JPH0517913Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field The present invention relates to a case-integrated structure of an electronic device.
In particular, the present invention relates to a case-integrated structure for an electronic device that includes a board on which an electronic circuit is formed using a plurality of electronic components and a battery that supplies power to the electronic circuit on the board.

For example, if a player section and a headphone section of a portable stereo cassette player were to be configured wirelessly, the headphone section would have a receiving circuit that receives the signal emitted from the player section, an amplifier circuit that amplifies the received signal, and a receiving circuit that receives the signal emitted from the player section.・A battery is required to supply power to the amplifier circuit. The present invention relates to a case-integrated structure for an electronic device that compactly houses the receiving/amplifying circuit and battery.

Conventional technology When a circuit board on which an electronic circuit is mounted and a battery are assembled, conventionally, for example, the battery is placed parallel to the edge of the circuit board, and the battery and the circuit board are connected via lead wires or the like. .

Problems that the invention aims to solve However, if the circuit board and battery are arranged parallel to the edges as in the past, the overall thickness of the device will be reduced, but the area will be large, making it difficult to downsize, and the lead wires will have to be placed parallel to each other. The connection to the battery had to be made through a cable, which resulted in problems such as reduced workability during assembly.

The present invention has been made in view of the above points, and it is an object of the present invention to provide a case-integrated structure for an electronic device that is compact, has good workability, and can accommodate batteries and circuit boards.

Means for Solving the Problems The present invention has terminals that have approximately the same shape and size as the projected figure on the top surface of the battery, and are provided at both ends in the longitudinal direction in a direction perpendicular to the substrate surface and are connected to the battery. A circuit board, a circuit board storage part and a battery storage part in which the circuit board and the battery are respectively stored in parallel and overlapping are provided through a partition, and the circuit board storage part and the battery storage part extend from the circuit board storage part to the battery storage part. a case having a hole through which the terminal passes;
The device includes a cover that is secured to the case in parallel with the circuit board and covers the circuit board.

Operation The projected figure on the side surface of the battery and the board surface of the circuit board have substantially the same shape and size, and the battery and circuit board are housed in the case so that they are parallel to and overlap each other. Terminals are provided at both longitudinal ends of the circuit board to contact the battery electrodes in a direction perpendicular to the board surface.
When storing a circuit board in a case, a cover that covers the circuit board is inserted into the battery compartment through a hole that passes through a partition that separates the circuit board compartment and battery compartment of the case. The circuit board is also secured to the case parallel to the circuit board, and the circuit board is assembled in layers with the case and the cover.

Embodiment FIG. 1 shows an exploded side view of an embodiment of the present invention. 1 is the case, 2 is the back cover, 3 is the front cover,
4 is a battery, and 5 is a receiving/amplifying circuit board.

This embodiment describes a portable stereo cassette player in which the player and the headphone are connected wirelessly, including a receiving circuit that receives a signal transmitted from the player side, an amplifying circuit that amplifies the signal received by the receiving circuit, and a receiving circuit and an amplifying circuit. This is applied to a case that houses a battery that supplies power to the circuit.

The battery 4 is a gum-shaped battery with a rectangular cross section and a flat shape suitable for miniaturization and thinning. In addition, the receiving/amplifying circuit board 5 has a receiving circuit and an amplifying circuit formed on a board using small electronic components and having approximately the same shape and size as the projected figure on the side surface of the battery 4. Terminals 6 and 7 connected to the electrodes of the battery 4 are directly soldered to both longitudinal ends of the receiving/amplifying circuit board 5 so as to be perpendicular to the board surface.

The battery 4 and the receiving/amplifying circuit board 5 are housed in the case 1 with the front cover 3 and the back cover 2 so that the battery 4 and the receiving/amplifying circuit board 5 overlap each other in parallel.

Figure 2 is a top view of the case which is the main part of this invention.
A side view and a bottom view are shown. case 1 for case 1
A partition 10 is provided that divides the battery compartment into a battery compartment 8 and a receiving/amplifying circuit board compartment 9. Partition 10
Holes 11 and 12 are provided through which terminals 6 and 7 for connecting the battery 4 and the receiving/amplifying circuit board 5 pass.

The terminals 6 and 7 are soldered to the receiver/amplifier circuit board 5 at the same time when the receiver/amplifier circuit board 5 is assembled so as to be implanted perpendicularly to the component mounting surface of the receiver/amplifier circuit board 5. Therefore, when housing the receiving/amplifying circuit board 5 in the case 1, the terminals 6 and 7 are passed through the holes 11 and 12 of the case 1. Therefore, when the battery 4 and the reception/amplification circuit board 5 are housed in the case 1, the battery 4 and the reception/amplification circuit board 5 are stacked on top of each other with the partition 10 interposed therebetween without any unnecessary space.

The front case 3 has a locking portion 13 as shown in FIG.
-18 are provided, and these locking parts 13-18
are engaged with the recesses 19 to 24 of the case 1 shown in FIG. 2C, and the front case 3 and the case 1 are fixed to each other. Further, on the receiving/amplifying circuit board 5, as shown in FIG. 5, a power switch 25, a tone quality changeover switch 26, and a volume 27 are provided. The power switch 25, the sound quality selector switch 26, and the volume 27 are installed on the second side of the case 1 when the receiving/amplifying circuit board 5 is housed in the case 1.
It is located at the holes 28 and 29 and the notch 30 shown in FIG. B, and is configured to be operable from the outside of the case 1.

The battery 4 is housed in the battery housing part 8 of the case 1 so that the negative electrode 31 and the positive electrode 32 of the terminal 6 are in contact with the terminal 7, as shown in FIG. As shown in FIG. 4, the back cover 2 that covers the battery storage portion 8 is provided with convex portions 33 to 38 on the inner side surface. These engage with the locking parts 39 to 44 of the case 1 shown in FIG. 2 to fix the case 1 and the back cover 2. At this time, the back cover 2 and the circuit board 5 are fixed so as to be parallel to each other.

Note that the convex portions 34 and 35 of the back cover 2 are attached to the case 1 shown in FIG. 2 so that the battery can be easily stored.
Sliding parts 45 and 46 provided on the side surfaces of the back cover 2 at an angle with respect to the attachment/detachment direction (direction of arrow A) are slid obliquely to guide the back cover 2 to the locking position.

FIG. 6 shows a sectional view of an embodiment of the present invention. As shown in FIG. 6, a battery 4 and a receiving/amplifying circuit board 5
are stacked with the partition 10 in between, and the batteries 4
The configuration is such that no unnecessary space is created between the receiver/amplifier circuit board 5 and the receiver/amplifier circuit board 5. Also, battery 4
and the receiving/amplifying circuit board 5. The terminals 6, 7 fixed to the ends of the receiving/amplifying circuit board 5 are passed through holes 11, 12 provided in the partition 10 and connected to the electrodes 31, 32 of the battery 4. Connection is made by making contact.

Note that the headphone cord 47 not only supplies signals to the headphone (not shown), but also operates as an antenna for receiving signals from a player (not shown). Further, the terminal 7 is shaped to surround the head-on cord 47, and has the role of shielding noise from entering from the head-on cord 47.

Effects of the Invention As described above, according to the present invention, the circuit board and the battery whose projected figures have substantially the same shape and size are housed parallel to each other and in an overlapping state.
The entire device can be configured very compactly, and by fixing the terminals that connect the battery and the circuit board to the circuit board, the terminals can also be fixed when the circuit board is assembled. It has the advantage of improving workability when assembling the circuit board into the case.

[Brief description of the drawings]

Figure 1 is an exploded side view of one embodiment of the present invention;
The figures are a top view, a side view, and a bottom view of essential parts of an embodiment of the present invention, and Figures 3, 4, and 5 are side views and plan views of other essential parts of an embodiment of the present invention, respectively. Figure, 6th
The figure is a sectional side view of a circuit board and a battery according to an embodiment of the present invention. 1... Case, 4... Battery, 5... Receiving/amplifying circuit board, 6, 7... Terminal, 8... Battery storage section,
9... Circuit board storage section, 10... Partition, 11, 1
2... Hole portion, 31... Positive electrode, 32... Negative electrode, 47... Headphone cord.

Claims (1)

[Claims for Utility Model Registration] A battery that has substantially the same shape and size as the projected figure on the top surface of a battery that supplies power, and that is implanted at both longitudinal ends in a direction perpendicular to the substrate surface. a circuit board having a terminal in contact with an electrode of the circuit board, the circuit board and the battery being parallel to each other, and
A case in which a circuit board storage part and a battery storage part are provided with a partition interposed therebetween, and the terminals extend from the circuit board storage part to the battery storage part and have holes through which the terminals pass; is locked in parallel with the circuit board,
A case-integrated structure for an electronic device, comprising: a cover that covers the circuit board, and the circuit board is integrated into the case so as to form a layered structure with the case and the cover.