JP2001084976A - Battery - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a battery from being further pushed in physically, unless it is inserted in a correct manner and thereby to prevent the back face or corner part of the battery from pushing down the negative side battery terminal of a battery case to deform or break it by forming projecting parts in the vicinity of the front face of the battery at one end of a battery holder, where a recessed part is formed and by forming projecting parts in the vicinity of the back face of the battery at the other end of the battery holder. SOLUTION: In this battery, plural primary batteries or secondary batteries can be substituted. The battery has at least one cell, a battery holder 11 for storing the cell(s), and a couple of a positive terminal 12 and a negative terminal 13. A recessed part 14, capable of receiving a negative side battery terminal formed in a battery case for storing the battery, is formed at one end of the battery holder 11. In this case, at the one end having the recessed part 14 of the battery holder 11 formed, projecting parts 17 are formed in the vicinity of the front face of the battery. At the other end of the battery holder 11, projecting parts 16 are formed in the vicinity of the back face of the battery.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery which can replace a plurality of primary batteries or secondary batteries, and more particularly to a battery which is easy to use and has high safety.

[0002]

2. Description of the Related Art Many portable electronic devices, such as portable audio players, personal digital assistants (PDAs) represented by electronic notebooks, and game devices, which are widely used today, are mostly manganese batteries. And a secondary battery such as a nickel-cadmium battery as a power source. Usually, these portable electronic devices are designed so that a plurality of such batteries are stored in a battery case to obtain a desired operating voltage.

FIG. 6 shows an example of such a case. AA batteries 22 and 23 of 1.5 V are stored in a battery case 21 provided on the back of an electronic device such as a portable game device, and an operating voltage of 3 V is stored.
Have gained. The battery case 21 has storage portions 24 and 25 for storing batteries 22 and 23, respectively, and these are partitioned by a partition plate 26. The positive terminal side of one battery 22 is in contact with the navel-shaped positive side battery terminal 31,
On the negative terminal side, a spring-like negative battery terminal 32 is provided.
Contact. Similarly, the positive battery terminal 34 contacts the positive terminal side of the other battery 23, and the spring-shaped negative battery terminal 35 contacts the negative terminal side. The positive battery terminal 34 has the same terminal plate 33 as the negative battery terminal 32 for the battery 22. Here, partition walls 27, 28, and 29 are provided in the battery case, and terminal board 3 is provided in a space between these partition walls and one end surface in the battery case.
3 are housed, and are cut off by providing cutouts at positions facing the plus side battery terminal 34 and the minus side battery terminal 32. With the above structure, a state in which two AA batteries are connected in series is realized, and an operating voltage of 3 V is applied to the positive input and the negative input of the power supply of the electronic device.

When the batteries 22 and 23 are exhausted by using electronic equipment, these used batteries are simultaneously removed from the battery case and replaced with two unused batteries. However,
Conventionally, the used batteries that have been removed fall apart, so that they are easily dissipated and are not easy to use.

On the other hand, since the batteries are disjointed, it is easy to confuse a used battery that has been removed with an unused battery that is to be installed, and there is a possibility that a used battery and an unused battery are mixed and installed due to an error. There is. In the case of a portable game device, a user represented by an infant or a child may not be able to mount the batteries 22 and 23 in the battery case in the correct direction. Such a problem of simultaneous use of a used battery and an unused battery and reverse insertion of a battery may not only cause a failure of the electronic device but also affect the safety of the user.

Further, in a conventional battery, when the plus terminal and the minus terminal are electrically connected by any means, a short circuit occurs. Therefore, depending on battery storage conditions and other factors,
There is a case where such a short-circuit problem is concerned about safety.

[0007]

Therefore, the applicant has proposed a battery which can replace a plurality of primary batteries or secondary batteries, at least one unit battery, a battery holder for storing the unit battery, and A battery having a pair of a positive terminal and a negative terminal and having a concave portion formed at one end of a battery holder and capable of accommodating a negative battery terminal provided in a battery case for storing the battery has been proposed. 11-175
No. 473). According to this, it is possible to solve the above-mentioned problems of the prior art, to improve the usability, and to prevent the simultaneous use of used batteries and unused batteries, the problem of reverse insertion of batteries, and the problem of short-circuiting. It is possible to provide a battery that can replace a plurality of primary batteries or secondary batteries with high performance.

However, when mounting the new battery in the battery case, first, the battery is tilted and the end of the battery provided with the plus terminal and the minus terminal is pushed into the battery case. The spring 35 is kept in a compressed state, and then the end provided with the concave portion 14 is pushed in. However, if this order is incorrect, and the end provided with the concave portion 14 is first pushed in as shown in FIG. 7 and then attempted to be attached, as shown in FIG. The negative battery terminal (spring) may be pushed down to deform or break.

Accordingly, an object of the present invention is to provide an improved battery which has solved such a problem.

[0010]

In order to achieve the above object, a battery according to the present invention is a battery that can replace a plurality of primary batteries or secondary batteries, and includes at least one unit cell; It has a battery holder for storing a unit cell, and a pair of a positive terminal and a negative terminal, and has a recess formed at one end of the battery holder that can store a negative battery terminal provided in a battery case for storing a battery. In the battery, a convex portion is formed near the front surface of the battery at one end where the concave portion of the battery holder is formed, and a convex portion is formed near the rear surface of the battery at the other end of the battery holder. It is characterized by.

The recess may be formed by a side wall extending to one end of the unit cell.

It is preferable that the battery holder has a longitudinally extending groove capable of containing a battery partition provided in the battery case. Preferably, the unit cell is a secondary battery, and the battery holder has a pair of charging terminals electrically connected to the plus terminal and the minus terminal, respectively.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1, 2, 3, 4, and 5 show a battery according to an embodiment of the present invention. 1 and 3, the battery has a battery holder 11 and a pair of a plus terminal 12 and a minus terminal 13 provided at one end thereof. Then, the plus terminal 12 and the minus terminal 1
Below the battery 3 and near the back surface of the battery, there are convex portions 16 each having a height slightly lower than the positive terminal 12. Referring to FIG. 2 showing the battery viewed from the back, a recess 14 is formed at the other end of the battery holder 11, and a groove 15 extending in the longitudinal direction is formed at the center in the width direction. In the battery holder 11, a unit cell 10 composed of two secondary cells is built in (see FIG. 5), and the minus terminal of one unit cell and the plus terminal of the other unit cell are connected by wiring (not shown). It is made electrically connectable, whereby two cells are connected in series. As shown in FIGS. 2 and 4, the concave portion 14 forms a part of the battery holder 11 and extends to one end side of the two unit cells,
It is formed in a U-shape by the cutout side surface of the end surface 19,
Its depth is such that the minus side battery terminal 32 (see FIG. 6) formed of a normal spring provided in the battery case can be stored in a non-compressed state or a slightly compressed state. In the upper part of the side wall 18 near the surface of the battery, a convex portion 17 which is curved and protrudes to a predetermined height is formed. On the other hand, the groove 15 provided on the back surface of the battery case
When the present battery is mounted in the battery case, the battery partition plate 26 provided in the battery case in advance (see FIG. 6)
Having a depth capable of containing

The height of the protrusions 16 and 17 is determined by the length of a diagonal line connecting the front side corner and the back side corner of the battery whose ends are the surfaces of these protrusions. Partition wall 29
Is selected to be longer than the length of a line connecting the corner of the side wall 30 on the opposite side to the top. Returning to FIG. 1, an opening is formed in the surface of the battery holder 11 to expose a pair of a positive charging terminal 41 and a negative charging terminal 42 for enabling the built-in unit cell to be charged from the outside. Let me. Another opening is a contact 43 for electrically connecting the two cells under a certain condition.
Is exposed. The contact 43 is connected to the battery holder 11.
When the main battery is mounted in the battery case in a correct direction and a predetermined battery case cover (not shown) is closed, a switch formed of a protrusion provided on the back surface of the battery case cover is provided. The means pushes the contact 43 exposed by the opening to make the two cells energized.

In order to properly mount the battery having such a structure in the battery case, first, the end of the battery provided with the plus terminal and the minus terminal is pushed into the battery case while the battery is tilted. Battery case spring 35
(See FIG. 6) in a compressed state,
Push in the end provided with. Then, the positive terminal 1 of the present battery is connected to the positive battery terminal (navel) 31 in the battery case.
2 is a negative battery terminal (spring) 35 in the battery case.
And the negative terminal 13 of the present battery comes into contact with each other. At the same time, the convex portion 16 is connected to the positive battery terminal (navel) 31 and the negative battery terminal (spring) 35 in the battery case.
Can be stored without any problem underneath. At this time, another plus-side battery terminal (navel) 34 and a minus-side battery terminal (spring) originally having a function of electrically connecting two batteries in series.
32 does not contribute to electrical connection at all in the use state of the battery of the present invention. Thus, at one end of the battery holder 11, there is formed a recess 14 which can accommodate a negative battery terminal provided in the battery case.
4, the negative battery terminal (spring) 32 which does not contribute to the electrical connection in the battery case is conveniently stored (at the same time, the battery case partitioning portion 26 is stored in the groove 15 provided on the back surface of the battery). And) is easily mounted.

On the other hand, contrary to the above order, the concave portion 1
Assume that the end provided with 4 is first pushed in and then attempted to be mounted in the battery case. Then, as shown in FIG. 5, in the battery according to the embodiment of the present invention, the protrusion 17 provided at one end of the battery is connected to the partition 29 in the battery case 21.
(And 28), and in this state, even if the battery is forcibly pushed in, the other protrusion 16 provided on the other end of the battery, that is, on the side of the plus terminal 12 and the minus terminal 13 always comes into contact with the battery. Since it hits the corner of the side wall 30 on the opposite side of the case 21, it cannot be physically pushed further. Therefore, the possibility that the back surface or the corner of the battery pushes down the negative battery terminal (spring) 35 of the battery case to be deformed or damaged is avoided.

As is apparent from the above description, a structure and a material which are not easily damaged by a forcible pushing force are selected for the protrusions 16 and 17, and preferably the battery holder 1 is provided.
1 and integrally molded.

The shape and number of these protrusions are arbitrary. For example, in FIGS. 1 and 3, both of the two protrusions 16 provided near the back surface of the battery below the plus terminal and the minus terminal are both provided. It is not necessary, and only one of them may be used. For example, the same effect can be obtained by using only the protrusion provided below the minus terminal 13 and near the rear surface.

The present invention is not limited to the above-described embodiment, and it goes without saying that various modifications can be made within the scope of the technical idea described in the claims.

[0021]

As described above, according to the battery according to the present invention, the battery can replace a plurality of primary batteries or secondary batteries, and stores at least one unit cell and the unit cell. A battery having a battery holder and a pair of a positive terminal and a negative terminal, wherein a concave portion capable of housing a negative battery terminal provided in a battery case for storing the battery is formed at one end of the battery holder. At one end of the battery holder where the concave portion is formed, a convex portion is formed near the front surface of the battery, and at the other end of the battery holder, a convex portion is formed near the back surface of the battery. If you don't, you can't physically push it further. Therefore, the possibility that the rear surface or the corner of the battery pushes down the negative battery terminal of the battery case to be deformed or damaged is avoided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a battery according to an embodiment of the present invention.

FIG. 2 is a partial rear perspective view of the battery of FIG. 1;

FIG. 3 is a left side view of the battery of FIG. 1;

FIG. 4 is a right side view of the battery of FIG.

FIG. 5 is an explanatory diagram showing a state when the battery of FIG. 1 is improperly mounted.

FIG. 6 is an explanatory diagram showing a state when two conventional batteries are mounted in a battery case of an electronic device.

FIG. 7 is an explanatory diagram showing a state when the previously proposed battery is improperly mounted.

FIG. 8 is an explanatory diagram showing a state in which the previously proposed battery is improperly mounted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Battery holder 12 Positive terminal 13 Minus terminal 14 Concave part 15 Groove part 16, 17 Convex part

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Ryoji Takasaki 2-5-5 Keihanhondori, Moriguchi-shi, Osaka F-term in Sanyo Electric Co., Ltd. 5H020 AA01 AS05 AS13 DD11 KK01 KK10

Claims (4)

[Claims] 1. A battery that can replace a plurality of primary batteries or secondary batteries, comprising at least one unit cell, a battery holder for storing the unit cell, and a pair of a positive terminal and a negative terminal. The battery has a concave portion formed at one end of the battery holder and capable of storing a negative battery terminal provided in a battery case for storing the battery, wherein the concave portion of the battery holder is formed. A battery, wherein a protrusion is formed at one end near the front surface of the battery, and a protrusion is formed at the other end of the battery holder near the back surface of the battery. 2. The battery according to claim 1, wherein the recess is formed by a side wall extending to one end of the unit cell. 3. The battery according to claim 1, wherein the battery holder has a groove extending in a longitudinal direction and capable of enclosing a battery partition provided in the battery case. . 4. The battery according to claim 1, wherein the unit cell is a secondary battery, and the battery holder has a pair of charging terminals electrically connected to the plus terminal and the minus terminal, respectively. Item 4. The battery according to items 1 to 3.