CN201787349U

CN201787349U - Light-emitting battery

Info

Publication number: CN201787349U
Application number: CN2010202988323U
Authority: CN
Inventors: 刘煦; 陈树斌
Original assignee: GUANGZHOU TIGER HEAD BATTERY GROUP CO Ltd
Current assignee: GUANGZHOU TIGER HEAD BATTERY GROUP CO Ltd
Priority date: 2010-08-19
Filing date: 2010-08-19
Publication date: 2011-04-06
Anticipated expiration: 2020-08-19
Also published as: JP3171223U

Abstract

The luminescent battery belongs to a dry battery; the utility model comprises a driving circuit, a switch and a light emitting diode, wherein the driving circuit comprises a three-terminal integrated circuit and an inductor; one or more of the light emitting diode, the three-terminal integrated circuit, the inductor, and the switch are surface mount components; a first elastic metal sheet laid on the edge of an inner hole of the rigid printed circuit board is contacted with a central electrode of the battery; the peripheral edge of the rigid printed circuit board is welded with a second elastic metal sheet, and the second elastic metal sheet extends to the surface of the zinc cylinder of the battery and is in contact with the zinc cylinder; the input end of the three-terminal integrated circuit is connected to one end of the switch, the other end of the switch is connected to the first elastic metal sheet, the output end of the three-terminal integrated circuit is connected to the anode of the light-emitting diode, and the common end of the three-terminal integrated circuit is connected to the cathode of the light-emitting diode and the second elastic metal sheet; the inductor is connected in parallel to the input and output of the three-terminal integrated circuit. The utility model discloses compact structure, reliability are high, suit to make the dry battery of various dimensions.

Description

Light-emitting battery

Technical Field

The utility model relates to a dry battery.

Background

An invention patent named as ' illuminating battery ' (application number: 200910059222, published: 2009-9-30) discloses a dry battery with a light-emitting device, which ' is characterized in that a thin film LED is arranged on the outer surface of the battery and is connected with the positive electrode and the negative electrode of the battery through wires; or the end part of the battery is provided with a micro LED which is connected with the positive and negative electrodes of the battery through a lead. The external surface of the battery is also provided with a driving circuit connected with the LED. Said invention can make dry cell self-body produce light to form simple lighting device, and can display residual electric quantity.

However, this invention does not solve a series of problems which will be encountered and must be faced in mass production, such as the supply of thin film LEDs which are not yet marketed at present, the reliability of the connection of the LEDs and the driving circuit to the positive/negative electrodes of the battery, the optimization of the driving circuit, the structural optimization of the "wire" as a current connection, and the light emitting efficiency of the battery, etc. These problems are closely related to the improvement of product reliability and cost reduction, and improvement is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be suitable for mass production, the generating set that the reliability is higher.

The utility model comprises a driving circuit, a switch and more than one light emitting diode, and is characterized in that the driving circuit comprises a three-terminal integrated circuit and an inductor; one or more of the light emitting diode, the three-terminal integrated circuit, the inductor, and the switch are surface mount components; the three-terminal integrated circuit, the inductor, the light-emitting diode and the switch are welded on an annular rigid printed circuit board; the edge of an inner hole of the rigid printed circuit board is laid with a first elastic metal sheet which is contacted with a central electrode of the battery; and a second elastic metal sheet is welded at the peripheral edge of the rigid printed circuit board, extends to the surface of the zinc cylinder of the battery and is in contact with the zinc cylinder.

The input end of the three-terminal integrated circuit is connected to one end of the switch through a circuit on the rigid printed circuit board, the other end of the switch is connected to the first elastic metal sheet through a circuit on the rigid printed circuit board, the output end of the three-terminal integrated circuit is connected to the anode of the light-emitting diode through a circuit on the rigid printed circuit board, and the common end of the three-terminal integrated circuit is connected to the cathode of the light-emitting diode and the second elastic metal sheet through a circuit on the rigid printed circuit board; the inductor is connected in parallel to the input and output of the three-terminal integrated circuit through the lines on the rigid printed circuit board.

As an improvement of the utility model, the utility model is also provided with a movable shell, a hanging ring is arranged on the movable shell, and a transparent window is arranged on the movable shell at least at the position corresponding to the light-emitting diode.

As a preferred structure of the utility model, one light-emitting diode is provided, the switch is a press type self-locking switch, and the switch and the light-emitting diode are distributed on two sides of the central electrode of the battery; or one light-emitting diode is provided, and the switch is a toggle switch which is distributed on two sides of the central electrode of the battery together with the light-emitting diode.

The utility model has the advantages that:

1. one or more of the light-emitting diode, the switch, the drive circuit and the peripheral elements of the drive circuit are welded on the rigid printed circuit board by leadless surface mounting elements, and the thickness of the element height continuous printed circuit board is about 1.5mm, so that the element height continuous printed circuit board is easily hidden in the end part of the battery.

2. The inner hole of the annular printed circuit board is matched with the diameter of a central electrode (carbon rod) of the battery, so that the first elastic metal sheet is clamped on the carbon rod by the inner hole of the printed circuit board; in addition, the second elastic metal sheet welded on the edge of the rigid printed circuit board extends to the surface of the zinc cylinder of the battery and is tightly molded by the PVC plastic sleeve on the outer layer of the battery to be in contact with the zinc cylinder, so that the contact is reliable and the process is simple.

The utility model is suitable for being made into dry batteries with various dimensions.

Drawings

Fig. 1 is an external view of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the structure of example 1 (with the outer layer of the cell removed);

FIG. 3 is a schematic view of a rigid printed wiring board of embodiment 1;

FIG. 4 is a half sectional view of FIG. 3;

fig. 5 is a schematic view of the use state of embodiment 2 of the present invention;

FIG. 6 is another schematic view of the use state of embodiment 2.

Detailed Description

The utility model adds one or more light emitting diodes, a driving circuit and a switch on the traditional zinc-manganese battery to make the battery become a lighting battery which can emit light; the utility model discloses a traditional dry battery of the same corresponding specification of overall dimension is the same, and it can also use as portable light source equipment alone except can putting into the battery compartment of electrical apparatus and using with traditional product is the same.

Referring to fig. 1 to 4, the electronic component of embodiment 1, which includes a driving circuit, a switch 1 and a light emitting diode 2, is entirely a surface mount component (chip component) without a lead wire in order to reduce the volume and size of the added portion. The driving circuit comprises a three-terminal integrated circuit 3 and an inductor 4; the three-terminal integrated circuit 3, the inductor 4, the light-emitting diode 2 and the switch 1 are welded on an annular rigid printed circuit board 5; a first elastic metal sheet 6 is laid on the edge of an inner hole 13 of the rigid printed circuit board 5; two second elastic metal sheets 7 are welded on the peripheral edge of the rigid printed circuit board 5, and the two second elastic metal sheets 7 respectively extend to the surface of a zinc cylinder 8 of the battery.

The rigid printed circuit board 5 is provided with a circuit 9 formed by etching copper foil; the input end of the three-terminal integrated circuit 3 is connected to one end of the switch 1 through a circuit 9 on the rigid printed circuit board 5, the other end of the switch 1 is connected to the first elastic metal sheet 6 through a circuit on the rigid printed circuit board 5, the output end of the three-terminal integrated circuit 3 is connected to the anode of the light-emitting diode 2 through a circuit on the rigid printed circuit board 5, and the common end of the three-terminal integrated circuit 3 is connected to the cathode of the light-emitting diode 2 and the second elastic metal sheet 7 through a circuit on the rigid printed circuit board 5; the inductor 4 is connected in parallel to the input and output of the three-terminal integrated circuit 3 by means of lines on the rigid printed circuit board 5.

The inner hole 13 of the annular rigid printed circuit board 5 is matched with the diameter of a central electrode 16 (carbon rod) of a battery, the first elastic metal sheet 6 is laid along the inner wall of the inner hole 13 of the rigid printed circuit board 5, and when the rigid printed circuit board 5 is sleeved into the carbon rod, the first elastic metal sheet 6 is clamped on the carbon rod by the inner hole 13 of the printed circuit board; in addition, the two second elastic metal sheets 7 welded on the edge of the rigid printed circuit board 5 extend to the surface of the zinc cylinder 8 of the battery and are tightly molded by the PVC plastic sleeve 17 on the outer layer of the battery to be in contact with the zinc cylinder 8, the contact is reliable and the process is simple.

The three-terminal integrated circuit 3 is a boost LED drive circuit, and is matched with the inductor 4 to boost the direct-current voltage of the dry battery from 0.9 to 1.5 volts to more than 3 volts so as to meet the working requirement of the light-emitting diode; the inductor can set the output current of the boost type LED driving circuit by selecting proper inductance to meet the current requirement of one or more light-emitting diodes.

The switch 1 is a press type self-locking switch, the button 15 of which extends upwards from the opening on the battery cap 18, and the light hole 14 is also formed on the battery cap 18 above the light emitting diode 2, in the embodiment 1, the press type self-locking switch and the light emitting diode are respectively arranged on two sides of the central electrode of the battery.

The battery cap 18 is made into a plastic edge structure, the rigid printed circuit board with the light-emitting component installed is embedded into the inner plastic edge of the battery cap 18, and the light-emitting diode and the self-locking switch are accurately corresponding to the corresponding hole position of the cap, so that the assembly can be accurately carried out, and the reliability of batch production is improved.

Referring to fig. 5 and 6, embodiment 2 differs from embodiment 1 in that: a movable shell 10 made of transparent plastic is arranged outside the luminous battery body 19, the movable shell 10 is cylindrical, and a turnover cover 12 is arranged on the movable shell 10 so as to facilitate the luminous battery body 19 to be installed into the movable shell 10 or the luminous battery body 19 to be taken out of the movable shell 10; the movable shell 10 is provided with a hanging ring 11, and the movable shell 10 and the luminous battery body 19 can be hung by using the hanging ring 11, so that the luminous battery is more convenient to use.

In all embodiments, if the movable casing is not made of a transparent material, at least a transparent window is disposed at a position corresponding to the light emitting diode on the light emitting cell body. In addition, as the control element of the luminous battery, the switch can be a toggle switch or a click-type button switch, the adoption of the toggle switch and the push-type self-locking switch is suitable for a user to continuously light the luminous battery for a longer time, and the adoption of the click-type button switch is convenient for the user to intermittently use the luminous battery.

Claims

1. A light emitting battery comprising a driving circuit, a switch (1) and more than one light emitting diode (2), characterized in that:

the driving circuit comprises a three-terminal integrated circuit (3) and an inductor (4); one or more of the light emitting diode (2), the three-terminal integrated circuit (3), the inductor (4) and the switch (1) are surface-mounted elements; the three-terminal integrated circuit (3), the inductor (4), the light-emitting diode (2) and the switch (1) are welded on an annular rigid printed circuit board (5); a first elastic metal sheet (6) is laid at the edge of an inner hole (13) of the rigid printed circuit board (5), and the first elastic metal sheet (6) is in contact with a central electrode (16) of the battery; a second elastic metal sheet (7) is welded on the peripheral edge of the rigid printed circuit board (5), and the second elastic metal sheet (7) extends to the surface of a zinc cylinder (8) of the battery and is in contact with the zinc cylinder (8);

the input end of the three-terminal integrated circuit (3) is connected to one end of the switch (1) through a circuit on the rigid printed circuit board (5), the other end of the switch (1) is connected to the first elastic metal sheet (6) through a circuit on the rigid printed circuit board (5), the output end of the three-terminal integrated circuit (3) is connected to the anode of the light-emitting diode (2) through a circuit on the rigid printed circuit board (5), and the common end of the three-terminal integrated circuit (3) is connected to the cathode of the light-emitting diode (2) and the second elastic metal sheet (7) through a circuit on the rigid printed circuit board (5); the inductor (4) is connected in parallel to the input end and the output end of the three-terminal integrated circuit (3) through the circuit on the rigid printed circuit board (5).

2. A light emitting battery as recited in claim 1, wherein: the LED lamp is also provided with a movable shell (10), a hanging ring (11) is arranged on the movable shell (10), and a transparent window (12) is arranged on the movable shell (10) at least at the position corresponding to the LED (2).

3. A light-emitting battery according to claim 1 or 2, characterized in that: one light-emitting diode (2) is arranged, the switch (1) is a press type self-locking switch, and the switch and the light-emitting diode (2) are distributed on two sides of a central electrode of the battery.

4. A light-emitting battery according to claim 1 or 2, characterized in that: one light-emitting diode (2) is arranged, and the switch (1) is a toggle switch which is distributed on two sides of the central electrode of the battery together with the light-emitting diode (2).

5. A light-emitting battery according to claim 1 or 2, characterized in that: the three-terminal integrated circuit (3) is a boost type LED drive circuit.