JP2009243696A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
JP2009243696A
JP2009243696A JP2006281094A JP2006281094A JP2009243696A JP 2009243696 A JP2009243696 A JP 2009243696A JP 2006281094 A JP2006281094 A JP 2006281094A JP 2006281094 A JP2006281094 A JP 2006281094A JP 2009243696 A JP2009243696 A JP 2009243696A
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JP
Japan
Prior art keywords
module
circuit board
printed circuit
fixed
insects
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
JP2006281094A
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Japanese (ja)
Inventor
Seiji Fukui
誠二 福井
Masanori Kasai
正礼 河西
Yuji Tani
祐二 谷
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Panasonic Corp
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Panasonic Corp
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.)
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Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to JP2006281094A priority Critical patent/JP2009243696A/en
Priority to PCT/JP2007/070216 priority patent/WO2008047815A1/en
Publication of JP2009243696A publication Critical patent/JP2009243696A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/20—Electric components for separate outdoor units
    • F24F1/24—Cooling of 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
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/301—Assembling printed circuits with electric components, e.g. with resistor by means of a mounting structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • 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
    • H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
    • 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
    • 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
    • H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2018—Presence of a frame in a printed circuit or printed circuit assembly
    • 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
    • H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2036—Permanent spacer or stand-off in a printed circuit or printed circuit assembly

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To prevent short breakage between module leads caused by insects intruded to an electric component box disposed on an outdoor unit of an air conditioner, and to reduce costs by saving coating between the module leads. <P>SOLUTION: A fixing space 4 is interposed and loaded between a printed wiring board 1 and a module 2 spaced from the printed wiring board 1, and a frame covering a lead section of the module 2 is disposed on the fixing spacer 4, and fixed by a radiating member 3 and a screw 9, thus the short breakage between module leads by intrusion of insects is prevented, and the coating material is saved on. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、モジュールを搭載しているプリント基板において、モジュールリード部の保護を容易に実現するため固定スペーサを用いた空気調和機に関するものである。   The present invention relates to an air conditioner using a fixed spacer for easily realizing protection of a module lead portion in a printed circuit board on which a module is mounted.

従来、この種の空気調和機は、プリント基板上にプリント基板から浮かして搭載するモジュ−ルを設置する時、プリント基板とモジュ−ルの間に、その双方を固定しさらにビスによって固定される部材（固定スペ−サ）を設けた構造となっている（例えば、特許文献１参照）。   Conventionally, when this type of air conditioner is installed on a printed circuit board, the module to be mounted on the printed circuit board is fixed between the printed circuit board and the module and fixed with screws. It has a structure provided with a member (fixed spacer) (see, for example, Patent Document 1).

図３は、特許文献１に記載された従来の空気調和機の室外機に取付けた固定スペ−サを示すものである。図３に示すように、プリント基板１００上に放熱板２００とモジュ−ル３００が実装され、前記プリント基板１００と前記モジュ−ル３００の間に挟んで固定スペ−サ４００を設け、さらに前記プリント基板１００、前記モジュ−ル３００、前記固定スペ−サ４００には、貫通穴、さらに前記放熱板２００にはビス穴があいておりビス５００にて固定されている。図３はそれぞれを固定した状態を示すものである。この際前記放熱板２００と前記プリント基板１００の間は、小さな虫等が進入できる隙間を有するものである。
特開２００２−１１１２５０号公報 FIG. 3 shows a fixed spacer attached to an outdoor unit of a conventional air conditioner described in Patent Document 1. As shown in FIG. 3, a heat sink 200 and a module 300 are mounted on a printed circuit board 100, a fixed spacer 400 is provided between the printed circuit board 100 and the module 300, and the print The substrate 100, the module 300, and the fixed spacer 400 have through holes, and the heat sink 200 has screw holes and are fixed by screws 500. FIG. 3 shows a state in which each is fixed. At this time, the heat sink 200 and the printed circuit board 100 have a gap through which a small insect or the like can enter.
JP 2002-111250 A

しかしながら、前記従来の構成では、プリント基板と放熱板の隙間より小さな虫が侵入し、モジュールのリード部に虫が、集中することでリード間がショート状態となり部品破壊及びプリント基板破壊につながるという課題を有していた。   However, in the conventional configuration, insects that are smaller than the gap between the printed board and the heat sink enter, and the insects concentrate on the lead part of the module, causing a short state between the leads, leading to component destruction and printed board destruction. Had.

本発明は、前記従来の課題を解決するもので、プリント基板と放熱板の隙間より小さな虫が侵入し、モジュールのリード部に虫が集中することで発生するリード間ショート状態を防止するとともに、コーティング材を塗布することなくショート状態を防止し、コスト及び作業時間を低減することを目的とする。   The present invention solves the above-mentioned conventional problems, and insects smaller than the gap between the printed circuit board and the heat radiating plate enter, and a short state between the leads that occurs when the insects concentrate on the lead part of the module is prevented. An object is to prevent a short-circuit state without applying a coating material, and to reduce cost and working time.

前記従来の課題を解決するために、本発明の空気調和機は、プリント基板上にプリント基板から浮かして搭載するモジュールを設置する時、プリント基板とモジュールの間に、その双方を固定しさらにビスによって固定される固定スペーサを設けかつ、前記固定スペーサに前記モジュールリード部を覆う箱型形状の枠を設けるものである。   In order to solve the above-mentioned conventional problems, the air conditioner of the present invention fixes both of the screws between the printed circuit board and the module when installing the module to be mounted on the printed circuit board. And a box-shaped frame that covers the module lead portion is provided on the fixed spacer.

これによって、プリント基板上に実装されたモジュールの部品面リード部において、コーティング材を塗布することなく、モジュールのリード部に虫が集中することで発生するリード間ショート破壊を防止することを実現するとともに、コスト及び作業時間を低減することが可能となる。   As a result, it is possible to prevent short breaks between leads that occur due to the concentration of insects on the lead part of the module without applying a coating material on the component surface lead part of the module mounted on the printed circuit board. At the same time, it is possible to reduce costs and work time.

本発明の空気調和機は、プリント基板上にプリント基板上にプリント基板から浮かして搭載するモジュールにおいて、コーティング材を塗布することなく、モジュールのリード部に虫が集中することで発生するリード間ショート状態を防止するとともに、コスト及び作業時間を低減することが実現できる。   The air conditioner of the present invention is a short circuit between leads that occurs when insects concentrate on the module lead portion without applying a coating material in a module that is mounted on the printed circuit board by floating on the printed circuit board. It is possible to prevent the situation and reduce the cost and working time.

本発明の空気調和機は、プリント基板上にプリント基板から浮かして搭載するモジュールを設置する時、プリント基板とモジュールの間に、その双方を固定しさらにビスによって固定される固定スペーサを設けかつ、前記固定スペーサに前記モジュールリード部を覆う箱型形状の枠を設けることでプリント基板上に実装されたモジュールの部品面リード部において、コーティング材を塗布することなく、モジュールのリード部に虫が集中することで発生するリード間ショート破壊を防止するとともに、コスト及び作業時間を低減することが実現できる。   The air conditioner of the present invention is provided with a fixing spacer that fixes both of the printed circuit board and the module and is further fixed by a screw between the printed circuit board and the module when installing the module to be mounted on the printed circuit board. By providing a box-shaped frame that covers the module lead portion on the fixed spacer, insects concentrate on the module lead portion without applying a coating material on the component surface lead portion of the module mounted on the printed circuit board. As a result, it is possible to prevent a short break between leads that occurs, and to reduce costs and work time.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

（実施の形態１）
図１は、本発明の実施の形態１における空気調和機のプリント基板構成の側面図である。 (Embodiment 1)
FIG. 1 is a side view of a printed circuit board configuration of an air conditioner according to Embodiment 1 of the present invention.

図１（ａ）において、１はプリント基板であり、２は前記プリント基板１の部品面側に実装されたモジュールであり、３は前記モジュール２の発する熱を放熱するための放熱板である。また、４は前記モジュール２と前記プリント基板１の間に挿入された板状の固定スペーサであり、５は前記固定スペーサ４と前記プリント基板１に引っ掛けるための固定スペーサ爪である。また、６は前記固定スペーサ４の板状スペーサ部分の周りに設けられた固定スペーサ枠である。７は、モジュールリード部であり、前記固定スペーサ枠６の枠内に収まる形状である。また、８は前記固定スペーサ４の両端に２箇所設けられた貫通穴であり、前記固定スペーサ爪５にて仮固定することで、ビス９を上方より前記貫通穴８に容易に貫通させたものである。また、１０は、コーティング材で前記プリント基板１のはんだ面側パターン及び部品リード等に塗布されている。   In FIG. 1A, 1 is a printed board, 2 is a module mounted on the component surface side of the printed board 1, and 3 is a heat radiating plate for radiating heat generated by the module 2. Reference numeral 4 denotes a plate-like fixed spacer inserted between the module 2 and the printed board 1, and reference numeral 5 denotes a fixed spacer claw for hooking the fixed spacer 4 and the printed board 1. Reference numeral 6 denotes a fixed spacer frame provided around the plate spacer portion of the fixed spacer 4. Reference numeral 7 denotes a module lead portion that has a shape that fits within the frame of the fixed spacer frame 6. Further, 8 is a through hole provided at two positions on both ends of the fixed spacer 4, and the screw 9 is easily passed through the through hole 8 from above by temporarily fixing with the fixed spacer claw 5. It is. Reference numeral 10 denotes a coating material which is applied to the solder surface side pattern and component leads of the printed circuit board 1.

図１（ｂ）は、前記固定スペーサ４の上面図であり、図１（ｃ）は、前記固定スペーサ４の側面図である。   FIG. 1B is a top view of the fixed spacer 4, and FIG. 1C is a side view of the fixed spacer 4.

図２は、本発明に実施の形態１における空気調和機の室外機概略図である。１１は、室外機本体であり、１２は室外機天板、１３は室外ファン、１４は圧縮機である。前記室外機１１の中に、前記プリント基板１が搭載されている。   FIG. 2 is a schematic diagram of an outdoor unit of the air conditioner according to Embodiment 1 of the present invention. 11 is an outdoor unit main body, 12 is an outdoor unit top plate, 13 is an outdoor fan, and 14 is a compressor. The printed circuit board 1 is mounted in the outdoor unit 11.

以上のように構成された前記箱形状の固定スペーサによるモジュールリード部のショート破壊防止について、以下その動作、作用を説明する。   The operation and action of the module lead portion short-circuit destruction prevention by the box-shaped fixed spacer configured as described above will be described below.

図１において最初に、プリント基板１に設けられている穴に前記固定スペーサ爪５を挿入することにより、前記固定スペーサ４を仮固定し、その上に前記モジュール２を実装し、さらにその上に前記放熱板３を積み重ねる構造となる。さらに前記プリント基板１及び前記モジュール２には貫通穴があいており、前記放熱板３にはビス穴があいており、前記固定スペース４にも貫通穴８が設けられおり、前記ビス９にて貫通穴を通して、前記プリント基板１と前記放熱板３を固定する。また、前記モジュール２のモジュールリード部７は、前記固定スペーサ枠６の枠内に収められており、部品面側リード部は、虫等の侵入ができる隙間をなくす構造とする。   In FIG. 1, first, the fixed spacer 4 is temporarily fixed by inserting the fixed spacer claw 5 into a hole provided in the printed circuit board 1, the module 2 is mounted thereon, and the module 2 is further mounted thereon. The heat radiating plates 3 are stacked. Further, the printed circuit board 1 and the module 2 have through holes, the heat radiating plate 3 has screw holes, the fixing space 4 also has through holes 8, and the screws 9 The printed circuit board 1 and the heat sink 3 are fixed through the through hole. Further, the module lead portion 7 of the module 2 is housed in the frame of the fixed spacer frame 6, and the component surface side lead portion has a structure that eliminates a gap through which insects and the like can enter.

次に、室外機に侵入する虫等の流れ及び部品破壊の流れについて説明をすると、室外機１１において、室外機天板１２との隙間または、室外ファン１３の開口部より虫等が屋外より室外機内に侵入し、さらに前記プリント基板１まで達する。この際前記モジュール２
などの自己発熱部品及びその発熱を放熱するための前記放熱板３に虫等が寄せ集まり、前記モジュールリード部７のリード間に進入しようとするが、前記固定スペーサ枠６が、前記プリント基板１と前記放熱板３間の隙間を塞ぎ、虫等の進入を防ぎショート状態を回避する。また、前記プリント基板１のはんだ面側は、コーティング材１０が塗布されており、モジュールリード間のショート状態を防止する構造となる。 Next, the flow of insects entering the outdoor unit and the flow of parts destruction will be described. In the outdoor unit 11, insects and the like are exposed to the outdoor from the gap between the outdoor unit top plate 12 and the opening of the outdoor fan 13. It penetrates into the machine and further reaches the printed circuit board 1. At this time, the module 2
Insects and the like gather together on the self-heating component such as the above and the heat radiating plate 3 for radiating the generated heat and try to enter between the leads of the module lead portion 7, but the fixed spacer frame 6 is connected to the printed circuit board 1. And the heat sink 3 are closed to prevent entry of insects and the like to avoid a short state. Also, the solder surface side of the printed circuit board 1 is coated with a coating material 10 to prevent a short circuit between module leads.

以上のように、本実施の形態においては、プリント基板上にプリント基板から浮かして搭載するモジュールを設置する時、プリント基板とモジュールの間に、その双方を固定しさらにビスによって固定される固定スペーサを設けかつ、前記固定スペーサに前記モジュールリード部を覆う箱型形状の枠を設けることでプリント基板上に実装されたモジュールの部品面リード部において、コーティング材を塗布することなく、モジュールのリード部に虫が集中することで発生するリード間ショート破壊を防止するとともに、コスト及び作業時間を低減することが実現できる。   As described above, in the present embodiment, when installing a module to be mounted on a printed circuit board, the spacer is fixed between the printed circuit board and the module and fixed with screws. In the component surface lead portion of the module mounted on the printed circuit board by providing a box-shaped frame that covers the module lead portion on the fixed spacer, without applying a coating material, the module lead portion In addition, it is possible to prevent short breaks between leads caused by the concentration of insects, and to reduce costs and work time.

以上のように、本発明の空気調和機は、プリント基板上にプリント基板から浮かして搭載するモジュールを設置する時、プリント基板とモジュールの間に、その双方を固定しさらにビスによって固定される固定スペーサを設けかつ、前記固定スペーサに前記モジュールリード部を覆う箱型形状の枠を設けることにより、プリント基板上に実装されたモジュールの部品面リード部において、コーティング材を塗布することなくモジュールのリード部に虫が集中することで発生するリード間ショート破壊を防止することを実現することが可能となるので、空気調和機以外の電子機器においても、プリント基板の形状に関係なく、モジュールのリード部ショート破壊を防止することの用途にも適用できる。   As described above, when the air conditioner according to the present invention is installed on a printed circuit board, the module mounted on the printed circuit board is fixed between the printed circuit board and the module and fixed with screws. By providing a spacer and a box-shaped frame that covers the module lead portion on the fixed spacer, the module lead without applying a coating material on the component surface lead portion of the module mounted on the printed circuit board It is possible to prevent short-circuit breaks between leads that occur due to the concentration of insects on the part, so even in electronic devices other than air conditioners, the lead part of the module regardless of the shape of the printed circuit board It can also be applied to the purpose of preventing short breakage.

（ａ）本発明の実施の形態１におけるプリント基板構成の側面図（ｂ）同、固定スペーサの上面図（ｃ）同、固定スペースの側面図(A) Side view of printed circuit board configuration in Embodiment 1 of the present invention (b) Same as above, Top view of fixed spacer (c) Same as above, Side view of fixed space 本発明の実施の形態１における空気調和機の室外機概略図Schematic diagram of outdoor unit for air conditioner according to Embodiment 1 of the present invention （a）従来におけるプリント基板構成の側面図（ｂ）同、固定スペーサの上面図(A) Side view of conventional printed circuit board configuration (b) Same as above, Top view of fixed spacer

符号の説明Explanation of symbols

１ プリント基板
２ モジュール
３ 放熱板
４ 固定スペーサ
５ 固定スペーサ爪
６ 固定スペーサ枠
７ モジュールリード部
８ 貫通穴
９ ビス
１０ コーティング材 DESCRIPTION OF SYMBOLS 1 Printed circuit board 2 Module 3 Heat sink 4 Fixed spacer 5 Fixed spacer claw 6 Fixed spacer frame 7 Module lead part 8 Through hole 9 Screw 10 Coating material

Claims (1)

プリント基板と、前記プリント基板上に搭載する電装部品（以下モジュール）と、前記モジュールの発する熱を放熱するための金属（以下放熱板）と前記モジュールとを固定するビスと箱状で爪が設けてある形状で、前記プリント基板と前記モジュールの間に挿入して爪で前記プリント基板と固定され、さらに、前記プリント基板と前記モジュールを固定でき、かつ前記モジュールのリード部を箱形状にて覆う固定スペーサを用いたことを特徴とする空気調和機。 A claw is provided in a box shape with a printed circuit board, an electrical component (hereinafter referred to as a module) mounted on the printed circuit board, a metal (hereinafter referred to as a heat radiating plate) for radiating heat generated by the module, and a box for fixing the module. The printed circuit board is inserted between the printed circuit board and the module and fixed to the printed circuit board with claws, and the printed circuit board and the module can be fixed, and the lead portion of the module is covered in a box shape. An air conditioner using a fixed spacer.
JP2006281094A 2006-10-16 2006-10-16 Air conditioner Pending JP2009243696A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006281094A JP2009243696A (en) 2006-10-16 2006-10-16 Air conditioner
PCT/JP2007/070216 WO2008047815A1 (en) 2006-10-16 2007-10-10 Airconditioner with outdoor unit with insect proof closed spacer between printed wiring board and electric module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006281094A JP2009243696A (en) 2006-10-16 2006-10-16 Air conditioner

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WO2013161323A1 (en) * 2012-04-27 2013-10-31 ダイキン工業株式会社 Refrigeration device
WO2020100195A1 (en) * 2018-11-12 2020-05-22 三菱電機株式会社 Control board, and outdoor unit for air conditioner

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JPH08274443A (en) * 1995-03-29 1996-10-18 Matsushita Electric Works Ltd Structure for mounting electronic part with lead pin
JP2002111250A (en) * 2000-09-29 2002-04-12 Matsushita Electric Ind Co Ltd Fixing spacer and air conditioner using the same
AU2002315755B2 (en) * 2001-07-09 2004-10-21 Daikin Industries, Ltd. Power module and air conditioner
JP2003133681A (en) * 2001-10-22 2003-05-09 Fujitsu Access Ltd Fixture of semiconductor device and fixing structure thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013161323A1 (en) * 2012-04-27 2013-10-31 ダイキン工業株式会社 Refrigeration device
WO2020100195A1 (en) * 2018-11-12 2020-05-22 三菱電機株式会社 Control board, and outdoor unit for air conditioner
JPWO2020100195A1 (en) * 2018-11-12 2021-09-02 三菱電機株式会社 Outdoor unit of control board and air conditioner
JP7019069B2 (en) 2018-11-12 2022-02-14 三菱電機株式会社 Outdoor unit of control board and air conditioner

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