JP2008004801A - Mounting structure of circuit board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a circuit board by which it can be visually discriminated whether it is right to mount the circuit board on which packaging parts are packaged to a supporting member. <P>SOLUTION: On a supporting member 8 supporting any one of multiple kinds of circuit boards 6, there are provided mounting nails 83 on which the circuit boards 6 are mounted and a plurality of display units 81, 82 on which kinds of circuit boards 6 are displayed. On the circuit boards 6 there are provided mounted portions 65 which are mounted to the mounting nails 83, a non-concealing portion 63 in which the display unit 81 corresponding to the circuit board 6 becomes non-concealing, and a concealing portion 64 in which the display unit 82 not corresponding to the circuit board 6 is concealed. It is made possible to visually discriminate whether it is right to mount the circuit board 6 on which a switch is packaged to the supporting member 8. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an attachment structure for attaching a circuit board used for a liquid crystal display device, a plasma display device or the like to a support member.

  The liquid crystal television has an image display surface on the front side, an image display unit having electrical components such as a backlight and a power supply substrate on the rear side, a front cabinet surrounding the front peripheral edge of the image display unit, and an image display unit The back cabinet which covers the back side is provided (for example, refer patent document 1). The image display unit of the liquid crystal television configured as described above includes an image display unit that displays an image on an image display surface, a control unit that controls the image display unit, and the control unit that is manually operated outside the back cabinet. An operation unit such as a push button for controlling operation and a circuit board on which a plurality of switches corresponding to the operation unit are mounted are provided.

By the way, in a liquid crystal television, a switch mounted on a circuit board using a circuit board body of a circuit board and a supporting member for supporting the circuit board body as a common component among a plurality of models having different image display surfaces. The cost is reduced by changing the mounting parts such as the one according to the type of the liquid crystal television.
JP 2005-134591 A

  However, when the circuit board main body and the support member are made common as described above, the positions of the circuit board attachment portion provided on the support member and the attachment portion provided on the circuit substrate are the same. Therefore, when the circuit board on which the mounting components are mounted is attached to the support member, even if a circuit board that does not correspond to the model of the liquid crystal television is attached by mistake, this error cannot be noticed, and the error There was a need for improvement.

  In addition, even if the entire support member is not shared, the position of the mounting portion for the circuit board provided on the support member is the same, and when the circuit board main body is shared, as described above, If a circuit board that does not correspond to the type of LCD TV is mistakenly attached, this error will not be noticed and the error will be missed.

  The present invention has been made in view of such circumstances, and a main object thereof is a support member that supports any one of a plurality of types of circuit boards, an attachment portion on which the circuit boards are attached, and a plurality of types of circuit boards. A plurality of display portions on which the types of circuit boards are displayed, and an attachment portion attached to the attachment portion and the display portion corresponding to the circuit board are not concealed on the circuit board; A circuit board that can visually determine whether the circuit board is correctly attached to the support member by providing a non-hidden part and a concealing part that conceals the display unit that does not correspond to the circuit board. It is to provide an attachment structure.

  In addition, another purpose is that the display unit is juxtaposed along one edge of the support member that forms a substantially rectangular parallelepiped, and the non-hidden part and the concealed part are juxtaposed on one side of the circuit board, so that the circuit board is correctly attached. An object of the present invention is to provide a circuit board mounting structure capable of quickly determining whether or not a circuit board is used.

  Another purpose is to support a mounting member to which a circuit board is attached to a support member that supports any one of a plurality of types of circuit boards, and one circuit board to be attached to the mounting part. A first display unit that is displayed and a second display unit that is displayed not to correspond to the one circuit board, and the first display unit is not concealed on the circuit board. Whether the circuit board is correctly attached when the circuit board is attached to a non-common support member by providing a non-hidden part and a concealing part in which the second display part is concealed An object of the present invention is to provide a circuit board mounting structure capable of visually determining whether or not.

  Another object is to support a supporting member for supporting any one of a plurality of types of circuit boards, a box part having an open side facing the mounting surface of the circuit board, and extending from the box part to the circuit board side. A plurality of attachment claws locked to the peripheral edge of the circuit board, and a plurality of types of circuit boards that are extended from the open side of the box portion in the direction along the mounting surface. The display convex portion of the circuit board, the display convex portion corresponding to the circuit board is non-hiding, and the circuit board is extended from a peripheral portion in a direction along the mounting surface. The circuit board is attached so that it is possible to visually determine whether or not the circuit board is correctly attached to the support member. To provide a structure.

  The circuit board mounting structure according to the present invention is the mounting structure in which the circuit board is mounted on a support member that supports any one of a plurality of types of circuit boards. An attachment portion to be attached and a plurality of display portions on which a plurality of types of circuit boards are displayed, and the circuit board has an attachment portion attached to the attachment portion; The display unit corresponding to the circuit board includes a non-hidden part that is not concealed, and a concealing part that conceals the display part that does not correspond to the circuit board.

  In this invention, when the circuit board corresponding to one display part displayed on the support member is attached, the concealing part of the circuit board conceals the display part not corresponding to the circuit board, Since the display portion corresponding to the non-hidden display portion is not concealed, it is possible to determine that the circuit board is correctly attached by viewing the non-hidden display portion. Further, when a circuit board that does not correspond to one display part displayed on the support member is attached, the concealing part of the circuit board conceals the display part corresponding to the circuit board, and the display part not corresponding to the circuit board Therefore, it is possible to determine that the circuit board is erroneously attached by visually observing the non-hidden display portion.

  Further, in the circuit board mounting structure according to the present invention, the support member has a substantially rectangular parallelepiped shape, the display unit is juxtaposed along one edge of the support member, and the non-hiding cover is provided on one side of the circuit board. The part and the concealing part are juxtaposed.

  According to the present invention, since a plurality of display units juxtaposed along one ridge can be visually observed at a glance, it is possible to quickly determine whether or not the circuit board is correctly attached.

  The circuit board mounting structure according to the present invention is a mounting structure in which the circuit board is mounted on a support member that supports any one of a plurality of types of circuit boards, wherein the support member is the circuit board. Is attached, a first display indicating that it corresponds to one circuit board attached to the attachment, and an indication that it does not correspond to the one circuit board The circuit board has a non-hidden part in which the first display part is non-hidden, and a concealing part in which the second display part is concealed. It is characterized by.

  In this invention, when the circuit board corresponding to the first display part displayed on the supporting member is attached, the concealing part of the circuit board conceals the second display part not corresponding to the circuit board. In addition, since the first display unit corresponding to the circuit board is not concealed, it is possible to determine that the circuit board is correctly attached by visually observing the non-concealed first display unit. When a circuit board that does not correspond to the first display portion displayed on the support member is attached, the concealing portion of the circuit board conceals the first display portion corresponding to the circuit board, Since the second display portion that does not correspond is not concealed, it is possible to determine that the circuit board is erroneously attached by visually observing the non-hidden second display portion.

  The circuit board mounting structure according to the present invention is a mounting structure in which the circuit board is mounted on a support member that supports any one of a plurality of types of circuit boards, wherein the support member is the circuit board. And a plurality of attachments that are extended from the box portion to the circuit board side and locked to the peripheral edge portion of the circuit board. A claw, and a plurality of display protrusions extending in a direction along the mounting surface from the open side of the box portion and displaying a plurality of types of circuit boards, and the circuit board includes the circuit A non-hidden portion in which the display convex portion corresponding to the substrate is non-hidden, and a concealed convex portion that extends from a peripheral portion in a direction along the mounting surface and in which the display convex portion that does not correspond to the circuit board is concealed. It is characterized by having.

  In this invention, when the circuit board corresponding to one display convex part displayed on the support member is attached, the concealing convex part of the circuit board conceals the display convex part not corresponding to the circuit board. Since the display convex portion corresponding to the circuit board is not concealed, it can be determined that the circuit board is correctly attached by visually observing the non-hidden display convex portion. Also, when a circuit board that does not correspond to one display convex part displayed on the support member is attached, the concealing convex part of the circuit board conceals the display convex part corresponding to the circuit board and corresponds to the circuit board. Since the display convex portion that is not hidden becomes non-hidden, it is possible to determine that the circuit board is incorrectly attached by visually observing the non-hidden display convex portion.

  As described above in detail, according to the present invention, when the circuit board is attached, the non-hidden part provided on the circuit board does not close one display part, and the concealing part has another display part. Since it is concealed, it can be determined that the circuit board is correctly attached by visually observing the non-concealed display portion.

  In addition, according to the present invention, since a plurality of display units juxtaposed along one ridge can be viewed at a glance, it is possible to quickly determine whether or not the circuit board is correctly attached. .

  According to the present invention, when the circuit board corresponding to the first display part displayed on the support member is attached, the concealing part of the circuit board has the second display part not corresponding to the circuit board. Since the first display portion corresponding to the circuit board is hidden and hidden, it is possible to determine that the circuit board is correctly attached by visually observing the non-hidden first display portion. When a circuit board that does not correspond to the first display portion displayed on the support member is attached, the concealing portion of the circuit board conceals the first display portion corresponding to the circuit board, Since the second display portion that does not correspond is not concealed, it is possible to determine that the circuit board is erroneously attached by visually observing the non-hidden second display portion.

  Further, according to the present invention, when the circuit board is attached and mounted, the non-hiding portion provided on the circuit board does not hide one display convex portion, and the concealing portion hides the other display convex portion. Therefore, it is possible to determine whether the circuit board is correctly attached by visually observing the non-hidden display convex portion.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof. 1 is a rear perspective view showing the configuration of a display device having a circuit board mounting structure according to the present invention, FIG. 2 is an exploded rear perspective view of the display device having a circuit board mounting structure, and FIG. 3 is a rear view showing the configuration of the circuit board of the circuit board mounting structure, FIG. 4 is a rear perspective view showing the configuration of the supporting member of the circuit board mounting structure, and FIG. 5 is a support of the circuit board mounting structure. FIG. 6 and FIG. 7 are rear views showing a state in which the circuit board is attached to the support member.

  The display device shown in FIG. 1 and FIG. 2 displays a television image, an image display unit 1 having a substantially square shape in front view, a front cabinet 2 surrounding the front peripheral edge of the image display unit 1, and an image display unit 1 The liquid crystal television includes a back cabinet 3 that covers the rear side of the vehicle and a stand 4 that supports the image display unit 1 in an upright state. The liquid crystal television is, for example, between 26-37 cm and between 46-52 cm. Parts are shared.

  The image display unit 1 includes a liquid crystal panel having an image display surface on the front side, an optical sheet disposed on the rear side of the panel, a diffusion plate, a backlight unit, and image display means for displaying an image on the image display surface. And. The upper part of the image display unit 1 supports the circuit board 6 on which a plurality of switches (mounting parts) for giving operation instruction signals to the image display means are mounted, and the circuit board 6, and corresponds to the switches. A support member 8 having an operation unit 7 is attached. Two screw holes are provided in the upper part of the image display unit 1 so as to be separated from each other in the horizontal direction.

  The image display means has a control unit using a microprocessor, and an input unit of the control unit includes a main power switch 5a connected to an external power source, and an input changeover switch 5b for switching display menu input. The mounted components such as the television broadcast selection switch 5c and the volume control switch 5d are connected.

  The circuit board main body and the support member 8 of the circuit board 6 are shared by different types of liquid crystal televisions, and the switches (mounting parts) corresponding to the different types of liquid crystal televisions are mounted on the circuit board main body. Therefore, the type of the circuit board 6 in which the switch is actually formed on the circuit board main body is different.

  The circuit board body of the circuit board 6 has a substantially rectangular shape and is provided with insertion holes 61 and 61 and positioning holes 62 and 62 on both sides in the longitudinal direction. The main power switch 5a and the input changeover switch are provided on one mounting surface. 5b, the television broadcast selection switch 5c and the volume adjustment switch 5d are mounted in this order, and when the circuit board 6 is attached to the support member 8 at one end in the longitudinal direction and one side in the width direction, One of two display parts 81 and 82 to be described later of the support member 8 is non-hidden part 63 which is non-hidden, and extends from the peripheral part in a direction along the mounting surface, and the other of the display parts 81 and 82 is concealed. And a concealing part 64 (concealing convex part). Further, three attached portions 65 with which attachment claws 83 to be described later are engaged are provided on both side portions in the width direction.

  The concealing portion 64 includes a convex portion extending from one side in the width direction of the circuit board 6 in a direction along the mounting surface, and the non-concealing portion 63 has no convex portion. One of the different types of circuit boards 6 has a concealing portion 64 provided in the middle in the longitudinal direction as shown in FIG. 6, and the other 6b has a concealing portion 64 at the end in the longitudinal direction as shown in FIG. Is provided.

  The support member 8 has a box portion 8a whose side facing the mounting surface of the circuit board 6 is open, and a first push button for operating the operation portion 7, more specifically the main power switch 5a, at the bottom of the box portion 8a. 7a, a second push button 7b for operating the input selector switch 5b, a third push button 7c for operating the television broadcast selection switch 5c, and a fourth push button 7d for operating the volume control switch 5d, respectively.

  On one edge of the open side of the box portion 8a, two display portions 81 and 82 (display convex portions) on which different types of circuit boards 6a and 6b are displayed are provided along one edge. The display portions 81 and 82 are convex portions that extend from the one ridge in a direction along the mounting surface, and are arranged in parallel in the longitudinal direction of the one ridge. Further, on the opposite side portion of the box portion 8a, there are three attachment claws 83 (attachment) that are flexible and extend toward the circuit board 6 and are locked to the three attachment portions 65. Part). Further, two insertion holes 84 and 84 corresponding to the insertion holes 61 and 61 and two positioning protrusions 85 and 85 corresponding to the positioning holes 62 and 62 are provided on both sides in the longitudinal direction of the bottom portion.

  The first push button 7a is fitted and held in a through hole 86 formed in the bottom of the box portion 8a so as to be movable, and the second to fourth push buttons 7b to 7d are formed in a flexible manner integrally with the bottom. A first push button 7a at a position corresponding to the main power switch 5a, a second push button 7b at a position corresponding to the input selector switch 5b, a third push button 7c at a position corresponding to the television broadcast selection switch 5c, and a volume. The fourth push button 7d is arranged at a position corresponding to the adjustment switch 5d, and the main power switch 5a, the input change-over switch 5b, the television broadcast selection switch 5c, by pressing the first to fourth push buttons 7a to 7d, The sound volume adjustment switch 5d can be operated. Since the main power switch 5a differs in size between liquid crystal televisions of different models, the first push button 7a corresponding to the main power switch 5a corresponds to the model of the liquid crystal television, in other words, the circuit board 6 Replacement is possible depending on the type.

  Four open holes 3a corresponding to the first to fourth push buttons 7a to 7d of the operation unit 7 are provided in the upper part of the back cabinet 3, and a part of the first to fourth push buttons 7a to 7d is opened. It protrudes to the outside from the hole 3a, and is configured so that the first to fourth push buttons 7a to 7d can be pushed outside the back cabinet 3.

  The circuit board main body and the support member 8 of the circuit board 6 of the liquid crystal television configured as described above are shared among liquid crystal televisions of different models, and are mounted components (main power switch 5a) corresponding to the liquid crystal televisions of different models. Since the input change-over switch 5b, the television broadcast selection switch 5c, and the volume control switch 5d) are mounted on the circuit board body of the circuit board 6, the types of the circuit boards 6 on which the mounting components are mounted are different. Accordingly, different types of circuit boards 6 are attached to the common support member 8 (note that the first push button 7a corresponding to the main power switch 5a differs depending on the type of the circuit board 6).

  When one of the circuit boards 6 of different types is attached to the support member 8, the positioning projections 85, 85 are inserted into the positioning holes 62, 62 as shown in FIG. Is locked to the attachment portion 65. At this time, the display part 82 (46-52) not corresponding to one circuit board 6a is concealed by the concealment part 64, and the display part 81 (26-37) corresponding to one circuit board 6a is concealed by the non-concealment part 63. Not. Therefore, it can be determined that the circuit board 6 is correctly attached by viewing the display unit 81 (26-37).

  In addition, when the other 6b of the circuit board 6 of a different type is mistakenly attached to the support member 8, the concealing portion 64 provided on the other circuit board 6b as shown in FIG. The display unit 81 (26-37) corresponding to the display circuit 82 is concealed, and the display unit 82 (46-52) not corresponding to the one circuit board 6a is not concealed by the non-concealment unit 63. By visual inspection, it can be determined that the circuit board 6 is incorrectly attached.

  When the other circuit board 6b is attached to the support member 8, the positioning projections 85 and 85 are inserted into the positioning holes 62 and 62, as shown in FIG. Locked to the attachment portion 65. At this time, the display part 81 (26-37) not corresponding to the other circuit board 6b is concealed by the concealment part 64, and the display part 82 (46-52) corresponding to the other circuit board 6b is concealed by the non-concealment part 63. Not. Therefore, it can be determined that the circuit board 6 is correctly attached by viewing the display unit 82 (46-52).

  The support member 8 to which the circuit board 6 is attached as described above displays an image by tightening the bolt inserted through the insertion holes 84 and 61 into the screw hole formed in the upper portion of the image display unit 1. It is fixed to part 1.

  8 to 11 show another embodiment, and are rear views of a state in which a circuit board is attached to a support member. The liquid crystal television of this embodiment is obtained by changing the display of the display portions 81 and 82 of the support member 8 in the liquid crystal television shown in FIGS.

  The first display portion 81a (display convex portion) that is displayed on one edge of the open side of the box portion 8a of the support member 8 as corresponding to one circuit board 6a and not corresponding to one circuit board 6a The second display portion 82a (display convex portion) on which is displayed is juxtaposed. The circuit board 6 is provided with a non-hiding portion 63 corresponding to the first display portion 81a and a hiding portion 64 (hiding convex portion) corresponding to the second display portion 82a.

  In this embodiment, when one circuit board 6a is attached to the support member 8, the positioning protrusions 85 and 85 are inserted into the positioning holes 62 and 62 as shown in FIG. Two attachment claws 83 are locked to the attachment portion 65. At this time, the second display portion 82a (45-NG) not corresponding to one circuit board 6a is concealed by the concealment portion 64, and the first display portion 81a (45-OK) corresponding to one circuit board 6a is concealed. It is not hidden by the non-hiding part 63. Therefore, it is possible to determine that the circuit board 6 is correctly attached by viewing the first display portion 81a (45-OK).

  Further, when the other circuit board 6b is mistakenly attached to the support member 8, as shown in FIG. 9, the concealing portion 64 provided on the other circuit board 6b corresponds to the first circuit board 6a. Since the second display portion 82a (45-NG) that conceals one display portion 81a (45-OK) and does not correspond to one circuit board 6a is not concealed by the non-hidden portion 63, the second display portion 82a ( 45-NG), it can be determined that the circuit board 6 is incorrectly attached.

  When the other circuit board 6b is attached to the support member 8, the positioning projections 85 and 85 are inserted into the positioning holes 62 and 62, as shown in FIG. Locked to the attachment portion 65. At this time, the second display part 82a (37-NG) not corresponding to the other circuit board 6b is concealed by the concealment part 64, and the first display part 81a (37-OK) corresponding to the other circuit board 6b is concealed. It is not hidden by the non-hiding part 63. Accordingly, it is possible to determine that the circuit board 6 is correctly attached by viewing the first display portion 81a (37-OK).

Further, when one circuit board 6a is mistakenly attached to the support member 8, the concealing portion 64 provided on one circuit board 6a as shown in FIG. 11 corresponds to the second circuit board 6b. Since the second display unit 82a (37-NG) that conceals one display unit 81a (37-OK) and does not correspond to the other circuit board 6b is not concealed by the non-concealment unit 63, the second display unit 82a ( 37-NG), it can be determined that the circuit board 6 is incorrectly attached.
Since other configurations and operations are the same as those of the embodiment shown in FIGS. 1 to 7, the same components are denoted by the same reference numerals, and detailed descriptions and descriptions of the operations and effects are omitted.

  In addition, the mounting structure of the circuit board 6 according to the present invention may be provided in a display device such as a plasma display device or an EL display in addition to the liquid crystal television.

  In addition to the main power switch 5a, the input selector switch 5b, the television broadcast selection switch 5c, and the volume control switch 5d, the mounting components mounted on the circuit board 6 may be appropriate electrical components and electronic components. .

  The support member 8 that supports the circuit board 6 is a member separate from the image display unit 1 and the back cabinet 3, and the image display unit 1 or the back cabinet 3 may be the support member 8.

It is a perspective view of the back side which shows the structure of a display apparatus provided with the attachment structure of the circuit board based on this invention. It is the perspective view of the back side which decomposed | disassembled the display apparatus provided with the attachment structure of the circuit board based on this invention. It is a rear view which shows the structure of the circuit board of the attachment structure of the circuit board which concerns on this invention. It is a back side perspective view showing composition of a support member of a circuit board attachment structure concerning the present invention. It is a front side perspective view which shows the structure of the supporting member of the attachment structure of the circuit board which concerns on this invention. It is a rear view which shows the state which attached the circuit board to the supporting member. It is a rear view which shows the state which attached the circuit board to the supporting member. The other embodiment of the attachment structure of the circuit board which concerns on this invention is shown, and it is a rear view of the state which attached the circuit board to the supporting member. The other embodiment of the attachment structure of the circuit board which concerns on this invention is shown, and it is a rear view of the state which attached the circuit board to the supporting member. The other embodiment of the attachment structure of the circuit board which concerns on this invention is shown, and it is a rear view of the state which attached the circuit board to the supporting member. The other embodiment of the attachment structure of the circuit board which concerns on this invention is shown, and it is a rear view of the state which attached the circuit board to the supporting member.

Explanation of symbols

5a Main power switch (mounting parts)
5b Input selector switch (mounted component)
5c Television broadcast selection switch (mounted parts)
5d Volume control switch (mounted component)
6 Circuit board 63 Non-hiding part 64 Hiding part (hiding convex part)
65 Attachment part 8 Support member 8a Box part 81, 82 Display part (display convex part)
81a 1st display part (display convex part)
82a 2nd display part (display convex part)
83 Attachment nails (attachment part)

Claims (4)

  In the attachment structure in which the circuit board is attached to a support member that supports any one of a plurality of types of circuit boards, the support member includes an attachment portion to which the circuit board is attached, and a plurality of types of circuits. A plurality of display units on which board types are displayed, and the circuit board is attached to the attachment unit, and the display unit corresponding to the circuit board is not concealed. A circuit board mounting structure comprising: a non-hidden part and a concealing part for concealing the display part not corresponding to the circuit board.   The said support member comprises a substantially rectangular parallelepiped, The said display part is juxtaposed along one edge of this support member, The said non-hiding part and the hiding part are juxtaposed on the one side of the said circuit board. Circuit board mounting structure.   In the attachment structure in which the circuit board is attached to a support member that supports any one of a plurality of types of circuit boards, the support member includes an attachment part to which the circuit board is attached, and the attachment part. A first display unit that is displayed corresponding to one circuit board attached to the second display unit, and a second display unit that is displayed not corresponding to the one circuit board, The circuit board has a non-hidden part in which the first display part is unhidden and a concealed part in which the second display part is hidden.   In the mounting structure in which the circuit board is attached to a support member that supports any one of a plurality of types of circuit boards, the support member has a side facing the mounting surface on which the mounting component of the circuit board is mounted. An open box part, a plurality of attachment claws extending from the box part to the circuit board side and locked to a peripheral part of the circuit board, and from the open side of the box part to the mounting surface A plurality of display protrusions extending in a direction along which a plurality of types of circuit boards are displayed, wherein the display protrusions corresponding to the circuit boards are not concealed. An attachment structure for a circuit board, comprising: a concealing part; and a concealing convex part extending from a peripheral part in a direction along the mounting surface and concealing the display convex part not corresponding to the circuit board.

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