JPH0679198U - Electronic equipment - Google Patents

Abstract

(57) [Summary] [Object] The present invention requires that a plurality of circuit boards be individually arranged even in the case where a plurality of types of electronic circuits and their mutual shields are required for different purposes in an electronic device equipped with a circuit board. Instead, it is intended to be stored as one circuit board. A ground pattern is provided corresponding to the outer peripheral edge of one circuit board 11 on which a plurality of types of electronic circuits are adjacently arranged and the boundary of each circuit, and the outer peripheral edge and each circuit are provided on the upper surface side of the circuit board 11. The upper frame member 12 and the upper shield member 14a made of aluminum squares are arranged corresponding to the boundaries, and on the lower surface side, the lower frame member 13 made of the aluminum squares corresponding to the outer peripheral edge and each circuit boundary. And the lower shield member 14b are arranged, and the upper frame member 12 and the upper shield member 14a and the lower frame member 13 and the lower shield member 14b are fixed by penetrating and fixing them with countersunk screws 15. The upper and lower parts are covered by the above.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an electronic device apparatus having a circuit board on which an electronic circuit is mounted.

[0002]

[Prior art]

 In a conventional electronic device, a circuit board mounted therein is fixed to columns, metal fittings, and the like that are erected on a bottom plate or an upper plate of a device housing. Further, when electromagnetically shielding a high-frequency circuit board or the like, a shield chamber in which a steel plate is attached by welding or the like is provided in a part of the housing. For this reason, a plurality of types of circuit boards are provided according to their uses, and they are housed in the device housing at different positions through different columns and metal fittings.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional electronic device, it is necessary to provide columns for mounting the circuit board, metal fittings, shield steel plates, etc. for each circuit board for each application, which not only increases the number of parts but also increases the number of assembling steps. There is also an increasing problem.

The present invention has been made in view of the above problems. Even when a plurality of types of electronic circuits and their mutual shields are required for different applications, it is not necessary to individually arrange a plurality of circuit boards, and a single circuit board is required. It is an object of the present invention to provide an electronic device that can be stored as a package.

[0005]

[Means for Solving the Problems]

 That is, the electronic equipment device according to the present invention has a circuit board on which an electronic circuit is mounted, and has a size corresponding to the outer peripheral edge of the device housing. A single circuit board on which the circuit board is disposed, a ground pattern provided corresponding to the outer peripheral edge of the circuit board and the boundary between the plurality of types of electronic circuits, and the circuit board on one side of the circuit board. A plurality of first frame members, which are connected and arranged in a frame shape corresponding to the outer peripheral edge of the circuit board and a boundary between a plurality of types of electronic circuits, and each of which is made of a conductive square bar; A plurality of second frame members, which are connected and arranged in a frame shape corresponding to the outer peripheral edge of the board and the boundaries between the plurality of types of electronic circuits, and each of which is made of conductive squares, and the circuit board are arranged from the one surface side to the first side. The second frame portion from the other surface side by one frame member And a first cover that covers one surface side of the circuit board held by the first frame member and the second frame member via the first frame member, and the first frame member. And a second cover that covers the other surface side of the circuit board held by the second frame member via the second frame member.

[0006]

[Action]

 That is, the first frame member and the second frame member are used together as a support member and a shield member for the circuit board.

[0007]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an assembled configuration of an electronic device device. In FIG. 1, 11 is a circuit board, 12 is an upper frame member, 13 is a lower frame member, 14a is an upper shield member, 14b is a lower shield member, 15 is a board holding plate screw, 16a is an upper cover, and 16b is a lower part. A cover, 17a is an upper cover fixing screw, 17b is a lower cover fixing screw, 18 is a front panel, and 19 is a panel fixing screw.

FIG. 2 is a perspective view showing the configuration of the upper frame member 12 and the lower frame member 13 in the electronic device. The upper frame member 14 is connected and arranged in a frame shape on the upper surface side of the circuit board 11 so as to correspond to the outer peripheral edge of the circuit board 11 and the boundary between a plurality of types of electronic circuits, and each of them is made of a conductive material such as aluminum. The upper frame member 14 has a through hole 21 corresponding to the countersunk screw 15 for holding the substrate, a tap hole 22 corresponding to the upper cover fixing screw 17a, and a tap hole for connecting members. 23 and a countersunk screw through hole 24 are provided.

Further, the lower frame member 13 is arranged in a frame shape on the lower surface side of the circuit board 11 so as to correspond to the outer peripheral edge of the circuit board 11 and the boundaries between the plurality of types of electronic circuits. The lower frame member 13 is formed of a conductive square bar such as aluminum. The lower frame member 13 has a through tap hole 25 corresponding to the through hole 21 of the upper frame member 14, a tap hole 26 for connecting members, and a flat head screw through hole. A hole 27 and a tap hole 28 corresponding to the lower cover fixing screw 17b are provided.

Here, the upper shield member 14 a and the lower shield member 14 b in FIG. 1 are configured in the same manner as the upper frame member 12 and the lower frame member 13. FIG. 3 is a perspective view showing the configuration of the circuit board 11 in the electronic device.

The circuit board 11 has a size corresponding to the outer peripheral edge of the device housing, and a plurality of types of electronic circuits a, b, c, d are arranged on one board for each purpose. A ground pattern 31 is provided on the outer peripheral edge of the circuit board 11 and on the boundaries between the plurality of types of electronic circuits a, b, c, d.

In this case, the connection between adjacent electronic circuits (for example, between a and b) is made via the circuit pattern 32 by dividing the ground pattern 31. Further, the through hole 21 and the lower frame of the upper frame member 12 are provided at the outer peripheral edge of the circuit board 11 where the ground pattern 31 is provided and the boundary between the electronic circuits a, b, c and d. Screw holes 33 are formed corresponding to the through tap holes 25 of the member 13, the through holes 21 of the upper shield member 14a and the through tap holes 25 of the lower shield member 14b.

Next, a procedure for assembling the electronic device apparatus having the above configuration will be described. That is, first, on the upper side surface of the circuit board 11, the upper frame member 12 and the upper shield 12 correspond to the outer peripheral edge of the board on which the ground pattern 31 is provided and the boundaries between the electronic circuits a, b, c and d. The member 14a is arranged.

Further, on the lower surface of the circuit board 11, corresponding to the outer peripheral edge of the board on which the upper frame member 12 and the upper shield member 14a are arranged and the boundaries between the electronic circuits a, b, c, d, The lower frame member 13 and the lower shield member 14b are arranged.

Then, the board-holding countersunk screw 15 is inserted into the screw holes 33 of the circuit board 11 from the through holes 21 of the upper frame member 12 and the upper shield member 14a, respectively, and the lower frame member 13 and the lower shield member 14b are inserted. It is screwed into each corresponding through tap hole 25.

As a result, the circuit board 11 is clamped and fixed by the upper frame member 12 and the upper shield member 14a and the lower frame member 13 and the lower shield member 14b at the outer peripheral edge portion and the electronic circuit boundary portion.

Here, on the upper surface side of the circuit board 11, the electronic circuits a, b, c, d are shield-divided from each other by the upper frame member 12 and the upper shield member 14a. On the lower surface side of 11, the lower frame member 13 and the lower shield member 14b are in a state in which the electronic circuits a, b, c, d are shield-divided from each other. The upper cover 16a of a corresponding size is fixed by screwing the upper cover fixing screw 17a into the tap hole 22 of the upper frame member 12, and the lower cover 16b of the same size is fixed to the lower cover fixing screw 17b. It is fixed by being screwed into the tap hole 28 of the lower frame member 13.

Then, the front panel 18 is fixed to the front surface of the apparatus housing by screwing screws 19 into the tap holes 23 and 26 of the upper frame member 12 and the lower frame member 13, respectively.

As a result, this electronic device device can be assembled as a housing as shown in FIG. Therefore, according to the electronic device having the above-described configuration, the ground pattern 31 is provided in correspondence with the outer peripheral edge of one circuit board 11 on which a plurality of types of electronic circuits a, b, c, d are arranged and the boundary of each circuit. The upper frame member 12 and the upper shield member 14a made of aluminum square are arranged on the upper surface side of the circuit board 11 corresponding to the outer peripheral edge and each circuit boundary, and on the lower surface side, the outer peripheral edge and A lower frame member 13 and a lower shield member 14b, which are made of the same aluminum material, are arranged corresponding to each circuit boundary, and are arranged between the upper frame member 12 and the upper shield member 14a and the lower frame member 13 and the lower shield member 14b. Is fixed by penetrating it with a countersunk screw 15, and the upper cover 16a and the lower cover 16b are fixed with corresponding screws 17a and 17b, respectively. Since the upper side surface and the lower side surface are covered, it is not necessary to use a plurality of circuit boards separated according to applications, and one circuit board 11 is provided, and each electronic circuit a, b, c, d is connected. The shield can be separated. Further, it is possible to reduce the number of parts and the man-hours for assembling work without requiring a dedicated indicating member, a dedicated shield member, or the like.

[0020]

[Effect of device]

 As described above, according to the present invention, a single circuit board having a size corresponding to the outer peripheral edge of the device housing and provided with a plurality of types of electronic circuits for different purposes, and an outer peripheral edge of the circuit board. And a ground pattern provided corresponding to a boundary between the plurality of types of electronic circuits, and a frame shape on the one surface side of the circuit board corresponding to an outer peripheral edge of the circuit board and a boundary between the plurality of types of electronic circuits. A plurality of first frame members, each of which is made of a conductive square bar, are connected to each other, and on the other surface side of the circuit board, corresponding to the outer peripheral edge of the circuit board and the boundary between the plurality of types of electronic circuits. A plurality of second frame members connected and arranged in a frame shape, each of which is made of conductive squares, and the circuit board is sandwiched between the first frame member from one surface side and the second frame member from the other surface side. Holding means for holding, the first frame member, and the second frame A first cover for covering one surface side of the circuit board held by the material through the first frame member, and the other surface side of the circuit board held by the first frame member and the second frame member, Since the second cover that covers the second frame member is provided, it is not necessary to individually arrange a plurality of circuit boards even when a plurality of types of electronic circuits and their mutual shields are required for each application. It becomes possible to store it as one circuit board.

[Brief description of drawings]

FIG. 1 is a perspective view showing an assembled configuration of an electronic device apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of an upper frame member and a lower frame member in the electronic device device.

FIG. 3 is a perspective view showing a configuration of a circuit board in the electronic device device.

FIG. 4 is a perspective view showing a completed assembly state of the electronic device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 11 ... Circuit board, 12 ... Upper frame member, 13 ... Lower frame member, 14a ... Upper shield member, 14b ... Lower shield member, 15 ... Board holding plate screw, 16a ... Upper cover, 1
6b ... lower cover, 17a ... upper cover fixing screw, 17b ...
Lower cover fixing screw, 18 ... Front panel, 19 ... Panel fixing screw, 21, 24, 27 ... Countersunk screw through hole, 22, 28
... tap hole, 25 ... through tap hole, 23, 26 ... inter-member connection tap hole, 31 ... ground pattern (ground), 32
... circuit pattern, 33 ... screw holes, a, b, c, d ... electronic circuit.

Claims (1)

[Scope of utility model registration request] 1. An electronic device including a circuit board on which an electronic circuit is mounted, the electronic device having a size corresponding to an outer peripheral edge of a device housing, and a plurality of types of electronic circuits arranged according to use. A plurality of circuit boards, an outer peripheral edge of the circuit board and a ground pattern provided corresponding to a boundary between the plurality of types of electronic circuits; and an outer peripheral edge of the circuit board and a plurality of types on one surface side of the circuit board. A plurality of first frame members connected and arranged in a frame shape corresponding to the boundaries between the electronic circuits, each of which is made of a conductive square bar; and on the other surface side of the circuit board, the outer peripheral edge of the circuit board and the plurality of first frame members. A plurality of second frame members, which are connected and arranged in a frame shape corresponding to the boundaries between the types of electronic circuits, and each of which is made of conductive squares, and the circuit board from the one surface side to the other surface by the first frame member. Hold by the second frame member from the side A plate clamping means, the one side of the circuit board which is clamped by the first frame member and said second frame member, the covering through the first frame member 1
A second cover which covers the cover and the other surface side of the circuit board held by the first frame member and the second frame member via the second frame member.
An electronic device device comprising a cover, wherein the first frame member and the second frame member are used together as a support member and a shield member for the circuit board.