CN204046616U - A kind of intelligent jamproof system - Google Patents
A kind of intelligent jamproof system Download PDFInfo
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- CN204046616U CN204046616U CN201420333663.0U CN201420333663U CN204046616U CN 204046616 U CN204046616 U CN 204046616U CN 201420333663 U CN201420333663 U CN 201420333663U CN 204046616 U CN204046616 U CN 204046616U
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Abstract
The utility model discloses a kind of intelligent jamproof system.Intelligence jamproof system comprises intelligent anti-interference terminal and audio frequency apparatus, audio frequency apparatus is connected with the anti-interference terminal of intelligence, the anti-interference terminal of intelligence comprises the detector, main control singlechip and the two-way selector that connect successively, the impedance relatively that detector exists for detecting audio frequency apparatus, adopt reference voltage to be corresponding magnitude of voltage by the impedance conversion detected, and magnitude of voltage is outputted to main control singlechip; Main control singlechip is used for magnitude of voltage to be converted into digital signal, and judge that audio frequency apparatus is that common mode exports or differential mode exports, two-way selector is opened according to judged result, and export corresponding control command to two-way selector, two-way selector is used for starting corresponding noise suicide circuit according to the control command of main control singlechip input and carries out noise reduction and denoising Processing to audio signal, thus substantially increases tonequality.
Description
Technical field
The utility model relates to technical field of electronic products, particularly relates to a kind of intelligent jamproof system.
Background technology
In the modern life, electronic product intellectuality has become the main trend of industry development, the end products such as the networking of smart mobile phone, Smart Home, panel computer, car, intelligence wearing get more and more, use more and more frequent, user is usually by using the Bluetooth function in intelligent terminal to carry out mutual transmission data, or the broadcasting being controlled the song of bluetooth equipment by the standard agreement that bluetooth provides is suspended and changes song, or is connected by cable.And due to the mutual crosstalk of electrical network, wireless network and various smart electronics product, produce audio disturbances.
In the prior art, because different electronic products is different according to self character, the audio frequency way of output of employing is roughly divided into differential mode output and exports with common mode, and grounded part is also divided into floating ground, single-point grounding, multipoint earthing, mixing ground connection.After the voice frequency terminal of prior art is connected with the said equipment, because the earth point of input adopts fixing single-point grounding, cause the electronic equipment that input impedance cannot be compatible all, when these equipment are applied to identical electrical network, will High-frequency Interference be produced.The demand of people to smart electronics product cannot be met.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of intelligent jamproof system, be intended to solve existing voice frequency terminal and electronic equipment adopts fixing single-point grounding due to the earth point of input, cause input impedance cannot compatible all electronic equipments and there is the technical problem of High-frequency Interference.
The technical scheme that the utility model provides is: a kind of intelligent jamproof system, comprise intelligent anti-interference terminal and audio frequency apparatus, described audio frequency apparatus is connected with the anti-interference terminal of intelligence, the anti-interference terminal of described intelligence comprises the detector, main control singlechip and the two-way selector that connect successively, described detector detects the impedance relatively that audio frequency apparatus exists, adopt reference voltage to be corresponding magnitude of voltage by the impedance conversion detected, and magnitude of voltage is outputted to main control singlechip; Magnitude of voltage is converted into digital signal by described main control singlechip, and judge that audio frequency apparatus is that common mode exports or differential mode exports, two-way selector is opened according to judged result, and exporting corresponding control command to two-way selector, described two-way selector starts corresponding noise suicide circuit according to the control command that main control singlechip inputs and carries out noise reduction and denoising Processing to audio signal.
The technical solution of the utility model also comprises: the anti-interference terminal of described intelligence also comprises signal amplifier, described signal amplifier is connected with main control singlechip and two-way selector respectively, described signal amplifier to the laggard line output of audio signal pre-amplification after denoising Processing, and enters battery saving mode according to the power-saving control instruction that main control singlechip sends.
The technical solution of the utility model also comprises: the anti-interference terminal of described intelligence also comprises noise isolation unit, described noise isolation unit is connected with detector and two-way selector respectively, the audio signal that described detector audio reception equipment exports, and export the audio signal received to noise isolation unit, described noise isolation unit receives the audio signal of detector input, the input of audio frequency apparatus and the anti-interference terminal of intelligence are carried out isolation processing, and audio signal is outputted to the process of two-way selector Awaiting Triage.
The technical solution of the utility model also comprises: the anti-interference terminal of described intelligence also comprises efficiency detector, described efficiency detector is connected with two-way selector and main control singlechip respectively, described efficiency detector amplifies the audio signal after denoising Processing and exports main control singlechip to after changing into control signal, described main control singlechip judges whether to enter battery saving mode according to energy efficiency state, and sends power-saving control instruction according to judged result to described signal amplifier.
The technical solution of the utility model also comprises: described two-way selector also comprises signal storage, common-mode noise eliminates circuit and differential mode noise eliminates circuit, described signal storage is eliminated circuit and differential mode noise respectively and is eliminated circuit and be connected with common-mode noise, described common-mode noise is eliminated circuit and is connected with efficiency detector and signal amplifier respectively with differential mode noise elimination circuit
The audio signal of noise isolation unit output is stored by described signal storage;
Described common-mode noise is eliminated circuit and is utilized diode unilateal conduction characteristic and directivity impedance operator and electric capacity to form filter circuit when receiving common-mode noise and eliminating control command, noise reduction and stress release treatment process are carried out to the audio signal in signal storage, and the audio signal after denoising Processing is outputted to efficiency detector and signal amplifier respectively;
Described differential mode noise is eliminated circuit and is utilized when receiving differential mode noise and eliminating control command differential mode circuit to be suppressed by the noise that the electromagnetic disturbance of electrical network generation in the audio signal in signal storage is propagated along power line, by comparing calculating, obtain noise voltage value, Ripple Suppression, amplifier common mode inhibit feature is utilized to abate the noise, again through filter by unwanted signal filtering, and the audio signal after denoising Processing is outputted to efficiency detector and signal amplifier respectively.
The technical solution of the utility model also comprises: the anti-interference terminal of described intelligence comprises audio amplifier, intelligence dresses product or wireless sound box, and described audio frequency apparatus comprises that sound equipment, home appliance are interconnected, communication apparatus, mobile phone, panel computer, PC, desk lamp or audio amplifier.
The technical solution of the utility model tool has the following advantages or beneficial effect: the intelligent jamproof system of the utility model embodiment is by detecting the earth impedance size of audio frequency apparatus, the earthing mode of audio frequency apparatus is judged according to impedance, according to earthing mode start different noise suicide circuits to audio signal abate the noise process after export again, the interference that the electrical potential difference eliminating the different earth point of traditional grid equipment causes, eliminate as different acoustic, home appliance is interconnected, communication apparatus, mobile phone, the devices interconnect equipment of wireless network, Apple Computers are connected with universal PC is interconnected the noise jamming caused, thus make equipment obtain the signal of real low distortion, substantially increase tonequality, and be conducive to saving energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the intelligent jamproof system of the utility model embodiment.
Embodiment
The utility model provides a kind of intelligent jamproof system, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Referring to Fig. 1, is the structural representation of the intelligent jamproof system of the utility model embodiment.The intelligent jamproof system of the utility model embodiment comprises intelligent anti-interference terminal 100 and audio frequency apparatus 200, audio frequency apparatus 200 is connected with the anti-interference terminal 100 of intelligence, the anti-interference terminal 100 of intelligence specifically comprises detector 101, noise isolation unit 102, main control singlechip 103, two-way selector 104, efficiency detector 105 and signal amplifier 106, wherein
Detector 101 is connected with noise isolation unit 102 and main control singlechip 103 respectively, for the audio signal that audio reception equipment 200 exports, and the audio signal received is exported to the process of noise isolation unit 102 products for further; Meanwhile, detector 101 detects the impedance of relatively (abbreviation between phase line and ground wire) that audio frequency apparatus 200 exists, and adopts reference voltage to be corresponding magnitude of voltage by the impedance conversion detected, and magnitude of voltage is outputted to main control singlechip 103;
Noise isolation unit 102 is connected with two-way selector 104, for receiving the audio signal that detector 101 inputs, and the input of audio frequency apparatus 200 and the anti-interference terminal 100 of intelligence are carried out isolation processing, avoid the mutual crosstalk that the anti-matching problem of the master between two connection devices causes, and audio signal is outputted to two-way selector 104, Awaiting Triage process;
Main control singlechip 103 is connected with two-way selector 104 and signal amplifier 106 respectively, for receiving the magnitude of voltage that detector 101 exports, utilize inner ADC (many A/D converters) that magnitude of voltage is converted into digital signal and after accurate Calculation, judge that audio frequency apparatus 200 is that common mode exports or differential mode exports, open two-way selector 104 according to judged result, and export corresponding control command to two-way selector 104; Wherein, audio frequency apparatus 200 is that common mode exports or the judgment mode that differential mode exports is: owing to there is different impedances from ground connection with floating, if reference resistance now is over the ground very low, can judge that audio frequency apparatus 200 is for ground connection, be common mode and export; In like manner, if impedance now is over the ground very large, can judge that audio frequency apparatus 200 is for floating ground, is differential mode and exports; The control command that main control singlechip 103 exports is specially common-mode noise and eliminates control command and differential mode noise elimination control command;
The control command that two-way selector 104 exports for the audio signal and main control singlechip 103 receiving noise isolation unit 102 output, and the noise suicide circuit corresponding according to control command startup carries out corresponding noise reduction and denoising Processing to audio signal; Particularly, two-way selector 104 comprises signal storage 107, common-mode noise eliminates circuit 108 and differential mode noise eliminates circuit 109, signal storage 107 is eliminated circuit 108 and differential mode noise respectively and is eliminated circuit 109 and be connected with common-mode noise, common-mode noise is eliminated circuit 108 and is connected with efficiency detector 105 and signal amplifier 106 respectively with differential mode noise elimination circuit 109
The audio signal that signal storage 107 exports for storing noise isolation unit 102;
Common-mode noise eliminates circuit 108 for utilizing diode unilateal conduction characteristic and directivity impedance operator and electric capacity to form filter circuit when receiving common-mode noise and eliminating control command, noise reduction and stress release treatment process are carried out to the audio signal in signal storage 107, and the audio signal after denoising Processing is outputted to efficiency detector 105 and signal amplifier 106 respectively;
Differential mode noise eliminates the noise suppression that circuit 109 is propagated along power line for the electromagnetic disturbance utilizing differential mode circuit to be produced by electrical network in the audio signal in signal storage 107 when receiving differential mode noise and eliminating control command, by comparing calculating, obtain noise voltage value, Ripple Suppression, amplifier common mode inhibit feature is utilized to abate the noise, again through filter by unwanted signal filtering, and the audio signal after denoising Processing is outputted to efficiency detector 105 and signal amplifier 106 respectively; Wherein, the noise-cancellation parameters that common-mode noise eliminates circuit 108 and differential mode noise elimination circuit 109 can adjust according to practical application, to reach best matching effect.
Efficiency detector 105 is connected with main control singlechip 103, for common-mode noise is eliminated circuit 108 and differential mode noise eliminate circuit 109 denoising Processing after audio signal amplify and export main control singlechip 103 to after changing into control signal, main control singlechip 103 judges whether to enter battery saving mode according to energy efficiency state, and sends power-saving control instruction according to judged result to signal amplifier;
Signal amplifier 106 for common-mode noise being eliminated the laggard line output of audio signal pre-amplification after circuit 108 and differential mode noise elimination circuit 109 denoising Processing, and enters battery saving mode according to the power-saving control instruction that main control singlechip sends.
In the utility model embodiment, the anti-interference terminal 100 of intelligence can be audio amplifier, intelligence dresses product or wireless sound box etc., and the type of audio frequency apparatus 200 comprises that sound equipment, home appliance are interconnected, communication apparatus, mobile phone, panel computer, PC, desk lamp or audio amplifier etc.
The embodiment provided in the utility model patent, all application of the present utility model are incorporated in an application in the anti-interference terminal of intelligence, namely application the utility model patented technology terminal equipment is only needed, no matter connected equipment is common mode exports or differential mode output, can not produce noise when other audio-frequence player devices connected can be made to output to this intelligent terminal.Thus simplify complicated de-noising design of the prior art, substantially increase tonequality.
The intelligent jamproof system of the utility model embodiment is by detecting the earth impedance size of audio frequency apparatus, the earthing mode of audio frequency apparatus is judged according to impedance, according to earthing mode start different noise suicide circuits to audio signal abate the noise process after export again, the interference that the electrical potential difference eliminating the different earth point of traditional grid equipment causes, eliminate as different acoustic, home appliance is interconnected, communication apparatus, mobile phone, the devices interconnect equipment of wireless network, Apple Computers are connected with universal PC is interconnected the noise jamming caused, thus make equipment obtain the signal of real low distortion, substantially increase tonequality, and be conducive to saving energy consumption.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. an intelligent jamproof system, comprise intelligent anti-interference terminal and audio frequency apparatus, described audio frequency apparatus is connected with the anti-interference terminal of intelligence, it is characterized in that, the anti-interference terminal of described intelligence comprises the detector, main control singlechip and the two-way selector that connect successively, described detector detects the impedance relatively that audio frequency apparatus exists, and adopts reference voltage to be corresponding magnitude of voltage by the impedance conversion detected, and magnitude of voltage is outputted to main control singlechip; Magnitude of voltage is converted into digital signal by described main control singlechip, and judge that audio frequency apparatus is that common mode exports or differential mode exports, two-way selector is opened according to judged result, and exporting corresponding control command to two-way selector, described two-way selector starts corresponding noise suicide circuit according to the control command that main control singlechip inputs and carries out noise reduction and denoising Processing to audio signal.
2. intelligent jamproof system according to claim 1, it is characterized in that, the anti-interference terminal of described intelligence also comprises signal amplifier, described signal amplifier is connected with main control singlechip and two-way selector respectively, described signal amplifier to the laggard line output of audio signal pre-amplification after denoising Processing, and enters battery saving mode according to the power-saving control instruction that main control singlechip sends.
3. intelligent jamproof system according to claim 1, it is characterized in that, the anti-interference terminal of described intelligence also comprises noise isolation unit, described noise isolation unit is connected with detector and two-way selector respectively, the audio signal that described detector audio reception equipment exports, and export the audio signal received to noise isolation unit, described noise isolation unit receives the audio signal of detector input, the input of audio frequency apparatus and the anti-interference terminal of intelligence are carried out isolation processing, and audio signal is outputted to the process of two-way selector Awaiting Triage.
4. intelligent jamproof system according to claim 2, it is characterized in that, the anti-interference terminal of described intelligence also comprises efficiency detector, described efficiency detector is connected with two-way selector and main control singlechip respectively, described efficiency detector amplifies the audio signal after denoising Processing and exports main control singlechip to after changing into control signal, described main control singlechip judges whether to enter battery saving mode according to energy efficiency state, and sends power-saving control instruction according to judged result to described signal amplifier.
5. the intelligent jamproof system according to claim 1 or 2 or 3 or 4, it is characterized in that, described two-way selector also comprises signal storage, common-mode noise eliminates circuit and differential mode noise eliminates circuit, described signal storage is eliminated circuit and differential mode noise respectively and is eliminated circuit and be connected with common-mode noise, described common-mode noise is eliminated circuit and is connected with efficiency detector and signal amplifier respectively with differential mode noise elimination circuit
The audio signal of noise isolation unit output is stored by described signal storage;
Described common-mode noise is eliminated circuit and is utilized diode unilateal conduction characteristic and directivity impedance operator and electric capacity to form filter circuit when receiving common-mode noise and eliminating control command, noise reduction and stress release treatment process are carried out to the audio signal in signal storage, and the audio signal after denoising Processing is outputted to efficiency detector and signal amplifier respectively;
Described differential mode noise is eliminated circuit and is utilized when receiving differential mode noise and eliminating control command differential mode circuit to be suppressed by the noise that the electromagnetic disturbance of electrical network generation in the audio signal in signal storage is propagated along power line, by comparing calculating, obtain noise voltage value, Ripple Suppression, amplifier common mode inhibit feature is utilized to abate the noise, again through filter by unwanted signal filtering, and the audio signal after denoising Processing is outputted to efficiency detector and signal amplifier respectively.
6. intelligent jamproof system according to claim 1, it is characterized in that, the anti-interference terminal of described intelligence comprises audio amplifier, intelligence dresses product or wireless sound box, and described audio frequency apparatus comprises that sound equipment, home appliance are interconnected, communication apparatus, mobile phone, panel computer, PC, desk lamp or audio amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333663.0U CN204046616U (en) | 2014-06-20 | 2014-06-20 | A kind of intelligent jamproof system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333663.0U CN204046616U (en) | 2014-06-20 | 2014-06-20 | A kind of intelligent jamproof system |
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| Publication Number | Publication Date |
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| CN204046616U true CN204046616U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420333663.0U Withdrawn - After Issue CN204046616U (en) | 2014-06-20 | 2014-06-20 | A kind of intelligent jamproof system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207722A (en) * | 2014-06-20 | 2015-12-30 | 深圳市三诺数码影音有限公司 | Intelligent anti-interference system and anti-interference method thereof |
| CN107748512A (en) * | 2017-09-28 | 2018-03-02 | 深圳市行者机器人技术有限公司 | A kind of antidisturbance control system of biped robot |
-
2014
- 2014-06-20 CN CN201420333663.0U patent/CN204046616U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207722A (en) * | 2014-06-20 | 2015-12-30 | 深圳市三诺数码影音有限公司 | Intelligent anti-interference system and anti-interference method thereof |
| CN105207722B (en) * | 2014-06-20 | 2018-01-23 | 深圳市三诺声智联股份有限公司 | A kind of intelligent jamproof system and its anti-interference method |
| CN107748512A (en) * | 2017-09-28 | 2018-03-02 | 深圳市行者机器人技术有限公司 | A kind of antidisturbance control system of biped robot |
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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: 20151028 Address after: 518000 Sannuo wisdom building, 3012 Binhai Avenue, Shenzhen, Guangdong, Nanshan District Patentee after: Shenzhen Sannuo Digital Audio & Video Co., Ltd. Address before: Baoan District Songgang Tangxia street Shenzhen city Guangdong province 518000 Chung Hui Lu Lang community building D No. 8 Patentee before: SHENZHEN 3NOD DIGITAL TECHNOLOGY CO., LTD. Patentee before: Shenzhen 3nod Electronics Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Sannuo smart building 3012 No. 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets Binhai Avenue 21 floor Patentee after: Shenzhen 3Nod Acousticlink Co., Ltd. Address before: 518000 Sannuo wisdom building, 3012 Binhai Avenue, Shenzhen, Guangdong, Nanshan District Patentee before: Shenzhen Sannuo Digital Audio & Video Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141224 Effective date of abandoning: 20180123 |