CN218549901U

CN218549901U - Multifunctional portable digital broadcast radio

Info

Publication number: CN218549901U
Application number: CN202223026183.3U
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 portable digital broadcast radio, which comprises a sound cavity shell consisting of a front shell and a rear shell, wherein sound-emitting heat-dissipation meshes are distributed on the front side part of the front shell; a TFT color screen is fixed at the front shell, and the front surface of the TFT color screen covers a high-definition lens; a loudspeaker is arranged behind the sound-emitting heat-radiating mesh, the rear side of the front shell is connected with a loudspeaker fixing press buckle through a screw fastener, and the loudspeaker fixing press buckle is arranged on the edge part of the front end of the loudspeaker; a TFT color screen support and a main control PCB bottom plate are also arranged in the sound cavity shell, the TFT color screen is adhered and fixed on the rear TFT support, the FPC flexible flat cable of the TFT color screen is inserted at the main control PCB bottom plate, the TFT support is fixedly locked at the front side of the main control PCB bottom plate by a screw fastener, and the main control PCB bottom plate is fixedly locked at the rear shell by the screw fastener; the utility model discloses but integrated various screen and the DAB broadcast receiving circuit of broadcast picture, the program source that can broadcast DAB digital broadcast provides better.

Description

Multifunctional portable digital broadcast radio

Technical Field

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

Background

The radio is composed of mechanical devices, electronic devices, antenna, loudspeaker and the like, and electric energy is a machine which can convert electric wave signals and listen to audio signals transmitted by a broadcasting station. Also known as radio, broadcast, etc. The advent of DSP technology radios has marked the gradual exit of the traditional analog radios from the historical arena, and the digital era of radios has come.

The existing portable digital radio has single function, can not display pictures and text information and is inconvenient to carry.

The current DAB digital broadcasting is a research direction on how to better use the digital broadcasting on a radio by transmitting moving pictures.

Disclosure of Invention

The utility model provides a multi-functional portable digital broadcasting radio has integrateed the color screen and the DAB broadcast receiving circuit that can play the picture, can play the program source that DAB digital broadcasting provided better.

The utility model adopts the following technical scheme.

The multifunctional portable digital broadcast radio comprises a sound cavity shell consisting of a front shell and a rear shell, wherein sound-emitting heat-dissipation meshes are distributed on the side part of the front surface of the front shell; a TFT color screen is fixed at the front shell, and the front surface of the TFT color screen covers a high-definition lens;

a loudspeaker is arranged behind the sound-emitting heat-radiating mesh, the rear side of the front shell is connected with a loudspeaker fixing press buckle through a screw fastener, and the loudspeaker fixing press buckle is arranged on the edge part of the front end of the loudspeaker; still be equipped with TFT color screen support and master control PCB bottom plate in the sound cavity casing, the TFT color screen bonds on being fixed in the TFT support at rear, the FPC soft arranging wire of TFT color screen is inserted and is arranged in master control PCB bottom plate department, the TFT support is locked in master control PCB bottom plate front side with screw fastener admittedly, and master control PCB bottom plate passes through screw fastener and locks in backshell department admittedly.

A clamping groove is formed in the rear shell, a key control PCB is inserted in the clamping groove, and a clamping block which is in clamping fit with the clamping groove is arranged on the key control PCB; the button frame is arranged above the buttons of the button control PCB, the button hole and the knob hole are formed in the upper side of the rear shell, the buttons of the button frame penetrate through the button hole, the knobs of the button control PCB penetrate through the knob hole, and the knobs are connected with the plastic shell knob cover.

The upper side of the rear shell is provided with a sunk groove behind the key hole, a pull rod antenna is arranged in the sunk groove, and the pull rod antenna is locked in the rear shell through a screw fastener and is connected with the main control PCB bottom plate through a shielding wire for improving receiving sensitivity.

The side part of the rear shell is provided with a DC jack, an AUX output port and a push switch, and the DC jack, the AUX output port and the push switch are connected with a radio circuit at the bottom plate of the main control PCB through welding.

The back of the rear shell is provided with a battery bin, and a battery cover is arranged at the battery bin.

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

The radio circuit department of the master control PCB bottom plate department of radio is equipped with DAB receiving module, FM receiving module that is used for receiving and decodes analog signal that are used for receiving and decode digital signal, and DAB receiving module, FM receiving module link to each other with the master control module of radio circuit through SPI communication circuit.

The TFT color screen is connected with the main control module through the I2C communication circuit and receives module information acquired by the main control module from the DAB receiving module and the FM receiving module.

The module information comprises related information of digital signals DAB and analog signals FM programs and color pictures of the digital signals DAB, and the TFT color screen comprises a driving circuit and displays the pictures in the module information after receiving the module information.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses multi-functional portable digital broadcasting radio adds TFT color screen, possesses the function of relevant information and digital signal (DAB) colored picture of showing digital signal (DAB)/analog signal (FM) program, can show radio station dynamic text information, radio station name, radio station signal intensity, radio station frequency, radio station time, radio station date, DAB radio station pushed picture etc. in the information and improve audio-visual information, can let the user more practical;

2. the utility model discloses can also battery powered by the adapter power supply, improve convenient to carry nature, solve the comparatively single problem of original portable digital broadcasting radio function.

3. The utility model discloses in, TFT color screen inserts the 10PIN paster seat of PC bottom plate through the FPC soft arranging wire on, processing production is simpler, the installation maintenance of being convenient for.

4. The utility model discloses in, loudspeaker adopt loudspeaker to fix to press to detain can dismantle the connection, reduce glue and use, simple to operate, green.

5. The utility model discloses in, the terminal surface is pasted before the screen has the high definition lens, can avoid the radio screen to scrape the flower.

6. The utility model discloses in, the groove that clamps that is used for grafting the keypad is offered to the inside upside of backshell, can make things convenient for the dismouting of keypad in production, is favorable to improving production efficiency.

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 front shell and its internal components of the radio receiver according to the embodiment of the present invention;

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

FIG. 3 is a schematic top view of a radio receiver 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 side view of a radio according to an embodiment of the present invention;

FIG. 6 is a front view of a radio receiver according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a functional block of a radio according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a power supply and circuitry associated with an earplug in a radio circuit according to an embodiment of the invention;

FIG. 9 is a schematic diagram of a circuit related to a button and a knob of a radio circuit according to an embodiment of the present invention;

fig. 10 is a schematic circuit diagram of a main control module of a radio circuit according to an embodiment of the present invention;

FIG. 11 is a schematic diagram of a power amplifier and battery detection related circuit of the radio circuit according to the embodiment of the present invention;

fig. 12 is a schematic circuit diagram of a TFT color screen communication interface of a radio circuit according to an embodiment of the present invention;

fig. 13 is a schematic diagram of a digital signal (DAB)/analog signal (FM) module communication interface of a radio schematic diagram according to an embodiment of the present invention;

in the figure: the mobile phone comprises a 1-high-definition lens, a 2-front shell, a 3-TFT color screen, a 4-loudspeaker, a 5-main control PCB bottom plate, a 6-TFT color screen support, a 7-10PIN patch holder, an 8-key main control PCB bottom plate, a 9-plastic knob cover, a 10-button frame, a 11-rear shell, a 12-knob, a 13-battery positive and negative plate, a 14-battery cover, a 15-button, a 16-AA battery, a 17-loudspeaker fixing press buckle, an 18-pull rod antenna, a 19-silica gel foot pad, a 20-push switch, a 21-AUX output port, a 22-DC jack, a 23-sound-output heat dissipation mesh and a 24-FPC soft flat cable.

Detailed Description

As shown in the figure, the multifunctional portable digital broadcast radio comprises a sound cavity shell consisting of a front shell 2 and a rear shell 11, wherein sound-emitting heat-dissipation meshes 23 are distributed on the side part of the front surface of the front shell; a TFT color screen 3 is fixed at the front shell, and the front surface of the TFT color screen covers a high-definition lens 1;

the rear part of the sound-emitting heat-radiating mesh is provided with a loudspeaker 4, the rear side of the front shell is connected with a loudspeaker fixing press buckle 17 through a screw fastener, and the loudspeaker fixing press buckle is arranged on the edge part of the front end of the loudspeaker; still be equipped with TFT color screen support 6 and master control PCB bottom plate 5 in the sound cavity casing, the TFT color screen bonds and is fixed in on the TFT support at rear, the FPC soft arranging wire 24 of the various screen of TFT is inserted and is arranged in master control PCB bottom plate department (insert in 10PIN paster seat 7 departments), the TFT support is locked in master control PCB bottom plate front side with screw fastener admittedly, and master control PCB bottom plate passes through screw fastener and locks in backshell department admittedly.

A clamping groove is formed in the rear shell, a key control PCB (printed circuit board) 8 is inserted in the clamping groove, and a clamping block which is in clamping fit with the clamping groove is arranged at the key control PCB; a button frame 10 is arranged above the buttons of the button control PCB, a button hole and a knob hole are formed in the upper side of the rear shell, a button 15 of the button frame penetrates in the button hole, a knob 12 of the button control PCB penetrates in the knob hole, and the knob is connected with a plastic shell knob cover 9.

The upper side of the rear shell is provided with a sunken groove behind the key hole, a telescopic antenna 18 is arranged in the sunken groove, and the telescopic antenna is locked in the rear shell through a screw fastener and is connected with a main control PCB bottom plate through a shielding wire for improving receiving sensitivity.

The side part of the rear shell is provided with a DC jack 22 (used for connecting an external power supply), an AUX output port and a push switch 20, and the DC jack, the AUX output port and the push switch are connected with a radio circuit at the bottom plate of the main control PCB by welding.

The back of the rear shell is provided with a battery bin, a battery cover 14 is arranged at the battery bin, and 4 AA batteries 16 can be arranged in the battery bin.

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

The TFT color screen is connected with the main control module through an I2C communication circuit and receives module information acquired by the main control module from the DAB receiving module and the FM receiving module.

Example (b):

it should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1 to 13, a multifunctional portable digital broadcasting radio comprises a sound cavity shell body composed of a front shell 2 and a rear shell 11, wherein a heat dissipation mesh 23 is distributed at the left part of the front surface of the front shell 2, a TFT color screen 3 is arranged at the right part of the front surface of the front shell, the TFT color screen 3 is 2.4 inches, and a high-definition lens 1 is covered on the front side of the TFT color screen 3 to prevent the TFT color screen from being scratched; the rear of the heat dissipation mesh 23 of the front shell in the shell is provided with the loudspeaker 4, the heat dissipation mesh is also used as a sound transmission mesh, and meanwhile, the heat dissipation performance is also improved.

The rear side of the front shell is connected with a horn fixing pressing buckle 17 through a screw, and the horn fixing pressing buckle 17 presses the edge part of the front end of the horn; a TFT screen bracket 6 and a PC bottom plate 5 are also arranged in the shell, the screen is adhered to the LCD bracket 6 at the rear part, the LCD bracket 6 is fixedly locked at the front side of the PC bottom plate 5 by screws, and the PC bottom plate 5 is fixedly locked on the front shell 2 by screws; loudspeaker adopt loudspeaker to fix to press to detain can dismantle the connection, reduce glue and use, simple to operate, and green adds the various screen of TFT, adds the function that shows relevant information and digital signal (DAB) colored picture of digital signal (DAB)/analog signal (FM) program, has solved the comparatively single problem of original portable digital broadcasting radio function, has improved the practicality.

In this embodiment, the electronic key 15 is mounted on the key PC board 8, the key PC board 8 and a clamping groove for inserting the key board are disposed in the rear case 11, and a clamping block which is clamped and matched with the clamping groove is fixed on the key board, so that the key board can be conveniently detached;

a button frame 10 is arranged above the buttons of the button PC bottom plate 8, a button hole and a knob hole are formed in the upper side of the rear shell 11, the buttons on the button frame 10 penetrate through the button hole of the rear shell 11, and the knobs 12 on the button plate penetrate through the knob hole of the rear shell 11 and are connected with a plastic shell knob cover 9.

In this embodiment, the upper side of the rear case 11 is provided with a sinking groove behind the key hole, the sinking groove is internally provided with a pulling plate antenna 18, the pulling plate antenna 18 is locked on the rear case 11 through a screw, the pulling plate antenna 18 is connected with the PC bottom plate 5 through a shielding wire, and the shielding wire can improve the receiving sensitivity.

In this embodiment, the rear case 11 has a DC jack 22, an AUX output port 21 and a push switch 20 on its side, which are all welded to the PC board 5.

In this embodiment, a battery compartment is provided on the back of the rear housing 11, the battery compartment positive and negative plates 13 are mounted on the rear housing 11, the positive and negative plates 13 are connected to the PC board 5 by wires, and a battery cover 14 is provided on the battery compartment to prevent the battery 16 from falling off from the battery compartment.

In this embodiment, the bottom of the housing is provided with two silica gel pads 19.

In this embodiment, the TFT color screen 3 is inserted into the 10PIN patch holder 7 of the PC base board 5 through the FPC flexible flat cable 24, so that the processing and the production are simpler, and the installation and the maintenance are convenient.

The utility model discloses the radio has added knob, button, has pushed away and has put switch, 2.4 cun TFT color screen and battery compartment, adds the function that shows relevant information and digital signal (DAB) color picture of digital signal (DAB)/analog signal (FM) program for portable digital broadcasting radio, has solved the comparatively single problem of original portable digital broadcasting radio function, has improved the practicality.

Because of the utility model discloses the radio has added and has pushed away put switch and battery compartment, can also can battery powered by the adapter power supply, and this design conveniently carries, has solved the comparatively single problem of original portable digital broadcasting radio power supply, has improved convenient to carry nature.

The TFT color screen adopts a high-definition screen with drive and is connected by using FPC (flexible printed circuit) flexible flat cables, so that the TFT color screen is not easy to damage and is convenient to mount and maintain;

the high-definition lens is adhered to the front end face of the screen, so that the screen of the radio is prevented from being scratched, and the clamping groove for inserting the key board is formed in the upper side of the inner part of the rear shell, so that the key board is convenient to disassemble and assemble; loudspeaker adopt loudspeaker to fix and press to detain and can dismantle the connection, reduce glue and use, simple to operate, green.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and 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), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any technical aspect of the present disclosure as described above for indicating the positional relationship or the shape include the state or the shape similar, analogous or approaching thereto unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

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 are within the protection scope of the technical solution of the present invention.

Claims

1. The multifunctional portable digital broadcast radio is characterized in that: the sound cavity shell consists of a front shell and a rear shell, and sound-emitting heat-dissipating meshes are distributed on the side part of the front surface of the front shell; a TFT color screen is fixed at the front shell, and the front surface of the TFT color screen covers a high-definition lens;

2. The multifunctional portable digital broadcast radio according to claim 1, wherein: a clamping groove is formed in the rear shell, a key control PCB is inserted in the clamping groove, and a clamping block which is in clamping fit with the clamping groove is arranged on the key control PCB; the button frame is arranged above the buttons of the button control PCB, the button hole and the knob hole are formed in the upper side of the rear shell, the buttons of the button frame penetrate through the button hole, the knobs of the button control PCB penetrate through the knob hole, and the knobs are connected with the plastic shell knob cover.

3. The multifunctional portable digital broadcast radio according to claim 2, wherein: the upper side of the rear shell is provided with a sunk groove behind the key hole, a pull rod antenna is arranged in the sunk groove, and the pull rod antenna is locked in the rear shell through a screw fastener and is connected with the main control PCB bottom plate through a shielding wire for improving receiving sensitivity.

4. The multifunctional portable digital broadcast radio according to claim 1, wherein: the side part of the rear shell is provided with a DC jack, an AUX output port and a push switch, and the DC jack, the AUX output port and the push switch are connected with a radio circuit at the bottom plate of the main control PCB through welding.

5. The multifunctional portable digital broadcast radio according to claim 1, wherein: the back of the rear shell is provided with a battery bin, and a battery cover is arranged at the battery bin.

6. The multifunctional portable digital broadcast radio according to claim 1, wherein: the bottom of the shell is provided with a plurality of silica gel foot pads.

7. The multifunctional portable digital broadcast radio according to claim 1, wherein: a DAB receiving module used for receiving and decoding digital signals and an FM receiving module used for receiving and decoding analog signals are arranged at the radio circuit of the master control PCB bottom plate of the radio, and the DAB receiving module and the FM receiving module are connected with the master control module of the radio circuit through an SPI communication circuit.

8. The multifunctional portable digital broadcast radio according to claim 7, wherein: the TFT color screen is connected with the main control module through the I2C communication circuit and receives module information acquired by the main control module from the DAB receiving module and the FM receiving module.

9. The multifunctional portable digital broadcast radio according to claim 8, wherein: the module information comprises related information of digital signals DAB and analog signals FM programs and color pictures of the digital signals DAB, and the TFT color screen comprises a driving circuit and displays the pictures in the module information after receiving the module information.