WO2014073096A1 - Structure de logement de composant électronique - Google Patents

Structure de logement de composant électronique Download PDF

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Publication number
WO2014073096A1
WO2014073096A1 PCT/JP2012/079185 JP2012079185W WO2014073096A1 WO 2014073096 A1 WO2014073096 A1 WO 2014073096A1 JP 2012079185 W JP2012079185 W JP 2012079185W WO 2014073096 A1 WO2014073096 A1 WO 2014073096A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
electronic component
membrane
vent hole
respiratory membrane
Prior art date
Application number
PCT/JP2012/079185
Other languages
English (en)
Japanese (ja)
Inventor
光朗 深津
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to PCT/JP2012/079185 priority Critical patent/WO2014073096A1/fr
Publication of WO2014073096A1 publication Critical patent/WO2014073096A1/fr

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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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H05K5/0215—Venting apertures; Constructional details thereof with semi-permeable membranes attached to casings

Definitions

  • the present invention relates to an electronic component housing structure including a housing for housing electronic components and a respiratory membrane.
  • Patent Document 1 this type of electronic component housing structure is known (see, for example, Patent Document 1).
  • a breathing filter separate from the housing is provided.
  • the breathing filter includes a breathing membrane inside and is connected to the housing via an O-ring.
  • the accompanying internal / external pressure difference can be absorbed by the respiratory membrane and reduced.
  • an object of the present invention is to provide an electronic component housing structure that can be configured without requiring a special seal structure.
  • a housing that houses an electronic component;
  • a breathing membrane provided in the housing and separating a space inside the housing from the outside,
  • a protective part integrally formed with the housing covers the outside of the respiratory membrane, and the protective part is formed with a vent hole that communicates with the housing through the respiratory membrane.
  • An electronic component housing structure is provided.
  • an electronic component housing structure that can be configured without requiring a special seal structure is obtained.
  • FIG. 3 is a cross-sectional view taken along line AA in FIG. It is sectional drawing of the principal part of the protection part 20B by other one Example in the electronic component accommodating structure 1.
  • FIG. It is a top view of the principal part of 20 C of protection parts by other one Example in the electronic component accommodation structure 1.
  • FIG. FIG. 6 is a sectional view taken along line CC in FIG. 5.
  • 3 is a cross-sectional view showing a preferable example of a peripheral structure of a protection unit 20.
  • FIG. 6 is a cross-sectional view showing another preferred example of the peripheral structure of the protection unit 20. It is a figure which shows a modification by sectional drawing corresponding to FIG. It is a figure which shows a modification by sectional drawing corresponding to FIG.
  • FIG. 1 is a cross-sectional view showing an electronic component housing structure 1 according to an embodiment.
  • the electronic component housing structure 1 includes a housing 10 that houses the electronic component 4.
  • the housing 10 may be composed of two or more members.
  • the housing 10 includes a housing member 10a and a plate (cover) 10b.
  • the housing member 10a may be formed of any material such as resin.
  • the housing member 10a cooperates with the plate 10b to define a substantially sealed space (a space for accommodating the electronic component 4).
  • substantially sealing means that the space for accommodating the electronic component 4 communicates with the outside through a breathing membrane 70 described later, and thus it is not completely sealed in this respect.
  • the plate 10b may be formed of any material such as resin.
  • the housing member 10a and the plate 10b may be coupled by any coupling means such as an adhesive, welding, or a screw.
  • the electronic component 4 typically constitutes an in-vehicle ECU.
  • the electronic component 4 is typically an IC (Integrated Circuit) including a semiconductor element (for example, a power semiconductor having a large calorific value), but may be any electronic component including a relay or the like.
  • the electronic component 4 is mounted on the substrate 5.
  • the substrate 5 may be supported on the plate 10b by any support method (not shown).
  • the substrate 5 may be directly supported on the plate 10b with an adhesive or the like, or may be supported via a heat radiating member or the like.
  • the housing member 10a forms the side wall of the electronic component housing structure 1.
  • the plate 10b may form the side wall of the electronic component housing structure 1, or the housing member 10a and the plate. 10b may cooperate to form the side wall of the electronic component housing structure 1.
  • the space for housing the electronic component 4 is defined by two members, the housing member 10a and the plate 10b, but a third member (other than the housing member 10a and the plate 10b) ( It may be defined as follows. In this case, the third member constitutes a part of the housing 10.
  • the electronic component housing structure 1 also includes a respiratory membrane (respiratory filter) 70.
  • the breathing membrane 70 is a breathable membrane and serves to reduce or eliminate the pressure difference between the inside and outside of the housing 10 by communicating the space inside the housing 10 and the space outside the housing 10.
  • the pressure difference inside and outside the housing 10 is typically caused by a rapid temperature change in the space inside the housing 10 (for example, a temperature increase due to heat from the electronic component 4).
  • the breathing membrane 70 may have any configuration as long as it has a function of reducing or eliminating the pressure difference inside and outside the housing 10.
  • the respiratory membrane 70 is preferably made of a material that has both air permeability (moisture permeability) and waterproofness, and may be made of, for example, Gore-Tex (registered trademark).
  • FIG. 2 is a plan view showing the protection unit 20 (in the X part of FIG. 1) according to one embodiment of the electronic component housing structure 1
  • FIG. 3 is a cross-sectional view taken along line AA in FIG.
  • the vertical direction is defined according to the vertical direction of FIG.
  • the vertical direction in FIG. 3 does not necessarily correspond to the vertical direction in the actual mounting state. That is, the electronic component housing structure 1 may be mounted in an arbitrary direction.
  • the electronic component housing structure 1 is preferably mounted in a direction in which the vertically downward direction corresponds to the upward direction of FIG. Alternatively, even when the vertically downward direction is mounted in a direction corresponding to the left-right direction in FIG. 3, good water drainability can be obtained.
  • the housing member 10a holds the respiratory membrane 70.
  • the respiratory membrane 70 may be fixed to the housing member 10a by adhesion or the like.
  • the housing member 10a has a protective portion 20 that protects the respiratory membrane 70.
  • the protection part 20 is integrally formed with the housing member 10a.
  • the protection unit 20 is provided so as to cover the outer side (upper side in the drawing) of the respiratory membrane 70 via a space 32.
  • the protection part 20 is provided with a vent hole forming part 24.
  • the protection part 20 has a truncated conical shape having an upper surface 26, and the vent hole forming part 24 is set on the peripheral wall surface 22 of the protection part 20.
  • the four air hole formation parts 24 are set at equal intervals along the circumferential direction.
  • the vent hole forming portion 24 includes a first surface 24a extending perpendicularly to the surface of the respiratory membrane 70 and a second surface 24b extending parallel to the surface of the respiratory membrane, and the first surface 24a.
  • a vent hole 30 is formed between the first surface 24b and the second surface 24b. That is, in the example shown in FIGS. 2 and 3, the lower end portion of the first surface 24a does not extend as high as the second surface 24b, and therefore the vent hole 30 is located above the second surface 24b. However, it opens laterally below the lower end of the first surface 24a (parallel to the surface of the respiratory membrane). In the example shown in FIGS. 2 and 3, the tip of the second surface 24b is located within the surface of the first surface 24a.
  • the vent hole 30 is not visible in a top view (see arrow A in FIG. 3), and the surface of the respiratory membrane 70 is not seen. Even if high-pressure water is applied to the protection unit 20 in a vertical direction, the high-pressure water does not directly hit the breathing membrane 70 through the vent hole 30, and the waterproof property against the high-pressure water in this direction can be improved. it can.
  • the size of the vent hole 30 is such that even when high pressure water from a predetermined direction is applied to the protection unit 20 and water reaches the breathing membrane 70 through the vent hole 30, the water pressure is the pressure resistance of the breathing membrane 70 (water The pressure may be set to be smaller than the pressure that passes through.
  • the respiratory membrane 70 can be protected by the protective portion 20 formed integrally with the housing member 10a. This eliminates the need for a seal structure using an O-ring or the like as compared with a configuration in which a protective portion is provided separately from the housing member 10a, and can reduce the number of parts and associated costs.
  • the vent hole forming portion 24 is formed in a mode comprising a first surface 24a extending perpendicular to the surface of the respiratory membrane 70 and a second surface 24b extending parallel to the surface of the respiratory membrane. In this case, it is possible to form the vent hole 30 corresponding to the mold drawing direction. This eliminates the need for a special mold configuration (for example, slide or nesting) for forming the vent hole 30, and reduces the mold cost for resin molding (similar to die casting with metal). it can.
  • the breathing membrane 70 is supported and fixed (for example, bonded or welded) to the seating surface 29 formed with a step with respect to the inner surface 28 a of the housing member 10 a.
  • the outer peripheral edge may be supported and fixed (for example, bonded or welded) to the inner surface 28a of the housing member 10a.
  • the second surface 24b of the vent hole forming portion 24 is offset upward in the height direction with respect to the outer surface 28b of the housing member 10a. It may be the same height as the outer surface 28b. That is, the second surface 24b of the vent hole forming portion 24 may be continuous with the outer surface 28b of the housing member 10a without a step.
  • the protection unit 20 has a truncated conical form, but may have other forms.
  • the protection unit 20 may have a truncated polygonal pyramid shape.
  • FIG. 4 is a cross-sectional view of the main part of the protection part 20B according to another embodiment of the electronic component housing structure 1.
  • FIG. 4 is a cross-sectional view of the main part of the protection part 20B according to another embodiment of the electronic component housing structure 1.
  • the protection part 20B is integrally formed with the housing member 10a. As shown in FIG. 4, the protection unit 20 ⁇ / b> B is provided so as to cover the outer side (upper side in the drawing) of the respiratory membrane 70 via the space 32.
  • the protective portion 20B is formed with a vent hole 30B that communicates with the housing member 10a through the respiratory membrane 70.
  • the protection part 20B has a cylindrical shape with an upper surface 26, and the vent hole 30B is set on the peripheral wall surface 22 of the protection part 20B.
  • four vent holes 30B may be set at equal intervals along the circumferential direction, for example.
  • the vent hole 30 ⁇ / b> B extends in parallel to the surface of the respiratory membrane 70. That is, the vent hole 30B extends in the lateral direction and opens in the lateral direction.
  • the cross section (opening shape) of the vent hole 30B is arbitrary, but may be, for example, a circle or a rectangle.
  • the vent hole 30 ⁇ / b> B cannot be seen in a top view, and even if high-pressure water is applied to the protective part 20 ⁇ / b> B in a direction perpendicular to the surface of the respiratory membrane 70, The high-pressure water does not directly hit the breathing membrane 70 through the pores 30B, and the waterproofness can be enhanced against the high-pressure water in this direction.
  • the size (diameter) of the vent hole 30B is such that even when high pressure water from a predetermined direction is applied to the protective part 20B and water reaches the respiratory membrane 70 via the vent hole 30B, the pressure loss at the vent hole 30B is reduced. Therefore, the water pressure may be set to be reduced to be smaller than the pressure resistance of the respiratory membrane 70.
  • the size and number of the vent holes 30B may be determined from the viewpoint of ensuring the necessary ventilation capability by the vent holes 30B.
  • the respiratory membrane 70 can be protected by the protective portion 20B integrally formed with the housing member 10a, similarly to the configuration shown in FIGS.
  • the vent hole 30B is offset upward in the height direction with respect to the outer surface 28b of the housing member 10a, but has the same height as the outer surface 28b of the housing member 10a. Also good. That is, the surface 24d forming the lower end of the vent hole 30B may be continuous with the outer surface 28b of the housing member 10a without a step.
  • the protection unit 20B has a cylindrical shape, but may have other shapes.
  • the protection unit 20B may have a polygonal column shape.
  • the peripheral wall surface 22 of the protection part 20 ⁇ / b> B extends perpendicularly to the surface of the respiratory membrane 70, but may extend while being inclined with respect to the surface of the respiratory membrane 70.
  • the air holes 30B are not necessarily formed in the horizontal direction, and may be formed in an oblique direction or a labyrinth shape.
  • FIG. 5 is a plan view of the main part of the protection part 20C according to still another embodiment of the electronic component housing structure 1, and FIG. 6 is a cross-sectional view taken along line CC in FIG.
  • the configuration shown in FIGS. 5 and 6 is that the protective unit 20C directly covers the outside of the respiratory membrane 70, and the protective unit 20 and the protective unit 20B are disposed outside the respiratory membrane 70 via the space 32. It differs mainly from the configuration shown in FIGS. 2 and 3 and the configuration shown in FIGS. That is, the entire surface of the respiratory membrane 70 is supported and fixed (for example, bonded or welded) to the seat surface 29 formed with a step with respect to the inner surface 28a of the housing member 10a.
  • the protective part 20C is formed with a vent hole 30C communicating with the housing member 10a through the breathing membrane 70.
  • the vent hole 30 ⁇ / b> C is formed so as to extend perpendicularly to the surface of the respiratory membrane 70.
  • the configuration (number, diameter, etc.) of the vent hole 30C is such that even when high pressure water from a predetermined direction is applied to the protective part 20C and water reaches the respiratory membrane 70 via the vent hole 30C, the pressure loss at the vent hole 30C is reduced. Therefore, the water pressure may be set to be reduced to be smaller than the pressure resistance of the breathing membrane 70 (pressure that passes water).
  • the water pressure may be configured to be smaller than the pressure resistance of the respiratory membrane 70 due to the pressure loss generated in the vent hole 30C.
  • the configuration of the vent hole 30 ⁇ / b> C is set so that a breathing area necessary for eliminating the internal / external pressure difference can be secured in the respiratory membrane 70.
  • seven vent holes 30 ⁇ / b> C are provided in a circular shape, but the shape and number are arbitrary.
  • the vent hole 30 ⁇ / b> C is formed so as to extend perpendicularly to the surface of the respiratory membrane 70 in correspondence with the mold release direction, but is formed obliquely with respect to the surface of the respiratory membrane 70. Alternatively, it may be formed in a labyrinth shape.
  • the protection unit 20 ⁇ / b> C covers the outside of the respiratory membrane 70 via the space 32, and thus the protection unit 20 ⁇ / b> C directly covers the outside of the respiratory membrane 70.
  • the breathing ability (breathing area) by the breathing membrane 70 can be efficiently increased.
  • FIG. 7 is a cross-sectional view showing a preferred example of the peripheral structure of the protection unit 20.
  • the cross section of the protection part 20 corresponds to the cross section shown in FIG.
  • the protection unit 20 may be replaced by the protection unit 20B shown in FIG. 4 or the protection unit 20C shown in FIGS.
  • the housing member 10a may have a recess 200 that is recessed toward the inside of the housing member 10a.
  • the protection part 20 is preferably formed in the recess 200.
  • the protection part 20 can be protected in the recessed part 200 with respect to the high pressure water from the outside, and waterproofness can be improved. That is, since the direction of the high-pressure water that can directly hit the protective part 20 is limited by retracting the protective part 20 in the recess 200, the waterproof property can be improved.
  • the relationship between the depth H1 of the recess 200 here, the depth with respect to the respiratory membrane 70
  • the height H2 of the protective part 20 is arbitrary. Good.
  • the depth H1 of the concave portion 200 and the height H2 of the protective portion 20 are the same, but the depth H1 of the concave portion 200 is set to be higher than the height H2 of the protective portion 20 from the viewpoint of improving waterproofness. You may set large.
  • the outer shape of the recess 200 in the top view may be a circle, a polygon, or an arbitrary shape. That is, the concave portion 200 may have any shape as long as it has a shape that surrounds the protective portion 20 in a top view.
  • FIG. 8 is a cross-sectional view showing another preferred example of the peripheral structure of the protection unit 20.
  • the cross section of the protection part 20 corresponds to the cross section shown in FIG.
  • the protection unit 20 may be replaced by the protection unit 20B shown in FIG. 4 or the protection unit 20C shown in FIGS.
  • the peripheral wall 202 ⁇ / b> B of the concave portion 200 ⁇ / b> B extends perpendicularly to the surface of the respiratory membrane 70, and the peripheral wall 202 of the concave portion 200 extends obliquely with respect to the surface of the respiratory membrane 70.
  • the peripheral wall 202 of the concave portion 200 extends obliquely with respect to the surface of the respiratory membrane 70.
  • the protection part 20 can be protected in the recess 200B against high-pressure water from the outside, and the waterproofness can be improved.
  • the peripheral wall 202 ⁇ / b> B of the recess 200 ⁇ / b> B extends perpendicularly to the surface of the respiratory membrane 70, so that it can directly hit the protection unit 20 compared to the example shown in FIG. 7.
  • the direction of the high-pressure water that can be produced can be further limited, and the waterproofness can be further enhanced.
  • FIG. 1 the example shown in FIG.
  • the depth H1 of the recess 200B (here, the depth based on the respiratory membrane 70) and the height H2 of the protection unit 20 (the height based on the respiratory membrane 70).
  • the relationship with may be arbitrary.
  • the depth H1 of the recess 200B and the height H2 of the protection part 20 are the same, but the depth H1 of the recess 200B is made higher than the height H2 of the protection part 20 from the viewpoint of improving waterproofness. You may set large.
  • the electronic component housing structure 1 described above may be applied to any place of the vehicle, but is preferably applied to a place exposed to high-pressure cleaning (for example, an engine compartment). This is because, as described above, the electronic component housing structure 1 according to the above-described embodiment has a high waterproof property (ability to prevent internal flooding) against high-pressure water.
  • the protective portion 20 (the same applies to the protective portions 20B and 20C) is formed integrally with the housing member 10a of the housing 10, but is formed integrally with any member constituting the housing 10. May be.
  • the member on which the protective portion 20 is formed is preferably a member that defines the entire main surface (upper surface or lower surface) of the housing 10.
  • the protection part 20 is not restricted to the upper surface of the housing 10, and may be set to a side surface or a bottom surface. For example, it may be integrally formed with the plate 10b of the housing 10.
  • a plurality of protection units 20 may be provided for one housing 10.
  • the tip of the second surface 24b is located within the surface of the first surface 24a.
  • the tip of the second surface 24b is the first surface 24a.
  • the structure which does not reach in the plane may be sufficient.
  • the vent hole 30 can be seen in a top view (see arrow A in FIG. 9). Therefore, when high-pressure water is applied to the protective unit 20 in a direction perpendicular to the surface of the respiratory membrane 70, the high-pressure water directly hits the respiratory membrane 70 through the vent hole 30, so that the high-pressure water in this direction is waterproofed. Sex is disadvantageous.
  • the breathing membrane 70 is supported and fixed (for example, bonded or welded) to the outer peripheral edge of the seat surface 29 formed with a step with respect to the inner surface 28 a of the housing member 10 a.
  • the outer peripheral edge may be supported and fixed (for example, bonded or welded) to the inner surface 28a of the housing member 10a.
  • the step between the seating surface 29 and the inner surface 28a may be maintained (in this case, the protection unit 20C covers the outside of the respiratory membrane 70 via the space 32).

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

L'invention concerne une structure de logement de composant électronique qui comprend : un boîtier (10) pour loger un composant électronique (4) ; et un film respirant (70) pour séparer l'espace dans l'intérieur du boîtier (10) de l'extérieur, le film respirant (70) étant contenu dans le boîtier (10). Une section de protection formée d'une seule pièce avec le boîtier recouvre le côté extérieur du film respirant (70). Un trou de ventilation qui communique par l'intermédiaire du film respirant vers l'intérieur du boîtier est formé dans la section de protection.
PCT/JP2012/079185 2012-11-09 2012-11-09 Structure de logement de composant électronique WO2014073096A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/079185 WO2014073096A1 (fr) 2012-11-09 2012-11-09 Structure de logement de composant électronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/079185 WO2014073096A1 (fr) 2012-11-09 2012-11-09 Structure de logement de composant électronique

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WO2014073096A1 true WO2014073096A1 (fr) 2014-05-15

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PCT/JP2012/079185 WO2014073096A1 (fr) 2012-11-09 2012-11-09 Structure de logement de composant électronique

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019008917A (ja) * 2017-06-21 2019-01-17 矢崎総業株式会社 電子部品ユニット、ワイヤハーネス、及び、通気部防水構造
WO2019106169A1 (fr) * 2017-11-30 2019-06-06 Tdk Electronics Ag Boîtier
EP3528604A1 (fr) * 2018-02-20 2019-08-21 Volkswagen Aktiengesellschaft Dispositif doté d'un élément de compensation de pression ainsi que procédé de fabrication d'un composant du dispositif
JP2020027890A (ja) * 2018-08-13 2020-02-20 Ｋｙｂ株式会社 電子機器及びその製造方法
WO2020059104A1 (fr) * 2018-09-21 2020-03-26 三菱電機株式会社 Mécanisme de ventilation destiné à un boîtier d'équipement électronique
CN111527803A (zh) * 2017-12-25 2020-08-11 日立汽车系统株式会社 电子控制装置
US20220071029A1 (en) * 2019-01-17 2022-03-03 Hitachi Astemo, Ltd. Electronic Control Unit
DE102021114834A1 (de) 2021-06-09 2022-12-15 Zf Cv Systems Europe Bv Gehäuse für ein elektronisches Steuergerät

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JPH03108511U (fr) * 1990-02-23 1991-11-07
JP2006005162A (ja) * 2004-06-17 2006-01-05 Denso Corp 電子装置の防水ケース
JP2010278056A (ja) * 2009-05-26 2010-12-09 Furuno Electric Co Ltd 収容ケース、流動体の流速低下構造、及び、舶用電子機器

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Publication number Priority date Publication date Assignee Title
JPH03108511U (fr) * 1990-02-23 1991-11-07
JP2006005162A (ja) * 2004-06-17 2006-01-05 Denso Corp 電子装置の防水ケース
JP2010278056A (ja) * 2009-05-26 2010-12-09 Furuno Electric Co Ltd 収容ケース、流動体の流速低下構造、及び、舶用電子機器

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019008917A (ja) * 2017-06-21 2019-01-17 矢崎総業株式会社 電子部品ユニット、ワイヤハーネス、及び、通気部防水構造
CN111434194B (zh) * 2017-11-30 2022-03-22 Tdk电子股份有限公司 壳体
JP2021504965A (ja) * 2017-11-30 2021-02-15 ティーディーケイ・エレクトロニクス・アクチェンゲゼルシャフトＴｄｋ Ｅｌｅｃｔｒｏｎｉｃｓ Ａｇ ハウジング
JP7084996B2 (ja) 2017-11-30 2022-06-15 ティーディーケイ・エレクトロニクス・アクチェンゲゼルシャフト ハウジング
WO2019106169A1 (fr) * 2017-11-30 2019-06-06 Tdk Electronics Ag Boîtier
CN111434194A (zh) * 2017-11-30 2020-07-17 Tdk电子股份有限公司 壳体
US11274986B2 (en) 2017-11-30 2022-03-15 Tdk Electronics Ag Housing with pressure compensating element
CN111527803A (zh) * 2017-12-25 2020-08-11 日立汽车系统株式会社 电子控制装置
CN111527803B (zh) * 2017-12-25 2022-01-28 日立安斯泰莫株式会社 电子控制装置
EP3528604A1 (fr) * 2018-02-20 2019-08-21 Volkswagen Aktiengesellschaft Dispositif doté d'un élément de compensation de pression ainsi que procédé de fabrication d'un composant du dispositif
JP2020027890A (ja) * 2018-08-13 2020-02-20 Ｋｙｂ株式会社 電子機器及びその製造方法
JP7235455B2 (ja) 2018-08-13 2023-03-08 Ｋｙｂ株式会社 電子機器及びその製造方法
CN112690045A (zh) * 2018-09-21 2021-04-20 三菱电机株式会社 电子设备壳体的通气机构
US12022626B2 (en) 2018-09-21 2024-06-25 Mitsubishi Electric Corporation Ventilation mechanism for electronic device housing
JP7019828B2 (ja) 2018-09-21 2022-02-15 三菱電機株式会社 電子機器筐体の通気機構
WO2020059104A1 (fr) * 2018-09-21 2020-03-26 三菱電機株式会社 Mécanisme de ventilation destiné à un boîtier d'équipement électronique
JPWO2020059104A1 (ja) * 2018-09-21 2021-08-30 三菱電機株式会社 電子機器筐体の通気機構
EP3855873A4 (fr) * 2018-09-21 2021-10-13 Mitsubishi Electric Corporation Mécanisme de ventilation destiné à un boîtier d'équipement électronique
US20220071029A1 (en) * 2019-01-17 2022-03-03 Hitachi Astemo, Ltd. Electronic Control Unit
DE102021114834A1 (de) 2021-06-09 2022-12-15 Zf Cv Systems Europe Bv Gehäuse für ein elektronisches Steuergerät

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