JP3171223U - Battery with light emitting device - Google Patents

Abstract

A battery with a highly reliable light-emitting device suitable for mass production is provided. A battery with a light emitting device belongs to a dry battery. The battery with a light emitting device includes a drive circuit, a switch, and a light emitting diode, the drive circuit includes a three-end integrated circuit and an inductor, and at least one of the light-emitting diode, the three-end integrated circuit, the inductor, and the switch is a surface mount device. Yes, the first elastic metal piece laid on the inner hole edge of the printed wiring board, which is a rigid board, contacts the center electrode of the battery, and the second elastic metal piece is welded to the outer peripheral edge of the printed wiring board. The second elastic metal piece extends to the surface of the zinc cylinder of the battery and contacts the zinc cylinder, the input end of the three-end integrated circuit is connected to one end of the switch, and the other end of the switch is the first Connected to the elastic metal piece, the output end of the three-end integrated circuit is connected to the positive electrode of the light-emitting diode, the ground end of the three-end integrated circuit is connected to the negative electrode of the light-emitting diode and the second elastic metal piece, and the inductor is three-end integrated Circuit entry Parallel coupled to an end and an output end. [Selection] Figure 1

Description

  The present invention relates to a dry battery with a light emitting device.

  Patent Document 1 discloses a dry battery having a light-emitting device whose name is “illumination battery”, and “a thin-film LED (Light Emitting Diode) connected to the positive and negative electrodes of the battery via a lead wire on the outer surface of the battery”. Alternatively, a small LED connected to the positive and negative electrodes of the battery via a lead wire is provided at the end of the battery .... A driving circuit connected to the LED is further provided on the outer surface of the battery. It is provided. " According to the invention described in Patent Document 1, it is possible to add a function as a simple lighting fixture that emits light to the dry battery itself and a function that indicates the remaining amount of electricity.

Chinese Patent Application No. 10155624

  However, the invention described in Patent Document 1 does not solve a series of problems that must be encountered during mass production. The series of issues include, for example, that the supply of thin-film LEDs has not been commercialized yet, the reliability of the connection between the LED and the drive circuit and the positive / negative electrode of the battery is low, and the drive circuit is not sufficiently optimized The optimization of the “conductor” for current connection is insufficient, and the luminous efficiency of the battery is low. These issues need to be improved because they have a close relationship with improving product reliability and reducing costs.

  An object of the present invention is to provide a highly reliable battery with a light-emitting device suitable for mass production.

  A battery with a light-emitting device according to the present invention includes a drive circuit, a switch, and a light-emitting diode. The drive circuit includes a three-end integrated circuit and an inductor, and the light-emitting diode and the three At least one of the end integrated circuit, the inductor, and the switch is a surface-mount element, and each of the three-end integrated circuit, the inductor, the light emitting diode, and the switch is one sheet. The first elastic metal piece is laid on the edge of the inner hole of the printed wiring board, and the first elastic metal piece is attached to the battery. A second elastic metal piece is welded to the outer peripheral edge of the printed wiring board in contact with the center electrode, and the second elastic metal piece extends to the surface of the zinc cylinder of the battery and the zinc cylinder. Contact The input end of the three-end integrated circuit is connected to one end of the switch via a wiring on the printed wiring board, and the other end of the switch is connected to the first elastic metal piece via a wiring on the printed wiring board. The output terminal of the three-end integrated circuit is connected to the positive electrode of the light-emitting diode via a wiring on the printed wiring board, and the ground terminal of the three-terminal integrated circuit is connected to a wiring on the printed wiring board. Connected to the negative electrode of the light emitting diode and the second elastic metal piece, and both ends of the inductor are connected to an input end and an output end of the three-end integrated circuit via wiring on the printed wiring board, respectively. It is characterized by that.

  As one improvement of the present invention, the battery with a light emitting device further includes a removable case having a hanging ring and having a transparent window provided at least in a portion corresponding to the light emitting diode. .

  In one preferable structure of the battery with a light emitting device of the present invention, there is one light emitting diode, the switch is a push-type self-locking switch, and the switch and the light emitting diode are on both sides of the center electrode of the battery. Located in. Or the said light emitting diode is one, the said switch is a tumbler switch, and the said switch and the said light emitting diode are located in the both sides of the center electrode of the said battery.

  The battery with a light emitting device of the present invention has the following merits.

1. One or more of the light emitting diode, the switch, the driving circuit, and the driving circuit outer element are welded onto a printed wiring board, which is a rigid board, by a surface mounting element that does not have a conductive wire. The total thickness is about 1.5 mm. Therefore, the light emitting device is easily built in the end portion of the battery.

2. When the inner hole of the printed wiring board, which is an annular rigid substrate, fits the diameter of the center electrode (carbon rod) of the battery, the first elastic metal piece is closely attached on the carbon rod by the inner wall of the inner hole of the printed wiring board. . The second elastic metal piece welded to the edge of the printed wiring board extends to the surface of the zinc tube of the battery and is pressed by a plastic cover made of PVC (polyvinyl chloride) which is the outer shell of the battery. In contact with the zinc cylinder of the battery. Therefore, the first elastic metal piece and the second elastic metal piece are in reliable contact with the battery electrode, and the manufacturing process is simple.

  The battery with a light emitting device of the present invention is suitable for being manufactured using dry batteries of various dimensional standards.

It is an external view of the battery with a light emitting device according to Embodiment 1 of the present invention. FIG. 3 is a structural schematic diagram of the battery with a light emitting device according to Embodiment 1 (excluding the battery outer shell). 3 is a schematic diagram of a printed wiring board of a battery with a light emitting device according to Embodiment 1. FIG. FIG. 4 is a half sectional view of FIG. 3. It is a schematic diagram of the use condition of the battery with a light emitting device according to Embodiment 2 of the present invention. It is a schematic diagram of the other use condition of the battery with a light emitting device according to the second embodiment.

  In the present invention, one or more light emitting diodes, one drive circuit, and one switch are added on a general zinc-manganese battery (Zinc-Manganese battery), and it is a lighting battery (with a light emitting device). Battery). The external dimensions of this utility model are the same as those of a general dry battery of the corresponding standard. Like general products, it can be used not only by being placed in the battery compartment of electrical products but also as a portable light source device.

(Embodiment 1)
As shown in FIGS. 1 to 4, the battery with a light emitting device according to the first embodiment includes a drive circuit, a switch 1, and one light emitting diode 2. In order to reduce the volume and size of the increased portion, all the electronic devices of the first embodiment employ a surface mounted element that does not have a conducting wire. The drive circuit includes one three-end integrated circuit 3 and one inductor 4. The three-end integrated circuit 3, the inductor 4, the light emitting diode 2, and the switch 1 are all welded onto a printed wiring board 5 that is a single annular rigid board. One first elastic metal piece 6 is laid on the edge of the inner hole 13 of the printed wiring board 5. Two second elastic metal pieces 7 are welded to the outer peripheral edge of the printed wiring board 5, and the two second elastic metal pieces 7 respectively extend to the surface of the zinc cylinder 8 of the battery. .

  The printed wiring board 5 has a wiring 9 formed by etching with a copper foil. The input end of the three-end integrated circuit 3 is connected to one end of the switch 1 via the wiring 9 on the printed wiring board 5, and the other end of the switch 1 is connected to the first elastic metal via the wiring 9 on the printed wiring board 5. The output end of the three-end integrated circuit 3 is connected to the positive electrode of the light-emitting diode 2 via the wiring 9 on the printed wiring board 5, and the ground end of the three-end integrated circuit 3 is connected to the printed wiring board 5. The light emitting diode 2 is connected to the negative electrode and the second elastic metal piece 7 through the upper wiring 9. Both ends of the inductor 4 are connected to the input end and the output end of the three-end integrated circuit 3 via wiring on the printed wiring board 5, respectively.

  The diameter of the inner hole 13 of the printed wiring board 5 which is an annular rigid board fits the diameter of the center electrode 16 (carbon rod) of the battery, and the first elastic metal piece 6 is formed on the inner wall of the inner hole 13 of the printed wiring board 5. Laid along. When a carbon rod is inserted into the inner hole 13 of the printed wiring board 5 and the printed wiring board 5 is set, the first elastic metal piece 6 is brought into close contact with the carbon rod by the inner wall of the inner hole 13 of the printed wiring board 5. Also, the two second elastic metal pieces 7 welded to the outer peripheral edge of the printed wiring board 5 extend to the surface of the zinc cylinder 8 of the battery, and the plastic cover made of PVC which is the battery outer shell. It is pressed by 17 and contacts the zinc cylinder 8 of the battery. With such a configuration, the first elastic metal piece 6 and the second elastic metal piece 7 are in reliable contact with the carbon rod and the zinc cylinder 8 of the battery, respectively, and the manufacturing process is simple.

  The three-end integrated circuit 3 is a step-up type LED drive circuit, and the operation demand of the light-emitting diode 2 is satisfied by boosting the direct current voltage of 0.9 to 1.5 volts of the dry battery to 3 volts or more according to the inductor 4. . By selecting an inductor 4 having an appropriate inductance, the output voltage of the step-up LED driving circuit can be set in accordance with a voltage that satisfies the operation demand of the light emitting diode 4, and the required voltage of one or more light emitting diodes can be satisfied. Can do.

  The switch 1 is a push-type self-locking switch, and its button 15 projects upward from an opening on the battery cap 18. The battery cap 18 is further provided with a light transmission hole 14 at a position corresponding to the upper side of the light emitting diode 2. In the first embodiment, the push-type self-lock switch and the light emitting diode 2 are installed so as to be located on both sides of the center electrode 16 of the battery, respectively.

  The battery cap 18 is a plastic cover. The printed wiring board to which the light emitting module is attached is fitted into the cover of the battery cap 18. In addition, the light-emitting diode 2 and the self-locking switch are accurately associated with the corresponding opening positions of the battery cap 18. If it does so, it can assemble correctly and can improve the reliability of mass production.

(Embodiment 2)
As shown in FIGS. 5 and 6, as a difference between the second embodiment and the first embodiment, the battery with a light emitting device of the second embodiment further includes a removable plastic case 10 made of transparent plastic on the outside of the battery body 19. Have. On the case 10 having a cylindrical shape, there is a lid 12 for inserting the battery main body 19 into the case 10 or taking out the battery main body 19 from the case 10. The case 10 has a hanging ring 11 at the top, and the case 10 can be hung together with the battery body 19 by the hanging ring 11. In this way, the use of the battery with the light emitting device is made more convenient.

  In any embodiment, when not all of the removable case 10 is made of a light transmissive material, a transparent window is provided at least in a portion corresponding to the light emitting diode on the battery body 19 of the case 10. Moreover, as a control element of the battery with a light emitting device, the switch can be a tumbler switch or a click-type push button switch. Adoption of tumbler switch and push-type self-lock switch is suitable when the user continuously turns on the battery with light emitting device for a long time, and adoption of click type push button switch allows the user to use the battery with light emitting device intermittently. Suitable for the case.

  1: switch, 2: light emitting diode, 3: three-end integrated circuit, 4: inductor, 5: printed wiring board, 6: first elastic metal piece, 7: second elastic metal piece, 8: zinc cylinder of battery, 9 : Wiring, 10: carrying case, 11: hanging ring, 12: lid, 13: inner hole, 14: light transmitting hole, 15: button, 16: battery center electrode, 17: plastic cover, 18: battery cap, 19: Battery body

Claims (5)

A battery with a light emitting device including a drive circuit, a switch, and a light emitting diode,
The drive circuit includes a three-end integrated circuit and an inductor,
At least one of the light emitting diode, the three-end integrated circuit, the inductor, and the switch is a surface mount element,
The three-end integrated circuit, the inductor, the light emitting diode, and the switch are all welded onto a printed wiring board that is a single annular rigid board,
A first elastic metal piece is laid on the edge of the inner hole of the printed wiring board, the first elastic metal piece is in contact with the center electrode of the battery,
A second elastic metal piece is welded to the outer peripheral edge of the printed wiring board, and the second elastic metal piece extends to the surface of the zinc cylinder of the battery and contacts the zinc cylinder,
The input end of the three-end integrated circuit is connected to one end of the switch via a wiring on the printed wiring board, and the other end of the switch is connected to the first elastic metal piece via a wiring on the printed wiring board. The output end of the three-end integrated circuit is connected to the positive electrode of the light-emitting diode via a wiring on the printed wiring board, and the ground end of the three-end integrated circuit is connected via a wiring on the printed wiring board. Connected to the negative electrode of the light emitting diode and the second elastic metal piece;
Both ends of the inductor are respectively connected to an input end and an output end of the three-end integrated circuit through wiring on the printed wiring board.
A battery with a light-emitting device. A removable case having a hanging ring and having a transparent window at least at a site corresponding to the light emitting diode,
The battery with a light-emitting device according to claim 1, further comprising: The light emitting diode is one, the switch is a push-type self-locking switch, and the switch and the light emitting diode are located on both sides of the center electrode of the battery.
The battery with a light-emitting device according to claim 1 or 2. The light emitting diode is one, the switch is a tumbler switch, and the switch and the light emitting diode are located on both sides of the central electrode of the battery.
The battery with a light-emitting device according to claim 1 or 2. The three-end integrated circuit is a step-up LED driving circuit;
The battery with a light-emitting device according to claim 1 or 2.

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