JPS596609Y2 - Fuse inspection device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a fuse disconnection inspection device in a fuse panel in which a plurality of fuses, particularly blade-type fuses, are collectively installed in vehicles such as automobiles and motorcycles.

Since the blade-type fuses are small, a large number of them can be installed in a fuse panel, but due to their structure, it is difficult to check the quality of the fuses while they are installed.

Therefore, to inspect the fuses, you must pull them out one by one and visually inspect them.

However, in the case of a fuse board with a large number of fuses mounted close to each other, the fuses are extremely difficult to pinch.

In view of the above points, the purpose of this proposal is to facilitate inspection of fuses by preparing a pull-out tool for removing the fuse and providing the tool with a fuse inspection function.

The structure of the embodiment shown in the drawings will be explained below.

In FIG. 1, reference numeral 1 denotes a fuse board having an opening/closing lid 2, in which a large number of insertion holes 4 for blade-type fuses 3 (shown in FIG. 2) are lined up.

A pair of cylindrical fuse holders 51.5 are located at the back of each insertion hole 4.
As shown in FIG. 5, one holder 51 is connected to the power source 6, and the other holder 52 is connected to the load 7.

There is a groove 8 along the side of the fuse insertion hole 4 on the surface of the fuse panel 1, and an inspection terminal 9 connected to the holder 52 on the load side of each fuse holder is attached to the bottom of the groove 8. ing.

The terminal 9 is preferably provided integrally with the side surface of the load side holder 52 as shown in the second figure.

Reference numeral 10 shown in FIGS. 3 and 4 is a pull-out fixture provided in the fuse panel 1, with a head 31 of the blade-type fuse 3 at one end.
It has a pinch shape with jaws 101 and 102 that hold it in its mouth.

Reference numeral 103 denotes a flexible connecting portion that also serves as an opening/closing shaft for the jaws 101 and 102.

An inspection terminal 11 corresponding to the inspection terminal 9 of the fuse panel 1 is attached to the tip of an arm 104 extending in the opposite direction from the jaws 101 and 102 of the extraction jig 10.

A light emitting diode 12 and a resistor 13 connected in series to the inspection terminal 11 are attached to appropriate positions on the extraction jig 10, and the resistor 13 is connected to the ground terminal 15 of the fuse panel 1 via a lead wire 14. There is.

The above-mentioned inspection terminal 11, light emitting diode 12, resistor 13, etc. can be embedded when the extraction jig 10 is integrally formed with resin.

The fuse extraction jig 10 is inserted into a hole 16 formed in a part of the fuse panel 1 and stored as shown in FIG.

The fuse extraction jig 10 is taken out from the hole 16, and the tip of the arm 104 of the jig 10 is inserted into the groove 8 of the fuse board 1 to bring the terminals 9 and 11 into contact.

If the fuse 3 connected to the terminal 9 is not disconnected,
Current flows from terminal 9 → terminal 11 → light emitting diode 12 → resistor 1
3 → flows to the ground terminal 15 and lights up the light emitting diode 12, indicating that the fuse 3 is normal.

Next, the extraction jig 10 is slid along the groove 8 to bring the inspection terminal 11 into contact with the inspection terminal 9 of the next fuse.

If the fuse is blown, the light emitting diode 12 will not light up, indicating that the fuse is broken.

Then, pull out the pull-out fitting 10 from the groove 8, and pull out the jaw 10.
1, 102, hold the head 31 of the broken fuse 3 in your mouth, pinch and pull the jig 10, and the fuse 3 will come out.

In the above embodiment, the light emitting diode 12 was used as an indicator for indicating whether or not the fuse is broken, but an extremely small light bulb may also be used.

As described above, in this case, each fuse holder of the fuse board 1 in which a plurality of fuses 3 are collectively installed is provided with an inspection terminal 9 that communicates with the holder 52 on the load side, and The structure includes a pulling jig 10 for removing the fuse, and the fixture 10 is provided with an inspection terminal 11 that is brought into contact with an inspection terminal 9 of a fuse panel 1, and a fuse disconnection indicator 12 connected to the terminal 11. It is a precept.

That is, extraction jig 1 for facilitating the removal of the fuse.
0 with a fuse inspection function,
There is no need to separately prepare a fuse inspection device, and the fuse can be inspected using the fuse extraction jig 10.

If you find that the wire is broken, immediately use the jig 10.
It is convenient to be able to remove the fuse.

The grounding lead wire 14 connected to the fuse disconnection indicator 12 of the fuse extraction jig 10 has the effect of preventing loss of the sleeping gear 10.

[Brief explanation of the drawing]

Figure 1 is a front view of a fuse panel equipped with the proposed device, Figure 2 is an oblique view of a fuse and its holder, Figure 3 is a partially vertical front view of a fuse extraction jig, and Figure 4 is a front view of the fuse extraction jig. The side view and FIG. 5 are electrical circuit diagrams showing the state of use. 1 is a fuse panel, 2 is a lid, 3 is a fuse, 4 is a fuse insertion hole, 51 and 52 are fuse holders, 9 is an inspection terminal leading to the load side holder, 10 is a fuse extraction jig,
11 is a check terminal, and 12 is a fuse disconnection indicator.

Claims (1)

[Scope of utility model registration request] In a fuse panel in which a plurality of blade-type fuses are installed collectively through fuse holders, and the fuses can be extracted using a extraction jig having jaws that hold the heads of the blade-type fuses, for each fuse holder, An inspection terminal leading to the fuse holder is provided, and an inspection terminal corresponding to the inspection terminal of the fuse board is installed on the opposite side of the fuse extraction jig, and the fuse connected to the inspection terminal is attached to the fuse extraction jig. A fuse inspection device that is equipped with a fuse breakage indicator and connects the fuse breakage indicator to the ground terminal on the fuse panel with a lead wire.