JP2003194848A - Measuring terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the problem of a conventional measuring terminal being difficult to attach to a battery because of its structure designed to be secured to the battery with bolts and nuts. <P>SOLUTION: The measuring terminal comprises a top face part 11, a pair of side face parts 12 hanging from both sides of the top face part 11, and raised projecting pieces 13 formed on the pair of side face parts 12. The raised projecting pieces 13 engage a conductor strip 20 upon insertion of the conductor strip 20 between the pair of side face parts 12, thereby preventing the measuring terminal 1 from dropping off the conductor strip 20, and electrically connecting the measuring terminal 1 to the conductor strip 20. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measuring terminal used for measuring the voltage or internal resistance of a battery, for example.

[0002]

2. Description of the Related Art For example, a large number of batteries used as an emergency power source are connected in series and parallel, and are connected in parallel to a power source for use. This battery cannot, in principle, be disconnected when the power supply is running. On the other hand, the battery connected to the power supply measures the voltage and internal resistance regularly, etc.
It is necessary to check whether it can be used as an emergency power supply.

Therefore, conventionally, the measuring terminals are fixed to the individual batteries, the lead wires are connected to the measuring terminals, and the wiring work is carried out in advance when the batteries are installed to prepare for the subsequent measuring work. .

The conventional measuring terminal has a structure in which it is fixed to the battery with bolts and nuts, and the measuring terminal and the lead wire are crimped and connected so that the measuring terminal and the lead wire cannot be separated. It was

[0005]

However, as described above, it is troublesome and expensive to perform wiring work for battery inspection in advance when installing the battery.

Therefore, it is conceivable that the wiring work for the battery inspection is not carried out in advance when the battery is installed, but the lead wire is connected to the battery to perform the measurement work when necessary.

However, the conventional measuring terminal has a structure in which it is fixed to the battery with bolts and nuts and the like, and there is a problem that the work for connecting to the battery is very troublesome.

[0008]

DISCLOSURE OF THE INVENTION The present invention provides a measuring terminal which solves the above-mentioned problems, and its constitution is a top surface portion and a pair of side surface portions hanging from both sides of the top surface portion.
The cut-and-raised protrusions are formed on the pair of side-face portions, and the cut-and-raised protrusions engage the strip-shaped conductors when the strip-shaped conductors are inserted between the pair of side-face portions, whereby the measurement terminals are provided. Is prevented from coming off from the strip-shaped conductor, and the measuring terminal and the strip-shaped conductor are electrically connected.

As described above, the cut-and-raised protrusions are provided on the pair of side surface portions hanging from both sides of the top surface portion, and the measurement terminals and the strip-shaped conductors are mechanically and electrically connected by using the cut-and-raised protrusions. Connection, the measurement terminal can be easily connected to the battery side.

Further, in the measuring terminal according to the present invention, the cut-and-raised protruding piece prevents the measuring terminal from coming off from the strip-shaped conductor, and the cut-and-raised protruding piece electrically connects the measuring terminal to the strip-shaped conductor. It is characterized by having a raised protrusion.

As described above, when the cut-and-raised protrusion is composed of the cut-and-raised protrusion for preventing slip-out and the cut-and-raised protrusion for electrical connection, it is possible to reliably prevent the measuring terminal from slipping out of the strip conductor. In addition, the measurement terminal can be reliably and electrically connected to the strip conductor.

Further, the measuring terminal according to the present invention is characterized in that a bolt insertion hole is formed in the top surface portion and the bolt is inserted into the bolt insertion hole.

As described above, when the measuring terminal having the bolt insertion hole formed in the top surface portion and the bolt inserted in the bolt insertion hole is used, after the strip-shaped conductor is inserted between the pair of side surface portions. By pushing the bolt toward the strip conductor, the mechanical and electrical connection between the cut-and-raised protrusion and the strip conductor can be strengthened.

The measuring terminal according to the present invention is characterized in that a strip-shaped conductor insertion groove is formed on the lower surface of the top surface portion.

As described above, by forming the strip-shaped conductor insertion groove on the lower surface of the top surface portion, the strip-shaped conductor inserted between the pair of side surface portions is inserted into the strip-shaped conductor insertion groove to cut and raise the protruding piece and the strip-shaped conductor. Mechanical and electrical connection with the conductor can be strengthened.

Further, the measuring terminal according to the present invention is characterized in that a terminal piece is provided on the top surface portion or the side surface portion.

As described above, by providing the terminal piece in a protruding manner, the lead wire can be easily connected using the terminal piece.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the drawings. 1A and 1B show the first embodiment of the present invention. (A) shows the front and (B) shows the side. The measuring terminal 1 has a substantially inverted U shape as a whole, and has a top surface portion 11, a pair of side surface portions 12 hanging from both sides of the top surface portion, and a cut-and-raised portion formed on the pair of side surface portions 12. It consists of the protrusion 13.

The top surface portion 11 and the pair of side surface portions 12 hanging from both sides of the top surface portion are formed by bending a metal plate. As the metal plate, phosphor bronze or the like having spring property is preferable. The lower portions of the pair of side surface portions 12 are bent in a V shape and are formed to be narrower than the width of a belt-shaped conductor described later, and the belt-shaped conductor is sandwiched between the pair of side surface portions 12.

The pair of side surface portions 12 is not limited to a shape in which the lower side is bent in a "dogleg" shape.
For example, the lower side of the pair of side surface portions 12 may be bent into a "J" shape, or the lower side of one side surface portion 12 may be bent into a "<" shape and the lower side side of the other side surface portion 12 may be bent into a "J" shape. It may be folded into a mold.

The cut-and-raised protrusion 13 is formed by cutting out a part of the side surface portion 12. In the example, "ku"
Two sides of the triangle are cut out based on the position bent into a letter shape, and the cut-out triangular top portions 13A are positioned inside the pair of side surface portions 12 so as to face the top surface portion 11 side.
The shape of the cut-and-raised protrusion 13 is not limited to a shape in which two sides of a triangle are cut out, and may be formed by cutting out three sides of a quadrangle, preferably a trapezoid. Further, the number of cut-and-raised protrusions 13 is also appropriately selected.

As shown in FIG. 2, the measuring terminal having the above structure is used by sandwiching the strip-shaped conductor 20 between the pair of side surface portions 12. That is, the band-shaped conductor 20 is connected to the terminals of the battery to connect between the batteries, and the band-shaped conductor 20 is sandwiched between the pair of side surface portions 12. In this way, the strip conductor 20
When sandwiched between a pair of side surface portions 12, the cut-and-raised protrusion 1
The top portion 13A of 3 is engaged with the belt-shaped conductor 20, and the measuring terminal 1
And the strip conductor 20 are mechanically and electrically connected.

FIG. 3 shows another embodiment of the present invention, in which (a) shows the front, (b) shows the back, and (c) shows the side. The difference from the above-described embodiment is that the cut-and-raised protruding piece 13 formed on one side surface portion 12 is formed by bending the lower side of the one side surface portion 12 into a "J" shape, and the bent tip has a triangular shape. Is formed with a top portion 13A, and one side surface portion 12 whose lower side is bent in a "J" shape
This is the point where the strip-shaped cut-and-raised protrusion 13-2 is formed.
The strip-shaped cut-and-raised protrusions 13-2 are positioned inside the pair of side surface portions 12 by being bent in a substantially L shape.

As shown in FIG. 4, the measuring terminal having the above structure is used by sandwiching the strip-shaped conductor 20 between the pair of side surface portions 12. When the strip-shaped conductor 20 is sandwiched between the pair of side surface portions 12, the measurement terminal is cut. The top portion 13A of the raised protrusion 13 is the strip-shaped conductor 20.
And the cut-and-raised protrusion 13 mainly plays a role of preventing the measuring terminal from coming out of the strip-shaped conductor, while the strip-shaped cut-and-raised protrusion 13-2 comes into surface contact with the strip-shaped conductor 20, The cut-and-raised protrusion 13-2 mainly serves to electrically connect the measuring terminal to the strip-shaped conductor. By forming the cut-and-raised protrusion 13-2 in this manner, there is an effect that the electrical connection between the measurement terminal and the band-shaped conductor can be reliably performed.

The cut-and-raised protrusions 13-2 may be formed on both side surface portions 12. Cut and raised piece 13-
The shape and number of 2 are not particularly limited, and may be any shape and number that allows the measurement terminal to be electrically and reliably connected to the strip conductor.

FIG. 5 shows still another embodiment of the present invention. The difference from the embodiment shown in FIG.
A bolt insertion hole 11A is formed in the bolt insertion hole 11A, and the bolt 30 is passed through the bolt insertion hole 11A. The bolt insertion hole 11A is provided in a substantially central portion of the top surface portion 11 in the width direction.

As described above, when the bolt insertion hole 11A is formed in the top surface portion 11 and the bolt 30 is inserted in the bolt insertion hole 11A, when the measurement terminal is used, as shown in FIG.
As shown in FIG. 5, after inserting the strip-shaped conductor 20 between the pair of side surface portions 12, one of the cut-and-raised protrusions 13 bites into the strip-shaped conductor 20 by pushing the bolt 30 toward the side surface of the strip-shaped conductor. The measurement terminal 1 and the strip conductor 20 are mechanically firmly connected to each other, and the other cut-and-raised protrusion 13 and the lower portion of the side surface portion 12 are in surface contact with the strip conductor 20, so that the measurement terminal 1 and the strip conductor 20 are connected to each other. The electrical connection of is improved.

FIG. 7 shows still another embodiment of the present invention. The difference from the embodiment shown in FIG.
That is, the strip-shaped conductor insertion groove 40 is formed on the lower surface of the. The strip-shaped conductor insertion groove 40 is provided on one side surface side in the width direction of the top surface portion 11. The strip-shaped conductor insertion groove 40 may be provided on both side surfaces of the top surface portion 11 in the width direction. The width of the strip-shaped conductor insertion groove 40 is slightly larger than the thickness of the strip-shaped conductor 20.

As described above, when the strip-shaped conductor insertion groove 40 is formed on the lower surface of the top surface portion 11, the strip-shaped conductor 20 inserted between the pair of side surface portions 12 is inserted into the strip-shaped conductor insertion groove 40, whereby the above-described embodiment is carried out. Similar to the form, one cut-and-raised protrusion 13 bites into the strip-shaped conductor 20 to mechanically and firmly connect the measurement terminal 1 and the strip-shaped conductor 20, and the other cut-and-raised protrusion 13 and the side surface portion 12 The strip-shaped conductor 20 is below
By making surface contact with the measurement terminal 1, the electrical connection between the measurement terminal 1 and the strip conductor 20 is improved.

FIG. 8 shows still another embodiment of the measuring terminal according to the present invention. What is different from the embodiment shown in FIG. 5 is that the terminal piece 50 is projected from the side surface portion 12. .
The terminal piece 50 of the embodiment has a male terminal shape.

As described above, when the terminal piece 50 is provided so as to project, the lead wire can be easily connected using the terminal piece 50. That is, by connecting the female terminal to the lead wire and inserting and connecting the female terminal to the terminal piece 50, the lead wire can be easily connected.

The positions where the terminal pieces 50 are provided, the number of the terminal pieces 50, and the shape thereof are not particularly limited. For example, the position at which the terminal piece 50 is provided is the top surface portion 11 or the side surface portion 12.
May be on both sides, or the number may be plural. Further, the terminal piece 50 may be formed by cutting and raising a part of the side surface portion 12.
Further, the terminal piece 50 may be a female type. Further, when the terminal piece 50 and the terminal of the lead wire are connected, it is preferable to provide a fitting portion for both to prevent the two from coming off. Further, the structure of the terminal provided with the terminal piece 50 may be the terminal shown in FIG. 1 or the terminal shown in FIG.

In the measuring terminal having the strip-shaped cut-and-raised protrusion 13-2 shown in FIGS. 3 and 4, a bolt insertion hole 11A is formed in the top surface portion 11 as shown in FIG. At the same time, a structure in which the bolt 3 is inserted into the bolt insertion hole 11A may be added, or, as shown in FIG. 7, a structure in which the strip-shaped conductor insertion groove 40 is formed on the lower surface of the top surface portion 11 may be added. Further, a configuration in which the terminal piece 50 is provided so as to project from the side surface portion 12 as shown in FIG. 8 may be added. And
The measurement terminal described in each of the above-described embodiments is engaged in advance with a strip-shaped conductor connecting between storage batteries, and then a lead wire is connected to this terminal to measure the storage battery voltage and internal resistance.

[0034]

As described above, the measuring terminal according to the present invention has a top surface portion, a pair of side surface portions hanging from both sides of the top surface portion, and a cut-and-raised protrusion formed on the pair of side surface portions. The cut-and-raised protruding piece engages with the strip-shaped conductor when the strip-shaped conductor is inserted between the pair of side surface portions, thereby preventing the measuring terminal from coming off the strip-shaped conductor and for measuring. Since the terminal and the strip conductor are electrically connected, the measuring terminal can be easily connected to the battery side.

Further, in the measuring terminal according to the present invention, since the cut-and-raised protruding piece is composed of the cut-and-raised protruding piece for preventing slip-out and the cut-and-raised protruding piece for electrical connection, the measuring terminal is made of the strip-shaped conductor. It is possible to reliably prevent it from coming off, and it is possible to reliably electrically connect the measuring terminal to the belt-shaped conductor.

The measuring terminal according to the present invention is characterized in that the bolt insertion hole is formed in the top surface portion and the bolt is inserted in the bolt insertion hole.
The mechanical connection and the electrical connection between the measuring terminal and the strip conductor can be strengthened.

Further, in the measuring terminal according to the present invention, since the strip-shaped conductor insertion groove is formed on the lower surface of the top surface portion, the mechanical connection and the electrical connection between the measuring terminal and the strip-shaped conductor can be strengthened. it can.

Further, in the measuring terminal according to the present invention, since the terminal piece is provided on the top surface portion or the side surface portion hanging from both sides of the top surface portion, the lead wire can be easily utilized by using the terminal piece. Can be connected.

[Brief description of drawings]

FIG. 1 shows an embodiment of a measuring terminal according to the present invention, in which (a) is a front view and (b) is a side view.

2 is a side view of the measuring terminal of FIG. 1 in use.

FIG. 3 shows another embodiment of the measuring terminal according to the present invention, in which (a) is a front view, (b) is a rear view, and (c) is a side view.

4 is a side view of the measuring terminal of FIG. 3 in use.

FIG. 5 is a perspective view showing another embodiment of the measuring terminal according to the present invention.

6 is an explanatory view of a usage state of the measuring terminal of FIG.

FIG. 7 is a side view showing another embodiment of the measuring terminal according to the present invention.

FIG. 8 is a perspective view showing another embodiment of the measuring terminal according to the present invention.

[Explanation of symbols]

1 Measuring terminal 11 Top 12 Sides 13, 13-2 Cut and raised pieces 20 strip conductors 30 volts 40 band conductor insertion groove 50 terminal strip

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yuichi Watakabe             597 Uehara, Izawa, Imaichi, Tochigi Prefecture Furukawa Battery Co., Ltd.             Ceremony company Imaichi office (72) Inventor Isao Ichihara             7-6 Tsukisamu Chuodori, Toyohira-ku, Sapporo-shi, Hokkaido             No. 20 JA Tsukikan Central Building Docomo Engineering             Alling Hokkaido Co., Ltd. F term (reference) 2G011 AA04 AB01 AE00 AF07

Claims (5)

[Claims] 1. A top surface portion, a pair of side surface portions hanging from both sides of the top surface portion, and cut-and-raised protrusions formed on the pair of side-surface portions. When the strip-shaped conductor is inserted between the side surface portions, engages with the strip-shaped conductor,
This prevents the measurement terminal from coming off from the strip conductor, and electrically connects the measurement terminal and the strip conductor. 2. The cut-and-raised protrusion includes a cut-and-raised protrusion that prevents the measuring terminal from coming off from the strip-shaped conductor, and a cut-and-raised protrusion that electrically connects the measuring terminal to the strip-shaped conductor. The measuring terminal according to claim 1, wherein: 3. The measurement terminal according to claim 1, wherein a bolt insertion hole is formed in the top surface portion, and the bolt is inserted in the bolt insertion hole. 4. The measuring terminal according to claim 1, wherein a strip-shaped conductor insertion groove is formed on the lower surface of the top surface portion. 5. The measuring terminal according to claim 1, wherein a terminal piece is provided on a top surface portion or a side surface portion.