CN104457821B - Test device and test method of proximity detector - Google Patents
Test device and test method of proximity detector Download PDFInfo
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- CN104457821B CN104457821B CN201410857173.5A CN201410857173A CN104457821B CN 104457821 B CN104457821 B CN 104457821B CN 201410857173 A CN201410857173 A CN 201410857173A CN 104457821 B CN104457821 B CN 104457821B
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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 relates to the test device and method of proximity transducer.
【Background technology】
Existing mobile phone or flat board mobile phone terminal unit substantially can carry proximity transducer, this function become smart mobile phone or
The standard configuration function of flat board.
The operation principle of proximity transducer is infrared lamp transmitting infrared ray, and receptor receives the infrared ray for being reflected, when outer
Portion's object near when can reflect infrared ray, when receptor receive infrared ray exceed certain threshold values after judgment object be close to (such as
The face of user is on mobile phone)；After object is removed, the infrared ray that receptor is received is reduced, when the light for receiving is less than one
After fixed threshold values, then it is judged as that object leaves (as mobile phone is taken away from face side).But the threshold values arranged in said process may mistake
Greatly, and as dark object (such as the surface of black) near when, due to the light of black surface reflection it is less, so as to be unable to reach
Above-mentioned threshold value, so as to cause erroneous judgement.Furthermore, it is also possible to as the structure problem of proximity transducer causes the difference of threshold value,
Therefore unified threshold value cannot be set to the proximity transducer of same batch, therefore be necessary in fact to provide a kind of for testing close
The test device and method of sensor threshold value.
【The content of the invention】
It is an object of the invention to provide the test device and method of a kind of proximity transducer, to solve in prior art
Because the structure of proximity transducer produces the problem for affecting to threshold value.
For achieving the above object, the test device for implementing the proximity transducer of the present invention includes placing and is provided with close biography
The test platform of the test machine of sensor, electronic altimeter gauge, guide pillar, travelling arm, retaining element and pole, wherein guide pillar with survey
Examination platform is vertically arranged, travelling arm be arranged on guide pillar and can be along guide pillar in test platform vertical direction move up and down, electronics
Height quantifier 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, the pole
One end is fixed on travelling arm and is be arranged in parallel with guide pillar, and the pole bottom is to place test card.
For achieving the above object, the method for testing for implementing the proximity transducer of the present invention comprises the steps：
It is close to proximity transducer surface using first test card of simulation human facial skin, sets now proximity transducer
Distance with the first test card is zero；
First test card is individually positioned in into the position apart from the first distance of proximity transducer surface with second distance, is read
The infrared receiver value of the proximity transducer is the first output valve and the second output valve；
First test card is changed to into the second test card of black color, is made the second test card be close to proximity transducer, and is read
The infrared receiver value of the proximity transducer is the 3rd output valve；
It is the 4th output valve that the proximity transducer surface is read again without infrared receiver value during any blocking；
Judge whether first, second, third and fourth output valve meets following condition：4th output valve<Second output valve<3rd is defeated
Go out value<First output valve；
As met, then it is assumed that the structure of the proximity transducer has no problem, and as being unsatisfactory for, needs to the proximity transducer
Structure is modified.
According to above-mentioned principal character, wherein first distance is 2cm, and second distance is 8cm.
Compared with prior art, the present invention can detect the proximity transducer by above-mentioned test device and method
Structure it is whether problematic, so as to avoid the structure because of the proximity transducer from producing impact to threshold value, so as to more effectively avoid
Erroneous judgement.
【Description of the drawings】
Fig. 1 is the structural representation of the proximity transducer test device for implementing the present invention.
Fig. 2 is the schematic flow sheet of the proximity transducer method of testing for implementing the present invention.
【Specific embodiment】
Refer to shown in Fig. 1, be the structural representation of the proximity transducer test device for implementing the present invention.Implement the present invention
Proximity transducer test device include placing the test platform 10 of test machine, electronic altimeter gauge 11, guide pillar 12, sliding
Swing arm 13, retaining element 14 (such as fixed bolt) and pole 15.Wherein guide pillar 12 is vertically arranged with test platform 10, travelling arm 13
Be arranged on guide pillar 12 and can be along guide pillar 12 in test platform 10 vertical direction move up and down.Electronic altimeter gauge 11 sets
Put 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, the pole 15
One end is fixed on travelling arm 13 and is be arranged in parallel with guide pillar 12, and 15 bottom of pole is to place test card (not shown).
Implement the characteristic of the proximity transducer test device using proximity transducer of the present invention, test proximity transducer is not
With the infrared ray value received by height, the height of travelling arm 13 is adjusted according to the value that electronic altimeter gauge 11 shows, is then twisted
Element 14 is fastened, the infrared ray value that the proximity transducer is received is read afterwards.By from height from 0 to 10cm, each scale
The infrared receiver value of the proximity transducer is read, this series of infrared receiver value constitutes the height of the proximity transducer
With the curve or tables of data of infrared receiver value, can be very good to set the close sensing by this curve or tables of data afterwards
Device close to or away from threshold value, can also test multiple stage and there is the electronic equipment of proximity transducer to confirm the size of individual variation.
The proximity transducer test device for implementing the present invention can objectively react the characteristic and receiving infrared-ray value of proximity transducer, right
Drive and debug and confirm that sensor characteristics and threshold value have great function.
Refer to shown in Fig. 2, be the schematic flow sheet of the proximity transducer method of testing for implementing the present invention, the method includes
Following steps：
It is close to proximity transducer surface using first test card of simulation human facial skin, sets now proximity transducer
Distance with the first test card is zero；
First test card is individually positioned in into the position apart from the first distance of proximity transducer surface with second distance, is read
The infrared receiver value of the proximity transducer is the first output valve and the second output valve, and in the specific implementation, first distance is
2cm, second distance are 8cm；
First test card is changed to into the second test card of black color, is made the second test card be close to proximity transducer, and is read
The infrared receiver value of the proximity transducer is the 3rd output valve；
It is the 4th output valve that the proximity transducer surface is read again without infrared receiver value during any blocking；
Judge whether first, second, third and fourth output valve meets following condition：4th output valve<Second output valve<3rd is defeated
Go out value<First output valve；
As met, then it is assumed that the structure of the proximity transducer has no problem, and as being unsatisfactory for, needs to the proximity transducer
Structure is modified.
In above-mentioned step, skilled person will appreciate which can sequentially be changed, during this visual concrete operations
Conveniently carry out.
Below in conjunction with the proximity transducer test device shown in Fig. 1, concrete testing process during to being embodied as is illustrated such as
Under, specifically include following steps：
1. pole bottom is close to using the first test card (gray card-simulation human facial skin)；
2. mobile phone front (being positioned proximate to the surface of sensor) is lain against into test platform upward；
3. mobile phone is plugged USB and is connected with computer；
4. ARIXTRA debugging bridge command tools are opened；
5. the infrared receiver value that current proximity transducer is read under specified folder is entered；
6. unscrewing fixed bolt regulation travelling arm makes the gray card on pole be close to mobile phone surface (proximity transducer part)；
7. and then fixed bolt；
8. height quantifier is reset；
9. infrared receiver value X_0 of proximity transducer when current distance is 0cm is read；
10. infrared receiver value X_0 of height 0cm and proximity transducer is recorded；
11. unscrew again fixed bolt adjust travelling arm until height quantifier reading be 1cm when, fixed bolt；
12. infrared receiver values X_1 for reading proximity transducer, record 1cm and X_1；
13. unscrew again fixed bolt adjust travelling arm until height quantifier reading be 2cm, fixed bolt；
14. infrared receiver values X_2 for reading proximity transducer, record 2cm and X_2；
The infrared receiver value of 15. proximity transducers for testing 3cm to 10cm (with 1cm increasing heights) height successively；
Second test card is close to mobile phone surface (proximity transducer by 16. the second test cards that test card is separately changed into black
Part) record now proximity transducer infrared receiver value Y_0；
17. read infrared receiver value Z_0 of the mobile phone surface without proximity transducer during any blocking again；
18. are tested the data for obtaining above fills out transverse axis for infrared receiver value, during the longitudinal axis is the chart of height；
Data above arrangement is confirmed whether to meet condition by 19.：Z_0<X_8<Y_0<X_2.
Meet conditions above and then illustrate that the configuration aspects of proximity transducer have no problem, part of detecting is not as by if afterwards
Software adjustment threshold values size is needed only；Such as it is unsatisfactory for conditions above to be accomplished by being close to sensor construction modification.By above-mentioned
Method of testing can solve test index it is not objective, it is inaccurate the problems such as, can be good at testing being close to for the whole machine of feedback
How the index of sensor, change to the structure of proximity transducer, is such as directed to mould, housing, the structure of rubber washer and size
Modification provide a foundation.
It is understood that for those of ordinary skills, with technology according to the present invention scheme and its can send out
Bright design in addition equivalent or change, and all these changes or replace the guarantor that should all belong to appended claims of the invention
Shield scope.
Claims (2)
1. a kind of a kind of method for testing proximity transducer using test device, the test device of the proximity transducer include to
Placement be provided with the test platform of test machine of proximity transducer, electronic altimeter gauge, guide pillar, travelling arm, retaining element and
Bar, wherein guide pillar are vertically arranged with test platform, travelling arm be arranged on guide pillar and can along guide pillar test platform Vertical Square
Move up and down, electronic altimeter gauge is arranged on travelling arm, and one end of travelling arm is provided with retaining element, and the other end
Be provided with a pole, the pole one end is fixed on travelling arm and is be arranged in parallel with guide pillar, the pole bottom to place test card,
It is characterized in that the method comprises the steps：
It is close to proximity transducer surface using first test card of simulation human facial skin, setting now proximity transducer and the
The distance of one test card is zero；
First test card is individually positioned in apart from the first distance of proximity transducer surface and the position of second distance, this is read and is connect
The infrared receiver value of nearly sensor is the first output valve and the second output valve；
First test card is changed to into the second test card of black color, is made the second test card be close to proximity transducer, and is read this and connect
The infrared receiver value of nearly sensor is the 3rd output valve；
It is the 4th output valve that the proximity transducer surface is read again without infrared receiver value during any blocking；
Judge whether first, second, third and fourth output valve meets following condition：4th output valve<Second output valve<3rd output valve<
First output valve；
As met, then it is assumed that the structure of the proximity transducer has no problem, and as being unsatisfactory for, needs the structure to the proximity transducer
Modify.
2. the method for claim 1, it is characterised in that：First distance is 2cm, and second distance is 8cm.
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN201410857173.5A CN104457821B (en) | 2014-12-30 | 2014-12-30 | Test device and test method of proximity detector |
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| CN104457821A CN104457821A (en) | 2015-03-25 |
| CN104457821B true CN104457821B (en) | 2017-04-19 |
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| CN105997040B (en) * | 2016-07-26 | 2019-06-04 | 佳禾智能科技股份有限公司 | A kind of heart rate sensor detection device 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 |
| CN106289846B (en) * | 2016-09-12 | 2018-06-01 | 珠海格力电器股份有限公司 | A kind of test device of intelligent environment protection bucket |
| CN109561193B (en) * | 2018-12-11 | 2022-05-10 | 深圳市艾特讯科技有限公司 | Calibration mechanism and terminal test system |
| 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 | A kind of detection device and detection method for detecting distance sensor |
| 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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| CN101713629A (en) * | 2008-10-08 | 2010-05-26 | 鸿富锦精密工业（深圳）有限公司 | Height measuring instrument |
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| CN104457821A (en) | 2015-03-25 |
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