CN106771541A - Current test method and electronic equipment - Google Patents
Current test method and electronic equipment Download PDFInfo
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- CN106771541A CN106771541A CN201611234169.9A CN201611234169A CN106771541A CN 106771541 A CN106771541 A CN 106771541A CN 201611234169 A CN201611234169 A CN 201611234169A CN 106771541 A CN106771541 A CN 106771541A
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- electronic equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The present invention provides a kind of current test method and electronic equipment, wherein, current test method includes：The voltage in first resistor sample by A/D converter ADC and obtains first voltage, first resistor is serially connected on the loop between electronic equipment and the battery of electronic equipment, the ratio according to first voltage and first resistor is worth to the first electric current.Current test method and electronic equipment that the present invention is provided, the voltage of first resistor is sampled by the ADC of electronic equipment itself, and the first electric current is obtained by electronic equipment itself, and so as to other test equipments need not be set in testing current, the method for simplifying testing current.
Description
Technical field
The present invention relates to electronic technology, more particularly to a kind of current test method and electronic equipment.
Background technology
No matter electronic equipment is in the test before dispatching from the factory or the test after coming into operation, it is required for obtaining electronic equipment and runs
When electric current, by electric current to obtain power consumption and judge the working condition of electronic equipment.
In the prior art, in order to obtain electric current when electronic equipment runs, by outside dc source to electronic equipment
Power supply, and the electric current exported to electronic equipment by computer detection dc source, so as to obtain electric current when electronic equipment runs.
Using prior art, required instrument is more during the electric current of test electronic equipment, and the method for testing current is more multiple
It is miscellaneous.
The content of the invention
The present invention provides a kind of current test method and electronic equipment, the method for simplifying testing current.
The present invention provides a kind of current test method, including：By A/D converter ADC to the voltage in first resistor
Sample and obtain first voltage, the first resistor is serially connected in the loop between the battery of electronic equipment and the electronic equipment
On；
Ratio according to first voltage and first resistor is worth to the first electric current.
In an embodiment of the present invention, the ratio according to first voltage and first resistor is worth to after the first electric current,
Also include：
By first current storage in the internal register of the electronic equipment.
In an embodiment of the present invention, it is described by first current storage in the internal register of the electronic equipment
Afterwards, also include：
The electronic equipment obtains first electric current in the internal register, and first electric current is included
In the display device of the electronic equipment.
In an embodiment of the present invention, the electronic equipment obtains first electric current in the internal register, and
After first electric current is included in the display device of the electronic equipment, also include：
The electronic equipment obtains the current power dissipation of the electronic equipment according to first electric current.
In an embodiment of the present invention, the A/D converter ADC by electronic equipment is to the voltage in first resistor
Sample and obtain first voltage and include：
The ADC to the voltage in the first resistor sample obtaining first voltage at interval of the very first time.
In an embodiment of the present invention, it is described by first current storage in the internal register of the electronic equipment
Afterwards, also include：
Obtain first electric current obtained at interval of the very first time in the internal register.
In an embodiment of the present invention, it is described the voltage in first resistor to be carried out by A/D converter ADC sampling
Also include before to first voltage：
The sampling switch of the ADC is opened, makes the ADC start to sample the voltage in the first resistor.
The present invention provides a kind of electronic equipment, including：
A/D converter ADC, battery and first resistor；
The first resistor is serially connected on the loop between the electronic equipment and the battery；
The ADC is used to that the voltage in first resistor sample to obtain first voltage, so that the electronic equipment root
The first electric current is worth to according to the ratio of first voltage and first resistor.
In an embodiment of the present invention, also include：Internal register；
The internal register is used to store first electric current.
In an embodiment of the present invention, the ADC is additionally operable to enter the voltage of the first resistor at interval of the very first time
The first voltage that row sampling obtains at interval of the very first time so that the electronic equipment according at interval of the of the very first time
One voltage is worth to the first electric current at interval of the very first time with the ratio of the first resistor；
The internal register is additionally operable to storage first electric current at interval of the very first time.
The present invention provides a kind of current test method and electronic equipment, wherein, current test method includes：By analog
Converter ADC to the voltage in first resistor sample and obtains first voltage, and first resistor is serially connected in electronic equipment and electronics
On loop between the battery of equipment, the ratio according to first voltage and first resistor is worth to the first electric current.What the present invention was provided
Current test method and electronic equipment, are sampled by the ADC of electronic equipment itself to the voltage of first resistor, and by electronics
Equipment itself obtains the first electric current, so as to set other test equipments in testing current, simplifies testing current
Method.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of current test method embodiment one of the present invention；
Fig. 2 is the schematic flow sheet of current test method embodiment two of the present invention；
Fig. 3 is the schematic flow sheet of current test method embodiment three of the present invention；
Fig. 4 is the structural representation of electronic equipment embodiment one of the present invention；
Fig. 5 is the structural representation of electronic equipment embodiment two of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Term " first ", " second ", " the 3rd ", " in description and claims of this specification and above-mentioned accompanying drawing
Four " etc. (if present) is for distinguishing similar object, without for describing specific order or precedence.Should manage
Solution so data for using can be exchanged in the appropriate case, so that embodiments of the invention described herein for example can be removing
Order beyond those for illustrating herein or describing is implemented.Additionally, term " comprising " and " having " and theirs is any
Deformation, it is intended that covering is non-exclusive to be included, for example, containing process, method, system, the product of series of steps or unit
Product or equipment are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for this
A little processes, method, product or other intrinsic steps of equipment or unit.
Technical scheme is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and may be repeated no more in some embodiments for same or analogous concept or process.
Fig. 1 is the schematic flow sheet of current test method embodiment one of the present invention.As shown in figure 1, the execution of the present embodiment
Main body is electronic equipment, and electronic equipment includes：Mobile terminal, notebook computer or desktop computer etc..As shown in figure 1, this implementation
Example current test method includes：
S101：By A/D converter (Digital-to-Analog Converter, abbreviation ADC) in first resistor
Voltage sample obtaining first voltage.
Wherein, first resistor is serially connected on the loop between electronic equipment and the battery of electronic equipment.Specifically, ADC connects
Connect first resistor, and by the voltage in first resistor sample obtaining first voltage.Wherein, first resistor sets in electronics
On the standby loop and the battery of electronic equipment between, the battery of electronic equipment is used to provide electricity to the operation of electronic apparatus system
Amount.Include that both positive and negative polarity two-way constitutes current supply circuit when the battery of electronic equipment is to power electronic equipment, first resistor can be set
In any position of the current supply circuit.When the system operation of electronic equipment, the battery of electronic equipment passes through current supply circuit to electricity
The system of sub- equipment provides the electricity of operation.Then now, the electric current of the battery output of electronic equipment all can by current supply circuit, the
One ohmically electric current is electric current required during the system operation of electronic equipment.In order to obtain the system operation of electronic equipment
When required electric current, electronic equipment to the voltage in first resistor sample obtaining first by the ADC in electronic equipment
Voltage.
S102：Ratio according to first voltage and first resistor is worth to the first electric current.
Specifically, electronic equipment passes through formulaIt is calculated the first electric current.Wherein, R is the resistance of first resistor, U
Be the magnitude of voltage of first voltage obtained in S101, I is the first electric current, the first electric current for electronic equipment run when, battery passes through
The electricity that first resistor is provided to electronic equipment.
Wherein, the resistance of first resistor should be less than 10 milliohms, can make first resistor to the electricity of the battery of electronic equipment
Consumption is smaller compared with the result of calculation of the first electric current, can be ignored.
The current test method that the present embodiment is provided is adopted by the ADC of electronic equipment itself to the voltage of first resistor
Sample, and the first electric current is obtained by electronic equipment itself, it is less so as to take instrument in testing current, it is not necessary to which that other surveys are set
Examination equipment, the test of itself electric current is realized by electronic equipment, the method for simplifying testing current.And because scheme is simply straight
See, it is convenient, flexible, the operating efficiency of electronic equipment research staff's testing current can be effectively improved.
Fig. 2 is the schematic flow sheet of current test method embodiment two of the present invention.As shown in Fig. 2 the present embodiment electric current is surveyed
Method for testing on the basis of embodiment illustrated in fig. 1, including：
S201：The voltage in first resistor sample by analog/digital conversion ADC to obtain first voltage.
The same S101 of this step specific embodiment, its principle is identical with implementation, repeats no more.
S202：Ratio according to first voltage and first resistor is worth to the first electric current.
The same S102 of this step specific embodiment, its principle is identical with implementation, repeats no more.
S203：By the first current storage in the internal register of electronic equipment.
Specifically, be stored in the first current value in electronic equipment after S202 obtains the first electric current by electronic equipment
In portion's register.
S204：Electronic equipment obtains the first electric current in internal register, and the first electric current is included in electronic equipment
In display device.
Specifically, electronic equipment shows on the display apparatus the first electric current of the storage in internal register.Wherein, when
Electronic equipment is detected after store the first electric current in internal register, is immediately shown the first electric current of the storage in internal register
Show on the display apparatus.So as to realize electronic equipment in test, staff needs to obtain electronic device works electric current in real time
Demand.
S205：Electronic equipment obtains the current power dissipation of electronic equipment according to the first electric current.
Specific device, electronic equipment is after the first electric current is obtained, it is also possible to the electric current of the first electric current that will be got in real time
Value is integrated and is done averagely with the time, and so as to obtain current power dissipation, the unit of current power dissipation is mA/h.
Alternatively, also include after S205：Current power dissipation is included in the display device of electronic equipment.
Fig. 3 is the schematic flow sheet of current test method embodiment three of the present invention.As shown in figure 3, the present embodiment electric current is surveyed
Method for testing, including：
S301：ADC to the voltage in first resistor sample obtaining first voltage at interval of the very first time.
Wherein, the application scenarios of the present embodiment can be electronic equipment enter holding state and during not bright screen, by electronics
The step of equipment backstage performs the present embodiment.
Then now, electronic equipment is not by extraneous operation, and electronic equipment is electric to first by ADC every the very first time
Voltage in resistance sample obtaining first voltage.
S302：Ratio according to first voltage and first resistor is worth to the first electric current.
The same S102 of this step specific embodiment, its principle is identical with implementation, repeats no more.
S303：By the first current storage in the internal register of electronic equipment.
Specifically, be stored in the first current value in electronic equipment after S302 obtains the first electric current by electronic equipment
In portion's register.
Because S301 is that the voltage in first resistor is sampled every the very first time, and the first electricity is calculated by S302
Stream, then include the first electric current that electronics is obtained every the very first time in the internal register of the electronic equipment in S303.
S304：Obtain the first electric current obtained at interval of the very first time in internal register.
In this step, it is necessary to when obtaining test result, electronics sets after electronic equipment terminates holding state i.e. screen electricity
Standby the first electric current obtained at interval of the very first time obtained in internal register, i.e., in this stand-by time it is all of at interval of
The first electric current that the very first time obtains, stand-by time should be greater than the very first time.
Further, shown in above-mentioned Fig. 2 and Fig. 3, before S201 and S301, also include：The sampling switch of ADC is opened,
ADC is set to start to sample the voltage in first resistor.
Alternatively, after S205 and S304, also include：The sampling switch of ADC is closed, ADC is stopped in first resistor
Voltage sampled.
Fig. 4 is the structural representation of electronic equipment embodiment one of the present invention.As shown in figure 4, the present embodiment electronic equipment bag
Include：ADC41, battery 42 and first resistor 43.Wherein, first resistor 43 is serially connected in the loop between electronic equipment 4 and battery 42
On, ADC41 is used to that the voltage in first resistor 43 sample to obtain first voltage, so that electronic equipment 4 is according to the first electricity
Pressure is worth to the first electric current with the ratio of first resistor 43.
Specifically, electronic equipment 4 can be：Mobile terminal, notebook computer or desktop computer etc..The confession of battery 42 in figure
Electrical circuit is that, from the positive pole of battery to the negative pole of battery, battery 42 is power electronic equipment by the current supply circuit.Its connection is closed
It is to be, the positive pole and negative pole of battery 42 connect the system formation loop of electronic equipment respectively, are set with providing electronics to electronic equipment
Electric current during standby system operation, the current supply circuit of battery 42 is only schematic diagram in Fig. 4, wherein, the battery 42 of electronic equipment 4 to
Include that both positive and negative polarity two-way constitutes current supply circuit when electronic equipment 4 is powered, first resistor 43 can be arranged on appointing for the current supply circuit
One position.For example：First resistor 43 could be arranged to：The first end of first resistor 43 connects the positive pole of battery 42, and the second end connects
Welding system, first resistor 43 it can also be provided that：The first end of first resistor 43 connects the negative pole of battery 42, the second end connection system
System.When the system operation of electronic equipment, the battery 42 of electronic equipment provides fortune by current supply circuit to the system of electronic equipment
Capable electricity.Then now, the electric current of the output of battery 42 of electronic equipment all can be by current supply circuit, the electric current in first resistor 43
As the system operation of electronic equipment 4 when required electric current.Required electricity during for the system operation for obtaining electronic equipment
Stream, electronic equipment to the voltage in first resistor 43 sample obtaining first voltage by ADC41.
Then, electronic equipment 4 passes through formulaIt is calculated the first electric current.Wherein, R is the resistance of first resistor 43,
U is the magnitude of voltage of first voltage, and I is the first electric current, and when the first electric current is that electronic equipment 4 runs, battery 42 passes through first resistor
43 electricity provided to electronic equipment 4.
Fig. 5 is the structural representation of electronic equipment embodiment two of the present invention.As shown in figure 5, on the basis of above-described embodiment
On, electronic equipment 4 also includes：Internal register 44, internal register 44 is used to store the first electric current.
Specifically, after electronic equipment 4 obtains the first electric current, the first current value is stored in the internal register of electronic equipment
In 44.Alternatively, internal register 44 is connected with the system of electronic equipment, so that user passes through electronics when using electronic equipment
Application program in device systems obtains the first electric current in internal register 44.
Further, in the embodiment shown in fig. 5, ADC41 is additionally operable to the electricity to first resistor 43 at interval of the very first time
Pressure carries out the first voltage obtained at interval of the very first time of sampling, so that electronic equipment 4 is according to first at interval of the very first time
The ratio of voltage and first resistor 43 is worth to the first electric current at interval of the very first time.Internal register 44 is additionally operable to storage every
Every first electric current of the very first time.
Specifically, the application scenarios of the present embodiment can be electronic equipment 4 enter holding state and during not bright screen, by electricity
First electric current of the backstage active obtaining of sub- equipment 4 at interval of the very first time.Then now, electronic equipment is 4 by extraneous operation,
Every the very first time, the voltage in first resistor 43 sample by ADC41 obtains first voltage to electronic equipment 4, and root
The first electric current at interval of the very first time is worth to according to the ratio of the first voltage at interval of the very first time and first resistor 43.Then
Stored internal register 44 is put at interval of first electric current of the very first time.It is when electronic equipment 4 terminates holding state
, it is necessary to when obtaining test result after screen electricity, electronic equipment 4 can obtain in internal register 44 at interval of the very first time
All of the first electric current obtained at interval of the very first time in the first electric current for obtaining, i.e. this stand-by time, wherein, when standby
Between should be greater than the very first time.
The electronic equipment that the present embodiment is provided is sampled by ADC to the voltage of first resistor, and is obtained by electronic equipment
It is less so as to take instrument in testing current, it is not necessary to which that other test equipments are set, by electronic equipment reality to the first electric current
The test of existing itself electric current, the method for simplifying testing current.And due to scheme simple, intuitive, convenient, flexible, can effectively carry
The operating efficiency of electronic equipment research staff testing current high.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of current test method, it is characterised in that including：
The voltage in first resistor sample by A/D converter ADC and obtains first voltage, the first resistor concatenation
On loop between the battery of electronic equipment and the electronic equipment；
Ratio according to first voltage and first resistor is worth to the first electric current.
2. method according to claim 1, it is characterised in that the ratio according to first voltage and first resistor is worth to
After first electric current, also include：
By first current storage in the internal register of the electronic equipment.
3. method according to claim 2, it is characterised in that it is described by first current storage in the electronic equipment
Internal register in after, also include：
The electronic equipment obtains first electric current in the internal register, and first electric current is included described
In the display device of electronic equipment.
4. method according to claim 3, it is characterised in that the electronic equipment obtains the institute in the internal register
State the first electric current, and after first electric current is included in the display device of the electronic equipment, also include：
The electronic equipment obtains the current power dissipation of the electronic equipment according to first electric current.
5. method according to claim 2, it is characterised in that the A/D converter ADC by electronic equipment is to
One ohmically voltage sample and obtains first voltage and include：
The ADC to the voltage in the first resistor sample obtaining first voltage at interval of the very first time.
6. method according to claim 5, it is characterised in that it is described by first current storage in the electronic equipment
Internal register in after, also include：
Obtain first electric current obtained at interval of the very first time in the internal register.
7. the method according to claim 4 or 6, it is characterised in that it is described by A/D converter ADC to first resistor
On voltage sample before obtaining first voltage and also include：
The sampling switch of the ADC is opened, makes the ADC start to sample the voltage in the first resistor.
8. a kind of electronic equipment, it is characterised in that including：
A/D converter ADC, battery and first resistor；
The first resistor is serially connected on the loop between the electronic equipment and the battery；
The ADC is used to that the voltage in the first resistor sample to obtain first voltage, so that the electronic equipment root
According to the first voltage the first electric current is worth to the ratio of the first resistor.
9. electronic equipment according to claim 8, it is characterised in that also include：Internal register；
The internal register is used to store first electric current.
10. electronic equipment according to claim 9, it is characterised in that
The ADC is additionally operable to that the voltage of the first resistor sample obtaining at interval of the very first time at interval of the very first time
First voltage so that the electronic equipment according at interval of the very first time first voltage and the first resistor ratio
It is worth to the first electric current at interval of the very first time；
The internal register is additionally operable to storage first electric current at interval of the very first time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234169.9A CN106771541A (en) | 2016-12-28 | 2016-12-28 | Current test method and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234169.9A CN106771541A (en) | 2016-12-28 | 2016-12-28 | Current test method and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106771541A true CN106771541A (en) | 2017-05-31 |
Family
ID=58924472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611234169.9A Pending CN106771541A (en) | 2016-12-28 | 2016-12-28 | Current test method and electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN106771541A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286538A (en) * | 2019-06-28 | 2019-09-27 | Oppo广东移动通信有限公司 | Display methods, display device, head-mounted display apparatus and storage medium |
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| CN102645571A (en) * | 2012-04-19 | 2012-08-22 | 中兴通讯股份有限公司 | Detection circuit and electronic terminal |
| CN102929763A (en) * | 2012-09-28 | 2013-02-13 | 惠州Tcl移动通信有限公司 | Method and apparatus for monitoring software state through energy consumption of mobile phone |
| CN105635388A (en) * | 2016-01-05 | 2016-06-01 | 广东欧珀移动通信有限公司 | Method and equipment for testing current of intelligent terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01262483A (en) * | 1988-04-13 | 1989-10-19 | Nec Corp | Testing device for semiconductor integrated circuit |
| CN2783342Y (en) * | 2005-03-21 | 2006-05-24 | 苏州奔集动力有限公司 | Accumulator use state monitor |
| CN101995553A (en) * | 2009-08-12 | 2011-03-30 | 中兴通讯股份有限公司 | Electric quantity detecting circuit as well as processing device and method for detecting state of mobile phone in standby mode |
| CN102508020A (en) * | 2012-01-06 | 2012-06-20 | 成都林海电子有限责任公司 | Measuring method and measuring device for power consumption duration of battery pack of mobile terminal power supply |
| CN102645571A (en) * | 2012-04-19 | 2012-08-22 | 中兴通讯股份有限公司 | Detection circuit and electronic terminal |
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| CN110286538A (en) * | 2019-06-28 | 2019-09-27 | Oppo广东移动通信有限公司 | Display methods, display device, head-mounted display apparatus and storage medium |
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Effective date of registration: 20180626 Address after: 330008 room 319, office building, Jiao Qiao Town, Nanchang economic and Technological Development Zone, Qingshan Lake, Nanchang, Jiangxi Applicant after: Nanchang shark Technology Co. Ltd. Address before: 518063 south wing of 2 floor, building 1, Weixin Software Park, Nanshan District, Shenzhen, Guangdong. Applicant before: SHENZHEN ZEUSIS TECHNOLOGY CO., LTD. |
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Application publication date: 20170531 |