JPH05159760A - Battery storage device - Google Patents

Abstract

PURPOSE:To use a single battery holder concurrently for primary and secondary batteries by providing the first connecting terminal for common use of the primary/secondary batteries and the second connecting terminal for exclusive use of the secondary battery in the battery holder and an external terminal insertion hole for charging the secondary battery in a main unit case. CONSTITUTION:In the case of using a primary battery for an electronic equipment, the primary battery is mounted to a holder 11 without mounting the second connecting terminal 14 for exclusive use of a secondary battery to the battery holder 11, and by fitting the holder 11 to a battery storage part 3 from an insertion port 4 in one end face of a main unit case 1, a positive pole terminal 7 of the storage part 3 is directly connected to a positive pole of a battery 20 and also connecting a negative pole terminal 8 to a negative pole of the battery 20 through the first connecting terminal 13 in common use of the holder 11 to supply power to the electronic equipment. Next in the case of using the secondary battery for the electronic equipment, the terminal 14 is mounted to a holder part 12 of the holder 11, and the secondary battery is mounted to the holder 11 fitted to the storage part 3. The terminal 7 is connected to the positive pole of the battery 20 and also the terminal 8 is connected to the negative pole of the battery 20 through the terminal 13 to supply power to the electronic equipment.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery storage device used in small electronic equipment.

[0002]

2. Description of the Related Art Conventionally, coin-shaped primary batteries or secondary batteries have been used in small electronic devices, and a battery housing device for this type of battery is provided in the case of the electronic device main body.

FIG. 4 shows the configuration of a battery storage device provided in a conventional small electronic device. In FIG. 4, reference numeral 41 denotes a main body case of an electronic device in which a printed board on which various electronic components are mounted is arranged. Reference numeral 42 denotes a battery storage portion provided inside the main body case 41, and has an insertion opening 43 on an end surface of the main body case 41. A positive electrode terminal and a negative electrode terminal provided on the printed circuit board in the main body case 41 are arranged in the battery housing portion 42. Reference numeral 44 is a coin-shaped primary battery, and 45 is a coin-shaped secondary battery, and the polarities thereof are such that the large diameter portion has a positive polarity and the small diameter portion has a negative polarity as shown in FIG. 46 is a battery compartment 4
2 is a battery holder for a primary battery that is removably fitted to the secondary battery holder 2. The holder part 47 is made of plastic and holds the primary battery 44 along the outer periphery thereof. A metal terminal 48 for connecting an electronic device, which is connected to the negative electrode of the battery 44, is provided. Reference numeral 49 denotes a battery holder for a secondary battery which is detachably fitted in the battery housing portion 42, and like the primary battery holder 46, a plastic holder portion 50 for the secondary battery 45 and the holder portion 50. And a metal terminal 51 for connecting an electronic device, which is detachably attached to the lower surface of the battery and is connected to the negative electrode of the secondary battery 45. In the battery holder 49 for the secondary battery, as shown in FIG. 6, the holder portion 50 has two insertion holes 52 and 53 for the external power supply terminal on the front surface, and the holder portion 50 has the metal terminal 51 for connecting the electronic device. The outer peripheral portion has a contact piece 54.

Next, the operation of the above conventional example will be described with reference to FIG. In the above-mentioned conventional example, when the primary battery 44 is used for the electronic device, the primary battery 44 is attached to the battery holder 46 for the primary battery, and the battery holder 46 is inserted from the insertion opening 43 of the end face of the main body case 41 to the battery storage portion 42. By fitting, the positive electrode terminal of the battery housing portion 42 is directly connected to the positive electrode of the battery 44, and the negative electrode terminal is connected to the negative electrode of the battery 44 via the metal terminal 48 for connecting the electronic device of the battery holder 46, Power is supplied to the electronic device.

The same applies to the case where the secondary battery 45 is used. By holding the secondary battery 45 in the battery holder 49 for the secondary battery and fitting it into the battery housing portion 42 of the main body case 41, the battery Each terminal of the storage portion 42 is connected to the positive electrode and the negative electrode of the battery 45, and power is supplied to the electronic device.

When charging the secondary battery 45, first, the external power source terminal on the negative electrode side is passed through one insertion hole 52 on the front surface of the holder portion 50, and the secondary battery 45 is passed through the contact piece 54 of the metal terminal 51. Then, the external power source terminal on the positive electrode side is passed through the other hole 53 of the holder portion 50 and directly connected to the positive electrode of the secondary battery 45. As a result, the secondary battery 45 is connected to the external power source and charged.

As described above, in the above-described conventional battery storage device, two types of battery holders 4 for the primary battery and the secondary battery are provided.
It is equipped with 6, 49 and can correspond to a primary battery and a secondary battery.

[0008]

However, in the above-mentioned conventional battery storage device, it is necessary to separately prepare two types of battery holders according to the customer's order, which is troublesome in production management and costly. There was a problem of becoming.

The present invention is intended to solve such a conventional problem, and to provide an excellent battery storage device in which one battery holder can be used for both a primary battery and a secondary battery. To aim.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a battery holder having a first primary and secondary secondary batteries.
The connection terminal and the second connection terminal dedicated to the secondary battery, which is attached only when the secondary battery is used, are provided, and the main body case has an external power supply for charging the secondary battery through these connection terminals. A terminal insertion hole is provided.

[0011]

The present invention has the following functions due to the above-mentioned structure. That is, when using the primary battery, the battery holder is used for the primary battery without attaching the second connection terminal. Thus, even if the external power supply terminal is accidentally inserted into each insertion hole of the main body case, it is possible to prevent erroneous charging of the primary battery. When a secondary battery is used, the second connection terminal is attached and the battery holder is used for the secondary battery. As a result, the secondary battery is charged by inserting the external power supply terminal into each insertion hole of the main body case.

[0012]

1 and 2 show the construction of an embodiment of the present invention. 1 and 2, reference numeral 1 denotes a main body case of an electronic device, in which a printed circuit board 2 is arranged. Reference numeral 3 denotes a battery storage portion provided in the main body case 1, which has an insertion opening 4 for the battery 20 at a side end portion of the main body case 1 corresponding to the battery storage portion 3 and has an external power source terminal on the end surface. It has a pair of insertion holes 5 and 6. In this battery housing portion 3, four terminals 7, 8, 9 and 10 mounted on the printed board 2 by soldering are arranged. Reference numeral 7 is a positive electrode terminal, and 8 is a negative electrode terminal. Reference numeral 9 denotes a charging positive electrode terminal, which is connected to the positive electrode terminal 7 and is provided inside the one insertion hole 5 on the end face of the main body case 1 at a position not facing the insertion hole 5. Reference numeral 10 denotes a charging negative electrode terminal, which is connected to the negative electrode terminal 8 and is provided inside the other insertion hole 6 at a position facing the insertion hole 6. Reference numeral 11 denotes a battery holder, and as shown in FIG. 3, a plastic holder portion 12 for holding the battery 20 along the outer periphery thereof, and a primary and secondary battery shared by the lower surface of the holder portion 12 for both primary and secondary batteries. The first connection terminal 13 and the second connection terminal 14 dedicated to the secondary battery attached to one side of the holder portion 12 are provided. The common connection terminal 13 has a pair of claws 15 on its outer peripheral portion, and is attached by elastically locking these claws 15 to both sides of the holder portion 12. The second connection terminal 14 dedicated to the secondary battery is formed at the corner of the holder portion 12 on the left side in the drawing so as to be applied in a strip shape diagonally from the side surface to the end surface, and the claw 1 is provided at both ends.
6 and is detachably attached to the holder portion 12 by elastically locking these claws 16.

Next, the operation of the above embodiment will be described.
First, when a primary battery is used in an electronic device, the primary battery is attached to the battery holder 11 without attaching the second connection terminal 14 dedicated to the secondary battery to the battery holder 11.
By inserting the battery holder 11 into the battery housing portion 3 from the insertion opening 4 on the end face of the main body case 1, the positive electrode terminal 7 of the battery housing portion 3 is directly connected to the positive electrode of the battery 20, and the negative electrode terminal 8 is connected to the battery holder 11. Common first connection terminal 13
Power is supplied to the electronic device by connecting to the negative electrode of the battery 20 via.

In this case, even if the external power supply terminal is mistakenly inserted into the insertion holes 5 and 6 of the main body case 1, the second connection terminal 14 dedicated to the secondary battery is not attached, so that the external side of the positive electrode side is not attached. The power supply terminal is not connected to the charging positive electrode terminal 9 to prevent erroneous charging of the primary battery.

Next, when a secondary battery is used in the electronic equipment, the second connecting terminal 14 dedicated to the secondary battery is attached to the holder portion 12 of the battery holder 11, and the secondary battery is used as in the case of the primary battery. By attaching the next battery to the battery holder 11 and fitting it into the battery housing portion 3, the positive electrode terminal 7 of the battery housing portion 3 is connected to the positive electrode of the battery 20, and the negative electrode terminal 8 is shared by the battery holder 11. By connecting to the negative electrode of the battery 20 via the first connection terminal 13, power is supplied to the electronic device.

When charging this secondary battery, the external power source terminal on the positive electrode side is passed through one insertion hole 5 of the main body case 1 and the second connecting terminal 14 dedicated to the secondary battery is used to charge the positive electrode terminal for charging. 9, and the external power source terminal on the negative electrode side is passed through the other insertion hole 6 and directly connected to the negative electrode terminal 10 for charging. As a result, the secondary battery is connected to the external power source and charged.

As described above, according to the above embodiment, when the second connection terminal 14 dedicated to the secondary battery is not attached to the battery holder 11, the battery holder 11 is used as the charging terminals 9 and 10 in the main body case 1. It can be used as a battery holder for a primary battery that regulates connection with an external power source, and by attaching the second connection terminal 14 dedicated to the secondary battery to the battery holder 11, the battery holder 11 can be connected to the charging terminal 9, 1
It can be used as a battery holder for a secondary battery in which 0 and an external power source can be connected.

[0018]

As is apparent from the above embodiment, the present invention is for a secondary battery dedicated to a secondary battery, which is mounted only when using a first connecting terminal for both primary and secondary batteries and a secondary battery in a battery holder. Since the second connection terminal is provided and the main body case is provided with the insertion hole for the external power supply terminal for charging the secondary battery through these connection terminals, the battery holder is provided with the second connection dedicated to the secondary battery. By attaching and detaching the terminal, it is possible to use the battery for both the primary battery and the secondary battery.

[Brief description of drawings]

FIG. 1 is a sectional view of a battery housing device according to an embodiment of the present invention.

FIG. 2 is a perspective view of a small electronic device including the battery storage device.

FIG. 3 is an exploded perspective view of a battery holder used in the battery storage device.

FIG. 4 is a perspective view of a small electronic device including a conventional battery storage device.

FIG. 5 is a side view of a secondary battery used in the battery storage device.

FIG. 6 is an exploded perspective view of a battery holder for a secondary battery used in the battery storage device.

[Explanation of symbols]

 1 Main Body Case 2 Printed Circuit Board 3 Battery Storage Section 4 Insertion Port 5 Insertion Hole 6 Insertion Hole 7 Positive Terminal 8 Negative Terminal 9 Charging Positive Terminal 10 Charging Negative Terminal 11 Battery Holder 12 Holder Section 13 Primary and Secondary Battery Common 1 connection terminal 14 second connection terminal for secondary battery 15 claw 16 claw 20 battery

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Susumu Otsuki 4-3-1, Tsunashima-higashi, Kohoku-ku, Yokohama-shi, Kanagawa Matsushita Communication Industrial Co., Ltd.

Claims (1)

[Claims] 1. A secondary battery dedicated to a secondary battery, which is mounted only when holding a coin-shaped primary or secondary battery and holding a first connection terminal for both primary and secondary batteries and a secondary battery. A battery holder having a connection terminal for connecting the battery holder and a battery housing portion for housing the battery holder and connecting the battery to an electronic device. When the battery holder holding a secondary battery is housed, And a main body case having an insertion hole for an external power supply terminal for charging the secondary battery via the second connection terminal.