CN216930004U

CN216930004U - Portable radio

Info

Publication number: CN216930004U
Application number: CN202220646104.XU
Authority: CN
Inventors: 陈迪佳
Original assignee: Dongguan Dasheng Electronic Technology Co ltd
Current assignee: Dongguan Dasheng Electronic Technology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-08
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to the field of radios, in particular to a portable radio which comprises a shell, a PCB (printed circuit board), an FM (frequency modulation) radio module, a high-frequency path capacitor and an earphone wire; the PCB is arranged inside the shell; the FM radio module is connected with the PCB; the earphone lead is respectively connected with the high-frequency path capacitor and the FM radio module; the high-frequency path capacitor is used for transmitting FM signals induced by the earphone wire to the signal input end of the FM radio module to complete FM signal reception; the PCB is connected with an earphone module, and the earphone module is connected with the earphone wire. The utility model provides a portable radio with small volume and convenient use.

Description

Portable radio

Technical Field

The utility model relates to the field of radios, in particular to a portable radio.

Background

The radio is composed of mechanical device, electronic device and magnet, and is mainly used for receiving radio station broadcasting program and listening to radio transmitting station, generally entertainment and information program transmitted by broadcasting station.

However, the existing radio still has some disadvantages, firstly, the FM signal is 88-108 MHz high frequency electromagnetic wave, when receiving the signal, the antenna is needed, however, the FM signal is limited in the volume of the mobile phone, the fixed antenna device is additionally arranged, the cost is increased, the FM signal is not beautiful, meanwhile, the carrying mode of a user is changeable, the radio lacks a multi-choice portable mode, the practicability of the radio is reduced, and the radio is large in size and not easy to carry about.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a portable radio which is small in size and convenient to use.

The utility model adopts the following technical scheme:

a portable radio comprises a shell, a PCB, an FM radio module, a high-frequency path capacitor and an earphone wire; the PCB is arranged inside the shell; the FM radio module is connected with the PCB; the earphone lead is respectively connected with the high-frequency path capacitor and the FM radio module; the high-frequency path capacitor is used for transmitting FM signals induced by the earphone wire to the signal input end of the FM radio module to complete FM signal reception; the PCB is connected with an earphone module, and the earphone module is connected with the earphone wire.

The technical proposal is further improved in that the portable radio also comprises an AM radio module which is connected with the PCB.

The technical scheme is further improved in that the AM radio module is connected with a first conversion push button, the first conversion push button is connected with the FM radio module, and the first conversion push button is used for converting AM and FM wave bands.

The further improvement of the technical scheme is that the PCB is connected with a loudspeaker, and the loudspeaker is connected with a second conversion push button for converting earphone or loudspeaker modes.

The technical scheme is further improved in that the PCB is connected with a frequency selection unit, and the frequency selection unit comprises a tuning knob and a tuning indication screen for displaying the direction pointed by a frequency pointer.

In a further improvement of the above technical solution, the frequency selection unit further includes a tuning indicator light.

The further improvement of the technical scheme is that the PCB is connected with a volume adjusting unit, and the volume adjusting unit comprises a sound potentiometer for adjusting volume and a control knob connected with the sound potentiometer.

The technical proposal is further improved in that the shell comprises a front shell and a rear shell which are buckled with each other.

The technical scheme is further improved in that a through hole used for the loudspeaker to work is formed in the front of the front shell, a rope hanging groove is formed in the rear of the rear shell, and a battery bin is formed below the rope hanging groove in the rear shell.

The technical proposal is further improved in that the earphone module comprises an earphone hole, and the earphone wire is connected with the earphone module through the earphone hole.

The beneficial effects of the utility model are as follows:

the portable earphone has the advantages of compact structural design, effective volume reduction by using the earphone wire to replace an FM telescopic antenna, convenience in use and carrying and effective improvement of portability.

Drawings

FIG. 1 is a schematic view of the portable radio of the present invention;

FIG. 2 is a schematic block diagram of the portable radio of FIG. 1;

FIG. 3 is an exploded view of the portable radio of FIG. 1;

FIG. 4 is an exploded view from another angle of the portable radio of FIG. 1;

fig. 5 is a rear view of the portable radio of fig. 1.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, a portable radio includes a case 10, a PCB board 20, an FM radio module 30, a high frequency path capacitor 40, an earphone wire 50; the PCB board 20 is disposed inside the housing 10; the FM radio module 30 is connected to the PCB 20; the earphone lead 50 is respectively connected with the high-frequency path capacitor 40 and the FM radio module 30; the high-frequency path capacitor 40 is used for transmitting the FM signal induced by the earphone wire 50 to the signal input end of the FM radio module 30 to complete FM signal reception; the PCB 20 is connected with an earphone module 60, and the earphone module 60 is connected to the earphone wire 50.

Further, the housing 10 includes a front shell 11 and a rear shell 12, and the front shell 11 and the rear shell 12 are buckled to each other.

Furthermore, a through hole 13 for the operation of the horn 21 is formed in the front of the front shell 11, a rope hanging groove 14 is formed in the rear of the rear shell 12, and a battery compartment 15 is formed below the rope hanging groove 14 in the rear shell 12.

Further, the PCB board 20 is connected with a speaker 21, and the speaker 21 is connected with a second switching push button 90 for switching the mode of the earphone or the speaker 21.

Further, the PCB board 20 is connected with a frequency selection unit, and the frequency selection unit includes a tuning knob 22 and a tuning indication screen 23 for displaying the direction of the frequency pointer.

Further, the frequency selection unit also includes a tuning indicator light 24.

Further, the PCB board 20 is connected with a volume adjusting unit, and the volume adjusting unit includes a sound potentiometer for adjusting volume, and a control knob 25 connected to the sound potentiometer.

Further, the earphone module 60 includes an earphone hole 61, and the earphone wire 50 is connected to the earphone module 60 through the earphone hole 61.

Further, the portable radio also comprises an AM radio module 70, and the AM radio module 70 is connected to the PCB 20.

Further, the AM radio module 70 is connected to a first switch button 80, the first switch button 80 is connected to the FM radio module 30, and the first switch button 80 is used for switching AM and FM bands.

The utility model has compact structural design, effectively reduces the volume by using the earphone wire 50 to replace an FM telescopic antenna, is convenient to use and carry and effectively improves the portability.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A portable radio is characterized in that the portable radio comprises a shell, a PCB, an FM radio module, a high-frequency path capacitor and an earphone wire; the PCB is arranged inside the shell; the FM radio module is connected with the PCB; the earphone lead is respectively connected with the high-frequency path capacitor and the FM radio module; the high-frequency path capacitor is used for transmitting FM signals induced by the earphone wire to the signal input end of the FM radio module to complete FM signal reception; the PCB is connected with an earphone module, and the earphone module is connected with the earphone wire.

2. The portable radio of claim 1, further comprising an AM radio module connected to the PCB board.

3. The portable radio as claimed in claim 2, wherein a first conversion push button is connected to the AM radio module, the first conversion push button is connected to the FM radio module, and the first conversion push button is used for converting AM and FM bands.

4. The portable radio as claimed in claim 1, wherein a speaker is connected to the PCB, and a second switch button is connected to the speaker for switching the earphone or speaker mode.

5. The portable radio of claim 1, wherein a frequency selection unit is connected to the PCB board, and the frequency selection unit comprises a tuning knob and a tuning indicator screen for displaying the direction of the frequency pointer.

6. The portable radio of claim 5, wherein the frequency selection unit further comprises a tuning indicator light.

7. The portable radio of claim 1, wherein a volume adjustment unit is connected to the PCB board, the volume adjustment unit comprising a sound potentiometer for adjusting volume, a control knob connected to the sound potentiometer.

8. The portable radio of claim 1, wherein the housing comprises a front shell and a back shell, and the front shell and the back shell are arranged to be buckled with each other.

9. The portable radio of claim 8, wherein a through hole for a speaker to work is formed in front of the front case, a hanging rope groove is formed in the rear of the rear case, and a battery compartment is formed in the rear case below the hanging rope groove.

10. The portable radio of claim 1, wherein the earphone module comprises an earphone hole through which the earphone wire is connected to the earphone module.