sur un bobinage, le transformateur à isolation comprenant en outre : un support supportant le transformateur à isolation ; des première et seconde PCB fixées aux deux côtés de la surface supérieure du support et ayant des bornes d'entrée et des bornes de sortie sur des surfaces supérieures des première et seconde PCB, respectivement ; des premier et deuxième connecteurs femelles qui sont d'un type à 6 broches et qui sont chacun connectés au premier circuit PCB ; un premier connecteur mâle d'un type à 6 broches qui est sélectivement inséré dans l'un des premier et deuxième connecteurs femelles pour connecter un circuit en parallèle ou en série ; des troisième et quatrième connecteurs femelles connectés chacun au second circuit PCB ; et un second connecteur mâle d'un type à 6 broches qui est sélectivement inséré dans l'un des troisième et quatrième connecteurs femelles pour connecter un circuit en parallèle ou en série.
PCT/KR2023/015666 2023-03-02 2023-10-12 Transformateur à isolation Pending WO2024181632A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2023-0027454 2023-03-02
KR1020230027454A KR102767470B1 (ko) 2023-03-02 2023-03-02 절연 트랜스

Publications (1)

Publication Number Publication Date
WO2024181632A1 true WO2024181632A1 (fr) 2024-09-06

Family

ID=92590778

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/015666 Pending WO2024181632A1 (fr) 2023-03-02 2023-10-12 Transformateur à isolation

Country Status (2)

Country Link
KR (1) KR102767470B1 (fr)
WO (1) WO2024181632A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050093642A (ko) * 2004-03-19 2005-09-23 주식회사 케이피 일렉트릭 절전형 변압기
US8836459B1 (en) * 2013-07-05 2014-09-16 Chicony Power Technology Co., Ltd. Power module
KR101996954B1 (ko) * 2016-12-23 2019-10-02 김종성 셀렉터 스위치가 구비된 절연 트랜스
CN213546099U (zh) * 2020-11-30 2021-06-25 浙江人民电器有限公司 一种变压器的绕组接线结构
JP2022007345A (ja) * 2020-06-26 2022-01-13 株式会社日立製作所 変圧器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090002612U (ko) 2008-05-14 2009-03-16 길대성 작동스위치가 구비된 변압기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050093642A (ko) * 2004-03-19 2005-09-23 주식회사 케이피 일렉트릭 절전형 변압기
US8836459B1 (en) * 2013-07-05 2014-09-16 Chicony Power Technology Co., Ltd. Power module
KR101996954B1 (ko) * 2016-12-23 2019-10-02 김종성 셀렉터 스위치가 구비된 절연 트랜스
JP2022007345A (ja) * 2020-06-26 2022-01-13 株式会社日立製作所 変圧器
CN213546099U (zh) * 2020-11-30 2021-06-25 浙江人民电器有限公司 一种变压器的绕组接线结构

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KR102767470B1 (ko) 2025-02-18
KR20240135418A (ko) 2024-09-11

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