CN208874553U - Radio receiver and active play system applied to active playback equipment - Google Patents

Radio receiver and active play system applied to active playback equipment Download PDF

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Publication number
CN208874553U
CN208874553U CN201821709323.8U CN201821709323U CN208874553U CN 208874553 U CN208874553 U CN 208874553U CN 201821709323 U CN201821709323 U CN 201821709323U CN 208874553 U CN208874553 U CN 208874553U
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China
Prior art keywords
audio
playback equipment
active
radio receiver
audio signal
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Active
Application number
CN201821709323.8U
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Chinese (zh)
Inventor
何伟峰
何欢潮
徐鹏飞
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Guangzhou Feida Sound Co Ltd
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Guangzhou Feida Sound Co Ltd
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Priority to CN201821709323.8U priority Critical patent/CN208874553U/en
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Abstract

The utility model relates to a kind of radio receiver 401 applied to active playback equipment and active play systems, wireless receiving module connects the audio signal output interface by the audio-frequency signal processing module, and it is wirelessly connected external equipment, the audio signal of the external equipment transmission is received, audio-frequency signal processing module, which is used for, to be power amplifier signal by the Audio Signal Processing and the power amplifier signal is transmitted to the active playback equipment by audio signal output interface.Based on this, the application range of active playback equipment, to improve the ease of use of active playback equipment, is expanded so that active playback equipment can receive audio signal by wireless receiving mode by radio receiver 401.

Description

Radio receiver and active play system applied to active playback equipment
Technical field
The utility model relates to speaker technology fields, more particularly to a kind of wireless receiving applied to active playback equipment Device and active play system.
Background technique
Active playback equipment typically refers to the speaker with power amplifier, such as monitor speaker, multimedia loudspeaker box, active Super low voice box and some home theater active audio amplifiers or earphone etc..Wherein, active playback equipment generally requires access The audio signal of external equipment transmission, plays out according to audio signal.However, in traditional active playback equipment, often Because the reasons such as the limitation of application site cause active playback equipment to be not easy to incoming audio signal, influence active playback equipment The convenience used.
Utility model content
Based on this, it is necessary to it can be led to because of reasons such as the limitations of application site for traditional active playback equipment The problem of being not easy to access audio letter provides a kind of radio receiver applied to active playback equipment and active broadcasting system System.
A kind of radio receiver applied to active playback equipment, including wireless receiving module, Audio Signal Processing mould Block and audio signal output interface;
Wireless receiving module connects audio signal output interface by audio-frequency signal processing module, and outer for being wirelessly connected Portion's equipment receives the audio signal of external equipment transmission;
Audio-frequency signal processing module is used to Audio Signal Processing be power amplifier signal;
Audio signal output interface is set for connecting active playback equipment for power amplifier signal to be transmitted to active broadcasting It is standby.
Wireless receiving module includes bluetooth-communication unit in one of the embodiments,.
Bluetooth-communication unit includes CW66XX Bluetooth chip in one of the embodiments,.
Audio-frequency signal processing module includes audio frequency power amplifier chip in one of the embodiments,.
Audio frequency power amplifier chip includes TI audio frequency power amplifier chip in one of the embodiments,.
It in one of the embodiments, further include human-computer interaction module;
Human-computer interaction module connects wireless receiving module.
Human-computer interaction module includes display unit and push-button unit in one of the embodiments,;
Audio-frequency signal processing module is separately connected display unit and push-button unit.
It in one of the embodiments, further include power module;
Power module connects wireless receiving module.
Power module includes energy-storage units, charhing unit and power input interface in one of the embodiments,;
Wireless receiving module is separately connected energy-storage units, charhing unit and power input interface;
Power input interface connects energy-storage units by charhing unit;
Wherein, power input interface is for connecting external power supply.
A kind of active play system, including active playback equipment and radio receiver;
Radio receiver includes wireless receiving module, audio-frequency signal processing module and audio signal output interface;
Wireless receiving module connects audio signal output interface by audio-frequency signal processing module, and outer for being wirelessly connected Portion's equipment receives the audio signal of external equipment transmission;
Audio-frequency signal processing module is used to Audio Signal Processing be power amplifier signal;
Audio signal output interface connects active playback equipment, for power amplifier signal to be transmitted to active playback equipment.
The above-mentioned radio receiver and active play system, wireless receiving module applied to active playback equipment passes through Audio-frequency signal processing module connects audio signal output interface, and is wirelessly connected external equipment, receives the sound of external equipment transmission Frequency signal, audio-frequency signal processing module, which is used for, to be power amplifier signal by Audio Signal Processing and passes through audio signal output interface for function Discharge signal is transmitted to active playback equipment.Based on this, by radio receiver, so that active playback equipment can be by wirelessly connecing Debit's formula receives audio signal and expands the application range of active playback equipment to improve the ease of use of active playback equipment.
Detailed description of the invention
Fig. 1 is the radio receiver function structure chart applied to active playback equipment of an embodiment;
Fig. 2 is the radio receiver function structure chart applied to active playback equipment of another embodiment;
Fig. 3 is the radio receiver function structure chart applied to active playback equipment of another embodiment;
Fig. 4 is the active play system function structure chart of an embodiment.
Specific embodiment
The purpose of this utility model, technical solution and technical effect in order to better understand, below in conjunction with attached drawing and reality It applies example and further explaining illustration is carried out to the utility model.It states simultaneously, embodiments described below is only used for explaining this Utility model is not used to limit the utility model.
The utility model embodiment provides a kind of radio receiver applied to active playback equipment:
Fig. 1 is the radio receiver function structure chart applied to active playback equipment of an embodiment, such as Fig. 1 institute Show, the radio receiver applied to active playback equipment of an embodiment includes wireless receiving module 100, at audio signal Manage module 101 and audio signal output interface 102;
Wireless receiving module 100 connects audio signal output interface 102 by audio-frequency signal processing module 101, and is used for It is wirelessly connected external equipment, receives the audio signal of external equipment transmission;
Wherein, wireless receiving module 100 is established with external equipment and is wirelessly communicated, connect for being wirelessly connected external equipment Receive the audio signal of external equipment transmission.Generally, external equipment may include intelligent terminal, base station or server etc..With outside For equipment is the smart phone in intelligent terminal, wireless receiving module 100 and smart phone establish connection, receive smart phone The audio signal of transmission.Wherein, wireless receiving module 100 is the electronic unit that can be carried out wireless communication, including Bluetooth communication mould Block, 4G communication module or WIFI communication module etc..
Wireless receiving module 100 includes bluetooth-communication unit in one of the embodiments,.Bluetooth-communication unit passes through indigo plant Tooth communication receives the audio signal that external equipment is sent with bluetooth approach.It is blue as a preferably embodiment Tooth communication unit select CW66XX series Bluetooth chip, including operation 4.2 versions CW6611A Bluetooth chip or CW6611D Bluetooth chip etc..By selecting the Bluetooth chip of CW66XX series, make between wireless receiving module 100 and external equipment Connection can be established faster, and data transmission is more stable, so that the transmission fidelity of audio signal is higher;Meanwhile it selecting The Bluetooth chip of CW66XX series can effectively save the energy consumption of radio receiver.
Audio-frequency signal processing module 101 is used to Audio Signal Processing be power amplifier signal;
Wherein, audio-frequency signal processing module 101 connects wireless receiving module 100, obtains wireless receiving module 100 and receives Audio signal, and by Audio Signal Processing be power amplifier signal.Audio-frequency signal processing module 101 can be selected digital power amplifier chip or Analog amplifier circuit.Built-in virtual three-dimensional sound can be selected as preferably embodiment, an audio-frequency signal processing module 101 The digital power amplifier chip of audio, to enhance the corresponding sense of hearing for playing sound of power amplifier signal.
The audio frequency power amplifier chip of TI series can be selected in audio-frequency signal processing module 101 in one of the embodiments, including TI-60 chip, TI-120 chip or TI-240 chip etc..
Audio signal output interface 102 is for connecting active playback equipment, for power amplifier signal to be transmitted to active broadcasting Equipment.
Wherein, audio signal output interface 102 connects active playback equipment, and power amplifier signal is transmitted to active broadcasting and is set It is standby, so that active playback equipment plays sound according to the power amplifier signal.
Wherein, audio signal output interface 102 may include USB output interface or RCA output interface etc..It is more excellent as one Embodiment, audio signal output interface 102 select 3.5RCA output interface.
In one of the embodiments, as shown in Figure 1, the wireless receiving applied to active playback equipment of an embodiment Device further includes receiving antenna 103;
Receiving antenna 103 connects wireless receiving module 100.
Wireless receiving module 100 connects receiving antenna 103, receives audio signal by receiving antenna.
Wherein, receiving antenna 103 is corresponding with the communication of wireless receiving module 100, to improve wireless receiving The wireless communication ability and stability of module 100.Receiving antenna 103 selects Bluetooth antenna in one of the embodiments,.As One preferably embodiment, 103 selection work frequency of receiving antenna is the 2.4G Bluetooth antenna of 2402MHz-2480MHz.
Fig. 2 is that the wireless receiving applied to active playback equipment of another embodiment fills in one of the embodiments, Function structure chart is set, as shown in Fig. 2, the radio receiver applied to active playback equipment of another embodiment further includes people Machine interactive module 200;
Human-computer interaction module 200 connects wireless receiving module 100.
Human-computer interaction module 200 is used to carry out human-computer interaction with user, acquires the operation information of user to generate man-machine friendship Mutually instruction.Human-machine interactive information can be sent to human-computer interaction module 200 by wireless receiving module 100, so that human-computer interaction module 200 carry out human-computer interaction according to human-machine interactive information and user;Wireless receiving module 100 also can receive human-computer interaction instruction, with Make each circuit module that can realize human-computer interaction by wireless receiving module 100 and human-computer interaction module 200 and user.
Human-computer interaction module 200 includes display unit and push-button unit in one of the embodiments,.
Wherein, display unit can be according to for showing human-machine interactive information.As a preferably embodiment, device packet Tri coloured lantern and charactron are included, by the display of tri coloured lantern and charactron, shows to user and is connected with wireless receiving module 100 The working condition of each circuit module.
Wherein, push-button unit includes several keys, can be used for acquiring the operation information of user's operation key generation, with life At man-machine interactive instruction.
Fig. 3 is that the wireless receiving applied to active playback equipment of another embodiment fills in one of the embodiments, Function structure chart is set, as shown in figure 3, the radio receiver applied to active playback equipment of another embodiment further includes electricity Source module 300;
Power module 300 connects wireless receiving module 100.
Wherein, power module 300 connects wireless receiving module 100, can be according to itself energy storage or external power supply to wireless Receiving module 100 is powered.
Power module 300 includes energy-storage units, charhing unit and power input interface in one of the embodiments,;
Wireless receiving module 100 is separately connected energy-storage units, charhing unit and power input interface;
Power input interface connects energy-storage units by charhing unit;
Wherein, power input interface is for connecting external power supply.
Wherein, energy-storage units are for storing electric energy, and can be powered according to the electric energy of storage to wireless receiving module 100.Its In, lithium battery module or lead-acid battery module etc. can be selected in energy-storage units.It is selected as preferably embodiment, an energy-storage units With the poly-lithium battery of 3.7V680mAh, to balance the endurance and volume of radio receiver.
Wherein, power input interface can be supplied according to external power supply to wireless receiving module 100 for connecting external power supply Electricity, or charged by charhing unit to energy-storage units.Wherein, USB charging interface can be selected in power input interface or adapter connects Mouthful.The USB interface of 5V can be selected as preferably embodiment, a power input interface.
Wherein, charhing unit is used to be powered according to the external power supply being connected with power input interface to energy-storage units.Its In, power management chip or charging adapter can be selected in charhing unit.It is optional as preferably embodiment, a charhing unit With TP4058 power management chip.
The utility model embodiment also provides a kind of active play system:
Fig. 4 is the active play system function structure chart of an embodiment, as shown in figure 4, the active of an embodiment is broadcast Place system includes active playback equipment 400 and radio receiver 401;
Radio receiver 401 includes wireless receiving module 100, audio-frequency signal processing module 101 and audio signal output Interface 102;
Wireless receiving module 100 connects audio signal output interface 102 by audio-frequency signal processing module 101, and is used for It is wirelessly connected external equipment, receives the audio signal of external equipment transmission;
Audio-frequency signal processing module 101 is used to Audio Signal Processing be power amplifier signal;
Audio signal output interface 102 connects active playback equipment 400, sets for power amplifier signal to be transmitted to active broadcasting Standby 400.
The above-mentioned radio receiver applied to active playback equipment and active play system, wireless receiving module 100 Audio signal output interface 102 is connected by audio-frequency signal processing module 101, and is wirelessly connected external equipment, receives external set The audio signal of standby transmission, audio-frequency signal processing module are used for Audio Signal Processing is for power amplifier signal and defeated by audio signal Power amplifier signal is transmitted to active playback equipment 400 by outgoing interface.Based on this, by radio receiver 401, so that active broadcasting Equipment 400 can receive audio signal by wireless receiving mode, to improve the ease of use of active playback equipment 400, expand The application range of active playback equipment 400.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance Shield all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of radio receiver applied to active playback equipment, which is characterized in that believe including wireless receiving module, audio Number processing module and audio signal output interface;
The wireless receiving module connects the audio signal output interface by the audio-frequency signal processing module, and is used for nothing Line connects external equipment, receives the audio signal of the external equipment transmission;
The audio-frequency signal processing module is used to the Audio Signal Processing be power amplifier signal;
The audio signal output interface is described active for the power amplifier signal to be transmitted to for connecting active playback equipment Playback equipment.
2. the radio receiver according to claim 1 applied to active playback equipment, which is characterized in that described wireless Receiving module includes bluetooth-communication unit.
3. the radio receiver according to claim 2 applied to active playback equipment, which is characterized in that the bluetooth Communication unit includes CW66XX Bluetooth chip.
4. the radio receiver according to claim 1 applied to active playback equipment, which is characterized in that audio signal Processing module includes audio frequency power amplifier chip.
5. the radio receiver according to claim 4 applied to active playback equipment, which is characterized in that the audio Power amplifier chips include TI audio frequency power amplifier chip.
6. the radio receiver according to claim 1 applied to active playback equipment, which is characterized in that further include people Machine interactive module;
The human-computer interaction module connects the wireless receiving module.
7. the radio receiver according to claim 6 applied to active playback equipment, which is characterized in that described man-machine Interactive module includes display unit and push-button unit;
The audio-frequency signal processing module is separately connected the display unit and the push-button unit.
8. the radio receiver according to claim 1 applied to active playback equipment, which is characterized in that further include electricity Source module;
The power module connects the wireless receiving module.
9. the radio receiver according to claim 8 applied to active playback equipment, which is characterized in that the power supply Module includes energy-storage units, charhing unit and power input interface;
The wireless receiving module is separately connected the energy-storage units, the charhing unit and the power input interface;
The power input interface connects the energy-storage units by the charhing unit;
Wherein, the power input interface is for connecting external power supply.
10. a kind of active play system, which is characterized in that including active playback equipment and radio receiver;
The radio receiver includes wireless receiving module, audio-frequency signal processing module and audio signal output interface;
The wireless receiving module connects the audio signal output interface by the audio-frequency signal processing module, and is used for nothing Line connects external equipment, receives the audio signal of the external equipment transmission;
The audio-frequency signal processing module is used to the Audio Signal Processing be power amplifier signal;
The audio signal output interface connects active playback equipment, for the power amplifier signal to be transmitted to the active broadcasting Equipment.
CN201821709323.8U 2018-10-22 2018-10-22 Radio receiver and active play system applied to active playback equipment Active CN208874553U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821709323.8U CN208874553U (en) 2018-10-22 2018-10-22 Radio receiver and active play system applied to active playback equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821709323.8U CN208874553U (en) 2018-10-22 2018-10-22 Radio receiver and active play system applied to active playback equipment

Publications (1)

Publication Number Publication Date
CN208874553U true CN208874553U (en) 2019-05-17

Family

ID=66470599

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821709323.8U Active CN208874553U (en) 2018-10-22 2018-10-22 Radio receiver and active play system applied to active playback equipment

Country Status (1)

Country Link
CN (1) CN208874553U (en)

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