CN100490553C - Mobile terminal standing detection method, circuit and apparatus thereof - Google Patents
Mobile terminal standing detection method, circuit and apparatus thereof Download PDFInfo
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- CN100490553C CN100490553C CNB2007100882793A CN200710088279A CN100490553C CN 100490553 C CN100490553 C CN 100490553C CN B2007100882793 A CNB2007100882793 A CN B2007100882793A CN 200710088279 A CN200710088279 A CN 200710088279A CN 100490553 C CN100490553 C CN 100490553C
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Abstract
The provided standby detection circuit for mobile terminal comprises: a current-voltage conversion unit to collect the current between terminal and power and converse into a first voltage, a proportional amplifier to receive the first voltage and proportional amplify into a second voltage, a comparison output unit to compare the second voltage with the reference and output the third voltage, and a response unit to receive the third voltage and output response result. This invention reduces detection device size, and enhances device mobility.
Description
Technical field
The present invention relates to the electroporation field, relate in particular to a kind of mobile terminal standing detection method, circuit and device thereof.
Background technology
Portable terminal in use, in some cases, because technical defective, tend to cause portable terminal when withdrawing from certain function application, mobile terminal software can not really be carried out and quit a program, make portable terminal be in improper holding state, at this moment, power consumption of mobile terminals can be bigger.
At present, mainly judge that by detecting mobile terminal power consumption portable terminal finishes whether to enter normal holding state when certain function is used, when for example the flip cover mobile phone withdraws from from different application items, close when withdrawing from behind the lid and bar phone when from different application items, withdrawing from mobile phone whether be in normal holding state.Be in the mobile phone of normal holding state, its power consumption approaches 0.
When the setting mobile phone is in holding state usually, the average current that consumes is less than 5 milliamperes, the device that detects mobile terminal power consumption at present is a programmable power supply, as shown in Figure 1, have ammeter on the programmable power supply 11, consumed current when reading mobile phone 10 holding states by the ammeter on the programmable power supply, and then judge whether mobile phone is in normal holding state, concrete test process is as follows:
The battery of mobile phone 10 is taken off, substitute battery of mobile phone with programmable power supply 11, state when need analogue mobile phone to withdraw from from the use of different application items this moment, read mobile phone mobile phone consumed current under different application project exit status by the ammeter on the programmable power supply, if consumed current is less than 5 milliamperes, think that then mobile phone is in normal holding state, if consumed current more than or equal to 5 milliamperes, thinks that then mobile phone is in improper holding state.
Adopt the device of programmable power supply as the detection of handset power consumption, characteristics such as because the volume of programmable power supply is big, needs use mains-supplied, and mobility inconvenience and test that need be very strong are professional, therefore, this test device for mobile phone heaviness, poor mobility, strongly professional, testing cost is high.
Summary of the invention
Embodiment of the invention technical problem to be solved is: a kind of mobile terminal standing detection method, circuit and device thereof are provided, make that the mobile terminal standby checkout gear volume of having used described mobile terminal standing detection method of the embodiment of the invention and testing circuit is little, with low cost, easy operating.
So the embodiment of the invention provides a kind of mobile terminal standby checkout gear, comprises testing circuit, described testing circuit comprises:
The current/voltage converting unit is used to gather the electric current between portable terminal and the supplying cell, and this electric current is converted to first voltage through resistance;
The ratio amplifying unit, first voltage of received current voltage conversion unit output, and described first voltage is carried out ratio amplify output second voltage;
Relatively output unit compares described second voltage and the reference voltage that presets, and the output tertiary voltage;
Response unit, receive the relatively described tertiary voltage of output unit output, and according to the response condition output response results that is provided with, judge whether described tertiary voltage indicates described second voltage to continue more than or equal to the described reference voltage that presets, if, determine that then described portable terminal is in non-holding state, if not, determine that then described portable terminal is in holding state.
The embodiment of the invention also provides a kind of testing circuit of mobile terminal standby checkout gear, comprising:
The current/voltage converting unit is used to gather the electric current between portable terminal and the supplying cell, and this electric current is converted to first voltage through resistance;
The ratio amplifying unit, first voltage of received current voltage conversion unit output, and described first voltage is carried out ratio amplify output second voltage;
Relatively output unit compares described second voltage and the reference voltage that presets, and the output tertiary voltage;
Response unit, receive the relatively described tertiary voltage of output unit output, and according to the response condition output response results that is provided with, judge whether described tertiary voltage indicates described second voltage to continue more than or equal to the described reference voltage that presets, if, determine that then described portable terminal is in non-holding state, if not, determine that then described portable terminal is in holding state.
The embodiment of the invention provides a kind of mobile terminal standing detection method, comprising:
Gather the electric current between supplying cell and the portable terminal, and be voltage this current conversion;
Ratio is amplified described voltage;
Voltage after the described ratio amplification is compared output voltage with the reference voltage that presets;
Judge whether the voltage of described output indicates the voltage after described ratio is amplified to continue more than or equal to the described reference voltage that presets, if, determine that then described portable terminal is in non-holding state, if not, determine that then described portable terminal is in holding state.
Described standby testing circuit of the embodiment of the invention and standing detection method, on the long-pending little circuit board of a block, just can realize, make and to have used that the described standby checkout gear of embodiment of the invention volume is little, mobility good, lower than the programmable power supply cost that uses in the prior art; Because the embodiment of the invention by the response condition output response results that response unit is provided with, has overcome and used programmable power supply to need the defective of professional operation in the prior art, it is simple that mobile terminal standby is detected again.
Description of drawings
Fig. 1 is a view of using program-controlled voltage detection of handset power consumption in the prior art;
Fig. 2 is an embodiment of the invention Mobile Phone Checkout Gear structural representation;
Fig. 3 is the schematic block circuit diagram of described testing circuit of Fig. 2 and the described testing circuit of the embodiment of the invention;
Fig. 4 is and the corresponding circuit theory diagrams of the described block diagram of Fig. 3;
Fig. 5 is an embodiment of the invention mobile phone detection method flow chart;
The connection layout that Fig. 6 uses for testing experiment.
Embodiment
Below, in conjunction with the accompanying drawings the embodiment of the invention is described in detail.
The realization principle of the embodiment of the invention is: by gathering consumed current on the supplying cell, and this electric current amplified, relatively, judge on the battery that whether consumed current surpasses threshold value, and then judge portable terminal, for example whether the power consumption of mobile phone is in the scope that presets.The portable terminal that the embodiment of the invention adopts is a mobile phone terminal.
As shown in Figure 2, Mobile Phone Checkout Gear 20, inside is provided with testing circuit 21 and battery 22, wherein, battery 22 is used for to testing circuit 21 and mobile phone power supply, and the embodiment of the invention also can not be provided with battery 22, and the mode that adopts external connection battery to power, present embodiment is that example is described with the Mobile Phone Checkout Gear 20 that includes battery 22;
As shown in Figure 3, check circuit plate 21 comprises:
Current/voltage converting unit 211 is used to gather the electric current of battery of mobile phone and mobile phone link, and is voltage with this current conversion;
Relatively output unit 213 compares output level with described ratio amplifying unit 212 voltage that amplifies and the reference voltage that presets;
Here,, can suppose if described voltage ratio reference voltage is big according to the concrete situation of display device in the circuit, output low level then, otherwise, the output high level; Also can suppose if described voltage ratio reference voltage is big, then export high level, otherwise, output low level.A kind of supposition mode before present embodiment is selected.
Use for making Mobile Phone Checkout Gear 20 be easier to the tester, on testing circuit 21, also be provided with driver element 214, be used to use the level of described relatively output unit 213 outputs to drive the display device that can show testing result, the display device of described demonstration testing result is light-emitting diode or jingle bell, makes testing result inform the tester by light-emitting diode or jingle bell;
The embodiment of the invention is an example with the light-emitting diode, describes;
Generally speaking, when mobile phone enters normal holding state, (mobile phone that has is set the battery consumption electric current less than 3 milliamperes to the electric current of battery consumption less than 5 milliamperes, present embodiment is being that example is described less than 5 milliamperes), like this, we just can set, when the cell phone standby electric current less than 5 MAHs, set light-emitting diode and ceaselessly glimmer, represent mobile phone to be in normal holding state; When the cell phone standby electric current more than or equal to 5 MAHs, set shinny that light-emitting diode keeps continuing, represent mobile phone to be in improper holding state; When mobile phone shutdown, LED light lamp is gone out;
The output voltage range of battery of mobile phone is 3.4 volts～4.2 volts, and therefore, the battery 22 in the Mobile Phone Checkout Gear 20 needs the analogue mobile phone battery to power to mobile phone, so the output voltage range of battery 22 is 3.4 volts～4.2 volts too.
The embodiment of the invention gives circuit theory diagrams, as shown in Figure 4, splicing ear J1 in the current/voltage converting unit 211 has 4 binding posts, terminal 2 and terminal 4 are connected the positive and negative level of battery 22 respectively, terminal 1 and terminal 3 are used to gather the electric current of battery of mobile phone and mobile phone link, the electric current that collects converts voltage to by resistance R 1, realize the conversion of electric current to voltage, the voltage output of current/voltage converting unit 211, through resistance R 2, R3, R4, R5 is connected to operational amplifier U1, operational amplifier U1 adopts the AD8552 model in the present embodiment, output voltage to current/voltage converting unit 211 amplifies, and compare with default reference voltage, comparative result is through the pin 7 of operational amplifier U1, pin 8 is exported to driver element 214, driver element 214 connects a LED by resistance R 6 and forms, pin 7, the high-low level of pin 8 outputs makes the light-emitting diode conducting through resistance R 6, relatively in the output unit 213, the pin 5 of operational amplifier U1, the output of pin 6 connects resistance R 7, R8, resistance R 7 and R8 form described reference voltage by dividing potential drop.
With concrete numerical value, present embodiment is described in detail below:
Choose resistance R 2=R5=120K Ω;
R3＝R4＝1KΩ；
R6＝1KΩ；
R7＝120KΩ；
R8＝2KΩ；
Diode LDE is chosen to be the diode that 5mA can conducting;
Because the output voltage V CC of battery 22 is 3.4V～4.2V; So, the voltage of operational amplifier U1 pin one is:
V
1out＝(R2/R3)×(V3-V4)＝(R2/R3)×I×R1
The voltage of operational amplifier U1 pin 5, promptly reference voltage is:
V
reg＝(V+)×R8/(R7+R8)
The voltage of operational amplifier U1 pin 8 is:
(V+)＝Vcc＝(3.4V～4.2V)
Work as V
1out＜V
RegThe time, the voltage of operational amplifier U1 pin 7 is:
V
2out＝V+
Work as V
1out〉=V
RegThe time, the voltage of operational amplifier U1 pin 7 is:
V
2out＝GND
So: work as V
2outDuring=V+, I=(R3 * V
1out)/R1 * R2 draws:
I<(4.67mA～5.75mA)
In like manner, work as V
2outDuring=GND, I 〉=(4.67mA～5.75mA);
Therefore, according to the setting of front, as the voltage V of ratio amplifying unit amplification
1outLess than reference voltage V
RegThe time, promptly during electric current I＜4.67mA～5.75mA, because the electric current excursion of mobile phone is bigger, this error can be ignored, therefore, and the setting of doing as the front, set and work as the cell phone standby electric current less than 5 MAHs, on behalf of mobile phone, light-emitting diode be in normal holding state for ceaselessly flicker;
Voltage V when the amplification of ratio amplifying unit
1outMore than or equal to reference voltage V
RegThe time, promptly when electric current I 〉=4.67 milliampere～5.75 MAHs, because the electric current excursion of mobile phone is bigger, this error can be ignored, therefore, as the setting that do the front, set and work as the cell phone standby electric current more than or equal to 5 MAHs, it is shinny for what keep continuing to set light-emitting diode, and the expression mobile phone is in improper holding state;
When mobile phone shutdown, electric current I=0, light-emitting diode is that lamp goes out;
As seen,, allow LED flash state difference, and then to differentiate mobile phone be to be in which kind of state, make the mobile telephone power consumption test become simple and clear, be easy to tester's operation by setting.
The embodiment of the invention also provides a kind of mobile phone detection method, and implementation step as shown in Figure 5.
Use this mobile phone detection method, make the mobile telephone power consumption test become simple and clear, be easy to tester's operation.
Below, be example with actual testing mobile phone, be described.
As shown in Figure 6, take false battery a 60 (false battery, be defined as a kind of analogue mobile phone battery profile, and the housing that can be interlocked with mobile phone, use when being used for mobile phone test, fixing mobile phone lead-out wire), be fastened on the mobile phone 10, false battery 60 has two lead-out wires, one end of this lead-out wire connects the battery of mobile phone of mobile phone 10 and the link place of mobile phone, the other end connects terminal 1 and terminal 3 places of binding post J1, and the battery 22 in the Mobile Phone Checkout Gear 20 is given mobile phone 10 and testing circuit 21 power supplies respectively, and wherein battery 22 gives testing circuit 21 power supplies by terminal 2 on the binding post J1 and terminal 4;
At this moment, just can judge whether mobile phone 10 has been in normal holding state by the indication of the light-emitting diode on the Mobile Phone Checkout Gear 20, specifically:
LED flash, then mobile phone is in normal holding state;
Light-emitting diode Chang Liang, then mobile phone is in improper holding state.
In the production of reality was used, Mobile Phone Checkout Gear 20 can be accomplished very little, and the battery of mobile phone size is generally arranged, and its production cost is not high yet, generally is no more than 50 yuan, and the programmable power supply of describing in the background technology of comparing differs hundred times.
As seen, Mobile Phone Checkout Gear 20 is by gathering consumed current on the battery of mobile phone, and this electric current is amplified, relatively, whether judges on the battery of mobile phone consumed current above threshold value, and then whether the power consumption of judging mobile phone is in the scope that presets.Mobile Phone Checkout Gear 20, because the testing circuit that uses can be on the long-pending little circuit board of a block, this just makes that described checkout gear volume is little, mobility good, and is lower than the programmable power supply cost that uses in the prior art; Because the present invention shows testing result by drive circuit driven for emitting lights diode or jingle bell, overcome the defective of using programmable power supply to need professional operation in the prior art again, it is simple to make that mobile phone detects.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1, a kind of mobile terminal standby checkout gear is characterized in that, comprises testing circuit, and described testing circuit comprises:
The current/voltage converting unit is used to gather the electric current between portable terminal and the supplying cell, and this electric current is converted to first voltage through resistance;
The ratio amplifying unit, first voltage of received current voltage conversion unit output, and described first voltage is carried out ratio amplify output second voltage;
Relatively output unit compares described second voltage and the reference voltage that presets, and the output tertiary voltage;
Response unit, receive the relatively described tertiary voltage of output unit output, and according to the response condition output response results that is provided with, judge whether described tertiary voltage indicates described second voltage to continue more than or equal to the described reference voltage that presets, if, determine that then described portable terminal is in non-holding state, if not, determine that then described portable terminal is in holding state.
2, device according to claim 1 is characterized in that, described ratio amplifying unit utilizes operational amplifier that first voltage is carried out the ratio amplification.
3, device according to claim 1 is characterized in that, described relatively output unit utilizes operational amplifier that described second voltage and the reference voltage that presets are compared, and the output tertiary voltage.
4, device according to claim 3 is characterized in that, when the second voltage ratio reference voltage is big, exports positive tertiary voltage, when the second voltage ratio reference voltage hour, and the tertiary voltage that output is negative.
5, device according to claim 3 is characterized in that, when the second voltage ratio reference voltage was big, the tertiary voltage that output is negative when the second voltage ratio reference voltage hour, was exported positive tertiary voltage.
6, device according to claim 1 is characterized in that, also comprises battery, is used for to described testing circuit power supply.
7, device according to claim 6 is characterized in that, described battery also is used for powering to portable terminal.
8, device according to claim 1 is characterized in that, the response condition of described setting comprises: make lumination of light emitting diode or the tinkle of bells jingle bell.
9, a kind of testing circuit of mobile terminal standby checkout gear is characterized in that, comprising:
The current/voltage converting unit is used to gather the electric current between portable terminal and the supplying cell, and this electric current is converted to first voltage through resistance;
The ratio amplifying unit, first voltage of received current voltage conversion unit output, and described first voltage is carried out ratio amplify output second voltage;
Relatively output unit compares described second voltage and the reference voltage that presets, and the output tertiary voltage;
Response unit, receive the relatively described tertiary voltage of output unit output, and according to the response condition output response results that is provided with, judge whether described tertiary voltage indicates described second voltage to continue more than or equal to the described reference voltage that presets, if, determine that then described portable terminal is in non-holding state, if not, determine that then described portable terminal is in holding state.
10, testing circuit according to claim 9 is characterized in that, described ratio amplifying unit utilizes operational amplifier that first voltage is carried out the ratio amplification.
11, testing circuit according to claim 9 is characterized in that, described relatively output unit utilizes operational amplifier that described second voltage and reference voltage are compared, and the output tertiary voltage.
12, testing circuit according to claim 11 is characterized in that, when the second voltage ratio reference voltage is big, exports positive tertiary voltage, when the second voltage ratio reference voltage hour, and the tertiary voltage that output is negative.
13, testing circuit according to claim 11 is characterized in that, when the second voltage ratio reference voltage was big, the tertiary voltage that output is negative when the second voltage ratio reference voltage hour, was exported positive tertiary voltage.
14, testing circuit according to claim 9 is characterized in that, the response condition of described setting comprises: make lumination of light emitting diode or the tinkle of bells jingle bell.
15, a kind of mobile terminal standing detection method is characterized in that, comprising:
Gather the electric current between supplying cell and the portable terminal, and be voltage this current conversion;
Ratio is amplified described voltage;
Voltage after the described ratio amplification is compared output voltage with the reference voltage that presets;
Judge whether the voltage of described output indicates the voltage after described ratio is amplified to continue more than or equal to the described reference voltage that presets, if, determine that then described portable terminal is in non-holding state, if not, determine that then described portable terminal is in holding state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100882793A CN100490553C (en) | 2007-03-22 | 2007-03-22 | Mobile terminal standing detection method, circuit and apparatus thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100882793A CN100490553C (en) | 2007-03-22 | 2007-03-22 | Mobile terminal standing detection method, circuit and apparatus thereof |
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| Publication Number | Publication Date |
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| CN101043683A CN101043683A (en) | 2007-09-26 |
| CN100490553C true CN100490553C (en) | 2009-05-20 |
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| CNB2007100882793A Active CN100490553C (en) | 2007-03-22 | 2007-03-22 | Mobile terminal standing detection method, circuit and apparatus thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399864B (en) * | 2007-09-29 | 2011-09-21 | 中兴通讯股份有限公司 | Test system and method for standby current of mobile terminal |
| CN101814757B (en) * | 2010-04-14 | 2012-03-07 | 青岛海信移动通信技术股份有限公司 | Method and system for supplying power to mobile terminal |
| CN103297587B (en) * | 2012-02-23 | 2015-07-08 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and method for detecting and processing stand-by power consumption abnormity |
| CN102759673A (en) * | 2012-06-19 | 2012-10-31 | 惠州Tcl移动通信有限公司 | Power consumption level monitoring method and system and mobile equipment |
| CN102944734B (en) * | 2012-11-21 | 2015-12-23 | 小米科技有限责任公司 | A kind of method of monitor terminal state, supervisory circuit and terminal |
| CN103323495B (en) * | 2013-06-28 | 2016-02-24 | 合肥凯邦电机有限公司 | Spooling equipment hinder line detector |
| CN108761187B (en) * | 2018-06-06 | 2021-06-25 | Oppo（重庆）智能科技有限公司 | Substrate current testing method and system and terminal equipment |
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