WO2022220494A1 - 전장품 및 그 제조방법 - Google Patents
전장품 및 그 제조방법 Download PDFInfo
- Publication number
- WO2022220494A1 WO2022220494A1 PCT/KR2022/005092 KR2022005092W WO2022220494A1 WO 2022220494 A1 WO2022220494 A1 WO 2022220494A1 KR 2022005092 W KR2022005092 W KR 2022005092W WO 2022220494 A1 WO2022220494 A1 WO 2022220494A1
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- WO
- WIPO (PCT)
- Prior art keywords
- region
- housing
- hole
- coupling part
- cover
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 230000008878 coupling Effects 0.000 claims description 167
- 238000010168 coupling process Methods 0.000 claims description 167
- 238000005859 coupling reaction Methods 0.000 claims description 167
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 230000004927 fusion Effects 0.000 description 18
- 238000007499 fusion processing Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
- H05K5/0052—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by joining features of the housing parts
-
- 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
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
- H05K5/006—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by features for holding the PCB within the housing
Definitions
- This embodiment relates to an electric device and a method for manufacturing the same.
- An electric device provided in a vehicle has an external shape formed by a housing, and a plurality of electronic components may be disposed in the housing.
- the electrical device may include a housing including an internal space, an electronic component disposed in the housing, and a cover coupled to the housing to cover the internal space.
- a plurality of fastening structures are required for coupling the housing and the cover and for fixing the electronic components in the housing, but there is a problem in that the manufacturing cost increases due to the increase in the number of components.
- An object of the present embodiment is to provide an electrical device capable of lowering a manufacturing cost by reducing the number of parts for fastening between a plurality of components, and improving production efficiency by reducing assembling man-hours, and a manufacturing method thereof.
- An electronic device includes a housing; a printed circuit board disposed in the housing and including a first hole; and a cover coupled to the upper surface of the housing and including a second hole, wherein the housing includes: a first region disposed to pass through the first hole; a second region disposed on the first region and passing through the second hole; and a third region disposed above the second region and disposed on the upper surface of the cover.
- the cover may include a coupling groove which is recessed downward from the upper surface of the other area and the third area is disposed therein.
- a lower surface of the third region may be in contact with a bottom surface of the coupling groove.
- a lower surface of the housing may include a protrusion protruding downward, and a lower surface of the protrusion may be in contact with an upper surface of the printed circuit board.
- An accommodating groove which is depressed upwardly from the other region may be disposed on a lower surface of the protrusion, and an upper surface of the first region may be in contact with a bottom surface of the accommodating groove.
- a cross-sectional area of the first region may be greater than a cross-sectional area of the second region.
- a groove formed along an edge of the second region may be disposed on an upper surface of the first region.
- a method of manufacturing an electrical device includes: a housing including a first coupling part protruding upward from an upper surface; a printed circuit board disposed on the housing and including a first hole; and a second hole disposed on the printed circuit board, a coupling groove is formed on the top surface, a second coupling part protruding upward from the bottom surface of the coupling groove, and a second hole passing through the lower surface from the bottom surface of the coupling groove.
- a method of manufacturing an electrical device comprising a cover comprising: (a) passing the first coupling part through the first hole and the second hole; and (b) forming a protrusion in the coupling groove by fusing the first coupling part or the second coupling part with heat or a laser.
- a protrusion height of the first coupling part from the bottom surface of the coupling groove may be the same as a protrusion height of the second coupling part from the bottom surface of the coupling groove.
- a protrusion height of the first coupling part from the bottom surface of the coupling groove may be greater than a protrusion height of the second coupling part from the bottom surface of the coupling groove.
- the housing, the cover, and the printed circuit board are mutually coupled through a single protrusion through this embodiment, the number of parts is reduced and the fastening process can be made more simply.
- FIG. 1 is an exploded perspective view of an electrical device according to a first embodiment of the present invention
- FIG. 2 is a cross-sectional view illustrating a coupling structure of a housing, a cover, and a printed circuit board according to a first embodiment of the present invention
- Figure 3 is a perspective view showing a part of the upper surface of the cover according to the first embodiment of the present invention.
- FIG. 4 is a perspective view of a first coupling part according to a first embodiment of the present invention.
- Figure 5 is a perspective view showing a coupling groove of the cover according to the first embodiment of the present invention.
- FIG. 6 is a cross-sectional view illustrating a coupling structure of a housing, a cover, and a printed circuit board in an electrical device before fusion according to the first embodiment of the present invention.
- FIG. 7 is a cross-sectional view comparing the deformation of the first coupling part and the second coupling part before and after fusion according to the first embodiment of the present invention.
- FIG. 8 is a view for explaining a fusion process according to the first embodiment of the present invention.
- FIG. 9 is a view showing a modified example of the first coupling portion and the second coupling portion according to the first embodiment of the present invention.
- FIG. 10 is a cross-sectional view illustrating a coupling structure of a housing, a cover, and a printed circuit board through a fusion-bonded protrusion according to the shape of FIG. 9;
- FIG. 11 is a view showing another modified example of the first coupling part and the second coupling part according to the first embodiment of the present invention.
- FIG. 12 is a perspective view illustrating an external appearance of an electronic device according to a second embodiment of the present invention.
- FIG. 13 is a cross-sectional view of an electrical device according to a second embodiment of the present invention.
- FIG. 14 is an exploded perspective view of an electrical device according to a second embodiment of the present invention.
- Fig. 15 is a view showing Fig. 14 from another angle
- 16 is a view illustrating an assembly process of a housing, a cover, and a printed circuit board according to a second embodiment of the present invention
- 17 to 20 are views sequentially illustrating an assembly process of a housing, a cover, and a printed circuit board according to a second embodiment of the present invention.
- 21 is a cross-sectional view illustrating a coupling structure of a housing, a cover, and a printed circuit board in an electrical device before a fusion process according to a second embodiment of the present invention.
- FIG. 22 is a view showing the coupling structure of the housing, the cover, and the printed circuit board after the fusion process according to the second embodiment of the present invention.
- a component when it is described that a component is 'connected', 'coupled', or 'connected' to another component, the component is directly 'connected', 'coupled', or 'connected' to the other component. In addition to the case, it may include a case of 'connected', 'coupled', or 'connected' by another element between the element and the other element.
- FIG. 1 is an exploded perspective view of an electrical device according to a first embodiment of the present invention
- FIG. 2 is a cross-sectional view showing a coupling structure of a housing, a cover, and a printed circuit board according to a first embodiment of the present invention
- FIG. 3 is this view It is a perspective view showing a part of the upper surface of the cover according to the first embodiment of the present invention
- Figure 4 is a perspective view of the first coupling part according to the first embodiment of the present invention
- Figure 5 is a perspective view according to the first embodiment of the present invention It is a perspective view showing the coupling groove of the cover
- FIG. 1 is an exploded perspective view of an electrical device according to a first embodiment of the present invention
- FIG. 2 is a cross-sectional view showing a coupling structure of a housing, a cover, and a printed circuit board according to a first embodiment of the present invention
- FIG. 3 is this view It is a perspective view showing a part of the upper surface of the cover according to the
- FIG. 6 is a cross-sectional view showing the coupling structure of the housing, the cover, and the printed circuit board in the electronic device before fusion according to the first embodiment of the present invention
- FIG. 7 is the first embodiment of the present invention. It is a cross-sectional view comparing the deformation of the first coupling part and the second coupling part before and after the fusion according to the embodiment
- FIG. 8 is a view for explaining the fusion process according to the first embodiment of the present invention.
- FIGS. 1 and 2 are views showing the bonding state of the electrical equipment before thermal fusion
- FIGS. 2 and 3 are views showing the bonding state of the electrical equipment after thermal fusion.
- the electrical device 10 may have an external shape formed by coupling the housing 100 and the cover 200 .
- the housing 100 may have a space for accommodating at least one or more components therein, and may have a rectangular cross-sectional shape.
- the housing 100 includes a side portion 111 forming a side surface, an upper surface portion 113 bent inward from the upper end of the side surface portion 111 , and a lower surface portion bent inward from the lower end of the side surface portion 111 .
- the upper surface of the lower surface may form a bottom surface of the space.
- the upper surface part 113 may be disposed in an upper edge region of the housing 100 to which the cover 200 is coupled.
- a connector 400 to which a terminal (not shown) for connecting the electrical component 10 and other components is coupled may be disposed on a side surface of the housing 100 .
- a connector coupling part 102 having a hole shape penetrating from the outer surface to the inner surface may be disposed on the side part 111 to couple the connector 400 .
- the housing 100 may be formed of a plastic material.
- the cover 200 may be coupled to the upper surface of the housing 100 . Due to the coupling of the cover 200 , the space within the housing 100 may be covered from the external area.
- the cover 100 may have a cross-section corresponding to a cross-sectional shape of the housing 100 .
- the cover 100 may be formed of a plastic material.
- At least one electronic component for driving the electric device 10 may be disposed in the space within the housing 100 .
- the electronic component may include a printed circuit board 300 .
- the printed circuit board 300 is formed in a plate shape, and may be coupled to the upper surface of the housing 100 .
- the printed circuit board 300 may be disposed on the upper surface of the upper surface part 113 . In this case, the upper surface of the upper surface portion 113 may be disposed to be stepped downward by a predetermined distance from the upper surface of the side surface portion 111 .
- At least one device for driving may be mounted on the printed circuit board 300 .
- a sealing member 500 for preventing foreign substances from entering the space within the housing 100 is provided.
- the sealing member 500 may be formed of a rubber material, and may be disposed to seal a region between the housing 100 and the cover 200 and between the housing 100 and the connector 400 .
- the housing 100 , the cover 200 , and the printed circuit board 300 may be coupled to each other through a protrusion 150 .
- the protrusion 150 may protrude upward from the upper surface of the upper surface portion 113 of the housing 100 , and may be disposed to penetrate the printed circuit board 300 and the cover 200 .
- the protrusion 150 protrudes upward from the upper surface of the upper surface portion 113 of the housing 100 , and may include a first region 152 , a second region 156 , and a third region 154 .
- the first region 152 may protrude upward from the upper surface of the upper surface part 113 and may be disposed to penetrate the printed circuit board 300 .
- a first hole 310 may be formed in the printed circuit board 300 to allow the first region 152 to pass therethrough.
- a cross-sectional shape of the first hole 310 may be formed to correspond to a cross-sectional shape of the first region 152 .
- the first hole 310 and the first region 152 may have a first cross-sectional area.
- the cross-sectional area of the first region 152 is smaller than the cross-sectional area of the first hole 310 , so that the outer peripheral surface of the first region 152 may be spaced apart from the inner peripheral surface of the first hole 310 by a predetermined distance.
- the vertical thickness of the first region 152 may correspond to or be larger than the vertical thickness of the printed circuit board 300 .
- the upper surface of the first region 152 may be in contact with the bottom surface of the receiving groove 240 in the protrusion 230 of the cover 200 to be described later.
- the second region 156 may be disposed to connect the first region 152 and the third region 154 .
- the second region 156 may be disposed to penetrate the cover 200 .
- the cover 200 may include a second hole 220 passing through the lower surface from the upper surface and having the second region 156 disposed therein.
- a cross-sectional shape of the second hole 220 may be formed to correspond to a cross-sectional shape of the second region 156 .
- the second region 156 and the second hole 220 may have a second cross-sectional area.
- the second cross-sectional area may be smaller than the first cross-sectional area.
- the cross-sectional area of the second region 156 is smaller than the cross-sectional area of the second hole 220 so that the outer peripheral surface of the second region 156 is spaced a predetermined distance from the inner peripheral surface of the second hole 220 .
- the cross-sectional area of the second region 156 is smaller than the cross-sectional area of the second hole 220 so that the outer peripheral surface of the second region 156 is spaced a predetermined distance from the inner peripheral surface of the second hole 220 .
- a groove 158 recessed lower than other regions may be formed in a lower edge region of the second region 156 among the upper surfaces of the first region 152 . Accordingly, the other upper surface of the first region 152 is in contact with the bottom surface of the receiving groove 240 , and the bottom surface of the groove 158 is spaced apart from the bottom surface of the receiving groove 240 by a predetermined distance.
- An assembling tolerance can be secured through the groove 158 and, in a fusion process to be described later, foreign substances including a melt are accommodated in the groove 158 and can be prevented from flowing into other regions.
- a third region 154 may be disposed on the second region 156 .
- the third region 154 may have a dome shape.
- the third region 154 may have a hemispherical shape.
- the third region 154 may be disposed on the upper surface of the cover 200 .
- a coupling groove 210 in which the third region 154 is disposed may be formed in the upper surface of the cover 200 to be depressed lower than other regions.
- a lower surface of the third region 154 is in contact with the bottom surface of the coupling groove 210 , and the second region 156 extending downward of the third region 154 is formed by the second hole 220 . It may be a structure that is arranged within.
- An upper surface of the third region 154 may be curved.
- the upper surface of the third region 154 may be disposed below the upper surface of the cover 200 .
- the third region 154 may be a region in which a first coupling part 120 of the housing 100, which will be described later, and a second coupling part 250 of the cover 200 are fused through heat or laser. .
- the diameter F of the third region 154 may be 4 mm to 6 mm, and the height G from the bottom surface of the coupling groove 210 to the upper end of the third region 154 may be 2 mm to 4 mm. have.
- a side surface of the third region 154 may be spaced apart from an inner circumferential surface of the coupling groove 210 .
- the cover 200 includes a protrusion 230 that protrudes downward from a lower surface facing the space within the housing 100 , and a second portion penetrating the bottom surface of the coupling groove 210 from the lower surface of the protrusion 230 . It may include a hole 220 .
- the protrusion 230 may protrude below the lower surface of the cover 200 than other regions, and the lower surface may be in contact with the upper surface of the printed circuit board 300 .
- the accommodating groove 240 may be disposed in the center of the lower surface of the protrusion 230 , and the receiving groove 240 has a cross-section corresponding to the cross-sectional shape of the first region 152 . formed to accommodate a portion of an upper end of the first region 152 . An upper surface of the first region 152 may be in contact with a bottom surface of the receiving groove 240 .
- the coupling groove 210 is disposed on the upper surface of the cover 200 so that the second hole 220 passes through the bottom surface of the receiving groove 240 from the bottom surface of the coupling groove 210 .
- the protrusion 150 may be provided in plurality, and may be disposed to be spaced apart from each other along edges of the housing 100 and the cover 200 .
- the housing, the cover, and the printed circuit board are mutually coupled through a single protrusion, the number of parts is reduced and the fastening process can be made more simply.
- the protrusion 150 may be a region in which at least a portion of the cover 200 or the housing 100 is fused through heat or laser.
- a method of coupling the housing 100 , the printed circuit board 300 , and the cover 200 will be described.
- the first coupling part 120 protruding upward may be disposed on the upper surface of the housing 100 before fusion.
- the first coupling part 120 may be disposed to protrude upward from the top surface of the top surface part 113 .
- the first coupling part 120 may pass through the second hole 220 and be disposed to protrude upward from the bottom surface of the coupling groove 210 .
- the second coupling part 250 may be disposed inside the coupling groove 210 .
- the second coupling part 250 may have a shape protruding upward from the bottom surface of the coupling groove 210 .
- a hole 252 (refer to FIG. 5 ) may be formed inside the second coupling part 250 so that the first coupling part 120 is disposed.
- the protrusion height (B) of the first coupling part 120 from the bottom surface of the coupling groove 210 is the protrusion height (A) of the second coupling part 250 from the bottom surface of the coupling groove 210 .
- the protrusion height A of the second coupling part 250 from the bottom surface of the coupling groove 210 and the protrusion height of the first coupling part 120 from the bottom surface of the coupling groove 210 . (B) may be formed to be 2mm to 3mm, respectively.
- the diameter (C) of the first coupling part 120 may be 3 mm to 4 mm, and the thickness ((E-D)/2) of the second coupling part 250 may be 0.5 mm to 1 mm.
- the diameter of the hole 252 disposed inside the second coupling part 250 is formed to be larger than the diameter of the first coupling part 120 , so that the outer circumferential surface of the first coupling part 120 and the second coupling part 120 .
- the inner peripheral surfaces of the two coupling parts 250 may be spaced apart from each other by a predetermined distance.
- the first coupling part 120 is disposed to pass through the first hole 310 of the printed circuit board 300 and the second hole 220 of the cover 200 .
- the third region 154 of the above-described protrusion 150 can be formed.
- the protrusion ( 150) and the cover 200 can be firmly coupled to each other, and a gap is prevented from being formed between the cover 200 and the protrusion 150, so that the space within the housing 100 can be firmly sealed.
- the height of the third region 154 is lower than the heights of the first coupling part 120 and the second coupling part 250 before fusion, and the height of the third region 154 is
- the cross-sectional area may be formed to be larger than the cross-sectional area of the first coupling part 120 and the second coupling part 250 before fusion.
- FIG. 9 is a view illustrating a modified example of the first coupling part and the second coupling part according to the first embodiment of the present invention
- FIG. 10 is a housing, a cover, and a printed circuit board through the fused protrusion according to the shape of FIG. It is a cross-sectional view showing the bonding structure of
- the protruding height of the first coupling part 120 from the bottom surface of the coupling groove 210 is the second from the bottom surface of the coupling recess 210 . It may be formed to be larger than the protrusion height of the coupling part 250 . In some cases, the first coupling part 120 may be disposed above the upper surface of the cover 200 .
- the upper region of the protrusion 190 may be formed in a shape that surrounds a part of the second coupling part 250 .
- FIG. 11 is a view showing another modified example of the first coupling part and the second coupling part according to the first embodiment of the present invention.
- the protruding height of the first coupling part 120 from the bottom surface of the coupling groove 210 is the second coupling part 250 from the bottom surface of the coupling groove 210 .
- the protrusion height of the second coupling part 250 from the bottom surface of the coupling groove 210 is the first coupling part ( 120) may be formed to be smaller than 1/2 of the protrusion height.
- most of the fusion region is formed in the first coupling part 120 , and the fusion region of the first coupling part 120 surrounds the outer surface of the second coupling part 250 , and the upper end of the protrusion can be formed.
- the bonding force is somewhat lowered, but the feature is that the fusion process can be made more simply.
- FIG. 12 is a perspective view showing the appearance of an electrical appliance according to a second embodiment of the present invention
- FIG. 13 is a cross-sectional view of an electrical appliance according to a second embodiment of the present invention
- FIG. 14 is a second embodiment of the present invention
- FIG. 15 is a view showing FIG. 14 from another angle
- FIG. 16 is a view showing an assembly process of a housing, a cover, and a printed circuit board according to a second embodiment of the present invention
- FIG. 17 20 to 20 are views sequentially illustrating an assembly process of a housing, a cover, and a printed circuit board according to a second embodiment of the present invention.
- FIG. 22 is a view showing the coupling structure of the housing, the cover, and the printed circuit board after the fusion process according to the second embodiment of the present invention.
- the electrical device 20 may have an external shape formed by coupling the housing 1100 and the cover 1200 .
- the housing 1100 has a space 1102 for accommodating at least one or more components therein, and may have a rectangular cross-sectional shape.
- the housing 1100 may include a side surface portion 1104 forming a side surface, and an upper surface portion 1103 bent inward from an upper end of the side surface portion 1104 and forming an upper surface.
- the housing 1100 may include one or more coupling parts 1190 .
- the coupling part 1190 may have a shape protruding outward from the outer surface of the side part 1104 .
- the coupling part 1190 may include a coupling hole 1192 penetrating from the top surface to the bottom surface. A screw may pass through the coupling hole 1192 , and accordingly, the electrical device 20 may be coupled to the installation area.
- the housing 1100 may be formed of a plastic material.
- the cover 1200 may be disposed under the housing 1100 .
- the cover 1200 may be coupled to a lower surface of the housing 1100 .
- the cover 1200 and the lower portion of the housing 1100 are exemplified, but the present invention is not limited thereto. It may be disposed on top of 1100 . Due to the coupling of the cover 1200 , the space 1102 in the housing 1100 may be covered from the external area.
- the cover 1200 may have a cross-section corresponding to a cross-sectional shape of the housing 1100 .
- the cover 1200 may be formed of a plastic material.
- a sealing member (not shown) may be disposed between the housing 1100 and the cover 1200 to prevent foreign substances from being introduced into the space within the housing 1100 .
- the sealing member may be formed of a rubber material, and may seal between the housing 1100 and the cover 1200 .
- At least one electronic component for driving the electric device 20 may be disposed in a space within the housing 1100 .
- the electronic component may include a printed circuit board 1300 .
- the printed circuit board 1300 is formed in a plate shape, and may be disposed in the space 1102 in the housing 1100 .
- the printed circuit board 1300 may be disposed between the housing 1100 and the cover 1200 .
- the upper surface of the printed circuit board 1300 may be spaced apart from the lower surface of the upper surface portion 1103 of the housing 1100 by a predetermined distance.
- At least one element for driving the electronic device 20 may be mounted on the printed circuit board 1300 .
- the housing 1100 may include a first protrusion 1130 .
- the first protruding part 1130 may be formed to protrude downward from the lower surface of the upper surface part 1103 .
- a plurality of the first protrusions 1130 may be provided, and the plurality of first protrusions 1130 may be disposed to be spaced apart from each other.
- some of the plurality of first protrusions 1130 are respectively disposed in a corner region of the housing 1100 , and other portions are located at one corner of the housing 1100 and another corner adjacent to the one corner. can be placed between them.
- a groove 1150 having a shape that is depressed lower than other regions may be formed in a region corresponding to the region where the first protrusion 1130 is formed on the upper surface of the housing 1100 .
- a lower surface of the first protrusion 1130 may be in contact with an upper surface of the printed circuit board 1300 .
- the cover 1200 may include a second protrusion 1210 protruding upward from an upper surface facing the housing 1100 .
- the second protrusion 1210 may have a shape that protrudes upward from the upper surface of the cover 1200 than other regions.
- a plurality of the second protrusions 1210 may be provided, and the plurality of second protrusions 1210 may be disposed to be spaced apart from each other.
- the plurality of second protrusions 1210 may be disposed to overlap the plurality of first protrusions 1130 in the vertical direction.
- the second protrusion 1210 may have a circular cross-sectional shape.
- a third protrusion 1220 may be formed on the upper surface of the second protrusion 1210 to protrude upward from other regions. An upper surface of the third protrusion 1220 may be in contact with a lower surface of the printed circuit board 1300 .
- the third protrusion 1220 may have a ring-shaped cross-sectional shape. Accordingly, the printed circuit board 1300 may be firmly fixed in the space 1102 by the lower surface of the first protrusion 1130 and the upper surface of the third protrusion 1220 .
- a first groove 1240 having a shape that is depressed upwardly from other regions may be formed in a region corresponding to the region where the second protrusion 1210 is formed on the lower surface of the cover 1200 .
- the bottom surface of the first groove 1240 may be disposed to be stepped upward from the lower surface of the cover 1200 .
- the cover 1200 may include a first hole 1230 .
- the first hole 1230 may be formed to pass through the lower surface from the upper surface of the cover 1200 .
- the first hole 1230 may be formed inside the second protrusion 1210 .
- the first hole 1230 may have a shape penetrating through the bottom surface of the first groove 1240 from the top surface of the second protrusion 1210 .
- a cross-sectional area of the first hole 1230 may be smaller than a cross-sectional area of the first groove 1240 .
- the first hole 1230 may include two or more regions having different cross-sectional areas.
- the first hole 1230 includes a 1-1 hole 1232 having a first diameter and a 1-2 hole 1234 having a second diameter smaller than the first diameter. ) may be included.
- the 1-1 hole 1232 and the 1-2 hole 1234 are disposed in the vertical direction and may communicate with each other.
- the first-second hole 1234 may be disposed under the first-first hole 1232 .
- An inclined surface 1236 having a shape in which the cross-sectional area becomes smaller as it goes downward may be formed between the 1-1 hole 1232 and the 1-2 hole 1234 among the inner surfaces of the first hole 1230 . .
- the printed circuit board 1300 may include a second hole 1310 .
- the second hole 1310 may be formed to pass through the lower surface from the upper surface of the printed circuit board 1300 .
- the second hole 1310 may be formed to be smaller than the cross-sectional area of the first hole 1230, but is not limited thereto.
- the diameter of the second hole 1310 may be smaller than the diameter of the 1-1 hole 1232 and greater than or equal to the diameter of the first-2 hole 1234 .
- the second hole 1310 may be disposed to face the first hole 1230 in the vertical direction.
- the housing 1100 may include a protrusion 1120 .
- the protrusion 1120 may have a shape protruding downward from the lower surface of the first protrusion 1130 .
- the protrusion 1120 may be disposed to penetrate the second hole 1310 of the printed circuit board 1300 and the first hole 1230 of the cover 1200 .
- the protrusion 1120 includes a first region 1122 protruding downward from the lower surface of the first protrusion 1130 and a second region 1124 disposed at the lower end of the first region 1122 . can do.
- the first region 1122 may be disposed inside the first hole 1230 and the second hole 1310
- the second region 1124 may be disposed in the first groove 1240 .
- An upper surface of the second region 1124 may be in contact with a bottom surface of the first groove 1240 .
- a cross-sectional area of the second region 1124 may be larger than a cross-sectional area of the first region 1122 .
- the lower end of the protrusion 1120 that is, the end surface of the second region 1124 , that is, the lower surface may be a curved surface having a predetermined curvature.
- the second region 1124 may have a donut shape.
- a second groove 1126 having a shape that is depressed upward from other regions may be formed on a lower surface of the protrusion 1120 .
- a bottom surface of the second groove 1126 that is, an upper end of the second groove 1126 may be disposed below a lower surface of the printed circuit board 1300 .
- the protrusion 1120 may be a region formed by heat or laser fusion of the housing 1100 and the cover 1200 .
- the second region 1124 of the protrusions 1120 may be a region fused through heat or laser.
- the housing 1100 , the cover 1200 , and the printed circuit board 1300 may be coupled to each other by heat or laser fusion.
- FIG. 21 is a view showing the housing 1100, the cover 1200, and the printed circuit board 1300 with the vertical directions changed.
- the first protrusion of the housing 1100 before the fusion process The area protruding downward from the lower surface of 1130 is called the first coupling part 1170 , and the area protruding downward from the lower surface of the cover 1200 before the fusion revolution is named as the second coupling part 1270 .
- a groove 1172 is formed inside the first coupling part 1170 to form the second groove 1126 , and the second coupling part 1270 is separated from the bottom surface of the first groove 1240 .
- a hole through which the first coupling part 1170 is coupled may be formed therein by protruding downward.
- the second hole 1310 of the printed circuit board 1300 is coupled to the first coupling part 1170 of the housing 1100 . Accordingly, the printed circuit board 1300 may be primarily fixed in contact with the lower surface of the first protrusion 1130 .
- the first coupling part 1170 to which the printed circuit board 1300 is coupled is coupled to the inside of the second coupling part 1270 .
- the lower end of the first coupling part 1170 may protrude downward than the lower end of the second coupling part 1270 .
- a cross-sectional view showing the coupling state in FIG. 19 is the same as in FIG. 21 .
- the protrusion 1120 may be formed as shown in FIGS. 13 and 16 (b). That is, the protrusion 1120 may be formed by curing the fusion product of the first coupling part 1170 and the second coupling part 1270 .
- the housing 1100, the cover 1200, and the printed circuit board 1300 can be coupled together by the fusion process, the number of parts for coupling is reduced, and the fastening process is more convenient There are advantages that can be achieved.
- the bonding force between the housing 1100 and the cover 1200 is more can be made robustly.
- the housing 1100 and the cover 1200 since a gap is prevented from being generated between the outer circumferential surface of the first region 1122 in the protrusion 1120 and the inner circumferential surface of the first hole 1230 , the housing 1100 and the cover 1200 . ) can be more firmly maintained in the bonding state.
- the diameter A of the first coupling part 1170 before the fusing process is the printed circuit board It may be smaller than the diameter of the second hole 1310 in 1300 . Accordingly, a gap H may be formed between the outer surface of the first coupling part 1170 and the inner surface of the second hole 1310 in the printed circuit board 1300 .
- the diameter A of the first coupling part 1170 before the fusion process may be smaller than the diameter of the hole in the second coupling part 1270 . Accordingly, a gap D may be formed between the outer surface of the first coupling part 1170 and the inner surface of the hole in the second coupling part 1270 .
- the distance (D) between the outer circumferential surface of the first coupling part 1170 and the inner surface of the hole of the second coupling part 1270 before the fusing process is the outer circumferential surface of the first coupling part 1170 and the first coupling part 1170 before the fusing process. It may be smaller than the interval H between the inner surfaces of the two holes 1310 .
- the gap (E) between the lower end of the first coupling part 1170 and the lower end of the second coupling part 1270 before the fusion process is the second coupling protruding from the bottom surface of the first groove 1240 . It may be less than 1/5 of the height F of the portion 1270 . In addition, the diameter B of the groove 1172 in the first coupling part 1170 before the fusion process may be greater than 1/2 of the diameter A of the first coupling part 1170 .
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Abstract
Description
Claims (10)
- 하우징;상기 하우징 내 배치되며, 제1홀을 포함하는 인쇄회로기판; 및상기 하우징의 상면에 결합되며, 제2홀을 포함하는 커버를 포함하고,상기 하우징은,상기 제1홀을 관통하도록 배치되는 제1영역;상기 제1영역의 상부에 배치되며, 상기 제2홀을 관통하도록 배치되는 제2영역; 및상기 제2영역의 상부에 배치되며, 상기 커버의 상면에 배치되는 제3영역을 포함하는 전장품.
- 제 1 항에 있어서,상기 커버는 상면에서 타 영역보다 하방으로 함몰되며, 내측에 상기 제3영역이 배치되는 결합홈을 포함하는 전장품.
- 제 2 항에 있어서,상기 제3영역의 하면은 상기 결합홈의 바닥면에 접촉되는 전장품.
- 제 1 항에 있어서,상기 하우징의 하면에는 하방으로 돌출되는 돌출부를 포함하고,상기 돌출부의 하면은 상기 인쇄회로기판의 상면에 접촉되는 전장품.
- 제 4 항에 있어서,상기 돌출부의 하면에는 타 영역보다 상방으로 함몰되는 수용홈이 배치되고,상기 제1영역의 상면은 상기 수용홈의 바닥면에 접촉되는 전장품.
- 제 5 항에 있어서,상기 제1영역의 단면적은 상기 제2영역의 단면적 보다 큰 전장품.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,상기 제1영역의 상면에는 상기 제2영역의 가장자리를 따라 형성되는 홈이 배치되는 전장품.
- 상면으로부터 상방으로 돌출되는 제1결합부를 포함하는 하우징; 상기 하우징의 상부에 배치되며, 제1홀을 포함하는 인쇄회로기판; 및 상기 인쇄회로기판의 상부에 배치되며, 상면에 결합홈이 형성되고, 상기 결합홈의 바닥면으로부터 상방으로 돌출되는 제2결합부 및 상기 결합홈의 바닥면으로부터 하면을 관통하는 제2홀을 포함하는 커버로 구성되는 전장품의 제조 방법에 있어서,(a) 상기 제1결합부가 상기 제1홀 및 상기 제2홀을 관통하는 단계; 및(b) 상기 제1결합부 또는 상기 제2결합부를 열 또는 레이저로 융착하여 상기 결합홈 내 돌기를 형성하는 단계를 포함하는 전장품의 제조 방법.
- 제 8 항에 있어서,상기 결합홈의 바닥면으로부터 상기 제1결합부의 돌출 높이와, 상기 결합홈의 바닥면으로부터 상기 제2결합부의 돌출 높이는 동일한 전장품의 제조 방법.
- 제 8 항에 있어서,상기 결합홈의 바닥면으로부터 상기 제1결합부의 돌출 높이는, 상기 결합홈의 바닥면으로부터 상기 제2결합부의 돌출 높이 보다 큰 전장품의 제조 방법.
Priority Applications (4)
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EP22788350.1A EP4326016A1 (en) | 2021-04-13 | 2022-04-08 | Electric/electronic equipment and method for manufacturing same |
CN202280027630.0A CN117223402A (zh) | 2021-04-13 | 2022-04-08 | 电气/电子设备及其制造方法 |
JP2023562884A JP2024514871A (ja) | 2021-04-13 | 2022-04-08 | 電装品およびその製造方法 |
US18/555,460 US20240196548A1 (en) | 2021-04-13 | 2022-04-08 | Electric/electronic equipment and method for manufacturing same |
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KR1020210047961A KR20220141623A (ko) | 2021-04-13 | 2021-04-13 | 전장품 및 그 제조방법 |
KR10-2021-0047961 | 2021-04-13 | ||
KR1020220012703A KR20230115799A (ko) | 2022-01-27 | 2022-01-27 | 전장품 |
KR10-2022-0012703 | 2022-01-27 |
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US (1) | US20240196548A1 (ko) |
EP (1) | EP4326016A1 (ko) |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150282351A1 (en) * | 2012-10-23 | 2015-10-01 | Valeo Systemes De Controle Moteur | Housing including a sealed heading |
KR20160141480A (ko) * | 2015-06-01 | 2016-12-09 | (주)뉴옵틱스 | 무배젤 디스플레이 장치의 하우징 |
KR20200045663A (ko) * | 2018-10-23 | 2020-05-06 | 현대오트론 주식회사 | 전자 제어 장치 |
KR20200085602A (ko) * | 2019-01-07 | 2020-07-15 | 엘지이노텍 주식회사 | 카메라 모듈 |
KR20200144814A (ko) * | 2019-06-19 | 2020-12-30 | 한국단자공업 주식회사 | 차량용 충전장치 |
-
2022
- 2022-04-08 US US18/555,460 patent/US20240196548A1/en active Pending
- 2022-04-08 JP JP2023562884A patent/JP2024514871A/ja active Pending
- 2022-04-08 EP EP22788350.1A patent/EP4326016A1/en active Pending
- 2022-04-08 WO PCT/KR2022/005092 patent/WO2022220494A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150282351A1 (en) * | 2012-10-23 | 2015-10-01 | Valeo Systemes De Controle Moteur | Housing including a sealed heading |
KR20160141480A (ko) * | 2015-06-01 | 2016-12-09 | (주)뉴옵틱스 | 무배젤 디스플레이 장치의 하우징 |
KR20200045663A (ko) * | 2018-10-23 | 2020-05-06 | 현대오트론 주식회사 | 전자 제어 장치 |
KR20200085602A (ko) * | 2019-01-07 | 2020-07-15 | 엘지이노텍 주식회사 | 카메라 모듈 |
KR20200144814A (ko) * | 2019-06-19 | 2020-12-30 | 한국단자공업 주식회사 | 차량용 충전장치 |
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US20240196548A1 (en) | 2024-06-13 |
JP2024514871A (ja) | 2024-04-03 |
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