JP5675304B2 - Open / close control box and outdoor unit for air conditioner equipped with it - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a multi-layered open / close control box that is openably / closably connected via a hinge and an outdoor unit for an air conditioner including the same.

  In the outdoor unit of an air conditioner, further downsizing is required in order to improve the installation property and ease restrictions on transportation and loading. On the other hand, control boxes built in outdoor units tend to become more complex and larger in size due to the multi-function and electronic control of air conditioners and inverters of compressors. However, in order to make the outdoor unit compact, it is inevitable to reduce the size of the control box. Therefore, the control box is made more compact by making it a multilayer structure.

  When the control box has a multi-layer structure, when it is necessary to maintain the board and components provided in the control box located on the back side, the front side control box must be removed, and maintenance is performed. There arises a problem that it is difficult to remove. For this reason, Patent Documents 1 to 3 and the like show that the storage portions of the control box, the substrate, the support plate, the control device, and the like that are multi-layered are connected through a hinge so as to be opened and closed to facilitate maintenance. ing.

Japanese Patent Laid-Open No. 11-155208 JP 2004-135373 A JP 2009-296799 A

However, when the control box having a multi-layer structure is connected through a hinge as described above, there are the following problems.
(1) The load of the control box is applied to the hinge, and the anti-hinge side hangs down when opened. This phenomenon becomes more prominent as the weight of the control box becomes heavier, and when it becomes severe, the control box cannot be opened and closed smoothly.
(2) Since no presser or the like is provided, if the opened control box is left open, it may be closed, which may hinder maintenance work.

  On the other hand, when actually carrying out maintenance at the site, first of all, appropriate equipment is prepared, and the work is started after supporting the anti-hinge side of the opened control box. In addition, the deterioration of maintainability is unavoidable and places an extra burden on the service personnel.

  The present invention has been made in view of such circumstances, and prevents the control box to be opened and closed from being hung down and closed during work, thereby maintaining smooth opening and closing of the opening and closing control box and improving maintainability. It is an object of the present invention to provide an openable control box and an air conditioner outdoor unit equipped with the same.

In order to solve the above-described problems, the openable control box of the present invention and the outdoor unit for an air conditioner including the same employ the following means.
That is, the open / close control box according to the present invention is a multi-layered open / close control box in which the open / close control box is connected to the base control box via a hinge so as to be openable / closable. A stopper member, which is latched to the upper panel of the base control box and stops hanging and closing on the side opposite to the hinge when the opening / closing control box is opened , is provided so as to be retractable or detachable.

According to the present invention, in the open / close control box having a multi-layer structure, the open / close control box is locked to the upper panel of the base control box, and when the open / close control box is opened, Since the stopper member that stops closing is provided so as to be retractable or detachable, the control box itself can be made compact by reducing the installation space by adopting a multi-layered control box, and it can be opened and closed during maintenance. When the control box is opened, the stopper member is locked to the upper panel of the base control box, so that it is possible to prevent the anti-hinge side from hanging down due to the weight of the opening / closing control box and closing during operation. Therefore, not only can the equipment equipped with the control box be compact, but also the smooth opening / closing performance by the hinge of the opening / closing control box can be maintained and the workability during maintenance can be improved.

  Furthermore, the open / close control box of the present invention is the above open / close control box, wherein the stopper member is locked to the upper panel of the base control box with respect to the open / close control box, and when not in use. It is characterized by being installed so as to be rotatable between the storage position.

  According to the present invention, the stopper member is installed so as to be rotatable between the position where the stopper member is locked to the upper panel of the base control box and the retracted position when not in use with respect to the open / close control box. During maintenance, the open / close control box is opened, and the stopper member is rotated from the retracted position and locked to the upper panel of the base control box to prevent the open / close control box from hanging down or closing during work. When the maintenance is completed, the opening / closing control box can be closed by rotating the stopper member from the locking position to the upper panel to the storage position. Therefore, it is possible to easily prevent the open / close control box from hanging down or closing only by rotating the stopper member, and it is not necessary for the operator to prepare appropriate equipment at the site and take such preventive measures. Can be improved.

  Furthermore, the openable control box of the present invention is the openable control box according to any one of the above-mentioned openable control boxes, wherein the stopper member is locked to the upper surface of the upper panel of the base control box to stop the hanging of the openable control box. A hanging prevention part, a closing prevention part that is locked to an edge of the upper panel and stops the opening / closing control box, and an attachment part attached to the opening / closing control box are provided.

  According to the present invention, the stopper member is locked to the upper surface of the upper panel of the base control box to stop the hanging of the opening / closing control box, and the opening / closing control box is locked to the edge of the upper panel. Since it has a closing prevention part that stops closing and an attachment part that can be attached to the open / close control box, the stopper member is attached to the open / close control box via the attachment part, and the hanging prevention part is attached to the upper panel of the base control box. The opening / closing control box can be prevented from being suspended and closed by being locked to the upper surface of the upper panel and by locking the closing prevention portion to the edge of the upper panel. Therefore, with a simple configuration in which only a single stopper member provided with the hanging prevention portion and the closing prevention portion is provided, the opening and closing control box can be prevented from hanging down and closed, and maintainability can be improved.

  Furthermore, the open / close control box of the present invention is characterized in that, in the above open / close control box, the stopper member is a bent and integrally formed product made of sheet metal.

  According to the present invention, since the stopper member is a sheet metal bending integrated molded product, by bending the sheet metal material, a single unit including a drooping prevention portion, a closing prevention portion, and an attachment portion is provided. One stopper member can be integrally formed. Therefore, the stopper member can be easily and inexpensively manufactured from sheet metal, and the maintainability of the openable control box can be improved using this.

  Furthermore, the open / close type control box of the present invention is the above open / close type control box, wherein the stopper member is integrated with the block preventing unit with the block preventing unit and the mounting unit being integrated. It is characterized in that it is an integrally formed product provided.

  According to the present invention, the stopper member is an integrally formed product in which the suspending prevention portion is integrally provided with respect to the block portion in which the closing prevention portion and the attachment portion are integrated. A single stopper member having a hanging prevention part, a closing prevention part, and an attachment part can be integrally formed by means other than bending. Therefore, the stopper member can be easily and inexpensively manufactured using a material other than sheet metal, and the maintainability of the openable control box can be improved by using the stopper member.

  Furthermore, the outdoor unit for an air conditioner according to the present invention is characterized in that any one of the above openable control boxes is installed in a casing together with other outdoor devices.

  According to the present invention, since any one of the above-described openable control boxes is installed in the casing of the outdoor unit together with other outdoor devices, the maintainability of the outdoor unit at the time of failure is improved and maintenance is facilitated. In addition to being able to reduce the size of the control box, which tends to become more complex and larger due to electronic control and multi-functionality, etc. The machine can be made compact.

According to the open / close control box of the present invention, the control box itself can be made compact by reducing the open / close control box to a multi-layer structure, and the installation space can be reduced. By locking the member to the upper panel of the base control box, it is possible to prevent drooping on the anti-hinge side due to the weight of the opening and closing control box and closing during work, so the equipment equipped with the control box can be made compact. In addition, it is possible to maintain smooth opening and closing by the hinge of the opening and closing control box and improve workability during maintenance.

  According to the outdoor unit for an air conditioner of the present invention, it is possible to improve the maintainability of the outdoor unit in the event of a failure and facilitate maintenance, and the complexity and large size with electronic control and multi-functionality, etc. The control box, which tends to become more compact, can be kept compact, the space occupied in the housing can be minimized, and the outdoor unit for the air conditioner can be made compact.

It is a partial front view of the outdoor unit for air conditioners carrying the opening-and-closing type control box which concerns on 1st Embodiment of this invention. It is a top view of the outdoor unit for air conditioners carrying the opening-and-closing type control box shown in FIG. FIG. 2 is a perspective view of the openable control box shown in FIG. 1. It is a top view of the state which opened the opening / closing control box of the 1st layer of the opening / closing type control box shown in FIG. 1, and the 2nd layer. FIG. 5 is a perspective view from the right side of the openable control box shown in FIG. 4. FIG. 5 is a perspective view from the left side of the openable control box shown in FIG. 4. It is a perspective view (A) of a stopper member applied to an opening-and-closing type control box concerning a 2nd embodiment of the present invention, and (B).

Embodiments according to the present invention will be described below with reference to the drawings.
[First Embodiment]
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.
FIG. 1 shows a partial front view of an outdoor unit for an air conditioner equipped with an openable control box according to the first embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. A perspective view of the control box is shown. The air conditioner outdoor unit 1 includes a housing 2 that includes a base plate 3, a side panel 4, and the like. In addition to the compressor 5, various outdoor devices (not shown) are accommodated and installed in the housing 2, and an openable control box 6 for controlling the air conditioner is accommodated and installed. FIG. 1 shows a state where the service panel covering the front surface of the openable control box 6 is removed from the housing 2.

  The openable control box 6 is laminated in a three-layer structure of a first layer open / close control box 10 and a second layer open / close control box 20 that can be opened and closed from the front side, and a third layer base control box 30 that is fixedly installed. It is fixedly installed on the base plate 3 and the side panel 4 of the housing 2 via a plurality of fixing screws 7. In the present embodiment, the openable control box 6 is installed with a slight gap in the installation space between the side panel 4 and the compressor 5 installed on the base plate 3 (FIGS. 1 and 2). reference).

  The open / close control box 6 has a multilayer structure in which the first and second layer open / close control boxes 10 and 20 are connected to the third layer base control box 30 through a hinge 41 so as to be openable and closable. It is a control box. As shown in FIG. 3, the first and second layer open / close control boxes 10 and 20 and the third layer base control box 30 are integrally laminated and connected in an open / close control box. 6 is fixedly installed in the housing 2.

  The first layer opening / closing control box 10 includes a control board 11 and the like, and the control board 11 is fixed between a pair of left and right left panels 12 and right panels 13 by a plurality of screws 14 (see FIG. 1). Has been. The second layer opening / closing control box 20 provided on the back side of the first layer control box 10 is configured such that a noise filter, various relays 22 and the like are installed on a substrate 21. It is fixed between the right panel 13 and the lower panel 15.

  The first layer opening / closing control box 10 and the second layer opening / closing control box 20 are configured to be integrally set via the left and right pair of left panel 12 and right panel 13 and lower panel 15 as described above. The control substrate 11 of the first layer opening / closing control box 10 is exposed in the upper half of the front side. Further, main components such as a noise filter and various relays 22 installed on the substrate 21 of the second layer opening / closing control box 20 provided on the back side are located in the lower half of the lower portion of the control substrate 11. It is set as the structure installed so that it might be exposed to the side.

  The third-layer base control box 30 includes an inverter substrate 31, a power module, and the like, and these are fixedly installed in a box made up of left and right and upper and lower panels 32, 33, 34, and 35. Has been. The third layer base control box 30 has a slightly larger vertical dimension than the first and second layer opening / closing control boxes 10 and 20 and is extended downward. The upper panel 34 of the third layer base control box 30 is extended to the front side and is sized to cover the upper portions of the first layer and second layer co-opening / closing control boxes 10 and 20 that are integrally set. .

  The integrated first and second layer opening / closing control boxes 10 and 20 are connected to the bracket 40 fixed to the right panel 33 side of the third layer base control box 30 via a plurality of hinges 41. As shown in FIGS. 4 to 6, the hinge 41 is connected to the hinge 41 so as to be openable and closable within a range of about 90 °. This is because the inside of the third layer base control box 30 is exposed during maintenance. Normally, the other side of the first layer and the second layer opening / closing control boxes 10 and 20 that are integrally set is connected to the third layer. It is connected to the layer base control box 30 with screws 42 at a plurality of positions on the top and bottom.

  The hinge 41 is integrated at a substantially middle position in the thickness direction dimension (depth direction dimension) of the first and second layer opening / closing control boxes 10 and 20 that are integrally set, that is, the width dimension of the right panel 13. The first and second layer opening / closing control boxes 10 and 20 are connected to the bracket 40. This is because the rotation axis of the hinge 41 is provided at a position half the depth direction of the set first and second layer opening / closing control boxes 10 and 20, thereby setting the first layer and the first layer set. This is to minimize the peripheral space necessary for opening and closing the two-layer opening / closing control boxes 10 and 20.

  Thus, in order to open and close the set first and second layer open / close control boxes 10 and 20 without interfering with other devices (here, the compressor 5 and the side panel 4), the surroundings It is necessary to secure a space for opening and closing, and this space determines the size of the installation space of the openable control box 6 and directly affects the downsizing of the outdoor unit 2. As described above, the rotation axis of the hinge 41 is provided at a position half the thickness direction of the first and second layer opening / closing control boxes 10 and 20 as described above, so that the rotation axis is at the front end or the rear end in the thickness direction. Compared with the case where it is provided, the space on the front side, the left and right sides, etc. can be reduced.

  Further, in the open / close control box 6, when the weight of the first and second layer open / close control boxes 10 and 20 that can be opened and closed becomes heavy, the anti-hinge side hangs down when opened and no stopper is provided. For this reason, there are problems such as closing during maintenance. Therefore, the first layer and the second layer opening / closing control boxes 10 and 20 are arranged at appropriate positions on the upper panel 34 of the third layer base control box 30 at an appropriate position on the side of the first layer and the second layer opening / closing control box 20. A stopper member 50 that is locked and stops the hanging and closing of the first and second layer opening / closing control boxes 10 and 20 is configured to be retractable or detachable.

  As shown in FIG. 6, the stopper member 50 is locked to the upper surface of the upper panel 34 of the third layer base control box 30 to stop the first layer and second layer opening / closing control boxes 10 and 20 from hanging down. A hanging prevention unit 51, a closing prevention unit 52 that is locked to the edge of the upper panel 34 and stops the first and second layer opening / closing control boxes 10, 20, and an upper portion of the second layer opening / closing control box 20 And an attachment portion 53 attached to the site.

  The stopper member 50 is rotatably installed on the upper part of the back surface of the second layer opening / closing control box 20 by a screw 54. As shown in FIGS. 4 to 6, the stopper member 50 of the third layer base control box 30 is provided. It is rotatable between a position locked to the upper panel 34 and a storage position when not in use so as to be positioned on the back side of the second layer opening / closing control box 20. It should be noted that the stopper member 50 may be attached / detached with a screw 54 whenever necessary, instead of being rotated and stored at the storage position as described above.

  In addition, the stopper member 50 is a sheet metal bent and integrally formed product formed by bending a sheet metal material so that it has a sag prevention part 51, a closing prevention part 52, and an attachment part 53. Yes.

With the configuration described above, according to the present embodiment, the following operational effects can be obtained.
In the air conditioner outdoor unit 1 and the open / close control box 6 described above, in order to perform maintenance due to a failure or the like, first, a service panel (not shown) in the housing 2 is removed. As a result, the openable control box 6 is exposed as shown in FIG. In this state, the control board 11 of the first layer opening / closing control box 10 is exposed in the upper half portion thereof, and includes a noise filter and various relays 22 provided on the board 21 of the second layer opening / closing control box 20. The main parts are exposed in the lower half of the lower side of the control board 11.

  Accordingly, the first layer and second layer opening / closing control boxes 10 and 20 that are set can be maintained by accessing from the front side in the above state. If necessary, the first and second layer opening / closing control boxes 10 and 20 can be opened by 90 ° as described below, and can be accessed and maintained from both the front and back sides.

  On the other hand, the third layer base control box 30 on the innermost side cannot be directly accessed because the first layer and the second layer opening / closing control boxes 10 and 20 are laminated on the front side. When maintaining the third layer base control box 30, the first layer and the second layer opening / closing control boxes 10, 20 are removed from the screws 41 connected to the third layer base control box 30, Rotate around the rotation axis. As a result, the first and second layer opening / closing control boxes 10 and 20 are opened by about 90 ° without being interfered by other parts or devices, as shown in FIGS.

  FIG. 6 shows a perspective view of the first and second layer opening / closing control boxes 10 and 20 viewed from the front side when the first and second layer opening / closing control boxes 10 and 20 are opened by about 90 °. As a result, the inverter board 31 and the power module provided in the third layer base control box 30 are exposed to the front side. In this state, the third layer base control box 30 is maintained by accessing from the front side. It can be performed. Therefore, the third layer base control box 30 can be maintained without removing the first layer and second layer opening / closing control boxes 10 and 20 one by one.

  Further, as described above, the first and second layer opening / closing control boxes 10 and 20 are opened to the front side, and the third layer base control box 30 or the first and second layer opening / closing control boxes 10 and 20 are maintained. The stopper member 50 provided on the back surface of the second layer opening / closing control box 20 is moved upward so that the first layer and second layer opening / closing control boxes 10 and 20 do not hang down or close due to weight. As shown in FIG. 6, the suspending prevention portion 51 is in a state of being hooked and locked on the upper surface of the upper panel 34 of the third layer base control box 30.

  As a result, the closing prevention portion 52 of the stopper member 50 is locked to the edge of the upper panel 34, and the hanging of the anti-hinge side due to the weight of the first and second layer opening / closing control boxes 10 and 20 Closure during work can be prevented. Therefore, the outdoor unit 1 for the air conditioner equipped with the open / close control box 6 can be made compact, and the smooth opening / closing performance by the hinges 41 of the first and second layer open / close control boxes 10 and 20 can be maintained. In addition, the workability during maintenance can be improved.

  During maintenance, the first and second layer opening / closing control boxes 10 and 20 are opened, and the stopper member 50 is rotated from the retracted position to be locked to the upper panel 34 of the third layer base control box 30. In addition, it is possible to prevent the first and second layer opening / closing control boxes 10 and 20 from hanging down due to the weight of the first layer and the second layer and closing during work, and when the maintenance is completed, the stopper member 50 is moved from the position where the stopper member 50 is locked to the upper panel 34 to the retracted position. The first layer and the second layer opening / closing control boxes 10 and 20 can be closed by rotating to the right. For this reason, the first layer and the second layer opening / closing control boxes 10 and 20 can be prevented from hanging or closing simply by rotating the stopper member 50, and the operator prepares appropriate equipment on site. Therefore, it is not necessary to take preventive measures, and maintainability can be improved.

  Further, the stopper member 50 is constituted by a single stopper member 50 having a sag prevention portion 51, a closing prevention portion 52, and an attachment portion 53, and is simply provided with such a stopper member 50. According to the configuration, the first layer and the second layer opening / closing control boxes 10 and 20 can be prevented from hanging down and closed, and the maintainability can be improved. In addition, since the stopper member 50 is a sheet metal bent and integrally formed product, the single stopper member 50 can be integrally formed by bending and forming the sheet metal material. Therefore, it can be manufactured easily and inexpensively.

  Furthermore, according to the outdoor unit for air conditioner 1 of the present embodiment, the openable control box 6 is installed in the casing 2 of the outdoor unit 1 together with other outdoor devices, so that the outdoor unit at the time of failure In addition to being able to improve the maintainability of 1 and facilitate maintenance, it is possible to maintain a compact control box that tends to become more complex and larger due to electronic control and multi-functionality. The occupied space in 2 can be minimized and the outdoor unit 1 for an air conditioner can be made compact.

[Second Embodiment]
Next, a second embodiment of the present invention will be described with reference to FIGS.
The present embodiment differs from the first embodiment described above in the configuration of the stopper members 60 and 70. Since other points are the same as those in the first embodiment, description thereof will be omitted.
As shown in FIG. 7A, the stopper member 60 of the present embodiment is made of sheet metal, as in the case of the stopper member 50 described above, but the bending configuration thereof is different. That is, the stopper member 60 has a right angle prevention portion 62 that is locked to the edge of the upper panel 34 with respect to the hanging prevention portion 61 that is locked to the upper surface of the upper panel 34 of the third layer base control box 30. The mounting portion 63 is bent in a direction orthogonal to the closing prevention portion 62 via a connecting portion 64 bent at a right angle, and the second layer opening / closing control box 20 is connected via a screw. It is designed to be pivotably installed at an upper part of the back surface of the.

  Further, as shown in FIG. 7B, the stopper member 70 has a surface perpendicular to the suspending prevention portion 71 locked to the upper surface of the upper panel 34 of the third layer base control box 30. A block portion 74 including a closing prevention portion 72 and a mounting portion 73 having a surface orthogonal to the surface of the closing prevention portion 72 is integrally provided, and the block portion 74 includes a hole 75 and a screw. The second layer opening / closing control box 20 is rotatably installed on the upper part of the rear surface of the second layer opening / closing control box 20.

  As described above, the stopper member made of sheet metal is not limited to the stopper member 50 and the stopper member 60, and can be easily bent into various forms. Therefore, it is possible to easily and inexpensively manufacture the stopper members 50, 60 and the like having the optimum shape according to the configurations of the first and second layer opening / closing control boxes 10 and 20 and the third layer base control box 30 by sheet metal. This can be used to improve the maintainability of the openable control box 6.

  Moreover, as a stopper member, as shown in FIG. 7 (B), a single member provided with a suspending prevention portion 71, a closing prevention portion 72, and an attachment portion 73, other than by bending the sheet metal material. The stopper member 70 can be integrally formed. Therefore, the stopper member 70 can be easily and inexpensively manufactured using a material other than sheet metal, and the use of the stopper member 70 can improve the maintainability of the openable control box 6.

  In addition, this invention is not limited to the invention concerning the said embodiment, In the range which does not deviate from the summary, it can change suitably. For example, in the above embodiment, the open / close control box 6 having a three-layer structure has been described, but it is needless to say that the present invention can be similarly applied to a two-layer or four-layer or more multilayer open / close control box. In addition, which layer of the control box can be opened and closed may be appropriately selected according to the arrangement configuration of the boards and components provided in each control box. Therefore, the present invention is not limited to the one in which the first layer opening / closing control box 10 and the second layer opening / closing control box 20 are integrally set as in the above embodiment.

  Further, the stopper members 50, 60, 70 are not limited to an integrally molded product as long as they can stop the hanging and closing of the open / close control box, and may be divided into a plurality of pieces. Of course, it may be a molded product made of a resin material. Needless to say, the openable control box 6 of the present invention is applicable not only to the outdoor unit 1 for an air conditioner but also to the openable control box 6 of other devices.

DESCRIPTION OF SYMBOLS 1 Outdoor unit for air conditioners 2 Case 5 Compressor 6 Open / close control box 10 First layer open / close control box 20 Second layer open / close control box 30 Third layer base control box 41 Hinge 50, 60, 70 Stopper member 51, 61, 71 Suspension prevention part 52, 62, 72 Closure prevention part 53, 63, 73 Mounting part 74 Block part

Claims (6)

In the open / close control box, the open / close control box is connected to the base control box through a hinge so as to be openable and closable, and has a multilayer structure.
A stopper member that is locked to the upper panel of the base control box and that stops hanging and closing on the non-hinge side when the opening / closing control box is opened is provided in the opening / closing control box so as to be retractable or detachable. Openable control box featuring   The stopper member is arranged to be rotatable with respect to the open / close control box between a position locked to the upper panel of the base control box and a storage position when not in use. The openable control box according to claim 1.   The stopper member is locked to the upper surface of the upper panel of the base control box to stop the hanging of the opening / closing control box, and the stopper member is locked to the edge of the upper panel to lock the opening / closing control box. The open / close control box according to claim 1, further comprising: a close prevention portion for stopping the close and an attachment portion attached to the open / close control box.   4. The openable control box according to claim 3, wherein the stopper member is a bent and integrally formed product made of sheet metal.   The stopper member is an integrally molded product in which the hanging prevention portion is integrally provided with respect to a block portion in which the closing prevention portion and the attachment portion are integrated. The openable control box according to 3. An outdoor unit for an air conditioner, wherein the openable control box according to any one of claims 1 to 5 is installed in a casing together with other outdoor equipment.

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