JP5058369B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic device having an electromagnetic wave shield.

  An electronic device in which a casing and a substrate are electrically connected via a conductive member is disclosed. This electronic device includes a housing provided with a plurality of conductor patterns, a substrate provided with a wiring layer on the surface, and a conductive member connecting the conductor pattern and the wiring layer.

  The conductive member is a conductive elastic body made of conductive rubber or the like. A good electrical connection is ensured by pressing the circuit board against the casing with the conductive member interposed therebetween (see, for example, Patent Document 1).

JP 2008-159636 A

  However, since the conventional electronic device requires a conductive member, the number of parts is increased, resulting in an increase in manufacturing cost.

  The objective of this invention is providing the electronic device which can reduce manufacturing cost.

  In order to achieve the above object, an electronic apparatus according to an aspect of the present invention includes a housing having a shield layer on the inner surface and provided with an opening, and a housing component housed in the housing. A module provided outside the housing and having a first conductive portion electrically connected to the housing component; a second conductive portion different from the first conductive portion; and the shield from the opening. A contact portion that is electrically connected to the layer and is in contact with the second conductive portion so that the potential of the shield layer is equal to the potential of the second conductive portion; and the vicinity of the opening And a connection portion having an elastic support portion that extends from the support portion and supports the contact portion.

  In order to achieve the above object, an electronic apparatus according to another aspect of the present invention includes a housing having a shield layer on an inner surface, a housing component housed in the housing, and an interior of the housing. And a module having a conductive portion electrically connected to the housing component, and being electrically connected to the shield layer and being in contact with the conductive portion, the potential of the shield layer and the And a connecting portion having an abutting portion that equalizes the electric potential of the conducting portion and an elastic supporting portion that supports the abutting portion.

  In order to achieve the object, an electronic device according to another aspect of the present invention includes a housing having a shield layer on an inner surface, a housing component housed in the housing, and the housing component electrically. A module having a connected conduction part and a connection electrically connected to the shield layer and elastically contacting the conduction part to equalize the potential of the shield layer and the potential of the conduction part A portion.

  According to said structure, the electronic device which reduced manufacturing cost can be provided.

1 is a perspective view showing a portable computer according to a first embodiment. The bottom view which shows the portable computer shown in FIG. The bottom view which showed the state which removed the cover of the portable computer shown in FIG. FIG. 4 is a cross-sectional view of the portable computer shown in FIG. 3 taken along line F4-F4. Sectional drawing which expanded and showed the part shown by A of the portable computer shown in FIG. FIG. 4 is a bottom view showing a state where an HDD module of the portable computer shown in FIG. 3 is removed. The top view which removed and showed the keyboard module of the portable computer which concerns on 2nd Embodiment. The top view which showed the main body cabinet of the portable computer which concerns on 3rd Embodiment, an ODD module, and a connection piece. The front view which expanded and showed the connection piece of the portable computer shown in FIG. Sectional drawing which expanded and showed the connection piece of the portable computer shown in FIG. The top view which showed the connection piece concerning the modification of the portable computer of 1st to 3rd embodiment.

  Below, with reference to FIGS. 1-6, 1st Embodiment of an electronic device is described. In this specification, the front side (i.e., the user side) is the forward direction F, the back side as viewed from the user is the rear direction R, the left side when viewed from the user is the left direction, the right side when viewed from the user is the right direction, and when viewed from the user The upward direction is defined as the upward direction, and the downward direction as viewed from the user is defined as the downward direction.

  As shown in FIG. 1, a portable computer 11, which is an example of an electronic device, includes a main body unit 12, a display unit 13, and a hinge portion 14 provided between the main body unit 12 and the display unit 13. . The hinge portion 14 supports the display unit 13 in a rotatable manner.

  The display unit 13 includes a display 15 and a synthetic resin display cabinet 16 surrounding the display 15. As an example of the display 15, a liquid crystal display is mounted in the present embodiment.

  As shown in FIGS. 1 to 4, the main unit 12 includes, for example, a main body cabinet 21 formed in a box shape from a synthetic resin, a keyboard 22 and a touch pad 23 attached to the upper surface of the main body cabinet 21, and a main body cabinet. A recess 24 formed on the bottom surface of the main body 21, a printed circuit board 25 housed inside the main body cabinet 21, and an HDD (Hard Disk Drive) module 26, which is an example of a module fixed to the concave portion 24 of the main body cabinet 21. And a cover 27 for closing the recess 24 in which the HDD module 26 is accommodated, and a connection portion 28 formed in a part of the main body cabinet 21.

  As shown in FIG. 5, the main body cabinet 21 has a shield layer 31 that is a metal thin film formed on the inner surface by a technique such as sputtering. In the shield layer 31, electromagnetic waves generated from circuit components and the like inside the main body cabinet 21 pass through the main body cabinet 21 and leak to the outside, and conversely, external electromagnetic waves adversely affect circuit components inside the main body cabinet 21. Is prevented.

  Strictly speaking, the HDD module 26 is fixed to the outside of the main body cabinet 21 in the recess 24. The HDD module 26 is electrically connected to a printed circuit board 25 that is an example of a housing component inside the main body cabinet 21. The printed circuit board 25 has circuit components such as a CPU. The casing referred to in the present invention is a concept including the main body cabinet 21 and the display cabinet 16.

  As shown in FIGS. 3 to 6, the HDD module 26 can be mounted on the inside of the recess 24 and can be removed from the inside of the recess 24. The HDD module 26 includes a second conductive portion 32 formed by bending a metal sheet into a box shape, an HDD unit housed inside the second conductive portion 32, and a first attached to the outside of the second conductive portion 32. And a mounting bracket 33 which is a conductive portion. The second conduction part 32 forms an outer shell of the HDD module 26.

The connection portion 28 is provided integrally with the main body cabinet 21 and extends from the vicinity of the opening 29 of the main body cabinet 21 and protrudes in an arm shape. An opening 29 is provided around the connection portion 28. The connecting portion 28 protrudes into the opening 29. The connection part 28 is electrically connected to the shield layer 31 via the opening 29. The connecting portion 28 extends in a direction parallel to the surrounding main body cabinet 21. Connecting portion 28 has an electrical conductivity, and resiliently abuts against the mounting bracket 33 of the second conductive portion 32 and the mounting bracket 33 and the potentials of the shield layer 31 can be made equal.

The connection portion 28 includes a contact portion 34 that contacts the mounting bracket 33 of the HDD module 26 and a support portion 35 that supports the contact portion 34 in a cantilever manner. The contact portion 34 is provided at the distal end portion of the connection portion 28.

The contact portion 34 protrudes toward the mounting bracket 33 so as to be closer to the mounting bracket 33 than the support portion 35. As shown in FIG. 5, the support portion 35 supports the contact portion 34 so that the contact portion 34 can advance and retreat in a direction D that is substantially orthogonal to (intersects) the contact surface of the mounting bracket 33 . The connecting portion 28 includes a synthetic resin main body portion 36, an electrically conductive coating layer 37 surrounding the main body portion 36, a through hole 38 penetrating the main body portion 36 in the thickness direction, have. As shown in FIG. 6, the through hole 38 is formed as a long hole and is elongated in a direction along the direction in which the connection portion 28 extends.

  In the present embodiment, the coating layer 37 is made of an aluminum sheet. The covering layer 37 grounds the second conductive portion 32 of the HDD module 26 to the shield layer 31 of the main body cabinet 21.

  According to the first embodiment, the portable computer 11 has a shield layer 31 on the inner surface, a housing provided with an opening 29, a housing component housed inside the housing, and an exterior of the housing. And a module having a first conduction part 33 electrically connected to the housing component and a second conduction part 32 different from the first conduction part 33, and an electrical connection from the opening 29 to the shield layer 31. Are connected to each other and contacted with the second conducting part 32 to extend from the vicinity of the opening 29 and the contacting part 34 that equalizes the potential of the shield layer 31 and the potential of the second conducting part 32. And a connection portion 28 having an elastic support portion 35 that supports the contact portion 34.

  According to this configuration, since the second conductive portion 32 of the module can be grounded to the shield layer 31 of the housing by the connecting portion 28 provided in a part of the housing, a separate conductive member is not required and the number of parts is reduced. As a result, the manufacturing cost can be reduced.

Further, the support part 35 supports the contact part 34 in a cantilevered manner so as to be able to advance and retreat in a direction D substantially orthogonal (crossing) with the contact surface of the first conduction part 33 . According to this configuration, the configuration in which the contact portion 34 is elastically brought into contact with the first conduction portion 33 can be realized with a very simple structure.

  Further, the connection portion 28 includes a resin-made main body portion 36 and an electrically conductive coating layer 37 that covers the periphery of the main body portion 36. According to this configuration, the connection portion 28 can have electrical conductivity and elasticity. The support portion 35 has a through-hole 38 that penetrates in the thickness direction, and the through-hole 38 extends along the direction in which the connection portion 28 extends. According to this configuration, the support portion 35 can have further elasticity.

  In the first embodiment, the support part 35 is configured to support the abutment part 34 in a cantilevered manner, but the present invention is not limited to this, and both the support parts 35 as in the third embodiment. The holding portion 34 may be supported by holding.

  Next, a second embodiment of the electronic device will be described with reference to FIG. The portable computer 11 which is an example of the electronic device of the second embodiment is different from that of the first embodiment in that the type of module and the installation position are different, and the position of the connection unit 28 is different. This part is common to the first embodiment. For this reason, mainly different parts will be described, and common parts will be denoted by common reference numerals and description thereof will be omitted.

  In the second embodiment, the main unit 12 includes, for example, a main body cabinet 21 formed in a box shape with a synthetic resin, an attachment portion 41 provided on the upper surface of the main body cabinet 21, and an attachment portion 41 of the main body cabinet 21. A keyboard module 42 which is an example of a module fixed to the main body cabinet 21, a printed circuit board 25 accommodated in the main body cabinet 21, and a connection portion 28 provided integrally with the main body cabinet 21.

  The main body cabinet 21 has a shield layer 31 that is a metal thin film formed by a technique such as sputtering on the inner surface thereof. The mounting portion 41 is flatter than the periphery of the main body cabinet 21. The attachment portion 41 has an insertion hole 43 into which the claw portion 47 of the keyboard module 42 is inserted. The keyboard module 42 is fixed to the outside of the main body cabinet 21 at a position inside the mounting portion 41.

  The keyboard module 42 has a flat conductive portion 44 made of metal, and a plurality of keys 45 disposed on the conductive portion 44. In the keyboard module 42, an aluminum sheet is bonded to the lower surface of the conducting portion 44, which is a portion in contact with the connecting portion 28, in order to further improve electrical conductivity. The conducting portion 44 is a support substrate for the keyboard module 42. The keyboard module 42 is electrically connected to the printed circuit board 25 which is an example of a housing component inside the main body cabinet 21. The conduction portion 44 has a screw fixing portion 46 for fixing a screw and a claw portion 47 for fixing to the attachment portion 41. The screw fixing portion 46 is disposed at an end portion in the rear direction R of the conduction portion 44.

  The connection portion 28 has a configuration that is substantially the same as that of the first embodiment. That is, the connecting portion 28 protrudes in an arm shape from the mounting portion 41 of the main body cabinet 21 and extends in a direction parallel to the surrounding mounting portion 41. The connecting portion 28 protrudes into the opening 29. The connection portion 28 includes a contact portion 34 that contacts the conducting portion 44 of the keyboard module 42 and a support portion 35 that supports the contact portion 34 in a cantilever manner. The contact portion 34 protrudes toward the conducting portion 44 so as to be closer to the conducting portion 44 than the support portion 35. The support part 35 supports the contact part 34 so that the contact part can be advanced and retracted in a direction substantially orthogonal (crossing) with the contact surface of the conducting part 44. The connection portion 28 includes a main body portion 36 made of a synthetic resin and an electrically conductive coating layer 37 surrounding the main body portion 36.

  The connection portion 28 is disposed at a position corresponding to the screw fixing hole 48 provided in the attachment portion 41 of the main body cabinet 21. The connecting portion 28 is provided at a position near the front direction F of the attaching portion 41 in the vicinity of the insertion hole 43 of the attaching portion 41.

  In the present embodiment, the coating layer 37 is made of an aluminum sheet. The covering layer 37 grounds the conductive portion 44 of the keyboard module 42 to the shield layer 31 of the main body cabinet 21. Similarly, the conducting portion 44 of the keyboard module 42 is grounded to a screw fixing hole 48 that is electrically connected to the shield layer 31 via a screw fixed to the screw fixing portion 46.

  According to the second embodiment, the module is composed of a keyboard module 42. Therefore, the keyboard module 42 can be grounded to the shield layer 31 of the main body cabinet 21 to prevent unnecessary radiation of electromagnetic waves from being emitted from the keyboard module 42.

  In the second embodiment, the support part 35 supports the abutment part 34 in a cantilevered manner, but the present invention is not limited to this. The holding portion 34 may be supported by holding.

  Next, a third embodiment of the electronic device will be described with reference to FIGS. The portable computer 11, which is an example of the electronic device of the second embodiment, differs from that of the first embodiment in that the type of module and the installation location are different, and the form of the connection unit 28 is different. This part is common to the first embodiment. For this reason, mainly different parts will be described, and common parts will be denoted by common reference numerals and description thereof will be omitted.

  In the third embodiment, the main unit 12 includes, for example, a main body cabinet 21 that is formed in a box shape from a synthetic resin, and an ODD (Optical Disk Drive) module 51 that is an example of a module housed inside the main body cabinet 21. And a printed circuit board 25 accommodated in the main body cabinet 21 and a connection portion 28 provided in a part of the main body cabinet 21. The main body cabinet 21 includes an upper case to which a keyboard 22 and a touch pad 23 are fixed, and a lower case in which a recess 24 is provided. In FIG. 8, only the lower case of the main body cabinet 21 is shown.

  The main body cabinet 21 has a shield layer 31 that is a metal thin film formed by a technique such as sputtering on the inner surface thereof.

  The ODD module 51 has a conduction part 52 formed by bending a metal sheet metal into a box shape, and an ODD unit accommodated in the conduction part 52. The conduction part 52 forms an outer shell of the ODD module 51. The ODD module 51 is fixed inside the main body cabinet 21. The ODD module 51 is electrically connected to a printed circuit board 25 that is an example of a housing component inside the main body cabinet 21.

  As shown in FIG. 10, the connecting portion 28 is provided integrally with the main body cabinet 21, and protrudes in a trapezoidal shape from a rib wall 53 erected from the bottom wall of the main body cabinet 21. The connection portion 28 includes a contact portion 34 that contacts the conduction portion 52 of the ODD module 51 and a support portion 35 that supports the contact portion 34 by so-called both ends.

  The support portion 35 elastically supports the contact portion 34 so that the contact portion 34 can advance and retreat in a direction D that is substantially orthogonal to (intersects) the contact surface of the conducting portion 52. The connection portion 28 includes a main body portion 36 made of a synthetic resin and an electrically conductive coating layer 37 surrounding the main body portion 36. An oval slit 54 extending in the horizontal direction is provided at a position adjacent to the connection portion 28 in the vertical direction, and the elasticity of the contact portion 34 and the support portion 35 is enhanced.

  In the present embodiment, the covering layer 37 is formed of a metal thin film formed by a technique such as sputtering, for example, like the shield layer 31, and is continuous with the shield layer 31. The covering layer 37 grounds the conduction portion 52 of the ODD module 51 to the shield layer 31 of the main body cabinet 21.

  According to the third embodiment, the portable computer 11 includes a housing having a shield layer 31 on the inner surface, a housing component housed inside the housing, and a housing component and an electric device provided inside the housing. The module having the conductive portion 52 connected electrically and the shield layer 31 are electrically connected to each other and are brought into contact with the conductive portion 52 so that the potential of the shield layer 31 and the potential of the conductive portion 52 are And a connecting portion having an abutting portion for equalizing and an elastic supporting portion 35 for supporting the abutting portion.

  According to this configuration, even when the module is housed inside the housing, the connection portion 28 provided in a part of the housing ensures that the module conduction portion 52 is securely connected to the shield layer 31 of the housing. Can be grounded. For this reason, an electrically conductive member becomes unnecessary separately and manufacturing cost can be reduced.

  Further, the connecting portion 28 is a support that supports the contact portion 34 that is in contact with the conducting portion 52 and is supported by both ends so that the contact portion 34 can be advanced and retracted in a direction D that is substantially orthogonal to (intersect) the contact surface of the conducting portion 52 Part 35. According to this configuration, a structure capable of moving the abutting portion 34 back and forth can be realized while maintaining stronger durability.

  In the third embodiment, the support portion 35 is configured to support the abutment portion 34 with both ends. However, the support portion 35 is not limited to this, and as in the first embodiment, a single piece is supported. The holding portion 34 may be supported by holding. In the present embodiment, the coating layer 37 is formed of a metal thin film formed by a technique such as sputtering, but is not limited thereto, and may be formed of, for example, an aluminum sheet.

  Subsequently, with reference to FIG. 11, modifications of the first to third embodiments of the electronic device will be described. This modification is different from those of the first to third embodiments in that the form of the connecting portion 28 is different, but the other parts are the same as those of the first to third embodiments. For this reason, mainly different parts will be described, and common parts will be denoted by common reference numerals and description thereof will be omitted.

  In this modification, the connecting portion 28 becomes narrower as it goes to the tip. For this reason, according to this modification, it is possible to further improve flexibility in the support portion 35 as compared to the connection portion 28 of the first to third embodiments. As a result, even when an impact is applied to the main body cabinet 21 from the outside, such as when the portable computer 11 is dropped, the connection portion 28 is not damaged, and the module conduction portions 32, 44, 52 and the main body cabinet 21 are shielded. The reliability of the connection with the layer 31 can be improved.

The electronic apparatus is not limited to the portable computer 11 shown in the above embodiment, and can be implemented for other electronic apparatuses such as a mobile phone. In the first to third embodiments, an aluminum sheet is used as the covering layer 37. However, the present invention is not limited to this. The conductive portions 32, 44, and 52 of the module are connected to the shield layer 31 of the housing. Any structure can be used as long as it can be grounded, and the covering layer 37 may be formed of a metal thin film formed by a technique such as sputtering. In addition, the electronic device can be variously modified and implemented without departing from the gist of the invention.
Hereinafter, the invention described in the scope of claims of the present application will be appended.
[1]
A housing provided with a shield layer on the inner surface;
A module having a conduction part and attached to the housing;
An abutting portion whose surface is covered with an electrically conductive covering layer electrically connected to the shield layer and which is brought into contact with the conducting portion to equalize the potential of the conducting portion and the potential of the shield layer; A support portion that supports the contact portion, and a connection portion that is provided integrally with the housing,
An electronic apparatus comprising:
[2]
The electronic device according to [1], wherein the module is attached to an attachment portion provided outside the housing.
[3]
The module is provided with a claw portion,
The electronic device according to [2], wherein the attachment portion is provided with an insertion hole into which the claw portion is inserted.
[4]
The electronic device according to [3], wherein the module is a keyboard having a plurality of keys and an electrically conductive sheet provided at a position in contact with the connection portion.
[5]
The electronic device according to [4], wherein the connection portion protrudes in an arm shape from the attachment portion and extends in parallel with the surrounding attachment portion.
[6]
The electronic device according to [5], wherein the contact portion protrudes toward the conduction portion and is closer to the conduction portion than the support portion.
[7]
The electronic device according to [1], wherein the connection portion protrudes from a rib wall protruding from a bottom wall of the housing.
[8]
The electronic device according to [7], wherein the module is an ODD accommodated in the housing.
[9]
The electronic device according to [8], wherein the support portion supports the abutting portion with both ends.
[10]
A module having a conduction part;
A module including: a shield layer provided on an inner surface; and a contact portion whose surface is covered with an electrically conductive coating layer electrically connected to the shield layer and is in contact with the conduction portion; A housing with a
An electronic apparatus comprising:
Below, among the inventions in the scope of claims described in the amendment to the procedure submitted on January 16, 2012, the invention deleted by this amendment is added.
[11]
A housing provided with an opening and a shield layer provided on the inner surface;
A module having a conduction part and attached outside the housing;
Electricity that includes a portion that is electrically connected to the shield layer in the housing and another portion that is electrically connected to the conducting portion outside the housing, and passes through the opening to enter and exit the housing. A conductive sheet;
An electronic apparatus comprising:
[12]
A module having a conduction part;
A housing having the module attached to the outer surface side and having a shield layer provided on the inner surface, and a contact portion whose surface is covered with an electrically conductive coating layer and in contact with the conduction portion; Prepared,
The covering layer is configured in a sheet shape, and is located in the casing and electrically connected to the shield layer, and is disposed outside the casing and electrically connected to the conducting portion. And an electronic device.

DESCRIPTION OF SYMBOLS 11 ... Portable computer, 16 ... Display cabinet, 21 ... Main body cabinet, 26 ... HDD module, 28 ... Connection part, 31 ... Shield layer, 32 ... 2nd conduction part, 44, 52 ... Conduction part, 34 ... Contact part, 35 ... support part, 36 ... main body part, 37 ... coating layer, 38 ... through hole, 42 ... keyboard module, 51 ... ODD module

Claims (7)

A housing provided with a shield layer on the inner surface;
A module having a conduction part and attached from the outer surface side of the housing;
The surface is covered with an electrically conductive sheet electrically connected to the shield layer, and the potential of the conductive portion is made equal to the potential of the shield layer by contacting the conductive portion via the sheet. A contact portion and a support portion that supports the contact portion, and a connection portion that is provided integrally with the housing;
An electronic apparatus comprising: The module is attached to a mounting portion provided outside the housing,
The module is provided with a claw portion,
The electronic device according to claim 1 , wherein the attachment portion is provided with an insertion hole into which the claw portion is inserted. A contact portion that contacts the conductive portion; and a support portion that supports the contact portion; and a connection portion that is provided integrally with the housing.
The electronic device according to claim 1 , wherein the module is a keyboard having a plurality of keys and an electrically conductive sheet provided at a location in contact with the connection portion. The module is attached to a mounting portion provided outside the housing,
The electronic device according to claim 1 , wherein the connection portion protrudes in an arm shape from the attachment portion and extends in parallel with the surrounding attachment portion. A contact portion that contacts the conductive portion; and a support portion that supports the contact portion; and a connection portion that is provided integrally with the housing.
The electronic device according to claim 1 , wherein the contact portion protrudes toward the conduction portion and is closer to the conduction portion than the support portion. A contact portion that contacts the conductive portion; and a support portion that supports the contact portion; and a connection portion that is provided integrally with the housing.
The electronic device according to claim 1 , wherein the connection portion protrudes from a rib wall protruding from a bottom wall of the housing. A contact portion that contacts the conductive portion; and a support portion that supports the contact portion; and a connection portion that is provided integrally with the housing.
The electronic device according to claim 1 , wherein the support portion supports the contact portion with both ends.

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