CN202026440U - Wireless playing equipment - Google Patents
Wireless playing equipment Download PDFInfo
- Publication number
- CN202026440U CN202026440U CN2010206915336U CN201020691533U CN202026440U CN 202026440 U CN202026440 U CN 202026440U CN 2010206915336 U CN2010206915336 U CN 2010206915336U CN 201020691533 U CN201020691533 U CN 201020691533U CN 202026440 U CN202026440 U CN 202026440U
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- loudspeaker
- audio
- radio
- connecting line
- play equipment
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Abstract
The utility model relates to wireless playing equipment. The wireless playing equipment comprises a radio-frequency receiving module, an audio-frequency processing module, a horn and a metal wire with the property of an electric appliance. The metal wire with the property of the electric appliance is connected with the radio-frequency receiving module so as to transmit a signal which is in air and captured by the metal wire to the radio-frequency receiving module. The radio-frequency receiving module is connected with the audio-frequency processing module so as to transmit an audio-frequency signal obtained by the radio-frequency receiving module to the audio-frequency processing module. The audio-frequency processing module is connected with the horn, and the audio-frequency signal received by the audio-frequency processing module is also transmitted to the horn by the audio-frequency processing module after the audio-frequency signal is processed. According to the wireless playing equipment, the cost is greatly saved. The wireless playing equipment can be widely applied to electronic equipment with an audio-frequency playing function and is especially suitable for portable type electronic equipment, such as a mobile telephone, a moving picture experts group audio layer III (MP3), a moving picture experts group audio layer IV (MP4), a radio, a wireless interphone and the like.
Description
Technical field
The utility model relates to a kind of radio play equipment.
Background technology
Along with the raising day by day of people's living standard, various electronic products are popularized gradually, and be seen everywhere mobile phone, MP3, MP4, broadcast receiver, wireless interspeaker etc. of people have the portable type electronic product of AF playing function.
Yet the portable electric appts that much has playing function at present all is built-in loudspeaker for conserve space, and loudspeaker are little, and the poor effect of audio plays, more do not reach the function of remote broadcast high tone quality music, and are incomparable with real audio amplifier result of broadcast.
Existing audio amplifier divides from receive mode can be divided into two kinds, and a kind of is wired audio amplifier, and another kind is a wireless sound box.Most of in the market audio amplifiers are wired, yet the wiring of wired audio amplifier is loaded down with trivial details, and volume is big, often is not suitable for the portable electric appts that mobile phone, MP3, MP4 etc. have playing function.
Though wireless sound box does not need wiring, usually volume is also not little, and price is relatively costly, can't be complementary with the portable electric appts that mobile phone etc. has a playing function, does not reach people to aspect demands such as audio amplifier volume, prices.
Therefore, present audio amplifier all is not suitable for the portable set that mobile phone, MP3, MP4, wireless interspeaker etc. have playing function.
The utility model content
The utility model provides a kind of radio play equipment that can overcome the above problems.
In first aspect, the utility model provides a kind of radio play equipment.The metal wire that has the opering characteristic of electric apparatus in the multiplexing wireless sound box of this radio play equipment is an antenna, and this playback equipment comprises Receiver Module, audio processing modules, loudspeaker and the metal wire with opering characteristic of electric apparatus.This metal wire with opering characteristic of electric apparatus links to each other with this Receiver Module, thereby signal is sent to this Receiver Module in the air that will be captured by this metal wire.This Receiver Module links to each other with this audio processing modules, thereby will be sent to this audio processing modules by the audio signal that this Receiver Module obtains; Wherein, this Receiver Module obtains radiofrequency signal based on the signal that it receives, and this radiofrequency signal is demodulated to described audio signal.This audio processing modules links to each other with these loudspeaker, and is sent to this loudspeaker after the audio signal that it receives processed, and these loudspeaker play out this audio signal again with speech form then.
Further, described Receiver Module is the frequency modulation Receiver Module, and described radiofrequency signal is a FM signal.
Further, described radio play equipment also comprises the loudspeaker connecting line, and this loudspeaker connecting line is described metal wire with opering characteristic of electric apparatus.
Further, described audio processing modules links to each other with these loudspeaker by this loudspeaker connecting line, so that the audio signal after will handling is sent to this loudspeaker by this loudspeaker connecting line.
Further, described loudspeaker connecting line comprises loudspeaker positive lead and loudspeaker negative lead, and described metal wire with opering characteristic of electric apparatus is this loudspeaker positive lead or loudspeaker negative lead.
Further, described radio play equipment comprises that also first radio frequency intercepts device and second radio frequency intercepts device; This first radio frequency intercepts device one end and links to each other with this audio processing modules, and the other end links to each other with this loudspeaker electrode line wiring, enters into this audio processing modules to have prevented radiofrequency signal; This second radio frequency intercepts device one end and links to each other with this audio processing modules, and the other end links to each other with this loudspeaker negative line wiring, enters into this audio processing modules to have prevented radiofrequency signal.
Further, described radio play equipment also comprises electric power connection line, and this electric power connection line is described metal wire with opering characteristic of electric apparatus.
Further, described electric power connection line comprises positive source connecting line and power cathode connecting line, and described metal wire with opering characteristic of electric apparatus is this positive source connecting line or this power cathode connecting line.
Further, described radio play equipment comprises that also the 3rd radio frequency obstructing instrument spare and the 4th radio frequency intercept device; The 3rd radio frequency obstructing instrument spare one end links to each other with this positive source connecting line, and the other end links to each other with this circuit board power supply, enters into this circuit board power supply to have prevented radiofrequency signal; The 4th radio frequency intercepts device one end and links to each other with this power cathode connecting line, and the other end links to each other with this circuit board ground, enters into this circuit board ground to have prevented radiofrequency signal.
Further, described radio frequency obstruct device is a passive filter.
The utility model is by the electric property metal wire in the multiplexing wireless sound box, and makes audio amplifier equipment possess the wireless receiving function by Receiver Module, audio processing modules.The utility model not only volume is little, and tonequality is better relatively, and wireless transmission distance can reach about 3 meters, is enough to satisfy have the demand of the portable set of playing function to wireless sound box volume, tonequality, transmission range.In addition, in the utility model owing to utilized original electric property metal wire, therefore saved cost greatly.
Description of drawings
Below with reference to accompanying drawings specific embodiments of the present utility model is described in detail, in the accompanying drawings:
Fig. 1 is the portable mobile wireless loudspeaker box structure schematic diagram of an embodiment of the utility model;
Fig. 2 is that the loudspeaker positive lead is the player operation principle block diagram of reception antenna among multiplexing Fig. 1;
Fig. 3 is that the loudspeaker negative lead is the player operation principle block diagram of reception antenna among multiplexing Fig. 1;
Fig. 4 is the portable mobile wireless loudspeaker box structure schematic diagram of another embodiment of the utility model;
Fig. 5 is that the positive source connecting line is the player operation principle block diagram of reception antenna among multiplexing Fig. 4;
Fig. 6 is that the power cathode connecting line is the player operation principle block diagram of reception antenna among multiplexing Fig. 4.
Embodiment
Fig. 1 is the portable mobile wireless loudspeaker box structure schematic diagram of an embodiment of the utility model.Need to prove that Fig. 1 is the expansion schematic diagram of this wireless sound box when audio plays.Carry for convenience, this wireless sound box upper and lower covers can be merged, to form a portable spherical wireless sound box.This wireless sound box volume is little, is applicable to the portable set with playing function.
Among Fig. 1, this wireless sound box comprises loam cake 110, lower cover 120, upper and lower covers connector 130, speaker 140, loudspeaker positive lead 150, loudspeaker negative lead 160, circuit board 170, battery (Fig. 1 does not illustrate).
The loam cake 110 of this wireless sound box, lower cover 120 are respectively the hemisphere of inner hollow, and both get up in merging, can form spherical wireless sound box.
This speaker 140 is positioned at this wireless sound box loam cake 110 inside, and it is used for audio plays, as playing back music etc.
This circuit board 170 is positioned at this wireless sound box lower cover 120 inside, and it is used for all electricity devices of this audio amplifier being fixed and being coupled together, to realize the function of this audio amplifier radio play audio frequency.These wireless sound box lower cover 120 inner batteries (Fig. 1 is not shown) in addition, it is used to this wireless sound box that electric energy is provided.
This audio amplifier upper and lower covers connector 130 plays the function that connects this wireless sound box upper and lower covers and play the chamber that shakes.
This loudspeaker positive lead 150 is referred to as the loudspeaker connecting line with loudspeaker negative lead 160, and this loudspeaker connecting line one end is connected in speaker 140, and the other end is connected in circuit board 170, and its basic function is a transmitting audio signal.
Because speaker 140, circuit board 170 lay respectively at this audio amplifier loam cake, lower cover inside, make that this speaker 140 of connection is relative longer with this loudspeaker connecting line of circuit board 170, and because this loudspeaker connecting line is a metal wire, therefore can be with the reception antenna of this loudspeaker connecting line (in loudspeaker positive lead, the loudspeaker negative lead) as this wireless sound box, thus realize this loudspeaker connecting line is multiplexed with reception antenna.
Fig. 2 is that the loudspeaker positive lead is the player operation principle block diagram of reception antenna among multiplexing Fig. 1.This player comprises that FM Receiver Module 210, audio processing modules 220, radio frequency intercept device 230, loudspeaker positive lead 150, loudspeaker negative lead 160, speaker 140.
At this, loudspeaker positive lead 150 is multiplexed with the audio amplifier reception antenna, this loudspeaker positive lead 150 also has this antenna function of catching signal in the air except having this basic function of transmitting audio signal at this moment.
Among Fig. 2, loudspeaker positive lead 150 links to each other with FM Receiver Module 210, transfers to this FM Receiver Module 210 so that it is captured airborne all signals.
There is a radio frequency to intercept device 230 between this loudspeaker positive lead 150, loudspeaker negative lead 160 and this audio processing modules 220 respectively, enters into this audio processing modules 220 to have prevented FM (frequency modulation) signal.In the example, it is passive filter that this radio frequency intercepts device 230.
This FM Receiver Module 210 obtains FM (frequency modulation) signal from the signal from loudspeaker positive lead 150, and this FM signal frequency that will obtain is demodulated to corresponding audio signal.In the example, what this frequency demodulation adopted is frequency discriminator.
Generally, the frequency range of this FM (frequency modulation) signal be 76MHZ to 108MHZ, so these FM Receiver Module 210 rejection frequencies are at 76MHZ all signals outside the 108MHZ, to obtain the signal of 76MHZ within the 108MHZ scope.
The audio signal that this audio processing modules 220 receives from this FM Receiver Module 210, again this audio signal is handled, and then the audio signal after will handling is sent to speaker 140 by this loudspeaker connecting line, and this speaker 140 plays out this audio frequency with speech form at last.
Particularly, 220 pairs of these audio signals of this audio processing modules are done is treated to multiple processing such as filtering noise, digital-to-analogue conversion, to obtain to have the audio signal of preferable tonequality.
Fig. 3 is that the loudspeaker negative lead is the player operation principle block diagram of reception antenna among multiplexing Fig. 1.Fig. 3 player and the difference of Fig. 2 player only are that Fig. 3 links to each other the loudspeaker negative lead with the FM Receiver Module, and Fig. 2 links to each other the loudspeaker positive lead with the FM Receiver Module.Therefore, Fig. 3 player and Fig. 2 player operation principle are identical, do not repeat them here.
Fig. 4 is the portable mobile wireless loudspeaker box structure schematic diagram of another embodiment of the utility model, and this figure also is the expansion schematic diagram of wireless sound box equipment.
Among Fig. 4, this wireless sound box comprises loam cake 410, lower cover 420, upper and lower covers connector 430, speaker 440, positive source connecting line 450, power cathode connecting line 460, circuit board 470, battery 480.
Fig. 4 audio amplifier and the difference of Fig. 1 audio amplifier are that the circuit board of Fig. 4 audio amplifier is positioned at the audio amplifier loam cake, and the circuit board of Fig. 1 audio amplifier is positioned at the audio amplifier lower cover.Because circuit board 470, battery 480 lay respectively in this audio amplifier upper and lower covers, make that this electric power connection line that connects this circuit board 470, battery 480 is longer relatively, and because this electric power connection line is a metal wire, therefore can be with the reception antenna of this electric power connection line (in positive source connecting line, the power cathode connecting line) as this wireless sound box, thus realize this electric power connection line is multiplexed with reception antenna.
Fig. 5 is that the positive source connecting line is the player operation principle block diagram of reception antenna among multiplexing Fig. 4.This player comprises that FM Receiver Module 510, audio processing modules 520, radio frequency intercept device 530, electric power connection line (comprising positive source connecting line 450 and power cathode connecting line 460), speaker 440.
At this, positive source connecting line 450 is multiplexed with the audio amplifier reception antenna, this positive source connecting line 450 also has this antenna function of signal in the air of catching except having this basic function of transmission of power at this moment.
Among Fig. 5, this positive source connecting line 450 links to each other with FM Receiver Module 510, transfers to this FM Receiver Module 510 so that it is captured airborne all signals.
Between this positive source connecting line 450 and this circuit board 470 power supply VCC, there is a radio frequency to intercept device 530, enters into power supply VCC to have prevented FM (radio frequency) signal.And between this power cathode connecting line 460 and this circuit board 470 ground wires, there is a radio frequency to intercept device 530, to have prevented in FM (radio frequency) the signal inflow place.In the example, it is passive filter that this radio frequency intercepts device 530.
Need to prove, the above Fig. 2, Fig. 3, Fig. 5, and the FM Receiver Module among the following stated Fig. 6, audio processing modules, radio frequency intercept device and all are in its related circuit plate.
This FM Receiver Module 510 obtains FM (frequency modulation) signal from the signal from positive source connecting line 450, and this FM signal frequency that will obtain is demodulated to corresponding audio signal.In the example, what this frequency demodulation adopted is frequency discriminator.
Generally, the frequency range of this FM (frequency modulation) signal be 76MHZ to 108MHZ, so these FM Receiver Module 510 rejection frequencies are at 76MHZ all signals outside the 108MHZ, to obtain the signal of 76MHZ within the 108MHZ scope.
The audio signal that this audio processing modules 520 receives from this FM Receiver Module 510, again this audio signal is handled, and then the audio signal after will handling is sent to speaker 440, so that by this speaker 440 this audio frequency is played out with speech form.
Particularly, 520 pairs of these audio signals of this audio processing modules are done is treated to multiple processing such as filtering noise, digital-to-analogue conversion, to obtain to have the audio signal of preferable tonequality.
Fig. 6 is that the power cathode connecting line is the player operation principle block diagram of reception antenna among multiplexing Fig. 4.Fig. 6 player and the difference of Fig. 5 player only are that Fig. 6 links to each other the power cathode connecting line with the FM Receiver Module, and Fig. 4 links to each other the positive source connecting line with the FM Receiver Module.Therefore, Fig. 6 player and Fig. 4 player operation principle are identical, do not repeat them here.
Need to prove that above-described all FM Receiver Modules are not limited to FM (frequency modulation) Receiver Module, also can be other any Receiver Modules, as AM (amplitude modulation) Receiver Module etc.
In addition, the player of Fig. 2, Fig. 3 is not limited to only be used in the audio amplifier shown in Figure 1, and it can be used for comprising arbitrarily the audio amplifier of loudspeaker, loudspeaker connecting line.Equally, the player of Fig. 5, Fig. 6 also is not limited only to be used in Fig. 4 audio amplifier, and it also can be used for comprising arbitrarily the audio amplifier of loudspeaker, electric power connection line.
And the utility model also is not limited to horn wire, the electric power connection line in the multiplexing audio amplifier, the metal wire that it has electrical characteristic in also can multiplexing audio amplifier arbitrarily; Even can in audio amplifier, connect an opering characteristic of electric apparatus metal wire, and make it be exclusively used in the audio amplifier reception antenna, mix FM Receiver Module, audio processing modules, radio frequency obstruct device again, just can realize the wireless receiving and the playing function of this audio amplifier.
Obviously, under the prerequisite that does not depart from true spirit of the present utility model and scope, the utility model described here can have many variations.Therefore, the change that all it will be apparent to those skilled in the art that all should be included within the scope that these claims contain.The utility model scope required for protection is only limited by described claims.
Claims (10)
1. a radio play equipment is characterized in that, the metal wire that has the opering characteristic of electric apparatus in the multiplexing wireless sound box of this radio play equipment is an antenna; And this radio play equipment comprises Receiver Module, audio processing modules, loudspeaker and the metal wire with opering characteristic of electric apparatus;
This metal wire with opering characteristic of electric apparatus links to each other with this Receiver Module, thereby signal is sent to this Receiver Module in the air that will be captured by this metal wire;
This Receiver Module links to each other with this audio processing modules, thereby will be sent to this audio processing modules by the audio signal that this Receiver Module obtains; Wherein, this Receiver Module obtains radiofrequency signal based on the signal that it receives, and this radiofrequency signal is demodulated to described audio signal;
This audio processing modules links to each other with these loudspeaker, and is sent to this loudspeaker after the audio signal that it receives processed, and these loudspeaker play out this audio signal again with speech form then.
2. a kind of radio play equipment as claimed in claim 1 is characterized in that described Receiver Module is the frequency modulation Receiver Module, and described radiofrequency signal is a FM signal.
3. a kind of radio play equipment as claimed in claim 1 is characterized in that this radio play equipment also comprises the loudspeaker connecting line, and this loudspeaker connecting line is described metal wire with opering characteristic of electric apparatus.
4. a kind of radio play equipment as claimed in claim 3 is characterized in that, this audio processing modules links to each other with these loudspeaker by this loudspeaker connecting line, so that the audio signal after will handling is sent to this loudspeaker by this loudspeaker connecting line.
5. a kind of radio play equipment as claimed in claim 3, it is characterized in that, described loudspeaker connecting line comprises loudspeaker positive lead and loudspeaker negative lead, and described metal wire with opering characteristic of electric apparatus is this loudspeaker positive lead or loudspeaker negative lead.
6. a kind of radio play equipment as claimed in claim 5 is characterized in that, this radio play equipment comprises that also first radio frequency intercepts device and second radio frequency intercepts device;
This first radio frequency intercepts device one end and links to each other with this audio processing modules, and the other end links to each other with this loudspeaker electrode line wiring, enters into this audio processing modules to have prevented radiofrequency signal;
This second radio frequency intercepts device one end and links to each other with this audio processing modules, and the other end links to each other with this loudspeaker negative line wiring, enters into this audio processing modules to have prevented radiofrequency signal.
7. a kind of radio play equipment as claimed in claim 1 is characterized in that this radio play equipment also comprises electric power connection line, and this electric power connection line is described metal wire with opering characteristic of electric apparatus.
8. a kind of radio play equipment as claimed in claim 7, it is characterized in that, described electric power connection line comprises positive source connecting line and power cathode connecting line, and described metal wire with opering characteristic of electric apparatus is this positive source connecting line or this power cathode connecting line.
9. a kind of radio play equipment as claimed in claim 8, wherein, this audio amplifier also comprises circuit board; It is characterized in that this radio play equipment comprises that also the 3rd radio frequency obstructing instrument spare and the 4th radio frequency intercept device;
The 3rd radio frequency obstructing instrument spare one end links to each other with this positive source connecting line, and the other end links to each other with this circuit board power supply, enters into this circuit board power supply to have prevented radiofrequency signal;
The 4th radio frequency intercepts device one end and links to each other with this power cathode connecting line, and the other end links to each other with this circuit board ground, enters into this circuit board ground to have prevented radiofrequency signal.
10. as claim 5 or 9 described a kind of radio play equipment, it is characterized in that it is passive filter that described radio frequency intercepts device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206915336U CN202026440U (en) | 2010-12-22 | 2010-12-22 | Wireless playing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206915336U CN202026440U (en) | 2010-12-22 | 2010-12-22 | Wireless playing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202026440U true CN202026440U (en) | 2011-11-02 |
Family
ID=44851373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206915336U Expired - Fee Related CN202026440U (en) | 2010-12-22 | 2010-12-22 | Wireless playing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202026440U (en) |
-
2010
- 2010-12-22 CN CN2010206915336U patent/CN202026440U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NXP BV Free format text: FORMER OWNER: BEIJING QUINTIC MICROELECTRONICS CO., LTD. Effective date: 20150330 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150330 Address after: Holland Ian Deho Finn Patentee after: NXP BV Address before: 100084, B, building eight, Tsinghua Science Park, No.1, Zhongguancun East Road, Haidian District, Beijing, 301A Patentee before: Quintic Beijing Microelectroni |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |