CN2487004Y - Built-in radio broadcast receiver for computer - Google Patents

Abstract

The utility model discloses a wireless broadcast radio inner set in computer, which mainly consists of a box body which is fixed on the standard plug groove of computer case and a radio circuit board, an antenna, a loudhailer and a power which are installed in the box body. The panel on the outside of the box body is provided with buttons for station selection, replacement, attunement and clock controlling and with a digit display. The utility model uses a plurality of standard components which match the computer to realize the situation of using the computer while listening to the radio. The utility model has low cost, convenient use and strong function.

Description

A kind of built-in computer radio broadcasting radio

The utility model belongs to a kind of computing machine auxiliary, the built-in radio reception equipment of particularly a kind of desk-top computer.

Current, various microcomputers not only are widely used in scientific research, engineering design, business administration, office's document process, and go deep into domestic. applications more and more widely, as the aid of people's work, study and family life,, some also just arise at the historic moment so having multi-functional area of computer aided card.So some recreational devices also just arise at the historic moment.As United States Patent (USP) 5,359,367,5,249,164 and 5,283,819 plug-in unit and the Chinese patents 96116739.4 that provide the TV ability provide portable computer entertainment systems etc.But their none unactual operations that takies computing machine reality, that is to say that computing machine is as the amusement time spent, just no longer carried out other real works or will take computer CPU system resource in a large number, like this computer hardware environment is had higher requirement, increased equipment cost.In addition, computing machine also causes some problems when bringing huge benefit to people.Behind people's long-time operation computing machine, may cause the reduction of work efficiency on the one hand.Also may influence healthy on the other hand.Thus, computer operation person always wishes edge work limit broadcast listening entertainment, though can receive digital broadcast program by network, because the objective condition restriction of present Internet resources and circuit also will take a large amount of computer CPU resources.People are difficult in not to be influenced the computing machine use and is realizing that the limit is by time Control work progress, limit broadcast listening entertainment edge work under the situation cheaply.

Goal of the invention of the present utility model provides a kind ofly can be listened to radio broadcasting signal at any time and not influence the multi-functional auxiliary of the built-in standard form of computer cabinet that computing machine uses, its low cost of manufacture, and stable performance, easy for operation.

In order to realize the object of the invention, the utility model provides a kind of built-in computer radio broadcasting radio, by the radio reception circuit board that is fixed in the machine box, antenna, loudspeaker, power supply is formed, its characteristics are: described machine box is one can be fixedly mounted on the box body on the standard CD-ROM slot on the computer cabinet, the panel in the described box body cabinet outside is provided with multi-functional control button and digital display screen, described radio reception circuit board is by frequency modulation/amplitude modulation radio reception circuit, audio amplifier circuit, the frequency range tuner, tuning restorer, the humorous whole circuit of antenna, fader, clock circuit and power circuit are formed, described antenna is connected with frequency modulation/amplitude modulation radio reception circuit by the humorous whole circuit of described antenna, frequency modulation/amplitude modulation radio reception circuit and frequency range tuner, tuning restorer is connected with audio amplifier circuit, audio amplifier circuit is connected with described loudspeaker by fader, described frequency range tuner, tuning restorer, volume control circuit, clock circuit is connected with digital display screen with corresponding function control button respectively with power circuit.

Above-mentioned radio broadcasting radio, its characteristics are: also be provided with headset output interface on the described panel.

Above-mentioned radio broadcasting radio, its characteristics are: the humorous whole circuit of described antenna is one group of inductor.

Above-mentioned radio broadcasting radio, its characteristics are: described power circuit is an ac-dc converter circuit,

Above-mentioned radio broadcasting radio, its characteristics are: described power supply is the 6v power supply on the computer motherboard.

Above-mentioned radio broadcasting radio, its characteristics are: the external speaker of described loudspeaker for being connected with computer sound card.

Above-mentioned radio broadcasting radio, its characteristics are: described antenna is a built-in aerial, and described antenna is connected on the connecting line of described loudspeaker or headset output interface by electric capacity and lead.

Above-mentioned radio broadcasting radio, its characteristics are: volume control circuit is a volume tuned circuit of being made up of potentiometer.

Above-mentioned radio broadcasting radio, its characteristics are: described power circuit is provided with a logical/short electronic switch by described clock circuit control.

Above-mentioned radio broadcasting radio, its characteristics are: described function control button is channel selection, reset, volume, time control button.

After adopting said structure, this radio and computing machine move the actual work of carrying out of computing machine that do not influence simultaneously, and it gives the sound accompaniment of a music of operator on the one hand, but also prompting or the warning of a time of operator on the other hand.These functions can be adjusted by button by the user of computing machine, and this radio moves independently after the adjustment, and can in time give computer operation person's prompt time progress information.Because this structure can be used the standard device element supporting with computing machine in a large number, makes the big reduction of its manufacturing cost, component reliability, stable performance are manipulated very convenient.

Further specify embodiment of the present utility model below in conjunction with accompanying drawing

Fig. 1 is that the utility model is used synoptic diagram on computer cabinet

Fig. 2 is a box body structure synoptic diagram of the present utility model

Fig. 3 is a radio reception circuit diagram on the circuit board among Fig. 2

Fig. 1,2 and Fig. 3 in, one of embodiment of the present utility model is a radio broadcasting receiver that is used for being installed in computer cabinet CD-ROM standard sockets.In Fig. 1, CD-ROM CD-ROM drive 200, floppy disk 300 and radio broadcasting receiver 10 are installed on this cabinet 100.In Fig. 2, this receiver 10 mainly is made up of box body 11, box body slot 12, box body panel 13, circuit board 1, loudspeaker 7, power supply 6, box body slot 12 can insert on the desk-top microcomputer cabinet 100 on the standard sockets, and by a plurality of screws in both sides radio broadcasting receiver 10 is fixed on this cabinet 100.In Fig. 2 and Fig. 3, the circuit board 1 that is fixedly mounted in the box body 11 mainly is made up of radio reception circuit and clock circuit 15 again, and wherein the radio reception circuit is made up of fm radio circuit 21, audio amplifier circuit 2, frequency modulation station selecting circuit 3, reset circuit 4, the humorous whole circuit 5 of antenna and volume control circuit 9.Box body panel 13 is provided with frequency range tune button 31, reset button 41, loudspeaker 7, volume control knob 91, digital display screen 14, earphone jack 71 and time button 16 is set.In Fig. 3, antenna 8 is connected with fm radio circuit 21 by the humorous whole circuit 5 of antenna, and fm radio circuit 21 is connected with frequency modulation station selecting circuit 3, reset circuit 4 and audio amplifier circuit 21, and audio amplifier circuit 2 is connected with loudspeaker 7 by volume control circuit 9.In the present embodiment, fm radio circuit 21 adopts TDH7088T, audio amplifier circuit 2 adopts AK7112E, frequency range tune button 31 on frequency modulation station selecting circuit 3 and the box body panel 13 is connected as a single entity, utilize frequency range tune button 31 scanning bands to realize the purpose of channel selection, reset circuit 4 and the reset button 41 on box body panel 13 connect as one, can reset button 41 stop band scan, make it get back to initial frequency range position.The humorous whole circuit 5 of antenna mainly is made up of inductor and electric capacity, and it makes the broadcast station signal of acceptance more accurate.This receiver carries an ac-dc converter circuit and makes power supply 6 in the present embodiment, certainly also can directly utilize 6v power supply on the computer motherboard by lead.In the present embodiment, loudspeaker 7 sounding of this receiver by carrying also can directly be connected on the circuit 7+ that is connected on the loudspeaker 7 on the audio frequency input pointer of computer sound card, then the external speaker sounding by being connected with sound card.Antenna 8 is a built-in extension antenna, it adopts metal wire and with electric capacity it is welded on the connecting line of computer sound card, antenna 8 is not sealed by computer cabinet, solved the shielding problem, also can adopt metal wire certainly and it is welded on the connecting line of earphone jack 71 with electric capacity.Volume control circuit 9 is volume tuned circuits, adopts potentiometer to control tuning sound size as volume control knob 91.Also be fixed with clock control circuit 15 and display screen 14 in this circuit board 1, can realize the various control function, start radio reception, show that control radio reception frequency range is fixed as self-timing, show loud minor adjustment, the user can operate by the tuning of each function button very easily.Adopt this frequency modulation/amplitude modulation radio of the utility model design, after the computing machine user regulates channel and volume, just automatic playing back music or news, and can not bring any influence to the Computer Processing business.Because clock circuit has the function of clock and watch, can carry out countdown very easily again,, change that other are professional or have a rest over to, also can be used for monitoring the speed of a certain course of work to remind operator's control time.

Claims (10)

1, a kind of built-in computer radio broadcasting radio, by the radio reception circuit board that is fixed in the machine box, antenna, loudspeaker, power supply is formed, it is characterized in that: described machine box is one can be fixedly mounted on the box body on the standard CD-ROM slot on the computer cabinet, the panel in the described box body cabinet outside is provided with multi-functional control button and digital display screen, described radio reception circuit board is by frequency modulation/amplitude modulation radio reception circuit, audio amplifier circuit, the frequency range tuner, tuning restorer, the humorous whole circuit of antenna, fader, clock circuit and power circuit are formed, described antenna is connected with frequency modulation/amplitude modulation radio reception circuit by the humorous whole circuit of described antenna, frequency modulation/amplitude modulation radio reception circuit and frequency range tuner, tuning restorer is connected with audio amplifier circuit, audio amplifier circuit is connected with described loudspeaker by fader, described frequency range tuner, tuning restorer, volume control circuit, clock circuit is connected with digital display screen with described function control button respectively.

2, according to the described radio broadcasting radio of claim 1, it is characterized in that: also be provided with headset output interface on the described panel.

3, according to the described radio broadcasting radio of claim 1, it is characterized in that: the humorous whole circuit of described antenna is one group of inductor.

4, according to the described radio broadcasting radio of claim 1, it is characterized in that: described power supply is an ac-dc converter circuit.

5, according to the described radio broadcasting radio of claim 1, it is characterized in that: described power supply is the 6v power supply on the computer motherboard.

6, according to the described radio broadcasting radio of claim 1, it is characterized in that: the external speaker of described loudspeaker for being connected with computer sound card.

7, according to the described radio broadcasting radio of claim 6, it is characterized in that: described antenna is a built-in aerial, and described antenna is connected on the connecting line of described loudspeaker or headset output interface by electric capacity and lead.

8, according to the described radio broadcasting radio of claim 1, it is characterized in that: volume control circuit is a volume tuned circuit of being made up of potentiometer.

9, according to the described radio broadcasting radio of claim 1, it is characterized in that: described power circuit is provided with a logical/short electronic switch by described clock circuit control.

10, according to the described radio broadcasting radio of claim 1, it is characterized in that: described function control button is channel selection, reset, volume, time control button.

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