JP2007110625A - Tuner and electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tuner including a case that is not deformed by a force in the case of inserting a cable. <P>SOLUTION: The tuner 1 comprises a high frequency circuit for processing a high frequency signal, the case 10 incorporating the high frequency circuit, a connecting terminal 13 led out from the high frequency circuit and an input terminal 11 for inputting a high frequency signal, wherein the connecting terminal 13 is provided on a bottom surface 18 of the case 10 and only one input terminal 11 is disposed at the side of the bottom surface 18 on a side surface 17a of the case 10. When inserting a cable, a force applied to the input terminal 11 is exerted to deform the case 10 but since the input terminal 10 is provided near the connecting terminal 13 (at the side of the bottom surface 18), the force applied to the input terminal 10 is transported to a mounting substrate and distributed. Thus, distortion of the case 10 is suppressed and the case 10 is not deformed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a tuner device having a structure for preventing deformation of a casing, and an electronic apparatus equipped with the tuner device.

  Electronic devices that process high-frequency signals, such as television receivers, are equipped with a tuner device. In the tuner device, a high-frequency signal transmitted from the antenna or the signal distributor via a cable is processed.

  The tuner device includes a main part that includes a high-frequency circuit for processing a high-frequency signal, a housing incorporating the high-frequency circuit, a connection terminal derived from the high-frequency circuit, and an input terminal for inputting the high-frequency signal.

  An input terminal for inputting a high-frequency signal is provided on a side surface of the housing. Since the input terminal is for connection with a cable for transmitting a high-frequency signal, the tuner device is arranged such that only the input terminal portion protrudes from the wall of the electronic device.

  FIG. 5 is a perspective view of a tuner device according to Conventional Example 1. FIG. The tuner device 100 is for a terrestrial television receiver, and is configured to input UHF band and VHF band high frequency signals from one input terminal 111. The input terminal 111 is provided on the side surface 117 of the housing 110 and is disposed at a position away from the connection terminal 113 (the bottom surface 118 of the housing 110).

Another tuner device is described in, for example, Patent Document 1 (Conventional Example 2). In this tuner device, an input terminal and a pin jack for connecting to another electronic circuit are provided on a side surface of the casing, and the input terminal is disposed at a position away from the connection terminal.
Japanese Utility Model Publication No.59-106238

  However, in any of the conventional tuner devices, when a cable is inserted into the input terminal, the housing may be deformed or the connection terminal may be broken. This point will be described below.

  FIG. 6 is a cross-sectional view of the tuner device according to Conventional Example 1 with a cable inserted. The tuner device 100 is soldered to a mounting board 121 provided inside an electronic device 120 such as a television receiver, and the input terminal 111 protrudes outward from the wall 122.

  Since the input terminal 111 is not fixed to the wall 122, when the cable 130 for transmitting a high-frequency signal is inserted, the force at the time of insertion is transmitted to the housing 110 via the input terminal 111. On the other hand, since the connection terminal 113 is fixed to the mounting substrate 121, the force transmitted to the housing 110 deforms the housing 110 in the arrow direction A or breaks the connection portion 113a of the connection terminal 113. I will let you.

  Further, in the tuner device provided with an input terminal and an output terminal (pin jack) as in the conventional example 2, the input terminal and the output terminal are arranged on the same side surface of the housing, and one terminal is inevitably provided. (Input terminal or output terminal) is arranged at a position away from the connection terminal. Therefore, the force when the cable is inserted into a terminal (input terminal or output terminal) arranged at a distant position acts directly on the housing without being distributed to the mounting board or the like. It will be greatly deformed or the connecting terminal will be broken.

  In order to avoid such deformation of the casing 110 and breakage of the connection portion 113a of the connection terminal 113, a method of securing the strength by increasing the thickness of the metal plate constituting the casing 110 is conceivable. There is a problem that the cost increases, and the metal plate becomes thicker, which makes it difficult to process and takes a processing time.

  A method of providing a reinforcing rib or the like on the inner surface of the housing 110 is also conceivable. However, this method has a problem that the housing itself becomes large and a processing cost increases.

  The present invention has been made in view of such a situation, and a tuner device in which a housing is hardly deformed when a cable is connected or a connection terminal is not broken, and an electronic device equipped with such a tuner device. The purpose is to provide equipment.

  A tuner device according to the present invention includes a high-frequency circuit for processing a high-frequency signal, a housing incorporating the high-frequency circuit, a connection terminal derived from the high-frequency circuit, and an input terminal for inputting the high-frequency signal. In the tuner device, the connection terminal is provided on the bottom surface of the casing, and only one input terminal is disposed on the bottom surface side of the side surface of the casing.

  With this configuration, even when a force is applied to the input terminal, the housing is hardly deformed, and the tuner device is not damaged. That is, the force applied to the input terminal when the cable is inserted works to deform the housing, but the input terminal is provided near the connection terminal (bottom side), so the force applied to the input terminal is mounted. Since it is transmitted to the substrate and dispersed, the distortion of the housing is suppressed and it does not deform. Further, the force applied to the connection terminal is reduced, and the connection terminal is not broken.

  In the tuner device according to the present invention, the side surface of the housing is provided with a locking portion that locks to a wall around a mounting position, and the locking portion is connected to the bottom surface with respect to the input surface. It is provided in the opposite position across the terminal.

  With this configuration, the side surface of the housing in which the input terminal is provided is fixed to the wall around the position where the tuner device is mounted by the locking portion, so that the housing can be deformed even if the cable is inserted into the input terminal. In addition, the connecting terminal is not broken.

  In addition, a tuner device according to the present invention includes a high-frequency circuit for processing a high-frequency signal, a housing incorporating the high-frequency circuit, a connection terminal derived from the high-frequency circuit, and an input terminal for inputting the high-frequency signal. In the tuner device including the output terminal for outputting the high-frequency signal, the connection terminal is provided on a bottom surface of the housing, and only one output terminal is disposed on the bottom surface side of the side surface of the housing. It is characterized by.

  With this configuration, even when a force is applied to the output terminal, the housing is hardly deformed, and the tuner device does not fail. That is, the force applied to the output terminal when the cable is inserted works to deform the housing, but the output terminal is provided near the connection terminal (bottom side), so the force applied to the output terminal is mounted. Since it is transmitted to the substrate and dispersed, the distortion of the housing is suppressed and it does not deform. Further, the force applied to the connection terminal is reduced, and the connection terminal is not broken.

  In the tuner device according to the present invention, the side surface of the housing is provided with a locking portion that locks to a wall around a mounting position, and the locking portion is connected to the bottom surface with respect to the output. It is provided in the opposite position across the terminal.

  With this configuration, the side surface of the housing in which the output terminal is provided is fixed to the wall around the position where the tuner device is mounted by the locking portion, so that the housing can be deformed even if the cable is inserted into the output terminal. In addition, the connecting terminal is not broken.

  An electronic apparatus according to the present invention includes the tuner device according to the present invention. With this configuration, an electronic device with few failures can be provided. In other words, since the housing is hardly deformed and the terminal is not broken when the cable is inserted into the input terminal (or output terminal), the failure of the electronic device is reduced.

  According to the tuner device of the present invention, since the input terminal (or output terminal) is disposed near the connection terminal, even if a force is applied when the cable is inserted into the input terminal (or output terminal), Body deformation and breakage of the connecting portion of the connecting terminal do not occur. As a result, the failure of the tuner device is eliminated.

  Further, according to the tuner device of the present invention, since the housing is fixed to the wall around the position where the tuner device is mounted by the locking portion, a force is required when inserting the cable into the input terminal (or output terminal). Even if is added, deformation of the housing and breakage of the connection portion of the connection terminal do not occur.

  According to the electronic apparatus according to the present invention, since the tuner device according to the present invention is provided, the failure of the tuner apparatus is eliminated and the failure of the electronic apparatus is reduced.

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

<Embodiment 1>
FIG. 1 is a perspective view of a tuner device according to Embodiment 1 of the present invention. A tuner device 1 according to the present embodiment includes a high-frequency circuit (not shown) that processes a high-frequency signal, a housing 10 that incorporates the high-frequency circuit, and a connection terminal 13 that is derived from the high-frequency circuit and protrudes from the bottom surface 18 of the housing 10. , And an input terminal 11 for inputting a high frequency signal constitutes a main part.

  The input terminal 11 is connected to a plug at the end of the cable 30 (see FIG. 2), and has a function as an input unit for a high-frequency signal transmitted through the cable 30. The input terminal 11 is provided so as to protrude from the side surface 17 a of the housing 10. When the tuner device 1 is mounted on the electronic device 20 (see FIG. 2), the input terminal 11 is disposed so as to protrude from the wall 22 (see FIG. 2) around the mounting (mounting) position. The input terminal 11 is arranged on the side surface 17a of the housing 10 where the connection terminal 13 is provided (in the figure, the side where the bottom surface 18 of the housing 10 is provided, the bottom surface side).

  The input terminal 11 is cylindrical and has a double structure of an outer terminal and an inner terminal. The outer terminal is formed of a conductive metal and serves as a ground terminal. That is, the outer terminal is connected to the housing 10, and the housing 10 is connected to the connection terminal 13 for grounding. The inner terminal is a signal transmission terminal that is transmitted via the cable 30 and is connected to a high-frequency circuit. Thereby, the radio wave received by the antenna device or the like is introduced into the high frequency circuit via the cable 30 and the input terminal 11.

  Further, the number of input terminals 11 is one. That is, in the tuner device 1 for a television receiver, since there are high-frequency signals in the VHF band and the UHF band, two input terminals 11 are required in principle, but the circuit is arranged so that the input terminal 11 becomes one. Designed. Specifically, a filter that passes through the VFH band and the UHF band is provided in a portion directly connected to the input terminal 11, so that a high-frequency signal in each band can be processed even if only one input terminal 11 is provided.

  The high-frequency circuit is a circuit that performs processing such as tuning, amplification, and mixing of a high-frequency signal, extracts a signal having a predetermined frequency, amplifies it, and outputs it to the connection terminal 13. Specifically, the tuner device 1 of a television receiver includes a circuit that branches high-frequency signals in the UHF band and the VHF band to respective signal processing circuits, a signal processing circuit in the UHF band, a signal processing circuit in the VFH band, and the like. It is configured.

  The housing 10 has a built-in high-frequency circuit and is made of a conductive metal in order to shield it from electromagnetic waves, static electricity, etc. generated from an external circuit.

  The connection terminal 13 includes a power supply terminal for operating the high-frequency circuit, an output terminal for outputting a processing signal formed from the input high-frequency signal, a ground terminal for grounding, and the like. .

  FIG. 2 is a cross-sectional view of the tuner device according to Embodiment 1 of the present invention mounted on an electronic device. The tuner device 1 is fixed to a mounting substrate 21 provided inside an electronic device 20 such as a television receiver, and the input terminal 11 is fixed so as to protrude from the wall 22 of the electronic device 20. Specifically, the tuner device 1 is mounted such that the side surface 17 a of the housing 10 is located at the edge of the mounting substrate 21, and the side surface 17 a faces the wall 22 of the electronic device 20. The input terminal 11 is inserted into a through hole 26 provided in the wall 22 of the electronic device 20 and protrudes from the wall 22.

  When the cable 30 is inserted into the input terminal 11, a force is applied to the housing 10 through the input terminal 11. However, since the input terminal 11 is provided near the connection terminal 13 (on the bottom surface side), the force applied to the input terminal 11 is transmitted to the mounting substrate 21 and dispersed, thereby suppressing distortion of the housing 10. And is not deformed. Further, since the force applied to the connection terminal is reduced, the connection portion 13a of the connection terminal 13 is not broken.

  As a result, even if a force is applied to the housing 10 when the cable 30 is inserted into the input terminal 11, the housing 10 is not deformed and the connection portion 13 a of the connection terminal 13 is not broken. Disappear.

<Embodiment 2>
FIG. 3 is a perspective view of a tuner device according to Embodiment 2 of the present invention. The tuner device 1 according to the present embodiment is provided with an output terminal 12 in addition to the input terminal 11. Other configurations are the same as those in the first embodiment, and thus description thereof is omitted.

  The output terminal 12 is connected to a terminal plug of an output cable (not shown), and has a function as an output unit for a high-frequency signal. Further, the output terminal 12 is provided so as to protrude from the side surface 17 b of the housing 10. When the tuner device 1 is mounted on the electronic device 20 (see FIG. 2), the output terminal 12 is disposed so as to protrude from the wall 22 of the electronic device 20. As a result, the output cable can be easily inserted into the output terminal 12. The output terminal 12 is arranged on the side surface 17b of the housing 10 where the connection terminal 13 is provided (in the figure, the side where the bottom surface 18 of the housing 10 is provided, the bottom surface side).

  On the other hand, the input terminal 11 is not provided on the side surface 17b of the housing 10 where the output terminal 12 is provided, but is provided on the opposite side surface 17a. The position of the input terminal 11 on the side surface 17a is not limited.

  The tuner device 1 is fixed to a mounting substrate 21 (see FIG. 2) provided inside the electronic device 20 such as a television receiver, and the output terminal 12 is fixed so as to protrude from the wall 22 of the electronic device 20. Specifically, the tuner device 1 is mounted such that the side surface 17 b of the housing 10 is positioned at the edge of the mounting substrate 21, and the side surface 17 b faces the wall 22 of the electronic device 20. The output terminal 12 is inserted into a through hole 26 provided in the wall 22 of the electronic device 20 and protrudes from the wall 22.

  Since the input terminal 11 is present inside the electronic device 20, the cable 30 (see FIG. 2) cannot be directly inserted into the input terminal 11 from the outside of the electronic device 20. Therefore, the input terminal 11 is connected to a cable connection adapter provided on the wall 22 via an internal cable wired inside the electronic device 20.

  When an output cable is inserted into the output terminal 12, a force is applied to the housing 10 through the output terminal 12. However, since the output terminal 12 is provided near the connection terminal 13 (on the bottom surface side), the force applied to the output terminal 12 is transmitted to the mounting substrate 21 and dispersed, so that distortion of the housing 10 is suppressed. , Not to deform. Further, since the force applied to the connection terminal is reduced, the connection portion 13a (see FIG. 2) of the connection terminal 13 is not broken.

  As a result, even if a force is applied to the housing 10 when the output cable is inserted into the output terminal 12, the housing 10 is not deformed and the connecting portion 13a of the connecting terminal 13 is not broken. Also disappear.

<Embodiment 3>
FIG. 4 is a perspective view of a tuner device according to Embodiment 3 of the present invention. The tuner device 1 according to the present embodiment has a configuration in which a locking portion 15 that locks to a wall 22 (see FIG. 2) of the electronic device 20 is provided on the side surface 17 a of the housing 10. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

  The locking portion 15 is for fixing the housing 10 to the wall 22 of the electronic device 20, and on the side surface 17 a of the housing 10, the position opposite to the bottom surface 18 with the input terminal 11 in between (the same figure). , Above the input terminal 11). Moreover, the latching | locking part 15 is formed so that a part of side surface 17a of the housing | casing 10 may be raised, and the internal thread 15a is provided in the center part, and is formed.

  The tuner device 1 is fixed to a mounting substrate 21 provided inside an electronic device 20 such as a television receiver, and the input terminal 11 is fixed so as to protrude from the wall 22 of the electronic device 20. Specifically, the tuner device 1 is mounted such that the side surface 17 a of the housing 10 is located at the edge of the mounting substrate 21, and the side surface 17 a faces the wall 22 of the electronic device 20. The input terminal 11 is inserted into a through hole 26 (see FIG. 2) provided in the wall 22 of the electronic device 20 and protrudes from the wall 22. At this time, the male screw is inserted into the locking through hole provided on the upper side of the wall 22 of the electronic device 20 (the position corresponding to the position of the female screw 15a of the tuner device 1), and the locking portion 15 of the tuner device 1 is inserted. The male screw is screwed into the female screw 15a provided on the head. Thereby, the tuner device 1 is fixed to the wall 22.

  Since the side surface 17a of the housing 10 provided with the input terminal 11 is fixed to the wall 22 around the position where the tuner device 1 is mounted by the engaging portion 15, the cable 30 (see FIG. 2) is input. Even if it is inserted into the terminal 11, most of the force applied to the input terminal 11 is transmitted to the wall 22 of the electronic device 20 through the locking portion 15, so that the housing 10 is not deformed, and the connecting portion of the connecting terminal 13 The breakage of 13a (see FIG. 2) does not occur.

  Further, when the casing 10 of the tuner device 1 is a vertically long rectangle and is mounted upright with respect to the mounting substrate 21, the casing 10 is inclined to the side when the cable 30 is inserted, In some cases, a lateral force is applied to the fixed connection terminal 13 and the connection portion 13a is broken. However, since the case 10 is fixed by the locking portion 15, such inclination is eliminated. Does not break the connecting portion 13a.

  Note that this embodiment can also be applied to the second embodiment.

<Embodiment 4>
An electronic device according to this embodiment will be described with reference to FIG. Electronic device 20 according to the present embodiment includes tuner device 1 according to the present invention. Specifically, the tuner device 1 according to the present invention is soldered to the mounting board 21 inside the television receiver, and the input terminal 11 is disposed so as to protrude from the wall 22.

  When the cable 30 is inserted and connected to the input terminal 11, a force is applied to the input terminal 11, so that a force is applied to the housing 10 and the connection terminal 13. However, according to the tuner device 1 of the present invention, the applied force is Since it is distributed on the mounting substrate 21 or the wall 22 of the electronic device 20, the deformation of the housing 10 and the breakage of the connection portion 13 a of the connection terminal 13 hardly occur. Therefore, the failure of the electronic device 20 resulting from the failure of the tuner device 1 is eliminated.

1 is a perspective view of a tuner device according to Embodiment 1 of the present invention. It is sectional drawing of the state in which the tuner apparatus which concerns on Embodiment 1 of this invention was mounted in the electronic device. It is a perspective view of the tuner apparatus which concerns on Embodiment 2 of this invention. It is a perspective view of the tuner apparatus which concerns on Embodiment 3 of this invention. FIG. 11 is a perspective view of a tuner device according to Conventional Example 1. It is sectional drawing of the state which inserted the cable in the tuner apparatus which concerns on the prior art example 1. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tuner apparatus 10 Housing | casing 11 Input terminal 12 Output terminal 13 Connection terminal 15 Locking part 17a, 17b Side surface 18 Bottom surface 22 Wall 21 Mounting board 26 Through-hole 30 Cable

Claims (5)

  A tuner device comprising: a high-frequency circuit for processing a high-frequency signal; a housing incorporating the high-frequency circuit; a connection terminal derived from the high-frequency circuit; and an input terminal for inputting the high-frequency signal. A tuner device, wherein a terminal is provided on a bottom surface of the housing, and only one input terminal is disposed on the bottom surface side of the side surface of the housing. The side surface of the housing is provided with a locking portion that locks to the wall around the mounting position,
The tuner device according to claim 1, wherein the locking portion is provided at a position opposite to the bottom surface with the input terminal interposed therebetween.   A high-frequency circuit for processing a high-frequency signal; a housing incorporating the high-frequency circuit; a connection terminal derived from the high-frequency circuit; an input terminal for inputting the high-frequency signal; and an output terminal for outputting the high-frequency signal; The tuner device is characterized in that the connection terminal is provided on the bottom surface of the housing, and only one output terminal is disposed on the bottom surface side of the side surface of the housing. The side surface of the housing is provided with a locking portion that locks to the wall around the mounting position,
The tuner device according to claim 3, wherein the locking portion is provided at a position opposite to the bottom surface with the output terminal interposed therebetween.   An electronic apparatus, comprising the tuner device according to any one of claims 1 to 4.

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