CN104754094A - Mobile terminal motor testing method and system - Google Patents
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Abstract
The invention provides a mobile terminal motor testing method and system. The method comprises the following steps: configuring a driving signal with a pre-set frequency; driving a motor of a mobile terminal through a driving signal by combining the driving of a motor driving circuit of the mobile terminal; recording a voice frequency caused by the fact the motor is driven to generate vibration through the mobile terminal to obtain a recording signal; analyzing whether the motor of the mobile terminal meets a pre-set vibration condition or not according to the recording signal; if so, determining that the motor of the mobile terminal is normal; and if not, determining that the motor of the mobile terminal is abnormal. By the aid of the mobile terminal motor testing method, an automatic test of the motor of the mobile terminal can be realized and the vibration strength can be quantified; manual intervention is not needed and the testing cost can be reduced.
Description
Technical field
The present invention relates to mobile terminal test technical field, particularly relate to a kind of mobile terminal motor detecting method and system.
Background technology
Along with the development of mobile terminal technology, the mobile terminals such as mobile phone also become more and more universal, and the requirement of people to the performance of mobile terminal is also more and more higher.But having certain fraction defective for various product, certain mobile terminal is no exception.For this reason, to the performance test of mobile terminal be generally to mobile terminal must through test process, and this test process also generally comprises the vibration test of the motor to mobile terminal.
Usual production line is the vibrations by manual testing's motor to the test mode of the motor of mobile terminal, but due to needs manpower intervention, testing cost is higher, and vibrations power cannot quantize.
Summary of the invention
The object of the present invention is to provide a kind of mobile terminal motor detecting method and system, it can realize the automatic test of mobile terminal motor and the quantification to vibrations power, and it is without the need to manual intervention, can reduce testing cost.
Object of the present invention is achieved through the following technical solutions:
A kind of mobile terminal motor detecting method, comprises the steps:
The drive singal of configuration preset frequency, drives the motor of described mobile terminal by described drive singal and in conjunction with the motor drive circuit of mobile terminal;
By motor described in the microphone records of described mobile terminal by driven rear produce vibrations time audio frequency obtain recorded audio signals;
Whether the motor analyzing described mobile terminal according to described recording signal meets the vibrations condition preset;
If meet, then determine that the motor of described mobile terminal is normal, if do not meet, then determine that the motor of described mobile terminal is abnormal.
A kind of mobile terminal motor detecting system, comprising:
Driver module, for configuring the drive singal of preset frequency, drives the motor of described mobile terminal by drive singal and in conjunction with the motor drive circuit of mobile terminal;
Record module, driven the rear audio frequency produced when shaking to obtain recorded audio signals for motor described in the microphone records by described mobile terminal;
Whether analysis module, meet the vibrations condition preset for the motor analyzing described mobile terminal according to described recording signal;
Processing module, during for being the satisfied vibrations condition preset at the analysis result of described analysis module, determining that the motor of described mobile terminal is normal, is when not meeting default vibrations condition in the result of determination of described analysis module, determines that the motor of described mobile terminal is abnormal.
According to the scheme of the invention described above, it is the drive singal of configuration preset frequency, the motor of described mobile terminal is driven by this drive singal and in conjunction with the motor drive circuit of mobile terminal, by motor described in the microphone records of described mobile terminal by driven rear produce vibrations time audio frequency obtain recorded audio signals, whether the motor analyzing described mobile terminal according to described recording signal meets the vibrations condition preset, if meet, then determine that the motor of described mobile terminal is normal, if do not meet, then determine that the motor of described mobile terminal is abnormal, owing to testing the motor of mobile terminal automatically, and without the need to manual intervention, save testing cost, and due to the present invention program realization by be the motor drive circuit of mobile terminal itself, microphone, and without the need to other additional circuit, make test simple more flexibly, simultaneously, can based on the quantification of analysis realization to motor power of described recording signal.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of mobile terminal motor detecting embodiment of the method for the present invention;
Fig. 2 analyzes mode that whether motor the meet vibrations condition refinement flow chart wherein in an embodiment;
Fig. 3 analyzes mode that whether motor the meet vibrations condition refinement flow chart wherein in another embodiment;
Fig. 4 is the refinement flow chart of mode wherein in an embodiment determining threshold value;
Fig. 5 is the structural representation of an embodiment of mobile terminal motor detecting system of the present invention;
Fig. 6 is analysis module in Fig. 5 refined structure figure wherein in an embodiment;
Fig. 7 is analysis module in Fig. 5 refined structure figure wherein in another embodiment;
Fig. 8 is the structural representation of another embodiment of mobile terminal motor detecting system of the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that embodiment described herein only in order to explain the present invention, do not limit protection scope of the present invention.
In the following description, the embodiment first for mobile terminal motor detecting method of the present invention is described, then is described each embodiment of mobile terminal motor detecting system of the present invention.
Shown in Figure 1, be the schematic flow sheet of mobile terminal motor detecting embodiment of the method for the present invention.As shown in Figure 1, the mobile terminal motor detecting method in the present embodiment comprises the steps:
Step S101: the drive singal of configuration preset frequency, drives the motor of described mobile terminal, enter step S102 by described drive singal and in conjunction with the motor drive circuit of mobile terminal;
The size of the preset frequency in the present embodiment can set according to actual conditions;
Drive singal is input to the motor drive circuit of mobile terminal as input signal, driven the motor vibration of mobile terminal by this motor drive circuit, then this motor shakes with preset frequency;
Step S102: obtained recorded audio signals by the motor of mobile terminal described in the microphone records of described mobile terminal by the sound after driving, enter step S103;
When the motor of mobile terminal shakes with preset frequency, PCB (Printed Circuit Board can be passed to by mobile terminal internal solids, printed circuit board) microphone on plate, the sound of motor vibration can be recorded when recording opened by microphone, stop recording after recording certain hour, obtain recorded audio signals, the form of this recorded audio signals is generally PCM (Pulse-code modulation, i.e. pulse code modulation) form;
Step S103: whether the motor analyzing described mobile terminal according to described recording signal meets the vibrations condition preset, if meet, then enters step S104, if do not meet, then enters step S105;
Whether can normal vibration and the information such as vibrations are strong and weak according to the motor that can obtain mobile terminal to the analysis result of recording signal, this is because, known by reality test, recording while the motor of mobile terminal shakes with preset frequency, the noise of the recorded audio signals obtained is very large, and Frequency spectrum ratio is comparatively determined, simultaneously, for the normal mobile terminal of motor, in the frequency spectrum of its correspondence, the maximum Frequency point of level should be consistent with preset frequency; Such as, be 250Hz for preset frequency, the maximum Frequency point of the loyal level of recorded audio signals then corresponding to the normal mobile terminal of motor is also 250Hz, therefore, when the maximum Frequency point of signal level in the frequency spectrum obtained based on recorded audio signals and preset frequency inconsistent time, then can judge that corresponding motor can not normal vibration, that is, corresponding motor itself is defective in quality, the vibrations simultaneously can also passing through the motor of the level value determination mobile terminal of the Frequency point that signal level is maximum in frequency spectrum are strong and weak, achieve the quantification strong and weak to vibrations;
The vibrations condition that can set in the present embodiment is needed according to the test of reality, can normal vibration if testing requirement is requirement motor, then needing it to meet can the condition (being referred to as motor normal vibration condition in the scheme of following embodiment) of normal vibration, if testing requirement is the degree that the shockproofness of requirement motor reaches certain, then need it to meet condition (being referred to as shockproofness condition in the scheme of following embodiment) that shockproofness reaches the threshold value of setting, if testing requirement had not only required that motor can normal vibration but also require the degree that the shockproofness of motor reaches certain, it is then needed not only to meet motor normal vibration condition but also meet shockproofness condition,
In in an embodiment, above-mentioned vibrations condition can comprise motor normal vibration condition, and as shown in Figure 2, the step whether described motor analyzing described mobile terminal according to described recording signal meets the vibrations condition preset can comprise the steps:
Step S201: Fourier transform is carried out to described recorded audio signals and obtains frequency signal, enter step S202;
Step S202: obtain the maximum Frequency point of level value according to described frequency signal, enter step S203;
The level value of each Frequency point can be obtained by analysis frequency signal, the level value of more each Frequency point, the Frequency point that level value is maximum can be obtained;
Step S203: whether decision level is worth maximum Frequency point consistent with described preset frequency, if unanimously, then enters step S204, if inconsistent, then enters step S205;
Step S204: determine that the motor of described mobile terminal meets described motor normal vibration condition;
If vibrations condition only comprises motor normal vibration condition, then the motor of mobile terminal meets the motor that motor normal vibration condition is equal to mobile terminal and meets vibrations condition;
Step S205: determine that the motor of described mobile terminal does not meet described motor normal vibration condition;
If vibrations condition comprises motor normal vibration condition, then the motor of mobile terminal does not meet the motor that motor normal vibration condition is equal to mobile terminal and does not meet vibrations condition;
In in an embodiment, above-mentioned vibrations condition can comprise shockproofness condition, as shown in Figure 3, describedly analyzes according to described recording signal the step whether described motor meet the vibrations condition preset and can comprise the steps:
Step S301: Fourier transform is carried out to described recorded audio signals and obtains frequency signal, enter step S302;
Step S302: obtain the maximum Frequency point of level value according to described frequency signal, and determine the level value of the Frequency point that level value is maximum, enter step S303;
Step S303: judge that the level value of the Frequency point that described level value is maximum is whether higher than the threshold value preset, if higher than, then enter step S304, if not higher than, then enter step S305;
Step S304: determine that the motor of described mobile terminal meets described shockproofness condition;
If vibrations condition only comprises shockproofness condition, then the motor of mobile terminal meets the motor that shockproofness condition is equal to mobile terminal and meets vibrations condition;
Step S305: determine that the motor of described mobile terminal does not meet described shockproofness condition;
If vibrations condition comprises shockproofness condition, then the motor of mobile terminal does not meet the motor that shockproofness condition is equal to mobile terminal and does not meet vibrations condition;
Wherein, the threshold value in above-described embodiment can set according to actual conditions, and such as, the recorded audio signals according to the normal mobile terminal of motor is determined, particularly, wherein in an embodiment, determines that the mode of threshold value can comprise following step:
Step S401: the motor drive circuit also combined with reference to mobile terminal by described drive singal drives the described motor with reference to mobile terminal, wherein, the motor of described reference mobile terminal is normal, enters step S402;
Step S402: driven the rear audio frequency produced when shaking to obtain reference signal by the motor of the described reference of the microphone records with reference to mobile terminal mobile terminal, enter step S403;
Step S403: Fourier transform is carried out to described reference signal and obtains reference frequency signal, enter step S404;
Step S404: obtain the maximum Frequency point of level value according to described reference frequency signal, and determine the reference level value of this Frequency point, enter step S405;
Step S405: obtain described threshold value according to described reference level value;
Threshold value can get a certain value bigger or more smaller than reference level value as required;
The determination mode of the reference level value in the present embodiment is similar with the determination mode of the as above level value of embodiment, does not repeat them here;
Step S104: determine that the motor of described mobile terminal is normal;
Step S105: determine that the motor of described mobile terminal is abnormal.
According to the scheme of above-described embodiment, it is the drive singal of configuration preset frequency, the motor of described mobile terminal is driven by this drive singal and in conjunction with the motor drive circuit of mobile terminal, by motor described in the microphone records of described mobile terminal by driven rear produce vibrations time audio frequency obtain recorded audio signals, whether the motor analyzing described mobile terminal according to described recording signal meets the vibrations condition preset, if meet, then determine that the motor of described mobile terminal is normal, if do not meet, then determine that the motor of described mobile terminal is abnormal, owing to testing the motor of mobile terminal automatically, and without the need to manual intervention, save testing cost, and due to the present invention program realization by be the motor drive circuit of mobile terminal itself, microphone, and without the need to other additional circuit, make test simple more flexibly, simultaneously, can based on the quantification of analysis realization to motor power of described recording signal.
According to the mobile terminal motor detecting method of the invention described above, the present invention also provides a kind of mobile terminal motor detecting system, and just the embodiment of mobile terminal motor detecting system of the present invention is described in detail below.The structural representation of the embodiment of mobile terminal motor detecting system of the present invention has been shown in Fig. 5.For convenience of explanation, part related to the present invention is merely illustrated in Figure 5.
As shown in Figure 5, the mobile terminal motor detecting system in the present embodiment, comprises driver module 501, records module 502, analysis module 503, processing module 504, wherein:
A kind of mobile terminal motor detecting system, is characterized in that, comprising:
Driver module 501, for configuring the drive singal of preset frequency, drives the motor of described mobile terminal by drive singal and in conjunction with the motor drive circuit of mobile terminal;
Record module 502, driven the rear audio frequency produced when shaking to obtain recorded audio signals for motor described in the microphone records by described mobile terminal;
Whether analysis module 503, meet the vibrations condition preset for the motor analyzing described mobile terminal according to described recording signal;
Processing module 504, during for being the satisfied vibrations condition preset at the analysis result of analysis module 503, determining that the motor of described mobile terminal is normal, is when not meeting default vibrations condition in the result of determination of analysis module 503, determines that the motor of described mobile terminal is abnormal.
Wherein in an embodiment, above-mentioned vibrations condition comprises motor normal vibration condition; As shown in Figure 6, above-mentioned analysis module 503 can comprise:
First converter unit 601, obtains frequency signal for carrying out Fourier transform to described recorded audio signals;
First analytic unit 602, for obtaining the maximum Frequency point of level value according to described frequency signal;
First judging unit 603, whether consistent with described preset frequency for judging the maximum Frequency point of described level value;
First processing unit 604, for when the judged result of the first judging unit 603 is for being, determine that the motor of described mobile terminal meets described motor normal vibration condition, when the judged result of the first judging unit 603 is no, determine that the motor of described mobile terminal does not meet described motor normal vibration condition.
Wherein in an embodiment, above-mentioned vibrations condition comprises shockproofness condition; As shown in Figure 7, above-mentioned analysis module 503 can comprise:
Second converter unit 701, obtains frequency signal for carrying out Fourier transform to described recorded audio signals;
Second analytic unit 702, for obtaining the maximum Frequency point of level value according to described frequency signal, and determines the level value of the Frequency point that level value is maximum;
Second judging unit 703, for judging that whether described level value is higher than the threshold value preset;
Second processing unit 704, for when the judged result of the second judging unit 703 is for being, determines that described motor meets described shockproofness condition, when the judged result of the second judging unit 703 is no, determines that described motor does not meet described shockproofness condition.
Mobile terminal motor detecting system wherein in an embodiment, as shown in Figure 8, can also comprise parameter determination module 505, wherein:
Driver module 501 can also be used for by described drive singal and the motor drive circuit combined with reference to mobile terminal drives the described motor with reference to mobile terminal, and wherein, the described motor with reference to mobile terminal is normal;
Record module 502 can also be used for being driven the rear audio frequency produced when shaking to obtain reference signal by the motor of the described reference of the microphone records with reference to mobile terminal mobile terminal;
Second converter unit 701 can also carry out Fourier transform to described reference signal and obtain reference frequency signal;
Described second analytic unit also for obtaining the maximum Frequency point of level value according to described reference frequency signal, and determines the reference level value of the Frequency point that this level value is maximum;
Parameter determination module 505 obtains described threshold value according to described reference level value.
Mobile terminal motor detecting system of the present invention and mobile terminal motor detecting method one_to_one corresponding of the present invention, the technical characteristic of setting forth in the embodiment of above-mentioned mobile terminal motor detecting method and beneficial effect thereof are all applicable to, in the embodiment of mobile terminal motor detecting system, hereby state.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a mobile terminal motor detecting method, is characterized in that, comprises the steps:
The drive singal of configuration preset frequency, drives the motor of described mobile terminal by described drive singal and in conjunction with the motor drive circuit of mobile terminal;
By motor described in the microphone records of described mobile terminal by driven rear produce vibrations time audio frequency obtain recorded audio signals;
Whether the motor analyzing described mobile terminal according to described recording signal meets the vibrations condition preset;
If meet, then determine that the motor of described mobile terminal is normal, if do not meet, then determine that the motor of described mobile terminal is abnormal.
2. mobile terminal motor detecting method according to claim 1, is characterized in that:
Described vibrations condition comprises motor normal vibration condition;
The described step analyzing the whether satisfied vibrations condition preset of motor of described mobile terminal according to described recording signal comprises the steps:
Fourier transform is carried out to described recorded audio signals and obtains frequency signal;
The maximum Frequency point of level value is obtained according to described frequency signal;
Judge that whether described Frequency point is consistent with described preset frequency;
If consistent, then determine that the motor of described mobile terminal meets described motor normal vibration condition, if inconsistent, then determine that the motor of described mobile terminal does not meet described motor normal vibration condition.
3. mobile terminal motor detecting method according to claim 1, is characterized in that:
Described vibrations condition comprises shockproofness condition;
Describedly analyze according to described recording signal the step whether described motor meet the vibrations condition preset and comprise the steps:
Fourier transform is carried out to described recorded audio signals and obtains frequency signal;
Obtain the maximum Frequency point of level value according to described frequency signal, and determine the level value of the Frequency point that level value is maximum;
Whether decision level is worth the level value of maximum Frequency point higher than the threshold value preset;
If higher than, then determine that described motor meets described shockproofness condition, if not higher than, then determine that described motor does not meet described shockproofness condition.
4. mobile terminal motor detecting method according to claim 3, is characterized in that, also comprise step:
The motor drive circuit also combined with reference to mobile terminal by described drive singal drives the described motor with reference to mobile terminal, and wherein, the motor of described reference mobile terminal is normal;
The rear audio frequency produced when shaking is driven to obtain reference signal by the motor of the described reference of the microphone records with reference to mobile terminal mobile terminal;
Fourier transform is carried out to described reference signal and obtains reference frequency signal;
Obtain the maximum Frequency point of level value according to described reference frequency signal, and determine the reference level value of this Frequency point;
Described threshold value is obtained according to described reference level value.
5. a mobile terminal motor detecting system, is characterized in that, comprising:
Driver module, for configuring the drive singal of preset frequency, drives the motor of described mobile terminal by drive singal and in conjunction with the motor drive circuit of mobile terminal;
Record module, driven the rear audio frequency produced when shaking to obtain recorded audio signals for motor described in the microphone records by described mobile terminal;
Whether analysis module, meet the vibrations condition preset for the motor analyzing described mobile terminal according to described recording signal;
Processing module, for when the analysis result of described analysis module is for meeting described vibrations condition, determining that the motor of described mobile terminal is normal, when the result of determination of described analysis module is not for meeting described vibrations condition, determining that the motor of described mobile terminal is abnormal.
6. mobile terminal motor detecting system according to claim 5, is characterized in that:
Described vibrations condition comprises motor normal vibration condition;
Described analysis module comprises:
First converter unit, obtains frequency signal for carrying out Fourier transform to described recorded audio signals;
First analytic unit, for obtaining the maximum Frequency point of level value according to described frequency signal;
Whether consistent with described preset frequency first judging unit, be worth maximum Frequency point for decision level;
First processing unit, for when the judged result of described first judging unit is for being, determine that the motor of described mobile terminal meets described motor normal vibration condition, when the judged result of described first judging unit is no, determine that the motor of described mobile terminal does not meet described motor normal vibration condition.
7. mobile terminal motor detecting system according to claim 5, is characterized in that:
Described vibrations condition comprises shockproofness condition;
Described analysis module comprises:
Second converter unit, obtains frequency signal for carrying out Fourier transform to described recorded audio signals;
Second analytic unit, for obtaining the maximum Frequency point of level value according to described frequency signal, and determines the level value of the Frequency point that level value is maximum;
Whether second judging unit, be worth maximum Frequency point higher than the threshold value preset for decision level;
Second processing unit, for when the judged result of described second judging unit is for being, determines that described motor meets described shockproofness condition, when the judged result of described second judging unit is no, determines that described motor does not meet described shockproofness condition.
8. mobile terminal motor detecting system according to claim 7, is characterized in that:
Described driver module is also for by described drive singal, the motor drive circuit also combined with reference to mobile terminal drives the described motor with reference to mobile terminal, and wherein, the motor of described reference mobile terminal is normal;
Described recording module is also for being driven the rear audio frequency produced when shaking to obtain reference signal by the motor of the described reference of the microphone records with reference to mobile terminal mobile terminal;
Described second converter unit also obtains reference frequency signal for carrying out Fourier transform to described reference signal;
Described second analytic unit also for obtaining the maximum Frequency point of level value according to described reference frequency signal, and determines the reference level value of this Frequency point;
Described mobile terminal motor detecting system also comprises parameter determination module, for obtaining described threshold value according to described reference level value.
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| CN201510077116.XA CN104754094B (en) | 2015-02-12 | 2015-02-12 | Mobile terminal motor detecting method and system |
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| CN104754094B (en) | 2018-01-23 |
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