JP4476783B2 - Electronic device unit case - Google Patents

Description

The present invention mainly relates to a unit case mounted on a case body of a television joint reception amplifying device, and more particularly to the structure of the unit case.

For example, conventional TV joint reception related equipment is a TV joint that outputs a signal suitable for transmission by amplifying or frequency-converting a TV signal received at a receiving point for each channel by a channel dedicated amplifier. A receiving amplifying device is known, but the channel-dedicated amplifier used for this is housed in a unit case and unitized.
As a general configuration of such a unit case, a unit case in which an input demultiplexing or frequency conversion unit, an amplification unit, an output mixing unit and the like are accommodated in the unit is connected to a main body case with a plug and a plug. Some seats are configured to be inserted into and removed from the seat, and to be detachably fixed to the main body case by fixing means.
Also known is a unit case in which an input demultiplexing or frequency conversion unit, an amplification unit, and an output mixing unit are unitized and the units are engaged with each other and housed in a main body case. ing. In this embodiment, the amplifying unit is provided with an engaging stage, the input demultiplexing or frequency converting unit and the output mixing unit are provided with receiving stages, and the amplifier unit and both side cases are connected to the engaging stage and receiving stage. The two cases are connected to the main body case by means of the plug and are detachably fixed to the main body case by fixing means. (For example, see Patent Document 1)

Japanese Utility Model Publication No. 6-48911

However, according to the conventional unit case, the input demultiplexing or frequency converting unit, the amplifying unit, and the output mixing unit are housed in the same housing, for example, when the channel for transmission is changed. When sex occurred, it was necessary to change all units.
When a unit case is adopted in which the input demultiplexing or frequency conversion unit, the amplification unit, and the output mixing unit are unitized and the units are engaged with each other and housed in the main body case. However, the channel change as described above can be dealt with by changing the input / output unit using an amplification unit, for example, but the configuration shown in the conventional example not only complicates the structure. However, the configuration is such that they are engaged with each other while being overlapped with each other, and the poor operability that the filter unit cannot be removed without removing the amplification unit has been a problem.
Therefore, in this application, it was made to solve these problems.
The purpose is to provide a unit case for an electronic device that is easy to remove and attach.
Another object of the present invention is to provide a unit case suitable for an electronic device that is attached to a wall surface, a column, or the like and has a lower unit case arranged in the length direction.
Another object is to provide a unit case suitable for electronic equipment that does not require a special space for mounting the unit case.
Another object is to provide a unit case suitable for a reception-related device for joint television reception.

In order to solve the above problems, the invention of claim 1 is a unit case of an electronic device in which a unit case is attached to a main body case, and the unit case is detachably fixed to a main body chassis provided at the bottom of the main body case. The first unit case has a size and a shape corresponding to an engagement step formed at one corner of the front side of the first unit case, and the first unit case is the main body chassis. A second unit case that is detachably fixed to the engaging stage of the first unit case in the longitudinal direction of the first unit case in a direction perpendicular to the mounting direction to be mounted on Consisting of
A front side and a bottom side of the side surface of the first unit case and the second unit case, which are disposed opposite to each other on a plane orthogonal to the mounting direction of the first unit case and the second unit case; A high frequency connector is provided so that the first unit case and the second unit case are connected to each other.

According to a second aspect of the present invention, in the unit case according to the first aspect, the first side surface of the second unit case provided with the high frequency connector is continuously provided from both ends of the side surface. When mounting the second unit case to the first unit case, the mounting direction of the second unit case is between the side surface of the first case at a position opposite to the side surface of the one side. Engagement means for introducing the second unit case, and fixing means for fixing the second unit case between the first unit case and the other front side surface.

According to the first aspect of the present invention, in the unit case of the electronic apparatus in which the unit case is attached to the main body case, the unit case is detachably fixed to the main body chassis provided at the bottom of the main body case. And a size and shape corresponding to an engagement step formed at one corner on the front side of the first unit case, and the first unit case is attached to the main body chassis. A second unit case that is detachably fixed to the engaging stage of the first unit case in the longitudinal direction of the first unit case in a direction perpendicular to the mounting direction;
A front side and a bottom side of the side surface of the first unit case and the second unit case, which are disposed opposite to each other on a plane orthogonal to the mounting direction of the first unit case and the second unit case; Since the high-frequency connector is provided to be connected to each other between the first unit case and the second unit case,
Even if an engagement step corresponding to the size and shape of the second unit case is provided at the front side corner of the first unit case, and the second unit case is attached to the engagement step, the overall size is maintained. Can be designed in a compact design with almost the same outer diameter without protruding from the square shape formed by the outer periphery of the first unit case. Even when a plurality of vertically long products are arranged in parallel in the main body chassis provided in the main body case, a thin and small unit case can be configured so that it can be effectively stored in the main body case. Therefore, it is possible to provide a unit case suitable for an electronic device in which the size of the main body case can be reduced.

Further, the second unit case is formed in a rectangular shape so that the longitudinal direction is in the mounting direction of the first unit case, and the first unit case and the second unit case in the longitudinal direction are mutually connected. For example, one high-frequency connector for connecting a signal from the first unit case and the high-frequency connector are separated from each other by a predetermined dimension that does not affect high-frequency characteristics. And a second high-frequency connector for returning a signal from the second unit case to the first unit case, and electrical connection is made between the first unit case and the second unit case via the high-frequency connector. In addition, an output connector seat provided in the first unit case is disposed in the vicinity of the second high-frequency connector. Components that can affect the high-frequency characteristics in routing the signal in any unit by configuring the input connector seat at a position that is a predetermined distance away from the mold connector seat. Therefore, it is easy to design with excellent high frequency characteristics.

According to the invention of claim 2, in the unit case according to claim 1, one bottom side surface formed continuously from both end portions of the side surface of the second unit case provided with the high frequency connector includes: When the second unit case is attached to the first unit case, the second unit case is placed between the side surface of the first case at a position facing the one bottom side surface. Since the engagement means for introducing in the mounting direction, and the fixing means for fixing the second unit case between the first unit case on the other front side surface,
Even if the second unit case is attached to the first unit case, it can be easily removed to the front side of the main body case by moving the second unit case upward so that the high-frequency connector is removed. The high-frequency connector provided in the first unit case and the high-frequency connector provided in the second unit case are guided by the engaging means so that they can be securely attached even when attached. The ease of installation is not impaired.
In other words, for example, when it is necessary to change the channel to be transmitted for joint reception, an output filter unit that satisfies the conditions in advance is prepared, and the first unit case remains installed even at the site. Thus, it is possible to provide a unit case that enhances the ease of changing work by setting the channel from the front side by means of switching means or the like and changing the output filter unit by simply replacing the output filter unit.

Hereinafter, an example of an embodiment embodying the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view of an amplifying apparatus for joint television reception of an embodiment using a unit case of the present application. FIG. 2 is a schematic circuit diagram showing a state of electrical connection of each unit. FIG. 3 is an explanatory view showing a connection state of the unit cases. FIG. 4 is an enlarged perspective view showing the attachment state of the first unit case and the second unit case. 5 is a cross-sectional view taken along line AA in FIG. 6 is a cross-sectional view taken along line BB in FIG.

As a preferred example using the unit case of the present application, FIG. 1 shows a configuration of a television joint reception amplifying apparatus. In the following description, the direction in the state shown in FIG. 1 will be used as a reference unless otherwise specified.
In the embodiment shown in FIG. 1, the main body case 30 includes an input section case 2 for distributing and amplifying a predetermined number of signals input from input terminals provided in a lower portion (not shown), and a main body case. Power supply unit cases 3 and 4 provided on the inner side and upper part are disposed, and an output mixing unit 5 (not shown) is disposed on the bottom of the rear surface of the main body case. A predetermined number of channel-dedicated amplifier units 1 constituting the common reception amplification apparatus are connected in parallel and accommodated. The channel-dedicated amplifier unit 1 of the present application is configured such that the processor unit 11 and the output filter unit 21 are connected to each other as independent unit cases. In the embodiment of the present application, the processor unit 11 is the first unit case described in the claims, and the output filter unit 21 is the second unit case described in the claims.

FIG. 2 shows a schematic circuit diagram of the television joint reception amplifying apparatus configured as described above. In this embodiment, the television signal input from the input IN is divided into eight at the input unit 2. Note that an amplifier may be inserted into the input unit 2 as necessary to compensate for the distribution loss.
Each signal is input to each channel dedicated amplifier 1. In this channel dedicated amplifier 1, first, a predetermined channel is selectively selected in the processor unit 11, and then the frequency is changed to a predetermined channel and output. For example, a predetermined one wave is selected from a terrestrial digital television broadcast (OFDM) signal, and the signal is converted into a mid-band or super high-band channel and output. ing.
The output signal is input to the output mixing unit 5 through the output filter unit 21 corresponding to the signal, mixed with the output signal from the other channel dedicated amplifier, and amplified by the output amplification unit 6. It is configured to be output later via the output terminal OUT.

Next, the state when each unit case is attached to the main body case 30 will be described with reference to FIGS.
A body chassis 31 is provided at the bottom of the case body 30 in the space formed by the input unit case 2 and the power supply unit cases 3 and 4.
The channel-dedicated amplifier unit 1 is attached to the main body chassis 31 in a plurality of rows. The main body chassis 31 is provided with F-type plug seats 32 and 33, and the processor unit 11 of the channel-dedicated amplifier unit 1 is provided. Are provided with F-type plugs 12 and 13 on the side face of the unit 11 at positions facing the F-type plug seats 32 and 33, and the F-type plug seats 32 and 33 and the F-type plug 12 are provided. , 13 are connected by a plug connection system so that they can be plugged and unplugged, and are fixed to the main body chassis 31 with screw rods 34 at the top of the processor unit 11. Is fixed to the input case fixed to the main body case 30 with a screw rod 35. In the embodiment of the present application, the output mixing unit 5 is not shown for ease of explanation, but it may be arranged inside the main body chassis 31 and is not particularly limited.

Further, an engagement stage 15 having a size and a shape for attaching the output filter unit 21 is formed on the upper part of the processor unit 11, and the output filter unit 21 and the processor unit 11 are connected to the engagement stage part. The high-frequency plugs 27 and 28 provided on the connection surface 15a are connected by a plug connection method, and the engagement surface 15b is for restricting the forward and rearward movements of the output filter unit 21 with respect to the drawing. As shown in the figure, the output filter unit 21 is detachably attached to the processor unit 11 from the front side of the main body case 30 (from the left side to the right side in FIG. 3). It can be done.

Next, the processor unit 11 and the output filter unit will be described in more detail with reference to FIGS. 4 (a) and 4 (b).
As shown in FIG. 4 (a), the processor unit 11 is formed by molding a metal material on a frame 14 formed by molding a conductive material such as aluminum die casting, and slidingly fixing the frame to the frame. It is made of a case structure having a good shielding property composed of lids 14a and 14b integrally formed with locking claws on the periphery, and the front side (left side in FIG. 4) of the frame 14 A display plate 22 formed of a metal material is fixed to the frame body 14 with screw rods or the like so as to face each other.
From the front side surface of the frame body 14, there are provided an operation hole for projecting a switching means (not shown) capable of selecting a channel of the processor unit 11 and adjusting an output level and an operation portion of the selection means, The switching means and the selection means can be operated from the front side, and the display plate 22 provided on the front side of the frame can be operated from the display plate 22 with certainty. Therefore, it is possible to attach a display means formed of a synthetic tree resin material or the like that can display the operation unit and model.
FIG. 4B shows the output filter unit 21. The output filter unit 21 includes a frame body 24 formed by bending a metal material, and a lid body 24a in which a metal material is molded and a locking claw is integrally formed on the periphery so as to be slidably fixed to the frame body 24. , 24b, thereby providing a case structure with good shielding properties.

An engagement step 15 is formed at the front corner of the processor unit 11. The engagement stage 15 is formed so as to correspond to the size and shape of the output filter unit 21, and the processor unit 11 is connected to the main body chassis 31 among the side surfaces facing the filter unit 21 and the processor unit 11. A plug connection is made to the connection surface 15a, which is a side surface parallel to the direction (FIG. 4 (a) from the left side to the right side) when being attached to the side of the processor unit 11 and the output filter unit 21, facing each other. Possible high frequency connectors 27 and 28 are provided in a pair. In the embodiment of the present application, female connectors 27a and 28a are provided on the processor unit 11 side, and male connectors 27b are provided on the output filter unit 21 side. 28b, and when the connector is connected, the output filter In the unit 21, only a necessary signal component is passed from the signal output from the processor unit 11, and processing is performed so as not to pass a signal outside the band, and then a signal of only a desired wave is returned to the processor unit 11 again. It is configured. The output filter unit 21 may be constituted by a band pass filter or a combination of a high pass filter and a low pass filter, and the filter configuration is not particularly limited.

Further, of the surfaces facing the filter unit 21 and the processor unit 11, there is a side surface that is orthogonal to the direction (FIG. 4 (a) left side to right side) when the processor unit 11 is attached to the main body chassis 31. The mating surface 15b is engaged with the side surface of the processor unit 11 and the output filter unit 21 to facilitate the connection when the high frequency connector provided in the processor unit 11 and the output filter unit 21 is connected. The engaging means 29 is provided with a protrusion 29a having a long side in the longitudinal direction of the side surface of the engaging surface 15b on the processor unit 11 side. On the side surface of the surface 15b on the output filter unit 21 side, the protruding shape is located at a position where it engages with both end portions on the long side of the protruding body 29a. Projection pieces 29b and 29b formed to be longer than the long side of the body 29a and slightly shorter than the projecting dimension of the projecting body 29a are projected to connect the high frequency connectors provided in the processor unit 11 and the output filter unit 21. When the output filter unit 21 is pushed in the direction of the joint surface 15a while the upper surface of the protruding body 29a is brought into contact with the surface of the frame body of the output filter unit 21 between the protruding pieces 29b and 29b, the engagement is achieved. Guided by means 29, the high-frequency connectors are arranged at positions facing each other, so that the high-frequency connectors can be easily connected.

Further, a locking claw 25 provided with a through hole 25a at a substantially central portion is provided so as to protrude from the side surface of the frame body 14 in a continuous manner with the protruding body 29a of the processor unit 11, and a screw rod 34 is provided in the through hole 25a. And the threaded rod 34 is screwed into the main body chassis 32 so that the processor unit 11 can be fixed to the main body chassis.
A fixing means 22a is formed at the upper end of the display panel 22 provided on the front surface, and a screw rod 36 provided in the fixing means 22a is screwed into a screw hole 23 formed in the output filter unit 21. The output filter unit 21 is fixed to the processor unit.
5 is a cross-sectional view taken along line AA in FIG. 4, and FIG. 6 is a cross-sectional view taken along line BB.

As described above, according to the present application, a vertically long one having a vertically long shape is effectively stored in the main body case, such as the channel-dedicated amplifier 1 used in the television co-receiver / amplifier that is stored in parallel in the main body case 30. However, in order to reduce the thickness and size of the processor unit 11, an engagement stage corresponding to the size and shape of the output filter unit 21 is provided at the front side corner of the processor unit 11. The size of the main body case 30 can be reduced because the size of the main body case 30 can be reduced, and the size of the main body case 30 can be reduced.

Further, the output filter unit 21 is formed in a rectangular shape so that the longitudinal direction is in the mounting direction of the processor unit 11, and the processor unit 11 and the output filter unit 21 in the longitudinal direction are arranged close to each other. For example, one high-frequency connector for connecting a signal from the processor unit 11 is separated from the high-frequency connector by a predetermined dimension that does not affect the high-frequency characteristics. A second high-frequency connector for returning to the processor unit 11, and is configured to be electrically connected between the processor unit 11 and the output filter unit 21 via the high-frequency connector. In the vicinity of the high frequency connector of the processor unit 11 The output connector seat is disposed, and the input connector seat is disposed at a position separated from the F-type connector seat by a predetermined distance. In signal routing, there is no difficulty in the arrangement and wiring of components that affect the high-frequency characteristics, so that it is possible to easily design with excellent high-frequency characteristics. The arrows shown by the alternate long and short dash lines in each unit shown in FIG. 3 are a simplified signal flow for visually explaining this effect.

Even if the output filter unit 21 is attached to the processor unit 11, it can be easily removed to the front side of the main body case 30 if it is moved upward by the amount that the high frequency connector is detached. Even in the case of attachment, the high frequency connectors 27b and 28b of the processor units 27a and 28a and the output filter unit 21 are guided by the engaging means 29 formed on the locking surface 15b so as to be securely attached. Because it is configured, it does not impair the ease of installation.
In other words, for example, when it becomes necessary to change the channel to be transmitted for joint reception, an output filter unit that satisfies the conditions in advance is prepared, and the processor unit 21 is installed even in the field. There is an effect of improving the ease of changing work by setting the channel from the front side by switching means or the like and changing the output filter unit by simply changing the output filter unit.

Note that the present invention is not limited to the above-described embodiment, and the configuration of each part can be appropriately changed and implemented without departing from the spirit of the present invention.

The perspective view of the amplification apparatus for television joint reception of the Example using the unit case of this application is shown. It is the circuit diagram which showed the electrical connection state of each unit. Explanatory drawing which shows the connection state of a unit case. It is an expansion perspective view which shows the attachment state of a 1st unit case and a 2nd unit case. It is the sectional view on the AA line in FIG. It is the BB sectional view taken on the line in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Channel exclusive amplifier, 2 ... Input part case, 3 ... Power supply part case, 4 ... Power supply case, 5 ... Output mixing part, 6 ... Output amplification part unit, 11 ... Processor unit (1st unit case), 12. DESCRIPTION OF SYMBOLS 13 ... F-type plug, 14 ... Frame body, 14a * 14b ... Lid body, 15 ... Engagement step, 15a ... Joining surface, 15b ... Engagement surface, 21 ... Output filter unit (2nd unit case), 22 ... Display plate, 22a, 22b ... Fixing means, 23 ... Screw hole, 24 ... Frame, 24a / 24b ... Cover, 25 ... Locking claw, 25a ... Through hole, 27,28 ... High frequency connector, 29 ... Engagement Means, 29a ... Projection, 29b / 29b ... Projection piece, 30 ... Main body case, 31 ... Main body chassis, 32/33 ... F-type plug seat, 34/35/36 ... Screw rod

Claims (2)

In a unit case of an electronic device in which the unit case is attached to the main body case,
The unit case is a first unit case which is detachably fixed to a main body chassis provided at the bottom of the main body case;
A mounting direction in which the first unit case is mounted to the main body chassis, the size and shape corresponding to the engagement step formed at one corner on the front side of the first unit case. A second unit case that is detachably fixed to the engaging stage of the first unit case in the longitudinal direction of the first unit case in a direction perpendicular to the first unit case,
A front side and a bottom side of the side surface of the first unit case and the second unit case, which are disposed opposite to each other on a plane orthogonal to the mounting direction of the first unit case and the second unit case; A unit case characterized in that a high frequency connector is provided so as to be connected to each other between the first unit case and the second unit case.
When the second unit case is attached to the first unit case on one side of the side surface of the second unit case provided with the high-frequency connector, which is continuously provided from both ends. Engagement means for introducing the second unit case in the mounting direction between the side surface of the first case located opposite to the side surface of the one side;
2. The unit case according to claim 1, further comprising: a fixing unit configured to fix the second unit case to the first unit case on the other front side surface.

Images