JP2007116118A - Heating element storage box cooling system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heating element storage box cooling system capable of reducing depth with the depth dimension not limited by the diameter of a blower, relating to a box-like structure which is installed outdoor and comprises a precision equipment which requires cooling. <P>SOLUTION: The outside air blower that carries the air in an outside air path and an inside air blower 3 that carries the air in an inside air path 6 are so arranged that the rotation axis of the blowers is parallel to the direction of air taking. A heat exchanging element 4 for exchanging the sensible heat between the outside air and the inside air is so arranged between the outside air path and the inside air path 6 that the intake opening on the lengthwise air path side of the heat exchanging element 4 agrees with the exhausting opening of the blower. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is a box structure installed outdoors, and has a heating element such as an electronic component inside, which generates a large amount of heat and requires cooling even in winter, and the performance and life are greatly affected by temperature. In particular, the present invention relates to a cooling device and a control method thereof.

  In recent years, higher performance of electronic components and higher density of electronic components with respect to the control board have progressed, and the amount of heat generated from the control board has increased dramatically. Along with this, the temperature in the box tends to rise, and the operation guarantee and product life of the electronic components on the control board are greatly affected by the temperature in the box. For this reason, it is impossible to ensure reliability unless the temperature in the box is cooled below a certain level.

  Conventionally, a heating element storage box cooling device that cools this type of box by pneumatic heat exchange is known to be installed on the outer surface of the box (see, for example, Patent Document 1).

  Hereinafter, the heating element storage box cooling device will be described with reference to FIG.

As shown in FIG. 13, the heating element storage box cooling device includes an internal air passage 105 that takes air from the heating element storage box into the box 101 and returns the air from the internal air inlet 102, and external air from the external air inlet 106. A partition plate 110 that has an outside air passage 109 that takes in and discharges from the outside air outlet 108, and that both air passages are independent from each other, and an outside air fan 103 B that conveys the air in the outside air passage 109 are connected to the fan. Arranged so that the direction of air suction from the rotation shaft and the outside air suction port 106 is perpendicular, the inside air side fan 103A that conveys the air in the inside air flow path 105 is perpendicular to the direction of air suction from the rotation axis of the fan and the inside air suction port 102. And a heat exchange element 104 that exchanges sensible heat between the outside air and the inside air, and is installed outside the panel of the heating element storage box. Cooling
JP 2001-156478 A

  In such a conventional heating element storage box cooling device, since the rotation axis of the fan and the air suction direction are perpendicular, the dimensions of the heating element storage box cooling device that is perpendicular to the panel of the heating element storage box (hereinafter, , Referred to as depth) is restricted by the fan diameter, which increases the size of the fan.

  Moreover, since there is one each of the inside air blower and the outside air blower, there is a problem that when the inside air blower or the outside air blower breaks down, there is a problem that the function as a cooling device cannot be performed at all. It is requested.

  Further, since the arrangement configuration is complicated, there is a problem that the production, maintenance, and construction are complicated, and the arrangement configuration is simple, and it is required that production, maintenance, and construction can be easily performed.

  In addition, there is a problem that dust, rainwater, and the like enter the room through the inside air path, etc., by exposing the outside wall surface of the box to the outside air, and it is possible to prevent rainwater and the like from entering the inside of the box. It is requested.

  The present invention solves such a conventional problem, the depth of the heating element storage box cooling device can be reduced, and the productivity, maintenance performance, which can ensure the cooling capacity even when the blower fails, An object of the present invention is to provide a heating element storage box cooling device that is highly workable and can prevent dust from entering the box and water intrusion due to rainwater, condensation, and the like.

  In order to achieve the above object, the heating element storage box cooling device of the present invention takes in the air from the heating element storage box, and returns the air to the heating element storage box and circulates it, and takes in the outside air and discharges it to the outside air. The outside air blower that carries the air on the outside air wind passage and the inside air blower that carries the air on the inside air wind passage are arranged so that the rotation axis of each blower and the air suction direction are parallel to each other. A heat exchange element that exchanges sensible heat of the inside air is placed between the outside air path and the inside air path so that the suction port on the longitudinal air path side of the heat exchange element is aligned with the blower outlet of the blower to control the operation of the blower The control apparatus which performs is provided.

  By this means, the depth dimension of the heating element housing box cooling device can be configured not to be restricted by the blower diameter, and a heating element housing box cooling device having a thin depth can be obtained.

  Another means is provided with a plurality of heating element storage box cooling devices.

  By this means, it is possible to prevent the cooling function from being lost by operating the blower of another heating element storage box cooling device even when the fan fails, and the heating element storage box cooling device that functions as a cooling device even when the fan fails can get.

  Another means is that the air outlet from the heat exchange element and the inside air outlet and the outside air outlet arranged in the box of the heating element storage box cooling device are matched.

  By this means, it is possible to eliminate the space between the air outlet from the heat exchange element and the inside air outlet and the outside air outlet arranged in the box of the heating element storage box cooling device, and the heating element storage box is thin in depth. A cooling device is obtained.

  In addition, the other means is provided with a plurality of heating element storage box cooling devices, and an outside air temperature detector that detects the outside air temperature by providing an outside air through hole between the outside air blowers of each heating element storage box cooling device, An inside air temperature detector for detecting an inside air temperature is provided by providing an inside air through hole between the inside air blowers of each heating element storage box cooling device.

  By this means, a temperature detector for two adjacent air passages can be shared by one temperature detector, the arrangement configuration is simple and production is easy, and a heating element storage box cooling device capable of detecting temperature even when a blower fails is provided. can get.

  In another means, a heat insulating material having a guide shape for positioning the heat exchange element is arranged inside the heating element storage box cooling device.

  By this means, it is possible to easily and reliably install the heat exchange element, and to obtain a heating element storage box cooling device that has a simple arrangement and is easy to produce and maintain.

  Another means is to provide a wiring groove in the heat insulating material.

  By this means, it is possible to easily and reliably fix the wiring connected to the control device from the blower, and to obtain a heating element storage box cooling device that is simple in arrangement and easy to produce.

  Another means is that a work window is provided on the surface of the heat insulating material that contacts the heat exchange element.

  By this means, it is possible to easily attach / remove the wiring connector from the work window without removing the heat insulating material, and to obtain a heating element storage box cooling device that is simple in arrangement and easy to produce and maintain.

  Another means is to provide a hook-shaped reinforcing means at the outside air outlet of the heating element storage box cooling device box.

  By this means, water entering the outside air outlet can be prevented, the opening of the outside air outlet can be reinforced, and a thin heating element storage box cooling device can be obtained.

  Another means is that the outside air blower or the inside air blower and the orifice for rectification are fixed to the same blower fixing plate.

  By this means, it is possible to easily align the orifice and the blower at the time of assembly, and it is possible to obtain a heating element storage box cooling device that is simple in arrangement and easy to produce.

  Another means is that the shape of the blower fixing plate is symmetrical in the vertical and horizontal directions.

  By this means, the inside air blower and the outside air blower can have the same structure using a common member, and a heating element storage box cooling device that is simple in arrangement and easy to produce and maintain can be obtained.

  The other means is provided with reinforcing means that also serves as a fixing means in the box of the heating element storage box cooling device.

  By this means, the main body can be lifted, and a heating element storage box cooling device with a simple arrangement and easy production can be obtained.

  In addition, another means is provided with a fall prevention means on a removable panel forming one surface of the box of the heating element storage box cooling device.

  By this means, it is possible to prevent the panel from dropping when the panel is removed, and to obtain a heating element storage box cooling device that is simple in arrangement and easy to produce and maintain.

  Another means is provided with a heat exhaust hole on the indoor side wall surface of the control device.

  By this means, a thin heating element storage box cooling device that can reduce the temperature rise in the control device is obtained.

  In addition, the other means is provided with a fixing means that also serves as a handle on a printed circuit board built in the control device.

  By this means, the number of parts can be reduced, and a heating element storage box cooling device that is simple in arrangement and easy to produce and maintain can be obtained.

  The other means is provided with a fixing means that also serves as a heat radiating means on a printed circuit board built in the control device.

  By this means, the heat radiation space of the printed circuit board can be reduced, and a thin heating element storage box cooling device can be obtained.

  Another means is that a mortar-shaped drain pan structure is provided on the bottom surface of the box of the heating element storage box cooling device.

  By this means, by rotating the outside air blower, the water can be drained from the drain outlet located above the bottom by pushing the water upward along the mortar-shaped slope of the drain pan, and the heating element storage is simple and easy to install. A box cooling device is obtained.

  Another means is that the drain pan is provided with a groove shape for leading the drainage to the drainage port.

  By this means, a heating element storage box cooling device can be obtained which can drain water from a drain outlet located in a different direction from the leeward side of the outside air blower and has a simple arrangement and easy construction.

  Another means is that a plurality of heat insulations having different hardnesses are provided between the outer corner of the air outlet from the heat exchange element and the outer air outlet outer corner and the outer air outlet outer corner arranged in the box of the heating element storage box cooling device. The material is arranged in layers.

  By this means, the gap between the air outlet outer corner from the heat exchange element and the inner air outlet outer corner and the outer air outlet outer corner arranged in the box can be firmly filled, and heat generation that can prevent intrusion of dust, rainwater, etc. A body storage box cooling device is obtained.

  Further, the other means is such that one of the innermost air outlet and the outer air outlet arranged in the air outlet from the heat exchange element and the box of the heating element storage box cooling device has an inclined shape.

  By this means, the gap between the air outlet outer corner from the heat exchange element and the inner air outlet outer corner and the outer air outlet outer corner arranged in the box can be firmly filled, and heat generation that can prevent intrusion of dust, rainwater, etc. A body storage box cooling device is obtained.

  Another means is to provide a space between the outer wall surface of the control device and the outer surface of the heating element storage box cooling device in contact with the outside air.

  By this means, it is possible to obtain a heating element storage box cooling device that prevents condensation on the outside wall surface of the control device, has a simple arrangement, and is easy to produce.

  Another means is that an internal toothed washer is provided on the back side of the panel on a screw for fixing the heating element storage box cooling device box and the removable panel.

  By this means, it is possible to prevent the screws from dropping when the panel is removed, and to obtain a heating element storage box cooling device that is simple in arrangement and easy to produce and maintain.

  In addition, another means is provided with means for blocking double entry of dust, rainwater and the like into the heating element storage box in the outside air flow path inside the heating element storage box cooling device.

  By this means, a heating element storage box cooling device can be obtained that can prevent dust, rainwater and the like from entering the box firmly.

  Another means is that a plurality of printed circuit boards built in the control device are arranged in a line.

  By this means, a heating element storage box cooling device with a simple printed circuit board arrangement and easy production and maintenance can be obtained.

  ADVANTAGE OF THE INVENTION According to this invention, the heat generating body storage box cooling device with the effect that the depth of a heat generating body storage box cooling device can be made thin can be provided.

  In addition, when the blower fails, it is possible to provide a heating element storage box cooling device that is effective in preventing the cooling function from being lost by operating the blower of another heating element storage box cooling device.

  In addition, the temperature detection of two adjacent air passages can be shared by one temperature detector, the arrangement configuration is simple and production is easy, and the heating element housing has the effect of being able to detect the temperature even when the blower fails A box cooling device can be provided.

  In addition, it is possible to provide a heating element storage box cooling device that can easily and reliably install a heat exchange element, has an effect of simple arrangement and easy production and maintenance.

  In addition, it is possible to provide a heating element storage box cooling device that can secure the wiring connected to the control device from the blower, and has an effect that the arrangement configuration is simple and the production is easy.

  Further, it is possible to provide a heating element storage box cooling device that can facilitate the connector connection work, has an effect that the arrangement configuration is simple, and production and maintenance are easy.

  Moreover, while preventing the water which permeates into an external air blower outlet, the heat generating body storage box cooling device which has the effect of being able to reinforce the opening part of an external air blower outlet can be provided.

  Further, it is possible to easily align the orifice and the blower at the time of assembly, and it is possible to provide a heating element storage box cooling device having an effect that the arrangement configuration is simple and the production is easy.

  Moreover, the inside air blower and the outside air blower can have the same structure using a common member, and a heating element storage box cooling device having an effect of simple arrangement and easy production and maintenance can be provided.

  In addition, it is possible to provide a heating element storage box cooling device that can lift the main body, has an effect of simple arrangement and easy production.

  In addition, it is possible to provide a heating element storage box cooling device that can prevent the panel from dropping when the panel is removed, and has an effect of simple arrangement and easy production and maintenance.

  Moreover, the temperature rise in a control apparatus can be reduced, and the heat generating body storage box cooling device with the effect that it is thin can be provided.

  Further, it is possible to provide a heating element storage box cooling device that can reduce the number of parts, has a simple arrangement configuration, and facilitates production and maintenance.

  Moreover, the heat-radiating space of the printed circuit board can be reduced, and a heating element storage box cooling device having an effect of being thin can be provided.

  In addition, by pushing up the water upward along the mortar-shaped slope of the drain pan by blowing air from the outside air blower, it is possible to drain from the drain outlet located above the bottom, and the arrangement configuration is simple and the degree of freedom with respect to the installation position is increased. It is possible to provide a cooling device for a heating element storage box.

  Further, it is possible to provide a heating element storage box cooling device that can drain water from a drain port located in a different direction from the lee of the outside air blower, has an effect of simplifying the arrangement and increasing the degree of freedom with respect to the installation position.

  In addition, the gap between the air outlet outer corner from the heat exchange element and the inner air outlet outer corner and the outer air outlet outer corner arranged in the box can be firmly filled, and the intrusion of dust, rainwater, etc. can be prevented. A certain heating element storage box cooling device can be provided.

  In addition, the gap between the air outlet outer corner from the heat exchange element and the inner air outlet outer corner and the outer air outlet outer corner arranged in the box can be firmly filled, and the intrusion of dust, rainwater, etc. can be prevented. A certain heating element storage box cooling device can be provided.

  Further, it is possible to provide a heating element storage box cooling device that prevents condensation on the outer wall surface of the control device, has a simple arrangement, and facilitates production.

  In addition, it is possible to provide a heating element storage box cooling device that can prevent the panel from dropping when the panel is removed, has an effect of simplifying the arrangement and facilitating production and maintenance.

  In addition, it is possible to provide a heating element storage box cooling device that has the effect of firmly preventing dust, rainwater, and the like from entering the inside of the box.

  In addition, it is possible to provide a heating element storage box cooling device that has a simple printed circuit board arrangement and results in easy production and maintenance.

  The heating element storage box cooling device according to claim 1 of the present invention takes in the air in the heating element storage box, and returns the air to the heating element storage box for circulation and the outside air, and discharges it to the outside air. An outside air blower having an outside air passage and an inside air blower carrying the air in the outside air passage and an inside air blower carrying the air in the inside air passage are arranged so that the rotation axis of each blower and the air suction direction are parallel to each other. A heat exchange element for exchanging sensible heat is disposed between the outside air path and the inside air path so that the suction port on the longitudinal air path side of the heat exchange element coincides with the blower outlet of the blower, and controls the operation of the blower Although the depth of the conventional heating element storage box cooling device is determined by the air volume, that is, the fan diameter, the depth can be made constant regardless of the air volume, that is, the fan diameter. Has the effect of device configuration That.

  Also, a plurality of heating element storage box cooling devices are installed, and when one inside air blower or one outside air blower fails, other heating element storage box cooling devices other than the heating element storage box cooling device having the blower are Since it functions, it has the effect | action that it can prevent that a cooling function is lost.

  Also, the air outlet from the heat exchange element coincides with the air outlet provided in the box of the heating element storage box cooling device, and the air outlet from the heat exchange element and the box of the heating element storage box cooling device are arranged. By eliminating the need for a space between the air outlets, the depth of the heating element storage box cooling device has the effect of having an arrangement configuration equivalent to the depth of the heat exchange element.

  Also, an outside air through hole is provided between the outside air blowers of each heating element housing box cooling device, and an outside air temperature detector is arranged there, and an inside air through hole is provided between the inside air blowers of each heating body housing box cooling device. Inside air temperature detector is arranged, temperature detection of two adjacent air passages can be shared by one temperature detector, the arrangement configuration is simple and production is easy, and temperature is detected even when one blower fails Has the effect of being able to

  In addition, a heat insulator that forms a guide shape for positioning the heat exchange element is arranged on the box of the heating element storage box cooling device, and the heat exchange element can be easily and reliably installed according to the guide shape, It has the effect | action of preventing the influence of the external temperature with respect to a heat exchanger with a heat insulating material.

  Moreover, the groove | channel for wiring is provided in the said heat insulating material, and it has the effect | action that the fixation of the wiring connected to a control apparatus from a fan can be ensured by fitting a wiring into a groove | channel at the time of production.

  In addition, a work window is provided on the surface of the heat insulating material that contacts the heat exchange element, and the work window is blocked by incorporating the heat exchange element to make the connector connection part dustproof and waterproof, and the wiring connector connection work Therefore, the arrangement configuration is simple, and the production and maintenance are facilitated.

  In addition, the heat generating body storage box cooling device is provided with a bowl-shaped reinforcing means at the outside air outlet of the box body to prevent water entering the outside air outlet and to reinforce the opening of the outside air outlet. Has the effect of being able to.

  In addition, the fan and the orifice for rectification purpose are fixed to the same fan fixing plate, and the rotation axis of the turbofan and the center of the orifice coincide with each other by fixing it to a single member compared to the installation using multiple members. It is easy to align the orifice and the blower at the time of assembly, and has the effect that the arrangement is simple and the production is easy.

  In addition, the shape of the blower fixing plate is vertically and horizontally symmetrical, the inside air blower and the outside air blower can have the same structure using a common member, and the mounting portion shape is U-shaped, so that the fixing screw It has the effect | action that a blower can be prevented from falling by hooking on etc.

  Further, the heating element storage box cooling device is provided with reinforcing means also serving as a fixing means at the corner of the box body, the main body can be lifted from the upper surface and the lateral surface of the main body, the arrangement configuration is simple, and production is easy. It has the action.

  In addition, the detachable panel that forms one surface of the heating element storage box cooling device is equipped with drop prevention means such as protrusions, so that the panel can be prevented from dropping when the panel is removed, and the arrangement configuration is simple. It has the effect of facilitating production and maintenance.

  In addition, the heat exhaust hole is provided on the indoor side wall surface of the control device, and the air flow discharged from the heat exhaust hole is generated to cool the inside of the control device, thereby reducing the temperature rise and reducing the thickness. Have

  Further, the control device is provided with a fixing means that also serves as a handle on a built-in printed circuit board, and has the effects of reducing the number of parts and improving productivity and maintainability.

  In addition, the printed circuit board built in the control device is provided with a fixing means that also serves as a heat dissipation means, and the heat dissipation space of the board can be reduced and the thickness can be reduced.

  In addition, the heating element storage box cooling device has a mortar-shaped drain pan structure on the bottom of the box, and pushes water along the mortar-shaped slope of the drain pan by blowing air from the outside air blower. It has the effect that the arrangement configuration is simple and the construction becomes easy.

  In addition, the drain pan is provided with a groove shape that guides drainage to the drainage port, and can drain from a drainage port located at a position other than the leeward direction, and has an effect that the arrangement configuration is simple and construction is easy. .

  In addition, the gap between the air outlet outer corner from the heat exchange element and the inner air outlet outer corner and the outer air outlet outer corner arranged in the box can be firmly filled, and the action of preventing entry of dust, rainwater, etc. Have.

  In addition, the gap between the air outlet outer corner from the heat exchange element and the inner air outlet outer corner and the outer air outlet outer corner arranged in the box can be firmly filled, and the action of preventing entry of dust, rainwater, etc. Have.

  In addition, by providing a space between the outer wall surface of the control device and the outer surface of the heating element storage box cooling device that comes into contact with the outside air, and blowing indoor air, dew condensation on the outer wall surface of the control device can be prevented. Simple and easy to produce.

  In addition, the screw that fixes the removable panel that forms one surface of the heating element storage box cooling device has an internal toothed washer on the back side of the panel, which can prevent the screw from dropping when the panel is removed. The arrangement configuration is simple and has the effect of facilitating production and maintenance.

  Moreover, it has the effect | action that a dust, rain water, etc. permeate the inside of a box can be prevented firmly.

  Further, the arrangement configuration of the printed circuit board is simple, and the production and maintenance are facilitated.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
Hereinafter, Embodiment 1 of the present invention will be described with reference to FIGS.

  FIG. 1 is an installation diagram of a heating element storage box cooling device according to Embodiment 1 of the present invention, and FIG. 2 is a view of the indoor side appearance and configuration diagram of the heating element storage box cooling device according to Embodiment 1 of the present invention. FIG. 3 is an external view of the outside of the heating element storage box cooling device according to Embodiment 1 of the present invention, in which a plurality of heating element storage box cooling devices A are installed in the horizontal direction (each figure shows the case of two installations). It shows the state of

  The heating element storage box cooling device A is attached to the door C of the heating element storage box B, and is configured by “door integrated type” mounting.

  Although the heating element storage box cooling device A is attached to the door C of the heating element storage box B, the heating element storage box cooling device A may be externally attached or attached to the door C or the wall surface of the heating element storage box B. .

  Hereinafter, the internal structure of the heating element storage box cooling device A will be described.

  The air in the heating element storage box B (hereinafter referred to as “inside air”) is taken into the turbo fan 15 of the inside air blower 3 from the inside air suction port 2, passes through the heat exchange element 4, and passes through the inside air outlet 5. And the inside air passage 6 that is circulated back to the heating element storage box B is formed.

  On the other hand, after being taken into the turbo fan 15 of the outside air blower 8 from the outside air inlet 7, the outside air air passage 10 is formed that passes through the heat exchange element 4 and is discharged to the outside air through the outside air outlet 9. .

  The heat exchange element 4 is a substantially rectangular parallelepiped, and exchanges sensible heat between the outside air and the inside air, and is disposed between the outside air passage 10 and the inside air passage 6.

  In addition, the inside air blower 3 and the outside air blower 8 have the rotation axis of the turbo fan 15 and the air suction direction parallel to each other, and the blowing direction of each of the inside air blower 3 and the outside air blower 8 is the suction port of the long side air passage of the heat exchange element 4. And a control device 13 that controls the operation of the inside air blower 3 and the outside air blower 8.

  The inside air outlet 5 and the outside air outlet 9 arranged on the surface of the box 1 are both in contact with and integrated with the inside air outlet 16 and the outside air outlet (not shown) of the heat exchange element 4. It is arranged.

  With the above configuration, the heating element storage box cooling device A takes in outside air when the inside air temperature is lower than the outside air temperature, and exchanges heat with the warm air in the heating element storage box B by the heat exchange element 4. When the outside air that has become warm is exhausted and the cooled air is supplied into the heating element storage box B, the temperature inside the heating element storage box B decreases.

  Further, since the heat exchange element 4 and the like are in the air path for blowing air to the cooling device, the air blowing resistance is large, so a centrifugal blower is used. The depth of the heating element storage box cooling device A is determined by the air flow, that is, the turbo fan 15. Since it is determined by the diameter, when the diameter of the turbo fan 15 increases, the depth does not change, so that the centrifugal fan becomes thin.

  Even when the inside air blower 3 or the outside air blower 8 of one heating element housing box cooling device A breaks down, the other heating element housing box cooling devices A hold the cooling function, and all the heating body housing box coolings are performed. Device A is unlikely to fail at the same time and the cooling function is not completely lost.

  Moreover, the space between the inside air outlet 5 and the outside air outlet 9 and the inside air side outlet and the outside air side outlet of the heat exchange element 4 becomes unnecessary, and the depth of the heating element housing box cooling device A may be reduced. it can.

  In addition, although the internal air blower 3 and the external air blower 8 were demonstrated using the turbo fan 15, another kind of fan may be used.

(Embodiment 2)
Next, Embodiment 2 of the present invention will be described with reference to FIG.

  FIG. 4 is a configuration diagram related to the temperature detector of the heating element storage box cooling device in Embodiment 2 of the present invention, and shows a state where a plurality of heating element storage box cooling devices are installed. In FIG. 4, the same components as those in FIGS.

  Inside air temperature detectors 11 for detecting the temperature of the inside air are arranged in inside air through holes 18 provided between the inside air blowers 3 of the respective heating element housing box cooling devices A, and each of the outside air temperature detectors 12 for detecting the temperature of the outside air is provided. It is arranged in an outside air through hole 17 provided between the outside air blowers 8 of the heating element housing box cooling device A.

  With the above configuration, the temperature detection of two adjacent air passages can be shared by one outside air temperature detector 12 and one inside air temperature detector 11 respectively, and the arrangement configuration is simple and production is facilitated, and one inside air blower 3 or Even when the outside air blower 8 breaks down, the air can be blown by the operation of the other blower, so that the temperature can be detected.

(Embodiment 3)
Next, Embodiment 3 of the present invention will be described with reference to FIG.

  FIG. 5: has shown the heat insulating material related block diagram of the heat generating body storage box cooling device in Embodiment 3 of this invention. In FIG. 5, the same components as those in FIG.

  In order to position the heat exchange element 4 in the heating element storage box cooling device, for example, a heat insulating material 19 made of polystyrene foam or the like provided with a guide 20 formed at the edge with a convex wall with which the lower end of the heat exchange element 4 abuts is disposed. Is.

  With the above configuration, the heat exchange element 4 can be mounted and positioned so that the lower end of the heat exchange element 4 is in contact with the guide 20, so that the mounting is easy, the arrangement configuration is simple, and production and maintenance are easy. Further, it is possible to prevent the cooling performance from being affected by the temperature of the outside air and the inside air due to the heat insulating effect.

(Embodiment 4)
Next, Embodiment 4 of the present invention will be described with reference to FIG.

  FIG. 6 shows a heat insulating material structure diagram of the heating element storage box cooling device according to Embodiment 4 of the present invention. In FIG. 6, the same components as those in FIG.

  A groove 21 is provided on the back side of the surface of the heat insulating material 19 that contacts the heat exchange element 4, and a work window 23 is provided in the groove 21.

  With the above configuration, the relay wiring 22 that connects the outside air blower 8 and the control device 13 is fitted into the groove 21 and the heat insulating material 19 is mounted in the box, so that the wiring is performed at the same time. Production becomes easier.

  Moreover, the connection location of the connector 24 of the outside air blower 8 and the relay wiring 22 can be accommodated in the heat insulating material 19, and the connection location of the connector 24 can be easily removed, the arrangement configuration is simple, and production and maintenance are easy. become. In addition, since the work window 23 is blocked by incorporating the heat exchange element, the connection portion of the connector 24 becomes dustproof and waterproof.

(Embodiment 5)
Next, a fifth embodiment of the present invention will be described with reference to FIG.

  FIG. 3 shows a surface on the outside air side of the box body of the heating element storage box cooling apparatus A, and the outside air outlet 9 is provided with a flange member 51.

  With the above configuration, even if the outside air outlet 9 is provided in the box of the heating element storage box cooling device A, the box member 51 is attached to reinforce the box of the heating element storage box cooling device A and prevent rain.

(Embodiment 6)
Next, a sixth embodiment of the present invention will be described with reference to FIG.

  FIG. 7 shows a blower structure diagram of the heating element storage box cooling device in Embodiment 6 of the present invention. In FIG. 7, the same components as those in FIG.

  The inside air blower 3 or the outside air blower 8 is obtained by fixing a motor (not shown) connected to the turbo fan 15 and an orifice 25 for rectification to the same blower fixing plate 26.

  Further, the shape of the blower fixing plate 26 may be symmetrical in the vertical and horizontal directions, and the shape of the attachment portion 27 may be U-shaped.

  With the above configuration, the rotation axis of the turbo fan 15 and the center of the orifice 25 can easily coincide with each other, the assembly tolerance due to the stacking of component tolerances and the assembly tolerance can be reduced, the arrangement configuration is simple, and the production is facilitated.

  In addition, the vertically and horizontally symmetrical shapes can be reversed and attached, and even when the inside air blower 3 and the outside air blower 8 must be attached in opposite directions, the blower fixing plate 26 can be used as a common member. The blower 3 and the outside air blower 8 can have the same structure. Moreover, since the attachment location 27 is U-shaped, it can be prevented from falling by being hooked on a fixing screw or the like at the time of attachment.

(Embodiment 7)
Next, a seventh embodiment of the present invention will be described with reference to FIG.

  FIG. 8 shows a structural diagram of a reinforcing member of a heating element storage box cooling device according to Embodiment 7 of the present invention. In FIG. 8, the same components as those in FIG.

  It is a corner portion of the box 1 of the heating element storage box cooling device A, and a reinforcing member 29 having attachment holes 28 that can be attached to eyebolts or the like is provided on the top and side surfaces of the box 1.

  With the above configuration, it is possible to carry the machine by attaching an eyebolt or the like to the mounting hole 28, and to facilitate the movement of the heating element storage box cooling device A. For example, the heating element on the production line at the time of production The direction change of the storage box cooling device A, the lifting at the time of packing, and the like are facilitated, and the productivity is improved.

  In FIG. 8, the mounting hole 28 is on the top surface, but it may be a side surface.

  Further, in FIG. 8, there is one mounting hole 28, but a plurality of mounting holes 28 may be provided.

(Embodiment 8)
Next, an eighth embodiment of the present invention will be described with reference to FIG.

  FIG. 2 is a surface on the inside air side of the box body 1 of the heating element storage box cooling apparatus A, and a detachable panel 30 is provided with a protrusion 31, and the protrusion 31 fits when the panel 30 of the box 1 is attached. A slit 32 is provided at a position.

  Further, a heat exhaust hole 33 is provided at a location where the control device 13 of the panel 30 is closed.

  With the above configuration, the panel 30 can be prevented from dropping after the fixing member such as a screw for fixing the panel 30 is removed, the arrangement configuration is simple, and production and maintenance are facilitated.

  Further, the control device 13 can be cooled by the exhaust heat from the exhaust heat hole 33.

  Note that the heat exhaust hole 33 may be provided even if the indoor side surface of the control device 13 is not a panel structure and has a wall surface structure that cannot be removed.

(Embodiment 9)
Next, Embodiment 9 of the present invention will be described with reference to FIG.

  FIG. 9 shows a control device assembly diagram of the heating element storage box cooling device according to the ninth embodiment of the present invention. 9, the same components as those in FIG. 2 are denoted by the same reference numerals, and description thereof is omitted.

  A handle 35 having a hole that can be fixed with a screw or the like is provided in the printed circuit board 34, and the control device 13 is provided with a rail 36 that serves as a guide when the printed circuit board 34 is inserted. Is fixed to the control device 13.

  With the above configuration, by providing the handle 35 with a function of fixing the printed circuit board 34, a separate fixing member is not necessary, and the number of components can be reduced, and the arrangement configuration is simple, and production and maintenance are facilitated.

(Embodiment 10)
Next, Embodiment 10 of the present invention will be described with reference to FIG.

  FIG. 10 shows a control device structure diagram of the heating element storage box cooling device according to the tenth embodiment of the present invention. 10, the same components as those in FIG. 2 are denoted by the same reference numerals and description thereof is omitted.

  The printed circuit board 38 includes a heat radiating plate 37 and is attached by inserting the heat radiating plate 37 into a notch provided in the outer shell of the control device 13.

  As a result, the heat radiating plate 37 becomes a part of the outline of the control device 13 and comes into contact with the inside air path 6.

  With the above configuration, when installing the printed circuit board 38 inside the control device 13, a space for heat dissipation is not required between the heat radiating plate 37 and the outer wall of the control device 13, and the control device 13 can be made small.

(Embodiment 11)
Next, an eleventh embodiment of the present invention will be described with reference to FIG.

  FIG. 11 shows a drain pan-related configuration diagram of the heating element storage box cooling device according to the eleventh embodiment of the present invention. 11, the same components as those in FIG. 3 are denoted by the same reference numerals, and description thereof is omitted.

  At the bottom of the box 1 of the heating element storage box cooling device A, a drain port 39 is provided at a position higher than the bottom of the outside air side surface of the box 1, and the bottom of the outside air blower 8 is the lowest surface at the bottom of the box. The drain pan 40 which is the shape of a mortar heading is provided.

  With the above-described configuration, the bottom surface of the drain pan 40 is formed by pushing up the rainwater that has entered from the outside and collected in the drain pan 40 by blowing air from the outside air blower 8 without using a separate member such as a pump, along the mortar-like slope of the drain pan 40. Since the water can be drained from the drain port 39 located at a higher position and the degree of freedom is increased with respect to the installation position, the construction is facilitated.

(Embodiment 12)
Next, Embodiment 12 of the present invention will be described with reference to FIG.

  FIG. 12 shows a drain pan structure diagram of the heating element storage box cooling device according to the twelfth embodiment of the present invention. 12, the same components as those in FIGS. 3 and 11 are denoted by the same reference numerals, and description thereof is omitted.

  A groove 41 is provided in the drain pan 40 so as to avoid the lower part of the outside air blower 8 and toward the drain port 39.

  With the above configuration, rainwater that enters from the outside and collects in the drain pan 40 can be drained from the drain port 39 at a position other than the leeward side without using a separate member such as a pump, which increases the degree of freedom with respect to the installation position. Therefore, construction becomes easy.

(Embodiment 13)
Next, a thirteenth embodiment of the present invention will be described with reference to FIG.

  FIG. 13 shows a heat insulating material layout diagram of the heating element storage box cooling device according to Embodiment 13 of the present invention. In FIG. 13, the same components as those in FIGS.

  Outer corners around the blower outlet that blows out the internal air from the heat exchange element 4, the outer corners around the outside air outlet 9 of the box 1, and the outer corners around the inner air outlet 5. In the space between, the total thickness added is about several millimeters larger than the space, the hardness is relatively high, for example, a heat insulating material A42 such as polyethylene, the hardness is relatively low, for example, a heat insulating material such as ept sealer B43 is arranged in a layered manner along the opening of each outlet. In addition, the outermost air outlet 9 and the inner air outlet 5 are located at the four corners of the outermost corner with an inclined shape of about 45 °, and the heat insulating material A42 and the heat insulating material B43 are also arranged in layers along the inclined shape.

  With the above configuration, the heat insulating material A42 and the heat insulating material B43 disposed in the space between the heat exchange element 4 and the outside air outlet 9 and the inside air outlet 5 are crushed at different compression rates. Even when it is difficult to make the flatness uniform as in the case of the heat exchange element 4, the space can be firmly filled. In addition, the size of the space between the heat exchange element 4 and the box 1 is likely to vary due to the deflection of the surface of the box 1 at the air outlet. The area of the enlarged portion can be reduced.

  If the space can be firmly filled, it is possible to prevent intrusion of dust, rainwater and the like contained in the outside air from between the heat exchange element 4 and the outside air outlet 9 and the inside air outlet 5.

(Embodiment 14)
Next, a fourteenth embodiment of the present invention will be described with reference to FIG.

  FIG. 14 shows a connection-related cross-sectional view of a box body and a panel of a heating element storage box cooling apparatus according to Embodiment 14 of the present invention. Hereinafter, the panel and box attachment structure of the present embodiment will be described. 14, the same components as those in FIG. 3 are denoted by the same reference numerals, and description thereof is omitted.

  The box opening end 1d, which is an opening for attaching the panel 30 to the box 1 (the entire circumference of the opening on one surface of the box), will be described below at one end on the bottom side as a representative. The box 1 constituting the heating element storage box cooling apparatus A includes, for example, a steel box, a box first bent portion 1a bent from the bottom surface at an acute angle with the box opening end 1d as a fulcrum, and a box first A second bent box body bent at an angle substantially parallel to a plane portion of a panel 30 (hereinafter referred to as a panel 30) that can be removed with the end portion of the bent portion 1a opposite to the box opening end portion 1d as a fulcrum. A box body third bent portion 1c formed by being bent at an angle substantially perpendicular to the panel 30 with an end portion of the box body second bent portion 1b opposite to the box body first bent portion 1a as a fulcrum. Composed. The panel 30 side end of the box third bent portion 1c is made a few mm shorter than the thickness of the panel 30 as viewed from the box opening end 1d. Moreover, the pop nut 47 is provided in the flat part of the box body 2nd bending part 1b, for example.

  The pop nut 47 may be a welding nut or a burring tap.

  On the other hand, the panel 30 is bent with an inclination of 2 to 3 ° so that the bottom side end of the box 1 is parallel to the box first bent portion 1a or toward the plane of the box first bent portion 1a. The box 1 and the panel 30 are connected to the pop nut 47 of the box second bent portion via the screw 45, but the end portion of the panel bent portion 30a of the panel 30 has a sealing performance against water and air. The 1st heat insulating material 48 which has is arranged. In addition, the panel 30 is provided with a second heat insulating material 49 having a sealing performance against water and air at a portion in contact with the box third bent portion 1c.

  In addition, the 1st heat insulating material 48 may be distribute | arranged on the plane by the side of the box 1st bending part 1a, and the 2nd heat insulating material 49 may be distribute | arranged to the front-end | tip of the box 3rd bending part 1c.

  An internal toothed washer 46 is provided in advance on the screw 45 in the space behind the panel 30, and the screw 45 is fastened to the pop nut 47 to attach the panel 30 to the box 1. A space having a depth formed by the length of the box third bent portion 1c is formed between the box second bent portion 1b and the panel 30, and the internal toothed washer 46 is free in the space. Will be placed in position.

  The material of the washer 46 may be a metal such as a steel plate, but it is desirable to use a resin such as nylon because it may damage the thread.

  With the above configuration, when the panel 45 is fixed to the box body 1 by tightening the screws 45, the box body first is made possible by the nature (elasticity) of the spring that is made possible by forming the box body first bent portion 1a with a steel plate. With the bent portion 1a as a fulcrum, the box third bent portion 1c and the panel 30 are brought into close contact with each other while being crushed by the second heat insulating material 49. Similarly, a force attracting each other acts on the box first bent portion 1 a and the panel bent portion 30 a of the panel 30, and the first heat insulating material 48 is crushed and is in close contact with each other.

  Further, when the screw 45 is loosened and the panel 30 is removed from the box 1, the washer 46 is removed because the space between the box second bent portion 1 b and the panel 30 exists after the screw 45 is removed from the pop nut 47. Since the screw 45 remains, the screw 45 does not fall from the panel 30.

  In the case where the rotation axis of the blower that makes the depth thin and the air suction direction are parallel, dust, rainwater, etc. that intrudes when taking in outside air scatters on the wall surface that forms the outside air passage, and is especially removable Although the possibility of entering from the panel 30 is increased, the box first bent portion 1a, the box second bent portion 1b, the box three bent portion 1c, the first heat insulating material 48, and the second heat insulating material 49 are combined. With the structure that allows the panel 30 to be tightly and firmly adhered to the box body 1 by the screws 45, the dust can be prevented from entering.

  Further, when the panel 45 is removed by loosening the screws 45 during maintenance, the screws 45 can be prevented from dropping from the panel 30.

(Embodiment 15)
Next, Embodiment 15 of the present invention will be described with reference to FIG.

  FIG. 15 shows a configuration diagram of a heating element storage box cooling device according to Embodiment 15 of the present invention. In FIG. 15, the same components as those in FIGS.

  Inside the heating element storage box cooling device A, the control device 13 is arranged between the two inside air blowers 3 and in the blowing direction, and is about 10 mm between the outside air side wall surface of the control device 13 and the outside air surface of the box 1. When a space is provided and the inside air blower 3 is operated, the inside air flow path 6 directly sucked into the suction port of the heat exchange element 4 through which most of the air passes, and the heat exchange element 4 after passing through the space The inside air path 6 to be sucked is formed. Further, the printed board fixing plate 50 on which the printed board 38 is arranged is inserted into a hole provided on the inside air side surface of the control device 13, fixed from the side of the removable panel 30 with a screw, and arranged on the heat radiating plate 37. They are arranged in a row with respect to the printed circuit board 38.

  With the above-described configuration, the air in the inside air path that is relatively higher than the outside air temperature flows between the outside air side wall surface of the control device 13 and the outside air surface of the box 1. Further, by arranging the control device 13 in the middle of the two inside air blowers 3, even when one inside air blower 3 breaks down, between the outside air side wall surface of the control device 13 and the outside air surface of the box 1, Air from the inside air flow path flows. Also, by fixing the printed circuit board fixing plate 50 on which the printed circuit board 38 is arranged to the surface of the control device 13 on the panel 30 side which can be removed by being inserted into a hole provided in the inside air side surface of the control device 13, Attachment / removal of the printed board fixing plate 50 is facilitated.

  By allowing the air in the internal air path relatively higher than the outside air temperature to flow between the outside air side wall surface of the control device 13 and the outside air surface of the box 1, it becomes possible to prevent condensation on the outside air side wall surface of the control device 13. Electrical safety can be ensured. Further, even when one of the two inside air blowers 3 breaks down, the same effect as described above can be maintained, so that condensation can be prevented and electrical safety can be ensured. Further, since the attachment / detachment of the printed board fixing plate 50 is facilitated from the removable panel 30 side, maintenance can be easily performed.

  The present invention is a box structure that is installed outdoors, such as a mobile phone base station, and has a heating element such as an electronic component inside, which generates a large amount of heat and requires cooling even in winter. The present invention can be applied as a cooling device for a box having precision equipment that is greatly affected by temperature and performance and life.

Installation diagram of heating element storage box cooling device in embodiment 1 of the present invention Indoor side appearance view and configuration diagram of heating element storage box cooling device in Embodiments 1 and 8 Outside appearance diagram of heating element storage box cooling device in Embodiments 1 and 5 Temperature detector related configuration diagram of the heating element storage box cooling device in the second embodiment Thermal insulator related configuration diagram of the heating element storage box cooling device in the third embodiment Heat insulator structure diagram of heating element storage box cooling device in embodiment 4 Blower structure diagram of heating element storage box cooling device in embodiment 6 Structure diagram of reinforcing member of heating element storage box cooling device in embodiment 7 Control device assembly diagram of heating element storage box cooling device in embodiment 9 Control device structure diagram of heating element storage box cooling device in embodiment 10 Drain pan-related configuration diagram of heating element storage box cooling device in embodiment 11 Drain pan structure diagram of heating element storage box cooling device in embodiment 12 Heat insulator layout diagram of heating element storage box cooling device in embodiment 13 Cross-sectional view related to connection between box and panel of heating element storage box cooling device in embodiment 14 Printed circuit board arrangement related structure diagram of heating element storage box cooling device in embodiment 15 Configuration of conventional heating element storage box cooling device

Explanation of symbols

A Heating element storage box cooling device B Heating element storage box C Door 1 Box 1a Box first bent part 1b Box second bent part 1c Box third bent part 1d Box body open end 3 Inside air blower 4 Heat exchange Element 5 Inside air outlet 6 Inside air passage 7 Outside air inlet 8 Outside air blower 9 Outside air outlet 10 Outside air passage 11 Inside air temperature detector 12 Outside air temperature detector 13 Controller 14 Heating element storage box 15 Turbo fan 16 Inside air outlet 17 Outside Air Through Hole 18 Inside Air Through Hole 19 Heat Insulating Material 20 Guide 21 Groove 22 Relay Wiring 23 Work Window 24 Connector 25 Orifice 26 Blower Fixing Plate 27 Mounting Location 28 Mounting Hole 29 Reinforcement Member 30 Panel 31 Protrusion 32 Slit 33 Heat Exhaust Hole 34 Printed circuit board 35 Handle 36 Rail 37 Heat sink 38 Printed circuit board 39 Drain port 40 Drain pan 41 Groove 42 Heat insulation material A
43 Insulation B
44 Insulation C
45 screw 46 washer 47 pop nut 48 first heat insulating material 49 second heat insulating material 50 printed circuit board fixing plate 51 collar member

Claims (23)

An outside air blower having an inside air passage that takes in air from the heating element storage box and circulates back into the heating element storage box and an outside air passage that takes in outside air and exhausts it to outside air, and conveys the air in the outside air passage The inside air blower that transports the air in the inside air passage is arranged so that the rotation axis of each blower is parallel to the air suction direction, and the heat exchange element that exchanges sensible heat of the outside air and the inside air is on the longitudinal air passage side of the heat exchange element A heating element storage box cooling device provided with a control device that is disposed between the outside air passage and the inside air passage so that the air inlet and the blower outlet of the blower coincide with each other, and controls the operation of the blower. The heating element storage box cooling device according to claim 1, wherein a plurality of the heating element storage box cooling devices are provided in accordance with a heat generation amount of the heating element. The heating element storage box cooling device according to claim 1 or 2, wherein the air outlet from the heat exchange element coincides with an inside air outlet and an outside air outlet arranged in the box of the heating element storage box cooling device. A plurality of heating element storage box cooling devices are installed, and an outside air temperature detector for detecting the outside air temperature is provided between the outside air blowers of each heating element storage box cooling device, and each heating element storage box cooling device is arranged. The heating element storage box cooling device according to claim 2, wherein an inside air temperature detector for detecting an inside air temperature is provided by providing an inside air through hole between the inside air blowers. The heat generating body storage box cooling device according to claim 1 or 2, wherein a heat insulating material forming a guide shape for positioning the heat exchange element is disposed inside the heat generating body storage box cooling device. The heating element storage box cooling device according to claim 1 or 2, wherein a wiring groove is provided in the heat insulating material. 3. The work window is provided on a surface of the heat insulating material that contacts the heat exchange element, and the connector of the wiring can be attached / detached from the work window without removing the heat insulating material. Heating element storage box cooling device. The heating element storage box cooling device according to claim 1 or 2, characterized in that a hook-shaped reinforcing means is provided at an outside air outlet of the heating element storage box cooling apparatus. The heating element storage box cooling device according to claim 1 or 2, wherein an outside air blower or an inside air blower and an orifice for rectification are fixed to the same blower fixing plate. The heating element storage box cooling device according to claim 9, wherein the shape of the blower fixing plate is vertically and horizontally symmetrical, and the shape of the mounting portion of the blower fixing plate is U-shaped. The heating element storage box cooling device according to claim 1 or 2, wherein reinforcing means that also serves as a fixing means is provided at a corner of the heating element storage box cooling apparatus. The heating element storage box cooling device according to claim 1 or 2, wherein a drop prevention means is provided on a removable panel forming one surface of the heating element storage box cooling apparatus. The heating element storage box cooling device according to claim 1 or 2, wherein a heat exhaust hole is provided in an indoor side wall surface of the control device. The heating element storage box cooling device according to claim 1 or 2, further comprising a fixing means that doubles as a handle on a printed circuit board built in the control device. The heating element storage box cooling device according to claim 1 or 2, further comprising fixing means that also serves as heat dissipation means on a printed circuit board built in the control device. Heater storage box cooling device A mortar-shaped drain pan structure is provided on the bottom surface of the box body, and the water is pushed upward by the air blown from the outside of the mortar-shaped drain pan, so that the drainage located above the drain pan bottom. 3. The heating element storage box cooling device according to claim 1, wherein the heating element storage box cooling device can be drained from a mouth. 17. The heating element storage box cooling device according to claim 16, wherein the drain pan is provided with a groove shape that guides drainage to the drainage port so that the drainage can also be drained from a drainage port in a different direction from the leeward side of the outside air blower. A plurality of heat-insulating materials having different hardnesses are disposed in layers between the outer corner of the heat exchange element and the inner air outlet outer corner and the outer air outlet outer corner arranged in the box of the heating element storage box cooling device. The heating element storage box cooling device according to claim 1, wherein the heating element storage box cooling device is provided. 19. The innermost air outlet and the outer air outlet arranged in the air outlet from the heat exchange element and the box of the heating element storage box cooling device have an inclined shape. Heating element storage box cooling device. The heating element storage box cooling device according to claim 1 or 2, wherein a space is provided between an outer wall surface of the control device and an outer surface of the heating element storage box cooling device in contact with outside air. The heating element storage box cooling device according to claim 12, wherein an internal toothed washer is provided on the back side of the removable panel on a screw for fixing the heating element storage box cooling apparatus to the removable panel. . The heating element storage according to claim 1 or 2, further comprising means for doublely blocking the intrusion of dust and water into the heating element storage box inside the heating air storage box inside the heating element storage box cooling device. Box refrigerator. The heating element storage box cooling device according to claim 1 or 2, wherein a plurality of printed circuit boards built in the control device are arranged in rows.

Images