CN218549900U

CN218549900U - Multifunctional desk type digital broadcasting radio

Info

Publication number: CN218549900U
Application number: CN202223022841.1U
Authority: CN
Inventors: 黄东升; 陈子翘; 蒙进利
Original assignee: Fujian Youtong Industrial Co ltd
Current assignee: Fujian Youtong Industrial Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-02-28
Anticipated expiration: 2032-11-15

Abstract

The utility model provides a multifunctional desk-top digital broadcasting radio, which comprises a sound cavity shell consisting of an upper shell and a bottom shell, wherein the upper side of the upper shell is provided with heat dissipation meshes, the front side of the upper shell is provided with a black-and-white display screen capable of displaying characters, and the display surface of the black-and-white display screen is covered with a high-definition lens; a loudspeaker is arranged at the sound cavity below the heat dissipation mesh of the upper shell, and the loudspeaker is fixedly connected with the upper shell through a screw fastener; the casing is internally provided with an L-shaped bracket with a light guide plate adhered to the front part, the black-white screen is fixed at the position of the light guide plate in an adhesion mode, the black-white display screen is connected with a main control PCB bottom plate of the radio through an FPC (flexible printed circuit) flexible flat cable, the light guide plate is adhered to the front part of the bracket, and the bracket is fixedly connected at the position of the bottom shell through a screw; the utility model discloses novel structure, the radiating effect is good, possesses the relevant information function that shows digital signal (DAB)/analog signal (FM) program, has improved the practicality.

Description

Multifunctional desk type digital broadcasting radio

Technical Field

The utility model belongs to the technical field of the electrical apparatus technique and specifically relates to multi-functional desk-top digital broadcasting radio.

Background

The radio is composed of mechanical devices, electronic devices, antenna, horn, etc. the electric energy converts the electric wave signal and can listen to the audio signal transmitted by the radio station. Also known as radio, broadcast, etc. The advent of DSP technology radios has marked the gradual exit of traditional analog radios from the historical arena. The digital age of radio has come.

The existing desktop digital radio has single function, can not display text information in DAB programs of digital broadcast signals/FM programs of analog broadcast signals, can not meet the use requirement, has poor practicability and needs to be solved, and meanwhile, a circuit for receiving DAB programs of digital broadcast signals/FM programs of analog broadcast signals needs good heat dissipation and needs to be solved.

Disclosure of Invention

The utility model provides a multi-functional desk-top digital broadcasting radio, novel structure, the radiating effect is good, possesses the relevant information function that shows digital signal (DAB)/analog signal (FM) program, has improved the practicality.

The utility model adopts the following technical scheme.

The multifunctional desk type digital broadcasting radio comprises a sound cavity shell consisting of an upper shell and a bottom shell, wherein the upper side of the upper shell is provided with heat dissipation meshes, the front side of the upper shell is provided with a black-and-white display screen capable of displaying characters, and the display surface of the black-and-white display screen is covered with a high-definition lens; a loudspeaker is arranged at the sound cavity below the heat dissipation mesh of the upper shell, and the loudspeaker is fixedly connected with the upper shell through a screw fastener; the casing is internally provided with an L-shaped support with a light guide plate adhered to the front part, the black-white screen is fixed at the position of the light guide plate in an adhesion mode, the black-white display screen is connected with a main control PCB bottom plate of the radio through an FPC (flexible printed circuit) flexible flat cable, the light guide plate is adhered to the front part of the support, and the support is fixedly connected at the position of the bottom shell through a screw.

The corner between the leading flank of epitheca and the side of going up is equipped with the snooze key, snooze key PCB board below the snooze key passes through the screw fastener and links to each other with the corner of support.

The upper part of the bracket is connected with the main control PCB bottom plate through a screw fastener; a plurality of keys arranged in an array are arranged on the main control PCB bottom plate; the key is adjacent to the silica gel button above the key; the silica gel button is fixed in the upper side of epitheca department.

The power supply PCB board of the radio is connected with the inner side of the bottom shell side plate through a screw fastener, a DC jack, a USB interface and a pigtail antenna are arranged at the bottom shell side plate, and the DC jack and the USB interface are connected with the power supply PCB board in a welding mode.

The bottom surface of the shell is provided with a plurality of silica gel foot pads.

The front side surface and the rear side surface of the shell are inclined surfaces forming an included angle of 35 degrees with the horizontal plane.

The main control module of the radio circuit reads the decoding information of the DAB/FM module through SPI communication and sends the decoding information to the black and white display screen through I2C communication for display, and the black and white display screen comprises a driving circuit.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses multi-functional desk-top digital broadcasting radio novel structure, reasonable in design adds and shows the text information function, has improved the practicality, and the radiating effect is good, adopts adapter power supply work, also can give other battery charging outfit power supply work, has solved the comparatively single problem of original portable digital broadcasting radio function.

The utility model discloses in, power PCB board has welded DC jack and USB interface simultaneously, can use the adapter through the DC jack to the radio power supply work, and the radio's of this moment USB interface exportable electric power supplies power work, facilitates the use for other battery charging outfits.

The utility model discloses assembled PCB bottom plate, light guide plate, keypad simultaneously on L shape support, formed the compact structure who is convenient for integrate, can simplify epitheca and drain pan structure.

The utility model discloses in, radio casing leading flank and trailing flank are for becoming the inclined plane of 35 contained angles with the horizontal plane, and this design makes black and white display screen be convenient for watch, and the visual angle is better.

The utility model discloses in, on the black and white screen inserted the PC bottom plate through FPC soft arranging wire, processing production was simpler, the installation maintenance of being convenient for.

Drawings

The invention will be described in further detail with reference to the following drawings and detailed description:

fig. 1 is an exploded view of the upper case and its internal components of a radio receiver according to an embodiment of the present invention;

fig. 2 is an exploded view of the bottom case and its internal components of the radio receiver according to the embodiment of the present invention;

fig. 3 is a rear view of a radio according to an embodiment of the present invention;

FIG. 4 is a schematic view of a radio receiver according to an embodiment of the present invention;

FIG. 5 is a schematic top view of a radio according to an embodiment of the present invention;

FIG. 6 is a functional block diagram of a radio according to an embodiment of the present invention;

fig. 7 is a main control schematic diagram of a radio schematic diagram according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a power amplifier and a key of a radio according to an embodiment of the present invention;

fig. 9 is a schematic diagram of a digital signal (DAB)/analog signal (FM) module communication interface according to an embodiment of the present invention;

fig. 10 is a schematic view of a black-and-white screen communication interface of a radio schematic diagram according to an embodiment of the present invention;

FIG. 11 is ase:Sub>A schematic diagram of ase:Sub>A power supply and USB-A port output of ase:Sub>A radio according to an embodiment of the present invention;

the numbering in the figures illustrates: 1-silica gel button, 2-snooze key, 3-inclined plane, 4-high definition lens, 5-black and white display screen, 6-light guide plate, 7-snooze key PCB board, 8-loudspeaker, 9-FPC flexible flat cable, 10-main control PCB bottom board, 11-key, 12-bracket, 13-power PC bottom board, 14-antenna pressure plate, 15-bottom shell, 16-pigtail antenna, 17-DC jack, 18-USB interface, 19-silica gel foot pad, 20-heat dissipation mesh and 21-upper shell.

Detailed Description

As shown in the figure, the multifunctional desk type digital broadcasting radio comprises a sound cavity shell consisting of an upper shell 21 and a bottom shell 15, wherein the upper side of the upper shell is provided with heat dissipation meshes 20, the front side of the upper shell is provided with a black-and-white display screen 5 capable of displaying characters, and the display surface of the black-and-white display screen is covered with a high-definition lens; a loudspeaker 8 is arranged at the sound cavity below the heat dissipation mesh of the upper shell, and the loudspeaker is fixedly connected with the upper shell through a screw fastener; the casing is internally provided with an L-shaped support 12 with a light guide plate 6 adhered to the front part, the black-white screen is fixed at the position of the light guide plate in an adhering mode, the black-white display screen is connected with a main control PCB bottom plate 10 of the radio through an FPC (flexible printed circuit) flexible flat cable 9, the light guide plate is adhered to the front part of the support, and the support is fixedly connected at the position of the bottom shell through screws.

The corner between the leading flank of epitheca and the side of going up is equipped with snooze key 2, snooze key PCB board 7 below the snooze key passes through the screw fastener and links to each other with the corner of support.

The upper part of the bracket is connected with the main control PCB bottom plate through a screw fastener; a plurality of keys 11 arranged in an array are arranged on the main control PCB bottom plate; the key is adjacent to the silica gel button 1 above the key; the silica gel button is fixed in the upper side of epitheca department.

The power supply PCB 13 of the radio is connected with the inner side of a bottom shell side plate through a screw fastener, a DC jack, a USB interface and a pigtail antenna 16 are arranged at the position of the bottom shell side plate, and the DC jack 17 and the USB interface 18 are connected with the power supply PCB in a welding mode.

The bottom surface of the shell is provided with a plurality of silica gel foot pads 19.

The front side surface and the rear side surface of the shell are inclined surfaces 3 forming an included angle of 35 degrees with the horizontal plane.

In this example, the heat dissipation mesh also serves as a sound transmission mesh, and heat dissipation performance is also improved.

In addition to other claims, if a numerical range is disclosed, the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using a bolt or screw connection) can also be understood as: non-detachable fixed connections (e.g. riveting, welding) can, of course, also be replaced by one-piece structures (e.g. manufactured in one piece using a casting process) (unless it is obvious that one-piece processes cannot be used).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be formed by a plurality of solitary component parts equipment, also can be for the solitary part that the integrated into one piece technology made out.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. Multi-functional desk-top digital broadcasting radio, its characterized in that: the sound cavity comprises a sound cavity shell consisting of an upper shell and a bottom shell, wherein heat dissipation mesh holes are distributed on the upper side surface of the upper shell, a black-and-white display screen capable of displaying characters is arranged on the front side of the upper shell, and a high-definition lens is covered on the display surface of the black-and-white display screen; a loudspeaker is arranged at the sound cavity below the heat dissipation mesh of the upper shell, and the loudspeaker is fixedly connected with the upper shell through a screw fastener; the casing is internally provided with an L-shaped support with a light guide plate adhered to the front part, the black-and-white display screen is fixed at the position of the light guide plate in an adhesion mode, the black-and-white display screen is connected with a main control PCB bottom plate of the radio through an FPC (flexible printed circuit) flexible flat cable, the light guide plate is adhered to the front part of the support, and the support is fixedly connected at the position of the bottom shell through a screw.

2. The multifunctional desktop digital broadcast receiver of claim 1, further comprising: the corner between the leading flank of epitheca and the side of going up is equipped with the snooze key, snooze key PCB board below the snooze key passes through the screw fastener and links to each other with the corner of support.

3. The multifunctional desktop digital broadcast receiver of claim 1, further comprising: the upper part of the bracket is connected with the main control PCB bottom plate through a screw fastener; a plurality of keys arranged in an array are arranged on the main control PCB bottom plate; the key is adjacent to the silica gel button above the key; the silica gel button is fixed in the upper side of epitheca department.

4. The multifunctional desktop digital broadcast receiver of claim 1, further comprising: the power supply PCB board of the radio is connected with the inner side of the bottom shell side plate through a screw fastener, a DC jack, a USB interface and a pigtail antenna are arranged at the bottom shell side plate, and the DC jack and the USB interface are connected with the power supply PCB board in a welding mode.

5. The multifunctional desktop digital broadcast receiver of claim 1, further comprising: the bottom surface of the shell is provided with a plurality of silica gel foot pads.

6. The multifunctional desktop digital broadcast receiver of claim 1, further comprising: the front side surface and the rear side surface of the shell are inclined surfaces forming an included angle of 35 degrees with the horizontal plane.

7. The multifunctional desktop digital broadcast receiver of claim 1, further comprising: the radio circuit department of master control PCB bottom plate is equipped with the DAB/FM module that can decode digital broadcast signal DAB program/analog broadcast signal FM program relevant information, and the main control module of radio circuit department reads the decoding information of DAB/FM module through the SPI communication to send to the display of black and white display screen through the I2C communication, black and white display screen includes drive circuit.