JP5435793B2 - controller - Google Patents

Description

  The present invention relates to a controller used to control various devices, for example, and in particular, by improving the configuration of a cooling air flow path, between the controller and another device that is adjacent and disposed. The space required was made unnecessary, thereby reducing the space required for installation of the entire device including the controller, and devised to obtain a waterproof and drip-proof effect with a relatively simple configuration About things.

The controller has the following configuration, for example. First, there is a controller outer casing, and various switches, indicators, connectors and other external interfaces are installed on the front side of the outer casing. In addition, an electric / electronic device having various heat generating components is housed inside the outer casing. Thus, heat generated in the outer casing is discharged to the outside of the outer casing by natural air cooling or forced air cooling. Therefore, vent holes are provided on the ceiling surface, bottom surface, side surface, and back surface of the outer casing.
In addition, in this type of controller, as described above, since there are ventilation holes for intake and exhaust, there is a concern about the ingress of water through those ventilation holes. For that, a certain waterproof / drip-proof structure is adopted. Specifically, a waterproof connector is used for the external interface, and for heat dissipation, a heat sink is provided outside, and a packing or the like is used so that water does not enter the controller.

  For example, Patent Document 1 discloses a configuration of this type of controller.

JP 2007-175856 A

The conventional configuration has the following problems.
That is, as described above, vent holes for natural air cooling or forced air cooling are provided on the ceiling surface, bottom surface, side surface, and back surface of the outer casing of the controller. On the other hand, other devices that make up the device will be adjacent to / arranged in the controller, but when the controller and other devices are adjacent / arranged, the controller and the local device are installed in close contact with each other. The air holes for natural air cooling or forced air cooling provided on the ceiling surface, bottom surface, side surface, and back surface of the outer casing of the controller will be blocked. If the vents for natural air cooling or forced air cooling provided on the ceiling, bottom, side, and back of the outer casing of the controller are blocked, the cooling effect of natural air cooling or forced air cooling is impaired. It will be defeated. Therefore, when another device is adjacent to / arranged with the controller, it is necessary to provide a space between the controller and the other device so as not to block the vent hole. Therefore, there is a problem that a space required for installing the entire apparatus including the controller becomes wide.
Also, when looking at the waterproof / drip-proof structure for preventing water from entering through the ventilation holes for intake and exhaust, the structure is complicated and high cost is required. There was a problem that.

  The present invention has been made based on such points, and the object of the present invention is to reduce the space required for installation of the entire apparatus including the controller and to simplify the structure for waterproofing and drip-proofing. An object of the present invention is to provide a controller that can be made to operate.

In order to achieve the above object, a controller according to claim 1 of the present invention is a controller in which various electric / electronic devices are housed in an outer casing, wherein the front surface of the outer casing is a main interface portion, and the bottom surface of the outer casing or an intake unit for sucking the cooling air in the lower part of the front is provided, the exhaust portion for discharging the cooling air in front of the outer筺 provided on the ceiling surface and the back surface and the side surface of at least the outer筺opening through which air flows In the upper part of the outer casing, there is a forced air cooling fan unit that contains and arranges a forced air cooling fan in the box, and the box is placed inside the outer casing. The forced air cooling fan unit sucks air into the outer casing through the intake section, cools the outer casing, and then exhausts the exhaust section through the box. To make it in, the box body, a top surface and a bottom surface is composed of a front wall and a rear wall and a pair of side walls and respectively opening, the front wall is facing the front of the outer casing, the exhaust unit Is provided on the front wall .
The controller according to claim 2 is the controller according to claim 1, wherein the intake portion is provided on the front surface of the outer casing, and an opening through which air flows is provided on the ceiling surface, the bottom surface, the rear surface, and the side surface of the outer casing. It is characterized by having no structure.
The controller according to claim 3 is the controller of claim 1 or claim 2 wherein, der Rukoto those above the rear wall and a pair of side walls which serves as a partition wall for partitioning the box body from the outside筺内 It is characterized by.
The controller according to claim 4 is the controller according to any one of claims 1 to 3, the above forced air cooling fan unit that you have installed detachably in units with respect to the outer筺 It is a feature.
A controller according to claim 5 is the controller according to any one of claims 1 to 4, characterized in that a cover is attached to the front surface of the outer casing .
According to a sixth aspect of the present invention, in the controller according to the fifth aspect , the intake passage and the exhaust passage are partitioned by a partition plate in the cover .
According to a seventh aspect of the present invention, in the controller according to the sixth aspect, the partition plate is installed up to a lower end of the cover .

In order to achieve the above object, a controller according to claim 1 of the present invention is a controller in which various electric / electronic devices are housed in an outer casing, wherein the front surface of the outer casing is a main interface portion, and the bottom surface of the outer casing or Since the front side is provided with an intake part for sucking cooling air, the front side of the housing is provided with an exhaust part for discharging cooling air, and at least the ceiling, back and side surfaces of the outer casing are structured to be sealed. At least, there are no air intakes and exhausts on the ceiling, back, and side of the outer casing, so there is no need to provide a space between the controller and other equipment. Thereby, the space required for installation of the entire apparatus including the controller can be reduced.
The controller according to claim 2 is the controller according to claim 1, wherein the air intake portion is provided on the front surface of the outer casing, and the ceiling surface, bottom surface, rear surface, and side surfaces of the outer casing are sealed. Therefore, it is not necessary to provide a space when other devices are adjacent to / arranged on the ceiling surface, bottom surface, back surface, and side surface side of the outer casing, and thus the above effect can be further enhanced.
According to a third aspect of the present invention, there is provided the controller according to the first or second aspect, wherein the fan is forcibly air-cooled in a box configured to partition the intake and exhaust ports by a partition plate in the outer casing. Since the forced air cooling fan unit that contains and is disposed is installed, it is possible to prevent the intake and exhaust from being inadvertently mixed and reducing the cooling effect.
Further, in the controller according to claim 4, in the controller according to claim 3, the forced air cooling fan unit is configured to be detachably installed in units with respect to the outer casing. Even if a failure occurs in the forced air cooling fan unit, it is possible to take out and repair or replace only the forced air cooling fan unit regardless of other equipment, thereby facilitating maintenance and inspection work. .
According to a fifth aspect of the present invention, in the controller according to the third or fourth aspect, the exhaust section is provided in the box of the forced air cooling fan unit. There is no need to provide an exhaust part in particular, and the construction of the outer casing is simplified.
Further, the controller according to claim 6 is the controller according to claim 1 or 2, wherein the forced air cooling fan is attached to the front side of the outer casing with the exhaust surface oriented. An extremely simple configuration can prevent inadvertent mixing of intake and exhaust.
Further, the controller according to claim 7 is the controller according to claim 1 or 2, wherein the cover is attached to the front surface of the outer casing, so that the ingress of liquid droplets into the controller is effectively prevented. Can be prevented.
Further, the controller according to claim 8 is the controller according to claim 7, wherein the intake passage and the exhaust passage are partitioned by a partition plate in the cover, so that intake and exhaust are mixed carelessly. Thus, it is possible to eliminate the possibility of reducing the cooling effect.
The controller according to claim 9 is the controller according to claim 8, wherein the partition plate is installed to reach the lower end of the cover, thereby preventing inadvertent mixing of intake air and exhaust gas. The effect can be further enhanced.

It is a figure which shows the 1st Embodiment of this invention and is a perspective view which shows the whole structure of a controller. 2A and 2B are diagrams illustrating a first embodiment of the present invention, in which FIG. 2A is a front view of the controller, FIG. 2B is a plan view of the controller, FIG. 2C is a bottom view of the controller, and FIG. d) is a side view of the controller, and FIG. 2 (e) is a side view of the controller. It is a figure which shows the 1st Embodiment of this invention, and is a figure which expands and shows the front view of the controller shown to Fig.2 (a). It is a figure which shows the 1st Embodiment of this invention, and is IV-IV sectional drawing of FIG. It is a figure which shows the 1st Embodiment of this invention and is a perspective view which shows the structure of the fan unit for forced air cooling. FIG. 6A is a front view of a forced air cooling fan unit, FIG. 6B is a plan view of the forced air cooling fan unit, and FIG. 6C is a diagram illustrating a first embodiment of the present invention. FIG. 6D is a side view of the forced air cooling fan unit, and FIG. 6E is a side view of the forced air cooling fan unit. It is a figure which shows the 1st Embodiment of this invention, and is a front view of the controller which shows the state which removed the fan unit for forced air cooling. It is a figure which shows the 2nd Embodiment of this invention, and is a perspective view which shows the whole structure of a controller. 9A and 9B are diagrams illustrating a second embodiment of the present invention, in which FIG. 9A is a front view of the controller, FIG. 9B is a plan view of the controller, FIG. 9C is a bottom view of the controller, and FIG. FIG. 9D is a side view of the controller, and FIG. 9E is a side view of the controller. It is a figure which shows the 2nd Embodiment of this invention, and is a figure which expands and shows the front view of the controller shown to Fig.9 (a). It is a figure which shows the 2nd Embodiment of this invention, and is XI-XI sectional drawing of FIG. It is a figure which shows the 3rd Embodiment of this invention, and is a perspective view which shows the whole structure of a controller. It is a figure which shows the 3rd Embodiment of this invention, and is a bottom view of a controller. It is a figure which shows the 3rd Embodiment of this invention, and is XIV-XIV sectional drawing of FIG. It is a figure which shows the 3rd Embodiment of this invention, and is a perspective view which shows the structure of the partition wall of a cover. It is a figure which shows the 3rd Embodiment of this invention, and is a perspective view which shows the structure of the cover main body of a cover. It is a figure which shows the 3rd Embodiment of this invention, and is a perspective view which shows the state which incorporated the partition wall of the cover in the cover main body. It is a figure which shows the 4th Embodiment of this invention, and is a longitudinal cross-sectional view of a controller.

Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view showing an overall appearance configuration of a controller 1 according to the present embodiment. FIG. 2A is a front view of the controller 1 viewed from the front, and FIG. 2 (c) is a bottom view of the controller 1 viewed from the bottom, FIG. 2 (d) is a left side view of the controller 1 viewed from the left side, and FIG. 2 (e) is a view of the controller 1 viewed from the right side. It is a right view.
First, there is an outer casing 3 made of synthetic resin. The outer casing 3 has a substantially cubic shape, the front surface (the left side surface in FIG. 1) is a front opening 5, and the ceiling wall 7 The bottom wall 9, the pair of side walls 11 and 13, and the back wall 15 are provided.

  A lid 17 is detachably attached to the front opening 5 of the front surface, and the lid 17 is divided into several pieces, each being fixed by a fixing screw 18. ing. The lid body 17 has a plurality of openings 17a to which various electric / electronic devices can be attached. The various electric / electronic devices are incorporated in the outer casing 3 through these openings 17a. As the above various electric / electronic devices, the earth 21, power input connector 23, power interface connector 25, brake input connector 27, battery connection connector 29, motor connection connector 31, I / O connector 33, system connector 35, teaching pendant connection There are a connector 37, a manual mode switch 39, and a forced air cooling fan unit 41.

  The bottom wall 9 of the outer casing 3 is provided with an air intake 51 as shown in FIGS. The intake portion 51 is composed of a plurality of openings 57. Cooling air is sucked into the outer casing 3 from the outside through the plurality of openings 57.

  The already described forced air cooling fan unit 41 has the following configuration. The forced air cooling fan unit 41 includes a box body 61 and a forced air cooling fan 63 provided in the box body 61. The box 61 includes a front wall 69, a back wall 71, and a pair of side walls 75 and 77. The top surface is an opening 79 and the bottom surface is an opening 73. The forced air cooling fan 63 is incorporated into the box 61 through the opening 79.

  The front wall 69 is provided with an exhaust part 81. The exhaust part 81 is composed of a plurality of openings 83 formed in the front wall 69. When the casing 64 of the forced air cooling fan 63 is viewed, an opening 64a is formed on the opening 73 side on the bottom side of the box 61 as shown in FIG. As shown in FIGS. 5 and 6B, an opening 64 b is formed on the opening 79 side on the upper surface side of the body 61.

  And as an air flow path for forced air cooling, the intake part 51 provided in the bottom wall 9 of the outer casing 3, the inner space of the outer casing 3, the opening 73 of the box 61 of the forced air cooling fan unit 41, the above The openings 64 a and 64 b of the casing 64 of the forced air cooling fan 63 and the exhaust wall 81 are provided on the front wall 69 of the box 61 of the forced air cooling fan unit 41.

The forced air cooling fan unit 41 is detachably attached to a predetermined position on the front surface of the outer casing 3, that is, to the center of the front end in FIG. That is, as shown in FIG. 5, guide members 91 and 91 are formed on the pair of side walls 75 and 77 of the box body 61 of the forced air cooling fan unit 41. On the other hand, as shown in FIG. 7, a pair of rails 93, 93 are provided at the center of the upper end in FIG. 3 on the front side of the outer casing 3. The forced air cooling fan unit 41 is detachably attached to the outer casing 3 through the pair of guide members 91 and 91 and the pair of rails 93 and 93.

The forced air cooling fan unit 41 is assembled into the outer casing 3 as shown in FIG. The lock claw 95 is rotatably attached to the lid body 17 via a shaft member 97, and is in a state as shown in FIG. 1 when locked and in a state as shown in FIG. 7 when unlocked. A handle 99 is attached to the front wall 69 of the box body 61 of the forced air cooling fan unit 41 when it is attached or detached.

As described above, according to the present embodiment, the following effects can be obtained.
First, the space required for installation of the entire apparatus including the controller 1 can be reduced. That is, the outer casing 3 of the controller 1 is provided with an intake portion 51 on the bottom wall 9 and an exhaust portion 81 on the front surface, the other ceiling wall 7, the pair of side walls 11 and 13, and the back wall 15. Are all hermetically sealed. Therefore, when installing another device on the ceiling wall 7, the pair of side walls 11, 13, and the back wall 15 side, it is not necessary to provide a space, and the devices can be installed in close contact with each other.
In the case of the present embodiment, the configuration is such that intake and exhaust are not inadvertently mixed. That is, the air sucked into the outer casing 3 through the intake portion 51 is sucked by the forced air cooling fan 67 and enters the box body 61 of the forced air cooling unit 41. I won't go into 3 That is, the back wall 71 and the side walls 75 and 77 constituting the box body 61 function as partition walls, and are configured to reliably prevent inadvertent backflow into the outer casing 3. It is configured to be discharged to the outside from an exhaust portion 81 provided on the front wall 69. Therefore, there is no case where intake and exhaust are mixed inadvertently to reduce the cooling effect, and a high cooling effect can be expected.
Further, since the forced air cooling fan unit 41 is detachably attached to the front surface of the outer casing 3, it can be easily replaced even when the forced air cooling fan unit 41 breaks down, for example. Maintenance and inspection work becomes easy.

Next, a second embodiment of the present invention will be described with reference to FIGS. In the case of the first embodiment, the air intake 51 is provided on the bottom wall 9 of the outer casing 3. However, in the case of the second embodiment, the air intake 51 is also on the front side. It is provided.
That is, an air intake 51 is provided in the lid 17 that closes the opening 5 steps on the front surface of the outer casing 3, and the air intake 51 includes a plurality of openings 53.
Other configurations are the same as those in the case of the first embodiment, and the same reference numerals are given to the same portions in the drawing, and the description thereof is omitted.

Therefore, the same effect as in the case of the first embodiment can be obtained, and since the intake portion 51 is provided on the front side of the outer casing 3, the bottom wall 9 side is also hermetically sealed. Other devices can be brought into close contact with and arranged on the bottom wall 9 side. As a result, the installation space of the apparatus can be reduced more effectively.

Next, a third embodiment of the present invention will be described with reference to FIGS. In the case of the third embodiment, a cover 101 is crowned and fixed on the front side of the controller 1 in the first embodiment. As shown in FIGS. 13 and 14, the cover 101 includes a cover main body 102 and a partition wall 103 arranged inside the cover main body 102. The partition wall 103 is configured to provide an exhaust passage 105 communicating with an exhaust portion 81 provided in the forced air cooling fan unit 41 in a state of being partitioned with respect to the front side of the controller 1. A cable take-out portion 107 (not shown) is formed between the partition wall 103 and the front surface of the controller 1.

The above configuration will be described in more detail. First, the partition wall 103 has a shape as shown in FIG. First, there is a partition wall main body 111, and an exhaust path constituting wall body 113 is erected at the center of the upper end portion of the partition wall main body 111. The exhaust passage constituting wall body 113 has a substantially U-shaped cross section, and a plurality of reinforcing ribs 115 are provided on the outer surface of the bottom. In addition, recesses 117 are formed at the four corners of the partition wall main body 111.

On the other hand, the cover main body 102 has a shape as shown in FIG. The cover main body 102 has a substantially bottomed shape, but the lower end surface in FIG. In addition, positioning wall bodies 123 are provided upright at the four corners inside the cover main body 102. Further, a shaft portion 125 is erected on the outside of the positioning wall 123 inside the cover main body 102. The concave portion 117 on the partition wall 103 side already described corresponds to the shaft portion 125. Further, as shown in FIG. 15, there are positioning projections 116 (only two on one side in FIG. 15 are provided at the four corners) on the partition wall 103 side, whereas, as shown in FIG. On the cover body 102 side, positioning concave portions 118 (only two on one side are shown in FIG. 16 but provided at the four corners) are provided. Then, by incorporating the partition wall 103 into the cover body 102, the positioning protrusions 116 and 116 are fitted into the positioning recesses 118 and 118, whereby the position of the partition wall 103 relative to the cover body 102 is increased. Will be determined.
In this embodiment, both the cover body 102 and the partition wall 103 are made of transparent or translucent synthetic resin. As a result, an LED or the like provided on the front surface of the controller can be visually recognized. A seal ring 114 is installed between the cover main body 102 and the ceiling wall 7.

When the partition wall 103 is assembled in the cover main body 102, the state shown in FIGS. 12 to 14 and FIG. 17 is obtained. The air exhausted from the exhaust part 81 of the forced air cooling fan unit 41 is exhausted between the exhaust path constituting wall body 113 and the cover body 102, passes through the exhaust path 105 between the partition wall 103 and the cover body 102, and is covered. The air is exhausted to the outside through the opening 121 between the main body 102 and the partition wall 103.

As described above, according to this embodiment, the same effect as in the case of the first embodiment can be obtained, and by attaching the cover 101, the droplets can enter the outer casing 3 of the controller 1. Can be prevented. Further, since the exhaust passage 105 is defined and formed in the cover 101 with respect to the front surface of the controller 1, inadvertent mixing of intake air and exhaust gas can be prevented, and the cooling effect can be improved. In particular, in the case of a controller for multi-axis control, a large amount of heat is generated, and taking into account that the outer casing 3 itself is made of a synthetic resin having poor heat dissipation, it is extremely important to obtain a high cooling effect. Will have.
Further, since the cover 101 is divided into a cover main body 102 and a partition wall 103, and each is formed separately, the forming operation is also simplified.
Further, since the position of the partition wall 103 with respect to the cover main body 102 is defined by the relationship between the positioning wall 123 and the edge of the guide recess 117, the assembling work is easy.
Further, since the reinforcing channel 115 is provided on the exhaust path constituting wall body 113, sufficient mechanical strength can be obtained.
In this embodiment, the cover main body 102 and the partition wall 103 are separated from each other, but they may be integrally formed.

Next, a fourth embodiment of the present invention will be described with reference to FIG. In this case, the configuration of the partition wall 103 in the third embodiment is changed. Thus, the exhaust is directly performed in front of the exhaust part 81 provided in the forced air cooling fan unit 41.
The other configurations are the same as those in the third embodiment, and the same parts are denoted by the same reference numerals in the drawings, and the description thereof is omitted.

Therefore, substantially the same effect as that of the third embodiment can be obtained, and the configuration of the cover 101 can be simplified as compared with the case of the third embodiment.

The present invention is not limited to the first to fourth embodiments.
First, the configurations of the intake portion and the exhaust portion are not limited to those illustrated, and various configurations are conceivable.
In the case of the first to fourth embodiments, the case of forced air cooling has been described as an example, but the case of natural air cooling is also applicable.
Further, the device targeted by the controller is not particularly limited.
In addition, the configuration illustrated is merely an example.

  The present invention relates to a controller used to control various devices, for example, and in particular, by improving the configuration of a cooling air flow path, between the controller and another device that is adjacent and disposed. For example, it is suitable for a controller that controls an actuator with respect to a device that has been devised so that the necessary space can be eliminated, thereby reducing the size of the entire apparatus.

DESCRIPTION OF SYMBOLS 1 Controller 3 Outer casing 5 Front opening part 7 Ceiling surface wall 9 Bottom wall 11 Side wall 13 Side wall 15 Back wall 17 Whole surface cover 41 Forced air cooling unit 51 Intake part 57 Intake opening part 81 Exhaust part 83 Exhaust part 101 cover

Claims (7)

In a controller with various electrical and electronic equipment inside the outer casing,
The front of the outer shell is the main interface part,
An air intake section for sucking cooling air is provided at the bottom of the outer casing or at the bottom of the front surface.
An exhaust part for discharging cooling air is provided on the front surface of the outer casing ,
At least the ceiling surface, the back surface, and the side surface of the outer casing have no opening through which air flows,
A forced air cooling fan unit, in which a forced air cooling fan is housed and arranged in a box, is installed in the upper part of the outer casing, and the box is separated from a partition wall that partitions the box from the outer casing. Configured,
The forced air cooling fan unit sucks air into the outer casing through the intake section and cools the outer casing, and then exhausts from the exhaust section through the box .
The box is composed of a front wall, a back wall, and a pair of side walls, each having an upper surface and a bottom surface as openings. The front wall faces the front surface of the outer casing, and the exhaust portion is the front wall. The controller characterized by being provided in . The controller of claim 1, wherein
A controller characterized in that the air intake portion is provided on the front surface of the outer casing, and the ceiling surface, bottom surface, rear surface, and side surfaces of the outer casing have no openings through which air flows. The controller according to claim 1 or claim 2,
Controller said rear wall and a pair of side walls, characterized in der Rukoto functions as a partition wall for partitioning the box body from the outside筺内. In the controller according to any one of claims 1 to 3,
Controller the forced air-cooling fan unit, characterized that you have installed detachably in units with respect to the outer筺. In the controller according to any one of claims 1 to 4,
A controller having a cover attached to the front surface of the outer casing . The controller of claim 5 , wherein
A controller characterized in that an intake passage and an exhaust passage are partitioned by a partition plate in the cover . The controller of claim 6, wherein
The controller, wherein the partition plate is installed up to a lower end of the cover .

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