JP2012064685A - Housing unit for electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress noise of a heat exhaust fan, which is leaked to the front side of a housing unit for electronic apparatuses, and prevent a feeling of discomfort provided to people in the front side of the housing unit for the electronic apparatuses.SOLUTION: A housing unit for electronic apparatuses includes: a housing 2 which houses electronic apparatuses 3a, 3b, 3c and 3d, a high noise heat exhaust fan 4a generating high noise, and a low noise heat exhaust fan 4b generating noise smaller than the noise of the high noise heat exhaust fan 4a; and a front side air intake port 7 provided in an area of a front plate of the housing 2 which faces the low noise heat exhaust fan 4b in the horizontal direction and suctioning air from the exterior of the housing 2 to the interior of the housing 2.

Description

  Embodiments described herein relate generally to an electronic apparatus casing device.

  2. Description of the Related Art Cases for electronic devices in which various types of electronic devices and exhaust heat fans that cool the electronic devices are housed in a case are widespread. For example, those described in Patent Document 1 below are known. The electronic device casing device described in Patent Document 1 includes a plurality of electronic devices (cooled parts) and a plurality of heat exhaust fans (blower fans) in a casing (apparatus body). A plurality of air inlets are formed on the front side. When the exhaust heat fan is driven, air outside the housing is sucked into the housing from the air inlet, and the electronic equipment is cooled by the air sucked into the housing.

JP 2006-195357 A

  2. Description of the Related Art Recently, some electronic devices have a large amount of heat generation due to high performance and high density of electronic devices. For electronic devices that generate a large amount of heat, it is necessary to increase the number of exhaust heat fans or increase the size of the exhaust heat fans to improve the cooling performance of the electronic devices. In addition, when the number of exhaust heat fans is increased or the size is increased, noise generated from the exhaust heat fans increases.

  In the casing device for electronic devices described in Patent Document 1, an air inlet that is located opposite to each heat exhaust fan is formed on the front plate of the housing, and noise generated from the heat exhaust fan is generated by the air intake. Leaks out from the front of the housing.

  For this reason, in the electronic device casing device described in Patent Document 1, if the number of exhaust heat fans is increased or the exhaust heat fans are enlarged in order to cool an electronic device having a large heat generation amount, the exhaust heat fans are exhausted. Large noise generated from the heat fan leaks out from the air inlet to the front side of the housing. And if the noise leaking from the air inlet to the front side of the casing increases, the discomfort given to the person on the front side of the casing device for electronic equipment also increases.

  When the medical device casing device, which is an example of the electronic device casing device, is installed in the examination room, the noise of the exhaust heat fan leaking from the intake port formed on the front plate of the casing increases. In addition, the discomfort given to patients and doctors in the examination room is also increased.

  An object of the present invention is to suppress noise of the exhaust heat fan that leaks to the front side of the electronic device casing device, and to suppress discomfort given to those who are on the front side of the electric device casing device. is there.

  An electronic apparatus casing device according to an embodiment includes an electronic apparatus, a high-noise exhaust heat fan that generates a large amount of noise, and a low-noise exhaust heat fan that generates less noise than the high-noise exhaust heat fan. And a front-side air intake port through which air outside the housing is sucked into the housing is provided in a region of the front plate of the housing facing the low-noise exhaust heat fan in the horizontal direction.

It is a perspective view which shows the housing device for medical devices of the 1st Embodiment of this invention. It is a vertical side view of the medical device casing device. It is a vertical side view which shows the housing device for medical devices of the 2nd Embodiment of this invention. It is a vertical side view which shows the housing device for medical devices of the 3rd Embodiment of this invention. It is a side view which shows the housing device for medical devices of the 4th Embodiment of this invention. It is a side view which shows the housing device for medical devices of the 5th Embodiment of this invention.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS. A medical device casing device 1 which is an electronic device casing device is connected to a medical image diagnostic apparatus (not shown) such as a CT apparatus or an MRI apparatus. In the medical device casing device 1, image processing and storage of image data captured by the medical image diagnostic device are performed.

  The medical device casing device 1 includes a casing 2, electronic devices 3 a, 3 b, 3 c, and 3 d accommodated in the casing 2, a high-noise exhaust heat fan 4 a and low noise accommodated in the casing 2. And a heat exhaust fan 4b.

  The electronic device 3a is, for example, a hub or a network unit, and the amount of heat generated during driving is smaller than that of the electronic device 3b. A low-noise exhaust heat fan 4b is used as an exhaust heat fan that blows air that cools the electronic apparatus 3a.

  The electronic device 3b is, for example, a server PC, and the amount of heat generated during driving is larger than that of the electronic devices 3a, 3c, 3d. A high-noise exhaust heat fan 4a is used as an exhaust heat fan that blows air for cooling the electronic device 3b.

  The electronic device 3c is, for example, a desk drive or the like, and generates less heat than the electronic device 3b during driving. A low-noise exhaust heat fan 4b is used as an exhaust heat fan that blows air that cools the electronic device 3c.

  The electronic device 3d is, for example, a power supply unit including a transformer, a DC power source, or a breaker, and generates less heat than the electronic device 3b during driving. A low-noise exhaust heat fan 4b is used as an exhaust heat fan that blows air for cooling the electronic device 3d.

  The high noise exhaust heat fan 4a is a fan for cooling the electronic device 3b having a large calorific value, and a plurality of fans having the same performance (air blowing performance and noise performance) as the low noise exhaust heat fan 4b are arranged in a concentrated manner. It is configured. For this reason, the noise generated from the high noise exhaust heat fan 4a is larger than the noise generated from the low noise exhaust heat fan 4b. As the high noise exhaust heat fan, the number of fans to be installed may be the same as that of the low noise exhaust heat fan, and a fan having a larger blowing performance than the low noise exhaust heat fan 4b may be used. In this case, since a fan with a large ventilation performance generates noise, the noise generated from the high-noise exhaust heat fan is larger than the noise generated from the low-noise exhaust heat fan 4b.

  The low noise exhaust heat fan 4b is an exhaust heat fan for cooling the electronic devices 3a, 3c, and 3d having a small calorific value, and the generated noise is smaller than that of the high noise exhaust heat fan 4a.

  The housing 2 is formed in a rectangular parallelepiped shape having a front plate 2a, a back plate 2b, a pair of side plates 2c, an upper plate 2d, and a lower plate 2e, and a moving caster 5 is attached to the lower plate 2e. .

The front plate 2a is provided so as to be openable and closable. When the electronic devices 3a to 3d are put in and out of the housing 2, the front plate 2a is opened. The electronic device 3d is placed on the lower surface plate 2e and accommodated in the housing 2, and the electronic devices 3a to 3c are formed on the inner surface of the side plate 2c and protruded into the housing 2. Held in the housing 2.

  A front side air inlet 7 is formed in the front plate 2 a that is the front side of the housing 2. The front side air inlet 7 is formed in a region facing the low noise heat exhaust fan 4b in the front plate 2a in the horizontal direction, and the region facing the high noise heat exhaust fan 4a in the front plate 2a in the horizontal direction is the front side. The intake port 7 is not formed. A sound absorbing material 8 is attached to a region of the inner surface of the front plate 2a facing the high noise heat exhaust fan 4a in the horizontal direction. Air from outside the housing 2 is sucked into the housing 2 from the front side air inlet 7 as the high noise exhaust heat fan 4a and the low noise exhaust heat fan 4b are driven.

  An exhaust port 9 through which the air sucked into the housing 2 is exhausted is formed in the back plate 2b. The exhaust port 9 is formed in a region facing the high-noise exhaust heat fan 4a and the low-noise exhaust heat fan 4b in the horizontal direction.

  When the medical device casing device 1 is installed in an examination room or the like, the front panel 2a is installed with the patient or doctor in the examination room or the like facing.

  In such a configuration, when the medical device casing device 1 is driven, heat is generated from the electronic devices 3a to 3d, and these electronic devices 3a to 3d are blown by the high noise heat exhaust fan 4a and the low noise heat exhaust fan 4b. Cooled by air. Air that cools the electronic devices 3a to 3d is sucked into the housing 2 from the front-side intake port 7, flows around the electronic devices 3a to 3d, cools the electronic devices 3a to 3d, and then passes through the housing from the exhaust port 9. 2 is exhausted outside.

  Further, when the medical device casing device 1 is driven, noise is generated from the high-noise exhaust heat fan 4a and the low-noise exhaust heat fan 4b, and the noise generated from the high-noise exhaust heat fan 4a is low-noise exhaust heat fan 4b. Greater than noise generated from. These noises leak from the front-side intake port 7 to the front side of the housing 2 and from the exhaust port 9 to the back side of the housing 2.

  The front side air inlet 7 is formed in a region facing the low noise heat exhaust fan 4b in the front plate 2a in the horizontal direction, and is formed in a region facing the high noise heat exhaust fan 4a in the front plate 2a in the horizontal direction. Absent. For this reason, compared with the distance from the low noise exhaust heat fan 4b to the front side inlet port 7, the distance from the high noise exhaust heat fan 4a to the front side inlet port 7 becomes longer, and the high noise exhaust heat fan 4a. Is prevented from leaking from the front side air inlet 7 to the front side of the housing 2. Thereby, the discomfort by the noise given with respect to the patient and doctor who are in the front side of the housing | casing 2 can be suppressed.

  Further, since the sound absorbing material 8 is attached to a region facing the high noise exhaust heat fan 4a on the inner side surface of the front plate 2a in the horizontal direction, a large noise generated by the high noise exhaust heat fan 4a is generated by the sound absorbing material 8. Can absorb sound. Thereby, it can further suppress that the big noise which generate | occur | produced from the high noise exhaust heat fan 4a leaks from the front side inlet port 7 to the front side of the housing | casing 2, and the patient in the front side of the housing | casing 2 and The discomfort due to the noise given to the doctor can be further suppressed.

Note that the noise leaking from the exhaust port 9 is in the direction opposite to the front side of the housing 2 where the patient or doctor is located, and even if a large noise generated by the high noise exhaust heat fan 4a leaks from the exhaust port 9, Discomfort for patients and doctors is small and does not matter.
(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIG. Note that, in the second embodiment and other embodiments, the same constituent elements as those of the previously described embodiment are denoted by the same reference numerals, and redundant description is omitted.

  The basic configuration of the second embodiment is the same as that of the first embodiment. The difference between the second embodiment and the first embodiment is that a partition for partitioning a region where the high noise exhaust heat fan 4a is located and a region where the low noise exhaust heat fan 4b is located in the housing 2. The point is that a plate 10 is provided. The partition plate 10 is formed with a vent hole 11 through which air sucked into the area where the low noise heat exhaust fan 4b is located from the front side air inlet 7 is vented to the area where the high noise heat exhaust fan 4a is located. .

  The partition plate 10 may be formed below the holding piece 6 as shown in the second embodiment. Alternatively, the partition plate 10 is provided in place of the holding piece 6 and the partition plate 10 is provided on the partition plate 10. Electronic devices 3a and 3b may be placed.

  In such a configuration, when the medical device casing device 1 is driven, the low-noise exhaust heat fan 4b partitioned by the partition plate 10 is located in the air sucked into the casing 2 from the front-side intake port 7. After entering the region and cooling the electronic devices 3a, 3c, 3d arranged in the region, the air is exhausted out of the housing 2 from the exhaust port 9 positioned facing the region. Further, part of the air that is sucked into the housing 2 from the front side air inlet 7 and enters the area where the low noise exhaust heat fan 4b is located is transferred from the vent hole 11 to the area where the high noise exhaust heat fan 4a is located. After entering and cooling the electronic device 3b disposed in the region, the electronic device 3b is exhausted out of the housing 2 through the exhaust port 9 positioned facing the region.

Since the area where the high-noise exhaust heat fan 4a is located and the area where the low-noise exhaust heat fan 4b are located are partitioned by the partition plate 10, large noise generated by the high-noise exhaust heat fan 4a is reduced by the low-noise exhaust heat fan. It becomes difficult to enter the region where 4b is located, and leakage from the front side air inlet 7 to the front side of the housing 2 is further suppressed. Thereby, the discomfort by the noise given with respect to the patient and doctor who are in the front side of the housing | casing 2 can be suppressed further.
(Third embodiment)
A third embodiment of the present invention will be described with reference to FIG.

  In the third embodiment, a blower fan 12 is provided in the vent hole 11 of the partition plate 10 described in the second embodiment. The blower fan 12 blows air that has been sucked in from the front-side intake port 7 into the region where the low-noise exhaust heat fan 4b is located toward the region where the high-noise exhaust heat fan 4a is located.

  In addition, the ventilation fan 12 is using the noise which generate | occur | produces is smaller than the low noise heat exhaust fan 4b, or comparable. For this reason, it does not give discomfort to the patient and the doctor who are in the front side of the housing | casing 2 because the ventilation fan 12 was provided.

In such a configuration, by providing the blower fan 12, it is possible to promote air blowing from the region where the low noise exhaust heat fan 4b is located to the region where the high noise exhaust heat fan 4a is located. The cooling performance of the electronic device 3b in the region where 4a is located can be improved.
(Fourth embodiment)
A fourth embodiment of the present invention will be described with reference to FIG.

In the fourth embodiment, the air inlet 13 is formed at a position approaching the front plate 2a side of the upper surface plate 2d, the lower surface plate 2e, and the side surface plate 2c of the housing 2 described in the first embodiment. A duct 14 is connected to these intake ports 13. The duct 14 extends toward the back side of the housing 2, and an opening 14 a is formed at the tip thereof.

  In such a configuration, by forming the air inlet 13, the air suction performance from the outside of the housing 2 into the housing 2 can be improved, and the cooling performance of the electronic devices 3 a to 3 d can be improved.

  Since these air inlets 13 do not open toward the front side of the housing 2, even if these air inlets 13 are formed, they are caused by noise given to the patient or doctor on the front side of the housing 2. Discomfort can be suppressed. Furthermore, since the ducts 14 that open toward the back side of the housing 2 are connected to these air inlets 13, discomfort due to noise given to patients and doctors on the front side of the housing 2 is prevented. Further suppression can be achieved.

  In the fourth embodiment, the case where the air inlet 13 is formed in each of the upper surface plate 2d, the lower surface plate 2e, and the side surface plate 2c has been described as an example. However, the upper surface plate 2d, the lower surface plate 2e, and the side surface plate are described. You may form the inlet 13 in at least any one of 2c.

Further, the air inlet 13 formed in the side plate 2c is formed only in a region facing the low noise heat exhaust fan 4b in the horizontal direction, and is not formed in a region facing the high noise heat exhaust fan 4a in the horizontal direction. May be.
(Fifth embodiment)
A fifth embodiment of the present invention will be described with reference to FIG.

  The medical device casing device 1A, which is the electronic device casing device of the fifth embodiment, is similar to the medical device casing device 1 of the first embodiment in the electronic device 3a. -3d, a high noise exhaust heat fan 4a, and a low noise exhaust heat fan 4b are accommodated.

  In the housing 2 of the medical device housing apparatus 1A, the front-side intake port 7 is not formed in the front plate 2a, and the intake port 13 for sucking air outside the housing 2 into the housing 2 is provided in the housing 2. The upper surface plate 2d, the lower surface plate 2e, and the side surface plate 2c of the body 2 are formed at positions close to the front plate 2a side. Further, ducts 14 are connected to these air inlets 13, and the ducts 14 extend toward the back side of the housing 2, and an opening 14 a is formed at the front end thereof.

  In the fifth embodiment, the case where the inlet 13 is formed in each of the upper surface plate 2d, the lower surface plate 2e, and the side surface plate 2c has been described as an example. However, the upper surface plate 2d, the lower surface plate 2e, and the side surface plate are described. You may form the inlet 13 in at least any one of 2c.

  Further, the air inlet 13 formed in the side plate 2c is formed only in a region facing the low noise heat exhaust fan 4b in the horizontal direction, and is not formed in a region facing the high noise heat exhaust fan 4a in the horizontal direction. May be.

  In such a configuration, when the medical device casing device 1A is driven, heat is generated from the electronic devices 3a to 3d, and these electronic devices 3a to 3d are blown by the high noise heat exhaust fan 4a and the low noise heat exhaust fan 4b. Cooled by air. The air that cools the electronic devices 3a to 3d is sucked into the housing 2 from the air inlet 13 formed in the upper surface plate 2d, the lower surface plate 2e, and the side surface plate 2c, and flows around the electronic devices 3a to 3d. After the devices 3a to 3d are cooled, they are exhausted from the exhaust port 9 to the outside of the housing 2.

These air inlets 13 are open toward a direction other than the front side of the housing 2. For this reason, even if the noise generated from the high-noise exhaust heat fan 4a and the low-noise exhaust heat fan 4b leaks out of the housing 2 from these inlets 13, the patient who is on the front side of the housing 2 And discomfort due to noise given to the doctor can be suppressed. Furthermore, since the ducts 14 that open toward the back side of the housing 2 are connected to these air inlets 13, discomfort due to noise given to patients and doctors on the front side of the housing 2 is prevented. Further suppression can be achieved.

DESCRIPTION OF SYMBOLS 1 Medical device casing device 2 Housing 2c Side plate 2d Top plate 2e Bottom plate 3 Electronic device 3a Low noise unit 3b High noise unit 4 Heat exhaust fan 6 Low noise unit storage chamber 7 High noise unit storage chamber 9 Inlet 9a Intake port 10 Anti-vibration material 11 Exhaust port 12 Circulation fan

Claims (8)

A housing that houses an electronic device and a high-noise exhaust heat fan that generates a large amount of noise and a low-noise exhaust heat fan that generates less noise than the noise of the high-noise exhaust heat fan;
Provided in a region facing the low-noise exhaust heat fan in the horizontal direction on the front plate of the housing, and a front-side intake port through which air outside the housing is sucked into the housing;
A casing device for electronic equipment, comprising:   2. The electronic apparatus casing device according to claim 1, wherein a sound absorbing material is attached to a region of the inner surface of the front plate facing the high-noise exhaust heat fan in a horizontal direction. A partition plate is provided in the housing for partitioning a region where the high noise heat exhaust fan is located and a region where the low noise heat exhaust fan is located,
The partition plate is provided with a vent hole through which air sucked into the area where the low noise exhaust heat fan is located from the front side air inlet is vented to the area where the high noise exhaust heat fan is located. The casing device for electronic equipment according to claim 1 or 2, characterized in that   The blower fan that blows air from the area where the low-noise exhaust heat fan is located to the area where the high-noise exhaust heat fan is located is provided in the vent hole. Electronic device casing device.   5. The intake port according to claim 1, wherein at least one of an upper surface plate, a lower surface plate, and a side surface plate of the housing is provided with an intake port through which air outside the housing is sucked into the housing. The electronic device casing device according to any one of the preceding claims.   The electronic apparatus casing device according to claim 5, wherein a duct that opens toward the back side of the casing is connected to the intake port. A housing for housing the electronic device and the exhaust heat fan;
An air inlet provided in at least one of the upper surface plate, the lower surface plate, and the side surface plate of the housing, and the air outside the housing is sucked into the housing;
A casing device for electronic equipment, comprising:   The electronic device casing device according to claim 7, wherein a duct that opens toward the back side of the casing is connected to the intake port.

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