CN105120081A - SIM card detection device and method thereof for detecting plugging and unplugging of SIM card - Google Patents
SIM card detection device and method thereof for detecting plugging and unplugging of SIM card Download PDFInfo
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- CN105120081A CN105120081A CN201510440191.8A CN201510440191A CN105120081A CN 105120081 A CN105120081 A CN 105120081A CN 201510440191 A CN201510440191 A CN 201510440191A CN 105120081 A CN105120081 A CN 105120081A
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Abstract
The invention discloses an SIM card detection device and a method thereof for detecting plugging and unplugging of an SIM card. The SIM card detection device comprises a main controller, a proximity sensor and a card slot used for installing the SIM card, wherein the main controller is connected with the proximity sensor, and the proximity sensor is installed in the card slot and used for plugging and unplugging of the SIM card. The SIM card detection device and the method thereof for detecting plugging and unplugging of the SIM card provided by the invention adopt the proximity sensor for detecting distance to the SIM card, can effectively avoid the mistaken unplugging detection of the SIM card easily caused by impact and dropping of a mobile terminal, and have more stable SIM card detecting function.
Description
Technical field
The present invention relates to mobile communication device field, particularly relate to a kind of method of SIM card checkout gear and the plug of detection SIM card thereof.
Background technology
SIM card is the identify label card that all can insert in mobile terminal, and in prior art, in order to make user easy to use, increasing mobile terminal supports SIM card hot plug function; But, detecting for the hot plug of SIM card in prior art is all changed by the level of interrupt pin to detect, namely two schemes is had: (1) is not when inserting SIM card, detecting pin is low level, after inserting SIM card, detect pin and become high level, judge that SIM card is inserted by the rising edge detecting pin, judge that SIM card is extracted by the trailing edge detecting pin; (2) when not inserting SIM card, detecting pin is high level, after inserting SIM card, detects pin and becomes low level, judge that SIM card is inserted by the trailing edge detecting pin, judge that SIM card is extracted by the rising edge detecting pin.
The scheme of prior art is in realization uses, because SIM card insert in detection pin mostly be elastic construction, during normal use, due to mobile terminal clash into, fall time there will be and detect the Contact of pin and disconnect the SIM card caused and extract error detection, affect user and normally use.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of SIM card checkout gear and detect the method for SIM card plug, be intended to solve in prior art because mobile terminal clashes into, falls the problem easily causing SIM flase drop to measure to extract the normal use of operating influence user.
Technical scheme of the present invention is as follows:
A kind of SIM card checkout gear, wherein, comprising: master controller, proximity transducer and the draw-in groove for installing SIM card; Described master controller is connected with described proximity transducer, and described proximity transducer is installed in draw-in groove, and for detecting the plug of SIM card.
Described SIM card checkout gear, wherein, the mounting means of described proximity transducer in the following way in one:
Described proximity transducer is installed on draw-in groove inner end, and the detection mouth of proximity transducer is towards to extract direction consistent with SIM card;
Described proximity transducer is installed on draw-in groove upper end, and the detection mouth of proximity transducer is towards to extract direction vertical and down with SIM card;
Described proximity transducer is installed on draw-in groove lower end, and the detection mouth of proximity transducer is towards to extract direction vertical and upward with SIM card;
Described proximity transducer is installed on draw-in groove front end, and the detection mouth of proximity transducer is towards to extract direction vertical and backwards with SIM card;
Described proximity transducer is installed on draw-in groove rear end, and the detection mouth of proximity transducer is towards to extract direction vertical and forward with SIM card.
Described SIM card checkout gear, wherein, described master controller comprise connect successively timer, distance acquisition module, judge module;
Timer, it obtains the distance between proximity transducer and objects in front for clocked flip;
Distance acquisition module, it is for obtaining proximity transducer and the distance of objects in front sensed;
Judge module, it is for being insertion according to the state of Distance Judgment current SIM card or extracting.
Utilize SIM card checkout gear as above to detect a method for SIM card plug, wherein, comprise step:
Read the distance X1 between its objects in front and proximity transducer that proximity transducer detects; To compare apart from X1 and threshold value, and obtain the plug state of SIM card according to comparative result.
Described SIM card checkout gear detects the method for SIM card plug, wherein, specifically comprises:
S1, pre-set variable SIMSTA for preserving current SIM card plug state, wherein, SIMSTA is that 1 expression SIM card is inserted, and SIMSTA is that 0 expression SIM card is extracted;
S2, startup timer;
When S3, timer expiry, read the distance X1 between its objects in front and proximity transducer that proximity transducer detects;
S4, obtain the value of current SIMSTA, if the value of current SIMSTA is 0, perform step S5, if the value of current SIMSTA is 1, perform step S6;
S5, compare the size of X1 and first threshold XTH1, if X1 is less than XTH1, judges that SIM card is inserted, and SIMSTA is set to 1;
S6, compare the size of X1 and Second Threshold XTH2, if X1 is greater than XTH2, judges that SIM card is extracted, and SIMSTA is set to 0.
Described SIM card checkout gear detects the method for SIM card plug, and wherein, the time-out time of described timer is 200ms.
Described SIM card checkout gear detects the method for SIM card plug, and wherein, described XTH1 is less than XTH2.
Described SIM card checkout gear detects the method for SIM card plug, and wherein, the value of described XTH1 and XTH2 is as follows:
When proximity transducer is loaded on draw-in groove inner end, XTH1 is 0.1cm, XTH2 is 2cm;
When proximity transducer is loaded on draw-in groove upper end, XTH1 is 0.1cm, XTH2 is 2cm;
When proximity transducer is loaded on draw-in groove lower end, XTH1 is 0.1cm, XTH2 is 2cm;
When proximity transducer is loaded on draw-in groove front end, XTH1 is 0.1cm, XTH2 is 1cm;
When proximity transducer is loaded on draw-in groove rear end, XTH1 is 0.1cm, XTH2 is 1cm.
Described SIM card checkout gear detects the method for SIM card plug, and wherein, in described step S1, the initial value of SIMSTA is set to 0.
Beneficial effect: a kind of method that the invention provides SIM card checkout gear and the plug of detection SIM card thereof, it utilizes proximity transducer to detect the distance of SIM card, can effectively avoid, because mobile terminal clashes into, falls and easily cause SIM card to extract detection by mistake, making SIM card measuring ability more stable.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of SIM card checkout gear of the present invention preferred embodiment.
Fig. 2 is proximity transducer optional installation site schematic diagram in the present invention.
Fig. 3 is the flow chart that a kind of SIM card checkout gear of the present invention detects the method preferred embodiment of SIM card plug.
Embodiment
The invention provides a kind of method of SIM card checkout gear and the plug of detection SIM card thereof, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the structured flowchart of a kind of SIM card checkout gear of the present invention preferred embodiment, and as shown in the figure, it comprises: master controller 100, proximity transducer 200 and the draw-in groove 300 for installing SIM card; Described master controller 100 is connected with described proximity transducer 200, and described proximity transducer 200 is installed in draw-in groove 300, and for detecting the plug of SIM card.
Principle of the present invention is exactly utilize the proximity transducer be arranged in draw-in groove 300 to detect the distance between its objects in front and proximity transducer 200, and then judge whether SIM card is inserted or extract according to this distance, thus avoid traditional mobile terminal to measure the problems such as SIM card is pulled out due to reason flase drops such as clashing into, fall, make measuring ability more stable.
In the present invention, the mounting means of described proximity transducer 200 has multiple, enumerates wherein five kinds below, as shown in Figure 2, the present invention can adopt below any one:
Described proximity transducer 200 is installed on the inner end 350 of draw-in groove 300, and the detection mouth of proximity transducer 200 is towards to extract direction consistent with SIM card;
Described proximity transducer 200 is installed on the upper end 310 of draw-in groove 300, and the detection mouth of proximity transducer 200 is towards to extract direction vertical and down with SIM card;
Described proximity transducer 200 is installed on the lower end 320 of draw-in groove 300, and the detection mouth of proximity transducer 200 is towards to extract direction vertical and upward with SIM card;
Described proximity transducer 200 is installed on the front end 330 of draw-in groove 300, and the detection mouth of proximity transducer 200 is towards to extract direction vertical and backwards with SIM card;
Described proximity transducer 200 is installed on the rear end 340 of draw-in groove 300, and the detection mouth of proximity transducer 200 is towards to extract direction vertical and forward with SIM card.
The detection mouth of proximity transducer 200 guarantees SIM card plug orientation and distance to be detected towards needs, and the present invention adopts above-mentioned five kinds of mounting meanss can realize SIM card plug orientation and the distance between SIM card and proximity transducer 200 being detected.
Described master controller 100 comprise connect successively timer 110, distance acquisition module 120, judge module 130;
Timer 110, it obtains the distance between proximity transducer 200 and objects in front for clocked flip;
The time-out time of this timer 110 is 200ms, certainly also can carry out self-defined adjustment as required, but preferably be set to 200ms.
Distance acquisition module 120, it is for obtaining the distance of proximity transducer 200 and the objects in front sensed; This distance acquisition module 120 Main Function is from proximity transducer 200, obtain the distance that proximity transducer 200 detects, this distance refers to the distance between proximity transducer 200 objects in front and proximity transducer 200 self.
Judge module 130, it is for being insertion according to the state of Distance Judgment current SIM card or extracting.It specifically compares according to distance and threshold value, judges the plug state of SIM card according to comparative result.
The present invention also provides a kind of method utilizing SIM card checkout gear as above to detect SIM card plug, wherein, comprises step:
Read the distance X1 between its objects in front and proximity transducer that proximity transducer detects; To compare apart from X1 and threshold value, and obtain the plug state of SIM card according to comparative result.
Below by an instantiation, the present invention is specifically described, as shown in Figure 3, comprises step:
S100, pre-set variable SIMSTA for preserving current SIM card plug state, wherein, SIMSTA is that 1 expression SIM card is inserted, and SIMSTA is that 0 expression SIM card is extracted; In described step S1, the initial value of SIMSTA is set to 0.
S200, startup timer;
When S300, timer expiry, read the distance X1 between its objects in front and proximity transducer that proximity transducer detects;
S400, obtain the value of current SIMSTA, if the value of current SIMSTA is 0, perform step S5, if the value of current SIMSTA is 1, perform step S6;
S500, compare the size of X1 and first threshold XTH1, if X1 is less than XTH1, judges that SIM card is inserted, and SIMSTA is set to 1;
S600, compare the size of X1 and Second Threshold XTH2, if X1 is greater than XTH2, judges that SIM card is extracted, and SIMSTA is set to 0.
Described XTH1 is less than XTH2.The value of described XTH1 and XTH2 needs the position being placed in draw-in groove according to proximity transducer to determine:
When proximity transducer is loaded on draw-in groove inner end (to extract direction consistent towards with SIM card for the detection mouth of proximity transducer), XTH1 is 0.1cm, XTH2 is 2cm;
When proximity transducer is loaded on draw-in groove upper end (the detection mouth of proximity transducer towards with SIM card extract direction vertical and down), XTH1 is 0.1cm, XTH2 is 2cm;
When proximity transducer is loaded on draw-in groove lower end (the detection mouth of proximity transducer towards with SIM card extract direction vertical and upward), XTH1 is 0.1cm, XTH2 is 2cm;
When proximity transducer is loaded on draw-in groove front end (the detection mouth of proximity transducer towards with SIM card extract direction vertical and backwards), XTH1 is 0.1cm, XTH2 is 1cm;
When proximity transducer is loaded on draw-in groove rear end (the detection mouth of proximity transducer towards with SIM card extract direction vertical and forward), XTH1 is 0.1cm, XTH2 is 1cm.
In sum, the invention provides a kind of method of SIM card checkout gear and the plug of detection SIM card thereof, it utilizes proximity transducer to detect the distance of SIM card, can effectively avoid, because mobile terminal clashes into, falls and easily cause SIM card to extract detection by mistake, making SIM card measuring ability more stable.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (9)
1. a SIM card checkout gear, is characterized in that, comprising: master controller, proximity transducer and the draw-in groove for installing SIM card; Described master controller is connected with described proximity transducer, and described proximity transducer is installed in draw-in groove, and for detecting the plug of SIM card.
2. SIM card checkout gear according to claim 1, is characterized in that, the mounting means of described proximity transducer in the following way in one:
Described proximity transducer is installed on draw-in groove inner end, and the detection mouth of proximity transducer is towards to extract direction consistent with SIM card;
Described proximity transducer is installed on draw-in groove upper end, and the detection mouth of proximity transducer is towards to extract direction vertical and down with SIM card;
Described proximity transducer is installed on draw-in groove lower end, and the detection mouth of proximity transducer is towards to extract direction vertical and upward with SIM card;
Described proximity transducer is installed on draw-in groove front end, and the detection mouth of proximity transducer is towards to extract direction vertical and backwards with SIM card;
Described proximity transducer is installed on draw-in groove rear end, and the detection mouth of proximity transducer is towards to extract direction vertical and forward with SIM card.
3. SIM card checkout gear according to claim 1, is characterized in that, described master controller comprise connect successively timer, distance acquisition module, judge module;
Timer, it obtains the distance between proximity transducer and objects in front for clocked flip;
Distance acquisition module, it is for obtaining proximity transducer and the distance of objects in front sensed;
Judge module, it is for being insertion according to the state of Distance Judgment current SIM card or extracting.
4. utilize SIM card checkout gear as claimed in claim 1 to detect a method for SIM card plug, it is characterized in that, comprise step:
Read the distance X1 between its objects in front and proximity transducer that proximity transducer detects; To compare apart from X1 and threshold value, and obtain the plug state of SIM card according to comparative result.
5. SIM card checkout gear according to claim 4 detects the method for SIM card plug, it is characterized in that, specifically comprises:
S1, pre-set variable SIMSTA for preserving current SIM card plug state, wherein, SIMSTA is that 1 expression SIM card is inserted, and SIMSTA is that 0 expression SIM card is extracted;
S2, startup timer;
When S3, timer expiry, read the distance X1 between its objects in front and proximity transducer that proximity transducer detects;
S4, obtain the value of current SIMSTA, if the value of current SIMSTA is 0, perform step S5, if the value of current SIMSTA is 1, perform step S6;
S5, compare the size of X1 and first threshold XTH1, if X1 is less than XTH1, judges that SIM card is inserted, and SIMSTA is set to 1;
S6, compare the size of X1 and Second Threshold XTH2, if X1 is greater than XTH2, judges that SIM card is extracted, and SIMSTA is set to 0.
6. SIM card checkout gear according to claim 5 detects the method for SIM card plug, and it is characterized in that, the time-out time of described timer is 200ms.
7. SIM card checkout gear according to claim 5 detects the method for SIM card plug, and it is characterized in that, described XTH1 is less than XTH2.
8. SIM card checkout gear according to claim 7 detects the method for SIM card plug, and it is characterized in that, the value of described XTH1 and XTH2 is as follows:
When proximity transducer is loaded on draw-in groove inner end, XTH1 is 0.1cm, XTH2 is 2cm;
When proximity transducer is loaded on draw-in groove upper end, XTH1 is 0.1cm, XTH2 is 2cm;
When proximity transducer is loaded on draw-in groove lower end, XTH1 is 0.1cm, XTH2 is 2cm;
When proximity transducer is loaded on draw-in groove front end, XTH1 is 0.1cm, XTH2 is 1cm;
When proximity transducer is loaded on draw-in groove rear end, XTH1 is 0.1cm, XTH2 is 1cm.
9. SIM card checkout gear according to claim 5 detects the method for SIM card plug, and it is characterized in that, in described step S1, the initial value of SIMSTA is set to 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440191.8A CN105120081A (en) | 2015-07-24 | 2015-07-24 | SIM card detection device and method thereof for detecting plugging and unplugging of SIM card |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440191.8A CN105120081A (en) | 2015-07-24 | 2015-07-24 | SIM card detection device and method thereof for detecting plugging and unplugging of SIM card |
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| CN105120081A true CN105120081A (en) | 2015-12-02 |
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| CN201510440191.8A Pending CN105120081A (en) | 2015-07-24 | 2015-07-24 | SIM card detection device and method thereof for detecting plugging and unplugging of SIM card |
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Cited By (7)
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| CN106792863A (en) * | 2017-02-24 | 2017-05-31 | 惠州Tcl移动通信有限公司 | A kind of SIM triggers the method and mobile terminal of recognition detection automatically |
| CN107391399A (en) * | 2017-07-06 | 2017-11-24 | Tcl移动通信科技（宁波）有限公司 | A kind of mobile terminal and its SD card detection control method for frequency and storage medium |
| CN107528941A (en) * | 2017-08-30 | 2017-12-29 | 努比亚技术有限公司 | Card connection component, mobile terminal and operation response method |
| CN108401250A (en) * | 2017-02-07 | 2018-08-14 | 蔡伟英 | A kind of mobile terminal SIM card damage detection method and system |
| CN110912574A (en) * | 2019-12-27 | 2020-03-24 | Tcl移动通信科技（宁波）有限公司 | SIM card detection method, device, storage medium and terminal |
| CN112290963A (en) * | 2020-10-29 | 2021-01-29 | 维沃移动通信有限公司 | Control method of electronic equipment and electronic equipment |
| CN114545091A (en) * | 2022-02-25 | 2022-05-27 | Oppo广东移动通信有限公司 | SIM card detection device and method and customer premises equipment |
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| CN112290963A (en) * | 2020-10-29 | 2021-01-29 | 维沃移动通信有限公司 | Control method of electronic equipment and electronic equipment |
| CN114545091A (en) * | 2022-02-25 | 2022-05-27 | Oppo广东移动通信有限公司 | SIM card detection device and method and customer premises equipment |
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Application publication date: 20151202 |