CN204615812U - FM reflector and FM electric wave receive-transmit system - Google Patents
FM reflector and FM electric wave receive-transmit system Download PDFInfo
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- CN204615812U CN204615812U CN201520269829.1U CN201520269829U CN204615812U CN 204615812 U CN204615812 U CN 204615812U CN 201520269829 U CN201520269829 U CN 201520269829U CN 204615812 U CN204615812 U CN 204615812U
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Abstract
A kind of FM reflector, comprise: wireless module, single-chip microcomputer, modulation module, output module and power module, the first end of described wireless module is electrically connected with the first end of described single-chip microcomputer, second end of described wireless module is electrically connected with the first end of described modulation module, second end of described modulation module is electrically connected with the second end of described single-chip microcomputer, 3rd end of described modulation module is electrically connected with the first end of described output module, described power module respectively with the 3rd end of described wireless module, 3rd end of single-chip microcomputer, 4th end of modulation module, second end electrical connection of output module.Adopt the utility model, sound source signal is sent in FM reflector by wireless module by user of service, avoids the technical problem because forming electromagnetic interference when use wireline equipment input sound source signal at the sound source input end of FM reflector.
Description
Technical field
The utility model relates to radio equipment field, particularly relates to a kind of FM reflector and FM electric wave receive-transmit system.
Background technology
FM reflector is exactly the miniature broadcasting station of personal, the wireless FM f-m stereo acoustical signal that the sound source signal in input FM reflector can be converted to high-fidelity is launched, but the sound source signal input mode of the FM reflector of present stage is wired input, the radio wave that in use wired input of FM reflector usually exports with FM reflector produces electromagnetic action, electromagnetic interference is formed at wired input of FM reflector, produce a large amount of disturbance currents and sound source signal together inputs in FM reflector through wired input, thus carry a large amount of interference signals in the radio wave that FM reflector is exported.
Utility model content
For solving the defect of existing FM reflector, the utility model provides a kind of FM reflector and FM electric wave receive-transmit system, the mode that can solve the input audio frequency of the FM reflector because of present stage is wired input, the radio wave that in use wired input of FM reflector usually exports with FM reflector produces electromagnetic action, electromagnetic interference is formed at wired input of FM reflector, produce a large amount of disturbance currents and sound source signal together inputs in FM reflector through wired input, thus in the radio wave that FM reflector is exported, carry the problem of a large amount of interference signals.
For solving the problems of the technologies described above, the utility model provides a kind of FM reflector, comprise: wireless module, single-chip microcomputer, modulation module, output module and power module, the first end of described wireless module is electrically connected with the first end of described single-chip microcomputer, second end of described wireless module is electrically connected with the first end of described modulation module, second end of described modulation module is electrically connected with the second end of described single-chip microcomputer, 3rd end of described modulation module is electrically connected with the first end of described output module, described power module respectively with the 3rd end of described wireless module, 3rd end of single-chip microcomputer, 4th end of modulation module, output module second end is electrically connected.
Further, described wireless module comprises: bluetooth submodule and or WiFi submodule.
Further, described modulation module comprises: filter circuit, and described filter circuit is electrically connected with the second end of described wireless module through the first end of described modulation module.
Further, described output module comprises: signal amplification circuit, and described signal amplification circuit is electrically connected with the 3rd end of described modulation module through the first end of described output module.
Further, described FM reflector also comprises: audio input interface, the first end of described audio input interface is electrically connected with the five terminal of described modulation module, second end of described audio input interface is electrically connected with the 4th end of described single-chip microcomputer, and the 3rd end of described audio input interface is electrically connected with described power module.
Further, described audio input interface comprises: microphone input interface, SD input interface, USB input interface.
Further, described FM reflector also comprises: human-computer interaction module, and the first end of described human-computer interaction module is electrically connected with the five terminal of described single-chip microcomputer, and the second end of described human-computer interaction module is electrically connected with described power module.
Further, described human-computer interaction module comprises: display screen and button.
The utility model also provides a kind of FM electric wave receive-transmit system, comprises above-mentioned FM reflector and also comprises FM receiver, the 3rd end wireless connections of output module in described FM receiver and FM reflector.
Employing the beneficial effects of the utility model are:
A kind of FM reflector that the utility model provides and FM electric wave receive-transmit system, FM reflector comprises wireless module, FM reflector receives sound source signal by wireless module, without the need to using wireline equipment, thus the sound source input end formation electromagnetic interference avoided at FM reflector, carry the technical problem of a large amount of interference signals in the radio wave that FM reflector is exported.
Accompanying drawing explanation
Fig. 1 is the FM emitter structures schematic diagram of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, clear, complete explanation is carried out to the utility model.
As shown in Figure 1, the utility model provides a kind of FM reflector, comprise: wireless module 1, single-chip microcomputer 2, modulation module 3, output module 4, power module 5, audio input interface 6 and human-computer interaction module 7, the first end of wireless module 1 is electrically connected with the first end of single-chip microcomputer 2, user of service controls unlatching or the closedown of wireless module 1 by single-chip microcomputer 2, second end of wireless module 1 is electrically connected with the first end of modulation module 3, sound source signal for being obtained by wireless module 1 is sent in modulation module 3, the bass source signal that modulation module 3 pairs of wireless modules 1 obtain is modulated into high-frequency signal and sends, second end of modulation module 3 is electrically connected with the second end of single-chip microcomputer 2, user of service arranges by single-chip microcomputer 2 high-frequency signal that bass source signal to be modulated to the arbitrary frequency in 10MHz ~ 200MHZ by modulation module 3, and three end of the high-frequency electric wave after modulation through modulation module 3 is sent, 3rd end of modulation module 3 is electrically connected with the first end of output module 4, the high-frequency signal that output module 4 sends for receiving modulation module 3, and export in radio wave mode, wherein, modulation module 3 comprises: filter circuit, filter circuit is first electrically connected with the second end of wireless module 1, the sound source signal sent for the second end receiving wireless module 1 also carries out filtering process, filter out noise signal, again the sound source signal after filtering process is modulated afterwards, wherein, output module 4 comprises: signal amplification circuit, signal amplification circuit is first electrically connected with the 3rd end of modulation module 3, high-frequency signal for being sent by modulation module 3 carries out amplification process, export amplifying the high-frequency signal after processing in radio wave mode more afterwards.
The first end of audio input interface 6 is electrically connected with the five terminal of modulation module 3, sound source signal is sent in FM reflector by audio input interface 6 by user of service in a wired fashion, wherein, audio input interface 6 comprises: microphone input interface, SD input interface, USB input interface, simultaneously, second end of audio input interface 6 is electrically connected with the 4th end of single-chip microcomputer 2, select to open or close audio input interface 6 by single-chip microcomputer 2, in other embodiments, when audio input interface 6 has sound source signal to input, and wireless module 1 is when inputting without sound source signal, single-chip microcomputer 2 automatically controls audio input interface 6 and opens, and control wireless module 1 and close, when wireless module 1 has sound source signal to input, and audio input interface 6 is when inputting without sound source signal, single-chip microcomputer 2 automatically controls wireless module 1 and opens, and control audio input interface 6 and close.
The first end of human-computer interaction module 7 is electrically connected with the five terminal of single-chip microcomputer 2, for realizing the human-computer interaction function of user of service and FM reflector, support that operating personnel realize unlatching to wireless module 1, audio input interface 6 or closedown by human-computer interaction module 7, and support that operating personnel arrange the high-frequency signal that bass source signal is modulated to the arbitrary frequency in 10MHz ~ 200MHZ by modulation module 3, wherein, human-computer interaction module 7 comprises keyboard and display screen.
Power module is electrically connected with the second end of the 4th end of the 3rd end of the 3rd end of wireless module 1, single-chip microcomputer 2, modulation module 3, the second end of output module 4, the 3rd end of audio input interface 6 and human-computer interaction module 7 respectively, for providing work electricity, wherein power module is powered battery module or external supply module.
In the present embodiment, wireless module 1 comprises: bluetooth submodule and WiFi submodule, and in other embodiments, wireless module 1 is: bluetooth submodule or WiFi submodule.
The present embodiment also provides a kind of FM electric wave receive-transmit system, comprise above-mentioned FM reflector and the FM receiver corresponding with FM reflector, FM receiver can regulate arbitrary frequency in 10MHz ~ 200MHZ, for receiving the radio wave that FM reflector exports, and the radio wave received is carried out to demodulation and finally becomes audio signal, wherein, FM receiver can be multiple.
The FM reflector provided because of the present embodiment comprises wireless module 1, wherein wireless module 1 comprises bluetooth submodule and WiFi submodule, sound source signal is sent in FM reflector by bluetooth or WIFI mode by user of service, avoid and form electromagnetic interference because using when wireline equipment input sound source signal at the sound source input end of FM reflector, in the radio wave that FM reflector is exported, carry the technical problem of a large amount of interference signals.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solutions of the utility model; therefore; every content not departing from technical solutions of the utility model; the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all belong to the protection range of technical solutions of the utility model.
Claims (9)
1. a FM reflector, it is characterized in that, comprise: wireless module, single-chip microcomputer, modulation module, output module and power module, the first end of described wireless module is electrically connected with the first end of described single-chip microcomputer, and the second end of described wireless module is electrically connected with the first end of described modulation module;
Second end of described modulation module is electrically connected with the second end of described single-chip microcomputer, and the 3rd end of described modulation module is electrically connected with the first end of described output module;
Described power module is electrically connected with the 3rd end of described wireless module, the 3rd end of single-chip microcomputer, the 4th end of modulation module, the second end of output module respectively.
2. FM reflector as claimed in claim 1, it is characterized in that, described wireless module comprises: bluetooth submodule and or WiFi submodule.
3. FM reflector as claimed in claim 1, it is characterized in that, described modulation module comprises: filter circuit, and described filter circuit is electrically connected with the second end of described wireless module through the first end of described modulation module.
4. FM reflector as claimed in claim 1, it is characterized in that, described output module comprises: signal amplification circuit, and described signal amplification circuit is electrically connected with the 3rd end of described modulation module through the first end of described output module.
5. FM reflector as claimed in claim 1, it is characterized in that, described FM reflector also comprises: audio input interface, the first end of described audio input interface is electrically connected with the five terminal of described modulation module, second end of described audio input interface is electrically connected with the 4th end of described single-chip microcomputer, and the 3rd end of described audio input interface is electrically connected with described power module.
6. FM reflector as claimed in claim 5, it is characterized in that, described audio input interface comprises: microphone input interface, SD input interface, USB input interface.
7. FM reflector as claimed in claim 1, it is characterized in that, described FM reflector also comprises: human-computer interaction module, and the first end of described human-computer interaction module is electrically connected with the five terminal of described single-chip microcomputer, and the second end of described human-computer interaction module is electrically connected with described power module.
8. FM reflector as claimed in claim 7, it is characterized in that, described human-computer interaction module comprises: display screen and button.
9. a FM electric wave receive-transmit system, is characterized in that, comprises the FM reflector described in any one of claim 1 to 7 and FM receiver, the 3rd end wireless connections of output module in described FM receiver and FM reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269829.1U CN204615812U (en) | 2015-04-29 | 2015-04-29 | FM reflector and FM electric wave receive-transmit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269829.1U CN204615812U (en) | 2015-04-29 | 2015-04-29 | FM reflector and FM electric wave receive-transmit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204615812U true CN204615812U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520269829.1U Expired - Fee Related CN204615812U (en) | 2015-04-29 | 2015-04-29 | FM reflector and FM electric wave receive-transmit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204615812U (en) |
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2015
- 2015-04-29 CN CN201520269829.1U patent/CN204615812U/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 | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160721 Address after: 510000, 4B20, building four, Lai Yuan Road, 3, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Nile Electronic Technology Co., Ltd. Address before: 422200, No. 3, No. 5, Shimen village, Shimen Township, Longhui County, Shaoyang, Hunan Patentee before: Luo Lijun |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20170429 |