CN101685035B - SIM card, method and device for detecting temperature of SIM card - Google Patents
SIM card, method and device for detecting temperature of SIM card Download PDFInfo
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- CN101685035B CN101685035B CN2008101658041A CN200810165804A CN101685035B CN 101685035 B CN101685035 B CN 101685035B CN 2008101658041 A CN2008101658041 A CN 2008101658041A CN 200810165804 A CN200810165804 A CN 200810165804A CN 101685035 B CN101685035 B CN 101685035B
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Abstract
The invention provides an SIM card, a method and a device for detecting the temperature of the SIM card. The device comprises a temperature detecting unit, a temperature comparing unit and an alarming unit, wherein the temperature detecting unit is used for detecting the temperature of the SIM card in a mobile communication terminal to generate SIM card temperature data; the temperature comparingunit is used for comparing the SIM card temperature data with a preset temperature threshold value; and the alarming unit is used for carrying out an SIM card over-temperature alarm when the SIM cardtemperature data is higher than the preset temperature threshold value. When the detected temperature exceeds the range of allowable temperature, the SIM card is turned off in time or the alarm is sent out for prompt, so that the poor contact, deformation, damage and abnormal work of the SIM card caused by the expansion of the clamp spring of the SIM card with high temperature of the working environment of the mobile communication terminal are prevented, at the same time, the risk of losing information in the SIM card can be avoided.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of SIM card temperature checking method and device, SIM card.
Background technology
Along with development of wireless communication devices, the application of mobile phone more and more widely.Constantly weeding out the old and bring forth the new of cell-phone function, increasing function is integrated in the mobile phone, need handle lot of data when realizing these functions, need put into a large amount of chipsets in mobile phone, simultaneously, the work efficiency of microprocessor (CPU) and chipset also improves constantly.
Along with the increase of chipset and the quickening of clock frequency, the heat that mobile phone produces is also increasing gradually; Simultaneously, because mobile phone is developing to light, thin, little direction, in limited space, mobile phone is when full-load operation, and what temperature raise will be faster.
The rising of mobile phone temp will cause the temperature of SIM card to raise, thereby influence the stability of SIM card.The heat radiation of integrated circuit should be not more than 2.5W in the ISO/IEC 7816 series standard regulation SIM card, and the surface temperature of blocking under any environmental baseline can not surpass 50 degree; The normal temperature range of 3GPP series standard regulation SIM card is spent between 70 degree-25, maximum temperature is 85 degree, in the life cycle of whole card, can not allow the temperature of card spend 4 hours more than 100 times above 85, this shows, the temperature exceeding standard of SIM card can influence the stability and the availability of SIM card, and then influences the availability of product.
And SIM card of the prior art can not detect the temperature of SIM card, has influenced the stability of SIM card.
Summary of the invention
The embodiment of the invention provides a kind of SIM card temperature checking method, and this method can detect the temperature variation of SIM card.
The embodiment of the invention also provides a kind of SIM card temperature-detecting device.
According to above-mentioned purpose, the technical scheme of the embodiment of the invention is achieved in that
A kind of SIM card temperature checking method, this method may further comprise the steps: the SIM card temperature in the mobile communication terminal is detected, generate the SIM card temperature data; This SIM card temperature data and the temperature threshold of presetting are compared, generate temperature comparative result data; Carry out the SIM card overtemperature alarm according to these temperature comparative result data.
A kind of SIM card temperature-detecting device, this device comprises: temperature detecting unit, be used for the SIM card temperature in the mobile communication terminal is detected, generate the SIM card temperature data; The temperature comparing unit is used for this SIM card temperature data and the temperature threshold of presetting are compared, and generates temperature comparative result data; Alarm unit carries out the SIM card overtemperature alarm according to these temperature comparative result data.
Technique scheme has following advantage or beneficial effect:
From such scheme as can be seen, the SIM card temperature checking method that the embodiment of the invention provides, the SIM card temperature-detecting device, owing to increased the function of detection SIM card temperature in portable terminal inside, thereby overcome the problem that existing SIM card technical scheme can not adapt to the designing requirement of product miniaturization temperature stability.And when detecting the temperature range that temperature surpass to allow, to carry out alarm, prevent that the too high jump ring that causes SIM card of the operating ambient temperature of mobile communication terminal from expanding and cause loose contact, cause deformation even damage, make the SIM card can't operate as normal, can prevent that the information in the SIM card from just having the risk of losing simultaneously.
Description of drawings
Fig. 1 is the synoptic diagram of SIM card of the prior art;
Fig. 2 is the temperature checking method process flow diagram of the SIM card of the embodiment of the invention;
Fig. 3 is the SIM card temperature-detecting device figure of the embodiment of the invention;
Fig. 4 is the SIM card hard contact distribution plan of the embodiment of the invention;
Fig. 5 is the structural drawing of the SIM card of the embodiment of the invention three;
Fig. 6 is the process flow diagram of the SIM card temperature detection of the embodiment of the invention three;
Fig. 7 is the structural drawing of the SIM card of the embodiment of the invention four;
Fig. 8 is the process flow diagram of the SIM card temperature detection of the embodiment of the invention four.
Embodiment
Fig. 1 is the synoptic diagram of SIM card of the prior art.SIM card is a chip card that microprocessor is housed, and its inside comprises 5 modules, is respectively: CPU, program storage (ROM), working storage (RAM), data-carrier store (EEPROM) and serial communication unit, the corresponding function of each module.
Embodiment one
Fig. 2 is the temperature checking method process flow diagram of the SIM card of the embodiment of the invention.Said method comprising the steps of: the SIM card temperature in the mobile communication terminal is detected, generate SIM card temperature data 201; Described SIM card temperature data and default temperature threshold are compared, when described SIM card temperature data is higher than described default temperature threshold, carry out SIM card overtemperature alarm 202.
The beneficial effect of the embodiment of the invention: owing to add temperature sensing IC on original SIM card inner structure, having overcome existing SIM card technical scheme does not have the temperature signal measuring ability, can not adapt to the problem of product miniaturization temperature stability designing requirement.And when detecting the temperature range that temperature surpass to allow, to carry out overtemperature alarm, prevent that the too high jump ring that causes SIM card of the operating ambient temperature of mobile communication terminal from expanding and cause loose contact, cause deformation even damage, make the SIM card can't operate as normal, can prevent that the information in the SIM card from just having the risk of losing simultaneously.
The temperature checking method of the SIM card of the embodiment of the invention comprises: the SIM card temperature in the mobile communication terminal is detected, generate the SIM card temperature data; Described SIM card temperature data and default temperature threshold are compared, when described SIM card temperature data is higher than described default temperature threshold, carry out the SIM card overtemperature alarm.Described overtemperature alarm is for carrying out alarm and/or close SIM card, and described alarm is auditory tone cues or text prompt.
The beneficial effect of the embodiment of the invention: owing to add temperature sensing IC on original SIM card inner structure, having overcome existing SIM card technical scheme does not have the temperature signal measuring ability, can not adapt to the problem of product miniaturization temperature stability designing requirement.And when detecting the temperature range that temperature surpass to allow, to in time turn off SIM card or carry out alarm, prevent that the too high jump ring that causes SIM card of the operating ambient temperature of mobile communication terminal from expanding and cause loose contact, cause deformation even damage, make the SIM card can't operate as normal, can prevent that the information in the SIM card from just having the risk of losing simultaneously.
Embodiment two
Fig. 3 is the SIM card temperature-detecting device figure of the embodiment of the invention.Described device comprises:
Temperature detecting unit is used for the SIM card temperature in the mobile communication terminal is detected, and generates the SIM card temperature data; The temperature comparing unit is used for described SIM card temperature data and the temperature threshold of presetting are compared; Alarm unit when described SIM card temperature data is higher than described default temperature threshold, carries out the SIM card overtemperature alarm.Described temperature-detecting device can place the inside of described SIM card, and is perhaps, outside and in the portable terminal inside at described SIM card place in SIM card.
The beneficial effect of the embodiment of the invention: owing to add temperature sensing IC on original SIM card inner structure, having overcome existing SIM card technical scheme does not have the temperature signal measuring ability, can not adapt to the problem of product miniaturization temperature stability designing requirement.And when detecting the temperature range that temperature surpass to allow, to carry out overtemperature alarm, prevent that the too high jump ring that causes SIM card of the operating ambient temperature of mobile communication terminal from expanding and cause loose contact, cause deformation even damage, make the SIM card can't operate as normal, can prevent that the information in the SIM card from just having the risk of losing simultaneously.
Embodiment three
Fig. 4 is the SIM card hard contact distribution plan of the embodiment of the invention.SIM card is come logical circuit and portable terminal in the Connection Card by copper interface on the card face, the SIM card chip has 8 hard contacts, usually be connected 6 hard contacts of needs with mobile phone, the embodiment of the invention has increased by 1 hard contact and has been connected with mobile phone, as shown in Figure 4: SIM card hard contact definition: the I/O of serial data (I/O) 401, program voltage input (VPP) 402 (selecting) according to the different row that sticks into, with reference to ground 403 (GND), power supply input (VCC) 404, reset signal input (RST) 405, clock signal input (CLK) 406 and temperature data output 407.
The SIM card of the embodiment of the invention three comprises: temperature sensing unit, be used to detect the temperature of SIM card, and generate the SIM card temperature data; The temperature data output port is used for this SIM card temperature data is exported to the CPU of mobile communication terminal.
Fig. 5 is the structural drawing of the SIM card of the embodiment of the invention three.As shown in Figure 5, SIM card is made up of 6 parts, is respectively: the CPU of SIM card, program storage, working storage, data-carrier store, serial communication unit and temperature sensor.The corresponding function of each part, program storage, working storage, data-carrier store and serial communication unit are connected with the CPU of SIM card, and temperature sensor then is connected by the CPU of temperature data output contact with mobile phone itself.Temperature sensor is used for measuring the temperature of SIM card, and the result that will measure sends to CPU.Concrete workflow as shown in Figure 6.
Step 601: temperature sensor detects the temperature of SIM card;
Step 602: the CPU that the temperature information data that produce is sent to mobile phone by the temperature data output contact;
Step 603: the CPU of mobile phone judges according to the data of receiving whether the temperature of SIM card surpasses temperature threshold, if, carry out step 1004, if not, then turn back to step 1001;
Step 604: the CPU of mobile phone makes alarm or closes SIM card.
The beneficial effect of the embodiment of the invention: SIM card is implanted into that temperature data that temperature sensing circuit exports embodies is the heat of the energy generation that consumes of SIM card itself and the summation of SIM card outside heat, so be implanted into the temperature that temperature sensing circuit more can reflect SIM card accurately in SIM card.Because add temperature sensing IC on original SIM card inner structure, having overcome existing SIM card technical scheme does not have the temperature signal measuring ability, can not adapt to the problem of product miniaturization temperature stability designing requirement.And when detecting the temperature range that temperature surpass to allow, directly the CPU by mobile phone will carry out alarm, prevent that the too high jump ring that causes SIM card of the operating ambient temperature of mobile communication terminal from expanding and cause loose contact, cause deformation even damage, make the SIM card can't operate as normal, can prevent that the information in the SIM card from just having the risk of losing simultaneously.
Embodiment four
The SIM card of the embodiment of the invention four comprises: temperature sensing unit, be used to detect the temperature of SIM card, and generate the SIM card temperature data; Wherein, described CPU is used for described SIM card temperature data and the temperature threshold of presetting are compared, and generates temperature comparative result data; Described serial communication unit is exported described temperature comparative result data.
Fig. 7 is the structural drawing of the SIM card of the embodiment of the invention four.As shown in Figure 7, SIM card is made up of 6 parts, is respectively: the CPU of SIM card, program storage, working storage, data-carrier store, serial communication unit and temperature sensor.The corresponding function of each part, and all link to each other with CPU.Temperature sensor is used for measuring the temperature of SIM card, and the result that will measure sends to CPU.Concrete workflow as shown in Figure 8.
Step 801: temperature sensor detects the temperature of SIM card and detected temperature value is sent to the CPU of SIM card;
The CPU of step 802:SIM card judges whether temperature value exceeds threshold value, if, then carry out step 803, if not, then turn back to the temperature that step 801 continues to detect SIM card;
Step 803: produce the warning message data;
Step 804: send the warning message data to serial communication unit;
Step 805: serial communication unit sends the warning message data to by the I/O contact of the serial data of SIM card the CPU of mobile phone;
Step 806: the CPU of mobile phone makes alarm or closes SIM card.
The beneficial effect of the embodiment of the invention: SIM card is implanted into that temperature data that temperature sensing circuit exports embodies is the heat of the energy generation that consumes of SIM card itself and the summation of SIM card outside heat, so be implanted into the temperature that temperature sensing circuit more can reflect SIM card accurately in SIM card.Because add temperature sensing IC on original SIM card inner structure, having overcome existing SIM card technical scheme does not have the temperature signal measuring ability, can not adapt to the problem of product miniaturization temperature stability designing requirement.And when detecting the temperature range that temperature surpass to allow, to carry out alarm, prevent that the too high jump ring that causes SIM card of the operating ambient temperature of mobile communication terminal from expanding and cause loose contact, cause deformation even damage, make the SIM card can't operate as normal, can prevent that the information in the SIM card from just having the risk of losing simultaneously.
Above-mentioned is that example illustrates SIM card of the present invention with the mobile phone, is not to be used for limiting the present invention.Those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (4)
1. the temperature checking method of a SIM card is characterized in that, described method comprises:
SIM card temperature in the mobile communication terminal is detected, generate the SIM card temperature data;
Described SIM card temperature data and default temperature threshold are compared, when described SIM card temperature data is higher than described default temperature threshold, carry out the SIM card overtemperature alarm.
2. the method for claim 1 is characterized in that, described overtemperature alarm is for carrying out alarm and/or closing SIM card.
3. method as claimed in claim 2 is characterized in that, described alarm is auditory tone cues or text prompt.
4. a SIM card temperature-detecting device is characterized in that, described device comprises:
Temperature detecting unit is used for the SIM card temperature in the mobile communication terminal is detected, and generates the SIM card temperature data;
The temperature comparing unit is used for described SIM card temperature data and the temperature threshold of presetting are compared;
Alarm unit when described SIM card temperature data is higher than described default temperature threshold, carries out the SIM card overtemperature alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101658041A CN101685035B (en) | 2008-09-23 | 2008-09-23 | SIM card, method and device for detecting temperature of SIM card |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101658041A CN101685035B (en) | 2008-09-23 | 2008-09-23 | SIM card, method and device for detecting temperature of SIM card |
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| CN101685035A CN101685035A (en) | 2010-03-31 |
| CN101685035B true CN101685035B (en) | 2011-08-24 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8180401B2 (en) * | 2009-05-18 | 2012-05-15 | Nokia Corporation | Method and apparatus for providing a card application toolkit command for reporting terminal environmental information |
| CN101917515A (en) * | 2010-08-12 | 2010-12-15 | 惠州Tcl移动通信有限公司 | Mobile terminal, temperature reminding method thereof and temperature reminding device thereof |
| CN102541665A (en) * | 2010-12-27 | 2012-07-04 | 深圳市恒扬科技有限公司 | Method and device for decreasing temperature of electronic chip |
| KR20120097108A (en) * | 2011-02-24 | 2012-09-03 | 엘에스산전 주식회사 | Coil temperature indicator of magnetic contactor |
| CN103188394B (en) * | 2011-12-31 | 2015-12-09 | 国民技术股份有限公司 | A kind of mobile communication terminal, SIM card and direction measurement method with orientation measurement function |
| CN103955242A (en) * | 2013-09-30 | 2014-07-30 | 珠海中慧微电子有限公司 | GPRS module for automatic heating of SIM card in low-temperature environment and temperature control method |
| CN103853211A (en) * | 2014-02-18 | 2014-06-11 | 深圳市中兴物联科技有限公司 | Device for recognizing SIM card |
| CN111405103A (en) * | 2020-03-06 | 2020-07-10 | Tcl移动通信科技（宁波）有限公司 | Device, method, storage medium and mobile terminal for detecting SIM card |
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Effective date of registration: 20171031 Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee after: HUAWEI terminal (Dongguan) Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Device Co., Ltd. |
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Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Huawei Device Co., Ltd. Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: HUAWEI terminal (Dongguan) Co., Ltd. |
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