WO2005122378A1 - 高電圧ユニット - Google Patents
高電圧ユニット Download PDFInfo
- Publication number
- WO2005122378A1 WO2005122378A1 PCT/JP2005/010783 JP2005010783W WO2005122378A1 WO 2005122378 A1 WO2005122378 A1 WO 2005122378A1 JP 2005010783 W JP2005010783 W JP 2005010783W WO 2005122378 A1 WO2005122378 A1 WO 2005122378A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electric
- voltage
- electric insulating
- voltage unit
- printed circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/10—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in series, e.g. for multiplication of voltage
- H02M7/103—Containing passive elements (capacitively coupled) which are ordered in cascade on one source
- H02M7/106—With physical arrangement details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0254—High voltage adaptations; Electrical insulation details; Overvoltage or electrostatic discharge protection ; Arrangements for regulating voltages or for using plural voltages
- H05K1/0256—Electrical insulation details, e.g. around high voltage areas
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09063—Holes or slots in insulating substrate not used for electrical connections
Definitions
- the present invention relates to a high voltage unit such as a high voltage rectifier or a high voltage resistor formed by connecting a plurality of diodes or resistors in series.
- Patent Document also discloses a high-voltage resistor in which a plurality of resistors are arranged in a meandering manner on a meandering mounting substrate cut out from opposing sides and connected in series. It is also disclosed to provide a partition having a certain height between the meandering resistors in order to increase the electrical insulation resistance.
- Such an electrical insulation structure is an effective force.
- the high voltage unit is immersed in insulating oil or gas.
- the insulating oil or gas may be contaminated, and a problem arises in that discharge occurs when the electric strength of the insulating oil or gas is reduced due to the contamination.
- the present invention provides an electrical insulation resistance of a high-voltage unit such as a high-voltage rectifier or a high-voltage resistor in which a plurality of diodes or resistors are connected in series or in parallel. It is intended to increase as necessary.
- a high-voltage unit such as a high-voltage rectifier or a high-voltage resistor in which a plurality of diodes or resistors are connected in series or in parallel. It is intended to increase as necessary.
- a first invention is to connect a plurality of electronic components in series with a printed circuit board having a plurality of cut portions formed by cutting alternately from opposing sides. And a group of high-voltage electronic components arranged meandering on the printed circuit board along the cutout portion, wherein a plurality of electrical insulations inserted into the cutout portion of the printed circuit board are provided.
- An electric insulation enhancing member detachable from the printed circuit board comprising a wall, an electric insulating base formed integrally with the wall, and an electric insulating side wall, for electrically insulating the high-voltage electronic component group. It is intended to provide a high-voltage unit characterized in that:
- the electrical insulating side wall portion is composed of a pair of first and second electrical insulating plates opposed to each other, and the electrical insulating wall portion is formed of the pair of first and second electrical insulating plates.
- a plurality of third and fourth electric insulating plates extending alternately from the first and second electric insulating plates in the counterpart direction, and the electric insulating base is provided with the first, second, third, and third electric insulating plates.
- a fifth electrical insulating plate mechanically couples one end of the fourth electrical insulating plate, and the first to fifth electrical insulating plates are integrally formed and have an adhesive portion or a connecting portion. It is intended to provide a high-voltage unit characterized by the following.
- a third invention provides the high-voltage unit according to the first or second invention, wherein the electric insulating base has a height that does not reduce the creeping surface of the print substrate. It is.
- a fourth invention is characterized in that, in any one of the first to third inventions, the electric insulation base has an electric insulation resistance equal to or higher than the electric insulation resistance of insulating oil or gas.
- a high voltage unit is provided.
- the protruding end of the electrical insulating wall portion has a length reaching an innermost portion of each cut portion of the printed circuit board.
- the present invention provides a high-voltage unit characterized by the following.
- a sixth invention is according to any one of the first to fifth inventions, wherein the electronic component is a diode, and the electronic component group is formed by connecting the diodes in series with the same polarity.
- a high-voltage unit characterized by being a high-voltage rectifier comprising a group.
- a seventh invention is the high-voltage cutout according to the sixth invention, wherein one or both of a resistor and a capacitor are connected in parallel to the diode. Is provided.
- the electronic component is a resistor
- the electronic component group is a resistor group formed by connecting the resistors in series.
- the present invention provides a high-voltage unit characterized by being a high-voltage resistor provided with:
- the electric insulating base further comprises a projection for securing a gap between the electric insulation enhancing member and the printed board.
- a high-voltage unit characterized in that:
- the electric insulation resistance of a high-voltage unit such as a high-voltage rectifier or a high-voltage resistor formed by connecting a plurality of diodes or resistors in series can be provided later. It can easily be increased as needed.
- the electrical insulation resistance can be increased without shortening the creepage distance of the printed circuit board.
- the creepage distance along each cut portion of the printed circuit board is provided. Since the separation is not reduced, the occurrence of creeping discharge can be further reliably prevented.
- a high-voltage rectifier including a resistor and a capacitor for equalizing voltage sharing.
- a high-voltage resistor having high electrical insulation resistance can be obtained.
- the movement of the insulating oil or gas between the electrical insulation enhancing member and the printed board is smoothed, and the cooling is performed, and the insulating oil or gas therebetween is provided. Can be prevented from becoming dirty or deteriorated more easily than other parts.
- FIG. 1 is a view showing a printed circuit board for explaining a high-voltage unit working according to an embodiment of the present invention.
- FIG. 2 is a diagram for explaining a high-voltage unit according to one embodiment of the present invention.
- FIG. 3A is a view showing an electric insulation enhancing member used for a high-voltage unit according to one embodiment of the present invention.
- FIG. 3B is a view showing an electric insulation enhancing member used for the high-voltage unit according to one embodiment of the present invention.
- FIG. 3C is a view showing an electrical insulation enhancing member used in the high-voltage unit according to one embodiment of the present invention.
- FIG. 3D is a view showing an electric insulation enhancing member used in the high-voltage unit according to one embodiment of the present invention.
- Embodiment 1 a description will be given of a high-voltage unit according to Embodiment 1, which is the best mode for carrying out the present invention.
- FIG. 1 shows a drawing in which electronic components are arranged in a meandering manner on a printed circuit board provided with alternating cuts from both sides.
- FIG. 2 is a diagram illustrating a high-voltage unit according to an embodiment of the present invention
- FIG. 3 is a diagram illustrating an example of an electrical insulation enhancing member used in the present invention.
- the arrangement structure shown in FIG. 1 is a general force.
- This arrangement structure is a basic part of the high-voltage unit according to the present invention.
- the printed circuit board 1 has a plurality of cuts 2a, 2b, 2c, 2d, 2e, 2f and a plurality of cuts 3a, 3b, 3c, which are formed so as to alternately enter the other side from both sides in the longitudinal direction. It has 3d and 3e. These cuts are collectively referred to as cuts 2 and 3.
- a plurality of serially connected electronic components 4 are arranged in a meandering manner along the cuts 2 and 3.
- the electronic component 4 is a high-voltage diode, it is referred to as a diode 4.
- the diode 4 is in the same direction, that is, in the case of adjacent diodes, the anode and the cathode are connected via the conductive portions 5 and 6.
- the conductive portion 5 is a conductive pattern formed along both sides in the longitudinal direction of the printed circuit board 1 at the end portions of the cut portions 2 and 3, and the conductive portion 6 is formed along the cut portions 2 and 3. Conductive pattern. Lead wires of each diode 4 are soldered to these conductive portions 5 and 6.
- the outermost conductive portions 5A and 5B at both ends are connected to metal terminals (not shown).
- each diode 4 is, for example, 7 kV, between the conductive portions 5 facing each other through the notches 2 and 3, respectively. Is 28 kV corresponding to the reverse breakdown voltage of the four diodes 4 is applied.
- Is 28 kV corresponding to the reverse breakdown voltage of the four diodes 4 is applied.
- it is used by being immersed in an insulating oil having a higher electric strength than air.
- the creepage distance between the conductive parts 5 and 5 that face each other through the notches 2 and 3 is the distance along the notches 2 and 3, and the electrical insulation of the insulating oil decreases due to contamination of the insulating oil.
- the electrical insulation distance between the conductive parts 5 and 5 facing each other through the cuts 2 and 3 is the same as the distance between the conductive parts 5 and 5, so the electrical insulation If the dielectric strength is reduced, the risk of discharge etc. increases. However, there is no problem if the electric strength of the insulating oil does not decrease.
- the cut portions 2a, 2b, and 2c are provided. , 2d, 2e, 2f and the cutouts 3a, 3b, 3c, 3d, 3e are combined with an electric insulation enhancing member 10 having a detachable electric insulation wall.
- FIGS. 3A to 3D The structure of the electrical insulation enhancing member 10 will be described with reference to FIGS. 3A to 3D.
- 3A is a view of the electrical insulation enhancing member 7 as viewed from above
- FIG. 3B is a view of the electrical insulation enhancing member 10 as viewed from the right side of the drawing
- FIG. 3C is a view of the electrical insulation enhancing member 10 as viewed from below the drawing.
- 3D is a diagram showing a cross section at A-M.
- the electrical insulation enhancing member 10 also has the strength of a synthetic resin material such as a polycarbonate resin having an electrical insulation strength substantially equal to or higher than that of the insulating oil. As shown in FIG. 3A, it has an electrically insulating side wall composed of first and second electrically insulating plates 11 and 12. The first and second electric insulating plates 11 and 12 are arranged parallel to each other, and the first and second electric insulating plates 11 and 12 also have a plurality of third and fourth electric insulating plates facing each other. Powerful electrically insulating walls 13 and 14 are provided.
- the third electrically insulating wall portion 13 is easily inserted or removed from the cutout portions 2a, 2b, 2c, 2d, 2e, 2f of the printed circuit board 1, that is, the electrically insulating plate 13a which can be inserted and removed. 13b, 13c, 13d, 13e and 13f. Therefore, the interval between adjacent ones of the electric insulating plates 13a to 13f is substantially the same as the interval between adjacent ones of the cut portions 2a to 2f of the printed circuit board 1.
- the thickness W of the electrical insulating plates 13a to 13f is slightly smaller than the width of the cutouts 2a to 2f of the printed circuit board 1.
- the length L of the electrical insulating plates 13a to 13f is It is preferable that the length of the notch portions 2a to 2f be equal to or longer than the length of the notch portions of the electric insulating plates 13a to 13f contacting the innermost surfaces of the notch portions 2a to 2f of the printed circuit board 1.
- the fourth electrical insulating wall 14 is easily inserted or removed from the cutouts 3a, 3b, 3c, 3d, 3e of the printed circuit board 1, that is, the electrical insulating plates 14a, 14b that can be inserted and removed. , 14c, 14d and 14e. Therefore, the interval between adjacent ones of the electric insulating plate portions 14a to 14e is substantially the same as the interval between adjacent ones of the cut portions 3a to 3e of the printed circuit board 1.
- the thickness W of the electric insulating plates 14a to 14e is somewhat smaller than the width of the cut portions 3a to 3e of the printed circuit board 1 as in the case of the electric insulating plates 13a to 13f.
- the length L of the cut portions 3a to 3e of the printed circuit board 1 is preferably equal to or greater than the length of the cut portions 3a to 3e of the printed circuit board 1, but the required electric insulation strength and creepage distance are obtained. Of course, it can be shorter if possible.
- the electric insulating plates 13a to 13f and the electric insulating plates 14a to 14e have substantially the same height H as shown in FIG. 3B.
- the height H is set so as not to shorten the creepage distance on the printed circuit board 1 between the conductive portions 5 and 5 facing each other through the notches 2 and 3 where the highest voltage is applied. I have.
- the thickness W of the electrical insulating plates 13a to 13f and the electrical insulating plates 14a to 14f is described as being slightly smaller than the width of the cutouts 2a to 2f and 3a to 3e of the printed circuit board 1.
- an electric insulating side wall portion including the first and second electric insulating plates 11, 12, an electric insulating wall portion 13 including the electric insulating plates 13a to 13f, and an electric insulating wall including the electric insulating plates 14a to 14e One end of the part 14 is closed and mechanically connected by an electric insulating base 15 which is also a fifth electric insulating plate.
- the electric insulating base 15 composed of the fifth electric insulating plate is not shown, and is integrally molded by pouring resin into a mold, and has an adhesive portion and a joint portion. Not. Therefore, only one side of the electric insulation enhancing member 10 is open. Only, it is possible to surely increase the creepage distance and the electric insulation strength.
- a protrusion 16 is provided at a position corresponding to the tip of the cuts 13 and 14 in the electric insulating base 15.
- the projections 16 are provided to provide an appropriate space between the printed board 1 and the electrical insulating base 15 when the printed board 1 and the electrical insulation enhancing member 10 are combined. Therefore, two protrusions 16 may be provided at both ends, which do not need to be provided regularly as shown. By doing so, the movement of the insulating oil between the printed circuit board 1 and the electric insulating base 15 becomes possible, and the cooling by the insulating oil is improved.
- the cut portions 2 and 3 of the printed circuit board 1 are replaced with the electric insulating plates 13a to 13f of the electric insulation enhancing member 10.
- the printed board 1 can be easily removed simply by pulling up the printed circuit board 1 in FIG. 2 or pulling down the electric insulation enhancing member 10 downward.
- the electrical insulation enhancing member 10 can be easily attached and detached regardless of the direction of the printed circuit board 1 in any direction.
- the electric insulation enhancing member 10 When the electric insulation enhancing member 10 is mounted on the printed circuit board 1, as described above, the electric insulating plate 13 or 14 exists between the conductive portions 5 adjacent to each other via the cutout portions. Also, there is an electric insulating base 15 on the surface shown in the drawing, and the first and second electric insulating plates 11 or 12 are present on the front side or the rear side, so that the creepage can be shortened. Electric insulation can be enhanced.
- the electronic component is a force resistor described as the diode 4, or a device in which a diode and a resistor are connected in parallel or in series, or a device in which a capacitor is connected in parallel. Is also good. Further, a structure in which these are stacked in a plurality of stages such as two-stage or three-stage may of course be used. Then, as described in the embodiment, in the case of the high voltage rectifier, a full-wave rectifier circuit can be obtained by connecting four high voltage rectifiers having the same configuration in a bridge. By connecting two powerful high voltage rectifiers to the secondary winding, a half-bridge type high voltage rectifier can be obtained.
- the high-voltage unit according to the present invention is immersed in insulating oil for use.
- the force described in the high voltage unit is electrically insulating gas of sulfur hexafluoride gas (SF)
- the present invention can be applied to increase the electrical insulation strength of a high voltage unit such as a high voltage rectifier or a high voltage resistor.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004175690A JP4505268B2 (ja) | 2004-06-14 | 2004-06-14 | 高電圧ユニット |
JP2004-175690 | 2004-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005122378A1 true WO2005122378A1 (ja) | 2005-12-22 |
Family
ID=35503426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/010783 WO2005122378A1 (ja) | 2004-06-14 | 2005-06-13 | 高電圧ユニット |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4505268B2 (ja) |
CN (1) | CN1965468A (ja) |
WO (1) | WO2005122378A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011151767A3 (en) * | 2010-06-01 | 2012-11-01 | Koninklijke Philips Electronics N.V. | Voltage rectifier with specific diode arrangement |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4569503B2 (ja) * | 2006-03-22 | 2010-10-27 | 株式会社デンソー | 受動回路素子直列接続式電子回路装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10178244A (ja) * | 1996-12-16 | 1998-06-30 | Nec Corp | 高圧電源用プリント基板 |
JPH10215515A (ja) * | 1997-01-29 | 1998-08-11 | Sumitomo Wiring Syst Ltd | 電気接続箱 |
JP2000083311A (ja) * | 1998-09-04 | 2000-03-21 | Sumitomo Wiring Syst Ltd | 自動車用電気接続箱 |
JP2003189623A (ja) * | 2001-12-21 | 2003-07-04 | Origin Electric Co Ltd | 高電圧整流器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002141231A (ja) * | 2000-10-31 | 2002-05-17 | Sanyo Electric Co Ltd | 高圧トランスおよび高周波加熱装置 |
JP3901981B2 (ja) * | 2001-10-18 | 2007-04-04 | ニチコン株式会社 | 直流高圧ユニット |
-
2004
- 2004-06-14 JP JP2004175690A patent/JP4505268B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-13 WO PCT/JP2005/010783 patent/WO2005122378A1/ja active Application Filing
- 2005-06-13 CN CNA2005800191065A patent/CN1965468A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10178244A (ja) * | 1996-12-16 | 1998-06-30 | Nec Corp | 高圧電源用プリント基板 |
JPH10215515A (ja) * | 1997-01-29 | 1998-08-11 | Sumitomo Wiring Syst Ltd | 電気接続箱 |
JP2000083311A (ja) * | 1998-09-04 | 2000-03-21 | Sumitomo Wiring Syst Ltd | 自動車用電気接続箱 |
JP2003189623A (ja) * | 2001-12-21 | 2003-07-04 | Origin Electric Co Ltd | 高電圧整流器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011151767A3 (en) * | 2010-06-01 | 2012-11-01 | Koninklijke Philips Electronics N.V. | Voltage rectifier with specific diode arrangement |
US9966872B2 (en) | 2010-06-01 | 2018-05-08 | Koninklijke Philips N.V. | Voltage rectifier with specific diode arrangement |
Also Published As
Publication number | Publication date |
---|---|
CN1965468A (zh) | 2007-05-16 |
JP2005354871A (ja) | 2005-12-22 |
JP4505268B2 (ja) | 2010-07-21 |
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