CN104457821A - Test device and test method of proximity detector - Google Patents
Test device and test method of proximity detector Download PDFInfo
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- CN104457821A CN104457821A CN201410857173.5A CN201410857173A CN104457821A CN 104457821 A CN104457821 A CN 104457821A CN 201410857173 A CN201410857173 A CN 201410857173A CN 104457821 A CN104457821 A CN 104457821A
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- proximity transducer
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Abstract
The invention discloses a test device of a proximity detector and a method for testing the proximity detector through the test device. The test device comprises a test platform, an electronic height meter, a guide pillar, a sliding arm, a fixing element and a supporting rod, wherein a test machine with the proximity detector is arranged on the test platform, the guide pillar and the test platform are arranged perpendicularly, the sliding arm is arranged on the guide pillar and can vertically move on the test platform along the guide pillar, the electronic height meter is arranged on the sliding arm, the fixing element is arranged at one end of the sliding arm, the supporting rod is arranged at the other end of the sliding arm, one end of the supporting rod is fixed to the sliding arm and parallel with the guide pillar, and test cards are arranged at the bottom of the supporting rod. The infrared receiving values of the proximity detector are obtained at different positions through the different test cards, whether the structure of the proximity detector has a problem or not is judged according to the relationship of the multiple infrared receiving values, influence of the structure of the proximity detector on a threshold value is avoided, and wrong judgment is more effectively avoided.
Description
[technical field]
The invention belongs to electronic technology field, particularly refer to proving installation and the method for proximity transducer.
[background technology]
Existing mobile phone or dull and stereotyped mobile phone terminal equipment substantially can with proximity transducers, and this function has become the standard configuration function of smart mobile phone or flat board.
The principle of work of proximity transducer is that infrared ray launched by infrared lamp, receiver receives by the infrared ray reflected, when exterior object near time can reflected infrared, after the infrared ray received when receiver exceedes certain threshold values, judgment object is close to (if the face of user is on mobile phone); After object is removed, the infrared ray that receiver receives reduces, and after the light received is less than certain threshold values, is then judged as that object leaves (as mobile phone is taken away from face limit).But the threshold values arranged in said process may be excessive, and time as close in dark object (surface as black), because the light of black surface reflection is less, thus above-mentioned threshold value cannot be reached, thus cause erroneous judgement.Moreover, also may causing the difference of threshold value due to the structure problem of proximity transducer, therefore unified threshold value cannot be set to the proximity transducer of same batch, being necessary to provide a kind of proving installation for testing proximity transducer threshold value and method therefore in fact.
[summary of the invention]
The object of the present invention is to provide a kind of proving installation and method of proximity transducer, in order to solve in prior art because of problem that the structure of proximity transducer has an impact to threshold value.
For achieving the above object, the proving installation implementing proximity transducer of the present invention comprises in order to place the test platform being provided with the test machine of proximity transducer, electronic altimeter gauge, guide pillar, travelling arm, retaining element and pole, wherein guide pillar is vertical with test platform is arranged, travelling arm is arranged on also can along guide pillar in the vertical direction of test platform on guide pillar, lower movement, electronic altimeter gauge is arranged on travelling arm, and one end of travelling arm is provided with retaining element, and the other end is provided with a pole, this pole one end to be fixed on travelling arm and to be arranged in parallel with guide pillar, in order to place test card bottom this pole.
For achieving the above object, the method for testing implementing proximity transducer of the present invention comprises the steps:
Use first test card of simulation human facial skin to be close to proximity transducer surface, the distance setting now proximity transducer and the first test card is zero;
Be placed on respectively by first test card apart from the position of proximity transducer surface the first distance with second distance, the infrared receiver value reading this proximity transducer is the first output valve and the second output valve;
First test card is changed to the second test card of black color, makes the second test card be close to proximity transducer, and the infrared receiver value reading this proximity transducer is the 3rd output valve;
Reading this proximity transducer surface is again the 4th output valve without infrared receiver value during any blocking;
Judge whether first, second, third and fourth output valve meets following condition: the 4th output valve < second output valve < the 3rd output valve < first output valve;
As met, then thinking that the structure of this proximity transducer is no problem, then needing to modify to the structure of this proximity transducer if do not met.
According to above-mentioned principal character, wherein this first distance is 2cm, and second distance is 8cm.
Compared with prior art, the present invention, by above-mentioned proving installation and method, can detect whether the structure of this proximity transducer has problem, thus avoid the structure because of this proximity transducer to have an impact to threshold value, thus more effective avoiding is judged by accident.
[accompanying drawing explanation]
Fig. 1 is the structural representation implementing proximity transducer proving installation of the present invention.
Fig. 2 is the schematic flow sheet implementing proximity transducer method of testing of the present invention.
[embodiment]
Refer to shown in Fig. 1, for implementing the structural representation of proximity transducer proving installation of the present invention.Implement proximity transducer proving installation of the present invention and comprise placing the test platform 10 of test machine, electronic altimeter gauge 11, guide pillar 12, travelling arm 13, retaining element 14 (as fixed bolt) and pole 15.Wherein guide pillar 12 is vertical with test platform 10 is arranged, and travelling arm 13 is arranged on guide pillar 12 and also can moves up and down along the vertical direction of guide pillar 12 at test platform 10.Electronic altimeter gauge 11 is arranged in the middle part of travelling arm 13, and one end of travelling arm 13 is provided with retaining element 14, and the other end is provided with a pole 15, this pole 15 one end to be fixed on travelling arm 13 and to be arranged in parallel with guide pillar 12, in order to place test card (not shown) bottom this pole 15.
Implement the characteristic that proximity transducer proving installation of the present invention utilizes proximity transducer, the infrared ray value that the differing heights testing proximity transducer receives, according to the height of the value adjustment travelling arm 13 that electronic altimeter gauge 11 shows, then tighten retaining element 14, read the infrared ray value that this proximity transducer receives afterwards.By from height from 0 to 10cm, each scale all reads the infrared receiver value of this proximity transducer, this a series of infrared receiver value forms the height of this proximity transducer and the curve of infrared receiver value or tables of data, afterwards by this curve or tables of data can well set this proximity transducer close to or away from threshold value, also can test multiple stage and there is the electronic equipment of proximity transducer to confirm the size of individual difference.Implement characteristic and receiving infrared-ray value that proximity transducer proving installation of the present invention can react proximity transducer objectively, driving and debugging are confirmed that sensor characteristic and definite threshold have great function.
Refer to shown in Fig. 2, for implementing the schematic flow sheet of proximity transducer method of testing of the present invention, the method comprises the steps:
Use first test card of simulation human facial skin to be close to proximity transducer surface, the distance setting now proximity transducer and the first test card is zero;
First test card is placed on respectively apart from the position of proximity transducer surface the first distance with second distance, the infrared receiver value reading this proximity transducer is the first output valve and the second output valve, in the specific implementation, this first distance is 2cm, and second distance is 8cm;
First test card is changed to the second test card of black color, makes the second test card be close to proximity transducer, and the infrared receiver value reading this proximity transducer is the 3rd output valve;
Reading this proximity transducer surface is again the 4th output valve without infrared receiver value during any blocking;
Judge whether first, second, third and fourth output valve meets following condition: the 4th output valve < second output valve < the 3rd output valve < first output valve;
As met, then thinking that the structure of this proximity transducer is no problem, then needing to modify to the structure of this proximity transducer if do not met.
In above-mentioned step, those skilled in the art's its order known can change, conveniently carrying out during these visual concrete operations.
Below in conjunction with the proximity transducer proving installation shown in Fig. 1, concrete testing process during concrete enforcement is described as follows, specifically comprises the steps:
1. use the first test card (ash card-simulation human facial skin) to be close to bottom pole;
2. mobile phone front (arranging the surface of proximity transducer) is lain against test platform upward;
3. mobile phone is plugged USB and is connected with computer;
4. open Android debugging bridge command tools;
5. under entering specified folder, read the infrared receiver value of current proximity transducer;
6. unscrewing fixed bolt regulates travelling arm to make the ash clamping on pole paste mobile phone surface (proximity transducer part);
7. then fixed bolt;
8. altitude gauge gauge is reset;
9. the infrared receiver value X_0 of proximity transducer when reading current distance is 0cm;
10. the infrared receiver value X_0 of record height 0cm and proximity transducer;
11. unscrew fixed bolt again regulates travelling arm until when altitude gauge gauge reading is 1cm, fixed bolt;
The infrared receiver value X_1 of 12. reading proximity transducers, record 1cm and X_1;
13. unscrew fixed bolt again regulates travelling arm until altitude gauge gauge reading is 2cm, fixed bolt;
The infrared receiver value X_2 of 14. reading proximity transducers, record 2cm and X_2;
The 15. infrared receiver values of proximity transducer of testing 3cm to 10cm (with 1cm increasing height) height successively;
16. another the second test cards test card being changed into black, are close to the infrared receiver value Y_0 that now proximity transducer is recorded on mobile phone surface (proximity transducer part) by the second test card;
17. read the infrared receiver value Z_0 of mobile phone surface without proximity transducer during any blocking again;
18. by testing the data obtained above, to fill out transverse axis be infrared receiver value, and the longitudinal axis is in the chart of height;
Above data preparation is confirmed whether to satisfy condition by 19.: Z_0<X_8<Y_0<X_2.
Meet above condition and then illustrate that the configuration aspects of proximity transducer is no problem, part of detecting then only needs software adjustment threshold values size if do not passed through afterwards; Be enough to upper condition as discontented revise close to sensor construction with regard to needs.The problems such as test index is not objective, inaccurate can be solved by above-mentioned method of testing, can be good at the index of the proximity transducer testing feedback complete machine, how to revise to the structure of proximity transducer, as provided a foundation for the structure of mould, housing, rubber washer and the amendment of size.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the present invention.
Claims (3)
1. the proving installation of a proximity transducer, comprise in order to place the test platform being provided with the test machine of proximity transducer, electronic altimeter gauge, guide pillar, travelling arm, retaining element and pole, wherein guide pillar is vertical with test platform is arranged, travelling arm is arranged on also can along guide pillar in the vertical direction of test platform on guide pillar, lower movement, electronic altimeter gauge is arranged on travelling arm, and one end of travelling arm is provided with retaining element, and the other end is provided with a pole, this pole one end to be fixed on travelling arm and to be arranged in parallel with guide pillar, in order to place test card bottom this pole.
2. utilize a method for the proving installation test proximity transducer of the proximity transducer described in claim 1, it is characterized in that the method comprises the steps:
Use first test card of simulation human facial skin to be close to proximity transducer surface, the distance setting now proximity transducer and the first test card is zero;
Be placed on respectively by first test card apart from the position of proximity transducer surface the first distance with second distance, the infrared receiver value reading this proximity transducer is the first output valve and the second output valve;
First test card is changed to the second test card of black color, makes the second test card be close to proximity transducer, and the infrared receiver value reading this proximity transducer is the 3rd output valve;
Reading this proximity transducer surface is again the 4th output valve without infrared receiver value during any blocking;
Judge whether first, second, third and fourth output valve meets following condition: the 4th output valve < second output valve < the 3rd output valve < first output valve;
As met, then thinking that the structure of this proximity transducer is no problem, then needing to modify to the structure of this proximity transducer if do not met.
3. method as claimed in claim 2, is characterized in that: this first distance is 2cm, and second distance is 8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857173.5A CN104457821B (en) | 2014-12-30 | 2014-12-30 | Test device and test method of proximity detector |
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| CN201410857173.5A CN104457821B (en) | 2014-12-30 | 2014-12-30 | Test device and test method of proximity detector |
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| CN104457821A true CN104457821A (en) | 2015-03-25 |
| CN104457821B CN104457821B (en) | 2017-04-19 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997040A (en) * | 2016-07-26 | 2016-10-12 | 广东佳禾声学科技有限公司 | Heart rate sensor detection device and method |
| CN106289846A (en) * | 2016-09-12 | 2017-01-04 | 珠海格力电器股份有限公司 | Testing arrangement of intelligence environmental protection bucket |
| CN107782354A (en) * | 2016-08-31 | 2018-03-09 | 光宝新加坡有限公司 | Action sensor detecting system and method |
| CN109561193A (en) * | 2018-12-11 | 2019-04-02 | 深圳市艾特讯科技有限公司 | Correcting mechanism and terminal test system |
| CN109853687A (en) * | 2018-12-20 | 2019-06-07 | 浙江大学台州研究院 | Intelligent closestool automatic sensing detection device |
| CN110376599A (en) * | 2019-08-22 | 2019-10-25 | 广东小天才科技有限公司 | Detection device and detection method for detecting distance sensor |
| CN110849405A (en) * | 2019-11-21 | 2020-02-28 | 张刘波 | Portable proximity switch sensor test equipment |
| CN113188583A (en) * | 2021-04-23 | 2021-07-30 | 上海智蕙林医疗科技有限公司 | Method and system for testing proximity sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105997040A (en) * | 2016-07-26 | 2016-10-12 | 广东佳禾声学科技有限公司 | Heart rate sensor detection device and method |
| CN107782354A (en) * | 2016-08-31 | 2018-03-09 | 光宝新加坡有限公司 | Action sensor detecting system and method |
| CN107782354B (en) * | 2016-08-31 | 2020-06-09 | 光宝科技新加坡私人有限公司 | Motion sensor detection system and method |
| CN106289846A (en) * | 2016-09-12 | 2017-01-04 | 珠海格力电器股份有限公司 | Testing arrangement of intelligence environmental protection bucket |
| CN106289846B (en) * | 2016-09-12 | 2018-06-01 | 珠海格力电器股份有限公司 | Testing arrangement of intelligence environmental protection bucket |
| CN109561193A (en) * | 2018-12-11 | 2019-04-02 | 深圳市艾特讯科技有限公司 | Correcting mechanism and terminal test system |
| CN109853687A (en) * | 2018-12-20 | 2019-06-07 | 浙江大学台州研究院 | Intelligent closestool automatic sensing detection device |
| CN109853687B (en) * | 2018-12-20 | 2021-01-26 | 浙江大学台州研究院 | Intelligent closestool auto-induction detection equipment |
| CN110376599A (en) * | 2019-08-22 | 2019-10-25 | 广东小天才科技有限公司 | Detection device and detection method for detecting distance sensor |
| CN110849405A (en) * | 2019-11-21 | 2020-02-28 | 张刘波 | Portable proximity switch sensor test equipment |
| CN110849405B (en) * | 2019-11-21 | 2022-06-28 | 深圳市云腾精密科技有限公司 | Portable proximity switch test equipment |
| CN113188583A (en) * | 2021-04-23 | 2021-07-30 | 上海智蕙林医疗科技有限公司 | Method and system for testing proximity sensor |
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| CN104457821B (en) | 2017-04-19 |
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