JP2005309738A - Electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide electronic equipment effectively using a space between a casing bottom and a setting face that was a so-called dead space used for nothing in the past. <P>SOLUTION: This equipment comprises the casing and a seat 14 provided at the bottom of the casing, and the seat 14 internally having a cavity part partitioned from the internal space of the casing by the casing bottom. The bottom of the casing is formed of a metallic material, and a tuner capable of receiving broadcast signal is arranged in the internal space of the casing. A cable 247 connected to an input terminal of the tuner is stored in the cavity part of the seat 14. An air suction opening 15 is formed in a side surface of the seat 14, and the opening 15 is allowed to communicate with the internal space of the casing through the cavity part of the seat 14 and an opening formed in the casing bottom. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an electronic device including a housing and a pedestal that supports the housing, and more particularly, to an electronic device that effectively uses an internal space of the pedestal.

Conventionally, in an electronic device such as a tower-type computer, for example, to prevent slipping, or to prevent the installation surface from receiving heat directly from the installation bottom so that the installation surface does not become hot. May be provided with a pedestal at the bottom (see Patent Document 1) or provided with a protruding leg as shown in Patent Document 2 so that they do not directly contact the installation surface.
JP 2002-108501 A JP-A-9-265335

  However, conventionally, the pedestals and legs provided at the bottom of the casing are only used to support the casing. If the pedestal or the leg is interposed between the case bottom and the installation surface, the case bottom is lifted from the installation surface, and a space is formed between the case bottom and the installation surface. The space was a so-called dead space where nothing has been used. The present inventors pay attention to the space between the bottom of the casing and the installation surface, and the present invention aims at effective use of the space.

  An electronic apparatus according to the present invention includes a housing and a pedestal provided at the bottom of the housing, and the pedestal includes a hollow portion partitioned from the internal space of the housing by the bottom of the housing. It is characterized by that.

  Since the pedestal has a function of supporting the housing and has a hollow portion therein, the hollow portion can function as a component housing portion. The component housed in the cavity can be connected to a built-in device disposed in the internal space of the housing through an opening opened in the bottom of the housing.

  In particular, in an electronic device in which a tuner capable of receiving a broadcast signal is disposed in the internal space of the housing, the bottom of the housing is made of a metal material, and the bottom acts as a shielding plate for electromagnetic noise. Noise radiated from the built-in device arranged in the internal space of the housing can be hardly spread in the hollow portion of the pedestal. Therefore, if a cable connected to the input terminal of the tuner is accommodated in the hollow portion, a broadcast signal that is transmitted through the cable and is susceptible to noise can be transmitted to the built-in device disposed in the internal space of the housing. Protect from noise and keep good signal quality.

  Also, the input terminal of the tuner is projected from the opening opened in the bottom of the housing into the cavity of the pedestal, and the cable accommodated in the cavity is also connected to the input terminal protruding from the cavity. By doing so, the cable can be connected to the input terminal of the tuner without being inserted into the internal space of the housing. Since the cable does not enter the internal space of the housing, it is possible to suppress the influence of noise from various built-in components and internal devices arranged in the internal space of the housing. Furthermore, compared to the case where the input terminal of the tuner is arranged in the internal space of the housing, the cable routing length can be shortened, which also contributes to making the cable less susceptible to noise.

  In addition, a distributor is required to divide the antenna cable connected to the antenna terminal into a plurality. However, if the distributor is arranged in the cavity of the base, the cable connected to the distributor is also hollow. It is possible to suppress the influence of noise from the devices and components housed in the internal space and disposed in the internal space of the housing, and it is possible to reduce the number of devices, components, and cables disposed in the internal space of the housing. Accordingly, high-density arrangement of various parts and devices in the internal space of the housing becomes possible. Or the freedom degree of arrangement layout of these components and apparatus can be raised. Furthermore, since the distributor and the cable connected thereto are not in the internal space of the housing, the housing can be reduced in size.

  Further, if an intake opening communicating with the opening at the bottom of the housing is formed on the side surface of the pedestal via the cavity, the air outside the housing is transferred to the intake opening on the side of the pedestal, the cavity of the pedestal, and the housing. The air can be sucked into the internal space of the housing through the opening at the bottom of the body, and the components and equipment disposed in the internal space can be air-cooled. By adopting such a configuration, air can be sucked from the bottom of the electronic device without the opening at the bottom of the housing being blocked by the installation surface, and air cooling efficiency can be improved. This also makes effective use of the internal space of the pedestal.

  According to the electronic device of the present invention, a hollow portion is provided in the pedestal interposed between the bottom portion of the housing and the installation surface, and an opening for communicating the hollow portion with the internal space of the housing is provided at the bottom of the housing. Therefore, components and cables connected to the built-in device disposed in the internal space of the housing can be accommodated in the hollow portion. As a result, the space inside the pedestal can be used effectively, and the parts housed in the housing can be reduced as much as the parts are housed in the hollow portion of the pedestal, thereby effectively utilizing the space inside the housing. Alternatively, if an intake opening is formed on the side surface of the pedestal and the bottom of the housing, the cavity can be used as a path for air for cooling air.

  FIG. 1 is an external perspective view of an electronic apparatus 1 according to an embodiment of the present invention. 4 shows a perspective view from the opposite side of FIG. 2 and 3 are a front view and a top view of the electronic apparatus 1, respectively. In this embodiment, the electronic device 1 is a main body of a so-called tower type personal computer.

  The electronic device 1 has a rectangular parallelepiped outer casing in which the casings 2 and 3 are combined, and the outer casing is supported on the installation surface by a pedestal 8.

  The housing 2 has a box shape including a front plate portion 2a, an upper plate portion 2b and side plate portions 2c and 2d provided so as to surround an edge portion of the front plate portion 2a. A square-shaped opening 2e is formed in the front plate portion 2a. The opening 2e is an area about the upper half of the front plate portion 2a and is formed at a location near the side plate portion 2d. Further, the front plate portion 2a is provided with a shutter 6 for opening and closing the opening 2e.

  Various push buttons 11, 12, and 13 are disposed in the vicinity of the upper edge portion of the opening 2e and at the corners of the upper plate portion 2b and the front plate portion 2a. A spacer 16 is provided between the push buttons 11 and 12, and a spacer 17 is provided between the push buttons 12 and 13. Even if these spacers 16 and 17 are pushed, they are not pushed into the housing and do not function as push buttons. The spacer 17 is provided with a light emitting window 18.

  A plate-shaped exterior member 4 is attached to the lower half of the housing 2. The exterior member 4 includes a front plate portion 4 a that covers the lower half of the front plate portion 2 a of the housing 2 and a side plate portion 4 d that covers a region below the side plate portion 2 d of the housing 2. A plurality of intake openings 56 (a part of which is shown in FIG. 5) communicating with the inside of the housing are formed in the lower half portion of the front plate portion 2a, and the intake openings 56 are blocked. The front plate portion 4 a of the exterior member 4 is opposed to the front plate portion 2 a of the housing 2 so as to form a gap. The side plate portion 4d of the exterior member 4 is also faced with a gap formed between it and the casing.

  The housing 3 has a box shape including a back plate portion 3a, an upper plate portion 3b and side plate portions 3c and 3d provided so as to surround an edge portion of the back plate portion 3a.

  As shown in FIG. 4, exhaust openings 38, 39, and 40 are formed in the back plate portion 3a. Also, audio terminals, video terminals, and other various connectors 37 are exposed on the back plate portion 3a.

  The above-described external housing is made of, for example, a resin material, and an internal housing 143 shown in FIG. The internal housing 143 is made of, for example, a metal material, and functions as a reinforcing member that increases the rigidity of the electronic device 1 and a mounting member for the built-in device.

  The internal housing 143 has a box shape including a back plate portion 172, an upper plate portion 144 provided so as to surround an edge portion of the back plate portion 172, side plate portions 145, 148, and 147, and a bottom plate portion 146. Presents. There is a step between the side plate portions 145 and 148, and the side plate portion 145 protrudes outward from the side plate portion 148. Thereby, a concave step portion is formed below the side plate portion 145. The bottom of the concave step portion becomes the side plate portion 148.

  In the upper plate portion 144, intake openings 167 are formed as a large number of small holes. The side plate portion 145 is formed with a number of small openings 151 for intake. In the side plate portion 147, intake openings 166 and 162 are formed as a large number of small holes.

  Exhaust openings 153 and 154 are formed in the side plate portion 148 as a large number of small holes. Further, the side plate portion 148 has openings 43, 44, and 149 for exposing various connectors as wiring connection portions.

  The bottom plate part 146 has intake openings 155 formed as a large number of small holes. In addition, openings 159, 160, and 161 for reducing the weight of the intake air and the internal housing 143 are formed in the bottom plate portion 146. Furthermore, openings 156, 157, and 158 are formed in the bottom plate portion 146 for exposing the input terminals of the tuner disposed in the internal housing 143.

  Openings 152, 165, 164, and 163 for reducing the weight of the intake air and the internal housing 143 are formed in the back plate portion 172. In the back plate portion 172, an area where the opening 165 is formed is a mounting area of a hard disk device which is a built-in device accommodated in the internal housing 143, and the area includes a frame accommodating a plurality of hard disk devices. Four latching portions 168 that are detachably attached so that the body is hooked are provided to protrude from the inner surface side of the back plate portion 172. Further, a horizontally long engagement hole 169 is formed in the upper portion of the hard disk device mounting region, and the frame body is engaged with the engagement hole 169 in a state where the frame body is hooked on the hook portion 168. A locking member for restricting the movement of is inserted.

  In addition to the hard disk device, various internal devices such as a motherboard, a tuner board, and a power supply unit are disposed inside the internal housing 143.

  The wiring connection plate 27 and the door 25 shown in FIG. 4 are attached to the side plate portion 148 of the internal housing 143. The wiring connection board 27 is formed with openings for exposing the openings 43, 44, and 149 formed in the side plate portion 148 of the internal housing 143. From the openings, for example, a LAN (Local Area Network) terminal, The output terminal to the external display is exposed. The door 25 is attached to the lower edge of the wiring connection board 27 so as to be rotatable and detachable.

  The electronic device 1 is mainly designed on the assumption that the electronic device 1 is installed with the front plate portion 2a of the housing 2 facing forward. For example, the back plate 3a is brought close to the wall of the living room and placed on the floor of the living room. Such a placement is effective when the depth of the installation space cannot be secured so large. In this case, the door 25 is closed to cover the wiring connection plate 27, and various cables are drawn out to the back surface (back plate portion 3a) side.

  Specifically, when the cables connected to the various connectors and terminals exposed on the wiring connection board 27 are straightened as they are, they are extended to the right of the electronic device 1 placed with the front plate portion 2a facing the front. However, these cables can be taken out to the back side by closing the door 25.

  That is, when the door 25 is closed, the extension of the cable to the right is restricted by the door 25, and the extension direction is changed to the back side by bending the cable using the flexibility of the cable. Can do.

  The wiring connection plate 27 is attached to the bottom of a concave step portion recessed inwardly of the side plates 2c and 3c of the housings 2 and 3, and the portion facing the door 25 in the back plate portion 3a as shown in FIG. Since the wiring outlet 260 is formed by notching, a space opened on the back side is secured between the wiring connection plate 27 and the inner surface of the door 25 when the door 25 is closed. The bent cable described above is accommodated in the space, and is extended from the wiring outlet 260 toward the back of the electronic device 1.

  Further, from the wiring outlet 260, the connection port 35 of the connector for AC power input is directed to the back side. Therefore, even when an AC power cable is inserted into the connection port 35, the cable extends to the back side.

  As an installation space for the electronic device 1, in a place where the depth can be secured larger than the width, for example, on a desk, the surface with a small width can be placed in front as in a normal tower computer. . For example, in the electronic device 1 of the present embodiment, when the side plate 2d of the housing 2 and the side plate 3d of the housing 3 are set to the front and the side plates 2c and 3c opposite to the side plate 2d are placed on the back, the usability and saving are reduced. Space is also considered.

  Specifically, the door 25 that covers the wiring connection plate 27 serving as the back surface in the above placement is removed. If the door 25 is removed, the cables connected to the various connectors and terminals exposed on the wiring connection plate 27 can be directly extended to the back side in the above-described placement. Therefore, these cables are hidden behind the electronic device 1 in the above-described manner of placement and do not impair the appearance, and further, since the cables do not jump out from the side surface of the electronic device 1, there is no fear that the cables will be caught.

  A pedestal 8 made of a resin material or a metal material is provided on the bottom plate portion 146 of the internal housing 143 that is the bottom of the internal housing 143 and also the bottom of the electronic device 1. The pedestal 8 includes a box-shaped main pedestal 14 and an auxiliary pedestal 5 attached to the bottom surface of the main pedestal 14. Although the area of the bottom surface of the main pedestal 14 is smaller than the area of the bottom plate portion 146 of the internal housing 143, the area of the bottom surface of the auxiliary pedestal 5 is larger than the area of the bottom plate portion 146 of the internal housing 143. 1 can be stably supported on the installation surface. In addition, a plurality of bulged portions 5a are provided on the bottom surface of the auxiliary pedestal 5 to prevent slipping.

  The casing, the main pedestal 14 and the auxiliary pedestal 5 are integrated, and even if the casing is lifted from the installation surface, the casing, the main pedestal 14 and the auxiliary pedestal 5 are not separated from each other.

  The main pedestal 14 has a hollow portion therein, and the hollow portion and the internal space of the internal housing 143 are partitioned by a bottom plate portion 146 of the internal housing 143.

  As shown in FIGS. 7 and 8, a tuner board 243 is disposed in the internal space of the internal housing 143. The tuner board 243 is mounted with a tuner capable of receiving broadcast signals such as television signals in a VHF (Very High Frequency) band and a UHF (Ultra High Frequency) band input from an indoor antenna terminal, for example.

  A mother board 242 is disposed in the internal space of the internal housing 143. The motherboard 242 is mounted with a CPU and other semiconductor components, various slots and connectors, and constitutes a functional main body of the electronic device 1.

  The tuner board 243 is disposed vertically in the internal space of the internal housing 143 (the mounting surface is substantially perpendicular to the bottom plate portion 146), and is an input terminal mounted near the edge of the tuner board 243. 246 (see FIG. 8) protrudes from the through holes 156, 157 and 158 formed in the bottom plate portion 146 to the outer surface side of the bottom plate portion 146. There are six input terminals 246 for the tuner, for example, and two of each input terminal 246 protrudes from the through holes 156, 157, 158.

  A distributor 244 is attached to the outer surface of the bottom plate portion 146. The distributor 244 has a substantially rectangular parallelepiped shape, and an input terminal 251 and a terminal 252 for supplying a signal from an antenna cable to an external device such as a video are provided on one long side surface, and the other long side is provided. A plurality of (for example, eight in this embodiment) output terminals 249 are provided on the side surface.

  The other end of the antenna cable 245 whose one end is connected to the antenna terminal is connected to the input terminal 251, and the antenna cable 245 is divided into, for example, eight in this embodiment. Cables 247 and 248 are connected to the output terminal 249 of the distributor 244. The cable 247 connects the six input terminals 246 of the tuner and the six output terminals 249 of the distributor 244. The cable 248 connects the two output terminals 249 of the distributor 244 and the input terminal of the tuner mounted on the motherboard 242.

  Therefore, in the electronic apparatus 1 according to the present embodiment, when all of the tuner mounted on the tuner board 243 and the tuner mounted on the motherboard 242 are used, a total of 8 programs can be recorded simultaneously. Recording is performed on a hard disk device disposed in the internal housing 143.

  The main base 14 is fixed to the bottom plate portion 146 so as to cover the distributor 144, the cables 247 and 248, and the input terminal 246 of the tuner. That is, the distributor 144 and its output terminal 249, the cables 247 and 248, and the tuner input terminal 246 are disposed in a hollow portion formed inside the main pedestal 14.

  The input terminal 251 and the terminal 252 of the distributor 244 are exposed from the side surface of the main pedestal 14, and are further exposed from through holes 241a and 241b formed in the back plate portion 3a of the external housing 3 as shown in FIG. Is done.

  As described above, in this embodiment, the cable 247 that connects the distributor 244 and the tuner is formed in the hollow portion of the main base 14 that is partitioned from the internal space of the internal housing 143 by the bottom plate portion 146 of the internal housing 143. Be placed. Since the bottom plate portion 146 is made of a metal material, the bottom plate portion 146 functions as an electromagnetic shielding plate, and noise from various built-in components such as the mother board 242 and the built-in equipment disposed in the internal space of the internal housing 143 is generated by the cable 247. Can be less affected by the transmitted signal. As a result, it is possible to ensure good signal quality of the signal from the antenna that is susceptible to noise.

  The cable 248 connected to the tuner mounted on the mother board 242 passes through the outside of the bottom plate portion 146 and the outside of the side plate portion 148 and enters the internal space of the internal housing 143 from the opening formed in the side plate portion 148. Connected to a tuner mounted on the motherboard 242. Also in this case, most of the cable 248 is disposed outside the bottom plate portion 146 and the side plate portion 148 partitioned from the internal space of the internal housing 143 by the bottom plate portion 146 and the side plate portion 148 made of a metal material. Noise from various built-in components and built-in devices arranged in the internal space of the internal housing 143 can hardly affect the signal transmitted through the cable 248, and good signal quality can be secured.

  The tuner board 243 disposed in the internal space of the internal housing 143 is placed vertically. As a result, the tuner input terminal 246 mounted near the edge of the tuner board 243 can be protruded to the outer surface side of the bottom plate portion 146 that is outside the internal space of the internal housing 143, and the cable 247 is connected to the internal housing. It is possible to connect to the input terminal 246 without entering the internal space 143. Since the cable 247 does not enter the internal space of the internal housing 143, the influence of noise from various internal components and internal devices arranged in the internal space of the internal housing 143 can be suppressed. Furthermore, compared to the case where the input terminal 246 is disposed in the internal space of the internal housing 143, the length of the cable 247 can be shortened, which also contributes to making the cable 247 less susceptible to noise.

  Further, by placing the tuner board 243 vertically, the air flow flowing on the mounting surface can be formed by natural convection in which high-temperature air rises, and heat dissipation of components on the mounting surface can be promoted.

  Further, the space outside the casing bottom plate portion 146 and the internal space of the pedestal such as the hollow portion of the main pedestal 14 are not conventionally used, and the distributor 244 and the cable 247 are added to such a so-called dead space. 248 and the tuner input terminal 246 are arranged and used effectively, so that parts and cables arranged in the internal space of the internal housing 143 can be reduced. Accordingly, high-density arrangement of various parts and devices in the internal space of the internal housing 143 becomes possible. Or the freedom degree of arrangement layout of these components and apparatus can be raised.

  Further, the hollow portion of the main pedestal 14 is also used as an air passage for taking outside air into the internal space of the internal housing 143. That is, slit-like intake openings 15 are formed on the four side surfaces of the main pedestal 14, and the intake openings 15 are formed in the openings 155, 156, 157, 158 formed in the cavity portion and the bottom plate portion 146 of the main pedestal 14. 159, 160, 161 communicate with the internal space of the internal housing 143.

  As will be described later, a fan is disposed in the internal space of the internal housing 143, and the outside air passes through the intake opening 15, the cavity of the main base 14, the openings 155, 156, 157, 158, 159, Through 160 and 161, the air is sucked into the internal space of the internal housing 143, and the components and devices disposed in the internal space are air-cooled. With such a configuration, even if an intake opening is formed in the bottom plate portion 146, the intake air can be sucked from the bottom of the electronic device 1 without being blocked by the installation surface, and the air cooling efficiency can be improved. This also makes effective use of the internal space of the pedestal.

  The electronic device 1 has intake / exhaust openings formed on all of its front, back, top, bottom, and two side surfaces. As shown in FIGS. 9 and 10, the front side has an intake opening, the top side has an intake opening, the bottom side has an intake opening, the left side has an intake opening and an exhaust opening, and the right side has an intake opening. An intake opening is formed, and an exhaust opening is formed on the back surface. By ventilating the inside of the housing using all six surfaces of the electronic device 1, the ventilation efficiency can be increased and the air cooling effect of the built-in devices and parts can be enhanced.

  For example, seven fans f <b> 1 to f <b> 7 are disposed in the internal space of the internal housing 143. The arrows shown in FIGS. 9 and 10 indicate the suction direction or the discharge direction of the fans f1 to f7.

  More specifically, the front surface of the front plate portion 2a of the external housing 2 is covered with a number of lower half portions hidden by the front plate portion 4a of the exterior member 4 as shown in FIG. A small hole-like intake opening 56 is formed. The front plate portion 4a of the exterior member 4 is opposed to the front plate portion 2a of the external housing 2 so as to form a gap, and outside air enters the gap from the upper end portion and the lower end portion of the gap and opens for intake. 56 sucked.

  There is no wall in the portion facing the front plate portion 2a of the outer casing 2 in the inner casing 143, and the air sucked into the intake opening 56 enters the inner space of the inner casing 143 as it is, and the built-in components and equipment Air-cool.

  As described above, since the intake opening 56 is not exposed by being covered by the exterior member 4 at the front, the noise of the fans f1 to f7 disposed in the internal space of the internal housing 143 is directly used from the intake opening 56. The sound is prevented from being emitted to the person. That is, the exterior member 4 functions as a sound insulating plate. Moreover, the exterior member 4 functions also as a appearance board which the surface is mirror-finished and has a beautiful appearance.

  With respect to the upper surface, a large number of small-hole intake openings are formed in the upper plate portion 3 b of the outer casing 3, and the air sucked from the intake openings is formed in the upper plate section 144 of the inner casing 143. The air enters the internal space of the internal housing 143 through the intake opening 167, and cools the built-in components and equipment.

  As viewed from the right in FIG. 1, a large number of small holes for intake openings are formed in the side plate portion 3 d of the outer casing 3, and the air sucked from the intake openings is the inner casing 143. Through the intake opening 166 formed in the side plate portion 147 and enters the internal space of the internal housing 143 to cool the built-in components and equipment.

  With respect to the left side surface, a large number of small holes for intake openings are formed in the side plate portion 3c (see FIG. 4) of the outer casing 3, and the air sucked from the intake openings is the side plate of the inner casing 143. The air enters the internal space of the internal housing 143 through the intake opening 151 formed in the portion 145, and air-cools the built-in components and equipment. Further, a large number of small-hole exhaust openings are formed in the portion 34 near the back surface of the door 25, and the exhaust openings and the exhaust openings 153 and 154 formed in the side plate part 148 of the internal housing 143 are provided. Accordingly, air that is sucked into the internal space of the internal housing 143 from the above-described intake opening and used for air-cooling various components and devices is exhausted to the outside of the electronic device 1.

  Regarding the bottom surface, as described above, outside air is formed in the intake opening 15 formed on the side surface of the main pedestal 14, the hollow portion of the main pedestal 14, and the openings 155, 156, 157 formed in the bottom plate portion 146 of the internal housing 143. 158, 159, 160 and 161 are sucked into the internal space of the internal housing 143, and air-cooled components and equipment disposed in the internal space.

  Regarding the back surface, the openings 152, 165, 164, 163 formed in the back plate portion 172 of the internal housing 143 and the openings 39, 40, 38 formed in the back plate portion 3a of the external housing 3 are described above. The air that has been sucked into the internal space of the internal housing 143 from the air intake opening and used for air cooling of various components and devices is exhausted to the outside of the electronic device 1.

  In order to dissipate heat generated by built-in components and devices by air cooling, it is important that the air inside the housing is sufficiently ventilated. However, if a large amount of ventilation per unit time is to be secured, there is a problem that the intake speed increases and dust is easily brought into the housing.

  Therefore, in this embodiment, as described above, the intake openings are formed on the five surfaces of the front, top, bottom, and left and right side surfaces, and the intake opening area is sufficiently larger than the exhaust opening area formed on the back. Secured. As a result, sufficient ventilation for air cooling of the built-in device can be performed without increasing the intake speed so much, and the suction of dust into the housing can be suppressed.

  As mentioned above, although embodiment of this invention was described, of course, this invention is not limited to this, A various deformation | transformation is possible based on the technical idea of this invention.

  In the above embodiment, the electronic apparatus has been described as a main body of a tower type computer, but may be a hard disk recorder, a DVD (Digital Versatile disc) device, or the like.

  Moreover, although the planar shape of the main pedestal 14 is substantially rectangular, it may be elliptical. Furthermore, although the intake opening formed on the side surface of the main pedestal 14 has a slit shape, it may have a round hole shape.

  Further, when the tuner has one input terminal, a distributor is not necessary.

  Further, the television broadcast signal that can be received by the tuner is not limited to analog broadcast, but may be digital broadcast. Further, a radio broadcast signal may be received.

  What is accommodated in the hollow portion of the main pedestal 14 is not limited to a cable or a distributor for transmitting an input signal to the tuner, but may also accommodate other components and devices that are sensitive to noise from internal devices inside the housing. Good.

It is a perspective view of the electronic device which concerns on embodiment of this invention. It is a front view of the same electronic device. It is a top view of the same electronic device. It is the perspective view which looked at the said electronic device from the opposite side to FIG. It is the perspective view seen from the bottom part side of the said electronic device in the state where the auxiliary base was removed. It is a perspective view of the internal housing | casing of the said electronic device. It is a perspective view in the state where various equipment was attached to the above-mentioned internal case. It is a principal part expansion perspective view in FIG. It is a figure which shows the arrangement | positioning of the fan inside an electronic device, and the intake / exhaust opening formation area | region of each of a front surface, a left-right side surface, an upper surface, and a bottom face. It is a figure which shows the exhaust port formation area | region of a back surface.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Electronic device, 2 ... External housing, 3 ... External housing, 4 ... Exterior member, 5 ... Auxiliary base, 8 ... Base, 14 ... Main base, 15 ... Opening for intake, 143 ... Internal housing, 155 161 ... Opening, 243 ... Tuner board, 244 ... Distributor, 246 ... Tuner input terminal, 247,248 ... Cable, 249 ... Output terminal of distributor, 251 ... Input terminal of distributor.

Claims (5)

An electronic device comprising a housing and a pedestal provided at the bottom of the housing,
The pedestal has a hollow portion partitioned from the internal space of the housing by the bottom portion in the inside,
The bottom portion has an opening that allows the internal space of the housing to communicate with the hollow portion of the pedestal. The bottom of the housing is made of a metal material,
A tuner capable of receiving a broadcast signal is disposed in the internal space of the housing,
The electronic device according to claim 1, wherein a cable connected to the input terminal of the tuner via the opening is accommodated in the hollow portion of the pedestal. The input terminal of the tuner protrudes from the opening into the cavity,
The electronic device according to claim 2, wherein the cable accommodated in the cavity is connected to the input terminal. A distributor is disposed in the cavity,
An input terminal of the distributor is exposed from a side of the pedestal;
The electronic device according to claim 2, wherein an output terminal of the distributor is disposed in the hollow portion and connected to the cable. The electronic device according to claim 1, wherein an intake opening that communicates with an internal space of the housing through the cavity and the opening is formed on a side surface of the pedestal.

Images