CN208386119U - Charging detection system, mobile terminal and the adapter of mobile terminal - Google Patents

Abstract

The utility model discloses charging detection system, mobile terminal and the adapters of a kind of mobile terminal, the charging detection system includes mobile terminal and adapter, wherein, mobile terminal includes: input electric cur- rent measure device, and input electric cur- rent measure device detects the charging input current for being input to mobile terminal；Charging input current is sent to adapter by the first communicator, the first communicator；Adapter includes: output current detector, the charging output electric current that output current detector detection is exported from adapter；Second communicator, the second communicator receive the charging input current that the first communicator is sent；Second controller, second controller according to the difference between charging input current and charging output electric current judge whether that short circuit or micro-short circuit occurs.Thus, it is possible to detect whether the charging interface of mobile terminal has occurred short circuit or micro-short circuit, to solve the problem of to cause charging interface, charging cable even charging adapter to be burned because short circuit or micro-short circuit occurs for charging interface.

Description

Charging detection system, mobile terminal and the adapter of mobile terminal

Technical field

The utility model relates to technical field of mobile terminals, in particular to the charging detection system of a kind of mobile terminal, one Kind mobile terminal and a kind of adapter.

Background technique

Currently, portable mobile termianl product (such as mobile phone, PAD, laptop etc.) has been deep into people's life Every aspect.Existing mobile terminal product mostly uses greatly the circuit system that rechargeable battery is interiors of products to power.Wherein, If there is short circuit phenomenon in the charging interface of mobile terminal, in charging, gently it will cause charging interface fever, it is heavy then can It burns out charging interface, charging cable or even burns charging adapter, response user uses.

However, the no short circuit of most of existing mobile terminals at present and micro-short circuit detection function, and mobile terminal uses Charging adapter be generally universal adapter, do not have the function of communicating with power receiving equipment (for example, mobile terminal).

In the related technology, it can be communicated with mobile phone applied to the fast charge charging adapter in smart phone.But fast charge The purpose of charger and mobile communication is, transmission verifies whether to support the fast charge information of certain agreement, and then adapter can be with Corresponding fast charge voltage and electric current are provided for mobile phone.

Utility model content

The utility model is intended to solve one of the technical problem in above-mentioned technology at least to a certain extent.

For this purpose, first purpose of the utility model is to propose a kind of charging detection system of mobile terminal, Ke Yijian Whether the charging interface for measuring mobile terminal has occurred short circuit or micro-short circuit, short-circuit or micro- short to solve to occur because of charging interface Road, and cause charging interface, charging cable even charging adapter the problem of being burned.

Second purpose of the utility model is to propose a kind of mobile terminal.

The third purpose of the utility model is to propose a kind of adapter.

In order to achieve the above objectives, the utility model first aspect proposes a kind of charging detection system of mobile terminal, packet Include mobile terminal and adapter, wherein the mobile terminal includes: input electric cur- rent measure device, the input electric cur- rent measure device inspection Survey the charging input current for being input to the mobile terminal；The charging is inputted electricity by the first communicator, first communicator Stream is sent to the adapter；The adapter includes: output current detector, and the output current detector is detected from described The charging of adapter output exports electric current；Second communicator, second communicator receive filling for the first communicator transmission Electric input current；Second controller, the second controller according to the charging input current and the charging output electric current it Between difference judge whether occur short circuit or micro-short circuit.

The charging detection system of mobile terminal according to the present utility model is examined by the input electric cur- rent measure device of mobile terminal The charging input current for being input to mobile terminal is surveyed, and exported by the detection of the output current detector of adapter from adapter Charging output electric current, and inputted by the charging of the first communicator transmission of the second communicator reception mobile terminal of adapter Electric current, so that the second controller of adapter judges whether to send out according to the difference between charging input current and charging output electric current Raw short circuit or micro-short circuit.Thus, it is possible to detect whether the charging interface of mobile terminal has occurred short circuit or micro-short circuit, to solve Certainly because short circuit or micro-short circuit occur for charging interface, and cause charging interface, charging cable even charging adapter the problem of being burned.

In addition, can also be had according to the charging detection system of the utility model mobile terminal set forth above following additional Technical characteristic:

Further, the mobile terminal further include: reminiscences；First controller, first controller are sent out in judgement It is reminded when raw short circuit or micro-short circuit by the reminiscences.

Specifically, the input electric cur- rent measure device and the output current detector are current sensor.

Further, the second controller includes: that difference obtains module, and the difference obtains module and obtains the charging Difference between input current and the charging output electric current；Comparison module, the comparison module is by the difference and default threshold Value is compared；Judgment module, the judgment module according to the comparison result of the comparison module judge whether occur short circuit or Micro-short circuit.

Further, the adapter further include: output current controller, the output current controller is described second Controller judgement occur short circuit or micro-short circuit, close the adapter electric current output or reduce the adapter electric current it is defeated Out.

In order to achieve the above objectives, the utility model second aspect proposes a kind of mobile terminal, comprising: input electric cur- rent measure Device, the input electric cur- rent measure device detection are input to the charging input current of the mobile terminal；First communicator, described first The charging input current is sent to the adapter by communicator so that the adapter according to the charging input current and Difference between charging output electric current judges whether that short circuit or micro-short circuit occurs.

Mobile terminal according to the present utility model, the charging for being input to mobile terminal by the detection of input electric cur- rent measure device are defeated Enter electric current, and charging input current is sent to by adapter by the first communicator, so that adapter is according to charging input current Difference between charging output electric current judges whether that short circuit or micro-short circuit occurs.Thus, it is possible to detect filling for mobile terminal Whether electrical interface has occurred short circuit or micro-short circuit, to solve that short circuit or micro-short circuit occurs because of charging interface, and causes charging The problem of mouth, charging cable or even charging adapter are burned.

In addition, can also have the following additional technical features: according to the utility model mobile terminal set forth above

Further, above-mentioned mobile terminal further include: reminiscences；First controller, first controller are sent out in judgement It is reminded when raw short circuit or micro-short circuit by the reminiscences.

Specifically, the input electric cur- rent measure device is current sensor.

In order to achieve the above objectives, the utility model second aspect proposes a kind of adapter, comprising: output electric current measure Device, the charging output electric current that the output current detector detection is exported from the adapter；Second communicator, described second is logical Believe that device receives the charging input current that mobile terminal is sent；Second controller, the second controller are inputted according to the charging Difference between electric current and the charging output electric current judges whether that short circuit or micro-short circuit occurs.

Adapter according to the present utility model exports electricity by the charging that output current detector detection is exported from adapter Stream, and the charging input current that mobile terminal is sent is received by the second communicator, so that second controller is inputted according to charging Difference between electric current and charging output electric current judges whether that short circuit or micro-short circuit occurs.Thus, it is possible to detect mobile terminal Charging interface short circuit or micro-short circuit whether has occurred, to solve that short circuit or micro-short circuit occurs because of charging interface, and cause to fill The problem of electrical interface, charging cable or even charging adapter are burned.

In addition, can also have the following additional technical features: according to the utility model adapter set forth above

Specifically, the output current detector is current sensor.

Further, the second controller includes: that difference obtains module, and the difference obtains module and obtains the charging Difference between input current and the charging output electric current；Comparison module, the comparison module is by the difference and default threshold Value is compared；Judgment module, the judgment module according to the comparison result of the comparison module judge whether occur short circuit or Micro-short circuit.

Further, above-mentioned adapter further include: output current controller, the output current controller is described second Controller judgement occur short circuit or micro-short circuit, close the adapter electric current output or reduce the adapter electric current it is defeated Out.

The advantages of the utility model additional aspect, will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will Become obvious and be readily appreciated that, wherein

Fig. 1 is the block diagram according to the charging detection system of the mobile terminal of the utility model one embodiment；

Fig. 2 is the structure chart according to the charging cable of the utility model embodiment；

Fig. 3 is the block diagram according to the charging detection system of the mobile terminal of the utility model another embodiment；

Fig. 4 is the block diagram according to the charging detection system of the mobile terminal of the utility model another embodiment；

Fig. 5 is the module frame chart according to the charging detection system of the mobile terminal of one specific embodiment of the utility model；

Fig. 6 is the stream according to the control method of the charging detection system of the mobile terminal of one specific example of the utility model Cheng Tu；

Fig. 7 is the block diagram according to the mobile terminal of the utility model one embodiment；

Fig. 8 is the block diagram according to the mobile terminal of the utility model another embodiment；

Fig. 9 is the block diagram according to the adapter of the utility model one embodiment；

Figure 10 is the block diagram according to the adapter of the utility model another embodiment；And

Figure 11 is the block diagram according to the adapter of the utility model another embodiment.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

With reference to the accompanying drawing come describe the charging detection system of mobile terminal of the utility model embodiment, mobile terminal and Adapter.

Fig. 1 is the block diagram according to the charging detection system of the mobile terminal of the utility model one embodiment.? In the embodiments of the present invention, mobile terminal may include mobile phone, tablet computer (PAD), laptop and palm PC etc..

As shown in Figure 1, the charging detection system of the mobile terminal of the utility model embodiment includes: 100 He of mobile terminal Adapter 200, wherein mobile terminal 100 may include input electric cur- rent measure device 110 and the first communicator 120, and adapter 200 can Including output current detector 210, the second communicator 220, second controller 230.

Wherein, input electric cur- rent measure device 110 is for detecting the charging input current for being input to mobile terminal 100.Wherein, defeated Entering current detector 110 can be current sensor.

First communicator 120 is used to charging input current being sent to adapter 200.

Output current detector 210 is used to detect the charging exported from adapter 200 and exports electric current.Wherein, electric current is exported Detector 210 can be current sensor.

Second communicator 220 is used to receive the charging input current of the first communicator 120 transmission.It should be noted that first Communicator 120 and the second communicator 220 can realize the communication between mobile terminal 100 and adapter 200.

In the embodiments of the present invention, mobile terminal 100 and adapter 200 can pass through the biography of charging cable progress electricity Defeated and information transmission (communication), the i.e. charging cable are the objects that charging current and adapter 200 and mobile terminal 100 communicate Access is managed, internal structure can be as shown in Figure 2.

It should be noted that the inside of charging cable described in the embodiment includes at least a power supply line, a radical According to line and a ground wire.When inside only has a data wire, the communication mode used is monobus communication；When using other When communication protocol, data line is also required to provide corresponding number according to relevant communication protocol；When using fast charge or other big electricity When current charge, the number of power and ground can also be increase accordingly.

Second controller 230 is used to judge whether to occur according to the difference between charging input current and charging output electric current Short circuit or micro-short circuit.

Further, as shown in figure 3, second controller 230 can include: difference obtains module 231,232 and of comparison module Judgment module 233.

Wherein, difference obtains the difference that module 231 is used to obtain charging input current between the output electric current that charges.

Comparison module 232 is for difference to be compared with preset threshold, wherein preset threshold can according to the actual situation into Rower is fixed, for example, preset threshold can be the higher leakage current value of charging interface degree of short circuit of mark mobile terminal.It should illustrate Be.The production firm that preset threshold described in the embodiment can be adapter 200 is preparatory before adapter 200 dispatches from the factory It is stored in its memory space.

Judgment module 233 is used to be judged whether according to the comparison result of comparison module 232 that short circuit or micro-short circuit to occur.

In addition, causing charging interface fever in order to avoid short circuit or micro-short circuit occurs due to charging interface or burning out charging Interface, charging cable, the generation for even burning the problems such as charging adapter.In the embodiments of the present invention, as shown in figure 4, Mobile terminal 100 further includes reminiscences 130 and the first controller 140, and adapter 200 may also include output current controller 240.

Wherein, the first controller 140 is used to be reminded when short circuit or micro-short circuit occur for judgement by reminiscences 130, Wherein, reminiscences 130 may include buzzer, warning light or speech player etc..

Current controller 240 is exported to be used to close adapter when second controller 230 judges to occur short circuit or micro-short circuit 200 electric current output or the electric current output for reducing adapter 200.

Specifically, as shown in figure 5, user can show the defeated of charging cable when needing to charge to mobile terminal 100 The charging/communication interface of the corresponding insertion mobile terminal 100 of outlet is (for example, USB (Universal Serial Bus, general serial Bus) interface) in, and by the charging/communication interface of the corresponding insertion adapter 200 of the input terminal of the charger, it then will adaptation The plug access power supply of device 200 for mobile terminal 100 to charge.

At this point, input electric cur- rent measure device 110 can real-time detection be input to the charging input current of mobile terminal 100, and will It is sent to the first communicator 120, and then the charging input current received is sent to by the first communicator 120 by charging cable Second communicator 220, the second communicator 220 send it to second controller 230 after receiving the charging input current.It is defeated Out current detector 210 can the charging output electric current that is exported from adapter 200 of real-time detection, and send it to second controller 230。

For second controller 230 after receiving charging input current and charging output electric current, difference obtains module 231 can root According to the charging input current and charging output electric current, the difference between charging input current and charging output electric current is calculated, and will It is sent to comparison module 232.Comparison module 232 can analyze the difference after receiving the difference, and by its with deposit The preset threshold stored up in the memory space of adapter 200 is compared to generate comparison result, and the judging result is sent out It send to judgment module 233.Judgment module 233 can determine whether mobile terminal after receiving the comparison result, according to the comparison result Whether 100 charging interface occurs short circuit or micro-short circuit.Wherein, when above-mentioned difference is greater than zero, and is less than preset threshold value, Judgment module 233 can determine whether that micro-short circuit has occurred in the charging interface of mobile terminal 100；When above-mentioned difference is greater than zero, and it is greater than When preset threshold value, judgment module 233 can determine whether that short circuit has occurred in the charging interface of mobile terminal 100；When above-mentioned difference etc. When zero, judgment module 233 can determine whether the charging interface no exceptions (for example, short circuit or micro-short circuit) of mobile terminal 100.

When judgment module 233 judges charging interface generation short circuit or the micro-short circuit of mobile terminal 100, produce corresponding Feedback information, and send it to output current controller 240.Wherein, output current controller 240 is receiving the feedback letter It when breath, can analyze it, when short circuit occurs for the charging interface of mobile terminal 100, the electric current for closing adapter 200 is defeated Out, and by the second communicator 220 corresponding prompt information is sent to mobile terminal 100；When the charging interface of mobile terminal 100 When micro-short circuit occurs, the electric current output of adapter 200 is reduced, and corresponding prompt information is sent extremely by the second communicator 220 Mobile terminal 100.First controller 140 of mobile terminal 100 can pass through reminiscences 130 after receiving above-mentioned prompt information User is reminded, to remind user to be repaired in time.

To more clearly understand those skilled in the art, the utility model, Fig. 6 are specific according to the utility model one The flow chart of the control method of the charging detection system of exemplary mobile terminal, as shown in fig. 6, the charging of the mobile terminal detects The flow chart of the control method of system, it may include following steps:

S101, adapter access power supply start as mobile terminal charging.

S102, adapter starts the size of detection output electric current while exporting electric current, when mobile terminal receives electric current When start detect input current size.

S103, adapter and mobile terminal establish communication linkage, and the input current value that mobile terminal will test is by being somebody's turn to do Communication linkage is sent to adapter.

S104, adapter calculate the difference of adapter output electric current and mobile terminal input current, and difference is Δ I.

S105, adapter judge whether difference DELTA I is greater than zero.If so, executing step S106；If not, executing step S110。

S106, adapter judge whether difference DELTA I is greater than preset threshold C.If so, executing step S107；If not, holding Row step S109.

S107, adapter closes output, and sends corresponding prompt information to mobile terminal.

S108, mobile terminal are repaired according to the prompt information of short circuit or micro-short circuit prompt user.

S109, adapter limits the output of (reduction) electric current, and sends corresponding prompt information to mobile terminal.

S110, mobile terminal charge normal.

For the utility model is better described, above-mentioned part steps are described in detail below:

In above-mentioned steps S106, when Δ I is greater than 0, and is greater than C, adapter can determine whether the charging interface hair of mobile terminal Raw short circuit；When Δ I is greater than 0, and is less than or equal to C, adapter can determine whether that micro-short circuit occurs for the charging interface of mobile terminal (that is, degree of short circuit is lower).

In above-mentioned steps S110, after mobile terminal charges normal, can after preset time return step S102, wherein it is pre- If the time can be demarcated according to the actual situation.

To sum up, according to the charging detection system of the mobile terminal of the utility model embodiment, pass through the input of mobile terminal Current detector, which detects, is input to the charging input current of mobile terminal, and by the detection of the output current detector of adapter from The charging of adapter output exports electric current, and the first communicator hair of mobile terminal is received by the second communicator of adapter The charging input current sent, so that the second controller of adapter is according to the difference between charging input current and charging output electric current Value judges whether that short circuit or micro-short circuit occurs.Thus, it is possible to detect the charging interface of mobile terminal whether have occurred short circuit or Micro-short circuit to solve that short circuit or micro-short circuit occurs because of charging interface, and causes charging interface, charging cable even charging adapter The problem of being burned.

Fig. 7 is the block diagram according to the mobile terminal of the utility model one embodiment.

As shown in fig. 7, the mobile terminal of the utility model embodiment includes: input electric cur- rent measure device 110 and the first communication Device 120.

Wherein, input electric cur- rent measure device 110 detects the charging input current for being input to mobile terminal.

Charging input current is sent to adapter by the first communicator 120 so that adapter according to charging input current and Difference between charging output electric current judges whether that short circuit or micro-short circuit occurs.

In one embodiment of the utility model, as shown in figure 8, above-mentioned mobile terminal further include: reminiscences 130 and One controller 140, the first controller 140 are reminded when short circuit or micro-short circuit occur for judgement by reminiscences.

In one embodiment of the utility model, input electric cur- rent measure device is current sensor.

It should be noted that undisclosed details in the mobile terminal of the utility model embodiment, it is practical new to please refer to this Details disclosed in the charging detection system of the mobile terminal of type embodiment, specific which is not described herein again.

To sum up, according to the mobile terminal of the utility model embodiment, movement is input to by the detection of input electric cur- rent measure device The charging input current of terminal, and charging input current is sent to by adapter by the first communicator so that adapter according to Difference between charging input current and charging output electric current judges whether that short circuit or micro-short circuit occurs.Thus, it is possible to detect Whether the charging interface of mobile terminal has occurred short circuit or micro-short circuit, to solve that short circuit or micro-short circuit occurs because of charging interface, And the problem of causing charging interface, charging cable or even charging adapter to be burned.

Fig. 9 is the block diagram according to the adapter of the utility model one embodiment.

As shown in figure 9, the adapter of the utility model embodiment includes: output current detector 210, the second communicator 220 and second controller 230.

Wherein, output current detector 210 detects the charging output electric current exported from adapter.

Second communicator 220 receives the charging input current that mobile terminal is sent.

Second controller 230 according to the difference between charging input current and charging output electric current judges whether that short circuit occurs Or micro-short circuit.

In one embodiment of the utility model, output current detector is current sensor.

In one embodiment of the utility model, as shown in Figure 10, second controller can include: difference obtains module 231, comparison module 232 and judgment module 233.

Wherein, difference obtains the difference that module 231 obtains charging input current between the output electric current that charges.

Difference is compared by comparison module 232 with preset threshold.

Judgment module 233 judges whether that short circuit or micro-short circuit occurs according to the comparison result of comparison module 232.

In one embodiment of the utility model, as shown in figure 11, above-mentioned adapter further include: output current controller 240, output current controller 240 judges that short circuit or micro-short circuit occurs in second controller 230, closes the electric current output of adapter Or reduce the electric current output of adapter.

It should be noted that undisclosed details in the adapter of the utility model embodiment, please refers to the utility model Details disclosed in the charging detection system of the mobile terminal of embodiment, specific which is not described herein again.

To sum up, it according to the adapter of the utility model embodiment, is exported by output current detector detection from adapter Charging export electric current, and by the second communicator receive mobile terminal send charging input current, so as to second controller According to the difference between charging input current and charging output electric current judge whether that short circuit or micro-short circuit occurs.Thus, it is possible to examine Whether the charging interface for measuring mobile terminal has occurred short circuit or micro-short circuit, short-circuit or micro- short to solve to occur because of charging interface Road, and cause charging interface, charging cable even charging adapter the problem of being burned.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Closing.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as the closing to the utility model, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (12)

1. a kind of charging detection system of mobile terminal, which is characterized in that including mobile terminal and adapter, wherein

The mobile terminal includes:

Input electric cur- rent measure device, the input electric cur- rent measure device detection are input to the charging input current of the mobile terminal；

The charging input current is sent to the adapter by the first communicator, first communicator；

The adapter includes:

Output current detector, the charging output electric current that the output current detector detection is exported from the adapter；

Second communicator, second communicator receive the charging input current that first communicator is sent；

Second controller, the second controller is according to the difference between the charging input current and the charging output electric current Judge whether that short circuit or micro-short circuit occurs.

2. the charging detection system of mobile terminal as described in claim 1, which is characterized in that the mobile terminal further include:

Reminiscences；

First controller, first controller are reminded when short circuit or micro-short circuit occur for judgement by the reminiscences.

3. the charging detection system of mobile terminal as described in claim 1, which is characterized in that the input electric cur- rent measure device and The output current detector is current sensor.

4. the charging detection system of mobile terminal as described in claim 1, which is characterized in that the second controller includes:

Difference obtains module, and the difference obtains module and obtains between the charging input current and charging output electric current Difference；

The difference is compared by comparison module, the comparison module with preset threshold；

Judgment module, the judgment module judge whether that short circuit or micro-short circuit occurs according to the comparison result of the comparison module.

5. the charging detection system of mobile terminal as described in claim 1, which is characterized in that the adapter further include:

Current controller is exported, the output current controller judges that short circuit or micro-short circuit occurs in the second controller, closes It closes the electric current output of the adapter or reduces the electric current output of the adapter.

6. a kind of mobile terminal characterized by comprising

Input electric cur- rent measure device, the input electric cur- rent measure device detection are input to the charging input current of the mobile terminal；

The charging input current is sent to adapter by the first communicator, first communicator, so that the adapter root According to the difference between the charging input current and charging output electric current judge whether that short circuit or micro-short circuit occurs.

7. mobile terminal as claimed in claim 6, which is characterized in that further include:

Reminiscences；

First controller, first controller are reminded when short circuit or micro-short circuit occur for judgement by the reminiscences.

8. mobile terminal as claimed in claim 6, which is characterized in that the input electric cur- rent measure device is current sensor.

9. a kind of adapter characterized by comprising

Output current detector, the charging output electric current that the output current detector detection is exported from the adapter；

Second communicator, second communicator receive the charging input current that mobile terminal is sent；

Second controller, the second controller is according to the difference between the charging input current and the charging output electric current Judge whether that short circuit or micro-short circuit occurs.

10. adapter as claimed in claim 9, which is characterized in that the output current detector is current sensor.

11. adapter as claimed in claim 9, which is characterized in that the second controller includes:

Difference obtains module, and the difference obtains module and obtains between the charging input current and charging output electric current Difference；

The difference is compared by comparison module, the comparison module with preset threshold；

Judgment module, the judgment module judge whether that short circuit or micro-short circuit occurs according to the comparison result of the comparison module.

12. adapter as claimed in claim 9, which is characterized in that further include:

Current controller is exported, the output current controller judges that short circuit or micro-short circuit occurs in the second controller, closes It closes the electric current output of the adapter or reduces the electric current output of the adapter.