JP2010270976A - Heat exchange device and heat generating element containing device using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heat exchange device capable of being easily constructed from the outside without exposing fixing members such as screws and bolts to an outer face, easily performing maintenance from a front side of the heat exchange device, and securing water-proof performance. <P>SOLUTION: A case 6 of this heat exchange device 3 is provided with a flange 10 projecting to an outer peripheral section, an outer peripheral section of a cover 11 covering the case 6 has a fixing face 12 bent inward, the fixing face 12 is fixed to the flange 10 by cover fixing screws 21, and holes 22 for mounting and demounting the cover are formed on a face of the cover 11 opposed to the cover fixing screws 21, thus the cover fixing screws 21 can be easily taken out from the holes 22 for mounting and demounting the cover, the construction can be easily executed in a state that the cover 11 is demounted, further the cover fixing screws 21 can be easily taken out from the holes 22 for mounting and demounting the cover from the outside, and body fixing screws 4 and the cover fixing screws 21 can be disposed inside of the cover 11, so that the intrusion of rainwater and the like can be suppressed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a heat exchange device and a heating element storage device using the heat exchange device.

  For example, since a current of several tens of amperes or more flows in a mobile phone base station, it is also expressed as a heating element in a certain point. In other words, cooling is extremely important in order to stabilize the operation. Such a mobile phone base station has the following configuration in order to cool the base station. (See FIG. 13).

  That is, as shown in FIG. 13, the cabinet includes a cabinet that houses a transmitter / receiver serving as a heating element, and a heat exchange device 101 that is mounted in an opening of the cabinet. The structure of the heat exchange device 101 includes a main body case 111 having a first suction port 107 and a first discharge port 108 for outside air, and a second suction port 109 and a second discharge port 110 for use in the cabinet, and this main body. A first blower 112 for outside air and a second blower 113 for cabinet inside provided in the case 111, and a heat exchanger 114 for exchanging heat between outdoor air and cabinet air in the main body case 111 are provided. It was a composition. (For example, the following patent document 1).

  Although not shown, a louver is provided on the front side of the main body case 111 where the first suction port 107 is provided so that rainwater or the like does not enter. The main body case 111 is attached to the door of the cabinet so as to be freely opened and closed. A cover using a punching hole is attached to the door from the outside so as to cover the front surface of the heat exchange device 101 (the surface provided with the first suction port 107).

JP 2000-161875 A

  In the conventional heat exchange apparatus, the main body case 111 is attached to the door of the cabinet, and therefore the main body case 111 can be attached with the door open. Further, the mounting location is not limited to the door but may be mounted on a wall surface or the like, but may be mounted in a form protruding from the wall surface by providing an opening. However, in recent years, such a heat exchange device is required to have various mounting locations. That is, it is required that an opening is provided in the wall surface of an existing structure and the opening is embedded in the opening. In such cases, screws, bolts, etc. can be installed easily from the outside of the wall surface, can be easily maintained from the outside, and can not be easily removed by a third party. It has been a problem to prevent the fixing member from being exposed to the outer surface.

  Further, since the transmitter / receiver is housed inside the cabinet, there is a problem that waterproof performance can be secured while performing simple maintenance.

  Therefore, the present invention aims to ensure waterproof performance by providing a fixing member such as a screw or a bolt on the outer surface, allowing easy installation from the outside, easy maintenance from the front side of the heat exchanger. is there.

  In order to achieve this object, the present invention includes a main body case, a blower provided inside the main body case, and a heat exchanger. A heat exchanging device provided with a box-shaped cover having a plurality of openings covering the case, wherein the body case is provided with a flange projecting to the outer periphery of the front surface, and the outer periphery of the cover is fixed by being bent inward The fixing surface is fixed to the flange by screwing, and the cover surface facing the screw is provided with a screw attaching / detaching hole, thereby achieving the intended purpose. It is.

  According to this invention, it has a main body case, the air blower provided in this main body case, and a heat exchanger, and has the several opening which covers the said main body case in the outer side of the said main body case A heat exchange device provided with a box-shaped cover, wherein the main body case is provided with a flange projecting to the outer periphery of the front surface, and the outer periphery of the cover has a fixed surface bent inward, and the fixed surface Is fixed to the flange by screwing, and the cover surface facing the screw is provided with a screw mounting hole so that the fixing surface of the flange and the cover is fixed from the screw mounting hole. The screw can be easily removed, and the flange can be fixed to the wall surface of the structure with the cover removed. Since the screw that fixes the fixing surface of the flange and the cover can be easily removed from the screw attaching / detaching hole from the outside, the maintenance can be easily performed, and the fastening member that fixes the wall surface and the heat exchange device And a screw for fixing the fixing surface of the case and the cover can be provided inside the cover, and can suppress the intrusion of rainwater and the like from the fastening member and the screw, and can secure waterproof performance. Obtainable.

The figure which shows the installation state of the heat exchanger apparatus of Embodiment 1 of this invention and a heat generating body accommodating apparatus using the same The figure which shows the structure in the side cross section of the heat exchanger The figure which shows the structure inside the cover of the heat exchanger Front view of the heat exchanger cover The figure which shows the state which removed the cover of the heat exchanger The figure which shows the upper direction of the state which removed the cover of the heat exchanger The figure which shows the structure in the side surface cross section near the external air exhaust port inside the cover of the heat exchanger The figure which shows the lower part of the cover of the heat exchanger The figure which shows the flange and the case front in the state where the cover of the heat exchanger is removed The figure which shows the structure in the side surface cross section of the upper part of the same heat exchanger The figure which shows the bottom of the heat exchanger The figure which shows the shape of the cover fixing hole of the heat exchanger Schematic configuration diagram of a conventional heat exchange device

  The heat exchanging device according to claim 1 of the present invention is a heat exchanging device having a main body case, a blower provided inside the main body case, and a heat exchanger. A flange projecting on the outer peripheral portion is provided, and a box-shaped cover that covers the main body case and has a plurality of openings is provided on the outer side of the main body case, and the outer peripheral portion of the cover is bent inward. A fixing surface is provided, the fixing surface is fixed to the flange by screwing, and a screw attaching / detaching hole is provided in the cover surface facing the screw for screwing. Thereby, the screw fixing the flange and the fixing surface of the cover can be easily removed from the screw attaching / detaching hole, and the flange can be fixed to the wall surface of the structure with the cover removed. Since it is possible, it can be easily constructed, and even when installed on the wall surface, as described above, the screw fixing the flange and the fixing surface of the cover can be easily removed from the screw attaching / detaching hole from the outside. Maintenance can be easily performed, and a fastening member for fixing the wall surface and the heat exchange device, and a screw for fixing the fixing surface of the case and the cover can be provided inside the cover. Infiltration of rainwater and the like can be suppressed, and waterproof performance can be secured.

  In the heat exchange device according to claim 2 of the present invention, the flange has an L-shaped angle shape, one surface of the flange is fixed to a side surface of the case, and the cover is disposed on a surface perpendicular to the side surface of the case. The surface of the flange to which the cover is attached protrudes outward from the front surface of the main body case, and a caulking agent is applied to the entire circumference of the flange. As a result, there is a step between the front surface of the case and the surface of the flange to which the cover is attached. Therefore, when a caulking agent is applied to the entire circumference of the flange, it can be easily applied, and the front surface of the case and the flange The caulking agent can be reliably applied to the formed corner portion, and waterproofness can be ensured.

  In the heat exchanging device according to claim 3 of the present invention, the main body case includes an outside air inlet and an outside air outlet on the front surface, and the cover faces the bottom surface of the body case and the outside air inlet of the body case. A surface of the main body case facing the outside air exhaust port, and a surface facing the outside air exhaust port of the main body case. The lower end of the outside air exhaust hole is formed at the lower end of the outside air exhaust hole. A partition member for preventing a short circuit between the outside air intake port and the outside air exhaust port of the heat exchange device is provided inside the cover; The upper surface of the member is arranged below the outside air exhaust vent and between the outside air outlet and the outside air inlet. Accordingly, when rainwater enters the cover from the outside air exhaust vent and the rainwater collects on the upper surface of the partition member, the outside air exhaust vent is located below the lower end of the outside air exhaust port. The water can be drained from the outside air exhaust hole without entering the inside of the heat exchange device from the outside air exhaust port, and waterproofness can be secured.

  In the heat exchange device according to claim 4 of the present invention, the upper surface and the bottom surface of the cover have an inclination that widens toward the main body case side, and at least one small hole is formed in the lowermost portion of the bottom surface of the cover. It is equipped with. Accordingly, rainwater adhering to the upper surface of the cover flows in the front side of the cover, that is, in a direction opposite to the cabinet, and drops through the cover, so that rainwater accumulates on the mounting surface of the heat exchange device and the cabinet. Can be prevented and waterproofness can be secured. Further, rainwater collected on the bottom surface of the cover flows toward the bottom of the bottom surface of the cover and drops to the outside through the small hole provided at the bottom, so that rainwater is attached to the mounting surfaces of the heat exchange device and the cabinet. Can be prevented and water resistance can be secured.

  In the heat exchange device according to claim 5 of the present invention, the end of the surface of the flange to which the cover is attached is located inside the end of the cover. Accordingly, when the heat exchange device is attached to the cabinet, a groove is formed between the cover and the wall surface of the cabinet, and when the caulking agent is applied around the cover, the caulking agent enters the groove. Therefore, construction can be easily performed, and at the same time, the contact area of the caulking agent can be increased, and waterproofness can be ensured.

  According to a sixth aspect of the present invention, there is provided a heat exchange device comprising a rail-like reinforcing member on the lower surface of the main body case. Thereby, when the heat exchange device is fitted into the opening for attaching the heat exchange device provided in the cabinet, after placing the bottom surface of the heat exchange device on the bottom surface of the opening, the reinforcing member has a rail shape. Since it can be pushed in smoothly and the reinforcing member is in contact with the bottom surface of the opening, the construction can be easily performed without damaging the case body of the heat exchange device.

  In the heat exchange device according to claim 7 of the present invention, the mounting hole provided in the cover through which the screw for fixing the cover to the flange passes has a size that allows the screw head to pass through the lower part. The upper part is sized such that the screw head does not pass through and the screw part passes through. Thus, when removing the cover from the heat exchange device, the screw head of the screw is screwed in the mounting hole by loosening the screw and sliding the cover upward without completely removing the screw. The head is located in a hole having a size through which the head penetrates, and then the cover can be easily removed by pulling the cover forward. Further, when the cover is attached, the cover is prevented from being detached from the screw by sliding the attachment hole of the cover through the screw and sliding downward, and then the screw is tightened. Thus, the cover can be easily attached.

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

(Embodiment 1)
As shown in FIG. 1, the base station 1 includes a box-shaped cabinet 2, a transmitter / receiver (not shown) as a communication device provided in the cabinet 2, and a heat exchange device provided on the side of the cabinet 2. 3.

  The heat exchange device 3 is installed so as to be embedded in an opening opened in the wall surface of the cabinet 2, and is fixed to the wall surface 5 by a main body fixing screw 4 as shown in FIG.

  The heat exchange device 3 includes an internal air blower 7 for circulating the air in the cabinet 2 in an upper part of a box-like case 6 (main body case), an outdoor air blower 8 for blowing external air in the lower part, and an internal air blower 7 in the center. The heat exchanger 9 which performs heat exchange between the air blown by the air and the air blown by the outside air blower 8 is provided.

  Further, an L-shaped flange 10 is provided on the outer peripheral portion of the heat exchanging device 3, one L-shaped surface is fixed to the case 6, and the heat exchanging device 3 is fixed by the main body fixing screw 4 through the other surface. Is fixed to the wall surface 5.

  A cover 11 is fixed to the flange 10 on the outside air surface of the heat exchange device 3 so as to cover the outside air surface. The upper surface, the bottom surface, and the side surface of the cover 11 are formed so as to be inclined from the wall surface side toward the outdoor side. As shown in FIG. 3, the outer peripheral portion of the cover 11 forms a fixed surface 12 bent inside the cover 11, and the fixed surface 12 is provided with a cover fixing hole 13.

  Inside the cover 11, an outside air exhaust louver 15 is provided at a position facing the outside air exhaust port 14 of the heat exchange device 3, and an outside air intake louver 17 is provided at a position facing the outside air intake port 16. In addition, a packing 18 is provided between the outside air outlet 14 and the outside air inlet 16 as a partition member for preventing a short circuit in which outside air exhausted from the outside air outlet 14 is directly sucked into the outside air inlet 16. .

  As shown in FIG. 4, the cover 11 is provided with a plurality of small-sized outside air exhaust vents 19 at a position facing the outside air exhaust port 14, and a position facing the outside air intake port 16 and a bottom surface of the cover 11. A plurality of small-sized outside air intake holes 20 are provided.

  As shown in FIGS. 5 and 6, the cover 11 is fixed to the flange 10 by a cover fixing screw 21 (through the cover fixing hole 13 of the fixing surface 12). Further, a cover attaching / detaching hole 22 is provided on the front surface of the cover 11 at a position facing the cover fixing screw 21.

  As shown in FIG. 7, the vertical positional relationship of the outside air exhaust port 14, the packing 18, and the outside air exhaust vent 19 is such that the lower end of the outside air exhaust vent 19 is lower than the lower end of the outside air exhaust port 14. And the upper end of the packing 18 is formed below the lower end of the outside air exhaust vent 19. That is, the lower end of the outside air exhaust port 14, the lower end of the outside air exhaust vent 19, and the upper end of the packing 18 are formed in this order from the top.

  Further, as shown in FIG. 8, three drainage small holes 23 are provided at the bottom of the bottom surface of the cover 11.

  As shown in FIGS. 9 and 10, the other surface of the flange 10 fixed to the case 6, that is, the surface to which the cover 11 is fixed is protruded toward the cover 11 with respect to the front surface of the case 6. The caulking agent 24-1 is applied to the corner portion formed by the flange 10 and the entire circumference of the flange 10.

  Further, the end of the surface of the flange 10 to which the cover 11 is fixed is formed so as to be inside the outer shape of the cover 11 when the cover 11 is attached.

  As shown in FIG. 11, the heat exchange device 3 includes a rail 25 as a rail-shaped reinforcing member that extends from the cover 11 side to the facing direction of the cover 11 on the bottom surface thereof.

  As shown in FIG. 12, the shape of the cover fixing hole 13 provided on the fixing surface 12 is such that the lower part is formed to have a hole diameter that allows the screw head of the cover fixing screw 21 to pass therethrough, and the upper part is used for fixing the cover The screw 21 is formed so that the screw head does not pass and the screw portion passes. When fixing of the cover 11 is completed, the center of the end of the portion through which the screw portion passes is formed so as to coincide with the center of the cover attaching / detaching hole 22.

  With the above configuration, when the caulking agent 24-1 is applied to prevent rainwater from entering through the gap between the case 6 and the flange 10 of the heat exchange device 3, the surface of the flange 10 on which the cover 11 is fixed is placed on the case. Since the corner portion can be formed by the case 6 and the flange 10 by projecting toward the cover 11 side with respect to the front surface of FIG. 6, the caulking agent can be reliably applied to the mating portion of the case 6 and the flange 10. Can be secured.

  A procedure for attaching the heat exchange device 3 to the cabinet 2 will be described.

  The case 6 of the heat exchange device 3 is attached with the cover 11 removed. First, the rail 25 provided on the bottom surface of the heat case 6 is placed on the opening formed in the wall surface 5 of the cabinet 2 and pushed toward the cabinet 2. At this time, since the rail 25 is formed in a direction from the outdoor side to the inside side of the cabinet 2, the heat exchange device 3 can be easily slid, and the rail 25 also serves as a reinforcing member, so that heat exchange can be performed. The heat exchange device 3 can be attached without damaging the bottom surface of the case 6 when the device 3 is placed in the opening or when the heat exchange device 3 is slid.

  After the heat exchange device 3 is pushed into the cabinet 2, the flange 10 is fixed to the wall surface 5 with the main body fixing screws 4.

  Next, the cover 11 is attached. Before the cover 11 is attached, the cover fixing screw 21 is screwed into the flange 10 while the screw head is floated by the thickness of the cover 11 or more. In this state, after passing the screw head of the cover fixing screw 21 through the cover fixing hole 13 of the cover 11, the cover 11 is slid downward. In this way, the cover fixing screw 21 is caught by the narrow portion of the cover fixing hole 13. That is, the cover 11 is temporarily fixed, and the cover 11 does not come off even if the hand is removed from the cover. Thereafter, the cover 11 can be fixed by inserting a screwdriver into the cover 11 from the cover attaching / detaching hole 22 and tightening the cover fixing screw 21 located behind the cover attaching / detaching hole 22. Thus, since it can be in the temporarily fixed state in which the cover 11 does not come off even if the hand is removed from the cover 11, the fixing operation of the cover 11 by a subsequent driver can be easily performed.

  Further, when the heat exchange device 3 is attached to the wall surface 5, the main body fixing screw 4 and the cover fixing screw 21 are hidden inside the cover 11, and a third party cannot easily confirm from the appearance. It can be.

  When removing the cover 11, a screwdriver is inserted into the cover 11 from the cover attaching / detaching hole 22, the cover fixing screw 21 at the back of the cover attaching / detaching hole 22 is loosened, and the cover 11 is moved above the heat exchange device 3. Slide. As a result, the screw head of the cover fixing screw 21 is displaced to the position of the hole diameter through which the screw head of the cover fixing screw 21 of the cover fixing hole 13 passes. The cover fixing screw 21 comes off from the fixing hole 13, and the cover 11 can be easily removed from the heat exchange device 3.

  The end of the surface to which the cover 11 of the flange 10 is fixed is formed so as to be inside the outer shape of the cover 11 when the cover 11 is attached. Therefore, a groove 26 is formed between the cover 11 and the wall surface 5 of the cabinet 2, and the caulking agent 24-2 can be pushed into the groove 26. That is, the caulking process of the outer periphery of the case 6 can be easily performed, and the contact area of the caulking agent 24-2, that is, the seal area is increased, so that waterproofness can be ensured.

  Further, when removing the cover 11 during maintenance, it is easy to stab a cutter into the caulking agent 24-2 on the outer periphery of the cover 11, insert its tip into the groove 26, and move the cutter along the groove 26. The caulking agent 24-2 applied to the outer periphery can be cut.

  The work after cutting the caulking agent 24-2 can easily remove the cover 11 as described above, and the outside air exhaust louver 15, the outside air intake louver 17 inside the cover 11, and the outside air exhaust port 14 of the heat exchange device 3. In addition, the outside air intake port 16 can be easily cleaned and the cover 11 can be completely removed from the heat exchanging device 3, so that the cover 11 can be washed.

  After the maintenance, the cover 11 can be easily attached in the same manner as the procedure performed when the heat exchange device 3 is attached to the cabinet 2, and the maintenance can be easily performed.

  Further, the upper surface, the bottom surface, and the side surface of the cover 11 are formed so as to be inclined from the wall surface side toward the outdoor side, and the drainage small hole 23 is provided at the lowermost portion of the bottom surface of the cover 11, thereby The rainwater adhering to the water flows in the front side of the cover 11, that is, in the direction opposite to the cabinet 2, and drops through the cover 11. Therefore, it is prevented that rainwater collects in the attachment part of the cabinet 2 and the heat exchange device 3, that is, the caulking agent 24-2. Further, rainwater collected on the bottom surface of the cover 11 flows toward the lowermost portion of the bottom surface of the cover 11, and is dripped to the outside through a drain hole provided in the lowermost portion. Therefore, it is prevented that rainwater collects in the attachment part of the cabinet 2 and the heat exchange device 3, that is, the caulking agent 24-1. Therefore, it is possible to prevent rainwater collected in the caulking agent 24-1 from entering the cabinet 2 by mistake when the caulking agent 24-1 is cut during maintenance.

  Further, the vertical positional relationship of the outside air exhaust port 14, the packing 18, and the outside air exhaust vent 19 is formed in order from the top: the lower end of the outside air exhaust port 14, the lower end of the outside air exhaust vent 19, and the upper end of the packing 18. Thus, when rainwater enters the cover 11 and rainwater accumulates at the upper end of the packing 18, the lower end of the outside air exhaust vent 19 is lower than the lower end of the outside air exhaust port 14. It is possible to prevent rainwater from entering the inside of the heat exchange device 3 from the outside air exhaust port 14 by draining to the outside of the cover 11 from the air vent 19.

  A heat exchange device according to the present invention and a heating element storage device using the heat exchange device have a main body case, a blower provided inside the main body case, and a heat exchanger, on the outer side of the main body case. Is a heat exchange device provided with a box-shaped cover having a plurality of openings covering the main body case, wherein the main body case is provided with a flange projecting to the front outer peripheral portion, and the outer peripheral portion of the cover is on the inner side A fixing surface that is bent; the fixing surface is fixed to the flange by screwing; and the cover surface that faces the screw is provided with a screw attachment / detachment hole. It is useful as a heating element storage device used.

DESCRIPTION OF SYMBOLS 1 Base station 2 Cabinet 3 Heat exchanger 4 Body fixing screw 5 Wall surface 6 Case 7 Inside air blower 8 Outside air blower 9 Heat exchanger 10 Flange 11 Cover 12 Fixing surface 13 Cover fixing hole 14 Outside air exhaust port 15 Outside air exhaust louver 16 Outside air Air intake port 17 Outside air intake louver 18 Packing 19 Outside air exhaust vent 20 Outside air intake vent 21 Cover fixing screw 22 Cover attaching / detaching hole 23 Drain hole 24-1 Caulking agent 24-2 Caulking agent 25 Rail 26 Groove

Claims (8)

A heat exchange device having a main body case, a blower provided inside the main body case, and a heat exchanger, wherein the main body case is provided with a flange projecting to the outer periphery of the front surface, A box-shaped cover that covers the main body case and has a plurality of openings is provided on the outer side, and an outer peripheral portion of the cover is provided with a fixing surface that is bent inward, and the fixing surface is screwed onto the flange. A heat exchanging device in which a screw attaching / detaching hole is provided on the cover surface fixed to the screw and facing the screw. The flange has an L-shaped angle, one surface of the flange is fixed to a side surface of the case, the cover is attached to a surface perpendicular to the side surface of the case, and the surface of the flange to which the cover is attached is a main body The heat exchange device according to claim 1, wherein the heat exchanger protrudes outward with respect to the front surface of the case, and a caulking agent is applied to the entire circumference of the flange. The main body case includes an outside air intake port and an outside air exhaust port on a front surface, and the cover has a bottom surface, and a vent hole for outside air intake formed by a plurality of openings on a surface of the main body case facing the outside air intake port, A surface of the main body case facing the outside air exhaust port is provided with an outside air exhaust vent hole having a plurality of openings, and the lower end of the outside air exhaust vent hole is formed to be positioned below the outside air exhaust port, and the cover Is provided with a partition member for preventing a short circuit between the outside air intake port and the outside air exhaust port of the heat exchange device, the upper surface of the partition member is below the outside air exhaust vent, And the heat exchange apparatus of Claim 1 or 2 arrange | positioned between the said external air exhaust port and the said external air inlet port. 4. The heat exchange device according to claim 1, wherein an upper surface and a bottom surface of the cover have an inclination that widens toward the main body case, and at least one small hole is provided at a lowermost portion of the bottom surface of the cover. 5. The heat exchange device according to claim 1, wherein an end portion of the surface of the flange to which the cover is attached is inside an end portion of the cover. The heat exchange device according to claim 1, further comprising a rail-shaped reinforcing member on a lower surface of the main body case. The mounting hole provided in the cover through which the screw for fixing the cover to the flange passes has a size that allows the screw head to pass through the lower part, and the screw part to pass through the upper part without passing through the screw head. The heat exchanging device according to claim 1, wherein the heat exchanging device has a size to be used. A heating element housing device on which the heat exchange device according to claim 1 is mounted.

Images