JPH07106783A - Inverter device with installing device - Google Patents

Abstract

PURPOSE:To immediately cape with a change in installation without lowering the cooling capacity by commonly using necessary members for installation on the outside and inside of a board. CONSTITUTION:A plurality of cooling fins 4 elongated in one direction are firmly fixed to the bottom plate 12 of the enclosure of a control section. An installing tool 17 is constituted of a main body section 17a which is elongated in the height direction of the fins 4 and has an L-shaped cross section, installing plate 17b which is provided on the end face of the section 17a perpendicularly to the height direction of the fins 4, and tapped holes 17c bored through the plate 17b. When a pair of installing tools 17 arranged in the direction of the fins 4 are united in one body with transversal plates 17e, the tools 17 can be fixed to the bottom plate 12. Screws 15 which are screwed in the tools 17 through the bottom plate 12 are used as the fitting means of the tools 17 to the four corners of the bottom plate 12. The screws 15 can fix the tools 17 in the normal direction for inside-board installation and in the opposite direction for outside-board installation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an installation device for accommodating a cooling fin provided outside a bottom plate of an inverter device inside a switchboard (installed inside the panel) or exposed to the outside (installed outside the panel). And an inverter device.

[0002]

2. Description of the Related Art FIG. 4 is a perspective view of Conventional Example 1 (A).
Is a right side view of the in-board installation, (B) is a right side view of the outboard installation, FIG. 5 is a perspective view of Conventional Example 2, (A) is a right side view of the in-board installation, (B) [Fig. 4] is a right side view of the installation outside the panel. In FIG. 4A, the bottom plate 2 of the control unit 1 is provided with a cooling unit 3 including cooling fins (not shown).
The installation plates 3c at the ends of the recesses 3b having the L-shaped cross section at the four corners are installed in the switchboard 6 with the screws 5. It is installed in the panel.
In FIG. 4B, if the metal fitting 7 is installed on the installation plate 3c, only the cooling unit 3 is installed outside the switchboard 6 with the screw 5a. It is installed outside the panel.

In the conventional example 2 shown in FIG. 5, those having the same reference numerals as those in the conventional example 1 have approximately the same function, and duplicate explanation may be omitted. If a large relief portion 3x is provided in the cooling unit 3 and an installation plate 3d is provided near the bottom plate 2 as well, no special metal fittings 7 are required, and (A) in-board installation,
(B) It can be installed outside the panel.

[0004]

In order to perform the in-board installation and the out-board installation with good compatibility, in the conventional example 1, the special metal fitting 7 is required only for the out-board installation, and it takes time to procure it. Required or lost. In Conventional Example 2, the cooling portion 3 requires a large relief portion 3x to deteriorate the cooling performance, and a total of eight installation plates are required for inside and outside the four corners.

An object of the present invention is to provide an inverter device provided with an installation device that allows necessary members to be commonly used for installation both inside and outside the panel without deteriorating the cooling performance, and can immediately respond to changes in the installation. is there.

[0006]

In an inverter device equipped with the installation device of the present invention 1, a plurality of cooling fins extending in one direction are fixed to or integrally molded with a bottom plate of a box body, and a bottom plate of 4 is formed.
A mounting means for mounting the fixture is provided in a corner so that the fixture can be detachably mounted in the forward direction and the reverse direction with respect to the cooling fin height direction.
The installation tool extends in the height direction of the cooling fins and has a main body having an L-shaped cross section, an installation plate provided at an end surface of the main body and perpendicular to the height direction of the cooling fins, a screw hole provided in the installation plate or It is formed from a screw through hole.

At this time, the second aspect of the present invention uses the mounting means as a screw that penetrates the bottom plate and is screwed into the fixture, and the third aspect of the invention is that the mounting means is integrally formed on the bottom plate and extends in the height direction of the cooling fins. A columnar portion having an L-shaped cross section and a screw penetrating the main body of the fixture and screwed into the columnar portion,
A fourth aspect of the invention is to integrally connect a pair of fixtures in the direction of the cooling fins with a horizontal plate.

[0008]

According to the first aspect of the present invention, the installation plate having the screw hole or the threaded hole on the end surface of the main body of the installation tool can be attached and removed in the forward and reverse directions by the attachment means of the bottom plate. Can be installed in the panel at the tip side of the cooling fins, and in the opposite direction, the installation plate can be installed at the base side of the cooling fins and installed outside the panel.

At this time, according to the second or third aspect of the invention, the mounting means is embodied, and according to the fourth aspect of the invention, the pair of fixtures are integrally connected by the horizontal plate, and the number of parts is reduced.

[0010]

EXAMPLE FIG. 1 shows a main part of Example 1, (A) is a perspective view of a fixture for installation inside a panel, (B) is a perspective view of a fixture for installation outside the panel, and (C) is both. Fig. 2 is a perspective view of the bottom plate of the common inverter box, Fig. 2 shows the installation state of Fig. 1,
(A) is a perspective right side view of the installation inside the panel, (B) is a perspective right side view of the installation outside the panel, FIG. 3 shows a main part of Example 2, and (A) is an installation tool inside the panel. Is a perspective view of a fixture for installation outside the panel, and (C) is a perspective view of a bottom plate of a box body of an inverter device common to both. In the conventional example and in each drawing, those denoted by the same reference numerals have approximately the same function, and duplicate explanation may be omitted.

In the first embodiment shown in FIGS. 1 and 2, a plurality of cooling fins 4 extending in one direction are fixed (or integrally molded) to the bottom plate 12 of the box body 1a of the control unit 1. On the other hand, the installation tool 17 extends in the height direction of the cooling fins 4 and has a main body 17a having an L-shaped cross section, and an installation plate 17b provided on an end surface of the main body 17a and perpendicular to the height direction of the cooling fins 4, It is formed from a screw hole 17c (or a screw through hole) provided in the installation plate 17b. A pair of fixtures 17 in the direction of the cooling fins 4
May be integrally connected by the horizontal plate 17e. Also, the bottom plate 12
As a means for attaching the fixture 17 to the four corners of the above, the screws 15 that penetrate the bottom plate 12 and are screwed into the fixture 17 are used. With respect to the height direction of the cooling fins 4, the mounting tool 17 is detachably mounted with the screw 15 in the positive direction for in-board installation (A) and the reverse direction for (B) out-board installation. In both cases, the screws are installed in the switchboard 6 by using the screws 5 in the screw holes 17c of the installation plate 17b.

A portion of the second embodiment shown in FIG. 3 that is similar to the first embodiment will be described. Bottom plate 22 of box 1a of control unit 1
A plurality of cooling fins 4 extending in one direction are fixed to (or integrally formed with). On the other hand, the fixture 27 extends in the height direction of the cooling fins 4 and has a main body 27a having an L-shaped cross section, and the main body 27a.
Installation plate 27b provided on the end surface of a and perpendicular to the height direction of cooling fins 4, and screw holes 2 provided in this installation plate 27b
7c (or a threaded hole). In addition, box 1
Instead of the horizontal plate 22a in the direction of the cooling fins 4 on the bottom plate 22 of a, a pair of fixtures 27 in the direction of the cooling fins 4 may be integrally connected by the horizontal plates.

Further, as a feature of the second embodiment, the bottom plate
As a means for attaching the fixture 27 to the corner, a columnar portion 25a integrally formed on the bottom plate 1a and extending in the height direction of the cooling fins 4 and having an L-shaped cross section and a columnar portion penetrating the main body portion 27a of the fixture 27 are provided. The screw 25b is screwed into the screw 25a. Screw 25
In b, the fixture 27 is attached in the height direction of the cooling fins 4,
It is removably mounted in (A) the normal direction for installation inside the panel and (B) the reverse direction for installation outside the panel. Both of them are installed on the switchboard by using screws in the screw holes 27c of the installation plate 27b. The perspective right side view of the second embodiment corresponding to FIG. 2 is similar to that of FIG.

According to both of the above embodiments, the fixture 17 or 2
The installation plate 17b or 27b having the screw hole 17c or 27c on the end surface of the main body 17a or 27a of 7 can be attached / detached in the forward or reverse direction by the screw 15 or the columnar portion 25a and the screw 25b which are the attachment means of the bottom plate 12 or 22 Therefore, in the forward direction, the installation plate 17b or 27b is located on the tip side of the cooling fins 4 to enable in-panel installation, and in the reverse direction, the installation plate 1
7b or 27b is located on the base side of the cooling fin 4 and can be installed outside the panel. Also, a pair of fixtures 17 or 27
Are integrally connected by the horizontal plate 17e, etc., and the number of parts is reduced.

[0015]

According to the inverter device having the installation device of the present invention, the installation plate of the installation tool is positive by the attachment means.
Since it can be freely turned in the opposite direction, the fixture is commonly used for installation inside and outside the panel, and there is the effect that it can respond immediately to changes in the installation, and there is no conventional relief part, so cooling performance is not deteriorated. effective. At this time, there is an effect that the mounting means is embodied by a screw or a columnar portion and a screw, and there is an effect that the installation tool is integrally connected by a horizontal plate and the number of parts is reduced.

[Brief description of drawings]

1A and 1B show essential parts of Embodiment 1, where FIG. 1A is a perspective view of a fixture for installation inside a panel, FIG. 1B is a perspective view of a fixture for installation outside the panel, and FIG. 1C is an inverter common to both. Perspective view of the bottom plate of the box of the device

2A and 2B show the installation state of FIG. 1, in which FIG. 2A is a perspective right side view of installation inside the panel, and FIG. 2B is a perspective right side view of installation outside the panel.

3A and 3B show essential parts of Embodiment 2, where FIG. 3A is a perspective view of a fixture for installation inside a panel, FIG. 3B is a perspective view of a fixture for installation outside the panel, and FIG. 3C is an inverter common to both. Perspective view of the bottom plate of the box of the device

4A and 4B are perspective views of Conventional Example 1, where FIG. 4A is a right side view of installation inside the panel, and FIG. 4B is a right side view of installation outside the panel.

5A and 5B are perspective views of Conventional Example 2, where FIG. 5A is a right side view of the installation inside the panel, and FIG. 5B is a right side view of the installation outside the panel.

[Explanation of symbols]

 1 Control Part 1a Box Body 4 Cooling Fin 12 Bottom Plate 15 Screw 17 Installation Tool 17a Main Body 17b Installation Plate 17c Screw Hole 17e Horizontal Plate 22 Bottom Plate 25a Column 25b Screw 27 Installation Tool 27a Main Body 27b Installation Plate 27c Screw Hole

Claims (4)

[Claims] 1. A plurality of cooling fins extending in one direction are fixed to or integrally molded with a bottom plate of a box body, and mounting means for mounting the fixtures are provided at four corners of the bottom plate so that the fixtures are positive in the height direction of the cooling fins. And a mounting plate which is detachably attached in the opposite direction, extends the installation tool in the height direction of the cooling fin and has an L-shaped cross section, and an installation plate which is provided on the end surface of the main body part and is perpendicular to the height direction of the cooling fin. And an installation device, which is formed from a screw hole or a screw hole provided in the installation plate. 2. An inverter device comprising an installation device according to claim 1, wherein the mounting means is a screw which penetrates the bottom plate and is screwed into the installation tool. 3. An inverter device comprising the installation device according to claim 1, wherein the attachment means is integrally formed on the bottom plate and extends through the cooling fin in the height direction and has a columnar portion having an L-shaped cross section and the main body portion of the installation tool. An inverter device comprising an installation device, which is a screw to be screwed into a columnar portion. 4. An inverter device provided with the installation device according to claim 2 or 3, wherein a pair of installation tools in the direction of the cooling fins are integrally connected by a horizontal plate.