JPH11260445A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve space efficiency of a system, and to miniaturize the system, and also to facilitate wiring, by installing a junction terminal board having a plurality of junction terminals in a dead space of an apparatus body. SOLUTION: A junction terminal board 17 is installed on the left side of the front 2A of a case 2, integratedly with the case 2. The junction terminal board 17 has three steps of a terminal board row on the upper part, and also three steps of a terminal board row on the lower part, and the three steps of the terminal board row on the upper part are named A, B and C, and also the three steps of the terminal board row on the lower part are named D, E and F. Four terminal boards are arranged on each terminal board row on the upper part and on the lower part, respectively. The terminal boards A1-A4, B1-B4, C1-C4, D1-D4, E1-E4 and F1-F4, are in a conductive state, respectively. In this case, the junction terminal board 17, comprising plural terminal boards having junction terminals 22, is installed in a dead space on the front 2A of the case 2 of an apparatus body, thereby improving space efficiency.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stabilized DC power supply for converting a commercial power supply into a stable DC power supply, and an electronic device such as an inverter.

[0002]

2. Description of the Related Art As shown in FIG. 10, a large-sized electronic device having a small number of inputs and outputs, for example, a large-sized power supply device 60, often has irregularities on its front surface 60A. In addition, even if there is no unevenness, it often becomes an unnecessary space in the case 61.

In this power supply device 60, as shown in FIG. 11, a rail engaging portion 62 provided on the back side thereof is
It is detachably engaged with the N rail 63 and attached to the DIN rail 63. Further, a relay terminal block 64 for crossover wiring and branching is attached to the DIN rail 63 by detachably engaging a rail engaging portion 64A provided on the back side thereof.

[0006] The relay terminal block 64 is used for branching a power line as shown in FIG. In this case, two of the relay terminals 65 included in the relay terminal block 64 are connected to the DC output terminals 66 and 67 of the power supply device 60 via the wiring 68, and the other relay terminals 65 have sensors, Wiring 69 to peripheral devices 69, 70, 71 such as relays and timers
a, 70a, and 71a.

[0005]

However, conventional electronic devices are not preferable from the viewpoint of space efficiency. In particular, a large power supply device 60 and a large number of relay terminal blocks 6 are required.
In the case of a system requiring the number 4, there is a problem that an increase in the size of the system is inevitable.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has as its object to improve the space efficiency of the system and reduce the size of the system. An object of the present invention is to provide an electronic device that can be easily wired when a wiring connected to a terminal and an input line or an output line of a device main body are wired to the same device.

[0007]

In order to achieve the above object, an electronic device according to the present invention is characterized in that a relay terminal is provided in a dead space of the device main body.

[0008] With this configuration, when a system is constructed with this electronic device, the space efficiency of the system is improved,
The size of the system can be reduced, and when the wiring connected to the relay terminal and the input line or output line of the equipment body are wired to the same device, the position of the relay terminal and the input terminal or output terminal is Because they are so close together, wiring is easier.

In order to achieve the above object, an electronic device according to the present invention is characterized in that a relay terminal block having a plurality of relay terminals is provided in a dead space of the device main body.

[0010] With this configuration, when a system is formed with this electronic device, the space efficiency of the system is improved,
The size of the system can be reduced, and when the wiring connected to the relay terminal and the input line or output line of the equipment body are wired to the same device, the position of the relay terminal and the input terminal or output terminal is Because they are so close together, wiring is easier.

According to a third aspect of the present invention, there is provided an electronic device according to the second aspect of the present invention, wherein a base portion of the relay terminal block is attached to a case portion of the device main body. Integrated.

With this configuration, the same function and effect as those of the second aspect of the invention can be obtained.

According to a fourth aspect of the present invention, there is provided an electronic device according to the second aspect, wherein the relay terminal block is separate from the device main body. The relay terminal block is detachably fixed to the device main body by a fixing means.

According to this configuration, not only the same operation and effect as the operation and effect of the second aspect of the invention can be obtained, but also various relay terminal blocks required for the system can be attached to the device body.

According to a fifth aspect of the present invention, there is provided an electronic apparatus according to the first or second or third or fourth aspect of the present invention. Is a power supply main body.

With this configuration, when a system is constructed with this power supply, the space efficiency of the system is improved,
If the wiring connected to the relay terminal and the input or output line of the power supply device are wired to the same device, the position of the relay terminal and the input terminal or output terminal can be reduced. Because they are so close together, wiring is easier.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIGS. 1 to 6 show Embodiment 1 of a power supply device according to the present invention.

An electronic apparatus according to the present invention is a stabilized DC power supply for converting a commercial power supply into a stable DC power supply. The power supply device 1 includes a case 2 of the device main body. An AC power input terminal block 3 is positioned on the front upper portion 2A of the case 2 at the center upper portion thereof. DC power output terminal blocks 4 are provided. The AC power input terminal block 3 has AC input terminals L and N to which commercial power is connected and a ground terminal FG, and the DC power output terminal block 4 has a DC output terminal +
G, -G, + H, and -H.

As shown in FIG. 2, the AC power supply input terminal block 3 and the DC power supply output terminal block 4 are composed of a plurality of terminal block sections 5 provided with adjacent ones separated by insulating ribs 6.
A screw hole 8 is formed in a base 7 made of metal of the terminal block 5, and a connection terminal 9 is screwed into the screw hole 8. The connection terminal 9 has a configuration in which a square screw washer 11 is rotatably mounted on a terminal screw 10, and includes AC input terminals L and N, a ground terminal FG, and a DC output terminal + G, -G, + H, -H.

A relay terminal block 17 is provided on the left side of the front surface 2A of the case 2 so as to be integral with the case 2. This relay terminal block 17 has three rows of terminal blocks at the top and three rows at the bottom. The upper three stages of terminal blocks are denoted by A, B, and C, the lower three stages of terminal blocks are denoted by D, E, and F. The upper three stages of terminal blocks A, B, and C each have four terminals. The bases are arranged, and these four terminal bases are designated as 1, 2, 3, and 4, and the lower three terminal block rows D,
Four terminal blocks are arranged in each of E and F, and these four terminal blocks are designated as 1, 2, 3, and 4.

That is, the terminal row A in the upper three stages has A
1, A2, A3, and A4 terminal blocks, terminal row B has B1, B2, B3, and B4 terminal blocks, and terminal row C has terminal blocks C1, C2, C3, and C4. There is a department. Also, terminal rows D in the lower three stages include D1, D2, D3, D4.
, And a terminal row E includes E1, E2, E3,
There is a terminal block E4, and the terminal row F has F1, F2, F
3. There is a terminal block part of F4. And each terminal block part A1-
A4, B1 to B4, C1 to C4, D1 to D4, E1 to E
4, the base portion 20 made of metal of F1 to F4
As shown in FIG. 2, screw holes 21 are formed, and relay terminals 22 are screwed into these screw holes 21.

The terminal blocks A1 to A4 are in a conductive state, the terminal blocks B1 to B4 are in a conductive state, the terminal blocks C1 to C4 are in a conductive state, and the terminal blocks D1 to D4 are in a conductive state. Are electrically connected to each other, and the terminal block E1
E4 are in a conductive state with each other, and the terminal block portions F1 to F4 are in a conductive state with each other.

A rail engaging portion 27 is provided on the rear surface 2B of the case 2. As shown in FIG. 6, the rail engaging portion 27 has a rail insertion groove 28 formed on the rear surface 2B of the case 2 along the left-right direction. A rail engaging member is provided below the rail insertion groove 28. A sliding groove 29 is formed, and the left side of the rail engaging member sliding groove 29,
A sliding groove 30 having a U-shaped cross section is formed in the right side wall. Also, on the bottom surface of the rail engaging member sliding groove 29,
The projection 31 is positioned at equal intervals left and right from the center S.
L and 31R are provided.

The rail engaging member 32 is connected to the member main body 3.
Rail portions 33 are formed on the left and right edges of 2A, and the member body 32
A columnar portion 34 is formed at the center of A, and spring pieces 35L and 35R are formed in an inverted C-shape by being positioned on the left and right sides of columnar portion 34, respectively.
An engaging claw portion 36 protruding upward from the upper end surface portion of 2A is formed.

Then, the rail engaging member 32 is slidably inserted in the left and right rail portions 33 into the sliding groove portion 30 and attached to the rail engaging member sliding groove portion 29, and the left spring piece 35L is attached. The right spring piece 35R is slidably in contact with the left projection 31L and the right projection 31R, respectively.

Then, with the back side of the power supply 1 along the DIN rail 40, the outer surface of the engaging claw 36 is connected to the DIN rail 4.
By pressing the power supply device 1 against the DIN rail 40 by hitting the lower edge of the engaging claw 36, the outer surface of the engaging claw 36 has an inclined surface. After the conversion, the rail engaging member 32 is pushed down, and the spring pieces 35L, 35R are moved to the left and right protrusions 31L, 3L.
It is moved inward by 1R and stores the spring force.

When the rail engaging member 32 is pushed down as described above, the rail insertion groove 28 of the power supply device 1 is formed.
The DIN rail 40 is inserted into the. And the engaging claw 3
6 is engaged with the DIN rail 40. Thus, the power supply device 1 is mounted on the DIN rail 40.

The relay terminal block 17 is used for branching a power line. In this case, as shown in FIG. 4, the terminal block A4 is connected to the ground terminal FG of the AC power input terminal block 3 by a cable 12, the terminal block B4 is connected to the AC input terminal L by a cable 13, and The portion C4 is connected to the AC input terminal N by a cable 14, and the terminal block portions A4, B
4 and C4 are cables 15 connected to an AC-driven device (not shown).
a, 15b, and 15c. The terminal blocks A3, B3, and C3 are other AC-driven devices (not shown).
Are connected via cables 16a, 16b, 16c. The terminal blocks A2, B2, and C2 are connected to other AC-driven devices (not shown) via cables 18a, 18b, and 18c, and the terminal blocks A1, B1, and C1 are connected to other AC-driven devices (FIG. Cables (not shown) 19a, 19b, 19c
Connected via

The terminal block E4 is connected to the DC output terminals + G and + H of the DC power output block 4 by cables 23a and 23H.
b, and the terminal block F4 is connected to the DC output side terminals -G, -H of the DC power supply output terminal block 4 by cables 24a, 2H.
4b. The terminal blocks E4 and F4 are connected to a DC-driven device (not shown) via cables 25-1 and 25-2, and the terminal blocks E3 and F3 are connected to a cable 25-.
Other DC-driven devices via 3, 25-4 (not shown)
And terminal blocks E2 and F2 are connected to cables 25-5 and 25-6.
And the terminal block portions E1 and F1 are connected to other DC-driven devices (not shown) via cables 25-7 and 25-8, respectively. .

When the relay terminal block 17 is used for branching signals, the terminal blocks A1 to A4, B1 to B4, C1 to C4, and D1 to D4 in each of the terminal rows A to F.
D4, E1 to E4, and F1 to F4 are connected to devices (not shown) for transmitting and receiving signals via cables. That is,
As shown in FIG. 5, in the terminal row A, the terminal block portions A1, A
2, A2, and A4 are connected to devices (not shown) that transmit and receive signals via cables 26-1 to 26-4, and a terminal row F
In the above, cables 26-5 to 26- are connected to devices (not shown) for transmitting and receiving signals to and from the terminal blocks F1, F2, F2, and F4.
8.

As described above, a plurality of terminal blocks A1 to A4, B1 to B4, C1 to C4, D1 having the relay terminals 22 are provided in the dead space of the front surface 2A of the case 2 of the device main body.
Terminal block 1 composed of D1 to D4, E1 to E4, and F1 to F4
When the power supply device 1 is used to form a system, the space efficiency of the system is improved, the size of the system can be reduced, and the terminal block portions A1 to A4 of the relay terminal block 17 are provided. B1 to B4, C1 to C4, D1 to D
4, E1 to E4, F1 to F4, AC input side terminal L,
N, ground terminal FG, DC output side terminal + G, -G, +
H and -H are very close to each other.
-A4, B1-B4, C1-C4, D1-D4, E1-
E4, wiring connected to F1 to F4, and A
Input lines or output lines connected to the C input side terminals L and N, the ground terminal FG, and the DC output side terminals + G, -G, + H, and -H can be easily wired.

(Embodiment 2) FIGS. 7 and 8 show Embodiment 2 of the power supply device according to the present invention. In the second embodiment of the power supply device according to the present invention, the relay terminal block 17-1 is formed separately from the case 2. In other words, the relay terminal block 17-1 includes a block body 50, and the block body 50 has three stages of terminal blocks A1 to A3 at the top and three stages at the bottom.
A4, B1 to B4, C1 to C4, D1 to D4, E1 to E
4, F1 to F4, and these terminal block portions A1 to
A4, B1 to B4, C1 to C4, D1 to D4, E1 to E
4, screw holes 53 are formed in the base portion 52 made of metal F1 to F4, and a relay terminal 54 is screwed into these screw holes 53. The terminal blocks A1 to A4 are in a conductive state, the terminal blocks B1 to B4 are in a conductive state, the terminal blocks C1 to C4 are in a conductive state, and the terminal blocks D1 to D4 are in a conductive state. State, the terminal block portions E1 to E4 are in a conductive state with each other, and the terminal block portion F1
F4 are in a conductive state with each other.

The relay terminal block 17-1 is attached to the front surface 2A of the case 2 by fixing means such as screwing.

The power supply according to the second embodiment is used in the same manner as the power supply according to the first embodiment.

As described above, by providing the relay terminal block 17-1 in the dead space of the front surface 2A of the case 2 of the device main body, the space efficiency of the system can be improved when the system is assembled with the power supply device 1. The size of the system can be reduced, and the terminal blocks A1 to A4, B1 to B4, C1 to C4, D1 to D4, E
1 to E4, F1 to F4, AC input terminal L, N, ground terminal FG, DC output terminal + G, -G, + H, -H
And the terminal blocks A1 to A4,
B1 to B4, C1 to C4, D1 to D4, E1 to E4, F
1 to F4, the AC input side terminals L and N of the power supply device 1, the ground terminal FG, the DC output side terminal + G,
Input lines or output lines connected to -G, + H, and -H can be easily wired.

(Third Embodiment) FIG. 9 shows a third embodiment of the power supply device according to the present invention. The same components as those of the power supply device according to the second embodiment are denoted by the same reference numerals, and description thereof is omitted. In the third embodiment of the power supply device according to the present invention, the left and right relay terminal blocks 17-2 and 17-3 are formed separately from the case 2. That is, the relay terminal blocks 17-2 and 17-3 on the left and right sides are provided with a base body 50. The base body 50 has two stages at the upper part and two stages at the lower part (A1, A2), ( B1, B2), (C1, C2),
(D1, D2), and these terminal block portions (A
1, A2), (B1, B2), (C1, C2), (D
A screw hole 53 is formed in the base portion 52 made of the metal of (1, D2).
Are formed, and the relay terminals 54 are inserted into these screw holes 53.
Is screwed. The terminal block portions A1 and A2 are in a conductive state with each other, the terminal block portions B1 and B2 are in a conductive state with each other, and the terminal block portions C1 and C2 are in a conductive state with each other.
The terminal block portions D1 and D2 are in a conductive state with each other.

Then, the left and right relay terminal blocks 17-2,
Reference numeral 17-3 is attached to the front surface 2A of the case 2 by fixing means such as screwing.

The power supply according to the third embodiment is used in the same manner as the power supply according to the first embodiment.

As described above, a plurality of terminal blocks (A1, A2), (B1, B2), (C1,...) Having the relay terminal 54 are provided in the dead space of the front surface 2A of the case 2 of the device main body.
C2), a relay terminal block 17-2 composed of (D1, D2),
By providing 17-3, when a system is assembled with this power supply device 1, the space efficiency of this system is improved,
The system can be reduced in size, and the relay terminal block 1
7-2, 17-3 terminal block portions (A1, A2), (B1,
B2), (C1, C2), (D1, D2), AC input side terminals L, N, ground terminal FG, DC output side terminal +
Since the positions of G, -G, + H, and -H are very close,
Terminal block (A1, A2), (B1, B2), (C1, C
2), the wiring connected to (D1, D2) and the power supply 1
The input lines or output lines connected to the AC input side terminals L and N, the ground terminal FG, and the DC output side terminals + G, -G, + H and -H can be easily wired.

[0041]

As described above, according to the electronic device according to the present invention, when a system is formed with the electronic device, the space efficiency of the system is improved, and the size of the system can be reduced. If the wiring connected to the terminal block of the relay terminal block and the input line or output line of the equipment body are wired to the same device, the position of the relay terminal and the input terminal or output terminal of the terminal block may be significantly As they approach, wiring becomes easier.

Further, according to the electronic apparatus of the present invention, since the main body of the electronic apparatus is constituted by the main body of the power supply apparatus, when a system is constructed with this power supply apparatus, the space efficiency of the system is improved and the size of the system can be reduced. Will be possible,
When the wiring connected to the terminal block of the relay terminal block and the input line or output line of the power supply unit are wired to the same device, the positions of the relay terminal and the input terminal or output terminal of the terminal block unit are significantly close. Therefore, wiring becomes easy.

[Brief description of the drawings]

FIG. 1 is a perspective view of an electronic device (first embodiment) according to the present invention.

FIG. 2 is an exemplary exploded perspective view of the electronic device in which an AC power input terminal block and a DC power output terminal block are partially omitted;

FIG. 3 is an exploded perspective view showing the relay terminal block of the electronic device in a partially omitted state.

FIG. 4 is an explanatory diagram when the electronic device according to the present invention is used for branching a power line.

FIG. 5 is an explanatory diagram in a case where the electronic device according to the present invention is used for communication branching.

FIG. 6 is a front view of a rail engaging portion in the electronic device according to the present invention.

FIG. 7 is a perspective view of an electronic apparatus (Embodiment 2) according to the present invention.

FIG. 8 is an exploded perspective view of the electronic device (Embodiment 2) in a disassembled state with a relay terminal block partially omitted.

FIG. 9 is a perspective view of an electronic device (third embodiment) according to the present invention.

FIG. 10 is a perspective view of a conventional electronic device.

FIG. 11 is a perspective view of a combination state of a conventional electronic device and a relay terminal block.

FIG. 12 is an explanatory diagram when a conventional electronic device is used for branching a power line.

[Explanation of symbols]

 2 Case 2A Front 17 Relay terminal block 17-1 Relay terminal block 17-2 Relay terminal block 17-3 Relay terminal block 22 Relay terminal 54 Relay terminal A1-A4 terminal block B1-B4 Terminal block C1-C4 Terminal block Section D1 to D4 Terminal block section E1 to E4 Terminal block section F1 to F4 Terminal block section

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoyasu Muramatsu Omron Co., Ltd.

Claims (5)

[Claims] 1. An electronic device, wherein a relay terminal is provided in a dead space of a device main body. 2. An electronic device, wherein a relay terminal block having a plurality of relay terminals is provided in a dead space of the device main body. 3. The electronic device according to claim 2, wherein a base portion of the relay terminal block is integrated with a case portion of the device main body. 4. The electronic device according to claim 2, wherein the relay terminal block is separate from the device main body, and the relay terminal block is detachably fixed to the device main body by fixing means. 5. The electronic device according to claim 1, wherein the device main body is a power supply device main body.