JP5870240B2 - Electronic equipment using heat dissipation units - Google Patents

Description

  The present invention relates to an electronic device incorporating a heat radiating unit installed outdoors, for example.

  In an image display device such as an electronic apparatus, for example, a television receiver, a display unit is provided on the front side of the main body case, and a control unit for the display unit is provided inside the main body case. Was covered with a partition plate.

  In addition, since the display portion of a recent television receiver has become extremely large, efforts to install it outdoors as an advertising device using the high display effect have been activated. In addition, there are increasing cases of outdoor use.

  For this reason, the electronic device has a substantially sealed structure to protect the control unit from dust and water droplets, and heat exchange is performed on the blower provided inside the main body case and the partition plate side surface of the main body case. It was set as the structure which thermally radiates using the thermal radiation unit provided with the body (for example, patent document 1).

  In order to make the configuration of the electronic device substantially sealed, the electronic device is firmly fixed from the back side of the main body case using a fixing tool such as a screw from the outside of the surface on which the heat dissipation unit of the electronic device is mounted.

  In addition, this electronic device has a fixing portion of an installation member on the partition plate side surface of the main body case, and may be used by installing on a wall surface or hanging from a ceiling (for example, patent) Reference 2).

JP 2008-96910 A JP-A-7-322172

  However, when the electronic device having such a configuration is fixed to a wall surface, a ceiling, or the like using a fixing portion of an installation member provided on the back side of the main body case, in the maintenance work of the conventional heat dissipation unit, first, the wall surface and the ceiling It is necessary to remove the electronic equipment from the etc., then remove the back cover provided on the outside of the heat dissipation unit, and finally remove the heat dissipation unit, and the maintenance work of the heat dissipation unit is time consuming and laborious. It was work.

  Therefore, the present invention can simplify the maintenance of the heat radiating unit by adopting a configuration in which the heat radiating unit and the blower of the heat radiating unit can be removed even in a state where the electronic device is fixed to the wall surface and the ceiling. An object of the present invention is to provide an electronic device using a heat dissipation unit.

In order to achieve this object, an electronic device using the heat dissipation unit of the present invention is an electronic device having a control board in a housing, and includes a heat dissipation unit on one surface of the housing, radiating unit includes a partition plate for partitioning the inside and the outside of the electronic device and the heat exchanger, the heat exchanger arranged on the outer side of the housing of the partition plate, and disposed within the side of the housing of the partition plate A plurality of blowers, a plurality of upper vents in the lateral direction above the partition plate, a plurality of lower vents in the lateral direction below the partition plate, and the heat exchange element includes the upper vent and the lower vent The mouths are respectively connected in a longitudinal bridge by a cylindrical hot air passage body made of synthetic resin, and the air inside the housing is blown in order from the upper air vent to the hot air passage body and the lower air vent. includes the heat radiation unit of the electronic apparatus A take-off opening that is an opening larger than a projected shape of a portion located inside the electronic device of the heat dissipation unit on a surface adjacent to the surface, and a closing plate larger than the take-out opening outside the electronic device of the take-out opening Thus, the intended purpose is achieved.

An electronic device using the heat dissipation unit of the present invention is an electronic device having a control board in a housing, and includes a heat dissipation unit on one surface of the housing , and the heat dissipation unit includes a heat exchanger and the electronic device. A partition plate for partitioning the inside and the outside of the device, a heat exchanger disposed on the outside of the housing of the partition plate, a plurality of fans disposed on the inside of the housing of the partition plate, and above the partition plate A plurality of upper vents in the lateral direction, a plurality of lower vents in the lateral direction below the partition plate, and the heat exchanger has a cylindrical shape made of a synthetic resin, the upper vent and the lower vent, respectively. It is connected in the form of a bridge in the vertical direction by a hot air passage body, and the air inside the housing is blown in order from the upper air vent to the hot air passage body and the lower air vent, and includes the heat dissipation unit of the electronic device. The heat dissipation unit The heat dissipation unit includes an extraction opening that is an opening larger than a projected shape of a portion located inside the electronic device, and a blocking plate that is larger than the extraction opening outside the electronic device of the extraction opening. Maintenance of electronic equipment using can be simplified.

  That is, in the present invention, when performing maintenance of the heat dissipation unit as in the past, it takes time and effort to first remove the electronic device from the wall surface and ceiling, then remove the back cover, and finally remove the heat dissipation unit. Even when the electronic device is fixed to the wall or ceiling, it is possible to remove only the heat dissipation unit and the blower of the heat dissipation unit, so that the maintenance of the heat dissipation unit of the electronic device using the heat dissipation unit is simplified. Can do it.

The perspective view which shows the example of installation of Embodiment 1 of this invention Perspective view of the back side Exploded perspective view of the back side (A) Configuration diagram of a side cross-section showing the flow of air outside the heat exchanger (b) Configuration diagram of a side cross-section showing the flow of air circulating in the housing and the heat exchanger Exploded perspective view showing the insertion direction X of the heat dissipation unit Configuration diagram of AA 'cross section Configuration diagram of AA 'exploded cross section showing insertion direction X of the blower Rear side perspective view explaining the back cover opening and closing mechanism The rear side perspective view explaining the back cover of Embodiment 2 of this invention The perspective view of the back side explaining the back cover of Embodiment 3 of this invention

  An electronic apparatus using a heat dissipation unit according to claim 1 of the present invention is an electronic apparatus having a control board in a housing, and the heat dissipation unit includes a heat dissipation unit on one surface of the housing, and the heat dissipation unit performs heat exchange. A projection shape of a part located inside the electronic device of the heat radiating unit on a surface adjacent to the surface provided with the heat radiating unit of the electronic device, and a partition plate that partitions the body and the inside and the outside of the electronic device A take-out opening, which is a larger opening, and is provided with a closing plate larger than the take-out opening on the outside of the electronic device of the take-out opening. Even in a state where it is fixed to the ceiling, etc., each part located inside the electronic device of the heat dissipation unit from the side adjacent to the surface provided with the heat dissipation unit of the electronic device by unfixing the closing plate Since it is possible to remove the thermal unit, an effect that it is possible to simplify the maintenance of the heat radiation unit of an electronic device using the heat dissipation unit.

  The electronic device using the heat dissipation unit according to claim 2 of the present invention is such that the heat dissipation unit is fixed to the housing only from the surface side where the extraction opening is provided, and the electronic device is mounted on a wall surface, a ceiling, etc. Even in the fixed state, heat release for each part located inside the electronic device of the heat radiating unit from the side adjacent to the surface with the heat radiating unit of the electronic device by unfixing the closing plate from the surface provided with the extraction opening Since the unit can be removed, there is an effect that the maintenance of the heat dissipation unit of the electronic device using the heat dissipation unit can be simplified.

  In the electronic device using the heat dissipation unit according to claim 3 of the present invention, the closing plate is a part of the partition plate, and the electronic device is closed even when the electronic device is fixed to a wall surface, a ceiling, or the like. By unfixing the plate, it is possible to remove the heat dissipating unit for each part located inside the electronic device of the heat dissipating unit from the side adjacent to the surface with the heat dissipating unit of the electronic device. There is an effect that the maintenance of the heat dissipation unit of the electronic device can be simplified.

  In the electronic device using the heat dissipation unit according to claim 4 of the present invention, the closing plate is provided with a first handle on an outer surface of the electronic device, and the electronic device is provided on a wall surface, a ceiling, or the like. Even in the fixed state, by releasing the closure plate and pulling the first handle, the heat dissipating unit together with the parts located inside the electronic unit of the heat dissipating unit from the side adjacent to the surface equipped with the heat dissipating unit of the electronic device Therefore, the maintenance of the heat radiating unit of the electronic device using the heat radiating unit can be simplified.

  The electronic device using the heat dissipation unit according to claim 5 of the present invention is such that the electronic device includes an insertion guide on an outer periphery of the heat dissipation unit on a surface on which the heat dissipation unit is mounted. Even in a state where it is fixed to the wall surface or ceiling, the insertion guide is provided so that when inserting the heat dissipation unit into the electronic device, it follows the insertion guide from the surface side adjacent to the surface provided with the heat dissipation unit of the electronic device. The heat dissipation unit can be inserted, and the maintenance of the heat dissipation unit of the electronic equipment using the heat dissipation unit can be simplified.

  The electronic device using the heat dissipation unit according to claim 6 of the present invention has a first fixing portion that is fixed to the heat dissipation unit only on the outlet opening side of the blower, and the blocking plate has a projection shape of the blower. A blower outlet opening that is a large opening is provided, and a blower outlet closing plate larger than the blower outlet opening is provided outside the electronic device of the blower outlet opening, and the electronic device is fixed to a wall surface, a ceiling, or the like The first fixing part that fixes the blower inside the housing can be released from the blower take-out opening side, and only the blower of the heat dissipation unit can be removed from the blower take-off opening by removing the blower take-off block plate. Since it is possible, there exists an effect which can simplify the maintenance of the thermal radiation unit of the electronic device using the thermal radiation unit.

  An electronic device using the heat dissipation unit according to claim 7 of the present invention is provided with a second handle on the outlet opening side of the blower, and the electronic device is fixed to a wall surface, a ceiling, or the like. The first fixing part that fixes the blower inside the housing can be unlocked from the take-out opening side, remove the blower take-out closing plate, pull the second handle, and only the blower of the heat dissipation unit from the blower take-out opening Therefore, the maintenance of the heat radiating unit of the electronic device using the heat radiating unit can be simplified.

  An electronic apparatus using the heat dissipation unit according to claim 8 of the present invention has the insertion part of the blower and the second fixing part on the partition plate, and fixes the electronic apparatus to a wall surface, a ceiling, or the like. Even in this state, by providing the insertion portion, when the blower is inserted into the electronic device, the blower can be inserted into the insertion portion, and the second fixing portion that is paired with the first fixing portion is provided. By providing, the blower inserted into the housing can be fixed to the partition plate from the blower take-out opening side, so that the maintenance of the heat dissipation unit of the electronic device using the heat dissipation unit can be simplified. Play.

  In the electronic apparatus using the heat dissipation unit according to claim 9 of the present invention, the first control connector connected to the prime mover of the blower is configured such that the connection portion is exposed in the insertion direction of the heat dissipation unit. The second control connector fixed to the first control connector and connected to the control board paired with the first control connector is connected to the first control connector at the mounting position of the heat dissipation unit of the electronic device. In the state where the electronic device is fixed to the wall surface and the ceiling or the like, when removing only the heat dissipation unit and the blower of the heat dissipation unit from the surface side adjacent to the surface provided with the heat dissipation unit of the electronic device, The connection between the first control connector and the second control connector is released, and the heat radiating unit and the heat radiating unit are connected from the side adjacent to the surface of the electronic device having the heat radiating unit. When only the fan of the heat sink is mounted, the first control connector and the second control connector are connected at the mounting position of the heat dissipating unit of the electronic device only by inserting only the heat dissipating unit and the fan of the heat dissipating unit into the housing. Therefore, there is an effect that the maintenance of the heat dissipation unit of the electronic device using the heat dissipation unit can be simplified.

  The electronic device using the heat dissipation unit according to claim 10 of the present invention is such that the electronic device includes a sealing member that presses the heat dissipation unit against the electronic device, and the electronic device includes the sealing member. Because it is possible to secure the sealing between the heat dissipation unit and the electronic device without fixing with screws etc. from the heat dissipation unit mounting surface, it is easy to maintain the heat dissipation unit of the electronic device using the heat dissipation unit There is an effect that can be.

  The electronic device using the heat dissipation unit according to claim 11 of the present invention is such that the sealing member includes a buffer member at a position where the heat dissipation unit is pressed against a part of the electronic device. By providing the buffer member, it is possible to ensure the sealing between the heat dissipation unit and the electronic device without fixing with screws or the like from the heat dissipation unit mounting surface of the electronic device, so the electronic device using the heat dissipation unit There is an effect that the maintenance of the heat dissipation unit can be simplified.

  The electronic device using the heat dissipation unit according to claim 12 of the present invention is characterized in that the sealing member is a third fixing for fixing the sealing member to a surface for fixing the blocking plate or the blocking plate of the electronic device. And a third fixing portion for fixing the sealing member on the surface for fixing the closing plate or the closing plate of the electronic device, i.e., the maintenance work side. Since the sealing between the heat dissipation unit and the electronic device can be ensured without fixing with screws from the unit mounting surface, maintenance of the heat dissipation unit of the electronic device using the heat dissipation unit can be simplified. There is an effect that can be done.

  In the electronic device using the heat dissipation unit according to claim 13 of the present invention, the sealing member has an arc shape having a center point in the outer direction of the electronic device, and the center point in the outer direction of the electronic device. By providing an arc-shaped sealing member that has an arc shape, it is possible to ensure the sealing between the heat dissipation unit and the electronic device without fixing with screws or the like from the heat dissipation unit mounting surface of the electronic device. The effect which can simplify the maintenance of the thermal radiation unit of the electronic device using a unit is produced.

  The electronic device using the heat dissipation unit according to claim 14 of the present invention is such that the electronic device includes a back cover that covers the heat dissipation unit, and the back cover is located at the take-out opening of the electronic device. The opening / closing mechanism is provided at the part to be opened, and the opening / closing mechanism is provided at the part located at the opening of the back cover so that the back cover can be removed even when the electronic device is fixed to the wall surface or ceiling. Without opening the opening / closing mechanism part, it is possible to remove the heat dissipation unit together with the parts located inside the electronic device of the heat dissipation unit from the side adjacent to the surface with the heat dissipation unit of the electronic device. There is an effect that it is possible to simplify the maintenance of the heat dissipating unit of the electronic equipment using.

  In the electronic device using the heat dissipation unit according to claim 15 of the present invention, the back cover is provided for each of the plurality of heat dissipation units provided in the electronic device, and the back cover is the take-out of the electronic device. An opening / closing mechanism is provided in a part located in the opening and a part serving as a projection surface of the heat radiating unit on the extraction opening side, and the back cover is fixed to a surface of the electronic device provided with the heat radiating unit. Therefore, even when the electronic device is fixed to the wall surface, ceiling, etc., heat is released from the surface side adjacent to the surface provided with the heat dissipation unit of the electronic device by opening the opening / closing mechanism without removing the back cover. Since it is possible to remove the heat dissipation unit for each part located inside the electronic equipment of the unit, maintenance of the heat dissipation unit of the electronic equipment using the heat dissipation unit is possible. An effect that can be simplified.

  The electronic device using the heat dissipation unit according to claim 16 of the present invention is such that the electronic device includes a back cover that covers the heat dissipation unit, and the back cover includes a plurality of the back covers. Provided for each heat dissipation unit, the back cover is fixed to the partition plate of the heat dissipation unit, so that the surface including the heat dissipation unit of the electronic device even in a state where the electronic device is fixed to a wall surface, a ceiling or the like Since the heat dissipation unit can be removed together with the parts located inside the electronic device of the heat dissipation unit and the back cover fixed to the partition plate of the heat dissipation unit, the heat dissipation of the electronic device using the heat dissipation unit can be removed. There is an effect that the maintenance of the unit can be simplified.

  Hereinafter, the present embodiment will be described with reference to the drawings.

(Embodiment 1)
In FIG. 1, reference numeral 1 denotes a display device used as an example of an electronic device, which can display advertisements in addition to the function as a television receiver.

  Accordingly, in FIG. 1, the display device 1 is installed under the eaves 3 of the store 2, that is, outdoors, and the horizontally long display unit 4 is exposed in the outdoors.

  In the present embodiment, the electronic device is referred to as a display device 1.

  As shown in FIGS. 2 and 3, the display device 1 includes a horizontally long casing 5 having an open front surface and a rear surface, a display unit 4 disposed in a watertight state in the opening of the casing 5, and the casing 5. And a control unit 6 as a control board for controlling the display unit 4, a plurality of heat radiation units 7 disposed in a watertight state in the rear opening of the housing 5, and a rear surface of the heat radiation unit 7. And a back cover 8 that covers the side in a vented state. In the present embodiment, as shown in FIG. 3, three heat radiating units 7 are arranged side by side so that the rear opening of the housing 5 is covered with a plurality of heat radiating units 7 in a watertight state.

  Further, each of the three heat radiating units 7 is mounted in the rear opening of the housing 5 constituting the display device 1 as shown in FIG. 3, and the vertically long state in which the inside and the outside of the housing 5 are partitioned in a watertight state. A partition plate 9 made of metal, a heat exchanger 10 disposed on the outside of the housing 5 of the partition plate 9, and a plurality of blowers 11 disposed on the inside of the housing 5 of the partition plate 9. Yes. In addition, although the partition plate 9 of the three heat radiating units 7 is a vertically long rectangle in this embodiment, it can be formed in a horizontally long rectangular shape or a square shape depending on the shape of the housing 5 or the like. For example, when three heat radiating units 7 are made into one heat radiating unit 7, the partition plate 9 becomes one horizontally long rectangular shape.

  In addition, the partition plate 9 is provided with a plurality of upper vent holes 12 at a predetermined interval in the lateral direction above it, and below it is provided with a plurality of lower vent holes 13 at a predetermined interval in the lateral direction. ing.

  Further, as shown in FIG. 3, the heat exchanger 10 has a plurality of upper vents 12 and a plurality of lower vents 13 respectively connected by hot air passages 14 on the outside of the housing 5 of the partition plate 9. It is structured to be connected in a bridge shape in the vertical direction.

  That is, the hot air passage body 14 is a cylindrical shape made of synthetic resin, and is in a state where the upper vent 12 and the lower vent 13 are communicated with each other on the outside of the housing 5. As shown in FIG. 4, the air inside the housing 5 is blown in order from the upper vent 12 of the partition plate 9 to the inside of the warm air passage body 14 and to the lower vent 13.

  In addition, as shown in FIG. 3, the display device 1 has an extraction opening 15 (broken line portion) that is an opening larger than the projected shape of a portion located inside the display device 1 of the heat radiating unit 7 so-called the housing 5. In preparation for this, a closing plate 16 which is larger than the extraction opening 15 and integrated with the partition plate 9 is provided outside the display device 1 of the extraction opening 15. However, the projected shape of the portion of the heat radiating unit 7 that is located inside the display device 1 so-called the housing 5 is only the heat radiating unit 7 with respect to the extraction opening 15, and the projected shape of the plurality of heat radiating units 7 is the same. Not that. The closing plate 16 has a first handle 17 as shown in FIG.

  As shown in FIG. 5, the heat radiating unit 7 is configured to be fixed only from the surface of the housing 5 provided with the extraction opening 15 by the closing plate fixing portion 18. The closing plate fixing portion 18 in the present embodiment includes a female screw in the housing 5, a hole for allowing the male screw to pass through the closing plate 16, and the male screw from the outside of the housing 5 and the closing plate 16. The heat dissipating unit 7 is fixed to the housing 5 by being fixed to the female screw 5.

  Further, as shown in FIG. 5, the housing 5 is provided with an insertion guide 19 for installing the heat dissipation unit 7 in the housing 5 of the display device 1.

  As shown in FIG. 5, the housing 5 is provided with a sealing member 20 for pressing the heat radiating unit 7 against the housing 5 of the display device 1 when the heat radiating unit 7 is fixed to the mounting position of the display device 1. Further, the buffer member 21 is provided on the surface of the sealing member 20 on the heat radiating unit 7 side, and the sealing member 20 has an arc shape having a center point in the outer direction of the display device 1 as shown in FIG. 5 is provided with a third fixing portion 22 for fixing the sealing member 20 to the housing 5 on the surface on which the closing plate 16 is fixed. The sealing member 20 is made of a material having excellent rigidity such as metal, and the buffer member 21 is made of a material having excellent elasticity such as urethane foam.

  Moreover, as shown in FIG. 6 which is AA 'cross section of FIG. 5, the 1st control connector 23 connected with the motor | power_engine of the air blower 11 was provided in the wall surface of the air blower 11 of the thermal radiation unit 7, and the 1st control connector Reference numeral 23 denotes a second control connector 24 which is fixed to the blower 11 in a state where the connection portion is exposed in the insertion direction X when the heat radiating unit 7 is installed in the housing 5, and is paired with the first control connector 23. Is configured to be fixed at a position where it is connected to the first control connector 23 at the mounting position of the heat dissipation unit 7 inside the display device 1.

  Note that the state in which the connection portion is exposed in the insertion direction X when the heat dissipation unit 7 of the first control connector 23 is installed in the housing 5 as shown in FIG. The first control connector 23 and the second control connector 24 can be inserted / removed when moved in the insertion direction X from the installation position 5.

  Further, in the present embodiment, the blower 11 is a part of the blower 11 which is a casing integrated with the blower 11.

  Therefore, as shown in FIG. 5, when the heat radiating unit 7 is attached to the display device 1, the insertion guide 19 having the first handle 17 and the heat radiating unit 7 provided along the insertion direction X shown in FIG. The first control connector 23 fixed to the blower 11 is inserted into the display device 1 when the heat radiating unit 7 is inserted toward the take-out opening 15 of the display device 1 and the heat radiating unit 7 is inserted into the display device 1. It is connected to the second control connector 24 fixed inside, and then the closing plate 16 and the housing 5 are fixed using the closing plate fixing portion 18, and finally the heat radiating unit 7 is mounted using the sealing member 20. The heat radiating unit 7 is attached to the display device 1 by fixing the sealing member 20 to the housing 5 by the third fixing portion 22 while being in close contact with the body 5.

  Further, when removing the heat radiating unit 7 from the display device 1, the third fixing portion 22 that fixes the sealing member 20 to the housing 5 is removed, and the closing plate that fixes the heat radiating unit 7 to the housing 5 of the display device 1. The first control connector 23 and the second control connector 24 are connected by removing the fixing portion 18 and holding the first handle 17 and pulling out the heat radiation unit 7 in the direction opposite to the insertion direction X. And the heat dissipation unit 7 is removed from the display device 1.

  As shown in FIG. 7, the display device 1 includes a blower outlet opening 25 that is an opening larger than the projection shape of the blower 11 in the closing plate 16, and is larger than the blower outlet opening 25 outside the display device 1 of the blower outlet opening 25. The blower take-out closing plate 26 is provided. The blower take-off block plate 26 is configured to be fixed to the block plate 16 from the outside of the housing 5 by a blower take-out block plate fixing portion 27.

  In addition, a first fixing portion 28 for fixing the blower 11 to the partition plate 9 is provided on the blower outlet opening 25 side of the blower 11, and a second fixing portion 29 that is paired with the first fixing portion 28 is provided. The partition 9 is provided with a configuration. The second fixing portion 29 in the present embodiment is provided with a female screw, the first fixing portion 28 is provided with a hole for allowing the male screw to pass therethrough, and the second fixing portion 29 of the first fixing portion 28 is provided. The blower 11 is fixed to the partition plate 9 by inserting a male screw from the opposite side and fixing it to the female screw of the second fixing portion 29.

  Further, the blower 11 includes a second handle 30 on the take-out opening 15 side of the blower 11, and the partition plate 9 has a role of preventing the air leakage and a guide when the blower 11 is mounted on the partition plate 9. The configuration is provided with a portion 31.

  Therefore, as shown in FIG. 7, when the blower 11 is attached to the partition plate 9 in a state where the components of the heat radiating unit 7 other than the blower 11 are attached to the display device 1, the second handle 30 is held and the blower 11 is attached. A first control connector fixed to the blower 11 when inserted into the housing 5 from the blower outlet opening 25 along the insertion direction X shown in FIG. 23 is connected to the second control connector 24 fixed inside the display device 1, and then the blower 11 is fixed to the partition plate 9 using the first fixing part 28 and the second fixing part 29, Then, the blower 11 is attached to the partition plate 9 by fixing the blower take-off block plate 26 and the block plate 16 by using the blower take-out block plate fixing portion 27.

  Further, when the blower 11 is removed from the partition plate 9, the first take-out fixing plate 27 that fixes the blower take-out closing plate 26 to the closing plate 16 is removed and the blower 11 is fixed to the partition plate 9. 28 and the second fixing portion 29 are removed, and then the second handle 30 is held, and the blower 11 is pulled out in the direction opposite to the insertion direction X, whereby the first control connector 23 and the second control are controlled. The connector 24 is disconnected, and the blower 11 is removed from the partition plate 9.

  In the above description, the detachment of the heat radiating unit 7 and the blower 11 has been described. However, in the present embodiment, as shown in FIG. An opening / closing mechanism 32 having an opening larger than the projected area of the heat dissipating unit 7 on the surface of the rear cover 8 on the outside of the take-out opening 15 and the closing plate 16 so that the blower 11 can be attached and detached; The heat radiating unit 7 and the blower 11 can be attached and detached without removing the back cover 8.

  Next, the heat dissipation of the display device 1 using the heat dissipation unit 7 in the present embodiment will be described.

  Since the front opening of the housing 5 is covered with the display unit 4 and the rear opening is covered with the partition plate 9 in a watertight state, the heat of the display unit 4 and the control unit 6 is trapped in the housing 5. It will be.

  Therefore, in the present embodiment, the above-described heat radiating unit 7 is provided, and when the blower 11 is driven, the heat in the housing 5 is upward as warm air, as indicated by the hatched arrow in FIG. 4B. It is conveyed from the vent 12 into the warm air passage body 14, that is, out of the housing 5.

  After that, the air cooled in the hot air passage body 14 is conveyed from the lower vent 13 into the housing 5, whereby the control unit 6 is cooled.

  As shown in FIG. 4A, which is a side cross-sectional view showing the flow of air outside the display device 1, the hot air passage body 14 is cooled in a multi-open state back cover capable of venting up and down and left and right. As shown by the white arrow in FIG. 4A from 8, the outside air that has entered rises along the surface of the hot air passage body 14, and is performed.

  In the present embodiment, the hot air passage body 14 is made of synthetic resin. However, if the plate thickness is reduced, heat exchange by convection is performed even if the thermal conductivity of the synthetic resin is smaller than that of metal. Sufficient heat exchange can be performed by the action.

  In addition, since the warm air passage body 14 of the present embodiment is provided with a ventilation path on the partition plate 9 side, it seems that the ascending path cannot be separated only by this ventilation path. Since this is due to a draft action due to a temperature rise, a sufficient draft action can be obtained between the hot air passage bodies 14, and as a result, heat exchange between the outside air and the hot air in the hot air passage body 14 can be sufficiently performed. It becomes.

  The operation and effect of the display device 1 using the heat radiating unit 7 configured as described above will be described below.

  As shown in FIGS. 3, 5 and 6, the display device 1 using the heat radiating unit 7 includes the heat radiating unit 7 on one surface of the housing 5 of the display device 1, and the heat radiating unit 7 is a heat exchanger 10. And a partition plate 9 for separating the inside and the outside of the display device 1 and the blower 11, and projection of a portion located inside the display device 1 of the heat radiating unit 7 on a surface adjacent to the surface provided with the heat radiating unit 7 of the display device 1. Even when the display device 1 is fixed to a wall surface, a ceiling, or the like by including the extraction opening 15 which is an opening larger than the shape and including the closing plate 16 larger than the extraction opening 15 outside the display device 1 of the extraction opening 15. By releasing the fixing of the closing plate fixing portion 18, the heat radiating unit 7 can be removed together with the parts located inside the display device 1 of the heat radiating unit 7 from the surface adjacent to the surface of the display device 1 provided with the heat radiating unit 7. Possible There, it is possible to simplify the maintenance of the heat radiation unit 7 of the display device 1 using the heat-dissipating unit 7. The maintenance of the heat radiating unit 7 in this specification refers to maintenance and inspection work of the display device 1 such as inspection and replacement of the blower 11 of the heat radiating unit 7, inspection and replacement of the heat exchanger 10, and various parts replacement work. Point to.

  In the display device 1 using the heat dissipation unit 7, the heat dissipation unit 7 is fixed to the housing 5 only from the surface side where the extraction opening 15 is provided, so that the display device 1 is fixed to the wall surface, ceiling, or the like. In addition, when the blocking plate fixing portion 18 is unfixed from the surface where the extraction opening 15 is provided, the display device 1 is positioned inside the display device 1 of the heat dissipation unit 7 from the surface adjacent to the surface provided with the heat dissipation unit 7 of the display device 1. Since it is possible to remove the heat radiating unit 7 together with the components, maintenance of the heat radiating unit 7 of the display device 1 using the heat radiating unit 7 can be simplified.

  In addition, the display device 1 using the heat radiation unit 7 has the closing plate 16 as a part of the partition plate 9, so that the closing device 16 of the closing plate fixing portion 18 is fixed even when the display device 1 is fixed to a wall surface, a ceiling, or the like. By releasing the fixing, it is possible to remove the heat radiating unit 7 together with the parts located inside the display device 1 of the heat radiating unit 7 from the surface side adjacent to the surface provided with the heat radiating unit 7 of the display device 1. Maintenance of the heat radiating unit 7 of the display device 1 using 7 can be simplified.

  Further, the display device 1 using the heat dissipation unit 7 is provided with the first handle 17 on the outer surface of the display device 1 of the closing plate 16 so that the display device 1 is fixed to the wall surface, the ceiling, or the like. The component located inside the display device 1 of the heat radiating unit 7 from the surface side adjacent to the surface provided with the heat radiating unit 7 of the display device 1 by unlocking the closing plate fixing portion 18 and pulling the first handle 17. Since it is possible to remove the heat radiating unit 7, the maintenance of the heat radiating unit 7 of the display device 1 using the heat radiating unit 7 can be simplified.

  Further, the display device 1 using the heat dissipation unit 7 includes the insertion guide 19 on the outer periphery of the heat dissipation unit 7 on the surface on which the heat dissipation unit 7 of the display device 1 is mounted, so that the display device 1 is mounted on a wall surface, a ceiling, or the like. Even in the fixed state, by inserting the insertion guide 19, when inserting the heat dissipation unit 7 into the display device 1, the insertion guide 19 is inserted into the insertion guide 19 from the surface side adjacent to the surface of the display device 1 including the heat dissipation unit 7. The heat radiation unit 7 can be inserted along the heat radiation unit 7, and the maintenance of the heat radiation unit 7 of the display device 1 using the heat radiation unit 7 can be simplified.

  Further, the display device 1 using the heat radiating unit 7 has a first fixing portion 28 that is fixed to the heat radiating unit 7 only on the take-out opening 15 side of the blower 11, and the opening larger than the projected shape of the blower 11 in the closing plate 16. In the state in which the display device 1 is fixed to a wall surface, a ceiling, or the like by providing a blower take-off opening 25 that is larger than the blower take-off opening 25 on the outside of the display device 1 of the blower take-out opening 25. In addition, the first fixing portion 28 for fixing the blower 11 to the inside of the housing 5 can be released from the blower take-out opening 25 side, and by removing the blower take-out closing plate 26, the heat radiation unit 7 can be removed from the blower take-out opening 25. Since only the blower 11 can be removed, the maintenance of the heat radiating unit 7 of the display device 1 using the heat radiating unit 7 can be simplified. Kill.

  Further, the display device 1 using the heat radiation unit 7 is provided with the second handle 30 on the side of the take-out opening 15 of the blower 11, so that the take-out opening 15 can be obtained even when the display device 1 is fixed to a wall surface, a ceiling, or the like. The first fixing portion 28 for fixing the blower 11 to the inside of the housing 5 can be unfastened from the side, the blower take-out closing plate 26 is removed, and the second handle 30 is pulled to release the heat dissipation unit from the blower take-out opening 25. Since only the blower 11 can be removed, the maintenance of the heat dissipation unit 7 of the display device 1 using the heat dissipation unit 7 can be simplified.

  In addition, the display device 1 using the heat dissipation unit 7 includes the insertion portion 31 and the second fixing portion 29 of the blower 11 in the partition plate 9, so that the display device 1 is fixed to a wall surface, a ceiling, or the like. In addition, by providing the insertion portion 31, when the blower 11 is inserted into the display device 1, the blower 11 can be inserted into the insertion portion 31, and the second fixing portion 28 is paired with the first fixing portion 28. By providing the fixing portion 29, the blower 11 inserted into the housing 5 can be fixed to the partition plate 9 from the blower outlet opening 25 side. Therefore, the heat dissipation unit 7 of the display device 1 using the heat dissipation unit 7. Maintenance can be simplified.

  Further, in the display device 1 using the heat radiating unit 7, the first control connector 23 connected to the prime mover of the blower 11 is fixed to the heat radiating unit 7 with the connection portion exposed in the insertion direction X of the heat radiating unit 7. The second control connector 24 connected to the control unit 6 paired with the first control connector 23 is connected to the first control connector 23 at the mounting position of the heat dissipation unit 7 of the display device 1. Since the display device 1 is fixed to a wall surface, a ceiling or the like by fixing, only the heat radiation unit 7 and the blower 11 of the heat radiation unit 7 are removed from the surface side adjacent to the surface of the display device 1 including the heat radiation unit 7. In this case, the connection between the first control connector 23 and the second control connector 24 is released, and the heat radiating unit 7 and the surface from the surface adjacent to the surface provided with the heat radiating unit 7 of the display device 1. When only the blower 11 of the heat radiating unit 7 is mounted, the first control connector 23 is only inserted into the housing 5 by inserting only the heat radiating unit 7 and the blower 11 of the heat radiating unit 7 into the housing 5. Since the second control connector 24 is connected, the maintenance of the heat radiating unit 7 of the display device 1 using the heat radiating unit 7 can be simplified.

  Further, the display device 1 using the heat radiating unit 7 includes the sealing member 20 that presses the heat radiating unit 7 against the display device 1, so that the display device 1 can be fixed using screws or the like from the mounting surface of the heat radiating unit 7. Since the airtightness between the heat radiating unit 7 and the display device 1 can be ensured without performing, the maintenance of the heat radiating unit 7 of the display device 1 using the heat radiating unit 7 can be simplified.

  Further, the display device 1 using the heat dissipation unit 7 includes the buffer member 21 at a position where the heat dissipation unit 7 is pressed against a part of the display device 1 on the sealing member 20, so that the heat dissipation unit 7 of the display device 1 is mounted. Since the airtightness between the heat radiating unit 7 and the display device 1 can be secured without fixing with screws or the like from the surface, maintenance of the heat radiating unit 7 of the display device 1 using the heat radiating unit 7 can be easily performed. can do.

  Further, in the display device 1 using the heat dissipation unit 7, the sealing member 20 includes a third fixing portion 22 for fixing the sealing member 20 to the surface of the closing plate 16 or the surface of the display device 1 where the closing plate 16 is fixed. Thus, by providing the third fixing portion 22 for fixing the sealing member 20 on the surface for fixing the closing plate 16 or the closing plate 16 of the display device 1, that is, the side where the maintenance work is performed, the display device 1 is provided. Since the airtightness between the heat dissipation unit 7 and the display device 1 can be ensured without fixing with screws or the like from the mounting surface of the heat dissipation unit 7, the heat dissipation unit 7 of the display device 1 using the heat dissipation unit 7 can be secured. Maintenance can be simplified.

  Further, in the display device 1 using the heat dissipation unit 7, the sealing member 20 has an arc shape having a center point in the outer direction of the display device 1, so that the display device 1 has a center point in the outer direction of the display device 1. By providing the sealing member 20 having a circular arc shape, the sealing performance between the heat radiation unit 7 and the display device 1 can be secured without fixing with screws or the like from the mounting surface of the heat radiation unit 7 of the display device 1. Therefore, the maintenance of the heat dissipation unit 7 of the display device 1 using the heat dissipation unit 7 can be simplified.

  Further, the display device 1 using the heat radiating unit 7 is provided with a back cover 8 that covers the heat radiating unit 7, and the back cover 8 is located at a position located in the take-out opening 15 of the display device 1. By providing the opening / closing mechanism 32, even when the display device 1 is fixed to a wall surface, a ceiling, or the like, the heat radiation of the display device 1 can be performed by opening the opening / closing mechanism 32 portion of the back cover 8 without removing the back cover 8. Since it is possible to remove the heat radiating unit 7 together with the parts located inside the housing 5 of the heat radiating unit 7 from the side adjacent to the surface provided with the unit 7, the heat radiating unit 7 of the display device 1 using the heat radiating unit 7 is provided. Maintenance can be simplified.

  In the present embodiment, the description has been made focusing on the left heat radiating unit 7 shown in FIG. 3, but the central heat radiating unit 7 shown in FIG. Since the components such as the closing plate 16 are positioned, it is possible to remove only the heat radiating unit 7 and the blower 11 of the heat radiating unit 7 in the same way as the left side heat radiating unit 7 shown in FIG. The maintenance of the heat radiating unit 7 of the display device 1 can be simplified.

(Embodiment 2)
In the present embodiment, as shown in FIG. 9, a back cover 8 is provided for each of the plurality of heat radiating units 7, and the back cover 8 radiates heat at a portion located in the take-out opening 15 of the display device 1 and on the take-out opening 15 side. The unit 7 is provided with an opening / closing mechanism 32 at a portion to be a projection surface, and the back cover 8 is configured to be fixed to the surface of the display device 1 including the heat dissipation unit 7. In order to facilitate understanding, in the following description, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is simplified.

  In the present embodiment, since the back cover 8 is fixed to the surface of the display device 1 having the heat dissipation unit 7, the back cover 8 and the heat dissipation unit 7 are not directly connected, and the back cover 8 is connected to the display device. 1, an opening / closing mechanism 32 having an opening larger than the projected area of the heat radiating unit 7 on the surface where the heat radiating unit 7 of the rear cover 8 is inserted and removed so that the heat radiating unit 7 and the blower 11 can be attached and detached. The heat radiation unit 7 and the blower 11 can be attached and detached without removing the back cover 8. Therefore, by opening the opening / closing mechanism 32 portion of the back cover 8, the heat dissipating unit 7 is removed together with the components located inside the housing 5 of the heat dissipating unit 7 from the side of the display device 1 adjacent to the surface provided with the heat dissipating unit 7. Therefore, the maintenance of the heat dissipation unit 7 of the display device 1 using the heat dissipation unit 7 can be simplified.

(Embodiment 3)
In the present embodiment, as shown in FIG. 10, the back cover 8 is provided for each of the plurality of heat dissipation units 7, and the back cover 8 is fixed to the partition plate 9 of the heat dissipation unit 7. In order to facilitate understanding, in the following description, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is simplified.

  In the present embodiment, the back cover 8 is fixed to each partition plate 9 of the plurality of heat radiation units 7, and the partition plate 9 is fixed to the display device 1. Although the rear cover 8 and the display device 1 are not directly connected to each other, the rear cover is integrated with the heat radiating unit 7 when the heat radiating unit 7 and the blower 11 are removed from or attached to the display device 1. 8 can be attached and detached, so that the heat dissipating unit 7 can be removed together with the parts located inside the housing 5 of the heat dissipating unit 7 and the back cover 8 from the side adjacent to the surface of the display device 1 having the heat dissipating unit 7. Therefore, the maintenance of the heat radiating unit 7 of the display device 1 using the heat radiating unit 7 can be simplified.

  As described above, an electronic device using the heat dissipation unit of the present invention is an electronic device having a control board in a housing, and includes a heat dissipation unit on one surface of the housing, and the heat dissipation unit is a heat exchanger. A partition plate for separating the inside and the outside of the electronic device and a blower are provided, and a surface adjacent to the surface including the heat dissipation unit of the electronic device is larger than a projected shape of a portion located inside the electronic device of the heat dissipation unit. Since the take-out opening, which is an opening, is provided and a closing plate larger than the take-out opening is provided outside the electronic device of the take-out opening, maintenance of the electronic device using the heat dissipation unit can be simplified.

  That is, in the present invention, when performing maintenance of the heat dissipation unit as in the past, it takes time and effort to first remove the electronic device from the wall surface and ceiling, then remove the back cover, and finally remove the heat dissipation unit. Even when the electronic device is fixed to the wall or ceiling, it is possible to remove only the heat dissipation unit and the blower of the heat dissipation unit, so that the maintenance of the heat dissipation unit of the electronic device using the heat dissipation unit is simplified. Can do it.

  Therefore, it is widely used for various installation types of electronic devices.

DESCRIPTION OF SYMBOLS 1 Display apparatus 2 Shop 3 House 4 Display part 5 Housing | casing 6 Control part 7 Radiation unit 8 Back cover 9 Partition plate 10 Heat exchanger 11 Blower 12 Upper ventilation hole 13 Lower ventilation hole 14 Hot air path body 15 Outlet opening 16 Closure board 17 First handle 18 Blocking plate fixing portion 19 Insertion guide 20 Sealing member 21 Buffer member 22 Third fixing portion 23 First control connector 24 Second control connector 25 Blower outlet opening 26 Blower outlet closing plate 27 Blower outlet Blocking plate fixing portion 28 First fixing portion 29 Second fixing portion 30 Second handle 31 Insertion portion 32 Opening / closing mechanism

Claims (16)

An electronic device having a control board in a housing, comprising a heat radiating unit on one surface of the housing , the heat radiating unit comprising a heat exchanger and a partition plate separating the inside and the outside of the electronic device , A heat exchanger disposed on the outside of the housing of the partition plate, a plurality of fans disposed on the inside of the housing of the partition plate, a plurality of upper vents in a lateral direction above the partition plate, and A plurality of lower vents in the lateral direction below the partition plate, and the heat exchanger is connected to the upper vent and the lower vent in a longitudinally bridging manner by a cylindrical hot air passage body made of synthetic resin. Then, the air inside the housing is blown in order from the upper vent to the warm air passage and the lower vent, and the surface of the electronic device adjacent to the surface provided with the heat radiating unit is Projection of parts located inside electronic equipment Comprising a take-out opening is larger opening than Jo, an electronic device using the heat dissipation unit, characterized in that with a large closure plate than the extraction opening to the outside of the electronic device of the extraction opening. 2. The electronic apparatus using a heat radiating unit according to claim 1, wherein the heat radiating unit is fixed to the housing only from a surface side where the extraction opening is provided. The electronic device using the heat radiating unit according to claim 1, wherein the closing plate is a part of the partition plate. 4. The electronic device using a heat dissipation unit according to claim 3, wherein the closing plate is provided with a first handle on an outer surface of the electronic device. The electronic device using the heat dissipation unit according to any one of claims 1 to 4, wherein the electronic device includes an insertion guide on an outer periphery of the heat dissipation unit on a surface on which the heat dissipation unit is mounted. . The blower has a first fixing portion that is fixed to a heat radiating unit only on the take-out opening side of the blower, and has a blower take-out opening that is an opening larger than the projected shape of the blower on the closing plate, and the electron in the blower take-out opening The electronic device using the heat radiating unit according to any one of claims 1 to 5, further comprising a blower take-out closing plate larger than the blower take-out opening outside the device. The electronic device using the heat dissipation unit according to claim 6, wherein a second handle is provided on the outlet opening side of the blower. The electronic device using the heat dissipation unit according to claim 6 or 7, wherein the partition plate includes an insertion portion of the blower and a second fixing portion. The first control connector connected to the motor of the blower is fixed to the heat radiating unit in a state where the connecting portion is exposed in the insertion direction of the heat radiating unit, and the control board which is paired with the first control connector 9. The second control connector connected to the electronic device is fixed at a position where it is connected to the first control connector at a mounting position of the heat dissipation unit of the electronic device. Electronic equipment using the heat dissipation unit described in 1. The said electronic device was equipped with the sealing member which presses a thermal radiation unit against the said electronic device, The electronic device using the thermal radiation unit as described in any one of Claims 1-9 characterized by the above-mentioned. The electronic device using a heat dissipation unit according to claim 10, wherein the sealing member includes a buffer member at a position where the heat dissipation unit is pressed against a part of the electronic device. The heat dissipation according to claim 10 or 11, wherein the sealing member includes a third fixing portion for fixing the sealing member to a surface for fixing the blocking plate or the closing plate of the electronic device. Electronic equipment using the unit. The electronic device using the heat dissipation unit according to any one of claims 10 to 12, wherein the sealing member has an arc shape having a center point in an outer direction of the electronic device. The electronic device includes a back cover that covers the heat radiating unit, and the back cover includes an opening / closing mechanism at a portion located in the take-out opening of the electronic device. Electronic equipment using the heat dissipation unit according to any one of 13. The back cover is provided for each of the plurality of heat radiating units provided in the electronic device, and the back cover includes a portion located in the take-out opening of the electronic device and a projection surface of the heat radiating unit on the take-out opening side. 15. An electronic device using a heat dissipation unit according to claim 14, wherein an opening / closing mechanism is provided at a portion of the electronic device, wherein the back cover is fixed to a surface of the electronic device including the heat dissipation unit. machine. The electronic device includes a back cover that covers the heat radiating unit, and the back cover is provided for each of the plurality of heat radiating units provided in the electronic device. The electronic apparatus using the heat dissipation unit according to claim 1, wherein the electronic apparatus is fixed to the partition plate.

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