CN102420882B - Mobile terminal and device for preventing hot plug of subscriber identity module (SIM) card - Google Patents
Mobile terminal and device for preventing hot plug of subscriber identity module (SIM) card Download PDFInfo
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- CN102420882B CN102420882B CN201010292726.9A CN201010292726A CN102420882B CN 102420882 B CN102420882 B CN 102420882B CN 201010292726 A CN201010292726 A CN 201010292726A CN 102420882 B CN102420882 B CN 102420882B
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- pad
- electrically connected
- hook portion
- subscriber identity
- identity module
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Abstract
The invention provides a mobile terminal and a device for preventing hot plug of a subscriber identity module (SIM) card. The device comprises a conductive elastic assembly and a shell capable of pressing against the elastic assembly, wherein the shell covers the subscriber identity module card; and the device also comprises a trigger unit which is electrically connected with the elastic assembly when the shell is separated from the elastic assembly and is used for sending a trigger signal, and a control unit which is electrically connected with the trigger unit and is used for controlling the disconnection of a power supply of the subscriber identity module card according to the trigger signal. According to the mobile terminal and the device for preventing the hot plug of the subscriber identity module card can prevent the hot plug of the SIM card so as to prevent the SIM card 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 mobile terminal and prevent the device of Subscriber Identity Module hot plug.
Background technology
Subscriber Identity Module can be called smart card, can be SIM card, i.e. the abbreviation of Subscriber Identity Module (client identification module), can certainly be UIM card, i.e. User Identity Model(subscriber identification module) abbreviation.Mobile terminal is such as mobile phone, mobile phone etc. must be loaded onto this card and can use.For convenience of description, below, Subscriber Identity Module is referred to as to SIM card.SIM card, in the process of communication, is warm swap if SIM card is carried out to hot plug, easily causes the damage of data in SIM card even SIM card can be burnt.
At present, when mobile terminal adopts external battery, conventionally be all the hot plug that stops SIM card by battery, in the time that user will take off SIM card, need to first take off battery, like this, after the power cut-off of mobile terminal, mobile phone is in off-mode, thereby can avoid causing the damage of SIM card, when but mobile terminal adopts internal battery, just cannot protect SIM card by external battery, and mobile terminal adopts when internal battery, the shutoff of power supply and the plug of SIM card operation are discrete, user is easy to ignore first power cutoff in the time of operation, and then this operating sequence of plug SIM card, therefore easily cause the damage of SIM card.
Summary of the invention
The present invention be solve exist in prior art in the time that mobile terminal adopts internal battery, easily hot plug SIM card and the problem that causes SIM card to damage, a kind of device that can prevent the mobile terminal of SIM card hot plug and prevent Subscriber Identity Module hot plug is provided, and it adopts simple structure to prevent the damage of SIM card.
The invention provides a kind of device that prevents Subscriber Identity Module hot plug, described device comprises conductive elastic parts, and the housing that can support with described elastic parts, described housing covers on described Subscriber Identity Module, described device also comprises the trigger element that is electrically connected and sends triggering signal in the time that described housing separates with described elastic parts with described elastic parts, and the control unit that is electrically connected with described trigger element and disconnects according to the power supply of triggering signal control Subscriber Identity Module.
The present invention also provides a kind of mobile terminal, comprises the above-mentioned device that prevents Subscriber Identity Module hot plug.
Can find out from the present invention program, the housing covering on described Subscriber Identity Module can be supported and coordinate with described elastic parts, in the time that housing and described elastic parts are supported, drive described elastic parts to be electrically connected with described trigger element, and in the time that needs take out described Subscriber Identity Module, first need housing to separate with described elastic parts, and then described elastic parts is also separated with described trigger element, the triggering signal that control unit is now sent according to trigger element, the power supply of controlling Subscriber Identity Module disconnects, the operation that now just can plug described Subscriber Identity Module, thereby can prevent the damage of Subscriber Identity Module.
Accompanying drawing explanation
Fig. 1 is the structural representation of mobile terminal the first embodiment of the present invention.
Fig. 2 is the circuit diagram of a kind of embodiment of reset circuit of the present invention.
Fig. 3 is that the front view of structural representation of a kind of embodiment of sliding part is conducted electricity in the present invention.
Fig. 4 is that the vertical view of structural representation of a kind of embodiment of sliding part is conducted electricity in the present invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides the device that prevents Subscriber Identity Module hot plug of a kind of embodiment, as shown in Figure 1, described device comprises conductive elastic parts, and the housing 2 that can support with described elastic parts, described housing 2 covers on described Subscriber Identity Module 1, described device also comprises the trigger element that is electrically connected and sends triggering signal in the time that described housing 2 separates with described elastic parts with described elastic parts, and the control unit that is electrically connected with described trigger element and disconnects according to the power supply of triggering signal control Subscriber Identity Module 1.
Visible, the housing 2 covering on described Subscriber Identity Module 1 can be supported and coordinate with described elastic parts, in the time that housing and described elastic parts are supported, drive described elastic parts to be electrically connected with described trigger element, and in the time that needs take out described Subscriber Identity Module 1, first need housing 2 to separate with described elastic parts, and then described elastic parts is also separated with described trigger element, the triggering signal that control unit is now sent according to trigger element, the power supply of controlling Subscriber Identity Module 1 disconnects, the operation that now just can plug described Subscriber Identity Module 1, thereby can prevent the damage of Subscriber Identity Module 1.
In concrete enforcement, triggering signal comprises high level signal and low level signal, in the time that control unit receives the triggering signal of high level, the power supply of controlling Subscriber Identity Module 1 disconnects, also can be in the time that control unit receives low level triggering signal, the power supply of controlling Subscriber Identity Module 1 disconnects, above control mode can with the communication protocol of control unit in arrange in advance, be those skilled in the art's common practise.
Further, described trigger element comprises the first pad 3, the second pad 4 and signal generating circuit, signal generating circuit comprises signal output part 51 and resistance R, signal output part 51 is electrically connected with one end of described resistance R, the other end of described resistance R is electrically connected with described the first pad 3, and described the second pad 4 is electrically connected with described power supply VCC.In the time that conductive elastic parts is electrically connected with trigger element, when i.e. the first pad 3 and the second pad 4 conducting, signal output part 51 is exported high level signal, control unit is just according to the power work of high level signal control Subscriber Identity Module 1, in the time that conductive elastic parts separates with trigger element electricity, i.e. the first pad 3 and the second pad 4 not conductings, now signal output part 51 output low level signals, control unit disconnects according to the power supply of low level signal control Subscriber Identity Module 1.Can certainly be that described the second pad 4 is electrically connected with described ground GND, in the time that conductive elastic parts is electrically connected with trigger element, when i.e. the first pad 3 and the second pad 4 conducting, signal output part 51 output low level signals, control unit is just according to the power work of low level signal control Subscriber Identity Module 1, so in the time that conductive elastic parts separates with trigger element electricity, i.e. the first pad 3 and the second pad 4 not conductings, now signal output part 51 is exported high level signal, and control unit disconnects according to the power supply of high level signal control Subscriber Identity Module 1.
In concrete enforcement, as shown in Figure 2, described signal generating circuit comprises signal output part 51 and resistance R, and signal output part 51 is electrically connected with one end of resistance R, and the other end of resistance R is electrically connected with the first pad 3, and the second pad 4 is connected with power supply VCC.Signal generating circuit also comprises the first capacitor C 1 and piezo-resistance VR1, and one end of the first capacitor C and piezo-resistance VR1 is electrically connected respectively at described the first pad 3, and the other end of described the first capacitor C and piezo-resistance VR1 is connected with ground GND respectively.The first capacitor C and piezo-resistance VR1 are used for preventing that the first pad 3 places from producing electrostatic interference.In the time that the first pad 3 and the second pad 4 disconnect, resistance R is as pull down resistor, thereby makes signal output part 51 output low level signals; In the time that the first pad 3 is connected with the second pad 4 conductings, because the second pad 4 is connected with power supply VCC, thereby make signal output part 51 export high level signal.
Further, described elastic parts comprises elastic component and is arranged on the connector of described elastic component one end, the top of described connector can be supported with described housing 2 and bottom can be electrically connected with described the second pad 4, and the other end of described elastic component is electrically connected with described the first pad 3.
In concrete enforcement, as shown in Figure 1, Figure 3 and Figure 4, described elastic component is the flat board 61 with the first hook portion 611, described the first hook portion 611 is fixed on described the first pad 3, described connector is to have the second hook portion 621 of opening upwards and the hang plate 62 of the 3rd hook portion 622 that Open Side Down, one end of described the second hook portion 621 is fixedly connected with away from one end of the first hook portion 611 with described dull and stereotyped 61, the bottom of described the second hook portion 621 can be electrically connected with described the second pad 4, and the top of described the 3rd hook portion 622 can be supported with described housing 2.The bottom of described the first hook portion is greater than the bottom of described the second hook portion 621 to described dull and stereotyped 61 distance to described dull and stereotyped 61 distance, in the time closing housing 2, the top of housing 2 and the 3rd hook portion 622 is supported, elastic parts is compressed, there is elastic deformation, the bottom of described the second hook portion 621 is electrically connected with described the second pad 4, thereby the first pad 3 is connected with the second pad 4 conductings, the power work of Subscriber Identity Module 1, in the time unloading lower house 2, housing 2 separates with the top of the 3rd hook portion 622, elastic parts returns to nonelastic deformed state, the bottom of described the second hook portion 621 is also separated with described the second pad 4, thereby the first pad 3 and the second pad 4 not conductings, trigger element sends low level triggering signal, the power supply of Subscriber Identity Module 1 also just disconnects, now can extract Subscriber Identity Module 1 and can not damage in Subscriber Identity Module 1 data or burn Subscriber Identity Module 1.In the present embodiment, described dull and stereotyped 61 is one-body molded with described hang plate 62, so that processing, and makes to have described dull and stereotyped 61 and be not easy exceedingly to deform in elastically-deformable process and damage occurring with the integrated elastic component of described hang plate 62.
In concrete enforcement, described elastic parts also comprises and is arranged on described dull and stereotyped 61 and the pedestal 63 of described hang plate 62 junctions, for limiting described dull and stereotyped 61 and first height distance between pad 3 and the second pad 4, make the bottom of described the second hook portion 621 to realize good being electrically connected with described the second pad 4, good contact can be realized with housing 2 in the top of described the 3rd hook portion 622.
In concrete enforcement, described elastic component also can be spring, described spring is vertically arranged on described the first pad 3 and one end is fixedly connected with described the first pad 3, described connector is the bending part with transverse slat and riser, described transverse slat can be supported with described housing, the other end of described spring is connected with one end of described transverse slat, and one end of described riser can be electrically connected with described the second weldering 4 dishes.In the time that housing does not close, the length on spring vertical direction is greater than the length of described riser, and therefore now one end of described riser separates with described the second pad.In the time closing housing 2, housing 2 is supported Compress Spring simultaneously with described transverse slat, drive described riser to be electrically connected with described the second pad 4, thereby the first pad 3 is connected with the second pad 4 conductings, the power work of Subscriber Identity Module 1, in the time unloading lower house 2, housing 2 separates with described transverse slat, spring recovers reset condition, drive described riser also to separate with described the second pad 4, thereby the first pad 3 and the second pad 4 not conductings, trigger element sends low level triggering signal, the power supply of Subscriber Identity Module 1 also just disconnects, now can extract Subscriber Identity Module 1 and can not damage in Subscriber Identity Module 1 data and burn Subscriber Identity Module 1.
Further, described riser can be provided with the 4th hook portion with one end that described the second pad 4 is electrically connected, the conducting of be more convenient for described elastic component and the second pad 4.Described bending part can be inverted L shape plate or T-shaped plate, and described shape is more convenient for processing.
As shown in Figure 1, the present invention also provides the mobile terminal of the first embodiment, comprise the device in above-described embodiment, also comprise main control board 8, wherein: the first pad 3, the second pad 4, elastic parts, control unit are all arranged on described main control board 8, described in described elastic parts, elastic parts comprises elastic component and the connector that is arranged on described elastic component one end, the top of described connector can be supported with described housing 2 and bottom can be electrically connected with described the second pad 4, and the other end of described elastic component is electrically connected with described the first pad 3.
In concrete enforcement, with reference to Fig. 1, Fig. 3 and Fig. 4, described elastic component is the flat board 61 with the first hook portion 611, described the first hook portion 611 is fixed on described the first pad 3, described connector is to have the second hook portion 621 of opening upwards and the hang plate 62 of the 3rd hook portion 622 that Open Side Down, one end of described the second hook portion 621 is fixedly connected with away from one end of the first hook portion 611 with described dull and stereotyped 61, the bottom of described the second hook portion 621 can be electrically connected with described the second pad 4, and the top of described the 3rd hook portion 622 can be supported with described housing 2.One end of described the first hook portion 611 is greater than the bottom of described the second hook portion 621 to described dull and stereotyped 61 distance to described dull and stereotyped 61 distance, in the time closing housing 2, the top of housing 2 and the 3rd hook portion 622 is supported, the bottom of described the second hook portion 621 is electrically connected with described the second pad 4, thereby the first pad 3 is connected with the second pad 4 conductings, the power work of Subscriber Identity Module 1, in the time unloading lower house 2, housing 2 separates with the top of the 3rd hook portion 622, the bottom of described the second hook portion 621 is also separated with described the second pad 4, thereby the first pad 3 and the second pad 4 not conductings, trigger element sends low level triggering signal, the power supply of controlling Subscriber Identity Module 1 disconnects, the operation that now just can plug described Subscriber Identity Module 1, thereby can prevent the damage of Subscriber Identity Module 1.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. one kind prevents the device of Subscriber Identity Module hot plug, it is characterized in that, described device comprises conductive elastic parts, and the housing that can support with described elastic parts, described housing covers on described Subscriber Identity Module, described device also comprises the trigger element that is electrically connected and sends triggering signal in the time that described housing separates with described elastic parts with described elastic parts, and the control unit that is electrically connected with described trigger element and disconnects according to triggering signal control Subscriber Identity Module power supply; Described trigger element comprises the first pad, the second pad and signal generating circuit, signal generating circuit comprises signal output part and resistance, signal output part is electrically connected with one end of described resistance, the other end of described resistance is electrically connected with described the first pad, and described the second pad is electrically connected with described power supply.
2. device as claimed in claim 1, it is characterized in that, described elastic parts comprises elastic component and is arranged on the connector of described elastic component one end, the top of described connector can be supported with described housing and bottom can be electrically connected with described the second pad, and the other end of described elastic component is electrically connected with described the first pad.
3. device as claimed in claim 2, it is characterized in that, described elastic component is the flat board with the first hook portion, described the first hook portion is fixed on described the first pad, described connector is the hang plate with the second hook portion He the 3rd hook portion that Open Side Down of opening upwards, one end of described the second hook portion is fixedly connected with away from one end of the first hook portion with described flat board, and the bottom of described the second hook portion can be electrically connected with described the second pad, and the top of described the 3rd hook portion can be supported with described housing.
4. device as claimed in claim 3, is characterized in that, described elastic parts also comprises the pedestal that is arranged on described flat board and described hang plate junction.
5. device as claimed in claim 3, is characterized in that, described flat board and described hang plate are one-body molded.
6. device as claimed in claim 2, it is characterized in that, described elastic component is spring, described spring is vertically arranged on described the first pad and one end is fixedly connected with described the first pad, described connector is the bending part with transverse slat and riser, described transverse slat can be supported with described housing, and the other end of described spring is connected with one end of described transverse slat, and one end of described riser can be electrically connected with described the second pad.
7. device as claimed in claim 6, is characterized in that, described riser can be provided with the 4th hook portion with one end that described the second pad is electrically connected.
8. device as claimed in claim 6, is characterized in that, described bending part is inverted L shape plate or T-shaped plate.
9. a mobile terminal, is characterized in that, comprises the device as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010292726.9A CN102420882B (en) | 2010-09-27 | 2010-09-27 | Mobile terminal and device for preventing hot plug of subscriber identity module (SIM) card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010292726.9A CN102420882B (en) | 2010-09-27 | 2010-09-27 | Mobile terminal and device for preventing hot plug of subscriber identity module (SIM) card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102420882A CN102420882A (en) | 2012-04-18 |
| CN102420882B true CN102420882B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010292726.9A Expired - Fee Related CN102420882B (en) | 2010-09-27 | 2010-09-27 | Mobile terminal and device for preventing hot plug of subscriber identity module (SIM) card |
Country Status (1)
| Country | Link |
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| CN (1) | CN102420882B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831023B (en) * | 2012-07-31 | 2015-08-19 | 惠州Tcl移动通信有限公司 | Prevent hot plug SIM card from burning method and the mobile terminal of card based on mobile terminal |
| 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 |
| 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 |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201303424Y (en) * | 2008-12-11 | 2009-09-02 | 深圳华为通信技术有限公司 | Mobile terminal with protector |
| CN101577561A (en) * | 2008-12-17 | 2009-11-11 | 上海闻泰电子科技有限公司 | Mobile terminal realizing hot plug of SIM card and SIM card hot plug method |
| US7620038B1 (en) * | 2003-07-16 | 2009-11-17 | Starent Networks, Corp. | Using hot swap logic in a communication system |
| 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 |
-
2010
- 2010-09-27 CN CN201010292726.9A patent/CN102420882B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7620038B1 (en) * | 2003-07-16 | 2009-11-17 | Starent Networks, Corp. | Using hot swap logic in a communication system |
| CN201303424Y (en) * | 2008-12-11 | 2009-09-02 | 深圳华为通信技术有限公司 | Mobile terminal with protector |
| CN101577561A (en) * | 2008-12-17 | 2009-11-11 | 上海闻泰电子科技有限公司 | Mobile terminal realizing hot plug of SIM card and SIM card hot plug method |
| 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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| Publication number | Publication date |
|---|---|
| CN102420882A (en) | 2012-04-18 |
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