JPH07153341A - Electronic apparatus - Google Patents

Abstract

PURPOSE:To easily install an arrester which protects electronic circuit components and others from abnormal voltage such as lightning surge, reduce working man-hour, and enhance working efficiency. CONSTITUTION:An arrester 10 is combined with an insulating plate 15, a terminal plate 16, and a grand plate 19, then mounted on a terminal stand 8 which is installed on the inside of a cabinet 1. The working man-hour requested to mount the arrester to the terminal stand is reduced and working efficiency is enhanced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device which can be equipped with a lightning arrester for protecting electronic circuit parts and the like from abnormal voltage such as lightning surge by an easy operation.

[0002]

7a and 7b are a front view and a side view of a conventional electronic device, and FIG. 8 is a mounting view of a conventional lightning arrester. In FIG. 7, 1 is a cabinet, 2a to 2e are electronic circuit components 3.
A printed circuit board having a connector 4 mounted thereon, and 5 a mother board holding the printed circuit board by the connector 6,
7 is input / output wiring to the mother board, 8 is a terminal block provided with wiring fixing screws 9, 10 is a lightning arrester provided with a lead wire 11, 12 is a lug terminal crimped to the lead wire, and 13 is a fixed lug terminal 12. 2 shows a ground bar which is equipped with a ground bar fixing screw 14 and which is fixed to the screw of the terminal block.

Conventional electronic equipment is constructed as described above,
The lightning arrester 10 in which the lug terminal 12 is crimped to the lead wire 11 is fixed to the terminal block 8 with the wiring fixing screw 9, and further fixed to the ground bar 13 with the ground bar fixing screw 14.
Therefore, when an abnormal voltage such as a lightning surge enters from the external wiring, the electronic circuit component 3 is protected by the lightning arrester 10 at the terminal block 8.

[0004]

Since the conventional electronic device is constructed as described above, the work of crimping the lug terminal for attaching the lightning arrester, the work of screwing the terminal block, and the work of screwing the ground plate are performed. This will increase the number of work steps. Further, when the space around the arrester is narrow, there is a problem that workability is deteriorated.

The present invention has been made to solve the above problems, and an object of the present invention is to reduce the number of work steps for mounting a lightning arrester and improve workability.

[0006]

An electronic apparatus according to the present invention is a terminal plate fixed to an insulating plate with screws, and a ground plate to which a lead wire of a lightning arrester is attached by soldering. It makes the work easier.

An electronic device according to the present invention is a device in which a terminal plate fixed to an insulating plate by rivets and a lead plate of a lightning arrester attached to a ground plate by soldering are attached to a terminal block to facilitate work. Is.

In the electronic device according to the present invention, the terminal plate fixed to the insulating plate by rivets and the lead wire of the lightning arrester attached to the ground plate by lug terminals are attached to the terminal block to facilitate the work. To do.

[0009]

In the electronic device according to the present invention, the terminal plate fixed to the insulating plate by the screw and the lead plate of the lightning arrester attached to the ground plate by soldering are attached to the terminal block to reduce the number of work steps. Improve workability.

Further, in the electronic device according to the present invention, the number of work steps for attaching the terminal plate fixed to the insulating plate by the rivet and the lead wire of the arrester to the ground plate by soldering is reduced. And improve workability.

Further, in the electronic equipment according to the present invention, the terminal plate fixed to the insulating plate by the rivet, and the lead plate of the lightning arrester attached to the ground plate by the rivet by the lug terminal are attached to the terminal block, so that the number of working steps is reduced. Reduce and improve workability.

[0012]

【Example】

Example 1. An embodiment of the present invention will be described below with reference to the drawings. 1a and 1b are front and side views of an electronic device according to the present invention, FIG. 2 is a mounting view of a lightning arrester according to the present invention, and 1 to 11 are the same as the conventional device. 15
Is an insulating plate located above the terminal block 8, 16 is an insulating plate 15
A terminal board fixed to the wiring board fixing screw 9 of the terminal block 8 by a terminal board fixing screw 17; a terminal board solder hole 18 for fixing the lead wire 11 of the lightning arrester 10 by soldering; and an insulating board 15 Is a ground plate fixed by the ground plate fixing screw 20 and attached to the wiring fixing screw 9 of the terminal block 8, and 21 is a ground plate solder hole for fixing the lead wire 11 of the lightning arrester 10 by soldering. Lightning arrester 1
0, insulating plate 15, ground plate 19 to terminal plate fixing screw 1
7, the ground plate fixing screw 20 and the soldering are applied to the wiring fixing screw 9 of the terminal block 8 after assembling outside the cabinet 1, so that the number of working steps can be reduced and the workability can be improved.

Example 2. 3a and 3b are a front view and a side view of another embodiment, and FIG. 4 is a mounting view of a lightning arrester. In the figure, the same reference numerals indicate the same functions as those of the conventional example and the first example. Reference numeral 22 denotes a terminal plate fixing rivet for fixing the terminal plate 16 to the insulating plate 15, and 23 denotes a ground plate fixing rivet for fixing the ground plate 19 to the insulating plate 15. Lightning arrester 10,
Insulating plate 15 and ground plate 19 are used as terminal plate fixing rivets 2
2. The rivet 23 for fixing the ground plate and soldering are used to assemble it outside the cabinet 1 and then attached to the screw 9 for fixing the wiring of the terminal block 8. Therefore, the number of working steps is reduced and the workability is improved.

Example 3. 5a and 5b are a front view and a side view of another embodiment, and FIG. 6 is a mounting view of a lightning arrester. In the figure, the same reference numerals indicate the same functions as those of the conventional and first and second embodiments. Reference numeral 24 denotes a lug terminal fixing rivet for fixing the lug terminal 12 crimped to the lead wire 11 of the lightning arrester 10 to the insulating plate 15 and the ground plate 19. After assembling the lightning arrester 10, the insulating plate 15, and the ground plate 19 with the rivet 22 for fixing the terminal plate, the rivet 23 for fixing the ground plate and the rivet 24 for fixing the lug terminal outside the cabinet 1, the screw 9 for fixing the wiring of the terminal block 8 Since it is attached to the, the work man-hour is reduced and the workability is improved.

[0015]

As described above, according to the present invention, the lightning arrester, the insulating plate, and the ground plate are assembled on the outside of the cabinet and then attached to the wiring fixing screw of the terminal block to reduce the number of working steps and improve the workability. Has the effect of improving.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an electronic device according to a first embodiment of the present invention.

FIG. 2 is a mounting view of the lightning arrester according to the first embodiment of the present invention.

FIG. 3 is a configuration diagram of an electronic device according to a second embodiment of the present invention.

FIG. 4 is a mounting view of a lightning arrester according to a second embodiment of the present invention.

FIG. 5 is a mounting view of an electronic device according to a third embodiment of the present invention.

FIG. 6 is a mounting view of a lightning arrester according to a third embodiment of the present invention.

FIG. 7 is a configuration diagram of a conventional electronic device.

FIG. 8 is a mounting view of a conventional lightning arrester.

[Explanation of symbols]

 1 Cabinet 2 Printed Circuit Board 3 Electronic Circuit Parts 4 Connector 5 Motherboard 6 Connector 7 Input and Output Wiring 8 Terminal Block 9 Wiring Fixing Screw 10 Lightning Arrester 11 Lead Wire 12 Lug Terminal 13 Ground Bar 14 Ground Bar Fixing Screw 15 Insulating Plate 16 Terminal Plate 17 Terminal plate fixing screw 18 Terminal plate solder hole 19 Ground plate 20 Ground plate fixing screw 21 Ground plate solder hole 22 Terminal plate fixing rivet 23 Ground plate fixing rivet 24 Lug terminal fixing rivet

Claims (3)

[Claims] 1. A cubic cabinet, a plurality of rectangular printed boards held inside the cabinet and having a connector on one side, electronic circuit components mounted on the printed board, and the printed board. Connect the above-mentioned motherboard to the motherboard, which is connected to the motherboard and a terminal block that is located on the lower surface of the cabinet and that relays the input and output wiring from the outside of the cabinet to the motherboard by fixing the input and output wiring to the motherboard with screws for fixing the wiring. Input / output wiring, a terminal plate fixed to the terminal block by the wiring fixing screw of the terminal block, a rectangular insulating plate holding the terminal plate by the terminal plate fixing screw, and a terminal plate of the terminal plate. A ground plate that is continuous on three sides other than the held side and is held on the insulating plate by a screw for fixing the ground plate, and the terminal plate. And an arrester having lead wires fixed to the ground plate by soldering. 2. A cube-shaped cabinet, a plurality of rectangular printed boards held inside the cabinet and having a connector on one side, electronic circuit components mounted on the printed board, and the printed board. Connect the mother board held by the connector, the terminal block located on the lower surface of the cabinet and relaying the input and output wiring from the outside of the cabinet to the mother board by fixing the input and output wiring to the mother board with the screw for fixing the wiring. Input / output wiring, a terminal plate fixed to the terminal block by the wiring fixing screw of the terminal block, and a rectangular insulating plate holding the terminal plate with terminal plate fixing rivets,
A ground plate that is continuous on three sides other than the held side of the terminal plate and is held on the insulating plate by a rivet for fixing the ground plate, and a lead wire is fixed to the terminal plate and the ground plate by soldering. An electronic device comprising a lightning arrester. 3. A cubic cabinet, a plurality of rectangular printed boards held inside the cabinet and having a connector on one side, electronic circuit components mounted on the printed board, and the printed board. Connect the above-mentioned motherboard to the motherboard, which is connected to the motherboard and a terminal block that is located on the lower surface of the cabinet and that relays the input and output wiring from the outside of the cabinet to the motherboard by fixing the input and output wiring to the motherboard with screws for fixing the wiring. Input / output wiring, a terminal plate fixed to the terminal block by the wiring fixing screw of the terminal block, a rectangular insulating plate holding the terminal plate with a terminal plate fixing rivet, and the terminal plate A ground plate that is continuous on three sides other than the held side, and is held on the insulating plate by a rivet for fixing the ground plate; An electronic device comprising a terminal board and a lightning arrester in which a lug terminal crimped to a lead wire on the ground board is fixed by a lug fixing rivet.