CN102420894A - Mobile terminal and device for preventing SIM (Subscriber Identity Module) from being subjected to hot plugging - Google Patents
Mobile terminal and device for preventing SIM (Subscriber Identity Module) from being subjected to hot plugging Download PDFInfo
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- CN102420894A CN102420894A CN2010102927004A CN201010292700A CN102420894A CN 102420894 A CN102420894 A CN 102420894A CN 2010102927004 A CN2010102927004 A CN 2010102927004A CN 201010292700 A CN201010292700 A CN 201010292700A CN 102420894 A CN102420894 A CN 102420894A
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- pad
- subscriber identity
- identity module
- lock piece
- trigger element
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Abstract
The invention provides a mobile terminal and a device for preventing an SIM (Subscriber Identity Module) from being subjected to hot plugging. The device comprises a locking piece arranged on the opening side of the SIM and locking the SIM, and further comprises a triggering unit and a reset unit, wherein the triggering unit is linked with the locking piece when the locking piece is driven to unlock the SIM, and the reset unit is used for transmitting a reset signal when the reset unit is electrically connected with the triggering unit. The mobile terminal and the device preventing the SIM from being subjected to the hot plugging can prevent the SIM from being subjected to the hot plugging so as to prevent the SIM from being damaged, and are simple in structure.
Description
Technical field
The invention belongs to field of mobile terminals, relate in particular to a kind of portable terminal and prevent the device of User Recognition card hot plug.
Background technology
Subscriber Identity Module can be called smart card, can be SIM, i.e. the abbreviation of Subscriber Identity Module (client identification module) can certainly be the UIM card, i.e. the abbreviation of User Identity Model (subscriber identification module).Portable terminal is such as mobile phone, and mobile phone etc. must be loaded onto this card and can use.But SIM is a warm swap if SIM is carried out hot plug in the process of communication, can cause the damage of data in the SIM easily even can SIM be burnt.
At present, when portable terminal adopts external battery, all be the hot plug that stops SIM through battery usually; Promptly when the user will take off SIM, need take off battery earlier, like this behind the power cut-off of portable terminal; Mobile phone is in off-mode, thereby avoids causing the damage of SIM, but when portable terminal adopts internal battery; Just can't protect SIM through external battery, and portable terminal is when adopting internal battery, it is discrete that the shutoff of power supply is operated with the plug of SIM; The user is easy to ignore when operation at first close power supply, and then this operating sequence of plug SIM, therefore causes the damage of SIM easily.
Summary of the invention
The present invention for solve exist in the prior art when portable terminal adopts internal battery; Easily hot plug SIM and the problem that causes SIM to damage; Provide a kind of and can prevent that the SIM hot plug from damaging to prevent SIM, and portable terminal simple in structure and prevent the device of User Recognition card hot plug.
The present invention provides a kind of device that prevents the User Recognition card hot plug; But the lock piece that comprises the said Subscriber Identity Module of locking; Said lock piece is arranged on the open side of said Subscriber Identity Module; The trigger element that said device also comprises when driving the said Subscriber Identity Module of said lock piece release and said lock piece links, and the reset unit that when being electrically connected, sends reset signal with said trigger element.
The present invention also provides a kind of portable terminal, comprises the above-mentioned device that prevents the User Recognition card hot plug.
Can find out from the present invention program; Through the said Subscriber Identity Module of lock piece locking, when needs take out said Subscriber Identity Module, when driving said lock piece and discharge said Subscriber Identity Module; Just be electrically connected with said reset unit with the trigger element of said lock piece interlock; Make said reset unit send reset signal, thereby make power supply break off just the operation that can plug said Subscriber Identity Module, to prevent the damage of Subscriber Identity Module.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of portable terminal of the present invention.
Fig. 2 is the circuit diagram of a kind of embodiment of reset circuit of the present invention.
Fig. 3 conducts electricity the front view of structural representation of a kind of embodiment of sliding part for the present invention.
Fig. 4 conducts electricity the left view of structural representation of a kind of embodiment of sliding part for the present invention.
The structural representation that Fig. 5 splits for second kind of embodiment of portable terminal of the present invention.
Fig. 6 is the structural representation of second kind of embodiment of portable terminal of the present invention.
Fig. 7 is the cutaway view of the A-A direction of second kind of embodiment of portable terminal of the present invention.
Fig. 8 is the cutaway view of the A-A direction user mode of second kind of embodiment of portable terminal of the present invention.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present invention provides the device that prevents the User Recognition card hot plug of first kind of embodiment; As shown in Figure 1; But the lock piece that comprises the said Subscriber Identity Module 1 of locking; Said lock piece is arranged on the open side of said Subscriber Identity Module 1, and said device also comprises the trigger element that when driving the said Subscriber Identity Module 1 of said lock piece release, links with said lock piece, and the reset unit that when being electrically connected with said trigger element, sends reset signal.
Through the said Subscriber Identity Module 1 of lock piece locking; When needs take out said Subscriber Identity Module 1; When driving said lock piece and discharge said Subscriber Identity Module 1, just be electrically connected, make said reset unit send reset signal with said reset unit with the trigger element of said lock piece interlock; Thereby make power supply break off just the operation that can plug said Subscriber Identity Module 1, to prevent the damage of Subscriber Identity Module 1.
Further; Said reset unit comprises first pad 2, second pad 3 and the reset circuit; Said reset circuit comprises reset signal output 41 and resistance R; Reset signal output 41 is electrically connected with an end of resistance R and with power supply, and the other end of resistance R is electrically connected with first pad 2, second pad, 3 ground connection.
In practical implementation; As shown in Figure 2, said reset circuit comprises reset signal output 41 and resistance R, and reset signal output 41 is electrically connected with an end of resistance R and with power supply VCC; The other end of resistance R is electrically connected with first pad 2, and second pad 3 is connected with ground GND.Reset circuit also comprises second capacitor C 2 and piezo-resistance VR1; And first capacitor C 1 that is connected with reset signal output 41 of end; The other end of first capacitor C 1 is connected with ground GND; The end of second capacitor C 2 and piezo-resistance VR1 is electrically connected respectively at said first pad 2, and the other end of said second capacitor C 2 and piezo-resistance VR1 is connected with ground GND respectively.First capacitor C 1 is used to prevent that reset signal output 41 from producing electrostatic interference, and second capacitor C 2 is used to prevent that with piezo-resistance VR1 first pad, 2 places from producing electrostatic interference.When first pad 2 and 3 disconnections of second pad; Resistance R is as pull-up resistor, thereby makes reset signal output 41 output high level signals, when first pad 2 is connected with second pad 3; Because second pad 3 is connected with ground GND, thereby makes reset signal output 41 output low level signals.
In practical implementation; Like Fig. 1, Fig. 3 and shown in Figure 4; Said trigger element comprises guide rail 51 and the conduction sliding part 52 that can slide along said guide rail 51, and said conduction sliding part 52 is provided with at least two electroconductive elastic sheets 53,54 that can make said two pad conductings.Said lock piece is a sliding shoe 6, and said sliding shoe 6 is arranged on the said conduction sliding part 52.In the present embodiment, an end of said conduction sliding part 52 is provided with two fixing holes 521, is fixed on the said conduction sliding part 52 through two fixing holes 521 through said sliding shoe 6.Subscriber Identity Module 1 is fixed on said Subscriber Identity Module 1 in the draw-in groove through sliding shoe 6 in the process of operate as normal.When needs plug Subscriber Identity Module 1; Drive sliding shoe 6 and discharge said Subscriber Identity Module 1, the while drives said conduction sliding part 52 and slides along guide rail 51 owing to sliding shoe 6 is fixedly connected with said conduction sliding part 52; First electroconductive elastic sheet 53 of the said conduction sliding part 52 that makes is connected with said first pad 2; Second electroconductive elastic sheet 54 is connected with said second pad 3, further makes said first pad 2 be connected conducting with said second pad 3, thereby makes reset circuit send the reset signal of high level; Power supply breaks off, and can extract Subscriber Identity Module 1 this moment and can not damage in the Subscriber Identity Module 1 data and burn Subscriber Identity Module 1.
Further, said reset unit comprises that also 7, the three pads 7 of the 3rd pad are connected with ground GND; First pad 2 in the process that conduction sliding part 52 is sliding, may produce the electromagnetic wave of interference between second pad 3 and the 3rd pad 7; Therefore when conduction sliding part 52 slides at the beginning; First electroconductive elastic sheet 53 is convenient to the 3rd pad 7 and is connected, and promptly is connected with ground GND, when conducting electricity sliding part 52 when sliding into first electroconductive elastic sheet 53 and being connected with first pad 2; Second electroconductive elastic sheet 54 just can be connected with said second pad 3, thereby prevents to conduct electricity sliding part 52 electromagnetic wave that generation is disturbed in the process of sliding.First pad, 2 ground connection can certainly be set; Said second pad 3 is connected with resistance, and the length of second pad 2 can satisfy conduction sliding part 52 at sliding distance, when the sliding part 52 that promptly conducts electricity slides at the beginning; First electroconductive elastic sheet 53 just begins second pad 2; When conduction sliding part 52 slided into second electroconductive elastic sheet 54 and is connected with second pad 3, first electroconductive elastic sheet 53 still kept being connected with second pad 2, and the feasible sliding part 52 that conducts electricity slides from the beginning; Just be in the state of ground connection, thereby prevent in the process that conduction sliding part 52 is sliding, to produce the electromagnetic wave that disturbs.
Like Fig. 5, Fig. 6 and shown in Figure 7; The device that prevents the User Recognition card hot plug for second kind of embodiment of the present invention; Said lock piece comprises cantilever catch 10 and the fixed leg 11 that is fixedly connected with said trigger element; One end of said cantilever catch 10 is fixed on the opening part of said Subscriber Identity Module 1, and said fixed leg 11 is arranged on the bottom surface of said cantilever catch and near the other end of said cantilever catch 10.
Accordingly; Said reset unit comprises first pad 13, second pad 14; Also comprise the reset circuit among first embodiment, said reset circuit comprises reset signal output 41 and resistance R, and reset signal output 41 is electrically connected with an end of resistance R and with power supply; The other end of resistance R is connected with first pad 13, and second pad 14 is connected with ground.Said trigger element is for making the electroconductive elastic sheet 12 of first pad 13 and 14 conductings of second pad; In the present embodiment; First pad 13 is the M type, and second pad 14 is the U type, and the distance between first pad 13 and second pad 14 is less than the width of electroconductive elastic sheet 12; Make electroconductive elastic sheet 12 to contact with second pad 14 with said first pad 13 simultaneously, thereby make first pad 13 and 14 conductings of second pad.
In the practical implementation; The bottom surface of cantilever catch 10 is provided with two fixed legs 11; Said electroconductive elastic sheet 12 is provided with two connecting through holes 121; Said electroconductive elastic sheet 12 is fixedly connected with said cantilever catch 10 with two fixed legs 11 through two connecting through holes 121, and fixed form is such as passing through hot melt, welding or bonding etc.Like Fig. 6, Fig. 7 and shown in Figure 8, when cantilever catch 10 was in initial position, cantilever catch 10 retainings were at the opening part of said Subscriber Identity Module 1, so that said Subscriber Identity Module 1 can't be plugged.When pressing lower cantalever catch 10; The electroconductive elastic sheet 12 that is fixedly connected with said cantilever catch 10 also moves downward; When said electroconductive elastic sheet 12 contacts with second pad 14 with first pad 13; Thereby first pad 13 and 14 conductings of second pad make reset circuit send reset signal, the opening part that no longer keeps off at Subscriber Identity Module 1 of cantilever catch 10 simultaneously, the operation that also just can plug Subscriber Identity Module 1 and can not damage Subscriber Identity Module 1.
Under the preferable case, said electroconductive elastic sheet 12 comprises the hook portion 122 that can make first pad 13 and 14 conductings of second pad, and the flat part 123 that is fixedly connected with said hook portion, and said flat part 123 is fixedly connected with said locking piece.Said two connecting through holes 121 are arranged on said dull and stereotyped 123, make said electroconductive elastic sheet 12 be fixedly connected with cantilever catch 10, are more convenient for making the conducting of said first pad 13 and second pad 14 through the hook portion 122 of said electroconductive elastic sheet 12.
Certain said lock piece also can be merely cantilever catch 10; One end of said cantilever catch 10 is fixed on the opening part of said Subscriber Identity Module; The other end of said cantilever catch 10 is fixedly connected with said trigger element, and the other end of promptly said cantilever catch 10 is fixedly connected with said electroconductive elastic sheet 12, when pressing lower cantalever catch 10; Said cantilever catch 10 drives said electroconductive elastic sheet 12 and moves downward, and first pad 13 and 14 conductings of second pad are got final product.
As shown in Figure 1, the present invention also provides the portable terminal of first kind of embodiment, comprises the device among above-mentioned first kind of embodiment; Also comprise housing 9, main control board 8 and be arranged on the control unit (not shown on the figure) on the main control board 8; Said first pad 2, second pad 3, the 3rd pad 7 and guide rail 51 are arranged on the said main control board 8, and are positioned at the open side of said Subscriber Identity Module 1, and the sliding part 52 that will conduct electricity earlier is arranged on said guide rail 51; Then said main control board 8 and said first pad 2, second pad 3, the 3rd pad 7, guide rail 51 are enclosed the inside that overlays on said portable terminal through housing 9; Forming the draw-in groove that said user knows card 1 through housing 9 simultaneously, is that sliding shoe 6 is fixed on the said conduction sliding part 52 through two fixing holes 521 on the conduction sliding part 52 with lock piece again, makes when driving sliding shoe 6; 52 interlocks of conduction sliding part; Housing 9 has also formed the location notch that sliding shoe 6 can move therein simultaneously, and said location notch comprises first end and the second end, when sliding shoe 6 moves to the first end of said location notch; Sliding shoe 6 is with said Subscriber Identity Module 1 locking; Not conducting between first pad 2 and second pad 3 at this moment, when sliding shoe 6 moved to the second end of said location notch, 6 pairs of said Subscriber Identity Modules 1 of sliding shoe carried out release; Conducting between first pad 2 and second pad 3 at this moment; Reset circuit sends reset signal, and control unit detects reset signal control power supply and stops power supply, the operation that also can plug said Subscriber Identity Module 1.
Like Fig. 5 and shown in Figure 6, the present invention also provides the portable terminal of second kind of embodiment, comprises the device among above-mentioned second kind of embodiment; Also comprise housing 19, main control board 18 and be arranged on the control unit (not shown on the figure) on the main control board 18, first pad 13 and second pad 14 are arranged on the said main control board 18, and housing 19 is formed for holding the draw-in groove of said Subscriber Identity Module 1; The housing 19 and the said lock piece of said Subscriber Identity Module 1 opening part are an end of cantilever catch 10, and the other end of cantilever catch 10 is unsettled, and cantilever catch 10 retainings are at said Subscriber Identity Module 1 opening part simultaneously; To prevent the random plug of said Subscriber Identity Module 1; Cantilever catch 10 bottom surfaces are fixed with electroconductive elastic sheet 12, when pressing said cantilever catch 10, when pressing lower cantalever catch 10; Said cantilever catch 10 drives said electroconductive elastic sheet 12 and moves downward; Make first pad 13 and 14 conductings of second pad, reset circuit sends reset signal, and control unit detects reset signal control power supply and stops power supply; The opening part that no longer keeps off at Subscriber Identity Module 1 of cantilever catch 10 simultaneously, the operation that also just can plug Subscriber Identity Module 1 and can not damage Subscriber Identity Module 1.
Through the said Subscriber Identity Module 1 of lock piece locking; When needs take out said Subscriber Identity Module 1; When driving said lock piece and discharge said Subscriber Identity Module 1, just be electrically connected, make said reset unit send reset signal with said reset unit with the trigger element of said lock piece interlock; Thereby make power supply break off just the operation that can plug said Subscriber Identity Module 1, to prevent the damage of Subscriber Identity Module 1.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. device that prevents the User Recognition card hot plug; It is characterized in that; But the lock piece that comprises the said Subscriber Identity Module of locking; Said lock piece is arranged on the open side of said Subscriber Identity Module, the trigger element that said device also comprises when driving the said Subscriber Identity Module of said lock piece release and said lock piece links, and the reset unit that when being electrically connected with said trigger element, sends reset signal.
2. device as claimed in claim 1; It is characterized in that; Said reset unit comprises first pad, second pad and reset circuit, and said reset circuit comprises reset signal output and resistance, and the reset signal output is electrically connected with an end of resistance and with power supply; The other end of resistance is electrically connected with first pad, the second pad ground connection.
3. device as claimed in claim 2 is characterized in that said reset unit also comprises the 3rd pad, the 3rd pad ground connection, and first pad is between second pad and the 3rd pad.
4. device as claimed in claim 2 is characterized in that, said trigger element comprises guide rail and the conduction sliding part that can slide along said guide rail, and said conduction sliding part is provided with two electroconductive elastic sheets that can make said first pad and the second pad conducting.
5. device as claimed in claim 4 is characterized in that, said lock piece is a sliding shoe, and said sliding shoe is arranged on the said conduction sliding part.
6. device as claimed in claim 2 is characterized in that, said lock piece is the cantilever catch, and an end of said cantilever catch is fixed on the opening part of said Subscriber Identity Module, and the other end of said cantilever catch is fixedly connected with said trigger element.
7. device as claimed in claim 2; It is characterized in that; Said lock piece comprises cantilever catch and the fixed leg that is fixedly connected with said trigger element; One end of said cantilever catch is fixed on the opening part of said Subscriber Identity Module, and said fixed leg is arranged on the bottom surface of said cantilever catch and near the other end of said cantilever catch.
8. device as claimed in claim 2 is characterized in that, said trigger element comprises the electroconductive elastic sheet that can make first pad and the second pad conducting.
9. device as claimed in claim 8 is characterized in that, the distance between first pad and second pad is less than the width of electroconductive elastic sheet.
10. device as claimed in claim 8 is characterized in that, said electroconductive elastic sheet comprises the hook portion that can make first pad and the second pad conducting, and the flat part that is fixedly connected with said hook portion, and said flat part is fixedly connected with said locking piece.
11. a portable terminal is characterized in that, comprises any described device that prevents the User Recognition card hot plug like claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010292700.4A CN102420894B (en) | 2010-09-27 | 2010-09-27 | Mobile terminal and device for preventing SIM (Subscriber Identity Module) from being subjected to hot plugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010292700.4A CN102420894B (en) | 2010-09-27 | 2010-09-27 | Mobile terminal and device for preventing SIM (Subscriber Identity Module) from being subjected to hot plugging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102420894A true CN102420894A (en) | 2012-04-18 |
| CN102420894B CN102420894B (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010292700.4A Expired - Fee Related CN102420894B (en) | 2010-09-27 | 2010-09-27 | Mobile terminal and device for preventing SIM (Subscriber Identity Module) from being subjected to hot plugging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102420894B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761638A (en) * | 2012-06-29 | 2012-10-31 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and SIM (Subscriber Identity Module) card base module thereof |
| CN102843449A (en) * | 2012-08-16 | 2012-12-26 | 惠州Tcl移动通信有限公司 | Mobile communication device and detecting method of subscriber identity module (SIM) card hotplug |
| CN103001075A (en) * | 2012-12-12 | 2013-03-27 | 惠州Tcl移动通信有限公司 | Mobile terminal (MT) and SIM card connector thereof |
| WO2015161509A1 (en) * | 2014-04-25 | 2015-10-29 | 华为终端有限公司 | Sim card cassette and mobile terminal provided with sim card cassette |
| CN105490104A (en) * | 2014-09-15 | 2016-04-13 | 国龙信息技术(上海)有限公司 | SIM card seat supporting hot plug, and detection method |
| US9985674B2 (en) | 2014-04-25 | 2018-05-29 | Huawei Device (Dongguan) Co., Ltd. | SIM card connector and mobile terminal having the SIM card connector |
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| EP1469650A1 (en) * | 2002-01-26 | 2004-10-20 | Netac Technology Co., Ltd. | Method and system for wireless data communication in data processing system |
| CN101494924A (en) * | 2008-01-24 | 2009-07-29 | 启碁科技股份有限公司 | Method for replacing electronic card without closedown and communication apparatus |
| CN201491054U (en) * | 2009-07-10 | 2010-05-26 | 中兴通讯股份有限公司 | Device for preventing hot plug of subscriber identification module card |
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2010
- 2010-09-27 CN CN201010292700.4A patent/CN102420894B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1469650A1 (en) * | 2002-01-26 | 2004-10-20 | Netac Technology Co., Ltd. | Method and system for wireless data communication in data processing system |
| CN101494924A (en) * | 2008-01-24 | 2009-07-29 | 启碁科技股份有限公司 | Method for replacing electronic card without closedown and communication apparatus |
| CN201491054U (en) * | 2009-07-10 | 2010-05-26 | 中兴通讯股份有限公司 | Device for preventing hot plug of subscriber identification module card |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761638A (en) * | 2012-06-29 | 2012-10-31 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and SIM (Subscriber Identity Module) card base module thereof |
| CN102843449A (en) * | 2012-08-16 | 2012-12-26 | 惠州Tcl移动通信有限公司 | Mobile communication device and detecting method of subscriber identity module (SIM) card hotplug |
| CN102843449B (en) * | 2012-08-16 | 2016-05-11 | 惠州Tcl移动通信有限公司 | The detection method of a kind of mobile communication equipment and SIM hot plug |
| CN103001075A (en) * | 2012-12-12 | 2013-03-27 | 惠州Tcl移动通信有限公司 | Mobile terminal (MT) and SIM card connector thereof |
| CN103001075B (en) * | 2012-12-12 | 2016-01-27 | 惠州Tcl移动通信有限公司 | A kind of mobile terminal and sim card connector thereof |
| WO2015161509A1 (en) * | 2014-04-25 | 2015-10-29 | 华为终端有限公司 | Sim card cassette and mobile terminal provided with sim card cassette |
| US9985674B2 (en) | 2014-04-25 | 2018-05-29 | Huawei Device (Dongguan) Co., Ltd. | SIM card connector and mobile terminal having the SIM card connector |
| US10027360B2 (en) | 2014-04-25 | 2018-07-17 | Huawei Device (Dongguan) Co., Ltd. | SIM card connectorfor preventing SIM card burnout by detecting insertion and removal of the SIM card |
| CN105490104A (en) * | 2014-09-15 | 2016-04-13 | 国龙信息技术(上海)有限公司 | SIM card seat supporting hot plug, and detection method |
Also Published As
| Publication number | Publication date |
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| CN102420894B (en) | 2013-09-18 |
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