JPH08203483A - Battery power source device - Google Patents

Abstract

PURPOSE: To provide a battery power source device which does not apply unnecessary voltage or supply unnecessary current to an electronic component when the electronic component mounted with a printed circuit board by passing through a solder bath is fixed. CONSTITUTION: A positive contact terminal plate 4 coming in contact with a positive terminal 3 of a battery main body 1 is constituted with a conductive part 5, a conducting foot part 8, and an insulating part 9. The conductive part 5 and the conducting foot part 8 are insulated with the insulating part 9, a foot 8a integrally formed with the conducting foot part 8 is fixed to a printed circuit board by passing through a solder bath, and the conductive part 5 and the conducting foot part 8 are electrically connected to supply desired voltage and current to the mounted electronic component.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery power supply device.

[0002]

2. Description of the Related Art Conventionally, various battery power supply devices using a battery as a power supply are known, and one example thereof is shown in FIG.

In FIG. 3, reference numeral 31 designates a battery main body whose outer and outer peripheral surfaces 32 such as an insulating tube cover the peripheral portions of the side surface and the upper and lower surfaces. There are a positive electrode contact terminal plate 35 that contacts the positive electrode terminal 33 of the battery body 31 and a negative electrode contact terminal plate 36 that contacts the negative electrode bottom plate 34 of the battery body 31. Although not shown, such a battery power supply device is mounted on a printed wiring board together with electronic components such as a resistor and a capacitor, and the printed wiring board is placed in a solder bath so that the back surface of the printed wiring board is immersed in solder. When passing through, the leg 37a of the conduction leg portion 37 of the positive electrode contact terminal plate 35 of the battery power supply device and the leg 36a of the negative electrode contact terminal plate 36 are electrically conducted by soldering in the solder bath, and a short circuit occurs. Therefore, an electronic component such as a resistor or a capacitor mounted on the printed wiring board may have an overcurrent exceeding the resistance of the electronic component, and the electronic component may be destroyed.

[0004]

In the battery power supply device having the above-mentioned conventional structure, when the printed circuit board is mounted together with other electronic components and immersed in the solder bath, a current is supplied from the battery power supply device in the solder bath. There was a problem of flowing to electronic parts and destroying the electronic parts.

The present invention solves the above-mentioned problems and, even if the electronic component is mounted on a printed wiring board together with other electronic components and immersed in a solder bath so as to fix the solder to the back surface of the printed wiring substrate, the electronic component Another object of the present invention is to provide a battery power supply device in which an unnecessary voltage is applied from the battery power supply device or an electric current flows and the electronic parts are not destroyed.

[0006]

In order to achieve the above object, the invention according to claim 1 provides a battery main body, a positive electrode contact terminal plate which contacts a positive electrode of the battery main body, and a negative electrode of the battery main body. A negative electrode contact terminal plate that contacts with the positive electrode contact terminal plate or the negative electrode contact terminal plate, or both contact terminal plates, a conductive portion that contacts the positive electrode or the negative electrode of the battery body, and an electrical insulation. A conductive leg portion insulated from the conductive portion by interposing a portion, the conductive leg portion being inserted into a fixed through hole of a printed wiring board, and the conductive leg portion being a conductive wire of the printed wiring board. After being soldered to, the conductive portion of the terminal board and the conductive leg portion are electrically connected to each other.

According to a second aspect of the invention, in the invention according to the first aspect, an opening is provided in the electrically insulating portion, and solder is fixed to the opening to electrically connect the conductive portion and the conductive leg portion. It is configured.

The invention according to claim 3 has a battery main body, a positive electrode contact terminal plate that contacts the positive electrode of the battery main body, and a negative electrode contact terminal plate that contacts the negative electrode of the battery main body. Either or both of the positive electrode contact terminal plate and the negative electrode contact terminal plate are opposed to a fixed plate that does not conduct with a gap therebetween, and the fixed plate has a conduction leg portion, A configuration in which the legs of the conduction legs are inserted into the fixed through holes of the printed wiring board and the legs of the conduction legs are soldered to the conductive wires of the printed wiring board, and then the contact terminal plates are conducted to the fixed plates facing each other. It is what

According to a fourth aspect of the invention, in the invention according to the third aspect, at least the surface of the fixed plate facing the contact terminal plate is provided with an electrically insulating coating.

[0010]

According to the structure of the present invention, when the printed wiring board is passed through the solder bath and the legs of the conductive legs are fixed to the printed wiring board by soldering, either the positive electrode or the negative electrode of the battery is contacted. One or both contact terminal plates are not electrically connected to the conductive legs due to the interposition of the electrically insulating portion. Therefore, unnecessary voltage application or current flow from the battery does not flow to other electronic components mounted on the printed wiring board, and at the required stage, the contact terminal board and conduction legs are energized to generate the required voltage for the electronic components. It is possible to apply or pass an electric current.

According to a second aspect of the present invention, in the configuration according to the first aspect, an opening is provided in the electrically insulating portion, and solder is fixed to the opening to electrically connect the conductive portion and the conductive leg portion. be able to.

According to the third aspect of the invention, in the state where the printed wiring board is passed through the solder bath and the conductive legs are fixed to the printed wiring board by soldering, either one or both of the positive and negative electrodes of the battery is provided. The contact terminal plates that come into contact face the fixed plate that does not conduct with a gap therebetween, so that the conductive legs on the fixed plate are not energized. Therefore, unnecessary voltage application or current flow from the battery does not flow to other electronic components mounted on the printed wiring board, and at the required stage, the contact leg plate and the fixed plate, that is, the conductive leg formed on the fixed plate. It is possible to apply a required voltage or current to the electronic parts by energizing.

According to the structure of claim 4,
The electrically insulating coating provided on the fixing plate makes it easier to surely perform the operation of the configuration according to the third aspect.

[0014]

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

(Embodiment 1) In FIG. 1, reference numeral 1 denotes a battery main body, which is covered with side walls and upper and lower peripheral portions by an outer casing 2 such as an insulating tube. The positive electrode terminal 3 of the battery body 1 is in contact with the conductive portion 5 of the positive electrode contact terminal plate 4, and the negative electrode bottom plate 6 of the battery body 1 is in contact with the negative electrode contact terminal plate 7. Reference numeral 8 denotes a conductive leg portion that is insulated from the conductive portion 5 via an electrically insulating portion 9, and the conductive portion 5 and the electrically insulating portion 9 constitute a positive electrode contact terminal plate 4. 8
a is a leg provided on the conduction leg portion 8 and is inserted into the through hole of the printed wiring board together with the leg 7a of the negative electrode contact terminal plate 7,
It is fixed on the back surface side of the printed wiring board by soldering. Reference numeral 9a is an opening provided in the electrically insulating portion 9.

The positive electrode contact terminal plate 4 shown in the first embodiment comprises a conductive portion 5 that contacts the positive electrode terminal 3, an electrically insulating portion 9 and a conductive leg portion 8. The conductive portion 5 and the conductive leg portion 8 are provided.
And are insulated by the interposition of the electrically insulating portion 9. Therefore, the leg 8a of the conduction leg portion 8 and the leg 7a of the negative electrode contact terminal plate 7 are
Even if the battery main body 1 is inserted into the fixed through hole of the printed wiring board and the positive electrode contact terminal plate 4 and the negative electrode contact terminal plate 7 are attached, the battery main body 1 is attached to the printed wiring board in an insulated state. Will be. And leg 8a
Even if is fixed by soldering by passing through the solder bath of the printed wiring board, there is no risk of destroying electronic parts without applying unnecessary voltage or current to other electronic parts mounted on the printed wiring board. .

After the printed wiring board passes through the solder bath and the battery power supply device and other electronic components mounted on the printed wiring board are fixed by soldering, the conductive portion 5 and the conductive leg portion 8 of the positive electrode contact terminal plate 4 are connected. By conducting soldering by, for example, fixing solder to the opening 9a, it is possible to apply a desired voltage and a current from the battery main body 1 to the electronic components mounted on the printed wiring board. The conduction between the conductive portion 5 of the positive electrode contact terminal plate 4 and the conduction leg portion 8 may be achieved by fixing a conductor such as a conductive wire or a pin between both without using solder. Further, the negative electrode contact terminal plate may have the same configuration as the positive electrode contact terminal plate 4.

(Embodiment 2) In FIG. 2, reference numeral 21 denotes a battery main body, which is covered with peripheral parts of the side surface and the upper and lower surfaces by an exterior body 22 such as an insulating tube. A positive electrode contact terminal plate 24 is in contact with the positive electrode terminal 23 of the battery body 21, and a negative electrode contact terminal plate 26 is fixed to the negative electrode bottom plate 25 of the battery body 21. Reference numeral 27 denotes a fixing plate which is fixed to the negative electrode contact terminal plate 26 by inserting a leg 27a into a fixing through hole of the printed wiring board with a gap G therebetween. They are facing each other.

Although the negative electrode contact terminal plate 26 shown in the second embodiment is in contact with and fixed to the negative electrode bottom plate 25 of the battery body 21,
The fixed plate 27, which is inserted into the fixed through hole of the printed wiring board, faces the fixed plate 27 with a gap G therebetween. Therefore, the fixing plate 27 is not electrically connected to the negative electrode of the battery body 21. Therefore, even if the leg 24a of the positive electrode contact terminal plate 24 is inserted into the through hole of the printed wiring board, neither voltage application nor current from the battery main body 21 is applied to the conductive portion of the printed wiring board, that is, other electronic components. That is, even if the battery power supply device according to the second embodiment is mounted on the printed wiring board, other electronic components are mounted and passed through the solder bath, and solder fixation is performed, unnecessary voltage application and current flow to the electronic components are prevented. There is no fear of destruction. When supplying a current to an electronic component, if the contact piece 26a of the negative electrode contact terminal plate 26 is fixed to the contact piece 27b of the fixed plate 27 by soldering after the solder is fixed in the solder bath, the fixed plate 27 is electrically connected to the negative electrode contact terminal plate 26. However, a desired current can be passed through the electronic components mounted on the printed wiring board.

The fixed plate 27 and the negative electrode contact terminal plate 26 are not insulated from each other only by the gap G, but the surface of the fixed plate 27 facing the negative electrode contact terminal plate 26 may be coated with an insulating coating. Further, the configuration of the negative electrode contact terminal may be the configuration of the positive electrode side terminal.

[0021]

As is apparent from the above description, the battery power supply device according to the present invention has a simple structure and can be mounted on a printed wiring board and passed through a solder bath to fix the legs of the contact terminal plate with solder. At that stage, without applying unnecessary voltage or overcurrent to the electronic components mounted on the printed wiring board to destroy them, supply the desired voltage or current of the battery to the electronic components of the printed wiring board after fixing the solder. Is something that can be done.

[Brief description of drawings]

FIG. 1 shows a battery power supply device according to a first embodiment of the present invention. (A) is a front view thereof (b) is a right side view thereof (c) is a left side view thereof (d) is the same positive electrode contact terminal plate Perspective view of main parts

FIG. 2 shows a battery power supply device according to a second embodiment of the present invention. (A) is a front view thereof (b) is a right side view thereof (c) is a left side view thereof (d) is a negative electrode contact terminal plate thereof Perspective view of main parts

FIG. 3 shows a battery power supply device of a conventional example, in which (a) is a front view thereof, (b) is a right side view thereof, and (c) is a left side view thereof.

[Explanation of symbols]

 1,21,31 Battery main body 3,23,33 Positive electrode terminal 4,24,35 Positive electrode contact terminal plate 5 Conductive part 6,25,34 Negative electrode bottom plate 7,26,36 Negative electrode contact terminal plate 8 Conductive leg part 9 Electrically insulating part 9a opening 27 fixing plate G spacing

Claims (4)

[Claims] 1. A battery main body, a positive electrode contact terminal plate that contacts a positive electrode of the battery main body, and a negative electrode contact terminal plate that contacts a negative electrode of the battery body, the positive electrode contact terminal plate or the negative electrode contact terminal plate. One or both of the contact terminal plates, a conductive portion that contacts the positive or negative electrode of the battery body,
A conductive leg portion insulated from the conductive portion by interposing an electrically insulating portion, and the leg of the conductive leg portion is inserted into a fixed through hole of a printed wiring board, and the leg of the conductive leg portion is inserted. A battery power supply device having a structure in which a conductive portion of the terminal board and a conductive leg portion are electrically connected to each other after being soldered to a conductive wire of a printed wiring board. 2. The battery power supply device according to claim 1, wherein an opening is provided in the electrically insulating portion, and solder is fixed to the opening to electrically connect the conductive portion and the conductive leg portion. 3. A positive electrode contact terminal plate or a negative electrode contact terminal plate, comprising a battery main body, a positive electrode contact terminal plate contacting a positive electrode of the battery main body, and a negative electrode contact terminal plate contacting a negative electrode of the battery body. One or both of the contact terminal plates face a fixed plate that does not conduct with a gap therebetween, and a conductive leg portion is formed on the fixed plate, and the leg of the conductive leg portion is connected to the printed wiring board. A battery power supply device configured to be inserted into a fixed through hole, solder the leg of the conductive leg portion to a conductive wire of a printed wiring board, and then conduct the contact terminal plate to a fixed plate facing each other. 4. The battery power supply device according to claim 3, wherein at least a surface of the fixed plate facing the contact terminal plate is provided with an electric insulating coating.