CN109218954A - One kind being used for sound equipment sound film quality amount detection systems and method - Google Patents
One kind being used for sound equipment sound film quality amount detection systems and method Download PDFInfo
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- CN109218954A CN109218954A CN201810917663.8A CN201810917663A CN109218954A CN 109218954 A CN109218954 A CN 109218954A CN 201810917663 A CN201810917663 A CN 201810917663A CN 109218954 A CN109218954 A CN 109218954A
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- Prior art keywords
- sound film
- film quality
- data
- sound
- sound equipment
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses one kind to be used for sound equipment sound film quality of production detection system and method, including microprocessor unit, pressure sensing cell, display unit, signal conditioning unit, AD conversion unit, data storage cell.The present invention improves the accuracy and reliability of data acquisition using high-precision A/D sampling, realizes human-computer interaction using touch screen；Data transmission can be achieved, there are data to store analysis ability, and can classify according to testing result to sound film, to can ensure that the consistency of sound film amplitude in same group of loudspeaker of rear process.Appearance detection, the design of size detection, can more fully detect sound film, high degree of automation, and without human intervention, work efficiency is high.
Description
Technical field
The present invention relates to sound speaker quality testing fields, and in particular to one kind is used for sound equipment sound film quality amount detection systems
And method.
Background technique
Sound speaker generally includes sound film, voice coil and magnet, and sound film is the component part of speaker vibration system, is real
The important component of existing electroacoustic conversion.When tone currents flowing through voice coil, voice coil is generated corresponding anti-by the magnetic field force effect of magnet
Multiple movement, to drive sound film to generate piston type vibration, and then the air vibration around promotion generates sound.
The elasticity effect of sound film is caused conventionally, as the material and production technology by sound film are influenced in right face
Fruit, and sound quality is influenced to a certain extent, reduce the auditory effect when use of product.Sound film always has portion in batch production
Partial vibration of membrane amplitude has differences.Currently, the elastomeric check technique of traditional sound film is usually to use manually to have estimated
At, a large amount of manpower is needed, and working efficiency is low, cannot achieve precise measurement, automatic data display record, store, analyze etc.
Function.
Summary of the invention
The object of the invention is that design it is a kind of for sound equipment sound film quality amount detection systems and method, using high-precision A/
D sampling, improves the accuracy and reliability of data acquisition, realizes human-computer interaction using touch screen, it can be achieved that data transmission, is realized
Data store analytic function.
The present invention through the following technical solutions to achieve the above objectives:
One of technical solution is a kind of for sound equipment sound film quality amount detection systems, including microprocessor unit, pressure detecting
Unit, display unit, signal conditioning unit, AD conversion unit, data storage cell.
Further, the pressure sensing cell includes probe, pressure sensor.
Further, the signal condition amplifying device of the signal conditioning unit is specially INA128 chip.
Further, display unit includes resistance-type liquid crystal display, which is characterized in that supports key touch input and history note
Record inquiry.
Further, which is characterized in that the data storage cell realizes real-time data memory and analytic function.
Another technical solution of the present invention is a kind of for sound equipment sound film quality quantity measuring method characterized by comprising
Each module of system completes initialization, and pressure sensor carries out pressure detecting to sound film；
The data of acquisition are converted to analog voltage signal after amplification filtering, and high-precision A/D AD conversion unit will simulate
Voltage signal is converted into digital signal；
Data after conversion, which show after being handled by microprocessor unit and transmitted in display unit, carries out storage analysis.
Further, the system initialization includes I/O port initialization, liquid crystal display initialization.
Further, the microprocessor unit includes: to the data processing after conversion
Reading data and calculation processing are carried out, pressure value is quantized into；
It filters out virtual value to show in display unit, and prompts whether to be saved；If so, carrying out the preservation of data
And upload；If it is not, then directly being detected program again.
Further, the carry out system detects program again and specifically includes: after system generates detection prompt again, if choosing
It selects and is detected again, then enter system and complete the pressure detecting step after initialization；If selection is returned without detecting again
It returns and continues to generate detection prompt again.
Compared with prior art, the invention has the following beneficial effects:
1, it is sampled using high-precision A/D, improves the accuracy and reliability of data acquisition, man-machine friendship is realized using touch screen
Mutually.
2, data transmission can be achieved, there are data to store analysis ability, and can classify according to testing result to sound film,
To can ensure that the consistency of sound film amplitude in same group of loudspeaker of rear process.
3, data storage unit can also input the contrast design of appearance detection, size detection, can carry out more comprehensively to sound film
Detection, high degree of automation, and without human intervention, work efficiency is high.
4, software uses modularization programming, and functions are completed by corresponding subprogram, upgrades convenient for the later period of software
With test.The present invention can single machine independently measure, can also network on-line measurement.
Detailed description of the invention
Fig. 1 is detection system structure of the present invention；
Fig. 2 is detection method flow diagram.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Embodiment 1
Be used for sound equipment sound film quality amount detection systems as shown in Figure 1, a kind of, including microprocessor unit, pressure sensing cell,
Display unit, signal conditioning unit, AD conversion unit, data storage cell.The system with pressure sensor to sound film into
Row elasticity acquisition, is converted to analog voltage signal after amplification filtering, high-precision A/D conversion module converts analog voltage signal
At digital signal, then shows and transmit in LCD LCD MODULE after being handled by core controller and carry out storage analysis.
As shown in Fig. 2, a kind of be used for sound equipment sound film quality quantity measuring method characterized by comprising
Each module of system completes initialization, and pressure sensor carries out pressure detecting to sound film；
The data of acquisition are converted to analog voltage signal after amplification filtering, and high-precision A/D AD conversion unit will simulate
Voltage signal is converted into digital signal；
Data after conversion, which show after being handled by microprocessor unit and transmitted in display unit, carries out storage analysis.
Further, the system initialization includes I/O port initialization, liquid crystal display initialization.
Further, the microprocessor unit includes: to the data processing after conversion
Reading data and calculation processing are carried out, pressure value is quantized into；
It filters out virtual value to show in display unit, and prompts whether to be saved；If so, carrying out the preservation of data
And upload；If it is not, then directly being detected program again.
Further, the carry out system detects program again and specifically includes: after system generates detection prompt again, if choosing
It selects and is detected again, then enter system and complete the pressure detecting step after initialization；If selection is returned without detecting again
It returns and continues to generate detection prompt again.
Claims (9)
1. one kind is used for sound equipment sound film quality amount detection systems, including microprocessor unit, pressure sensing cell, display unit, letter
Number conditioning unit, AD conversion unit, data storage cell.
2. being used for sound equipment sound film quality amount detection systems according to claim 1, which is characterized in that the pressure sensing cell packet
Include probe, pressure sensor.
3. according to claim 1 or claim 2 be used for sound equipment sound film quality amount detection systems, which is characterized in that the signal condition list
The signal condition amplifying device of member is specially INA128 chip.
4. according to claim 1 or claim 2 be used for sound equipment sound film quality amount detection systems, display unit includes resistance-type liquid crystal display,
It is characterized in that, supporting key touch input and historical record inquiry.
5. according to claim 1 or claim 2 be used for sound equipment sound film quality amount detection systems, which is characterized in that the data storage is single
Member realizes real-time data memory and analytic function.
6. one kind is used for sound equipment sound film quality quantity measuring method characterized by comprising
Each module of system completes initialization, and pressure sensor carries out pressure detecting to sound film；
The data of acquisition are converted to analog voltage signal after amplification filtering, and high-precision A/D AD conversion unit is by analog voltage
Signal is converted into digital signal；
Data after conversion, which show after being handled by microprocessor unit and transmitted in display unit, carries out storage analysis.
7. being used for sound equipment sound film quality quantity measuring method according to claim 6, which is characterized in that the system initialization includes
I/O port initialization, liquid crystal display initialization.
8. being used for sound equipment sound film quality quantity measuring method according to claim 6, which is characterized in that the microprocessor unit pair
Data processing after conversion includes:
Reading data and calculation processing are carried out, pressure value is quantized into；
It filters out virtual value to show in display unit, and prompts whether to be saved；If so, carry out data preservation and on
It passes；If it is not, then directly being detected program again.
9. being used for sound equipment sound film quality quantity measuring method according to claim 8, which is characterized in that the carry out system is examined again
Ranging sequence specifically includes: after system generates detection prompt again, if selection is detected again, entering system and completes initialization
Pressure detecting step afterwards；If selection, without detecting again, return continues to generate detection prompt again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917663.8A CN109218954A (en) | 2018-08-13 | 2018-08-13 | One kind being used for sound equipment sound film quality amount detection systems and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917663.8A CN109218954A (en) | 2018-08-13 | 2018-08-13 | One kind being used for sound equipment sound film quality amount detection systems and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109218954A true CN109218954A (en) | 2019-01-15 |
Family
ID=64988348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810917663.8A Pending CN109218954A (en) | 2018-08-13 | 2018-08-13 | One kind being used for sound equipment sound film quality amount detection systems and method |
Country Status (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118678A (en) * | 2011-04-02 | 2011-07-06 | 嘉兴中科声学科技有限公司 | Method and system for measuring speaker parameters by using current sensor |
| CN204859541U (en) * | 2015-07-31 | 2015-12-09 | 歌尔声学股份有限公司 | Speaker and be used for vibrating diaphragm amplitude detecting element of speaker |
| CN106507262A (en) * | 2016-12-27 | 2017-03-15 | 深圳精拓创新科技有限公司 | A kind of diaphragm of loudspeaker tester with controlled excitation source |
| CN106878868A (en) * | 2017-03-30 | 2017-06-20 | 维沃移动通信有限公司 | A kind of control device of loudspeaker, method and mobile terminal |
| CN207235118U (en) * | 2017-09-30 | 2018-04-13 | 东莞涌韵音膜有限公司 | The full-automatic multinomial on-line measuring device of sound film |
| CN108040316A (en) * | 2017-11-24 | 2018-05-15 | 维沃移动通信有限公司 | A kind of amplitude detection method and mobile terminal |
| CN207491185U (en) * | 2017-10-19 | 2018-06-12 | 江苏裕成电子有限公司 | Intelligent power output amplification component |
-
2018
- 2018-08-13 CN CN201810917663.8A patent/CN109218954A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118678A (en) * | 2011-04-02 | 2011-07-06 | 嘉兴中科声学科技有限公司 | Method and system for measuring speaker parameters by using current sensor |
| CN204859541U (en) * | 2015-07-31 | 2015-12-09 | 歌尔声学股份有限公司 | Speaker and be used for vibrating diaphragm amplitude detecting element of speaker |
| CN106507262A (en) * | 2016-12-27 | 2017-03-15 | 深圳精拓创新科技有限公司 | A kind of diaphragm of loudspeaker tester with controlled excitation source |
| CN106878868A (en) * | 2017-03-30 | 2017-06-20 | 维沃移动通信有限公司 | A kind of control device of loudspeaker, method and mobile terminal |
| CN207235118U (en) * | 2017-09-30 | 2018-04-13 | 东莞涌韵音膜有限公司 | The full-automatic multinomial on-line measuring device of sound film |
| CN207491185U (en) * | 2017-10-19 | 2018-06-12 | 江苏裕成电子有限公司 | Intelligent power output amplification component |
| CN108040316A (en) * | 2017-11-24 | 2018-05-15 | 维沃移动通信有限公司 | A kind of amplitude detection method and mobile terminal |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
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| RJ01 | Rejection of invention patent application after publication |