WO2014128812A1 - プリント基板の接続構造、電子装置、サーボモータ - Google Patents

プリント基板の接続構造、電子装置、サーボモータ Download PDF

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Publication number
WO2014128812A1
WO2014128812A1 PCT/JP2013/007483 JP2013007483W WO2014128812A1 WO 2014128812 A1 WO2014128812 A1 WO 2014128812A1 JP 2013007483 W JP2013007483 W JP 2013007483W WO 2014128812 A1 WO2014128812 A1 WO 2014128812A1
Authority
WO
WIPO (PCT)
Prior art keywords
printed circuit
circuit board
fixed
spacer
front panel
Prior art date
Application number
PCT/JP2013/007483
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
芳幸 渡部
睦 小山
創 杉浦
Original Assignee
日本精工株式会社
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 日本精工株式会社 filed Critical 日本精工株式会社
Priority to JP2013558829A priority Critical patent/JP5831561B2/ja
Priority to CN201380002312.XA priority patent/CN104303607B/zh
Publication of WO2014128812A1 publication Critical patent/WO2014128812A1/ja

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Classifications

    • 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
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/366—Assembling printed circuits with other printed circuits substantially perpendicularly to each other
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • H05K7/14322—Housings specially adapted for power drive units or power converters wherein the control and power circuits of a power converter are arranged within the same casing
    • 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
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/144—Stacked arrangements of planar printed circuit boards
    • 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
    • H05K2201/04—Assemblies of printed circuits
    • H05K2201/042—Stacked spaced PCBs; Planar parts of folded flexible circuits having mounted components in between or spaced from each other
    • 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
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227—Other objects, e.g. metallic pieces
    • H05K2201/10409—Screws

Definitions

  • the present invention relates to a printed circuit board connection structure (a structure in which a plurality of printed circuit boards arranged vertically and electrically connected to each other are fixed in a casing), and an electronic device having the connection structure (a plurality of printed circuit boards)
  • the printed circuit boards are arranged in a vertical manner and are electrically connected to each other and are fixed in a casing), and a servo motor including the electronic device.
  • a main printed circuit board which is a power amplifier board and a control board
  • the sub printed circuit board may need to be arranged in parallel with the front panel in order to arrange many functional parts such as LED displays, connectors, and monitor terminals on the front panel. In that case, it is necessary to electrically connect the main printed circuit board and the sub printed circuit board with a connector in a mutually perpendicular arrangement.
  • both printed circuit boards are fixed to the front panel and the bottom plate of the housing with the connectors of both printed circuit boards being electrically connected to each other. It is common to fix the front panel and the bottom plate later.
  • the first printed circuit board 1 and the second printed circuit board 3 are arranged perpendicular to each other in the housing 50 of the electronic device 130.
  • the second printed circuit board 3 is arranged in parallel with the front panel 7, and the first printed circuit board 1 is arranged perpendicular to the front panel 7.
  • the second printed circuit board 3 is fixed to the front panel 7 constituting the housing 50 via spacers 6 and 8.
  • a third printed circuit board 15 is fixed to the bottom plate 5 of the casing 50.
  • the first printed circuit board 1 is fixed to the third printed circuit board 15 with spacers 4. That is, the first printed circuit board 1 is fixed to the bottom plate 5 of the housing 50 via the third printed circuit board 15.
  • the first printed circuit board 1 and the second printed circuit board 3 are electrically connected by connectors 21 and 23 mounted on each.
  • the first printed circuit board 1 and the third printed circuit board 15 are electrically connected by a cable 18 that couples the cable connectors 16 and 17 mounted on each.
  • the printed circuit boards 1 and 3 that are arranged vertically and are electrically connected by the connectors 21 and 23 are connected to the front panel 7 of the housing 50 and It fixes to the baseplate 5, respectively.
  • the front panel 7 is fixed to the bottom plate 5 with the machine screws 12.
  • Patent Document 1 describes a printed circuit board fixing bracket that can fix a printed circuit board standing vertically from a main circuit board for mounting an optional circuit board on a personal computer or the like without applying stress.
  • the connector connecting portion 2 of the printed circuit boards 1 and 3 arranged perpendicular to each other can be adjusted by making it possible to adjust the attachment position of the front panel 7 to the bottom plate 5. It is also possible to assemble without stress. However, even in this case, if there is a problem in assembly accuracy, there is a risk that stress remains in the connector connection portion 2.
  • connection structure shown in FIG. 4 even when assembled correctly, stress is applied to the connector connecting portions 2 of the printed circuit boards 1 and 3 when the entire electronic device is shaken due to external vibration or the like. Therefore, in the connection structure shown in FIG. 4, it is difficult to prevent stress from being applied to the connector connecting portion 2 at all times in use.
  • the fixing bracket described in Patent Document 1 has a complicated shape, and it is not sufficient to fix the fixing bracket at only one place with the fixing bracket, and many fixing brackets are often required. Even in the case of this fixing bracket, if there is a problem in assembly accuracy, there is a risk that stress may remain in the connection portions of the printed circuit boards arranged perpendicular to each other.
  • An object of the present invention is to prevent stress from being applied to the connector connecting portions of both printed circuit boards in a state where the printed circuit board connection structure is arranged perpendicularly to each other while the number of parts is reduced while being fixed in the housing. It is.
  • the printed circuit board connection structure is characterized by having the following configurations (1) to (3).
  • First and second printed circuit boards arranged vertically and electrically connected to each other are fixed in a housing.
  • the electrical wiring of the first printed circuit board and the electrical wiring of the second printed circuit board are connected by a connector.
  • the printed circuit boards are fixed by L-shaped metal fittings in the vicinity of the connector connecting portion.
  • the first and second printed circuit boards arranged vertically and electrically connected to each other can be fixed in the housing by the following method, for example. First, both printed circuit boards are fixed with L-shaped metal fittings. Next, one printed circuit board is arranged in parallel with the wall board in the housing having the wall board and the bottom board, the other printed circuit board is arranged perpendicular to the wall board, and the one printed circuit board is placed on the wall board. The other printed circuit board is fixed to a portion other than the wall plate of the casing.
  • connection structure of the first aspect can further have the following configurations (a) to (c), and can further have the following configurations (a), (b), and (d).
  • the housing includes a wall plate and a bottom plate, the first printed circuit board is disposed perpendicular to the wall plate, and the second printed circuit board is disposed in parallel with the wall plate.
  • the first printed circuit board is fixed to the bottom plate via a first spacer that holds a predetermined distance with respect to the bottom plate.
  • the second printed circuit board is fixed to the wall plate via a second spacer that maintains a predetermined interval with respect to the wall plate.
  • the length of the first spacer is different from the length of the second spacer.
  • the length of the first spacer is one half or more of the height of the housing.
  • An electronic device is characterized by having the following configurations (4) to (7) or the following configurations (4) to (8).
  • a casing having a front panel and a bottom plate, a first printed circuit board disposed in the casing perpendicular to the front panel, and a second print disposed in the casing in parallel with the front panel. And a substrate.
  • the second printed circuit board is fixed to the front panel, and the first printed circuit board is fixed to a portion of the housing other than the front panel.
  • the electrical wiring of the first printed circuit board and the electrical wiring of the second printed circuit board are connected by connectors adjacent to each other.
  • the first printed circuit board and the second printed circuit board are fixed by an L-shaped bracket in the vicinity of the connector connecting portion.
  • the front panel and the bottom plate are perpendicular to each other, the first printed circuit board is fixed to the bottom plate, the front panel and the bottom surface are made of different members, and both are inserted through the front panel. It is fixed with screws.
  • the electronic device may have the configurations (4) to (8) and the following configurations (e) and (f), and the configurations (4) to (8) and the following configurations (e) (g) Can also be included.
  • the first printed circuit board is fixed via a first spacer that holds a predetermined distance with respect to the bottom plate, and the second printed circuit board holds a predetermined distance with respect to the front panel. It is fixed via a second spacer.
  • the length of the first spacer is different from the length of the second spacer.
  • the length of the first spacer is one half or more of the height of the housing.
  • the connection structure of the first aspect and the electronic device of the second aspect can have the following configuration (h).
  • the length of the second spacer is less than one half of the height of the housing.
  • a servo motor includes the electronic device according to the second aspect as a control device.
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 2 is a schematic block diagram which shows the servomotor equivalent to embodiment of this invention.
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 2 is a schematic block diagram which shows the servomotor equivalent to embodiment of this invention.
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 2 is a schematic block diagram which shows the servomotor equivalent to embodiment of this invention.
  • It is a figure which shows the prior art example of the connection structure of a printed circuit board, Comprising: It is a sectional side view of an electronic device. It is a partial expanded sectional view of FIG.
  • the electronic device 13 of this embodiment includes a housing 50, a first printed circuit board 1, a second printed circuit board 2, and a third printed circuit board 15. These printed circuit boards 1, 2, 15 are arranged in the housing 50.
  • the housing 50 has a front panel 7 and a bottom plate 5 made of different members. The front panel 7 and the bottom plate 5 are perpendicular to each other. The front panel 7 and the bottom plate 5 are fixed with machine screws 12 inserted from the front panel 7.
  • the second printed circuit board 3 is disposed in parallel with the front panel 7 and fixed to the front panel 7 using spacers (second spacers) 6 and 8.
  • the first printed circuit board 1 and the third printed circuit board 15 are arranged perpendicular to the front panel 7.
  • the third printed circuit board 15 is fixed to the bottom plate 5 of the housing 50.
  • the first printed circuit board 1 is fixed to the third printed circuit board 15 with a spacer (first spacer) 4. That is, the first printed circuit board 1 is fixed to the bottom plate 5 of the housing 50 via the third printed circuit board 15. Further, the length of the spacer 4 is at least half of the height of the housing 50.
  • the electrical wiring of the first printed circuit board 1 and the electrical wiring of the second printed circuit board 3 are connected by connectors 21 and 23 adjacent to each other.
  • the first printed circuit board 1 and the second printed circuit board 3 are fixed by an L-shaped metal fitting 9 in the vicinity of the connector connecting portion 2 by the connectors 21 and 23.
  • the L-shaped bracket 9 is composed of two pieces 91 and 92 that are perpendicular to each other. One piece 91 is fixed to the first printed circuit board 1 with a machine screw 11 and the other piece 92 is secured to the second printed board 3 with a machine screw 10. It is fixed to.
  • the first printed circuit board 1 and the third printed circuit board 15 are electrically connected by a cable 18 that couples the cable connectors 16 and 17.
  • the electronic device 13 can be assembled by the following method. First, one piece 91 of the L-shaped metal fitting 9 is fixed to the first printed circuit board 1 with the small screw 11, and the other piece 92 is fixed to the second printed circuit board 3 with the small screw 10. At that time, electrical connection by the connectors 21 and 23 is simultaneously performed. Thus, thereafter, the first printed circuit board 1 and the second printed circuit board 3 can be handled as an integral L-shaped substrate.
  • the first printed circuit board 1 of the L-shaped substrate is fixed to the third printed circuit board 15 fixed to the bottom plate 5 by using the spacer 4, and the second printed circuit board 3 is fixed to the spacer 6, 8 is fixed to the front panel 7.
  • the front panel 7 and the bottom plate 5 are integrated by inserting the machine screw 12 through the screw insertion hole of the front panel 7 and screwing into the female screw of the bottom plate 5.
  • the housing 50 is closed by covering the L-shaped lid 51 and fixing it to the bottom plate 5 and the front panel 7.
  • the first printed circuit board 1 and the second printed circuit board 3 are coupled to each other by the L-shaped bracket 9 so that the first printed circuit board 1 is fixed to the housing 50. It is possible to prevent stress from being applied to the connector connecting portion 2 of the second printed circuit board 3.
  • the L-shaped metal fitting 9 has a simple shape, and as in this embodiment, it can be sufficiently fixed even at a single location. For this reason, it is possible to prevent stress from being applied to the connector connecting portion 2 while being fixed in the housing 50 with a smaller number of parts than when the fixing metal fitting described in Patent Document 1 is used.
  • the lengths of the spacer (first spacer) 4 and the spacers (second spacers) 6 and 8 are different, and the length of the spacer 4 is half of the height of the housing 50. One or more. Therefore, the spacer 4 and the first printed circuit board 1 are likely to be shaken by external vibration, but the first printed circuit board 1 and the second printed circuit board 3 are fixed by the L-shaped metal fitting 9, It is possible to prevent stress from being applied to the connector connector 2 of 3.
  • the method of assembling the electronic device 13 is not limited to the above-described method.
  • the mounting order of the first printed circuit board 1 and the second printed circuit board 3 by the L-shaped bracket 9 may be reversed.
  • the spacers 4, 6 and 8 commercially available hexagonal spacers can be used, but the spacers are not limited thereto.
  • the spacers 4, 6, and 8 may be integrally formed with the bottom plate 5 and the front panel 7 of the housing 50.
  • the servo motor corresponding to the embodiment of the present invention includes a control device (driver) including the electronic device 13 of this embodiment, a motor 14, and wiring cables 19a and 19b.
  • the first printed board 1 is a control board
  • the second printed board 3 is an interface board
  • the third printed board 15 is a power amplifier board.
  • the printed circuit board connection structure of the present invention can be suitably applied to an electronic device such as a servo motor driver that needs to be arranged with high density. Moreover, although it is used in an environment where vibration occurs, it can be suitably applied to an electronic device that requires a plurality of printed circuit boards to be arranged perpendicular to each other in the housing in terms of its function. It is also particularly useful when the spacer for fixing the printed circuit board in the casing is long (for example, when the length of the spacer is one half or more of the height or depth of the casing).

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
  • Combinations Of Printed Boards (AREA)
PCT/JP2013/007483 2013-02-22 2013-12-19 プリント基板の接続構造、電子装置、サーボモータ WO2014128812A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013558829A JP5831561B2 (ja) 2013-02-22 2013-12-19 プリント基板の接続構造、電子装置、サーボモータ
CN201380002312.XA CN104303607B (zh) 2013-02-22 2013-12-19 印刷基板的连接结构、电子装置和伺服马达

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013032687 2013-02-22
JP2013-032687 2013-02-22

Publications (1)

Publication Number Publication Date
WO2014128812A1 true WO2014128812A1 (ja) 2014-08-28

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ID=51390652

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PCT/JP2013/007483 WO2014128812A1 (ja) 2013-02-22 2013-12-19 プリント基板の接続構造、電子装置、サーボモータ

Country Status (3)

Country Link
JP (1) JP5831561B2 (zh)
CN (1) CN104303607B (zh)
WO (1) WO2014128812A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015223678A (ja) * 2014-05-29 2015-12-14 ファナック株式会社 アンプ一体型ロボット制御装置
EP3273753A1 (de) * 2016-07-22 2018-01-24 Continental Automotive GmbH Baugruppe bestehend aus zumindest zwei platinen und zumindest einem gewinkelten und leitfähigen verbindungsmittel

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852861U (zh) * 1971-10-21 1973-07-09
JPS4937747U (zh) * 1972-07-04 1974-04-03
JPS5788985U (zh) * 1980-11-19 1982-06-01
JPS58175692U (ja) * 1982-05-18 1983-11-24 シャープ株式会社 回路基板の取付装置
JPS62193781U (zh) * 1986-05-30 1987-12-09
JPH0298673U (zh) * 1989-01-26 1990-08-06
JPH04107887U (ja) * 1991-02-28 1992-09-17 株式会社ゼクセル 電子機器の組立構造
JPH06169185A (ja) * 1992-11-30 1994-06-14 Matsushita Electric Ind Co Ltd 電子機器
JPH0710994U (ja) * 1993-07-29 1995-02-14 松下電工株式会社 補助回路基板支持構造
JPH0739259Y2 (ja) * 1990-10-25 1995-09-06 オムロン株式会社 電子機器の基板接続構造
JPH08125301A (ja) * 1994-10-20 1996-05-17 Fujitsu Ltd 中継基板の実装構造

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852861U (zh) * 1971-10-21 1973-07-09
JPS4937747U (zh) * 1972-07-04 1974-04-03
JPS5788985U (zh) * 1980-11-19 1982-06-01
JPS58175692U (ja) * 1982-05-18 1983-11-24 シャープ株式会社 回路基板の取付装置
JPS62193781U (zh) * 1986-05-30 1987-12-09
JPH0298673U (zh) * 1989-01-26 1990-08-06
JPH0739259Y2 (ja) * 1990-10-25 1995-09-06 オムロン株式会社 電子機器の基板接続構造
JPH04107887U (ja) * 1991-02-28 1992-09-17 株式会社ゼクセル 電子機器の組立構造
JPH06169185A (ja) * 1992-11-30 1994-06-14 Matsushita Electric Ind Co Ltd 電子機器
JPH0710994U (ja) * 1993-07-29 1995-02-14 松下電工株式会社 補助回路基板支持構造
JPH08125301A (ja) * 1994-10-20 1996-05-17 Fujitsu Ltd 中継基板の実装構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015223678A (ja) * 2014-05-29 2015-12-14 ファナック株式会社 アンプ一体型ロボット制御装置
EP3273753A1 (de) * 2016-07-22 2018-01-24 Continental Automotive GmbH Baugruppe bestehend aus zumindest zwei platinen und zumindest einem gewinkelten und leitfähigen verbindungsmittel

Also Published As

Publication number Publication date
CN104303607A (zh) 2015-01-21
CN104303607B (zh) 2017-06-16
JP5831561B2 (ja) 2015-12-09
JPWO2014128812A1 (ja) 2017-02-02

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