JPH0785850A - Battery storage apparatus - Google Patents

Abstract

PURPOSE:To provide constant polarity regardless of normal or reverse direction in which a battery is set and to provide a battery storage apparatus in which short circuit does not possibly occur when inserting a battery. CONSTITUTION:A first terminal 3 is installed in a battery cover 6 on one end side of a battery box part 2. Meanwhile a second terminal 4 and a third terminal 5 which come into contact only with a plus terminal 1a and a minus terminal 1b of a battery 1, respectively, are installed in the other side, wherein the plus and the minus terminals are set corresponding to the different terminal shapes of the battery 1. Between a negative circuit and each terminal 3, 4, 5, a diode to apply voltage in a prescribed direction to the negative circuit is connected through either first terminal 3 and the second therminal 4 or the first terminal 3 and the third therminal 5 corresponding to the set direction of the battery 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery accommodating device for various electric appliances having a battery box for accommodating dry batteries, and more specifically, to a load regardless of whether the dry batteries are accommodated in the reverse direction. The present invention relates to a battery housing device that can apply a voltage having a constant polarity.

[0002]

2. Description of the Related Art As a conventional device for obtaining a certain polarity regardless of whether the batteries are stored in the normal or reverse direction, there is, for example, a battery box of Japanese Utility Model Laid-Open No. 60-87162.
In this battery box, as shown in FIG. 11, a pair of first conductive parts 3 ', 3 "(5', 5") and a second conductive part in which electrodes to be in contact with one end of the battery are opposed to each other, respectively. A pair of first conductive parts 3 ', 3 "(5', 5") and second conductive parts 5 ', 5 "(which are composed of parts 5', 5" (3 ', 3 ") and which face each other. 3 ', 3 ") are electrically connected to each other. In addition, 4 is an insulator, 6
Is an output terminal.

However, in such a battery box,
When the battery is inserted and housed, there is a risk of, for example, a short circuit occurring between the opposing conductive parts 5 ′ and 5 ″. In order to prevent such a short circuit, as shown in FIG. It is necessary to provide a switch 7 that constitutes a circuit when it is stored in the position, or one electrode must be provided on the battery lid 8 as shown in FIG.

[0004]

However, when the switch is provided in this way, there are drawbacks such as a decrease in reliability and an increase in contact resistance due to an increase in mechanical contact points.
On the other hand, when the battery cover 8 is provided, the electrode on the battery cover 8 side also has a spring property, so that the battery is difficult to insert, and the spring portion is not deformed because it is a portion touched by the user. There is a drawback that it easily occurs.

The present invention has been made in view of the above-mentioned points, and makes it possible to obtain a certain polarity regardless of whether the battery is stored in the normal direction or not, and to insert and store the battery. It is an object of the present invention to provide a battery storage device that is free from the risk of short circuit.

[0006]

In order to achieve the above-mentioned object, the present invention is constructed as follows.

That is, the present invention according to claim 1 is
A battery accommodating device having a battery box part for accommodating a battery and applying a voltage in a predetermined direction from a battery of the battery box part, wherein a first terminal is provided at one end of the battery box part. A second terminal and a third terminal individually corresponding to the positive terminal and the negative terminal of the battery are provided at the other end facing each other, and the first terminal is connected to the battery according to the storing direction of the battery. Between either the positive terminal or the negative terminal, either the second terminal or the third terminal contacts the corresponding terminal of the battery, and between the terminals of the battery box and the load circuit. Depending on the storage direction of the battery,
A semiconductor element that applies a voltage in the predetermined direction is connected via a terminal and the second terminal, or via the first terminal and the third terminal.

According to a second aspect of the present invention, in the battery storage device according to the first aspect, the one end of the battery box portion is a lid, and the second terminal and the third terminal are , Are urged toward the opposing first terminals.

Further, the present invention according to claim 3 is the battery accommodating device according to claim 2, wherein the lid is
It has a lock part that engages and disengages with the main body case in which the battery box part is formed, and is configured to be slidable with respect to the first terminal.

[0010]

According to the present invention as set forth in claim 1, only the first terminal is provided on one end side of the battery box portion, and
A second terminal and a third terminal are provided on the other end side, and only one of the second terminal and the third terminal comes into contact with the corresponding terminal of the battery, so that the battery is erroneously contacted and short-circuited when the battery is inserted. In addition, by the semiconductor element connected between each terminal of the battery box and the load circuit,
A voltage in a predetermined direction is applied to the load circuit regardless of whether the battery is stored in the normal direction or not.

According to the second aspect of the present invention, the side of the battery box portion on which the first terminal is provided is a lid, and the second terminal and the third terminal are opposite first terminals. Since it is biased in the direction, there is no need to provide a biasing member on the first terminal on the lid side, and space can be saved and
The biasing member does not get in the way when the battery is inserted or removed.

According to the third aspect of the present invention, since the lid has the lock portion and is slidable with respect to the first terminal, the first terminal is accommodated. The lid can be slid and locked to the main body case while keeping contact with the terminals of the battery.

[0013]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a partially cutaway plan view of a battery accommodating device according to an embodiment of the present invention, and FIG. 2 is a sectional plane line A-- of FIG.
FIG. 3 is a cross-sectional view seen from A, and FIG. 3 is a cross-section line B- of FIG.
4 is a cross-sectional view as seen from B, FIG. 4 is an external perspective view,
In this embodiment, description will be given by applying to a headphone stereo.

The battery accommodating device of this embodiment has a battery box portion 2 for accommodating the battery 1, and one end of the battery box portion 2 is provided with a battery according to whether the battery 1 is accommodated or not. The first terminal 3 that comes into contact with the positive terminal 1a or the negative terminal 1b of No. 1 is provided, and the other end opposite to the first terminal 3 is provided.
A second terminal 4 and a third terminal 5 respectively corresponding to the positive terminal 1a and the negative terminal 1b of the battery 1 are provided respectively, and the second terminal 4 is provided depending on the storage direction of the battery 1.
Alternatively, one of the third terminals 5 contacts the positive terminal 1a or the negative terminal 1b of the battery 1.

The forward direction (first terminal 3 shown in FIGS.
In the storage of the battery (the positive electrode of which is the positive electrode), the first terminal 3 contacts the positive terminal 1a of the battery 1 and the third terminal 5 contacts the negative terminal 1b of the battery 1.

The first terminal 3 is a terminal that rotates together with the battery lid 6 around the fulcrum shaft 7 as shown by the arrow A in FIG. 1, and the portion from the fulcrum shaft 7 to the first terminal 3 Is composed of the same conductive member as the first terminal 3, and the battery lid 6 can slide along the conductive member within a predetermined range as indicated by arrow A in FIG. At the free end of the battery cover 6, a lock claw 6a that engages with and locks the engagement claw 8a of the main body case 8 is formed. By sliding the battery cover 6, these claws 6a, The lock by 8a or its release is performed.

The second terminal 4 and the third terminal 5 are different from each other in shape of the positive terminal 1a and the negative terminal 1b of the battery 1, that is, the positive terminal 1a projects from the end surface of the battery 1. One of the terminals 4 and 5 is configured to come into contact with the corresponding terminal 1a or 1b of the battery 1 depending on whether the battery 1 is stored in the normal direction or not.

The second terminal 4 that contacts the positive terminal 1a of the battery 1 when the battery 1 is stored in the reverse direction (the first terminal 3 is the negative electrode) is also shown in the enlarged view of FIG. Is located at a position facing the first terminal 3 and on the far side of the battery box portion 2 (right side in FIG. 5) with respect to the third terminal 5, and both left and right sides are made of insulating material. It is held by the terminal holder 9.

When the battery 1 is stored in the positive direction, the third terminal 5 which contacts the negative terminal 1b of the battery 1 does not contact the positive terminal 1a of the battery 1 when stored in the reverse direction. It is located on both sides and each end is held by the terminal holder 9.

As shown in FIG. 5, the second terminal 4 is located on the far side from the third terminal 5 by a distance C. This distance C is the protruding distance A of the plus terminal 1a of the battery 1. Is set smaller than, and the distance D between both sides of the third terminal 5 is
Is set to be larger than the diameter B of the plus terminal 1a of the battery 1.

The second terminal 4 and the third terminal 5 have a spring property and are urged toward the opposing first terminal 3, and the positive terminal 1a or the negative terminal 1b of the battery 1 is used.
Is sure to come into contact with.

FIG. 6 is a circuit diagram showing a structure for applying a voltage in a predetermined direction to the load circuit regardless of whether the battery is housed in the normal direction or not. , With the same reference numerals.

In this embodiment, first to third diodes 11 to 13 are connected as semiconductor elements between the terminals 3 to 5 and the load circuit 10. That is, the first terminal 3
Is connected to the cathode of the first diode 11 and to the anode of the second diode 12,
The anode of the first diode 11 is connected to the negative side of the load circuit 10 and the anode of the third diode 13. The cathode of the second diode 12 is connected to the plus side of the load circuit 10, and
It is connected to the second terminal 4. Also, the third diode 1
The cathode of 3 is connected to the third terminal 5.

FIG. 7 is a circuit diagram showing a connection state when the battery 1 is inserted in the forward direction as shown in FIGS. 1 to 4 in the battery housing device having the above structure.

In this case, the current flows from the first terminal 3 to the load circuit 10 via the second diode 12 and from the load circuit 10 to the third diode 13 as shown by the broken line.
Will flow to the third terminal 5 via.

Next, FIGS. 8 to 10 show a state in which the battery 1 is stored in the reverse direction. In this case, the negative terminal 1b of the battery 1 contacts the first terminal 3, and the positive terminal 1a of the battery 1 contacts the second terminal 4. Therefore, the current flows from the second terminal 4 to the load circuit 10 and from the load circuit 10 to the first terminal 3 via the first diode 11, as indicated by the broken line in FIG. 10.

In this way, a voltage in a predetermined direction can be applied to the load circuit 10 irrespective of whether the battery 1 is housed or not, and the one end side of the battery box portion 2 is the first Since only the terminal 3 is provided and only one of the second and third terminals 4 and 5 on the other end side comes into contact with the terminal of the battery 1, it is erroneously contacted and short-circuited when the battery 1 is inserted. Never. Therefore, unlike the conventional example, there is no need to provide a switch to prevent a short circuit, and the reliability is improved.

Moreover, in this embodiment, since the second and third terminals 4 and 5 have spring properties and are biased in the direction 1 of the first terminal, they are connected to the first terminal 3 on the battery lid 6 side. Does not require a spring member, so that the spring member does not interfere when the battery 1 is inserted or removed, and the battery 1 can be easily inserted and removed, and a stable and stable opening and closing can be performed.

Moreover, since the battery lid 6 is slidable with respect to the first terminal 3, the battery lid 6 is locked to the main body case 8 while maintaining the contact between the first terminal 3 and the terminal of the battery 1. Alternatively, it can be canceled.

In the above-mentioned embodiment, the description was made by applying it to the headphone stereo, but it is needless to say that it can be applied to other devices, and in the above-mentioned embodiment, one end side of the battery box portion 2 is covered. Although it is set to 6, it is needless to say that the lid 6 may not be used.

[0032]

As described above, according to the present invention, only the first terminal is provided on one end side of the battery box portion, and
A second terminal and a third terminal are provided on the other end side, and only one of the second terminal and the third terminal comes into contact with the corresponding terminal of the battery, so that a short circuit occurs due to an erroneous contact when the battery is inserted. In addition, by the semiconductor element connected between each terminal of the battery box and the load circuit,
A voltage in a predetermined direction is applied to the load circuit regardless of whether the battery is stored in the normal direction or not.

Since the side of the battery box on which the first terminal is provided is a lid, and the second terminal and the third terminal are biased toward the opposing first terminals, the first side on the lid side.
It is not necessary to provide a biasing member on the terminal, space can be saved, and the biasing member does not obstruct the insertion / removal of the battery when the battery is inserted / removed.

Further, by making the lid having the lock portion slidable with respect to the first terminal, the lid is slid while keeping the state in which the first terminal is in contact with the terminal of the battery housed therein. Then, the lid can be locked or unlocked in the main body case.

[Brief description of drawings]

FIG. 1 is a partially cutaway plan view of an embodiment of the present invention.

FIG. 2 is a sectional view taken along the section line AA of FIG.

3 is a cross-sectional view taken along the section line BB of FIG.

4 is an external perspective view of the embodiment of FIG.

FIG. 5 is an enlarged view of second and third terminal portions.

FIG. 6 is a circuit diagram showing a connection between each terminal of the battery box section and a load circuit.

FIG. 7 is a circuit diagram showing a connection state when a battery is inserted in the forward direction.

FIG. 8 is a plan view corresponding to FIG. 1 when the battery is inserted in the reverse direction.

9 is a cross-sectional view taken along the section line A′-A ′ of FIG.

FIG. 10 is a circuit diagram showing a connection state when a battery is inserted in the reverse direction.

FIG. 11 is a sectional view of a conventional example.

FIG. 12 is a sectional view of a conventional example.

FIG. 13 is a sectional view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Battery 2 Battery box part 3-5 1st-3rd terminal 6 Battery lid 8 Main body case 10 Load circuit 11-13 1st-3rd diode

Claims (3)

[Claims] 1. A battery accommodating device having a battery box part for accommodating a battery, wherein a voltage in a predetermined direction is applied from a battery of the battery box part to a load circuit, wherein one end of the battery box part comprises: A first terminal is provided, and a second terminal and a third terminal that individually correspond to the positive terminal and the negative terminal of the battery are provided at the other end facing each other, and the first terminal is provided depending on the storage direction of the battery. The terminal is in contact with either the positive terminal or the negative terminal of the battery, and either the second terminal or the third terminal is in contact with the corresponding terminal of the battery, Between the load circuit and the first terminal and the second terminal depending on the storage direction of the battery.
A battery housing device, to which a semiconductor element for applying a voltage in the predetermined direction is connected via a terminal or via the first terminal and the third terminal. 2. The battery box portion has one end as a lid, and the second terminal and the third terminal are biased toward the facing first terminal. The battery storage device described in. 3. The lid according to claim 2, wherein the lid has a lock portion that engages and disengages with a main body case in which a battery box portion is formed, and is slidable with respect to the first terminal. Battery storage device.