CN211429293U

CN211429293U - NFM/WFM double-demodulation mode digital radio

Info

Publication number: CN211429293U
Application number: CN202020518658.2U
Authority: CN
Inventors: 杨汉球; 邓泽和; 刘喜远; 梁传深; 钟海强; 杨武彬
Original assignee: Shenzhen Hanrongda Electronics Co ltd
Current assignee: Shenzhen Hanrongda Electronics Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-09-04
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to a radio technical field, and disclose digital radio of NFM WFM double demodulation mode, including the radio body, the power button has been installed in proper order to the upper end of radio body, the locking button, the jack that charges, earphone jack and pull rod antenna, the LCD display screen has been installed in the front of radio body, sound increment key and sound decrement key have still been installed from top to bottom in proper order to the front of radio body, the access platform button has been installed in proper order to the surface of radio body corresponding LCD display screen downside, wave band mode conversion button, set up button and alarm clock button, the button is down adjusted to the selection platform key and the selection platform to the lateral wall longitudinal symmetry of radio body, the external acoustic horn has been seted up in the front of radio body. The utility model discloses a NFM WFM double-demodulation mode can arrange in order repeatedly and enlarge and the requirement that the frequency channel has been realized in the filtering, has compensatied the receiver because the change of environment and can't listen to the program content of wanting to listen to, can clearly listen to the time of class of newspaper of aircraft.

Description

NFM/WFM double-demodulation mode digital radio

Technical Field

The utility model relates to a radio technical field especially relates to the digital radio of NFM WFM double demodulation mode.

Background

A radio is composed of mechanical parts, electronic parts and magnet, and can convert electric wave signal into audio signal by electric energy and listen to the audio signal transmitted by radio station. Also known as radio, broadcast, etc.

The existing FM radio has poor signal receiving capability, cannot listen to a program to be listened to easily due to environmental change of a user, cannot clean the time of class announcement of the plane to be listened to, and is inconvenient for practical use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving FM frequency modulation radio signal reception among the prior art poor, because user's environment change can't listen to the program of wanting to listen to easily, and can not wash the time of calling out a shift of listening to the aircraft, the problem of the not in-service use of being convenient for, and the digital radio of the two demodulation modes of NFM WFM who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the NFM/WFM double-demodulation mode digital radio comprises a radio body, wherein the upper end of the radio body is sequentially provided with a power supply key, a locking key, a charging jack, an earphone jack and a telescopic antenna, the front surface of the radio body is provided with an LCD display screen, the front surface of the radio body is also sequentially provided with a sound increment key and a sound decrement key from top to bottom, the surface of the radio body, corresponding to the lower side of the LCD display screen, is sequentially provided with an access station key, a waveband mode conversion key, a setting key and an alarm clock key, the side wall of the radio body is symmetrically provided with a station selection up-regulation key and a station selection down-regulation key from top to bottom, and the front surface of the radio body is provided with an external speaker;

the radio comprises a radio body and is characterized in that an advancing notch is formed in one side of the telescopic antenna, a fixed plate is fixedly connected to the upper end of the radio body, a plurality of jacks are formed in the surface of the fixed plate, an advancing rod is inserted into the jacks in an inner movable mode and is arranged in a plurality of positions, the advancing rod is close to the same triangular advancing block and the same push plate is fixedly connected to one end of the telescopic antenna, the other end of the advancing rod is fixedly connected with the same push plate, and a plurality of reset springs are fixedly connected between the opposite side wall of the triangular advancing block and the fixed.

Preferably, the charging jack is a DC 5V charging jack.

Preferably, the earphone jack is a 3.5MM earphone jack.

Preferably, a rope hanging opening is formed in the rear side of the radio body.

Preferably, a layer of buffer rubber block is fixedly mounted at each of four corners of the radio body.

Compared with the prior art, the utility model provides a digital radio of NFM WFM double demodulation mode possesses following beneficial effect:

1. the digital radio with NFM/WFM double demodulation mode can realize the fast opening and closing of the radio body through the arranged power supply keys, the locking key shell can prevent the misoperation conditions of frequency conversion, shutdown and the like, the charging jack can realize the charging of the radio body, the arrangement of the earphone jack can ensure that the radio is connected with the earplug radio and the other people can not be influenced, the arrangement of the telescopic antenna ensures that a user pulls the telescopic antenna to be beneficial to the receiving of radio signals when listening to FM, SW, CB, AIR and VHF bands, the LCD display screen has liquid crystal digital display, thereby being convenient for the user to watch frequency points, convert frequency bands, use conditions of batteries, convert frequency bands, adjust the volume and the like, the integral radio body can repeatedly arrange, amplify and filter through the NFM/WFM double demodulation mode to realize the requirement of the frequency bands, and the condition that the receiver can not listen to the program content due to the change of the environment is compensated, the time of the airplane can be clearly listened.

2. This digital type radio of two demodulation modes of NFM WFM, through the triangle propulsion piece that is equipped with, when the telescopic antenna is pulled out to needs, promote the push pedal, the push pedal promotes triangle propulsion piece through the propulsion pole and removes, and then makes the pointed end of triangle propulsion piece impel in the propulsion breach of telescopic antenna lateral wall for telescopic antenna can be by ejecting fast, is convenient for take out telescopic antenna and uses.

3. The digital radio with the NFM/WFM double demodulation mode has the advantages that the radio body has effective anti-falling protection performance through the buffer rubber block, and the radio body is good in protection.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a NFM WFM double-demodulation mode can arrange in order repeatedly and enlarge and the requirement that the filtering realized the frequency channel, remedied the receiver because the change of environment and can't listen to the program content of wanting to listen to, can clearly listen to the time of reporting a shift of aircraft.

Drawings

Fig. 1 is a schematic front view of the NFM/WFM dual demodulation mode digital radio of the present invention;

fig. 2 is a schematic top view of the NFM/WFM dual demodulation mode digital radio of the present invention;

fig. 3 is a schematic side view of the NFM/WFM dual demodulation mode digital radio of the present invention;

fig. 4 is a schematic structural diagram of a part a of the NFM/WFM dual demodulation mode digital radio according to the present invention.

In the figure: 1 radio body, 2 power button, 3 locking button, 4 jacks that charge, 5 earphone jacks, 6 rod antenna, 7LCD display screen, 8 sound increment key, 9 sound decrement key, 10 access station button, 11 wave band mode conversion button, 12 set up the button, 13 alarm clock buttons, 14 select a station to go up the key, 15 select a station to go down the key, 16 outer speaker, 17 impel the breach, 18 fixed plates, 19 pushing ram, 20 triangle propulsion block, 21 push pedal, 22 reset spring, 23 string rope mouths, 24 buffering rubber blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the NFM/WFM dual-demodulation mode digital radio includes a radio body 1, a power key 2, a locking key 3, a charging jack 4, an earphone jack 5 and a telescopic antenna 6 are sequentially installed at the upper end of the radio body 1, an LCD display screen 7 is installed on the front side of the radio body 1, a sound increment key 8 and a sound decrement key 9 are further sequentially installed on the front side of the radio body 1, an access button 10, a band mode conversion key 11, a setting key 12 and an alarm clock key 13 are sequentially installed on the surface of the radio body 1 corresponding to the lower side of the LCD display screen 7, a channel selection up-tuning key 14 and a channel selection down-tuning key 15 are symmetrically installed on the sidewall of the radio body 1, and an external speaker 16 is installed on the front side of the radio body 1;

propulsion breach 17 has been seted up to one side of telescopic antenna 6, the upper end fixedly connected with fixed plate 18 of radio body 1, a plurality of jacks and jack internalization are seted up on the surface of fixed plate 18 and are inserted and be equipped with impulse strut 19, many impulse struts 19 are close to the same triangle of one end fixedly connected with of telescopic antenna 6 and impel piece 20, the same push pedal 21 of the other end fixedly connected with of many impulse struts 19, the triangle impels a plurality of reset springs 22 that establish respectively outside many impulse struts 19 of cover between 20 and the fixed plate 18 lateral wall of one side in opposite directions of fixedly connected with.

The charging jack 4 is specifically a DC 5V charging jack.

The headphone jack 5 is in particular a 3.5MM headphone jack.

The rear side of the radio body 1 is provided with a rope hanging port 23.

The four corners of the radio body 1 are fixedly provided with a layer of buffer rubber blocks 24.

In the utility model, when in use, the radio body 1 can be rapidly opened and closed through the power supply key 2, the locking key 3 can prevent the misoperation conditions of frequency conversion, shutdown and the like, the charging jack 4 can realize the charging of the radio body 1, the earphone jack 5 can ensure that the radio is connected with the earplug radio and the other people can not be influenced, the pull rod antenna 6 is arranged to ensure that a user can listen to FM, SW, CB, AIR and VHF bands, the pull rod antenna 6 is pulled open to be beneficial to the signal receiving of the radio, the LCD display 7 has liquid crystal digital display, thereby being convenient for the user to see frequency points, the band conversion, the battery use condition, the band conversion, the volume adjustment and the like, the whole radio body can repeatedly arrange, amplify and filter through NFM/WFM double demodulation mode to realize the requirement of the frequency band, the receiver can not listen to the wanted program content due to the change of the environment, can clearly listen to class time of aircraft, advance piece 20 through the triangle that is equipped with, when pull rod antenna 6 is pulled out to needs, promote push pedal 21, push pedal 21 promotes triangle through push rod 19 and advances piece 20 and remove, and then make the most advanced propulsion breach 17 of pull rod antenna 6 lateral wall of triangle advance piece 20 in, make pull rod antenna 6 can be ejecting fast, be convenient for take out pull rod antenna 6 and use, buffer rubber piece 24 through being equipped with, make radio body 1 have effectual anti-falling protective properties, it is good to radio body 1's protectiveness.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

The NFM/WFM double-demodulation-mode digital radio comprises a radio body (1) and is characterized in that a power key (2), a locking key (3), a charging jack (4), an earphone jack (5) and a telescopic antenna (6) are sequentially arranged at the upper end of the radio body (1), an LCD display screen (7) is arranged on the front face of the radio body (1), a sound increment key (8) and a sound decrement key (9) are sequentially arranged on the front face of the radio body (1), a channel access key (10), a waveband mode conversion key (11), a setting key (12) and a channel selection down key (15) are sequentially arranged on the surface of the radio body (1) corresponding to the lower side of the LCD display screen (7), a channel selection up-tuning key (14) and a channel selection down-tuning key (15) are symmetrically arranged on the upper and lower side wall of the radio body (1), the front surface of the radio body (1) is provided with an external loudspeaker (16);

impel breach (17) have been seted up to one side of telescopic antenna (6), the upper end fixedly connected with fixed plate (18) of radio body (1), the surface of fixed plate (18) has been seted up a plurality of jacks and jack internalization and has been inserted and be equipped with impulse strut (19), many the same triangle of one end fixedly connected with that impulse strut (19) is close to telescopic antenna (6) impels piece (20), many the same push pedal (21) of the other end fixedly connected with of impulse strut (19), fixedly connected with is a plurality of cover respectively between the lateral wall of one side that triangle impels piece (20) and fixed plate (18) is in opposite directions established reset spring (22) outside many impulse struts (19).
2. The NFM/WFM dual demodulation mode digital radio receiver according to claim 1, wherein the charging jack (4) is a DC 5V charging jack.
3. The NFM/WFM dual demodulation mode digital radio receiver according to claim 1, wherein the headphone jack (5) is specifically a 3.5MM headphone jack.
4. The NFM/WFM double demodulation mode digital radio receiver according to claim 1, wherein a rope hanging opening (23) is opened at the rear side of the radio receiver body (1).
5. The NFM/WFM double demodulation mode digital radio receiver according to claim 1, wherein a layer of cushion rubber block (24) is fixedly installed at each of four corners of the radio receiver body (1).